Is Freon (refrigerant) harmful to people?

Freon is one of the refrigerants. It was called in the early days. Later, because of the serious destruction of ozone by Freon, the world is resisting the use and research and development of Freon. Later, they were collectively referred to as 'refrigerantsTherefore, whether there is any harm to the human body has always been a topic of particular concern to everyone. Let's study together.

As we all know, Freon is the general term for halogen derivatives of saturated hydrocarbons (hydrocarbons). As a type of refrigerant that appeared in the 1930s, it solved the problem that the refrigeration and air-conditioning industry was 'unsatisfied' for refrigerants at that time. The reason why Freon destroys the ozone layer is because of the presence of chlorine in the refrigerant. It is chemically stable and will not decompose in the troposphere. Because the density is smaller than air, it will fly to the stratosphere. In the stratosphere, it is exposed to ultraviolet rays and contains chlorine. The chlorine atoms in the Freon will separate in the stratosphere and react with ozone molecules to generate chlorine oxide and oxygen molecules. Chlorine oxide can interact with ozone to regenerate chlorine atoms and oxygen molecules. This is repeated continuously, so that a large amount of ozone is destroyed. However, many environmentally friendly refrigerants in the current refrigerants do not contain chlorine elements and cannot produce this chemical reaction. The degree of damage will not be as great as previously imagined.

Taking r410a refrigerant as an example, it is a new type of environmentally friendly refrigerant that does not destroy the ozone layer. The working pressure is about 1.6 times that of ordinary R22 air conditioners, and the cooling (heating) efficiency is high. , Improve air-conditioning performance without destroying the ozone layer. , It has the characteristics of stability, non-toxicity and superior performance. At the same time, since it does not contain chlorine, it will not react with ozone, that is, it will not destroy the ozone layer. Once leaked, if there is no open flame, it will generally not cause harm to the human body. And the refrigerants used in air conditioning are non-toxic. When a person inhales a large amount, there will be mild upper respiratory tract irritation, but it will not affect the respiratory tract.

So for refrigerants, many people who do not understand will be particularly worried about whether there will be other problems after exposure. More than 90% of the refrigerants currently used are It is extremely safe, of course, it must be purchased according to a regular business.

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