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Synthetic Ammonia Process Technology Exchange Area [Daily Question 2009-02-14] For the refining process (copper melt method), what are the reasons for low pressure at the inlet of the copper pump, and what are the solutions? http://bbs.hcbbs.com/thread-389713-1-1.html Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-02-15] What are the causes of overcurrent in screw chillers and how to address them? http://bbs.hcbbs.com/viewthread.php?tid=390338&highlight=Synthetic Ammonia Process Technology Exchange Area【Daily Question 2009-02-16】 What are the problems associated with the design and use of copper pumps and their inlet/outlet pipes in the production of refined gas using copper melt methods? http://bbs.hcbbs.com/thread-390428-1-1.html Synthetic Ammonia Process Technology Exchange Area [Daily Question 2009-02-17] How is refined gas produced using the copper bath method during the startup process? Has it been smooth? How long did it take? http://bbs.hcbbs.com/viewthread.php?tid=391180&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-02-18] How do you carry out the replacement of the position responsible for refining gas using the copper melt method? http://bbs.hcbbs.com/viewthread.php?tid=391677&highlight=Synthetic Ammonia Process Technology Exchange Area【Daily Question 2009-02-19】 How do you carry out short-term shutdown control and purging {using steam} in the medium-low-low shift position? Requirements: Insulation and moisture retention, but no pressure retention. http://bbs.hcbbs.com/viewthread.php?tid=392793&highlight=Synthesis Ammonia Process Technology Exchange Area【Daily Question 2009-02-20】 Types of pipes used in the ammonia absorption and carbonization towers in the synthesis ammonia process. http://bbs.hcbbs.com/viewthread.php?tid=394262&highlight=Synthesis Ammonia Process Technology Exchange Area【Daily Question 2009-02-21】 Methods for replacing catalysts in the synthesis tower (ammonia synthesis) during startup and shutdown, with the catalyst remaining inside the tower. http://bbs.hcbbs.com/viewthread.php?tid=395201&highlight=Synthesis Ammonia Process Technology Exchange Area【Daily Question 2009-02-15】 What are the phenomena, consequences, causes, and solutions related to overcurrent in screw chillers? http://bbs.hcbbs.com/viewthread.php?tid=396130&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-02-23] What should be done if there are leaks in the inlet and outlet pipes of the heat-exchanged gas in the conversion system? http://bbs.hcbbs.com/viewthread.php?tid=397476&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-02-24] What measures are you using to save energy and reduce consumption in the gas production process? http://bbs.hcbbs.com/viewthread.php?tid=397478&highlight= Synthesis Ammonia Process Technology Exchange Area【Daily Question 2009-02-25】 What issues should be taken into consideration during the operation of the ammonia absorption and carbonization towers in order to reduce losses? http://bbs.hcbbs.com/viewthread.php?tid=397482&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-02-26] What range should the total alkali level at the double-dehydration unit be within? What is the stable temperature range of the lean liquid in the double-dehydration unit? http://bbs.hcbbs.com/viewthread.php?tid=400666&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-02-27] What is the significance of controlling the pressure and temperature after depressurization in the refining unit? http://bbs.hcbbs.com/viewthread.php?tid=401963&highlight= Ammonia Synthesis Process Technology Exchange Area【Daily Question 2009-03-01】 First question for March: Startup plans for the shift converter unit. 1. Initial startup. 2. Startup after a short shutdown (with temperature and pressure maintenance); Startup after a short shutdown (without temperature and pressure maintenance). 3. Startup after a long shutdown, including catalyst protection. Excellent replies will be rewarded. Note: Due to differences in processes, the name of the company cannot be included; otherwise, penalties will apply. http://bbs.hcbbs.com/viewthread.php?tid=402986&highlight= Ammonia Synthesis Process Technology Exchange Area【Daily Question 2009-03-02】 How is it possible to heat and reduce the high-temperature converter catalyst? What issues should be noted? http://bbs.hcbbs.com/viewthread.php?tid=403470&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-03] How to calibrate the ammonia tank level gauge? What issues should be noted? http://bbs.hcbbs.com/viewthread.php?tid=405046&highlight= Ammonia Synthesis Process Technology Exchange Area【Daily Question 2009-03-04】 http://bbs.hcbbs.com/viewthread.php?tid=406444&highlight= Ammonia Synthesis Process Technology Exchange Area【Daily Question 2009-03-05】 How to protect the catalyst during maintenance work in the shift conversion unit? http://bbs.hcbbs.com/viewthread.php?tid=406990&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-06] What are the differences between various blowers? 1. Gas generation blower 2. Boiler exhaust and intake blower 3. Desulfurization Roots blower http://bbs.hcbbs.com/viewthread.php?tid=407605&highlight= Synthetic ammonia process technology exchange area [Daily question 2009-03-07] How to protect the catalyst during short-term shutdown and hot work in the ammonia synthesis tower? http://bbs.hcbbs.com/viewthread.php?tid=409233&highlight= Synthesis Ammonia Process Technology Exchange Area【Daily Question 2009-03-08】 Today is International Working Women’s Day; let’s discuss a question: In what positions are the female workers in your company employed? http://bbs.hcbbs.com/viewthread.php?tid=409726&highlight= Synthesis of Ammonia Process Technology Exchange Area [Daily Question 2009-03-09] How to control the crystal growth rate during the carbonization process? http://bbs.hcbbs.com/viewthread.php?tid=410038&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-10] How does your company recover waste heat and improve the utilization of thermal energy? http://bbs.hcbbs.com/viewthread.php?tid=411164&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-11] What is a heat pipe, and is it used in your synthesis ammonia production? http://bbs.hcbbs.com/viewthread.php?tid=413608&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-12] How is TH-847 coating used in the small nitrogen fertilizer industry? http://bbs.hcbbs.com/viewthread.php?tid=413679&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-13] Phenomena of copper liquid in the ammonia synthesis tower, as well as methods for diagnosis and treatment http://bbs.hcbbs.com/viewthread.php?tid=414000&highlight= Synthesis Ammonia Process Technology Exchange Area [Daily Question 2009-03-14] Diagnosis, treatment, and coordination regarding the shutdown of heat pumps used in the conversion process? http://bbs.hcbbs.com/viewthread.php?tid=414001&highlight= Synthetic Ammonia Process Technology Exchange Area [Daily Question 2009-03-15] Please discuss the size, production capacity, internal structure, and process of the ammonia tower you use http://bbs.hcbbs.com/viewthread.php?tid=414002&highlight= This post was last edited by jyr on 2009-3-13 11:08 ]