Ultra-low temperature freezer refrigerants, is different from ordinary household refrigerator refrigerants, cryogenic refrigerator temperatures for different refrigerant (
Snow)
, so the refrigerant is part of the technology, so the refrigerant formula is the ultra-low temperature freezer manufacturer's confidential information.
ultra-low temperature freezer is mainly used for seafood, biological research, metal processing, hospitals, epidemic prevention system and war industry, scientific research, medical supplies of preservation, biological products, ocean products, electronic components, chemical materials and other special materials experiment and stored at low temperature.
General common cryogenic refrigerator temperature is divided into such as -
40℃、-
60℃、-
86℃、-
150 ℃, etc.
common refrigerants and suitable model is as follows:
1, cryogenic refrigerant R14
main use: R -
14 as a special cryogenic refrigerants, mainly used in cryogenic equipment required temperature is very low,
Including research refrigeration, medical refrigeration, etc. )
, R14 is also the important component of ultra-low temperature with
industrial ice machine.
2, R -
13 refrigerant
R -
13 main use: R -
13 as the widely used cryogenic refrigerants, mainly used in cryogenic refrigerator or freezer, blood bank refrigerators, freeze-drying machine/freeze drying machine, environmental test chamber/equipment (
Hot and cold impact testing machine)
Cryogenic equipment such as, biochemical test chamber (
Including research refrigeration, medical refrigeration, etc. )
That see more used for the cascade refrigeration system of low temperature period.
3 a the methane of cl also can be used as a fire extinguishing agent, etc.
(
Because of the R -
As part of the CFC substances (13
The first batch of limited ODS Class I Ozone -
消耗物质)
—
—
Of the ozone layer destruction, and there is the greenhouse effect, so in the developed countries and some developing countries, have stopped on new refrigeration equipment die erste installation or add on the old equipment]
3 R -
23 cryogenic refrigerant
main use: R -
23 refrigerants, alias R23, fluorine Leon, moviemaker, F - 23
HFC - 23日HFC23
23.
Because of the R -
23 as part of the HFC substances (
The ODS Ozone -
消耗物质)
—
—
So completely does not destroy the ozone layer, is the world's most countries recognized and recommended to use environmental protection refrigerants, is also one of the major environmental protection refrigerants.
4 R -
508 b (
苏瓦95)
Environmental protection refrigerants
R -
508 b is totally do not contain ozone-depleting CFC, as material of environment-friendly azeotropic refrigerants, recognised by the most countries in the world and recommend the mainstream of the cryogenic environmental protection refrigerants, mainly used in environmental test chamber/equipment (
Hot and cold impact testing machine)
, the lyophilizer/freeze dryer, cryogenic refrigerator or freezer, cryogenic equipment such as blood bank refrigerators, biochemical test chamber (
Including research refrigeration, medical refrigeration, etc. )
That see more used for the cascade refrigeration system of low temperature level.
R508B refrigeration temperature can fall to -
80 ℃ or less, is the R - conform to the industrial standard
13日,R -
And R - 503
23 the substitutes for a long time, it is completely adapt to R -
503 working environment.
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