English — Forum #276 (Page 54/145)

1. Making indentations in stainless steel cones - HCBBS Forum
2. I can’t understand how the bending moment formula is derived; I need help - HCBBS Forum
3. Material selection for cyanoacetic acid storage tanks - HCBBS Forum
4. The \"9·24\" pressure vessel accident in Jiyang, Shandong - HCBBS Forum
5. Is the frequent breaking of the inlet valve on the third stage of the new hydrogen compressor related to the unloader? - HCBBS Forum
6. How is the accurate cutting dimension of the cylinder body calculated? - HCBBS Forum
7. How to calculate the exhaust volume of an atmospheric deaerator - HCBBS Forum
8. Is the certification exam for pressure vessel auditors currently held in Jiangsu or nationwide? - HCBBS Forum
9. Metrics for equipment management - HCBBS Forum
10. What is the difference between cast valves and forged valves, and which one is better? - HCBBS Forum
11. Heat treatment methods for titanium - HCBBS Forum
12. When a pressure vessel is completed and undergoes a hydrostatic test, does it need to have a safety valve installed? - HCBBS Forum
13. Calculation of weight and volume for standard elliptical heads - HCBBS Forum
14. Chemical equipment - HCBBS Forum
15. Who understands the principle of self-acting control valves in circulating water pipelines? Please explain it. - HCBBS Forum
16. Introduction to the four main factors affecting the fatigue strength of welded joints - HCBBS Forum
17. Pickling and passivation of stainless steel - HCBBS Forum
18. On-site installation of towers - HCBBS Forum
19. [Interpretation of the Special Equipment Safety Law] Article 73 - HCBBS Forum
20. For the material that was self-tested using a spectrometer, could you please help identify what material it is? - HCBBS Forum
21. Protection of hydrogenation reactors during operation - HCBBS Forum
22. If one side of the heat exchanger’s tube sheet is flanged while the other side isn’t, how is the thickness determined? - HCBBS Forum
23. Are the water wall and drum of the boiler connected? Is the pressure equal inside the water wall and the drum? - HCBBS Forum
24. Training Book for Skill Assessment of Skilled Workers -- Practical Welder’s Manual - HCBBS Forum
25. Pressure vessel maintenance - HCBBS Forum
26. Energy-saving measures for air compressor systems, learned* - HCBBS Forum
27. Material preparation for pressure vessels - HCBBS Forum
28. In the heat treatment order for pressure vessels, who is the client: the process engineer or the quality inspector? - HCBBS Forum
29. [Interpretation of the Special Equipment Safety Law] Article 81 - HCBBS Forum
30. Selection of materials for alkaline substances - HCBBS Forum
31. 【One Question per Day】 - HCBBS Forum
32. The ten most overlooked issues in welding - HCBBS Forum
33. Selection of the maximum value of the horizontal seismic influence coefficient for towers in earthquakes of magnitude 6 - HCBBS Forum
34. How to model a counterbored hole - HCBBS Forum
35. Under the new regulations, how will the qualifications of design personnel and design approval officers in design firms be determined? - HCBBS Forum
36. What is the fire protection rating of the denitration device that uses urea for dissolution? - HCBBS Forum
37. I’d like to ask gently: The Special Inspection Agency conducts at least one inspection each year of the operation of the quality management systems and of any changes in the resource conditions of manufacturers of pressure-bearing special equipment. Apart from this regulation... - HCBBS Forum
38. Comprehensive Catalog of Static Equipment 2.9 [Dust Removal and Purification Equipment Design and Maintenance] List (no attachments) - HCBBS Forum
39. Reinforcement and structural design of concrete foundation for horizontal tanks - HCBBS Forum
40. Float type: Fully submerged float – what does a buoy-type float look like? - HCBBS Forum
41. The temperature of dehydrogenation heat treatment and its purpose - HCBBS Forum
42. Question: Some doubts regarding bolts and nuts? - HCBBS Forum
43. How to set the setting pressure of the spherical tank safety valve - HCBBS Forum
44. Review of three new technologies - HCBBS Forum
45. Steel resistant to hydrogen sulfide stress corrosion - HCBBS Forum
46. Basic principles for formulating TSG 21-2016, the Code on Large Vessels - HCBBS Forum
47. How do whole-process engineering consulting firms conduct design management under the EPC model? - HCBBS Forum
48. What are the basic requirements for the safe operation of pressure vessels? - HCBBS Forum
49. Summary of 7 major problems in evaporative crystallization - HCBBS Forum
