Explosive materials can be gounded safely in jet millings, but appropriate designs and precautions have to be taken during the processing of such materials. The following are the major issues:

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Safety Measures for Jet Milling Explosive Materials

Inert Atmosphere: Instead of air, inert gases like nitrogen or argon can be used for the jet mills during operation. When there is no oxygen for the explosive to consume, there is less chance of ignition. The system can be designed for once through or continuous closed loop but in either case atmosphere throughout the process should be inert.

Explosion Venting: The presence of explosive powders makes it necessary to consider efficient venting systems. The explosion vent must generally be ducted to a safe location outside the facility in order to protect people and sensitive equipment from potential explosions.

Explosion Suppression and Isolation: These systems will also have explosion suppression that will detect sudden increases in pressure and release specifically designed chemicals to douse the possibility of . Additionally, isolation valves will limit the progression of explosions through connected equipment.

Designing Needs: Jet mills for explosive materials must have built-in explosion-limiting features. They must be designed specifically for those. This includes designing structures to withstand possible explosion pressures. It also includes installing safety devices to detect ignition sources.

Maintenance Practices: It is also important to continually monitor the milling environment. This includes checking for enough dust to create a cloud when disturbed. This poses an explosion hazard. Some maintenance rounds on the equipment are also required. They are to check the safety measures’ effective operation.

Summary

It is possible to use jet mills to process explosive materials. But, specific precautions must be taken due to the explosives. Jet mills are safely used in industries that handle explosive powders. They use inert gas atmospheres, venting systems, and good design.