GB/T 15224.3-2022 PDF EnglishUS$110.00 · In stock · Download in 9 seconds
GB/T 15224.3-2022: Classification for quality of coal - Part 3: Calorific value Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 15224.3: Historical versions
Similar standardsGB/T 15224.3-2022: Classification for quality of coal - Part 3: Calorific value---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT15224.3-2022NATIONAL 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 ContentsForeword ... 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 ... 6ForewordThis 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 value1 ScopeThis 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 referencesThe 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 exploration3 Terms and definitionsThere are no terms and definitions that need to be defined in this document.4 Classification of calorific value of seam coalThe calorific value of coal seam is classified according to Table 1. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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