How to choose a centrifugal pump for dirty water? Photos, expert advice, manufacturer reviews

The main advantages of centrifugal pumps are economy, ease of use and long service life. There are several varieties of such aggregates. If you want, you can buy equipment including a centrifugal pump for dirty water. Such models can be used for pumping wells, pits, treatment plants, etc.

The device of the centrifugal pump

To the pluses of this type of equipment, among other things, one can attribute the simplicity of the design. Such pumps consist of a durable housing and disks with blades located in it. The hoses or pipes are connected to the unit through the nozzles.

The principle of operation of this type of equipment is quite simple. When the impeller of the unit rotates, the water in the body is displaced from the center to the peripheral areas. As a result, an increased pressure is created, and the liquid begins to be squeezed out into the pipeline.

Types of centrifugal pumps

The advantage of this modern equipment, among other things, is that it can be used to work with any liquids (including oils). However, most often such models are purchased by the owners of suburban areas. The popularity of this equipment is explained primarily by its low cost and reliability. Applied in suburban homes can be centrifugal pumps of the following varieties:

• Wells;

• Well;

• Drainage;

• Fecal.

The first version of pumps is included in the scheme of water supply of country houses and in most cases can be used for pumping only clean water. If there is too much sand in the well, the impeller of the unit will be clogged, which will lead to failure of the engine. The centrifugal aggregates can also be classified into conventional and self-priming units. The latter variety gives more pressure.

Centrifugal pump for dirty water: design features

Units of this design usually have quite a high power. Therefore, they can be used for pumping not only clean, but also dirty water with the content of a certain number of suspended particles (from cellars, pools, etc.). These centrifugal pumps are called drainage pumps. A feature of their design is that they can pass through themselves, without harm to the nodes and mechanisms, rather large particles of dirt - up to 5 mm in diameter.

Fecal pumps

The equipment of this variety is also used for pumping out dirty sewage, but in sewage systems. Such units can be used, for example, in those cases when treatment facilities are located very far from home. Also, the centrifugal pump for dirty fecal water is advisable to use when the plumbing equipment is located at a great distance from the riser or below it.

Types of centrifugal fecal and drainage pumps in the place of installation

In addition to the scope of use, aggregates of this variety can be classified by the method of water abstraction. In this plan, the following models are distinguished:

• Submersible;

• Superficial.

A submersible centrifugal pump for dirty water (drainage) is installed directly into a pond or pool. Surface models are mounted next to them.

Dirty wells: expert advice

For pumping these mines, experts recommend using conventional units designed for clean water. But only domestic production. It is known that it is necessary to pump out dirty water from a well in two cases:

• Immediately after drilling;

• When cleaning the old mine.

Domestic borehole models are not as sensitive to the presence in the water of sand and dirt, as imported. Therefore, to drain dirty water from the mine, experts usually advise in addition to powerful imported equipment to purchase a small submersible pump of Russian or Chinese production. Such equipment usually costs within the limits of only 1500-1700 rubles.

Use low-power pumps to ensure watering or water supply at home, of course, can not. For short-term pumping, they are just perfect. In the future, such equipment can be adapted, for example, to clean the tank.

The use of drainage pumps in dirty mines

The units of this type can also be used for cleaning silted wells. However, the pumping of very shallow mines is in most cases everything that drainage centrifugal pumps are capable of . For a well (for dirty water), such equipment is rarely used. The fact is that the diameter of the body of submersible drainage pumps is often quite large. In the mine, such equipment simply will not work. Surface same household models can be used to raise water at a maximum of 8-10 m.

Conventional and self-priming centrifugal pumps for dirty water (drainage) are most often used for cleaning sources such as wells. In this case, both a submersible and a surface model can be used.

Reviews about foreign manufacturers

The most qualitative brand of drainage and fecal centrifugal (as, indeed, wells) aggregates in our country is quite rightly considered Grundfos. The opinion of the owners of suburban areas about the models of this manufacturer has developed good mainly due to their compactness, low weight and ease of use.

Another import mark of drainage pumps, which deserved good consumer feedback, is Pedrollo. Pumps of this manufacturer are characterized by a high degree of reliability and the ability to pump even the dirtiest water without harm to themselves.

Reviews about Russian models

The main disadvantage of the models Grundfos and "Pedrolo" Russian owners of suburban areas consider the high cost. The price for domestic and Chinese centrifugal drainage units with approximately the same characteristics can be two times lower. According to many owners of country houses, the most reliable brands of Russian budget drain pumps are:

1. "Gileks Kachok" 550/14. It produces this submersible centrifugal pump for dirty water (photo designs of this type are presented on the page) is the same company as the well-water models "Vodomet", well-known to Russian farmers. Its main advantages include high power, the possibility of using for pumping water from excavations and wells, as well as septic tanks, low noise.
2. PRORAB. Pumps of this manufacturer can pump for an hour more than 12 thousand liters of dirty water. Convert customers to the pluses of the units "Foreman" is also easy to maintain and small size.
3. "Vortex". Another domestic brand, quite deservedly popular among owners of country houses. The models of this manufacturer are very inexpensive, they are characterized by high power and low noise.
4. For the purification of industrial effluents and in urban sewage systems, a similar structure is used, but much more powerful equipment of this type. An example is the centrifugal pump for dirty water SM80-50-200. This fecal aggregate is produced by the company "Livgidromash". Disassembly can be done without disconnecting the pipelines.

Thus, the choice of equipment such as a centrifugal pump for dirty water depends primarily on where exactly it is intended to be used, as well as on the financial possibilities of the owners of the suburban area. Of course, when buying such equipment it is important to pay attention to its brand. Of course, we do not need to buy an aggregate for an unknown producer.