Pumping dirty water from a well. How to pump water from a well and whether it should be done

Immersion model design

• rod;
• gate;
• membrane;
• hydraulic;
• piston.

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Owners of private houses and summer cottages often have to deal with situations where it is impossible to do without a pump for pumping dirty water. This is drainage of flooded basements, pits, cleaning of wells, wells, etc. Once you buy such equipment, you can use it for a variety of purposes. How to choose the right pump for pumping dirty water from a well? Which brands can you trust? Which model will be the most practical acquisition?

Differences between pumps for clean and dirty water

For pumping dirty water, equipment with good protection against mechanical damage is used. These are powerful units that supply water, viscous liquids with impurities and solids.

Surface pumps are designed with a wide suction port, and submersible models are often equipped with special technical devices (“skirts”) so that the devices can be installed on solid foundations.

When choosing a specific model, you should always take into account the technical characteristics, design features. For example, a pump with a "skirt" is indispensable if the bottom hydraulic structure solid and there is no risk that the device will wash it out, go deep into the silt, and become clogged.

The working chambers of dirty water pumps are able to handle liquids that can quickly destroy even more powerful devices designed for solids-free water.

Range of pumps for clean and dirty water

Varieties of models of drainage equipment

Models differ in purpose. They are able to pass liquid with inclusions from a few millimeters to 5 centimeters. Depending on the performance, pumps for pumping dirty water from a well can pump up to several cubic meters of liquid per hour and raise it by 6-15 m.

One of the most important characteristics of pumps, in addition to technical capabilities, is the installation location. Distinguish between surface and submersible models. The former are mounted outside the working environment, while the latter are lowered into the liquid to be pumped. Models differ in design, have their own advantages and disadvantages.

Immersion model design

Scope of surface pumps

Surface pumps for pumping dirty water are suitable for shallow wells (up to 7 m). They are used for pumping dirt, silt, sewage. Such equipment can be used if the liquid contains solids up to 5, maximum - 10 mm.

The equipment is very easy to install and can be moved from place to place. Stationary installation is possible only if the device is located in a closed room, not exposed to moisture, frost.

Drainage models can be fitted with screens mounted on the suction pipe to allow particles up to a specified diameter to pass through. If the devices are designed for contaminants that can be crushed, then special knives can be located at the inlet.

To install a surface drainage pump for dirty water from a well, it is enough to find a flat area, drop the suction hose into the working fluid and turn it on. The device should not be left unattended.

Surface models have restrictions on the suction depth, the temperature of the working fluid. Their performance may be affected by ambient temperature. These are shortcomings, but they are fully offset by the advantages - ease of installation and operation.

Well cleaning with a surface pump

Features of the submersible models

There are submersible and semi-submersible models. The former are completely lowered into the working fluid, the latter float in it. The suction port of the semi-submersible device is located at the bottom of the structure. The liquid intake of submersible models can be carried out both from above and from below.

Submersible pumps for pumping mud from a well can operate at a greater depth than surface pumps. Their body is sealed, does not allow moisture to pass through. The devices are capable of pumping even very hot liquids, and the ambient temperature has little effect on their performance.

Models in which the inlet is located at the bottom can be equipped with special feet that prevent complete immersion in dirt and blockage of the unit. Such devices clean wells and tanks better than devices in which the inlet is above the motor. They are able to completely pump out the liquid and drain the well.

The advantage of the upper fence is a longer service life of the devices. They are less likely to be damaged by large solid particles. When draining the well, large stones and cobblestones remain at the bottom along with large quantity water that does not enter the intake pipe.

Devices work at depths up to 15 m. Their power and performance depend on the brand and model. The cost of devices is quite high. This is due to the complex design and increased requirements for the quality of materials.

Drain pump installation diagram

Pumps for very dirty water

For water with heterogeneous contaminants, in which hair, paper, soft inclusions can come across, it is better to choose a fecal pump. Such a model is suitable for a heavily silted well, where debris from the surface has fallen: leaves, branches, insects, small animals.

The devices are equipped with shredders - sharp knives that can cut plastic, fabric and other similar inclusions. They do not cope with stones and cobblestones. This must be taken into account when choosing.

Models designed for sewage can be used to clean wells or wells. If you do not violate the rules of operation, they will last much longer than conventional drainage pumps, because. originally designed to work in aggressive environments, high temperature of the working fluid and other adverse conditions.

Fecal pump with grinder

How can you pump dirty water manually

To clean a shallow well, you can buy a manual drainage pump. Such a device does not need to be connected to the mains, but it can only be used in cases where the volume of pumped liquid is relatively small. Performance depends solely on the efforts of the owner. Manually, you can pump up to 40 liters of water per minute.

