First, the basic principles
Stainless steel submersible sewage pump is a kind of pump used in the environmental protection industry to transport solid-liquid mixed liquid such as solid waste, industrial waste water, mud and so on. WQ stainless steel submersible sewage pump by the sewage pump, sealing system, submersible motor, control and protection systems, automatic installation system composed of several parts. And the general sewage pump is different: WQ-type stainless steel submersible sewage pump in the pump and motor coaxial rotation, and dive into the liquid at the same time work. Pump sealing system can effectively prevent the liquid into the motor cavity, the protection of motor safe operation. Control and protection system to pump in the event of leakage, oil spills, overload, overheating, lack of equal fault, timely alarm and shutdown for repair.
Second, the technical key
The automatic mounting system allows the pump to be automatically connected or disconnected from the piping system during installation and removal by a coupling device. WQ stainless steel submersible sewage pump is an indispensable and important equipment in water treatment. Its safe operation has a direct impact on the safe operation of the entire water treatment system, therefore, in the WQ stainless steel submersible sewage pump, the most important problem is to ensure the reliability of the use of pumps, sewage pumps affect the reliability of the key issues is Pump sealing performance and no overload performance and service life of important components in the pump seal, we use the auxiliary impeller hydrodynamic seal and mechanical seal combination of new sealing technology, the sealing reliability has been greatly improved . In the absence of overload performance, we use the whole field theory of pump hydraulic design, while using dual-channel impeller, the pump not only has greater capacity and more importantly, the pump in the entire head range of power will not exceed Motor rated power using motor overload.
Basic Principle and Type Selection of Stainless Steel Submersible Sewage Pump
Third, selection
Drainage pump with stainless steel submersible sewage pump, liquid sewage pump, sewage pump and sewage pump self-priming. As the general site within the building is small, the displacement is not large, the drainage pump can give priority to the use of stainless steel submersible sewage pump and liquid sewage pump, which is generally used in important places; vertical sewage pump and self-priming sewage pump requirements set Base isolation, self-irrigation water, and occupy a certain venue, it is less used in the building.
Sewage pump flow should be selected according to the life of drainage design flow; when there is displacement adjustment, according to the maximum flow of life drainage selected. Fire elevator drainage pool within the drainage pump flow rate of not less than 10L / s.
Sewage pump lift by height, pipe loss calculation is determined, then add a certain free head. Free head should be used 0.02 ~ 0.03MPa. Suction pipe and outlet pipe flow rate should not be less than 0.7m / s, and not more than 2.0m / s.
Public buildings should be in each living drainage pool as a unit set up a standby pump, usually should be interactive operation. Basement, equipment room, garage ground floor drainage, if two or more than two sewage pumps can not use the pump. When the catchment can not be set up accident drains, the sewage pump should have uninterrupted power supply; when can close the water inlet pipe, may not have uninterrupted power supply, but should set the alarm device.
When upgrading sewage with large impurities, waste water, stainless steel submersible sewage pump in different sumps should not be combined out of the outlet pipe; when upgrading general waste water, according to the actual situation can be considered different sinks stainless steel submersible sewage pump sewage pipe Combined discharge. Two or more of the sewage pump share a water outlet, should be installed in each sewage pump outlet pipe valves and check valves. A single sewage pump may have a backwater when the drainage should be set up check valve. Do not allow pressure drainage and construction of gravity drainage pipes combined discharge.
When the stainless steel submersible sewage pump to enhance containing large debris, the stainless steel submersible sewage pump should be equipped with crushing device; when upgrading with more fiber waste water, should adopt a large channel stainless steel submersible sewage pump.
When the stainless steel submersible sewage pump motor power is greater than or equal to 7.5kW or outlet pipe diameter greater than or equal to DN100, the pump can be fixed by auto-coupling device; when the stainless steel submersible sewage pump motor power is less than 7.5kW or outlet diameter less than DN100, Hose mobile installation. Sewage pool with stainless steel submersible sewage pump drainage, the stainless steel submersible sewage pump should be set to self-coupling device to facilitate the repair of stainless steel submersible sewage pump.
Stainless steel submersible sewage pump should be able to automatically start and stop and on-site manual start and stop. More than one stainless steel submersible sewage pump can be run in parallel, can also be put into operation.
