Ningbo pump manufacturers information: check the correct way of rotary vane vacuum pump

Ningbo pump manufacturers information: check the rotary vane vacuum pump water pump manufacturer to tell you the correct way to ningbo should be how to check 1, rotary vane vacuum pumps, rotary vane vacuum pump equipment lubrication system in good condition, lubricating oil quality conform to the requirements of the rules, and regularly check to an oil change. 2, main technical performance (rotary vane vacuum pumps, Vacuum degree, etc. ) To meet the design requirements or meet the process requirements, ancillary equipment ( Condenser, etc. ) Is complete; Equipment running smoothly, sound is normal, no overheating phenomenon, enclosed is good. 3, all kinds of instrument, Such as vacuum gauge, etc. ) Indicated value correctly, and regularly check; The valve opening and closing flexible, good sealing, no leakage phenomenon; Pipeline without leakage, and check on a regular basis. 4, motor equipped with reasonable, running normally, Normal temperature rise and noise) , safe and reliable electrical wiring, earthing protection, electrical devices, Control cabinet) Reliable, electrical instrumentation instructions correct; Complete safety protection device. 5, water ring vacuum pump cooling system running normally, cooling equipment in good condition, water temperature is less than required, should be with water protection device. Is generally used in the working liquid water. Effect on the rotor of the energy it receives and liquid to the compressed gas, thus cause the temperature of water ring. Water ring part of the water and gas compressed together out of the water pump. The most of the heat generated in the process of compression was taken. So need to continually added fresh water, to make the working temperature of water ring pump to maintain a constant. In most of the water ring vacuum pump, the working temperature of about 15 20 ℃, it depends on the supply water temperature. In fact, the limit of water ring water pump pressure is not very important, because of different liquid, are less than 50 - pressure When 60 hpa, cavitation phenomenon happens, pump parts will be damaged. When the pump pressure close to the limit, low pumping speed, the entrance to pump water began to boil. When transferred to the pump export, bubble formation began to break down. This will make a big noise, at the same time, the driving wheels of the water pump and pump chamber parts be destroyed gradually. This phenomenon is often referred to as the cavitation phenomenon. Once the cavitation phenomenon, by introducing a small amount of small valve of fresh air. In this case, a small hole on the entrance road, in order to add some fresh quantitatively other, if you are using a gas injector, won't produce the phenomenon of cavitation. 6, equipment and facilities clean and tidy of the cooling system, no rust.
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