With the development of modern industry, the types of dust continue to expand, and the amount of use continues to increase, which greatly increases the potential danger of dust explosions. With the rapid development of nanotechnology. The deep and fine processing of powder has become an important development direction in today's production process. The production of ultra-fine powder products is increasing day by day. The smaller the dust particle size, the lower the lower explosion limit, the smaller the minimum ignition energy, and the increased sensitivity to dust explosion. As a result, the accident rate of dust explosion has increased greatly.
During the work of the spray dryer, due to high-speed flow, intense collision and friction, the material is prone to generate static electricity, resulting in static electricity accumulation and discharge sparks. At the same time, the strength of the spray dryer is relatively high. If the explosion cannot be vented in time, a large pressure will be generated when an explosion occurs. In production, the equipment and places that may generate dust must be sealed as much as possible. The dust concentration in the airtight equipment is easy to reach the explosion limit. The better the airtightness, the greater the pressure generated by the explosion. will bring greater disasters.
Therefore, it is necessary to use the explosion-proof spray dryer according to the specifications, implement lightning protection, anti-static and other measures, ensure that the equipment and facilities are grounded, and strictly prohibit the existence of various open flames and illegal use of operating tools in the workplace. The safety operation rules and labor protection system must be strictly implemented, and it is strictly forbidden for employees to be unqualified in training and not to wear dust-proof, anti-static and other labor protection products on duty.
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