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GB/T 1576-2018 English PDF

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GB/T 1576-2018: Water quality for industrial boilers
Status: Valid

GB/T 1576: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 1576-2018English459 Add to Cart 4 days [Need to translate] Water quality for industrial boilers Valid GB/T 1576-2018
GB/T 1576-2008EnglishRFQ ASK 5 days [Need to translate] Water quality for industrial boilers Obsolete GB/T 1576-2008
GB 1576-2001EnglishRFQ ASK 9 days [Need to translate] Water quality for industrial boilers Obsolete GB 1576-2001
GB 1576-1996EnglishRFQ ASK 3 days [Need to translate] Water quality for low pressure boilers Obsolete GB 1576-1996
GB 1576-1985EnglishRFQ ASK 3 days [Need to translate] Water quality for low pressure boiler Obsolete GB 1576-1985

PDF similar to GB/T 1576-2018


Standard similar to GB/T 1576-2018

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Basic data

Standard ID GB/T 1576-2018 (GB/T1576-2018)
Description (Translated English) Water quality for industrial boilers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J75
Classification of International Standard 27.060.30
Word Count Estimation 23,286
Date of Issue 2018-05-14
Date of Implementation 2018-12-01
Older Standard (superseded by this standard) GB/T 1576-2008
Quoted Standard GB/T 601; GB/T 603; GB/T 6682; GB/T 6903; GB/T 6904; GB/T 6907; GB/T 6908; GB/T 6909; GB/T 6913; GB/T 12145; GB/T 12151; GB/T 12152; GB/T 12157; GB/T 13689; GB/T 14415; GB/T 14427; GB/T 15453; GB/T 15893.1; GB/T 29340; DL/T 502.1; DL/T 502.25
Regulation (derived from) National Standards Announcement No. 6 of 2018
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies the water quality requirements for feed water, pot water, steam return water, and make-up water during industrial boiler operation. This standard is applicable to fixed steam boilers, steam-water dual-purpose boilers and hot water boilers whose rated outlet steam pressure is less than 3.8 MPa and uses water as the medium. This standard does not apply to boilers made of aluminum.

