English — Forum #276 (Page 109/145)

1. Argon arc welding defects: what are the causes? - HCBBS Forum
2. Questions about design pressure - HCBBS Forum
3. Weld evaluation, thick and thin butt welds – ask again - HCBBS Forum
4. I want to get a certification in stress analysis, but my company doesn’t have the necessary qualifications - HCBBS Forum
5. Are all the auxiliary equipment containers of nitrogen generation units considered pressure vessels? - HCBBS Forum
6. Dear seniors, how is the working pressure of pressure vessels calculated? Is there a calculation formula? - HCBBS Forum
7. The issue of determining the hydrostatic test pressure for power plant boilers. - HCBBS Forum
8. The steam heating temperature of the rake dryer never rises - HCBBS Forum
9. Verification of boiler strength calculation - HCBBS Forum
10. How tall should the water tank be, with a guardrail on top? - HCBBS Forum
11. Is such a design reasonable? - HCBBS Forum
12. Heat exchanger outlet temperature? - HCBBS Forum
13. Dear teachers, what welding materials are suitable for welding 304 and 316L stainless steel? - HCBBS Forum
14. The issue of the takeover direction - HCBBS Forum
15. How should this container be divided? - HCBBS Forum
16. How to determine the lateral opening reinforcement ring? - HCBBS Forum
17. The acid metering tank is corroded - HCBBS Forum
18. 3D drawing software for pressure vessels - HCBBS Forum
19. Price of coal-fired boilers - HCBBS Forum
20. The design pressure of the liquid nitrogen tank is 3.08 MPa; the designed burst pressure of the rupture disc is 3.38±5%, and the pressure used for routine pressure testing is 3.4 MPa - HCBBS Forum
21. Is an enamel reactor the same as a glass-lined reactor? - HCBBS Forum
22. Can a elbow be directly welded to a flange? - HCBBS Forum
23. Steam boiler for utilizing waste heat from carbon furnaces - HCBBS Forum
24. Selection of liquid level gauge for ammonia pressure oil separator - HCBBS Forum
25. Lost Chinese groundwater - HCBBS Forum
26. Airtightness pressure test - HCBBS Forum
27. Seeking help from experts for English translation - HCBBS Forum
28. Issues related to skid-mounted pressure vessels - HCBBS Forum
29. I have a question for everyone: what is the standard for passing the airtightness test of pressure vessels? - HCBBS Forum
30. Why does scaling still occur in the vaporized water jacket when the hardness is <0.03 mmol/L? ? - HCBBS Forum
31. Boiler level - HCBBS Forum
32. Problems with the rapid discharge valve and shut-off valve of organic heat carrier boilers. - HCBBS Forum
33. Working principle of SBR tank - HCBBS Forum
34. Is heat treatment required for welding chromium-molybdenum steel and Q245R? - HCBBS Forum
35. Issues regarding the supervision and inspection of gas pressure regulating devices (i.e., Special Quality Inspection Letter No. [2016] 46) - HCBBS Forum
36. Purchase request for heat transfer oil furnace - HCBBS Forum
37. Calculate pressure vessel volume and generate a worksheet using some common standard data tables - HCBBS Forum
38. What stamp should be used on the equipment modification order? - HCBBS Forum
39. Notice on Holding the First Training and Assessment Course for Design Approval Personnel and Design Responsible Engineers of Fixed Pressure Vessels - HCBBS Forum
40. Safety issues in the maintenance of cryogenic liquid oxygen storage tanks - HCBBS Forum
41. Pressure retention issue in jacketed vessels - HCBBS Forum
42. Images of the bottom of a heating furnace in a bottom-fired configuration - HCBBS Forum
43. Issues with D2 pressure vessel re-certification experience - HCBBS Forum
44. Can the skirt base be welded directly to the base? - HCBBS Forum
45. During the entire operation of a set of equipment, which devices experience both positive pressure and negative pressure? ? ? - HCBBS Forum
46. When the medium is a liquid, how is the test pressure value determined? - HCBBS Forum
47. Identifying degraded lubricant - HCBBS Forum
48. Newbie question thread - HCBBS Forum
49. The unit pressure for Japanese standard flanges K is equivalent to what pressure according to domestic standards; see figure............... - HCBBS Forum
50. Expansion joint calculation - HCBBS Forum
51. Questions regarding the calculation of SW6 fixed tube sheets - HCBBS Forum
52. Pressure determined - HCBBS Forum
53. What are forgings in the manufacturing process of pressure vessels? - HCBBS Forum
54. Issues related to the annual inspection of pressure vessels - HCBBS Forum
