With the rapid development of animal husbandry, a large amount of feces and sewage have been generated. The harmful elements in these feces exceed the standard and are difficult to treat with traditional methods of returning farmland. In response to this situation, people have developed an organic fertilizer production line with mobile and efficient solid-liquid separation technology as the core, integrating and supporting high-efficiency mixer, flipper, granulator and other fertilizer production equipment.
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The raw materials for the complete set of organic fertilizer equipment can be pig manure, chicken manure, cow manure, sheep manure, straw, humic acid, urban sludge, recycled garbage, distiller's grains, and other waste materials. In the later stage, the raw materials are added with bacterial strains for aerobic fermentation, and then anaerobic fermentation is carried out. The fermented materials are transported to the raw material warehouse by a mobile shovel truck. A belt conveyor is installed under the raw material warehouse to transport the fermented materials to the semi wet material crusher. Materials that are not easy to crush should be equipped with a bipolar crusher. The materials crushed by the bipolar crusher are finer and better, and then the materials are transported to the horizontal mixer by the belt conveyor, Vertical mixers can also be used, which can be selected according to the material and then transported to the granulator. There are multiple options for the granulator, including roller extrusion granulator, new stirring tooth granulator, disc granulator, flat mold granulator, and rotary granulator. The granulator can be used to transport the material to the throwing machine for shaping, making the material rounder, more uniform, and smoother. It can also be coated with a coating machine, Then the conveyor transports the materials to the screening machine, separates the particles according to their grades, and the qualified ones enter the conveyor to be transported to the automatic packaging machine. The finished organic fertilizer particles are produced.
The development and research of organic fertilizer production lines and sterilization systems for livestock and poultry manure will be conducive to promoting the formation of an industrial chain for harmless treatment, resource utilization, and commercial operation of livestock and poultry manure, achieving the goals of industrialization, marketization, and large-scale production, and effectively promoting the development of ecological agriculture and circular economy in the city.