How to convert animal manure into organic fertilizer?

The characteristics of organic fertilizer

Organic fertilizer that are mainly derived from animals or plants are applied to the soil to provide nutrition. The organic fertilizer contains a lot of beneficial substances, which includes a variety of organic acids, peptides, and rich nutrients including nitrogen, phosphorus and potassium. It can not only provide comprehensive nutrition for crops, but also have a long fertilizer effect, which can increase and renew soil organic matter and promote reproduction of microorganisms. It is the main nutrient for production of green food.
Introduction of organic fertilizer production line

The organic fertilizer production line is mainly divided into two parts. The one is the pretreatment part and the other is granulation production part.
The pretreatment part is also called powdered organic fertilizer production line, which includes: fermentation compost turner, crusher, rotary screening and other equipment.
The granulation production part includes mixer, granulator, rotary drum drying, rotary drum cooling machine, rotary screening machine, coating machine, automatic packaging machine. Through organic fertilizer production line, the livestock manure, husk of straw and rice, biogas sludge, kitchen waste and urban waste can be processed into organic fertilizer, which can reduce pollution and turn waste into treasure.