The eight new tower-type melt granulation compound fertilizer projects of the county's Fuji Chemicals and Fertilizers are all installed in a vertical manner, occupying less land resources, and in terms of project investment, due to the elimination of the drying process, they have In a certain scale of production equipment, although the equipment investment is slightly higher than the traditional slurry granulation production device and the same size humidification aggregate pelletized compound fertilizer production device, the production cost is much lower than the slurry method and humidification. Aggregate grain production costs. For each ton of compound fertilizer produced, 45 kg of standard coal can be saved and 17 kWh of electricity can be saved. The utility model adopts a civilized steel-concrete structure, adopts a more advanced mechanized elevator feeding material, evaporates molten urea at the top of the tower and mixes materials at the top of the tower, and has independently designed an efficient and anti-blocking biaxial differential spiral granulation device with independent intellectual property rights. The entire production process is fully automated and controlled by DCS. No coal or water is introduced, neither dust nor waste is discharged. This not only saves energy, but also reduces SO2 gas pollution to the air. The production of this project has no "three wastes" pollutant discharge and it belongs to clean production process. Compared with other fertilizers, tower type melt granulation slow-release compound fertilizer has uniform nutrient distribution, high nitrogen content ratio, low particle moisture content, high strength, smooth and rounded, not easily agglomerated, and has pinholes (recessed holes). It is conducive to crop absorption and has strong market competitiveness. It is the future direction of the fertilizer industry.
In line with the principle of “energy conservation and environmental protection,†the county’s dozens of fertilizer companies have established technical cooperation with famous institutions and research institutes such as the Chinese Academy of Agricultural Sciences, Tsinghua University, Renmin University of China, China Agricultural University, and Shandong Agricultural University. The relationship established an experimental base and invited academicians from the Chinese Academy of Sciences and well-known postdoctoral fellows, doctors and masters as corporate technical consultants to jointly conduct scientific and technological research and developed controlled-release fertilizers, slow-release fertilizers, bio-organic fertilizers, and towers with independent intellectual property rights. Melt granulation compound fertilizers and other five series of more than 800 varieties, of which more than 20 projects have been awarded the provincial-level scientific and technological progress awards and Spark Award, more than 100 items of technology have obtained national patents.
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