Use freon refrigerant matters needing attention

freon, is a kind of air conditioning refrigerant, although the safe non-toxic refrigerant freon, but people all know freon also has certain risk, the harm of freon refrigerant is a lot of people don't have, you will need to have a correct understanding, freon refrigerant at the same time should pay attention to what, used correctly, can reduce the harm.

a, the characteristics of freon refrigerant

freon is a commonly used high, medium and low temperature refrigerant, it is colorless, tasteless, not burning, not explode, stable chemical performance, non-toxic. Freon refrigeration temperature can adapt to different requirements, can manufacture - is the minimum evaporation temperature 120℃。 Freon to different levels of soluble lubricating oil, is not easy to form the oil film in the system, little impact on heat transfer. At the same time, freon refrigerating unit of substance is considered in the design of alternative questions, namely in the use of new working medium, no need to change to the system. Freon refrigerant is a series of saturated hydrocarbons and chlorine, bromine azeotrope. Common freon include R11, R22, R507, everything, r404a, etc. , in which everything with R404A damage of atmospheric ozone layer is not environmentally friendly refrigerant.

2, the harm of freon refrigerant?

freon gas will replace oxygen in the air. The gas in most stranded at lower and ventilated not free, cause severe hypoxia environment, in the environment or the residence time is too long, can cause suffocation freon encounter with open flame out from lack of oxygen and under the effect of moisture at the same time, can rapidly decompose generate phosgene, nitrogen, fluoride acid, hydrochloric acid, chlorine gas, carbon monoxide and other poisonous and harmful gases. Freon is considered, but the mixed with air at a certain concentration, can lead to people also happened suffocation accidents of death or serious injury by freon 113 gas has a sweet taste.

three, use freon refrigerant, storage should pay attention to?

1, the refrigerant for low-pressure liquefied gas, the refrigerant containers belong to the second class pressure vessel, if filling, management, and improper use, easy to accidents. Therefore, in the filling, transportation, storage and use, must comply with the relevant provisions.

2, cheng fang refrigerant cylinders must pass a test, to ensure that can withstand the pressure. Defective appearance, can guarantee security or the expiration of the period for inspection container, filling is allowed. When filling refrigerant, does not allow more than safe filling quantity.

3, during transportation and storage, containing refrigerant cylinders should prevent sun point-blank, and exposure, and shall not be close to the heat source and the impact.

4, the cylinder on the control valve of the commonly used a cap or iron cover to protect it, after use must take off the cap or iron cover remounted, in case in the process of handling damage by impact.

5, when when the cylinder valve is frozen, it is forbidden to use fire roasted, and should be moved to a warmer place or with lukewarm thaw.

6, when the refrigerant used up in the cylinder, should immediately close the control valve, so as not to leak into the air or water.

7, refrigerant should avoid touching the skin, can't touch the eyes.

8, found a large number of osmotic quantity refrigerants, must open the doors and Windows, otherwise it will cause suffocation.

the dangers of freon refrigerant is actually pretty big, but when people freon when the choose and buy, be sure to pay attention to brand, good freon in use will be more at ease, less damage.

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