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Precautions for the use and maintenance of UHB-ZK Chemical Centrifugal Pump

Precautions for the use and maintenance of UHB-ZK Chemical Centrifugal Pump

(Summary description)In order to ensure the safe operation of the UHB-ZK Chemical Centrifugal Pump, necessary inspections should be done before starting up: first slowly turn the coupling or pulley by hand, and observe whether the UHB-ZK Chemical Centrifugal Pump rotates correctly, rotates flexibly and smoothly, and there is something inside the pump.

Precautions for the use and maintenance of UHB-ZK Chemical Centrifugal Pump

(Summary description)In order to ensure the safe operation of the UHB-ZK Chemical Centrifugal Pump, necessary inspections should be done before starting up: first slowly turn the coupling or pulley by hand, and observe whether the UHB-ZK Chemical Centrifugal Pump rotates correctly, rotates flexibly and smoothly, and there is something inside the pump.

Information

1. Preparation before starting
In order to ensure the safe operation of the UHB-ZK Chemical Centrifugal Pump, necessary inspections should be done before starting up: first slowly turn the coupling or pulley by hand, and observe whether the UHB-ZK Chemical Centrifugal Pump rotates correctly, rotates flexibly and smoothly, and there is something inside the pump. No debris, whether the bearing is running normally, and the belt tightness is appropriate; check whether all the screws are firm; check whether there is any debris around the unit that hinders the operation; check whether the suction pipe is sufficiently submerged; if there is a water outlet valve, close it to reduce the starting load , And pay attention to opening the valve in time after starting.

UHB-ZK Chemical Centrifugal Pump

2. Check during operation
After starting up, check whether the various instruments are working normally and stably, and the current should not exceed the rated value. The pointer of the pressure gauge should be within the design range; check whether the water output of UHB-ZK Chemical Centrifugal Pump is normal, check whether each part of the unit leaks; check the packing tightness, usually there should be a small amount of leakage at the packing (not more than 10~ per minute 20 drops), the leakage of the mechanical seal should not be greater than 10 ml/h (about 3 drops per minute); the temperature of the rolling bearing should not be higher than 75°C; the temperature of the sliding bearing should not be higher than 70°C. And pay attention to whether there are abnormal noises, abnormal vibrations, and reduced water output; adjust the submerged depth of the inlet pipe in time; frequently clean up floating objects on the trash rack; if it is driven by a belt, pay attention to whether the belt is slipping.

3. Precautions after and after shutdown
Before shutting down, the water outlet valve should be closed before shutting down to prevent water backflow and damage to the parts; after each shutdown, the oil stains on the pump body and pipeline should be cleaned in time to keep the appearance of the unit clean, and hidden dangers should be discovered in time; after the shutdown in winter, The water should be drained immediately to prevent freezing and cracking of the pump body and internal parts; necessary maintenance should be carried out after the use season is over.

4. Periodic inspection of UHB-ZK Chemical Centrifugal Pump
    The periodic inspection of UHB-ZK Chemical Centrifugal Pump can generally be divided into the following three types: 1) Daily inspection, that is, the inspection in use, as described above; 2) Monthly inspection, cleaning the appearance of the equipment without disassembling parts And minor repairs, including inspections of bearing temperature, shaft seal leakage reasons and motor insulation; 3) regular inspections and repairs.

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