English — Forum #723 (Page 377/642)

1. Catalytic reaction temperature control? - HCBBS Forum
2. Problem of pump reversal in the oil pump of the screw compressor oil station - HCBBS Forum
3. Regarding the issues with the temperature of natural gas burners and nitrogen oxides, I hope fellow sailors will come and help me figure this out~ - HCBBS Forum
4. 【Picture of the Day】February 4, 2016: Something simpler. What is the device shown in this picture? Those who answer correctly will receive a reward in wealth! - HCBBS Forum
5. Ask for the price of a micro-vibration feeder (or a small phosphorus slurry transfer pump) - HCBBS Forum
6. What is the LNG pump pool used for? - HCBBS Forum
7. 【Picture of the Day】2016 1.26 What is the capacity of the tank in this image? There are rewards for those who answer correctly! - HCBBS Forum
8. Over time, knowledge is constantly being updated - HCBBS Forum
9. refractory bricks - HCBBS Forum
10. Downstream utilization of atmospheric-pressure diesel - HCBBS Forum
11. Please take me away; I’m a junior moderator in the craftsmanship section 【with resume】 - HCBBS Forum
12. I have a question regarding electromagnetic pneumatic valves. - HCBBS Forum
13. Can polyoxysulfuric acid cause intergranular corrosion in stainless steel? - HCBBS Forum
14. How much water is needed to produce one ton of steam? - HCBBS Forum
15. Haichuan Gratitude Season — Remembering My First-Grade Homeroom Teacher 【Shihua 020】 - HCBBS Forum
16. The closed contacts of the circuit breakers in the lighting emergency panel are connected in series and then linked to a normal alarm point, from where the signal is sent to the DCS - HCBBS Forum
17. Welding, water wall tubes - HCBBS Forum
18. Use of plate and frame filters in the coal chemical industry - HCBBS Forum
19. The difference between Newtonian fluids and non-Newtonian fluids - HCBBS Forum
20. As proof, as long as I’m still working in the instrumentation field in this life, I definitely won’t use anything from K-TEK. - HCBBS Forum
21. Haichuan Gratitude Season – A Tribute to Two Veteran Teachers【Production Area 008】 - HCBBS Forum
22. Design issues for sulfur dioxide plants - HCBBS Forum
23. Selection of the placement location for the exhaust vent tank - HCBBS Forum
24. The nameplate of the safety valve has the abbreviation SAGCV; does anyone know which manufacturer produced it? - HCBBS Forum
25. What to do with the mixer during the hydrostatic test? - HCBBS Forum
26. Job search in chemical process design - HCBBS Forum
27. 【Daily Question No. 106】January 27, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
28. The vacuum level for vacuum distillation is not sufficient - HCBBS Forum
29. Technical Agreement for Instrument Procurement - HCBBS Forum
30. Methanol Weekly Topic How to determine false liquid level in methanol drum tanks and how to deal with it? 2016.01.25---01.31 - HCBBS Forum
31. Cleaning of the filter elements in an automatic back-blow coal tar filter? - HCBBS Forum
32. Can two pumps with different head values be used in parallel? - HCBBS Forum
33. The reflux pump at the top of the solvent regeneration tower often fails to deliver sufficient flow - HCBBS Forum
34. 【Daily Topic】【Live Version 20160128】 - HCBBS Forum
35. Coal chemical industry: Should these unfinished projects be halted or not? It seems that foreign companies are more calm about this. - HCBBS Forum
36. Composition issues of the overhead gas from the vacuum tower in the atmospheric and vacuum distillation units of refineries - HCBBS Forum
37. 【Daily Topic】【Civil Engineering Version 20160126】 - HCBBS Forum
38. 【Daily Question】2016.01.29 Material Properties (2 Wealth points for replying, +3–8 additional Wealth points for a correct answer) - HCBBS Forum
39. Is it okay to use a counter-circulation shielded pump to pump liquid from a tank under vacuum? - HCBBS Forum
40. Hiring gas production experts with high salaries - HCBBS Forum
41. What is the appropriate amount of catalyst cracking pre-raise medium to use? How to tell? - HCBBS Forum
42. What kind of transformer is a double-tie? - HCBBS Forum
43. Why is nitrogen added to the pressure transmitter placed at the bottom of the tank? - HCBBS Forum
44. ITCC Compressor Applications - HCBBS Forum
45. Can HTRI calculate block-and-hole graphite heat exchangers? - HCBBS Forum
46. Start working - HCBBS Forum
47. Solve a problem related to a differential pressure transmitter! - HCBBS Forum
48. Request for external audit documents for the quality system of the power and energy department in steel enterprises - HCBBS Forum
