English — Forum #723 (Page 399/642)

1. Problems with thermocouple installation - HCBBS Forum
2. Haichuan Gratitude Season——My Former Squad Leader [Petrochemical 012] - HCBBS Forum
3. 【Daily Question】Chemical Engineering Principles 290: Factors Affecting Coagulation Efficiency (January 10) - HCBBS Forum
4. For coal-to-natural gas production, which type of furnace is better? - HCBBS Forum
5. Liaoyang Petrochemical’s new delayed coking technology - HCBBS Forum
6. Petroleum engineering design, process piping, equipment - HCBBS Forum
7. 【Daily Question】Chemical Engineering Principles 288: Three-Phase Motors (January 8) - HCBBS Forum
8. 【Weekly Topic】Discussion on frequency conversion upgrades - HCBBS Forum
9. I am looking for books or materials that provide a detailed explanation of the initial process of driving a plant; for example, how is the initial liquid level in the tower established when starting operation? - HCBBS Forum
10. One-sided embedded glass performance water tank - HCBBS Forum
11. Haichuan Thanksgiving – To those who have influenced my life【Production Area 001】 - HCBBS Forum
12. When treating CD2 wastewater with Ca2+, what pH value must be maintained to reduce CD2 to 0.1 mg/L? - HCBBS Forum
13. 【Daily Question No. 93】January 8, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
14. May I ask the experts: are the catalysts used in both of our diesel hydrogenation reactors of the same main model? - HCBBS Forum
15. Regarding the material for ammonia refrigeration pipes: 20# steel or Q245R? - HCBBS Forum
16. If you don’t act according to the rules, you’ll have to pay for the accidents - HCBBS Forum
17. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 406 - HCBBS Forum
18. Energy-saving and consumption-reduction renovation - HCBBS Forum
19. Insulation testing of cable trays - HCBBS Forum
20. 【CAD Software Operation】One of the ways to develop good drawing **habits - HCBBS Forum
21. A - HCBBS Forum
22. Regarding the thermal bypass valve of centrifugal compressors - HCBBS Forum
23. Molecular sieve desulfurization of coking liquefied gas - HCBBS Forum
24. How far can desulfurization and denitration go without mastering the core technologies? - HCBBS Forum
25. How to monitor internal leakage in plate exchangers in real time? - HCBBS Forum
26. 【Daily Topic】【Engineering Version 20160105】 - HCBBS Forum
27. Resending 【One Question per Day】1.7 Brief answer question: What are the requirements for the installation quality of towers? - HCBBS Forum
28. Are there any recommendations for detecting the flue gas flow at 700℃? - HCBBS Forum
29. Tower equipment procurement time - HCBBS Forum
30. AB Dynamics DCS System KM Series Documentation - HCBBS Forum
31. Why is the size of the electrolyzer larger at the top than at the bottom? - HCBBS Forum
32. Anaerobic problems - HCBBS Forum
33. What should I do? Who is responsible? - HCBBS Forum
34. What are the advantages and disadvantages of backpressure turbines and condensing turbines? - HCBBS Forum
35. Modbus communication to DCS historical trends? - HCBBS Forum
36. 【CAD Software Operation】The Second Aspect of Developing Good Drawing **Habits - HCBBS Forum
37. Information on ultra-fine grinding mills for coal slurry preparation - HCBBS Forum
38. 【Joint Study*】【HVAC Version 20160107】 - HCBBS Forum
39. A large number of yellow objects on the oxygen pipeline wall - HCBBS Forum
40. [Forward] What is Industry 4.0? - HCBBS Forum
41. I would like to ask how to increase the secondary current of a sulfuric acid electrodesuperheater - HCBBS Forum
42. Control principles for oxygen flow rate in premixed burners and pre-film burners. - HCBBS Forum
43. Environmental Protection Daily Quiz: December 28 – Participate for prizes; 3 correct answers and you’ll get another 3 prizes - HCBBS Forum
44. Lubricating oil injection for startup of the continuous reforming depentanizer - HCBBS Forum
45. Issues with gas treatment from the water separation unit in the Luchi process - HCBBS Forum
46. Job application for production management in sulfur combined plants - HCBBS Forum
47. Some pumps have bearing housings with single-sided seals, while others have front and rear bearing housings along with seals – what is the difference? - HCBBS Forum
48. 【Daily Question】 January 7th: After the crude oil pump is shut down, what should be done to keep it in reserve? ? ? ? ? ? ? - HCBBS Forum
49. Do the nuts on the bolts embedded in the steel columns need to be spot-welded? - HCBBS Forum
50. The reason for the decrease in yield in hydrogen production is the use of a mixture of coker dry gas and natural gas as raw materials - HCBBS Forum
51. Comprehensive Catalog of Metallurgical Data Classification - HCBBS Forum
