US 11,873,719 B2
Gas-liquid spray dust settlement system for fully mechanized mining face
Liang Yuan, Anhui (CN); Qinghua Chen, Anhui (CN); Bingyou Jiang, Anhui (CN); Jinwei Qiu, Anhui (CN); Mingyun Tang, Anhui (CN); Bo Ren, Anhui (CN); and Mingqing Su, Anhui (CN)
Assigned to ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY, Anhui (CN); and PINGAN COAL MINING ENGINEERING RESEARCH INSTITUTE CO., LTD., Anhui (CN)
Appl. No. 17/616,875
Filed by Anhui University of Science and Technology, Anhui (CN); and PINGAN COAL MINING ENGINEERING RESEARCH INSTITUTE CO., LTD., Anhui (CN)
PCT Filed Jul. 14, 2020, PCT No. PCT/CN2020/101800
§ 371(c)(1), (2) Date Dec. 6, 2021,
PCT Pub. No. WO2021/227238, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 202010468946.6 (CN), filed on May 28, 2020.
Prior Publication US 2022/0316336 A1, Oct. 6, 2022
Int. Cl. E21F 5/04 (2006.01); E21C 35/22 (2006.01)
CPC E21F 5/04 (2013.01) [E21C 35/22 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A gas-liquid spray dust settlement system for a fully mechanized mining face, comprising an atomization humidification subsystem, a boundary mist curtain subsystem, and a dust mist recycling subsystem, wherein the boundary mist curtain subsystem comprises high-pressure blade nozzles mounted to hydraulic supports, the atomization humidification subsystem comprises a spray dust settler mounted to a rocker arm of a coal cutter and configured to spray water mist completely covering the high-pressure blade nozzles, the dust mist recycling subsystem comprises a wind-water linkage dust remover mounted to a support base, arranged under the spray dust settler, and configured to collect the water mist sprayed by the spray dust settler.