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This post was last edited by zxz017 on 10/6/2016 at 12:00 – Haichuan Freelancer’s large-scale “public welfare” event has come to life in splendor! http://bbs.hcbbs.com/thread-1576975-1-1.html (Source: Haichuan Chemical Industry Forum) The Super Reward forum event is now in full swing! ! http://bbs.hcbbs.com/thread-1436442-1-1.html Current main topics for rewards offered to freelancers (updated weekly): Summary of rewards offered to freelancers; Update date: June 19, 2016. Serial number, topic, amount of Haichuan coins required, status: 1. Please conduct system testing for this technical freelancer (expert) and create a detailed user guide – 1000 coins; in progress. 2. Haichuan coin freelancer (180 Haichuan coins): Provide the necessary design documents based on the horizontal pressure vessel design drawings I’ve provided – 180 coins; in progress. 3. Seeking information on companies engaged in the export of mechanical pumps and valves, as well as international projects in the chemical and environmental protection sectors – 180 coins; in progress. 4. Haichuan coins: Instructions for DCS control of cascade pumps – 100 coins; in progress. 5. Haichuan coin freelancer: Does anyone know which domestic factory produces such axial flow pumps? 80 in progress. 6 HaiChuan Coin Freelancer – sealing issue with the solid powder feeding system. 50 in progress. 7 Freelancer seeking help regarding glue filtration equipment! It is hoped that manufacturers can provide high-quality filtration equipment! 50 In progress 8 Seeking 50 In progress 9 Survey on corrosion issues in MTBE/butylene plants 50 In progress 10 [Haichuan Coin Freelancers] Seeking PID diagrams for 3.5 million tons of heavy oil catalytic cracking 30 In progress 11 Methanol distillation control scheme 20 In progress 12 Solutions for LNG regasification 20 In progress 13 [Freelancer Charity Initiative] The company has sodium sulfate as a by-product and wants to install an electrolysis system with a capacity of 10,000 tons 20 In progress 14 Haichuan Coin Freelancers seeking information on manufacturers selling used chlor-alkali electrolyzers 20 In progress 15 Haichuan Coin Freelancers: Mature technology for butyl phthalate plasticizers 20 In progress 16 Looking for information and technical questions related to the isomerization of butylene into isobutylene* 20 In progress 17 Materials for the 2015 National Symposium on Ethylene Oxide and Its Derivatives – Technology/Market 15 In progress 18 Who can provide drawings for container-based mobile houses? 15 In progress 19 Haichuan Coin Freelancers: How to prevent sticking during the drying process of water-based acrylic resins? 10 In progress. 20 [Woker Public Welfare Project] Addressing the issue of excessive barium sulfate in brine using the barium chloride method – 10 in progress. 21 Seeking a paper or guidance on the design of the distillation section for a process that produces 50,000 tons of dimethyl carbonate per year… Generous reward available. 10 in progress. 22 The partial pressure, viscosity, and surface tension of dimethyl carbonate between 100 and 200 degrees Celsius. . . 10 In progress 23 【Haichuan Coin Freelancer】Seeking experience in research on coal-based methanol production 10 In progress 24 【Haichuan Coin Freelancer】CAD design drawings for fixed tube sheets – split double tube sheet heat exchangers 10 In progress 25 【Haichuan Coin Freelancer】JK Simmet grinding process simulation software; seeking a demo version of the software 10 In progress 26 【Haichuan Coin Freelancer】Chinese versions of Annexes A, B, C, and D to EN 12952-5 10 In progress 27 【Haichuan Coin Freelancer】Does anyone have image materials related to isothermal compressors? 10 In progress. 28 [Haichuan Coin Freelancer] Chinese version of DNV GL’s materials and welding specifications. Who can provide this? 10 In progress. 29 [Haumann Coin Freelancer] Where can I find the manuals for the speed control system and barring gear of Man Turbo turbines? 