English — Forum #337 (Page 102/163)

1. Regarding the design pressure of the equipment and the setting pressure of the safety valve - HCBBS Forum
2. Design of the perfume factory building - HCBBS Forum
3. What are the common measures taken by hydrogenation units/other units to address excessive temperature rise? - HCBBS Forum
4. Pipeline Design Software V2.0 Official Version - HCBBS Forum
5. Fundamentals of Processing Technology (Multiple Choice) 20180907 - HCBBS Forum
6. What specific equipment documentation does the Process and Piping department need to receive? - HCBBS Forum
7. Various slopes for pipeline installation - HCBBS Forum
8. Table of pipe nominal size and wall thickness correspondence - HCBBS Forum
9. 【Mechanical Equipment Technology Edition】Daily Question 201807024: Refrigeration Systems—Case Analysis (1.2 - HCBBS Forum
10. How large should the heat exchanger area be? ? Help needed - HCBBS Forum
11. May the fire-fighting water, as well as the water for production and daily use, share the same pipeline in a Class V warehouse of level 2? - HCBBS Forum
12. The issue with oxygen venting - HCBBS Forum
13. How is methane separated from ethylene in industry? - HCBBS Forum
14. Can Class A substances be stored in a Class C warehouse? - HCBBS Forum
15. Distillation separation process - HCBBS Forum
16. Regarding the rationality of steam pipeline drainage? - HCBBS Forum
17. What criteria are used to fill in the material classification in the pipeline characteristics table? How to fill it out? - HCBBS Forum
18. acid water stripping - HCBBS Forum
19. Questions regarding the adjustment of the 8-2-3PSA system and relevant precautions - HCBBS Forum
20. Management Standards - HCBBS Forum
21. Is it more reasonable to feed at that line when there is a high amount of recombined components? - HCBBS Forum
22. Steam - HCBBS Forum
23. Need help with a job position report? - HCBBS Forum
24. The steam contains organic components and a small amount of hydrochloric acid; how is then the flow rate of the non-condensable gases during the condensation process calculated? - HCBBS Forum
25. What is the difference between a debugging plan and operating procedures? What is included in each section - HCBBS Forum
26. How to draw a ceiling crane or electric hoist in PID - HCBBS Forum
27. Fundamentals of Manufacturing Processes (Multiple Choice) 20180624 - HCBBS Forum
28. Can the scale of supporting environmental protection projects be reserved? - HCBBS Forum
29. For diethyl ether vapor at around 140 degrees Celsius, after being condensed using a secondary condenser, where is the gas phase located? - HCBBS Forum
30. A minor issue with the operation of the mixing tank - HCBBS Forum
31. May I ask whether the pipeline pressure testing and purging plan is prepared by the construction contractor or the design firm? - HCBBS Forum
32. Regarding core journals - HCBBS Forum
33. Looking for the \"Design Regulations for Oil and Gas Storage and Transportation Projects in China\" - HCBBS Forum
34. How should I specify a pipe with threads? PE for flat ends, BE for beveled ends - HCBBS Forum
35. If the great deity Da Hai Chuan happens to be passing by, please take a look at this post - HCBBS Forum
36. Can natural circulation be used for water flowing through the tube side of a shell and tube heat exchanger? - HCBBS Forum
37. Advantages and disadvantages of various evaporation crystallizers - HCBBS Forum
38. Separation of toluene and dibromoethane - HCBBS Forum
39. bottleneck - HCBBS Forum
40. Question regarding the formula for calculating the constant-pressure specific heat capacity of inorganic gases - HCBBS Forum
41. Basic Process Knowledge (Multiple Choice) 20180919 - HCBBS Forum
42. What are the side reactions when the temperature of the alkylation cycle base is too high? - HCBBS Forum
43. Basic Process Knowledge (Multiple Choice) 20181018 - HCBBS Forum
44. Hydrochloric acid storage tank design - HCBBS Forum
45. MTBE cracking catalyst - HCBBS Forum
46. Is the lower explosion limit a volume ratio, and is it a volume ratio under wet air or dry air conditions? - HCBBS Forum
47. Compressor surge tank - HCBBS Forum
48. Ethylene oxide sphere tank vent volume - HCBBS Forum
49. AlCl3 + 3H2O = Al(OH)3 + 3HCl; hydrolysis is an endothermic reaction - HCBBS Forum
50. What is used for pre-wetting the catalyst? Water? Why does the top of the heating furnace heat up quickly? - HCBBS Forum
