GB/T 15224.3-2022 English PDF (GBT15224.3-2022)

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GB/T 15224.3-2022: Classification for quality of coal -- Part 3: Calorific value
GB/T 15224.3-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 73.040
CCS D 20
Replacing GB/T 15224.3-2010
Classification for quality of coal - Part 3: Calorific value
ISSUED ON: APRIL 15, 2022
IMPLEMENTED ON: NOVEMBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3 
Introduction ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions... 5 
4 Classification of calorific value of seam coal ... 5 
5 Inspection of calorific value of coal ... 6 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2020
“Directives for standardization - Part 1: Rules for the structure and drafting of
standardizing documents”.
This Standard is Part 3 of GB/T 15224 “Classification for quality of coal”. The
following parts of GB/T 15224 have been issued:
- Part 1: Ash;
- Part 2: Sulfur content;
- Part 3: Calorific value.
This Standard replaces GB/T 15224.3-2010 “Classification for quality of coal - Part 3:
Calorific value”. Compared with GB/T 15224.3-2010, in addition to structural and
editorial changes, the main technical changes in this Standard are as follows:
a) Change the extraction and preparation of coal sample. Add the provisions on
extraction of coal seam samples. Delete the provisions on extraction of
commercial coal samples (see 5.1 of this Edition, 4.1 of Edition 2010).
Attention is drawn to the possibility that some of the elements of this Standard may be
the subject of patent rights. The issuing authority shall not be held responsible for
identifying any or all such patent rights.
This Standard was proposed by China Coal Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee on Coal
of Standardization Administration of China (SAC/TC 42).
The drafting organizations of this Standard: Coal Science and Technology Research
Institute Co., Ltd., National Energy Investment Group Co., Ltd. Coal Management
Branch, Huaibei Mining Co., Ltd., Xinjiang Uygur Autonomous Region Coal and
Coalbed Methane Testing Institute (Xinjiang Uygur Autonomous Region Coal Product
Quality Testing Center).
Main drafters of this Standard: Ding Hua, Bai Xiangfei, Tu Hua, Wang He, Chen Gui,
Wang Yu, Wu Hailong, Zhou Xiaohui, Zhou Jian, Zhang Yuhong.
Versions of standard substituted by this Standard are:
- GB/T 15224.3-1994 that was issued in 1994 for the first time. It was revised for
the first time in 2004. It was revised for the second time in 2010;
- This is the third revision.
Classification for quality of coal - Part 3: Calorific value
1 Scope
This document specifies the classification, naming and inspection of coal calorific value
according to the range of high calorific value on dry basis (Qgr,d).
This document is applicable to the exploration and evaluation of coal resources. It
guides the production, processing and utilization of coal.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 213, Determination of calorific value of coal
GB/T 474, Method for preparation of coal sample
GB/T 482, Sampling of coal seams
GB/T 19494.2, Mechanical sampling of coal - Part 2: Method for sample
preparation
MT/T 1090, Evaluation of coal quality in coal resource exploration
3 Terms and definitions
There are no terms and definitions that need to be defined in this document.
4 Classification of calorific value of seam coal
The calorific value of coal seam is classified according to Table 1.