English — Forum #723 (Page 5/642)

1. Weekly Topic: How to ensure inspection quality when there are few inspectors? - HCBBS Forum
2. [Weekly Topic] How to Balance Equipment Repair and Production (Examples Show Greater Incentives) (2011.05.16-22) - HCBBS Forum
3. Instrumentation: [Question of the Week] Week 24, 2011: The temperature instrument gives inaccurate readings – how to determine the issue? - HCBBS Forum
4. 【Weekly Topic】Production Technology: On-site safety management during holidays? - HCBBS Forum
5. Process Design: [Weekly Topic] April 18–24, 2011 - HCBBS Forum
6. Weekly Topic: Renovation of the delayed coking heater? Issue 17, June 5–11, 2011 - HCBBS Forum
7. Membrane PSA: [Weekly Topic] {June 27, 2011} Let’s discuss issues related to adsorbents - HCBBS Forum
8. 【Weekly Topic】Production Technology: Key points and challenges in equipment management? 2011.12.18~12.25 - HCBBS Forum
9. Weekly topic on refining knowledge (technology): How to resolve blockages in the water drainage line of the coker tower? Issue 16, May 29–June 4, 2011 - HCBBS Forum
10. Instrumentation: [Question of the Week] Week 46, 2011: How are the forward and reverse actions of actuators and regulators defined? - HCBBS Forum
11. Notice on the Weekly Question Activity in the Analysis Section - HCBBS Forum
12. Case Discussion, Weekly Topic for Quality Section (11.14–11.21, 2011) - HCBBS Forum
13. 【Weekly Topic for the Container Area】The new year is coming to an end – share your achievements this year (December 19–25) - HCBBS Forum
14. Weekly Topic 4.10, Issue 22: Distribution of Demineralized Water in Methanol Distillation - HCBBS Forum
15. Weekly Topic 4.26, Issue 24: Methanol-related control systems - HCBBS Forum
16. Membrane PSA: [Weekly Topic] {May 2, 2011} What are the reasons for the decrease in nitrogen adsorption capacity of PSA pressure swing adsorption towers? - HCBBS Forum
17. [Weekly Topic] June 20-27, 2011 - HCBBS Forum
18. Piping and valve technology: [Weekly topic] From 11-4-1 to 4-10 – What pressure difference before and after the valve requires the installation of a pressure equalization line? - HCBBS Forum
19. Chemical Process Equipment Area: [Weekly Topic] Vacuum issues with the turbine reheat Apparatus? (2011.6.20~6.26) - HCBBS Forum
20. Air separation oxygen production area: [Weekly Topic] Week 11 of 2011——Emergency shutdown, what if the instrument air supply is not available? - HCBBS Forum
21. Weekly Topic 11: Favorite Food (5.9~5.15) - HCBBS Forum
22. Equipment Selection: [Weekly Topic] Design Considerations for Cyclone Separators Integrated into Fluidized Beds, Nov 4-1 to 4-10 - HCBBS Forum
23. Process Design: 【One Question per Week】Week 42, 2011: Design of the density meter skid for the tank farm, and its working principle. - HCBBS Forum
24. Weekly topic for the Quality Area. 【2011.9.5--9.10】 - HCBBS Forum
25. 【Weekly Topic】March 14, 2011 – Week 12 of Project Management (Discussion Question) - HCBBS Forum
26. Weekly Topic 18: Living with Parents (6.27~7.3) - HCBBS Forum
27. 【Weekly Topic】Production Technology: Safety precautions on site? 2011.12.04~12.11 - HCBBS Forum
28. Weekly Topic: Leakage Issues in Hydrogenation High-Pressure Heat Exchangers – Issue 18, June 12–18, 2011 - HCBBS Forum
29. Membrane PSA: [Weekly Topic] {May 30, 2011} Which is more cost-effective: pressure swing adsorption or membrane-based hydrogen recovery? - HCBBS Forum
30. Weekly Topic on Ammonia Synthesis: Protection of Ammonia Synthesis Catalysts During Overhaul 29/10/2011 - HCBBS Forum
31. Weekly Topic in Ammonia Synthesis Production: Why is the two-high-one-low operation method used for the temperature increase and reduction of ammonia synthesis catalysts? - HCBBS Forum
