Urea granulation temperature reduction dust collection method and apparatus
A technology of urea granulation and dust removal equipment, which is applied in the direction of separation methods, chemical instruments and methods, and separation of dispersed particles, and can solve the problems of low cooling rate of urea granules, affecting the ventilation volume of the prilling tower, and limited ventilation volume of the prilling tower. , to achieve the effect of less dust generation, significant environmental protection benefits, and good dust absorption effect
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[0031] Refer to Figure 1: Configure a blower P0102 and an air distributor T0103, arrange the air distributor at the bottom of the prilling tower T0104, send air at normal temperature into the tower, and control the high-temperature granular urea from top to bottom in the tower Cool down. At the same time, the urea dust or small particles of urea generated during the granulation process are taken out together to reduce the amount of dust in the finished urea entering the packaging system.
[0032] The working process is: the air at normal temperature enters the inlet of the blower P0102 through the anechoic chamber T0101, and is sent from the outlet of the blower to the pan-type air distributor T0103 at the lower part of the prilling tower T0104, and enters the air distribution cap on the orifice plate of the air distributor after being evenly distributed. Exchange heat with urea granules whose temperature is 90-130°C higher from top to bottom in prilling tower T0104. Since th...
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