How To Control Dust Generation In Fertilizer Making

Dust generation is a common challenge in fertilizer manufacturing, especially during material handling, granulation, and drying processes. Excessive dust not only affects the working environment and health of employees but can also lead to fertilizer machinery wear and material waste. Therefore, effective dust control is crucial in any fertilizer making plant. Then, how to control dust generation in fertilizer making? How about the effect? All answer is here.

Solution 1: Professional dust collectors after fertilizer drying

The professional dust collecting system is the most effective step to control dust generation in fertilizer making. Commonly, the system contains cyclone dust collectors, water curtain dust collectors, and dusting fall rooms.

Cyclone dust collectors utilize centrifugal force to separate dust particles from the air, providing a highly efficient first-stage filtration.
For finer fertilizer production dust particles that cyclones may miss, water curtain collectors trap it by spraying water droplets, ensuring cleaner air output.
Moreover, dusting fall room serves as an additional enclosed space where dust can settle naturally before air is vented out, minimizing the emission of dust waste from fertilizer manufacturing into the environment.

Tip: In general, the fertilizer dust collection system will be placed after fertilizer drying.

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Solution 2: Add dust cover to control dust generation for material transport and screening

During fertilizer production process, you also can reduce the dust generation in material transport and screening. Installing dust covers on belt conveyors and fertilizer screeners is a simple yet highly effective method to control dust from escaping into the surrounding environment.

Dust covers can be constructed from metal sheets or other durable materials, creating an enclosed pathway that traps dust close to its source. This not only control dust generation but also reduce the material waste in fertilizer production.

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Manure fertilizer screener with dust cover

Solution 3: Dust reduction for fertilizer granules manufacturing

If you want to produce fertilizer granules, there are also some tips for you.

Fortunately, some fertilizer granulation machines feature nearly closed designs, greatly minimizing dust escape. Only has feeding port and outlet. Such as the new type organic fertilizer granulator and the rotary drum churning granulator.
For other fertilizer pelletizers, which has a more open design, we also dust reduction solution for you. For example, when you use a disc granulator for fertilizer pellet making. You can build a simple sheet metal house (using iron or similar materials) around the granulation area. It can effectively control the dust generation in granular fertilizer making.

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how about the dust reduction effect for a fertilizer making plant?

Generally, the dust collector system should be adequate to ensure the dust level ( SPM = suspended particulate matter) inside the plant should be less than 50 mg/m3 .

Ideally, with the cyclone and dust collecting room and dusting fall room and water curtain dust collector can almost remove the dust fully. If you combine with dust cover on belt conveyor and screener, it will avoid dust suspend in the air. All these designs can meet your standard suspending dust in fertilizer making factory less than 50mg/m3.

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If you want to know more about fertilizer making, whether it is organic fertilizer production or chemical fertilizer manufacturing, welcome to contact us now! YUSHUNXIN will offer you the best solutions.