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GB/T 34060-2017 English PDF

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GB/T 34060-2017: Steam heat calculation method
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Basic data

Standard ID GB/T 34060-2017 (GB/T34060-2017)
Description (Translated English) Steam heat calculation method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F04
Classification of International Standard 27.010
Word Count Estimation 74,799
Date of Issue 2017-07-31
Date of Implementation 2018-02-01
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

GB/T 34060-2017: Steam heat calculation method

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Steam heat calculation method ICS 27.010 F04 National Standards of People's Republic of China Steam heat calculation method 2017-07-31 Posted 2018-02-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ Introduction Ⅱ 1 Scope 1 2 Terms, definitions and symbols, code 1 2.1 Terms and definitions 1 2.2 symbol and code 2 3 Calculation Method 3 3.1 Calculation of heat 3 3.2 Determination of calorie-related parameters to determine the method 4 4 Calculation of steam properties 6 4.1 than the enthalpy 6 4.2 density 8 4.3 Than the entropy 8 4.4 sound speed 9 4.5 Dynamic viscosity 10 4.6 Isentropic index 11 5 Specific enthalpy calculation method to introduce the uncertainty 12 Appendix A (Normative) Steam properties Table 13 Appendix B (informative) Steam heat calculation example 66 References 70

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This standard by the National Measurement Instruments Management Standardization Technical Committee (SAC/TC525) and focal point. The main drafting units of this standard. Beijing Bosi Da New Century Measurement and Control Technology Co., Ltd., China Institute of Metrology, China Petroleum and Chemical Industry Co., Ltd. Jinling Branch, China National Petroleum Corporation Lanzhou Petrochemical Branch, Shijiazhuang Huadian Heating Group Co., Ltd. Division, Guangdong Institute of Metrology, Yinchuan melting Shenwei Automation Co., Ltd., Beijing Feshou Porter Technology Development Co., Ltd., Enders House (China) Automation Co., Ltd., Beijing Qingyang Instrument Technology Co., Ltd., Suzhou Institute of Measurement and Testing. The main drafters of this standard. Zhangzhi Li, Duan Huiming, Wang Jingan, Yu Zhou, Tang Zhanqi, Cheng Qingmin, Wujiang Hong, Tang Lina, Wang Yue sound, Fu Zhenduo, Liu Huaqing, Wang gradually, Ma Li Chao, Li Changwu.

Introduction

In order to regulate the calculation method of steam heat and calculate the required parameters of steam calorie based on temperature and pressure, State steam production, sale, use the actual situation and measurement requirements, based on the rules given in GB/T 1.1-2009, according to IAP- WS-IF97 related content and GB/T 21188-2007 2.4.3 The preparation of this standard. Among them, saturated steam pressure and saturated steam temperature Calculation of the 4-zone equation using IAPWS-IF97, calculation of specific enthalpy, density, specific entropy, dynamic viscosity, and sound velocity was carried out using Zone 2 of IAPWS-IF97 Equation, isentropic index calculated using GB/T 21188-2007 given in 2.4.3 formula. Steam heat calculation method Warning --- This standard does not involve the application of all the safety issues related to the use of this standard, the user has the responsibility to develop the corresponding Safety and protection measures, and clearly define the scope of its application.

1 Scope

This standard specifies the calculation method of steam heat and calculate the required parameters of steam calorie based on temperature and pressure calculation method. This standard applies to superheated steam and dry saturated steam, the temperature, pressure range shown in Figure 1 slash marked area. When When, 0MPa \u003cp≤16.5292MPa。 Figure 1 Scope Temperature - pressure diagram Note 1. Zone 1, Zone 2, Zone 3, Zone 4 and Zone 5 are divided into zones IAPWS-IF97 in Figure 1, and water and steam should be calculated in each zone according to their respective basic equations Steam physical properties. Zone 1 is water, Zone 2 is superheated steam, Zone 3 is water and steam, Zone 4 is the steam saturation line (characterization of the steam saturation temperature Ts and Steam saturation pressure ps one-to-one correspondence, which is less than or equal to 16.5292MPa part is the boundary line 1,2 area, c is the critical point of water, is Zone 4 temperature, upper pressure limit, Tc = 647.096K, pc = 22.064MPa. ), Zone 5 is superheated steam with a temperature above 1073.15K. 2 Terms, definitions and symbols, code 2.1 Terms and definitions The following terms and definitions apply to this document. 2.1.1 Steam Liquid water vapor or solid water sublimation of gaseous water. 2.1.2 Saturated steam saturatedsteam Confined space gas and liquid phase in the dynamic equilibrium state that is saturated steam.

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