By design, such devices are divided into several types:

• rod;
• gate;
• membrane;
• hydraulic;
• piston.

It is convenient to pump out dirty water using membrane models, since their valves themselves are cleaned in the process of pumping liquid. Piston devices with hydraulic action systems are often used. However, the final choice of the type of construction can only be made after a full analysis of the operating conditions.

What to look for when choosing

It is important to choose the right design. It must be consistent with the goals of the owner of the site. For cleaning shallow wells and wells, surface devices are suitable. If the structure is deeper than 7 m, it is better to choose a submersible device with a lower intake pipe.

For polluted water, which contains particles of large diameter, you need a drainage pump designed for inclusions of 25-38 mm. For those wells in which large stones rarely come across, but silt and debris accumulate, a fecal pump or drainage pump that passes particles up to 25 mm is suitable.

When calculating the power, the height of the lift, the viscosity of the liquid, and its approximate volume should be taken into account. The deeper the well, the more powerful the model will be needed. In order not to make a mistake, you should carefully study the technical documentation.

Video: expert recommendations

When choosing a drainage pump for dirty water from a well, pay attention to the reputation of the manufacturer. Experts recommend devices brand Karcher. It's quite expensive equipment, but if you can afford it, don't hesitate to make the right choice. If the water in the well does not contain too large particles, the Italian model Ergus Drenaggio 400F, German - AL-KO Drain 11001 will do. From the budget options, you can opt for "Dzhileks Drainage 110/6" or "Vortex DN-400".

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Some types of pumping units are sensitive to the presence of impurities in the water. What to do if it becomes necessary to transport a liquid with a slight degree of contamination, for example, to empty pools, irrigation tanks, etc. Drainage pumps for pumping water from a well and other similar operations are the best suited.

Drainage pumps for summer cottages are indispensable equipment. They can be used to drain tanks, remove liquid from a well before inspection or repair, and even in a watering system from tanks or a natural reservoir, if the liquid parameters meet the requirements that the operating instructions require.

The drain pump will come in handy:

• when the groundwater level rises,
• during the flood
• for draining basements and cellars,
• to eliminate the consequences of breakthroughs of highways,
• to clean up the area after heavy rainfall,
• for maintenance of artificial ponds and pools,
• for ,
• for organization drip irrigation over large areas.

Types of drainage pumps

All drainage pumps for pumping water from wells can be divided into categories according to various parameters. For example, according to the type of installation, surface and submersible models are distinguished.

Submersible drainage pump for a well is placed in the water column. It is placed there with a cable and fixed at a certain depth (usually 50-100 cm from the bottom).

The advantages of such structures are:

• small size and weight of models compared to surface models with equal operational capabilities,
• ability long time work properly without maintenance,
• a wide range of possibilities regarding the degree of contamination of the transported liquid (a drainage pump for cleaning a well can pump slightly and heavily contaminated water),
• good performance (up to 40 cubic meters per hour),
• simplicity and ease of use due to the presence of float protection and the ability to connect the unit to automatic systems.

Disadvantages of submersible models:

• low (in comparison with surface units) pressure, especially at a large source depth,
• the impossibility of filtering water in the process of pumping it.

Important: drainage submersible pumps for wells can be centrifugal or vibratory. The former are more productive, while the latter are less expensive.

If you are looking for a drainage pump for a well, you can understand how to choose the right unit only by studying the features of all types.

Usage surface models has its own nuances.

Their advantages include:

• good pressure, allowing long distances to be transported horizontally,
• longer (compared to submersible models) service life due to more comfortable operating conditions for equipment,
• lower price,
• Economical operation due to low power consumption.

Disadvantages of surface units:

• small suction depth - up to 8 m (surface pumps can only work in shallow wells),
• high noise level during operation.

Selection criteria and rules

Before choosing a unit, some measurements and calculations should be made.

• The depth of the well is most easily determined by a twine or cord with a load.
• With an ordinary tape measure, you can measure the diameter of the shaft or the length of its side, if your well has a square shaft.

These two values ​​will help you determine the total volume of water to be pumped out when cleaning the well with a drainage pump. In some cases, when carrying out calculations, a correction is made for the level of the water mirror, since the water does not completely fill the mine.

Water quality in this case it is permissible to determine visually, without conducting any research. Just enough estimate the amount of impurities and their linear dimensions. Permissible parameters are indicated in the instructions for the pump, and they must correspond to the quality of the water.

