English — Forum #723 (Page 501/642)

1. What is the function of a chlorine drying bubble column? Does it only serve to dry? - HCBBS Forum
2. Problems with nitrogen generators - HCBBS Forum
3. I’m a newcomer who just started working at a chemical plant; please give me some advice, folks - HCBBS Forum
4. A detailed explanation of the differences between 20G and 20g - HCBBS Forum
5. Are pipe butt joints with a nominal diameter of 70 mm or less difficult to inspect using magnetic particle testing? - HCBBS Forum
6. The effect of back pressure on the opening of safety valves - HCBBS Forum
7. Calculation of dosage for rotary spray semi-dry desulfurization - HCBBS Forum
8. The path is winding, but the future is bright—-----To the alkylation oil workers who are striving hard - HCBBS Forum
9. Enthusiastic marine enthusiasts, great discounts available~~Home, Life, Life~~Call for topics related to the core sections - HCBBS Forum
10. Method for installing CAD2007 on a 32-bit Windows 7 laptop - HCBBS Forum
11. It seems that Adé is not quite adapted to the Spurs’ tactical system; I hope this deal for Adé turns out to be a good one! - HCBBS Forum
12. Doubts about the efficiency of gasoline loading pumps - HCBBS Forum
13. Why doesn’t my browser often show the online status? - HCBBS Forum
14. Can a check valve be installed on the air pipe? Urgent! Urgent! Urgent! Urgent! ! ! ! - HCBBS Forum
15. Is it feasible to produce gasoline from methanol now? I wonder what the cost is? - HCBBS Forum
16. Does any fellow sea traveler know Hebei and Shandong? - HCBBS Forum
17. Causes of AUMA electric actuator failures and troubleshooting methods - HCBBS Forum
18. What is the reason why equipment such as tower condensers can be arranged in the tube bank between towers in the plant layout? - HCBBS Forum
19. Study* Plan - HCBBS Forum
20. 55555… I hit someone’s car on my way home at 10.1; please comfort me! - HCBBS Forum
21. Issues related to the design of hydrogen peroxide (hydrogen peroxide solution) storage tanks - HCBBS Forum
22. 【Daily Question】10.16 A low characteristic factor K value indicates that there is more of （） - HCBBS Forum
23. 【Daily Question】10.12 Fill-in-the-blank (10 points for a correct answer) - HCBBS Forum
24. Tar residue separation - HCBBS Forum
25. On scarring at the lower feed port of the front chamber and treatment suggestions - HCBBS Forum
26. 【Daily Question】Question from Issue 20151010 - HCBBS Forum
27. When the liquid phase changes to a gas phase, how is the heat exchange area calculated when the temperature remains constant? - HCBBS Forum
28. I need 3D drawings of an oxygen-enriched continuous gasifier; intermittent gasifiers will also do. - HCBBS Forum
29. Reasons for overcurrent tripping of the pump at the compressor water station - HCBBS Forum
30. Requirements for occupational health and environmental protection in chemical enterprises - HCBBS Forum
31. Basic knowledge of gantry cranes that must be mastered - HCBBS Forum
32. Sign-in record post from October 13, 2015 - HCBBS Forum
33. Briefly explain the principle of using flotation to remove pollutants from wastewater. - HCBBS Forum
34. The orbital ball valve is difficult to operate; a simple and easy-to-use device is needed - HCBBS Forum
35. 【Daily Question No. 29】October 10, 2015: +2 wealth for participation, +3 additional wealth for correct answers - HCBBS Forum
36. From what aspects and how can it be determined that the efficiency of the ion exchange membrane has declined to the point where replacement is necessary? - HCBBS Forum
37. Differences between HDPE double-wall corrugated pipes and PVC double-wall corrugated pipes - HCBBS Forum
38. What material should be chosen for valves used in lime milk media? - HCBBS Forum
39. Is it feasible to drain rainwater and sewage from the fire dike into the oil containment tank? - HCBBS Forum
40. Is the wall thickness the same under the same diameter and the same pipe wall thickness grade? - HCBBS Forum
41. Regarding float level gauges - HCBBS Forum
42. 【Daily Question】Question from Issue 20151013 - HCBBS Forum
43. The patent for the water-cooled wall of coal-water slurry boilers in Tsinghua-style furnaces has been granted abroad - HCBBS Forum
44. 【Daily Question】Question from Issue 20151014 - HCBBS Forum
45. Briefly describe the methods for checking the straightness of towers and tower sections - HCBBS Forum
46. The dosage of fluoride toothpaste for children should be reduced as appropriate - HCBBS Forum
