Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems

The operating costs of breaking coal particles into fine powder, to achieve optimum combustion for the boilers in a power plant, are made up of power input to carry on an energy intensive comminution mechanism and to overcome friction losses within pulverising machines. The operating costs also incl...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Wojciech Grzegorzek, Daniel Adamecki, Grzegorz Głuszek, Aleksander Lutyński, Daniel Kowol
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	attrition test machine coal mechanical properties abrasiveness and grindability internal friction coal bed breakage test Technology T
Acceso en línea:	https://doaj.org/article/32d0725d658b4c0aad6bcc77029e2eba
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:32d0725d658b4c0aad6bcc77029e2eba
record_format	dspace
spelling	oai:doaj.org-article:32d0725d658b4c0aad6bcc77029e2eba2021-11-11T16:02:31ZTechnique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems10.3390/en142173001996-1073https://doaj.org/article/32d0725d658b4c0aad6bcc77029e2eba2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7300https://doaj.org/toc/1996-1073The operating costs of breaking coal particles into fine powder, to achieve optimum combustion for the boilers in a power plant, are made up of power input to carry on an energy intensive comminution mechanism and to overcome friction losses within pulverising machines. The operating costs also include the cost of the replacement of the processing system’s components due to wear. This study presents the development and application of an attrition test machine that enables an investigation of the factors that influence pulverizing efficiency. The attrition tester simulates grinding conditions in real vertical spindle mills. In this kind of mill, as with the tester, the size reduction process results from a shearing action during the redistribution of the coal particles. The redistribution and attrition within the coal bed are forced by movement of the rollers (or by a disc rotation, in the case of the tester). The testing method was oriented toward mechanical properties, i.e., internal friction shear strength, abrasiveness and grindability. This method enables facilitated testing procedures and a more exact simulation of grinding in vertical spindle coal mills. Ball-race mills and Loesche roller mills were used.Wojciech GrzegorzekDaniel AdameckiGrzegorz GłuszekAleksander LutyńskiDaniel KowolMDPI AGarticleattrition test machinecoal mechanical propertiesabrasiveness and grindabilityinternal frictioncoal bed breakage testTechnologyTENEnergies, Vol 14, Iss 7300, p 7300 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	attrition test machine coal mechanical properties abrasiveness and grindability internal friction coal bed breakage test Technology T
spellingShingle	attrition test machine coal mechanical properties abrasiveness and grindability internal friction coal bed breakage test Technology T Wojciech Grzegorzek Daniel Adamecki Grzegorz Głuszek Aleksander Lutyński Daniel Kowol Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems
description	The operating costs of breaking coal particles into fine powder, to achieve optimum combustion for the boilers in a power plant, are made up of power input to carry on an energy intensive comminution mechanism and to overcome friction losses within pulverising machines. The operating costs also include the cost of the replacement of the processing system’s components due to wear. This study presents the development and application of an attrition test machine that enables an investigation of the factors that influence pulverizing efficiency. The attrition tester simulates grinding conditions in real vertical spindle mills. In this kind of mill, as with the tester, the size reduction process results from a shearing action during the redistribution of the coal particles. The redistribution and attrition within the coal bed are forced by movement of the rollers (or by a disc rotation, in the case of the tester). The testing method was oriented toward mechanical properties, i.e., internal friction shear strength, abrasiveness and grindability. This method enables facilitated testing procedures and a more exact simulation of grinding in vertical spindle coal mills. Ball-race mills and Loesche roller mills were used.
format	article
author	Wojciech Grzegorzek Daniel Adamecki Grzegorz Głuszek Aleksander Lutyński Daniel Kowol
author_facet	Wojciech Grzegorzek Daniel Adamecki Grzegorz Głuszek Aleksander Lutyński Daniel Kowol
author_sort	Wojciech Grzegorzek
title	Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems
title_short	Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems
title_full	Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems
title_fullStr	Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems
title_full_unstemmed	Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems
title_sort	technique to investigate pulverizing and abrasive performance of coals in mineral processing systems
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/32d0725d658b4c0aad6bcc77029e2eba
work_keys_str_mv	AT wojciechgrzegorzek techniquetoinvestigatepulverizingandabrasiveperformanceofcoalsinmineralprocessingsystems AT danieladamecki techniquetoinvestigatepulverizingandabrasiveperformanceofcoalsinmineralprocessingsystems AT grzegorzgłuszek techniquetoinvestigatepulverizingandabrasiveperformanceofcoalsinmineralprocessingsystems AT aleksanderlutynski techniquetoinvestigatepulverizingandabrasiveperformanceofcoalsinmineralprocessingsystems AT danielkowol techniquetoinvestigatepulverizingandabrasiveperformanceofcoalsinmineralprocessingsystems
_version_	1718432405497315328

Technique to Investigate Pulverizing and Abrasive Performance of Coals in Mineral Processing Systems

Ejemplares similares