Study on a New Type of Composite Powder Explosion Inhibitor Used to Suppress Underground Coal Dust Explosion
Source abstract
Abstract
At present, the world is committed to the development of environmentally friendly, sustainable and industrial safety. The effective treatment of industrial solid waste can be applied in the field of industrial safety. It is one of the ways to apply industrial solid waste to industrial safety to modify industrial solid waste and combine active powder to prepare industrial solid waste-based composite powder explosion inhibitors and apply it to underground coal dust explosion. This paper introduces the modification and preparation methods of industrial solid waste, and analyzes the good explosion suppression effect and good economic benefit of industrial solid waste-based composite powder explosion inhibitors on coal dust explosion. In this paper, four kinds of industrial solid wastes (red mud, slag, fly ash and sludge) were modified, and the modified solid waste materials with good carrier characteristics were obtained. Combined with a variety of active powders (NaHCO3, KH2PO4 and Al(OH)3), the industrial solid waste-based composite powder explosion inhibitors were obtained by solvent-crystallization (WCSC) and dry coating by ball milling (DCBM). Those kinds of explosion inhibitors can suppress the explosion of pulverized coal in 40–50% of cases. Compared with the powder explosion inhibitor commonly used in industry, it has a lower production cost and better explosion suppression effect. Those kinds of explosion inhibitors have a good industrial application prospect.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Combustion and Detonation Processes · Structural Response to Dynamic Loads · Coal Properties and Utilization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, NO.3–11, Wenhua Road, Heping District, Shenyang 110819, China
College Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
Shandong Dingan Testing Technology Co., Ltd., Building 9, Area D, Era Headquarters Base, No.15 Lanxiang Road, Tianqiao District, Jinan 250000, China
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China
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