English — Forum #337 (Page 127/163)

1. Can the water used to replenish the cooling circulating water be soft water? - HCBBS Forum
2. For heat exchange between steam and water, is it true that the higher the steam pressure, the better? Why? - HCBBS Forum
3. Why can’t heat transfer oil be used for the vaporization of liquid chlorine? - HCBBS Forum
4. What are the requirements for the quality of water entering an MVR evaporator? - HCBBS Forum
5. 10.11 Daily Question – True or False; a reward is given for every correct answer - HCBBS Forum
6. Heating in chemical process control rooms - HCBBS Forum
7. “Becoming an Excellent Process Engineer” --1--- “How to Become an Excellent Engineer?” ” - HCBBS Forum
8. Ductwork engineering design and data references - HCBBS Forum
9. Membrane separation of two gases - HCBBS Forum
10. What to do if propylene oxide and carbon dioxide evaporate too much during the reaction at atmospheric pressure? - HCBBS Forum
11. How is the dynamic load of equipment calculated, such as for mixers? - HCBBS Forum
12. Heat exchanger substitution - HCBBS Forum
13. Fire separation distances for important facilities within the facility - HCBBS Forum
14. How thick should the sheets of the vacuum tank be? - HCBBS Forum
15. Experiences of becoming an excellent process engineer - HCBBS Forum
16. Process - HCBBS Forum
17. “What is the design responsibility for the “current status map”? - HCBBS Forum
18. Acrylic acid - HCBBS Forum
19. The concept of a process flow diagram - HCBBS Forum
20. 【HVAC Version】Daily Question 20180105 - HCBBS Forum
21. What is the reason for connecting a buffer tank after the safety valve and then directly linking it to the atmospheric receiving tank? - HCBBS Forum
22. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 28) - HCBBS Forum
23. The operating temperature of the superheated steam is 170; how is the design temperature determined? ? Help! - HCBBS Forum
24. Process characteristics of the solvent deasphalting unit at Jiujiang Petrochemical - HCBBS Forum
25. There is no resistance either in front of or behind the fan – will the motor burn out? ! - HCBBS Forum
26. 11.02 Daily Question – Multiple-choice; a reward is given for every correct answer - HCBBS Forum
27. Oil desulfurization - HCBBS Forum
28. How to simulate components that are not available in the Aspen Plus database - HCBBS Forum
29. Nitrogen pressurization safety process - HCBBS Forum
30. I have a question for everyone - HCBBS Forum
31. The issue of the distance between liquefied hydrocarbon storage tanks and the internal fire roads within the tank farm in the general layout design - HCBBS Forum
32. Driving plan - HCBBS Forum
33. Nozzles for heavy-duty equipment - HCBBS Forum
34. Discussion on the selection of flow meters for high-viscosity materials - HCBBS Forum
35. Engineering and Chemical Thermodynamics - HCBBS Forum
36. 【Mechanical Equipment Technology Edition】Daily Question 201801020 – Brain-teasing Quizzes with High Scores as Rewards (7.3) - HCBBS Forum
37. 【HVAC Version】Daily Question 20171229 - HCBBS Forum
38. Control of urea hydrolysis - HCBBS Forum
39. The principle of mechanical seals - HCBBS Forum
40. The difference between refining units and chemical processing units - HCBBS Forum
41. 【HVAC Version】Daily Question 20171212 - HCBBS Forum
42. Newcomers and beginners: how should one choose a thermostat? - HCBBS Forum
43. [Mechanical Equipment Technology Edition] Daily Question 201701031: Energy regulation mechanism of screw compressors (Completed) - HCBBS Forum
44. Compressed heat regeneration adsorption dryer - HCBBS Forum
45. On the heat absorption during water evaporation - HCBBS Forum
46. Daily Question ---------- True or False Questions on Basic Process Knowledge (January 15) - HCBBS Forum
47. Basic Process Knowledge (Multiple Choice) 20180102 - HCBBS Forum
48. Safety valve calculation - HCBBS Forum
49. I would like some advice regarding the problem of explosive polymers in dibutylene production (NMP method) - HCBBS Forum
50. May I ask, when installing a pH meter on a storage tank, should it be installed at the top or on the side? ? ? - HCBBS Forum
51. Basic Process Knowledge (Multiple Choice) 20171203 - HCBBS Forum
52. How to separate a mixture of toluene and butane? ! - HCBBS Forum
