English — Forum #276 (Page 3/144)

1. Design and process requirements for ceramic elbow manufacturers - HCBBS Forum
2. How much does it cost to obtain a special equipment supervisor certificate? Does it include the total cost of enrolling in courses, training, registration, taking exams, and obtaining the certificate? - HCBBS Forum
3. Opening reinforcement calculation - HCBBS Forum
4. Requirements for ferrite content in duplex steel - HCBBS Forum
5. [Haichuan Ethylene Cracking Furnace] Research and Application of Modular Construction Technology of Large Ethylene Cracking Furnace - HCBBS Forum
6. For container equipment at 400°C, what factors need to be considered in material selection and design? - HCBBS Forum
7. Amendment 1 to the «Regulations on Safety Supervision of Boilers» (TSG G0001-2012) - HCBBS Forum
8. What is a head tank? - HCBBS Forum
9. Could the experts help determine what type of container this is? Thank you - HCBBS Forum
10. Detailed classification of refractory raw materials - HCBBS Forum
11. Differences and relationships between strength, stiffness, and elastic modulus - HCBBS Forum
12. Applications of separators in petrochemical, coal chemical, and fine chemical industries - HCBBS Forum
13. Steam hardness and conductivity exceed limits - HCBBS Forum
14. Pump barring - HCBBS Forum
15. Reference materials for the design of industrial furnaces in steel mills - HCBBS Forum
16. Here’s another one of my interview questions - HCBBS Forum
17. 【Haichuan Expands Horizons】Series compilation post – continuously updated in 2024 - HCBBS Forum
18. Why do the various qualification results for calculating the head in SW6 show as unqualified? - HCBBS Forum
19. How is the size of the oil-gas separator for a heat transfer oil boiler determined? - HCBBS Forum
20. Guess the device~ What kind of device is this? - HCBBS Forum
21. Regarding the issue of the equipment category for semi-coiled tube reactors - HCBBS Forum
22. YORK-709 compliance standard? - HCBBS Forum
23. Seeking help with the calculation of ribbed cone roofs - HCBBS Forum
24. Valve selection - HCBBS Forum
25. Seeking advice from fellow professionals regarding the requirements for personnel involved in the upgrading of industrial pressure vessels - HCBBS Forum
26. Calculation for reinforcement of openings in jacketed vessels - HCBBS Forum
27. The container support I drew - HCBBS Forum
28. Dear seniors, can we eliminate the reinforcing ring on circular flat-head end caps and use reinforcements instead? What are the consequences of doing so? - HCBBS Forum
29. 【Daily Question】【AC Version for Static Equipment...Question 172】June 21, 2019 Multiple-choice questions...Fill-in-the-blank questions - HCBBS Forum
30. What are the differences between 7075 and 6061 aluminum alloys? - HCBBS Forum
31. A small project company wants to assign this work to us; how should we negotiate the price with them? - HCBBS Forum
32. General Process Guidelines for Nitrogen Protection of Pressure Vessels - HCBBS Forum
33. Applications of spray-type polyurethane in power plants - HCBBS Forum
34. How is the design pressure of pressure vessels determined? Please help - HCBBS Forum
35. Regarding safety valves, who knows which regulation or standard they come from. - HCBBS Forum
36. Mechanical Knowledge Question Bank (3) - HCBBS Forum
37. Management System for the Procurement, Installation, Modification, and Repair of Special Equipment - HCBBS Forum
38. Installation instructions for packed columns with regular packing - HCBBS Forum
39. Help needed: There is a problem with the water seal in the container in the bedroom - HCBBS Forum
40. 【Ten Years of Great Development in Chemical Equipment】2056-2024 – Amazing! ! Components manufactured by the chemical machinery factory contributed to the successful launch of the Long March 12 rocket - HCBBS Forum
41. Chain-type industrial steam boiler - HCBBS Forum
42. May I ask which company is the best in hydrogen production equipment? - HCBBS Forum
43. Regarding the nozzle load issue - HCBBS Forum
44. Which are the domestic manufacturers that produce flame heating furnaces? - HCBBS Forum
45. Training Course for Workers in Boiler and Pressure Vessel Industries - HCBBS Forum
46. Issues with tank foam generators and tank wall vent holes - HCBBS Forum
47. Issues with the relocation of pressure vessels - HCBBS Forum
48. The horizontal container is tilted; how is the saddle calculated? - HCBBS Forum
49. Selection of design pressure for pressure vessels storing refrigerant at atmospheric pressure - HCBBS Forum
50. Several heat treatment issues that mislead people - HCBBS Forum
51. Quality requirements for weld joints near openings - HCBBS Forum
