English — Forum #276 (Page 23/145)

1. Regarding the classification of conical heads in GB/T25198-2023 - HCBBS Forum
2. Seeking help with training materials on \"Operation of Tank Installation in Tank Farm\" - HCBBS Forum
3. Pressure vessel design recertification - HCBBS Forum
4. Issues regarding the external pressure calculation of long cylinders - HCBBS Forum
5. Q&A on Tubular Heating Furnace Technology [19] - HCBBS Forum
6. Analysis of the reasons for unqualified impact energy of welds in ethylene spheres and discussion on impact energy values--Ji Zhanghong - HCBBS Forum
7. Selection of flange studs under high pressure, high temperature, low temperature, and fatigue conditions - HCBBS Forum
8. Limitations and application scope of microchannel reactors - HCBBS Forum
9. Basic models of stainless steel - HCBBS Forum
10. The difference between superheated steam and saturated steam - HCBBS Forum
11. Value of A in saddle calculation - HCBBS Forum
12. For butt joints with unequal thicknesses, should the weld thickness at the flange trimming area be considered to be greater than the minimum forming thickness of the flange? - HCBBS Forum
13. Working principle and function of the flash tank - HCBBS Forum
14. The main reason for excessive vibration of the mixer - HCBBS Forum
15. Calories, kilocalories, joules, watts, standard coal – heat unit conversions - HCBBS Forum
16. 11 indicators for equipment management - HCBBS Forum
17. Acid cleaning plan for the compressor body pipelines of methane gas liquefaction units - HCBBS Forum
18. What kind of gasket is suitable for use in chlorine processing equipment? - HCBBS Forum
19. How to calculate the external load on LAP flanges - HCBBS Forum
20. On the basic principles of single-sided welding for double-sided forming - HCBBS Forum
21. Typical issues in the management of special operations in chemical enterprises - HCBBS Forum
22. Exploration of the causes of corrosion - HCBBS Forum
23. None None None None None - HCBBS Forum
24. Q&A on Basic Knowledge of Centrifugal Pumps - HCBBS Forum
25. Management of concealed works - HCBBS Forum
26. Reasons for boiler tube rupture - HCBBS Forum
27. Skid-mounted pressure vessel system - HCBBS Forum
28. Centrifugal flash degassing module - HCBBS Forum
29. 【Haichuan Expands Horizons】Do you know how the process of local high-frequency quenching works? - HCBBS Forum
30. Equipment and Vehicle Turning Over Management System - HCBBS Forum
31. Seeking advice on heat exchanger design and material selection - HCBBS Forum
32. Causes of metal hydrogen embrittlement and solutions - HCBBS Forum
33. When the gasket is made of annealed copper, how should the material for the gasket in SW6 be selected? - HCBBS Forum
34. New version of standards for steel plates used in pressure equipment – Part 7: Austenitic stainless steels – Why are impact data at 20°C included? - HCBBS Forum
35. Issues with equipment material selection - HCBBS Forum
36. Welding of nickel and nickel alloys - HCBBS Forum
37. What determines the setting pressure of a safety valve? - HCBBS Forum
38. Complete method for expressing equipment specifications - HCBBS Forum
39. Five common problems in welding thick plates in steel structures and their solutions - HCBBS Forum
40. Is this an anchor bolt or an expansion bolt? - HCBBS Forum
41. Analysis of the toughness of steel and the causes of fracture - HCBBS Forum
42. The four common phenomena in the heat treatment process - HCBBS Forum
43. Can half-pipe jacketed vessels be subjected to air pressure tests? - HCBBS Forum
44. Knowledge on valve selection for coal chemical plants - HCBBS Forum
45. SAF. ;3006---A completely new and advanced super duplex steel tube developed specifically for acidic environments - HCBBS Forum
46. I would like to implement nitrogen recycling; I would like to ask about the minimum nitrogen level required for the nitrogen protection system - HCBBS Forum
47. Operating Procedures for Pressure Vessels - HCBBS Forum
48. Solve common problems in austenitic stainless steel welding at once - HCBBS Forum
49. Reasons for the white color of wastewater from boiler water and solutions - HCBBS Forum
50. For studying materials, this is essential foundational knowledge - HCBBS Forum
51. What design standards must be followed for lining a atmospheric pressure storage tank with PTFE? - HCBBS Forum
