The classification and features of feed water pump station

Feed water pump station is pumping facilities of water supply engineering system. Water pump, pipeline and motor ( Referred to as 'pump, tube, machine) The three constitute the main technological facilities in the pumping station. The classification of the feed water pump station according to the location can be divided into: the ground type pump station, underground pump station and half underground pump station; In the water supply engineering classification ( Role) Divided into water pumping stations, water pump station, pump station and circulating water pump station. The classification and features of feed water pump station is as follows:

water intake pumping station ( Level of pumping station)

send raw water from a water source ( Generally for low head) To plant, when raw water without having to deal with directly into the water supply pipe network, reservoir or water tank on its roof. Level of pumping stations and water intake structures & or points. station of water conveyance capacity equal to the water treatment plant water supply capacity and water plant, general full-time uniform water supply.

water pumping station ( The secondary pump station)

send water treatment plant in the clear water reserviors ( Generally for high lift) To the water supply pipe network to supply users needs. Secondary water pump station of water supply capacity must satisfy the highest when the water requirement, water consumption but also adapting to reduce at the same time ( See water) 。 In order to make the pump under the condition of efficient running, generally set more than one pump, by the different combination between the pump, and set the towers or pool, to adapt to the change of the water supply ( See the regulation of water structures) 。 Some use speed pump unit, so as to adapt to the change of water supply and water pressure.

pressurized pumping station to improve water supply pipe network water pressure in the area of hydraulic pump station. When expansion or new pipe network can be used. Especially in the city of terrain, narrow or elevation or insufficient to individual hydraulic structures, set the booster pump station is more economic and reasonable.

circulating water pumping station to exclude the production process of waste water after treatment, and then back to the pump station used in the production, such as cooling water circulation water pump station ( See the circulating cooling water system) 。

water supply pump station by pumping house, power distribution equipment and auxiliary between three parts, its affiliated structures are well into the pool and valve, etc. house is to install the water pump units, pipelines, valves, starting equipment and cranes, etc. Centrifugal pump, this pump generally has a horizontal and vertical two kinds, according to the number of impeller can be divided into single-stage and multistage centrifugal pump, multi-stage pump used in high pressure water supply system. Power equipment used motor, sometimes with internal combustion engine. Power distribution equipment including high and low voltage power distribution and control unit operation of electrical equipment and all kinds of monitoring instrument, etc. Water supply pump station depending on local conditions and needs can be built into the ground type, half underground or underground. Some also can build open pump station. The operation of the feed water pump station with artificial manipulation, semi-automatic and fully automatic control and so on, with semi-automatic pumping station.

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