In order to make the 2CY stainless steel gear pump work with a stable pressure and flow, the pump inlet and outlet pipes are provided with buffer tanks. The buffer tank should be pre-charged with nitrogen to a certain pressure. The pre-charge pressure should not be lower than 30% of the maximum working pressure and 80% of the minimum working pressure. How to make 2CY stainless steel "target=_blank> stainless steel gear pump outlet pressure and flow stability in order to make 2CY stainless steel "target=_blank> stainless steel gear pump work with a stable pressure, flow, pump inlet and outlet pipe are equipped with buffer tank . The buffer tank should be pre-charged with nitrogen to a certain pressure. The pre-charge pressure should not be lower than 30% of the maximum working pressure and 80% of the minimum working pressure. Although a higher pre-charge pressure can produce a better cushioning effect, when the pressure drops, pulsation occurs, frequently hitting the bottom of the tank and causing damage to the metal inner parts.
When the working pressure range is large, only the pre-charge pressure is required to 30% to 35% of the maximum working pressure. The pre-charge pressure provided by the pump manufacturer is: the pre-charge pressure of the inlet buffer tank to 80%-90% of the inlet pressure, and the outlet buffer The tank pre-charge pressure is 60% to 65% of the outlet pressure. In the actual diaphragm pump operation, the inlet pipe of the pump vibrates greatly, indicating that the pre-filling pressure of the inlet buffer tank is not suitable. According to the actual situation, after the pre-charge pressure of the inlet buffer tank is lowered to 60%-65% of the inlet pressure, the vibration is immediately eliminated. The pump returns to normal working condition.
2CY stainless steel "target=_blank> stainless steel gear pump during operation, the pressure of the buffer tank will slowly drop due to leakage, etc., when a certain pressure, 2CY stainless steel "target=_blank> stainless steel gear pump appears unstable and accompanied There is abnormal noise, long-term operation under low pressure, and the diaphragm is always in a wide range of fluctuations. Botou Taibang Pump & Valve Manufacturing Co., Ltd. is easy to fatigue the diaphragm and reduce the service life of the diaphragm. To overcome this situation, it is necessary to punch the buffer tank during operation. According to the experience accumulated by 2CY stainless steel "target=_blank> stainless steel gear pump in the commissioning process and normal production, it is decided to stamp the buffer tank during the load operation, and the pressure gauge pointer is stable to achieve the successful pressure. Several tests are carried out. It has achieved good results and guaranteed long-term safe operation.
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Stainless steel gear pump outlet pressure and flow stability "> Edit: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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