公开(公告)号：US20230399230A1

公开(公告)日：2023-12-14

申请号：US18209219

申请日：2023-06-13

申请人： GUIZHOU BATIAN ECOTYPIC ENGINEERING CO., LTD. ,  SHENZHEN BATIAN ECOTYPIC ENGINEERING CO., LTD.

发明人： Deming HUANG ,  Guojun ZHAO ,  Faan LIU ,  Jin FANG ,  Shiying HUANG ,  Jing CHENG ,  Lingyun ZHANG ,  Junqiang FENG ,  Jianqing HUA

IPC分类号： C01B25/37 ,  C01B25/234 ,  C05B17/00 ,  C05G5/12

CPC分类号： C01B25/375 ,  C01B25/2346 ,  C01P2006/80 ,  C05G5/12 ,  C05B17/00

摘要： Disclosed is a method for preparing iron phosphate and by-product fertilizer using ammonium phosphate. The granulation device for by-product fertilizer production comprises a housing having accommodation space which is divided from top to bottom into a granulation chamber, a material-screening chamber and a temporary material-storing chamber; a blowing component provided between the granulation chamber and the material-screening chamber; and a vibrating screen which is able to vertically reciprocated provided between the material-screening chamber and the temporary material-storing chamber which is connected to a discharge pipe, wherein the upper end of the housing is provided with a detachable cover having multiple spraying devices for spraying the molten material into the housing and connected to an exhaust pipe. The blowing component comprises multiple staggered and interconnected distribution pipes the upper end of which is connected to multiple blasting pipes and a side of which is connected to an intake pipe.