The spray painting line is very good in construction. It generally uses electrostatic spraying to spray the workpiece. The main equipment of the spray room is composed of powder spraying room, electrostatic powder spraying equipment, spray gun and powder recovery device. This kind of water curtain spray booth is simple and practical, and it is widely used in painting line.
In front of the water curtain spray room is a water curtain board, and there is an overflow groove on the water curtain board. During the construction process, the workpiece is sent to the spray paint room by the suspension conveyor chain. When the operator uses a hand-held electrostatic spray gun or a fixed rotary cup spray gun to spray the workpiece, the scattered overspray mist is attracted by the air flow and enters the spray booth. First, it meets the water curtain of the water curtain board and is washed into the water tank. The rest of the paint mist is completely intercepted in the water after being cleaned by multi-stage water curtain.
After the paint mist is removed, the air flow will pass through the gas water separation device to remove the odor, and the purified gas is finally discharged to the outside world. The paint mist captured by the water curtain flows into the water tank with the water flow, and the paint residue floats on the water surface after being pumped and filtered by the water pump. Under the action of adding the paint coagulant in the pool, it can be agglomerated into loose lumps, which can be scooped out by the container for centralized treatment to keep the water quality clean. Through the function of water curtain spray booth and auxiliary equipment, the purpose of painting work piece and paint mist purification can be completed ideally.
In terms of electrical explosion-proof (fire), there are also many deficiencies, such as: the electrical explosion-proof (fire) level does not meet the requirements of national mandatory standards, explosion-proof (fire) facilities configuration is not complete and so on. As these problems generally do not affect the quality of workpiece spraying, they are often ignored or reduced from the cost consideration. Therefore, it is necessary to promote the supervision and mandatory requirements of relevant departments to eliminate potential safety hazards, improve the working environment of operators, and make exhaust gas (water) discharge up to standard. Environmental protection coatings have been developed rapidly, which has played a positive role in reducing environmental pollution The role of.