English — Forum #337 (Page 57/163)

1. Experts, does an acetylene room need an anti-static floor? - HCBBS Forum
2. PTA production process flow - HCBBS Forum
3. Questions about blind plates - HCBBS Forum
4. Polyether polyols - HCBBS Forum
5. Automation transformation and upgrading - HCBBS Forum
6. Does a PSA oxygen generation machine come with an oxygen storage tank? Should the oxygen generation room be classified as a Category B facility? - HCBBS Forum
7. What causes blue smoke to appear when pushing coke out of a 4.3-meter coke oven? - HCBBS Forum
8. Solvent regeneration column bottom kettle-type reboiler - HCBBS Forum
9. What does anti-freezing and sun protection prevent? - HCBBS Forum
10. POSM production process - HCBBS Forum
11. Extraction problem - HCBBS Forum
12. Vibration in the feed line of the distillation tower - HCBBS Forum
13. China Petrochemical/Coal Chemical Project Engineering Information in 2021 (Part 1)|Engineering help - HCBBS Forum
14. Old K says every week – Talking about things in the petrochemical engineering design industry. Post 31: Outline for preparing a start-up report for basic engineering design - HCBBS Forum
15. Questions regarding the definition of semi-open workshops in the fire protection standards for fine chemicals? - HCBBS Forum
16. What is the best cooling method for cooling solid raw materials or products? - HCBBS Forum
17. Overview of the selection calculation method for Yi Qing filters - HCBBS Forum
18. What is the maximum temperature of the medium that can be handled by a small-flow centrifugal pump without mechanical seal cooling water (3 liters/h)? - HCBBS Forum
19. Are there any distance requirements between Class A liquid or gas pipelines and ordinary factories or roads? - HCBBS Forum
20. I wonder what this thing is? - HCBBS Forum
21. What filtration precision is sufficient for the inlet of the combustion air? - HCBBS Forum
22. Design qualifications required to design a ready-mixed concrete plant - HCBBS Forum
23. Which chemical raw material factories have a high demand for lime? - HCBBS Forum
24. Chemical Process Design Manual, 4th Edition (Volume 1 and 2).pdf - HCBBS Forum
25. How to introduce nitrogen into the pipe gallery - HCBBS Forum
26. Discuss the differences between the high-chemistry process and the Shanghai Pujing process in ethylene glycol production - HCBBS Forum
27. Old K says every week – talking about things in the petrochemical design industry. Post 37: Looking back on the past – large state-owned enterprises used to be like small societies - HCBBS Forum
28. Questions about transmitters - HCBBS Forum
29. Content update - HCBBS Forum
30. Process design for annual production of 100,000 tons of fuel ethanol (molecular sieve adsorption method) - HCBBS Forum
31. DC gasoline discoloration - HCBBS Forum
32. Formulation composition and development challenges of aerosol formulations for inhalation delivery - HCBBS Forum
33. Process for producing food-grade baking soda from sodium metabisulfite exhaust gas - HCBBS Forum
34. How to calculate the water addition amount for steam temperature and pressure reduction control - HCBBS Forum
35. Problems with nitrogen breaking the vacuum - HCBBS Forum
36. I was told that water is not allowed in the storage tank. What measures and facilities should be put in place for such a tank? - HCBBS Forum
37. Is the dual-valve setup one in use and one as a backup, or are both valves closed? - HCBBS Forum
38. The valves reserved for utility services are too small; how to solve this? - HCBBS Forum
39. Plantation greening and maintenance - HCBBS Forum
40. What is the difference between top feeding and bottom feeding for liquefied hydrocarbon spheres? - HCBBS Forum
41. Reboiler and heat exchanger - HCBBS Forum
42. Build a new heating furnace - HCBBS Forum
43. Three-stage injection: The connection between power steam pumps and liquid ring pumps - HCBBS Forum
44. The surface of the electrowon copper is uneven with grooves along its edges - HCBBS Forum
45. Which facilities require static grounding - HCBBS Forum
46. Old K’s Weekly Talks – Stories from the petrochemical design industry. Post No. 41: Why haven’t private-sector petrochemical design firms grown or… - HCBBS Forum
47. Old K says every week – Talking about things in the petrochemical design industry. Post 8: Design Management – Design Quality Management - HCBBS Forum
48. In a kettle-type reactor with an internal coil, why is the temperature at the outlet of the coil lower than the temperature in the kettle? - HCBBS Forum
