English — Forum #276 (Page 142/145)

1. Finite element analysis of reinforcement for large square openings in elliptical heads - HCBBS Forum
2. Seeking help for 100t/h coal powder furnace - HCBBS Forum
3. Drawings for 3,000 cubic meter asphalt storage tanks, urgently needed; price is negotiable - HCBBS Forum
4. Calculation of non-circular atmospheric pressure vessels - HCBBS Forum
5. How to calculate and label DN2500 saddles - HCBBS Forum
6. Half-pipe jacket hydrotest pressure? - HCBBS Forum
7. Can the neck of a long-neck flange be used for reinforcement? - HCBBS Forum
8. AD2000 standard issues - HCBBS Forum
9. Is the B value required to be interpolated based on the design temperature in external pressure calculations? - HCBBS Forum
10. Request for quotes: ASME separators and scrubbers made of composite panels – Pressure vessel-separator & scrubber RFQ - HCBBS Forum
11. Skirt barrel transition section material - HCBBS Forum
12. Enameled tube, air preheater - HCBBS Forum
13. Does an enamel kettle with a jacket qualify as a pressure vessel? - HCBBS Forum
14. Introduction to plastic filler materials (PP/PE/PVC, etc.) - HCBBS Forum
15. What is the standard for round steel in support-type bearings? - HCBBS Forum
16. U-tube heat exchanger model meaning help - HCBBS Forum
17. How should the process for pressure vessels be carried out? - HCBBS Forum
18. The lugs generated by HGCAD do not match the container - HCBBS Forum
19. Radiographic inspection of sealed welds - HCBBS Forum
20. Thermal deaeration - HCBBS Forum
21. Refractory materials for steam boilers? - HCBBS Forum
22. Leak in the tube sheet weld of the drum heat exchanger - HCBBS Forum
23. Nickel and nickel alloys - HCBBS Forum
24. Seeking advice on the design of vertical tank with internal partitions – a tank for storing two types of materials - HCBBS Forum
25. The issue of reinforcing openings during takeover - HCBBS Forum
26. How to understand 3.1.4.4.1(12) in TSG21-2016? - HCBBS Forum
27. Is a design signature required for the substitute materials of pressure components in atmospheric-pressure vessels? - HCBBS Forum
28. The issue of impact energy for weld evaluation of pressure vessels - HCBBS Forum
29. What is the typical diameter of the heating coils in crude oil storage tanks? - HCBBS Forum
30. Weird stop valve - HCBBS Forum
31. Allowable bending moment of the cylinder at the ear support - HCBBS Forum
32. The desulfurization and dust removal of the boiler have been automated - HCBBS Forum
33. Material selection for containers containing a 5% sulfuric acid medium - HCBBS Forum
34. What are the construction requirements for oxygen pipelines? - HCBBS Forum
35. Nut breaker - HCBBS Forum
36. Books on the method of drawing diagrams for calculating the hypothetical circular strength of shell boilers - HCBBS Forum
37. Do hydrogen storage tanks require helium testing? - HCBBS Forum
38. Does a 30% potassium hydroxide solution corrode 304 stainless steel? - HCBBS Forum
39. What aspects are reviewed in the pipeline material table? - HCBBS Forum
40. Does the pressure test mentioned on page 79 of the Large Capacity Regulations refer to an overpressure test? - HCBBS Forum
41. On intergranular corrosion in austenitic stainless steel pipes - HCBBS Forum
42. What method is used to degrease the inside of an oxygen tank? - HCBBS Forum
43. Is it better to use vertical or horizontal storage tanks for liquid ammonia? - HCBBS Forum
44. Plasma vaporization furnace - HCBBS Forum
45. Seeking help: Issue with cracking of the clad weld at the manhole - HCBBS Forum
46. Liquefied petroleum gas definitely contains hydrogen sulfide, so I have a slight question: does liquefied natural gas contain hydrogen sulfide as well? - HCBBS Forum
47. Why does the water in the pot turn yellow-green? - HCBBS Forum
48. Tank container design issues - HCBBS Forum
49. Welding issues of tube sheet in shell and tube heat exchangers - HCBBS Forum
50. Comparison between fiberglass storage tanks and steel-lined PTFE storage tanks - HCBBS Forum
51. Can the Class A and Class B weld joints in the main body of tank containers all be inspected after welding is completed? - HCBBS Forum
