Sewage pumping station. Selection and installation

A sewage pump is an expensive and complex device. For his optimal performance necessary correct installation. In this article I will tell you the basic rules for installing sewer pumping systems. Let's start looking at the installation rules in order.

Installing a sewer pump on a toilet.

More or less discussed here general rules installation of such pumps. Therefore, you need to read the instructions that come with the product. So, let's begin:

• If the pressure sewer is provided vertical section, That it MUST be located at the beginning. The height of the vertical section varies depending on the distance from the general sewer riser and the diameter of the pressure sewer.
• Horizontal sections of pressure sewers must have a slope towards sewer riser. Slope value different manufacturers may vary, so please check your instruction manual for details.
• It is necessary to correctly select the diameter of the pressure sewer, based on the number of connected “sources”, that is, if in addition to the toilet, your pump is also connected to a shower stall and a washbasin, then you need to make a pressure sewer from a pipe of a larger diameter. Tables for selecting pipe diameters are available in the pump instructions. In addition, pay attention to the maximum consumption of your pumping unit, it must have time to pump out all the drains. Otherwise there will be a breakdown
• For turns of the pressure pipeline, it is better to use bends at 45º. This will reduce the likelihood of blockage in the pressure part.
• It is advisable to connect the sewer pump directly to the toilet. If there is a need to install a toilet through a pipe, then you need to clarify it in the instructions maximum length. For example, for Grundfos pumps this distance should not exceed 150 mm.
• Manufacturers prohibit installing sewage pumps in pits near the toilet. How this is explained was never clearly explained to me. But to maintain the guarantee, I recommend observing this point.
• The pumping unit must be firmly fixed to the floor surface.

Installation of a sewer pump for a shower stall and sink.

Now let’s look at the installation rules for the shower stall and washbasin (sink):

• Sewage pump for shower cabins can be installed in any convenient place in the bathroom (can even be installed under a shower stall). But we must remember that the drains from the shower cabin and washbasin flow into the pump by gravity, so the non-pressure sewer system must be laid with slopes towards the pump.
• If you install the pump in basement or in any other place below the sewer riser, then first you need to make a vertical section of the pressure sewer. And then make horizontal sections with a slope towards the sewer riser.
• Select the correct diameter of the sewer pressure part. Selection tables are in the instructions for the device.
• Do not exceed the number of connected water supply points recommended by the manufacturer. And if you install an additional point of analysis through a tee, then keep in mind that the sewage pump has a maximum flow rate and it should not be exceeded.

Installation of a kitchen pump for a washing machine and dishwasher.

Pump for pumping out gray waste from dishwashers and washing machine differs from the previous one in the ability to work at high wastewater temperatures (some models can withstand temperatures of 90º C for a short time). All other connection rules will be identical to those specified in the previous subsection. I bring to your attention another video:

Installation of a sewage pumping station.

The most general rules for installing sewer pipes are listed here. pumping stations:

• • The sewage pumping station must be installed in a heated utility room. In addition, the room should not be flooded.
  • The station is attached rigidly to the floor using fasteners. This is necessary to dampen vibration from the station engine.
  • The selection of pipe diameters is carried out according to the user manual. The more sources of waste the larger diameter pipes need to be used.
  • It is advisable to make the pressure pipeline from PVC or PP pipes for gluing or soldering.
  • If it is necessary to make a vertical section of pressure sewerage, then it is done right next to the pumping station. Subsequent horizontal sections are made with a slope of at least 1° towards the riser. The relationship between the height of the vertical and the length of the horizontal section of the pressure sewer is given in the instructions and varies depending on the diameter of the pipes.

Summary.

Before installation sewage pump carefully read the instruction manual, namely the part devoted to installation. Then select the diameter of the pipe for laying the pressure part of the sewer according to special tables in the user manual. Only after this can you begin purchasing materials and installing the pump. That's all, write your questions in the comments and use the social network buttons.

