English — Forum #276 (Page 121/145)

1. What support is used for DN500 horizontal vessels? - HCBBS Forum
2. Caustic soda solution filter - HCBBS Forum
3. Lifting method - HCBBS Forum
4. Hardness testing of metal materials - HCBBS Forum
5. Questions regarding pressure testing of vertical containers - HCBBS Forum
6. Some discussions on supports for large-diameter cylinders - HCBBS Forum
7. Issues regarding the hydrostatic test pressure for vertical gas storage tanks - HCBBS Forum
8. Regarding extraction steam turbines - HCBBS Forum
9. The pressure is very low; how should the thickness of flanges with a larger diameter be determined? - HCBBS Forum
10. Since the Certification Committee no longer issues paper-based certificates for approvers, what are your thoughts on the challenges ahead in pressure vessel design? - HCBBS Forum
11. Cover for tube sheet (thick) outlet pipe (thin) PQR? - HCBBS Forum
12. Internal circulation in a dual-tank molten salt heat storage system - HCBBS Forum
13. A help post about steam turbine vacuum - HCBBS Forum
14. When classifying heat exchangers, should the shell side volume be deducted from the volume occupied by the tube bundle? - HCBBS Forum
15. Boiler water treatment - HCBBS Forum
16. Vacuum stirred reactor - HCBBS Forum
17. What kind of checks are required when using H-shaped steel as the columns for a steel platform? - HCBBS Forum
18. Regarding the fracture of the anchor bolts of the reducer for the high-pressure feed pump (plunger pump) - HCBBS Forum
19. Questions about the reboiler - HCBBS Forum
20. Regarding the repair of enamel reactors - HCBBS Forum
21. Two liquids with different densities that do not react with each other can be continuously separated to form layers - HCBBS Forum
22. Can power station boilers be tested for efficiency? - HCBBS Forum
23. Welding issues of dissimilar steels in valves - HCBBS Forum
24. How is desulfurization carried out in circulating fluidized bed boilers? - HCBBS Forum
25. Is the fire foam tank of the device a pressure vessel? - HCBBS Forum
26. What is the function of the small holes in the wall of a water seal tank? - HCBBS Forum
27. Dear experts, may I ask if the low-oxygen carbon dioxide fire suppression system used in the raw coal silo can be replaced with a nitrogen fire suppression system? - HCBBS Forum
28. What to do if all the design documents for an in-service pressure vessel are lost? - HCBBS Forum
29. Installation of combustible gas detectors for gas boilers - HCBBS Forum
30. Weld joint coefficient for fixed tube sheets - HCBBS Forum
31. The connection methods between the sight glass and the container are clamping type and welding type. What are the requirements for choosing between these two methods? - HCBBS Forum
32. Is there a 0-3MPa pressure gauge? - HCBBS Forum
33. Regarding the sealing surface - HCBBS Forum
34. A History of Welding Development Around the World - HCBBS Forum
35. Equipment explosion protection - HCBBS Forum
36. Is it necessary to polish the inner wall of the ethanol storage tank? - HCBBS Forum
37. What does threshold stress mean? - HCBBS Forum
38. For heat exchanger tube sheets, how is the additional thickness due to corrosion and slotted tube sheets determined? - HCBBS Forum
39. How to calculate the design volume of a pulsation buffer tank - HCBBS Forum
40. Coal-fired coupled waste-to-energy technology - HCBBS Forum
41. Pressure testing range - HCBBS Forum
42. How to calculate a vertical heat exchanger supported by a skirt? - HCBBS Forum
43. Production Technical Specifications for Medium and Low Pressure Fittings - HCBBS Forum
44. I would like to know which standard can be used to find the installation qualifications for pressure vessels and pressure pipelines. Thank you. - HCBBS Forum
45. There are crack defects in the boiler component; how can the remaining service life of this component be calculated? - HCBBS Forum
46. Load capacity of the container - HCBBS Forum
47. What type of gasket should be used for molten salt pipeline flanges? - HCBBS Forum
48. There’s hardly any red heart left for mechanical work; I have no idea how to move forward from here. . . . - HCBBS Forum
49. What are those circles around the spherical tank? - HCBBS Forum
50. What material should be used for concentrated sulfuric acid at 400 degrees Celsius? - HCBBS Forum
51. Effect of natural gas temperature changes on combustion - HCBBS Forum
