English — Forum #276 (Page 12/145)

1. Steel surface treatment rust removal grade standards - HCBBS Forum
2. Maintenance and troubleshooting of horizontal spiral centrifuges - HCBBS Forum
3. Gas-liquid cyclone separator - HCBBS Forum
4. Pipeline static electricity bonding - HCBBS Forum
5. Medium carbon steel is difficult to weld; how should it be welded? - HCBBS Forum
6. How should the technical requirements on the tube sheet processing drawings be specified? - HCBBS Forum
7. Welding process parameters - HCBBS Forum
8. Installation standards for lightning protection devices in petrochemical storage tanks - HCBBS Forum
9. 14 hydrogen balloon tanks for the hydrogen production unit of the Deep Energy Otogon Banner wind-solar hydrogen production integrated green ammonia project - HCBBS Forum
10. Extractant - HCBBS Forum
11. Excessively long protrusion of flange bolts affects the preload - HCBBS Forum
12. Contents and quality standards for minor and major repairs of centrifugal pumps - HCBBS Forum
13. Difference between long-radius and short-radius elbows - HCBBS Forum
14. Oxidation and decarburization - HCBBS Forum
15. Pores, inclusions and slag inclusions and preventive measures - HCBBS Forum
16. Why do large piston compressors require water? - HCBBS Forum
17. Stress relief methods - HCBBS Forum
18. How to set the on/off status for the safety valve backup and cut-off valve - HCBBS Forum
19. How should the yield strength of steel plates with varying thicknesses be considered? - HCBBS Forum
20. Similarities and differences in the design and manufacturing of low-temperature quenched and tempered high-strength steel spherical tanks and ordinary low-alloy steel spherical tanks - HCBBS Forum
21. What’s the difference between stiffness, strength, and hardness? - HCBBS Forum
22. Can flux-cored wire be used for welding between pressure-bearing components of pressure vessels, as well as between pressure-bearing and non-pressure-bearing components? - HCBBS Forum
23. "Does a gauge fall under the category of \"safety accessories\" for pressure vessels? - HCBBS Forum
24. Welded joint - HCBBS Forum
25. The influence of carbon and impurities on steel properties - HCBBS Forum
26. Pressure vessel sight glass - HCBBS Forum
27. For Q370R spherical tanks, what is the hardness after heat treatment, for the base material, the heat-affected zone, and the welds? - HCBBS Forum
28. Foundation bolts - HCBBS Forum
29. hypoeutectoid steel and hypereutectoid steel - HCBBS Forum
30. Detailed explanation of issues related to the metallography, properties, and processing of stainless steel - HCBBS Forum
31. Magnetic particle testing - HCBBS Forum
32. Differences between intelligent welding technology and traditional welding technology - HCBBS Forum
33. Stainless steel wire mesh demister - HCBBS Forum
34. The design temperature for austenitic stainless steel containers is -150 degrees Celsius; is it necessary to measure the ferrite content in the head? - HCBBS Forum
35. Design calculations for high and low liquid levels in storage tanks - HCBBS Forum
36. What is the process for publishing papers to use in applying for professional titles? - HCBBS Forum
37. Welcome ZJ_xz (UID: 920974) as the moderator of the static equipment version - HCBBS Forum
38. Causes of cracks and preventive measures - HCBBS Forum
39. The ethylene distillation tower for the 1.65 million tons/year ethylene plant in Hanyang Heavy Industry’s Huajin AMEC fine chemicals and raw materials project was delivered - HCBBS Forum
40. Refer to the table for selecting the K value of the heat exchanger - HCBBS Forum
41. Causes of corrosion in air cooler tube bundles and protective measures - HCBBS Forum
42. What does an angular bellows compensator look like? - HCBBS Forum
43. Flow pattern of the stirrer - HCBBS Forum
44. LANSHI HEAVY MACHINERY QINGDAO is responsible for constructing the hydrogenation reactor with a wall thickness of 226 millimeters for the second phase of the expansion and renovation project of Zhejiang Petrochemical’s 3.5 million tons per year diesel hydrocracking unit - HCBBS Forum
45. 【Ten Years of Rapid Development in Chemical Equipment】From 1811 to 2024: Successful development of zirconium alloy tube sheets for core equipment in PTA plants - HCBBS Forum
