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1. 发明授权

US5330624A Fractionator-reboiler sludge removal system and method 失效
标题翻译：分馏塔 - 再沸器污泥清除系统及方法
公开(公告)号：US5330624A
公开(公告)日：1994-07-19
申请号：US815305
申请日：1991-12-27
申请人： John W. Ebert
发明人： John W. Ebert
IPC分类号： B01D3/32 , B08B9/093 , B01D3/26 , B08B3/02
CPC分类号： F28D7/1646 , B01D3/322 , B08B9/0933 , F28G9/00 , Y10S203/90 , Y10S585/95
摘要： Sludge is removed from a reboiler while the reboiler is supplying heat to a fractionator, by using sludge removal apparatus added to the reboiler. The reboiler to which the sludge removal apparatus is added comprises an evaporative type shell and tube heat exchanger in which sludge can accumulate as a residue from evaporated liquid, and further in which unevaporated liquid is withdrawn from the reboiler as a product. Sludge removal is accomplished by drawing a relatively small liquid flush stream from the reboiler liquid product stream, pressuring the flush stream through a pump, and then recycling the flush stream to a sparger appropriately disposed in the heat exchanger shell. Sludge dislodged by the sparger is removed along with the reboiler liquid product in a flow path along the bottom surface of the shell through cut-outs provided in the lower edge of the weir and baffle plates in the reboiler which without the cut-outs would block the flow path for the sludge.
摘要翻译：当再沸器向分馏器供热时，通过使用添加到再沸器中的污泥去除装置，从再沸器中除去污泥。添加有污泥去除装置的再沸器包括蒸发型管壳式热交换器，其中污泥可以从蒸发的液体中作为残余物积聚，并且其中未蒸发的液体作为产物从再沸器中排出。通过从再沸器液体产物流中抽出相对较小的液体冲洗流，将冲洗流加压通过泵，然后将冲洗流再循环到适当地设置在热交换器壳体中的分布器来完成污泥去除。通过在再沸器中的堰和挡板的下边缘处设置的切口，沿着壳体底表面的流动路径中，再沸器液体产物与再沸器液体产物一起被移除，而没有切口将阻塞污泥的流路。

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