Industry Info

Aerobic fermentation fertilizer production process of organic fertilizer production line

2020/06/10
The purpose of the aerobic composting of the organic fertilizer production line is to reduce the volatile substances and waste odor in the waste, kill parasitic eggs and pathogenic microorganisms, and achieve the purpose of harmlessness. In addition, through compost fermentation treatment, the moisture content of the organic material is reduced, the organic matter is decomposed and mineralized to release N, P, K and other nutrients, and at the same time, the nature of the organic material becomes loose and dispersed.

Through the mixing effect, the fermentation materials are fully mixed, the water quickly volatilizes, and the displacement of the materials occurs at the same time; on the other hand, oxygen is supplied through the aeration system installed at the bottom of the fermentation tank by forced ventilation to avoid the formation of an anaerobic environment during the composting process. In the process control of the fertilizer production machine, the central control system starts the blower to aerate the fermentation tank according to the changes in the temperature, moisture, oxygen content and other parameters of the compost material. Under normal circumstances, the composting cycle is 18 days, and the temperature of the compost can rise to 60-70 ℃, and last more than 10 days. After a period of composting, the moisture content after fermentation is greatly reduced (generally down to about 40%), and transferred to the aging workshop by a conveyor belt through a moving discharger.
The organic solid waste after the first compost fermentation of the organic fertilizer production line has not yet reached maturity, and it is necessary to continue the second fermentation, that is, aging. The purpose of aging is to further decompose, stabilize and dry the remaining macromolecular organic matter in the organic matter to meet the requirements of the subsequent fertilizer production process.

Fermented materials are compounded by the batching system, compounded with humic acid, nitrogen, phosphorus and potassium fertilizers, trace elements and microbial bacteria, so as to produce different high value-added organic/biological organic fertilizer products according to market demand; after the ingredients are transported to the belt conveyor The crusher, mixer, granulator, dryer, cooler, sieving machine, the sieve is returned to the mixing room for ingredients, the powdery part under the sieve is conveyed by the belt conveyor for packaging, and the finished product is stored in the finished product warehouse. 
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