Industry Info

The granulation process flow of small-scale compound fertilizer production line

2024/01/20
 

The production capacity of small-scale compound fertilizer equipment is relatively small, the equipment occupies a small area, and the investment cost is also relatively low. A set of small-scale compound fertilizer equipment costs about 10W-15W, and the operation is very simple. The factory and equipment requirements are low. Combined with the current national ecological civilization strategy, the market space and demand in Hefei are very large. Investing in small-scale compound fertilizer equipment is a good choice.

The granulation process of compound fertilizer production line can be divided into: raw material ingredients, raw material mixing, raw material granulation, particle drying, particle cooling, particle grading, finished product coating, and final product packaging.

1. Raw material ingredients: urea, ammonium nitrate, ammonium chloride, ammonium sulfate, ammonium phosphate, potassium chloride (potassium sulfate) and other raw materials are prepared in a certain proportion (according to market demand and soil testing results in various regions).

2. Raw material mixing: Mix the prepared raw materials evenly to improve the overall uniform fertilizer efficiency of the fertilizer particles.

3. Raw material granulation: The evenly mixed raw materials are fed into a fertilizer granulation machine for granulation (can be converted into pellets, or extruded pellets can be selected).

4. Particle drying: The particles made by the granulator are fed into the dryer to dry the moisture inside the particles, increasing their strength and facilitating storage.

5. Particle cooling: The dried fertilizer particles have a high temperature and are prone to clumping. After cooling, they are easy to pack, store, and transport.

6. Particle classification: The cooled particles are classified, and the unqualified particles are crushed and re granulated to screen out the qualified products.

7. Finished film: Coating qualified products to increase the brightness and roundness of particles.

8. Finished product packaging: Bag the coated particles, which are the finished products, and store them in a ventilated place.

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