Screw compressor is not correct to choose the consequences of frozen oil

screw compressor is high speed rotating machinery equipment, metal in the process of high speed rotating will inevitably produce friction, if there are no isolate the frozen oil, the friction parts of iron direct exposure will make it mutual abrasion, severe cases can make the equipment scrap cannot run. In addition, frozen oil had sealing, cooling and noise reduction effect, therefore, frozen oil is a screw compressor running an important and indispensable auxiliary materials.

for used in the piston compressor, refrigeration oil is daily consumables, consume every day several kilograms ( According to the size of the model and decide) 。 For the screw machine, sealing better, within the machine cycle use, if no leakage, wear less, therefore, change cycle is long. So, although the price is very high, but compared with the piston, the cost is not very high.

frozen oil is a commonly used products, machinery processing technology is not too complicated, reactants, as a result, manufacturers a lot, as a result the quality problem of the natural is inevitable. Combined with the compressor after-sales team on the market much more special, the source of the compressor oil is more elusive.

after-sale service of our customers in the process of maintenance, has found a host to burning accident, the main reason is the use of inferior compressor oil. It turns out that in the period of maintenance, users use inferior oil, the oil change is less than half a year's time, make host scrap, caused production the user more than 20 days, the loss is very big.

refrigeration expert introduction, the main point of lubricating oil screw compressor rotor, rotor generally fall into two single screw and twin screw, from the point of stability and the technology content, high single screw machine; But from the point of view to host the screw part of the requirements, the requirements of the single screw is higher than the double screw. As the market is less understanding of the technology, at present most of the double screw products. Both single screw and twin screw, a screw need high cost, therefore, screw compressor belongs to eat refined grain products. Why do you say that? Piston compressor generally use 19 compressor oil, and screw machine is in commonly 50 ~ 80 compressor oil, even higher than 32 # transformer oil, the price is very high.

there are important, screw compressor according to different models, KFR ( Ground source heat pump water and air cooled screw cold hot water unit) And ChanLengXing ( Such as water cooled screw chiller) The compressor oil is not the same, the KFR compressor oil more expensive than ChanLengXing many;

some after-sales service team to participate in the competition, reduce costs, the maintenance KFR screw machine, commonly used three kinds of schemes, one is to use ChanLengXing compressor oil instead of KFR compressor oil; The second is when the compressor maintenance, due to the internal moisture and impurities, should be an oil change for many times, only to the compressor oil is bright and clean before; And they only replace a compressor oil; Three is inferior oil instead of high quality oil; Damaged compressor reduced life spans and as a result, secondary fault occurring soon.

frozen oil is a screw compressor operation indispensable important auxiliary material, so the screw compressor with frozen oil testing is also very important. By freezing oil detection make the reasonable oil change cycle, can improve the effective use of frozen oil, reduce the enterprise a lot of equipment maintenance cost.

compressor oil suggested replacement cycle is roughly divided into:

air-cooled screw compressor oil change period of 12 months

water source heat pump compressor oil change cycle is: 24 months

water-cooled water chiller compressor oil change cycle is: 36 months

the replacement cycle time is under normal operation time node, every unit and use the unit can adjust itself according to the use of maintenance period.

focus refrigeration 14 years, specializes in authentic frozen oil; If you are in the selection of frozen oil use question, welcome to consult us, unified national hotline: free of charge.

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