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GB 24500-2009 English PDF (GB24500-2009)

GB 24500-2009 English PDF (GB24500-2009)

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GB 24500-2009: The minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers

This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, evaluating values of energy conservation and test methods of industrial boilers.
GB 24500-2009
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 27.060
F 04
The Minimum Allowable Values of Energy Efficiency
and Energy Efficiency Grades Industrial Boilers
ISSUED ON. OCTOBER 30, 2009
IMPLEMENTED ON. SEPTEMBER 01, 2010
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Technical Requirements ... 5
4.1 Basic Requirements ... 5
4.2 Energy Efficiency Grades of Industrial Boilers ... 5
4.3 Minimum Allowable Values of Energy Efficiency of Industrial Boilers. 5 4.4 Evaluating Values of Energy Conservation of Industrial Boilers ... 5 5 Test Methods ... 5
Foreword
Article 4.3 in this standard is mandatory; and others are recommendatory. This standard was proposed by the National Development and Reform Commission. This standard shall be under the jurisdiction of National Technical Committee on Energy Fundamentals and Management of Standardization Administration of China. Drafting organizations of this standard. China National Institute of Standardization, Shanghai Industrial Boiler Research Institute, Boiler Institute of Xi'an Jiaotong University, Guangzhou Tianlu Boiler Co., Ltd., Jiangsu Taihu Boiler Co., Ltd. and Shandong Huayuan Boiler Co., Ltd.
Chief drafting staffs of this standard. Zhang Xin, Qian Fenghua, Zhao Yuejin, Zhao Qinxin, Xi Daiguo, Pu Jianhong, Fu Guangtian, Jia Tieying and Xin Sheng. The Minimum Allowable Values of Energy Efficiency
and Energy Efficiency Grades Industrial Boilers
1 Scope
This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, evaluating values of energy conservation and test methods of industrial boilers.
This standard is applicable to stationary steel steam boilers that the fuel is coal, oil and gas, the rated steam pressure is larger than 0.04MPa but less than 3.8MPa, the rated steam output is not less than 0.1 t/h and the medium is water and stationary steel hot water boilers that the rated water outlet pressure is larger than 0.1MPa. 2 Normative References
The following standards contain the provisions which, through reference in this text, constitute the provisions of this standard. For dated reference, the subsequent modification or revisions of these publications do not apply. However, all parties who reach an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB/T 2900.48 Electrotechnical Terminology of Boilers
GB/T 10180 Thermal Performance Test Code for Industrial Boilers
JB/T 10094 General Specification for Industrial Boilers
3 Terms and Definitions
Terms and definitions established by GB/T 2900.48 and the following ones are applicable to this standard.
3.1
The minimum allowable values of energy efficiency of industrial boilers It refers to the minimum allowable thermal efficiency values of industrial boilers under rated condition under test conditions specified in the standard.
3.2
The evaluating values of energy conservation of industrial boilers
It refers to the minimum thermal efficiency values for evaluating energy conservation products of industrial boiler under rated condition under test conditions specified in the standard.
4 Technical Requirements
4.1 Basic Requirements
The technical requirements of industrial boilers applicable to this standard shall meet the requirements of JB/T 10094 and relevant standards.
4.2 Energy Efficiency Grades of Industrial Boilers
The energy efficiency grades of industrial boilers are divided into 3 grades, and Grade 1 is the highest. The thermal efficiency values of each grade industrial boiler under rated condition shall not be less than those specified in Table 1 ~ Table 4. 4.3 Minimum Allowable Values of Energy Efficiency of Industrial Boilers The thermal efficiency values of industrial boilers under rated condition shall not be less than the specification for Grade 3 in Table 1 ~ Table 4.
4.4 Evaluating Values of Energy Conservation of Industrial Boilers
The thermal efficiency values of industrial boilers under rated condition shall not be less than the specification for Grade 2 in Table 1 ~ Table 4.
5 Test Methods
The thermal efficiency values of industrial boilers shall be tested according to those specified in GB/T 10180.

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