Refrigerant is the blood of the compressor, refrigerant purity of high and low for cold storage refrigeration equipment is particularly important, the most obvious is like: filling the high purity of the refrigerant refrigerator
, the refrigeration effect is obvious, the temperature drop aging fast, refrigerating capacity;
Lower purity of refrigerant not only of any drop in temperature, but also will damage the compressor.
What are the negative effects as refrigerant low purity?
1, high moisture, high acidity and the serious corrosion inside the compressor piping system, causes the compressor internal closed, shorten the service life of the compressor.
Trumpets for 2, easy to leak, refrigeration system, the compressor has been idle, high operating temperature, wear parts, will shorten the service life of the compressor.
3, increase the compressor operating load, increase the consumption of electrical energy, increase spending.
4, the refrigerant of part quality even with a lot of flammable and explosive gas, the serious influence to people's life and property security.
5, refrigeration effect is poor, frequent problems, although filling inferior refrigerant will temporarily feel cold, but the temperature never drops, can not meet the expected effect of refrigeration.
6, the freon refrigerant, once the leak will damage the ozone layer, the survival of humans to the atmosphere caused great harm.
Refrigerant to change a great contribution to human living environment, but the people understanding of refrigerant to stay in a primary stage, think that as long as refrigerant refrigeration.
Actually otherwise, the original factory big manufacturer of refrigerants, sample inspection strictly, excellent purity test instruments, quality assurance.
But a few small dealers, driven to huge profits, the original factory produced after the repackaging the refrigerant of sale, quantity of refrigerant equipment pallet, unable to control refrigerant and air contact space, easy to cause the excess air content in the refrigerant, too much water, and refrigeration equipment for filling after the ice blocking phenomenon.
Refrigeration equipment problems, cause compressor damage, that's really not worth the cost.
Inferior refrigerant will affect system performance and stability, more serious will cause the system components and the damage of the compressor.
Can through the following several kinds of methods to identify whether for inferior refrigerant: 1, whether through formal channels to purchase normal manufacturer production of refrigerants, such as price significantly lower than the market price of refrigerants, should be on high alert.
2, if you have the test conditions, it is recommended to use before the refrigerant to test its purity and acidity, significantly lower than the industry standard for the test result of refrigerant is not recommended.
3, if you do not have refrigerant test conditions, it is recommended to use simple checks before the refrigerant, simple inspection method can be:
Refrigerant cans, inversion, and release a small amount of refrigerant to a piece of white paper, if there is a obvious impurity in white paper or liquid water, poor quality of refrigerant, is not recommended;
Refrigerant, refrigerant cylinder pressure gauge testing, control the temperature and pressure characteristics, test whether the pressure in the bottle in the normal range, such as the abnormal pressure obviously is not recommended.
And the refrigerant used in the middle, can test the pressure in the bottle again, for refrigerant R22 this single component, two bottles of pressure measurement value should be very close to, but for inferior refrigerants, often mixed with a variety of ingredients, refrigerant in bottle after use due to the change of composition usually there will be a large bottle of pressure difference, if encounter this kind of phenomenon, advice immediately stop using the refrigerants, and would like to have filling to the emissions of refrigerant in the system clean to avoid pollution system.
Stage 4, the system debugging work, if find abnormal phenomena as follows: 1)
System refrigeration capacity obviously insufficient and through inspection found no other exceptions need to focus on the condition of the refrigerant;
System dryer filter or expansion valve block, and the blockage is tan wax-like or black sludge need to focus on refrigerant when foreign body;
System during operation, abnormal high and low pressure or temperature (or stop state system balance abnormal pressure
To control the refrigerant temperature and pressure characteristics)
, need to focus on refrigerant.
When these anomalies, Suggestions from the system makes a purity test of refrigerant to screen inferior refrigerant risk.
And in the meantime, it is suggested that the refrigerant compressor side drain or released the refrigerant in the system, in order to avoid potential inferior refrigerant and compressor contact and damage the compressor.
Once found caused by chemical pollution caused by inferior refrigerant compressor fault, unit parts or so had to use the same source in the field of refrigerant units (
Even if the unit can work normally)
Also need to replace the refrigerant.
Because of the effect of dangerous chemicals in the inferior refrigerant is sometimes slow, may result in system failure after a long time.
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