[Weekly Image] Catalytic Coking Reformate Blending Version (Second image of May 2017)

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To boost the popularity of the catalytic coking reformed oil blending version and add some vitality and color to it, events have been organized for this version. Reward for this question: 4 Wealth for participation, 10 Wealth for a correct answer. This isn’t too easy, hehe~:lol Guess: It’s a device inside the catalytic reactor system in the picture – what is its name? Answer: Sinker weight-type flap valve. It’s rare these days. ========================== Petrochemical Zone – “Creative Ideas for Energy Savings” event (Sponsors sought; highest returns ever offered) http://bbs.hcbbs.com/thread-1666758-1-1.html. Sponsors are being sought for this event; those interested can contact the event organizer. Petrochemical Processing Edition – An event to share pictures of chemical processing equipment has started! A vast amount of wealth, as well as HCH coins, are waiting for you to claim them: http://bbs.hcbbs.com/thread-1760733-1-1.html. Notice regarding the collection of chemical engineering technical materials in the \"Petroleum and Chemicals Section\": http://bbs.hcbbs.com/thread-1614796-1-1.html