Working conditions is another important factor. For seasonal or periodic operation, portable models can be used, and stationary units are recommended to be freed from water and preserved for a long break in operation. The year-round use of a pumping surface unit imposes special requirements: in this case, the pump must be placed in a heated or thermally insulated room in order to avoid freezing of the system.

The most accurate selection of the model can be made if we take into account the nuances of the "behavior" of water in the well - the maximum and minimum levels, the average position, the debit of the source (the intensity of the liquid stay).

The main patterns of choice:

• For shallow sources or for collecting liquid from the upper part of the water column, it is recommended to choose surface models, for large depths of the mine, submersible modifications are preferred.
• Protection systems against overheating and against "dry running" will not only extend the life of the pumping unit, but also increase the safety of the system as a whole.

Calculation of pressure and performance

Head and performance are the main characteristics of drainage pumps. For the exact choice of the model, it is necessary to know the algorithm for calculating these parameters.

• Unit performance is the volume of pumped liquid per unit of time. The independently required performance is selected, taking into account the total volume of water in the source and the time during which this volume must be pumped out. The optimal duration of pumping without stopping is usually indicated in the accompanying documentation.
• Pressure characteristics are defined as the sum of the depth of water intake and the length of the horizontal movement of the liquid to the point of discharge, divided by 10.

Design nuances

When choosing a pump for cleaning a well, pay attention to the features of its design.

• The suction hole located at the bottom will ensure the most complete removal of liquid from the shaft.
• Cast iron cases are reliable, but they are heavy, light plastic cases are not strong enough, the steel case can be called the best option.
• The size of the working chamber determines the allowable size of the inclusions.
• The simpler the design of the pumping unit, the less often it will break down and the easier it will be to repair it.

Work technique

It is important not only to choose the right mud pump for cleaning wells, but also to install it without violations, and also to use it correctly.

Installation order

1. The suction pipe of the pump is connected to the pressure line.
2. If the pumping unit is installed permanently and is equipped with a float protection, it is advisable to install an additional non-return valve.
3. Before connecting the pump to a three-phase network, it is important to check the direction of rotation of the motor.

Checking the direction of rotation is carried out as follows: the pump installed on a flat surface is turned on and quickly turned off. Determine the direction of rotation of the shaft and draw conclusions:

• clockwise rotation indicates correct connection,
• if the shaft rotates in the opposite direction, the phases are reversed.

If the unit is already connected to the pipeline, the algorithm changes:

• turn on the pump and measure the operating parameters, head power.
• after switching off, the phases are reversed and the test is repeated.

The correct connection is the one in which the indicators are higher.

Well cleaning

The removal of contaminated water from the well using a submersible pump is carried out in a certain sequence.

1. The unit is installed in accordance with the instructions and turned on (the required distance from the bottom is maintained), and its outlet pipe supplies the pumped water back to the well.
2. With such a process, the intensive movement of fluid flows will contribute to the destruction of bottom silt deposits, which will then linger on the pump filter.
3. The time of continuous operation of the unit is determined by the capabilities of the models, however, in any case, once every few hours, the pump must be turned off and cleaned.
4. The cycles are repeated until the pumped water is clean and the pump filter is no longer dirty.

Nuances of use

To increase the efficiency of cleaning the well with a drainage pump, some nuances should also be taken into account.

• In case of severe contamination of the mine (the well has not been cleaned for a long time, a lot of deposits have formed), it is better to use fecal rather than drainage pumps.
• The required capacity of the drain pump depends on the frequency of cleaning. If you often prophylactically “pump” water, a small power is enough, if you prefer rare major cleanings, it is better to prefer a pumping unit with more power.

Many users prefer to clean the well with powerful pumps once every 1 or 2 years. It should only be taken into account that the flushing time under such conditions will be about one week. At the end of the work, the pump must be removed, drained of water and stored until the next use in a dry room.

This video will help you in choosing a drainage pump for cleaning a well or for other purposes.

Price

Below is the average price of drainage pumps for wells of popular models.

A drainage pump is a special equipment designed to pump and purify drinking water from a well. The device is designed to work with slightly contaminated liquid. Corresponding to all parameters, the drainage unit is indispensable in the arrangement of country houses and summer cottages located far from the central water supply.

Why do you need a well cleaning?

The water from the well has excellent purity and excellent palatability. However, in some cases, the well may become contaminated. The main causes of pollution include:

• prolonged seasonal rainfall;

• emergency situations;

• raising the level of groundwater;

• violation of the tightness of pipes;

• accumulation of organic compounds on the walls of the well.

