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Laboratory Ultra-low Temperature Equipment

Laboratory Ultra-low Temperature Equipment

Summary Introduction

Ultra-low temperature equipment is a kind of equipment that can create extremely low temperature, which is widely used in scientific research, medical treatment, industry and other fields. Ultra-low temperature equipment works by circulating refrigerant to lower the air temperature to negative degrees. The type of refrigerant used and the amount of refrigeration depends on the requirement of low temperature and the type of refrigeration equipment. As a rule, the lower the refrigeration has to be, the more complex and expensive the refrigerant used.
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Detailed introduction

Ultra-low temperature equipment is a kind of equipment that can create extremely low temperature, which is widely used in scientific research, medical treatment, industry and other fields. Ultra-low temperature equipment works by circulating refrigerant to lower the air temperature to negative degrees. The type of refrigerant used and the amount of refrigeration depends on the requirement of low temperature and the type of refrigeration equipment. As a rule, the lower the refrigeration has to be, the more complex and expensive the refrigerant used.

Laboratory ultra-low temperature circulators work by circulating a refrigerant to reduce the temperature of a liquid or gas to a very low temperature. Specifically, the laboratory ultra-low temperature circulator consists of a compressor, condenser, expansion valve, evaporator, piping, etc. The compressor compresses the refrigerant into a high-pressure gas, then cools the high-pressure gas into a high-pressure liquid through a condenser, the expansion valve expands the high-pressure liquid into a low-pressure liquid, and then evaporates the low-pressure liquid into a low-temperature vapour through an evaporator, so as to reduce the temperature of the liquid or gas to the required ultra-low temperature.

Ultra-low temperature equipment has a wide range of applications. For example, in the field of scientific research, ultra-low temperature equipment can be used for nuclear magnetic resonance (NMR) experiments, electron microscope (TEM) experiments, cold part of the subexperiment, etc.; in the medical field, the ultra-low temperature equipment can be used in biological preservation, such as frozen embryos, blood product storage, etc.; in the industrial field, ultra-low temperature equipment can be used in the manufacture of semiconductors, gas liquefaction and other industries. What needs special attention when using ultra-low temperature equipment is the safety issue. These equipments need to consume a large amount of electricity and refrigerant when working, and there may be gas leakage problems during operation, which may have an impact on the environment. Therefore, it is necessary to comply with the relevant regulations and standards and take protective measures when using them.

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