English — Forum #647 (Page 2/34)

1. Questions regarding the calculation of lateral wind vibration in tall, oscillating towers - HCBBS Forum
2. Asking for help from experts, we use a float bucket with a measuring range of 1.6M for the third line of the pressure reduction tower, but it doesn’t change much. - HCBBS Forum
3. How to deal with severe water contamination in crude oil entering the tower? - HCBBS Forum
4. Backflow tower blockage - HCBBS Forum
5. Successful one-time lifting of the 2# propylene tower, a unit over 1,000 tons in size, for the Gulei refining and chemical integration project - HCBBS Forum
6. Why does the tower pressure fluctuate in the absorption stabilization system? - HCBBS Forum
7. The hoisting of the nitrogen stripping tower for the methanol purification unit in the second phase of the Yanchang Jingbian project of Shaanxi Yanchang China Coal Yulin Energy Chemical was completed - HCBBS Forum
8. Why is the temperature of the liquid phase in the upper layer of a atmospheric pressure column higher than the temperature of the gas phase in the lower layer? - HCBBS Forum
9. Olefin separation and demethanization tower for methanol to olefins process - HCBBS Forum
10. (Repost) Two workers in Jiangsu injured by electric shock while repairing a power tower; one died from burns - HCBBS Forum
11. Relationship between the external cooler temperature and the bottom temperature of the first absorption tower - HCBBS Forum
12. Problem of hot tightening of the methanol tower flange under pressure - HCBBS Forum
13. Commissioning of the ethylene distillation tower and ethylene circulation system - HCBBS Forum
14. Gas selection for bisphenol A granulation tower - HCBBS Forum
15. Gas flow rate of the tower - HCBBS Forum
16. Regarding the materials for distillation columns - HCBBS Forum
17. I’d like to ask the experts: is there any device that can directly allocate the steam volume at the top of a distillation tower? - HCBBS Forum
18. Frequently asked questions and case studies during distillation operations - HCBBS Forum
19. Questions regarding the hydraulic testing of tower equipment - HCBBS Forum
20. Alkali scrubber nozzle - HCBBS Forum
21. Calculation of the outlet flow rate of the gas absorption tower - HCBBS Forum
22. What happens if the inlet temperature of a absorption tower is above 300 degrees Celsius? - HCBBS Forum
23. Pipeline between fractionating tower and stripping tower - HCBBS Forum
24. Sending two tower units to Inner Mongolia today - HCBBS Forum
25. How to deal with internal blockages in the methanol/water separation tower of low-temperature methanol washing? - HCBBS Forum
26. For a tower with gas-liquid mixing, is normal pressure considered to be that of a normal-pressure storage tank? - HCBBS Forum
27. Gas washing at the top of the ammonia vaporization tower - HCBBS Forum
28. Design issues of packed towers in Aspen - HCBBS Forum
29. Difference between the reflux extraction temperature and the refeeding temperature in each section of the catalytic unit’s distillation column - HCBBS Forum
30. Tower Equipment Solutions - HCBBS Forum
31. Unstable extraction in the vacuum tower - HCBBS Forum
32. In the coal-to-methanol process, what are the pressure in the methanol wash tower, the carbon dioxide level at the tower top, and the temperature of the lean methanol? - HCBBS Forum
33. How are the process parameters of a distillation tower adjusted automatically? - HCBBS Forum
34. Gasoline pre-fractionation tower, National V standard - HCBBS Forum
35. What type of pressure transmitter is used in vacuum distillation towers? - HCBBS Forum
36. The service life of tower cranes is reduced by another 5 years, and even more so for elevators! - HCBBS Forum
37. How to maintain and service cooling towers - HCBBS Forum
38. What material is good for the filter screen at the bottom of the tower? - HCBBS Forum
39. What type of level gauge is used for easily crystallizing towers? - HCBBS Forum
40. All three giants record 20+ points; Warriors secure first win; Twin Towers score 70+30, but Pelicans suffer second consecutive loss - HCBBS Forum
41. Cooling spray tower - HCBBS Forum
42. Equilibrium in the air separation tower - HCBBS Forum
43. Regarding the control of diesel flash point in diesel stripping towers - HCBBS Forum
44. Refrigeration tower bottom vapor control valve - HCBBS Forum
45. distillation - HCBBS Forum
46. Heat recovery of air at the compressor outlet before it enters the air cooling tower. - HCBBS Forum
47. Premier League – Costa scores, Petit assists; Chelsea wins 3-0 and takes a 7-point lead - HCBBS Forum
48. How is heat and static electricity conducted within a packed tower (with steel lining and plastic coating)? Are there any good solutions? - HCBBS Forum
49. When the feedstock becomes lighter, the bottom temperature of our distillation tower decreases, while the top temperature increases. But why does the acidic gas at the top of the reflux tank at the tower top decrease? And as the raw material becomes heavier, the bottom temperature increases while the top temperature decreases; as a result, the amount of acidic water at the top of the reflux tank increases. I would like to ask the experts: why is it acidic? - HCBBS Forum
50. Requirements for the design, manufacture, and installation of methanol distillation towers - HCBBS Forum
51. What’s the reason why SW6 cannot be calculated when the skirt and cylinder are integrated? - HCBBS Forum