We offer professional and qualified installation of underground equipment, including various types KNS: fiberglass, polypropylene, polyethylene. The total depth of the product can reach 7 meters. And the diameter is two meters. The complexity of the work depends on the composition of the soil and the groundwater level. In general, these jobs are hazardous and require special tool, special equipment and additional equipment. As a rule, JCB 4CX backhoe loaders are used to install pumping stations up to 3.5 m deep. And for work at great depths, large wheeled or tracked JCB JS160 excavators are used. At high level Groundwater is locally dewatered using wellpoints.

Before performing work it is necessary carry out all necessary survey work: engineering drilling, soil sampling, determination of the appeared level and the steady level groundwater. After this, a project for the production of work is drawn up with reference to real estate objects, including horizontal and vertical sections of equipment on site. Before starting work, an installation contract with a work schedule is signed. The site must be ready for installation and all necessary approval certificates must be signed. Immediately after completion of work and commissioning, we sign an acceptance certificate for equipment and work with the customer. From this moment the warranty obligations for the work performed begin.

The cost of installing a pumping station

When calculating the cost of installing a complete pumping station, the following are taken into account: the remoteness of the site, the complexity of the equipment, the groundwater level and the type of soil. In general, we can say that the installation of a 3m high pumping station will cost 35 thousand rubles, excluding materials and additional work. More accurate calculations any professional contractor will give it only after visiting the site.

As a rule, the installation of an underground pumping station includes:

• Excavation;
• Strengthening the walls of the pit, formwork;
• Installation of reinforced concrete slab;
• Leveling the base with sand and compacting;
• Leveling equipment, anchoring;
• Backfilling.

Where we install water pumping stations in the Moscow region. Geography of work.

Moscow and the Moscow region are dispersed over a large territory. Each area has its own soil conditions and installation requirements. Our installation department has extensive experience in every district of Moscow and the Moscow region. We will install modern equipment at your facility in any of the cities: Korolev, Ruza, Balashikha, Krasnoarmeysk, Sergiev Posad, Bronnitsy, Krasnogorsk, Serpukhov, Vidnoye, Krasnoznamensk, Solnechnogorsk, Volokolamsk, Lobnya, Stupino, Voskresensk, Losino-Petrovsky, Fryazino, Dzerzhinsky, Lukhovitsy, Khimki, Dmitrov, Lytkarino, Chernogolovka, Dolgoprudny, Lyubertsy, Chekhov, Domodedovo, Mozhaisk, Shatura, Dubna, Mytishchi, Shchelkovo, Yegoryevsk, Naro-Fominsk, Elektrostal, Zheleznodorozhny, Noginsk, Yubileiny, Zhukovsky, Odintsovo, Zaraysk, Orekhovo- Zuevo, Zvenigorod, Pavlovsky Posad, Ivanteevka, Podolsk, Istra, Protvino, Kashira, Pushkino, Klimovsk, Pushchino, Klin, Ramenskoye, Kolomna, Reutov.

floor, but if this is medium-sized equipment, then they will dig a pit for it or it will have to be placed in special room KNS.

Today we will focus on the arrangement of the pit, including all regulatory components, namely:

Sanitary - protective zone KNS, which must be observed within the established standards (about 15 m).

The requirements for fencing the pump station, if it is recessed, can be observed purely for safety reasons or the safety of equipment, but they put a lock on the cabinet and hatch, and that’s it.

Observe safety regulations, and therefore, during the construction of the pipeline and pit, in order to avoid hazardous situations, it is necessary to erect barriers to the work site.

For the installation of a water pumping station, the estimate must include all expected costs:

• for the rental of special equipment for digging a pit and installing equipment;
• for the purchase and delivery of sand and concrete for the foundation of the KPS;
• for related tools and parts for fastening the tank;
• to pay a team of workers, if you do not plan to install a sewage pumping station yourself, etc.

