English — Forum #337 (Page 81/163)

1. Welcome or see off? - HCBBS Forum
2. How is the oxygen flow rate for pipeline purging calculated? - HCBBS Forum
3. The application of the HPPO process by BASF/Dow in China - HCBBS Forum
4. I would like to ask everyone: on the nameplate of a Roots blower, there is a parameter labeled SUC.PRESS. ATM – what does ATM mean? - HCBBS Forum
5. The disadvantages of two companies sharing one fire station - HCBBS Forum
6. I would like to ask that in the north, due to the cold weather, Class A and B storage tanks or intermediate tanks need to be placed inside buildings for insulation, but according to the regulations, Class A and B tanks... - HCBBS Forum
7. Do explosion-proof considerations need to be taken into account for Class C liquids? If I want to, how should I consider it? - HCBBS Forum
8. Effect of insulation material density on insulation performance - HCBBS Forum
9. Vacuum pressure control - HCBBS Forum
10. Is it necessary to install an oxygen content analyzer on the gas holder itself? - HCBBS Forum
11. [Daily Question] Basic Process Knowledge (True/False Questions) 20190803 - HCBBS Forum
12. Job choice: Which is more suitable for the future development of undergraduates, Sinopec Zhenhai Refining & Chemical Co., Ltd. or Zhenhai Petrochemical Engineering Co., Ltd.? Including salary and prospects - HCBBS Forum
13. Evaporation amount calculation - HCBBS Forum
14. Which standard states that nitrogen cannot be used to purge highly hazardous media, according to the chief engineer? - HCBBS Forum
15. [Daily Question] Basic Process Knowledge (True/False Questions) 20190505 - HCBBS Forum
16. Production of fuel ethanol from steel plant exhaust gases - HCBBS Forum
17. PID process pipeline flow diagram design - HCBBS Forum
18. Circular foundation for storage tank - HCBBS Forum
19. Liquid nitrogen production of 10,000 standard liters per hour! How many cubic meters of liquid nitrogen is produced in 24 hours? How is this calculated? ? - HCBBS Forum
20. [Daily Question] Basic Process Knowledge (True/False Questions) 20190816 - HCBBS Forum
21. How is the vacuum level for a general reaction or distillation process determined based on economic considerations? Are there any formulas or software? - HCBBS Forum
22. [Daily Question] Basic Process Knowledge (True/False Questions) 20190530 - HCBBS Forum
23. What are the contents of the standardization review for piping drawings? - HCBBS Forum
24. The operating temperature of the liquid separation tank at the inlet of the cyclic hydrogen compressor is 50 degrees; why is the design temperature 150 degrees? - HCBBS Forum
25. [Daily Question] Basic Process Knowledge (Multiple Choice) 20191015 - HCBBS Forum
26. Safety valve discharge issues on the acetylene busbar - HCBBS Forum
27. Is it appropriate to change a horizontal heat exchanger to a vertical one? - HCBBS Forum
28. Discussion on the power calculation of the induced draft fan in the desulfurization and denitration system - HCBBS Forum
29. Is carbon dioxide a toxic gas? Does its alarm belong to the category of toxic gas alarms? - HCBBS Forum
30. Do the equipment in Class A and Class B rooms both need to be explosion-proof? Under what circumstances is no explosion protection needed? - HCBBS Forum
31. Dear experts, for GB/T 10798-2001, the measured value of the outer diameter of the pipe should be divided by π and rounded to the nearest 0.1 MM. ... - HCBBS Forum
32. Recruit a gallium purification process engineer - HCBBS Forum
33. Discussion on the mastery of core technologies by engineering companies - HCBBS Forum
34. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190929 - HCBBS Forum
35. Looking for recommendations for suitable inert refrigerants - HCBBS Forum
36. Can clamp joints be used for sealing reactors with pressures greater than 8 MPa? - HCBBS Forum
37. [Daily Question] Basic Process Knowledge (True/False Questions) 20190531 - HCBBS Forum
38. Calculation of the relief flow rate of the safety valve when the HGT20570 control valve fails - HCBBS Forum
39. Fire hazard issues - HCBBS Forum
40. There is an issue with the parameter settings of the heat exchanger - HCBBS Forum
41. [Daily Question] Basic Process Knowledge (True/False) 20190615 - HCBBS Forum
42. Boiler water - HCBBS Forum
43. Does the production of diethanol monoisopropanolamine fall under petrochemical enterprises? - HCBBS Forum
44. Difference between main and branch liquid paths - HCBBS Forum
45. Non-destructive testing inspection level - HCBBS Forum
