English — Forum #276 (Page 114/145)

1. Differences between DTB and OSLO crystallizers - HCBBS Forum
2. Discussion on “the assessment of mixture toxicity when the concentration of a certain toxic substance is extremely low” - HCBBS Forum
3. During the emission of hydrogen at 90°C under slight positive pressure, some water vapor is carried away; what equipment can be used to cool and separate these two streams? - HCBBS Forum
4. One of the company’s storage tanks has bulged - HCBBS Forum
5. Searching for manufacturers of molecular sieve distillation equipment design - HCBBS Forum
6. How to determine the regeneration airflow rate for a molecular sieve electric heater? - HCBBS Forum
7. The corrosion is at this level; it’s time to replace it - HCBBS Forum
8. 24Vdc power supply for intrinsically safe devices - HCBBS Forum
9. Problems with 4-ton boilers - HCBBS Forum
10. What materials are generally suitable for ammonium chloride? - HCBBS Forum
11. Regarding pressure pipeline issues - HCBBS Forum
12. The issue of regular observation for basic settlement in tank maintenance - HCBBS Forum
13. The function of laying asphalt bricks in the tank foundation - HCBBS Forum
14. Regarding boiler flow resistance - HCBBS Forum
15. What is the allowable stress for M90 Q345B anchor bolts? - HCBBS Forum
16. I urgently need to have a separator custom-made; please help recommend manufacturers! - HCBBS Forum
17. Regarding flange protective sleeves - HCBBS Forum
18. Familiarity with chemical processing equipment - HCBBS Forum
19. Can the corner steel used at the top of the large tank be replaced with channel steel? - HCBBS Forum
20. Is EN 10204 only applicable to raw materials? - HCBBS Forum
21. When the structural characteristic coefficient (or actual reduction coefficient) k of the boiler header cylinder is ≤ 0.4, does 16507 need to remain synchronized with 16508 without any reinforcement? - HCBBS Forum
22. Is the hourly rate for cranes of different models within the same tonnage class considered equally reasonable? - HCBBS Forum
23. Reaction regeneration system - HCBBS Forum
24. Pressure vessel manufacturing - HCBBS Forum
25. What is the requirement for the Cl ion content in duplex steel 2205? - HCBBS Forum
26. Design data for weight-type safety valves - HCBBS Forum
27. Parking for maintenance - HCBBS Forum
28. Coiled tube heat exchanger - HCBBS Forum
29. HGJ339-91 - HCBBS Forum
30. Is a molten salt furnace a special type of equipment? - HCBBS Forum
31. Is it necessary to sign a subcontract for the head cover work? - HCBBS Forum
32. Can a valve be installed upstream of the safety valve? - HCBBS Forum
33. Are there no temperature requirements for starting up equipment made of 2 1/4Cr-1Mo-1/4V for the first time? - HCBBS Forum
34. A problem encountered in the graduation project; seeking solutions\ud83d\ude02\ud83d\ude02 - HCBBS Forum
35. If the carbon content in 904L material is above the standard, is it still considered qualified if the levels of other elements are within the standard range? - HCBBS Forum
36. How many levels of signatures are allowed on a drawing? - HCBBS Forum
37. It’s two 55-ton circulating fluidized bed waste incinerators. Since the furnace volume was reduced last year, there has been a problem of ash accumulation and coking in the cone section of the separator – why is this happening? >o - HCBBS Forum
38. About the boiler head - HCBBS Forum
39. Polytetrafluoroethylene aging issues - HCBBS Forum
40. A heat exchanger is installed in the high-temperature condensate water circuit to raise the temperature of the closed-loop water circuit; what type of heat exchanger would be suitable for this purpose? - HCBBS Forum
41. Bolt (nut) certificate of conformity - HCBBS Forum
42. Dear teachers, can TIG welding be used for welding 304 stainless steel pipes (with water as the medium and a pressure of 0.5 MPa)? - HCBBS Forum
43. I have a question for all of you experts - HCBBS Forum
44. Is there anyone who understands DR testing technology? - HCBBS Forum
45. Ammonia feeding to the ammonia buffer tank in the SCR denitration unit - HCBBS Forum
46. Attachments welded to the pressure-bearing elements that are essential for the structural integrity of the container - HCBBS Forum
47. R-HIC - HCBBS Forum
48. May I ask, must the boiler steam be continuously vented before it is connected to the grid? - HCBBS Forum
49. Type D gasket - HCBBS Forum
