English — Forum #276 (Page 116/145)

1. Welding sequence issue for pressure vessel reinforcement rings - HCBBS Forum
2. If the model of the safety valve is specified as 300lb, then are the inlet and outlet flanges of the safety valve also 300lb? - HCBBS Forum
3. Seeking advice on insulation methods for low-temperature adiabatic containers - HCBBS Forum
4. Circulating fluidized bed power plant boiler - HCBBS Forum
5. How much air is needed to completely burn 1 kg of dry firewood? - HCBBS Forum
6. 27% hydrogen peroxide is stored in fiberglass tanks – why is lime powder (the kind used for painting walls) applied to the outside of these tanks? - HCBBS Forum
7. Regarding the corrosion resistance of TA2 material. . . . - HCBBS Forum
8. The relationship between argon-electric welding and pipe diameter - HCBBS Forum
9. Which has a higher price, the forming process for hot-rolled steel plates or that for controlled-rolling steel plates? - HCBBS Forum
10. Verification of pressure vessel plugs - HCBBS Forum
11. Welding process for 07Cr2AlMoR, Chemical composition of 07Cr2AlMoR - HCBBS Forum
12. What is tempering in a heating furnace? - HCBBS Forum
13. Re-inspection of boiler raw materials upon arrival at the factory - HCBBS Forum
14. Does anyone know the wall thickness of an enamel kettle with a volume of 3000 L? - HCBBS Forum
15. Annual inspection of pressure vessels - HCBBS Forum
16. What should I do if SW6 keeps crashing? - HCBBS Forum
17. What is the purpose of water treatment in boilers? - HCBBS Forum
18. Regarding the issue of the coefficient for welded joints with openings in SW6 - HCBBS Forum
19. What is the reason why a fault in the burner keeps being indicated when using heat transfer oil for ignition? - HCBBS Forum
20. If I become a purchasing specialist after canceling my current role, are there any certificates related to purchasing that I can obtain? ? - HCBBS Forum
21. API650 Tank Construction - HCBBS Forum
22. The solid material at the bottom of the vacuum distillation vessel adheres to the walls and cannot be cleaned thoroughly - HCBBS Forum
23. Selection of the diameter for the container’s waste discharge pipe - HCBBS Forum
24. Construction of radiographic inspection room - HCBBS Forum
25. Regarding gasket standards - HCBBS Forum
26. Natural gas ball valve - HCBBS Forum
27. Pipes and containers made of stainless steel or alloy steel must be welded with argon filled on the back side - HCBBS Forum
28. Free design calculation software for jacketed vessels (not Excel) - HCBBS Forum
29. Is there still any hope in this situation? - HCBBS Forum
30. Why can’t the manhole section sw6 on the head be calculated? - HCBBS Forum
31. Can a honeycomb jacket be subject to inspection? - HCBBS Forum
32. Automatic tank cleaning equipment - HCBBS Forum
33. Why are such gaskets commonly used on glass-lined reaction vessels? - HCBBS Forum
34. Selection of equipment flanges - HCBBS Forum
35. Selection of flanges - HCBBS Forum
36. How should the value for “medium density under discharge conditions” calculated for the safety valve in SW6 be filled in? - HCBBS Forum
37. During manufacturing, the excess height of the welds on the pressure vessel is ground flat. How can such welds be identified during the regular inspection of the pressure vessel? - HCBBS Forum
38. I’d like to introduce to you a software for calculating common fluid property parameters - HCBBS Forum
39. What standard is FB44085? - HCBBS Forum
40. I want to build a pressure vessel inspection room; could you provide some reference designs for such a room? - HCBBS Forum
41. Pull-out tray - HCBBS Forum
42. Pressure vessel manufacturing - HCBBS Forum
43. Is an 80-cubic-meter methanol storage tank with a working pressure of 0.3 Mpa and a temperature of 30 degrees considered abnormal? - HCBBS Forum
44. What is the specific gravity of material 1.4529? - HCBBS Forum
45. One ton inspection-free steam generator - HCBBS Forum
46. The issue of rounding the inner diameter at the joint - HCBBS Forum
47. Seeking guidance on the design specifications for rectangular pressurized vessels at 40 KPa - HCBBS Forum
48. Steam pipeline flow rate - HCBBS Forum
49. What are the leakage tests for pressure vessels at atmospheric pressure? - HCBBS Forum
50. How to remove the blades of a leaf filter? - HCBBS Forum
