English — Forum #276 (Page 6/144)

1. Calculation of vertical containers - HCBBS Forum
2. Seeking advice from experts - HCBBS Forum
3. Application of Solex heat exchange plates - HCBBS Forum
4. The problem of overlapping heat exchanger supports - HCBBS Forum
5. 1.25Cr-0.5Mo temper brittleness - HCBBS Forum
6. 2011 Boiler Inspector Examination Questions and** - HCBBS Forum
7. Can steel sections be welded into shape, and what are the standards used? - HCBBS Forum
8. 【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
9. Questions regarding the welding process evaluation of heat exchange tubes and tube sheets - HCBBS Forum
10. Supporting methods for inclined-bottom storage tanks - HCBBS Forum
11. Knowledge on valve selection for coal chemical plants - HCBBS Forum
12. How to register for a welder’s certificate? - HCBBS Forum
13. How to calculate the external load on equipment takeover - HCBBS Forum
14. For transport tanks with a pressure of 1.8 MPa, the use of metal wound gaskets at the pressure testing manholes leads to leaks - HCBBS Forum
15. Design of diagonal holes in pressure vessels - HCBBS Forum
16. First domestic **standard for the selection of environmental materials containing hydrogen sulfide revised and released - HCBBS Forum
17. What is the purpose of adding U-bends to the shell of a heat exchanger? - HCBBS Forum
18. Xinrui Mini-Class || Sealing Solutions for Laminating Equipment - HCBBS Forum
19. Gas ejector - HCBBS Forum
20. Pressure vessels on offshore oil platforms - HCBBS Forum
21. Air compressor dryer tower - HCBBS Forum
22. What is an efficient compressed air oil removal filter - HCBBS Forum
23. How to calculate the thickness of the cylinder and the conical head for a tube section with a diameter of 400 on the equipment? - HCBBS Forum
24. [Interpretation of the Special Equipment Safety Law] Article 99 - HCBBS Forum
25. Is an API600 certification requires inspection reports for API624 and API622? ? - HCBBS Forum
26. If the pressure vessel is not put into use after installation, registration for use must be carried out after more than 3 years - HCBBS Forum
27. Development of internal component technologies for hydrogenation reactors at home and abroad - HCBBS Forum
28. Boiler selection - HCBBS Forum
29. Corrosion of 316L by sodium sulfate solution - HCBBS Forum
30. Ultrasonic testing of pressure vessel steel plates - HCBBS Forum
31. 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
32. Some questions regarding the operating pressure and design pressure of reaction vessels - HCBBS Forum
33. Request the technical specifications and performance data for XCMG’s QY25K-1 and QY75K cranes - HCBBS Forum
34. Looking for recommendations for waste heat boiler manufacturers! - HCBBS Forum
35. On the design and manufacture of ion exchange equipment - HCBBS Forum
36. Selection of cyclone separators - HCBBS Forum
37. Seeking everyone’s advice regarding laws and regulations related to pressure pipelines and boilers - HCBBS Forum
38. Procedures and steps for welding process qualification - HCBBS Forum
39. Seeking help with issues regarding the operation of a 3T gas boiler. - HCBBS Forum
40. How to quickly find the center of gravity of a device - HCBBS Forum
41. Differences between two-stage furnaces for converting natural gas to syngas, pure oxygen conversion furnaces for coke oven gas, and POX furnaces for partial gas oxidation - HCBBS Forum
42. 08Ni3DR 08Ni3DR in stock 08Ni3DR price - HCBBS Forum
43. Safety Operating Procedures for Medical Oxygen Chambers - HCBBS Forum
44. How to write the technical requirements for helium leak detection - HCBBS Forum
45. Stress calculation problem - HCBBS Forum
46. Why are two safety valves required to be in use simultaneously in medium-pressure boilers? - HCBBS Forum
47. Hello everyone, regarding the inspection of pressure vessels - HCBBS Forum
48. Regarding NB/T 47008-47010-2017 - HCBBS Forum
49. The issue of classifying large-diameter heat exchangers based on the extreme toxicity of liquid-phase materials - HCBBS Forum
50. I have a question about 12Cr2Mo1R for everyone - HCBBS Forum
51. The boiler manufacturer prepares the production plan; are there specific standards for the project details, or are they determined based on the quality assurance system? - HCBBS Forum
52. 【Ten Years of Rapid Development in Chemical Processing Equipment】2848-2025: Zhanghua Machinery’s production of clean room facilities, TA2G titanium material-based ammonia-containing condensate stripping towers – delivered and handed over - HCBBS Forum
