English — Forum #723 (Page 590/642)

1. Is the bubble point the flash point? - HCBBS Forum
2. What is the main purpose of installing a high-high drum pressure interlock in a boiler? To protect which equipment? - HCBBS Forum
3. 【Daily Question】2015.07.18 Types of stainless steel (2 wealth points for a reply; +3–8 wealth points if the answer is correct) - HCBBS Forum
4. Where is the sweet and sour pork dish from? - HCBBS Forum
5. Problem with catalyst supported by springs at the bottom of the methanol-to-hydrogen reactor! - HCBBS Forum
6. Where can I find manufacturers of temperature meters? Temperature range from 200 degrees to 2000 degrees - HCBBS Forum
7. Issues related to the preparation of special reports - HCBBS Forum
8. Is it still necessary to add a surge protector to circuits that use safety barriers? - HCBBS Forum
9. A few suggestions for the promotion section - HCBBS Forum
10. Setting of the pressure swing adsorption program-controlled valve - HCBBS Forum
11. The issue of stainless steel being contaminated by carbon steel - HCBBS Forum
12. Urgently need HAZOP analysis records for the methanol tank area - HCBBS Forum
13. Xiaobai, I have a few questions about compressors - HCBBS Forum
14. Evaluation for intermediate professional titles - HCBBS Forum
15. What kind of insulating paint is used for electrical cabinet busbars? - HCBBS Forum
16. Discuss the alarm system of FOXBORO IA - HCBBS Forum
17. Many steel pipe standards are applicable to low-pressure fluids; it is not specified whether they can be used for low-pressure superheated steam - HCBBS Forum
18. Does a zirconia analyzer need to be explosion-proof? - HCBBS Forum
19. 【Daily Question】 July 29 What is the impact of a high reflux ratio on the operation of a distillation column? - HCBBS Forum
20. Why is the temperature transmitter reading different from that shown on the main control unit? - HCBBS Forum
21. Regarding surface inspection of chemical processing equipment - HCBBS Forum
22. How to debug DLC3010 using 475 - HCBBS Forum
23. What criteria do you use to carry out maintenance after the boilers in your plant are shut down? Which maintenance method to use? - HCBBS Forum
24. The motor is replaced with a back-pressure steam turbine for drive - HCBBS Forum
25. Does anyone have data on the water vapor content in the air under different seasons and weather conditions? - HCBBS Forum
26. Why are there no tools for manually operating valves, especially gate valves? An F wrench is clearly not sufficient. - HCBBS Forum
27. What are the methods your factory uses for the maintenance of centrifugal pumps? - HCBBS Forum
28. Question 6 in the afternoon session, 2014 case - HCBBS Forum
29. Questions regarding chemical registration - HCBBS Forum
30. What to do - HCBBS Forum
31. Workplace Debate Episode 5: What to do when the client who assigned the work doesn’t get promoted? - HCBBS Forum
32. A few poems about rain - HCBBS Forum
33. Sign-in record post from July 23, 2015 - HCBBS Forum
34. Which method can prevent sulfuric acid an from corroding the exterior of equipment? - HCBBS Forum
35. How to calculate the power of an axial flow fan - HCBBS Forum
36. It is recommended to retain the “plain text” feature of the original version - HCBBS Forum
37. 【Daily Question】Chemical Engineering Principles 119: Continuous Distillation of Binary Solutions (July 24) - HCBBS Forum
38. Explosion protection issues with stainless steel manual chains - HCBBS Forum
39. Volume design standards for liquid ammonia spheres - HCBBS Forum
40. 【Daily Question】Question from Issue 150721 - HCBBS Forum
41. The issue of conductivity in purified water - HCBBS Forum
42. Heat exchanger calculation issues - HCBBS Forum
43. Reason for introducing nitrogen while raising the steam temperature in the conversion system - HCBBS Forum
44. What is the difference between a blower and a ventilator? - HCBBS Forum
45. The function and principle of shield grounding - HCBBS Forum
46. What are the disadvantages of using Stelloy cladding technology for the internal components of control valves? - HCBBS Forum
