Specification of George Hart : consuming smoke in furnaces.

  • Hart, George
Date:
1868
Catalogue details

Licence: Public Domain Mark

Credit: Specification of George Hart : consuming smoke in furnaces. Source: Wellcome Collection.

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    Consuming Smoke in Furnaces. (This Invention received Provisional Protection only.) PROVISIONAL SPECIFICATION left by George Hart at the Office of the Commissioners of Patents, with his Petition, on the 27th February 1868. I, George Hart, of Wakefield, in the County of York, Engineer, 5 do hereby declare the nature of my said Invention for “An Improved Mode or Method op and Apparatus for Effecting the Consumption or Pre¬ vention of Smoke in Steam Boiler and other like Furnaces,” to be as follows, that is to say :— This Invention relates to a mode of effecting the consumption or pre- 10 vention of smoke in steam boiler and other like furnaces, and consists of an arrangement whereby air at a highly elevated temperature is allowed to mix with the unconsumed smoke and gases just as they are passing or immediately after they have passed over the fire bridge. The air may be heated under several different arrangements by its passing 15 through pipes in the flues, but the object of this Invention is to raise air to such an elevated temperature before it mixes with the gases for supporting combustion that it shall not lower their temperature, but ignite them immediately on mixing therewith. Further these hot currents of air if not required for combustion assist in generating steam, the heat 20 so collected having to traverse a second time through the flues of the boiler, thereby economising fuel as well as supporting combustion.
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