English — Forum #337 (Page 11/163)

1. Propylene liquid pipeline safety valve - HCBBS Forum
2. Does biological fermentation fall under the scope of chemical engineering? - HCBBS Forum
3. What kind of pump is a fluidized bed hydrogenation circulation pump? - HCBBS Forum
4. Basic Process Knowledge (Multiple Choice) 20171214 - HCBBS Forum
5. 【Daily Topic】【HVAC Version 20170413】 - HCBBS Forum
6. 7.30–Daily Quiz (Pharmaceutical Engineering Edition): Prize-winning competition - HCBBS Forum
7. Could you recommend any manufacturers that are specialized in fiberglass-reinforced plastic anti-corrosion solutions? - HCBBS Forum
8. Thermal pyrolysis and thermal desorption processes for sludge - HCBBS Forum
9. What kind of situation could cause a 24-ton heat exchanger core to fly more than 20 meters in the air? - HCBBS Forum
10. Can calcium chloride waste be used in cement production? - HCBBS Forum
11. Steam pipes are inserted directly into the storage tank for heating; is it acceptable to use rubber-lined material for the tank? - HCBBS Forum
12. Hubei Ruineng Huahui Energy Management Co., Ltd. and Xi’an Jiaotong University’s patent on “A substitute refrigerant for R134a, its preparation method, and applications” was published - HCBBS Forum
13. Calculation of comprehensive energy consumption for circulating water - HCBBS Forum
14. 【Daily Topic】【HVAC Version 20170419】 - HCBBS Forum
15. 【Daily Topic】【Engineering Version 20170110】 - HCBBS Forum
16. What software is used for drawing single-line diagrams? - HCBBS Forum
17. What is the working principle and effect of a transient voltage suppression diode? - HCBBS Forum
18. How much is 1 ton of low-pressure steam? - HCBBS Forum
19. Do the instruments need to be removed during the pressure testing of chemical process pipeline systems? - HCBBS Forum
20. Regarding steam turbine compressors - HCBBS Forum
21. Divide into control consultation - HCBBS Forum
22. Distribution of Haichuan Coins as rewards in Process Area in October - HCBBS Forum
23. Solutions for the removal of resorcinol tar - HCBBS Forum
24. Common problems and solutions for downflow external heat exchangers - HCBBS Forum
25. How to draw clamps in a single-line diagram - HCBBS Forum
26. Calculation of fuel gas consumption for furnace heating in incinerators - HCBBS Forum
27. Precautions for registering for the exam - HCBBS Forum
28. Are there standard atlas available for the fixing brackets and guide frames of UPVC pipes? How did you do it? - HCBBS Forum
29. Wet nickel-cobalt process - HCBBS Forum
30. The non-heating area of the flange heating tube? - HCBBS Forum
31. 【Haixin Chemical Cup ★ Haichuan Chemical: Spring Has Arrived】080 «It’s a beautiful spring day in the Jiangnan region; do these landscapes still look the same as before?» 》Click for a surprise, haha - HCBBS Forum
32. [Daily Question] [Static Equipment Exchange Edition...Question 113] Adapted multiple choice question on April 23, 2019...all the best - HCBBS Forum
33. 【JST-012】One-on-one Q&A on E+H instrument issues【Technical update to Floor 921】 - HCBBS Forum
34. Old K says every week – talking about things in the petrochemical design industry. Post 16: Common energy-inefficient designs in the petrochemical industry - HCBBS Forum
35. 【HVAC Version】Daily Question 20180409 - HCBBS Forum
36. Complete production process and equipment for water treatment chemical monomers - HCBBS Forum
37. Find the phase diagram of sulfuric acid and ammonia gas - HCBBS Forum
38. Urgent! Urgent! Urgent! Are there any regulations requiring the installation of solenoid valves and check valves for directing water from the water supply pipe into the water heater? - HCBBS Forum
39. 【HVAC Version】Daily Question 20171228 - HCBBS Forum
40. The seven stages of chemical technology from concept to industrialization (Issue 16/100) -- PPS project case study - HCBBS Forum
41. 【Frontiers in HaiChuan Chemical Technology】Dalian Institute of Chemical Physics achieves experimental determination of the intrinsic energy levels of single-atom catalysts and high-throughput screening - HCBBS Forum
42. I’m using butterfly valves for both the acid and water pipelines. The chief engineer said that these butterfly valves will allow leakage of water, as they can’t be closed properly - HCBBS Forum
43. Regarding steam turbine compressors - HCBBS Forum
44. A major project to address the carbon peak at the million-ton level is here! Seal carbon dioxide underground and bring oil to the surface! - HCBBS Forum
45. Hydrogen energy utilization: “Thousands of pear trees in bloom”” - HCBBS Forum
46. What do H&MBs mean? - HCBBS Forum
47. Questions about the installation of burst discs in hydrolysis mixing tanks? - HCBBS Forum
48. Catalyst selection issue - HCBBS Forum
