Sludge burner

Claim 2

An incinerator for the burning of an aqueous sludge therein comprising a housing defining a substantially airtight combustion chamber, a loading port for solids and an exhaust port for gas in said housing, passageways traversing the housing wall having outlet ports that exhaust into said chamber, and means for supplying a quantity of sludge to said passageways whereby the sludge will exhaust from said outlet ports and flow down the chamber wall after it is discharged from said ports to present a film of flowing sludge to the hot combustion gases.

Claim 3

An incinerator for the burning of a sludge therein comprising a housing defining a substantially airtight combustion chamber, a layer of insulating material coating the inner surface of said housing, a plurality of downwardly inclined passageways embedded in said insulating material and having outlet ports that exhaust into said combustion chamber, and manifold means connected to said passageways to supply a combustible sludge thereto whereby said sludge will be preheated as it flows through said passageways and will exhaust from the ports and flow down the chamber wall.

Claim 4

An incinerator for the burning of a sludge therein comprising a housing defining a substantially airtight combustion chamber, a layer of insulating material coating the inner surface of said housing, a plurality of downwardly inclined passageways embedded in said insulating material and having outlet ports that exhaust into said combustion chamber, and manifold means connected to said passageways to supply a combustible sludge thereto whereby said sludge will be preheated as it flows through said passageways and will exhaust from the ports and flow down the chamber wall.

Claim 5

An incinerator for the burning of sludge therein as defined in claim 2 wherein the downwardly inclined passageways embedded in walls of the combustion chamber are on opposite sides of the incinerator housing.

Claim 6

An incinerator for the burning of sludge therein as defined in claim 2 wherein the exhaust ports at the sides of the incinerator chamber are faired to wall of the incinerator chamber to provide a smooth transition zone between the passageways and the combustion chamber.

Claim 7

An incinerator for the burning of sludge therein as defined in claim 2 wherein the inclined passageways are substantially concentric with the walls of the combustion chamber.

Claim 8

An incinerator for the burning of sludge therein as defined in claim 2 wherein the slope of the incinerator chamber lying below the outlet ports for the several passageways decreases progressively to thereby increase the resistance to sludge flowing downward from said outlet ports.

Claim 9

An incinerator for the burning of sludge therein comprising a housing defining a substantially airtight combustion chamber, a loading port for the loading of solid wastes into the incinerator, door means adapted to close the loading port, an exhaust port in the housing for the exhaust of gaseous products of combustion therefrom, a series of outlet ports on opposite sides of the chamber wall, passageways extending downwardly to said ports, a manifold connected to said passageways on opposite sides of the chamber walls, a source of liquified sludge, means for supplying the liquified sludge to said manifold, a temperature responsive means in the combustion chamber and means for regulating the flow of sludge into the incinerator chamber in response to the temperature in the incineration chamber as sensed by the temperature responsive means.

Claim 10

An incinerator for the burning of sludge therein comprising a housing defining a substantially airtight combustion chamber, a loading port for the loading of solid wastes into the incinerator, door means adapted to close the loading port, an exhaust port in the housing for the exhaust of gaseous products of combustion therefrom, a series of outlet ports on opposite sides of the chamber wall, passageways extending downwardly to said ports, a manifold connected to said passageways on opposite sides of the chamber walls, a source of liquified sludge, means for supplying the liquified sludge to said manifold, a temperature responsive means in the combustion chamber and means for regulating the flow of sludge into the incinerator chamber in response to the temperature in the incineration chamber as sensed by the temperature responsive means.

Claim 11

An incinerator for the burning of sludge therein as defined in claim 7 including a layer of insulating material covering the passageways on opposite sides of the chamber wall adapted to protect said passageways from the corrosion and erosion of combustion in said chamber while it simultaneously absorbs heat therefrom.