English — Forum #337 (Page 122/163)

1. Under fire conditions in the liquid ammonia vaporizer and reactor, the ammonia release rate through the safety valve is 3000 kg/h. What should be done after the safety valve activates? ? ? - HCBBS Forum
2. What causes liquid to be present in the low-pressure gas zone? - HCBBS Forum
3. The 2 best chimneys for smoke emission on the Shanghai-Nanjing Expressway! - HCBBS Forum
4. Code for Fire Protection Design of Petrochemical Enterprises, 2008 edition: Distance between liquid ammonia tanks and Class D and E buildings - HCBBS Forum
5. How to dry drug substances containing crystalline water - HCBBS Forum
6. Let’s take a look at this setup - HCBBS Forum
7. We would like to hold a seminar to share experience in the engineering applications of ceramic nanofiltration membranes. I wonder how many people are interested? - HCBBS Forum
8. May I ask how your company manages safety in daily pilot testing and custom drug production? - HCBBS Forum
9. May I ask, when using circulating cooling water to cool the liquid in a gas, to what lowest temperature can it be condensed? ? - HCBBS Forum
10. 10.18 Daily Question – Open-ended question; a reward is given for every answer - HCBBS Forum
11. Selection of steam pipe diameter - HCBBS Forum
12. Steam recovery from secondary flashing of low-pressure steam condensate - HCBBS Forum
13. ! Does the amount of evaporation remain the same when water boils under different pressure conditions? - HCBBS Forum
14. Note: The second question on the afternoon of the second day - HCBBS Forum
15. Ammonium fluoride crystals - HCBBS Forum
16. Are there any standards currently in place for the specifications of polyethylene and high-density polyethylene plastic drums? - HCBBS Forum
17. Consultation on flow rate issues in pipelines - HCBBS Forum
18. 【HVAC Version】Daily Question 20171103 - HCBBS Forum
19. Chemical engineering - HCBBS Forum
20. Heating furnace - HCBBS Forum
21. 【HVAC Version】Daily Question 20180120 - HCBBS Forum
22. 10.25--bak version daily topics - HCBBS Forum
23. Is an assist gas required for TCD in GC? - HCBBS Forum
24. Newbie seeking help regarding the steam condensate bypass issue - HCBBS Forum
25. There is a small hole on the manhole cover of the stainless steel reactor; I’m not sure what it’s for - HCBBS Forum
26. Gas absorption simulation in ASPEN - HCBBS Forum
27. Why should stainless steel be chosen for urea? - HCBBS Forum
28. Valves in process design - HCBBS Forum
29. 【HVAC Version】Daily Question 20171107 - HCBBS Forum
30. 【HVAC Version】Daily Question 20171201 - HCBBS Forum
31. I would like to ask: since the flange of the drain ring in the lined pipe is smaller than normal, do I need to add 2 more flanges on each side? ? - HCBBS Forum
32. Overall heat transfer coefficient - HCBBS Forum
33. Coal chemical industry direction - HCBBS Forum
34. Do commonly used centrifugal ventilators have a certain air leakage rate? ! - HCBBS Forum
35. Are the joints of the steel ropes used for lifting all woven in this way? - HCBBS Forum
36. One Question per Day----------True or False Questions on Basic Process Knowledge (January 16) - HCBBS Forum
37. Industrial style - HCBBS Forum
38. (Seeking help) How should I determine this wall thickness? - HCBBS Forum
39. 【Mechanical Equipment Technology Edition】Daily Question 201709021: Screw Compressors - HCBBS Forum
40. Is the differential pressure method for calculating air volume suitable for calculating process air volume? - HCBBS Forum
41. Are there any technologies for the comprehensive utilization of ferrous salts such as ferrous sulfate and ferrous chloride? - HCBBS Forum
42. Which devices require a high-vacuum system? What is the function of a high vacuum? - HCBBS Forum
43. “Celebrate Both Festivals Together by the Sea and Rivers”* With the two festivals approaching, there are many activities in the leisure area – feel free to join! - HCBBS Forum
44. Have you all experienced that waste heat power generation? Could you give a general idea? - HCBBS Forum
45. Basis for selecting axial flow pumps and centrifugal pumps as the circulation pumps for MVR evaporators - HCBBS Forum
46. Dismantling of pipes in explosion-proof areas - HCBBS Forum
47. Ethylene carbonate synthesis section - HCBBS Forum
48. Evaporation loss of floating roof tanks - HCBBS Forum
