English — Forum #337 (Page 151/163)

1. Heat of reaction in catalytic fluidized bed - HCBBS Forum
2. Is it possible to insert or remove certain accessories, such as sensor probes, from a pipeline that is under pressure without disrupting its normal operation (without shutting down the system)? - HCBBS Forum
3. Are there any distance requirements between a closed-flame torch and roads as well as pipe racks? How to consider the influence of thermal radiation over distance? - HCBBS Forum
4. Regarding the sealing of flammable gases - HCBBS Forum
5. Why does the specification state that \"reinforcing plates should not be used on the legs at elbows, and reinforcing plates should be avoided on legs of other types\"? - HCBBS Forum
6. Calculation of the bubble point of a methanol and ethylene glycol mixture - HCBBS Forum
7. [Weekly Image] Catalytic Coking Reformate Blending Version (Fourth Image of April 2017) - HCBBS Forum
8. Is a vaporizer needed for Dewar flask exports? - HCBBS Forum
9. Design a condensate recovery system for 6 kg of steam - HCBBS Forum
10. I have a question: if work is accelerated on an environmental protection project, should the construction, the equipment foundations, or the water tanks be done first? ? - HCBBS Forum
11. Direct hydrocyanation of butadiene to adiponitrile - HCBBS Forum
12. Heat exchanger - HCBBS Forum
13. Regarding the kdon13000/15000 air separation process diagram - HCBBS Forum
14. Is the stainless steel category FE8 or FE4? - HCBBS Forum
15. Epichlorohydrin - HCBBS Forum
16. 【Weekly Topic】【Civil Engineering Version 20170420】 - HCBBS Forum
17. 【Daily Topic】【HVAC Version 20170320】 - HCBBS Forum
18. Is insulation only required for the inlet pipeline of reciprocating compressors? Isn’t a centrifugal one needed? - HCBBS Forum
19. Has the process of producing propylene carbonate via urea hydrolysis been industrialized in China? - HCBBS Forum
20. Seek Sinopec documents - HCBBS Forum
21. 【Process Discussion】Precautions for Cooling Concentrated Sulfuric Acid - HCBBS Forum
22. In air separation, why is it strictly prohibited to have grease in oxygen pipelines? - HCBBS Forum
23. 【Daily Topic】【HVAC Version 20170308】 - HCBBS Forum
24. Request a process flow diagram for the production of chlorobenzene - HCBBS Forum
25. Are there catalytic flue gas desulfurization units that use dry slag filters? - HCBBS Forum
26. There are questions regarding the calculation of dust collectors - HCBBS Forum
27. Causal graph - HCBBS Forum
28. Can hydrogen peroxide be stored in aluminum tanks? - HCBBS Forum
29. Labyrinthine paths, how to describe them? - HCBBS Forum
30. 【Daily Topic】【Storage and Transportation Edition 20170601】 - HCBBS Forum
31. How to handle the oil and gas generated during the unloading of crude oil - HCBBS Forum
32. Labsorb flue gas desulfurization process - HCBBS Forum
33. The issue of the baffle notch direction in HTRI - HCBBS Forum
34. How to mix raw material tanks evenly - HCBBS Forum
35. How do everyone else set the requirements for equipment bidding? - HCBBS Forum
36. Thermosensitive solution - HCBBS Forum
37. Synthetic ammonia, hydrogen compressor, when removing water from the discharge separator - HCBBS Forum
38. Flue gas components before desulfurization and denitration in power plants - HCBBS Forum
39. Solve - HCBBS Forum
40. Is a steam temperature and pressure reduction device necessary? - HCBBS Forum
41. Will the flow rate differ if one fan draws air from 2 ducts? ! - HCBBS Forum
42. How deep are circulating water ponds usually dug? - HCBBS Forum
43. May I ask how drawings should be divided into volumes and books when they are produced? Are there any standards for this? ? - HCBBS Forum
44. Self-controlled return valve - HCBBS Forum
45. Light oil-based hydrocyanic acid production technology! - HCBBS Forum
46. Must the condensate discharge flow in the same direction as the steam? Can it flow in reverse? ? - HCBBS Forum
47. Is concentrated sulfuric acid considered a pressure pipeline? Which category should it be assigned to? ? - HCBBS Forum
48. Is it better to control the heat exchanger using steam or condensate water? - HCBBS Forum
