Commonly used air compressors are mostly oil-lubricated. The temperature of the compressed air discharged is generally about 40 ° C ~ 170 ° C, so that the moisture in the inhaled air and part of the lubricating oil become gaseous, mixed with the inhaled dust, forming oil vapor, water vapor Mixture of dust—that is, impurities, which can cause corrosion, rust, wear, and increase the air resistance or malfunction of the pneumatic system.
Because the compressed air used in the pneumatic system of the slab automatic flame Cutting Machine contains too much moisture, the service life of the gas source triplet is short, the solenoid valve is not working well, and the cylinder life is short. One gas will be replaced in one month. Source triplet, 2 to 4 solenoid valves, 1 to 2 cylinders.
According to the piping design requirements of the pneumatic system, the main pipeline inside the workshop should be laid down along the wall or along the flow direction of the column by 3 to 5°, and the water collection pipe (tank) should be set at the end of the main pipe and the branch pipe (the lowest point). Water, dirt, and the slab automatic flame cutting machine pneumatic system does not have a water collection tank. We chose a pressure vessel with an inner diameter of 200mm and a length of 600mm as the water collecting tank and set it at the lowest point of the system. Its structure is shown in Figure 3. This allows the moisture and impurities in the compressed air to be deposited here. The components provide cleaner compressed air. With such a large collection tank, it can be drained for 1 month. After the transformation, good results were achieved through two years of operation. Only one gas source triplet, one or two solenoid valves, and two cylinders were replaced in one year.
韶Slab caster automatic flame cutting machine pneumatic system put into operation for 4 years, after a series of technical transformations, solved the above two main problems of the system, so that the system can fully meet the current slab caster Rhythm, full load production requirements. In 1999, the annual output of slag slab exceeded 420,000 tons, and there was no impact on production due to pneumatic system failure, indicating that the above technical transformation was successful.
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