52. Is it necessary to have a separate pressure-taking pipeline for the lockbox design? - HCBBS Forum
53. 【Daily Question】 January 18th When there is a fault with the air valves of a reciprocating compressor, which of the following phenomena will not occur? ? ? - HCBBS Forum
54. What is the steam consumption in indirect liquefaction coal-to-oil processes? - HCBBS Forum
55. Process Engineer turned Purchasing Engineer - HCBBS Forum
56. Analysis of the reasons why there is little enthusiasm and intense discussion in the gasification sector - HCBBS Forum
57. Should the safety valves for LNG pipelines all be located in one place for venting? - HCBBS Forum
58. The project has entered the purging, airtightness testing, and commissioning phases – it’s very busy. I heard that there’s a lot to learn during this time - HCBBS Forum
59. 【Daily Question】December 31, 2015: Boiler Basics True/False Questions (Top 50 responders receive +3 Wealth points; those who get it right receive an additional +3 to +8 Wealth points) - HCBBS Forum
60. Helium leak testing for heat exchanger tube joints - HCBBS Forum
61. Process requirements for producing desalinated water from surface water - HCBBS Forum
62. Solve a few questions every day to spread knowledge on occupational health – all participants will receive a prize! - HCBBS Forum
63. Share my vacation schedule - HCBBS Forum
64. Answering questions and resolving doubts - HCBBS Forum
65. Calculate the enthalpy of steam based on the saturated steam temperature - HCBBS Forum
66. What abnormal symptoms will occur in the distillation column if the floating valve gets stuck on the opening of the tray and cannot move up or down? - HCBBS Forum
67. Relationship between activated sludge death and total phosphorus - HCBBS Forum
68. A fan-shaped electronic clock designed by IT experts – a combination of clock and fan - HCBBS Forum
69. 【Weekly Topic】Common faults and solutions for the ring feeder in coal preparation for pulverized coal pressurized gasification? - HCBBS Forum
70. Safety and Environmental Protection Section -- Wishing all marine friends a happy New Year’s Day - HCBBS Forum
71. Analytical Chemistry - HCBBS Forum
72. 【Picture of the Day】2016 1.5 What is the equipment being lifted in the air? - HCBBS Forum
73. Steam ejector evaporation and condensation temperatures - HCBBS Forum
74. Regarding the issue of how to recycle the liquid discharged by the vane pump - HCBBS Forum
75. What is the purpose of the flange plug at the pump outlet? - HCBBS Forum
76. Feeding of the tank - HCBBS Forum
77. Bayer MaterialScience (Qingdao) Co., Ltd - HCBBS Forum
78. 【Daily Question】January 3, 2016: Boiler Basics True/False Questions (Top 50 responders receive +3 wealth points; those who get it right earn an additional +3 to +8 wealth points) - HCBBS Forum
79. Saturator mother liquor temperature control! - HCBBS Forum
80. The concentration of hydrogen gas in the hydrocracking reaction - HCBBS Forum
81. Carbon fiber in the adsorption box caught fire - HCBBS Forum
82. Coking, product yield - HCBBS Forum
83. Daily Question】2016 1.11 Multiple-choice question Before ensuring airtightness of the device, it is necessary to properly prepare the reaction system and the low-pressure system ( ). - HCBBS Forum
84. 1 2 3 Instructions for starting and stopping the compressors - HCBBS Forum
85. Which manufacturers are used for actuator positioners of domestic control valves? - HCBBS Forum
86. Looking for the electronic version of the manual for catalytic reforming unit operators, compiled by the Vocational Skills Assessment Center - HCBBS Forum
87. How to converge. How to converge. How to converge~ A bit annoying thing, said three times - HCBBS Forum
88. Xiaobai, get ready to learn about the design of the main combustion furnace for sulfur recovery - HCBBS Forum
89. Use a dummy to trick sparrows and protect the grain - HCBBS Forum
90. Removal of unpleasant odors from tank trucks - HCBBS Forum
91. What do these pumps mean? - HCBBS Forum
92. “\"Haichuan Thanksgiving Season\" – My Guide at Haichuan [Shihua 006] - HCBBS Forum
93. Do your positive displacement pumps and fans have outlet valves to control flow rate? - HCBBS Forum
94. What does instrument design work involve? and its general process - HCBBS Forum
95. Principles for replacing the lining of coal slurry electromagnetic flowmeters - HCBBS Forum
96. sodium methoxide - HCBBS Forum
97. Sign-in record post dated December 29, 2015 - HCBBS Forum
98. Duncan and Garnett - HCBBS Forum
99. How many accidents are needed to make those who keep their heads down look up? - HCBBS Forum
100. Regarding the threaded connections of instruments and electrical interfaces for commonly used armored cables, what are the common interface types? Common standards include.... - HCBBS Forum