51. Does low-temperature Fischer-Tropsch reaction occur in transformation reactions? - HCBBS Forum
52. Basic Process Knowledge (Multiple Choice) 20180629 - HCBBS Forum
53. A pressure gauge reading worksheet. - HCBBS Forum
54. Function of PSA water ring vacuum pump - HCBBS Forum
55. I have a question: why does the steam control valve on the steam heating pipeline keep adjusting either resulting in over-temperature or insufficient adjustment? - HCBBS Forum
56. I’m asking experts to help answer some questions regarding opening holes under pressure - HCBBS Forum
57. Unsaturated hydrocarbons - HCBBS Forum
58. Are there any requirements regarding the type of flange and the sealing surface for pipelines carrying highly hazardous media? - HCBBS Forum
59. What do GOA and GOS mean in the PID process flow diagram? - HCBBS Forum
60. Setting of the emergency stop button for the safety instrument system in high-risk processes? - HCBBS Forum
61. Pilot-scale scaling and production process specifications - HCBBS Forum
62. How are the outdoor components of northern installations, such as pumps, storage tanks, and pipelines, insulated to prevent freezing? What about the South? - HCBBS Forum
63. Fundamentals of Processing Technology (Multiple Choice) 20180804 - HCBBS Forum
64. How difficult is it to produce qualified AR-grade potassium hydroxide? - HCBBS Forum
65. Must the equipment layout diagram show the equipment foundations and indicate their elevation levels? ? - HCBBS Forum
66. How to write a equipment quotation request? - HCBBS Forum
67. Design options for enclosed loading and unloading vehicles - HCBBS Forum
68. Can pumping transfer the material from Reactor A to Reactor B completely? - HCBBS Forum
69. 【HVAC Version】Daily Question 20180612 - HCBBS Forum
70. Fundamentals of Manufacturing Processes (Multiple Choice) 20181028 - HCBBS Forum
71. What is the difference between a turbine flow meter and an electromagnetic flow meter? - HCBBS Forum
72. Basic Process Knowledge (Multiple Choice) 20180707 - HCBBS Forum
73. What are the design grades for foundations and pile foundations? - HCBBS Forum
74. In the magnetic flap level gauge, it is indicated as \"normally open\" and \"self-locking\" – what does this mean? - HCBBS Forum
75. CS3000 report issues - HCBBS Forum
76. I would like to ask how a warehouse for storing resin waste should be set up? - HCBBS Forum
77. Welcome to discuss the paradox of low-nitrogen retrofitting for furnaces - HCBBS Forum
78. Installation issues with high-pressure airless nozzles - HCBBS Forum
79. The production process for cooling masterbatches used in fat dissolution, with a cost of around 20,000 – can increasing the amount of DTBP help achieve fat dissolution? - HCBBS Forum
80. Location of steam pipe vent point - HCBBS Forum
81. Coal tar hydrogenation project - HCBBS Forum
82. Requirements for pipe welding grooves - HCBBS Forum
83. What is the purpose of the line between the two main flow lines of the raw gas receiving unit? Newbie question - HCBBS Forum
84. Issues with safety valves on the top of reaction vessels or separation tanks - HCBBS Forum
85. For trenches, should sump pits be installed, and should they be filled with fine sand? - HCBBS Forum
86. UOP low-nitrogen burner - HCBBS Forum
87. 【HVAC Version】Daily Question 20180611 - HCBBS Forum
88. Are there any professional titles or recognized ratings for HAZOP analysis in China at present? - HCBBS Forum
89. Separation of mixed hydrocarbons and mixed alcohols - HCBBS Forum
90. Passivation process for hydrogen peroxide storage tanks made of SS304 - HCBBS Forum
91. Oil and gas recovery issues in the oil unloading equipment - HCBBS Forum
92. Interlock issues in hydrogenation units - HCBBS Forum
93. 【HVAC Version】Daily Question 20180620 - HCBBS Forum
94. Basic Process Knowledge (Multiple Choice) 20180724 - HCBBS Forum
95. Design pressure and nominal pressure of oil and gas recovery pipelines - HCBBS Forum
96. What software do people use for production scheduling and management? - HCBBS Forum
97. Recovering morpholine from xylene - HCBBS Forum
98. Request a legend for the three-legged automatic scraper discharge centrifuge - HCBBS Forum
99. What is the production category for torches used to burn Class A gases? - HCBBS Forum
100. Is it okay to install a breather valve on a diesel storage tank to allow air to be drawn in? - HCBBS Forum