English — Forum #337 (Page 71/163)

1. For low-pressure steam at 0.3 MPa with a mass flow rate of 2 t/h and constant V, what is the mass flow rate when it is converted to high-pressure steam at 1.4 MPa? - HCBBS Forum
2. Is there a problem with the steam drum in the steam generator (boiler)? - HCBBS Forum
3. The device outlet and the pipeline have different pressure ratings; see the diagram - HCBBS Forum
4. What should be the liquid level control in the shell side of a horizontal heat exchanger to achieve the best evaporation area? How to calculate it? Thank you - HCBBS Forum
5. The process parameter is controlled at 40 degrees - HCBBS Forum
6. Ask a question - HCBBS Forum
7. Why is there foam in the MVR falling-film evaporator? - HCBBS Forum
8. Chemical process software - HCBBS Forum
9. Choosing a good carbonizer is simple once you know the right method! - HCBBS Forum
10. [Daily Question] Basic Process Knowledge (True/False) 20190813 - HCBBS Forum
11. For gases heated to 280–300, what is the best method? - HCBBS Forum
12. PID diagram - HCBBS Forum
13. Chemical composition of 08Ni3DR, mechanical properties of 08Ni3DR, impact temperature of 08Ni3DR, yield strength, tensile strength - HCBBS Forum
14. What pressure can a horizontal combustion furnace withstand - HCBBS Forum
15. Due to high upstream pressure, how should the discharge volume of the safety valve in high-temperature hot water pipelines be calculated? Thank you - HCBBS Forum
16. Set pressure of the safety valve on the liquid chlorine storage tank - HCBBS Forum
17. Please ask an expert for help - HCBBS Forum
18. Equipment corrosion issue - HCBBS Forum
19. How should ferrosilicoaluminum be selected for steelmaking? - HCBBS Forum
20. What PID control strategy should be used to control the pressure at the inlet and outlet of a tank, thereby regulating the flow rate inside the tank? - HCBBS Forum
21. Calculation of the height of the U-shaped pipe in the return pipeline - HCBBS Forum
22. Meaning of the abbreviation for pyrolysis device - HCBBS Forum
23. Has the membrane-based recovery of acidic wastewater from titanium dioxide produced by the sulfuric acid method been successful? - HCBBS Forum
24. Calculation method for fluid impact load on pressure pipelines - HCBBS Forum
25. Quick Reference Manual for the Installation Design of Petrochemical Pipelines - HCBBS Forum
26. Application issues of using high-temperature steam to directly heat water - HCBBS Forum
27. Temperature measurement in the pilot plant - HCBBS Forum
28. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190917 - HCBBS Forum
29. The relationship between naphtha and aromatics - HCBBS Forum
30. Petrochemical Design Manual, Revised Edition, Volume 2: Standards and Specifications - HCBBS Forum
31. Is it necessary to install a vent valve on a 20-cubic-meter methanol tank after sealing it with nitrogen? - HCBBS Forum
32. [Daily Question] Basic Process Knowledge (True/False Questions) 20190611 - HCBBS Forum
33. Standard specification download - HCBBS Forum
34. Seeking help with the calculation of raw material ratios for copper smelting in converters and anode furnaces - HCBBS Forum
35. Material cooling rate - HCBBS Forum
36. Does quartz sand, which contains silicon dioxide, resist alkalis? ? - HCBBS Forum
37. How deep can a thermometer and a pH meter be inserted into the water in a tank, when placed on the top of the tank? - HCBBS Forum
38. Discuss the carbon dioxide absorption process in tail chlorine again? - HCBBS Forum
39. Oil-water separation problem - HCBBS Forum
40. Piping issues - HCBBS Forum
41. Length of the seismic metal flexible hose for the storage tank - HCBBS Forum
42. New Perspectives on Gas-Liquid Two-Phase Flow - HCBBS Forum
43. Understanding of the relevant provisions in the design codes for oxygen stations - HCBBS Forum
44. Seeking help with the issue of rising height - HCBBS Forum
45. Please help me calculate the resistance and height based on the simple diagram. - HCBBS Forum
46. Design temperature of the insulated pipeline - HCBBS Forum
47. Equipment load capacity – selection of steel sections - HCBBS Forum
48. [Daily Question] Basic Process Knowledge (True/False Questions) 20190727 - HCBBS Forum
49. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05-08] - HCBBS Forum
50. On the production of vinyl acetate by the ethylene method - HCBBS Forum
51. How is it determined who will use the tube side and who will use the shell side in a shell-and-tube heat exchanger? - HCBBS Forum
