English — Forum #337 (Page 52/163)

1. Changing from a headed deaerator to a headless deaerator - HCBBS Forum
2. Equipment process parameter management - HCBBS Forum
3. Gas seal issue - HCBBS Forum
4. Are there any standards for imposing fines when the production site does not comply with safety design requirements? - HCBBS Forum
5. Improvements at Fushun Petrochemical - HCBBS Forum
6. Experts, I would like to ask whether, in addition to the requirement for emergency ventilation, there are any specific requirements regarding mechanical ventilation for Class A factories. Thank you - HCBBS Forum
7. Reasons for choosing 0.6 Mpa or 0.8 MPA for screw compressors in industrial design - HCBBS Forum
8. Sinopec discusses plans to expand the ethylene production facility at Fujian United Petrochemical Company - HCBBS Forum
9. I would like to ask the teachers: what is the difference between Jinhua furnaces and aerospace furnaces? - HCBBS Forum
10. Should copper-based corrosion inhibitors be added to the circulating cooling water? - HCBBS Forum
11. Workshop high-level tank - HCBBS Forum
12. High-value problem - HCBBS Forum
13. What are some uncommon types of equipment, and what are some uncommon pipe fittings, valves, and instruments? - HCBBS Forum
14. Lao K says every week – talking about things in the petrochemical design industry. Post 45: The modern corporate system has been exploited by those who are bold enough - HCBBS Forum
15. Turning losses into profits: Sinopec Corporation (00386) reported a net profit attributable to the parent company of 17.929 billion yuan in the first quarter - HCBBS Forum
16. On the application of automatic ignition technology in hydrogen chloride synthesis furnaces - HCBBS Forum
17. Structural dimensions and scale of methanol cracking hydrogen production reactors - HCBBS Forum
18. Does the compressor at the outlet of the cyclone separator have a significant impact on its performance? - HCBBS Forum
19. Water is vaporized by steam - HCBBS Forum
20. Valves for hydrogen pipelines - HCBBS Forum
21. Should the steam pipeline network within the plant be counted as one pressure pipeline or multiple? - HCBBS Forum
22. Forced-circulation reboiler - HCBBS Forum
23. How much does fluid temperature affect the flow resistance loss of a fluid? - HCBBS Forum
24. DMF distillation - HCBBS Forum
25. Three cross-valves of the steam flow meter - HCBBS Forum
26. What is the maximum temperature resistance of temporary gaskets made by cutting asbestos sheets oneself? What is the voltage tolerance? - HCBBS Forum
27. Dear experts, may I ask whether a fire involving toluene counts as a hydrocarbon fire? - HCBBS Forum
28. Calculation of the horizontal thrust at the sliding end of the saddle - HCBBS Forum
29. Does a low-flow pump require consideration of a minimum flow return line? - HCBBS Forum
30. Fine chemical industry of wet phosphoric acid - HCBBS Forum
31. The function of this blind flange - HCBBS Forum
32. Formaldehyde viscosity - HCBBS Forum
33. Post on the distribution of wealth rewards for Process Area in June 2020 - HCBBS Forum
34. Gasoline deodorization catalyst and activated carbon - HCBBS Forum
35. For the venting section of storage tanks, is it better to use a nitrogen seal or a water seal? - HCBBS Forum
36. Preparation of the feasibility study report - HCBBS Forum
37. Help: Filtering materials resistant to titanium tetrachloride corrosion - HCBBS Forum
38. Regarding whether DCS can send signals to SIS - HCBBS Forum
39. Old K says every week – talking about things in the petrochemical design industry. Post 42: A cost analysis of hydrogen energy - HCBBS Forum
40. Forming temperature for austenitic stainless steel heads - HCBBS Forum
41. Equipment drawings and processes for pesticide factories - HCBBS Forum
42. Wastewater evaporation for salt extraction - HCBBS Forum
43. Seek help: Process flow diagram for the production of 4-(trifluoromethyl)benzyl chloride - HCBBS Forum
44. Question regarding the installation of an emergency shut-off valve 10 meters outside the flexible hose - HCBBS Forum
45. There is a process-related issue that needs to be checked by the experts - HCBBS Forum
46. Loss! Saudi Aramco, Sinopec, PetroChina's profits fell by more than 40% in 2020, ExxonMobil, BP, Chevron and ConocoPhillips suffered losses - HCBBS Forum
47. What kind of pump is suitable for plate and frame filter pressing? It must also be resistant to acid and chloride corrosion - HCBBS Forum
