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2019-08-21View Original

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Reply #22019-08-21

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Reply #32019-08-21

"大家来分析一下工艺过程"

Reply #42019-08-21

Reply #52019-08-21

"由于各种原因导致压力上升，会导致物料沸点升高，可能造成超温而引发事故。减压蒸馏塔设置塔釜真空度低限报警。因真空度降低致使温度升高而造成物料有爆炸危险的，设置塔釜真空度低低联锁切断加热物料。我认为这些结论都是错误的，不知道大家的看法."

Reply #62019-08-21

Reply #72019-08-21

"对于设计成型的装置，压力升高只能造成塔不能拔出更多轻组分，塔底轻组分过多，常压沸点降低。"

Reply #82019-08-22

Reply #92019-08-22

"再沸器热负荷决定塔釜温度"

Reply #102019-08-22

Reply #112019-08-22

"在一定范围内，满足工艺采出，需要人为控制，提高热媒体量，提高塔底温度，底温的提高造成传热温差降低，压力升高汽化潜热增大，设备的传热面积不够。从动态角度看，塔底温度不是无限上升的。"

Reply #122020-02-15

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