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OKL-150-type granular fertilizer spiral forming machine Abstract The plant nutrients as the main way to the proliferation of mass flow and interception. The proliferation of which is the most important plant nutrients ways. Therefore, in the vicinity of crop roots to create a high-nutrient environment is particularly important. Large granular fertilizer in the soil can form a higher nutrient content of the region, the ongoing proliferation of absorption and utilization for crop, and soil around the region, it would not be affected by high nutrient concentrations of soil microbial activity. Fertilizer was used over the past flat-casting molding, flat-mode particles the structure of simple machines, pressure adjustable to suit different materials in the DR have a significant advantage. Although the flat plane structure mode particles advantages, less wear and tear, but the production of smaller, typically 300-3000 kg. Ping mode of production because it is too low to develop particles spiral machine. Spiral Forming Machine granular fertilizer is a fertilizer powder materials processed through the machine Start the process of forming through the V-belt driven motor reducer reducer rotating screw driven through the rotating coupling, material from the hopper into the feed, the effect of screw rotation allows materials by extrusion, extrusion molding of the material through Forming the holes, the aggregate device to receive a granular fertilizer from extrusion machine, the material in the powerful role of being squeezed out of small holes. Undergraduate title to the production of large granular fertilizer designed spiral machine granular fertilizer. 畢業(yè)設(shè)計說明書英文摘要 rotation allows materials by extrusion, extrusion molding of the material through Forming the holes, the aggregate device to receive a granular fertilizer from extrusion machine, the material in the powerful role of being squeezed out of small holes. Undergraduate title to the production of large granular fertilizer designed spiral machine granular fertilizer. Particles spiral machine using a screw shaft diameter, intermittent, variable pitch screw. The helical screw is divided into four sections, the first paragraph for the feed screw, the main role is to transport materials; the second paragraph is preloading a major role in spiral of preliminary extrusion materials; preliminary compacting of materials and extrusion materials that the third paragraph, the fourth is to increase the pressure screw, the main role is to increase further squeeze on the materials to be forced out of materials. In particular the role of the fourth paragraph with the constant pressure, makes the uniform material extrusion, the basic uniform in order to facilitate the processing stability. Key words Granular fertilizer Extrusion 畢業(yè)設(shè)計說明書英文摘要