First, the impact of water and fault is sucked wet air compressor, after the formation of the cooling. The element of water of pneumatic device rust, influence of pneumatic components action. The effects of water are as follows: 1. The pipe. Internal cause conduit rust; Pipeline corrosion, cause air leakage, containers burst; Pipe bottom stop moisture cause air flow is insufficient, the loss of pressure increased. 2. Components. Pipe rust, accelerate the filter mesh jams, make the filter can't work; Tube into the internal valve rust crumbs, cause action is bad, the air leakage; Rust flocks make components bite, not running; Directly influence the dynamic components of gas parts, cause conversion is bad, the air leakage and action is not stable; Water droplets into actuators internal, cause adverse action; Water droplets into internal components, that can't running; Flushing lubrication oil droplets, embellish smooth is bad, the valve actuation failure, executive element doesn't operate stability; Stranded in the valve caused by insufficient water flow rate, pressure loss increases; Water attack occurred phenomenon caused damage components. 3. The environment. From vent outside of the water discharge to release, environmental pollution. Water can be used by the failure of the fault the processing method is in addition to water, namely compressor export temperature down to about so that the water cut, the paper analyses the water drop, and ruled out. Therefore, in the press machine should be set and shrinkage after installation cooler and separator, compressor population installed air filters. Horizontal line have certain Angle, in the low end of the drain valve installation. Export installation dryer. Can be used in addition to the water measures as follows. A. adsorption in addition to water: adsorption ability strong material with water adsorption, such as using silica gel, aluminum adhesive and molecular sieve etal were b, pressure water removal: increased pressure, make reduced in size, reduce the temperature, and water separation. C. machinery in addition to water: with mechanical block, and the whirlwind separation in addition to water. D. frozen in addition to water: with refrigeration equipment make air cooling to the dew point, make water vapor condenses into water separation.

Second, the impact of the oil and fault compressor lubricant oil mist on mixed in with compressed air, and undergo heat with compressed air sent out together, is compressed air the cause of the oil. The influence of oil are as follows: 1. The sealing ring deformation. Sealing ring contraction, air leakage valve movement failure, actuators output force is insufficient; Sealing ring bubble oil swell, friction increases, the valve can't action or actuators output force is insufficient; Sealing ring atherosclerosis, the friction surface wear, air leakage increases; Friction increases, valves and execution element action is poor. 2. The environment. The raw materials of industry chemicals direct contact with the air of the raw chemical properties place changes; Industrial furnace direct contact with the flame places such as fire danger; Use the air measuring instrument for the nozzle of the jam and failure; Calls for extreme avoid oil environment, due to valve and actuators seal part of the oil leak caused by environmental pollution, the removal of the method is to use oily oil removal filter. For example, using centrifugal filter except oil mist particles, with active carbon adsorption with more hole filter or oil removal.

Third, the effects of dust and fault compressor with dust and the air inhaled into pneumatic device, cause pneumatic components friction, damage and increase friction. The effects of dust are as follows: 1. The control elements. The control elements friction and wear and jammed, action failure and can't reversing; Influence the stability of the surge. 2. Actuators. Friction and wear and execution element jammed, action failure; Reduce output force. 3. The amplifier has a pneumatic components of throttling. Make jet flapper throttling hole congestion, pollution and for failure, dust removal method is in the compressor suction mouth installed air filter, into the pneumatic device before the use of air filter, to filter regularly clean or replace.