50. Regarding the selection of gaskets - HCBBS Forum
51. Are there any special inspection procedures required for non-standard atmospheric pressure heat exchangers? - HCBBS Forum
52. The maximum operating pressure is indicated on the pressure vessel nameplate – how should this be understood? - HCBBS Forum
53. Seeking help in determining corrosion margin - HCBBS Forum
54. The heat exchanger is clogged - HCBBS Forum
55. Issues with the material of phosphate storage tanks - HCBBS Forum
56. pH meter manufacturers - HCBBS Forum
57. Why cannot gas be used as a pressurizing medium for the pressure test of boiler vessels? - HCBBS Forum
58. Seeking help with COMSOL simulation of fluidized beds - HCBBS Forum
59. Procedures for shifting pressure vessels - HCBBS Forum
60. How to calculate the cross-sectional area of a misaligned economizer - HCBBS Forum
61. Low-temperature liquid nitrogen storage tank - HCBBS Forum
62. Terms for pressure vessels - HCBBS Forum
63. Selection of gas boiler burners - HCBBS Forum
64. Friends with whom I can discuss and ask questions about knowledge - HCBBS Forum
65. Seek reliable manufacturers for double-layer storage tanks - HCBBS Forum
66. Beginner seeking help with the selection and calculation of safety valves - HCBBS Forum
67. Selection of steel pipe material - HCBBS Forum
68. Seek drawings for YLW 2 million kcal horizontal coal-fired heat transfer oil boiler - HCBBS Forum
69. Recommend some manufacturers of gas-fired heat transfer oil boilers that perform well! Thank you - HCBBS Forum
70. Regarding the effective inertial moment Is of the externally pressurized conical shell - HCBBS Forum
71. What type of carbon steel should be used for carbon disulfide materials? - HCBBS Forum
72. How to deal with the deformation of thin-walled containers caused by rolling rollers? ? Waiting online - HCBBS Forum
73. Expert on water quality – boiler water quality. Who can help me analyze it? - HCBBS Forum
74. For the flanges of containers containing highly hazardous media, must the minimum pressure rating be 2.0 MPa or higher? - HCBBS Forum
75. Requirements for radiographic testing - HCBBS Forum
76. Popularization of Knowledge on Pressure Vessels, Volume 2----------------------------------------------- - HCBBS Forum
77. Equipment Weight Table - HCBBS Forum
78. SW6 calculation of reinforcement for openings in spherical heads - HCBBS Forum
79. Small coil heat exchanger for petroleum product sampling cooling - HCBBS Forum
80. PVELite is used for calculating fatigue problems - HCBBS Forum
81. Calculations using FRI software - HCBBS Forum
82. Does discharging through compressed air count as a pressure vessel? - HCBBS Forum
83. I’m looking for a book that compiles the technical requirements for pressure vessels - HCBBS Forum
84. What welding materials are required for welding Titanium 10 and Titanium 2 equipment, and what welding process is the best? Thank you, teachers - HCBBS Forum
85. Effect of temperature difference on water hammer - HCBBS Forum
86. Design of high-pressure hydrogen storage tanks - HCBBS Forum
87. Looking for information on waste heat thermal oil heaters used in carbon factories - HCBBS Forum
88. Wet-back type central re-ignition: Can steam boilers not be modified to use low-nitrogen burners? - HCBBS Forum
89. Were there any training and assessment courses for pressure vessel design approvers in October 2018? - HCBBS Forum
90. Can pre-welded parts be added if they are missing after the container manufacturing is completed? - HCBBS Forum
91. Principles for arranging channel steel on the base plate............................Enter to win............. - HCBBS Forum
92. I’m asking experts to recommend books on small atmospheric pressure hot water boilers - HCBBS Forum
93. High-neck flange: What do TE, TG, and S5 mean in the notes? - HCBBS Forum
94. What are the causes of pipeline cracks and how to deal with them? - HCBBS Forum
95. Ambient temperature for tensile and bending tests of metals or welds - HCBBS Forum
96. Notice on Holding the Training Course on “Case Studies in Pressure Vessel Design and Design Review” - HCBBS Forum
97. 15CrMo material - HCBBS Forum
98. Questions regarding ASME certification - HCBBS Forum
99. Problems with compressed air microheat regenerative dryers - HCBBS Forum
100. How to connect the rising film evaporator heat exchange tube and a 475mm long injection tube - HCBBS Forum