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Name：QH, QZ axis (mixed) flow submersible pumpTime：2015/6/5 10:14:34 |
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Product Name: QZ, QH axial (mixed) flow type submersible pump I. Summary QZ type submersible axial flow pump and QH type submersible mixed flow pump are the new replacement of the traditional powder type unit. The motor driven the pump is the fully enclosed submersible three phase asynchronous motor. The pump of the unit shares the same axis with the motor. It can be immersed into water for long-term operation, and possesses a series of advantages incomparable by traditional units. As the pump and motor are in one, immersed into the water altogether, there is no need to waste time at the installation site. The assembly process on the motor and the pump axis is time-consuming. It is convenient and fast to install at site. The electric pump operates under water. It can greatly simplify the civil structure of the pumping station, and reduce the installation area, which can save 30% to 40% of the total cost of the civil structure of the pumping station. The electric pump operates under water, with low noise and good cooling effect of the motor. There is no high temperature in the pumping station, no noise interference, and thus improves the working environment of the pumping station. At the same time, it can build whole underground pumping station according to requirements, and maintain the ground environment. It is easy and flexible to operate, and the unit can be turned on and shut down arbitrarily. There is no need to lubricate the rubber bearing of the pump, and easy to realize remote control and automatic control. It is convenient to assembly and dis-assembly the unit with easy maintenance. Using this unit is the most complete method to solve the problem of water level fluctuation, and the flood control of the pumping station in lake areas. It saves the long axis between the pump and motor, and improves the safety and reliability of operation. If the frequency conversion controls, then the change of the water level can automatically control the input power of the motor, to achieve the purpose of saving energy and reducing consumption. It can achieve remote control, establish the central control room, and truly realize the modernization of the management on pumping station. Ⅱ.Product characteristics Cable: use the cable with thick layer of rubber insulation, and not easy to get damaged in use. Junction box: it is of the explosion-proof sealing structure. Even if the junction box is filled with water for special reasons, it will not enter the motor cavity. The sealing is more reliable. Bearing: Use the bearing produced by Swiss SKF company. Motor: with insulation class F, protection grade IP68, and equipped with anti condensation device. Protection monitoring system: 1. Motor overheat protection (winding), the use of PTC components 2. Motor chamber inlet protection 3. Oil chamber inlet protection 4.Bearing over temperature protection Cooling system: pump outlet and motor shell flow path, cooling motor effectively. Mechanical seal: double or triple mechanical seal can effectively prevent water from penetrating into the motor. According to the different working medium of pump, choose the grinding rock of different materials for long service life. Impeller: the impeller adopts the mixed flow or axial flow type adjustable blade of optimized design. It is widely used and meet the requirements of different users. The impeller of stainless steel material can resist long time corrosion. Ⅲ. Model meaning |
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