49. Why, when the wind pressure increases, cannot the fluid overflow from the lower side, but instead overflows from the higher side? For details, see below (attached figure). - HCBBS Forum
50. Anti-corrosion of buried heat-traced storage tanks - HCBBS Forum
51. Main fan rotor - HCBBS Forum
52. Classification of pipeline cleanliness levels - HCBBS Forum
53. Chengda Company - HCBBS Forum
54. Guidelines for Environmental Management of Waste Salt in the Chemical Industry (Draft for Comments) - HCBBS Forum
55. Craft Region August 2020 Wealth Reward Distribution Poster - HCBBS Forum
56. Backflow prevention device on the pump - HCBBS Forum
57. Would you like to add a jacketed cooler to the exhaust pipe? Are such coolers available for sale? - HCBBS Forum
58. Salted water - HCBBS Forum
59. Why does the pressure rating of the level gauge in an atmospheric pressure tank need to be 300 pounds? - HCBBS Forum
60. Nitrogen sealing system - HCBBS Forum
61. The endpoint for the absorption of chlorine by liquid caustic has been determined. - HCBBS Forum
62. Production technology of alumina additives - HCBBS Forum
63. After the steel lined pipe is delivered to the site, how can we identify the appropriate materials for each section of the pipeline? - HCBBS Forum
64. May I ask which standard specifies the regulations for the release of the following flammable gases? - HCBBS Forum
65. Sinopec Shanghai: The company currently has no partnerships with Iranian petrochemical enterprises - HCBBS Forum
66. [Help] What is the sequence for connecting the gas-liquid phase transfer pipes when loading liquefied gas? - HCBBS Forum
67. Nitrogen sealing for hydrochloric acid tank - HCBBS Forum
68. Dear sea friends, is it necessary to turn off the space heater and the excitation heater before starting the new hydrogen compressor? What are the consequences if it doesn’t stop? - HCBBS Forum
69. Steam temperature and pressure regulation - HCBBS Forum
70. Installation cannot be carried out due to processing and installation errors in petrochemical equipment - HCBBS Forum
71. The lithium bromide chiller does not provide good cooling performance; seeking help - HCBBS Forum
72. Horizontal container drain outlet - HCBBS Forum
73. One lesson per day: Understanding PID diagrams – Lesson 1 - HCBBS Forum
74. Biocatalytic technology: a technique for improving atom economy - HCBBS Forum
75. Storage tank topcoat color - HCBBS Forum
76. Experts, I have a question: can several Class A pilot-scale units be placed in the same factory building? - HCBBS Forum
77. In 2021, 29 polyolefin plants are planned to come online in China! Dongming Petrochemical and others have already achieved an output of 1.4 million tons - HCBBS Forum
78. Slight leakage at the flange seal surface of the oil tank drain tray - HCBBS Forum
79. The child’s graduation project! ! - HCBBS Forum
80. Is a fuel gas pipeline a pressure pipeline? Is a design qualification required? - HCBBS Forum
81. There is a fault with the input signal in the Yokogawa CS3000; how can it be made to display the value it had before the fault occurred? - HCBBS Forum
82. Online pH meter - HCBBS Forum
83. Regarding the liquid nitrogen outlet pipeline - HCBBS Forum
84. Epichlorohydrin - HCBBS Forum
85. Turning chemical industry solid waste sulfur paste into a valuable resource - HCBBS Forum
86. Seeking help with pressure testing of fixed ball valves - HCBBS Forum
87. I have a question regarding the drawings - HCBBS Forum
88. Research and Industrial Application of Energy-Saving Technologies for 95+ High-Efficiency Ultra-Pure Industrial Furnaces - HCBBS Forum
89. Carbon dioxide content at the outlet of the air purification unit for air separation, as well as the acetylene and hydrocarbon contents in the main condensation evaporator. - HCBBS Forum
90. catalyst - HCBBS Forum
91. Chemical Pipeline Design Manual by Xu Dongbao, 2011 edition - HCBBS Forum
92. Calculation problems in chemical engineering principles - HCBBS Forum
93. What does this in the picture represent? - HCBBS Forum
94. Safety valve issues - HCBBS Forum
95. Guess the equipment from Lao Yu – what amazing tool is this, everyone? - HCBBS Forum
96. MVR steam compressor power calculation - HCBBS Forum
97. Can the filter in the photo be rotated? - HCBBS Forum
98. How to choose a pressure relief valve for storage tanks and a vacuum pressure relief valve? - HCBBS Forum
99. How to operate the 1% liquid oxygen discharge from the air separation cryogenic tank? - HCBBS Forum
100. Distillation tower - HCBBS Forum