English — Forum #336 (Page 16/51)

1. Please provide a PID diagram - HCBBS Forum
2. SHT 3007-2014 Code for Design of Tank Areas in Petrochemical Storage and Transportation Systems: Issues related to flexible connections and when hose connections should not be used? - HCBBS Forum
3. Regarding the various demands and conditions that arise during project construction – all those things that need to be taken into account – how do people make decisions on what to prioritize? - HCBBS Forum
4. Comparison of three fire protection codes - HCBBS Forum
5. How to recover olefin epoxidation – quaternary ammonium peroxotungstophosphate catalysts - HCBBS Forum
6. Seeking advice on the selection of height and heat load for a batch distillation column - HCBBS Forum
7. Design and calculation issues for small-scale chlorine gas absorption units used in liquid chlorine storage facilities - HCBBS Forum
8. Create several sets of identical installations, with only differences in scale; address the layout planning in accordance with petrochemical standards - HCBBS Forum
9. Is the return flow rate of the tower designed in advance? - HCBBS Forum
10. Case study on the consolidation of hazardous goods in Shanghai: UN2717 synthetic camphor, category 9 item 3077 zinc oxide, and category 9 item 3082 cinnamic acid phthaleate - HCBBS Forum
11. Calculation of the heat melting time for materials containing solids? - HCBBS Forum
12. Is a pipeline engineer the same as a process engineer? - HCBBS Forum
13. The problem of gas pressure in the tube - HCBBS Forum
14. Where can I find information on the classification, selection, and calculation of pumps? As shown in the figure - HCBBS Forum
15. Seeking help with physical property data - HCBBS Forum
16. Let’s talk about some of the mistakes in petrochemical standards over the years, in my opinion - HCBBS Forum
17. Boiler flue gas carbon capture technology - HCBBS Forum
18. Compressor plant issues - HCBBS Forum
19. Does building corrosion protection need to be considered for frozen brine? - HCBBS Forum
20. Free tutorial on how to use the steam turbine process calculation sheet - HCBBS Forum
21. Installation of flares throughout the plant - HCBBS Forum
22. Problems with the sampling hole placement on exhaust stacks - HCBBS Forum
23. Pebble paving issues in the tank farm area - HCBBS Forum
24. Distance between coal chemical process circulating water tower and power distribution equipment - HCBBS Forum
25. Scope of cold bending construction for metal pipes - HCBBS Forum
26. Explanation of Bernoulli’s equation - HCBBS Forum
27. “What is “design diagnosis”? What terms? - HCBBS Forum
28. Xinjiang: 7.03 billion yuan invested in a project for the clean and efficient comprehensive utilization of 6 million tons of low-grade coal - HCBBS Forum
29. Gas state conversion - HCBBS Forum
30. Calculation of fire-fighting water volume for fine chemical plants - HCBBS Forum
31. Is a one-button stop button installed at the site of the continuous production facility? - HCBBS Forum
32. 3D factory design software series for chemical engineering projects----Pdmax series - HCBBS Forum
33. What is the mechanical pump at the bottom of the tank for? - HCBBS Forum
34. Regarding the selection of steel structural materials - HCBBS Forum
35. Various ways of representing pipe sizes - HCBBS Forum
36. Can the outlet of the screw compressor be closed off completely? - HCBBS Forum
37. Discussion on the selection of equipment such as fluidized bed, fixed bed, and fluidized-bed reactors for coal-to-methanol synthesis processes - HCBBS Forum
38. Dear experts in the field of chemical engineering, I would like to ask that esterification reactions produce water, and currently benzene is used as a dehydrating agent. Is there any alternative dehydrating agent that can replace benzene? - HCBBS Forum
39. Reboiler design - HCBBS Forum
40. Manually operated sampling port on the chimney - HCBBS Forum
41. Pipeline seismic resistance - HCBBS Forum
42. Does anyone here know this device? - HCBBS Forum
43. N questions about nitrogen sealing of storage tanks - HCBBS Forum
44. Think about a question (how to control the temperature of the furnace) - HCBBS Forum
45. Do arsenic-containing wastewater pipelines qualify as pressure pipelines? - HCBBS Forum
46. What details need to be considered in the long-distance transportation design of gas-phase chlorine pipelines? - HCBBS Forum
47. Seeking advice on the design of combustible gas emission systems for different devices - HCBBS Forum
48. Lecture on the Use of Gravity Flow Pipeline Calculation Tables - HCBBS Forum
49. I have a question for the experts: What determines the vaporization rate of the reboiler in a distillation tower? Please advise... - HCBBS Forum
50. Is it necessary to install a negative pressure suction system for the accident relief equipment? - HCBBS Forum
