English — Forum #337 (Page 149/163)

1. 【Daily Topic】【Production Version 20170412】 - HCBBS Forum
2. If a canopy is installed over an outdoor installation (which is not hazardous), does that make it considered a factory building? ? - HCBBS Forum
3. There is an existing process that involves sulfuric acid and operates at high temperatures; what material should be chosen for this purpose? - HCBBS Forum
4. Compressor - HCBBS Forum
5. Is there a bar in one of the last three diamonds in the diagram, indicating a PLC? Thank you all - HCBBS Forum
6. What does factory design include? - HCBBS Forum
7. Process Introduction of Dilute Nitric Acid Reduction Device - HCBBS Forum
8. Is methylene chloride non-flammable? - HCBBS Forum
9. Does a pilot-operated safety valve need to ensure that the pressure drop in the inlet pipeline does not exceed 3% of the set pressure? - HCBBS Forum
10. 【Daily Question】Poetry Literature Version (170317) - HCBBS Forum
11. What distance should the power distribution room or control room be kept from roads and other buildings? ? - HCBBS Forum
12. Compared to tube heat exchangers, what gives plate heat exchangers a higher heat exchange efficiency? - HCBBS Forum
13. I would like to ask how to install a level gauge - HCBBS Forum
14. Can a pipe rack take root in a wall? ? - HCBBS Forum
15. Questions regarding Article 4.2.7 of the Building Code - HCBBS Forum
16. If a mixture contains some hazardous chemicals, does that mean the substance itself is a hazardous chemical? - HCBBS Forum
17. Depolymerization of PTMEG (polytetramethylether glycol) - HCBBS Forum
18. 【Daily Topic】【HVAC Version 20170220】 - HCBBS Forum
19. 【Daily Topic】【HVAC Version 20170419】 - HCBBS Forum
20. E-book material ~ Lecture on Basic Knowledge of Centrifugal Pumps (Chapter 4) - HCBBS Forum
21. Regarding the calibration of pressure gauges - HCBBS Forum
22. Function of the gas-liquid communication line in some condensers and determination of the liquid seal height - HCBBS Forum
23. What is the base oil for lubricants! - HCBBS Forum
24. Torch emergency plan - HCBBS Forum
25. Why are pressure pipelines not included in the identification of major hazard sources? - HCBBS Forum
26. Heat exchange area - HCBBS Forum
27. Activated carbon treatment - HCBBS Forum
28. Corrosion resistance measures for nitration reactors - HCBBS Forum
29. Seeking advice on factory building ventilation layout - HCBBS Forum
30. Gas pressurization - HCBBS Forum
31. Process pipeline numbering issue - HCBBS Forum
32. Pipeline support distance - HCBBS Forum
33. The issue of material selection for plastic storage tanks. - HCBBS Forum
34. What are the heating devices used to heat flue gas? - HCBBS Forum
35. How to set the units in the View Cone of SP3D Review? - HCBBS Forum
36. Must the drainage from the storage tank necessarily be connected through an elbow at the bottom of the tank? ? That is, a clearance opening needs to be left at the base - HCBBS Forum
37. Seeking a genuine restoration of the process package? - HCBBS Forum
38. A rather simple question: the fire classification for substations - HCBBS Forum
39. Design pressure of equipment and pipelines - HCBBS Forum
40. Steam pipeline hydraulic and thermal calculation software - HCBBS Forum
41. What size flash tank should be used with a 20 cubic meter polymerization reactor? - HCBBS Forum
42. Discussion on the design responsibilities for design projects - HCBBS Forum
43. 【Daily Topic】【HVAC Version 20170221】 - HCBBS Forum
44. Definition of refinery processing capacity - HCBBS Forum
45. Haichuan’s original e-books—the sixth batch of finished products and rewards are being distributed now. . . - HCBBS Forum
46. Filter press feeding issue – urgent - HCBBS Forum
47. Technical specifications for 10,000 m3 rubber membrane dry gas holder - HCBBS Forum
48. A pipe is placed under a pool to allow water to flow downward naturally due to gravity; what is the maximum flow speed of the water in the pipe? - HCBBS Forum
49. Can this experiment be done? - HCBBS Forum
50. Calculation methods and national standards - HCBBS Forum
51. Let’s discuss again the differences and similarities between safety inspections, fire safety inspections, occupational health inspections, and environmental protection inspections - HCBBS Forum