52. Excel sheet for bolt fatigue verification - HCBBS Forum
53. Is there a relationship between wind load and basic wind pressure value? Is it the same thing? - HCBBS Forum
54. Stainless steel pressure-rated elliptical head tank – is the strength of the head sufficient? Seeking help from those with experience - HCBBS Forum
55. ANSYS Mechanical – Tasks for the certification defense related to the original pressure vessel SAD - HCBBS Forum
56. How should we understand the phrase NB/T47014-2011 Welding Procedure Qualification for Pressure Equipment? - HCBBS Forum
57. Have you seen pipe flanges welded together directly? - HCBBS Forum
58. How does one obtain a G3 stoker certificate, and what are the procedures involved? - HCBBS Forum
59. Seeking help with issues regarding steam flow rate and cold tube time - HCBBS Forum
60. Titanium equipment jacket structure - HCBBS Forum
61. Storage tank pre-cooling vacuum case study - HCBBS Forum
62. Is it necessary to install a check valve at the boiler inlet of the chemical dosing pipeline for the high-pressure boiler? - HCBBS Forum
63. Calculation of the thickness of the head in pressure vessels, selection of welding joint coefficients, and issues related to the stress on circumferential welds - HCBBS Forum
64. WPTR training ppt at China Huanqiu Daqing Petrochemical Engineering Co., Ltd. - HCBBS Forum
65. Regarding the equipment getting deflated - HCBBS Forum
66. Cryogenic liquid level meter drain valve problem - HCBBS Forum
67. Selection of manholes for high-pressure vessels - HCBBS Forum
68. The temperature of the heat transfer oil doesn’t rise - HCBBS Forum
69. Consultation on filtration and separation equipment - HCBBS Forum
70. CAD Drawing Handover Table - HCBBS Forum
71. Flat cover of tube sheet without holes - HCBBS Forum
72. How are steam boilers classified? - HCBBS Forum
73. Is complete contact between the bladder seal of an internal floating roof tank and the tank wall necessary? - HCBBS Forum
74. Questions about pressure vessel weld joints - HCBBS Forum
75. Why is the allowable stress value at the small end of the conical shell limited to within 1.1 times the safety factor? - HCBBS Forum
76. A question regarding the reinforcement method of making multiple holes in a flat cover. - HCBBS Forum
77. What is the cycle rate? - HCBBS Forum
78. What is the significance of cast iron grades? - HCBBS Forum
79. Control of furnace temperature in heat transfer oil furnaces - HCBBS Forum
80. I’m new to pressure vessel work and would like to know what drawing standards are available - HCBBS Forum
81. Questions regarding the validity period and utility of welding process qualification. . - HCBBS Forum
82. Heat exchanger floating head gasket - HCBBS Forum
83. In the NB/T47020-2012 standard, what is the thinning type for high-neck butt weld flanges? - HCBBS Forum
84. Coal-to-gas conversion plan for chain grate boilers - HCBBS Forum
85. Data on pressure vessels welded on-site - HCBBS Forum
86. Design parameters of plate heat exchangers - HCBBS Forum
87. What is the reason for coking and blockage of the boiler slag discharge pipe after installing a return air fan in a 75t boiler? - HCBBS Forum
88. What requirements must qualified chemical industry fillers meet? - HCBBS Forum
89. Synthetic ammonia - HCBBS Forum
90. Number of Class D designs - HCBBS Forum
91. Design pressure - HCBBS Forum
92. Is it possible for intense vibrations to loosen the anchor bolts? - HCBBS Forum
93. Static evaporation rate measurement: What is the purpose of the vent valve in cryogenic equipment? - HCBBS Forum
94. Low-temperature and low-stress operating conditions? - HCBBS Forum
95. Stainless steel pickled surface - HCBBS Forum
96. How to remove rust from pipes before installing natural gas equipment? Thank you all - HCBBS Forum
97. Reasons for the cracking of heat exchange tubes - HCBBS Forum
98. Sudden change in the heating furnace load value - HCBBS Forum
99. Pressure vessel steel plate - HCBBS Forum
100. How can pressure vessel relocation be carried out for vessels that have been deregistered? - HCBBS Forum