空壓機選擇的基本準則有三條

，導致事故的發(fā)生。大于0.8MPA的空壓機一般要特別制造，不可強行增壓？諌簷C氣量的選擇要匹配所需的排氣量(并留有百分之十的余量)，空壓機最重要的參數(shù)之一就是排氣量。
There are three basic criteria for selecting an air compressor: reliability, safety, and economy. 1、 The operating environment and conditions of the machine. When there is no water supply on the site and the site is small, choose a vertical air compressor; If there are long-distance changes to the site (exceeding 500 meters), mobile air compressors must be considered; If the site cannot be powered, air-cooled must be selected. Customers often mistakenly believe that water-cooled is better, but in fact, in domestic and foreign small air compressors, air-cooled accounts for more than 90%. The reason is that the air-cooled air compressor is more concise in design and does not require water sources. The water-cooled air compressor must have a complete water supply system and a large investment; The service life of the water cooler is relatively short; Excessive waste of water resources during operation; Cylinder damage is prone to freezing in winter in the north. 2、 The quality of compressed air required. General air compressors contain a certain amount of lubricating oil and moisture. In situations where oil and water are prohibited, it is not only necessary to pay attention to the selection of air compressors, but also to add auxiliary devices when necessary. At this point, an oil-free air compressor can be selected. Oil free air compressors are basically oil-free, but their lubrication is poor, resulting in a high failure rate; This type of air compressor cannot be used in the food and pharmaceutical industry because it contains polytetrafluoroethylene. Oil free air compressors can only be oil-free, but cannot be water free. A purification device or dryer can also be added after the air compressor, which can make the air compressor free of oil and water, and keep the oil and water content below 5ppm. 3、 Exhaust pressure and Engine displacement of air compressor. The commonly used air compressors have exhaust pressures of 0.7MPA and 0.8MPA. Currently, there are also air compressors with exhaust pressures of 0.5MPA in society, and the gas transmission distance is too close. This type of air compressor is a first stage compression, and if the pressure ratio is too high, the exhaust temperature may be too high, causing carbon deposition in the cylinder and leading to accidents. Air compressors larger than 0.8MPA generally need to be specially manufactured and cannot be forcibly pressurized. The air volume of the air compressor shall be selected to match the required Engine displacement (with a margin of 10%). One of the most important parameters of the air compressor is the Engine