English — Forum #337 (Page 150/163)

1. Team Management Part 3: Promotion Management - HCBBS Forum
2. Discussion on the selection calculation of API520 safety valves - HCBBS Forum
3. How does everyone handle their acidic water? Is there anything that can be reused directly? - HCBBS Forum
4. What is the market price of sodium hydrosulfide, and are sales good? - HCBBS Forum
5. 【Daily Topic】【HVAC Version 20170614】 - HCBBS Forum
6. Are there any distance requirements between hydrogen cylinders and acetylene cylinders if they are not in the same room? - HCBBS Forum
7. How can one determine that the flow rate of the exhaust stack has decreased by reading the pressure gauge on it? ! - HCBBS Forum
8. Magnesium oxide desulfurization - HCBBS Forum
9. How should the foundation for a plastic storage tank be constructed? How to prevent storage tanks from shifting or being affected by wind, etc.? - HCBBS Forum
10. On pipeline vibration damping devices in the chemical industry - HCBBS Forum
11. Regarding the distance between liquid ammonia storage tanks and their loading/unloading nozzles - HCBBS Forum
12. Is there any specification regarding what size of hole should be matched with what size of foundation bolt? Select a table? - HCBBS Forum
13. Methods for treating flue gas from desulfurization - HCBBS Forum
14. [Weekly Image] Catalytic Coking Reformate Blending Version (Sixth Image of March 2017) - HCBBS Forum
15. Distance requirements between Class C warehouses and initial rainwater ponds - HCBBS Forum
16. 【Daily Topic】【HVAC Version 20170310】 - HCBBS Forum
17. Adding acid to adjust pH in industry - HCBBS Forum
18. Automatic coking equipment/conveyor belt for delayed coking petroleum coke - HCBBS Forum
19. Guess the Equipment from the Picture 2017.6.6 (Pulverized Coal Separation and Conveying Device) - HCBBS Forum
20. Can the safety valve outlet pipe be connected to the main pipe? - HCBBS Forum
21. Regarding liquid feed - HCBBS Forum
22. C044 E-book--UOP Hydrocracking Knowledge - HCBBS Forum
23. Volume design of the air storage tank - HCBBS Forum
24. The question of in which direction the steam pipes should be sloped - HCBBS Forum
25. Who can provide the feed control logic for the acetic acid cracking furnace - HCBBS Forum
26. Regarding the issue of unorganized emissions at sampling ports - HCBBS Forum
27. 【Daily Topic】【HVAC Version 20170412】 - HCBBS Forum
28. Guess what device this is? - HCBBS Forum
29. Flash tank design - HCBBS Forum
30. Design issues for the nitration reaction, a high-risk process - HCBBS Forum
31. Is the design temperature for non-insulated pipes at a minimum of “120°C”? - HCBBS Forum
32. Production of sulfuric acid from pyrite - HCBBS Forum
33. Is it necessary to install cofferdams around the reactors in petrochemical plants? Under what circumstances should cofferdams, fire dikes, etc. be installed? - HCBBS Forum
34. Simple view analysis - HCBBS Forum
35. 【Help】Does anyone know anything about spray drying? - HCBBS Forum
36. Are there any people who like reading old books? - HCBBS Forum
37. Which brand is generally used for explosion-proof flashlights in factories? - HCBBS Forum
38. [Weekly Image] Catalytic Coking Reformate Blending Version (Second image of May 2017) - HCBBS Forum
39. May I ask how the general steam loss is determined when calculating steam consumption? ? - HCBBS Forum
40. Naphthene clogging of pipes in the crude benzene process - HCBBS Forum
41. What category is the fire hazard of concentrated sulfuric acid storage tanks classified as? ? What about concentrated hydrochloric acid? ? - HCBBS Forum
42. If carbon steel is used for the concentrated sulfuric acid storage tank, will acid mist form in the gas space at the top? ? - HCBBS Forum
43. 【Daily Topic】【HVAC Version 20170424】 - HCBBS Forum
44. What is the difference between a fire dike and a barrier dike? What are the differences in height and approach, and what are their uses? - HCBBS Forum
45. Has anyone here experienced nitration and hydrogenation reactions? - HCBBS Forum
46. Does an explosion-proof doorway require positive pressure ventilation? - HCBBS Forum
47. Issue with the control valve being vented to the flare line - HCBBS Forum
48. Newbie seeking advice! On the selection of design temperature for heat exchangers - HCBBS Forum
49. Are there steel pipes with an outer diameter of 53 mm in the chemical industry? - HCBBS Forum
50. Discussion on the optimization of the API layout diagram - HCBBS Forum
51. Differences between GB2589 and GB50441 - HCBBS Forum
52. Transport of bisphenol A - HCBBS Forum
53. Regarding the issue of fan static pressure - HCBBS Forum
54. What is the abbreviation for MFOR, referring to which organic compound? - HCBBS Forum
