Reflections on whether a certain material is prone to dust explosions
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To determine whether a certain combustible solid powder product is prone to dust explosions, a fluidized bed dryer is used for its drying; steam is employed to indirectly heat the air, and then the hot air heats the material to evaporate its moisture. If a dust explosion were involved, it would occur in the final stage of the dryer; therefore, it can be inferred that this combustible solid dust does not pose a dust explosion risk. How can it be inferred?
Absolutely not; we can’t say that no accidents have occurred at this chemical plant, so there are no hidden dangers. First, analyze the particle size of the solid particles, their chemical properties (it is unknown whether they have a self-ignition point or are sensitive to lightning), and what the heating temperature is
It doesn’t mean that it won’t explode just because it hasn’t exploded before. What are the conditions that need to be analyzed for an explosion? It can explode once the conditions are met. Therefore, various measures must be taken in production to avoid the creation of explosive conditions.
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This inference is incomplete; you should determine what the main chemical composition of that particle is, and then look up information regarding its ignition temperature. We will first determine what the highest extreme temperature that could occur on site will be, and then make a decision. Thank you