GB/T 1576-2018: Water quality for industrial boilers

---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.
Water quality for industrial boilers ICS 27.060.30 J75 National Standards of People's Republic of China Replace GB/T 1576-2008 Industrial boiler water quality Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Water quality standard 2 5 Water quality analysis method 6 Appendix A (Normative) Determination of dissolved oxygen (oxygen electrode method) 8 Appendix B (Normative) Determination of dissolved solids (gravimetric method) 10 Appendix C (Normative) Indirect determination of dissolved solids in pot water 12 Appendix D (Normative) Determination of Phosphate (Phosphorus Molybdenum Blue Colorimetric Method) 15 Appendix E (Normative) Determination of alkalinity (acid-base titration) 17 Appendix F (Normative) Determination of sulfite (Iodometric method) 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 1576-2008 "Industrial Boiler Water Quality". Compared with GB/T 1576-2008, except for editorial changes The technical changes are as follows. --- Revised the definition of "raw water" and "demineralized water"; changed "backwater" to "steam boiler backwater", "added medicine in pot" to "water in pot" "" and revised the definition; added the term "natural alkalinity" (see Chapter 3, Chapter 3 of the.2008 edition); --- Added 4.1 General (see 4.1); --- Unified the indicator value of the turbidity of the feed water; modified the pH value of the feed water and the alkalinity of the pot water; increased the conductivity index of the pot water (see Table 1, Table 1 of the.2008 edition; --- Revised the scope and requirements for water treatment in the pot (see 4.3.1, 4.2.1 of the.2008 edition); --- Increased the indicator of water supply iron (see Table 2); --- Modified the dissolved oxygen index of the feed water and the lower limit of the feed water alkalinity of the direct current boiler; increased the power of the cross-flow and DC boiler feed water and pot water Conductivity indicator (see Table 3, Table 5 of the.2008 edition); --- Increased the index of copper in the steam boiler backwater (see Table 4); --- Removed the "oil" indicator; modified the upper limit of pH in the pot water; increased the iron, oil, phenolic alkalinity, dissolved oxygen index (see Table 5, Tables 3 and 4 of the.2008 edition); --- Removed boiler blowdown rate control requirements for feed water quality (see 4.5.4 of the.2008 edition); --- Water quality analysis method, the turbidity determination method was changed from the.2008 edition of Appendix A to GB/T 15893.1 method; the determination of oil was deleted. The.2008 version of Appendix C method; the total iron determination increased the GB/T 14427 method; the dissolved solids determination increased GB/T 14415 Method, newly added GB/T 13689 copper determination method; chloride determination (ammonium thiocyanate titration method) from the.2008 edition of Appendix G Changed to the GB/T 29340 method (see Chapter 5, Chapter 5 of the.2008 edition, Appendix A, Appendix C and Appendix G); --- Revised B.4.2 of Appendix B (see B.4.2,.2008 edition of D.4.2); --- Removed the.2008 edition of Appendix A, Appendix C and Appendix G (see Appendix A, Appendix C and Appendix G of the.2008 edition). This standard is proposed and managed by the National Boiler and Pressure Vessel Standardization Technical Committee (SAC/TC262). This standard was drafted. China Boiler Water Treatment Association, Guangzhou Special Pressure Equipment Inspection and Research Institute, Ningbo Special Equipment Inspection and Research Institute, Jiangsu Special Equipment Safety Supervision and Inspection Institute Changzhou Branch, Henan Boiler and Pressure Vessel Safety Testing Institute, Jiangsu Province Wuxi Branch of Equipment Safety Supervision and Inspection Institute, Zibo Branch of Shandong Special Equipment Inspection and Research Institute, Shanghai Zhenzhen Water Treatment Technology Co., Ltd. Company, Huikeqi (Tianjin) Water Quality Additive Co., Ltd., Dalian Boiler and Pressure Vessel Inspection and Research Institute, Beijing Kangjie's morning water treatment technology Co., Ltd., Beijing Yinghao Environmental Protection Equipment Co., Ltd., Shenzhen Special Equipment Safety Inspection Institute. The main drafters of this standard. Wang Jiaoling, Yang Lin, Zhou Ying, Hu Yuexin, Lu Lifang, Deng Hongkang, Zhang Wenhui, Wang Yazhen, Feng Peixuan, Zhao Bo, Zhang Juguang, Wang Shijie, Li Xiangshu, Chen Jiacong, Guo Linyuan. The previous versions of the standards replaced by this standard are. ---GB 1576-1979, GB 1576-1985, GB 1576-1996, GB 1576-2001, GB/T 1576-2008. Industrial boiler water quality

1 Scope

This standard specifies the water quality requirements for feed water, pot water, steam return water and make-up water during industrial boiler operation. This standard is applicable to fixed steam boilers, steam-water dual-purpose boilers with rated outlet steam pressure less than 3.8 MPa and water as medium. Hot water boiler. This standard does not apply to boilers made of aluminum.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Preparation of GB/T 601 chemical reagent standard titration solution Preparation of preparations and products used in GB/T 603 chemical reagent test method GB/T 6682 Analytical laboratory water specifications and test methods GB/T 6903 General rules for analysis of boiler water and cooling water GB/T 6904 Determination of pH in industrial circulating cooling water and boiler water GB/T 6907 boiler water and cooling water analysis method water sample collection method GB/T 6908 Boiler water and cooling water analysis methods - Determination of conductivity GB/T 6909 Determination of hardness of boiler water and cooling water GB/T 6913 Determination of boiler water and cooling water - Determination of phosphate GB/T 12145 Thermal power generation and steam power equipment water vapor quality GB/T 12151 Determination of turbidity of water and cooling water for boilers (Fuma turbidity) GB/T 12152 Determination of oil content in boiler water and cooling water GB/T 12157 Determination of dissolved oxygen in industrial circulating cooling water and boiler water GB/T 13689 Determination of copper in industrial circulating cooling water and boiler water GB/T 14415 Determination of solid matter in industrial circulating cooling water and boiler water GB/T 14427 Determination of boiler water and cooling water - Determination of iron GB/T 15453 Determination of chloride ion in industrial circulating cooling water and boiler water GB/T 15893.1 Determination of turbidity in industrial circulating cooling water GB/T 29340 - Determination of chloride and cooling water - Determination of chloride - Ammonium thiocyanide titration DL/T 502.1 Methods of analysis of water vapor in thermal power plants - Part 1. General Methods of analysis of water vapors - Part 25. Determination of total iron (sulfosyl salicylic acid spectrophotometric method)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Raw water rawwater The source water of the boiler feed water.

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