我国湿法磷酸生产技术对比  

Comparison of WPA production technology in China

作　　者：杨培发 陈军民 陈志华 YANG Peifa;CHEN Junmin;CHEN Zhihua(Wuhuan Engineering Co.,Ltd.,Wuhan 430223,China;Hubei Provincial Huangmailing Phosphate Chemical Co.,Ltd.,Dau)u 43281&China)

机构地区：[1]中国五环工程有限公司,湖北武汉430223 [2]湖北省黄麦岭磷化工有限责任公司,湖北大悟432818

出　　处：《磷肥与复肥》2020年第1期24-26,共3页Phosphate & Compound Fertilizer

摘　　要：简述我国湿法磷酸生产技术的发展历程和现状,详细比较不同湿法磷酸生产技术(二水法、半水法和半水-二水法)的主要技术指标及优缺点。半水-二水法磷酸装置能耗低、磷收率高、成品酸质量好,石膏品质好,运行成本低,同时具有产业政策优势。提出我国湿法磷酸生产技术的发展方向,即大型化、集约化、产品深度加工、资源循环利用。The development course and present status of WPA production technology are outlined. The comparison of main data, advantages and disadvantages between dihydrate(DH), hemihydrate(HH)and hemi-dihydrate(HDH)process are summarized. The HDH process has the advantages of low energy consumption, high phosphorus yield, good quality of finished acid and phosphogypsum, low operation cost. Meanwhile, it has the superiority of industrial policy. The development trends of WPA in China are put forward, including plant enlargement, plant intensification, production deep processing and recycling of resources.

关 键 词：湿法磷酸 半水-二水法 技术比较 发展方向 

分 类 号：TQ126.35[化学工程—无机化工]