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CJ/T 294-2018: Rotating disc aerator
Status: Valid CJ/T 294: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 294-2018 | English | 349 |
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3 days [Need to translate]
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Rotating disc aerator
| Valid |
CJ/T 294-2018
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| CJ/T 294-2008 | English | 559 |
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3 days [Need to translate]
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Rotating disc aerator
| Obsolete |
CJ/T 294-2008
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PDF similar to CJ/T 294-2018
Basic data | Standard ID | CJ/T 294-2018 (CJ/T294-2018) | | Description (Translated English) | Rotating disc aerator | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P41 | | Classification of International Standard | 13.060.30 | | Word Count Estimation | 15,117 | | Date of Issue | 2018-03-20 | | Date of Implementation | 2018-11-01 | | Older Standard (superseded by this standard) | CJ/T 294-2008 | | Quoted Standard | GB/T 191; GB/T 288; GB/T 755; GB/T 3087; GB/T 3768; GB/T 3797; GB/T 4208; GB/T 4942.1; GB 5226.1; GB/T 7324; GB/T 8162; GB/T 8923.1; GB/T 12670; GB/T 12671; GB/T 13306; GB/T 13384; GB 18613; GB 50231; CJ/T 475-2015; JB/T 5000.6; JB/T 5000.12; JB/T 8874 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Announcement No. 12 of 2018 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | CJ/T 294-2018: Rotating disc aerator---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.
Rotating disc aerator
ICS 13.060.30
P41
People's Republic of China urban construction industry standards
Replace CJ/T 294-2008
Rotary disc aerator
Published on.2018-03-20
2018-11-01 implementation
Ministry of Housing and Urban-Rural Development
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 type, model and basic parameters 2
4.1 Type 2
4.2 Model 4
4.3 Basic parameters 4
5 General requirements 5
6 Requirements 5
6.1 Drive unit 5
6.2 shaft 5
6.3 Disc 5
6.4 Bearings and housings 6
6.5 Security 6
6.6 Painting 6
6.7 Machine Performance 6
7 Test method 6
7.1 Drive unit 6
7.2 Rotary shaft 7
7.3 Disc 7
7.4 Bearings and housings 7
7.5 Security 7
7.6 Painting 7
7.7 Machine Performance 7
8 Inspection rules 7
8.1 Inspection Category 7
8.2 Factory inspection 7
8.3 Type test 8
9 Marking, packaging, transportation and storage 8
9.1 Mark 8
9.2 Packing 9
9.3 Transportation and storage 9
Appendix A (Normative Appendix) Determination of Oxygen Mass Transfer Performance of Water Dispenser
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces CJ/T 294-2008 "Disc Aerator". Compared with CJ/T 294-2008, the main technical changes are as follows.
---Modified terms and definitions (see Chapter 3, Chapter 3 of the.2008 edition);
--- Modified the model preparation of the rotary disc aerator (see 4.2, 5.2 of the.2008 edition);
--- Modified the basic parameters of the rotary disc aerator (see Table 1, Table 1 of the.2008 edition);
---Modified the main components of the requirements (see Chapter 6, Chapter 6 of the.2008 edition);
---Modified test methods and inspection rules (see Chapter 7, Chapter 8, Chapters 7 and 8 of the.2008 edition);
--- Added a table of inspection rules (see Table 2);
--- Increased the content of marking, packaging, transportation and storage (see Chapter 9).
This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Municipal Water Supply and Drainage Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development.
This standard was drafted. China Municipal Engineering North China Design and Research Institute Co., Ltd., Jiangsu Tianyu Environmental Protection Group Co., Ltd., Anhui State
祯Environmental Protection and Energy Technology Co., Ltd., Gome (Tianjin) Water Technology Engineering Co., Ltd., Jinshan Environmental Protection Group Co., Ltd., Jiangsu Dongchenghuan
Bao Co., Ltd., Henan Urban and Rural Planning and Design Research Institute Co., Ltd., Zhejiang Dean Technology Co., Ltd., Jiangsu Province, Wuhuan Water Worker
Cheng Co., Ltd.
The main drafters of this standard. Gu Jian, Lu Douhong, Zhang Hui, Wei Xun, Zhang Zhihe, Cheng Jun, Sun Chengcai, Yu Jiande, Li Haiming, Ocean, Zheng Shiliang,
Mu Huaizhi, Liu Jian, Li Jiang, An Xulun, Zhou Wenzhong, Zhao Hong, Huang Tianhong, Xu Yanggang.
The previous versions of the standards replaced by this standard are.
---CJ/T 294-2008.
Rotary disc aerator
1 Scope
This standard specifies the terms and definitions, types, models and basic parameters of the rotary disc aerator (hereinafter referred to as "aerator").
Requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard is applicable to the manufacture and inspection of oxidation ditch disc aerators in sewage treatment projects.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 packaging storage and transportation pictorial signs (GB/T 191-2008, ISO 780.1997, MOD)
GB/T 288 rolling bearing spherical roller bearing dimensions
GB/T 755 Rotating Electric Machine Quota and Performance (GB/T 755-2008, IEC 60034-1.2004, IDT)
GB/T 3087 seamless steel pipe for low and medium pressure boilers (GB/T 3087-2008, ISO 9329-1. 1989, NEQ)
GB/T 3768 Acoustic sound pressure method for the determination of noise source sound power level
(GB/T 3768-1996, eqvISO 3746..1995)
GB/T 3797 electrical control equipment
GB/T 4208 enclosure protection grade (IP code) (GB/T 4208-2017, IEC 60529.2001, IDT)
GB/T 4942.1 Classification of the degree of protection (IP code) of the overall structure of rotating electrical machines (GB/T 4942.1-2006, IEC 60034-5.
2000, IDT)
GB 5226.1 Mechanical electrical safety machinery and electrical equipment - Part 1. General technical conditions (GB 5226.1-2008,
IEC 60204-1.2005, IDT)
GB/T 7324 general purpose lithium grease
GB/T 8162 structural seamless steel pipe
GB/T 8923.1.Determination of surface cleanliness of steels - Part 1 . Uncoated steel
Corrosion grade and treatment grade of steel surface after surface and overall removal of original coating (GB/T 8923.1-2011, ISO 8501-1.
2007, IDT)
GB/T 12670 polypropylene (PP) resin
GB/T 12671 polystyrene (PS) resin
GB/T 13306 signage
General technical conditions for GB/T 13384 mechanical and electrical product packaging
GB 18613 Small and medium-sized three-phase asynchronous motor energy efficiency limit value and energy efficiency rating
General specification for construction and acceptance of GB 50231 mechanical equipment installation engineering
CJ/T 475-2015 Determination of oxygen mass transfer performance of microporous aerator
JB/T 5000.6 General technical requirements for heavy machinery - Part 6. Steel castings
JB/T 5000.12 General technical conditions for heavy machinery - Part 12. Painting
JB/T 8874 rolling bearing split vertical bearing housing technical conditions
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