Sprayer for settling dust of coal mine

US11492906B2 · kind B2 · utility

Assignees

• ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY · CN
• PINGAN COAL MINING ENGINEERING RESEARCH INSTITUTE CO., LTD. · CN

Inventors

• Liang Yuan · Columbia, US
• Bingyou Jiang · Daguantang, CN
• Qinghua Chen · Hunan, CN
• Mingyun Tang · Daguantang, CN
• Jinwei Qiu · Daguantang, CN
• Bo Ren · Tangxia, CN
• Mingqing Su · Daguantang, CN

Key dates

• Filing date: Jul 14, 2020
• Grant date: Nov 8, 2022
• Expiry date: Jul 14, 2040

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21F5/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A sprayer for settling dust of a coal mine includes: an outer housing, having at least one opening configured to spray water mist; a sprayer, placed in the outer housing, configured to spray water mist through the opening; a plurality of water curtain nozzles, configured to spray water curtain lines outside the opening to block suspended dust; and a support, configured to support the outer housing. The water curtain nozzles are in an equidistant arrangement around a center of the opening. A plurality of the water curtain nozzles are constructed such that the nozzles are all oriented toward the same point, to form a circular or conical water curtain.