English — Forum #723 (Page 555/642)

1. Impact of energy-saving renovation of the plant’s circulating water system on plant operation - HCBBS Forum
2. Sand hole problem in cast valves - HCBBS Forum
3. Three key principles for employers when hiring: which one do you meet? - HCBBS Forum
4. What is the typical validity period for the calibration of pressure gauges used in tests? - HCBBS Forum
5. 【Daily Question】Question from Issue 20150820 - HCBBS Forum
6. Coal chemical engineering materials such as \"Integrated Gasification Combined Cycle for Gas and Steam Production\" - HCBBS Forum
7. Classification of static equipment - HCBBS Forum
8. Where can one apply to become a senior chemical engineer in Jiangsu Province? - HCBBS Forum
9. Heat treatment heating and cooling rates - HCBBS Forum
10. Why is acetylene present in the liquid oxygen tank? ? - HCBBS Forum
11. What are the types of corrosion that occur during the urea production process? - HCBBS Forum
12. Installation issues of air separation units - HCBBS Forum
13. To apply for an intermediate professional title, a business defense paper is required; can I use a paper published in my journal? - HCBBS Forum
14. Reuse of waste acetic acid - HCBBS Forum
15. May I ask at what power level must a motor be equipped with high voltage? - HCBBS Forum
16. This question is quite special: it relates to the technical aspect of whether the injured person ran or walked quickly to reach the eye-washing station - HCBBS Forum
17. Instruction manual for density and level gauges by BERTHOLD, Germany - HCBBS Forum
18. What is the mechanism by which copper affects the sensitivity to stress-induced cracks? - HCBBS Forum
19. Coke oven automatic heating system - HCBBS Forum
20. Incident Handling 14: What are the hazards caused by the detachment of wear-resistant materials in the worn areas of a circulating fluidized bed boiler? - HCBBS Forum
21. Tank pressure in the storage tank area - HCBBS Forum
22. Lubricating oil pump - HCBBS Forum
23. Accident Handling 20: How to prevent clogging of the return conveyor in a circulating fluidized bed boiler? - HCBBS Forum
24. I ran into some issues; I’d appreciate everyone’s advice. - HCBBS Forum
25. In memory of the firefighters who lost their lives in the explosion in Binhai New Area, Tianjin - HCBBS Forum
26. The heat exchange efficiency of the three-stage cooler in the air separation booster is poor - HCBBS Forum
27. The temperature in the chlorate decomposition tank is unstable - HCBBS Forum
28. Specifications for laying signal control wires and 220V power lines - HCBBS Forum
29. What components are included in the volume of a circulating water system? - HCBBS Forum
30. Insulating protective layer - HCBBS Forum
31. Just started in the design field, feeling lost - HCBBS Forum
32. Material Awareness Card - HCBBS Forum
33. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 141 - HCBBS Forum
34. What precautions should be taken when taking gas samples? - HCBBS Forum
35. There are many bubbles in the aerobic zone, and the water coming out is black – what’s going on? - HCBBS Forum
36. Calculation of heat transfer rate for air-temperature gasifiers - HCBBS Forum
37. How about working in analysis and testing after obtaining a master’s degree? - HCBBS Forum
38. Gasification unit price - HCBBS Forum
39. Mechanical pump - HCBBS Forum
40. Consultation on flue gas humidity measurement - HCBBS Forum
41. Seeking help with a graphic conversion issue - HCBBS Forum
42. What color paint should be used on the doors of the power distribution room? - HCBBS Forum
43. How is the decomposition of 27% hydrogen peroxide? - HCBBS Forum
44. autodest plant 3d 2013 Chinese version - HCBBS Forum
45. Be careful of trickster companies when looking for a job! - HCBBS Forum
46. It’s annoying – the next 47013 also requires wealth. I found one that doesn’t need wealth! - HCBBS Forum
47. Find the reason for high temperature in the bridge pipe - HCBBS Forum
48. Kaifeng Air Separation Group Co., Ltd. was the first to achieve the domestic production of the first batch of CO-H2 cryogenic separation units - HCBBS Forum
49. I would like to ask what material is suitable for use in the acid absorption tanks for by-product salt - HCBBS Forum