Through drainage pump preventive cleaning is carried out in anticipation of spring floods in order to prevent post-flood pollution.

Scope of use of drainage pumps

Since the design of the pumping unit allows pumping out both clean and contaminated water with solid inclusions, the size of which does not exceed 5 cm, it is used:

• for drainage of pools and small reservoirs;

• for cleaning fire compartments and wells;

• as a source of water supply for decorative fountains;

• for irrigation and irrigation of household territory;

• for supplying water to the site and household.

If the pump has already been used for pumping contaminated water, it must not be connected to a system with drinking water.

Varieties of drainage pumps

Drainage pumps for wells are classified into two categories:

1. Submersible. They are vibrating and centrifugal. The submersible unit is installed at the bottom of a special container from which liquid will be pumped out. To prevent the device from breaking, it must be completely lowered into the water during operation.

1. Surface. It's universal drainage pumps for pumping water from a well. They can be used for any purpose. The principle of operation of the installation is based on the immersion of the working hose in water. As a rule, the surface type of equipment is chosen for a mobile installation system.

Advantages and disadvantages of submersible pumps

In addition to its compact size, a submersible drainage pump has many advantages:

• light weight;

• the ability to use the device in automatic mode;

• pumping out dirty and clean water;

• high level of performance;

• long service life;

• drying protection.

The disadvantages of the drainage device include a weak water pressure, which rises to 10 meters. It is not uncommon for dirt inclusions in liquids to cause clogging of the pumping system. Therefore, it is better not to use submersible pumps for water supply.

Advantages and disadvantages of surface type pumps

Drainage pumps that operate by immersing a hose also have their advantages and disadvantages. These include:

• affordable cost;

• the possibility of continuous operation;

• strong water pressure equal to several tens of meters;

• reliability of plumbing equipment;

• Possibility of indoor installation.

Of the shortcomings, it is worth highlighting the noise that the unit emits during operation. Due to insufficient suction lift, the surface pump cannot be used for cleaning well wells with a depth exceeding 9 meters. In addition, working with the suction element requires certain operating skills.

How not to make a mistake with the choice of a drainage pump?

In order for the equipment to function smoothly for more than a dozen years, you need to know how to choose a drainage pump for a well. The focus is on the following parameters:

• device power;

• dimensions;

• the presence of protective filters;

• performance level;

• the maximum height to which the liquid rises.

Equally important is the design of the well from which water is to be pumped. One of the determining factors is filling the well with drinking water for a set period of time. The performance of drainage equipment may vary, depending on technological process cleaning the well and the mode in which the system will operate.

Choosing a certain modification, seasonality must be taken into account, since some pump models are not designed to pump water during the cold period.

As for the degree of contamination of water from the well, this parameter is determined by the owner himself. For clean liquid and shallow source, it is better to choose a low-power surface-type unit with minimum set filter elements. Pumping contaminated water requires a more powerful drainage system with special mesh filters and a robust housing. It must be made of cast iron, of stainless steel or plastic. These materials are resistant to caustic and dirty environments.

To extend the service life and performance of the unit, it is advisable to choose models with a protection system against dry (idle) running and severe overheating.

Before purchasing a pump, it is necessary to measure and calculate the depth of the well with the diameter of the well. These indicators will allow you to easily calculate the volume of water that will help pump out well drain pump. How to choose the best option and not make a mistake with the purchase? The main thing is to take into account the pressure characteristics of the device and the degree of its performance.

The pressure level is easy to calculate if the sum of the depth of the well and the length of the horizontal movement of water before the discharge is divided by 10. The performance is selected taking into account the total volume of liquid and the time for which it is pumped out. The pumping duration is usually specified in the documentation for the equipment.

Features of installing a drainage unit

The service life and safety of using a drainage pump depends on proper installation. After purchasing the device, it is necessary to study the attached instructions in detail, check for restrictions and make sure that it complies with the specified configuration.

Installing a drainage system requires a phased approach:

1. Using fittings, the hose is connected to the pressure pipe.

1. If a float switch is included in the package, then you need to put a check valve on the hose.

1. Checking a three-phase motor, during which the unit must be installed on a flat plane, turned on and off. If the shaft moves clockwise - the device functions as it should, counterclockwise - the phases should be reversed.

1. To make sure that the device rotates correctly and is connected to the pipeline system, it is necessary to de-energize the device and measure the flow. Then, when the power is off, the phases are reversed and the flow is measured again. Further, the obtained values ​​of the feed power are correlated and the correct option is selected.

