English — Forum #723 (Page 192/642)

1. The signal numbers for electric valves and pneumatic valves in the index table can be based on established standards - HCBBS Forum
2. Urea capacity reduction is in progress – but why is it so difficult? - HCBBS Forum
3. Issues with the precision and sensitivity of the control valve? ? ? ? ? - HCBBS Forum
4. The two safety valves have the same model, but their capacity at 10% over pressure differs – are they the same safety valve? - HCBBS Forum
5. Regarding the burner arrangement in API560 standard - HCBBS Forum
6. Stainless steel hardness and stiffness - HCBBS Forum
7. 3000 Nm3/h Methanol Conversion-PSA Hydrogen Production Plant - HCBBS Forum
8. Help needed - HCBBS Forum
9. Environmental Protection Tip of the Day 7.21: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
10. Regarding whether safety interlock activation conditions for chemical production plants need to take into account low-probability events such as misoperations - HCBBS Forum
11. Safety against the five most common types of fires in summer - HCBBS Forum
12. Common faults in pneumatic systems and their solutions - HCBBS Forum
13. What is the relationship between the number of quick-opening dampers, burners, and nozzles in a heating furnace? - HCBBS Forum
14. Recruitment Notice 2016 for Shenzhen Qingquan Water Industry Co., Ltd - HCBBS Forum
15. Emerson fork-type flow meter - HCBBS Forum
16. Difference between E-type and J-type in heat exchanger shell designs - HCBBS Forum
17. Which manufacturers produce high-quality suspended gravity discharge centrifuges? - HCBBS Forum
18. Who has an electronic version of the book \"Process Control Systems and Engineering\"? - HCBBS Forum
19. I earnestly request the Chinese version manual for the Zabil Harayama positioner operator - HCBBS Forum
20. Regarding the issue of automatic pump shutdown via interlock to prevent vacuum formation in dump trucks. - HCBBS Forum
21. Pilot-scale extraction equipment design & fabrication - HCBBS Forum
22. Propyl cyanohydrin and methyl methacrylate - HCBBS Forum
23. Safety Technology Exchange Edition: Daily Question (2016.7.25) - HCBBS Forum
24. What is Z in PONA analysis? - HCBBS Forum
25. What is the pressure in kg corresponding to a vacuum pressure of 100 KP? - HCBBS Forum
26. Exploration of propylene aromatization technology - HCBBS Forum
27. Regarding registration for the Certified Safety Engineer exam in September - HCBBS Forum
28. 【Daily Topic】【HVAC Version 20160719】 - HCBBS Forum
29. Plunger pump suction - HCBBS Forum
30. Interlocking problems at different temperatures - HCBBS Forum
31. 【Daily Topic】【HVAC Version 20160714】 - HCBBS Forum
32. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 16 - HCBBS Forum
33. What water should be used for pressure testing heat exchangers? - HCBBS Forum
34. ABB PGC500 - HCBBS Forum
35. Segmented solution treatment of austenitic stainless steel - HCBBS Forum
36. Questions regarding the ownership of key plant/area facilities in the boiler room - HCBBS Forum
37. The classification of pressure vessels - HCBBS Forum
38. May I ask, during the entire process of designing and building a pharmaceutical factory, when should geological surveys be carried out? - HCBBS Forum
39. What are the similarities and differences between David’s methanation process and Topsoe’s methanation process? - HCBBS Forum
40. Can the bypass of the metal tube rotameter be removed? - HCBBS Forum
41. Seeking a simulation example for the triethylene glycol dehydration process - HCBBS Forum
42. When sending spherical tanks to Africa, should an undercoat or a protective coating be applied? - HCBBS Forum
43. 【Daily Topic】【Production Version 20160726】 - HCBBS Forum
44. Where can I find the ASME standard year? - HCBBS Forum
45. How to reduce ceramic cracking in glass-lined equipment during the rainy season - HCBBS Forum
46. 【Q&A Question 094】2016.07.23 - HCBBS Forum
47. Environmental Protection Daily Tip – July 25: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
48. Has anyone studied the distribution patterns of chlorine content in the acidic water vaporized from refineries? - HCBBS Forum
