English — Forum #647 (Page 25/34)

1. With another 23+14 performance, the tower-led team achieved 4 consecutive wins; they have now reached the threshold for the playoffs - HCBBS Forum
2. Distillation column flooding - HCBBS Forum
3. Excuse me, the washing tower is located outdoors, and there is a liquefied gas cylinder nearby. Will this cylinder affect the designation of the explosion-proof area? - HCBBS Forum
4. Catalytic refining oxidation tower - HCBBS Forum
5. Verification of the sw6 tower equipment skirt base - HCBBS Forum
6. I need an assembly diagram for a flue gas desulfurization tower - HCBBS Forum
7. The pressure difference between the bottom and top of the distillation tower is 0.2 MPa, but the tower is not flooded; the level gauge confirms that everything is normal. - HCBBS Forum
8. What is the relationship between tower pressure and liquid level during hot oil transfer? - HCBBS Forum
9. Basic knowledge of distillation columns - HCBBS Forum
10. Question: Gas flow velocity inside the tower - HCBBS Forum
11. Collection of examples on fluid dynamics design of towers: bulk, structured, and plate-type types; continuously being updated - HCBBS Forum
12. Absorption tower civil construction level seismic force and wind load - HCBBS Forum
13. Service life of the vinyl chloride high-boiling tower - HCBBS Forum
14. Extraction distillation tower - HCBBS Forum
15. How to calculate the steam feed distribution pipe for a tower? - HCBBS Forum
16. Heating steam and condensate issues in the bottom of a distillation tower or rectifier - HCBBS Forum
17. Seeking advice on corrosion in vacuum distillation towers - HCBBS Forum
18. Why is the plate spacing at the liquid seal tray of a distillation column larger than the normal plate spacing? - HCBBS Forum
19. Problems associated with the installation of large thin-walled stainless steel towers - HCBBS Forum
20. At atmospheric pressure, reflux is used; what are the conditions for determining the tower top pressure and the yield of fusel oil? - HCBBS Forum
21. Why is the water separation in the overhead liquefied gas tank frequent in light hydrocarbon recovery? - HCBBS Forum
22. Analysis of the reasons for high steam consumption in distillation towers - HCBBS Forum
23. The pressure tower requires continuous nitrogen supply to reach the operating pressure - HCBBS Forum
24. Benzene tower fluctuations - HCBBS Forum
25. The working principle of the drying tower, the working principle of the absorption tower - HCBBS Forum
26. There was a leak in the reflux extraction tray of Distillation Column 2, which caused the final temperature of heat exchange for crude oil to drop. Why? - HCBBS Forum
27. Washing tower problems - HCBBS Forum
28. Why is the pressure in the reflux tank of the vapor phase unit higher than the tower pressure? - HCBBS Forum
29. In low-temperature methanol washing, there is pressurized nitrogen at the top of the thermal regeneration tower. What is the function of this pressurized nitrogen? When to use it? - HCBBS Forum
30. Seek equipment drawings for copper scrubber in ammonia synthesis - HCBBS Forum
31. The distillation tower selects a thermosyphon reboiler - HCBBS Forum
32. What is the significance of the pressure differences across various columns in low-temperature methanol washing for operation? What can be determined from the pressure difference? - HCBBS Forum
33. What start-up and shutdown pipelines are required to facilitate the commissioning of a distillation tower? - HCBBS Forum
34. Should a safety valve be installed when the operating pressure at the top of the vacuum tower is less than 0.03 MPa (gauge)? - HCBBS Forum
35. I urgently need a PFD for the methanol three-column distillation process - HCBBS Forum
36. Over-dimensional transportation of tower equipment - HCBBS Forum
37. C053 Distillation Process Simulation and Column Design - HCBBS Forum
38. Does anyone have a CAD diagram of a stripping tower that they could give to me? - HCBBS Forum
39. Desulfurization tower design - HCBBS Forum
40. Has anyone converted the water used in the gas generation and desulfurization processes from an open-type cooling tower to a closed-type one? - HCBBS Forum
41. Circulating water cooling tower - HCBBS Forum
42. Tower that is thicker at the top and thinner at the bottom - HCBBS Forum
43. What material is used for the reboiler in the lean amine liquid regeneration tower? - HCBBS Forum
44. Seeking domestic manufacturers for the design and production of distillation towers - HCBBS Forum
45. This post can be deleted, thank you - HCBBS Forum
46. What is the specific process for the three external circulation paths in the fractionation tower during the start-up of catalytic cracking? Thank you! - HCBBS Forum
47. Aspen HYSYS Dynamics simulation of distillation columns - HCBBS Forum
48. Aspen absorber simulation problem - HCBBS Forum
49. The reflux temperature at the top of the tower is higher than the temperature at the top of the tower - HCBBS Forum
