专利检索 ap:("TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.") AND inv:"Qingsheng DONG" 第 1 页

1.

发明公开
APPARATUS AND METHOD FOR REMOVING VOC FROM POLYPROPYLENE AND REDUCING ODOR LEVEL BY STEAMING PROCESS 审中-公开

公开(公告)号：US20240043579A1

公开(公告)日：2024-02-08

申请号：US18258532

申请日：2022-02-28

申请人： TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.

发明人： Xu ZHAO , Yan GAO , Yonggong LING , Tao ZHOU , Yongning QIU , Shaohua YANG , Chao MI , Qingsheng DONG , Fan ZHANG , Xinxing WANG , Kaixuan MA , Xiaoling XIE

IPC分类号： C08F6/10 , C08F110/06 , B01D45/12 , B01D3/38

CPC分类号： C08F6/10 , C08F110/06 , B01D45/12 , B01D3/38 , B01D2257/708

摘要： An apparatus for removing VOC in polypropylene by steaming process includes: a cyclone separator, used for separating polypropylene particles and entraining gas from an upstream pneumatic system; a preheating tower, communicating with a discharge hole of the cyclone separator, a first steam inlet being provided on a tower body of the preheating tower, and a tail gas outlet being provided on top of the preheating tower; and a devolatilization tower, communicating with a discharge hole of the preheating tower, a second steam inlet being provided on a tower body of the devolatilization tower, a steam outlet being provided on top of the tower, and the steam outlet being communicating with the first steam inlet.

2.

发明公开
INTEGRATED TOWER FOR REMOVING VOC FROM POLYPROPYLENE PARTICLES 审中-公开

公开(公告)号：US20240109226A1

公开(公告)日：2024-04-04

申请号：US18258517

申请日：2022-02-18

申请人： TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.

发明人： Xu ZHAO , Yonggong LING , Tao ZHOU , Yan GAO , Kaixuan MA , Qingsheng DONG , Xiaoling XIE

IPC分类号： B29B13/02 , B29B9/08 , B29B13/04 , B29B13/06

CPC分类号： B29B13/021 , B29B9/08 , B29B13/045 , B29B13/065

摘要： In a tower integrated by the heating and drying section and the cooling section, both sides of the heating and drying section housing are provided with an air inlet box and an air outlet box; the air inlet box is communicating with a heat exchanger and distribution pipes in the heating and drying section housing, the air outlet box is communicating with distribution pipes in the heating and drying section housing and a dust remover; both sides of the cooling section housing are provided with an air inlet box and an air outlet box; the air inlet box is communicating with a heat exchanger and distribution pipes in the cooling section housing; the air outlet box is communicating with distribution pipes in the cooling section housing and a dust remover. The integral device improves the heat exchange effect and preventing the polypropylene particles from aging.