English — Forum #337 (Page 90/163)

1. Where in the factory are buffer tanks needed? - HCBBS Forum
2. Develop process package - HCBBS Forum
3. Regarding the technical competition - HCBBS Forum
4. [Process Engineering Area-Pipeline Valve Technology Exchange Edition-Daily Question-Question 03-03] - HCBBS Forum
5. Pressure indication - HCBBS Forum
6. 【Daily Question】 【AC Version for Static Equipment...Question 72】 March 13, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
7. May I ask what the indirect operation loading factor is for vacuum rake dryers? - HCBBS Forum
8. What could be the reason why an electromagnetic flowmeter shows flow for a brief moment before showing no flow again? - HCBBS Forum
9. 【Daily Question】 【AC Version for Static Equipment...Question 65】 March 6, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
10. What is the purpose of adding bypasses before and after this metering pump? - HCBBS Forum
11. How is the location of the longitudinal weld on the cylinder determined? - HCBBS Forum
12. Are there regulations stating that flammable and explosive liquids cannot be transported through steel-lined non-metallic or non-metal pipes? - HCBBS Forum
13. [Daily Question] Basic Process Knowledge (True/False Questions) 20190327 - HCBBS Forum
14. Basic Process Knowledge (Multiple Choice) 20181220 - HCBBS Forum
15. What is the relationship between closed-floor systems and leak-proof floors? - HCBBS Forum
16. Can spherical tanks hold ordinary flammable liquids? - HCBBS Forum
17. Will creating a vacuum rupture the burst disc? - HCBBS Forum
18. Which HYSYS property package should be chosen for a medium containing oxygen, nitrogen, CO2, and carbon from C1 to C3? - HCBBS Forum
19. Basic Process Knowledge (Multiple Choice) 201812 11 - HCBBS Forum
20. Purging of the oil unloading pipeline at the dock - HCBBS Forum
21. Operating specifications for nitrogen storage tanks in power stations - HCBBS Forum
22. Is it the release of the 2018 version of the List of Hazardous Chemicals and the new pipeline pressure rating requirements? - HCBBS Forum
23. Calculation of equipment wall temperature - HCBBS Forum
24. Does temperature affect the pressure dew point? - HCBBS Forum
25. How can the waste heat from natural gas boiler exhausts be utilized? - HCBBS Forum
26. How much steam passes through a 10-mm hole - HCBBS Forum
27. Portable heat treatment equipment - HCBBS Forum
28. Does a solid catalyst that contains dust require a suitable automated loading system? - HCBBS Forum
29. 【Daily Question】 【AC Version for Static Equipment...Question 43】 February 12, 2019 – True/False Multiple Choice Question...A Happy Family - HCBBS Forum
30. Who has this software - HCBBS Forum
31. Regarding the speed of gravitational settling - HCBBS Forum
32. Design date, manufacturing date, and completion date of manufacturing - HCBBS Forum
33. [Daily Question] Basic Process Knowledge (True/False) 20190314 - HCBBS Forum
34. Chlorine gas exhaust absorption - HCBBS Forum
35. Dry after vaporizing liquid nitrogen - HCBBS Forum
36. The problem of scaling in boiler feedwater pipes - HCBBS Forum
37. Design of the main corridor in Dalian Hengli - HCBBS Forum
38. 【Daily Question】 【AC Version for Static Equipment...Question 79】 March 20, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
39. I need a paper on the control of process parameters in circulating water systems - HCBBS Forum
40. 【Daily Question】 【AC Version for Static Equipment...Question 109】 April 19, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
41. Questions regarding acetylene pipeline valves and pressure testing - HCBBS Forum
42. What are the reasons for the high content of benzene in the poor solvent, and how should it be adjusted? - HCBBS Forum
43. In multi-effect evaporation, what temperature does the “evaporation temperature” refer to? - HCBBS Forum
44. What are the differences between metal wound gaskets, metal-clad gaskets, and PTFE-clad gaskets? Which is more suitable for toxic and flammable media? - HCBBS Forum
45. The evaporation capacity of the double-effect concentrator does not reach the designed value; how to carry out modifications? - HCBBS Forum
46. Heat capacity lookup - HCBBS Forum
47. MVR operational flexibility - HCBBS Forum
48. How should a flow control orifice plate be selected? - HCBBS Forum
49. Excessive nitrogen oxides in exhaust emissions - HCBBS Forum
