In order to improve the quality of urea products and enhance the market competitiveness of products, Guizhou Meifeng has carefully studied and found out the reasons for the difficulties in controlling the quality of products, combined with the problems in the aspects of process, equipment, and management, and solved them one by one. .
By changing the pipe at the top of the granulation tower, the effective distance from the urea melt pump to the granulation nozzle can be shortened as much as possible, thereby shortening the time for generating the urea condensate. In view of the problem of grain size of urea products, an additional vibrating screen was added after the collection belt at the bottom of the granulation tower came out, an underground pool was built before the packing position, and the powders from the two shaker screens were dissolved and discharged into the underground pool to send urine. The tank is returned to the system for further processing, and powder urea and small urea are completely plugged outside the gate of the finished product warehouse.
Through a series of improvements, since the output of urea on July 10, except for the first class, which caused a large number of defective products due to the original drive and external conditions, until July 14th, a total of 1,446 tons of urea was produced. Among them, the qualified product rate reached more than 96%, making the urea system's product quality significantly better than before.
By changing the pipe at the top of the granulation tower, the effective distance from the urea melt pump to the granulation nozzle can be shortened as much as possible, thereby shortening the time for generating the urea condensate. In view of the problem of grain size of urea products, an additional vibrating screen was added after the collection belt at the bottom of the granulation tower came out, an underground pool was built before the packing position, and the powders from the two shaker screens were dissolved and discharged into the underground pool to send urine. The tank is returned to the system for further processing, and powder urea and small urea are completely plugged outside the gate of the finished product warehouse.
Through a series of improvements, since the output of urea on July 10, except for the first class, which caused a large number of defective products due to the original drive and external conditions, until July 14th, a total of 1,446 tons of urea was produced. Among them, the qualified product rate reached more than 96%, making the urea system's product quality significantly better than before.
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