English — Forum #723 (Page 567/642)

1. I’ve been working on an example of pressure swing distillation recently, and after adding the design specifications, the following errors occurred - HCBBS Forum
2. What methods are used in the workshop to transfer sulfuric acid in barrels into measuring tanks or reaction vessels? - HCBBS Forum
3. 【Daily Question】Question from Issue 20150730 - HCBBS Forum
4. What type of flow meter is best for measuring the flow rate of gypsum slurry? - HCBBS Forum
5. Interesting chemical engineering questions - 3: With the same molar concentration of non-volatile solutes, why is the water vapor partial pressure different? - Already... - HCBBS Forum
6. What factors are related to dew point? - HCBBS Forum
7. 【Daily Question】Question from Issue 20150807 - HCBBS Forum
8. Service life of the gasifier cylinder bricks - HCBBS Forum
9. Should the air valves of a reciprocating compressor be repaired by maintenance personnel or by the manufacturer? - HCBBS Forum
10. How is sulfuric acid handled after it is produced through flue gas desulfurization? - HCBBS Forum
11. How should the burner nozzle be designed to **improve** the ignition success rate? - HCBBS Forum
12. Sulfur tank cleaning - HCBBS Forum
13. 【Daily Question】August 06, 2015 - HCBBS Forum
14. Tianjin University Practice Test (1), Question 19 - HCBBS Forum
15. Orifice plate throttling and control valve throttling - HCBBS Forum
16. The unit introduces 1.0 MPa steam; how should coordination with the dispatch team be handled? More in detail, please - HCBBS Forum
17. The 68# lubricating oil in the rear bearing housing of the boiler forced circulation water pump has turned black - HCBBS Forum
18. Seeking management experience as a team leader - HCBBS Forum
19. PH online monitoring - HCBBS Forum
20. Cycling of hydrogen desulfurization tower - HCBBS Forum
21. How is the seal tank of the lean methanol pump sealed? - HCBBS Forum
22. Is it necessary to install on-site pressure/temperature/level gauges in every place where settings for pressure/temperature/level display are made? - HCBBS Forum
23. Incident Handling 4: Based on the actual conditions of your plant, how should blockages in the coal feed pipe of the circulating fluidized bed boiler be dealt with? - HCBBS Forum
24. One question per week: A reward is offered for discussions; inspections must be carried out on time regardless of how busy one is, or they can be done later when there’s time (5–15 wealth points for replies) - HCBBS Forum
25. Urgent help needed, please assist. Regarding the sealing issue. - HCBBS Forum
26. What is the impact of the amount of sludge discharged from the bottom of the sedimentation tank on the system? - HCBBS Forum
27. Does anyone have the drawings for the heating and dewaxing system of a 50,000-liter external floating roof tank? - HCBBS Forum
28. Origin of the fact that, in version 99, for the 151 medium-strength weld, the fillet weld height of the heat exchange tube is greater than or equal to 1.4 times the wall thickness of the heat exchange tube - HCBBS Forum
29. Manufacturers of electrostatic precipitators - HCBBS Forum
30. Material balance for hydrogen production by gasification - HCBBS Forum
31. Questions about denitration - HCBBS Forum
32. Is a spiral plate heat exchanger a pressure vessel? - HCBBS Forum
33. 【Daily Question】 August 13th: What will the preheating crossover of the hot oil pump cross? ? ? - HCBBS Forum
34. Your career, a story of love? - HCBBS Forum
35. Requirements for the material of centrifugal pumps - HCBBS Forum
36. The nominal thickness of the butterfly head is 4 millimeters thicker than that of the cylinder body – how should it be welded? - HCBBS Forum
37. Tar and ammonia cannot be separated properly - HCBBS Forum
38. How does the rated current of a multi-stage centrifugal pump change after stage reduction? - HCBBS Forum
39. Issues regarding the guide cylinder of the heat exchanger and HG20592 flanges - HCBBS Forum
40. How should steam purging conditions be considered in the design of pressure vessels? - HCBBS Forum
41. Issue with the appearance color of the eye washer - HCBBS Forum
42. Tail gas ammonium sulfate crystals - HCBBS Forum
43. Domestic chromatography - HCBBS Forum
44. Could an expert help check if this translation is correct? - HCBBS Forum
45. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 267 - HCBBS Forum
46. What is the equivalent domestic grade for Hastelloy N06022 (C22)? - HCBBS Forum
47. Installation issues with reciprocating compressors - HCBBS Forum
48. What are the specific advantages of FCS over DCS in terms of control? - HCBBS Forum
49. Pipe-type reactors: how to improve the selectivity of the reaction mixture. - HCBBS Forum
