One Question per Day on Refining Knowledge (Technology) 101211
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We welcome everyone to actively participate in the learning and discussion of professional basic knowledge in the refining technology exchange area! In accordance with the forum’s uniform requirements, the maximum score for this event is 5 Wealth points, and it is prohibited to assign charm scores. Friendships and duplicate ratings are also declined. Please be cautious when posting; edits will not be valid! Those who have different opinions on the provided answer keys can post discussions the next day, and those who provide solutions or their own opinions regarding the daily question’s answer key will receive appropriate rewards! The focus is on participation, and there are prizes for participating! ( )1. When the flash point and initial boiling point of the oil product are low, the steam supply to the stripping tower can be increased appropriately. ( )2. The operation of a distillation tower requires an understanding of material balance and heat balance. ( )3. During the cold cycle of the unit, the circulation rate is determined by the flow rate of the crude oil pump. ( )4. Shell-and-tube heat exchangers include floating-head type, U-tube type, and fixed-sheet plate type. ( )5. Cold oil generally flows through the shell side of the heat exchanger. Answer key: 1. True 2. True 3. False 4. True 5. True
Reply 1# chengkang 1. Right 2. Right 3. Wrong 4. Wrong 5. Right
Reply to 1# chengkang: The operation of a distillation column requires an understanding of material balance, vapor-liquid equilibrium, and heat balance. Overprint: 2, Error
1 wrong 2 correct 3 wrong 4 correct 5 correct
(Incorrect) 1. When the flash point and initial boiling point of the oil product are low, the steam supply to the stripping tower can be increased appropriately. (Correct) 2. The operation of a distillation tower requires an understanding of material balance and heat balance. (Incorrect) 3. During the cold cycle of the unit, the circulation rate is determined by the flow rate of the crude oil pump. (Yes) 4. Shell-and-tube heat exchangers include floating-head type, U-tube type, and fixed-plate type. (Yes) 5. Cold oil generally flows through the shell side of the heat exchanger.
(√) 1. When the flash point and initial boiling point of the oil product are low, the steam supply to the stripping tower can be increased appropriately. ; u. d2 M* O ^4 f) U3 M (√)2 – In the operation of a distillation tower, it is necessary to understand material balance and heat balance. (×) 3. During the cold cycle of the unit, the circulation volume is determined by the flow rate of the crude oil pump. 4 K( D" a" C& v' J （√）4. Shell-and-tube heat exchangers come in floating-head type, U-tube type, and fixed-plate type. 1 w- v2 F9 A- F (×)5; cold oil generally flows through the shell side of the heat exchanger.