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GB/T 33969-2017: Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33969-2017 | English | 279 |
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Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace
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GB/T 33969-2017
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Basic data | Standard ID | GB/T 33969-2017 (GB/T33969-2017) | | Description (Translated English) | Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H04 | | Classification of International Standard | 77.080 | | Word Count Estimation | 14,119 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-04-01 | | 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 | GB/T 33969-2017: Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace
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Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace
ICS 77.080
H04
National Standards of People's Republic of China
Blast furnace oxygen - rich coal injection technical specifications
Technical specification for injectingpulverizedcoalwithoxygen-enriched
2017-07-12 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by China Iron and Steel Association.
This standard by the National Standardization Technical Committee Steel (SAC/TC183) centralized.
This standard drafting unit. Beijing University of Science and Technology, Metallurgical Industry Information Standards Institute, Shenhua Group Co., Ltd..
The main drafters of this standard. Zhang Jianliang, Wang Xiao stay, Wang Jiang Wei, Di Chuan Geng, Liu Zhengjian, Wang Guangwei, Xu Runsheng, Qiao Junqiang, Zhang Wenhui,
Qiu home, Ning Xiaojun, Chai Yifan, Wang Ocean, Song Tengfei, Lin Hao, Zhao Di, Liu Siyuan, Guo Branch, Chen Yuting.
Blast furnace oxygen - rich coal injection technical specifications
1 Scope
This standard specifies the blast furnace oxygen-rich coal injection technology terms and definitions, principles and processes, pulverized coal injection requirements, injection coal cost-effective assessment and
Optimization, operation technical requirements, equipment and safety maintenance, environmental control requirements.
This standard applies to the new, reconstruction, expansion of iron and steel enterprises blast furnace oxygen-rich coal injection technology design, operation, management and equipment maintenance.
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 12348 industrial enterprises boundary environmental noise emission standards
GB 13456 steel industry water pollutant discharge standards
GB 16543 blast furnace injection bituminous coal system explosion safety regulations
GB 16912 deep-frozen production of oxygen and related gas safety technical regulations
GB 28663 Ironmaking Industry Air Pollutant Emission Standard
Code for design of blast furnace ironmaking project GB 50427
TSG21 pressure vessel safety technology supervision procedures
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Blast furnace oxygen-rich pulverizedcoalwithoxygen-enrichedinjectionintoblastfurnace
Pulverized coal injection from the upper tuyere of blast furnace to reduce the blast furnace coke consumption, accompanied by oxygen-rich blast to improve the tuyere area
Pulverized coal combustion rate of the process.
3.2
Injection coal effective calorific value of injectioncoal
The actual supply of heat after the pulverized coal is injected into the blast furnace, ie, the calorific value of the pulverized coal in incomplete combustion (oxidation to carbon monoxide)
Decomposition of heat, water gas heat of reaction, desulfurization heat consumption, into the heat after the slagging.
3.3
Coal blowing cost costefficientofcoal
Pulverized coal injection performance and its price ratio.
3.4
Blast Furnace Economic Oxygen-enrichedinjectionrateforblastfurnace
In the case of other conditions unrelated to oxygen-rich, the lowest oxygen-rich rate of blast furnace hot metal can be achieved.
3.5
Pulverizingcostofinjectedcoal pulverizingcostofinjectedcoal
Blast furnace injection of raw coal (coal washing) in the process of grinding coal consumption costs and carrier gas costs.
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