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GB/T 29147-2012: Methodology of the calculation of residuary heat resource during manufacturing of prepainted and galvanized steel
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29147-2012 | English | 169 |
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Methodology of the calculation of residuary heat resource during manufacturing of prepainted and galvanized steel
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GB/T 29147-2012
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Basic data | Standard ID | GB/T 29147-2012 (GB/T29147-2012) | | Description (Translated English) | Methodology of the calculation of residuary heat resource during manufacturing of prepainted and galvanized steel | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H46 | | Classification of International Standard | 77.010 | | Word Count Estimation | 7,711 | | Quoted Standard | YB/T 4210; YB/T 4211 | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | 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 production of hot dip galvanized steel, pre-painted process of waste heat and waste heat resources, terms and definitions, calculation methods. This standard applies to production of hot dip galvanized steel, pre-painted and ot | GB/T 29147-2012: Methodology of the calculation of residuary heat resource during manufacturing of prepainted and galvanized steel
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Methodology of the calculation of residuary heat resource during manufacturing of prepainted and galvanized steel
ICS 77.010
H46
National Standards of People's Republic of China
Calculation method of steel production waste heat Tudu
galvanizedsteel
Issued on. 2012-12-31
2013-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Iron and Steel Association.
This standard by the National Standardization Technical Committee for Energy and Management (SAC/TC20) National Technical Committee of Standardization and steel
(SAC/TC183) centralized.
This standard was drafted. Zhejiang East China Light Steel Building Material Co., Ltd., Beijing Star Technology Co., Ltd. and all the working equipment, metallurgical industry letter
Interest Standards Institute, Shougang Group, Wuhan Iron and Steel (Group) Company.
The main drafters of this standard. Xu Xiufei, of how long, Shen Wei root, Chou Jinhui, Wang was healthy, Jian-Jun Qiao, Ding Jade Johnson, Gu Yongjun, Wang Xiaojie,
Song Maria.
Calculation method of steel production waste heat Tudu
1 Scope
This standard specifies the production of hot dip steel, pre-painted process terms and definitions of waste heat and waste heat resource calculation.
This standard applies to the production of hot dip steel, pre-painted and other processes. Continuous annealing step can be implemented by reference.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
YB/T 4210 color coated sheet production line incinerator furnaces and thermal balance determination and calculation of solidification
YB/T 4211 hot-dip galvanizing line furnace heat balance determination and calculation
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Coated exhaust prepaintedandgalvanizedsteelgas
Discharging hot dip furnace, coating curing ovens, incinerators, and other heating systems fumes, vapors and the like. Hereinafter referred to as gas.
4 Calculation
4.1 Recommended exhaust waste heat utilization of physical limit temperature of 180 ℃.
4.2 exhaust heat contained in the sum of the amount of resources for some physical quantity of waste heat and chemical waste heat resources, see formula (1).
Qy = Qw Qh (1)
Where.
Qy --- the amount of waste heat resources in units of kilojoules per year (kJ/a);
In the exhaust heat Qw --- physical resources, units of kilojoules per year (kJ/a);
Qh --- chemical heat of exhaust gas resources in units of kilojoules per year (kJ/a).
4.3 When the actual calculation of existing equipment, exhaust gas heat of physical resources in which dry gas physical heat in the exhaust gas and water resources
The sum of the sub-physical waste heat resources, see formula (2).
Qw = Qg Qs (2)
Where.
Qg --- Dry heat exhaust physical resources, in units of kilojoules per year (kJ/a);
Qs --- exhaust gas heat water physical resources, units of kilojoules per year (kJ/a).
4.3.1 Dry heat exhaust physical resources are calculated in the formula (3).
Qg = V (1-0.00124s) · (cf · tf-cx · tx) (3)
Where.
V --- amount of exhaust gas discharged in units of cubic meters per year method (m3/a), may be the actual measurements and theoretical calculations, theoretical calculation
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