Apparatus and methods for large particle ash separation from flue gas using screens having semi-elliptical cylinder surfaces
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United States of America Patent
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May 16, 2017
Grant Date -
Mar 26, 2015
app pub date -
Dec 3, 2014
filing date -
Oct 2, 2012
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Abstract
Apparatus for separating ash particles from a flue gas. The apparatus includes a screen that has a plurality of semi-elliptical cylinder surfaces. The semi-elliptical cylinder surfaces having holes through which said flue gas flows and through which the ash particles will not pass. The screen has a single layer for performing the separation in a manner such that the ash particles fall away from the screen and collect outside of the screen. A method of reducing velocity of a flue gas passing through screening apparatus for separating flue gas from ash particles. The method includes replacing a first screen of the screening apparatus with a second screen that has a plurality of semi-elliptical cylinder surfaces.
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