English — Forum #337 (Page 59/163)

1. Can a compressor with flammable gases in its exhaust gas be driven by a belt? - HCBBS Forum
2. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200121 - HCBBS Forum
3. What is the storage temperature for benzene when stored in tanks? - HCBBS Forum
4. [Daily Question] Basic Process Knowledge (True/False Questions) 201912 13 - HCBBS Forum
5. Things you must pay attention to when using carburizers for steelmaking! - HCBBS Forum
6. What do FV and FVT mean in a PID diagram? - HCBBS Forum
7. Dwell time - HCBBS Forum
8. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200110 - HCBBS Forum
9. Which standard is used for the acceptance of equipment foundations? - HCBBS Forum
10. What is the appropriate height for installing the thermometer used to measure the temperature of storage tanks? Are there any regulatory requirements? - HCBBS Forum
11. How to remove the 3mm rubber sheet from the tank lining - HCBBS Forum
12. Is it necessary to install toxic gas detection alarms for toxic liquids? - HCBBS Forum
13. Chemical cleaning of pipelines, stainless steel and carbon steel pipelines - HCBBS Forum
14. Seek parameters for calculating the plate height - HCBBS Forum
15. Can the flange gasket XB450 still be used? ? ? - HCBBS Forum
16. Seeking technical guidance on expertise in yellow phosphorus and thermal phosphoric acid processes - HCBBS Forum
17. On the reaction of alcohols with bases - HCBBS Forum
18. The reality and development of non-woven fabric production - HCBBS Forum
19. Expander outlet pressure - HCBBS Forum
20. What is the situation with Detong Coal Industry Co., Ltd. of Shanxi Tianrun Coal Chemical Group? - HCBBS Forum
21. What is the minimum reactor diameter below which manholes cannot be installed on the head? - HCBBS Forum
22. Calcium silicon aluminum barium for steelmaking - HCBBS Forum
23. Is there still a final verification of the pressure drop based on the actual instrument specification sheet when selecting pumps for the process? - HCBBS Forum
24. Acid-resistant and medium-temperature non-metallic materials - HCBBS Forum
25. Help, a newbie has a question - HCBBS Forum
26. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200223 - HCBBS Forum
27. Please advise on the valve code - HCBBS Forum
28. Propanol is hydrogenated to isopropyl alcohol - HCBBS Forum
29. Synthetic ammonia system - HCBBS Forum
30. Jacketed pipe length - HCBBS Forum
31. Regarding the term “wild” in wild gas, what is it relative to? Has grass grown there? Or should each person be in charge, or something else? - HCBBS Forum
32. What are the sterilization methods for atmospheric pressure storage tanks? - HCBBS Forum
33. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200305 - HCBBS Forum
34. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200106 - HCBBS Forum
35. Sampling for high-melting-point medium analysis - HCBBS Forum
36. Production of magnesium sulfate using high-temperature salts as a by-product of potassium chloride production - HCBBS Forum
37. CaesarII - HCBBS Forum
38. Is the thermal engineering field important in refineries? - HCBBS Forum
39. Is a vessel with a design pressure of less than 0.1 MPa considered a pressure-free vessel? Does it belong to pressure vessels? - HCBBS Forum
40. Identification of non-woven bags - HCBBS Forum
41. Purging and cleaning methods for chemical plants - HCBBS Forum
42. How should bromide ions at several thousand ppm in wastewater be treated? - HCBBS Forum
43. Can a fire water tank be placed on the roof of a factory with a Class A fire hazard? - HCBBS Forum
44. [Daily Question] Basic Process Knowledge (True/False) 2020.6.25 - HCBBS Forum
45. Differences between the two installation methods for flow meters and control valves - HCBBS Forum
46. epichlorohydrin - HCBBS Forum
47. Torch design - HCBBS Forum
48. Logic of compressor alarm - HCBBS Forum
49. What is the difference between this type of forced manual solenoid and a regular manual solenoid valve? - HCBBS Forum
50. Award-winning entries from the 2019 National College Students’ Chemical Engineering Design Competition - HCBBS Forum
51. 20 m^3/h, with water as the medium, what are the constant flow rate control methods? ! - HCBBS Forum
52. How to calculate enthalpy value - HCBBS Forum
53. Regarding the issue of adding concentrated sulfuric acid - HCBBS Forum
