English — Forum #337 (Page 148/163)

1. 【Daily Topic】【HVAC Version 20170413】 - HCBBS Forum
2. Looking at the diagram, how is the operating pressure of this pipeline determined? - HCBBS Forum
3. Centrifuge air volume - HCBBS Forum
4. Problems in the layout of stone processing equipment - HCBBS Forum
5. E-book Basic Knowledge of Petroleum Refining Unit-Basic Knowledge of Catalytic Cracking Unit (2) - HCBBS Forum
6. Inlet and outlet air volume of the centrifugal fan! - HCBBS Forum
7. What pressure is suitable for steam pipeline transportation in industrial parks? - HCBBS Forum
8. How to write better operating procedures - HCBBS Forum
9. I’ll teach you a trick to easily install bearing washers - HCBBS Forum
10. Is it dangerous to use gas heating or electric heating? What should I do? - HCBBS Forum
11. What is the impact of reducing the salt content from 8 to 4 after vacuum distillation on the catalysts in the catalytic unit? - HCBBS Forum
12. Seeking assistance with the parameter calculation for the safety valve of hydrogen peroxide pipelines - HCBBS Forum
13. What is the required distance in meters between a Class C factory building and roads? Which provision has it? - HCBBS Forum
14. 【Daily Topic】【HVAC Version 20170316】 - HCBBS Forum
15. Incineration of phthalic anhydride off-gas by the adjacent method - HCBBS Forum
16. Is the calculation of the SCH wall thickness related to the outer diameter of the pipe? - HCBBS Forum
17. Are the surrounding design spray eyewash stations in methanol and ammonia storage tanks really useful? - HCBBS Forum
18. Problems with insulation materials for pipeline equipment - HCBBS Forum
19. Essential tips every beginner must know! Safety Procedures for Loading and Unloading Liquefied Petroleum Gas Tankers - HCBBS Forum
20. Butadiene for rubber production - HCBBS Forum
21. May I ask, is it true that the smaller the average temperature difference, the more stable the heat exchange in the heat exchanger? ? - HCBBS Forum
22. Problems with the backside of the safety valve - HCBBS Forum
23. The standard for chemical engineering PID design legends is... - HCBBS Forum
24. On Design and Production - HCBBS Forum
25. How to recycle non-permeate gas? - HCBBS Forum
26. I would like to ask fellow sailors: are there any manufacturers that install solar panels on enclosed roofs at coal yards? - HCBBS Forum
27. I earnestly request information such as flowcharts and operating procedures for the vinyl acetate process using ethylene - HCBBS Forum
28. 【Daily Question】Catalytic Coking Reformate Blending Version 20170409 - HCBBS Forum
29. Scope of corrosion protection in the construction drawing design specifications for process piping systems - HCBBS Forum
30. Regarding the insulation thickness of pipes in 99R101, why is the insulation thickness required in winter lower than that required throughout the year? - HCBBS Forum
31. How to determine the air change rate of a factory building - HCBBS Forum
32. The owner has provided the process package – what valuable work can the design institute do? - HCBBS Forum
33. How to build a big data production system? Are there any good software options? - HCBBS Forum
34. Estimation of flue gas components - HCBBS Forum
35. Regarding the conditions, the issue of equipment load - HCBBS Forum
36. Chemical terms - HCBBS Forum
37. Do you know about the magical flange nut? - HCBBS Forum
38. High turbine load and low extraction pressure – why does vibration increase? - HCBBS Forum
39. Calcium carbide slurry - HCBBS Forum
40. What standards were referenced in the formulation of SH 3118-2000 \"Design Code for Steam Jet Evacuators in Petrochemical Industries\"? - HCBBS Forum
41. Are industrial buildings only factories and warehouses? ? - HCBBS Forum
42. For ordinary lubricating oil pipelines, what is the common cleaning medium? - HCBBS Forum
43. 【Daily Topic】【HVAC Version 20170317】 - HCBBS Forum
44. What material are the pipes used for domestic water supply in the factory area nowadays? ? Are galvanized steel pipes no longer needed? ? - HCBBS Forum
45. Considerations for selecting a chimney for a heat transfer oil furnace - HCBBS Forum
46. 【Daily Topic】【HVAC Version 20170323】 - HCBBS Forum
47. Switching from coal to gas in boilers: the issue of spacing - HCBBS Forum
48. Seeking advice on process issues in the LNG liquefaction stage - HCBBS Forum
49. Saturated steam design temperature - HCBBS Forum
