English — Forum #276 (Page 17/145)

1. Transportation design of pressure vessels - HCBBS Forum
2. The technical requirements for purchasing heat exchange tubes should be stated in this way - HCBBS Forum
3. Thinning amount of spherical head - HCBBS Forum
4. Welding defects in pressure vessels and knowledge of heat treatment - HCBBS Forum
5. Principles, criteria, and specific operation methods for pump selection - HCBBS Forum
6. Applications of preheating, post-heating, and post-weld heat treatment - HCBBS Forum
7. 【Ten Years of Rapid Development in Chemical Engineering Equipment】1988–2024: First full-scale tests of liquid hydrogen tanks on vehicles in China using liquid hydrogen as the medium - HCBBS Forum
8. How to select welding wire for steel structure welding - HCBBS Forum
9. Does this table in GB20801 refer to the temperature at which creep occurs? - HCBBS Forum
10. Lanshi Heavy Industry manufactures 4 carbonylation reactors for Inner Mongolia Zhuozheng Coal Chemical’s 600,000 tons/year ethanol production facility - HCBBS Forum
11. GBT4732-2024 study** issues - HCBBS Forum
12. Questions and answers on power plant boilers - HCBBS Forum
13. Specifications and materials of heat exchange tubes - HCBBS Forum
14. Flat washers and spring washers used for bolts - HCBBS Forum
15. Application of modified PTFE under the temperatures and pressures of sterilization and autoclaving processes - HCBBS Forum
16. Guidelines for the Establishment of a System for Classified Control of Safety Risks and the Identification and Rectification of Hidden Dangers in the Use of Pressure Pipelines - HCBBS Forum
17. Do valves smaller than DN50 not require type testing? - HCBBS Forum
18. Common Issues in Pressure Vessel Design – Structural Aspects - HCBBS Forum
19. Understanding the essence of pressure-based leak sealing technology in one article - HCBBS Forum
20. Mannheim furnace - HCBBS Forum
21. Basic knowledge of flux-cored wire arc welding - HCBBS Forum
22. Why is the “p” in pH in lowercase? - HCBBS Forum
23. When is it necessary to evacuate the jacket for testing with liquid carbon dioxide? - HCBBS Forum
24. Safety Operating Procedures for Medical Oxygen Chambers - HCBBS Forum
25. How to write the technical requirements for helium leak detection - HCBBS Forum
26. Fundamentals of Metal Materials: Metal Segregation - HCBBS Forum
27. Comprehensive Guide to the Use of Reinforcement Rings in Pressure Vessels - HCBBS Forum
28. What is the radiation chamber of a heating furnace? Convection chamber? [Video] - HCBBS Forum
29. When considering steel plates made of material S32205 (S22053), whether to prefer electrodes or welding wires is determined solely based on welding properties - HCBBS Forum
30. Principles for selecting storage tanks - HCBBS Forum
31. Corrosion issues in low-temperature insulated pipelines - HCBBS Forum
32. Which people in chemical enterprises need a background in chemistry, chemical engineering, and safety? - HCBBS Forum
33. Heat transfer oil system oil-gas separator - HCBBS Forum
34. Who is responsible for monitoring the settlement of storage tanks - HCBBS Forum
35. Why is it necessary to examine the heat-affected zone during weld qualification impact tests? The heat-affected zone does not belong to the weld itself. - HCBBS Forum
36. Heated pipeline - HCBBS Forum
37. The key differences among the five grades Q345A, Q345B, Q345C, Q345D, and Q345E - HCBBS Forum
38. 【Ten Years of Rapid Development in Chemical Equipment】2038–2024: POX Process (catalyst-free conversion using pure oxygen) for syngas production – conversion reactors and waste heat boilers - HCBBS Forum
39. User 15269377660 is copying articles from public accounts everywhere without indicating the source? - HCBBS Forum
40. Must the qualification for on-site fabrication of pressure vessels exceeding regulatory limits be A3? - HCBBS Forum
41. Bellows-sealed, fin-type ball valve – has anyone used it? A reply will be rewarded - HCBBS Forum
42. What is the difference between ANSI and ASME flanges? - HCBBS Forum
43. Pressure Vessel Design Review Question Bank (Short Answer Questions 3/3) - HCBBS Forum
44. Issues related to weld replacement in GB/T 150.4 - HCBBS Forum
45. Appendix F of GB/T 150-2024: Discussion on the impact test temperature when the design temperature is lower than the minimum operating temperature specified in GB150.2 - HCBBS Forum
46. Technical specifications for the procurement of steel plates for hydrogen sulfide use - HCBBS Forum
47. What are the differences between 7075 and 6061 aluminum alloys? - HCBBS Forum
48. Eight things to note and nine major issues in stainless steel welding - HCBBS Forum
49. Core technology of falling film evaporators - HCBBS Forum
