With the development of industry and the accompanying pollution to the earth becoming more and more serious, environmental protection has become an important issue of global concern, and the prevention of atmospheric ozone layer destruction and global warming has attracted widespread attention from countries around the world. The environmental test industry is to simulate the various climates of nature, so that the tested samples can perceive the environment to predict the life. Usually, customers have mentioned whether your high and low temperature test chamber, constant temperature and humidity test chamber refrigerant is environmentally friendly, your How to exclude ozone in the ozone aging test box, whether the ultraviolet rays in the ultraviolet aging test box have been filtered, and whether the emissions of the sulfur dioxide test box comply with the ISO14000 environmental certification requirements, etc. The test box manufacturing industry also faces a problem that has to be paid attention to, namely, " Environmental protection ".
In the manufacture of high and low temperature test chambers, the destruction of the atmospheric ozone layer by CFCS and HFCCS in the field of refrigeration and air conditioning and the global warming caused by energy consumption are all issues that should be highly valued in the design of the test chamber. It is well known that the choice of refrigerant It is one of the many factors that should affect the design of the refrigeration unit. In order to develop a new compressor using alternative refrigerants, the designer first encountered two problems:
First, the compressor must redefine the size of its working volume to meet the pressure requirements of different flows;
Second, the compatibility between the various materials in contact with the refrigerant in the compressor, such as synthetic rubber and lubricating oil, must be addressed.
Environmental protection requirements that must be mentioned in the high and low temperature test chamber
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