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Advanced Phosphogypsum Powder Production Line for Efficient Manufacturing Process1
Assembly Line Production Line, Gypsum Powder Machine, Phosphogypsum Gypsum Powder, Phosphogypsum Gypsum Powder Production Machine
Linyi Huihang Machinery Co., Ltd.
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Product Description Due to different manufacturers, the composition, color, physical properties, impurity content, and types of phosphogypsum vary depending on the process and principle of its production. However, they all have the following common characteristics:1. Most phosphogypsum has a high amount of attached water, which is discharged in the form of slurry or wet slag. Generally, the content of attached water is between 10-40%, and some may even be higher.2. Phosphogypsum has a relatively fine particle size, generally between 5-300 microns. When producing gypsum powder, it can save crushing and grinding costs, but it also generates a large amount of dust, increasing the cost of dust removal.3. Phosphogypsum generally contains complex components, with small amounts of chemical components that have a significant impact on the hydration and hardening properties of gypsum. Its pH value is acidic rather than neutral. It poses significant challenges for the effective utilization of chemical gypsum.In phosphogypsum, the content of the active ingredient dihydrate gypsum is generally high, reaching 75-95%, which is equivalent to the active ingredient content of gypsum above the second grade. If we only consider the content of its active ingredients and ignore the influence of its harmful impurities, industrial by-product gypsum can be used as a high-quality raw material for gypsum production.Therefore, by adopting appropriate technology and equipment, the influence of harmful components in phosphogypsum can be eliminated, and phosphogypsum will become a cheap, high-grade, and environmentally friendly high-quality production raw material. The two-step calcination production process of pre drying raw materials and boiling furnace combustion is adopted, and the raw materials are transported from the yard to the hopper by a loader. Through disperser and belt conveyor. Uniformly sent to the rotary dryer (where the heat source is a coal-fired hot air furnace), the discharged material is transported by the powder collector conveying equipment to the vertical boiling furnace for calcination (where the heat source is a thermal oil furnace). After calcination, it is sent to the ball mill for grinding modification and cooling, and then lifted and transported to the finished product warehouse and packaging warehouse.Calcination System: Vertical Boiling Furnace Process:Simple structure and small footprintNo operating components, low operating costsDue to the thorough fluidization of the production process, the composition of gypsum is relatively ideal, and the product quality is stable.Main production process:1,Crushing System,Raw material gypsum stone after crushing system, partical size less than 30mm2,Powder Grinding & Choosing System,Use vibration supply material to send gypsum stone to mill system, (gypsum particle less than 30mm). After Grinding sytem , gypsum particle become less than 0.02mm, from bucket elevator go into middle silo3,Calcining System,Use Vertical boiling furnace or rotary kiln, production process completely fluidized, stable product quality4,Finished Product Powder Storage System,After calcining gypsum powder, through Coverying and lifting to silo for starage, customer choose packing machine according real situation of localGypsum powder production line layout diagram:
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