51. Selection issues for high-flow, low-head pumps - HCBBS Forum
52. On the vaporization rate of kettle-type reboilers - HCBBS Forum
53. Generally, there are recommended flow rates for liquids and gases in process manuals. Is there a recommended flow rate for solids (artesian flow)? - HCBBS Forum
54. Design and manufacture - HCBBS Forum
55. Calculation of gas property coefficient problem - HCBBS Forum
56. Muffler reaction force calculation table - HCBBS Forum
57. There’s no USB drive plugged into the computer – how can there be such a drive letter? And there are many files inside it as well? - HCBBS Forum
58. Recycling of dichloromethane gas and treatment to meet regulatory standards - HCBBS Forum
59. Discussion on the thrust issue of the torch pipeline - HCBBS Forum
60. Isn’t there a distinction between main roads and secondary roads in the petrochemical regulations? - HCBBS Forum
61. On the saturated vapor pressure problem of the Antoine equation - HCBBS Forum
62. Process package for 100,000–120,000 tons per year caustic soda plant - HCBBS Forum
63. In HG/T20580, the appendix \"Tables for estimating loads on steel platforms, straight ladders, and tray decks\" is inconsistent with the old standards - HCBBS Forum
64. Help me calculate how many m3 of steam are equivalent to 100 tons and 89 kilograms at a temperature of 540°C - HCBBS Forum
65. 【Haichuan Equipment Guessing Game】Why is the design unconventional? ? ? - HCBBS Forum
66. Chemical Process Design Manual - Volume 2, 5th Edition, High Resolution with Table of Contents - HCBBS Forum
67. 【Haichuan Project Updates】Switch from propane to ethane as feedstock; EIA announcement for the diversification of feedstocks at Yantai Wanhua’s 1 million tons/year ethylene plant - HCBBS Forum
68. Long-distance jacking construction of hot water pipelines at around 90°C - HCBBS Forum
69. The issue of steam pipe thrust - HCBBS Forum
70. Which specialty is responsible for the design of rainstorm alarm valve assemblies? - HCBBS Forum
71. What’s included in various chemical process packages? - HCBBS Forum
72. Pressure swing adsorption purification of crude ethylene gas - HCBBS Forum
73. Propane-type liquids with an operating temperature above their flash point should be considered as ethane-type liquids - HCBBS Forum
74. Consultation: Treatment methods for low-concentration, low-volume sulfur dioxide waste gas - HCBBS Forum
75. I urge experts to clarify the alarm values and interlock values! - HCBBS Forum
76. Questions regarding the design and manufacture of stainless steel pressure vessels - HCBBS Forum
77. Does geological exploration require design institutes to meet certain conditions? - HCBBS Forum
78. I’m wondering if you know anything about the chlorobenzene production process - HCBBS Forum
79. Emergency shut-off valve - HCBBS Forum
80. Can vacuum distillation achieve continuous feeding and discharging! Experts, please give me some advice - HCBBS Forum
81. FRNC-5PC cannot be installed; it shows that a connection to the PCR is not possible - HCBBS Forum
82. Transformation problem of PDMS and PDS models - HCBBS Forum
83. For personal use only: a small Excel calculation tool, available for download in a packaged format - HCBBS Forum
84. Azeotropic distillation - HCBBS Forum
85. Reinforcement ring installation - HCBBS Forum
86. Interpretation of the Management Measures for General Contracting of Projects and Practical Aspects of Whole-Process Control in EPC Projects - HCBBS Forum
87. Separation of dimethyl sulfide from water - HCBBS Forum
88. Calculation of water quality - HCBBS Forum
89. Can 8-character blind plates and quick shut-off valves be used on one side of the storage tank? - HCBBS Forum
90. Are there any standard requirements regarding the capacity of the low-level tanks used in chemical plants for recovering solutions? - HCBBS Forum
91. Knowing the pressure difference and pipe diameter, how to calculate flow velocity and flow rate - HCBBS Forum
92. Should a single call valve be added to the exhaust outlet of the vacuum pump? - HCBBS Forum
93. Do the fire water pipes in the ethylene oxide tank area require static bonding? - HCBBS Forum
94. Seeking help regarding common errors in HTRI - HCBBS Forum
95. Sinochem Southwest Institute successfully secured the first turnkey project for producing green methanol using green hydrogen generated by Goldwind Green Energy in the chemical industry - HCBBS Forum
96. Seek help: differences between L245R and Q345 straight-welded pipes - HCBBS Forum
97. How should the range and setpoint of the NH3 hazardous gas detector be determined appropriately? - HCBBS Forum
98. Advantages of SPDA pipeline engineering software - HCBBS Forum
99. Pipeline stress calculation boundary - HCBBS Forum
100. 【HaiChuan Chemical Project Updates】Shandong invests 2.66 billion yuan in new nylon 66 materials and high-end downstream projects for propylene oxide - HCBBS Forum