53. Saturated water vapor and the ideal gas law of state - HCBBS Forum
54. Anti-corrosion coatings in methanol and styrene storage tanks - HCBBS Forum
55. Issues regarding solution treatment and stabilization treatment of Ti-added stainless steel sheets - HCBBS Forum
56. Amine smell - HCBBS Forum
57. How to calculate oil and gas recovery for a tank farm - HCBBS Forum
58. What pump should be chosen for transporting viscous materials after gluconic acid lactone crystallization? - HCBBS Forum
59. [Mechanical Equipment Technology Edition] Daily Question 20171018: Oil Return in Screw Chilling Units (1) - HCBBS Forum
60. What is the purpose of liquid venting? - HCBBS Forum
61. Diglycol antoin constant - HCBBS Forum
62. Gas boilers use natural gas and LPG as fuel – how to consider making a switch? - HCBBS Forum
63. Carbon deposition problem in methane reforming - HCBBS Forum
64. Fundamental theoretical research on the application of wet-process phosphoric acid in the production of feed-grade calcium hydrogen phosphate - HCBBS Forum
65. Could you please tell me how to calculate the traffic shown in the image? Thank you - HCBBS Forum
66. 10.22 Daily Question – Multiple-choice; a reward is given for every correct answer - HCBBS Forum
67. 10.24--bak version daily topics - HCBBS Forum
68. Process Section – Daily Hydrogenation Process Knowledge Question No. 041 - HCBBS Forum
69. 【HVAC Version】Daily Question 20180123 - HCBBS Forum
70. Seeking advice on the overall heat transfer coefficient of heat exchangers - HCBBS Forum
71. Fundamentals of Processing Technology (Question and Answer) 20171105 - HCBBS Forum
72. What is the best way to understand the full form of Acc. here? - HCBBS Forum
73. Help calculate how much heat exchange area is needed? ? - HCBBS Forum
74. What to do when the principle of fail-open operation for the pneumatic emergency shut-off valve conflicts with that of the check valve? - HCBBS Forum
75. Coal tar hydrogenation - HCBBS Forum
76. Formatting for abnormal operations on positions - HCBBS Forum
77. Basic Process Knowledge (True/False Questions) 20171028 - HCBBS Forum
78. Fundamentals of Manufacturing Processes (True/False Questions) 20170930 - HCBBS Forum
79. 2017·12 Process Division Incentive Haichuan Coin Allocation Plan - HCBBS Forum
80. Steam produces different results in different reactors - HCBBS Forum
81. Classification of water used in workshops - HCBBS Forum
82. When diverting steam from the main steam pipeline for use in the heat exchanger, is it necessary to consider whether there is enough steam available? How to calculate - HCBBS Forum
83. 【Mechanical Equipment Technology Edition】Daily Question 2017091002 – Rewards for Replies - HCBBS Forum
84. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (November 10) - HCBBS Forum
85. How many exhaust streams can a chimney accommodate at most? ? Are there any regulatory requirements? - HCBBS Forum
86. Factors affecting the discharge pressure of centrifugal compressors - HCBBS Forum
87. The overpressure water seal tank for the ammonia tank isn’t working (great thanks) - HCBBS Forum
88. Fundamentals of Processing Technology (Multiple Choice) 20171204 - HCBBS Forum
89. 【Wisdom comes from hard work】05 Bookshelf - HCBBS Forum
90. Fundamentals of Manufacturing Processes (True/False Questions) 20171122 - HCBBS Forum
91. Fundamentals of Manufacturing Processes (Multiple Choice) 20171113 - HCBBS Forum
92. Fundamentals of Manufacturing Processes (True/False Questions) 20171125 - HCBBS Forum
93. Selection of insulation and heat protection materials and their thicknesses for equipment and pipelines - HCBBS Forum
94. Effect of cold separation on ammonia separation - HCBBS Forum
95. Operation status of the traps in the flash line of the loop pipe polypropylene plant - HCBBS Forum
96. 【HVAC Version】Daily Question 20171231 - HCBBS Forum
97. Fundamentals of Manufacturing Processes (Multiple Choice) 20180105 - HCBBS Forum
98. DNV PHAST calculation - HCBBS Forum
99. Sealing of reaction vessels with stirring and vacuum function and ordinary crystallizers - HCBBS Forum
100. What standards are followed for the specifications and dimensions of sanitary-grade stainless steel pipes and sanitary-grade ball valves? ? - HCBBS Forum