JPS5520350A - Smokeless combustor - Google Patents

Abstract

PURPOSE: To discharge the generated black smoke via an opening of an double- wall case together with combustion air so as to effect perfect combustion by causing air to flow from the space between the walls of the case to the outside of the case so as to decompress the region inside the case and near the opening.

CONSTITUTION: Air feed pipes 9 and 10 for feeding air are connected to the outside periphery of a double-wall case 1. The pipe 9 is communicated into the space 1a between the walls of the case 1, so that air fed from the pipe 9 flows out of the case 1 via an opening 5, decompressing the region inside the case 1 and near an opening 4 so as to attract the combustion heat generated in a combustion unit 7 toward the opening 4. If black smoke should be generated during combustion, the black smoke flows toward the opening 4 together with the combustion heat due to presence of decompressed region near the opening 4, and is burnt perfectly. On the other hand, the pipe 10 is situated inside the combustion unit 7 and forcibly feeds air into the unit 7 for perfect combustion.

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