[Technical Post] Summary of weekly topics for the PVC forum in 2015 – moderators are requested to add updates promptly!
Thread Content
Weekly Topic: Materials and Applications of Falling Film Absorbers in Companies http://bbs.hcbbs.com/thread-1369150-1-15.html Weekly Topic: What are the methods for static electricity bonding of process pipelines and equipment in chemical plants, and how does your company handle this? http://bbs.hcbbs.com/thread-1365363-1-14.html Weekly topic: For the clean use of acetylene produced by the calcium carbide method, what is the consumption of concentrated sulfuric acid per ton of PVC? Let’s compare it among different companies. http://bbs.hcbbs.com/thread-1375246-1-13.html Weekly topic: Public call for information on the types and effectiveness of anti-sticking agents used in PVC polymerization (reward: 5~~10 wealth points) http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1391759&page=1&extra=#pid13613866 Weekly topic: Analysis of the causes of fish-eye defects and corresponding solutions (reward: 2~15 wealth points for participating in the discussion) http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1388854&page=1&extra=#pid13584989 Weekly topic: Why is secondary water injection carried out during the vinyl chloride polymerization process? Participate in discussions for 5–20 wealth points: http://bbs.hcbbs.com/thread-1394825-1-10.html. Weekly topic: Differences among various methods of vinyl chloride polymerization (reward: 5–20 wealth points for participation). http://bbs.hcbbs.com/thread-1396618-1-10.html. Weekly topic: What are the reasons why monomers cannot be added to the reactor or why the flow rate is low, and how should this be addressed? Rewards of 5~20 wealth for participating in discussions: http://bbs.hcbbs.com/thread-1399962-1-9.html Weekly topic: What is a \"surge in traffic\"? And if such a surge is detected, how should it be handled? Rewards of 5~20 wealth for participating in the discussion: http://bbs.hcbbs.com/thread-1397452-1-9.html Weekly topic: What are the functions of adding deionized water in suspension polymerization? Rewards of 5~20 wealth for those who participate in the discussions: http://bbs.hcbbs.com/thread-1403222-1-8.html. Weekly topic: An overview of the PVC market’s development in the context of energy changes; 5~15 participants will receive wealth rewards, with an additional bonus in the form of charm points! ! ! http://bbs.hcbbs.com/thread-1410716-1-8.html Weekly question: Discussion on PVC negative pressure stripping tower equipment and operation; replies earn 5~15 wealth points. http://bbs.hcbbs.com/thread-1422767-1-7.html Weekly question: Reward-based discussion – inspections must be carried out on time regardless of how busy one is; if too busy to do so, it can be done later (replyers receive 5~15 wealth points). http://bbs.hcbbs.com/thread-1426387-1-6.html
Question of the week: What is this thing and how to use it? Those who answer correctly will receive 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1431835-1-5.html. One question per Monday: Discuss the methods and precautions for forcing hot water circulation in converters; rewards of 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1429954-1-5.html. One question per Monday: Provide evaluations or suggestions regarding the process of activating the ESD accident termination system in Reactor No. 2; rewards of 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1424077-1-5.html. One question per Monday: Talk about the vibration screen processes, types, and capabilities used in your own facility; rewards of 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1500786-1-2.html. One question per Monday: Why is it necessary to reduce the flow rate of the circulating water in the polymerization reactor jacket, thereby causing the reactor temperature to rise? Rewards of 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1493067-1-2.html. Weekly topic: What causes rust on the spray valves in polymerization reactors, and how should it be dealt with? Rewards of 5 to 15 wealth points: http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1426998&page=1&extra=#pid13971032. One question per Monday: Analyze the reasons for wear on the impellers of compressors used in polymerization processes; participants will receive 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1471202-1-2.html
Weekly topic: What are the most optimal values for temperature and pressure control at the bottom of the VCM distillation column? Rewards of 5 to 15 wealth points: http://bbs.hcbbs.com/thread-1506580-1-1.html Weekly topic: Discuss the current low-mercury catalyst consumption, production capacity, and actual output of various companies Reward of 15~~30 wealth points http://bbs.hcbbs.com/thread-1511186-1-1.html