And so, you have taken into account all of the above and are ready to begin the installation itself:

• A pit is being dug, its dimensions exceeding the dimensions of the pumping station structure. This is necessary for convenient connection of the rest of the pipeline and power supply.
• To avoid digging up the soil, the lowest part of the hole is dug by hand.
• According to the drawing, formwork is constructed: a cushion of sand is made (10 - 15 cm), reinforcement is installed and concrete is poured in several layers, using a level to make the foundation as horizontal as possible.
• Only after the reinforced concrete structure has completely hardened is the body attached to it, taking into account that when installing the SPS, deviations from verticality are permissible within 5 mm.
• Make sure there is no debris or water inside the tank.

The water must be pumped out, and not poured out, overturning the body.

• If groundwater appears, the structure is secured anchor bolts, or even pour it on top with ready-mixed concrete so that the top of the concrete plane exceeds the lower rib of the equipment by 200 mm.
• After all the manipulations, backfilling is carried out to two collectors: pressure and gravity.
• Then the power supply and pipeline are connected.

Backfilling is carried out evenly around the circumference of the KNS, sifting out stones and compacting layers of 50 cm, at above-zero temperatures, by adding water. IN winter time Please note that the soil must not freeze.

The cover, ventilation, etc. are attached using the parts included in the kit.

Currently, most industrial enterprises, as well as private residential sectors, are equipped with a sewerage station. This is necessary for forced drainage of waste and industrial waters. For example, if the bathroom is located below the main line, then the option of removing wastewater by gravity disappears by itself. Let's take a closer look at what a sewage pumping station is and how this device works. In addition, we will consider the key points of installing equipment without the involvement of specialists.

General concepts and information

Currently, three types of CNS are sold depending on the design: simple, medium and complex. If you want to organize wastewater disposal in a private home, then it hardly makes sense for you to purchase complex sewage pumping stations. Firstly, it is very, very expensive, and secondly, their productivity significantly exceeds the amount of wastewater that will accumulate in your place. In most cases, the simplest QNS is sufficient, but if we're talking about about a large industrial enterprise, then it makes sense to give preference to more complex structures.

Domestic sewage pumping station: design

Depending on the manufacturer, the KNS equipment may be disabled. To put it clearly and briefly, such a pumping station is a sealed tank with a fecal pump. It is clear why the storage capacity is needed. Waste products are collected there. The material can be different: concrete, plastic, metal. The purpose of the pump is to raise wastewater to a certain level, then the outflow is realized by gravity. Often the design involves several such pumps. One is working, and the second is a reserve one, which is needed to support the pumping station in working condition in the event of failure of the main one. In addition, there is a piping system with valves to control the pumps. The pipes can lead to treatment systems or drain water into the central sewer system. Another integral part of the design is the float switches, almost the same as in cisterns toilets. They work simply - when the drains reach a certain level, the system turns on and the water is pumped out.

Operating principle of the CNS

Let's take a closer look at how the device functions. It’s worth noting right away that there is nothing complicated. When the wastewater level rises to a certain point, the float switch sends a signal to the receiving tank into which the waste is pumped. It is worth noting that there are submersible pumps there. When they are turned on, the wastewater is sent to the distribution chamber through a pressure pipeline. By opening the water, they go either to treatment plant, or into the central sewer. To prevent wastewater from flowing back into the distribution chamber, a check valve. This is how CNSs work. Sewage pumping stations are equipped with a ladder through which maintenance is carried out. The hatches in the upper part of the unit are sealed, which prevents odors from penetrating into the maintenance area.

Types depending on power

Mini-stations are a very simple device that connects directly to the toilet. Low power pump (no more than 400 W), fecal submersible, with cutting tools. Essentially this is good decision for the dacha.

There are also medium KNS. Sewage systems of this type are equipped with a polymer tank and a submersible pump. They are in greatest demand due to their high versatility. They are suitable both for a summer residence and for use in an industrial enterprise, in contrast to small and large pump stations. If the device is intended for use in domestic conditions, then most often one pump with cutting elements is installed. For industrial use the pumps do not have cutting elements; there are 2 of them.