1. The drainage device is positioned so that the pipe takes a vertical position. After that, the pump is immersed in water, at the bottom of the well.

How to clean a well with a pumping unit

Removal of dirt and foreign matter from the well should be carried out in the prescribed sequence:

1. The device is installed in strict accordance with the attached instructions. As soon as the device is connected to electricity, the outlet pipe will begin to supply the purified liquid to the well. In this case, the pump should not reach the bottom of the well. The movement of water contributes to the splitting of silt accumulations on the walls of the mine. All deposits will be collected on the drain pump filter.

1. To prevent damage to the unit, every few hours it is turned off and carefully cleaned of dirt.

1. Cleaning is carried out until the pumped liquid becomes clean. The degree of purification is determined by system filters.

For periodic water purification, the pump is left in the well. In this case, the filters will have to be cleaned of mud deposits at least once every six months.

For a well that has not been cleaned of dirt for a long time, it is advisable to choose a drainage-fecal pump. Its crushing wheel will crush all large and hard inclusions.

Drainage pump for a well with a float (switch) will facilitate the procedure for water purification. As soon as the unit reaches the bottom, it will automatically turn off. If there is no float, the operation of the pump will have to be controlled independently.

It should be taken into account that low power pump will not cope with a large amount of deposits, sand and dirt. To prevent clay from getting into the ground near the well, the hose must be taken as far as possible from the site. If sand appears after cleaning is completed, you will have to close up all the cracks through which small grains of sand seep through. It will also be necessary to repair the well, and perform re-cleaning.

Finally

When buying a drainage pump, you need to focus not only on its technical characteristics, but also on maintainability. It is advisable to clarify what spare parts are available for free sale, find out their cost, the nearest service center servicing a particular brand of equipment. As for the cost of the device, it depends on a number of factors. Models from well-known companies are usually more reliable and have long term operation.

Happy owners of country plots on own experience know that solving the problem of pumping dirty water is quite problematic without the use of a garden pump. This device, which is necessary in the household, will help to empty the decorative reservoir in the garden in no time, and, if necessary, to pump out the basement flooded with flood waters.

What types of equipment does modern market and how to choose a pump for dirty water, we will consider in the article.

The main purpose of pumps designed for pumping out is to drain storage tanks and remove accumulated moisture during floods. And in case of emergencies and empty the flooded basements and cellars.

Modern models of pumps for pumping dirty water can be used to solve many problems:

• clean the well shaft from silt and sand deposits;
• remove "flowered" water from an open reservoir in the garden;
• apply in the arrangement of the drainage system.

Unlike downhole devices such pumps are capable of passing fibres, solids and small stones. Thanks to this, they are indispensable universal assistants in the performance of economic tasks.

With the help of these devices it is very convenient to water the garden beds on the site by throwing the suction hose into a nearby reservoir

The design of any garden pump for dirty water has a similar package. The device consists of a metal or plastic case, inside which an electric motor and a pump unit are placed.

When the motor is turned on, a vacuum is created inside the case. Under the influence low pressure the liquid is sucked into the chamber, passing through which it moves to the outlet hose and is pushed out with force.

The operation of any pump is based on the principle of water retraction: liquid seeps through the inlet and, after passing through the chamber, is ejected into the outlet

Depending on the method of creating a vacuum inside the chamber of the device, the pumps are divided into three groups:

1. Centrifugal- work due to the fact that under the action of rotation of the blades of the wheels and the working part, the liquid is drawn into the body. Under pressure centrifugal force it is pressed against the wall and then pushed out into the outlet.
2. Vibrating– based on the effect created by the coil electromagnetic field. The metal core, equipped with a flexible diaphragm, being drawn into the coil, creates a low pressure, under the action of which fluid is sucked into the hydraulic chamber. When the curved diaphragm returns to its original position, the pressure inside the chamber increases, and the water is pushed out into the outlet.
3. Vortex- work by rotating a metal disk with blades, referred to as a vortex wheel. Under its action, the water is twisted into a vortex spiral, creating a powerful pressure at the outlet.

For pumping contaminated liquid at the household level, site owners mainly choose vibration and centrifugal type devices.

Garden pumps for dirty water are able to pass liquid through themselves, without harm to mechanisms and assemblies, particles of dirt "caliber" up to 5 mm

Vortex-type models are extremely rarely used in pumping water with impurities and inclusions, since they are very sensitive to suspended particles in water. We also recommend that you familiarize yourself with our other material, in which we described in detail drainage pumps and posted tips on choosing them.

