English — Forum #336 (Page 15/51)

1. What is the difference between GB and GB/T? - HCBBS Forum
2. Tianchen Design is different from foreigners - HCBBS Forum
3. Separation of methane from nitrogen - HCBBS Forum
4. Utilization of process waste heat - HCBBS Forum
5. Distance issue between packaging line columns and factory building columns - HCBBS Forum
6. Unknown irritating solid in flash vapor condensate - HCBBS Forum
7. In the product obtained from the top of the vacuum distillation tower, a certain low-boiling-point substance is present in excess of the allowed level - HCBBS Forum
8. Regarding whether metal ions can cause the ring-opening polymerization of epoxy bonds - HCBBS Forum
9. Specific enthalpy of ammonia water - HCBBS Forum
10. What are the differences between medical liquid nitrogen tanks and ordinary liquid nitrogen tanks? - HCBBS Forum
11. Is the selection of packing for a wet flue gas desulfurization tower highly unreasonable? Everyone, please help take a look (there are pictures) - HCBBS Forum
12. Seek the calculation formula for water jet pumps - HCBBS Forum
13. I graduated from the Automation and Instrumentation program at the School of Chemical Engineering and am looking for a part-time job - HCBBS Forum
14. I have a question regarding fire separation distances and fire hazard levels - HCBBS Forum
15. The graduates’ graduation thesis is a production practice report focusing on the improvement of a section in a chemical plant - HCBBS Forum
16. Hydraulics of packed towers - HCBBS Forum
17. Covering of the accident emergency pool - HCBBS Forum
18. 【Haichuan Equipment Guessing Game】Is a hovercraft being installed? - HCBBS Forum
19. Why can some manufacturers of complete sets of equipment produce flowcharts, layout diagrams, etc., but they are just plain drawings without any official stamps? - HCBBS Forum
20. Outer pipe gallery purchase order - HCBBS Forum
21. Effect of the temperature of acidic circulating water on concentration during phosphate concentration process - HCBBS Forum
22. May I ask what purpose this bend serves? - HCBBS Forum
23. Explosion protection for electrical components and the entire device - HCBBS Forum
24. Questions regarding the leakage rate of the vacuum system - HCBBS Forum
25. The discharge time of the safety valve is controlled to within 4 hours - HCBBS Forum
26. What are equipment construction drawings, equipment condition drawings, and equipment assembly drawings? - HCBBS Forum
27. Liquid nitrogen jacket cooling issue - HCBBS Forum
28. “An emergency shut-off valve that is easy to operate should be installed on the loading and unloading pipeline at a distance of more than 10m from the loading/unloading crane position” - HCBBS Forum
29. Are the requirements for the flanges that come with the valve the same as those for separate flanges? - HCBBS Forum
30. Dear experts, how should the version number and design phase be filled in for the as-built drawings in engineering design drawings? - HCBBS Forum
31. VOCs treatment technologies - HCBBS Forum
32. Solid material feeding into the reactor - HCBBS Forum
33. Please help me how to operate this operating system - HCBBS Forum
34. Where can I find the thermophysical parameters of heat exchangers for media such as milk, peanut oil, and fruit juice? - HCBBS Forum
35. Reboiler lug height - HCBBS Forum
36. PRO/II crashes as soon as it starts running - HCBBS Forum
37. I would like to ask: for pipes that need to be kept cool at 20°C in summer and insulated to maintain a temperature of -15°C in winter, what kind of insulation material should be used? - HCBBS Forum
38. Are there any requirements regarding the installation location of liquid carbon dioxide storage tanks? - HCBBS Forum
39. Does chloroisooctane react with N,N-dimethylformamide at room temperature? - HCBBS Forum
40. Please, peristaltic pump legend - HCBBS Forum
41. How to carry out spectral analysis correctly? - HCBBS Forum
42. Class A chemical engineering design institute; feel free to call - HCBBS Forum
43. Consulting on lithium extraction process from major repair slag - HCBBS Forum
44. aspen edr coil wound error - HCBBS Forum
45. I would like to ask: what is the discharge rate of an organic solvent storage tank when it discharges under nitrogen blanketing, relying on its own gravity? - HCBBS Forum
46. Vapor stripping distillation - HCBBS Forum
47. Without engineering design qualifications but with pressure pipeline design qualifications, is it possible to design pressure pipelines? - HCBBS Forum
48. Issues regarding the fire separation distances between Class A, B, and C tank areas and buildings - HCBBS Forum
49. How to determine the setting pressure of a safety valve - HCBBS Forum
50. Lithium difluorosulfonylimide process technology package and equipment, as well as related partners - HCBBS Forum
51. Where are steel jacketed flanges used? - HCBBS Forum
52. Arrogant 55037 - HCBBS Forum
