Search result: CJ/T 47-2016 (CJ/T 47-1999 Older version)
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 47-2016 | English | 259 |
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Filter underdrain block for water and wastewater treatment
| Valid |
CJ/T 47-2016
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| CJ/T 47-1999 | English | RFQ |
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Double-layer ceramic filter bricks used for water treatment
| Obsolete |
CJ/T 47-1999
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| Standard ID | CJ/T 47-2016 (CJ/T47-2016) | | Description (Translated English) | Filter underdrain block for water and wastewater treatment | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | Q81 | | Word Count Estimation | 11,113 | | Date of Issue | 2016-11-15 | | Date of Implementation | 2017-05-01 | | Older Standard (superseded by this standard) | CJ 47-1999 | | Regulation (derived from) | Ministry of Housing and Urban - Rural Development Notice No.1360 of 2016 |
CJ/T 47-2016
(Water treatment filter)
ICS 13.060.01
Q81
People's Republic of China urban construction industry standards
Replacing CJ/T 47-1999
Water treatment filter brick
2016-11-15 released
2017-05-01 is implemented
Ministry of Housing and Urban-Rural Development, People's Republic of China released
Directory
Foreword Ⅲ
1 range 1
2 Normative references 1
3 Terms and definitions 1
4 Categories 1
5 material 3
6 Requirements 4
7 Test Method 5
Inspection rules 6
9 logo, packaging, transportation and storage 8
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces CJ/T 47-1999 "water treatment with ceramic double-layer filter brick," compared with the CJ/T 47-1999, the main technical changes
as follows.
--- Modify the standard name;
--- Added terms and definitions (see Chapter 3);
--- Remove the ceramic material (see the.1999 edition of the range);
--- Increased high-density polyethylene material (see 5.1);
--- Increased distribution of gas distribution (see Chapter 6);
--- Modify the appearance, size, opening method and hole rate, compressive strength, single brick quality indicators (see 6.2);
--- Increased impact strength, cold resistance, heat resistance, antioxidant properties, drop strength, health performance, quite a filter process open
Porosity and other indicators (see Table 3).
This standard proposed by the Ministry of Housing and Urban Standard and Design Institute.
This standard by the Ministry of Housing and Urban Water Supply and Drainage Municipal Standardization Technical Committee centralized.
This standard was drafted. Zhongnan Design and Research Institute Co., Ltd. China Municipal Engineering, Xiamen Feihua Environmental Protection Equipment Co., Ltd., Yixing City
Product Quality Supervision and Inspection, Taizhou Zhongchang Water Treatment Equipment Co., Ltd., Hong Yu Construction Co., Ltd., Fujian Hong Construction and Investment Co., Ltd..
The main drafters of this standard. Zhang Huaiyu, Li Shuyuan, Shi Shiying, Prince, Ding Yunhe, Deng Zhiguang, Chen Caigao, Wu Qiyun, Shao Fei, Ni Xiubiao,
Lei Peishu, Shi Xiaolong, Kong Yun, Shi Dajiang, Li Lu, Yan Cheng Lin, Wu Chun Hing.
This standard replaces the standards previously issued as follows.
--- CJ 24.5-1988;
--- CJ/T 47-1999.
Water treatment filter brick
1 Scope
This standard specifies the terms and definitions of filter bricks for water treatment, classification, materials, requirements, test methods, inspection rules, signs, packaging, transport
And storage.
This standard applies to the manufacture and testing of filter bricks for water treatment.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs
GB/T 11115-2009 Polyethylene (PE) resin
GB/T 11547 Plastics - Determination of resistance to liquid chemicals
GB/T 14486 plastic molding dimensional tolerances
GB/T 17219 drinking water distribution equipment and protective materials safety evaluation criteria
GB/T 21873 rubber seal to the drain pipe and sewer pipe interface seal material specifications
GB/T 28604 drinking water system plumbing seals
GB 50164 concrete quality control standards
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Water treatment filter with filter filter for drainage and wastewatertreatment
A filter for the same time with water distribution or only water distribution products (hereinafter referred to as "filter brick").
3.2
Support plate mediaretentionplate
Multi-well plates for use with filter bricks to replace gravel or other forms of support.
3.3
Filter opening rate perforatedarearate
The total area of the opening of the filter brick and the area of the area where the opening is located.
4 categories
4.1 Type I filter
Type I filter brick for the second or more water distribution with gas filter brick, suitable for water supply, drainage and reclaimed water and other projects in the filter. Filter brick as a whole
Hollow belt support columnar, cross-section for the next small big rectangular approximate composite shape. Trapezoidal support set a distribution of water with air, complex shape
Shape the top of the frame (surface layer) with secondary distribution of water distribution pores. Type Ⅰ brick structure diagram shown in Figure 1, Figure 2.
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