公开(公告)号：US20080302520A1

公开(公告)日：2008-12-11

申请号：US12134809

申请日：2008-06-06

申请人： Rabindra Kumar Bhattacharyya ,  Neal Richard Dando ,  Patrick R. Atkins ,  Martin Gaudreault ,  Jeffrey M. Shoup ,  Eric F.M. Winter ,  Donald P. Ziegler

发明人： Rabindra Kumar Bhattacharyya ,  Neal Richard Dando ,  Patrick R. Atkins ,  Martin Gaudreault ,  Jeffrey M. Shoup ,  Eric F.M. Winter ,  Donald P. Ziegler

IPC分类号： F28F1/10

CPC分类号： F28D7/0041 ,  C25C3/22 ,  F28D7/024 ,  F28F1/16 ,  F28F1/18 ,  F28F19/04

摘要： A heat exchanger suitable for long term use in the unfiltered hot exhaust gas of an aluminum smelter is disclosed. In one embodiment, the heat exchanger comprises fluid carrying tubes connected together with web members to form a cylindrical shell. A header located at each end of the cylindrical shell is provided for feeding fluid to and from the tubes of the heat exchanger. Shrouds can be placed over the headers to affect hot gas turbulence and help minimize scaling. The surfaces of the cylindrical shell, when in un-scrubbed exhaust gas of an aluminum smelter, will be in contact with particles and/or dust and possibly caustic fumes and, therefore, may be treated with a relevant slip coating selected, for example, from the Teflon family.

摘要翻译： 公开了一种适用于铝冶炼厂未过滤的热废气中长期使用的热交换器。 在一个实施例中，热交换器包括与腹板构件连接在一起的流体输送管，以形成圆柱形壳体。 设置在圆柱形壳体的每个端部处的头部用于将流体供给到热交换器的管道和从该热交换器的管子输送流体。 护罩可以放置在头部上以影响热气体湍流，并帮助最小化结垢。 当铝冶炼厂的未经洗涤的排气中的圆柱形壳体的表面将与颗粒和/或灰尘以及可能的苛性烟雾接触时，因此可以用选择的相关滑动涂料进行处理，例如， 来自特氟隆家族。