English — Forum #337 (Page 82/163)

1. Valves built into the equipment - HCBBS Forum
2. What is the boiling point of fruit juice at atmospheric pressure? - HCBBS Forum
3. What does \"dual temperature\" mean in the regulations for thermal insulation works? - HCBBS Forum
4. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05–18] - HCBBS Forum
5. Water treatment chemicals - HCBBS Forum
6. Should a root valve be installed at the location connected to the equipment outlet? - HCBBS Forum
7. Nitrogen flow rate calculation - HCBBS Forum
8. Which module is used for gas-liquid separation in Aspen? - HCBBS Forum
9. Gas fractionation unit - HCBBS Forum
10. Safety valve outlet temperature - HCBBS Forum
11. DMMn - HCBBS Forum
12. [Daily Question] Basic Process Knowledge (True/False) 20190709 - HCBBS Forum
13. Seeking advice on issues related to the feeding process in batch reactors - HCBBS Forum
14. CAD batch printing software (tested and works) - HCBBS Forum
15. What material and pressure rating should be used for the natural gas pipeline in a gas-fired heat transfer oil furnace? - HCBBS Forum
16. May I ask if it is possible to use an electromagnetic flowmeter for installing a flowmeter in a gravity-fed pipeline? If it doesn’t work, what’s a good alternative? The flow meter needs to have accumulation... - HCBBS Forum
17. What is the name of the new design institute established after Huafu Engineering went bankrupt? - HCBBS Forum
18. [Daily Question] Basic Process Knowledge (True/False) 20190802 - HCBBS Forum
19. [Daily Question] Basic Process Knowledge (True/False Questions) 20190826 - HCBBS Forum
20. Liquid phase feed pressure - HCBBS Forum
21. Regarding the relief valve discharge rate expressed in standard condition air - HCBBS Forum
22. Is the pressure in the reactor 3.6 MPa, with a vent buffer tank connected afterward? - HCBBS Forum
23. The reason why casting spheroidizing wire is more ideal than spheroidizing agent is slowly listening to me! - HCBBS Forum
24. General layout vertical design - HCBBS Forum
25. What are the application areas of hot water jacket tubes and steam jacket tubes? - HCBBS Forum
26. Seeking help with hydrogenation issues in sulfur recovery Scott reactors - HCBBS Forum
27. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190911 - HCBBS Forum
28. Fire classification of dilute nitric acid - HCBBS Forum
29. [Process Engineering Division – Chemical Components Forum – Daily Question – Questions 05-06] - HCBBS Forum
30. I was wondering if there are any good ways to fix the concrete sleeves that have been damaged by steam pipeline solutions? - HCBBS Forum
31. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05–19] - HCBBS Forum
32. PID diagram pipe symbol notation - HCBBS Forum
33. The fluid flow discussion focuses on the dynamic pressure difference - HCBBS Forum
34. To cool the gas to around 2°C, what type of heat exchanger and refrigerant would be suitable? - HCBBS Forum
35. What materials do DEG, MEG, and TEG represent respectively? - HCBBS Forum
36. Why can a reaction kettle be used for vacuuming and pressurization! - HCBBS Forum
37. How much flash vapor can be generated by reducing the pressure of 0.8Mpa saturated condensate to 0.3Mpa? How much value does this portion of flash steam have? - HCBBS Forum
38. What do S.O. for sealed open valve, S.C. for sealed closed valve, and T.S.O. for sealed shut-off valve mean? - HCBBS Forum
39. Seeking assistance with H2S removal technology in gas processing - HCBBS Forum
40. Selection of welding materials and wires - HCBBS Forum
41. Question: Using HYSYS to calculate the flow rate through a natural gas orifice meter - HCBBS Forum
42. Equipment housing pressure difference - HCBBS Forum
43. [Daily Question] Basic Process Knowledge (True/False) 20190621 - HCBBS Forum
44. Questions about Dewar flasks - HCBBS Forum
45. The function of the safety valve between the inlet and outlet pipes of the storage tank - HCBBS Forum
46. How catalysis improves the range of residual carbon in raw materials - HCBBS Forum
47. EDI working principle - HCBBS Forum
48. Separation of sodium chloride and sodium sulfate salts - HCBBS Forum
49. Questions about HG 20519 - HCBBS Forum
50. Odor from steam condensate - HCBBS Forum
51. What is the typical precision of pre-filtration used before ultrafiltration and reverse osmosis? What’s the difference? - HCBBS Forum
52. I’m asking about the PDF version of the 3D model, which can be rotated and viewed dynamically – what software was used to create it? - HCBBS Forum
