GB/T 30047-2013 English PDFUS$149.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 30047-2013: Methods for evaluating the floatability of fine coal Status: Valid
Basic dataStandard ID: GB/T 30047-2013 (GB/T30047-2013)Description (Translated English): Methods for evaluating the floatability of fine coal Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: D27 Classification of International Standard: 73.040 Word Count Estimation: 5,575 Quoted Standard: GB/T 7186; GB/T 16417; GB/T 30046.2 Regulation (derived from): National Standards Bulletin No. 25 of 2013 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the pulverized coal (mud) Flotability terms and definitions, assessment methods and Flotability grade and division indicators. This standard applies to a particle size of less than 0. 5mm of bituminous coal and anthracite. GB/T 30047-2013: Methods for evaluating the floatability of fine coal---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Methods for evaluating the flotability of fine coal ICS 73.040 D27 National Standards of People's Republic of China Pulverized coal (mud) can float assessment method Issued on. 2013-12-17 2014-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. Tangshan Coal Science Research Institute, the world (Tangshan) Mining Co., Ltd., Tangshan Science and Technology have Limited. The main drafters of this standard. Cheng Hongzhi, Shi Huan, Liu Chunyan, Shi Yingxiang, Weichang Jie, Wenhua, Gu Shaoxiong. This standard was first formulated. Pulverized coal (mud) can float assessment method1 ScopeThis standard specifies the pulverized coal (mud) Flotability terms and definitions, assessment methods and rating and float division indicators. This standard applies to a particle size of less than 0.5mm of bituminous coal and anthracite.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 7186 PREPARATION term (GB/T 7186-2008, ISO 1213-1.1993, MOD) GB/T 16417 coal washability assessment method GB/T 30046.2 pulverized coal (mud) flotation testing - Part 2. Test method for evaluating the order3 Terms and DefinitionsGB/T 7186 defined by the following terms and definitions apply to this document. 3.1 Pulverized coal (mud) coalfines (slime) Particle size less than 0.5mm of dry coal (called wet slime).4 Evaluation Method4.1 Evaluation indicators Coal combustible body recovery Ec (%). 4.2 Calculation of Evaluation Index Evaluation Index calculated as follows. a) determining the ash content Ad, c (%); b) in accordance with GB/T 30046.2 sequential evaluation test, drawing the yield based on the experimental data - the cumulative curve ash floating objects, press OK The ash content Ad, c (%) isolated from coal theoretical yield curve γc (%); c) according to equation (1) to calculate Ec, the results after taking one decimal place, where the yield value and ash taken two decimal places. Ec = γc (100-Ad, c) 100-Ad, f (1) Where. Ec --- coal combustible body recovery,%; γc --- coal theoretical yield,%; Ad, c --- coal ash on a dry basis,%; Ad, f --- feeding dry ash,%. ...... |