49. 【Daily Topic】【HVAC Version 20170510】 - HCBBS Forum
50. Issues regarding flash point and explosion limit in GB50058 - HCBBS Forum
51. Epichlorohydrin - HCBBS Forum
52. Is there any regulation specifying how tall a tank must be to require a straight ladder? ? - HCBBS Forum
53. 【Help needed】Flocculant - HCBBS Forum
54. What could be the reasons for the excessive formation of by-products in the desulfurization solution? - HCBBS Forum
55. People need to protect themselves from the heat, and chain hoists are also sensitive to heat - HCBBS Forum
56. Dear experts, could someone provide a book related to process design? - HCBBS Forum
57. The issue of the reactive distillation feed position - HCBBS Forum
58. Please give me some advice on how to adjust the color of coal-to-liquid diesel. - HCBBS Forum
59. Valve installation for the process condensate water pipe to the main pipe - HCBBS Forum
60. ASME2000 - HCBBS Forum
61. Which stage is shown in the illustration attached to the safety section? - HCBBS Forum
62. Polyether polyol - HCBBS Forum
63. 6000 air separation unit: after maintenance, the compressor flow rate will not increase when it is started up again - HCBBS Forum
64. What is the required distance in meters between a Class C warehouse and roads? Which provision has it? - HCBBS Forum
65. Dangers of using superheated steam! - HCBBS Forum
66. Reduce the friction coefficient of nylon - HCBBS Forum
67. I would like to ask about equipment selection when scaling up from lab tests - HCBBS Forum
68. Oxygen flow regulation - HCBBS Forum
69. Water at different pressures is mixed directly together - HCBBS Forum
70. May I ask if polyurethane foam can be used as a type B cold-insulating material? Will it catch fire? - HCBBS Forum
71. Construction regulations, spacing issues of underground storage tanks - HCBBS Forum
72. Atmospheric pressure heating furnace - HCBBS Forum
73. Patent Mining Exchange in the Chemical Industry - HCBBS Forum
74. Where should the wind speed sensor be installed in the air duct? - HCBBS Forum
75. Online monitoring of the pH value in reaction vessels - HCBBS Forum
76. What technologies are available to remove methyl sulfide from liquefied gas? - HCBBS Forum
77. Flue gas emissions from heating furnaces - HCBBS Forum
78. Everyone, are there any good ways to remove scars or slow down their formation? - HCBBS Forum
79. Wastewater treatment process for hydroxide ions and methanol - HCBBS Forum
80. Be sure to pay attention to these when the expansion device comes into contact with the valve - HCBBS Forum
81. Considerations and elimination of liquid seals and gas collection in design - HCBBS Forum
82. Help needed - HCBBS Forum
83. By vaporizing liquid carbon dioxide, by how much can its own temperature be reduced? - HCBBS Forum
84. 【Daily Topic】【HVAC Version 20170314】 - HCBBS Forum
85. 【Daily Topic】【HVAC Version 20170418】 - HCBBS Forum
86. How to calculate the heat output of electric heating for tanks? - HCBBS Forum
87. Nitrogen protection issue for hydrogenation feedstock - HCBBS Forum
88. Aerobic, anaerobic, nitrification, denitrification - HCBBS Forum
89. [Weekly Image] Catalytic Coking Reformate Blending Version (Fifth Image of April 2017) - HCBBS Forum
90. Please explain the principle of the biomass combustion bed structure in the diagram - HCBBS Forum
91. What are the pipe diameters before and after the steam pressure relief valve? - HCBBS Forum
92. Price of heat transfer oil - HCBBS Forum
93. Problems with the outlet vent of the propylene compressor - HCBBS Forum
94. 【Daily Topic】【HVAC Version 20170516】 - HCBBS Forum
95. Methyl acrylate process: why is a vacuum tube needed in this process? - HCBBS Forum
96. What is the purpose of the water-absorbing flared end? ? ? - HCBBS Forum
97. What is the maximum pressure difference in a fixed-bed reactor that can be considered as evidence of coking of the catalyst in that fixed bed? - HCBBS Forum
98. Steam calculation - HCBBS Forum
99. 【Daily Topic】【HVAC Version 20170415】 - HCBBS Forum
100. 【Daily Topic】【HVAC Version 20170426】 - HCBBS Forum