【Daily Question No. 011】2017.01.11
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This post was last edited by liuquan1100 on 2017-1-11 at 19:43. [Daily Question No. 011] 2017.01.11: If the outlet flow rate of the reaction feed pump is too low, then the control valve should ( ). 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.) ) Summary thread of Q&A questions from 2017 (updates have started): http://bbs.hcbbs.com/thread-1657793-1-1.html Summary thread of daily questions from 2017 (updates have started): http://bbs.hcbbs.com/thread-1657794-1-1.html Summary thread of Q&A questions from 2016 (already updated): 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) http://bbs.hcbbs.com/attach/data/attachment/album/201611/07/100220rwldcbzc4hfw416w.png http://bbs.hcbbs.com/attach/data/attachment/album/201611/07/100216h7ph1ikqqikinmqm.png
If the outlet flow rate of the reaction feed pump is too low, the control valve should be (reduced)
Increase the opening degree; if the control valve is already fully open, slightly open the bypass line
Automatic shutdown, simultaneously closing the main fuel gas supply isolation valve of the reaction heating furnace