As for large pumping stations, they are used in large industrial enterprises and in urban sewerage systems. The pumps in this case are multi-channel, without cutting tools.

If you decide to choose a sewage pumping station, then be careful. There are a few important details, which you should always pay attention to. But first, check the following points:

• depth of the system;
• pump performance;
• type of pump (with cutting tools, single-channel or multi-channel running wheels);
• the material from which the SPS body is made;
• body diameter.

You need to understand that today manufacturers make cases from polypropylene and fiberglass reinforced. There are also housing options made of polyethylene, concrete and steel. But the last two are more expensive. The metal will also corrode.

In order for the “filling” of the station to serve as long as possible, all its elements must be stainless. If seismic activity occurs, the housing must be heavy-duty. For the northern regions, additional insulation is necessary, and the burial depth may also have to be increased. So the sewer systems will serve faithfully for a long time.

What is good about the Grundfos sewage pumping station?

This manufacturer is considered the market leader in the production of modern pumping stations. It is worth drawing your attention to a wide range of Danish products. Here you can find both mini-sewage stations and a “wet well” modification, etc. For example, the manufacturer gives a guarantee of about 50 years on the mini-station. This is despite the fact that the installation requires virtually no maintenance. In addition, you can buy a product to order.

Let's look at specifications Grandfos Integra. The installation itself is quite large, its height can range from 4.5 to 12 meters. Pneumatic cylinders provide a seal, and the reservoir is made of fiberglass, so it is very durable. Of course, we can safely say that KNS, originally from Denmark, are considered one of the best. This is due not only to the build quality, but also to the use of advanced technologies.

How to create a project?

Before you begin directly installing the equipment, you need to calculate everything. And the first thing is water consumption. To do this, you need to take the minimum and maximum expenses, and as a result you will get the average. Next you need to decide on the power of the pump. To do this, it is worth calculating the height of the rise of the drains, taking into account the losses of the heating pipeline and air.

But it doesn't end there. It is also necessary to draw up a general operating schedule for the station, and the figure obtained as a result of the functional calculation should be slightly larger than the usual calculation. It is important to understand that there are different pumps. Some are designed to work for short periods of time under load, others vice versa. We must not forget about the occurrence of overloads, which submersible pump must definitely withstand. The more often they occur, the more powerful the unit is needed. At the final stage, we determine the volume of the receiving tanks and can proceed directly to installation.

pumping station

Before installing the main equipment, you will need to supply concrete slab, to which the base is attached. Her minimum thickness should be 30 cm. Special anchors can be used for connection. Then you can proceed directly to installation. To do this, the first thing you need to do is dig a pit of appropriate depth and diameter. If they appear groundwater, then you will need to make a foundation. Then you can install the station and attach it to the slab, and then fill the SPS with soil.

In most cases, the installation of a sewage pumping station takes place without any problems. As noted above, for northern regions where soil freezing is significant, additional insulation will be required. It could be sheets of foam or something like that. If we are talking about installing a mini-station, then basic plumbing skills will be enough. The main thing is to provide sealed connections and rightly so. At this point the installation can be considered complete.

About the advantages of CNS

Of course, it is not always advisable to install a sewage pumping station. If you have a normal central sewer system, then there is definitely no point in this purchase. However, most private sectors require CNS. And this is an obvious fact. Let's look at the main advantages that a sewer station has. Firstly, this kind of structure very effectively saves living space, since the equipment is located on the street. Another big plus is the complete automation of the process. After you complete the construction of a sewage pumping station, you can almost forget about this structure. Of course, the installation requires periodic maintenance. KNS is completely harmless to environment, which is important, especially if the device is installed on an industrial site. Some models have purification filters, so wastewater can be sent directly into the ground.

Some interesting points

If you buy a complete sewage pumping station, then it is easier to entrust its installation to specialists. They will install the pipeline for you and do the necessary tests. If you decide to do everything yourself, then be prepared to work hard. It’s unlikely that you can do it in a day or even a week, especially if you have to dig the pit by hand. However, you can save a significant amount and gain valuable experience. By the way, as for equipment prices, Sanicubic (France) with a capacity of 15 kW will cost you about $5,000. In this case, wastewater will be sent directly to the ground after treatment. But Homa Saniflux from Germany - the equipment is very expensive, about $18,000. Domestic manufacturers supply KNS at a slightly lower price.