46. Calculation of the setting pressure for safety valves - HCBBS Forum
47. Can high-pressure vessels use oval end caps? - HCBBS Forum
48. Methods of expressing corrosion rate - HCBBS Forum
49. How to improve the load-bearing capacity of the cylinder? Cylinder self-reinforcement technology - HCBBS Forum
50. Main energy-saving and consumption-reducing technical measures in chemical processes - HCBBS Forum
51. Selection of gaskets for pressure vessels - HCBBS Forum
52. Hydrogenation reactor - HCBBS Forum
53. Mechanics of Materials: Does the character “ Should” in stress mean “to respond”? - HCBBS Forum
54. Why does ammonia escape? - HCBBS Forum
55. Some key factors for achieving disturbance-free fast switching - HCBBS Forum
56. Seek guidance and explanation from experts - HCBBS Forum
57. Operation mechanism and common faults of centrifugal compressors - HCBBS Forum
58. Engineering technology for liquefied hydrocarbon spherical tank stations - HCBBS Forum
59. Process evaluation, process specifications - HCBBS Forum
60. Which type of corner joint is good? - HCBBS Forum
61. Why are the roughness values 0.8, 1.6, 3.2, 6.3, 12.5? - HCBBS Forum
62. Do static equipment tanks now necessarily require design foot bolts? - HCBBS Forum
63. Do reinforcement rings need to meet the minimum design temperature? - HCBBS Forum
64. Why are pneumatic valves rather than electric valves commonly used for important valves in power plants? - HCBBS Forum
65. Principles for pipeline material selection in hydrogenation units - HCBBS Forum
66. SA210C corresponds to the domestic equivalent grade; thank you - HCBBS Forum
67. How should one select the appropriate pressure and volume for hydrogen spherical tanks? - HCBBS Forum
68. It’s very hard to understand the Gas Cylinders Association’s approach - HCBBS Forum
69. Comprehensive list of explosion-proof tools in Cangzhou Bohai area – requests - HCBBS Forum
70. Forming of conical heads for pressure vessels - HCBBS Forum
71. Pressure Vessel Analysis and Design Reviewer - HCBBS Forum
72. Stainless steel welding - HCBBS Forum
73. When is it necessary to add a buffer plate at the container inlet? - HCBBS Forum
74. Is post-weld heat treatment (PWHT) always beneficial? - HCBBS Forum
75. Corrosion of stainless steel equipment in chemical plants and repair welding - HCBBS Forum
76. Radiographic and ultrasonic testing of the weld joints between the inserted and fixed nozzles and the cylinder and head? - HCBBS Forum
77. Process for connecting tube sheets and heat exchange tubes - HCBBS Forum
78. Stability and stress classification control questions - HCBBS Forum
79. Approaches, procedures, and basic skills for failure analysis - HCBBS Forum
80. Problems with the use of low-temperature steel plates - HCBBS Forum
81. To eliminate quality errors, you can do this - HCBBS Forum
82. What factors need to be considered in pipeline design? - HCBBS Forum
83. Management of special equipment - HCBBS Forum
84. Where does the water in the compressor system come from? - HCBBS Forum
85. Basic principles for selecting welding materials - HCBBS Forum
86. Summary of water treatment knowledge - HCBBS Forum
87. Rolling process - HCBBS Forum
88. How is the thickness for post-weld heat treatment determined? - HCBBS Forum
89. Discussion on Issues in the Implementation of the New Version of GB150 - HCBBS Forum
90. On the design of fittings with jackets - HCBBS Forum
91. Major design changes in the chemical industry - HCBBS Forum
92. Requirements for the annual inspection of pressure pipelines - HCBBS Forum
93. Overheating and overburning - HCBBS Forum
94. Application scope of spiral plate heat exchangers - HCBBS Forum
95. What are the specific parameters of AC servo motors? - HCBBS Forum
96. Should a butt joint with unequal thickness use the thinner component? Is the short heat treatment holding time sufficient for thick plates? - HCBBS Forum
97. How to eliminate valve cavitation - HCBBS Forum
98. The influence of forging on the metal microstructure and properties of forgings, as well as defects - HCBBS Forum
99. Welding symbol identification - HCBBS Forum
100. Questions regarding the requirement to prepare test plates after welding with cored wire in the new GB/T 150 - HCBBS Forum