Choosing a fecal pump for pumping out sewage
Life in a country house is enjoyable if life support systems work. A reliable fecal pump for pumping out sewage is selected taking into account the design of the local system. A feature of all devices for pumping waste products is the removal of lumps of dirt without clogging the working chamber.
Choosing the right pump
It is necessary to select equipment based on technical parameters and operating conditions. The fecal pump can be:
- superficial;
- semi-submersible;
- submersible.
Moreover, there are several varieties of each type of apparatus from different manufacturers.
By marking, you can determine the purpose of the drainage device. If the entire marking includes only digital parameters - the drainage pump can pump drains with suspended particles less than 5 mm. If the letters F are present, the fecal pump copes with the pumping of solid fraction, long fibers. If the letter H is present in the marking, the device is stable when working in an aggressive environment. The outlet manager will help you in choosing the right fecal pump for pumping out the sewage system.
The pump is selected for pumping wastewater through a long gravity system to the receiving manifold of the general sewage system, more often for pumping VOCs.
Selection of submersible pumps for pumping wastewater
Working in an aggressive liquid environment, the device must be sealed and resistant to corrosion. Therefore, the fecal submersible pump is made of resistant materials - cast iron, stainless steel or polymers.
By the principle of operation, devices are distinguished:
- centrifugal;
- vortex;
- screw.
Experts consider the most effective and reliable centrifugal pump.
The device is equipped with a filter mesh at the suction pipe, a check valve, an automatic activation system at a certain level in the tank. Often, a fecal pump is used with a grinder, installed on a wide substrate so that it is not sucked into the sludge bottom sediments.
Advantages of submersible devices:
- pumping waste with a solid fraction with a section of 80 mm;
- reliability in work, they are not destroyed in a specific environment;
- do not overheat in a liquid environment;
- creates a head up to 30 m;
- pumps with grinders pump waste in a pipe with a cross section of 50 mm, saving when installing a pressure pipeline.
The plant manufacturers are renowned companies.
Here are examples of inexpensive fecal pumps, their features.
- Caliber NPTs-1350 presents a budget option for a submersible drainage fecal pump. The device has a shredder that is capable of passing 18 m3 waste. In this case, the device is capable of passing a maximum size of pieces of 40 mm. The pump creates a head of 12 meters, it is convenient for use in local systems. The cost of the device 5-8 thousand rubles is available for people with low incomes.
- Whirlwind FN-750 works at a depth of 9 meters. The 13 meter head allows waste to be lifted from a low level. The pump does not have a chopper, but has a float start system. The device is capable of passing solid waste up to 42 mm in size. The device has overheating protection.The price of the pump is 6-7 thousand rubles.
- Hungarian apparatus Eipumps can be used in everyday life and for pumping industrial wastewater, depending on the modification. An economical reliable device, not inferior in performance to domestic models, costs from 4 thousand rubles.
- Jileks Fecalnik - the installation of the Russian plant is produced in a plastic case or made of stainless steel. Feecal pump capacity for cesspools 9-15 m3, head of 11 meters, which is enough for a local system. Depending on the design of the case, the average cost is about 5 thousand rubles.
- HeizWRS 25 - a pump of German design, Chinese production. The device is equipped with a grinder, with a pressure of up to 14 meters, its flow rate up to 15 m is possible3/hour. Energy consumption 0.8 kW, overheating protection, cast iron or stainless steel design makes the model reliable and economical.
More expensive installations include branded products from European companies. Pumps of the brands Grundfos, Pedrollo, WILO-DRAIN MTC – MTS are expensive high-performance equipment with automatic start-up and a high degree of protection.
Selection of surface pumps
A fecal pump for pumping out sewage of a surface type is used mainly by summer residents. It is impossible to use the unit at negative outside temperatures, the camera freezes over. The body is made without sealing, in rain or without a canopy from splashes, the engine may become unusable. Installations are attracted by their compactness and mobility. They can be stored in the utility block, installing only for the duration of the sump swing. The inlet is equipped with a mesh, there is a built-in check valve. The equipment is easy to operate and cheaper than submersible systems.
The design of the surface pump does not imply the design of the grinder, it allows particles up to 5 mm to pass through. The power of the installations is lower, but the mobility allows the use of the devices in various household jobs.
Semi-submersible pumps
Drainage fecal pump of semi-submersible type combined the advantages of submersible and surface installations. The device is vertical, the engine is located on the surface and does not require sealing. Due to the simplified design, the cost of the pump is low. The device works with a lower efficiency compared to a submersible one; it is possible to recommend for a private courtyard only a pump of the NCI-F100 brand, with a pressure of 8 meters and a power of 0.5 kW.
Of all the listed types of sewage pumps for cesspools, submersibles are more often chosen as more technological and reliable.