English — Forum #723 (Page 8/642)

1. Weekly Topic 10.11.15, Episode 3: What are the advantages of shielded pumps and conventional centrifugal pumps? - HCBBS Forum
2. Why is it strictly prohibited to tie the rope loops around the valve’s handwheel and handwheel holder when lifting the valve? - HCBBS Forum
3. In what situations is it necessary to wear a seat belt at work? 【Video】 - HCBBS Forum
4. Questions about the material grade table? - HCBBS Forum
5. How to call the fire department? 【Video】 - HCBBS Forum
6. Can devices use plastic enclosures in intrinsically safe explosion-proof certification? - HCBBS Forum
7. Where are the devices going? Contents of Factory Site Planning [Video] – Chemical Industry Weekly, Issue 91 - HCBBS Forum
8. What is plant power? 【Video】Chemical Engineering Knowledge E053 - HCBBS Forum
9. A Brief Introduction to the Development of Chemical Storage Tanks – Chemical Weekly [Video] Episode 89 Gg01 - HCBBS Forum
10. Depth of process drawings for coking - HCBBS Forum
11. 55.4 List of Documents for Elevator Safety Management - HCBBS Forum
12. Those \"weird\" designs inside the device [Video] - HCBBS Forum
13. What are the main components of a steam turbine? What are the features? 【Video】048 - HCBBS Forum
14. Storage and Transportation Technology: [Weekly Topic] 10-11-23～28 – Inspection of storage tanks operating at atmospheric pressure - HCBBS Forum
15. One question per week: Basics of polymers – What are the factors that affect the glass transition temperature? - HCBBS Forum
16. The Honor Roll of Those Who Excel in Securing the Bookboy Database is updated daily - HCBBS Forum
17. What are the measures to reduce evaporation losses【Video】 - HCBBS Forum
18. Newly arrived [Hazardous Chemical Information Package] If you want to package it in your bag, please contact us - HCBBS Forum
19. What is the purpose of watching the fire door? 【Video】 - HCBBS Forum
20. Commissioning of the dry gas seal system and precautions【Video】 - HCBBS Forum
21. For hot work operations, which dates are considered holidays or days off? Is there a specified time period for night work? What other special circumstances might exist? - HCBBS Forum
22. Is it necessary to install a low-point drain at the end of the air preheater? ? ? - HCBBS Forum
23. Production Technology [Weekly Topic]: Q&A on Production Practices (10-12-13~12-19) - HCBBS Forum
24. Production Technology [Weekly Topic]: Accident Analysis (10-11-08~15) - HCBBS Forum
25. Bookboy Paradox 1: Shops and markets prohibit performing fire-related work during business hours; a reward of 10 wealth is given for successfully refuting this rule - HCBBS Forum
26. Discussion on the underground pipeline network in chemical plants [Video] - HCBBS Forum
27. 21.3 Rubber information list - HCBBS Forum
28. 63 Child safety information list - HCBBS Forum
29. [Design Management: Meeting Management] - [Video] Chemical Industry Weekly Talk, Issue 11 - HCBBS Forum
30. Lifting operations 1: What are the potential risks during lifting operations? - HCBBS Forum
31. Phase 3: Installation of blind plates and pipe filters, special fittings d03【Video】 - HCBBS Forum
32. 1.27 Material information list - HCBBS Forum
33. Hot work 23: Hot work carried out under pressure without gas displacement. How can combustible gases be detected inside the equipment? - HCBBS Forum
34. What are the characteristics of petrochemical production? 【Video】 - HCBBS Forum
35. Why is approval required before selecting the location for a fixed hot work area? - HCBBS Forum
36. Air separation oxygen production area: [Weekly Topic] Week 10 of 2011 – Discussion on accelerating startup by adding liquid? - HCBBS Forum
37. What are the advantages and disadvantages of floating valve trays? [Video] - HCBBS Forum
38. Storage and Transportation Technology: [Weekly Topic] Problems or accidents that often occur during the construction of new tank areas, from 11-3-12 to 20 - HCBBS Forum
39. 【Selection Principles for Industrial Pumps】-【Video】Chemical Industry Weekly, Issue 52: Pu01 - HCBBS Forum
40. 【Weekly Question 20090825】Project startup and commissioning - HCBBS Forum
41. Can a fixed hot work area be established within the production facility area? - HCBBS Forum
42. Have you set the valve correctly? 【Video】 Phase 2: Root Valve, Dual Valve C02 - HCBBS Forum
43. Talk about common energy-inefficient designs in production – is your company faced with such issues? 【Video】- Chemical Industry Weekly, Issue 16 - HCBBS Forum
44. 1.12 Hardware – Operating Parts Bill of Materials - HCBBS Forum
45. What are the measures for protecting against falls from heights? - HCBBS Forum
46. Reasons for centrifugal pump failure to discharge fluid (inability to pump liquid) [Video] Chemical Engineering Knowledge 035 - HCBBS Forum
47. What are some common flammable alkane gases? 【Video】@ChemicalTalkEveryDay AT03 - HCBBS Forum
48. Piping and instrumentation diagram design for distillation towers [Video] PID Phase 3 - HCBBS Forum
49. 20 Dismantling safety information list - HCBBS Forum
