It is an economical and practical method to produce organic fertilizer from cow dung in cattle farm. Modern compost fermentation technology is adopted in the manufacturing process of organic fertilizer to treat manure innocuously.
Production technology of cow manure composting and fermentation organic fertilizer
The trough dumper mainly mixes livestock manure and other organic wastes with fermentation bacteria and auxiliary materials (water content 50-60%) and enters the front end of the fermentation tank with a forklift (1 / 8 or 1 / 8 of the empty tank in the front end of the tank is vacated after the original front end is turned over), and the fermentation materials are stacked in the tank to a thickness of 1.5-1.6m, Through the forced ventilation of continuous aerobic fermentation high-pressure fan and the oxygen provided by the contact between materials and air during stacking rotation. The fermented materials are rapidly decomposed, sterilized, deodorized, dehydrated and dried, and the fermentation cycle is 7-8 days.
Under the action of the vertical and horizontal traveling mechanism of the dumper, the scraper with multi tooth plate structure forming a 45 degree angle with the pool bottom continuously and gradually picks up and transports the fermented materials to the highest point of the pool bottom. Throw it down and let it pile up again to produce a certain displacement. The whole process of continuous aerobic fermentation was completed by turning the pile twice a day.
Process flow of cow manure organic fertilizer dumper
The daily fermentation materials (1 / 8 of the daily processing capacity of the fermentation tank) are transported from the end of the fermentation tank by forklift. The space vacated at the front end of the fermentation tank (1 / 8 of the daily processing capacity of the fermentation tank) is supplemented with new fermentation materials to form a continuous fermentation process. The materials discharged from the pond are stored in stockpiles for secondary fermentation (10-15 days) to further decompose and remove part of the water. The whole production process of organic fertilizer is different from that of NPK fertilizer.
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