GB/T 25039-2010 English PDF

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GB/T 25039-2010: Determination and calculation of heat balance for fibre glass unit melter
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25039-2010	1099	Add to Cart	7 days	Determination and calculation of heat balance for fibre glass unit melter	Valid

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Basic data

Standard ID: GB/T 25039-2010 (GB/T25039-2010)
Description (Translated English): Determination and calculation of heat balance for fibre glass unit melter
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q36
Classification of International Standard: 59.100.10
Word Count Estimation: 50,585
Date of Issue: 2010-09-02
Date of Implementation: 2011-05-01
Quoted Standard: GB/T 384; GB/T 1884; GB/T 2624.2; GB/T 8222; SYL 04
Regulation (derived from): National Standard Approval Announcement 2010 No.4 (Total No.159)
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 fiberglass unit kiln heat balance, thermal efficiency of the determination and calculation of symbols and units, benchmarks, thermal equilibrium block diagram of the recording, , test items and methods, material balance calculations, thermal balance calculation and thermal efficiency calculation methodology. This standard applies to liquid fuels, gaseous fuels and electric energy as the heat source unit of glass fiber kiln.

GB/T 25039-2010: Determination and calculation of heat balance for fibre glass unit melter

---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.
Determination and calculation of heat balance for fibreglass unit melter ICS 59.100.10 Q36 National Standards of People's Republic of China Glass fiber kiln unit thermal balance determination and calculation method Issued on. 2010-09-02 2011-05-01 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 Units 1 and 3 symbols 4 Benchmark 1 5 System 1 6 Box 2 thermal equilibrium 7 test preparation, requirements, records, and Tier 2 project Material balance calculation 8 3 8.1 furnace material balance calculations 3 8.2 channel material balance calculation 8 9 9 Heat balance calculation 9.1 furnace heat balance calculation 9 9.2 Heat balance calculation path 16 Thermal efficiency calculation 10 19 Appendix A (normative) Symbols and units 21 Appendix B (normative) unit Basic and kiln heat balance parameter measurement results are reported in Table 28 Annex C (normative) Calculation of calorific fuel 34 Annex D (normative) Selection and calculation methods measured gas flow measuring point 35 Determination of moisture content 37 Appendix E (normative) Smoke Annex F (normative) Table 39 various types of data Annex G (normative) the theoretical amount of air, flue gas and air volume coefficient 42 Annex H (normative) per kg of powder (wet basis) the amount of product gas to escape and form an oxide Calculation 43 Annex I (normative) theory molten glass fining temperature and average specific heat capacity calculation method 44 References 46

Foreword

The Standard Appendix A, Appendix B, Appendix C, Appendix D, Appendix E, Appendix F, Appendix G, Appendix H and Appendix I are normative appendix. The standard proposed by China Building Materials Federation. This standard by the National Standardization Technical Committee fiberglass (SAC/TC245) centralized. This standard is drafted by. Nanjing Fiberglass Research and Design Institute, Sinoma Science & Technology Co., Ltd. Participated in the drafting of this standard. Jushi Group. The main drafters of this standard. Xuwen days Gedui Shi, Wang Yumei, director Hok Yin. Please note that some of the content of this standard may involve proprietary content, the issuing authority of this standard should not bear the responsibility to identify these patents. Glass fiber kiln unit thermal balance determination and calculation method

1 Scope

This standard specifies the fiberglass unit kiln heat balance, heat efficiency measurement and calculation of symbols and units, reference systems, thermal equilibrium block diagram, Record, test items and methods, material balance calculations, thermal balance calculation and the thermal efficiency calculation methods. This standard applies to liquid fuels, gaseous fuels and electric energy as the heat source unit of glass fiber kiln.

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 384 Petroleum products - Determination of calorific value GB/T 1884 crude oil and liquid petroleum products - Laboratory determination of density (density meter method) GB/T 2624.2 with the differential pressure measuring device mounted to round pipe full pipe fluid flow - Part 2. Orifice GB/T 8222 General electrical equipment, energy balance Standard Orifice gas flow measurement methods SYL04

3 Symbols and units

Symbols and units used in this standard is given in Appendix A.

4 reference

4.1 heat balance calculations to 0 ℃ as the reference temperature. 4.2 Application of fuel to heat the fuel calorific reference. Volume of gas are 4.3 standard state (0 ℃, 101325Pa) amount of volume under reference. 4.4 reference mass in kilograms. 4.5 Calculation of the time are hours as a benchmark. 4.6 air using the following composition. Fraction by volume. oxygen (O2) 21.0%, nitrogen (N2) 79.0%. Mass fraction. oxygen (O2) 23.2%, nitrogen (N2) 76.8%.

5 system

5.1 consists of two separate systems. 1) furnace system; 2) the passage system. When thermal equilibrium calculations, these two systems are calculated separately. 5.2 furnace system includes a melting portion, the liquid flow hole, horizontal flue flue vertical, metal heat exchangers, piping hot. Interface furnace system They are. the outer surface of the kiln, with the material inlet port and feed molten glass away from the flowing liquid interface hole, combustion air and fuel into the metal heat exchangers and other objects Material into the melting unit, an air vent vent pipe leaving the heat exchanger, the flue gas leaving the heat exchanger interface. Of pure oxygen combustion of furnace systems are not included Metal heat exchanger, combustion oxygen through the lance directly into the melting unit, the flue gas leaving the furnace flue vertical boundary interface as furnace system surface. Other interface with air for combustion of furnace systems. 5.3 channel system includes a main passage, the transition path and forming path as well as the chimney smoke. Interface access system are. the glass leave Liquid flow passage hole into the main interface, leaving the glass plate flow of each drain tank interface, fuels and combustion gases into the passage, the flue gas leaving each Exhaust chimney interface. ......

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