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GB/T 16758-2008: The classification and technical specification of exhaust hood
Status: Valid GB/T 16758: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 16758-2008 | English | 299 |
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3 days [Need to translate]
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The classification and technical specification of exhaust hood
| Valid |
GB/T 16758-2008
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| GB/T 16758-1997 | English | 519 |
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The classification and technical specification of exhaust hood
| Obsolete |
GB/T 16758-1997
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PDF similar to GB/T 16758-2008
Basic data | Standard ID | GB/T 16758-2008 (GB/T16758-2008) | | Description (Translated English) | The classification and technical specification of exhaust hood | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C70 | | Classification of International Standard | 13.340 | | Word Count Estimation | 13,121 | | Date of Issue | 2008-12-15 | | Date of Implementation | 2009-10-01 | | Older Standard (superseded by this standard) | GB/T 16758-1997 | | Quoted Standard | GB/T 12138; GB 50155 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 overall) | | 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 terms and definitions hood, classification, design principles, technical requirements, determination and so on. This standard is applicable for the control of toxic dust and other harmful substances in exhaust hood sources use. | GB/T 16758-2008: The classification and technical specification of exhaust hood---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.
The classification and technical specification of exhaust hood
ICS 13.340
C70
National Standards of People's Republic of China
Replacing GB/T 16758-1997
Classification and technical exhaust hood
Posted 2008-12-15
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 16758-1997 "hood classification and technical conditions."
This standard and GB/T 16758-1997 compared to the main changes are as follows.
--- Updated part of the definition;
--- Adjust some hood categories;
--- Modified exhaust hood determination of some of the terms.
Appendix A of this standard is a normative appendix.
This standard was proposed by the State Administration of Work Safety.
This standard produced by the National Standardization Technical Committee on Security.
This standard was drafted. Capital University of Economics, Beijing Center for Disease Control and Prevention, Hunan Nonferrous Metallurgy Research Institute of labor protection, in
Sinosteel Maanshan Institute of Mining Research.
The main drafters of this standard. Guo Jianzhong, Zhao Rong, Tang Zhi-ya, Guo Jinfeng, Jiang Kun, Wang Yongyi, Bao Jinling.
This standard is March 14, 1997 was first released in 2008, the first revision.
This standard replaces the standards previously issued as follows.
--- GB/T 16758-1997.
Classification and technical exhaust hood
1 Scope
This standard specifies the terms and definitions hood, classification, design principles, technical requirements, determination and so on.
This standard applies for the control of toxic dust and other harmful substances used in the source hood.
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 12138 baghouse performance test methods
GB 50155 heating, ventilation and air conditioning terminology standards
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Disposed of harmful substances at the source, capture and control the ventilation member of harmful substances.
3.2
The amount of air per unit time blown from the air outlet.
3.3
The amount of air per unit time discharged from the exhaust hood.
3.4
Full pressure drop (pressure loss) gas flow through the hood when.
3.5
Resistance and dynamic pressure measurement section ratio of exhaust hood.
3.6
The average wind speed on the effective section cover the mouth.
3.7
Emission of harmful substances exhausted until the initial energy, emission velocity lowered to position the environment irregular size of the flow velocity.
3.8
From the control point to the center of the hood opening.
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