Fertilizer Production Technology

Organic-inorganic compound fertilizer is a new type of fertilizer made of fermented organic materials such as animal manure and plant residues, adding some chemical fertilizers, and then mixing them thoroughly. It not only has the advantages of inorganic fertilizers with fast fertilizer efficiency, but also has the advantages of organic fertilizers to improve soil and lasting fertilizer effects. It can complement each other’s strengths and complement each other to maintain and improve soil fertility, increase crop yields, improve the quality of agricultural products, and achieve high yield, high efficiency, high quality, and ecological safety. The purpose of application is of great significance for maintaining sustainable agricultural development.

Complete Machines for Organic-Compound Fertilizer Production

In order to accelerate the promotion and application of organic-inorganic compound fertilizer, the following three links must be grasped in actual production:

1. Pre-treatment of organic materials.

Composting Machine for Organic-Compound Fertilizer

The pretreatment process usually refers to the organic fertilizer fermentation process. Fermentation maturity is the quality basis of organic fertilizer. The ideal conditions for fermentation include:

Moisture. Maintaining proper water content is the primary condition for promoting microbial activity and composting fermentation. Generally, the maximum water holding capacity is about 60%.

Ventilation. The use of composting equipment to maintain proper air in the pile is beneficial to the reproduction and activity of aerobic microorganisms and promotes the decomposition of organic matter. When composting at high temperature, attention should be paid to proper accumulation of tightness. In trough fermentation, try to add auxiliary materials according to the process requirements to facilitate aeration.

Carbon to nitrogen ratio. The ratio of carbon to nitrogen for the normal decomposition of organic matter by microorganisms is 25:1. The ratio of carbon to nitrogen in legume green manure is 15-25:1, weeds are 25-45:1, and grass crop stems are 60-100:1.

2. Granulation and drying adjustment.

Organic-inorganic compound fertilizer can be produced by a typical solid agglomerate process, and the process is basically similar to that of chemical compound fertilizer. The difference is that the granulation needs to adopt a rotating drum and a disc two-stage granulation, and drying also requires continuous two-stage drying to make the moisture reach the requirements of particle strength and non-caking. The production of organic-inorganic compound fertilizer also needs to add 30% of organic materials.

3. Requirement of ingredient group.

The mandatory technical standards for organic-inorganic compound fertilizers stipulate that when the nutrient content of (N+P2O5+K2O) is 15-25%, the organic matter content is not less than 20%; when the nutrient content of (N+P2O5+K2O) is greater than 25%, the organic matter content is 15% . Due to its inherent characteristics, organic-inorganic compound fertilizers have a wide variety of organic materials. The factory needs to choose according to local organic resources and must be fully fermented and decomposed. Inorganic nitrogen, phosphorus and potassium must be selected with high nutrient content urea, diammonium phosphate, monoammonium phosphate, potassium chloride, and potassium sulfate. Chemical fertilizers are mostly inorganic salts. If microbial agents are added to organic-inorganic compound fertilizers, the amount of chemical fertilizers added should not be too high, otherwise the activity of microorganisms will be inhibited.

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Bio-organic fertilizer production process requirements

1. The fermented raw fertilizer must undergo high temperature mineralization reaction, the maturity must reach 80%, and the organic matter must be at least 30%.

2. The high-organic sodium humate you need to add must be tested (check whether the cadmium exceeds the standard) and deep processing, that is, use 20% sodium silicate and humic acid to stir to change the original water-insoluble hydroxyl, quinone and carboxyl groups It can only be used for water-soluble organic acid.

3. Add plant growth regulator substances, such as sodium nitrophenolate, α-naphthaleneacetic acid and indole butyric acid synthesis of rooting powder and enriched carrier to form an auxin mixture, etc. Because these elements are prone to failure, they must be further processed and equipped with carriers to prevent soil colloids from fixing and failing.

4. Add chemical fertilizers, N (nitrogen), phosphorus), potassium), such as P (K (the product should be 7% content, and under special circumstances should not exceed 15%, to prevent the organic matter content from being too low and unmatched, causing Nutrient loss.

5. The blended soil microorganisms are selected from local crop rhizosphere microorganisms (due to different ground temperatures, the survival, growth and proliferation of microorganisms are different. This is the characteristic of soil microorganisms).

Bio-organic fertilizer production method

The production process of two-time element coordination is to list the elements that are not easy to volatilize during drying and are resistant to high temperature and failure (adjust the element formula with the complete nutritional properties of organic fertilizers) as the first element coordination. The functional elements that are not resistant to high temperature and easy to fail are listed as the second element coordination. First, they are pelletized and pelletized separately, and then the pellets after the first coordination and drying are dried with the second coordination without drying The dry particles are mixed and polished in a ratio of 5:1, and then the finished product is screened out.

Bio-organic fertilizer Poduction process

Perform the first coordinated mixing, crushing, granulation, drying, and screening of the original fertilizer and the drying elements; meanwhile, perform the second coordinated mixing, crushing, and granulation of the original fertilizer and the elements that are not suitable for drying; The dried granular material and the undried granular material are mixed and polished according to 5:1; finally screened and packaged.

Tag: Fertilizer Production Technology

The best production technology of organic-inorganic compound fertilizer