GB/T 15224.1-2018Classification for quality of coal - Part 1: Ash (English PDF)
煤炭质量分级 第1部分：灰分
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
May 14, 2018
Implementation date
September 1, 2018
Scope
GB/T 15224.1-2018 is the English-translated version of 煤炭质量分级 第1部分：灰分.
GB/T 15224.1-2018 is Part 1 of the Chinese national scheme for classifying coal quality, and it deals with ash. It sets out how coal is classified by its dry basis ash range (Ad), how each class is named and how ash is inspected, and it applies to coal resource exploration and evaluation as well as to guidance on coal production and processing.
The classification of coal seam ash is given in a table, and clause 2 cites GB/T 212, GB/T 474, GB/T 482, GB/T 19494.2, GB/T 30732 and MT/T 1090. Compared with the 2010 edition, medium ash is renamed high ash and high ash becomes ultra-high ash, and the classification of commercial ash is dropped.
It replaces GB/T 15224.1-2010, was issued on 14 May 2018 and has applied since 1 September 2018.
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Document preview — GB/T 15224.1-2018
National Standard of the People's Republic of China
- ICS
- 73.040
- Classification
- D20
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Foreword3
- 1 Scope5
- 2 Normative references5
- 3 Classification of coal seam ash5
- 4 Inspection of ash6
Foreword
GB/T 15224 "Classification for quality of coal" consists of three parts.
- Part 1. Ash;
- Part 2. Sulfur content;
- Part 3. Calorific value.
This Part is Part 1 of GB/T 15224.
This Part replaces GB/T 15224.1-2010 "Classification for quality of coal - Part 1. Ash".
Compared with GB/T 15224.1-2010, in addition to editorial modifications, the main technical deviations in this Part are as follows:
- added "GB/T 482" "GB/T 30732" "MT/T 1090" as references in normative references (see Clause 2 of this Edition);
- deleted "GB/T 475" "GB/T 19494.1" "Procedures for coal sampling of coal resource exploration (formerly issued by the Ministry of Coal in 1979)" from normative references (see Clause 2 of this Edition);
- modified "medium ash" as "high ash", "high ash" as "ultra-high ash" (see Table 1 of this Edition);
- added the note to the table that "if the ash is greater than 40%, the coal resource reserves shall not be calculated" (see Table 1 of this Edition);
- deleted the classification of commercial ash (see Clause 4 of Edition 2010).
1 Scope
This Part of GB/T 15224 specifies the classification of coal based on dry basis ash (Ad) range, naming and inspection of ash.
This Part is applicable to coal resource exploration and evaluation, as well as guidance on coal production and processing.
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 212, Proximate analysis of coal
GB/T 474, Preparation of coal sample
GB/T 482, Sampling of coal in seams
GB/T 19494.2, Mechanical sampling of coal Part 2. Method for sample preparation
GB/T 30732, Proximate analysis of coal - Instrumental method
MT/T 1090, Coal resource exploration and evaluation standard of medium
3 Classification of coal seam ash
The coal seam ash is classified according to Table 1. […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 212Proximate analysis of coal
- GB/T 482Sampling of coal seams
- GB/T 19494.2Mechanical sampling of coal - Part 2: Method for sample preparation
- GB/T 30732Proximate analysis of coal by instrumental method
- MT/T 1090Evaluation of Coal Quality in Coal Resource Exploration
GB/T 474
Cited by
- NB/T 11457-2023Technical guidelines for coal blending in coking
- GB/T 36603-2018Information description of product for electronic commerce transaction—Coal
- SN/T 4023-2013Quality evaluation requirement for import and export steam coal
- GB 25960-2010Rules for steam coal blending
- MT/T 1090-2008Evaluation of Coal Quality in Coal Resource Exploration
Similar standards
Editions of GB/T 15224.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 15224.1-2018 | Classification for quality of coal - Part 1: Ash | current edition | Current |
| GB/T 15224.1-2010 | Classification for quality of coal—Part 1:Ash | previous edition | Superseded |
This page sells the current edition, GB/T 15224.1-2018. Earlier editions are listed for reference only.
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Related Standards
GB/T 19494.2-2023 — Mechanical sampling of coal - Part 2: Method for sample preparation
GB/T 212-2008 — Proximate analysis of coal
GB/T 21200-2024 — Toner used in dry dual-component developer for laser printers
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