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1.发明申请RAW MATERIAL OF COMPOSITE PELLETS USED IN KILN PHOSPHORIC ACID PROCESS, AND FORMING METHOD THEREFOR 审中-公开在磷酸工艺中使用的复合颗粒的原料及其形成方法公开(公告)号：US20160152473A1
公开(公告)日：2016-06-02
申请号：US14958903
申请日：2015-12-03
发明人： Yonghe HOU , Jiabin WANG , Pengsheng WANG
CPC分类号： C01B25/185 , B05D1/00 , B05D3/002 , B05D3/12 , B05D2203/00 , B05D2350/10 , C01B25/18
摘要： Disclosed is a composite pellet used as a raw material in a kiln process for the production of phosphoric acid, which is of a core-shell structure with an inner ball encapsulated with a shell, the inner ball mainly consists of a inner ball material and a binding agent, and the shell mainly consists of a cladding material and a binding agent; the inner ball material mainly consists of a carbonaceous reductant powder, and phosphate ore powder and silica powder, the inner ball is combined with the shell through the binding agent to form the core-shell shaped structure. The preparation of the composite pellets comprises the steps of preparing the inner ball, preparing the cladding material, forming, drying and solidifying composite green pellets etc. The composite pellets prepared by the present invention have a smaller range of formulation fluctuation, more stable quality, higher strength and better performance.
摘要翻译： 公开了一种用于生产磷酸的窑工艺中的原料的复合颗粒，其是具有用壳包裹的内球的核 - 壳结构，内球主要由内球材料和 结合剂，壳主要由包层材料和粘合剂组成; 内球材料主要由碳质还原剂粉末和磷酸盐矿石粉末和二氧化硅粉末组成，内球通过粘合剂与壳体结合形成核 - 壳形结构。 复合颗粒的制备包括制备内球，制备包层材料，形成，干燥和固化复合生球团矿等的步骤。由本发明制备的复合颗粒具有较小的制剂波动范围，更稳定的质量， 强度更高，性能更好。
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2.发明申请ROTARY KILN FOR REDUCING PHOSPHATE ORE IN KILN PHOSPHORIC ACID PROCESS AND METHOD FOR SOLVING RING FORMING IN KILN TAIL IN KILN PHOSPHORIC ACID PROCESS 有权用于在磷酸工艺中还原磷酸盐的旋转窑以及用于在KILN磷酸过程中在牛尾中形成环的方法公开(公告)号：US20160153717A1
公开(公告)日：2016-06-02
申请号：US14958839
申请日：2015-12-03
发明人： Yonghe HOU , Shifa WEI , Pengsheng WANG , Jiabin WANG
CPC分类号： F27D25/00 , C01B25/185 , F27B7/28 , F27B7/32
摘要： A rotary kiln for reducing phosphate ore in kiln phosphoric acid process, comprising a kiln body, a kiln head box, a kiln tail box and a driving device for driving the rotation of the kiln body, wherein a fuel burner is provided at the kiln head, a feed pipe and an outlet flue connected to an external hydration tower are provided at the kiln tail box, the upper part of the kiln body is provided with no air pipe, the outlet flue is provided in the radius range of the kiln body with the axis of the rotary kiln as a centre, and the fume conveying direction in the outlet flue is substantially parallel to the axis direction of the rotary kiln or has an included angle of less than 45° thereto. The rotary kiln can effectively mitigate the phenomenon of ring forming in the kiln tail of the rotary kiln.
摘要翻译： 一种用于还原窑磷酸工艺中的磷酸盐矿的回转窑，其包括窑体，窑头箱，窑尾箱和用于驱动窑体旋转的驱动装置，其中在窑头设置燃料燃烧器 在窑尾箱设有与外部水化塔连接的进料管和出口烟道，窑体的上部没有空气管，出口烟道设置在窑体的半径范围内， 回转窑的轴线为中心，出口烟道中的烟气输送方向基本上平行于回转窑的轴线方向，或具有小于45°的夹角。 回转窑可有效缓解回转窑窑尾环形成现象。
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3.发明申请METHOD OF COMPREHENSIVELY UTILIZING HIGH-TEMPERATURE SLAG BALLS EXITING ROTARY KILN IN KILN PROCESS FOR PRODUCING PHOSPHORIC ACID, AND PROCESS SYSTEM THEREOF 审中-公开综合利用生产磷酸的生产过程中的高温滑石出口旋转窑的综合方法及其工艺系统公开(公告)号：US20160084575A1
公开(公告)日：2016-03-24
申请号：US14958884
申请日：2015-12-03
发明人： Yonghe HOU , Jiabin WANG , Shenghui LEI , Jing LI
CPC分类号： F27B7/383 , C01B25/20 , F27B7/38 , F27D15/0206 , F27D2009/007 , Y02P20/124
摘要： A method and process system of comprehensively utilizing high-temperature slag balls exiting a rotary kiln in a kiln process for producing phosphoric acid, comprising a rotary kiln, a cooling device and a dryer for composite green pellets in a kiln process for producing phosphoric acid, wherein the cooling device comprises at least two cooling stages; the high-temperature slag balls are first conveyed to the cooling device, then the cooling device carries slag balls successively to multiple cooling stages by the movement of a trolley, each cooling stage introduces cold air for cooling, a part of the hot air after cooling is sent to the cavity of the rotary kiln, and the other part thereof is sent to the dryer for composite green pellets in the kiln process for producing phosphoric acid for drying.
摘要翻译： 在生产磷酸的窑工艺中综合利用离开回转窑的高温渣球的方法和工艺系统，包括回转窑，冷却装置和用于生产磷酸的窑炉中复合生料颗粒的干燥器， 其中所述冷却装置包括至少两个冷却级; 首先将高温渣球输送到冷却装置，然后冷却装置通过手推车的运动将渣球连续运送到多个冷却阶段，每个冷却段引入冷空气冷却，一部分冷却后的热空气 被送到回转窑的空腔中，另一部分被送到用于生产用于干燥的磷酸的窑工艺中的复合生料颗粒的干燥器。
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