53. Used engine oil processing - HCBBS Forum
54. Is it feasible to raise the pump inlet pipeline? - HCBBS Forum
55. [Daily Question] Basic Process Knowledge (True/False Questions) 20190521 - HCBBS Forum
56. How should this situation with classified pressure vessels be handled? - HCBBS Forum
57. What is the fire hazard classification for the centrifugal fan room and the Roots blower room? - HCBBS Forum
58. Calculation of SCR denitration catalyst volume - HCBBS Forum
59. After R1001 and R3001 were invalidated by TSG07, where can one find the definitions of long-distance pipelines and utility pipelines as referred to in pressure pipelines? - HCBBS Forum
60. 【Process Engineering Division - Pipeline and Valve Technology Exchange Forum - Daily Question - Questions 05-12】 - HCBBS Forum
61. [Daily Question] Basic Process Knowledge (True/False) 20190718 - HCBBS Forum
62. Limestone, quicklime, slaked lime – which one is the best as a flue gas desulfurization agent? - HCBBS Forum
63. The milky white liquid has become clear - HCBBS Forum
64. What type of flow meter is suitable for 50% hydrogen peroxide (which may contain bubbles)? - HCBBS Forum
65. Application of citric acid desulfurization - HCBBS Forum
66. flexible pipe - HCBBS Forum
67. 【Process Engineering Division – Chemical Components Forum – Daily Question – Questions 05-07】 - HCBBS Forum
68. Insulation area? - HCBBS Forum
69. Vaporization - HCBBS Forum
70. The oil separator is designed to meet Class A standards; is it necessary to install combustible gas detectors? - HCBBS Forum
71. Silicomanganese alloy 6517 - HCBBS Forum
72. Seeking theoretical calculations – changes in steam temperature, volume, and flow rate after steam pressure reduction - HCBBS Forum
73. How can boilers be distinguished? For example, are heat transfer oil furnaces/solid waste incinerators considered boilers? Is there any clear definition? - HCBBS Forum
74. Which is more commonly used as a solvent, 1,1-dichloroethane or 1,2-dichloroethane? - HCBBS Forum
75. Can an exhaust system containing phenol and formaldehyde share a single exhaust pipe? - HCBBS Forum
76. [Process Engineering Division – Chemical Components Forum – Daily Question – Questions 05–11] - HCBBS Forum
77. Relationship between power of disc turbine stirrers and number of blades - HCBBS Forum
78. Desulfurization system - HCBBS Forum
79. Need help calculating head - HCBBS Forum
80. A series of questions regarding the use of natural gas to produce methanol - HCBBS Forum
81. Table 4.2.12 of the petrochemical regulations specifies only the spacing requirements between Class A, B, and C plant areas; so how is the spacing for Class D and E areas determined? - HCBBS Forum
82. What are the advancements in catalytic cracking processes abroad, and what is a brief history of the chemical reactions involved in catalytic cracking? - HCBBS Forum
83. For plastic pipes or pipes with plastic lining, how should static electricity be grounded? - HCBBS Forum
84. Can ER308L welding material be used for welding 304 stainless steel pipes and 20G pipes? Thank you! - HCBBS Forum
85. I would like to ask everyone whether a construction permit is required for installation projects. - HCBBS Forum
86. If stainless steel pipes need to be protected against corrosion, what should be done? ? - HCBBS Forum
87. Calculation of gravity flow discharge height under negative pressure - HCBBS Forum
88. Are there standards specifically designed for fixed-bed reactors? - HCBBS Forum
89. [Daily Question] Basic Process Knowledge (True/False Questions) 20190623 - HCBBS Forum
90. [Daily Question] Basic Process Knowledge (True/False) 20190828 - HCBBS Forum
91. What are the working conditions like in design institutes these days? Fresh graduates seeking advice - HCBBS Forum
92. Two-stage flash separation of ammonium chloride - HCBBS Forum
93. Does anyone have CADMATIC training materials? I need them urgently. - HCBBS Forum
94. Shock wave - HCBBS Forum
95. How to calculate the heat supply for hot water in storage tanks? - HCBBS Forum
96. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190926 - HCBBS Forum
97. May I ask in what aspects of design does the classification of fire hazard levels such as Class A, B, and C have an impact? - HCBBS Forum
98. What is the difference in the heat transfer coefficient K value when plate heat exchangers are used to cool gases and steam? - HCBBS Forum
99. Belt repair program - HCBBS Forum
100. Powder metering and crushing - HCBBS Forum