46. PTFE welded components - HCBBS Forum
47. Seek expert advice——can negative-pressure, low-temperature steam be converted into high-pressure, high-temperature steam for use in heat exchangers? - HCBBS Forum
48. Ferrous sulfide tends to catch fire spontaneously when exposed to air; why is ferrous sulfide used in the material of many foam breakers? - HCBBS Forum
49. Selection of gas-liquid separator - HCBBS Forum
50. Process for oil-impregnated sulfur powder - HCBBS Forum
51. Can instrument air pipelines be welded? - HCBBS Forum
52. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05–11】 - HCBBS Forum
53. Regarding the hydrogenation of 400,000 tons of liquid aviation fuel at Qingyang Petrochemical - HCBBS Forum
54. Consultation on dead zone overheating steam pipeline temperature - HCBBS Forum
55. [Daily Question] Basic Process Knowledge (True/False) 20190601 - HCBBS Forum
56. Regarding the installation height of self-circulating kettle reboilers - HCBBS Forum
57. What does 30/25 mean in fire separation distances? - HCBBS Forum
58. The problem of increased backflow and reduced recombination partial pressure? - HCBBS Forum
59. Seeking assistance with the phthalic anhydride process package - HCBBS Forum
60. Ask about the process flow for mixing molecules of raw butter using a kneader - HCBBS Forum
61. What is the fire hazard classification for 50% hydrogen peroxide, and what is the basis for this classification? - HCBBS Forum
62. [Daily Question] Basic Process Knowledge (True/False) 20190622 - HCBBS Forum
63. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05–13] - HCBBS Forum
64. [Daily Question] Basic Process Knowledge (Multiple Choice) 20191018 - HCBBS Forum
65. Plastic container design - HCBBS Forum
66. Regarding the issue of break-siphoning in overflow pipes - HCBBS Forum
67. Selection and calculation of the safety valve for liquid chlorine storage tanks - HCBBS Forum
68. Tips for using wear-resistant plates NM450 and NM500 in flame cutting processes - HCBBS Forum
69. Liquefied hydrocarbon pipeline safety valve - HCBBS Forum
70. Flue gas treatment for gas boilers - HCBBS Forum
71. Carbon dioxide absorption scheme - HCBBS Forum
72. The issue of the form of H2O in multi-component gases - HCBBS Forum
73. How should the filtrate obtained from the production of ammonium chloride using glycine mother liquor be treated? - HCBBS Forum
74. How to remove a small amount of CO2 from H2S? - HCBBS Forum
75. Formula for calculating pipe span - HCBBS Forum
76. Which one is better for 3D piping: Solidwoks, CADwoks, or Plant 3D? - HCBBS Forum
77. Is the three-piece welded ball valve easy to disassemble? ? What other types of ball valves are easy to disassemble? - HCBBS Forum
78. [Daily Question] Basic Process Knowledge (True/False) 20190517 - HCBBS Forum
79. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190919 - HCBBS Forum
80. Test questions - HCBBS Forum
81. Are NH3 and CO2 in ionic or molecular form? - HCBBS Forum
82. What is the temperature at which medium-pressure steam leaks? - HCBBS Forum
83. [Daily Question] Basic Process Knowledge (True/False Questions) 20190819 - HCBBS Forum
84. Denitrification and nitrocompound co-production - HCBBS Forum
85. Rainwater collection methods - HCBBS Forum
86. Chlorosulfonic acid viscosity - HCBBS Forum
87. By drawing a PID diagram, it is possible to count the number of valve sensors - HCBBS Forum
88. What factors need to be considered to ensure that pilot-scale equipment is both beautiful and practical? - HCBBS Forum
89. Chemical composition of 07Cr2AlMoRE, impact temperature of 07Cr2AlMoRE, yield strength and tensile strength of 07Cr2AlMoRE - HCBBS Forum
90. [Daily Question] Basic Process Knowledge (True/False) 20190817 - HCBBS Forum
91. “The way of governance lies in finding the right balance - HCBBS Forum
92. Vacuum pipeline condensate - HCBBS Forum
93. Is a liquid chlorine vaporization cylinder better or a vaporizer? - HCBBS Forum
94. I need help with a question regarding distillation control. - HCBBS Forum
95. Virtual Training on Wastewater Coagulation Treatment – Animation - HCBBS Forum
96. What is integrated explosion-proof feedback? - HCBBS Forum
97. Drainage of steam power pipelines - HCBBS Forum
98. Who has the Fire Protection Code for Building Design, 2018 edition? - HCBBS Forum
99. How to connect the flexible joint of the jacket tube? - HCBBS Forum
100. Who knows the process for producing 1,6-hexanediol via the hydrogenation of dimethyl adipate? I’m seeking help! - HCBBS Forum