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GB/T 34211-2017: Iron ores -- Method for determination of iron reduction softening drippinger performance under load
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34211-2017 | English | 359 |
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Iron ores -- Method for determination of iron reduction softening drippinger performance under load
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GB/T 34211-2017
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Basic data | Standard ID | GB/T 34211-2017 (GB/T34211-2017) | | Description (Translated English) | Iron ores -- Method for determination of iron reduction softening drippinger performance under load | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D31 | | Classification of International Standard | 73.060.10 | | Word Count Estimation | 18,129 | | Date of Issue | 2017-09-07 | | Date of Implementation | 2018-06-01 | | 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 34211-2017: Iron ores -- Method for determination of iron reduction softening drippinger performance under load
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Iron ores - Method for determination of iron reduction softening drippinger performance under load
ICS 73.060.10
D31
National Standards of People's Republic of China
High temperature iron ore load reducing soft reduction
Determination of drip performance
Ironores-Method for determination of iron reduction
2017-09-07 Posted
2018-06-01 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 Iron Ore and Direct Reduced Iron Standardization Technical Committee (SAC/TC317) centralized.
This standard was drafted unit. Anshan City Kexiang Instrument Co., Ltd., Anshan Iron and Steel Co., Ltd., Metallurgical Industry Information Standards Institute.
The main drafters of this standard. Zhang Dapeng, Yang Di light, Shao Shao-feng, Ma Lian Zhuang, Wen Yonghui, Zhou Mingshun, Zhang Jingxi.
High temperature iron ore load reducing soft reduction
Determination of drip performance
Warning --- personnel using this standard should have formal laboratory work experience. This standard does not indicate all possible safety issues
question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the conditions of the relevant state laws.
1 Scope
This standard specifies the test equipment, test conditions, sample preparation, test procedures, determination of iron ore load reduction soft melt dripping method,
Results calculation and test report.
This standard applies to the assessment of the natural lump ore, sinter, pellets and pyrometallurgical properties of integrated charge.
2 Normative references
The following documents for the application of this standard 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 1996 metallurgical coke
GB/T 1997 Coke samples taken and preparation
GB/T 6003.1 Test sieves - Technical requirements and testing - Part 1. Wire mesh sieve test sieves
GB/T 6003.2 Test sieves - Technical requirements and testing - Part 2. Metal perforated plate test sieves
GB/T 6005 test sieve wire mesh, perforated plate and the basic dimensions of the electroformed sheet sieve
GB/T 10322.1 Iron ore sampling and sample preparation methods
GB/T 20565 iron ore and DRI terms
3 Terms and definitions
GB/T 20565 defined and the following terms and definitions apply to this document.
3.1
Sample shrinkage shrinkageofthesample
Δt
During the experiment, the height of the sample changes with the height of the original sample.
3.2
Softening start temperature softeningstarttemperature
T10
Sample shrinkage rate of 10% of the temperature.
3.3
Softening end temperature softeningfinishingtemperature
T40
Sample shrinkage rate of 40% of the temperature.
3.4
Pressure difference pressuredifference
ΔP
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