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US$149.00 · In stock Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 24947-2010: Requirement for water quality of marine auxiliary boiler Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24947-2010 | English | 149 |
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Requirement for water quality of marine auxiliary boiler
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GB/T 24947-2010
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Basic data | Standard ID | GB/T 24947-2010 (GB/T24947-2010) | | Description (Translated English) | Requirement for water quality of marine auxiliary boiler | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U41 | | Classification of International Standard | 47.020.20 | | Word Count Estimation | 5,597 | | Date of Issue | 2010-08-09 | | Date of Implementation | 2010-12-01 | | Quoted Standard | GB/T 1576 | | Regulation (derived from) | National Standard Approval Announcement 2010 No.3 (Total No.158) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the marine auxiliary boiler (hereinafter referred to as " boiler ") water quality requirements at runtime. This standard applies to the design pressure of not more than 2. 5 MPa, the medium is water and saturated steam boiler fuel, gas boiler, fuel gas combination boilers, as well as the media outlet temperature does not exceed 120��C for hot water boilers. |
GB/T 24947-2010: Requirement for water quality of marine auxiliary boiler---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.
Requirement for water quality of marine auxiliary boiler
ICS 47.020.20
U41
National Standards of People's Republic of China
Marine auxiliary boiler water quality requirements
Issued on. 2010-08-09
2010-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard proposed by China State Shipbuilding Corporation.
This standard by the National Marine Machinery Standardization Technical Committee.
This standard was drafted. Green Zhangjiagang Shazhou Boiler Co., Ltd., Qingdao Marine Boiler Factory Co., Ltd., China Shipbuilding Industry Integrated Technology
Surgery Institute of Economic Research, China Classification Society Qingdao Branch, Qingdao Kai boilers Equipment Co.
The main drafters of this standard. Weihua Xing, Liu Guoliang, Qiu Yudong, car Rui, Wang Bo, Zhong Chongxin.
Marine auxiliary boiler water quality requirements
1 Scope
This standard specifies the marine auxiliary boiler (hereinafter referred to as "boiler") water quality requirements at runtime.
This standard applies to the design pressure is less than 2.5MPa, medium is water and saturated steam boiler fuel, gas boiler, fuel gas group
Fit the boiler, as well as medium outlet temperature does not exceed 120 ℃ hot water boiler.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 1576 industrial boiler water quality
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Water supply feedwater
By a feed pump from the feed water, condensate boiler inlet supply boilers and the like.
3.2
Pot of water boilerwater
Circulating boiler, means the concentrated water inside the boiler. Generally refers to the water within the drum.
4 Requirements
Steam boiler feedwater 4.1 should generally use the pot for chemical water treatment. The water quality should meet the requirements in Table 1.
Table 1 steam boiler water quality standards
Water pot of water projects
Rated pressure/MPa ≤1.0 > 1.0 ~ 1.6 > 1.6 ~ 2.5 ≤1.0 > 1.0 ~ 1.6 > 1.6 ~ 2.5
Total hardness (in Ca2, Mg2 meter)/(mg/L) < 1 < 1 < 1 - - -
Total alkalinity (OH-, CO32- meter)/(mg/L) - - - ≤450 ≤350 ≤350
Salinity (Cl -)/(mg/L) ≤10 ≤10 ≤10 < 600 < 500 < 400
pH (25 ℃ when) ~ 7 ~ 97 ~ 910 97 ~ 12 10 ~ 12 10 ~ 12
Suspension/(mg/L) ≤5 ≤5 ≤5 - - -
DO/(mg/L) ≤0.1 ≤0.1 ≤0.05 - - -
Dissolved solids/(mg/L) - - - < 4000 < 3000 < 2500
Oil content/(mg/L) ≤2 ≤2 ≤2 < 20 < 15 < 15
Iron content/(mg/L) ≤0.3 ≤0.3 ≤0.3 - - -
Sulfite (SO32 -)/(mg/L) - - - 10 ~ 30 10 ~ 30 10 ~ 30
Phosphate (PO43 -)/(mg/L) - - - 10 ~ 30 10 ~ 30 10 ~ 30
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