GB 21257-2007 Replaced National standards force_standard

GB 21257-2007 The norm of energy consumption per unit product of caustic soda

GB 21257-2007 The norm of energy consumption per unit product of caustic soda

Publish Date: 2007-12-03 Implement Date: 2008-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 21257-2007

Standard Type: National standards

Standard Status: Replaced

is_force_gb: yes

CCS Name: Technical management

ICS Name: Integrated Energy and Heat Transfer Engineering

Publish Date: 2007-12-03

Implement Date: 2008-06-01

Pages: 8 pages

Scope

This standard specifies the technical requirements, statistical scope, and calculation methods for the energy consumption (hereinafter referred to as "energy consumption") limits of caustic soda produced by electrolysis (diaphragm method, ion-exchange membrane method), as well as energy-saving management and measures. This standard applies to the calculation and assessment of energy consumption in caustic soda production enterprises using electrolysis (diaphragm method, ion-exchange membrane method), and to the control of energy consumption in new projects.

Development Information

Word Count: 13 Thousand words Pages: 8 pages

Superseded by the following standards

GB 21257-2014 The norm of energy consumption per unit product of caustic soda

Referenced Standards

GB/T 2589-1990 General principles for calculation of total production energy consumption GB/T 2589-2008 General principles for calculation of the comprehensive energy consumption GB/T 2589-2020 General rules for calculation of the comprehensive energy consumption GB 12497-1995 Three-phase induction motor energy-saving operation GB/T 12497-2006 Three-phase induction motor's economic operation GB/T 13462-1992 Guides for the power transformers energy saving operation in factories and mines GB/T 13462-2008 Economical operation for power transformers GB/T 13466-1992 The general principles of economical operation for fans (pumps、compressors) system of alternating-current electric drive GB/T 13466-2006 The general principles of economic operation for AC driven fan (pump,air compressor) system GB/T 14549-1993 Quality of electric energy supply—Harmonics in public supply network GB/T 17167-1997 Guides for providing and managing of the measuring instruments of energy in enterprise GB 17167-2006 General principle for equipping and managing of the measuring instrument of energy in organization of energy using GB 18613-2002 Limited values of energy efficiency and evaluating values of energy conservation of small and medium three-phase asynchronous motors GB 18613-2006 Minimum allowable values of energy efficiency and the energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors GB 19153-2003 Limited values of energy efficiency and evaluating values of energy conservation for displacement air compressors GB 19153-2009 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors GB 19153-2019 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors GB 19761-2005 The minimum allowable values of energy efficiency and evaluating values of energy conservation for fan GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB 19762-2005 The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water GB 19762-2007 The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water GB 20052-2006 The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GB 20052-2024 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GB 17167-2025 General rules for energy measuring instrument equipping and managing of energy user GB 19762-2025 Minimum allowable values of energy efficiency and energy efficiency grades for centrifugal pumps

Related Standards

GB/T 3794-1983 Abolished

GB/T 3794-1983 Standard for assesment of technical proficiency and acceptahce for energy balance of industrial enterprise

Publish Date: 1983-07-06

GB/T 5623-1985 Replaced

GB/T 5623-1985 Guides for the stipulation and administration of electricity consumption norm of product

Publish Date: 1985-11-25

GB/T 6421-1986 Abolished

GB/T 6421-1986 Methods for drawing energy flow diagram of industrial enterprise

Publish Date: 1986-05-27

GB/T 6422-1986 Replaced

GB/T 6422-1986 Directives for measuring and testing energy consumption in industrial enterprises

Publish Date: 1986-05-27

GB/T 6425-1986 Replaced

GB/T 6425-1986 Nomenclature for thermal analysis

Publish Date: 1986-05-27

GB/T 8174-1987 Replaced

GB/T 8174-1987 Methods of measuring and evaluating thermal insulation effects for equipments and pipes

Publish Date: 1987-08-28