The specific use of air compressors in various industries

Air compressors are used in energy, textiles, steel, dairy products, pharmaceuticals, breathing, diving, fire protection, electronics, machinery, equipment, automobiles, packaging, printing, toys, chemicals, energy, glass, environmental protection, hardware, PET blowing Bottle, shipping, medicine, etc.

1. Compressed air as power:

A total of all kinds of pneumatic machinery are driven. The exhaust pressure of pneumatic tools is 7-8kg/cm2, which is used to adjust instruments and automatic devices. The pressure is about 6kg/cm2, the vehicle is automatic, the doors and windows are opened and closed, the pressure is 2-4kg/cm2, the stirring pressure in the pharmaceutical industry and brewing industry is 4kg/cm2, and the weft blowing pressure in the air jet loom is 1-2kg/cm2, the starting pressure of medium and large engines is 25~60kg/cm2, the pressure of oil well fracturing is 150kg/cm2, the pressure of "secondary method" oil recovery is about 50kg/cm2, and the pressure of high-pressure blasting coal mining is about It is 800kg/square centimeter, and the pressure compressed air in the aerospace industry is its power. The ups and downs of submarines, the firing and driving of torpedoes, and the salvage of sunken ships are all powered by compressed gases at different pressures.

2. Compressed gas is used for refrigeration and gas separation:

gas is liquefied by compression, cooling, expansion, and used for mechanical refrigeration such as ammonia or freon compressors. Its compression pressure is mostly 8 to 12kg/square centimeter, and this type of compressor is usually called a "refrigerator" or "ice machine". In addition to the liquefied gas, if it is a mixed gas, the components can be separated separately in the separation device to give qualified purity of various gases. Such as air liquefaction can be obtained after separation of pure oxygen, pure nitrogen, and pure xenon, krypton, argon, helium and other combustible gas.

3. Compressed gas for synthesis and polymerization:

in the chemical industry, gas compression to high pressure, often favorable synthesis and polymerization. For example, ammonia is synthesized from nitrogen and hydrogen, methanol is generated from hydrogen and carbon dioxide, and urea is synthesized from carbon dioxide and ammonia. In the chemical industry, for example, the pressure of high-pressure polyethylene reaches 1500 to 3200kg/cm2.

4, compressed gas is difficult about oil hydrogenation refining:

in the petroleum industry, hydrogen is heated by traditional methods and reacted with oil after pressurization, which can crack the heavy components of hydrocarbons into light components of hydrocarbon oxides, such as the lightness of heavy oil and the hydrogenation of lubricating oil.

5. Gas delivery:

the pressure of a compressor used to pipe air depends on the length of the pipeline. When sending remote gas, the pressure is 230kg/cm2. Chlorine bottling pressure is 10~15kg/square centimeter, carbon dioxide bottling pressure is 50~60kg/square centimeter.