English — Forum #337 (Page 4/163)

1. Looking for books on industrial equipment - HCBBS Forum
2. \"Design of Oil and Gas Gathering, Transportation, and Processing Processes\" - HCBBS Forum
3. What are the prospects for producing tert-butylamine via isobutylene amination? - HCBBS Forum
4. What are commodity-grade hex head bolts - HCBBS Forum
5. How to remove salt from the pipes of the device - HCBBS Forum
6. 【Weekly Topic】【HVAC Version 20170114】 - HCBBS Forum
7. Seeking assistance regarding standard DEP-T-PE0103-2016: Provisions for design pressure and design temperature of pipelines - HCBBS Forum
8. What are the reasons for the high content of benzene in the poor solvent, and how should it be adjusted? - HCBBS Forum
9. Should pressure gauges and thermometers be installed on both the inlet and outlet pipelines of the cooling circulation system in the plant area? - HCBBS Forum
10. Seeking help with the issue of rising height - HCBBS Forum
11. 【HVAC Version】Daily Question 20180313 - HCBBS Forum
12. Should a shell-and-tube heat exchanger be insulated? - HCBBS Forum
13. Reaction heat safety assessment, thermodynamic calculations for process scale-up - HCBBS Forum
14. Batch hydrogenation process and automatic control - HCBBS Forum
15. Conbey Group’s investment of 1.5 billion yuan in the project to upgrade the treatment of 200,000 tons of chemical organic hazardous waste through green and low-carbon resource utilization methods - HCBBS Forum
16. What type of heat exchanger is suitable for heat exchange between gases? - HCBBS Forum
17. Electrical heating insulation construction plan - HCBBS Forum
18. Regarding Kettler reboilers, we have already determined the heat exchange area – are there any standards available for selection? - HCBBS Forum
19. [Daily Question] Basic Process Knowledge (True/False Questions) 20190319 - HCBBS Forum
20. [Daily Question] Basic Process Knowledge (True/False Questions) 20190724 - HCBBS Forum
21. Help! Issues with boiler operation; seeking expert advice urgently! ! ! - HCBBS Forum
22. Safety valve and piping issues in steam pipelines - HCBBS Forum
23. Is it valid if this type of technical stamp is applied to the drawing without a signature? What are the risks? - HCBBS Forum
24. 9.13 Daily Question – True or False; a prize is given for every correct answer (Pharmaceutical Engineering Technology version) - HCBBS Forum
25. Seeking guidance from the supervisor regarding import and export volume issues - HCBBS Forum
26. Which sea friend has the process hazard inspection form? - HCBBS Forum
27. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 05–11】 - HCBBS Forum
28. Process for producing sodium metabisulfite (sodium bisulfite) and anhydrous sodium sulfite from desulfurization solid waste – black sulfur – in coking plants - HCBBS Forum
29. How should concrete tanks containing Class A and Class B liquids be classified? ? - HCBBS Forum
30. Newbie seeking help regarding vacuum pipelines for solvent recovery in reaction vessels - HCBBS Forum
31. All procurement agreements under the Yulin Energy Chemicals filling and improvement project framework have been finalized - HCBBS Forum
32. For central air conditioning systems, the copper pipes are pressurized with nitrogen at 40 kilograms of pressure; over 5 days, this pressure dropped by 2 kilograms. Is it acceptable for the amount of refrigerant to be 5 kilograms in such cases? - HCBBS Forum
33. Seek the design specifications for hydrochloric acid storage tanks - HCBBS Forum
34. Pressure vessel custom-shaped parts strength calculation software package [Free] [Built-in material database] [Printable calculation reports] - HCBBS Forum
35. I was wondering, for HDPE pipes with a DN200 diameter, are there any fittings available to create a small branch for installing a pressure gauge? Reducer tee? - HCBBS Forum
36. Can a turbine flow meter measure the flow rate of methanol and ethanol at 45 degrees? - HCBBS Forum
37. Is there such a pipeline design? - HCBBS Forum
38. Help needed with the setup of a steam trap. - HCBBS Forum
39. What type of pump is suitable for pumping lime milk? - HCBBS Forum
40. Alcohol distillation process - HCBBS Forum
41. Find the absolute roughness of steel-lined PTFE pipes - HCBBS Forum
42. Is a multi-stage process more efficient than a single-stage process? ! - HCBBS Forum
43. Why is the gas generation rate in the drum always greater than the water supply volume? - HCBBS Forum
44. Dear teachers, where can I conduct tests on intergranular corrosion of steel? - HCBBS Forum
45. Calculation of boiler gas consumption - HCBBS Forum
46. 【Ten Years of Rapid Development in Chemical Equipment】The \"100,000 tons/year electronic-grade ethanol complete technology package\" for 1776–2024 has passed appraisal - HCBBS Forum
47. During the prolonged shutdown of the PSA unit associated with methanol-to-hydrogen production, how should the adsorbent and catalysts be handled? - HCBBS Forum
