| Study on Microstructure and Slag Corrosion Mechanism of High Chrome Bricks for Gasifier |
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| 作者姓名： | XU Yanqing GENG Keming LI Hongxia WANG Jinxiang RUAN Bo CHEN Renpin |
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| 作者单位： | XU Yanqing~(1，2)，GENG Keming~(1，3)，LI Hongxia~(2)，WANG Jinxiang ~(2)，RUAN Bo~(2) and CHEN Renpin~2 1 University of Science and Technology Beijing 2 SinoSteel Luoyang Institute of Refractories Research 3 Tianjin University |
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| 摘 要： | 1 Introduction The gasifier like Texaco style is of important tech- nical equipment for ammonia synthesis and production of carbamide, carbinol and ethylene etc. Due to differ- ent energy resource structure, petroleum coke is adopt- ed as rawmaterial in A…
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| 关 键 词： | 显微结构 高铬砖 气化器 炉渣侵蚀 耐火材料 |
| 收稿时间： | 2005-11 |
Study on Microstructure and Slag Corrosion Mechanism of High Chrome Bricks for Gasifier |
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| XU Yanqing GENG Keming LI Hongxia WANG Jinxiang RUAN Bo CHEN Renpin.Study on Microstructure and Slag Corrosion Mechanism of High Chrome Bricks for Gasifier[J].China’s Refractories,2006,15(1):15-20. |
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| Authors: | XU Yanqing GENG Keming LI Hongxia WANG Jinxiang RUAN Bo CHEN Renpin |
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| Abstract: | Research was focused on slag corrosion mechanism of high chrome bricks used for different types of gasifier by comparing the structure of high chrome bricks for petroleum coke gasifier and water-coal slurry gasifier with slag corroded test ing brick and water coal slurry gasifier through Scanning Electron Microscope (S EM) examination and X-ray diffraction. Results show that for high chrome brick used for petroleum coke gasifier, corrosion is mainly caused by Cr_2O_3 in the brick and V_2O_5 in molten slag and liquid phase generation at low temperatur e; for high chrome brick used for water-coal slurry gasifier, corrosion is caus ed by dissolution of Cr_2O_3 in molten slag and corrosion of ZrO_2. For LIRR -HK95 brick, it performs better petroleum coke corrosion resistance than the ot hers due to the optimal composition and structure. |
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| Keywords: | High chrome brick Gasifier Microstructure Corrosion |
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