52. Why is the absolute roughness of galvanized steel pipes so high? ! - HCBBS Forum
53. Reward for information on the installation of safety valves before and after the pressure relief valve - HCBBS Forum
54. Questions about single tank and single dike - HCBBS Forum
55. Haichuan’s original interactive e-books — the third batch has been completed; come and take a look! - HCBBS Forum
56. Heat transfer oil high-level tank - HCBBS Forum
57. May I ask whether compressed air or nitrogen with the same mass flow rate can use the same pipe diameter even if their pressures are different? - HCBBS Forum
58. 【Daily Topic】【HVAC Version 20170518】 - HCBBS Forum
59. Regarding software for drawing PID charts, which one can be used on Mac? - HCBBS Forum
60. Does anyone know the size of the flange gasket for the H44H-150LB-DN700 swing check valve? - HCBBS Forum
61. The effect of flow velocity in the heat exchanger on its service life - HCBBS Forum
62. Discussion on the short service life of catalysts in MTBE plants - HCBBS Forum
63. Is there any online analysis for effective chlorine in hyposodium? - HCBBS Forum
64. What should process engineers pay attention to during the commissioning of chemical plants? - HCBBS Forum
65. 【Daily Topic】【HVAC Version 20170309】 - HCBBS Forum
66. (Information Sharing) Guidance for Studying the Course of Principles of Chemical Engineering* - HCBBS Forum
67. The quality of the steam, you - HCBBS Forum
68. Fire protection for hydrogen processing plant and hydrogen fuel cell plant - HCBBS Forum
69. What is the most commonly used evaporator these days? - HCBBS Forum
70. Fan series connection problem - HCBBS Forum
71. Instrument reset - HCBBS Forum
72. [Weekly Image] Catalytic Coking Reformate Blending Version (Seventh Image, March 2017) - HCBBS Forum
73. 【Daily Topic】【HVAC Version 20170227】 - HCBBS Forum
74. Who knows about large motors – why is circulating water and air used, and what is their specific function? - HCBBS Forum
75. Corrosion protection – I’ve got the solution! - HCBBS Forum
76. Prices of various insulating materials - HCBBS Forum
77. May Class B buildings be adjacent to Class A or Class C buildings? ? - HCBBS Forum
78. If the material in one reactor is divided equally between two reactors, what are the feasible solutions? - HCBBS Forum
79. How to measure and feed volatile materials such as propylene into the experimental setup - HCBBS Forum
80. (Information Sharing) Chemical Process Engineering - HCBBS Forum
81. \"Electrical Safety\": Illegal wiring of welding machines - HCBBS Forum
82. Are there any relatively authoritative software programs for combustion? - HCBBS Forum
83. Looking for recommendations for reliable domestic manufacturers of dry coolers - HCBBS Forum
84. I just want to ask whether it’s necessary to be so detailed when setting conditions for civil engineering work? - HCBBS Forum
85. Alkaline soap turns into acidic soap - HCBBS Forum
86. C022 Methanol plant system start-up summary-e-book project establishment - HCBBS Forum
87. How fast does the fluid velocity need to be for heat exchange to be insufficient? - HCBBS Forum
88. The purpose of setting up the two containers - HCBBS Forum
89. 【Daily Topic】【HVAC Version 20170522】 - HCBBS Forum
90. Seek sodium methoxide design institute - HCBBS Forum
91. Calculation of natural water evaporation from open containers - HCBBS Forum
92. At what pressure above a certain threshold of the raw material inlet to a process system is it necessary to install a start-up bypass? - HCBBS Forum
93. Among the process influencing factors for sec-butyl acetate, what are the recycle ratio and the fractionated feed of C4? - HCBBS Forum
94. Help needed for factory relocation and reconstruction - HCBBS Forum
95. Valve locking issue - HCBBS Forum
96. 【Daily Topic】【HVAC Version 20170427】 - HCBBS Forum
97. Are there any brothers and sisters who work with polyaluminum chloride? - HCBBS Forum
98. The issue of surface activity. - HCBBS Forum
99. Design and Construction - HCBBS Forum
100. If a canopy is built over an outdoor Class A liquid storage tank with a capacity of 50 cubic meters, does that make it a warehouse? ? - HCBBS Forum