54. Is the so-called pre-distillation in an ethylene plant the quenching section? - HCBBS Forum
55. I have 4 embedded iron pieces for the filter base, but there are only 3 support legs for the filter. Is there any solution? - HCBBS Forum
56. What methods are used for solvent dehydration, such as for dichloroethane? - HCBBS Forum
57. Practical tips for air pollution control: On the integration and miniaturization of mainstream treatment processes (concentration wheel + RTO) - HCBBS Forum
58. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200316 - HCBBS Forum
59. Why are low-temperature medium pipelines required to have as short sections as possible and as few elbows as possible? - HCBBS Forum
60. Questions about the crystalline salts in the MVR process - HCBBS Forum
61. [Daily Question] Basic Process Knowledge (Multiple Choice) 20191107 - HCBBS Forum
62. Steam pipeline purging method? - HCBBS Forum
63. What is the typical leakage rating chosen for steam control valves these days? ? - HCBBS Forum
64. Is it because the torch requires that there should be no buildings within at least 60 meters? Is this statement correct? - HCBBS Forum
65. P&ID drawing explanation - HCBBS Forum
66. Reboiler dead zone - HCBBS Forum
67. Why do steam pipes need pressure regulators to reduce pressure? - HCBBS Forum
68. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200319 - HCBBS Forum
69. Vessel gas generation - HCBBS Forum
70. How should a layout diagram of a belt conveyor be drawn? - HCBBS Forum
71. Can all the equipment and instruments around areas with open flames be non-explosion-proof? - HCBBS Forum
72. The issue of energy utilization from pressure reduction in hydrogen media - HCBBS Forum
73. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200206 - HCBBS Forum
74. What is the stepped arrangement of tank groups? Fire dike issues for floating roof tank groups. - HCBBS Forum
75. Are there any books and materials on the treatment of exhaust gases and tail gases? - HCBBS Forum
76. Are shell-and-tube condensers effective for cooling exhaust gases (organic exhaust gases)? - HCBBS Forum
77. According to HG-T20570.2-95 on the installation and selection of safety valves, there are some doubts regarding the design of safety valves - HCBBS Forum
78. What are the common items that might be overlooked in engineering quotes? What omissions have you encountered? - HCBBS Forum
79. Differences between flash ignition and combustion, flash explosion and explosion - HCBBS Forum
80. Question for help: Under what circumstances should a bypass be installed for safety instruments? ! ! - HCBBS Forum
81. How can the drainage system for pipes carrying flammable and toxic fluids be made airtight? - HCBBS Forum
82. How can beginners learn *process design more efficiently - HCBBS Forum
83. Can industrial salts used for boiler water treatment be used for hot compresses? - HCBBS Forum
84. Stainless steel pipe behind the compressor at the gas station - HCBBS Forum
85. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200227 - HCBBS Forum
86. [Daily Question] Basic Process Knowledge (Multiple Choice) 20200404 - HCBBS Forum
87. Are there anyone who knows about the intellectual property related to manufacturing processes? - HCBBS Forum
88. Where can I carry out acrylic projects? - HCBBS Forum
89. Is an oxygen-alcohol ratio interlock necessary in the electrolytic silver process for formaldehyde production? - HCBBS Forum
90. Hengli Petrochemical’s 3.84 million tons per year wax oil hydrocracking unit - HCBBS Forum
91. [Daily Question] Basic Process Knowledge (Multiple Choice) 2020.6.1 - HCBBS Forum
92. Is it necessary to install a hydrogen chloride alarm for hydrochloric acid storage tanks? - HCBBS Forum
93. What materials should be used for pipes and valves at the drinking water level? What standards need to be followed? - HCBBS Forum
94. Secondary grouting for steel structures - HCBBS Forum
95. [Daily Question] Basic Process Knowledge (Multiple Choice) 20191025 - HCBBS Forum
96. Seeking help with the process of producing acetylene from natural gas - HCBBS Forum
97. Regarding the design pressure of hydrogen pipelines - HCBBS Forum
98. Steam main pipe safety valve discharge capacity - HCBBS Forum
99. What pipe material is used for 68% sulfuric acid? - HCBBS Forum
100. Ligand-based drug design as a method in computer-aided drug design - HCBBS Forum