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GB/T 21923-2008 English PDF

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GB/T 21923-2008: General testing rules for solid biofuel
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PDF similar to GB/T 21923-2008


Standard similar to GB/T 21923-2008

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Basic data

Standard ID GB/T 21923-2008 (GB/T21923-2008)
Description (Translated English) General testing rules for solid biofuel
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D21
Classification of International Standard 75.160.10
Word Count Estimation 26,281
Date of Issue 2008-05-26
Date of Implementation 2008-11-01
Quoted Standard GB/T 483; GB/T 6379.2
Adopted Standard DD CEN/TS 14588-2004, NEQ; DD CEN/TS 14961-2005, NEQ
Regulation (derived from) National Standard Approval Announcement 2008 No.9 (Total No.122)
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 test of solid biomass fuels terms and definitions related, test sample, , classification and determination of characteristic information, symbol, measurement results presentation, results are translated, solution and its concentration, method precision, test records and test reports, etc.. This standard applies to solid biomass fuels standard test methods and specifications, documents, Books, textbooks and manuals. This standard applies to a variety of sources, as well as solid biomass fuel trade in various forms and various characteristics.

GB/T 21923-2008: General testing rules for solid biofuel

---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.
General testing rules for solid biofules ICS 75.160.10 D21 National Standards of People's Republic of China Solid biomass fuels General Inspection Posted 2008-05-26 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Classification and characteristic information 12 4.1 Overview 12 4.2 Classification according to the source and the source of growth 12 4.3 Classification of goods in the form of information and features 16 5 Sample 18 5.1 Sampling 18 Sample preparation 18 5.2 5.3 Test Sample 18 5.4 Save 18 test samples 6 Determination of 18 6.1 Determination of Item 18 6.2 Test method requires 19 6.3 Determination of the number 19 6.4 Test sample Weigh 19 6.5 Moisture Term 19 7 measurement results presentation 19 7.1 Expression of results symbols 19 20 7.2 Conversion group 7.3 Digital rounding 20 7.4 Results Report 20 8 precision approach 21 8.1 repeatability limit 21 8.2 Reproducibility critical difference 21 8.3 precision of the method of determining 21 9 solution and the concentration of 22 9.1 solution 22 9.2 concentration 22 10 test records and test reports 22 10.1 22 Test record 10.2 Test Report 22

Foreword

This corresponds to the EU standard release solid biomass fuel testing standards (technical specifications) DDCEN/T S14588.2004 "solid biomass Biomass fuel --- terminology, definitions and descriptions "(in English) and DDCEN/T S14961.2005" solid biomass fuel --- fuel specifications And classification "(in English). This standard DDCEN/T S14588.2004 and DDCEN/T S14961.2005 non-degree of consistency Equivalent. The standard proposed by China Coal Industry Association. This standard by the National Standardization Technical Committee of Coal. This standard was drafted. CCRI coal analysis laboratory (National Coal Quality Supervision and Inspection Center). The main drafters of this standard. Li Yinghua, Zhang Ke Rui, Shi Yuying, Han Liting. This standard was first formulated. Solid biomass fuels General Inspection

1 Scope

This standard specifies the testing of solid biomass fuel-related terms and definitions, classification and characteristics information, sample test, measurement, symbols, testing Expression of results given, the results in terms of the solution and its concentration, precision of the method, the test records and reports, and more. This standard applies to solid biomass fuel test method standards and technical specifications, documents, books, textbooks and manuals. This standard applies to different sources, and solid biomass fuel trade in various forms and various properties. Note. solid biomass fuel specified in this standard does not include garbage.

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. GB/T 483 coal analysis test methods - General provisions GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Biological origin materials, not included in the ground form and transformed into fossils. Note. See also herbaceous biomass, fruit biomass and woody biomass. 3.2 From trees, bushes and shrubs biomass. 3.3 Non-woody biomass derived stem and seasonal plants. 3.4 Biomass derived from plants contain seeds that part. For example. nuts, olives. 3.5 Directly or indirectly from biomass production of solid fuel. 3.6 Different biomass fuels are artificially blended to form a biomass fuel. For example. Straw or energy grass with wood blending, dry blending bio-slurry and bark.

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