English — Forum #723 (Page 630/642)

1. Design issues of natural circulation reboilers - HCBBS Forum
2. Replace the flow meter with a pressure transmitter - HCBBS Forum
3. Should I buy some training materials? - HCBBS Forum
4. Weak demand drives the PVC market lower continuously - HCBBS Forum
5. Flocs present in the diesel - HCBBS Forum
6. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 65 - HCBBS Forum
7. UPS power supply issues - HCBBS Forum
8. Regarding the issue of multiple blind flanges on one device - HCBBS Forum
9. I would appreciate some guidance from those with more experience regarding the PCW system in polyolefin extrusion granulation systems! - HCBBS Forum
10. 【Daily Question】Principles of Chemical Engineering 075: Heat Conduction (June 9) - HCBBS Forum
11. The site selection for the Huocheng coal-to-natural gas project has been approved; the construction capacity is 6 billion cubic meters per year - HCBBS Forum
12. The water pump does not deliver water - HCBBS Forum
13. Handover of cathode liquid phase pipeline for maintenance - HCBBS Forum
14. What are the design requirements for the floating disk of internal floating roof tanks, and what is the situation regarding nitrogen sealing? - HCBBS Forum
15. The electric heater in the lubricating oil station tank lacks insulation - HCBBS Forum
16. Oil pour point issue - HCBBS Forum
17. Junior Chemical Instrument Repair Technician - HCBBS Forum
18. How to increase the number of posts in the tourism section - HCBBS Forum
19. Approval granted for water resource assessment for coal-to-gas project in Xinjiang by China Power Investment Corporation - HCBBS Forum
20. Tour Group Overprint Work Guidelines - HCBBS Forum
21. What are everyone doing on Saturday? - HCBBS Forum
22. How to determine the instrument connection flange - HCBBS Forum
23. Issues with the shutdown of natural gas-based hydrogen production facilities - HCBBS Forum
24. Emergency response plan - HCBBS Forum
25. Mechanical seal cooling water - HCBBS Forum
26. Relationship between chemical process DCS and safety interlock SIS systems - HCBBS Forum
27. What version of FRNC-5PC is everyone using? - HCBBS Forum
28. The feedback current from the inverter on the DCS does not match the value at the field - HCBBS Forum
29. Are there any requirements for the metering tank? - HCBBS Forum
30. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for those who participate； Question 58 - HCBBS Forum
31. The Gulf’s fire protection system - HCBBS Forum
32. What negative effects do shift work in factories have on a child’s development? - HCBBS Forum
33. Synthetic leather slurry – Types of polyurethanes - HCBBS Forum
34. Level gauge selection - HCBBS Forum
35. Why is the axial vibration displacement of the compressor high, with large values at both the drive end and the non-drive end? - HCBBS Forum
36. Are DDO and DBDO available for sale there? - HCBBS Forum
37. Treatment of sulfuric acid wastewater - HCBBS Forum
38. The presence state of ammonia in the high-pressure condenser for urea synthesis - HCBBS Forum
39. PLC power supply - HCBBS Forum
40. Yokogawa CS3000 help - HCBBS Forum
41. Shandong Huachao Chemical Isobutane Dehydrogenation - HCBBS Forum
42. How to calculate the weight of a conical container? Please help, experts - HCBBS Forum
43. Pressure control of the deaeration tank - HCBBS Forum
44. Centrifugal compressor - HCBBS Forum
45. Maoming Petrochemical’s 2.4 million tons per year catalytic cracking unit and 400,000 tons per year isomerization dewaxing unit - HCBBS Forum
46. I’m finally leaving the state-owned enterprise…… - HCBBS Forum
47. Joints with multi-layer multi-pass welding - HCBBS Forum
48. What are the factors contributing to excessive calcium levels in the brine after salting? - HCBBS Forum
49. 【Daily Question】-001 (June 10) (Answer +5, Correct Answer +7) - HCBBS Forum
50. Production assessment plan for petrochemical workshops or companies - HCBBS Forum
