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Process and equipment for processing commercial organic fertilizer using crop straw

2020-04-16
Process and equipment for processing commercial organic fertilizer using crop straw

fertilizer granulator
 
(1) Production and processing of plant residues and refined organic fertilizer manufacturing process
Using plant residues to refine organic fertilizers is the simplest method for plant organic fertilizers manufacturing process. First, the plant residues are crushed into materials less than 3 cm with a semi-dry grinder, and then according to the nutritional requirements of fermenting microorganisms (generally inoculated with high temperature bacteria), a variety of plant residues are compounded into culture materials, inoculated with microorganisms, and passed through Auxiliary heating can produce a lot of heat within 4-5 days of fermentation, so that a large amount of water in the raw materials can be evaporated, quickly deodorized, quickly dehydrated, low energy consumption, low production cost and economic. However, this organic fertilizer has a low degree of fermentation and maturity, and once it is wet with water, it can easily cause rancidity or worms.
 
(2) Production and processing of bio-organic fertilizer after fermentation of plant residues
Bio-organic fertilizer refers to organic materials formed by specific functional micro-bovines (such as nitrogen-fixing bacteria, phosphate-solving bacteria, potassium-releasing bacteria, etc.) and harmlessly processed and decomposed animal and plant residues (such as livestock and poultry manure, crop straws, etc.) A compound type of fertilizer with microbial fertilizer and organic fertilizer effect. The essential feature of bio-organic fertilizer is that it contains higher organic matter and microorganisms with specific work and specific functions. The contained microorganisms exhibit certain fertilizer effects, such as improving soil fertility, fixing nitrogen in the air, assisting crops to absorb nutrients, activating insoluble plant nutrients in the soil for crop absorption, etc., or producing multiple active substances or resisting pathogenic bacteria Substances have a good stimulating and regulating effect on crop growth, reduce or reduce the occurrence of crop diseases and insect pests, and improve the quality of agricultural products.
 
Compared with ordinary organic fertilizers, the production technology content of bio-organic fertilizers is relatively high. In addition to the addition of biological fungi that promote the decomposition and decomposition of organic materials during the rot process, to achieve the purpose of directional rot and deodorization, it is also added to the product Microorganisms with specific functions to enhance the effect of products. To produce this type of organic fertilizer, the first thing is to have the technology and ability to produce specific functional microorganisms. After crushing a variety of plant residues, select a compound fermentation microorganism that is basically consistent with the biological characteristics of the existing specific microorganisms. According to the characteristics of the compound fermentation microorganisms, the crushed plant residues are compounded and a certain amount of inorganic compounds are added to make a fermentation culture material. , Adopting trough stacking fermentation method, flat-ground stacking fermentation method, fermentation tank fermentation method, closed warehouse fermentation method or tower fermentation method, etc., the decayed material basically achieves the harmlessness of the product, which is beneficial to the addition of functional bacteria during the post-processing Survive. In the post-processing of fermentation materials, it is usually added with functional bacterial agents for compounding and shaping; the product dosage form is mainly powder, and there are also granulation techniques. Most of them use disc granulation, drum granulation or extrusion granulation. Granular products overcome the shortcomings of poor appearance and low level of powder products, improve the product's commerciality, but also increase the production cost of the enterprise and have a certain impact on the survival of effective bacteria.
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