52. 【Haichuan Equipment Guessing Game】What a big balloon! - HCBBS Forum
53. Pilot-operated safety valve - HCBBS Forum
54. What are the standard numbers for square tubes and rectangular tubes used in steel structures? - HCBBS Forum
55. Basic technical terms - HCBBS Forum
56. Sharing common cold and freeze prevention measures used in power plants - HCBBS Forum
57. Thermal calculation of bulged plate air preheaters - HCBBS Forum
58. What does 48 on the bolt represent? - HCBBS Forum
59. Selection of the three series of HG20553 - HCBBS Forum
60. 20 Issues in Welding Procedure Qualification - HCBBS Forum
61. Tasks, objectives, and significance of equipment management - HCBBS Forum
62. Welding defects in pressure vessels and knowledge of heat treatment - HCBBS Forum
63. Summary of Commonly Applied Standards for Pressure Vessels Implemented Recently (June 2023 to Present) - HCBBS Forum
64. Q&A on Ammonia Synthesis Plants - HCBBS Forum
65. Issue with the hydrostatic test pressure value - HCBBS Forum
66. AUTO CAD font - HCBBS Forum
67. Please help, R3/8 pipe external thread processing drawing - HCBBS Forum
68. Sample Questions for the 2023 Simulation Exam on Safety Management of Boilers, Pressure Vessels, and Pressure Pipelines (Partial) - HCBBS Forum
69. New head standards, the new GB/T 713 series of standards, officially released - HCBBS Forum
70. How to determine the backpressure for fly ash filters - HCBBS Forum
71. Pressure adjustment and operating procedures for safety valves - HCBBS Forum
72. 【Ten Years of Great Development in Chemical Engineering Equipment】The project \"Development of Domestic HIC Thick-Plate High-Pressure Vessels 1313-2023\" passed the appraisal - HCBBS Forum
73. After the responsibility for rule design of pressure vessels was delegated to provincial regulatory authorities, how can applications for renewal permits be submitted for rule design and analytical design? - HCBBS Forum
74. What should be noted during the trial operation of a mixing container - HCBBS Forum
75. Seeking help for retesting - HCBBS Forum
76. Ten aspects affecting the distillation process - HCBBS Forum
77. 【Ten Years of Rapid Development in Chemical Equipment】1340–2022: Development of the core equipment for the world’s first 10,000-ton per year polylactic acid production facility - HCBBS Forum
78. Q&A on Tubular Heating Furnace Technology [21] - HCBBS Forum
79. What are the necessary conditions for heating deaeration in a deaerator? - HCBBS Forum
80. Airtightness test of liquid carbon dioxide spheres - HCBBS Forum
81. Could some expert please explain the internal working principle of the top part of the cyclic hydrogen desulfurization tank in our facility? - HCBBS Forum
82. Appendix 1: Draft for Comments on the Design Code for Acid and Alkali Tank Areas - HCBBS Forum
83. Study on white spots in 42CrMo steel forgings - HCBBS Forum
84. Q&A on Tubular Heating Furnace Technology [1] - HCBBS Forum
85. Methods to distinguish between stainless steel and stainless iron - HCBBS Forum
86. Management processes, management systems, and implementation plans for equipment use and maintenance - HCBBS Forum
87. Renovation of 35-ton circulating fluidized bed cogeneration boiler - HCBBS Forum
88. How to determine the setting pressure of a safety valve when both the design pressure and the maximum allowable operating pressure are present? - HCBBS Forum
89. Process parameters of friction stir welding, types of defects, and detection methods - HCBBS Forum
90. Technical Instructions for the Installation of Spherical Storage Tanks - HCBBS Forum
91. Fundamentals of Heat Treatment for Pressure Vessels - HCBBS Forum
92. List of Risk Control Measures for the Quality and Safety of Pressure Vessels - HCBBS Forum
93. Problems in determining the allowable stress of the butt welded joint between skirt and tower shell - HCBBS Forum
94. Basic Knowledge of Chemical Equipment Operation - HCBBS Forum
95. 8 common metal materials - HCBBS Forum
96. What welding tests are required for Hastelloy? - HCBBS Forum
97. Analysis of the causes of steel fracture - HCBBS Forum
98. Technical requirements and quality control for duplex stainless steel materials - HCBBS Forum
99. Management approaches and measures to improve equipment utilization and reduce maintenance costs - HCBBS Forum
100. Does anyone have the exam questions for pressure vessel designers? - HCBBS Forum