49. 11.25--bak version daily topics - HCBBS Forum
50. Why do food factories and health product factories need to obtain GMP certification? - HCBBS Forum
51. Nitrogen flow rate calculation - HCBBS Forum
52. How to set the upper and lower limits for the cell voltage in chlorine engineering cells - HCBBS Forum
53. [Daily Question] Basic Process Knowledge (True/False) 20190821 - HCBBS Forum
54. Seeking help with calculating compressed air consumption - HCBBS Forum
55. Corrosion protection issues in steel frame buildings? - HCBBS Forum
56. How can concentrated sodium hydroxide solution be used for recrystallization to obtain anhydrous sodium hydroxide? - HCBBS Forum
57. All the really good players have gone to Xiao Mu Chong - HCBBS Forum
58. Check valve, return water connector - HCBBS Forum
59. 【HaiChuan Chemical Project Updates】Shandong Kenli Petrochemical’s 100,000 tons/year C4 technical upgrade project is expected to be approved - HCBBS Forum
60. Seeking help from experts! ! After installing the cracked version of CAESAR II 2017, it fails to open with this message! ! ! - HCBBS Forum
61. Molecular sieves are used to adsorb trace amounts of water in liquids; what is a common choice for the rotation speed of the liquid? - HCBBS Forum
62. What are the reasons for sand leakage in quartz sand filters? At the bottom, from top to bottom, there is a graded sand cushion + dome-shaped porous plate - HCBBS Forum
63. Explosion protection issues with belt-driven vacuum pumps - HCBBS Forum
64. How much is the price for carbon steel lined with rubber? ! - HCBBS Forum
65. Is swapping the \"8\"-shaped blind flange considered a special operation? Are there any relevant standards? - HCBBS Forum
66. Distillation separation of 1,2-dichloropropane and chloroform (30%-40%) - HCBBS Forum
67. Why is an interlock shutdown triggered when the air pressure entering the heating furnace is low? - HCBBS Forum
68. Nitrogen sealing for storage tanks - HCBBS Forum
69. Vent line in the middle of the fuel gas leak detection valve assembly - HCBBS Forum
70. Comparison between continuous sulfur melting and batch sulfur melting reactors in petrochemical, coking, and fertilizer industries - HCBBS Forum
71. Fundamentals of Manufacturing Processes 20170712 - HCBBS Forum
72. May I ask whether a condenser is required for storage tanks of flammable liquids or volatile liquids? - HCBBS Forum
73. 【Daily Topic】【Storage & Transportation Version 20170103】 - HCBBS Forum
74. 【3D Process Flow】- Bromobutane Plant Process Flow - HCBBS Forum
75. Help solutions - HCBBS Forum
76. Questions about hg/T20646.5-1999? - HCBBS Forum
77. 【 Weekly Topic】【 Quality Version 20170123】 - HCBBS Forum
78. Who has a process package for triacetyl cellulose or a process package for electronic-grade low-molecular-weight polyphenylene oxide? - HCBBS Forum
79. Regarding the calculation of liquid seals - HCBBS Forum
80. Cracks appeared after solution treatment during normal welding of 321 stainless steel - HCBBS Forum
81. It’s 2019, and people’s views on the use of MIG welding on pressure vessels - HCBBS Forum
82. Fire steam setup for refinery units - HCBBS Forum
83. What is the safe temperature for unloading materials with an open outlet? - HCBBS Forum
84. The seal water is highly alkaline; what adverse effects does this have on the system? Seeking advice - HCBBS Forum
85. [Mechanical Equipment Technology Edition] Daily Question 201801029: Common Faults in Refrigeration Systems (8.5) - HCBBS Forum
86. Be sure to pay attention to these when the expansion device comes into contact with the valve - HCBBS Forum
87. Teacher Sun Lanyi’s book has arrived; the photo serves as proof - HCBBS Forum
88. Wastewater treatment process for hydroxide ions and methanol - HCBBS Forum
89. Discharge volume under fire conditions of the breather valve of a methanol storage tank (atmospheric pressure tank) - HCBBS Forum
90. Is it feasible to produce hydrogen by reacting sodium with water? - HCBBS Forum
91. Chemical Process Handbook - HCBBS Forum
92. Lanzhou Institute of Chemical Physics completed the paving of a road using modified asphalt mixtures made from retired wind turbine blades as a demonstration project - HCBBS Forum
93. Issues with mass conservation in experiments? ? - HCBBS Forum
94. 【HVAC Version】Daily Question 20180531 - HCBBS Forum
95. The issue of water hammer - HCBBS Forum
96. With vacuum insulation, at the same vacuum level, is the insulation effect the same whether pumping continuously or intermittently? - HCBBS Forum
97. Could you please tell me the fire hazard categories for several types of hazardous waste? - HCBBS Forum
98. Online monitoring of the pH value in reaction vessels - HCBBS Forum
99. Centrifugal pump head problem - HCBBS Forum
100. Sulfur recovery technology - HCBBS Forum