53. Maintenance and calibration of pressure vessel safety valves - HCBBS Forum
54. Treatment of air leakage in concrete flue ducts for boiler exhaust gases - HCBBS Forum
55. [Interpretation of the Special Equipment Safety Law] Article 59 - HCBBS Forum
56. Is it acceptable to use a coefficient of φ of 0.9 for Class B butt joints of pressure vessels containing extremely hazardous or highly hazardous media? - HCBBS Forum
57. Knowledge of welding dissimilar steels - HCBBS Forum
58. Seeking advice on the thread checking formula for ultra-high pressure vessels - HCBBS Forum
59. 3Dpdf Oil collection tank and distribution pipe - HCBBS Forum
60. Cyclone separator design - HCBBS Forum
61. Inspection issues of butt welds on the nozzles of pressure vessels with DN250 and below - HCBBS Forum
62. Can lined manholes be used for Class II and III stainless steel equipment with flammable, explosive and toxic media? - HCBBS Forum
63. SW6 calculation - HCBBS Forum
64. Is it necessary to check the flange ring for clamping connections? - HCBBS Forum
65. Flat-plate enamel condenser - HCBBS Forum
66. Why is the allowable stress for 35CrMoA in ASME so low? - HCBBS Forum
67. What are the many small holes in the fire hose on the tank for? - HCBBS Forum
68. Why is this pressure vessel considered an external device? - HCBBS Forum
69. Regarding pressure vessels that have reached the design service life or have been used for more than 20 years - HCBBS Forum
70. Heat exchanger design issues - HCBBS Forum
71. Whether RT testing is required for Class B joints between WN flanges with DN≤250 and piping, as well as for Class B joints between piping components - HCBBS Forum
72. Treatment of pressure pipeline defects - HCBBS Forum
73. What welding position is this? - HCBBS Forum
74. A collection of common words and their translations in the field of machinery and chemicals. - HCBBS Forum
75. What equipment-related documents are required when applying for a pressure vessel manufacturing license? - HCBBS Forum
76. Comparison of welding properties between low-carbon steel and high-carbon steel - HCBBS Forum
77. Features and key operating points of CO2 shielded welding - HCBBS Forum
78. Spiral blades are wound around the cylinder – how should the curvature of these blades be determined? - HCBBS Forum
79. What is a ROELBJS type of heat exchanger? - HCBBS Forum
80. Method for calculating the hydrostatic test value of the shell side in fixed-tube-sheet heat exchangers in SW6 - HCBBS Forum
81. Regarding the tracer gas for ammonia leak detection, I have a question - HCBBS Forum
82. Let’s do a question together - HCBBS Forum
83. Four major strengthening methods for metal materials - HCBBS Forum
84. [Interpretation of the Special Equipment Safety Law] Article 20 - HCBBS Forum
85. How should the pressure be determined for the hydrostatic testing of pressure vessels? - HCBBS Forum
86. I have a question: is this a self-acting pressure reducing valve? - HCBBS Forum
87. How to fill in the quality grade for ultrasonic testing of pressure vessels - HCBBS Forum
88. What are the problems encountered when calculating the SW6 strength of Q345D pipes, and what are the solutions? - HCBBS Forum
89. Start of centrifugal blower - HCBBS Forum
90. Looking for boiler manufacturers - HCBBS Forum
91. Difference between left-handed and right-handed screw propellers - HCBBS Forum
92. Integrated fine dust removal, desulfurization, and denitration turnkey project - HCBBS Forum
93. Is hydrogen removal treatment required for welding Q235 steel plates with a thickness of 150 mm? - HCBBS Forum
94. Knowledge of constant torque fastening technology - HCBBS Forum
95. For fixed-tube-sheet heat exchangers, as for how to inspect the final circumferential weld, you can take a look at this diagram - HCBBS Forum
96. 【Daily Question】【Static Equipment AC Version... Question 10】 February 10, 2020... True or False question - HCBBS Forum
97. Duplex steel heat exchange tubes do not self-fuse; how can filler wire welding ensure fusion at the root? - HCBBS Forum
98. This problem occurs after SW6 is installed. How to solve it? - HCBBS Forum
99. Mechanics of Materials: Hoop stress, the relationship between circumferential stress and internal forces, thermal expansion, and the difference between expansion due to forces and expansion under stress - HCBBS Forum
100. Regarding the selection of 15CrMo heat exchange tubes - HCBBS Forum