Industry Info

The process of using organic fertilizer granulator to produce fertilizer from biological waste

2024/03/20
 Livestock manure mainly refers to a kind of rural solid waste produced in livestock and poultry farming, including pig manure, cow manure, sheep manure, chicken manure, duck manure, etc. With the rapid development of livestock and poultry breeding, the output of intensive and concentrated livestock and poultry manure in animal husbandry production is too large in some areas, which can not be absorbed by traditional fertilization treatment. A large amount of manure piled up causes serious pollution to the air, soil and water environment. On the other hand, due to the rapid development of chemical fertilizer industry, people use a large amount of chemical fertilizer, which makes organic manure idle. Soil basic nutrients showed a gradual decline in local areas, and livestock manure could not be returned to the field in time, resulting in animal manure pollution to the environment.


The organic fertilizer production 
process from livestock and poultry breeding waste: In order to improve the utilization value of livestock and poultry breeding waste and reduce the environmental pollution caused by traditional treatment methods, it is necessary to increase the application of organic fertilizer process. At present, livestock and poultry waste production of organic fertilizer processes mainly include granulated products after fermentation, powder products after fermentation, and the addition of microorganisms. Among them, the more mainstream process is post-fermentation granulation, this paper focuses on the post-fermentation granulation process and matters for attention.

After the material is processed into particles by organic fertilizer granulator, the belt is sent to the organic fertilizer dryer, the hot air is used for downstream drying, to be thoroughly dried and then sent into the rolling screen by the outlet elevator for screening treatment. In the screening process, the particle size is less than 1 mm of fine powder is directly screened out, through the return belt to re-granulation; The particles with particle size over 4.75mm are crushed in the crusher under the action of artoflow, and then sent back to the crusher for re-granulation through the return belt; The qualified particles with the particle size between 1 ~ 4.75mm are transported to the cooling machine, and the air countercurrent is used to heat the particles. After cooling to the appropriate temperature, the particles are sent into the wrapping cylinder and mixed with other auxiliary materials, and finally sent to the finished product storage bucket for packaging treatment.

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