General Electric Environmental Services, Inc.

Carlos Estela

Richard L Miller

An internal flue gas bypass system is provided in a baghouse filter system having a plurality of filter compartments each having a gas inlet for receiving particulate-laden gas, a gas outlet for delivering filtered gas, fabric filter means between the gas inlet and the gas outlet, means for selectively blocking the gas inlet of each compartment, a gas inlet manifold connected to a source of particulate-laden gas and to the gas inlet of a plurality of filter compartments, and a gas outlet manifold connected to the gas outlet of a plurality of filter compartments and to a baghouse clean gas outlet. At least a portion of the gas outlet manifold has a common wall with the gas inlet manifold so that the gas outlet manifold is mounted internally in the baghouse adjacent the gas inlet manifold, and at least one poppet damper means is positioned in the common wall thereby providing an internal bypass means for passing particulate-laden gas from the gas inlet manifold to the gas outlet manifold. In one embodiment, the gas inlet of each compartment is blocked, and the poppet damper means in the common wall is opened so that heated, particulate-laden gas passes through the gas inlet manifold to the gas outlet manifold, thereby providing a method of heating the gas inlet manifold to a desired temperature prior to passing the heated, particulate-laden gas into a plurality of filter compartments.

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Myerstown, PA, United States of America

Carlos Estela