51. Regarding the treatment of sodium chloride - HCBBS Forum
52. How to determine the boiling point of mixtures at different concentrations - HCBBS Forum
53. What PPM concentration of zinc ions should be maintained in the water during circulating water pre-coating? - HCBBS Forum
54. What does it mean that the sample report is limited to the first 50 lines of output? - HCBBS Forum
55. What is the difference in stress at the junction between a conical shell with folds and a cylinder, compared to the junction between a conical shell without folds and a cylinder? - HCBBS Forum
56. Red date honey tea - HCBBS Forum
57. On subcritical and supercritical units in thermal power plants - HCBBS Forum
58. The issue of tank volume - HCBBS Forum
59. Treatment of heavy metals in catalysts of catalytic devices? - HCBBS Forum
60. European Directive on Ambient Air Quality and Clean Air - HCBBS Forum
61. Selection of dust removal fans - HCBBS Forum
62. Regarding CAESAR ii interface issues - HCBBS Forum
63. Coking coal blending - HCBBS Forum
64. How many work permits are required for general operations at heights? - HCBBS Forum
65. Five things by the bed in the bedroom can be deadly - HCBBS Forum
66. Turbine rotor positioning issue - HCBBS Forum
67. Why cannot the longitudinal seams of the insulation layer in horizontal pipes be placed within 45 degrees of the pipe’s vertical centerline? - HCBBS Forum
68. How is catalytic slurry purified? - HCBBS Forum
69. “One Question per Day” June 4: Composition of petroleum coke in coking units - HCBBS Forum
70. Help me explain, I can’t turn around - HCBBS Forum
71. Buy PROII - HCBBS Forum
72. Environmental temperature of the inverter - HCBBS Forum
73. Job search for instrument repair - HCBBS Forum
74. Power station boilers, water wall tubes, information - HCBBS Forum
75. 【Daily Question】Fundamentals of Chemical Engineering 070: Differences between Pumps (June 4) - HCBBS Forum
76. Oil and gas recovery - HCBBS Forum
77. Welding method for liquid ammonia pipelines, wire material - HCBBS Forum
78. Problems with the remote control signal valve - HCBBS Forum
79. Game 3 of the finals - HCBBS Forum
80. The effect of influent suspended solids on sludge concentration - HCBBS Forum
81. How to solve problems such as sanding and dusting on the surface and insufficient hardness - HCBBS Forum
82. What software is used to select wet riser bundles? - HCBBS Forum
83. Bidding for oil depot construction - HCBBS Forum
84. Reflection time – am I really that annoying? - HCBBS Forum
85. Do you write a diary in English? - HCBBS Forum
86. Methanol Weekly Topic: What is the relationship between methanol synthesis output and temperature? 2015.06.07--06.15 - HCBBS Forum
87. Looking for Chinese materials on Kangjisen SIS - HCBBS Forum
88. With the enlargement of the device and the increase in the diameter of the heat exchanger, what are the risks involved in manufacturing by the manufacturer? - HCBBS Forum
89. Determination of the heat exchange area of the heat exchanger - HCBBS Forum
90. Seeking cases and precautions related to the replacement of ion membrane and tank frame large gaskets - HCBBS Forum
91. Simulation calculations for the hydrolysis to formic acid - HCBBS Forum
92. Contact capacity - HCBBS Forum
93. Various pressures related to heat exchangers - HCBBS Forum
94. Safety issues of intermediate products - HCBBS Forum
95. How is the liquid level height calculated for vertical and horizontal containers? - HCBBS Forum
96. Corrosion condition of the heat exchanger tube bundle - HCBBS Forum
97. Calculation of the heat exchanger outlet temperature - HCBBS Forum
98. Can one PID be used to control two control valves? - HCBBS Forum
99. Regarding the issue of the location of on-site solder joints - HCBBS Forum
100. Does a large temperature change affect the accuracy of a mass flow meter when it is in use? - HCBBS Forum