32. Storage and Transportation Technology: [Weekly Topic] November 3–27, 2021 – How to Address Liquid Carryover in the Gas Phase of Unloading Compressors - HCBBS Forum
33. What are the principles for dealing with voltage fluctuations in the device? 【Video】 - HCBBS Forum
34. What are the hydrocarbon feedstocks suitable for steam reforming to produce hydrogen? 【Video】 - HCBBS Forum
35. Typical accident cases of high-risk sub-projects - HCBBS Forum
36. One question per week; answers win prizes. Question 8 from Chlor-alkali Chemistry (Basic Chemical Engineering Knowledge) - HCBBS Forum
37. Does the wiring steel pipe of a radar level gauge need to be electrically connected to the tank? [Video] @ChemicalTalkEveryDay AT21 - HCBBS Forum
38. Part 1: The flow-limiting orifice plates for pipelines – those special pipe fittings we followed back in the day, D01【Video】 - HCBBS Forum
39. What determines the flow path for the fluid in a tubular heat exchanger, namely the tube side or the shell side? 【Video】 - HCBBS Forum
40. 【Weekly Topic】10-11-15 Project Management: What types of projects should be subject to public bidding - HCBBS Forum
41. What are the basic requirements for the daily operation of a pressure gauge? 【Video】 - HCBBS Forum
42. Voting score! Vote for book prizes! Select the technical material you want to share first! - HCBBS Forum
43. What is heat enthalpy? What factors related to oil are involved in it? 【Video】 - HCBBS Forum
44. Weekly problem collection for the Polymer and Materials section - HCBBS Forum
45. December 5th Weekly Topic on Ammonia Synthesis Knowledge - HCBBS Forum
46. 5.4 Switching power supply information list - HCBBS Forum
47. 3.0 Mechanical installation information list - HCBBS Forum
48. Overview of Shielded Pumps [Video] Chemical Industry Weekly, Issue 73, “Pumps” Series Pu05-1 - HCBBS Forum
49. Correction of concept for temporary power supply 002: The distribution box does not include the distribution cabinet! - HCBBS Forum
50. April 6, 2023 noon: A batch of new books recommended; reward for replies; first release on the forum - HCBBS Forum
51. 【Weekly Topic】Week 11 of 2011: What is the purpose of a transformer’s breather? - HCBBS Forum
52. What does safety work mean? 【Video】 - HCBBS Forum
53. 【Weekly Question】Topic post for collecting questions (2009) - HCBBS Forum
54. What is the working principle of a centrifugal pump? 【Video】@ChemicalKnowledgeE018 - HCBBS Forum
55. What is sodium benzoate? [Video] Chemical Industry Weekly Talks About H39 - HCBBS Forum
56. Special thread on online calibration of safety valves 5: What types of materials are generally used for the sealing surfaces of safety valves? - HCBBS Forum
57. Important indicators of lubricating oils [Video] Chemical Engineering Knowledge E046 - HCBBS Forum
58. What are the factors that cause changes in column pressure during distillation operations? 【Video】@ChemicalKnowledgeE007 - HCBBS Forum
59. Discuss the names and codes of the project design phase – [Video] Chemical Industry Weekly, Issue 22 - HCBBS Forum
60. Question of the week: Popularizing knowledge about polymers. What are the factors that affect the flexibility of polymer chains? - HCBBS Forum
61. Difficulties in implementing inspections at new chemical plants: \"Too busy\" if no fines are imposed? 【Video】 - HCBBS Forum
62. How to convert energy consumption? You’ll understand after watching this video 【Video】@ChemicalWeeklyEpisode94 - HCBBS Forum
63. How to conduct a leak test after a heat exchanger leaks? 【Video】 - HCBBS Forum
64. Weekly Topic 10.11.01, Issue 1: Please list the types, internal structures, as well as advantages and disadvantages of methanol synthesis towers. - HCBBS Forum
65. Reflections on the Path of the Chemical Industry 【Video】 #WorkReflections #xyzszsb188#ChemicalIndustryKnowledge E022 - HCBBS Forum
