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Why do flour mills use explosion-proof chain hoists for lifting operations
published:2025-12-16

Safety is a prerequisite for production, so we need to choose different chain hoists according to different working environments. So what kind of chain hoist do we need to use for lifting operations in a flour mill? The answer is explosion-proof chain hoist.

Perhaps some people may find it strange that flour is our food, and a flour mill is not a chemical plant, so why does it belong to an explosive environment? So let's analyze this issue in depth.

Firstly, from a chemical perspective, the main component of flour is C H O. These ingredients themselves are flammable, and once an open flame appears, they can quickly burn.

From a physical perspective, flour is an extremely small particle that floats in the air completely in contact with oxygen. Once an open flame appears, it will be supported by surrounding oxygen, and the heat cannot be completely released in a short period of time, resulting in an explosion. This is also similar to a gas explosion.

This is the fundamental reason why flour mills belong to explosive environments.

The explosion-proof chain hoist adopts a rough surface design of aluminum bronze and beryllium bronze. The collision between metals does not produce mechanical sparks, effectively avoiding the occurrence of flour mill explosion accidents.