Haichuan Freelancer’s large-scale “public welfare” event shines brilliantly! 【Security Management Divider>> Please upgrade after management is complete】

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This post was last edited by zxz017 on 2016-10-5 07:58. 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 Summary of rewards offered by freelancers; last updated on 2016.7.28. Sequence Number, Topic, Amount of Haichuan Coins, Status: 1. Please conduct system testing for this technical freelancer (expert) and create a detailed user guide – 1000, 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, in progress. 3. Looking for information on companies that specialize in the export of mechanical pumps and valves, as well as international projects in the chemical and environmental protection sectors – 180, in progress. 4. Haichuan Coins: Instructions for DCS control of cascade pumps – 100, 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 issues with solid powder feeding systems 50 In progress 7 Seeking information 50 In progress 8 Survey on corrosion problems in MTBE/butylene plants 50 In progress 9 How to effectively learn various control theories 30 In progress 10 [Haichuan Coin Freelancer] Seeking PID diagrams for 3.5 million tons of heavy oil catalytic cracking 30 In progress 11 Control scheme for methanol distillation 20 In progress 12 Solutions for LNG regasification 20 In progress 13 [Freelancer charity project] The company has sodium sulfate as a by-product and wants to set up an electrolysis system with a capacity of 10,000 tons 20 In progress 14 Haichuan Coin Freelancer seeking information on manufacturers selling used chlor-alkali electrolyzers 20 In progress 15 Looking for information on the process and technical details related to the isomerization of butylene into isobutylene 20 In progress 16 Materials for the 2015 National Symposium on Ethylene Oxide and Its Derivatives/Market 15 In progress 17 Comprehensive explanation of PID diagrams 15 In progress 18 Seeking information on the design of stripping and stripping units 10 In progress 19 Haichuan Coin Freelancer: What are some ways to prevent sticking during the drying process of water-based acrylic resins? 10 In progress. 20 [Wikipedia charity 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 Vapor 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】JK Simmet grinding process simulation software – seeking a demo version of the software 10 In progress 25 Selection of valve flow characteristics 10 In progress 26 Bio-oil is produced through high-temperature pyrolysis; seeking further separation and processing methods! 10 In progress 27 【Haichuan Coin Freelancer】Chinese version of EN 12952-5, appendices A, B, C, D – 10 in progress 28 【Haichuan Coin Freelancer】Does anyone have image materials related to isothermal compressors? 10 In progress 29 [Haichuan Coin Freelancer] Chinese version of DNV GL material and welding specifications – who can provide it? 10 In progress 30 [Freelancer Charity Project] pH values 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 Errors that occur when an orifice plate is installed backwards – 8 In progress. 33 Haichuan Coin Freelancer: Seeking data on urea-based compound fertilizers – 5 In progress. 34 Haichuan Coin Freelancer: Seeking help! Manufacturer of DCC cracking agents and heavy oil catalysts! 5 in progress 35 Inquiry about the price of electrodesalination equipment? 5 In progress 36 Haichuan Coin Freelancer – seeking suppliers of organic gas separation membranes 5 In progress 37 Seeking help: Proceedings of the 2015 China Petroleum Refining Technology Conference 5 In progress 38 Electronic version of the technical manual for SZorb catalytic gasoline adsorption desulfurization units? 5 In progress: Control of Unit 39 – 5 in progress. 40 Seeking help from Haichuan Freelancers for the complete version of JBT7689-2012 – 2 in progress. 41 Looking for contact lists of coal chemical and petrochemical industry conferences held recently in 2016 – 2 in progress. 42 Special section for part-time project opportunities and recruitment information (updated on 7.25) – 1 in progress. 43 Haichuan Freelancers’ large-scale “public welfare” event is now underway! 1 in progress: 44 freelancers are seeking help regarding glue filtration equipment! It is hoped that manufacturers can provide high-quality filtration equipment! 50 completed. 45. What is the status of domestic production and operation of these three types of equipment in current ethylene plants in China? 20 Completed: 46. Haichuan Coin Freelancers – I would like to ask the experts what exactly the P value in PID control represents. 20 Completed: 47. Haichuan Coin Freelancers – Mature technology related to butyl phthalate plasticizers. 20 Completed: 48. Could someone provide drawings for container-based mobile houses? 15 Completed: 49. Looking for a Chinese-language contract template for outsourced on-site construction management services. 10 Completed: 50. [Haichuan Coin Freelancers] CAD design drawings for fixed tube sheets, split double tube sheets, and heat exchangers. 10 Completed: 51. Haichuan Coin Freelancers – Seeking instructions for explosion-proof motors in Jiamusi. 10 Completed: 52. [Haichuan Coin Freelancers] Urgently needed: The local standard of Anhui Province regarding guidelines for handling liquefied petroleum gas leaks. 10 Completed: 53. [Haichuan Coin Freelancers] Does anyone have instructions for the speed control systems and turning devices of Mannheim turbine engines? 10 Completed. Procedure for purging and replacing container equipment before catalyst replacement in 54 MTBE – 10 completed. 55 HaiChuan Coin freelancers, please help! Magnesium oxide, wet flue gas desulfurization, crystallization issues – Task 5 completed. 56【Haichuan Coin Freelancer】Who can provide the book “Fundamentals and Practice of Mechanical Engineering (Beginner Level)”? Task 5 completed. 57 Request for download of CNKI documents – Task 5 completed. 58 Safety design specifications for caustic soda production facilities (draft for comments) – Task 1 completed. 59 This post is 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 promptly strengthen the management structure. 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