49. Why do centrifugal pump impeller caps come in both clockwise and counter-clockwise orientations? - HCBBS Forum
50. Wall thickness code in SH standard or HG20615 standard - HCBBS Forum
51. Pipe diameter calculation - HCBBS Forum
52. Pipeline heat treatment - HCBBS Forum
53. Safety Technology Exchange Edition: Daily Question (2016.7.16) - HCBBS Forum
54. Regarding the repair of boiler refractory bricks prior to the commissioning of the trial operation - HCBBS Forum
55. How should the personnel be arranged in the class? - HCBBS Forum
56. 【Daily Topic】【Engineering Version 20160721】 - HCBBS Forum
57. It’s truly unbelievable - HCBBS Forum
58. What is the working principle and structure of a centrifugal compressor? - HCBBS Forum
59. Refinery units, pipelines, instruments, flowchart legends - HCBBS Forum
60. Safety Technology Exchange Edition: Daily Question (2016.7.17) - HCBBS Forum
61. Does anyone know anything about software or databases related to safety management? - HCBBS Forum
62. Fault diagnosis issues for the monitoring display on the operator station - HCBBS Forum
63. Operations team recruiting instructors - HCBBS Forum
64. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 18 - HCBBS Forum
65. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 19 - HCBBS Forum
66. 【Daily Question】What are the advantages of centrifugal pumps in deep processing 20160718? - HCBBS Forum
67. Daily Question 2016.7.15 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
68. Safety valve discharge temperature - HCBBS Forum
69. 【Short Story】A Late Reminder - HCBBS Forum
70. The relationship between the unloader and the air valve - HCBBS Forum
71. 【Daily Topic】【HVAC Version 20160727】 - HCBBS Forum
72. Analysis of the reasons for excessive hydrogen sulfide levels in hydrocracked liquefied gas - HCBBS Forum
73. How to deal with pipeline trachoma? - HCBBS Forum
74. Sign-in record post from July 17, 2016 - HCBBS Forum
75. How to achieve online detection - HCBBS Forum
76. 【Daily Question】 2016 07 25 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
77. The future of safety assessment professionals - HCBBS Forum
78. What amount of oil injection in a reciprocating compressor can cause liquid slugging? - HCBBS Forum
79. Regarding - HCBBS Forum
80. Regarding the calculation of dry gas density? - HCBBS Forum
81. Setting of the alarm threshold for carbon disulfide gas detectors - HCBBS Forum
82. Pressure Vessel Design Review Certificate Exam - HCBBS Forum
83. An update from the air separation industry, 20160717: Overall operation rate remains low; prices in the southern region have risen sharply - HCBBS Forum
84. How is circulating water cooled in the chemical industry? - HCBBS Forum
85. Who is more familiar with AFT Fathom or Arrow software? Emergency! ! ! - HCBBS Forum
86. Transformation of gas guiding overtemperature and countermeasures - HCBBS Forum
87. 【Daily Question】 2016 07 19 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
88. Many people on the Internet are talking about boycotting Fruit phones. What’s your opinion? - HCBBS Forum
89. The intake valve and exhaust valve of the reciprocating vertical oil-free vacuum pump are hot - HCBBS Forum
90. Specific classifications of tubular heat exchangers - HCBBS Forum
91. Honeywell DCS controller battery failure alarm - HCBBS Forum
92. Selection of precision filter before mass flow meter - HCBBS Forum
93. When converting from light oil to processing Marri heavy crude oil in a atmospheric and vacuum distillation unit, what are the things to keep in mind? Give me a plan. - HCBBS Forum
94. I would like to ask: in the case of waste acid from steel pipe factories, using the lime neutralization method, how much waste sludge should be generated per ton of stone processed? - HCBBS Forum
95. I want to create a dynamic process flow for backwater - HCBBS Forum
96. Oil film resistance of thrust bearings - HCBBS Forum
97. Information on dibromourea (abbreviated as DBNPA) - HCBBS Forum
98. Life seen in the garden - HCBBS Forum
99. What are the reasons why the outlet pressure of a self-acting pressure regulating valve with post-valve control does not reach the desired level? - HCBBS Forum
100. Ball tank high liquid level alarm interlock - HCBBS Forum