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Comprehensive utilization method of phosphogypsum
The invention discloses a comprehensive utilization method of phosphogypsum and belongs to the field of phosphogypsum utilization. The method comprises the following steps: 1, doping bauxite powder and coal powder into phosphogypsum, and uniformly stirring, 2, processing the stirred mixture into balls, 3, putting the agglomerated ardealite into a calcining device, 4, feeding the calcining device into a tunnel kiln, 5, electrifying and igniting the calcining furnace, 6, collecting flue gas generated in calcination and feeding into sulfuric acid preparation equipment for sulfuric acid preparation, and 7, applying the calcined spheres as ceramsite. The method has the characteristic that the ardealite can be efficiently and comprehensively utilized to produce sulfuric acid and ceramsite.
一种磷石膏综合利用的方法，属于磷石膏利用领域，包括以下步骤：1、将磷石膏中掺入铝矾土粉，煤粉，搅拌均匀；2、将搅拌好的磷石膏团成球状；3、将团好球的磷石膏放入煅烧装置中；4、将煅烧装置送入隧道窑内；5、将煅烧炉通电点燃；6、将煅烧中产生的烟气收集送入制硫酸设备进行硫酸制备；7、将煅烧后的球作为陶粒应用；具有能够高效综合利用磷石膏生产硫酸和陶粒的特点。
Comprehensive utilization method of phosphogypsum
The invention discloses a comprehensive utilization method of phosphogypsum and belongs to the field of phosphogypsum utilization. The method comprises the following steps: 1, doping bauxite powder and coal powder into phosphogypsum, and uniformly stirring, 2, processing the stirred mixture into balls, 3, putting the agglomerated ardealite into a calcining device, 4, feeding the calcining device into a tunnel kiln, 5, electrifying and igniting the calcining furnace, 6, collecting flue gas generated in calcination and feeding into sulfuric acid preparation equipment for sulfuric acid preparation, and 7, applying the calcined spheres as ceramsite. The method has the characteristic that the ardealite can be efficiently and comprehensively utilized to produce sulfuric acid and ceramsite.
一种磷石膏综合利用的方法，属于磷石膏利用领域，包括以下步骤：1、将磷石膏中掺入铝矾土粉，煤粉，搅拌均匀；2、将搅拌好的磷石膏团成球状；3、将团好球的磷石膏放入煅烧装置中；4、将煅烧装置送入隧道窑内；5、将煅烧炉通电点燃；6、将煅烧中产生的烟气收集送入制硫酸设备进行硫酸制备；7、将煅烧后的球作为陶粒应用；具有能够高效综合利用磷石膏生产硫酸和陶粒的特点。
Comprehensive utilization method of phosphogypsum
一种磷石膏综合利用方法
ZHAO JIAHENG (author) / ZHAO JIANGANG (author)
2021-02-12
Patent
Electronic Resource
Chinese
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