Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB 21257-2024 English PDF

US$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 21257-2024: Norm of energy consumption per unit production of caustic soda, PVC, methane chloride
Status: Valid

GB 21257: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB 21257-2024359 Add to Cart 4 days Norm of energy consumption per unit production of caustic soda, PVC, methane chloride Valid
GB 21257-2014229 Add to Cart 3 days The norm of energy consumption per unit product of caustic soda Valid
GB 21257-2007359 Add to Cart 3 days The norm of energy consumption per unit product of caustic soda Obsolete

Similar standards

GB 21345   GB 21341   GB 21343   GB 21256   GB 21258   

Basic data

Standard ID: GB 21257-2024 (GB21257-2024)
Description (Translated English): Norm of energy consumption per unit production of caustic soda, PVC, methane chloride
Sector / Industry: National Standard
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 18,140
Date of Issue: 2024-04-29
Date of Implementation: 2025-05-01
Older Standard (superseded by this standard): GB 21257-2014; GB 30527-2014
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 21257-2024: Norm of energy consumption per unit production of caustic soda, PVC, methane chloride


---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.
ICS 27:010 CCSF01 National Standards of People's Republic of China Replaces GB 21257-2014, GB 30527-2014 Caustic soda, polyvinyl chloride resin and methane chloride Energy consumption limit per unit product methanechloride Released on 2024-04-29 2025-05-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB 21257-2014 "Limits of energy consumption per unit product of caustic soda" and GB 30527-2014 "Limits of energy consumption per unit product of polyethylene resin" Product Energy Consumption Limits: Compared with GB 21257-2014 and GB 30527-2014, in addition to structural adjustments and editorial changes, the main The technical changes are as follows: a) The energy consumption limit per unit product of diaphragm caustic soda plants has been deleted (see Chapter 1 and Chapter 4); b) Deleted "AC power consumption per unit product of caustic soda electrolysis unit", "comprehensive energy consumption per unit product of caustic soda electrolysis unit", "polyvinyl chloride resin The terms and definitions of "comprehensive energy consumption per unit product of vinyl chloride unit" and "comprehensive energy consumption per unit product of polyvinyl chloride resin polymerization unit"; The definitions of “product comprehensive energy consumption” and “comprehensive energy consumption per unit of key products in the chlor-alkali industry” in the terms and definitions have been changed (see Section 3 Chapter 3 of GB 21257-2014, Chapter 3 of GB 30527-2014); c) Added energy consumption limit levels (see Chapter 4); d) Added the energy consumption limit level and technical requirements for unit product of methane chloride (see Chapter 4 and Chapter 5); e) The advanced values of energy consumption limits have been deleted (see Chapter 4 of GB 21257-2014 and Chapter 4 of GB 30527-2014); f) The statistical scope of caustic soda, polyvinyl chloride resin products and energy-consuming working fluids has been changed (see Chapter 6, Section 5 of GB 21257-2014): Chapter 5 of GB 30527-2014); g) Deleted the indicator value and calculation method of "AC power consumption per unit product of caustic soda electrolysis unit" (see GB 21257-2014, Section 4 Chapter 1, Chapter 5); h) The calculation method and formula for comprehensive energy consumption per unit of caustic soda and polyvinyl chloride resin have been changed (see Chapter 6, Chapter 5 of GB 21257-2014, Chapter 5 of GB 30527-2014): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document is proposed and coordinated by the National Standardization Administration: The previous versions of this document and the documents it replaces are as follows: ---GB 21257, first issued in:2007 and first revised in:2014; ---GB 30527, first issued in:2014: ---This is the first integrated revision: Caustic soda, polyvinyl chloride resin and methane chloride Energy consumption limit per unit product

1 Scope

This document specifies the energy consumption per unit product (abbreviated as energy consumption) limit level, technical requirements and Requirements, statistical scope and calculation requirements: This document is applicable to the calculation and assessment of energy consumption of caustic soda, polyvinyl chloride resin and methane chloride production enterprises by ion membrane electrolysis, as well as Energy consumption control for new construction, renovation and expansion projects:

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 2589 General rules for calculation of comprehensive energy consumption GB/T 12723 General rules for the compilation of energy consumption limits per unit product GB/T 29116 General rules for calculation of raw material consumption of industrial enterprises

3 Terms and definitions

The terms and definitions defined in GB/T 12723 and the following apply to this document: 3:1 The ratio of comprehensive energy consumption of caustic soda, polyvinyl chloride resin or methane chloride products to the output of qualified products during the statistical reporting period: Note: Product refers to qualified final product or intermediate product:

4 Energy consumption limit levels

4:1 Caustic soda energy consumption limit level The energy consumption limit level of caustic soda is divided into 3 levels, see Table 1, among which level 1 has the lowest energy consumption:
......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 21257-2024_English be delivered?

Answer: Upon your order, we will start to translate GB 21257-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB 21257-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB 21257-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB 21257-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 21257-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.