English — Forum #647 (Page 12/34)

1. How can the instrument control of a distillation tower be made more stable? - HCBBS Forum
2. Air-cooled tower safety valve - HCBBS Forum
3. Frequent fluctuations in the argon column - HCBBS Forum
4. Design and verification of the aspen10.0 tower - HCBBS Forum
5. Reconstruction of the trays in the solvent regeneration tower - HCBBS Forum
6. The octane vapor pressure at the bottom of the alkylation butane removal column is above 70; the initial boiling point is 34–35; the density is around 0.88 to 0.687. I hope experts can provide some guidance - HCBBS Forum
7. Selection of liquid level gauge for negative pressure distillation tower - HCBBS Forum
8. Questions regarding the safe disassembly of distillation towers - HCBBS Forum
9. Installation plan for tower internals - HCBBS Forum
10. Why is the first stage of the vacuum extraction system at the top of the pressure reduction tower called a booster? - HCBBS Forum
11. In which part of tower equipment is this gasket used? - HCBBS Forum
12. How are the void space velocity for flooding and the void space velocity for liquid leakage in a sieve tray tower calculated? - HCBBS Forum
13. The inner steel lining of the tower section of an alkali washing tower was peeled off and the tower section wall was bulging. - HCBBS Forum
14. The 550T atmospheric pressure tower of the atmospheric and vacuum device of the Zhejiang Petrochemical Project is hoisted into place - HCBBS Forum
15. Hydrogen sulfide absorption tower - HCBBS Forum
16. Preheating of the coker tower in delayed coking - HCBBS Forum
17. What should be taken into account when commissioning and operating enamel-lined equipment and towers? Especially in terms of porcelain cracking - HCBBS Forum
18. What is a tower bottom? What is the relationship between the pot temperature and the others? - HCBBS Forum
19. I have listed some tower parameters. If you think they are inappropriate, please give me your comments. - HCBBS Forum
20. Adjustment of chilled water and cooling water in air-cooled towers - HCBBS Forum
21. How to deal with salt deposition in the gas inlet pipe of the accident chlorine tower - HCBBS Forum
22. The methanol synthesis tower for Ningxia Baofeng Energy’s 600,000 tons/year olefin project was successfully shipped from Dongguo Deyang - HCBBS Forum
23. The temperature of the reflux gas from the constant-pressure reboiler to the stripping tower fluctuates and cannot be stabilized! Seeking help from friends in Sichuan - HCBBS Forum
24. Carbon deposition issue in quench towers - HCBBS Forum
25. Question regarding the solvent absorption rate of spray towers - HCBBS Forum
26. With both towers out of service, Philadelphia’s entire population steps in! Champion’s blessing boosts Talent Army to 11 consecutive wins - HCBBS Forum
27. Calculation sheet for absorption tower - HCBBS Forum
28. Selection of process parameters for tower equipment, classification, modification – comprehensive issues - HCBBS Forum
29. Please tell me how to maintain the fan belt in the cooling tower? ! It keeps beating and slips and wears out quickly! (Supplementary picture) - HCBBS Forum
30. The issue of hydrogen content in the overhead gas of the gasoline hydrodesulfurization fractionator - HCBBS Forum
31. Float valve tower section - HCBBS Forum
32. The lubricating oil is refined using furfural; why isn’t the flash tower for the extract operated under negative pressure? - HCBBS Forum
33. Installation plan for tower internals - HCBBS Forum
34. Why is the safety valve on the outlet pipeline after ammonia washing in the ammonia washing tower located at the bottom of the pipeline? - HCBBS Forum
35. The Tianchen General Contracting project at Guangxi Huayi held a meeting to kick off the construction of the super-high tower structure - HCBBS Forum
36. In the vapor pre-distillation tower, why isn’t light gasoline drawn directly from the outlet of the reflux pump? And to extract it separately from the upper part of the tower, does a water cooling system need to be installed? - HCBBS Forum
37. In the ammonia purification of wastewater gases, the temperature control in the concentrated ammonia wash tower is kept below 30°C; as a result, the circulation pump becomes evacuated and the concentration of liquid ammonia exceeds the specified limits. - HCBBS Forum
38. Regarding the problem of the bubble pump after Air Liquide removes the upper tower throttle valve - HCBBS Forum
39. Everyone, could you help me figure out what the two diagonal lines in the drawing mean? - HCBBS Forum
40. What are the factors that affect the operational flexibility of a distillation column? - HCBBS Forum
41. Reasons for excessive hydrogen sulfide levels in the dry gas desulfurization tower - HCBBS Forum
42. Seeking help regarding distillation column trays - HCBBS Forum
43. How to adjust the pressure in the absorption tower - HCBBS Forum
44. sw6 tower win10 floating point overflow – the solution provided by the software site - HCBBS Forum
45. Absorption rate of the absorption tower - HCBBS Forum
46. , - HCBBS Forum
47. Is it necessary to account for the hydrostatic pressure of the liquid column when reinforcing the openings in tower nozzles? - HCBBS Forum
