English — Forum #276 (Page 111/145)

1. Indicate whether a supervision and inspection certificate number is required for the installation of pressure vessels - HCBBS Forum
2. What temperatures are referred to by 120°C for thermal shock at high temperature and 110°C for thermal shock at low temperature in the case of enamel? - HCBBS Forum
3. Why are two safety valves required to be in use simultaneously in medium-pressure boilers? - HCBBS Forum
4. Have you used a reflux condenser or a gas-liquid separator? - HCBBS Forum
5. Determine whether it is a pressure vessel - HCBBS Forum
6. Haichuan Forum Path-Finding Post - HCBBS Forum
7. Boiler selection - HCBBS Forum
8. Can the superheater tubes of biomass boilers be treated with an outer enamel coating to address alkali metal corrosion? - HCBBS Forum
9. Problems with heat treatment of shell and tube heat exchanger tube boxes - HCBBS Forum
10. For equipment with stainless steel pressure vessels and carbon steel footings, is it better to pickle the stainless steel part first, or to remove rust and paint the carbon steel part first? - HCBBS Forum
11. I want to take the audit certification exam this year; I’m seeking advice from experts on the review methods - HCBBS Forum
12. Dear seniors and experts, I would like to ask for your advice - HCBBS Forum
13. Welding materials - HCBBS Forum
14. Request the technical specifications and performance data for XCMG’s QY25K-1 and QY75K cranes - HCBBS Forum
15. What is the percentage of weld materials in pressure vessels relative to the total weight of the equipment? - HCBBS Forum
16. Design pressure: 0.55/H.V. What does H.V. mean? - HCBBS Forum
17. Seeking help with issues regarding the operation of a 3T gas boiler. - HCBBS Forum
18. Help, guys - HCBBS Forum
19. Final energy efficiency test report - HCBBS Forum
20. Medium classification and hazard level - HCBBS Forum
21. Issues with openings in the roof of storage tanks - HCBBS Forum
22. Which are the better domestic manufacturers of stand-alone chimneys? - HCBBS Forum
23. What are the environmental monitoring aspects for gas boilers? Gas boilers with rated evaporation capacities of 2t, 4t, 6t, 8t, and 10t - HCBBS Forum
24. Airtightness test - HCBBS Forum
25. Seeking help with heat treatment and fire protection issues - HCBBS Forum
26. Pressure vessel manufacturing process - HCBBS Forum
27. Problem: Safety valve cannot be removed for inspection - HCBBS Forum
28. Seeking help with the opening reinforcement problem - HCBBS Forum
29. Cyclone plate or baffle mist eliminator - HCBBS Forum
30. How to perform acid washing and passivation to remove the color from stainless steel after welding, or when the weld is too high and needs to be ground down? - HCBBS Forum
31. For waste heat recovery systems, how should the pipelines in the convection section be cleaned? - HCBBS Forum
32. Can steel pipes in accordance with GB/T3087 be used for the internal coils of steam generators? - HCBBS Forum
33. When calculating the reinforcement rings for pressure vessels, a message appears stating: \"Be careful with the operating conditions of the reinforcement rings...\" What could be the problem here? - HCBBS Forum
34. How to register for a welder’s certificate? - HCBBS Forum
35. Nickel heat exchanger - HCBBS Forum
36. Regarding the low impact requirements for 16Mn forgings at -20°C - HCBBS Forum
37. I have a question regarding the water quality parameters for the feed water used in medium-temperature and medium-pressure steam boilers - HCBBS Forum
38. What is the purpose of adding U-bends to the shell of a heat exchanger? - HCBBS Forum
39. Is the distribution of bolt holes at the mid-span horizontal or vertical? - HCBBS Forum
40. Can’t flat-weld flanges be used in high-temperature environments? Is the welding method shown in the figure allowed? - HCBBS Forum
41. 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
42. Pressure Vessel Analysis and Design SAD WeChat Official Account - HCBBS Forum
43. Issues with the maintenance and inspection of heat exchangers? - HCBBS Forum
44. Analysis of the cracking phenomenon in stainless steel head cold forming - HCBBS Forum
45. Volume 1: Popularization of Knowledge on Pressure Vessels, - HCBBS Forum
46. Fire water tanks with diameters of 20 meters and 12 meters - HCBBS Forum
47. Pipeline spring support hanger limit block - HCBBS Forum
48. Alarm devices for pressure vessels - HCBBS Forum