52. Add a water jacket to cool the flue gas pipeline - HCBBS Forum
53. Media inlet and outlet of the device - HCBBS Forum
54. How is it determined whether a pressure vessel manufacturing unit possesses design capabilities? - HCBBS Forum
55. Water filling inspection and hydrostatic test - HCBBS Forum
56. Application issues of NB/T 47003.1 and GB 50341 - HCBBS Forum
57. Requirements for forged flanges in pressure vessels - HCBBS Forum
58. Liquefied Natural Gas (LNG) processes and engineering Please upload - HCBBS Forum
59. Local stress at the pipe connection on the conical shell - HCBBS Forum
60. Structure and principle of continuous graphitization furnace - HCBBS Forum
61. Container standard update - HCBBS Forum
62. How to understand that the bolt holes in the flange of the head should be arranged so as to cross the alignment line passing through the center of the head and the center of the pipe" - HCBBS Forum
63. What are the circulating fluidized bed boilers for burning garbage, except for the bag outlets? @everyone - HCBBS Forum
64. Reboilers often suffer from residue blockages; how should this be dealt with? - HCBBS Forum
65. Why are the safety valves required for calculating vertical LPG tanks so much larger than those for horizontal ones? - HCBBS Forum
66. Dangers of long-term low-load operation of gas boilers - HCBBS Forum
67. I would like to ask everyone: why can trisodium phosphate only be added to the boiler water (water treatment inside the boiler)? If it is added to the boiler feed water... - HCBBS Forum
68. Distributor design - HCBBS Forum
69. How to deal with red discoloration in steam boiler condensed water recovery - HCBBS Forum
70. A bug in SW6 software - HCBBS Forum
71. Golden Cudgel - HCBBS Forum
72. Contents of the quality assurance materials for the pressure-bearing components of pressure vessels - HCBBS Forum
73. Regarding the negative deviation of steel plates - HCBBS Forum
74. What are those pitted-like things on the reactor skirt? There are pictures - HCBBS Forum
75. Why are rate limits for pressure increase and decrease specified for boiler pressure tests? - HCBBS Forum
76. I would like to ask about the process for obtaining the SAD analysis and design qualification from my employer. If anyone knows anything about it, please let me know. Thank you! - HCBBS Forum
77. Please help everyone - HCBBS Forum
78. The lining material in the target area of fluidized bed boilers suffers severe wear after ammonia water injection for denitration - HCBBS Forum
79. Vacuum requirements for low-temperature carbon dioxide storage tanks - HCBBS Forum
80. Liquid-phase heat transfer oil boilers: flow velocities within the tubes in the radiation and convection zones, leading to carbon deposition inside the tubes - HCBBS Forum
81. Inspection issues for water-jacketed heating furnaces - HCBBS Forum
82. The final ring seam of the heat exchanger shell cannot be recorded as an additional RT or TOFD local inspection problem for ultrasonic inspection - HCBBS Forum
83. Does anyone know this? Could you explain the working principle or the installation location? - HCBBS Forum
84. For steam boiler systems used for export, dual deaerators are required – why is that? - HCBBS Forum
85. Can a Type A fitting be connected to a Type B fitting? - HCBBS Forum
86. What does the head loss of a device refer to? - HCBBS Forum
87. Discussion on "Stress Calibration of Hydraulic Test" - HCBBS Forum
88. Equipment condition diagram - HCBBS Forum
89. Selection of gas cabinets - HCBBS Forum
90. How should the pressure of the boiler continuous blowdown expansion tank be calculated in practice? - HCBBS Forum
91. I don’t know what the two values that match on the foreign manufacturer’s equipment data sheet mean See the figure - HCBBS Forum
92. Question regarding flange calculation New - HCBBS Forum
93. Looking for information on the design and manufacturing of multi-layer containers - HCBBS Forum
94. How much does a 1,000-liter inner floating plate weigh approximately? - HCBBS Forum
95. Should heat treatment be carried out at a hydrogen partial pressure of 0.0113 MPa(A)? - HCBBS Forum
96. Boiler desuperheating water - HCBBS Forum
97. I would like to ask whether the length of this cylinder must be at least 300 mm - HCBBS Forum
98. Wet flue gas desulfurization software exchange - HCBBS Forum
99. Welding issues of duplex steel 2205 and carbon steel - HCBBS Forum
100. Looking for Visio software - HCBBS Forum