52. Seeking advice on insulation for pipeline systems of cryogenic safety valve systems such as LNG - HCBBS Forum
53. How to remove copper ions from sulfuric acid - HCBBS Forum
54. Calculation of emergency discharge volume for atmospheric and low-pressure storage tanks - HCBBS Forum
55. Can changing the heat treatment process, without altering the composition of austenitic stainless steel castings, modify the ferrite content? - HCBBS Forum
56. Is there any friend who is familiar with or has used Na-β-A2O3 ceramic membranes? - HCBBS Forum
57. Seeking information on trichlorobenzene and 3,5-dichlorobenzoyl chloride technology - HCBBS Forum
58. How to remove chlorides from sodium nitrate to the greatest extent possible - HCBBS Forum
59. Electrodes for mist removal in sulfuric acid plants - HCBBS Forum
60. Definition of chlorination reaction - HCBBS Forum
61. Questions about substances related to hydrazine - HCBBS Forum
62. What type of heat exchanger is suitable for heat exchange between gases? - HCBBS Forum
63. Unloading temperature of low-temperature propane - HCBBS Forum
64. Selection of pipe diameter for the pipeline ahead of the burner - HCBBS Forum
65. How to calculate the water consumption for a water cooler - HCBBS Forum
66. The outlet of the vertical oil-free reciprocating vacuum pump WLW-300 can be equipped with a safety valve - HCBBS Forum
67. Recovery of residual liquids and gases in flexible hoses and pipelines - HCBBS Forum
68. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190921 - HCBBS Forum
69. What does the absorption load H2S molecules/amine molecules ratio mean? - HCBBS Forum
70. The disk coating process replaces electroplated screws for corrosion protection - HCBBS Forum
71. Petroleum and natural gas skid-mounted equipment - HCBBS Forum
72. How should the process be designed to convert the -19℃ ethylene glycol solution used in utility applications into a -15℃ calcium chloride solution? - HCBBS Forum
73. [Daily Question] Basic Process Knowledge (True/False) 20190614 - HCBBS Forum
74. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190927 - HCBBS Forum
75. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05–10] - HCBBS Forum
76. Introduction to Gas-Liquid Two-Phase Flow Jet Reactor Technology - HCBBS Forum
77. How should we understand that a concentration difference is necessary for a distillation process to take place? - HCBBS Forum
78. HDO technical information - HCBBS Forum
79. Seek the proceedings of the 116th Annual Meeting of the Fuel and Petrochemical Manufacturers Association (AFPM) - HCBBS Forum
80. Please send detailed materials on falling film absorbers and exhaust gas absorption - HCBBS Forum
81. What specifications should be followed when using ethylene oxide cylinders? - HCBBS Forum
82. I was wondering if submitting a project application across provinces would be complicated, and whether it would cost more money? - HCBBS Forum
83. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190913 - HCBBS Forum
84. The function of leaving a bevel edge with a root gap in welds - HCBBS Forum
85. Calculation of flat cover heads - HCBBS Forum
86. What to do if I can’t find the B-curve graph for the external pressure stress coefficient of certain materials? - HCBBS Forum
87. A design for a special flash tank. - HCBBS Forum
88. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190930 - HCBBS Forum
89. Problems with sealed samplers for atmospheric pressure storage tanks - HCBBS Forum
90. For the device airtightness test, which is better – nitrogen/steam/air – depending on the available conditions? - HCBBS Forum
91. Determination of CO medium toxicity in the pressure pipeline characteristics table - HCBBS Forum
92. Regarding the color of the gas in case of nitric acid leakage - HCBBS Forum
93. A cut-off valve cannot be equipped with a bypass - HCBBS Forum
94. Can industrial silicon slag really replace ferrosilicon? Don’t be silly - HCBBS Forum
95. [Process Engineering Division – Chemical Components Forum – Daily Question – Questions 05-14] - HCBBS Forum
96. Can a slightly damaged octagonal gasket made of 316L material with a DN1000 size be repaired? - HCBBS Forum
97. Single-unit trial run - HCBBS Forum
98. acidic water - HCBBS Forum
99. Waste heat utilization - HCBBS Forum
100. Is it mandatory to design a certain number of manholes and access holes, or can it be determined according to needs? - HCBBS Forum