English — Forum #723 (Page 176/642)

1. Second Phase of HaiChuan Outstanding Management Members Evaluation Campaign -- August-September - HCBBS Forum
2. Fill the main cable trench with sand? - HCBBS Forum
3. Piping pressure class - HCBBS Forum
4. Problems encountered during the commissioning of the hydrogenation unit - HCBBS Forum
5. Problems with the lean ammonia liquid pump in refineries. - HCBBS Forum
6. 【Daily Topic】【HVAC Version 20160814】 - HCBBS Forum
7. Tianyi Xinde Environmental Protection Technology Co., Ltd. has added positions such as Sales Supervisor - HCBBS Forum
8. 【Weekly Topic】【Storage & Transportation Version 20160815】 - HCBBS Forum
9. 【Daily Question】August 12, 2016 – Participation +2 Wealth； +3 to +10 wealth for correct answers - HCBBS Forum
10. The instrument valves are too large, affecting the process pipelines. Additional support is needed. Are there any standard specifications in this area? - HCBBS Forum
11. The slurry’s solid-liquid ratio is 30%; how can I determine the amounts of solids and liquids respectively? - HCBBS Forum
12. I need help figuring out where to start with the moving equipment for the EO unit - HCBBS Forum
13. (Daily Question) - HCBBS Forum
14. Why do the bearings of liquid ammonia shield pumps have axial grooves? - HCBBS Forum
15. Who has the manual for the XGS868 ultrasonic flow meter? - HCBBS Forum
16. Regarding the distribution of cooling allowance, shouldn’t it be handled by the workshop production managers? - HCBBS Forum
17. Safety Technology Exchange Edition: Daily Question (2016.8.11) - HCBBS Forum
18. Can a methanol tank truck hold 30% ammonia solution? - HCBBS Forum
19. How to manage the comparison between the liquid level readings in the control room of chemical processing plants and those taken at the operational sites? - HCBBS Forum
20. Problems with 20,000-ton sulfur waste heat boilers - HCBBS Forum
21. Recruitment for EPC management professionals in various specialties for Sinopec’s overseas projects - HCBBS Forum
22. CO2 content at methanol synthesis inlet - HCBBS Forum
23. June 2013: Reduction in drying time - HCBBS Forum
24. What glue should be used to bond fiberglass pump casings? - HCBBS Forum
25. I’m here today to disrupt things; those who aren’t top-level experts, please stay away - HCBBS Forum
26. Selection of welding electrodes for the seal welding of heat exchanger head gasket plates - HCBBS Forum
27. Large opening reinforcement calculation problem - HCBBS Forum
28. Can a steam mass flow meter be installed behind the control valve? Which type of flow meter is accurate? - HCBBS Forum
29. The four understandings of chemical operations - HCBBS Forum
30. Turbine control system - HCBBS Forum
31. Process system design - HCBBS Forum
32. 【Daily Topic】【HVAC Version 20160823】 - HCBBS Forum
33. Sulfur simulation system training** - HCBBS Forum
34. Detailed discussion thread on the design, manufacturing, and installation of bolted tanks! - HCBBS Forum
35. 【Daily Topic】【Electrical Edition 20160823】 - HCBBS Forum
36. Seeking help regarding the start-up and shutdown of wax oil hydrocracking recently - HCBBS Forum
37. Tianze Chemical’s “40.60” fertilizer project has been fully put into operation - HCBBS Forum
38. To be a \"safe\" person, you need these five \"competencies\"! - HCBBS Forum
39. In what situations is it necessary for a hard-link signal to be used for interlock control? - HCBBS Forum
40. Valve sales - HCBBS Forum
41. Communication issues between Dalian Sanyo Industrial lithium bromide refrigeration units and the host computer - HCBBS Forum
42. What are the advantages of a series-connected heat exchanger? - HCBBS Forum
43. Why can’t copper be used for vinyl chloride equipment, pipes, etc.? - HCBBS Forum
44. Explore measures for dealing with compressor leakage points - HCBBS Forum
45. Exam-related - HCBBS Forum
46. Another plea for help - HCBBS Forum
47. Furnace tube hanger/furnace tube hook manufacturer - HCBBS Forum
48. I wonder how much potential there is left for refining - HCBBS Forum
49. Are there any fire separation requirements for expansion tanks and heat transfer oil heaters? - HCBBS Forum
50. What are hazardous operations, special operations, and the eight types of operations? Finally, it’s clear! - HCBBS Forum
51. Is it necessary to conduct a leak test on atmospheric storage tanks with nitrogen sealing? - HCBBS Forum