48. Thermal insulation (heat retention, cold retention, heat protection) thickness calculation table - HCBBS Forum
49. Methanol to olefins catalyst - HCBBS Forum
50. How to learn to read logic diagrams quickly - HCBBS Forum
51. Chlorination renewal - HCBBS Forum
52. For MTBE plants where the sulfur content in the residual C4 fraction is high, do any of you have any good solutions? - HCBBS Forum
53. Liquid seal tank design - HCBBS Forum
54. Chloropropene is used to produce polychloropropylene - HCBBS Forum
55. Cheapest: General Volume on Hazardous Chemicals, 3rd Edition - HCBBS Forum
56. Vent pipe valve settings - HCBBS Forum
57. Could you recommend some manufacturers in China that can produce acraldehyde reactors? - HCBBS Forum
58. What is the essence of gas-liquid mass transfer? Could some expert explain this in detail? - HCBBS Forum
59. Information on ammonia cracking - HCBBS Forum
60. Old K says every week – Talking about things in the petrochemical design industry. Post 23: Design specialty codes - HCBBS Forum
61. What kind of pump can be used to pump ion exchange resin without damaging it? ? - HCBBS Forum
62. Discussion on the steam consumption of individual devices - HCBBS Forum
63. Thermodynamics: An Engineering Approach, 9th Edition - HCBBS Forum
64. These several technical terms - HCBBS Forum
65. Who has an electronic version of the book \"Fluids Flowing Through Valves, Fittings, and Pipes – Fluid Calculations-TP410\"? - HCBBS Forum
66. The live load on the floor is 3 kn/m2; can people walk on it? - HCBBS Forum
67. What values should be assigned to K1 and K2 for the three-parameter control of the waste heat boiler? - HCBBS Forum
68. Sharing of standards for chemical process design drawings - HCBBS Forum
69. Seeking help in selecting the right profile! ! ! ! - HCBBS Forum
70. Minimum diameter of the stripping tower - HCBBS Forum
71. Problems in the layout of oxygen pipelines in areas where there is a small amount of coal gas in the air - HCBBS Forum
72. Explosion mechanism and reaction of 2-nitrobutane - HCBBS Forum
73. Three-phase horizontal spiral centrifuge - HCBBS Forum
74. Automated design for the steam-to-circulating water switching process in reaction vessels - HCBBS Forum
75. Should macrokinetics or intrinsic kinetics be used for reactor calculations? - HCBBS Forum
76. Ammonia synthesis, high-pressure ammonia separator, medium-pressure ammonia separator, temperature setting - HCBBS Forum
77. Issues with the high, high limit, low, and low-low limits for DCS production units - HCBBS Forum
78. Leakage issue in PVC resin silo - HCBBS Forum
79. Piping issues - HCBBS Forum
80. Power on/off of the solenoid valve in the dry gas seal booster pump - HCBBS Forum
81. What exactly is the length of the solid wall? - HCBBS Forum
82. The mechanical seal of the enamel kettle 212 is leaking. Are there any temporary solutions that can be used to deal with this issue and allow it to be used for now? - HCBBS Forum
83. Open-ended Plum blossoms wrench - HCBBS Forum
84. Help! Solutions for red color of boiler water in low-pressure boilers - HCBBS Forum
85. I would like to ask what the meaning is behind the naming rules for the propane-based refrigerants HC-290 and R290 - HCBBS Forum
86. Does anyone have a high-resolution version of the chemical equipment catalog? - HCBBS Forum
87. Where in Jilin Province or Liaoning Province can I rent hydraulic wrenches? - HCBBS Forum
88. How is the density of the gas phase space in a storage tank calculated? - HCBBS Forum
89. Sodium hydroxide ethanol solution - HCBBS Forum
90. Calculation of ultra-high pressure pipeline diameter - HCBBS Forum
91. Obtaining certificates - HCBBS Forum
92. Amine liquid purifier for sulfur recovery unit - HCBBS Forum
93. What material should be used for this type of application? - HCBBS Forum
94. Issues regarding the selection of models for the final crystallization stage in CHEMCAD simulations of evaporation crystallization - HCBBS Forum
95. What is the purpose of using medium-pressure steam with a control valve in the inlet pipeline of the reduced-pressure heating furnace? - HCBBS Forum
96. Could anyone help me find the contact information for sales at Landor Basel? - HCBBS Forum
97. Issues regarding welding cracks in CF8C material - HCBBS Forum
98. Graduation - HCBBS Forum
99. Guess the HaiChuan equipment – what kind of equipment is it? - HCBBS Forum
100. Regarding siphon stabilization operation - HCBBS Forum