Strong self-priming pump in use process noise

strong self-priming pump in use process noise is big, what reason is caused?

there is a strong self-priming pump noise big pump in certain failure. That there are those who are willing to that?

1, the eccentric axis, yes pump operation process, the impeller in the water pump barrel wall caused by friction.

2, entry into the air, gas-liquid mixing yes pump noise is bigger.

3, impeller bound to foreign bodies, foreign bodies and block in the friction caused by noise and vibration.

4, impeller damage makes the impeller at the time of conveying liquid uneven and noise.

5, pump bearing damage, caused by pump running a cacophony of noise.

6, the motor terminal is the cathode wrong, motor reversal. Will make the impeller reverse, mixed with air sound bigger.

how to deal with stainless steel strong self-priming pump overload.

in the first place, with hydraulic coupling can also prevent pump overload, make the stainless steel is strong self-priming pump can work under high pressure. Hydraulic coupling installed between the stainless steel is strong self-priming pump and motor. Under normal working state, the hydraulic coupling will be rated torque from the motor end is passed on to the pump. Stainless steel is strong self-priming pump maximum differential pressure is determined by the hydraulic coupling transmission torque, hydraulic coupling transmission torque by the amount of fluid in the hydraulic coupling to adjust. When the pump work under high pressure or with the former pump starts at the same time, the speed difference sliding in the fluid coupling, only a certain amount of torque, slow the speed of pump. With the development of the pump, the gas load decreases, stainless steel strong self-priming pump gradually accelerated to the rated speed.

second, adopting mechanical automatic regulating bypass valve. Bypass valve installed in the stainless steel is strong self-priming water pump bypass piping between exports and imports. The differential pressure between the pump control valve of inward and outward, but shall not exceed the rating. When its differential pressure valve open automatically under the effect of pressure difference, make the export of stainless steel is strong self-priming pump and mutual communication between entrance, quickly reduced the pressure differential between the import and export. At this point, the stainless steel is strong self-priming pump with little pressure differential load under the condition of work. When the pressure difference is less than the rating, the valve automatically shut down, by the former by stainless steel strong self-priming pump suction pump. Stainless steel with a bypass the overflow valve is strong self-priming pump can start before the pump at the same time, make the unit operation is simple and convenient.

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