English — Forum #723 (Page 620/642)

1. In 2015, the advancement of coal-to-natural gas projects in China accelerated, with a total investment of 390 billion yuan - HCBBS Forum
2. Mitsubishi PLC video tutorial - HCBBS Forum
3. Oxidation furnace - HCBBS Forum
4. What should the upconversion pump value be on DCS? - HCBBS Forum
5. How to calibrate a pressure transmitter with a different range? - HCBBS Forum
6. Analysis results of the regenerated gas from the catalytic unit - HCBBS Forum
7. “What is the Japanese translation for “acidic water vapor stripping”? - HCBBS Forum
8. The reserve level in the regenerator fluctuates significantly - HCBBS Forum
9. ENP surface oil traces - HCBBS Forum
10. 【Daily Question】Wastewater Knowledge-108 (June 25) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
11. Question: Calculation issues regarding custom flanges for pressure vessels? - HCBBS Forum
12. 【Daily Question】June 15 – Issue related to the overspeed test of centrifugal blower impellers (first 80 participants get +2 points; an additional 3–8 points for correct answers...) - HCBBS Forum
13. Analysis of the force-bearing surface of the crosshead in reciprocating compressors - HCBBS Forum
14. In summer, once the cooling fans have been started, what other methods are there to lower the temperature of the circulating water? - HCBBS Forum
15. Doctors never buy these eight things - HCBBS Forum
16. What are the specific operations and key points for drying and soaking up hydrogen production conversion furnaces? - HCBBS Forum
17. Daily Question June 11, 2015 (Safe Communication): 3 Wealth points for replies, 5 Wealth points for correct answers; participation comes with rewards - HCBBS Forum
18. Wandering behind others - HCBBS Forum
19. The color of the lubricating oil after hydrogenation, following treatment with a supplementary refining catalyst, is not good - HCBBS Forum
20. Issue with reinforcement ribs at the base skirt of the tower - HCBBS Forum
21. 35GrMoA - HCBBS Forum
22. The pressure difference in the solvent regeneration tower is too high - HCBBS Forum
23. Recheck the cutting dimensions of the plate? - HCBBS Forum
24. Looking for manufacturers of gas flow control valves - HCBBS Forum
25. How to clean oil buildup inside an oil cooler - HCBBS Forum
26. Zhejiang University Zhongkong ECS700 system - HCBBS Forum
27. Yangmei Group’s coal varieties successfully tested with ARGT gasification technology - HCBBS Forum
28. 【Daily Question】2015.06.19 Welding and Splicing (2 wealth points for a reply; +3–8 additional wealth points if the answer is correct) - HCBBS Forum
29. Chloroacetic acid method for reducing dichloro compounds - HCBBS Forum
30. First purging of the new device - HCBBS Forum
31. Does anyone know how to calculate it accurately? - HCBBS Forum
32. Exploration of the crystalization issues in anhydrous sulfuric acid - HCBBS Forum
33. Determination of hydrogen sulfide content in desulfurization liquid - HCBBS Forum
34. Preparation of concentrated *ao acid - HCBBS Forum
35. What are the basic parameters of heat transfer oil? - HCBBS Forum
36. Urgent. . . Air separation process diagram - HCBBS Forum
37. Issues to note when renewing a pressure vessel manufacturing license - HCBBS Forum
38. Regarding assistance in the safety data sheet - HCBBS Forum
39. Regarding the selection of accident quench water valves - HCBBS Forum
40. Water-coal slurry gasification - HCBBS Forum
41. Maintenance by removing the flange - HCBBS Forum
42. Material selection for pressure vessels used in the conversion of yellow phosphorus to red phosphorus - HCBBS Forum
43. Issues regarding the lubricating oil station of the cyclic hydrogen compressor - HCBBS Forum
44. Recruiting personnel for boiler design, process engineering, and production - HCBBS Forum
45. How to fix a black smoke issue when heating a boiler with a small burner - HCBBS Forum
46. What is the main reason for employees to resign? - HCBBS Forum
47. The dry gas seal uses a reforming hydrogen centrifuge; what material should be used for the filter before the dry gas seal? - HCBBS Forum
48. 【Weekly Topic】(32) June 21, 2015: How to take samples from a coal pile? - HCBBS Forum
49. For the organic strong acid sodium chloride solution of PH1-2, what materials can resist corrosion? Can titanium be used? - HCBBS Forum
