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1. Startup plan for ammonia synthesis plant after major maintenance 2. Commissioning plan for φ1400 synthesis system 3. Startup process for the conversion unit in a Kelllogg-process ammonia synthesis plant 4. Technical documents for installing and commissioning the internals of a DN1200 synthesis tower 5. Purging of the synthesis section 6. Original startup purging plan for the conversion unit 7. Purging steps for the original startup of the ammonia synthesis unit 8. Practices for rapid startup of large-scale ammonia synthesis plants 9. Startup plans developed by our factory for shared use 10. How do you organize the initial startup procedures for fertilizer production? 11. Interlocking commissioning plan during the original startup of ammonia synthesis 12. Original startup purging plan for the conversion unit 13. Purging and flushing plans for the initial startup of crude gas conversion 14. Summary of the operation of the raw material gas purification and ammonia synthesis systems in the “36•60” Phase I project 15. Introduction to the startup of China Shell’s gasification plant and corresponding countermeasures 16. Normal startup procedures for the copper washing section 17. Conditions required for the startup of the purification section 18. Conditions for starting up an ammonia synthesis plant 19. Original startup plan for the conversion unit – large reward available 20. Original startup plan for the synthesis tower – large reward available 21. Purging steps for the original startup of the ammonia synthesis unit 22. Issues related to ammonia charging at the initial stage of ammonia synthesis system startup 23. Source of hydrogen for the initial startup of an ammonia synthesis plant using natural gas 24. Ammonia synthesis process: What precautions should be taken during the startup of the conversion section, and why? 25. Issues related to transferring liquids during ammonia synthesis startup 26. Discussion on the steps for thoroughly purging the system during initial startup 27. Seeking original startup plans for ammonia synthesis plants 28. Purging and flushing plans for the initial startup of crude gas conversion 29. Large pressure fluctuations in the deoxygenation tank during the initial startup phase: 0–0.9 KG? Is the water volume stable at 30 tons? What’s the reason? What are the solutions? 30. Effects on the start-up process if the parameters of the compressor’s main steam do not meet the specified requirements. 31. Original data for the start-up of ammonia synthesis plants – please provide. 32. Gradual heating up of the ammonia synthesis tower during start-up? 33. What are the normal startup steps for a Roots blower? 34. Several issues regarding the initial startup of driving 1 2 35. Problems in the early stages of driving 36. How many steps are there in total for starting up fertilizer or synthetic ammonia plants? 37. Use of the water heater when starting up the synthesis tower 38. How to calculate the amount of methanol required for the initial startup of low-temperature methanol washing? 39. Startup plan for ammonia synthesis 40. Starting up ammonia synthesis 41. Why is it necessary to heat the boiler before starting up the synthesis system? 42. Electric furnace for starting up a 1.2-meter-high synthesis tower 43. How to increase the CH4 content during the startup process of the synthesis tower 44. How to increase the copper ratio during the startup of the refining unit 45. Startup of a domestically produced nitric acid plant with a daily production capacity of 500 T 46. When should the recycle gas compressor be started up? 47. Issues related to the recovery of emissions during ammonia synthesis startup 1 2 48. Problems associated with starting up the first-stage furnace in ammonia synthesis 49. Causes of air blockages in cooling water pipes during startup and preventive measures 50. When should the important interlocks be activated during startup? 1 2 The last edit of this post was made by Huang Xinhui on 2009-3-17 at 22:53 ]