50. Calculation tables for non-standard lugs and rigid rings - HCBBS Forum
51. Gaozhun mass flow meters - HCBBS Forum
52. Weekly topic: 8 Wealth points for correct answers, 2 Wealth points for participation； Question 126 - HCBBS Forum
53. Does anyone know how to save a higher-version Caesar file as a lower-version file? - HCBBS Forum
54. Technical modification issues for air flotation oil removal machines using cold drum ammonia solution - HCBBS Forum
55. Styrene process package - HCBBS Forum
56. Industry Region – ★★Hot Event Coming★★: Join us for an event to share basic knowledge on “polymers and materials”! Spending money recklessly~~~ - HCBBS Forum
57. Geely develops methanol for the automotive industry - HCBBS Forum
58. I would like to ask why the control is such that the dry point of reformed gasoline should not exceed 220°C in principle - HCBBS Forum
59. Who has the SH/T3406-20125 RF standard specification? - HCBBS Forum
60. Which domestic manufacturer produced dry screw pumps earliest and offers the best quality? - HCBBS Forum
61. Regarding pressure pipeline design software - HCBBS Forum
62. 【Safety and Environmental Protection Section】July Active Members Rewards – Winners please reply to claim their rewards - HCBBS Forum
63. Introduction to Mathematics for Children: Addition and Subtraction - HCBBS Forum
64. Which discipline should provide the construction drawings for the ladder platform structure on tower equipment? - HCBBS Forum
65. Is lead oxide PBO not available in ASPEN PLUS? - HCBBS Forum
66. Contents and procedures for health examinations related to occupational diseases - HCBBS Forum
67. What factors determine the opening degree of the continuous sewage discharge valve in the circulating water tank? - HCBBS Forum
68. Consumption tax on solvent oils and market prospects - HCBBS Forum
69. 【Request for help】Please check whether it belongs to a pressure vessel - HCBBS Forum
70. What is the difference between shaft displacement and shaft vibration, and is there any directionality? - HCBBS Forum
71. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 272 - HCBBS Forum
72. A newbie is here to ask a few questions - HCBBS Forum
73. Selection of loading time - HCBBS Forum
74. Urgent urgent urgent: middle-of-three flow transmitter - HCBBS Forum
75. 【Daily Question】Chemical Engineering Principles 127: Recirculation (August 1) - HCBBS Forum
76. Which is the best in Jiangsu’s petrochemical industry? - HCBBS Forum
77. Why can’t I search on the forum? - HCBBS Forum
78. Dampen the enthusiasm for an event - HCBBS Forum
79. 100,000 tons/year sulfuric acid plant - HCBBS Forum
80. **Preparing for both the team competitions and the Olympic team events simultaneously – it feels a bit risky - HCBBS Forum
81. Method for drawing the four-quadrant division lines of an arched tube sheet - HCBBS Forum
82. Looking for an Agilent distributor in Hebei region; urgent for bidding purposes - HCBBS Forum
83. Inspection of high-voltage cables - HCBBS Forum
84. Let’s share when everyone first drank alcohol - HCBBS Forum
85. A coating needs to be applied inside the reactor; I was wondering if there are any research institutions or companies with strong technical capabilities that you could recommend - HCBBS Forum
86. Experience using vortex flowmeters for measuring steam - HCBBS Forum
87. aspen thermal integration - HCBBS Forum
88. Stiffening rib problem for rectangular containers - HCBBS Forum
89. Black water flow meter - HCBBS Forum
90. Our company has innovated and reformed the sesame dryer, and the testing was successful - HCBBS Forum
91. Knowledge of occupational hazard control - HCBBS Forum
92. Long-term stable operation of coal chemical industry - HCBBS Forum
93. Methanol in dilute salt acids – how can it be separated without using neutralization methods? - HCBBS Forum
94. The reason specified in HG/T 20570.15-95 regarding the installation of flow-limiting orifice plates in pipelines is that the pressure drop across a single orifice plate should be less than 2.5 MPa - HCBBS Forum
95. Can a centrifugal pump be used to regulate flow by closing the outlet valve? Why? - HCBBS Forum
96. I wonder if you’ve seen Sina Sports report that Kobe said he has only one goal for the new season: to win the championship! - HCBBS Forum
97. Under which of the following conditions should a transition section be provided at the top of the skirt? - HCBBS Forum
98. The voltage supplied by the PLC to the solenoid valve should be 220V, but when the PLC does not output any signal, the voltage is 70V. What is the reason for this? - HCBBS Forum
99. --Burner - HCBBS Forum
100. Chemical Engineering in Daily Life - Question 2 - Standard Answers Available - HCBBS Forum