66. Why cannot the outlet valve be closed when a reciprocating pump is started? 【Video】@ChemicalKnowledgeE013 - HCBBS Forum
67. Why do heat exchanger tubes scale? 【Video】 - HCBBS Forum
68. Seeking assistance regarding enterprise standard Q/SH3510 106-2017 - HCBBS Forum
69. Under what circumstances is pipeline drying with nitrogen performed? - HCBBS Forum
70. Temporary Power Use 011: Restrictions on the Use of Isolating Switches in Switch Boxes - HCBBS Forum
71. What is the liquid holding capacity of a packing layer? [Video] - HCBBS Forum
72. Why is it required that workers working at heights of over 30 meters must be equipped with communication devices? - HCBBS Forum
73. 2.3 Casting and forging data list - HCBBS Forum
74. Can nickel alloy plates resist hydrofluoric acid corrosion? - HCBBS Forum
75. 【Weekly Topic】Everyone please discuss the existing problems and solutions in their own coke dry quenching operations (February 14 to February 20, 2011) - HCBBS Forum
76. 【Weekly Question 20090727】Problems in instrument installation - HCBBS Forum
77. What is the purpose of installing a flame arrester on a gas line? 【Video】 - HCBBS Forum
78. 【Weekly Topic】What are the differences between wax oil catalytic cracking and heavy oil catalytic cracking catalysts? - HCBBS Forum
79. What is a safety valve? 【Video】 - HCBBS Forum
80. Why must piling machine operators monitor from a distance of 5 meters away from the center of the pile hammer? - HCBBS Forum
81. What are the differences between vertical centrifugal pumps and horizontal centrifugal pumps? [Video] - HCBBS Forum
82. Please select the type of technical information on machinery installation and maintenance that you need to know about and obtain the most - HCBBS Forum
83. 【Weekly Topic 20101130】What is high-voltage electricity and what is low-voltage electricity? How to distinguish between them? - HCBBS Forum
84. Production Technology [Weekly Topic]: Production Q&A on flooding-related issues (2011-01-17~23) - HCBBS Forum
85. How to Choose Thermocouples and Thermal Resistors [Video] - HCBBS Forum
86. Explosion Protection [Video] – Part 6: Common Codes and Standards for Chemical Engineering Design - HCBBS Forum
87. What is the dissolution loss of hydrogen? 【Video】 - HCBBS Forum
88. 22.0 Design, Manufacturing, and Installation of Chemical Machinery and Equipment (including the manufacturing and installation of pressure vessels) – Bill of Materials - HCBBS Forum
89. Question of the Week: Prospects, Technologies, and Approaches for Plastic Recycling - HCBBS Forum
90. What is the purpose of a chimney? What conditions must be met for fuel combustion? 【Video】 - HCBBS Forum
91. [Weekly Topic] 10-11-22 Engineering Management: What are the main factors affecting project progress? - HCBBS Forum
92. Let’s talk about creating basic design documents – [Video] A series on how engineering drawings aren’t that easy to draw! Issue 2 - HCBBS Forum
93. 【Weekly Topic】How many types are there of corrosion in atmospheric and vacuum distillation unit equipment? - HCBBS Forum
94. March 9, 2023: A set of safety assessment standards is recommended; they have been uploaded to the forum – just search for them - HCBBS Forum
95. Is it better to have water in the LNG sump or not? 【Video】Chemical Industry Weekly Talk 098 - HCBBS Forum
96. Using U-tubes as an example: Measuring pipes 【Video】Chemical Industry Weekly, Issue 63 Ay07 - HCBBS Forum
97. Area and Distance [Video] Part 5: Common Specifications and Standards in Chemical Engineering Design - HCBBS Forum
98. Why can’t a compressor be rotated electrically for an extended period of time? [Video] - HCBBS Forum
99. What are the special types of workers in construction? - HCBBS Forum
100. Find problems on-site by looking at the pictures? [Video] - HCBBS Forum