【Daily Question】Catalytic Cracking, Coking, and Reforming Version 20170111
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This post was last edited by 103388716 on 2017-1-17 at 16:34. To increase the popularity of this section, a daily question activity has been launched; the purpose of this activity is: “Learn a little bit every day, and make significant progress over ten days.” I hope everyone will participate actively; by learning and making progress, they can also easily bring wealth home :) Participation: 3 rewards for wealth ； Correct answer: Reward of 8 wealth points ； Note: For questions from that day, a full score is awarded if answered on the same day; answering the next day earns 3-5 wealth points. http://bbs.hcbbs.com/static/image/hrline/4.gif Fill-in-the-blank question (Coking section): The main purpose of installing a steam seal on a four-way valve is ＿＿＿＿＿. Correct: Prevent coking of the valve body
The main purpose of installing a steam seal on a four-way valve is to prevent coking of the valve body
The main purpose of installing a steam seal on the four-way valve is to prevent coking.
Coking occurs very easily; therefore, steam needs to be injected into the sphere, and usually four injection points are sufficient. The steam from the note enters the tower together with the steam injected via the backfeed valve!
The main purpose of installing a steam seal on a four-way valve is ____________. Prevent coking of the valve core and valve body due to oil leakage