52. How to deal with blockages in the bottom product draw of the formaldehyde stripping tower - HCBBS Forum
53. Design of external steel structure for a tower with a diameter of 1600 - HCBBS Forum
54. Distillation column； Distillation experiment - HCBBS Forum
55. Regarding the issue of fluctuations in the catalytic desorption tower - HCBBS Forum
56. Clear liquid layer height in aspen tray check customization options - HCBBS Forum
57. How is the mass of the material inside a distillation packed tower calculated? - HCBBS Forum
58. In cryogenic air separation, the liquid level in the middle of the air cooling tower does not rise; instead, it shows a downward trend. If water is added, the resistance of the air cooling tower increases, and the liquid level still does not rise. To reduce the liquid level in the middle, it is necessary to first lower the resistance. Then lower the liquid level, close the drain valve, and the liquid level in the middle will rise quickly. Half an hour later - HCBBS Forum
59. We handle 800,000 tons of diesel hydroprocessing; when operating normally, the reflux tank at the top of the desulfurization tower is always full. Following technical upgrades, a line was added to send naphtha to the tank area, but the tanks there are external floating-roof tanks equipped with breather valves, which allows hydrogen sulfide to escape easily. in detail - HCBBS Forum
60. Seeking help with tower design drawings - HCBBS Forum
61. Solving the technical issues related to high-tower products of nitro compound fertilizers in the entire product line - HCBBS Forum
62. What should be used as a level gauge for vacuum distillation towers? - HCBBS Forum
63. Questions regarding distillation column pilot tests - HCBBS Forum
64. stripper trays - HCBBS Forum
65. What is the purpose of installing a vapor line at the top of the catalytic feed tank to connect it to the distillation tower? - HCBBS Forum
66. Does an increased feed rate to the isobutane removal column affect the purification at the top of the column? (Alkylation unit) - HCBBS Forum
67. I need help understanding the relationship between the size of the concentration line in the low-temperature methanol wash regeneration tower and the temperature of the sulfur recovery furnace - HCBBS Forum
68. What causes the temperature at the top of the pre-tower to be higher than the temperature of the feed plate? - HCBBS Forum
69. Pipeline at the bottom of the reflux tank in the distillation column - HCBBS Forum
70. Selection of material standards for tower internals - HCBBS Forum
71. Is it feasible to incorporate sludge and dross into the coke tower? - HCBBS Forum
72. The catalysis increases the water vapor content and reduces the oil and gas partial pressures, but the total pressure in the distillation tower remains unchanged - HCBBS Forum
73. Spray tower deodorization circulating liquid tank - HCBBS Forum
74. [Discussion Thread 34] Questions and doubts regarding the non-compressed components of tower vessels. - HCBBS Forum
75. Accident discussion: What consequences can a leak in the differential pressure level gauge of a stripping tower cause? - HCBBS Forum
76. Seeking help: Issue with ammonia injection volume at the top of the pressure reduction tower - HCBBS Forum
77. How to deal with C4 in the extraction water of MTBE extraction tower - HCBBS Forum
78. Permanent magnet speed control is used in cooling towers - HCBBS Forum
79. Liquid level fault in air separation water cooling tower - HCBBS Forum
80. Discharge from the ammonia purification tower - HCBBS Forum
81. Regarding the methanol water distillation tower - HCBBS Forum
82. What are the requirements for the design of the safety inlet pipeline for the tower top valve? - HCBBS Forum
83. Calculation of axial stability for towers - HCBBS Forum
84. Request the equipment condition diagram for the spray drying tower - HCBBS Forum
85. Discussion on the issues with alkali scrubbers in the coal-to-olefins industry - HCBBS Forum
86. Is there a flow deviation in the return pipe at the top of the water cooling tower, causing no water to flow out from one of the pipes? - HCBBS Forum
87. 【Discussion thread 38】: What should we pay attention to when setting up and designing tower top hanging columns? - HCBBS Forum
88. Catalytic fractionation tower - HCBBS Forum
89. Simulation of catalyzed absorption towers - HCBBS Forum
90. Liquid from the refined argon tower - HCBBS Forum
91. How to improve the methanol yield in the three-column distillation process using the double-effect method for methanol production - HCBBS Forum
92. Discussion on the riser pressure drop of FCC-III gasoline in catalytic cracking, pressure drop in the secondary settler, and pressure drop in the secondary fractionator. - HCBBS Forum
93. Methanol absorption tower absorbs DMO - HCBBS Forum
94. Shentao scores 16+15 points and 4 rebounds! The Miracle Team has 8 players in the game, 7 of whom score double figures, achieving 6 consecutive wins - HCBBS Forum
95. Sensitivity analysis of plate number and feed plate - HCBBS Forum
96. Selection of materials for anti-corrosion in coking desulfurization towers - HCBBS Forum
97. decompression tower - HCBBS Forum
98. Problems with the height of the straight pipe section from the outlet of the distillation tower to the condenser - HCBBS Forum
99. External reboiler in distillation column simulation - HCBBS Forum
100. The tower is equipped with packing; is there a requirement for the packing height? - HCBBS Forum