49. Valve quality issues - HCBBS Forum
50. Frequent flushing of the deaerator seal - HCBBS Forum
51. Regarding non-metallic pressure vessels - HCBBS Forum
52. May I ask about the design pressure of the container? - HCBBS Forum
53. What type of material should be used to make the container for butyl acetate? - HCBBS Forum
54. Regarding the thickness coverage for welding procedure qualification of partially penetrated structures - HCBBS Forum
55. Inspection and repair of torch tube - HCBBS Forum
56. Purchase of jacketed reactor - HCBBS Forum
57. For cryogenic liquid storage tanks, is it necessary to use an adhesive for the insulating foam glass at the bottom? - HCBBS Forum
58. Head cover radius of curvature - HCBBS Forum
59. Are there any requirements for measuring the reduction of area for forgings? - HCBBS Forum
60. Appendix B of GB/T9948-2013 - HCBBS Forum
61. What percentage of the total cost does the design fee account for? - HCBBS Forum
62. Plasma furnace - HCBBS Forum
63. Configuration of water treatment equipment for gas boilers - HCBBS Forum
64. Regarding the calculation of flat cover and flat cover opening reinforcement, which one is more reasonable! - HCBBS Forum
65. Deaerator pressure control - HCBBS Forum
66. Reprinted version of NB/T 47065-2018 \"Container Supports\" - HCBBS Forum
67. Seek help to increase pressure in the reactor - HCBBS Forum
68. How should the field for \"actual discharge area of the discharge device\" in the safety valve calculation for SW6 be filled in? - HCBBS Forum
69. Questions regarding the use of ASME materials as materials for pressure vessels in China - HCBBS Forum
70. I’m facing a problem with my undergraduate graduation project; I hope everyone can help me solve it - HCBBS Forum
71. Flange selection - HCBBS Forum
72. What is the minimum diameter of a cylinder that allows for internal grooving and welding inside? - HCBBS Forum
73. Calculation of wall thickness for atmospheric pressure vessels - HCBBS Forum
74. Questions regarding NB/T 47041-2014: wind pressure height coefficient and wind vibration coefficient - HCBBS Forum
75. Let’s discuss the advantages and disadvantages of water-coal slurry boilers - HCBBS Forum
76. Management of coiled tubular heat exchangers and analysis of their application prospects - HCBBS Forum
77. Are sheets of 09MnNiDR and the corresponding second-stage forged pipe flanges readily available? - HCBBS Forum
78. What trial design drawings are required for a company to obtain A1A2 design qualifications? - HCBBS Forum
79. Natural gas industrial boilers are being used - HCBBS Forum
80. May I ask what material “Er you” is made of? - HCBBS Forum
81. Civil foundation for exhaust stack - HCBBS Forum
82. Static load of hydraulic fluid column - HCBBS Forum
83. I would like to know what size of constant-drainage system is required for a boiler with a rated evaporation capacity of 3 T/h. Please advise, experts - HCBBS Forum
84. Welding type for connections of buried horizontal oil tanks - HCBBS Forum
85. Dear seniors, do you have any G3 exam questions? I’m worried that those found online might not be consistent with the actual ones - HCBBS Forum
86. How are heat exchangers with welded inner holes at both ends manufactured? - HCBBS Forum
87. Is 10Cr9Mo1VNb equivalent to the American standard vessel plate SA387GR91CL2? - HCBBS Forum
88. Technical discussion on small gas boilers - HCBBS Forum
89. Carbon steel threads are used inside the equipment - HCBBS Forum
90. Selection of pressure class for pipe flanges - HCBBS Forum
91. Fixing method at the bottom of static equipment - HCBBS Forum
92. General Provisions for the Analysis and Design Process of Pressure Vessels - HCBBS Forum
93. Is it possible to weld carbon steel reinforcement rings outside the cylinder of stainless steel equipment? - HCBBS Forum
94. Calculation of the air intake flow rate for deaerators - HCBBS Forum
95. Classification of negative pressure containers - HCBBS Forum
96. What is the name of this device? - HCBBS Forum
97. Flue gas desulfurization and denitration for boilers - HCBBS Forum
98. Problems with coil inspection in fermentation tanks - HCBBS Forum
99. Issue of the length of the flange reinforcement fitting for the long diameter - HCBBS Forum
100. Seeking with diagram – what is the hydrostatic pressure of the liquid column on each compressed element in the fully filled state.................? - HCBBS Forum