search

General operation of pumps

Time of Release:

2022-04-15

Adjust the working point of the pump to ensure that it operates in the effective area. During operation, the effective NPSH at the pump inlet should be greater than the specified NPSH of the pump, or the inlet water level should not be lower than the specified low water level.

General operation of pumps

(1) The operator is familiar with the characteristics, parameters, and status of the operating pump, and proficient in operation.
(2) Adjust the working point of the pump to ensure that it operates in the effective area.
(3) During operation, the effective NPSH at the pump inlet should be greater than the specified NPSH of the pump, or the inlet water level should not be lower than the specified low water level.
(4) When the outlet valve of the pump is closed, the continuous working time of the centrifugal pump and mixed flow pump should not exceed 3 minutes, and the motor power exceeding 110 kW should not exceed 5 minutes.
(5) The temperature rise of pump bearings should not exceed 35 ° C, the temperature of ball or roller bearings should not exceed 75 ° C, and the temperature of sliding bearings should not exceed 70 ° C.
(6) The water pump packaging room should have water droplets. There should be 30 to 60 drops per minute.
(7) The temperature rise of the cooling water in the bearing cooling box should not exceed LO ° C, and the inlet water temperature should not exceed 28 ° C.

 


Wechat

微信公众号

Xinjiuyang Machinery Manufacturing

Tel:0510-82626616  82621886  83582816
Fax:0510-83582886
E-mail:nanling139@163.com
Address:No.11 Xinghuo Road, Qianzhou Industrial Park, Huishan District, Wuxi City


Copyright © 2022 Xinjiuyang Machinery Manufacturing

Xinjiuyang