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GB/T 25212-2010: Classification and quality grading for blue-coke
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GB/T 25212-2010: Classification and quality grading for blue-coke

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Classification and quality grading for blue-coke ICS 75.160.10 D20 National Standards of People's Republic of China Blue carbon product varieties and classification Issued on. 2010-09-26 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. Coal Research Institute Beijing Coal Chemical Research Branch, Yulin City of Shaanxi Province Technology Center for Economic Research, Xi'an Metallurgical Engineering Technology Research Center of Shaanxi Province Architecture and Technology, Shaanxi Coal Chemical Industry Group Co., Ltd. The main drafters of this standard. meteorite Luo Fei, Li Jinzhu, Lan-Xin Zhe, Wei, Zhao Xicheng, Ding Hua, Jiang Ying, Shang Wenzhi. Blue carbon product varieties and classification

1 Scope

This standard specifies the semi-coke product-related terms and definitions, classification and product quality level division. This standard applies to all types of semi-coke products.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Analysis Method GB/T 212 coal (GB/T 212-2008, ISO 11722.1999, Solidmineralfuels-Hard coal-Determinationofmoistureinthegeneralanalysistestsamplebydryinginnitrogen; ISO 1171. 1997, Solidmineralfuels-Determinationofash; ISO 562.1998, Hardcoalandcoke-Determinationof volatilematter, NEQ) GB/T 214 Determination (GB/T 214-2007, ISO 334 total sulfur in coal.1992, Solid mineralfuels- Determinationoftotalsulfur-Eschkamethod; ISO 351.1996, Solidmineralfuels-Determinationof totalsulfur-Hightemperaturecombustionmethod, NEQ)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Blue carbon blue-coke No high volatile bond or weak bonding of bituminous coal dry distillation pyrolysis at low temperature conditions to obtain a low volatile solid carbonaceous product. 3.2 Blue carbon mixed rawblue-coke Without crushing and screening blue carbon products, the general size of less than 50mm or less than 80mm. 3.3 Blue charcoal sizedblue-coke Crushed or sieved to give a particle size of greater than or equal to 6mm blue charcoal products. 3.4 Chunks of blue carbon large-sizedblue-coke Size greater than 25mm blue charcoal products. 3.5 Block blue carbon medium-sizedblue-coke Particle size between 13mm ~ 25mm blue charcoal products. 3.6 Small blue carbon smal-sizedblue-coke Particle size between 6mm ~ 13mm blue charcoal products. ...