GB/T 33233-2023 English PDF (GBT33233-2023)

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GB/T 33233-2023: Water saving enterprises -- Electrolytic aluminium industry
GB/T 33233-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 03.100.50
CCS P 01
Replacing GB/T 33233-2016
Water saving enterprises - Electrolytic aluminium industry
ISSUED ON: MAY 23, 2023
IMPLEMENTED ON: SEPTEMBER 01, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 Evaluation indicator system and requirements ... 5
Annex A (normative) Scoring method for water saving enterprise management
indicators ... 8
Annex B (informative) Calculation method of technical indicators of water saving
enterprises ... 10
Foreword
This document was drafted in accordance with the rules given in GB/T 1.1-2020
"Directives for standardization - Part 1: Rules for the structure and drafting of
standardizing documents".
This document replaces GB/T 33233-2016 "Water saving enterprises -- Electrolytic
aluminium industry". Compared with GB/T 33233-2016, in addition to the structural
adjustments and editorial modifications, the main technical changes in this document
are as follows:
a) Change basic requirements for water saving enterprises (see 4.2 of this Edition;
4.2 of Edition 2016);
b) Change assessment indicators for water intake. Add water indicators for deep
purification of electrolysis flue gas (see 4.4 of this Edition; 4.4 of Edition 2016);
c) Change assessment indicators for reuse rate (see 4.4 of this Edition; 4.4 of Edition
2016);
d) Changed assessment indicators for water leakage rate (see 4.4 of this Edition; 4.4
of Edition 2016);
e) Change the scoring instructions for water saving enterprise management
indicators (see A.2 of this Edition; A.2 of Edition 2016).
Attention is drawn to the possibility that some of the elements of this document may be
the subject of patent rights. The issuing authority shall not be held responsible for
identifying any or all such patent rights.
This document was proposed by and shall be under the jurisdiction of National
Technical Committee on Water Saving of Standardization Administration of China
(SAC/TC 442).
The drafting organizations of this document: State Power Investment Group Ningxia
Energy Aluminum Co., Ltd., China Institute of Standardization, Shandong Hongqiao
New Materials Co., Ltd., Yunnan Aluminum Co., Ltd., Shandong Nanshan Aluminum
Co., Ltd., China Aluminum Group Co., Ltd., Nonferrous Metal Technology and
Economics Research Institute Co., Ltd., Baotou Aluminum Co., Ltd., Inner Mongolia
Huomei Hongjun Aluminum and Electricity Co., Ltd., Liaocheng Xinyuan Group Co.,
Ltd., Tsinghua University Shanxi Clean Energy Research Institute, Shenzhen
Xinzhongyuan Electronics Co., Ltd., Chongqing Jingyu Electronic Technology Co.,
Ltd., Henan Province Zhengzhou Hydrology and Water Resources Survey Bureau.
Main drafters of this document: Wu Keming, Zhan Lei, Zhang Chenghao, Mo Xinda,
Bai Yan, Wang Yubing, Li Junxiao, Yang Wanzhang, Liu Huijun, Li Chengyuan, Li
Water saving enterprises - Electrolytic aluminium industry
1 Scope
This document specifies the evaluation indicator system and requirements for the
evaluation of water saving enterprises in the electrolytic aluminum industry.
This document is applicable to the evaluation of water saving enterprises in the
electrolytic aluminum industry.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 7119, Evaluating guide for water saving enterprises
GB/T 12452, General principles of water balance test
GB/T 18820, General principles of drafting norm of water intake for industry
GB/T 18916.16, Norm of water intake -- Part 16: Electrolytic aluminum
GB/T 21534, Water saving -- Terminology
GB/T 24789, General rules for equipping and managing of the water measuring
instrument in water-use organization
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 7119,
GB/T 18820, GB/T 18916.16 and GB/T 21534 as well as the followings apply.
4 Evaluation indicator system and requirements
4.1 The evaluation indicator system for water saving enterprises includes basic
requirements, management indicators and technical indicators.
4.2 The basic requirements for water saving enterprises are shown in Table 1.
4.3 The management indicators and requirements of water saving enterprises are shown