English — Forum #336 (Page 23/51)

1. New code for building codes 55037-2022 - HCBBS Forum
2. Whatever is behind the pump - HCBBS Forum
3. Regarding the installation of pressure relief manholes on small nitrogen-sealed storage tanks - HCBBS Forum
4. On HTRI spiral baffle heat exchangers - HCBBS Forum
5. Phosgene-based product collaboration - HCBBS Forum
6. Aspen is malfunctioning and cannot be used - HCBBS Forum
7. Comprehensive Book on Chemical Equipment Design – Design of Ultra-High Pressure Vessels - HCBBS Forum
8. 【HaiChuan Chemical Project Updates: Approval granted for a 3 billion yuan project in Bayannur to produce 1 million tons of carbon-silicon-based new materials, as well as a project to produce 2 million tons of methanol from exhaust gases】 - HCBBS Forum
9. Issues regarding steam drainage in negative-pressure long-distance pipelines - HCBBS Forum
10. General Code for Fire Protection of Buildings GB55037-2022 - HCBBS Forum
11. How to calculate the pressure of a liquid on a pipe - HCBBS Forum
12. For 304/304L materials with dual grade certification, how should the allowable stress be selected when performing calculations? - HCBBS Forum
13. How is PID created? Issue 8: Design of P&ID for Heating Furnace p08 - HCBBS Forum
14. Vibration of high-efficiency heat exchangers - HCBBS Forum
15. Free tutorial on how to use the vacuum pump calculation sheet - HCBBS Forum
16. For two-in-one centrifuges, what is the typical mesh count of the filter cloth required to meet the requirements of the manufacturing process? - HCBBS Forum
17. Small heat exchanger design software - HCBBS Forum
18. How to choose the dotted line for fillers in Echt’s general association diagram - HCBBS Forum
19. What is a reasonable range for maintaining the liquid level in the steam generator? - HCBBS Forum
20. Reasons and significance for using control valves in interlocks - HCBBS Forum
21. Do pipe supports and hangers require gaskets? - HCBBS Forum
22. Vacuum pipeline connected to heat exchanger or buffer tank? - HCBBS Forum
23. Regarding PFD diagrams and PID diagrams, which standard provides an official explanation? - HCBBS Forum
24. Dear friends from Sichuan, discussion on the absorption and treatment devices for liquid chlorine accidents - HCBBS Forum
25. How should the evaporation and concentration process of manganese sulfate solution be designed? - HCBBS Forum
26. Should the pressure gauge between the burst disc and the safety valve be remote or local? - HCBBS Forum
27. Book: SIL Rating and Verification.pdf - HCBBS Forum
28. How to convert Navisworks Manage models to PDS models - HCBBS Forum
29. Explanation of the calculation sheet for insulation or cooling internal coils in storage tanks - HCBBS Forum
30. Heat exchanger process design - HCBBS Forum
31. How should the gas distribution in the tower be designed after the gas-liquid mixture is prepared in the pre-mixing pipeline? Seeking advice from experts - HCBBS Forum
32. Why has the steam flow rate in the reboiler increased? - HCBBS Forum
33. How is it defined that the control room should not, in principle, be located in the plant area? - HCBBS Forum
34. Nitrogen sealing issue in storage tanks - HCBBS Forum
35. Discussion on the spacing between storage tanks of different types - HCBBS Forum
36. The latest 2023 “Guidance Catalogue for Industrial Structure Adjustment” identifies 13 categories of petrochemical industries subject to restrictions, as well as 17 major categories that are to be phased out - HCBBS Forum
37. Can the feed pump and discharge pump for the sodium hypochlorite storage tank share the same pump? - HCBBS Forum
38. Are dedicated-grade fully threaded studs stronger than commercial-grade hex head bolts? - HCBBS Forum
39. 3D factory design software series for chemical engineering projects - HCBBS Forum
40. The diameters of the nitrogen pipeline networks vary - HCBBS Forum
41. Find the temperature after decompression - HCBBS Forum
42. Explanation of the Heat Transfer Calculation Table for Stirred Tank Reactors - HCBBS Forum
43. Does the instrument air buffer tank necessarily need to meet the requirement of providing a continuous supply of air for 15–20 minutes? - HCBBS Forum
44. Weifang Yaxing Chemical plans to build a project for the production of 45,000 tons per year of high-end VDC/PVDC new materials - HCBBS Forum
45. Which standard should be followed for the mirror-polishing of the inner surface of pressure vessels? - HCBBS Forum
46. Adsorption of carbon dioxide using the hot potassium alkali method - HCBBS Forum
