空压机必备的基础知识(国外英文资料).docVIP

空压机必备的基础知识(国外英文资料) Necessary basic knowledge of air compressor The definition of the compressor: A: definition of a compressor: a machine for pressurizing gases and for sending gases continuously. The relation between the volume and pressure of gas is as follows: V1 * P1=V2 * P2 T1 T2 V: volume, P: pressure (absolute pressure) T: temperature (absolute temperature) The volume is inversely proportional to the pressure, and when the volume turns to the original 1/2, the pressure is 2 times that of the original B re recognize the air compressor by the definition of compressor An air compressor can be understood as a machine for producing compressed air to provide compressed air for on-site work. Therefore, we must consider the characteristics of compressed air, that is to say, the standard of compressed air used for work is very important. The compressed air force - pressure The amount of air - compressed air Quality -- technical standard of compressed air (including cleanliness, dryness, etc.) The manufacturing cost of compressed air - air compressor efficiency Air compressor operation ---- (energy) Regular maintenance cost ---- air compressor ---- air compressor maintenance fee C, compression method (1) isothermal compression: when the gas is compressed, the mechanical energy is converted into heat energy, which causes the gas temperature to rise. The energy is taken away from the outside at once, and the temperature is always kept constant. P1.V1=P2.V2 (2) adiabatic compression: an adiabatic method that neither heats nor takes heat away from the outside. (3) compression of multilateral curves (the actual compression method): it is a method of compressing the heat produced by a part of the heat exchange, which is different from that of the isothermal and adiabatic compression. 2. Classification of compressors: A, classified by compression method: Displacement type: (1) reciprocating: oil lubrication, oil-free lubrication (2) rotary type: screw type (oil lubrication, o