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GB/T 39803-2021Technical regulation of energy consumption evaluation for flat glass manufacturing (English PDF)

平板玻璃制造能耗评价技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 9, 2021

Implementation date

October 1, 2021

Scope

GB/T 39803-2021 is the English-translated version of 平板玻璃制造能耗评价技术要求.

GB/T 39803-2021 is the Chinese technical regulation for evaluating the energy consumption of flat glass manufacture. It gives the terms and definitions, the scope of the evaluation and the measurements it needs, the system of evaluation indicators and the requirements on each of them, the calculation methods and the content of the evaluation report.

It applies to the energy consumption evaluation of flat glass plants. Glassworks, energy auditors and industrial authorities use it. Issued on 9 March 2021, it has applied since 1 October 2021.

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Document preview — GB/T 39803-2021

National Standard of the People's Republic of China

ICS: 27.010
Classification: F 01

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword3
1 Scope4
2 Normative references4
3 Terms and definitions5
4 Evaluation scope and testing5
5 Evaluation index system and requirements5
6 Calculation methods8
7 Evaluation report10

1 Scope

This Standard specifies the terms and definitions, evaluation scope and testing, evaluation index system and requirements, calculation methods and evaluation reports of energy consumption evaluation in the flat glass manufacturing process.

This Standard applies to the energy consumption evaluation in the flat glass manufacturing process of enterprises that produce flat glass products that comply with GB 11614.

2 Normative references

The following documents are indispensable for the application of this document.

For dated references, only the dated version applies to this Standard. For undated references, the latest edition (including all amendments) applies to this document.

GB 11614, Flat glass

GB/T 12497, Three-phase induction motors economic operation

GB/T 16664, Monitoring and testing method for energy saving of power supply distribution system of industrial enterprise

GB 17167, General principle for equipping and managing of the measuring instrument of energy in organization of energy using

GB/T 23331, Energy management systems - Requirements

GB/T 24851, Specification for equipping and managing of measuring instrument of energy in building material industry

GB/T 39773, Energy consumption test technical regulation for flat glass manufacturing

JC/T 488, Determination and calculation method of thermal balance for glass furnace

3 Terms and definitions

The following terms and definitions are applicable to this document.

3.1 Cogeneration energy consumption ratio

During the statistical period, the ratio of the flat glass-generated energy per ton in the cogeneration system to the melting fuel consumption, which is expressed by etafd.

4 Evaluation scope and testing

4.1 Evaluation scope

The evaluation scope shall be implemented in accordance with the test scope that is specified in GB/T 39773.

4.2 Evaluation testing

Complete the energy consumption testing according to GB/T 39773.

5 Evaluation index system and requirements

5.1 Evaluation index system

See Figure 1 for the evaluation index system.

6 Calculation methods

6.2.3 Enterprise's grade-2 index score calculation

The comprehensive score of the grade-2 index evaluation in the evaluation indexes of flat glass manufacturing enterprises is based on the actual value of the grade-2 index during the evaluation period of the enterprise. The calculation is shown in Formula (2):

Where: Pi -- evaluation score of the ith grade-2 evaluation index; alphai -- weighted value of the ith grade-2 evaluation index;

Sij -- score corresponding to different grades in the ith grade-2 evaluation index (j corresponds to different grades of A, B, C).

6.3 Energy consumption comprehensive evaluation and calculation

The calculation of the comprehensive evaluation index is shown in Formula (3):

Where:

P -- comprehensive evaluation index of enterprise energy consumption, whose value is in 0 ~ 100;

Pi -- evaluation score of the ith grade-2 index; n -- total number of grade-2 indexes that are involved in the assessment.

7 Evaluation report

The evaluation report mainly includes:

a) The overall situation of the flat glass production line, including production scale, product variety, specifications, production time and/or modification (if any) date, system host configuration, and operating status description;

b) Evaluation task and purpose requirements;

c) Evaluation basis and standards;

d) Evaluation method description;

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

Referenced standards

Normative references

JC/T 488

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