51. Seeking guidance on the allowable stress of Q420R at corresponding temperatures - HCBBS Forum
52. Equipment processed by Zhongnan Heavy Industry – two flanges broke after just three days of use. What should be done? - HCBBS Forum
53. Water vapor condensation to heat flue gas – box-type heat exchanger - HCBBS Forum
54. Reasons why the igniter of a gas boiler does not ignite - HCBBS Forum
55. Table of commonly used welding materials for stainless steel and carbon steel - HCBBS Forum
56. Is there anyone who can perform maintenance on the 8-ton Haou gas boiler? Jiangsu’s - HCBBS Forum
57. Installation of shims for static equipment: does the secondary grouting layer bear the load of the equipment? - HCBBS Forum
58. Which equipment and pipelines made of certain materials need to be electrostatically grounded? - HCBBS Forum
59. Is it necessary to use support tubes for heat exchangers equipped with baffle plates? - HCBBS Forum
60. floating head cold crack - HCBBS Forum
61. What domestic material grades do 1.0038s235jr and 1.0037s235jr correspond to respectively? - HCBBS Forum
62. Heating area of 50-ton circulating fluidized bed steam boiler - HCBBS Forum
63. Problems with the water seal tank in large tanks - HCBBS Forum
64. Splicing of U-tubes (how to interpret Clause 8.3.4 of GB/T151-2014) - HCBBS Forum
65. Problems with new equipment - HCBBS Forum
66. Which standard replaced GB3277? - HCBBS Forum
67. thin-walled container - HCBBS Forum
68. Questions regarding the “lower limit of operating temperature for steel plates” - HCBBS Forum
69. Who has the schematic diagram of a shell-and-tube heat exchanger? - HCBBS Forum
70. Seeking help with knowledge of chemical engineering principles - HCBBS Forum
71. Material selection for pressure vessels - HCBBS Forum
72. What are the uses of Special Equipment Certificates A1 and A2? - HCBBS Forum
73. Issues regarding basic templates in the design process of static equipment - HCBBS Forum
74. Which is more expensive, furnace tube T9 or P9 for reformation heaters? - HCBBS Forum
75. Pressure vessel - HCBBS Forum
76. For overseas pressure vessels (ASME, heat exchangers) that are imported and used within China, what procedures are required for registration? How to use registration? - HCBBS Forum
77. Who has the design calculation data for straight-through filters? Please send it to me, thank you. - HCBBS Forum
78. Discussion on whether helium testing is required for high-pressure hydrogen containers - HCBBS Forum
79. Is there alternating load in the polymerization reactor of a polypropylene plant? Is analytical design needed? - HCBBS Forum
80. Selection of test methods for intergranular corrosion of NS312 material containers containing chlorine in the medium - HCBBS Forum
81. Why isn’t 7 available as the number of tube rows in air coolers? - HCBBS Forum
82. Calculation of the floating end plate in floating-head heat exchangers - HCBBS Forum
83. Issues regarding test pieces for the evaluation of tube sheet welding processes - HCBBS Forum
84. saturation pressure - HCBBS Forum
85. Why are some heating furnaces nowadays not equipped with a positive pressure interlock? - HCBBS Forum
86. Thermal calculation for flue gas cooling - HCBBS Forum
87. Regarding the first domestic process application - HCBBS Forum
88. What bevels should be used for the fillet welds of dissimilar steels Q345R and 20, using SAMW and SAW methods? - HCBBS Forum
89. Questions about test questions - HCBBS Forum
90. Reinforcement of head openings under external pressure - HCBBS Forum
91. Candle filter - HCBBS Forum
92. Equipment management - HCBBS Forum
93. Do pressure vessels necessarily need safety valves? - HCBBS Forum
94. What are the standards for angle valves? - HCBBS Forum
95. 08Ni3DR (SA203E) chemical composition 08Ni3DR mechanical properties - HCBBS Forum
96. Which supplier has HDPE dosing tanks? Urgent! - HCBBS Forum
97. Is flaw detection required for the vacuum jacket? Thank you - HCBBS Forum
98. When welding Class III materials with Class IV materials, austenitic stainless steel welding materials should be used; the welder’s certificate should indicate which type of material is involved - HCBBS Forum
99. I would like to ask about the standard NB/T47014-2011 - HCBBS Forum
100. The challenge of full-size inner templates for end caps - HCBBS Forum