49. 【Daily Question】Chemical Engineering Principles 305: Ion Exchanger Sequence (January 25) - HCBBS Forum
50. Is the NORSOK M501 coating system suitable for cast iron parts? - HCBBS Forum
51. Seek a slurry metering pump with a flow rate of 100 ml to 2000 ml - HCBBS Forum
52. Tangshan Zhongrong Technology - HCBBS Forum
53. Is it unrelated to professional titles after passing the safety engineer exam? - HCBBS Forum
54. 【New Energy Applications】How to Better Integrate Distributed Solar Energy with Energy Storage Technologies - HCBBS Forum
55. Changes in gas volume - HCBBS Forum
56. Seeking guidance on heat exchanger material selection issues - HCBBS Forum
57. Adjusting the mechanical zero point of the EJA transmitter shouldn’t affect the migration amount, right? - HCBBS Forum
58. The vertical stuffing box-type pressure vessel failed the horizontal pressure testing - HCBBS Forum
59. Environmental Protection Daily Question 1.31: Participate for prizes; 3 correct answers earn an additional 5 prizes - HCBBS Forum
60. 【Daily Question No. 79】February 2, 2016: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
61. Hello everyone! ! ! ! ! ! ! - HCBBS Forum
62. 【Weekly Topic】【Storage & Transportation Edition 20160201】 - HCBBS Forum
63. 【Weekly Topic】2.8~2.14 Powder Electrostatic Spraying (Automatic +5 points for replies; +3-10 points for financial analysis) - HCBBS Forum
64. Regulating valve diameter specifications - HCBBS Forum
65. HeTu Project is recruiting factory engineers - HCBBS Forum
66. i am happy - HCBBS Forum
67. 20160202 One question per day - HCBBS Forum
68. 【Daily Question】2016 2.6 Multiple-choice question: The function of hydrogenation catalyst additives is ( ) [ - HCBBS Forum
69. 【Daily Question】February 4, 2016: In the external pressure calculation chart, coefficient A (first 50 replies + 2 wealth points; additional 3–8 wealth points for correct answers) - HCBBS Forum
70. What to do if NaCl crystals clog the pipes during a saline water overhaul? ? ? - HCBBS Forum
71. How to perform boiler priming for solid waste incinerators - HCBBS Forum
72. The textbook \"Registered Power (3rd Edition)\\" is really terrible - HCBBS Forum
73. 【Weekly Topic】【Production Version 20160205】 - HCBBS Forum
74. Call for Petrochemical Couplets (Reply +2 Wealth) - HCBBS Forum
75. Liquid oxygen valve - HCBBS Forum
76. New Year’s wishes! - HCBBS Forum
77. Are there any brands of infrared analyzers that meet IEC61508 SIL2 certification? - HCBBS Forum
78. Urgent! What do WCB/STL mean in terms of valve material? Where can I find this standard - HCBBS Forum
79. Domestic control systems indeed need more practical experience to compete on the international stage - HCBBS Forum
80. Technology for extracting copper from waste etching solutions - HCBBS Forum
81. It is recommended that the Safety and Environment region establish a fire protection section - HCBBS Forum
82. Are alloy tubes used in heat exchangers? What specifications are they used in? - HCBBS Forum
83. 【Daily Question】Jan 17, 2016: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
84. Sign-in record post from January 18, 2016 - HCBBS Forum
85. Issues regarding the data collection plan - HCBBS Forum
86. The million-ton-scale ethylene and downstream processing facilities of the Gulei integrated refining and chemical project in Zhangzhou, Fujian, have been approved - HCBBS Forum
87. 20160119 Electrical Question of the Day - HCBBS Forum
88. Calling for slogans for promoting torch-based emission reduction - HCBBS Forum
89. Seek a differential pressure transmitter with corrosion resistance - HCBBS Forum
90. I would like to ask where fault safety and fault locking are set for ABB positioners? - HCBBS Forum
91. What material is used for the urine spray gun in melamine reactors? - HCBBS Forum
92. Who has the installation manuals for PLC or DCS cabinets? - HCBBS Forum
93. Acceptance criteria for storage tanks - HCBBS Forum
94. 【Daily Topic】【Quality Version 20160118】 - HCBBS Forum
95. There is a lot of flocculent matter in the effluent from the inclined plate sedimentation tank - HCBBS Forum
96. The Mitsubishi inverter FR-F740 can only move backward, not forward – could someone with expertise help analyze this? - HCBBS Forum
97. Help: Flue gas components - HCBBS Forum
98. Herringbone gear pump - HCBBS Forum
99. 【Daily Question】1/18/2016: Selection of auxiliary structures for packed towers (first 50 replies + 2 points; +3 more points for correct answer)... - HCBBS Forum
100. Switching of the filter in low-temperature methanol washing causes a deviation in the heat exchange load of the system’s heat exchangers - HCBBS Forum