48. Tower Internal Components Installation Plan.doc - HCBBS Forum
49. Regarding the issue with a line on the condensate tank at the bottom of the acidic water stripping tower - HCBBS Forum
50. What is the typical air outlet temperature of an air-cooled tower? - HCBBS Forum
51. Selection issue for scrubber towers - HCBBS Forum
52. Oil in the dry gas stream of the catalytic reabsorption tower - HCBBS Forum
53. Treatment of exhaust gases generated by the spray tower - HCBBS Forum
54. The stripping tower, the largest and heaviest equipment in the Zhejiang petrochemical project, has been successfully hoisted into place - HCBBS Forum
55. Process optimization in the first column of the catalytic unit - HCBBS Forum
56. How to select a vacuum pump for a 100L distillation tower - HCBBS Forum
57. Stabilizer tower feed - HCBBS Forum
58. The bottom temperature of the solvent regeneration tower won’t rise – what’s going on? - HCBBS Forum
59. Verification of packed towers - HCBBS Forum
60. What factors need to be considered when converting the two reboilers in a distillation tower into one? - HCBBS Forum
61. Seeking expert assistance in calculating the process parameters for using secondary nozzles and tower-based spray systems to absorb SO2 and H2SO4 from exhaust gases - HCBBS Forum
62. May I ask about a pilot plant setup: since there are 2 columns, 6 kg of steam is required - HCBBS Forum
63. PP polyhedral ball filler – plastic hollow polyhedral balls for scrubbers - HCBBS Forum
64. Regarding the issue of ammonia content at the inlet of the synthesis tower - HCBBS Forum
65. Material selection for the distillation and purification of dichloroethane produced by ethylene oxychlorination (four-column process) - HCBBS Forum
66. Feed weight to the pre-hydrogenation fractionator in continuous reforming - HCBBS Forum
67. Why is it better to use a pre-hydrogenation stripping tower along with pre-vulcanization? - HCBBS Forum
68. Catalytic stabilizer pressure - HCBBS Forum
69. Distillation tower throughput - HCBBS Forum
70. Distillation column reflux calculation - HCBBS Forum
71. Regarding the desulfurization towers used in flue gas desulfurization, which standards do everyone refer to? - HCBBS Forum
72. There’s a gurgling sound at the bottom of the vacuum tower; there’s no liquid level in stage 4! - HCBBS Forum
73. I would like to ask what causes the vapor phase in the distillation tower not to rise - HCBBS Forum
74. When using Aspen to simulate the alkali scrubber, warnings appear – how to adjust this? - HCBBS Forum
75. Gear failure in the cooling tower fan reduction gearbox - HCBBS Forum
76. I need a drawing or image of the internal structure of a vacuum distillation tower - HCBBS Forum
77. Looking for manufacturers of coke towers and waste heat boilers - HCBBS Forum
78. Do all cooling towers have collection tanks? Is a collection tank the same as a water catch basin? - HCBBS Forum
79. Zhongke Refining's "largest diameter" tower enters the site - HCBBS Forum
80. Lifting of the tallest tower in Zhejiang Petrochemical’s refining-integrated complex - HCBBS Forum
81. As the weather temperature rises and the pressure at the top of the stabilizer tower increases, is there any good way to address this issue? - HCBBS Forum
82. What is the function of the partition section in the bottom of the methanol thermal regeneration tower? - HCBBS Forum
83. Methods for removing scaling from ammonia vaporization towers - HCBBS Forum
84. A story about the origin of \"measures to prevent lateral wind resonance in towers\" - HCBBS Forum
85. [Discussion Thread 53] Structure and function of the spiral turbulators installed in tower-type containers - HCBBS Forum
86. Atmospheric and vacuum distillation units, negative pressure issues in vacuum towers - HCBBS Forum
87. Sensitivity analysis of the reflux ratio in distillation column design - HCBBS Forum
88. Technical discussion on blizzard filling tower - HCBBS Forum
89. Why is there negative pressure at the top of the light and heavy gasoline separation tower? - HCBBS Forum
90. What are good methods for dust removal in coke quenching towers? - HCBBS Forum
91. When is it necessary to design pressure balance lines and non-condensable gas lines at the top of a distillation tower? Are there any relevant standards? - HCBBS Forum
92. Is it necessary to relieve pressure when the liquid from the pressurized reboiler in double-effect distillation enters the atmospheric-pressure column? - HCBBS Forum
93. Operational analysis of the reabsorption tower - HCBBS Forum
94. What is the negative pressure that a tower made of Q345R material can withstand? - HCBBS Forum
95. Pumping method using a magnetic pump in a negative pressure tower - HCBBS Forum
96. Coking slag is routed to the bottom of the distillation tower - HCBBS Forum
97. What does a high pressure in the upper column of the internal compression air separation unit at Hangyang Oxygen indicate? - HCBBS Forum
98. Calculation and verification of plate-type lugs on the upper side wall of the tower - HCBBS Forum
99. Fractionating tower - HCBBS Forum
100. In diesel hydrogenation, is the flash point of refined diesel related to the bottom temperature of the fractionation tower? - HCBBS Forum