50. It’s not that easy to draw pictures. [Video] Episode 4: Rules for drawing the homepage image - HCBBS Forum
51. Weekly Topic: Has the «Regulation on Pressure Vessels» been replaced by the «Safety Technical Inspection Regulations for Fixed Pressure Vessels» following its issuance? - HCBBS Forum
52. 2.2 Sheet metal data list - HCBBS Forum
53. What is cavitation in centrifugal pumps? 【Video】Chemical Engineering Knowledge E036 - HCBBS Forum
54. 【Weekly Question】What are the factors that affect the viscosity of coal tar? - HCBBS Forum
55. Is it necessary to follow the procedures for hot work when using a weed cutter in an area where fires are prohibited in a company? - HCBBS Forum
56. GB15603-2022 General Rules for the Storage of Hazardous Chemicals in Warehouses - HCBBS Forum
57. You’ve traveled through time! Can you make soap? 【Video】 - HCBBS Forum
58. 22.3 Fan information list - HCBBS Forum
59. Urgent notice--all Daily Question and Weekly Question items have been changed to discussion topic format - HCBBS Forum
60. 【Video】What is distillation? 100 Chemical Engineering Knowledge - HCBBS Forum
61. Why shouldn’t the speed at which steam is supplied through medium and high-pressure steam pipes for pipe warming be too fast? - HCBBS Forum
62. Why is it necessary to emphasize that acetylene cylinders must be equipped with flashback arrestors? - HCBBS Forum
63. What are the eight basic raw materials in the petrochemical industry? [Video] - HCBBS Forum
64. Weekly Topic-20090302-Can LPG tanks and oil tanks be placed together? Why? - HCBBS Forum
65. Weekly Topic (Week 3): GBT17395-2008 recommends the use of Series I, but why is Series B used for flanges? - HCBBS Forum
66. 00:21 What factors should be considered when choosing a pressure gauge? 【Video】@ChemicalKnowledgeE009 - HCBBS Forum
67. System Startup (VI) Instrument Inspection and Calibration [Video] - HCBBS Forum
68. Piping and Valves Knowledge: [Weekly Topic] (Week 3) The benefits of pipeline pickling - HCBBS Forum
69. GB/T19001-2008 - HCBBS Forum
70. Thank you for sharing - HCBBS Forum
71. What are the main corrosion-prone areas of a heat exchanger? 【Video】 - HCBBS Forum
72. What are the advantages and disadvantages of ultrasonic level gauges? 【Video】 - HCBBS Forum
73. What is the bubble point? Distillation Special Topic [Video] - HCBBS Forum
74. Ethylene and Polyethylene – [Video] Chemical Industry Weekly, Issue 56 – s02 - HCBBS Forum
75. Why is it necessary to take sample analyses in segments of a long material pipeline before performing hot work, after thoroughly isolating the area? - HCBBS Forum
76. What factors should be considered when selecting the location for a fixed hot work area? - HCBBS Forum
77. Why is it necessary to install a ground wire on motors? 【Video】 - HCBBS Forum
78. One question per week: Basics of polymers – why is PE classified as a plastic? - HCBBS Forum
79. Lifting operations 3: Which lifting operations require the preparation of a lifting plan? - HCBBS Forum
80. Pipe repair information list (the only complete set of Haichuan) - HCBBS Forum
81. What are phase and phase equilibrium? Distillation topics [Video] - HCBBS Forum
82. Seek NB/T 11270-2023 for titanium pressure vessels - HCBBS Forum
83. What is Dalton’s law of partial pressures? 【Video】 - HCBBS Forum
84. What impact does the negative pressure in the heating furnace have on operation? 【Video】 - HCBBS Forum
85. Weekly Question: What are the methods to determine a decline in catalyst activity? - HCBBS Forum
86. How should the classification of hot work be determined when performing hot work on different sections of the same pipeline across various areas? - HCBBS Forum
87. Why cannot acetylene cylinders be placed horizontally during hot work? - HCBBS Forum
88. What is mist entrainment? 【Video】 - HCBBS Forum
89. HG-T20570.12-95 Torch System Settings - HCBBS Forum
90. 【Video】Beginner: Is the chemical industry still a viable choice? - HCBBS Forum
91. What level of hot work regulation should be applied for grinding on the outer walls of storage tanks and pipelines containing flammable materials? - HCBBS Forum
92. 【Weekly Question】2010-11-22 On the practical simulation-based selection of pumps (III) - HCBBS Forum
93. Why must the pump be filled with liquid before starting a centrifugal pump? 【Video】 - HCBBS Forum
94. 15.2 Methanol List of information - HCBBS Forum
95. 70 List of security and access control materials - HCBBS Forum
96. Air separation oxygen production area: [Weekly Topic] Week 2 of 2011 – When is the best time to start the expander during air separation unit commissioning? - HCBBS Forum
97. Weekly Topic-20090301-How to Participate in “Three Checks and Four Determinations”? - HCBBS Forum
98. 【Weekly Question】What are the common faults encountered in the roof reversal of coke oven gas collection tanks, and what are the key operating points? (December 6th---December 12th) - HCBBS Forum
99. Lectures on Fluid Mechanics Design of Towers [Video] Episode 6 - Fc06 - HCBBS Forum
100. How does a steam ejector work? [Video] - HCBBS Forum