47. Is the production of acid from pyrite a hazardous chemical process that is subject to strict regulation? - HCBBS Forum
48. What is the fire hazard classification for the hydrogen peroxide dosing room? - HCBBS Forum
49. Wastewater discharge from bromine tank area - HCBBS Forum
50. Identification of major hazard sources for formalin solutions - HCBBS Forum
51. Explanation of the calculation sheet for insulation or cooling jackets around equipment - HCBBS Forum
52. Can saline wastewater enter the stripping unit? - HCBBS Forum
53. An excellent in-depth article! Safety design measures for high-temperature storage tanks! - HCBBS Forum
54. When the distance from a storage tank in a tank farm to the fire dike is half the height of the tank wall, is it necessary to take into account the height of the tank foundation? - HCBBS Forum
55. Selection of liquid chlorine pipelines and valves - HCBBS Forum
56. Old K calculation table summary list - HCBBS Forum
57. Process alarm value setting? - HCBBS Forum
58. Let’s analyze whether the pipeline is full or not in this situation - HCBBS Forum
59. Is this pipe gallery design reasonable? - HCBBS Forum
60. Free explanation on the process calculation sheet for reciprocating compressors - HCBBS Forum
61. Seeking advice on the use of Class II industrial land - HCBBS Forum
62. Benzyl chloride storage tank - HCBBS Forum
63. Regarding the claims about the petrochemical storage warehouse - HCBBS Forum
64. Gansu Province has introduced five systems for the three-year action plan on special rectification of work safety – does it affect you? - HCBBS Forum
65. werrw - HCBBS Forum
66. Regarding ground torches - HCBBS Forum
67. Under what circumstances should an emergency ventilation system be designed? - HCBBS Forum
68. Problems in the heat exchanger course design - HCBBS Forum
69. 【Daily Question】Theoretical Foundation 2020.09.01 - HCBBS Forum
70. 【Daily Question】Theoretical Foundation 2021.04.07 - HCBBS Forum
71. May I ask if the circulating water tank for use in the workshop can be located on the perimeter of the workshop? - HCBBS Forum
72. Does it react with hydrogen peroxide? - HCBBS Forum
73. 【Daily Question】Theoretical Foundation 2020.07.30 - HCBBS Forum
74. Saturated steam is depressurized and then used in a heat exchanger – is the area of the heat exchanger sufficient? - HCBBS Forum
75. Where can I buy cycloheximine? Thank you so much! - HCBBS Forum
76. Fire and explosion occur at a battery factory in Hunan; enhanced fire prevention measures are needed for hazardous chemicals in winter - HCBBS Forum
77. 【Daily Question】Theoretical Foundation 2020.04.27 - HCBBS Forum
78. Are drainage and venting also required in the oil and gas recovery pipeline? - HCBBS Forum
79. In multi-layer pressure vessels, how is the thickness of the inner cylinder generally determined? - HCBBS Forum
80. Separation of ethylene glycol from water - HCBBS Forum
81. Active free radical polymerization - HCBBS Forum
82. 【Daily Question】Theoretical Foundation 2021.03.12 - HCBBS Forum
83. What design and changes are needed to install a bursting disc in front of the safety valve? - HCBBS Forum
84. 【Daily Question】Theoretical Foundation 2020.11.15 - HCBBS Forum
85. Calculation and selection of thermal insulation and cold insulation materials - HCBBS Forum
86. Seeking advice on the design of hydrogen peroxide tanks - HCBBS Forum
87. Isolation valve - HCBBS Forum
88. Code for Fire Protection Design of Oil and Gas Engineering Projects - HCBBS Forum
89. 【Daily Question】Theoretical Foundation 2020.12.23 - HCBBS Forum
90. 【Daily Question】Theoretical Foundation 2020.05.26 - HCBBS Forum
91. (Luminol, used in criminal investigations to show traces of blood), flammable gas in a jar - HCBBS Forum
92. Looking for an electronic version of the textbook “Aspen Plus Chemical Engineering Application Examples” - HCBBS Forum
93. List of chemical products with increased production volume – Summary - HCBBS Forum
94. 【Daily Question】Theoretical Foundation 2020.09.19 - HCBBS Forum
95. How can we recycle the steam condensate in our plant, whose temperature is above 100°C? - HCBBS Forum
96. Extremely Hazardous and Highly Hazardous Weld Flaw Detection and Leakage Test - HCBBS Forum
97. Centrifuges drive rapid development of chiller products | 2021 Half-Year Report - HCBBS Forum
98. Risk assessment of reaction safety in fine chemical industry - HCBBS Forum
99. Precautions required for the sea transport of hazardous goods - HCBBS Forum
100. 【Daily Question】Theoretical Foundation 2020.05.24 - HCBBS Forum