55. Seeking assistance with preliminary design budget estimate - HCBBS Forum
56. Question regarding the standard number for seamless steel pipes - HCBBS Forum
57. I need the assembly diagram for an ammonium phosphate dryer, thank you - HCBBS Forum
58. The owner requires us to provide a “survey conditions diagram”” - HCBBS Forum
59. Can a firewall reduce the fire separation distance? - HCBBS Forum
60. Seeking advice on the ammonia vaporization combined with desalination process technology - HCBBS Forum
61. Where can I find the full names for abbreviations such as MRL, MSC, MSI, MAO, etc., related to the instrument numbers of mechanical equipment? - HCBBS Forum
62. Does any friend have the official documents for gasoline (92# and 95#) and diesel (0#) that meet National V standards? Could you send me one? - HCBBS Forum
63. If a Class A liquid storage tank is placed in a room where the nickel content is within 5%, and no firewall is used to separate it, does the area outside that 5% range still need to be explosion-proof? - HCBBS Forum
64. Material calculation for containers - HCBBS Forum
65. May I ask where the boundary between the instrumentation specialty and the piping specialty lies? ? - HCBBS Forum
66. What are the required spacing requirements between pipe racks and Class A and B storage tanks? ? Which provision has it? - HCBBS Forum
67. 【Daily Topic】【HVAC Version 20170328】 - HCBBS Forum
68. N2O laughing gas production process - HCBBS Forum
69. Advantages and disadvantages of the space powder gasifier - HCBBS Forum
70. Seek a density table for sodium sulfate solution - HCBBS Forum
71. 【Daily Topic】【HVAC Version 20170216】 - HCBBS Forum
72. bubble point of mixture - HCBBS Forum
73. What is the purpose of adding a check valve to the inlet of the storage tank? Talk by looking at pictures - HCBBS Forum
74. C031 Compilation of Accident Analyses of Hydrogenation Units at Home and Abroad - HCBBS Forum
75. What is formed when sodium bromide and sodium hypobromite react in the presence of sodium sulfate? - HCBBS Forum
76. Performance differences between fire-resistant cables and flame-retardant cables - HCBBS Forum
77. Why should buried tanks be kept away from permafrost layers? - HCBBS Forum
78. I need to create a microfiltration membrane for treating wastewater, but I don’t know where to start - HCBBS Forum
79. What is the fire separation distance between two rows of buried horizontal storage tanks in the same tank bank? - HCBBS Forum
80. What is the temperature resistance of the bags in a bag filter? - HCBBS Forum
81. I would like to ask: in the ammonia synthesis process, regarding pressure swing adsorption and temperature swing adsorption, what is the approximate pressure during the synthesis stage in Mpa? - HCBBS Forum
82. Process design for the synthetic ammonia shift unit with an annual production capacity of 150,000 tons - HCBBS Forum
83. I need a process flow diagram for the ethylene hydration process, preferably with control points indicated - HCBBS Forum
84. Are there any regulatory requirements regarding the distance between ordinary tank areas (that are not classified as Category A or B), such as acid and alkali tank areas, and the factory perimeter wall? ? ? - HCBBS Forum
85. One aspect of team management: learning together* - HCBBS Forum
86. Below are the regulations for a foreign-funded project; let’s discuss and translate them - HCBBS Forum
87. Continuous reforming reduction off-gas temperature - HCBBS Forum
88. Purge first or conduct a single-unit test first - HCBBS Forum
89. Coal-based semi-coke - HCBBS Forum
90. 【Daily Question】Poetry and Literature Edition (170318) - HCBBS Forum
91. What is the purpose of distinguishing between dynamic pressure and static pressure in fans? ! - HCBBS Forum
92. 【Daily Topic】【HVAC Version 20170304】 - HCBBS Forum
93. The on-site operator had been working there for half a year yet still didn’t know the opening/closing status of the valve! - HCBBS Forum
94. If it is used intermittently with steam, then how should a gas-fired steam boiler be operated? ? - HCBBS Forum
95. Is it necessary to install a steam trap for superheated steam? - HCBBS Forum
96. Who has the process flow for hydrogen production? I need one! - HCBBS Forum
97. Distance between LPG vaporizer skid and gas boiler - HCBBS Forum
98. Can a plastic pipe be used in place of a steel pipe in a rigid waterproof sleeve? ? ? ? - HCBBS Forum
99. It’s a forced arrangement made within a rather limited space; please give some advice – this is really tough. . - HCBBS Forum
100. How to verify equipment with incomplete penetration in the longitudinal welds of cylinder welding - HCBBS Forum