English — Forum #337 (Page 58/163)

1. What is the difference between integrated and separate ultrasonic flowmeters? - HCBBS Forum
2. Factors affecting the abnormal discharge temperature at the final stage of the two-effect evaporator - HCBBS Forum
3. (Seeking help) Is it in compliance with the specifications to transfer 1 unit of equipment from Plant A to Plant B for installation? - HCBBS Forum
4. The air density value in the handbook of physical properties of chemicals and chemical engineering products is incorrect - HCBBS Forum
5. Seeking advice on the vulcanization process for carboxybutyl nitrile latex - HCBBS Forum
6. Is there a specified minimum service life requirement for equipment design (atmospheric and pressure vessels)? - HCBBS Forum
7. The effect of acetylene in polymer-grade propylene and how to remove it during the refining process - HCBBS Forum
8. Carbonization technology for sugarcane bagasse and filter sludge - HCBBS Forum
9. Fire separation distance in tank farm area - HCBBS Forum
10. How to deal with the constant clogging of the discharge pipe in the limestone powder silo? - HCBBS Forum
11. Is the pump inlet pipeline a regulated pressure pipeline? - HCBBS Forum
12. Steel frame static bonding - HCBBS Forum
13. How to estimate the price of high-pressure steam? For example, how much does steam at 6 MPa cost per ton? - HCBBS Forum
14. Contact information for legitimate domestic agents of well-known foreign steel manufacturers - HCBBS Forum
15. Selection and calculation of rotary compensators - HCBBS Forum
16. Can someone help me figure out how to solve this problem? - HCBBS Forum
17. Material for special hydrochloric acid storage tanks - HCBBS Forum
18. The hydrolysis conversion rate of organic sulfur is a key factor in the desulfurization technology for blast furnace gas - HCBBS Forum
19. In crystal growth systems, what is the difference between vertical heat exchangers and horizontal heat exchangers? - HCBBS Forum
20. Material selection for hydrogenation cold high-pressure separator - HCBBS Forum
21. Ask for help about solid-liquid separation - HCBBS Forum
22. Understanding of Article 3.0.2 on petrochemical specifications - HCBBS Forum
23. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200211 - HCBBS Forum
24. Is it reasonable to install the safety valve on the ground? Does it meet the specification? - HCBBS Forum
25. Help needed - HCBBS Forum
26. Calculation of hydrogen partial pressure - HCBBS Forum
27. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200116 - HCBBS Forum
28. How do I calculate this? I’m seeking help from experts - HCBBS Forum
29. What is the relationship between the acute toxicity and extreme hazard of the gc1 pipeline, and its high hazard? - HCBBS Forum
30. Liquid-phase pipelines, liquid with viscosity similar to that of water, temperature around 300 degrees Celsius; it is necessary to achieve a pressure increase of 0.2 MPa in these pipelines – what options are available? - HCBBS Forum
31. Process Package Review - HCBBS Forum
32. Working principle of the temperature control switch in a hair dryer - HCBBS Forum
33. Can a PLC replace a SIS system? - HCBBS Forum
34. Which city has the most chemical enterprises in China? - HCBBS Forum
35. Regarding the selection of tank accessories - HCBBS Forum
36. How to calculate the residence time of pulverized coal in the gasifier? - HCBBS Forum
37. Commissioning operation of waste gas and waste liquid incinerator - HCBBS Forum
38. Heating tube selection - HCBBS Forum
39. Regarding pipe diameter - HCBBS Forum
40. What type of control system is it that consists of one temperature controller, another temperature controller, and then two valves? - HCBBS Forum
41. Quality requirements for steam and pressure levels for steam ejectors - HCBBS Forum
42. I would like to ask: Is there any condensate formed when toluene in exhaust gas condenses, and how can this be simulated using ASPEN? - HCBBS Forum
43. Selection of laboratory instruments - HCBBS Forum
44. Solutions for large pressure fluctuations in the polypropylene powder conveying system? ? - HCBBS Forum
45. How to solve the heat exchange problem of disperse dye coupling reaction - HCBBS Forum
46. What are the inner flange and outer flange of the centrifugal compressor outlet valve? - HCBBS Forum
47. How to define GC3? - HCBBS Forum
48. Are there any experts in DMF recovery? I have some questions I’d like to ask. - HCBBS Forum
49. [Daily Question] Basic Process Knowledge (True/False: Fill in “√” for correct and “×” for incorrect) May 8, 2020 - HCBBS Forum
