QZB axial flow submersible pump and QHB mixed flow pump are the developed electric pump unit.
They have some advantages than other electric pumps.
As the motor and water pump consist of a whole and installation is convenient and fast, The pump can save installation field and 95% installation time.
The motor is submerged for operation and has good cooling conditions, no high temperature in the pump station, low noise, can be built into underground pump station, maintain the appearance of the ground environment, greatly simplify the pump station geotechnical and architectural structure engineering, reduce the installation area, save the project cost of 30-40%
The submersible motor adopts double, triple mechanical seal and auxiliary seal structure, F class temperature resistant 155C insulation, protection grade IP68 - And a sealing leakage, winding and bearing temperature rising detection device is set in the motor
The detection signal is fed back in the monitoring room of the electric control cabinet, which is easy to operate and realize automatic control and remote control.
Pump application
QZB/QHB two kinds of submersible pump can be widely used in working conditions dock, urban water supply and drainage, farmland irrigation, power station water supply and drainage.
QZB axial submersible pump is suitable for low head and large flow occasions, QHB mixed flow submersible pump has high efficiency, good cavitation performance, suitable for large changes in water level and relatively high head occasions.
The conveying medium of the above products is raw water or light sewage, and its maximum liquid conveying problem is 50C, the PH value of the conveying medium is 4-10, the volume ratio of the conveying medium is below 2%, and the sealing of the medium is less than 1.2*10 3KG/M3 - Using the pump is the most thorough way to solve the flood control problem of electric station construction along the river and lake area with large fluctuation of water level.
Structure description
Submersible motor is at the top of the pump, submersible motor is for dry type with F class insulation, reliable mechanical seal and auxiliary seal, and leaks and internal winding, bearing temperature protection device, control cabinet, safe and reliable running, and running water quality and environment suitable for adjustable blade, wider range of conditions.
The impeller rotates counterclockwise from the inlet direction.
When the motor power is below 315KW, the voltage is 380V or 600V; when the motor power is above 315KW, the voltage is 6KV or 10KV.
Flow rate: 350 to 15000 m3/h
Head: 1 to 10m
Power: 15 to 450KW
