The structure of centrifugal pumps, centrifugal pumps, centrifugal pumps the basic structure of the form

Which a few part centrifugal pump made of? Centrifugal pump (

离心泵) Widely used in chemical industry production, this is due to its performance using range ( Including flow, pressure head and the nature of the medium in fail to meet) , small volume, simple structure, easy operation, uniform flow, gangster that, long life and less purchase expense and handling fee are lower prominent advantages. It is depend on centrifugal force generated by the impeller rotates to transport liquid pump, centrifugal pump is made up of many components, the basic structure of centrifugal pump is mainly composed of pump body, pump shaft, bearing, impeller, seal ring, stuffing box and so on six parts, the following centrifugal pump structure:

centrifugal pump pump body also calls the pump shell, it is the main body of the pump. Support fixed effect, and connected to install bearing bracket. shell axial split and radial split two kinds. Most of the single-stage centrifugal pump shell members are volute, multi-stage pump shell is commonly circular radial subdivision or circular shell. General volute pump shell lumen in the spiral flow channel, to collect from the flow of fluid in the impeller, and to spread the tube to the pump discharge. shell bearing degree by the full working pressure and heat load of the liquid.

the role of the centrifugal pump of water pump shaft is connected by coupling and motor, the torque of the motor to the impeller, so it is a major part of the mechanical energy transfer. One end fixed impeller, pump shaft end coupling. According to the size of the pump, the bearings we can choose a rolling bearing and sliding bearing.

sliding bearing is using a transparent oil as lubricant, fuel oil level to the line. Too much oil to the pump shaft seepage, too little bearing overheating and burn out cause an accident! Bearing in the process of pump working in 85 degrees, the highest temperature is generally run around 60 degrees Fahrenheit.

is the core part of a centrifugal pump impeller, strength higher than that of its speed, on the impeller blades and play a major role, the impeller through static balancing experiments before assembly. Impeller on the inside and outside for smooth surface to reduce friction loss of water. Through the impeller pump for liquid work is done. The structure of the impeller type are closed, open, half open type 3 kinds. Dow closed impeller is made up of blade, front cover, HouGaiBan. Half open impeller composed of blades and HouGaiBan. Open impeller blade only, excellent HouGaiBan. Closed impeller efficiency is higher, open impeller efficiency is low. Sealing ring is also called the minus leakage ring. The role of the centrifugal pump seal ring is to prevent the internal leakage of the pump and external leakage, sealing ring made of wear resistant material, with back to back cover before the impeller on the anode and the pump shell, can be replaced after being worn out.

stuffing box is mainly composed of filler, seal ring, filler tube, packing gland, water tubes. The role of the stuffing box is mainly in order to close the gap between pump casing and pump shaft, don't let the pump in the flow outside to not let outside air into the pump. Always keeping the vacuum inside the pump! When the pump shaft and be about to rely on water seal packing friction heat to hold water to the water seal circle packing cooling! Keep the pump running. So in the process of pump run Tours of inspection to check the stuffing box is paying special attention to! Running about 600 hours will be carried out on the packing replacement. Centrifugal pump working principle is the use of a centrifugal impeller rotation and make the water has come to work. before the start, it is necessary to make the pump casing and suction tube filled with water, and then start the motor, make and water pump shaft to drive the impeller for high speed rotation, water centrifugal motion, be left to the impeller outer edge and the volute pump shell of the water flow into the pump pressure.

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