47. There are 4 exams for environmental assessment specialists, and I only passed the case study exam – it’s really strange, isn’t it? - HCBBS Forum
48. Increasing production capacity of sulfuric acid plant - HCBBS Forum
49. Seeking help regarding interference between bearing housing and bearing shell in English - HCBBS Forum
50. Pipeline drainage - HCBBS Forum
51. Aspen Installation - HCBBS Forum
52. 【Daily Question】Question from Issue 20150728 - HCBBS Forum
53. 【Daily Question】July 20: What is the correct way to use metal passivators in catalytic cracking? - HCBBS Forum
54. How does your factory carry out hyper-pressure testing? What parameters should be paid attention to in general? - HCBBS Forum
55. Alkyl aluminum valves - HCBBS Forum
56. For supercritical CO2 transport, what type of flow meter should be used? - HCBBS Forum
57. Discussion on issues in trench design - HCBBS Forum
58. What is the difference between system isolation and deconnection? - HCBBS Forum
59. Let’s discuss the reasons for the downturn in the chemical industry - HCBBS Forum
60. Yi【Electric temperature and pressure reducer & integrated dosing unit】 - HCBBS Forum
61. How to learn about accident cases*? Does anyone have materials on the key points related to accident cases? - HCBBS Forum
62. Did the Rockets really get Lawson? - HCBBS Forum
63. Regarding difficulties in starting the electrolyzer - HCBBS Forum
64. Looking for a template for sharing valve processing drawings - HCBBS Forum
65. Pressure transmitter installation on vibrating pipelines - HCBBS Forum
66. The vacuum side-stream oil contains impurities - HCBBS Forum
67. Chemical production - HCBBS Forum
68. What type of tower is generally used when handling corrosive materials? - HCBBS Forum
69. Cost of illegal waste discharge = 8 months in prison + 100,000 in fines - HCBBS Forum
70. Inlet and outlet direction of the stop valve - HCBBS Forum
71. Are there any coal chemical projects under construction in Shanxi recently? - HCBBS Forum
72. Where is the dish Guobaorou from? - HCBBS Forum
73. The font colors on the forum have changed again - HCBBS Forum
74. Help from a novice project manager - HCBBS Forum
75. Regarding the issue of the centrifugal pump shaft being exposed to light - HCBBS Forum
76. A single-flange transmitter is used to measure water level; what value will the transmitter display once the water freezes? - HCBBS Forum
77. Two tickets and three systems for electrical work - HCBBS Forum
78. Are there many designs in the site that are required by regulations but are actually unnecessary? - HCBBS Forum
79. RTO-related - HCBBS Forum
80. Abnormal noise in water ring vacuum pump - HCBBS Forum
81. What are the consequences of too low a temperature of the desulfurization fluid in the wet desulfurization method? - HCBBS Forum
82. What is the significance of the melting length of plastic in an extruder? - HCBBS Forum
83. Step-by-step guide---Video on operating gear pumps for high-viscosity media - HCBBS Forum
84. Selection of safety colors - HCBBS Forum
85. Precautions for installing lined pipes. - HCBBS Forum
86. “For the \"Electric two-way flow hard-seal rotary ball valve\", what do each letter in the model name represent? - HCBBS Forum
87. Questions regarding the applicability of HG 20640? - HCBBS Forum
88. Bimetallic thermometer calibration - HCBBS Forum
89. Corrosion protection of buried water tanks - HCBBS Forum
90. Downstream products of chlor-alkali industry - HCBBS Forum
91. How to make donkey meat dumplings - HCBBS Forum
92. 8 years of experience in pipeline design at a large design institute; seeking a job - HCBBS Forum
93. Seeking advice on the performance of air preheaters - HCBBS Forum
94. AB PLC communication issue - HCBBS Forum
95. What are the specific regulations for repairing the rubber lining layer? - HCBBS Forum
96. Is it necessary to install a filter before the bimetallic strip steam trap? - HCBBS Forum
97. Find the reasons for the difference in high scores for the hydrogenation process and reactor pressure - HCBBS Forum
98. How to measure the axial displacement of a canned motor pump - HCBBS Forum
99. 4,6-Di-tert-butyl-m-cresol - HCBBS Forum
100. Design of shell and tube heat exchangers - HCBBS Forum