Varieties of pumps for dirty water

Depending on the method of water intake and the location of the unit body relative to the tank, garden pumps for dirty water are divided into two types: surface and submersible.

Surface Models

This the lineup aggregates is a system that is not immersed in water. They are placed near a reservoir, and the water is taken by immersing a strain-resistant suction hose or pipe.

Surface-mounted units are designed more to work with slightly contaminated water; most models can pass particles whose diameter does not exceed 10 mm

The body of surface type pumps can be made of plastic or metal. Units with a plastic case work quietly, and are inexpensive. But plastic is a rather fragile material that can withstand only minor mechanical loads.

Pumps with metal case, although they buzz quite loudly during the pumping process, they are not so afraid of blows. That is why they are famous for their longer service life. To slightly reduce the level of "growling" that occurs during the vibration process when pumping water, the masters recommend placing the body of the device on a special platform equipped with a rubberized mat.

When installing the unit in non-hermetically closed pits, it is recommended to cover the bottom of the substrate with crushed stone or gravel. Bulk materials will simultaneously perform two functions: reduce the vibration of the case and absorb excess moisture.

Among the main advantages of surface aggregates, it is worth highlighting:

• Ease of operation. Due to their compact dimensions and low weight, it is convenient to move them around the territory, installing them in the right place. In case of bad weather, it can always be removed indoors.
• Versatility of application. To start the device, it is enough to install it on a flat area, place the end of the suction hose in a filled tank, and at the final stage, connect it to the mains.
• Democratic price. A wide price range of surface-mounted pumps for sale allows you to choose a model that will satisfy the wishes and financial capabilities of any consumer.

The only "minus" of surface aggregates is the limited depth. Most models can work without overloads only at a depth of five to seven meters.

Image gallery

Single-phase low-power devices are more suitable for occasional use. With frequent use, there is a high probability of their rapid incapacitation. Because in winter period when pumping water using surface pumps, there is a high risk of freezing of the system, it is better to transfer them to this time of year enclosed spaces or wrap up.

When pumping dirty water, the surface pump can be installed on adjoining territory, and only stretch the hose outside the site

Submersible devices

Submersible models differ in that the water intake in these devices is carried out directly through the pump without using hoses. The units are completely immersed in water and lowered to the bottom of the water intake.

Devices submersible type used when it is necessary to pump out dirty water from a depth reaching a mark of 8 meters or more

Submersible models are characterized by relatively silent operation. During the operation of the device, you only need to monitor the water level so that it does not fall below the critical one, and the pump does not suck in air, that is, it does not work “dry”. To avoid this, preference should be given to models equipped with.

When working at great depths, installation in the ejector housing helps to ensure suction stability. Thanks to this, the device will function normally even if there are air jams in the system.

The indisputable advantage of submersible pumps is all-weather capability - the equipment is able to work all year round until the water surface is covered with ice.

Submersible pumps are famous for their good resistance to temperature extremes and the effects of aggressive agents, which is especially valuable when they are used to equip drainage systems. After all, dirty water can be saturated in various ways. chemical compounds, as well as numerous alkaline and salt impurities.

Powerful three-phase devices are capable of pumping contaminated water, in which the diameter of solid particles reaches 50 mm. Such units are equipped with mesh filters with wide chambers. Through them, polluted water, along with debris and fibers, is freely pumped without clogging the system.

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Criteria for a competent choice

When choosing a suitable model for domestic needs, you should focus primarily on what functions it is designed to perform, what characteristics it has.

Scope of the unit

When planning to use the unit only for garden beds from a nearby reservoir or for draining a flooded cellar, you can get by with a device with a capacity of 120 l / min.

You intend to use the pump when arranging the drainage system - give preference when choosing more powerful units

The size of solid elements that the unit is able to "digest" is indicated in the instructions for a particular model. On sale you can find models designed only for slightly polluted water, in the structure of which only a small amount of sand may be present. A wide range also includes units that successfully cope even with small stones.

Units for pumping highly contaminated liquids are equipped with grinders capable of grinding solids into small fractions

In addition, units of this type are made from materials with increased strength, and are not afraid of exposure to an aggressive environment. Therefore, they have a longer service life than conventional garden pumps for dirty water.

performance and pressure

Purchasing a pump for dirty water, Special attention pay attention to its technical characteristics:

• Performance- the amount of liquid pumped per minute.
• pressure- the ability to push water to a certain height.

When calculating the required power of the device, it should be taken into account that the ratio of the length vertically and horizontally will be 1:4. This means that one meter of vertical pipeline will correspond to four meters of horizontal.

