English — Forum #337 (Page 156/163)

1. Are there any issues with the distillation system design? - HCBBS Forum
2. Can resin be regenerated with nitric acid? - HCBBS Forum
3. Denitration ammonia water evaporator - HCBBS Forum
4. 【Daily Topic】【HVAC Version 20170425】 - HCBBS Forum
5. Expansion tank selection - HCBBS Forum
6. Can several monitoring points of a heat transfer oil boiler be sealed with PTFE tape? - HCBBS Forum
7. How to determine the location of an eye washer - HCBBS Forum
8. 【Daily Topic】【Quality Edition 20170601】 - HCBBS Forum
9. Do you know anything about UOP high-throughput tubes? - HCBBS Forum
10. Team Management II: Performance Evaluation - HCBBS Forum
11. Tubular heating furnace - HCBBS Forum
12. 【Daily Topic】【HVAC Version 20170527】 - HCBBS Forum
13. Must the tank area be treated for impermeability? - HCBBS Forum
14. Inlet flow velocity of the vacuum tube to the atmosphere? - HCBBS Forum
15. Regarding activated carbon filtration - HCBBS Forum
16. Dust has strong electrical conductivity, which causes the electrostatic precipitator to be broken down; how can this be resolved? ! - HCBBS Forum
17. Who is most responsible for the errors in the design drawings? - HCBBS Forum
18. Effects of high return water temperature in heat exchanger circulation water - HCBBS Forum
19. Compressor discussion - HCBBS Forum
20. How to convert traffic volumes - HCBBS Forum
21. Torch emergency knowledge - HCBBS Forum
22. Why are there multiple exhaust pipes in one chimney? - HCBBS Forum
23. Need help with nitrogen sealing calculations! ! - HCBBS Forum
24. The carbon monoxide content in nitrogen produced by cryogenic nitrogen production is as high as 1.5% – how to solve this? ! - HCBBS Forum
25. Pressure gauge - HCBBS Forum
26. What are the distance requirements between pipelines, pipe racks, and buildings for liquefied hydrocarbons, flammable liquids, and flammable gas media? - HCBBS Forum
27. Who has any books related to bag dust collectors? Recommend it! ! Thank you - HCBBS Forum
28. How are fire foam or water spray systems installed in storage tanks? Which specialty will handle it? ? - HCBBS Forum
29. Fruuctose industry - HCBBS Forum
30. Seeking help with constant-rate pressure release control method - HCBBS Forum
31. Be sure to pay attention to these when the expansion device comes into contact with the valve - HCBBS Forum
32. Filling of liquid ammonia liquefied gas cylinders - HCBBS Forum
33. 【Daily Topic】【HVAC Version 20170313】 - HCBBS Forum
34. Recycled oil; manufacturers specializing in the further processing of used lubricants seeking help - HCBBS Forum
35. I hope to get sample design plans for cold storage facilities - HCBBS Forum
36. Cooling method selection for magnesium sulfate heptahydrate crystallization - HCBBS Forum
37. The issue of acid dissolution temperature increase during the preparation of secondary seeds in titanium dioxide production - HCBBS Forum
38. Differences between the preparation of process packages for batch plants and those for continuous plants - HCBBS Forum
39. Seeking help with flue gas desulfurization and crystallization - HCBBS Forum
40. 【Daily Topic】【HVAC Version 20170228】 - HCBBS Forum
41. Responsibilities of process specialists and technicians - HCBBS Forum
42. [Weekly Image] Catalytic Coking Reformate Blending Version (First image of March 2017) - HCBBS Forum
43. Control of the steam generation rate in the drum - HCBBS Forum
44. I would like to ask what kind of valve is suitable for installing as a closing valve on a DN300 air duct? - HCBBS Forum
45. Free mobile computing software - HCBBS Forum
46. I have a question regarding the forced circulation in reboilers - HCBBS Forum
47. Calculating the optimal thickness for insulation is really tricky! - HCBBS Forum
48. 【Daily Topic】【HVAC Version 20170602】 - HCBBS Forum
49. 【Daily Topic】【HVAC Version 20170517】 - HCBBS Forum
50. Tier 3 cyclone separators are required to operate at high temperatures of around 680°C for extended periods; what happens if the temperature exceeds 700°C? - HCBBS Forum
51. Calculation of explosivity in urea venting - HCBBS Forum
52. “Daily Share 4.21” Where does all the time go? - HCBBS Forum
53. Dear masters, there are urgent issues related to the filters that need to be resolved! ! ! ! - HCBBS Forum