50. Heating furnace: coal-saving section, evaporation section, superheating section - HCBBS Forum
51. Are there any requirements regarding the distance between communication base stations and Class A factories with explosion hazards? - HCBBS Forum
52. 3.8 MPa, 450°C superheated steam hydrostatic test pressure - HCBBS Forum
53. Energy conservation in closed pipelines - HCBBS Forum
54. Texaco - HCBBS Forum
55. [Weekly Image] Catalytic Coking Reformate Blending Version (Third image of May 2017) - HCBBS Forum
56. Design issues in diazotization reactions - HCBBS Forum
57. Can’t 20# material of 8163 be used for ammonia pipelines? ? Images speak louder than words - HCBBS Forum
58. Who has the electronic version of the series titled \"Q&A on Emergency Knowledge for Refining Plants\"? ? - HCBBS Forum
59. A detailed introduction to the crystallization chapter? - HCBBS Forum
60. Regarding the temperature of wastewater - HCBBS Forum
61. What category is the fire hazard of concentrated sulfuric acid classified as? ? ? What is the basis? ? - HCBBS Forum
62. 【Daily Topic】【HVAC Version 20170503】 - HCBBS Forum
63. The storage tanks in the tank farm cannot be set too low for the same reason - HCBBS Forum
64. Calculation of the volume of a specific component in a mixed gas - HCBBS Forum
65. The fire separation distances for Class A and B liquid storage tanks and Class A production units are insufficient - HCBBS Forum
66. May I ask why the single-sided welding with double-sided formation technique is used for welding pressure pipelines? - HCBBS Forum
67. Seek help: **Henry’s law constant of furan in water** - HCBBS Forum
68. Looking for ZnSO4 production processes or manufacturers - HCBBS Forum
69. 【2-14】Daily Question for Occupational Health Edition - HCBBS Forum
70. Methanol synthesis - HCBBS Forum
71. According to the Comprehensive Book on Safety Technologies for Hazardous Chemicals, 2nd edition, the flash point of dichloromethane is -4 degrees, and it is classified as a Class A substance - HCBBS Forum
72. Condensate phase equilibrium and material non-conservation in reduced-pressure gasification - HCBBS Forum
73. How is gas flow rate estimated? - HCBBS Forum
74. Can a π-bend be used for the steam condensate pipeline on the pipe rack? - HCBBS Forum
75. View mirror cut-off valve - HCBBS Forum
76. Research on low-temperature and medium-temperature isomerization in China is welcome for discussion - HCBBS Forum
77. Experience exchange on LNG production technology - HCBBS Forum
78. Chemical safety question bank - HCBBS Forum
79. Regarding the issue of single-evaporation concentration, guys. - HCBBS Forum
80. What is the difference between the pre-filtration unit used before ultrafiltration and the pre-filtration unit used before reverse osmosis? Why? - HCBBS Forum
81. C036 E-book---Compilation of Technical Materials on Heat-Recovery Coke Ovens - HCBBS Forum
82. What are the inspections for heat transfer oil heaters? - HCBBS Forum
83. One set of design drawings for utility pipelines is required - HCBBS Forum
84. How should one purchase a sludge scraper? What should be done if the person responsible for designing the construction drawings for the sludge scraper doesn’t know how to do it? ? - HCBBS Forum
85. Heating issue - HCBBS Forum
86. Which code specifies the requirements for evacuation routes in control rooms and their internal layout? - HCBBS Forum
87. One question per day - HCBBS Forum
88. [Weekly Image] Catalytic Coking Reformate Blending Version (First image of April 2017) - HCBBS Forum
89. Interpretation of the Safety Technical Inspection Regulations for Fixed Pressure Vessels - HCBBS Forum
90. Why is the design flow velocity for chimneys set at 15 m/s? ! - HCBBS Forum
91. E-book: Basics of Petroleum Refining Units – Hydrogen Production and Addition Units (IV) - HCBBS Forum
92. Here are the anti-static garments you wanted - HCBBS Forum
93. Styrene - HCBBS Forum
94. Selection of home floor heating systems - HCBBS Forum
95. How can it be determined that the static pressure of the fan is zero? - HCBBS Forum
96. How to determine whether a flame arrester needs to be of the deflagration suppression type or the detonation suppression type? - HCBBS Forum
97. Safety valve setting pressure - HCBBS Forum
98. Which sea friend has a feasibility study report for a dye production project? Please share it - HCBBS Forum
99. Collection of explosive dusts - HCBBS Forum
100. 【Daily Question】Poetry and Literature Edition (170321) - HCBBS Forum