English — Forum #336 (Page 18/51)

1. How can the thermal conductivity of anhydrous sulfuric acid solution be estimated or looked up? - HCBBS Forum
2. A big horse can’t pull a small cart - HCBBS Forum
3. Calculation table for packed absorption towers (suitable for rapid irreversible chemical absorption) - HCBBS Forum
4. Ammonia purification in acidic water stripping unit - HCBBS Forum
5. Request the line pattern or legend for the SIS to DCS signal transmission cable - HCBBS Forum
6. Questions about safety valve pipeline settings - HCBBS Forum
7. Guidelines for the Implementation of Equipment Integrity Management and Predictive Maintenance Systems in the Safe Production of Hazardous Chemicals (Trial Version) - HCBBS Forum
8. Seek help regarding “Granulation Tower and Granulation Nozzles” - HCBBS Forum
9. There may be misunderstandings regarding the total volume of combustible gas storage tanks as specified in petrochemical standards - HCBBS Forum
10. Seeking \"Modern Pump Theory and Design\" - HCBBS Forum
11. What are the potential hazards of introducing both circulating water and steam at the lower outlet of the reactor jacket? - HCBBS Forum
12. The outlet pressure of the waterway pressure reducing valve cannot be adjusted, why (the outlet pressure cannot be adjusted to 1 Bar) - HCBBS Forum
13. I would appreciate it if colleagues from engineering companies or design institutes could help answer this - HCBBS Forum
14. What is the process of filling a steam drum with water? - HCBBS Forum
15. Is it okay to have a level gauge without a flow meter? - HCBBS Forum
16. Spacing requirements between liquid ammonia storage tanks and other equipment - HCBBS Forum
17. I need everyone’s help to determine the length of the spacing tube - HCBBS Forum
18. Under what circumstances is it necessary to install a safety valve? - HCBBS Forum
19. Piping single-line diagram/axonometric view — Mobile measurement & on-site drawing for quantity calculation - HCBBS Forum
20. 3D factory design software series for chemical projects----PDS series - HCBBS Forum
21. What is the saturated vapor pressure of hydrochloric acid at 60~80°C? - HCBBS Forum
22. The purpose of installing a bypass check valve at the PSV inlet of the reactor vessel - HCBBS Forum
23. What category does sodium hydroxide fall into in HGT20660? - HCBBS Forum
24. 【Haichuan Equipment Guessing Game】Whose twin towers? - HCBBS Forum
25. Hydrogen and air are combined and released - HCBBS Forum
26. Issues regarding the plant location and layout of the plant area (downwind side or upwind side) - HCBBS Forum
27. No steam ejectors for sulfur recovery! - HCBBS Forum
28. Effect of the stripping tower top pressure on the stripping efficiency - HCBBS Forum
29. Is the fire hazard of the Klaus sulfur recovery unit classified as Class A or Class D? - HCBBS Forum
30. Technology transfer for sodium chloride electrolysis - HCBBS Forum
31. Design the pump outlet venting method - HCBBS Forum
32. Seeking expert help with gas pipeline pressure drop calculation - HCBBS Forum
33. Temperature groups T1~T5? - HCBBS Forum
34. Is it necessary to install backup storage tanks in the liquefied hydrocarbon storage area? - HCBBS Forum
35. BDV valve for liquefied gas cylinders - HCBBS Forum
36. Recommended for sharing: Some experiences in the design of static equipment for an EPC project in the petrochemical industry - HCBBS Forum
37. Regarding the control of the cut-off valve - HCBBS Forum
38. Must pressure vessels be equipped with safety valves or rupture discs? - HCBBS Forum
39. Series of 3D factory design software for chemical projects----Smart 3D series - HCBBS Forum
40. Discussion on whether the low-point nitrogen purge pipeline can be blown clean - HCBBS Forum
41. Can telecommunication cables and power cables be placed inside the same protective steel tube? - HCBBS Forum
42. In areas where hydrogen pipelines pass through, does the explosion-proof rating of all electrical equipment need to be upgraded? - HCBBS Forum
43. Keeping up with the times? ? Are project names becoming more and more fancy and confusing these days? - HCBBS Forum
44. Why isn’t white phosphorus considered a highly toxic substance? - HCBBS Forum
45. Regarding the cost of main materials in the process estimate - HCBBS Forum
46. Material of electrolyte pipelines for all-vanadium flow batteries - HCBBS Forum
47. What is tube toothing in heat exchange tubes? - HCBBS Forum
48. SH/T3098-2011 Calculation of Support Beams for Internal Components in Towers (Simply Supported Beams) - HCBBS Forum
49. Lao K chemical design technical services and consulting content - HCBBS Forum
