Thread Content
This post was last edited by Xiao Jie on 2016-11-7 at 14:35. 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 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: July 28, 2016. 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. 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, In progress; 4. Haichuan Coin: 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 – Technology/Market 15 In progress 17 Comprehensive explanation of PID diagrams 15 In progress 18 Seeking information on the design of stripping and extraction processes and equipment 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 [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… Heavy 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 techniques! 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 application examples of wide-channel plate heat exchangers in oil fields – 10 In progress. 32 Errors that occur when an orifice plate is installed in the reverse direction – 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 electrodialysis equipment? 5 In progress 36 Haichuan Coin Freelancer: Seeking suppliers of organic gas separation membranes 5 In progress 37 Seeking help regarding the proceedings of the 2015 China Petroleum Refining Technology Conference 5 In progress 38 Electronic version of the technical manual for the SZorb catalytic gasoline adsorption desulfurization unit? 5 In progress: Control of Unit 39 – in progress. 40 Seeking help from Haichuan Freelancers for the complete version of JBT7689-2012 – in progress. 41 Looking for contact lists from coal chemical and petrochemical conferences held in 2016 – 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: Anhui provincial standard titled “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 Freelancers】Who can provide the book \"Fundamentals and Practice of Mechanical Engineering (Beginner Level)\"? Task 5 completed. 57 Request to download a CNKI document – 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 higher-level administrators ； In principle, posts above this one are new topic posts or those with new replies, while posts below this one are those that have been reviewed and handled by the moderators. New members are asked to familiarize themselves thoroughly with the forum rules before posting (a link is provided below), to abide by those rules, and to actively participate in technical discussions. The primary task of the moderator is to maintain an orderly environment for technical discussions within the forum. Please handle unread posts promptly, and take action against those who violate the forum rules. Special note for moderators: When managing posts, start from the management divider and go through all posts sequentially from top to bottom; after that, move the management divider upward. Once it has been moved, check again to see if there are any unread posts below the divider ； Be careful not to make any omissions when managing, and try to complete the management in one go; definitely do not raise the management divider before finishing the management. Please ask the moderators to pay more attention to rating posts by other users, and it would be great if they could provide comments and replies. This way, those posting can also participate in discussions to improve themselves, while at the same time it encourages other users to post and engage in conversations ； All moderators need to increase the number of posts they read; they should not stop checking posts just because other moderators are already handling them. If there are posts that have not been rated or have received insufficient ratings by other moderators, those ratings can be added ； Please promote high-quality posts and help requests posted within 3 days with no replies. For particularly valuable posts, give them recommendations, push them to the top, and mark them as highlights (for these three actions, first obtain support from other moderators in the management group) ； Advertising posts, meaningless posts, and spam posts must be deleted promptly. At the same time, review this person’s other posts: delete those that can be removed, and report those that should be reported. All illegal posts posted in the Machinery section need not be moved or edited – they can be deleted directly with a record of the violation made ； Warnings such as post deletion warnings, etc. – in theory, if someone continues to violate the rules despite receiving these reminders, they will be suspended; the duration of this suspension will increase gradually depending on the circumstances, and in severe cases, the person who posted the content will be banned from accessing the platform. All moderators are requested to carefully read the link below, familiarize themselves with the rules and responsibilities of moderators as soon as possible, so as to serve the community members and improve their own skills! Forum regulations summary: 1. Haichuan Constitution → Haichuan rules: http://bbs.hcbbs.com/thread-1365716-1-1.html 2. Working guidelines for the Haichuan management team: http://bbs.hcbbs.com/thread-1405390-1-1.html 3. Regulations and implementation methods for strengthening page management in [Chemical Equipment and Machinery]: http://bbs.hcbbs.com/thread-1276882-1-1.html 4. Thread for reporting forum issues: http://bbs.hcbbs.com/thread-971615-1-1.html 5. Content prohibited on the forum: http://bbs.hcbbs.com/thread-858040-1-1.html 6. Special thread for moderators to request leave: http://bbs.hcbbs.com/thread-759245-1-1.html 7. Giving roses to others leaves fragrance in one’s own hands: http://bbs.hcbbs.com/thread-962301-1-1.html Wishing all moderators a pleasant work experience! Hope all forum users enjoy meaningful exchanges!