Vertical shape structure and structural features of the condensate pump

GNL type vertical fixed part of the condensate water pump is mainly composed of pump body, pump cover, bearing, seal ring, such as sleeve bearing, bearing body parts. The pump body and pump cover along the axis. Rotational part mainly consists of impeller, shaft and shaft sleeve, etc. Axial force of the rotating part, by a ball bearing radial force is out of the ball bearing and is located in the second set of Jane bearing between the impeller together.

vertical structure of the condensate pump

equipped with cooling chamber on the bearing body, can get cooling water when necessary.

pump suction and discharge nozzles are cast in the pump body, the center line, respectively on two straight and level. There are semicircular lower pump body pump, upside has semicircle bearing, bearing is installed on it, the motor is installed on the bearing.

vertical shape of the condensate water pump installation dimension figure

vertical structure of the condensate pump features:

( 1) Improve the effective NPSH, improved the absorption of pump performance.

( 2) Head with double suction impeller impeller, must reduce the pump NPSH, the materials have good resistance to cavitation performance of materials, ensure NPSH were greater than necessary NPSH.

( 3) Set up double suction impeller head on both sides of the diverter head impeller flow uniform distribution, the population of the possibility of reducing population with gas absorption.

( 4) Heads of impeller inlet shell designed trumpet-shaped, increased the diameter of the inlet and the heads of the impeller blade inlet width, lower the impeller's part of the fluid velocity, reduce the pump NPSH required.

( 5) On the outer shell is equipped with a pressure pipe emptying connected to the condenser, sucking the air in the water water pump population, to prevent the pump suction air. put into operation must be fully before emptying water flooding, the normal operation of the valve is also keep certain degrees.

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