47. Spending money recklessly – the final push for “Xiu Fang Songti”! - HCBBS Forum
48. Which fluorine chemical products yield the best cost-performance when produced using a 2% fluosilicic acid solution? - HCBBS Forum
49. Multi-story open-plan factory building - HCBBS Forum
50. ASPEN butyl acetate-butanol-water azeotropy problem - HCBBS Forum
51. Displacement disk for centrifugal compressors - HCBBS Forum
52. 【Daily Question】Question 17: Test question from issue 20151012 (Reply +2)； For the other +3) - HCBBS Forum
53. What are the specifications for hydrocracking tail oil? - HCBBS Forum
54. Phosphoric acid, perchloric acid* – What is the role of phosphoric acid during smoking sample preparation? - HCBBS Forum
55. Soccer - HCBBS Forum
56. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 332 - HCBBS Forum
57. Reflux temperature issue - HCBBS Forum
58. Newbie here for help: how is the secondary stress in C2 checked? - HCBBS Forum
59. Oil Price Morning Report: European and American crude oil futures continue to fall - HCBBS Forum
60. After complaining, just delete it and call it a day. - HCBBS Forum
61. Sunday post - HCBBS Forum
62. Screw air compressor - HCBBS Forum
63. How to calculate shaft-type lugs in PVelite - HCBBS Forum
64. What are extractive distillation and azeotropic distillation? - HCBBS Forum
65. How to achieve the recovery of high-temperature furnace gas at 550°C - HCBBS Forum
66. Skills that a production team leader should possess - HCBBS Forum
67. Anti-surge of centrifugal compressors - HCBBS Forum
68. Briefly describe what are the installation requirements for the support rings of tower internals? - HCBBS Forum
69. 【Daily Question】10·8 True or False: Cooling water supply to the unit is interrupted (+8 wealth) - HCBBS Forum
70. 【Daily Question】Question 18: Test question from issue 20151013 (Repeat +2)； For the other +3) - HCBBS Forum
71. How to dispose of waste chlorine tanks? - HCBBS Forum
72. Is anyone working on a \"Application Report for a Model Smart Workshop\"? I’m looking for a template to learn from! ! ! - HCBBS Forum
73. Effect of mixed steam in the pulverized coal gasification oxygen pipeline on the composition of the product gas - HCBBS Forum
74. Process for increasing solid content in styrene-butadiene latex - HCBBS Forum
75. Design of heat exchangers - HCBBS Forum
76. Where can I find the MSDS data for methyl dichlorophosphonate? Paid sources are also acceptable - HCBBS Forum
77. Examples of plate heat exchanger leaks - HCBBS Forum
78. Liquor in large-particle fluidized bed chimneys - HCBBS Forum
79. The moisture content at the outlet of the SO2 fan is above 0.3 and this condition persists for an extended period of time - HCBBS Forum
80. The water pump is having problems; I’m not happy! ~ - HCBBS Forum
81. Laboratory gas densitometer - HCBBS Forum
82. Content of C4 alkanes in gasoline - HCBBS Forum
83. What is the most basic measure to prevent static electricity fires when transporting flammable liquids through pipelines? - HCBBS Forum
84. 【Daily Question】Question for Issue 20151016 - HCBBS Forum
85. Maximum pressure for spray-coated PTFE pressure vessels - HCBBS Forum
86. 【Weekly Topic】The issue of methane in the crude ammonia gas produced by Ruchi reactors - HCBBS Forum
87. Glass-lined tubular heat exchanger - HCBBS Forum
88. Simulation calculation of wet scrubber towers in flue gas desulfurization - HCBBS Forum
89. Specifications for allowable vibration levels of reciprocating compressor motors~ - HCBBS Forum
90. 【Daily Question No. 1】October 12, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
91. Operation of catalytic absorption towers - HCBBS Forum
92. Where is the magnet installed in the fuel tank? - HCBBS Forum
93. Treatment of wastewater from metal surface pretreatment - HCBBS Forum
94. How to analyze the separation efficiency of a methanol separator? - HCBBS Forum
95. How to adjust the hysteresis of a temperature controller - HCBBS Forum
96. Black water flocculant forms foamy floating substances after dissolution - HCBBS Forum
97. Issues regarding the inlet piping of magnetic drive pumps - HCBBS Forum
98. Can ordinary gate valves be used for fire foam lines? - HCBBS Forum
99. What should be done if the high-pressure and low-pressure pipes are connected reversely by mistake when installing an FC differential pressure transmitter? - HCBBS Forum
100. How many interlocks does the mixer have? - HCBBS Forum