公开(公告)号：US20230233981A1

公开(公告)日：2023-07-27

申请号：US18193895

申请日：2023-03-31

Applicant: BAOTOU RESEARCH INSTITUTE OF RARE EARTHS

Inventor： Hao Tian ,  Jincheng Guo ,  Shaochun Hou ,  Hui Xu ,  Erdou Li ,  Jing Song

IPC: B01D47/06

CPC classification number: B01D47/06 ,  B01D2257/60 ,  B01D2247/04

Abstract: The present disclosure provides a treatment device for an exhaust gas from rare earth calcination, comprising a spray apparatus in which a sprayer is arranged, the sprayer comprising an input pipe, a nozzle, a toothed ring, a rotating impeller, a first gear, and a second gear, wherein the input pipe is configured to input a spray liquid to the nozzle; wherein the nozzle is arranged to be more than one, rotatably connected to the input pipe, arranged in a ring shape. The treatment device enables more uniform contact between the exhaust gas and the spray liquid.