50. Distillation column operation - HCBBS Forum
51. Who knows which facility uses ultrasonic devices to measure the foam thickness in its desulfurization regeneration towers? And what is the effectiveness of these devices? Thank you! - HCBBS Forum
52. Diameter of adsorption tower - HCBBS Forum
53. How to calculate the projected area of the operating platform for tower equipment - HCBBS Forum
54. Insulation layer for tower equipment - HCBBS Forum
55. What type of packing is suitable for small distillation columns with a height of 10~30 cm? - HCBBS Forum
56. Salt formation in catalytic absorption towers - HCBBS Forum
57. Total hydrocarbon content in the liquid oxygen from the main cooling unit of the air separation tower - HCBBS Forum
58. Are 2 vacuum towers required for the atmospheric and vacuum distillation unit with a capacity of 15 million tons per year? - HCBBS Forum
59. Fluctuations in the pressure at the top of the distillation column - HCBBS Forum
60. How to recover the acidic water from the stripping tower in the dry gas hydrogen production unit - HCBBS Forum
61. If the methanol-ammonia content in low-temperature methanol washing is too high, what causes the sulfur content at the top of the absorption tower to be excessive? - HCBBS Forum
62. The distillation tower is equipped with an evaporation cooling coil - HCBBS Forum
63. How to choose the right cooling tower - HCBBS Forum
64. Which is better for ammonia removal, a plate tower or a packed tower? What is the difference in cost? - HCBBS Forum
65. In the specification notation for tower equipment, Ф250×11200 (T.L): what does (T.L) mean? - HCBBS Forum
66. For materials that tend to form scale and contain solid suspensions, what type of tray is most suitable? - HCBBS Forum
67. Equipment towers are dozens of meters tall – how are they secured, and how do they withstand wind loads? - HCBBS Forum
68. Parameters of safety valves for vacuum towers - HCBBS Forum
69. In summer, the temperature of the acid in the upper part of the dryer is high - HCBBS Forum
70. Low-boiling tower feed temperature - HCBBS Forum
71. Which level gauges in the refinery units, such as tanks or towers, require sealed discharge? - HCBBS Forum
72. Submerged feed to reflux tank of distillation tower - HCBBS Forum
73. The resin in the chlor-alkali chelation resin tower has been dry for a year or two – can it still be used? Why? . . - HCBBS Forum
74. Issues with using scaffolding inside the automatic bottom cover machine tower for inspection - HCBBS Forum
75. Flue gas wet desulfurization scrubber tower - HCBBS Forum
76. Application scope of closed-type cooling towers - HCBBS Forum
77. Questions about the pressure difference in distillation columns - HCBBS Forum
78. What’s the situation with the old purge tower in the dry gas tower? - HCBBS Forum
79. In the HYSYS simulation of triethylene glycol dehydration, the temperature of the lean liquid exiting the regeneration tower is higher than the set reboiler temperature. - HCBBS Forum
80. There is a high proportion of heavy components at the top of the distillation tower; I seek advice from experts - HCBBS Forum
81. I would like to ask everyone: how to convert the recovery rate and filling ratio in PSA nitrogen production, and how to choose an adsorption tower? - HCBBS Forum
82. Energy saving through pressure reduction in distillation towers - HCBBS Forum
83. What is the purpose of the methanol overflow at the top of the low-temperature methanol wash recovery tower? What should its liquid level be at normal times? - HCBBS Forum
84. Effect of feed temperature variations on AspenPlus distillation column simulation results - HCBBS Forum
85. 【Daily Question】Chemical Engineering Principles 575: Packed Absorption Tower (June 23) - HCBBS Forum
86. How to operate when the stabilizer tower is at full capacity for a long time - HCBBS Forum
87. What kind of supports should be used for a DN300 tower? - HCBBS Forum
88. MTBE extraction column packing type - HCBBS Forum
89. Reactor bottom level gauge - HCBBS Forum
90. Bundesliga – Dortmund draws with Hertha; bottom team records 3 consecutive wins - HCBBS Forum
91. How to prevent scarring on the inner wall of a urine-based high tower - HCBBS Forum
92. How does liquefied gas transition between gas and liquid states in the desulfurization tower? - HCBBS Forum
93. On the liquid-to-gas ratio in packed towers - HCBBS Forum
94. Regarding the serious quality issues with the internal components of the ammonia synthesis tower at Nanjing Guochang in Changzi Danfeng Chemical - HCBBS Forum
95. Xylene bottom reboiler - HCBBS Forum
96. Selection of bolt materials for low-temperature high-pressure towers - HCBBS Forum
97. Extraction column design - HCBBS Forum
98. Is anyone’s absorption tower clogged? - HCBBS Forum
99. Problems with wash tower packing - HCBBS Forum
100. Can spray-type cooling towers be used to cool exhaust gases after combustion with water? - HCBBS Forum