Compressor is the "heart" of refrigeration system industry equipment ushering in "standardized" development

[ Focus on Chemical Machinery Equipment Network ] Compressor is a kind of high-pressure gas that elevates low-pressure gas to high-pressure gas, that is, discharges high-temperature and high-pressure refrigerant gas to the exhaust pipe to provide power for the refrigeration cycle.
Chain fresh-keeping facilities and the "heart" of the refrigeration system equipped
.
Among them, Roots-type steam compressors have been quickly applied in refrigeration systems because of their medium heating surface load, small temperature difference, stable operation, low energy consumption, environmental protection and energy saving
.

 Chemical machinery equipment network hotspots focus on chemical machinery equipment compressors
Many people are familiar with the compressor.
It is a driven fluid machine that elevates low-pressure gas to high-pressure gas, provides power for the refrigeration cycle, and is regarded as the "heart" of the refrigeration system
.
Compressors are used in cold-chain logistics infrastructure such as cold storage, cold storage, and refrigerated trucks, and cold storage equipment such as cold storage, cold storage, and refrigerators, as well as air-conditioning
.
The compressor of the refrigeration equipment compresses the low-pressure and low-temperature refrigerant vapor into high-pressure and high-temperature superheated vapor to create conditions for condensation at a higher temperature, transport and push the refrigerant to flow in the system, and complete the refrigeration cycle
.

 Refrigeration equipment
　　Accompanied by environmental protection, economic development and the progress of new technologies, the development of the refrigeration system industry has been actively promoted
.
As the core components of refrigeration system equipment and air conditioning equipment such as cold chain logistics equipment, refrigeration and preservation equipment, refrigeration compressors have a wide range of market demands and have maintained a steady growth trend
.
Currently, there are many types of compressors, including centrifugal compressors, screw compressors, piston compressors, linear compressors, scroll compressors, rotary compressors, and steam compressors
.

 
　　Screw compressors are generally used in large commercial and industrial systems
.
Scroll compressors and rotary compressors are mainly used in household and small-capacity commercial air-conditioning devices, while centrifugal compressors are widely used in air-conditioning systems in large buildings
.
For cold storage equipment such as cold drink cabinets, refrigerators, and refrigerators, medium back pressure compressors (evaporating temperature -20 ℃-0 ℃) are often used, and low back pressure compressors are used for food freezers, household refrigerators, etc.
(Evaporation temperature -35 ℃ to -15 ℃)
.

 
　　Roots-type steam compressor is the key equipment for heat recovery system to increase the temperature and pressure of steam by compressing the steam produced.
It is mainly to pressurize low-pressure (or low-temperature) steam to achieve the required process or engineering.
Temperature and pressure requirements
.
In the evaporation industry, it is often operated in the vacuum range.
When the heating surface load is medium and the temperature difference is small, centrifugal and Roots compressors are usually used, which have stable performance, low energy consumption, environmental protection and energy saving
.

 
　　In order to better meet the technical development and production needs of China’s Roots-type steam compressors, fully reflect industry progress and development trends, comply with national energy conservation and environmental protection industry policies, and promote the improvement of industry equipment levels, the China Machinery Industry Standardization Technology Association recently proposed And under the jurisdiction, Zhangqiu Fengyuan Machinery Co.
, Ltd.
, Changsha Blower Factory Co.
, Ltd.
, Shandong Sanniu Machinery Co.
, Ltd.
, Sichuan Dayu Mechanical Seal Manufacturing Co.
, Ltd.
and many other units jointly compiled the "Roots Type Steam Compressor" group standard
.

 
　　Similar to most group standards, the group standard of "Roots Type Steam Compressor" mainly stipulates the requirements, test methods, inspection rules, packaging and preservation of Roots Type Steam Compressors, and its contents are in line with relevant domestic technical standards.
And the requirements of relevant national laws and regulations
.
In addition, this standard is only applicable to Roots-type steam compressors (hereinafter referred to as steam compressors) for conveying steam.
The content of solid particles in the gas is not more than 100mg/m3, and the maximum size of the particles is not more than the relative moving parts in the cylinder of the vapor compressor.
1/2 of the minimum working gap
.

 
　　Under the situation of insufficient supply of domestic compressors, China still needs to import a moderate amount of compressors from foreign countries to meet market demand.
The substantial improvement also breaks the previous situation of relying solely on imported compressors
.
The formulation and implementation of the group standard of "Roots Steam Compressor" may better regulate domestic equipment production, further improve the technical level and quality of compressors, and further enhance the international market for China's Roots Steam Compressor products.
Competitiveness creates conditions
.

 
　　Original title: Compressor is the "heart" of refrigeration system industry equipment ushering in "standardized" development