Stainless steel submersible sewage pump is a kind of pump used in the environmental protection industry to transport solid-liquid mixed liquid such as solid waste, industrial waste water, mud and so on. WQ stainless steel submersible sewage pump by the sewage pump, sealing system, submersible motor, control and protection systems, automatic installation system composed of several parts. And the general sewage pump is different: WQ-type stainless steel submersible sewage pump in the pump and motor coaxial rotation, and dive into the liquid at the same time work. Pump sealing system can effectively prevent the liquid into the motor cavity, the protection of motor safe operation. Control and protection system to pump in the event of leakage, oil spills, overload, overheating, lack of equal fault, timely alarm and shutdown for repair.
Second, the technical key
The automatic mounting system allows the pump to be automatically connected or disconnected from the piping system during installation and removal by a coupling device. WQ stainless steel submersible sewage pump is an indispensable and important equipment in water treatment. Its safe operation has a direct impact on the safe operation of the entire water treatment system, therefore, in the WQ stainless steel submersible sewage pump, the most important problem is to ensure the reliability of the use of pumps, sewage pumps affect the reliability of the key issues is Pump sealing performance and no overload performance and service life of important components in the pump seal, we use the auxiliary impeller hydrodynamic seal and mechanical seal combination of new sealing technology, the sealing reliability has been greatly improved . In the absence of overload performance, we use the whole field theory of pump hydraulic design, while using dual-channel impeller, the pump not only has greater capacity and more importantly, the pump in the entire head range of power will not exceed Motor rated power using motor overload.
Basic Principle and Type Selection of Stainless Steel Submersible Sewage Pump
Third, selection
Drainage pump with stainless steel submersible sewage pump, liquid sewage pump, sewage pump and sewage pump self-priming. As the general site within the building is small, the displacement is not large, the drainage pump can give priority to the use of stainless steel submersible sewage pump and liquid sewage pump, which is generally used in important places; vertical sewage pump and self-priming sewage pump requirements set Base isolation, self-irrigation water, and occupy a certain venue, it is less used in the building.
Sewage pump flow should be selected according to the life of drainage design flow; when there is displacement adjustment, according to the maximum flow of life drainage selected. Fire elevator drainage pool within the drainage pump flow rate of not less than 10L / s.
Sewage pump lift by height, pipe loss calculation is determined, then add a certain free head. Free head should be used 0.02 ~ 0.03MPa. Suction pipe and outlet pipe flow rate should not be less than 0.7m / s, and not more than 2.0m / s.
Public buildings should be in each living drainage pool as a unit set up a standby pump, usually should be interactive operation. Basement, equipment room, garage ground floor drainage, if two or more than two sewage pumps can not use the pump. When the catchment can not be set up accident drains, the sewage pump should have uninterrupted power supply; when can close the water inlet pipe, may not have uninterrupted power supply, but should set the alarm device.
When upgrading sewage with large impurities, waste water, stainless steel submersible sewage pump in different sumps should not be combined out of the outlet pipe; when upgrading general waste water, according to the actual situation can be considered different sinks stainless steel submersible sewage pump sewage pipe Combined discharge. Two or more of the sewage pump share a water outlet, should be installed in each sewage pump outlet pipe valves and check valves. A single sewage pump may have a backwater when the drainage should be set up check valve. Do not allow pressure drainage and construction of gravity drainage pipes combined discharge.
When the stainless steel submersible sewage pump to enhance containing large debris, the stainless steel submersible sewage pump should be equipped with crushing device; when upgrading with more fiber waste water, should adopt a large channel stainless steel submersible sewage pump.
When the stainless steel submersible sewage pump motor power is greater than or equal to 7.5kW or outlet pipe diameter greater than or equal to DN100, the pump can be fixed by auto-coupling device; when the stainless steel submersible sewage pump motor power is less than 7.5kW or outlet diameter less than DN100, Hose mobile installation. Sewage pool with stainless steel submersible sewage pump drainage, the stainless steel submersible sewage pump should be set to self-coupling device to facilitate the repair of stainless steel submersible sewage pump.
Stainless steel submersible sewage pump should be able to automatically start and stop and on-site manual start and stop. More than one stainless steel submersible sewage pump can be run in parallel, can also be put into operation.
Manufacturers recommend: Shenlong stainless steel submersible sewage pump
Keywords:Stainless steel submersible sewage pump, solid particles, domestic sewage
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