50. How to get through the next few years - HCBBS Forum
51. Issue with the outlet temperature of the coolant water in the cooler - HCBBS Forum
52. What standards are followed for copper elbows? - HCBBS Forum
53. Summary of Work on the Three Inspections and Four Fixations for the Equipment - HCBBS Forum
54. Leak in the head of the medium-pressure shift gas heat exchanger used as a feedstock for hydrogen production from naphtha - HCBBS Forum
55. Sign-in record post from August 20, 2015 - HCBBS Forum
56. Overflow prevention measures for hazardous material warehouses - HCBBS Forum
57. Production status and pricing of domestic PVC manufacturers in mid-August - HCBBS Forum
58. How to solve reboiler clogging - HCBBS Forum
59. Request for manufacturing diagram of Johnson net outlet collector - HCBBS Forum
60. Find a plate heat exchanger that can be used for cooling powder materials - HCBBS Forum
61. 【Daily Question】Question from Issue 20150813 - HCBBS Forum
62. What are the operating temperature ranges for 20# carbon steel and 16Mn (Q245)? - HCBBS Forum
63. 【Daily Question】Question from Issue 20150814 - HCBBS Forum
64. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 284 - HCBBS Forum
65. The nozzles in the desulfurization cooling tower are clogged with sulfur; seek an online solution. - HCBBS Forum
66. Aren’t there many valves or flow meters that are DN32? - HCBBS Forum
67. Regarding the feeding of solid microreactors - HCBBS Forum
68. Purging of steam and air pipes - HCBBS Forum
69. To measure flow velocity with a pitot tube, what is the appropriate insertion depth? - HCBBS Forum
70. PETRO-SIM - HCBBS Forum
71. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 144 - HCBBS Forum
72. Hydrogen production from coke oven gas - HCBBS Forum
73. Process information on the production of gasoline and diesel from used mineral oil - HCBBS Forum
74. How to calculate the power generation load of a backpressure unit - HCBBS Forum
75. How about Zhejiang Engineering Design Co., Ltd.? - HCBBS Forum
76. How useful are the rope guides inside a crane? - HCBBS Forum
77. What are the common types of ring packings? What are its structure and practical features? - HCBBS Forum
78. What are the materials used for mushroom cultivation bags, namely shiitake mushroom bags? - HCBBS Forum
79. What is the purpose of the inverted U-shaped pipe at the inlet of the oil tank? The oil flows upward for a few meters before flowing down into the pipe - HCBBS Forum
80. Frequency of monitoring equipment foundation settlement during the production period - HCBBS Forum
81. Chemical Engineering in Daily Life – Question 26: Where is the seafood safest? Standard answer already available - HCBBS Forum
82. UPVC pipe issues - HCBBS Forum
83. Lubrication issues in hydrocracking compressor cylinders - HCBBS Forum
84. Test the wealth reward feature that becomes available daily while online - HCBBS Forum
85. Latest valid GB, HG, SY, SH, JB standard catalog - HCBBS Forum
86. How does the deoxidizer function to inhibit olefin polymerization? - HCBBS Forum
87. Discussion on shaft displacement in centrifugal compressors. - HCBBS Forum
88. Regarding the thickness of the cylinder and head - HCBBS Forum
89. How is the final settlement for maintenance approved? - HCBBS Forum
90. What is the function of the packing installed in the deaeration tower at the top of the thermal deaerator? - HCBBS Forum
91. I have a question regarding the materials used for low-temperature bolts - HCBBS Forum
92. Can C-22 alloy withstand hydrofluoric acid? - HCBBS Forum
93. Summary of work on device airtightness - HCBBS Forum
94. How is this technology? - HCBBS Forum
95. How is the conversion rate for each segment of the adiabatic transformation designed? - HCBBS Forum
96. 【Daily Question】Chemical Engineering Principles 146: Desorption Methods (August 19) - HCBBS Forum
97. Thorough discussion on pipeline design ideas - HCBBS Forum
98. Several principles that young entrepreneurs need to follow - HCBBS Forum
99. 【Daily Question】Question from Issue 20150818 - HCBBS Forum
100. What causes the secondary pump of a series pump not to start? - HCBBS Forum