How to deal with after machine leakage fluorine?

to refrigeration unit fluorine first to know the processing of refrigeration unit leakage reasons of fluorine, find the cause of the failure can be reasonable for processing, and reduces the leakage of the refrigeration unit fluorine losses to people.

1, the refrigeration system leak detection point: should make the entire refrigeration system filled with normal refrigeration dose; Main detection refrigeration system are: indoor and outdoor connection pipe joint, the process inlet (outdoor Plunger parts) Every leakage inspection shall not be less than 3 minutes, especially outside the machine stop valve, bell mouth, fixed with nut silk mouth, must use a mirror to observe, the leak detection of here is most important, but more neglected leak detection.

2, the cause of the problem: indoor and outdoor connecting pipe shall not besmear freezing oil. Measures: to repair the bell, the frozen oil evenly in the interior and exterior joint connecting pipe.

3, the cause of the problem: the bell mouth and stop valve surface or within the machine evaporator before the connection is not fixed in the middle of joint, deviation is too big, cause the fastening is not uniform. It is understood that at present our country has become a veritable air conditioner production country. At present, China's household air conditioner industry total production capacity of 26 million units to 33 million units, about a third of total world production; And the refrigeration industry in China fully 'the fluorine', many will make air conditioning, the refrigerant.com/refrigerant-gas' target='_blank'>refrigerator enterprises facing big test cost. Before the implementation of the Montreal protocol multilateral fund project, household refrigeration industry of refrigerators, freezers CFC - should be used in production process 12 as refrigerant, the use of CFC - 11 as insulation foaming agent. All-China environment federation, said in an interview, the head of the production of freon, mostly in the form of some industrial products used refrigerants, so looking for new cfc-free refrigerants, has become an imminent event. As the cold storage of refrigerant also must have a corresponding improvement according to introducing, at present the United States, Japan and other developed countries as cold storage has not ozone-depleting hydrogen fluorine refrigerant hydrocarbon refrigerants as standard product. Maintenance methods: hand bell mouth is first fixed in the center of the joint position, fastening nut fixed at the same time, guarantee the fixed in position.

4, the cause of the problem: the whole machine has funnelled refrigeration system. Treatment measures: check carefully there are oil pipeline; Use tools such as halogen leak detector, or sponge coating machine will not be too thick soap water cooling system pipe, weld parts for leak detection, detection conditions require refrigeration system, nitrogen, or fluorine filling leak detection in an all-round way, find out funnelled in turn.

5, the cause of the problem: the connecting pipe outside side not fixed measures, to loosen the bell mouth fixation. Maintenance methods: to repair the bell, the connecting pipe fixed tightly.

6, the cause of the problem: the bell mouth making bad leakage caused by fluorine: bell mouth edge overlap; Flaring before cutting connecting pipe appear skewed; Connection caused by uneven thickness bell made wall thickness is not uniform; Bell mouth size is too small or too large; The lining of chip; Flaring a burr; Bell mouth tear; Bell the wound. Measures: flaring process in strict accordance with the requirements of production bell, bell form the surface is smooth, uniform, avoid squeeze out a small bell mouth sealing surface is too small; Connection GuanPing straight, it is forbidden to use without finishing bending uneven expansion of connection pipe system bell mouth.

7, the cause of the problem: indoor and outdoor connecting line is good after, to bind up or adjust the line to the position, the fixed bell mouth loose. Maintenance methods: to repair the bell mouth and tighten. First of all, before not tighten bell adjust connecting pipe to reach the designated position, then tighten the bell mouth.

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