50. The container support I drew - HCBBS Forum
51. How is the calculated thickness for external pressure calculations determined? - HCBBS Forum
52. Why does the bearing temperature rise even after lubricant has been applied? - HCBBS Forum
53. droplets and molten pool - HCBBS Forum
54. 【Ten Years of Rapid Development in Chemical Equipment】2166–2019: Zirconium-based acetic acid water separation tower for a 500,000-ton acetic acid production plant built in Nanjing - HCBBS Forum
55. Standards for O-rings: An introductory article - HCBBS Forum
56. What are the three main safety accessories of a boiler? - HCBBS Forum
57. Application of ultrasonic flaw detection technology in non-destructive testing - HCBBS Forum
58. “The harm of voltage sags to enterprise production, and solutions for addressing voltage sags? - HCBBS Forum
59. Pipeline Material Table - HCBBS Forum
60. How to properly use the mechanical seal of high-temperature resistant chemical pumps - HCBBS Forum
61. “Does the “stirring flange” need to meet the dimensional requirement of “full penetration”? - HCBBS Forum
62. Management System for the Procurement, Installation, Modification, and Repair of Special Equipment - HCBBS Forum
63. Enterprise On-site Safety Hazard Inspection Manual - HCBBS Forum
64. Control equipment maintenance costs - HCBBS Forum
65. Oxidation and decarburization - HCBBS Forum
66. Is radiographic inspection required for the weld joints between the flange and the head? - HCBBS Forum
67. Post-weld heat treatment (PWHT): Why is stress relief important? - HCBBS Forum
68. Low-temperature and low-stress conditions in long-distance pipeline specifications - HCBBS Forum
69. Differences between side-fired furnaces, bottom-fired furnaces, and top-fired furnaces - HCBBS Forum
70. Pressure relief valve - HCBBS Forum
71. Why is the ammonia nitrogen very low while the total nitrogen is very high? - HCBBS Forum
72. The 6 basic principles of equipment maintenance - HCBBS Forum
73. Similarities and differences in the design and manufacturing of low-temperature quenched and tempered high-strength steel spherical tanks and conventional low-alloy steel spherical tanks - HCBBS Forum
74. What type of safety valve should be used for extremely hazardous media? - HCBBS Forum
75. During the manufacturing process, can the steel plate still be used after its surface is damaged? - HCBBS Forum
76. Why should the change in exhaust gas temperature be monitored frequently while the boiler is in operation? - HCBBS Forum
77. I’m looking for a hardcopy version of the “Training Manual for Pressure Vessel Designers” published by Sinopec in 2003 – I need the printed book - HCBBS Forum
78. How to choose valves for hydrogen production systems? - HCBBS Forum
79. Design service life of the container - HCBBS Forum
80. What are the differences between the ferritic structure of 430 stainless steel and the austenitic structures of 304 and 316 stainless steels? - HCBBS Forum
81. 6 basic rules for piping centrifugal pumps - HCBBS Forum
82. Technical Introduction | Stick Welding - HCBBS Forum
83. What are the advantages of using TIG welding for the root pass? - HCBBS Forum
84. Regarding the issue of the equipment category for semi-coiled tube reactors - HCBBS Forum
85. Heat exchange efficiency of the heat exchanger - HCBBS Forum
86. Safety valve installation requirements - HCBBS Forum
87. Why are double saddles the best choice for horizontal containers? - HCBBS Forum
88. Pump barring - HCBBS Forum
89. Summary of key points in inspection and testing - HCBBS Forum
90. To eliminate quality defects, you can do this - HCBBS Forum
91. How do the mixing method and speed of the reaction vessel affect the reaction? - HCBBS Forum
92. Material issues with potassium hydroxide equipment - HCBBS Forum
93. 【Ten Years of Great Development in Chemical Equipment】2056-2024 – Amazing! ! Components manufactured by the chemical machinery factory contributed to the successful launch of the Long March 12 rocket - HCBBS Forum
94. Safety valve on supercritical CO₂ compressor equipment - HCBBS Forum
95. For ASME standards, lateral bending is not allowed when it is less than 10 mm; then how can the two welding methods be used for 8 mm? - HCBBS Forum
96. Design of large storage tanks: For sulfuric acid storage tanks, which is better – an inlet at the top or at the bottom? - HCBBS Forum
97. Falling film evaporator - HCBBS Forum
98. Solution treatment and stabilization treatment of austenitic stainless steels - HCBBS Forum
99. Linde delivers world’s largest liquid hydrogen trailer with a payload of 3.9 tons, representing a 50% increase in capacity - HCBBS Forum
100. Quick Overview of Submerged Arc Welding Flux Classification and Key Performance Requirements - HCBBS Forum