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Organic fertilizer production process flow

2018/9/17 17:03:54

Detailed process flow for organic fertilizer production:

1. Livestock and poultry manure centralized treatment farms or organic fertilizer production enterprises will use special vehicles to regularly recover livestock and poultry manure from various farms to avoid secondary pollution on the road surface and directly return the recovered livestock and poultry manure into the fermentation area.


2. After one fermentation and two times of aging. First, the odor of livestock and poultry manure is eliminated. In a single fermentation, straw, plant leaves, weed powder and other plant stems should be added in proportion. At the same time, the organic fertilizer starter should be added, and the crude fiber therein is decomposed so that the particle size requirement after pulverization meets the particle size requirement of the granulation production.


3. The fermentation material that completes the second aging stacking process is pulverized and enters the mixing and stirring system. Before mixing and mixing, according to the formula, N, P, K and some other trace elements are added to the mixing and stirring system to start stirring.

4. The mixed material is transported, such as a disc granulation system, and the granules enter the cooling system after passing through the dryer, and the materials are sieved after being cooled to normal temperature. The granules that meet the requirements enter the wrapping machine and then begin to be packaged. The particles that do not meet the requirements are crushed by the pulverizer and then returned to the disc granulation system to continue granulation. Among them, the reasonable combination of the fineness of the raw materials is crucial for the organic fertilizer production process. The higher the fineness of the raw material, the better the viscosity and the higher the surface finish of the granulated particles. However, in the production process, the use of over-proportioned high-fineness materials is prone to problems such as excessive particles and irregular particles due to excessive adhesion.


5. After several procedures, livestock and poultry manure became the main raw material of organic fertilizer and entered the sales market for direct sales.


In summary, the organic fertilizer production process generally includes: raw material selection (chicken manure, straw, sludge, peat, etc.) → fermentation treatment → ingredient mixing → granulation → cooling screening → metering sealing → finished product storage.


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