48. Tin tetrachloride that can be used to produce pearlescent pigments - HCBBS Forum
49. Notice: The first batch of HaiChuan senior engineers will be assigned to one-on-one mentors; volunteers are requested to reply to obtain a nice phone number - HCBBS Forum
50. Typical process flow for aromatic distillation (three-tank process) - HCBBS Forum
51. Members of Xue Toutu can help download \"Terms in Architecture 2014\" - HCBBS Forum
52. Legend for centrifugal pumps - HCBBS Forum
53. Calculation of pressure drop in conical filters - HCBBS Forum
54. What are the common functions of boat-shaped switches? - HCBBS Forum
55. 『Original by HaiChuan Translation Team』An Overview of the Process Design Industry (Part 1) - HCBBS Forum
56. Dear teachers, do the pressure gauges installed on the refrigeration water pipelines need regular inspection? - HCBBS Forum
57. For rooms containing solid materials with toluene, where human operation is required, which standard should be used to determine the air exchange rate for such rooms? - HCBBS Forum
58. [Mechanical Equipment Technology Edition] Daily Question 201805005: Common Faults of Screw Refrigeration Compressors (8) - HCBBS Forum
59. There are many devices on site; how should they be managed so as to know which device is used in which process stage? ? - HCBBS Forum
60. 【Daily Topic】【Civil Engineering Version 20170102】 - HCBBS Forum
61. Calculation of pipeline static mixers - HCBBS Forum
62. System certification for chemical enterprises - HCBBS Forum
63. Rubber corrosion data - HCBBS Forum
64. Are there parameters for the density of toluene at its saturated vapor pressures at different temperatures? - HCBBS Forum
65. Regarding the speed of gravitational settling - HCBBS Forum
66. CAESAR Ⅱ video teaching materials - HCBBS Forum
67. Can a pipeline pump prevent it from running dry and getting damaged when there is no water or insufficient water in the pipeline ahead of the pump? - HCBBS Forum
68. Steam - HCBBS Forum
69. Diphenylmethane process - HCBBS Forum
70. Minimum thickness and nominal thickness - HCBBS Forum
71. Is it appropriate to change a horizontal heat exchanger to a vertical one? - HCBBS Forum
72. Heat transfer rate, heat transfer residence time? ! - HCBBS Forum
73. 【Daily Topic】【Storage & Transportation Version 20170104】 - HCBBS Forum
74. How to design a liquid seal? - HCBBS Forum
75. Basic Process Knowledge (Multiple Choice) 20180324 - HCBBS Forum
76. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170811 - HCBBS Forum
77. A brief analysis of the optimization of peptide drug synthesis techniques - HCBBS Forum
78. I have a question: in oxidation reactions involving potassium permanganate, how should it be added? - HCBBS Forum
79. Why is PIC marked as PIT in the flow diagrams of chemical process instruments? - HCBBS Forum
80. 【HVAC Version】Daily Question 20180501 - HCBBS Forum
81. Consulting on the design and selection of high and low pressure lubrication stations for LNG projects - HCBBS Forum
82. The disproportionation method yields pentanediol - HCBBS Forum
83. [Mobile Equipment Technology Edition] Daily Question 20171128 Refrigeration Equipment (2) - HCBBS Forum
84. Is carbon dioxide a toxic gas? Does its alarm belong to the category of toxic gas alarms? - HCBBS Forum
85. What is the structure of the automatic dehydrator for flammable liquid storage tanks? How to reduce oil loss and oil and gas volatilization? - HCBBS Forum
86. The vent line at the bottom of the vacuum gas separator tank in the atmospheric and vacuum distillation unit is blocked - HCBBS Forum
87. 【Weekly Topic】【HVAC Version 20170112】 - HCBBS Forum
88. Is it okay for the pipe support to extend outside the bracket? - HCBBS Forum
89. 【Daily Question】 【AC Version for Static Equipment...Question 20】 January 20, 2019 – True/False Multiple Choice Question...Making Continuous Progress - HCBBS Forum
90. Material addition issue - HCBBS Forum
91. How are pressure gauges, transmitters, thermometers, etc. installed in plastic pipes? ? - HCBBS Forum
92. Residual C4 - HCBBS Forum
93. May I ask where the discharge piping of the safety valve is required to be connected according to current standards? - HCBBS Forum
94. Analysis of the reasons for the unexpected decrease in steam flow rate - HCBBS Forum
95. The development level of new materials and the capacity for supply assurance in our country have seen significant improvements - HCBBS Forum
96. What does Class A technical documentation include in engineering construction? - HCBBS Forum
97. Calculation of the net positive suction head available for pump installation - HCBBS Forum
98. Rewards for reporting omissions: First version of the Haichuan technical team roster = Haichuan technicians + technical discussants + one-on-ones - HCBBS Forum
99. How should flammable liquids such as propylene and methyl tert-butyl ether be stored safely? - HCBBS Forum
100. [Weekly Image] Catalytic Coking Reformate Blending Version (Second image of April 2017) - HCBBS Forum