54. Do hydrogen vent pipes need to undergo pressure testing and leak testing? - HCBBS Forum
55. Selection of steam pipeline materials - HCBBS Forum
56. Wastewater treatment: the pH value keeps changing, how to deal with it? Thank you very much - HCBBS Forum
57. E-book materials~Main working principles of centrifugal presses and auxiliary equipment (V) - HCBBS Forum
58. Natural gas calorific value - HCBBS Forum
59. Why do chemical processing equipment have pressure drop limits? - HCBBS Forum
60. Physical property parameters of niacin - HCBBS Forum
61. Calculation of the wetted area under fire conditions. - HCBBS Forum
62. Are there any regulations stating that acid and alkali storage tanks must be equipped with dikes? Is it necessary to separate the acid and alkali storage tanks with a dike? - HCBBS Forum
63. Petrochemical additives and petroleum product manufacturing technologies - HCBBS Forum
64. Why is the equivalent length of a gate valve 8D, while that of a ball valve is 30D? - HCBBS Forum
65. Discussion on the distillation limit - HCBBS Forum
66. Request product catalog for RTO two-chamber and three-chamber lift valves - HCBBS Forum
67. 【Haixin Chemical Cup ★ Haichuan Chemical: Spring Has Arrived】077 Cao Yu Park in Spring - HCBBS Forum
68. Does anyone have any information on hot air furnaces? - HCBBS Forum
69. 【Daily Topic】【HVAC Version 20170215】 - HCBBS Forum
70. What are the completion documents? ? ? More comprehensively - HCBBS Forum
71. What materials are used for rockets? - HCBBS Forum
72. Evaporative crystallization - HCBBS Forum
73. Urgent request to the organization: Issue with the liquid feeding method for flammable liquid storage tanks - HCBBS Forum
74. Which code specifies the fire protection distance between reactors containing flammable liquids or gases and other buildings? - HCBBS Forum
75. Seeking advice on cofferdam issues - HCBBS Forum
76. Technical exchange on maintenance and major repairs of Dongfulong pharmaceutical lyophilizers, with complimentary basic learning materials* - HCBBS Forum
77. [Weekly Image] Catalytic Coking Reformate Blending Version (Second image of March 2017) - HCBBS Forum
78. What are the differences in the design of fire dikes for Class A and B storage tanks within the facility, as compared to those for Class A and B storage tanks in the storage tank area? ? - HCBBS Forum
79. Regarding the conversion of units - HCBBS Forum
80. For positive-pressure transfer using a cyclone separator, is a ash hopper needed? Without an ash hopper, will dust-containing gas be discharged from the lower part? - HCBBS Forum
81. Problems with pressure gauges and thermometers - HCBBS Forum
82. Regarding the adjustment of the opening degree of pipeline valves, is this considered valve resistance? And how should the flow velocity be determined? - HCBBS Forum
83. Which is more energy-efficient, a Roots blower or a centrifugal fan? ! - HCBBS Forum
84. Fly ash curing - HCBBS Forum
85. What is the purpose of installing a manhole at the top of a storage tank? ? ? - HCBBS Forum
86. Scaling problem in calcium chloride reboilers - HCBBS Forum
87. [Weekly Image] Catalytic Coking Reformate Blending Version (Fifth Image of March 2017) - HCBBS Forum
88. Natural gas contains methanol, n-hexane, etc., which causes freezing and blockages in the liquefaction cryogenic tank - HCBBS Forum
89. JP300xp in DCS system - HCBBS Forum
90. Issues in the treatment of hydrogen sulfide waste gas - HCBBS Forum
91. [Weekly Image] Catalytic Coking Reformate Blending Version (Third image of March 2017) - HCBBS Forum
92. Heat exchanger calculation - HCBBS Forum
93. What is the principle and significance of using nitrogen sealing for horizontal storage tanks? - HCBBS Forum
94. Charging of the methanation reactor - HCBBS Forum
95. Are there any distance requirements between the loading/unloading nozzles for Class A and Class B liquids and the roads? It is not specified in the building codes - HCBBS Forum
96. Chemical engineering design - HCBBS Forum
97. How to prevent corrosion in high-temperature flue ducts before insulation? - HCBBS Forum
98. Nitrogen inert gas shielded reaction kettle - HCBBS Forum
99. Help analyze the reasons why the ammonia nitrogen removal via acidic water stripping is not satisfactory - HCBBS Forum
100. Latest PTA process - HCBBS Forum