This standard specifies the classification and nomenclature of coal according to the range of higher calorific value (Qgr d) on a dry basis. This standard applies to the classification of coal calorific value in coal exploration, production, processing and utilization, and coal sales. GB/T 15224.3-2004 Coal quality classification Part 3: Calorific value GB/T15224.3-2004 standard download decompression password: www.bzxz.net

ICS 73.040
National Standard of the People's Republic of China
GB/T15224.32004
Generation (31522..1S91
Classification for coal quality-Pnrt 3: Calorific value
Classification for coal quality-Pnrt 3: Calorific value value2004-04-30 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of the People's Republic of China
2004-10-01 Implementation
G/T1324 Coal quality fraction is divided into 3 parts: First, second, third parts: third, third parts: heating standard:
GB/I15224.3—2004
This part is the third part of R/T1:21. Compared with R/T15221.3—1094, the main modifications are as follows: The name of the standard is Mishan coal quality classification coal heating standard Classification\Changed to coal quality classification without heat oxygen", coal quality classification according to the calorific value (calorific value) of the coal received by the State Administration of Industry and Information Technology (SAIT) when receiving the high calorific value (calorific value) of the coal and the deep calorific value (must be) of the coal to be classified separately (the width of the version, the 3rd product of this part); the original calorific value grade of white flash coal was changed to: no return coal, smoke drying grade: fluff grade, root coal grade: % grade, the 2nd version of the previous version, the 3rd version of this part):
This standard is appended to the appendix of conformity,
This standard is issued by the China Coal Industry Association at public expense, and this standard is issued by the National Coal Standardization Technical Association. This standard was drafted by: Beijing Coal and Chemical Research Institute, Junlinhe Frozen Industry Co., Ltd. This standard was first issued in 194 by Xu Huajun, Wu Chang, Liu Banyun, and Zhang Xiaozhou. This standard is the first revision. This standard is the first revision of this standard ... GR/T3-20 (for the standard of the technical conditions of the conversion of Beijing Ming Mao 3GT1: 200 atmospheric pressure solid pet case coal gas generation protection coal technology tea 31SS8: typical product variety profit etc. frequency classification 3GB: T17608
142-. Article weak coal calibration technical conditions
P13317: 2 high-temperature table conditions 3
1 Scope
Coal quality classification Part 3: Heating products
This standard is formulated for the classification and naming of coal ash. The main production and processing of coal ash is in the calorific value classification of the 2 standard reference documents
CB/T 15224,3—2004
The following clauses are based on B:12 of this part and are part of the series. All amendments to this part (including any amendments after the date of this Agreement) or to other versions after the date of this Agreement are applicable. However, the latest version of this part shall apply if this document is not updated. For any clauses not specified in the Agreement, the latest version shall apply.
GB/T213
Medium heat test method G/2.3—20u1S 0
Preparation method of coal sample 474-91519881175
Product taking-1
3 Coal calorific value classification
The calorific value classification of anthracite and smokeless coal shall be carried out according to Table 1, Table 1
Grading of calorific value of anthracite and smokeless coal
Extra high calorific value
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The table of calorific value number flow code 2 is selected.
Classification of calorific value of coal
Term name:
High calorific value standard
Medium calorific value white solid
Low calorific value
Test of calorific value of coal
4.1 Preparation of calorific value of coal
The coal sample shall be taken according to the requirements of GR475 and the thermal conductivity of B171. 1.7 Test method of calorific value of carbonization
It shall be modified according to GE:731.
Heat value (ratio/M[/
24. - 18. 2u
GD/T15224.3—2004
A.1 Expression of main calorific value
Natural quantity name
F supply base natural gas base
Variable gas dryness mutual substitution base
Received base low response potential
A.2 Conversion formula
Yang Record 4
Data record
Conversion symbols between main variable calorific value expressions
Qs=100-M.
Q. -- Qa+<- Mu)
Q - (Omm-0. 266 Ha)×-. M.
Q (Qd 0. 2C6 H,: X(100 -M -0. 023 1H
X Icc -
Where:
·Air dry base fraction:
M—will be a small fraction, send
air ten filter base hydrogen
H.- to detect M or,%.
MJ·kr
R.....(A.3)
MI'kg......-t A....+
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