52. I’ve just started working in pressure vessel design – are there any resources or methods available? I’m really desperate for help - HCBBS Forum
53. Pickling and passivation of stainless steel equipment - HCBBS Forum
54. Are there any requirements for the layout at the bottom of the tank? - HCBBS Forum
55. Environmental Protection Daily Post 8.12: Reward for participation – 3 points, plus another 3 points for answering correctly - HCBBS Forum
56. Seeking a job with 10 years of experience in the petrochemical industry - HCBBS Forum
57. The advantages of coking at low oil prices and technological advancements - HCBBS Forum
58. 【Daily Topic】【Civil Engineering Version 20160824】 - HCBBS Forum
59. How to deal with the outbreak of organic phosphorus in pesticide synthesis wastewater? - HCBBS Forum
60. "null" - HCBBS Forum
61. Urea price trends across China as of 8/18/2016 - HCBBS Forum
62. The problems with gasification wastewater - HCBBS Forum
63. Seeking technical information regarding the processing technology of used mineral oil - HCBBS Forum
64. What are the methods for removing bolts without using fire, and what equipment is available? I need some advice. - HCBBS Forum
65. Welding of heat exchange tubes to tube sheets - HCBBS Forum
66. The issue of gas explosion limits in a pure oxygen environment - HCBBS Forum
67. 【Daily Topic】【Electrical Edition 20160817】 - HCBBS Forum
68. 【Daily Question】Chemical Engineering Principles 409: Boiler Pre-startup Protection (August 18) - HCBBS Forum
69. Manufacturers of sulfur recovery quench towers - HCBBS Forum
70. Questions regarding the quality grade requirements for ultrasonic testing of steel plates used for casings - HCBBS Forum
71. Which brand of water purifier is the best? Please explain the reason, thank you! ! - HCBBS Forum
72. Questions regarding Class D fluids in ASME B31.3 - HCBBS Forum
73. 【Picture of the Day】2016 08 12 Picture of the Day – The excitement continues. What device is the equipment in this picture connected to? - HCBBS Forum
74. Resistance and power - HCBBS Forum
75. Selection of laboratory-grade acetylene hydrogenation flow meters - HCBBS Forum
76. 【Daily Topic】【Civil Engineering Version 20160811】 - HCBBS Forum
77. The issue of forging grades for low-temperature vessels - HCBBS Forum
78. Which is better for dry vacuum pumps: claw type or screw type? - HCBBS Forum
79. Sign-in record post from August 16, 2016 - HCBBS Forum
80. Question 21, Morning Session, 2013 Professional Case Studies - HCBBS Forum
81. Updates on Chemical Accidents at Home and Abroad (August Accident Statistics) - HCBBS Forum
82. 【Weekly Topic】【Quality Version 20160815】 - HCBBS Forum
83. Is it difficult to develop safe behaviors? There are 7 reinforcement measures here - HCBBS Forum
84. When designing pressure vessels, a pressure of 6.3 Mpa is required. If an access hatch is to be added, isn’t this value of 6.3 Mpa specified in the standards? Or have I just not found the right standards? - HCBBS Forum
85. Issues with the size of cable trenches for instrument control cables - HCBBS Forum
86. Reasons for the damage of mesoporous fiber membranes - HCBBS Forum
87. For sending a 24VDC signal to the PLC, a 1.5 square millimeter control cable is used – will there be any issues transmitting over a distance of 300 meters? - HCBBS Forum
88. Environmental Protection Daily Tip: Reward on 8.15 – 3 points for participation, plus 5 more points for answering correctly - HCBBS Forum
89. Designation of pressure vessel stud materials - HCBBS Forum
90. Environmental Protection Daily Post 8.22: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
91. Is it time to test our expertise? - HCBBS Forum
92. Problems with reciprocating compressors - HCBBS Forum
93. Could everyone help me figure out which standard applies to design temperature and pressure? - HCBBS Forum
94. Regarding the selection of mechanical seals - HCBBS Forum
95. Numerical issues after replacing the steam flow meter - HCBBS Forum
96. 【Daily Question】Chemical Engineering Principles 413: Regenerating the Anion Exchange Bed in Winter (August 24) - HCBBS Forum
97. Can a stainless steel tube with an outer diameter of 8mm and a wall thickness of 1mm be used as a hydraulic oil pipe capable of withstanding 10MPA pressure? ? ? - HCBBS Forum
98. Drawing built north - HCBBS Forum
99. Calculation of the diameter of a semi-dry desulfurization tower - HCBBS Forum
100. 3D modeling, walkthrough videos, render creation - HCBBS Forum