52. A newcomer is asking the teachers some questions about glass-lined reaction vessels - HCBBS Forum
53. Discussion on the potential for tank slippage - HCBBS Forum
54. Question: When adding a pump above a large storage tank, how should the reinforcement be calculated? - HCBBS Forum
55. Design steps for shell and tube heat exchangers - HCBBS Forum
56. Minimum width for head jointing? - HCBBS Forum
57. Issues with the delayed calibration of safety accessories on pressure vessels? - HCBBS Forum
58. Regular and annual inspections for pressure vessels and pressure pipelines. - HCBBS Forum
59. Dust removal and cleaning of the furnace chamber in coil furnaces - HCBBS Forum
60. What do the various defects in pressure vessel welds actually look like? What standards should be applied for inspecting welds during acceptance? - HCBBS Forum
61. Does a T-type filter qualify as a pressure vessel, and is it necessary to obtain separate certification? - HCBBS Forum
62. Discussion on problems in adiabatic calculations - HCBBS Forum
63. Recovery of thermal energy from high-temperature flue gases in boilers - HCBBS Forum
64. Does the maximum allowable pressure include negative pressure? - HCBBS Forum
65. Causes of valve leakage in oil depots and methods for prevention and troubleshooting - HCBBS Forum
66. How is the thickness of the clamping flange for the pressure testing fixture of a floating-head heat exchanger calculated? - HCBBS Forum
67. Why can low-carbon steel be welded while high-carbon steel cannot? What is the difference between low-carbon steel and high-carbon steel? - HCBBS Forum
68. Heat treatment states of commonly used valve stems - HCBBS Forum
69. Regarding the issue of the center distance between openings in the head - HCBBS Forum
70. Measures to improve the quality management of pressure vessels - HCBBS Forum
71. [Haichuan Equipment Guess] Is this a big sniper? - HCBBS Forum
72. I would like to know when this type of connector is used in diagrams? - HCBBS Forum
73. Seek drawings for spiral baffle heat exchangers - HCBBS Forum
74. What standards in the EU, ASME, etc., correspond to the non-destructive testing standard NB/T 47013? - HCBBS Forum
75. Holes are to be made in the welds where the end caps are joined. The end caps have already been 100% inspected; is it still necessary to conduct inspections after welding at those holes (at the locations where the holes are made)? - HCBBS Forum
76. Re-inspection requirements for grade 4 stainless steel forgings! - HCBBS Forum
77. Safety shut-off valve - HCBBS Forum
78. Introduction to information on various types of storage tanks - HCBBS Forum
79. A safety valve is not required during the airtightness test; there is no need to adjust the setting pressure of the safety valve, and the maximum allowable operating pressure does not need to be specified - HCBBS Forum
80. Regarding 18442 helium leak detection - HCBBS Forum
81. What measures are taken for protection when rolling stainless steel cylinders? - HCBBS Forum
82. Animated pictures of the principles and dangers of 37 chemical reactions---Luminol glows - HCBBS Forum
83. Fault analysis of heat transfer oil boilers - HCBBS Forum
84. Boiler regenerator - HCBBS Forum
85. HG/T21574-2008 Technical Requirements for Lugs and Engineering of Chemical Equipment - HCBBS Forum
86. Horizontal heater level gauge - HCBBS Forum
87. Overlay welding cracks - HCBBS Forum
88. Cold working of steel plates requires heat treatment to restore their properties; should normalizing be performed or recrystallization annealing? - HCBBS Forum
89. Honey concentration equipment - HCBBS Forum
90. Classification of multi-chamber pressure vessels - HCBBS Forum
91. Definition of high-alloy high-strength steel - HCBBS Forum
92. Measures to improve the fatigue strength of welded structures - HCBBS Forum
93. Maximum allowable design external pressure per API620 - HCBBS Forum
94. Selection of calculation standards for heat exchanger tube sheets - HCBBS Forum
95. Regarding the calculation data error of SW6 medium-B flange - HCBBS Forum
96. Regarding the issue of \"opening reinforcement calculations for the takeover of jacketed equipment\" - HCBBS Forum
97. Could you help me find where this type of separator is available for purchase? Thank you - HCBBS Forum
98. I use welding rods every day. Do you know what function the flux coating serves? - HCBBS Forum
99. Detailed explanation of the properties of stainless steel - HCBBS Forum
100. Help: Are there any manufacturers in China that can roll steel plates with small diameters? Any knowledgeable friends, please help me out. - HCBBS Forum