49. 10.10 Daily Question – Fill-in-the-blank; a reward is given for every correct answer - HCBBS Forum
50. Division of explosion-proof zones in heat transfer oil furnaces - HCBBS Forum
51. Is a flue with dimensions of Φ1600×6 and a span of 24 meters feasible? - HCBBS Forum
52. Can a three-valve assembly be used for discharging material from a vacuum reactor? - HCBBS Forum
53. [Mechanical Equipment Technology Edition] Daily Question 20171009: Assembly of Screw-Type Refrigerant Compressors - HCBBS Forum
54. Mechanism of UV photolysis oxidation reaction - HCBBS Forum
55. Regarding electric heating - HCBBS Forum
56. Is it true that, at the construction drawing design stage, all the calculations required on the PID diagram have already been completed? - HCBBS Forum
57. Thermal storage in solar thermal power plants - HCBBS Forum
58. SY/T 0048-2016 Code for General Layout Design of Petroleum and Natural Gas Projects - HCBBS Forum
59. Fischer-Tropsch wax has a high solid content - HCBBS Forum
60. Thermal insulation and heating - HCBBS Forum
61. How can design be carried out without a process package? - HCBBS Forum
62. Process Section – Daily Hydrogenation Process Knowledge Question No. 046 - HCBBS Forum
63. Deleted - HCBBS Forum
64. Heat-free regenerative dryer - HCBBS Forum
65. On the applications of low-temperature evaporation - HCBBS Forum
66. In ammonia synthesis production, how is the gas-water vapor ratio for gas generation calculated? - HCBBS Forum
67. Becoming an Excellent Process Engineer” --7--- “How to Become an Excellent Machining Engineer?” - HCBBS Forum
68. anti-corrosion - HCBBS Forum
69. Ask about the method of drawing gauges - HCBBS Forum
70. 【Traffic Laws * One Question per Day】20180122 – Feel free to participate in the “My Stories with Sports” campaign - HCBBS Forum
71. Analysis of steam fluid types - HCBBS Forum
72. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (October 27) - HCBBS Forum
73. Equipment issue - HCBBS Forum
74. Congratulations to all those who have completed registration successfully; those who share screenshots of their successful registration this year can receive 50 wealth points - HCBBS Forum
75. Fast deslagging powder preparation technology - HCBBS Forum
76. Relationship between boiling point and pressure of NN dimethylacetamide - HCBBS Forum
77. Fluidized bed reactor - HCBBS Forum
78. When measuring the static pressure at any position near the end of the pipeline, is the static pressure very close to atmospheric pressure? ! - HCBBS Forum
79. 【HVAC Version】Daily Question 20171120 - HCBBS Forum
80. How to address stickiness in the reactor during polyethylene production - HCBBS Forum
81. Production process of high-purity MTBE or pharmaceutical-grade MTBE - HCBBS Forum
82. Why isn’t drawing review required for the process? - HCBBS Forum
83. 【HVAC Version】Daily Question 20180119 - HCBBS Forum
84. Inspection and replacement of spherical tanks - HCBBS Forum
85. Fundamentals of Manufacturing Processes (True/False Questions) 20171126 - HCBBS Forum
86. For the rubber lining repair of resin tanks in ion exchange systems, what repair materials or methods should be used? - HCBBS Forum
87. Edraw Flowchart Software - HCBBS Forum
88. May I ask how the parameter 0.0188 is derived in the pipe diameter calculation? ? ? - HCBBS Forum
89. Selection of opening reinforcement and branch base - HCBBS Forum
90. Was the Certified Chemical Engineer exam in 2016 and 2017 meant to be part of this entire event? - HCBBS Forum
91. Fundamentals of Processing Technology (Multiple Choice) 2018020 - HCBBS Forum
92. Acrylic acid - HCBBS Forum
93. Basic Process Knowledge (True/False Questions) 20170926 - HCBBS Forum
94. Why should hydrofluoric acid be kept away from oxidizers and acids? - HCBBS Forum
95. throttling orifice plate - HCBBS Forum
96. What are some good software options for calculating pressure drops in pipe network systems? ! - HCBBS Forum
97. A junior student is seeking advice from senior students regarding my graduation project - HCBBS Forum
98. Can an inverter-driven motor have its frequency adjusted above 50HZ? ! - HCBBS Forum
99. After filling the liquefied gas tank truck, how can the liquid in the short pipe be drained completely before removing the dip pipe? - HCBBS Forum
100. Discharge destination of the safety valve - HCBBS Forum