50. The liquid level in the ammonia tank is low at night and rises during the day, reaching around 20 centimeters. What could be the reason for this? - HCBBS Forum
51. On the issue of increasing evaporation volume through triple-effect evaporation - HCBBS Forum
52. Is it allowed to install Class C tanks in a Class D factory building? - HCBBS Forum
53. Could someone explain in detail the PTA residue recovery RTR device? - HCBBS Forum
54. Urgent! What do *KD*, *KC*, *KV*, and *KA* in the diagram represent, and what are the differences between them? What does U* represent again? - HCBBS Forum
55. [Daily Question] Basic Process Knowledge (True/False) 20190331 - HCBBS Forum
56. What are the liquid products with a boiling point of around five degrees? - HCBBS Forum
57. Can the equipment port orientation diagram be represented in a top view without detailed drawings? - HCBBS Forum
58. Are the meanings of solvent and dissolvent the same? - HCBBS Forum
59. Safety valve inspection - HCBBS Forum
60. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190118 - HCBBS Forum
61. Should the unit responsible for the process package have relevant design qualifications? - HCBBS Forum
62. Is it possible to upgrade the circulating water system? - HCBBS Forum
63. [Daily Question] Basic Process Knowledge (True/False Questions) 20190409 - HCBBS Forum
64. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190112 - HCBBS Forum
65. Design method for liquid-liquid separators - HCBBS Forum
66. How should changes to the safety section be written? - HCBBS Forum
67. Design issues of oxygen pipeline valves - HCBBS Forum
68. In which flow measurement scenarios might a flowmeter not be suitable for measuring flow in full pipes? - HCBBS Forum
69. [Daily Question] Basic Process Knowledge (True/False Questions) 20190423 - HCBBS Forum
70. Guess what this is? Prize for correct guesses - HCBBS Forum
71. What is the difference between the actual flow rate and the standard flow rate in pipeline data? - HCBBS Forum
72. Chronic tumors lurking in steam equipment - HCBBS Forum
73. Magnetic pump - HCBBS Forum
74. What does a rundown case in an ethylene plant refer to? - HCBBS Forum
75. Online detection of nitrogen trichloride - HCBBS Forum
76. Accident tank - HCBBS Forum
77. Matter regarding flame arrestor breather valves - HCBBS Forum
78. In environmental protection projects that involve pressure vessels and steam pressure pipelines, can drawings be prepared with a Class B qualification in environmental protection? - HCBBS Forum
79. Are there any methods to rapidly condense large amounts of waste steam at a temperature of around 100°C, with essentially no pressure? - HCBBS Forum
80. Steam heater calculation - HCBBS Forum
81. Polyolefin pilot testing evaluation device - HCBBS Forum
82. Reciprocating compressor and surge problems - HCBBS Forum
83. How do magnetic materials pass through metal detectors - HCBBS Forum
84. Is substitution reaction a high-risk process under strict supervision? - HCBBS Forum
85. Hydrogenation process for hydrogen peroxide in a fluidized bed using the anthraquinone method - HCBBS Forum
86. Selection and installation requirements and methods for thermocouples and thermal resistors - HCBBS Forum
87. How to submit civil engineering requirements for unbalanced equipment - HCBBS Forum
88. I would like to ask that when using saturated steam in a container, it is necessary to maintain a certain steam pressure within the container as well as set a specific steam flow rate,... - HCBBS Forum
89. How to separate ammonia, methanol, and water - HCBBS Forum
90. Recycling of alkylated waste acid plants - HCBBS Forum
91. What are the standards governing the staffing levels at gas stations? - HCBBS Forum
92. Seeking expert help regarding pipeline drawing symbols - HCBBS Forum
93. What is the superheat of the steam in the pipeline network? ! - HCBBS Forum
94. I would like to ask experts for advice on the calculation of pipe wall thickness - HCBBS Forum
95. What is the function of a hydrocarbon flare water seal tank? - HCBBS Forum
96. I’m seeking help from all the experts here - HCBBS Forum
97. Butylene isomerization - HCBBS Forum
98. [Daily Question] Basic Process Knowledge (True/False Questions) 20190311 - HCBBS Forum
99. How should a 1-cubic-meter storage tank containing 98% concentrated sulfuric acid be placed in an open-sided factory building? - HCBBS Forum
100. Can a dual-pipe breathing valve be used as a nitrogen seal valve? - HCBBS Forum