50. What are the general principles for selecting pipes and pipe fittings? - HCBBS Forum
51. Is non-destructive testing required for spliced liners in liner flanges? - HCBBS Forum
52. Detailed explanation of yield strength - HCBBS Forum
53. Requirements for non-destructive testing of lifting lugs - HCBBS Forum
54. The main steps of chemical cleaning - HCBBS Forum
55. Four methods you should know for root welding of stainless steel pipes using TIG welding - HCBBS Forum
56. For 16MM thick 16MNDR material with a medium of hydrochloric acid and calcium chloride, is weld post-heat treatment required for the equipment? - HCBBS Forum
57. Basic knowledge of corrosion prevention in petrochemical enterprises - HCBBS Forum
58. How to adjust the welding current - HCBBS Forum
59. In the north, the ambient temperature can drop below minus 20°C – should low-temperature materials be used for the selection of pipes and containers in such conditions? Still low temperature and low stress? - HCBBS Forum
60. Issues with the location of the connections for the ball tank level gauge - HCBBS Forum
61. Calculation issues for the intermediate skirt of vertical heat exchangers - HCBBS Forum
62. What level of standards does the capacity regulation belong to? - HCBBS Forum
63. The main manufacturing processes for pressure vessels - HCBBS Forum
64. Problems with large internal floating roof storage tanks - HCBBS Forum
65. Welding stress and deformation of pressure vessels - HCBBS Forum
66. How often should oil lubricated air compressor oil be replaced? - HCBBS Forum
67. I often hear people talk about a “process package” – but what exactly does it include? - HCBBS Forum
68. Issues with boiler qualifications? - HCBBS Forum
69. Heat treatment of cold-formed compressed members after over-deformation? - HCBBS Forum
70. Difference between normalized Q345R and Q345R - HCBBS Forum
71. Discussion on methods for preventing bolt rust - HCBBS Forum
72. Calibration cycle for crude oil tank capacity - HCBBS Forum
73. Pre-register for the 2021 Haiyou Gathering! Shanghai! (Online registration comes with the latest Haichuan version umbrella) Free access to the related conference is also available - HCBBS Forum
74. Principles for substituting materials in pressure vessels - HCBBS Forum
75. Deformation control in pressure vessel manufacturing - HCBBS Forum
76. I would like to ask whether wave-shaped gaskets can be reused? Thank you! - HCBBS Forum
77. Leak testing issues for storage tanks - HCBBS Forum
78. Main factors affecting the sealing performance of flanges - HCBBS Forum
79. When calculating the ear supports for the SW6 vertical container module, it is not possible to carry out the calculation - HCBBS Forum
80. Distillation towers and automatic control - HCBBS Forum
81. Regulations on the storage, painting, packaging, and handling of pressure vessel products - HCBBS Forum
82. Which code should be used to calculate the wall thickness of a tank with a volume of 2,000 cubic meters at normal pressure (with a design pressure of around 1 kPa)? - HCBBS Forum
83. Seeking advice on the installation of a pressure relief valve - HCBBS Forum
84. Classification of welding procedure qualification specimens - HCBBS Forum
85. There are coils inside the storage tank, and steam is passed through these coils; how can the temperature inside the tank be kept above 100 degrees? - HCBBS Forum
86. Unsaturated resin storage tank - HCBBS Forum
87. Center of gravity marker - HCBBS Forum
88. Height difference between the tank top ladder platform and the walkway along the tank top edge - HCBBS Forum
89. Summary of Technical Requirements for Pressure Vessels (45) - HCBBS Forum
90. The impact of moist electrodes on welding quality, and how to identify moist electrodes - HCBBS Forum
91. Main stressed components: S30408, S30408Ⅱ, S30408Ⅲ - HCBBS Forum
92. Can galvanized pipes be used for the direct climbing ladder of storage tanks? - HCBBS Forum
93. Effect of alloying elements in welding wires on weldability - HCBBS Forum
94. Summary of Technical Requirements for Pressure Vessels (34) - HCBBS Forum
95. [Interpretation of the Special Equipment Safety Law] Article 41 - HCBBS Forum
96. Can the cladding layer in composite panel materials be disregarded as a compressive element or a primary compressive element? - HCBBS Forum
97. Can 316L steel pipes be welded directly to the wall of a water tank? - HCBBS Forum
98. I need help, guys. Please explain pressure pipelines to me - HCBBS Forum
99. [Interpretation of the Special Equipment Safety Law] Article 2** - HCBBS Forum
100. One extra hole on the flange surface - HCBBS Forum