50. Automotive urea - HCBBS Forum
51. Under what circumstances are metal flexible pipes needed at the pump’s inlet and outlet? - HCBBS Forum
52. In large reaction vessels, when high-speed heat transfer is required, a tube bundle heat exchanger is installed inside the vessel. What are the design requirements for such a tube bundle heat exchanger? - HCBBS Forum
53. Seek a solution - HCBBS Forum
54. Ask for advice - HCBBS Forum
55. The 19-year-old **guidelines in the industrial catalog regarding the phasing out of wet flue gas desulfurization systems that do not come equipped with sulfur recovery units - HCBBS Forum
56. Is swapping the \"8\"-shaped blind flange considered a special operation? Are there any relevant standards? - HCBBS Forum
57. Is the implementation plan for the relocation work related to the slum renovation project in the coalification industrial park a regulatory document?... - HCBBS Forum
58. Insulation issues with austenitic stainless steel - HCBBS Forum
59. [Help] Seeking safety experience sharing from a natural gas purification plant - HCBBS Forum
60. [Daily Question] Basic Process Knowledge (True/False Questions) 20191125 - HCBBS Forum
61. What is the difference between standard error and standard deviation? std.error & std.deviation - HCBBS Forum
62. Determination of chimney dimensions - HCBBS Forum
63. Which department is responsible for compiling the self-protection interlock management system? - HCBBS Forum
64. How is pipe insulation done to prevent frost damage? - HCBBS Forum
65. Operating condition issues - HCBBS Forum
66. Can a valve be added to the liquid seal? - HCBBS Forum
67. Can a breather valve be used in acid water tanks to prevent oil and gas from leaking out? - HCBBS Forum
68. Distance between the liquefied gas tank and its associated pump room - HCBBS Forum
69. [Daily Question] Basic Process Knowledge (True/False Questions) 201912 5 - HCBBS Forum
70. purification - HCBBS Forum
71. Are air pressure and nitrogen pressure nitrogen seals considered hazardous chemicals? - HCBBS Forum
72. What should be included in the on-site inspection of microcomputer-based relay protection devices? - HCBBS Forum
73. A market worth hundreds of billions for RF chips: guidelines for domestic substitution - HCBBS Forum
74. Are refined slag and slag decomposing agents the same product? - HCBBS Forum
75. Legend in the PID diagram - HCBBS Forum
76. [Daily Question] Basic Process Knowledge (True/False: Fill in “√” for correct and “×” for incorrect) May 14, 2020 - HCBBS Forum
77. May I ask which websites can be used to view publicized projects, project details, products, environmental impact assessment announcements, and project contacts? - HCBBS Forum
78. When designing a reactor, how should the heating rod be selected and sized? - HCBBS Forum
79. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200302 - HCBBS Forum
80. Discussion on heat transfer in microchannels - HCBBS Forum
81. Denitration catalyst - HCBBS Forum
82. I would like to ask how to calculate the temperature of superheated steam - HCBBS Forum
83. Connection method of the waterproof switch circuit - HCBBS Forum
84. Comparison of alkylation processes - HCBBS Forum
85. Questions about fluids - HCBBS Forum
86. Questions regarding the sterilization and algae control of cooling circulating water in central air conditioning systems - HCBBS Forum
87. [Daily Question] Basic Process Knowledge (True/False Questions) 20191109 - HCBBS Forum
88. Full-process nitrogen sealing - HCBBS Forum
89. [Daily Question] Basic Process Knowledge (Multiple Choice) 20191228 - HCBBS Forum
90. [Daily Question] Basic Process Knowledge (True/False Questions) 20191124 - HCBBS Forum
91. How is continuous operation achieved in chemical reactions that produce solids in the industrial sector? - HCBBS Forum
92. guided crystallization - HCBBS Forum
93. Brief description of the transformation (total transformation) process flow - HCBBS Forum
94. Regarding the classification of liquefied gas storage tanks, I need help - HCBBS Forum
95. Complete production process and equipment for water treatment chemical monomers - HCBBS Forum
96. I am working on my graduation project and need some help - HCBBS Forum
97. What are the differences between isothermal and adiabatic transformations in a shift reactor? - HCBBS Forum
98. Test the pump current - HCBBS Forum
99. Discussion on the approaches for process gas separation - HCBBS Forum
100. Is it reasonable for an evaluation company to request the design firm to provide a stamped version of the general plan? - HCBBS Forum