【Daily Question No. 005】2017.01.05

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This post was last edited by 955559 on 2017-7-31 at 16:04. [Daily Question No. 005] On 2017.01.05, when a new heating furnace or its furnace body is constructed, or after a major maintenance session, it is necessary to carry out ( ) operations before starting up the furnace. This is done in order to remove ( ), thereby preventing too rapid an increase in the temperature inside the furnace during startup, which could lead to expansion of the furnace walls, cracks and deformation, or even collapse. The reference answers will be visible after responding; points are awarded by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Oven; moisture inside the refractory materials in the oven body; Summary post of Q&A questions for 2017 (updates have started) http://bbs.hcbbs.com/thread-1657793-1-1.html Summary post of daily questions for 2017 (updates have started) http://bbs.hcbbs.com/thread-1657794-1-1.html Summary post of Q&A questions for 2016 (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Xin Chang Cup – 2016 HaiChuan Top 10 Selection – Please recommend candidates http://bbs.hcbbs.com/thread-1654112-1-1.html Third round of evaluation for outstanding management members at HaiChuan http://bbs.hcbbs.com/thread-1655902-1-1.html (Source: HaiChuan Chemical Forum)