Taking into account this ratio, it will not be difficult to calculate the maximum suction depth of the pump for specific conditions.

If you have any doubts when performing calculations for choosing a device, additionally consult a specialist.

Suction valve location

Suction holes can be located in the bottom of the device or its upper part above the engine compartment. Devices whose suction valves are located in the bottom of the housing demonstrate much greater efficiency. They are able to pump water out of the tank almost without residue.

When installing such a device at the bottom of a polluted pool or natural reservoir, you should be prepared for the fact that at the time of pumping out, in addition to water, it will also “grab” settled silt deposits

For drainage of reservoirs and filled tanks, it is worth choosing units whose suction valves are located on the body in the upper part. "Upper" pumps are more durable due to the fact that the placement of the suction pipe above the engine compartment minimizes the risk of damage to the working chamber when large particles enter.

When working with pumps whose suction holes are located in the bottom of the device, experienced owners recommend placing the units on special stands.

Float automatic shutdown

Automation, although it increases the cost of equipment, but it allows you to prevent overheating of the motor.

The float is a device in the form of a plastic floating box. Inside it is placed electrical cable and steel ball. It reacts to changes in the water level and closes/opens the switch contacts.

The presence of such a float automates the process and protects the internal mechanisms of the device from overheating when running "dry"

The main advantage of the device is that it simultaneously performs two functions: it acts as a water level sensor and serves as an actuator for controlling the pump.

Having spent a little more money on a device equipped with an automation system, you can not worry that after pumping out the water it will work “dry”. The only thing is that it is recommended to wash the float switch every few months with a jet of water under pressure from contamination. Preventive cleaning This will prevent the float from sticking to the outlet pipe.

Comparative review of the best manufacturers

The company is considered to be the market leader Grundfos». The Danish company is the oldest manufacturer of pumping equipment. The developments introduced by the technologists of the leading company were subsequently adopted by other manufacturers.

The equipment of this manufacturer is famous for its ability to easily cope without harm to itself with water of any degree of contamination, as well as high reliability.

The range of manufactured products is represented by pumps of all varieties and types. And all of them are united by one thing - the highest quality, confirmed by an effective manufacturer's warranty.

Another imported brand that has earned a positive reputation among buyers from different parts of the world is the brand Pedpollo.

The Italian company over 40 years of activity has grown into a powerful "heavyweight" in the market of pumping equipment, becoming a worthy competitor to the world's leading manufacturer

"Pedrollo pumps work everywhere" - the main slogan worldwide famous brand. And if you study the characteristics of the equipment it produces, then it is worth highlighting the versatility of its application. Pumps are capable of operating in contaminated water, aggressive environments and at high temperatures.

Among the pumping equipment domestic production The most well-proven products manufactured under the following trademarks:

• "Jileks"- pumping equipment of a domestic manufacturer is focused on the conditions of the Russian hinterland with its abundance of "difficult" soils and wetlands, as well as possible power outages.
• "Vortex"- pumps of this manufacturer are famous for their high power and low noise. The certified equipment produced by the company undergoes numerous performance and endurance tests.
• "Foreman"– powerful and unpretentious in service pumps of this trade mark are made on the basis of advanced technologies. This allows the company to keep the quality bar at a high level.

Among trademarks pumps for dirty water well-proven brands DAB, Karcher and "Belamos". The equipment manufactured under these brands is famous for its optimal price-quality ratio.

When purchasing the right model, you have to prioritize: pay more and choose an unquestioned European brand, or purchase an inexpensive domestic product, but at the risk of receiving low-quality warranty support.

In order not to doubt your choice, we suggest that you familiarize yourself with.

Conclusions and useful video on the topic

What is the difference between dirty water pump and drainage equipment:

If there is no electricity in your area, the only solution to the problem is to purchase a manual pump pump. The pumping of liquid through such units is carried out due to the movement of the piston, which increases the pressure in one chamber and lowers it in the other.

The price of products fluctuates within 150 USD. But, as in the choice of similar electrical models, key attention should be paid to what size solids they are designed for.

Looking for a dirty water pump? Or you already have experience in using such equipment and you can give useful advice to our readers? Please write comments in the block below.

Owners of private houses often have to solve the problem of pumping dirty water on their own. For example, in the spring, when the flood floods the basements, few people call the utilities, because the cost of pumping out is not cheap. But you can’t apply it with buckets either, because in the first days the water arrives faster than it is scooped out. The only rescue option is pumps for dirty water, which are able to pump out not only the basement, but also water in their own pond, pool. They can even water the garden by throwing a hose into a nearby river. Well or borehole units are not suitable for these purposes, because they work only with clean water. Therefore, it is necessary to stock up in advance with pumps designed specifically for pumping dirty liquids.