55. Reasons for the discoloration of stainless steel plates - HCBBS Forum
56. Design changes for in-service pressure vessels - HCBBS Forum
57. I have some questions regarding pressure vessel welder qualifications and process qualification; I would appreciate guidance from experts - HCBBS Forum
58. Problems with the quality of boiler water - HCBBS Forum
59. Calculation of boiler heat load - HCBBS Forum
60. How to calculate the design condition FV@232℃ - HCBBS Forum
61. Qualification issues for non-destructive testing personnel - HCBBS Forum
62. Steam recovery - HCBBS Forum
63. Head thinning rate - HCBBS Forum
64. What condition parameters should the process provide for the equipment? - HCBBS Forum
65. Deformation of the foundation ring after inspection holes are drilled in the skirt base - HCBBS Forum
66. What is the maximum possible limit state for the kinetic energy factor of the float valve orifice? - HCBBS Forum
67. What is the minimum and appropriate distance between the bottom of the furnace or backburner chamber and the bottom of the drum in a fuel-gas steam boiler? - HCBBS Forum
68. Introduction to the latest technologies of circulating fluidized bed boilers at Wuxi Boiler Factory - HCBBS Forum
69. Issues regarding hysteresis diagrams in the calculation of the thermal efficiency of heating furnaces. - HCBBS Forum
70. How should the width and length of samples be determined for re-inspection of pressure vessel steel plates upon arrival at the factory? Please provide an answer - HCBBS Forum
71. Is the hydrostatic pressure of the liquid column taken into account when checking the external pressure on the inner cylinder during the hydraulic test of a jacketed vessel? - HCBBS Forum
72. The new version of NB/T47065(JB/T4712-2007)-2018 is about to be implemented; please take a look. - HCBBS Forum
73. Installation and welding requirements for Ω anchor bolts - HCBBS Forum
74. Regarding hydrochloric acid storage tanks - HCBBS Forum
75. Heat treatment area after patching of internal-pressure vertical vessels - HCBBS Forum
76. It took two days to complete the calculations for the AD2000 standard method for ear-type supports - HCBBS Forum
77. Regarding the placement of pressure vessels - HCBBS Forum
78. For gas boilers, what is the recommended value for the heat load based on the furnace volume? - HCBBS Forum
79. Are post-heating and dehydrogenation the same thing? - HCBBS Forum
80. I seek to become a disciple, I really want to become a disciple. - HCBBS Forum
81. Calculation of the roof for double-layer storage tanks with an internal arch roof - HCBBS Forum
82. I would like to ask everyone: how can scale buildup in the shell side of a fixed-tube-sheet heat exchanger be removed? - HCBBS Forum
83. Analysis of transverse cracks in fluorinated rubber elbows - HCBBS Forum
84. Dear teachers, I would like to ask those who have taken the exams for pressure pipeline and bridge crane certificates to share their experiences. Thank you! - HCBBS Forum
85. Pressure vessels, chloromethane, high hazard, explosive; what type of level gauge can be used for a working pressure of 1.3 MPa? - HCBBS Forum
86. deaerator - HCBBS Forum
87. Reboiler distributor - HCBBS Forum
88. Can anyone share some photos of doing UT and MT (already resolved)? - HCBBS Forum
89. What do people use as chemical deoxidizers for boiler feed water? - HCBBS Forum
90. Problems after pickling of submerged arc welds in 304 stainless steel - HCBBS Forum
91. Hydrogen storage tanks need to account for hydrogen corrosion and hydrogen embrittlement - HCBBS Forum
92. The spot welding at the pipe end has penetrated – how should this be dealt with? - HCBBS Forum
93. I would like to ask everyone, where can I purchase the Chinese versions of API650 and API620, and what is their approximate price? - HCBBS Forum
94. The heat exchanger fails to meet the process requirements after being put into use; analyze the reasons - HCBBS Forum
95. May I ask how to determine the locations of the inlet and outlet ports for the flash tanks? - HCBBS Forum
96. We work in the field of fine chemicals, and now we need to obtain a certificate for pressure pipeline inspection - HCBBS Forum
97. Atmospheric pressure stirring vessel - HCBBS Forum
98. -What material should be used for studs and nuts in 120-degree stainless steel equipment? - HCBBS Forum
99. Welding procedure qualification discussions - HCBBS Forum
100. Why were the nominal diameters of pressure vessels φ159, φ377, and φ426 removed, and why not steel pipes of those sizes? - HCBBS Forum