Upgrade Direct Traffic – Freelancer Bounties, welcome! Heat exchange version – Please upgrade after management

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This post was last edited by Thank goodness you're here on 2016-3-7 09:32. The Super Reward Edition event is now in full swing! ! http://bbs.hcbbs.com/thread-1436442-1-1.html Current main topics for rewards on Wike (updated weekly): Serial Number, Topic Status, Reward Amount. 1. Controlling the feeding rate in a metering silo – Updated; Reward: 100. 2. Seeking software for calculating the properties of raw materials – Updated; Reward: 50. 3. After 98% concentrated sulfuric acid is used to absorb hydrogen sulfide and phosphine from acetylene gas, is there a strong odor of hydrogen sulfide in the 75% waste acid? Does anyone have image materials of the new 100 4 isothermal compressor? New 100 5【Chemical Operations】Seeking the operating procedures for purging and flushing the reactor before replacing the catalyst in MTBE processes. New 222 6 Operating procedures for PVC bulk packaging machines. New 100 7 Discussion on two-stage combined cracking processes. 100 8 Seeking accident videos – videos of injuries caused by rotating equipment & videos of accidents related to lifting operations. 100 9 Does anyone use compressors from Cooper, Foxboro, Ingersoll Rand, Sulzer, or Atlas? 50 10 Looking for a Venturi calculation software. 50 11 Who can provide the Chinese version of DNV GL’s material and welding specifications? 100 12 Solvent for synthesizing diethyldiphenylthiuram disulfide. 250 13 Information regarding frame level gauges. 50 14 Does anyone have articles on LPG compressors? 50 15 Repair plans after a boiler explosion. 360 16 Pressure retention in labyrinth-type compressors. 50 17 Issues related to the display of CAD in the taskbar. 80 18 Request for help in downloading from http://www.46xz.com/a/jxsoft/qt/huagong/2014/0311/3649.html 200 19 Need a detailed Job Hazard Analysis (JHA) for coking, hydrogen production, and hydrogenation processes; the more detailed, the better. 50 20 Calculation of thermal efficiency for DGJ220/9.8 boilers 800 21 Urgent request for help – hope experts can assist, thank you! 140 22 Aspen simulation does not converge for the amine solution regeneration unit. 50 23 Automatic packaging machine for pigment solid powders. 190 24 New version of storage tank design standards: How to interpret Pmax in the calculation of internal pressure. 70 25 Requesting that someone upload a version of Alfa Laval’s or other well-known manufacturers’ software for calculating and selecting heat exchangers. 1800 26 Is methyl tert-butyl ether (TAME) considered a chemical? 50 27 Does anyone have the manuals for the speed control systems and gear turning devices of Mannheim turbine engines? It would be best to have CAD design drawings of type NA, 50 28 – fixed tube sheet, split double tube sheet heat exchangers, along with diagrams showing the equipment profile. 200 29: Dear colleagues, I’m looking for drawings of reaction vessels for learning purposes; anyone who can provide them would be greatly appreciated. 100 30 Hunan Golden Eagle Boiler Co., Ltd. – Offering high salaries for boiler design experts. 140 31 Seeking domestic vortex flow meters. 50 32 Video on chemical reaction engineering, chemical process design, and petroleum processing engineering. 335 33 Pictures of motor couplings after installation. 135 34 Reward for English translation services. 140 35 Research on coal-to-methanol production. 266 36 Since I’m not a specialist in process design, I need help selecting a suitable heat exchanger; anyone with expertise please assist! ! 100 372015 Materials for the National Symposium on Ethylene Oxide and Its Downstream Products – Technology/Market 1500 38 Who can send \"Fundamentals and Practices of Mechanical Engineering (Beginner Level)\\" to my email address 472491706@qq.com? 50 39 Exam questions for the A1, A2, and A3 category auditors for pressure vessels, first session in 2015 (Kunming) 1650 40 I’m looking for the PID diagram for the catalytic cracking of 3.5 million tons of heavy oil 500 41 What are the standards regarding heavy metal content in catalytic cracking? 290. What are the requirements for sealing equipment after the 42LNG plant stops operating? 200 43 Request for a list of national engineering and installation companies in the petrochemical industry 870 44 Examples of the use of wide-channel plate heat exchangers in oil fields 600 45 Seeking a complete set of analytical instruments for chlor-alkali plants (heavy reward offered) 499 46 Technical comparisons of SMTO+OCC, UOP MTO+OCP, DMTO+OCU, and DMTO-2 100 47 Newcomer seeking help with vertical water pumps 50 48 Seeking Promax 3 Harmony version software 2000 49 Urgently seeking engineers skilled in door paint production; also looking for a list of companies that handle chemical waste (preferably those located in Jiangxi Province or its surrounding areas) 100 50 Optimization analysis based on total annual cost (TAC) 100 51 Reference manual on PRO/II components, thermodynamic properties, and unit operations 66 52 Request for a list of domestic companies that handle chemical wastewater 594 This post serves as a separator for posts to be handled by the forum moderator, to facilitate the moderator and other management staff in handling forum-related tasks ； 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 processed by the moderators. 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Work 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!