Units that pump clean water are not designed for the ingress of solid particles. From this, the system becomes clogged and quickly becomes unusable. In pumps for pumping dirty liquids, this moment is taken into account, and solid particles ranging in size from 2 to 5 cm easily pass through the system, being thrown out with water into the hoses. These pumps are called drainage pumps.

The instructions for a specific model indicate what size of solid particles they are designed for. So, there are pumps that pump out only slightly polluted water containing a small amount of sand. There are those who successfully cope with small pebbles. A separate type of units was created for pumping water with feces and long fibers, such as hair, threads, etc. Although they are classified as drainage systems, they are distinguished into a special group - fecal.

All garden pumps for dirty water are divided into 2 groups depending on the method of water intake: surface and submersible.

Features of working with a surface unit

The surface pump for pumping out dirty water is designed for slightly contaminated liquids with solid particles no more than 1 cm. It is placed near the intake site on some solid platform, lowering only the sleeve (inlet pipe) to the bottom of the reservoir or flooded room. These units are characterized by low power, so it is profitable to buy them for periodic use. For example, pump out water from the basement a couple of times a season or water the garden once a week. Daily use quickly disables systems.

Surface pumps in plastic cases are much quieter than metal ones, but they are afraid of falls and last a shorter time.

Of the advantages, it is worth noting the ease of installation and operation. These systems can be installed almost anywhere where there is a power supply nearby. But keep in mind that surface pumps are not designed for great depths. The optimal depth at which they are able to work without overloads is about 5 meters. Models in plastic cases are cheaper, but inferior in reliability to metal systems. True, the latter buzz more strongly during operation.

A slight inconvenience of surface pumps is that they are placed on the street, and if you have to pump out water when sub-zero temperatures, i.e. the risk of freezing of the device. To avoid this, they try to install pumps in nearby buildings - a garage, a barn, etc.

When used in winter, surface pumps should be covered or hidden indoors to avoid freezing of the system.

Submersible pumps: we select by power

Submersible pumps operate on a different principle than surface pumps. They are completely lowered to the bottom of the water intake source. These units are capable of pumping heavily polluted waters containing a large number of large particles (up to 5 cm). Due to the wide working chamber of the mechanism, all debris passes freely along with the water to the outside, without causing clogging of the unit.

The suction hole located at the bottom of the drainage pump allows you to pump out water from the basement almost completely, because the device is placed directly on the bottom

Submersible pumps for dirty water are divided into domestic and industrial. Naturally, for country needs, industrial options should not be taken. They have high capacities and productivity, which will not be in demand within one section. But the energy consumption is much higher than in household systems.

When choosing this type of pump, pay attention to the following:

• The location of the suction hole.

If it is located at the bottom of the pump, then you can almost completely pump out the water from the basement. But in reservoirs, the unit is not immersed to the very bottom, otherwise it will capture a large amount of silt. Therefore, the pump is placed on a special stand or models are found where the suction hole is located at the top of the system.

• The presence of a float for automatic shutdown

Automation increases the cost of the pump, but it is needed in order to prevent the motor from overheating if the unit pumps out all the water and starts running dry. Thus, the owners do not have to stand near a running pump until it pumps out the room completely. The float itself will react to the changed water level and will give the command to the motor to turn off.

• Scope of use of the pump

It is important to decide in advance what you plan to do with this pump. If you only water the garden and drain the flooded premises, then a model that pumps out about 120 liters per minute is enough. But if you plan to use the unit in the drainage system, then you will need a more powerful model.

Fecal pumps: for especially polluted water

If you need a universal water pump that can be used for both dirty water and domestic wastewater, with feces, paper, hair and other miscellaneous debris, then you should look among fecal models. They work on the same principle as submersible systems, but have a very important adaptation. This is a grinder that crushes all solid particles into small fractions and only then passes them into the mechanism. You can safely lower the system to the bottom of a muddy pond, from where not only water will flow into your garden, but also fertilizer in the form of silt and crushed water bugs.

Fecal pumps are made of high-strength materials that are not afraid of chemical decomposition reactions and aggressive environments, so they last almost forever.

In addition, such units are made of high-strength materials that are not afraid of aggressive environments, which means that their service life is higher than that of conventional submersible pumps.

If there is no electricity in the country, then the manual pump option may be the only option for a pump for dirty water. They are sold ready-made, they cost no more than $ 150, but you need to pay attention to what size of solid particles they are designed for.