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Scope of application of environmentally friendly shot blasting room and sand blasting room; it is suitable for surface treatment of small and medium-sized metal workpieces, such as billet parts, casting parts, welded parts, heat treatment parts, steel structures, containers, transformer shells, and shaped parts. Pneumatic recycling sand blasting room system is suitable for sand blasting rust removal and shot peening treatment of large steel structures and surfaces before painting in aviation, military, shipbuilding industry, engineering machinery, petrochemical machinery, water conservancy machinery and bridge components, large speed structure factories, rolling stock factories, mining equipment factories, electric power equipment factories, large electric motor factories, large pump and valve factories, etc. The sand blasting treatment can completely clear the surface of workpieces and remove the rust and shot peening. Shot blasting treatment can completely remove welding slag, rust, oxidised skin, oil, etc. on the surface of the workpiece, improve the adhesion of the metal surface before painting, and achieve the purpose of long-lasting anticorrosion. The use of shot blasting can eliminate the surface stress of the workpiece and improve the strength of the workpiece The system is a necessary equipment for long-lasting anti-corrosion and strengthening treatment process.

The working principle of the press-in dry sand blasting machine in the sand blasting room; the press-in sand blasting machine is powered by compressed air, through the working pressure established by the compressed air in the press-in tank, so that the abrasive in the pressure tank and the compressed air are fully mixed with another pressure, the abrasive will be pressed through the sand valve into the sand pipeline, and then accelerated by the compressed air so that the abrasive is sprayed by the nozzle to spray the surface of the workpiece to achieve the desired processing purpose. In the press-in dry sand blasting machine, compressed air is the power of material supply and accelerating power.

The working characteristics of the environmental protection sand blasting room; sand blasting room is equipped with pressure, sand blasting pressure display, and equipped with a pressure reducing valve, you can adjust the sand blasting pressure as needed. The dust removal system configured in the sand blasting room is equipped with a cyclone separator that can separate the dust, rust, oxidised skin and other impurities generated during the sand blasting process from the recycled abrasive. Separated from the abrasive into the system for recycling, dust, oxide skin and other dust removal system to collect, the emissions meet the national environmental requirements standards.

Classification of environmental protection shot blasting room; shot blasting room can also be called sand blasting room, sand blasting room. Mainly applied to the surface treatment of some large workpieces. Large workpieces are generally sandblasted for surface treatment before painting, with the purpose of obtaining

1, pneumatic recycling type sand blasting room; the system is mainly composed of room body, sand blasting (pill) system, abrasive recycling system, ventilation and dust removal system, workpiece conveying system, abrasive sorting system and electric control system. In order to simplify the equipment, the ventilation and dust removal systems are generally combined together. The fan sucks all the abrasives, dust and airflow to the abrasive centralised filter through the peak nest floor. The dust-containing gas is filtered through the filter, the dust adheres to the outside of the filter, and the clean gas passes through the filter partly discharged outside the plant and partly circulated into the sandblasting room. The abrasive and heavy dust continue through the abrasive chute to the sorter. The separator is an inner and outer cone structure, and there is an adjustable channel between the inner and outer cones, through which the cross-section of the airflow channel can be changed so as to adjust the separation ratio.

2、Mechanical lifting type sand blasting room; the system and pneumatic sand blasting room are largely the same, only the recovery system is different, mechanical recovery sand blasting room is suitable for larger workpieces, it can be applied to the recovery of any abrasive material, it mainly consists of sand blasting room body, screw conveyor, lifting system, sand blasting system, dust removal system, electric control system, sorting system and so on.