50. May I ask what the mesh size is for the Y-type filters in Asahi Kasei’s electrolyzer acid addition pipelines, those used for filtering pure water, salt, and acid? - HCBBS Forum
51. What about the changes in pressure and moles of saturated steam and superheated steam? - HCBBS Forum
52. How to overcome mental tension - HCBBS Forum
53. Can the integral operation in PID still be effective in this case? - HCBBS Forum
54. 【Daily Question】Wastewater Knowledge-103 (June 18) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
55. What is the function of the thin pipeline between the dual filters of the compressor? - HCBBS Forum
56. How do I translate this? - HCBBS Forum
57. Seek a question bank for fine chemical operations - HCBBS Forum
58. How to form S25073 duplex steel heads? - HCBBS Forum
59. Nitrogen consumption for container purging - HCBBS Forum
60. Wetting perimeter problem in heat transfer - HCBBS Forum
61. Graphite falling film absorption of HCL, standards for controlling the flow rate of the absorbent solution - HCBBS Forum
62. If there were a material that could be used in systems with high temperatures and high concentrations of HF and sulfuric acid - HCBBS Forum
63. How to eliminate the unpleasant odor from the coking off-gases in carbon dioxide and carbon monoxide hydrogenation reactors? - HCBBS Forum
64. I’m having a hard time adjusting from chemical engineering design to pharmaceutical design. That expert also has similar experience – could you share some tips? - HCBBS Forum
65. Material of magnetic flap and rotameter float - HCBBS Forum
66. What is the fundamental purpose of using a two-chamber equilibrium vessel for measuring the drum liquid level? - HCBBS Forum
67. What are the socket welding temperature and pressure for valves? - HCBBS Forum
68. 【Daily Question】 June 24: What is the process to accelerate the natural oxidation of ferrous sulfide? - HCBBS Forum
69. Please ask an expert to translate the following passage - HCBBS Forum
70. I have a few questions regarding terms commonly used in factories such as Process water and Utility water - HCBBS Forum
71. Selection of sulfuric acid materials - HCBBS Forum
72. 【Daily Question】6.23 Gaskets Answer +2； Correct +3, Perfect +5 - HCBBS Forum
73. Initial value setting for tear logistics - HCBBS Forum
74. Stress testing Leak testing - HCBBS Forum
75. If the operator notices a sharp rise in the pump bearing temperature on the DCS, can an emergency shutdown be initiated? - HCBBS Forum
76. It’s the holidays – time to watch Game of Thrones! - HCBBS Forum
77. I would like to ask: I need a gas flow rate of 3.5 m3/min, and therefore I need to purchase two air compressors - HCBBS Forum
78. A small meter box causes a major accident - HCBBS Forum
79. I’m in a good mood; come and get your money! - HCBBS Forum
80. What type of flow meter is used for the residue oil flow meter at the feed inlet of your delayed coking unit? - HCBBS Forum
81. Regarding the temperature inside the tower - HCBBS Forum
82. The Metrix transmitter keeps breaking down - HCBBS Forum
83. Presulfurization of sulfur recovery hydrogenation reactor - HCBBS Forum
84. Determination of total iron in circulating water - HCBBS Forum
85. Sludge dewatering - HCBBS Forum
86. Daily Question June 17, 2015 (Safe Communication): 3 Wealth points for replies, 5 Wealth points for correct answers; participation comes with rewards - HCBBS Forum
87. How to understand “quench”? - HCBBS Forum
88. The issue of char amount - HCBBS Forum
89. Dry gas seal - HCBBS Forum
90. Sources of raw materials for ammonia synthesis - HCBBS Forum
91. What is the Fourth Petroleum Machinery Plant of Sinopec Mechanical Engineering like? - HCBBS Forum
92. Regarding product quality, the control of biuret - HCBBS Forum
93. Pipe cutting and opening equipment - HCBBS Forum
94. Image in the upper left corner of the revised Haichuan interface - HCBBS Forum
95. What machinery is used for sealing small-cross-section U-shaped rings DUA? - HCBBS Forum
96. Recommendations for cryogenic air separation equipment suppliers - HCBBS Forum
97. There’s really no water in the bathhouse - HCBBS Forum
98. 【Weekly Topic】Environmental tax legislation: heavy taxes... - HCBBS Forum
99. What are the characteristics of the sealing rings for small-cross-section double-lip U-shaped rings DUZ? - HCBBS Forum
100. Which of the back-to-back angular contact ball bearings is more likely to fail first? - HCBBS Forum