GB/T 15224.1-1994 Coal quality classification Coal ash classification
Basic Information
Standard ID:
GB/T 15224.1-1994
Standard Name: Coal quality classification Coal ash classification
Chinese Name:
煤炭质量分级 煤炭灰分分级
Standard category:National Standard (GB)
state:Abolished
Date of Release1994-09-24
Date of Implementation:1995-08-01
Date of Expiration:2004-10-01
standard classification number
Standard ICS number:Mining and Mineral Products >> 73.040 Coal
Standard Classification Number:Mining>>Solid Fuel Mines>>D20 Solid Fuel Mines Comprehensive
Publication information
other information
Review date:2004-10-14
Drafting unit:Beijing Institute of Chemical Engineering, China Coal Research Institute
Focal point unit:National Coal Standardization Technical Committee
Introduction to standards:
GB/T 15224.1-1994 Coal quality classification Coal ash classification GB/T15224.1-1994 Standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Classification of coal quality
Classification of coal ash
Classification for quality of coal-Classification for ash yield of coalSubject content and scope of application
This standard specifies the classification of coal according to the range of dry basis ash (Aa) and its nomenclature. This standard applies to the classification of coal according to ash content in coal exploration, production and processing and utilization. Classification of coal ash
Coal ash content is classified according to the following table:
Additional instructions:
Grade name
Extra-low ash coal
Low ash coal
Low-medium ash coal
Medium ash coal
Medium-high ash coal
High ash coal
This standard is proposed by the Ministry of Coal Industry of the People's Republic of China. This standard is under the jurisdiction of the National Coal Standardization Technical Committee. This standard is drafted and interpreted by the Beijing Coal Chemistry Research Institute of the China Coal Research Institute. The main drafters of this standard are Chen Wenmin, Liu Shuyun and Wang Zhiling. Approved by the State Bureau of Technical Supervision on September 24, 199416
GB/T 15224.1--94
Ash content (Aa) range, %
5. 0110. 00bZxz.net
10. 01~20. 00
20. 01~30. 00
30. 01~~40. 00
40.01~~50.00
Implementation on August 1, 1995
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