Apparatus for heat transfer from dust laden gases to fluids

Details Apparatus for heat transfer from dust laden gases to fluids Apparatus for heat transfer from dust laden gases to fluids

1996-08-16

1998-10-06

Flanigan, Allen J.

Heat exchange

With means flexing, jarring or vibrating heat exchange surface

1651091, F28G 700, F28F 1312

Patent

active

058163174

ABSTRACT:
The present invention relates to an apparatus for heat transfer from hot particulate laden gas to a coolant fluid within a heat transfer tube. The apparatus is comprised of layers of vertically aligned strips which are offset at an angle to adjacent layers and form channels which extend through the layers. Heat transfer tubes are located in the channels formed by the vertically aligned strips. The hot particulate laden gas introduced into the apparatus is divided into a number of streams moving in two different directions by the layers of vertically aligned strips. The streams of gas cross each other spatially and thus generate vortices. The vortices force the particles away from the heat transfer tube in the center of the channel and to precipitate on the vertically aligned strips where they fall due to gravitational forces or are removed by a shaking apparatus. Heat is then drawn from the resulting substantially particulate free gas.

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J. K. Kwasniak, "Application of the `Multivir` Method to Separation of Droplets and Solid Particles from Gases", Institute of Chemical Engineering, Technical University of Lodz, ul. Zwirki 36, 90-924 Lodz (Poland), pp. 211-215.

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