Screw-compression piston-pressurization air-cooled integrated air compressor

Abstract

The invention discloses a screw-compression piston-pressurization air-cooled integrated air compressor. According to the technical scheme of the screw-compression piston-pressurization air-cooled integrated air compressor, the screw-compression piston-pressurization air-cooled integrated air compressor is characterized by comprising an air filter, a screw compression air cylinder, a first oil-air separator, a first cooler, a dual air-liquid separator, a piston compression air cylinder, a second cooler, a first driving mechanism, a second driving mechanism and a cooling fan, wherein an air inlet end of the screw compression air cylinder is connected with an air exhaust end of the air filter; an air inlet end of the first oil-air separator is connected with an air exhaust end of the screw compression air cylinder; an air inlet end of the first cooler is connected with an air exhaust end of the first oil-air separator; an air inlet end of the dual air-liquid separator is connected with an air exhaust end of the first cooler; an air inlet end of the piston compression air cylinder is connected with an air exhaust end of the dual air-liquid separator; an air inlet end of the second cooler is connected with an air exhaust end of the piston compression air cylinder; the first driving mechanism is used for driving the screw compression air cylinder to carry out air primary compression; the second driving mechanism is used for driving the piston compression air cylinder to carry out air pressurization compression; the cooling fan is used for carrying out air-cooled heat radiation on the first cooler and the second cooler in sequence.

Description

【Technical field】 [0001] The invention relates to a screw compression piston pressurized and air-cooled integrated air compressor. 【Background technique】 [0002] There are many types of air compressors. In some industries, medium and high pressure air sources are required. For example, in the production of PET bottle blowing, when testing the performance of valves, multi-stage pressurization is often used for air compression. The exhaust temperature of the final air is too high, some exhaust temperatures are as high as 200°C, and the noise during operation reaches more than 80 decibels. The lubricating oil used in the process of compressing air will produce carbon deposits under such high temperature conditions. When compressed When a lot of carbon deposits are generated at the exhaust valve and exhaust pipe of the engine, the exhaust valve will not move flexibly and close tightly, causing the exhaust gas to flow back into the cylinder and be compressed repeatedly (that is,...

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Problems solved by technology

[0002] There are many types of air compressors. In some industries, medium and high pressure air sources are required. For example, in the production of PET bottle blowing, when testing the performance of valves, multi-stage pressurization is often used for air compression. The exhaust temperature of the final air is too high, some exhaust temperatures are as high as 200°C, and the noise during operation reaches more than 80 decibels. The lubricating oil used in the process of compressing air will produce carbon deposits under such high temperature conditions. When compressed When a lot of carbon deposits are generated at the exhaust valve and exhaust pipe of the engine, the exhaust valve will not move flexibly and close tightly, causing the exhaust gas to flow back into the cylinder and be compressed repeatedly (that is, secondary compression), causing the gas temperature to rapidly increase. As the gas temperature rises, the high gas temperature intensifies the oxidation reaction of lubricating oil, and the reaction heat cannot be released in time, so that the gas temperature in the exhaust pipe continues to rise. When the temperature reaches the spontaneous ignition point of lubricating oil, the lubricating oil accumulated in carbon deposits Oil may even burn, incomplete combustion products, thermal decomposition products of oil, oil mist and air in the gas form an explosive gas, which may also cause an explosion

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