10 In progress 30 【Woker Charity Project】pH 10 of carbonate buffers at different concentrations – in progress 31 Introduction to applications of wide-channel plate heat exchangers in oil fields – 10 in progress 32 HaiChuan Coin Wokers seeking instructions for explosion-proof motors in Jiamusi – 10 in progress 33 Errors that occur when an orifice plate is installed in the reverse direction – 8 in progress 34 【HaiChuan Coin Wokers】Who can provide ‘Fundamentals and Practices of Mechanical Engineering (Beginner Level)’? – 5 in progress 35 HaiChuan Coin Wokers seeking data on urea-based compound fertilizers – 5 in progress 36 HaiChuan Coin Wokers seeking help! Manufacturer of DCC cracking agents and heavy oil catalysts! 5 in progress 37 Inquiry about the price of electrodesalination equipment? 5 in progress 38 HaiChuan Coins – Seeking advice from freelancers! Magnesium oxide, wet flue gas desulfurization, crystallization issues – Task 5 is in progress. 39 Haichuan Coin Wickered users are seeking suppliers of organic gas separation membranes; Task 5 is in progress. 40 Assistance requested for obtaining the proceedings of the 2015 China Petroleum Refining Technology Conference; Task 5 is in progress. 41 Unit control – Task 5 is in progress. 42 Haichuan Coin Wickered users are seeking the full version of JBT7689-2012; Task 2 is in progress. 43 Request for contact lists from recent coal chemical and petrochemical conferences held in 2016; Task 2 is in progress. 44 A large-scale “public welfare” event organized by Haichuan Wickered has been successfully carried out! 1 In progress. 45 What is the current status of domestic production of these three types of equipment in domestic ethylene plants, as well as their operational conditions? 20 Completed. 46 HaiChuan Coin freelancers: I would like to ask all the experts, what exactly is the concept of the P value in PID control? 20 Completed. 47 Seeking a Chinese version of the contract template for on-site construction management outsourcing services. 10 Completed. 48 [HaiChuan Coin Freelancers]: Urgent need for the Anhui local standard “Guidelines for Handling Liquefied Petroleum Gas Leaks”. 10 Completed. 49 Operating procedures for purging and replacing containers and equipment prior to catalyst replacement in MTBE production. 10 Completed. 50 Seeking assistance in downloading documents from CNKI. 5 Completed. 51 Safety design specifications for caustic soda plants (draft for comments). 1 Completed. 52 This post serves as a tutorial on how to use the Technical Freelancer system! 1 Completed +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ This post serves as a marker for moderators to handle posts, intended to facilitate moderation tasks by moderators and other administrative staff ； Posts above this one are new topic posts or new reply posts, while posts below this one are those that have been read and processed by the moderators. The primary task of the moderators is to maintain an orderly environment for technical discussions within the forum. Please deal with unread posts in a timely manner, take action against those who violate the forum rules, and upgrade the management structure as needed. When managing as a moderator, start from the management divider, go through all posts one by one, and then raise the management divider – make sure nothing is missed. Try to complete the management in one go; never raise the management divider before starting to manage the posts. Please ask the moderators to improve the scoring given to users who post here (in order to boost their confidence in posting), increase the number of views on posts, promote high-quality posts, and ideally provide comments on them. Valuable posts are recommended, while ads, meaningless posts, and spam posts are removed promptly; in severe cases, the poster is banned from posting and accessing the platform. Please make sure that the new moderator reads the links below carefully after taking office, so as to familiarize themselves with the rules and responsibilities of a moderator as soon as possible, in order to serve the community members and improve their own skills! Management System for the Safety and Environmental Protection Section: http://bbs.hcbbs.com/thread-1404971-1-1.html New members are requested to familiarize themselves thoroughly with the forum’s rules before posting, to abide by those rules, and to actively participate in technical exchanges. Wish all moderators a pleasant working experience! Management, handling, bounties, moderators