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GB/T 32956-2016: Methods of determination and calculation of heat balance in grate-kiln process for pellet firing system of iron and steel industry
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32956-2016 | English | 399 |
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Methods of determination and calculation of heat balance in grate-kiln process for pellet firing system of iron and steel industry
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GB/T 32956-2016
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Basic data | Standard ID | GB/T 32956-2016 (GB/T32956-2016) | | Description (Translated English) | Methods of determination and calculation of heat balance in grate-kiln process for pellet firing system of iron and steel industry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H04 | | Classification of International Standard | 77-010 | | Word Count Estimation | 20,257 | | Date of Issue | 2016-08-29 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | National Standard Announcement 2016 No.14 | | 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 32956-2016: Methods of determination and calculation of heat balance in grate-kiln process for pellet firing system of iron and steel industry
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Methods of determination and calculation of heat balance in grate-kiln process forpellet firing system of iron and steel industry
ICS 77-010
H04
National Standards of People's Republic of China
Steel industry chain grate - rotary kiln roasting pellet system
Thermal balance testing and calculation method
2016-08-29 released
2017-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by China Iron and Steel Industry Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
The drafting of this standard unit. Sinosteel Group Anshan Thermal Energy Research Institute Co., Ltd., Metallurgical Industry Information Standards Institute.
The main drafters of this standard. Cong Wei, Wang Jiangwei, Xie Guowei, Qiu Jinhui, Li Shun, Tong Xin, Xu Yang, Fan Tianjiao.
Steel industry chain grate - rotary kiln roasting pellet system
Thermal balance testing and calculation method
1 Scope
This standard specifies the steel industry chain grate - rotary kiln roasting pellet system thermal balance test and calculation of the benchmark, equipment and the main technology
Parameters, test preparation, test procedures, test sites and methods, material balance calculation, heat balance calculation.
This standard applies to the steel industry to solid fuel-based chain grate - rotary kiln roasting pellet system thermal balance test and calculation.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 476 Elemental Analysis Method for Coal
Code for design of GB 50491 iron ore pellets
3 terms and definitions
GB 50491 Definitions of terms and definitions apply to this document.
4 Thermal balance test and calculation basis
4.1 Reference temperature and humidity
The ambient temperature and relative humidity at 1 m from the equipment in the workshop where the rotary kiln is located.
4.2 fuel calorific value
Using the received low (bit) calorific value.
4.3 Thermal balance test range
According to the need to do the whole system of thermal balance testing and calculation (ie, including chain grate, rotary kiln and ring cooling machine), can also be chain grate,
Test and Calculation of Heat Balance of Rotary Kiln and Circulating Cooler.
4.4 Thermal balance test time
In the material varieties and specifications unchanged, the system conditions are stable under the continuous test. The thermal balance test should be made in the chain grate - rotary kiln system
Continued to run within 8h to complete the number of tests per day can not be less than 2 times, continuous test 3d. Material volume, temperature, pressure, flow and other parameters of the test
Try not less than 4 times per class, and then take the average.
4.5 Heat balance calculation unit
The amount of heat consumed per hour is calculated as kJ/h.
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