50. In which standard are the concepts of Class A, Class B, and Class C workshops mentioned? - HCBBS Forum
51. Carrying out all chemical-related experiments - HCBBS Forum
52. Pressure pipeline - HCBBS Forum
53. Explanation of the calculation table for fluid and gas pipeline pressure drop - HCBBS Forum
54. DEP 31.38.01.26 Hello, experts – I need help with this Shell file - HCBBS Forum
55. Pre-cooling before LNG cold box - HCBBS Forum
56. Overall location of the sewage treatment plant - HCBBS Forum
57. On the qualitative assessment of the fire hazard in waste gas and wastewater treatment plants - HCBBS Forum
58. Dear colleagues, does anyone have the design specification for a fluidized bed dryer (air flow drying)? - HCBBS Forum
59. Where can I find information on the physical properties of glucose? - HCBBS Forum
60. Interpretation of the layout specifications for steam pipeline branches - HCBBS Forum
61. Container pressure experiment - HCBBS Forum
62. Contract signed for EPC general contracting of the world’s largest integrated green hydrogen, ammonia, and alcohol project - HCBBS Forum
63. Can fluorinated lining pipes transport chlorine? - HCBBS Forum
64. Issues regarding the substitution of nickel-based alloy materials - HCBBS Forum
65. Calculate the heat of synthesis of ethylenediamine hydrochloride by acid method - HCBBS Forum
66. 【HaiChuan Chemical Project Updates】Jiaxing Petrochemical plans to carry out a technical upgrade project to produce 3 million tons of purified terephthalic acid per year - HCBBS Forum
67. For environmental inspections of liquid ammonia storage tanks, is it required to have a 200 m³ emergency pool? - HCBBS Forum
68. Pressure vessel head - HCBBS Forum
69. Regarding the calculation of the outlet diameter of safety valves - HCBBS Forum
70. Fire hazard classification of 85% phosphoric acid? - HCBBS Forum
71. Regarding the issue of pipeline number boundaries - HCBBS Forum
72. Design for converting a methanol tank to store butyl acrylate - HCBBS Forum
73. Design of small-hole spray distributor - HCBBS Forum
74. Discharge destination at the safety valve outlet - HCBBS Forum
75. Should the nominal pressure of chlorine pressure pipelines be 5.0? - HCBBS Forum
76. Issues regarding fire separation distances for storage tanks as per detailed regulations - HCBBS Forum
77. Seek application technologies for MOF materials in the industrial purification of crude ethylene - HCBBS Forum
78. Does connecting the exhaust pipes of storage tanks containing different materials reduce the distance between the tanks? - HCBBS Forum
79. How to calculate the air release time for a gas storage tank - HCBBS Forum
80. Seeking advice on explosion prevention in offices, shift change rooms, and analysis laboratories within the production areas of petrochemical enterprises - HCBBS Forum
81. Letter regarding the clarification of matters related to including the major hazard sources involved in hazardous chemical pilot production construction projects within the scope of supervision - HCBBS Forum
82. Requirements related to low-temperature impact for steel used in low-temperature pipelines - HCBBS Forum
83. Is the fire hazard of formic acid classified as Class B or Class C? - HCBBS Forum
84. Overall location of the cafeteria - HCBBS Forum
85. Steam condensate utilization issue - HCBBS Forum
86. Issue regarding the origin of the calculation formula for the control valve CV - HCBBS Forum
87. Urgently seeking candidates for chemical engineering design, R&D, and electrical instrumentation roles - HCBBS Forum
88. I’m seeking advice from experts: what material should be used for pipes carrying ammonia at a low temperature of -30°C? - HCBBS Forum
89. Can double-ended studs be used for EO pipe flange connections? - HCBBS Forum
90. I need help understanding the purpose of such a design - HCBBS Forum
91. Explosion-proof design for the hydrogen peroxide dosing room - HCBBS Forum
92. How is the length of the straight sections before and after the flow meter determined? - HCBBS Forum
93. Why are the main structural columns in large automated warehouses made of precast concrete columns rather than steel structures? ? ? - HCBBS Forum
94. Series of 3D plant design software for chemical projects----AutoPLANT Piping series - HCBBS Forum
95. Design schedule - HCBBS Forum
96. Seeking advice on burst disc issues with equipment - HCBBS Forum
97. Why is loading generally done in an unsealed manner? - HCBBS Forum
98. Vacuum problems in vacuum distillation columns - HCBBS Forum
99. What is this on the drawing? - HCBBS Forum
100. PDMS, SP3D 3D model design - HCBBS Forum