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For the safety hazard caused by the boiling of powder in boiling drying equipment, there is a literature on the prevention of the two types of hidden dangers of powders. As a boiling drying equipment, the following can be used for reference.
a. Anti-static measures for boiling drying equipment The measures for boiling powder to prevent static electricity in boiling drying equipment are as follows:
1) The trapping bag is made of anti-static fiber material, which can eliminate the static electricity on the powder entering the bag in time, and avoid the peeling and electrification generated when the powder aggregates fall off.
2) Use the conductor material as the connecting part of the air supply duct and each connecting part, and carefully connect the whole system to make the static electricity on the powder be guided away in time.
3) Other methods, such as increasing pipe diameter, reducing elbows, regular cleaning and discharging, and operating workers wearing anti-static clothing, are also effective in suppressing, reducing and eliminating static electricity during powder boiling.
b. Measures for anti-dust explosion of boiling drying equipment The measures for boiling powder to prevent dust explosion in boiling drying equipment are as follows:
1) Remove the ignition source. For equipment and devices that may generate fire sources, an explosion-proof system shall be installed, and an explosion-proof membrane or a pressure relief valve shall be provided in the dust removal or dust filtration equipment and piping.
2) Frequently remove dust from pipes and trap bags, and do not accumulate dust.
3) Explosion-proof devices such as explosion-proof motors and grounding wires should be used for electrical equipment.
4) The design of the plant should comply with the requirements for the prevention of dust explosion, according to the anti-explosion design, and there must be sufficient explosion-proof pressure relief area.
Precautions for powder safety in boiling drying equipment
Precautions for powder safety in boiling drying equipment