53. Can the safety distance from buried storage tanks in petrochemical facilities to the perimeter wall be reduced by 50%? - HCBBS Forum
54. How is the elevation of the equipment support points determined in chemical plant layout drawings? Is the thickness of the secondary grouting included? - HCBBS Forum
55. \"Code for Blast Resistance Design of Petrochemical Buildings\" (GB/T50779-2022) - HCBBS Forum
56. Regarding the differences between the basic design and the actual EPC quantities as well as cost settlement, which amounts are due to the contractor? - HCBBS Forum
57. Effect of feed to the bottom of a vacuum distillation column - HCBBS Forum
58. Is it acceptable to design one 10m3 sulfuric acid tank along with many organic compound tanks in the same tank area? - HCBBS Forum
59. 【HaiChuan Chemical Project Updates】Sinochem Quanzhou Petrochemical Co., Ltd. to build a new 100,000-ton/year EVA production facility - HCBBS Forum
60. Small questions regarding alarms and interlocks - HCBBS Forum
61. Groove types for pipeline welding - HCBBS Forum
62. Must a flat-bottomed storage tank be designed with anchor bolts? - HCBBS Forum
63. Pressure Pipeline Design and Engineering Examples, 3rd Edition E-book - HCBBS Forum
64. How can a non-metering professional get started quickly? - HCBBS Forum
65. Drainage flow rate calculation - HCBBS Forum
66. Can the internal surface polishing of stainless steel containers be carried out in accordance with the HG/T20569 standard for mixing vessels? - HCBBS Forum
67. DCS wireless instrument measurement and control station - HCBBS Forum
68. Division of design interfaces for underground pipes in the plant area - HCBBS Forum
69. Release of stainless steel metal ions - HCBBS Forum
70. Calculation of ignition probability values in the \"Guidelines for Quantitative Risk Assessment of Petrochemical Plants\" - HCBBS Forum
71. Recently, I read some doubts about the division of enterprise sizes in the petrochemical fire protection standards. - HCBBS Forum
72. In the case of sequential cut-off feeding, can a control valve be used as the actuator? - HCBBS Forum
73. Seeking help with API 521-2020 - HCBBS Forum
74. Fire protection design for hydrogen peroxide storage tanks - HCBBS Forum
75. Xuyang Design Institute (Xuyang Engineering Co., Ltd.) — Seeking design collaboration - HCBBS Forum
76. Question regarding formula calculation - HCBBS Forum
77. In a packed-bed distillation column, can a thermometer port be installed in the packing section for inserting a thermometer? - HCBBS Forum
78. Safety design diagnosis - HCBBS Forum
79. In architecture, the difference between beams and columns - HCBBS Forum
80. Recycling of wastewater from regular and continuous discharge in reforming waste heat gas generation boilers and waste heat power generation boilers - HCBBS Forum
81. Explanation of the calculation table for gas (steam) jet compression (ejector) - HCBBS Forum
82. How did everyone handle the upgrade in standards during the construction process? - HCBBS Forum
83. What is the Electronic Methane Project? What are the features? - HCBBS Forum
84. Design calculation of blast discs - HCBBS Forum
85. 【HaiChuan Chemical Project Updates】The second phase of Fujian Gulei’s integrated refining and chemical complex project, with a total investment of 71.1 billion yuan, has been approved - HCBBS Forum
86. Can the nitrogen seal be turned off after production stops? - HCBBS Forum
87. Regarding the styles of weld lip gaskets - HCBBS Forum
88. The pipe trays in chemical plants are hot-dip galvanized; how is the friction coefficient at their joints ensured? - HCBBS Forum
89. Aspen reports an error: an issue occurred while processing the input format - HCBBS Forum
90. Explanation of the calculation sheet for the three-effect solvent evaporation (counter-current) process - HCBBS Forum
91. Selection Manual for Pipe Flanges and Gaskets - HCBBS Forum
92. Series of 3D factory design software for chemical projects——Bentley 3D Digital Factory - HCBBS Forum
93. The distance between the circular roads connecting the two liquefied hydrocarbon storage areas is insufficient, allowing only one tank group to be installed. How can this issue be resolved? Are there any relevant standards? - HCBBS Forum
94. HAZOP analysis related matters - HCBBS Forum
95. Gentlemen, what is the purpose of using an air bag at the outlet of the unloading pipeline? - HCBBS Forum
96. Do the trees in large pits need to be removed during site leveling? - HCBBS Forum
97. How to use simulation software to determine the flash point of pure substances? - HCBBS Forum
98. Are the wall thicknesses of atmospheric-pressure reactors and pressure-rated reactors actually often the same? - HCBBS Forum
99. 3D factory design software series for chemical engineering projects ---- SolidWorks series - HCBBS Forum
100. Free guidance on calculating the pressure drop in vacuum system pipes - HCBBS Forum