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GB/T 34538-2017: The high temperature coal carbonization and product quantitative determination
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GB/T 34538-2017: The high temperature coal carbonization and product quantitative determination

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The high temperature coal carbonization and product quantitative determination ICS 75.160.10 H32 National Standards of People's Republic of China High temperature coking test and coking product yield evaluation method 2017-10-14 Published 2018-05-01 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 Coal Chemical Industry Standardization Technical Committee coking chemical points Technical Committee (TC469/SC3) centralized. This standard was drafted unit. Anshan Kexiang Instruments Co., Ltd., Liaoning University of Science and Technology, Anshan Hansheng Metallurgical Equipment Co., Ltd., metallurgy Industrial Information Standards Institute. The main drafters of this standard. Platinum Front, Zhang Dapeng, Yang Di light, Wen Yonghui, Zhang Liang, Wen Hongxiang, Zhang Jingxi, Zheng Jing Xu. High temperature coking test and coking product yield evaluation method

1 Scope

This standard specifies the principle of high-temperature coking test and coking product yield evaluation methods, test equipment, equipment and materials, the sample taken And preparation, test procedures and results calculation. This standard applies to high-temperature coal coking and product evaluation methods, low-temperature carbonization and temperature distillation test can refer to the implementation.

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. Determination of total moisture in coal GB/T 211-2007 GB/T 220 coal - Determination of carbon dioxide chemical reactivity Coal screening test methods Coke industry analysis method Determination of mechanical strength GB/T 2006 metallurgical coke GB/T 2286 Determination of total sulfur content of coke Determination of water content of coking products GB/T 2288-2008 GB/T 4000 coke reactivity and post-reaction strength test method GB/T 4511.2 Determination of coke drop strength Technical specification for mechanical sample preparation of coke reactivity and post - reaction strength

3 principle

According to the coking process, the raw coal is put into the metal coal briquette, the bottom heating method is adopted, and the coal is heated to 950 ℃, and maintain a certain constant temperature time, the coal after thermal decomposition and coking process and produce coke, gas, tar and water, measured its production Product yield and quality evaluation of these products. In order to ensure complete coking coal tar condensate produced during the experiment with a temperature of 10 ℃ ± 0.5 ℃ indirect cooling water circulating water Gas; using a circulating water at a temperature of 75 ℃ indirect heating tube condenser wall to recover the inner wall of the coal tar condensate, separation of coal tar and chemical Water together. 4 Reagents, materials and equipment 4.1 Nitrogen gas Purity ≥99.99%. 4.2 Electronic Balance Electronic scales used in the experiment have different ranges. One range.200kg, flu ≤ 10g; range 100kg, flu ≤ 10g; range 2kg, flu ≤ 1g. 4.3 automatic moisture measuring device. Measuring range ≥ 6kg, the sense of volume ≤ 0.1g. 4.4 wet gas flowmeter .0.5m3/h, accuracy of not less than 1.0%. 4.5 Thermometer and barometer Mercury thermometer range 0 ℃ ~ 50 ℃, barometer range 960hPa ± 5hPa ~ 1060hPa ± 5hPa. 4.6 Tubular condenser. Heat transfer area of 2m2. 4.7 Recycling water machine. Adequate heating and cooling capacity to ensure circulating water temperature control range 10 ℃ ~ 75 ℃. ...