Conclusion

So we looked at typical sewage pumping stations. As you can see, this is quite an expensive technique. However, in some cases this is the only option available. Although we can say that many craftsmen themselves make something like KNS, it is true that it costs an order of magnitude cheaper. It always makes sense to purchase a sewer station in half with a neighbor. This option is extremely relevant for a summer residence or a large private sector. This way you can save a significant amount of money, and installation will be easier with third-party support.

Cities are developing rapidly, industrial enterprises are equipped with new equipment, but problems continue to remain. Therefore, it is necessary to design sewage pumping stations and install them. The demands placed on them are high, because a breakdown will provoke flooding of nearby areas. It is necessary to accurately calculate the water supply level, the type of pumps, as well as their number.

The KNS level sensor controls. The supply should be determined based on the water inflow to the station.

b) Sewage pumping station 250 sanivort. Removes wastewater discharged from sinks located below the level of the sewer system collector. It is convenient to install it where there is no possibility of gravity drainage.

Complied with. The body material is safe, because it is plastic and is easy to clean. Pumping is controlled by a sensor. The station is equipped with ventilation.

c) Sewage pumping station sanivort 600 - pumps wastewater containing feces. Thanks to it, it is possible to organize water pumping in remote places. Nothing but feces and toilet paper must not be. Liquid temperature up to +40C. Pumping of sewer stations is carried out quickly, because the system’s power is high - 600W. Up to 80 liters are pumped per minute.

The station is suitable for toilets with a horizontal outlet and a flush barrel volume of at least 6 liters.

d) Sewage pumping stations grundfos stations easy to operate and do not require additional maintenance. Station pumps are well suited for high-pressure sewers. Additional control systems provide reliability and efficiency.

d.) Modular pumping station is a fully factory-ready product. It includes a fully assembled and finished equipment. Installation of a sewage pumping station depends on its purpose. The number of pumps is set based on the same. A block box is being constructed for the station in which it will be located. Pumping stations are designed at the factory. They contain automatic system control. In the event of an accident or lack of power, it for a long time will work automatically.

Not suitable for domestic wastewater; its main purpose is to work with drinking water supply.

E) Sewage pumping stations - equipment that allows you to pump household wastewater, both in private homes and in neighborhoods. When ordering, it is important to consider the technical specifications. Stores often offer to choose the necessary equipment yourself. You can get advice on it from the manager. This is a big plus for those who do not understand this.

The main factors influencing cost and characteristics:

• reservoir depth
• length and diameter of the pressure manifold
• volume of waste

The fecal station differs from the others in that the waste liquid entering the system is not uniform in volume and time. Therefore, such reservoirs act as “settlers”. Sediment accumulates in them and releases bad smell. But the danger is that harmful gases accumulate. The main task of each tank is to create an environment for the normal operation of pumps.

Pumping stations modern type can be installed on new and old sewer systems.

The surface sewer installation is more powerful. After all, it is not limited in size, it can pump liquid into large volumes. There are two types of such pumps - diesel and electric.

Is it possible to service the devices yourself?

Many people are concerned about the question of whether preventive work can be carried out independently. The answer is a clear no. Servicing of the pump is performed exclusively by specialists. Working mode. IN after-sales service a number of planned mandatory activities are provided. For example, waste baskets are installed for use. They need to be cleaned periodically. Only experienced people can do this.

Modern diversion stations are now being produced. They are produced in a modular version and are made of plastic. The factory is engaged in their production.

WATCH THE VIDEO

Due to the plastic body, the station is light in weight. Thereby installation work are easier to carry out, and the service life of the products does not change. In complex stations, the equipment is located inside. The construction of ground structures is no longer necessary.