Incinerator

Claim 2

An incinerator including a primary combustion chamber and an afterburner for burning the exhaust gases emitted from said primary combustion chamber, said afterburner including inlet means connected to said primary combustion chamber and an outlet, gas supply means for delivering an oxygen containing gas to said afterbUrner and including first gas delivery means adjacent said inlet for directing said oxygen containing gas tangentially around said inlet for mixing with said exhaust gases, and second gas delivery means between said first delivery means and said outlet for delivering combustion oxygen radially into said afterburner.

Claim 3

The incinerator set forth in claim 1 and including venturi means formed adjacent said inlet to create a positive draft in said primary combustion chamber.

Claim 4

The incinerator set forth in claim 1 and including a burner adjacent said inlet.

Claim 5

The incinerator set forth in claim 1 wherein said afterburner includes a refractory lining, said first and second gas delivery means each comprises a plurality of passages formed through said refractory lining, said first plurality of passages having their inner ends directed tangentially to the inner surface of said lining, and said second plurality of passages having their inner ends directed radially relative to said afterburner.

Claim 6

The incinerator set forth in claim 4 and including a metallic shell surrounding said lining and spaced therefrom to form a plenum chamber therearound, said first and second passages being connected to said plenum chamber, and coupling means coupling said plenum chamber to said gas supply means.

Claim 7

The incinerator set forth in claim 5 wherein said lining has a venturi adjacent said inlet and formed by a first frusto conical portion and a second adjacent reduced diameter portion to create a positive draft in said primary combustion chamber.

Claim 8

The incinerator set forth in claim 6 and including a third plurality of passage means formed through said refractory lining at said reduced diameter portion and being inclined from their outer ends toward said outlet.

Claim 9

The incinerator set forth in claim 7 and including a burner adjacent said inlet.

Claim 10

The incinerator set forth in claim 8 wherein said second plurality of passages comprises two spaced apart sets of passages, each set of passages comprising a plurality of passages spaced around the periphery of said lining, and extending generally radially inwardly relative to said afterburner.

Claim 11

An incinerator including a primary combustion chamber and an afterburner for burning the exhaust gases emitted from said primary combustion chamber, said afterburner including inlet means connected to said primary combustion chamber and an outlet, gas supply means for delivering an oxygen containing gas to said afterburner and including first gas delivery means adjacent said inlet for directing said oxygen containing gas tangentially around said inlet for mixing with said exhaust gases, second gas delivery means between said first delivery means and said outlet for providing combustion oxygen, said afterburner including a refractory lining, said first and second gas delivery means each comprising a plurality of passages formed through said refractory lining, said first plurality of passages having their inner ends directed tangentially to the inner surface of said lining, a metallic shell surrounding said lining and spaced therefrom to form a plenum chamber therearound, said first and second passages being connected to said plenum chamber, coupling means coupling said plenum chamber to said gas supply means, said lining having a venturi adjacent said inlet and formed by a first frusto conical portion and a second reduced diameter portion adjacent thereto to create a positive draft in said primary combustion chamber, a third plurality of passage means formed through said refractory lining at said reduced diameter portion and being inclined from their outer ends toward said outlet, a burner adjacent said inlet, said second plurality of passages comprising two spaced apart sets of passages, each set of passages comprising a plurality of passages spaced around the periphery of said lining, and support means for said primary combustion chamber and said afterburner, said support means including a hollow portion coupled between said gas supPly means and said plenum chamber.

Claim 12

An incinerator including a primary combustion chamber and an afterburner for burning the exhaust gases emitted from said primary combustion chamber, said afterburner including inlet means connected to said primary combustion chamber and an outlet, gas supply means for delivering an oxygen containing gas to said afterburner and including first gas delivery means adjacent said inlet for directing said oxygen containing gas tangentially around said inlet for mixing with said exhaust gases, second gas delivery means between said first delivery means and said outlet for providing combustion oxygen, said afterburner including a refractory lining, said first and second gas delivery means each comprising a plurality of passages formed through said refractory lining, said first plurality of passages having their inner ends directed tangentially to the inner surface of said lining, a metallic shell surrounding said lining and spaced therefrom to form a plenum chamber therearound, said first and second passages being connected to said plenum chamber, coupling means coupling said plenum chamber to said gas supply means, said lining having a venturi adjacent said inlet and formed by a first frusto conical portion and a second reduced diameter portion adjacent thereto to create a positive draft in said primary combustion chamber, a third plurality of passage means formed through said refractory lining at said reduced diameter portion and being inclined from their outer ends toward said outlet, a burner adjacent said inlet, said second plurality of passages comprising two spaced apart sets of passages, each set of passages comprising a plurality of passages spaced around the periphery of said lining, and support means for said primary combustion chamber and said afterburner, said support means including a hollow portion coupled between said gas supPly means and said plenum chamber.

Claim 13

The incinerator set forth in claim 1 and including a burner adjacent said inlet, fuel supply means for said inlet, fourth gas delivery means coupled to said gas supply means for delivering said oxygen containing gas to said primary combustion chamber, temperature measuring means in said afterburner and means for controlling said fourth gas delivery means and said fuel supply means in accordance with the temperature in said afterburner.

Claim 14

An incinerator including a primary combustion chamber and an afterburner for burning the exhaust gases emitting from said primary combustion chamber, said afterburner including an inlet connected to said primary combustion chamber and an outlet, said afterburner also including a refractory lining and a metallic shell surrounding said refractory lining and spaced therefrom to form a plenum chamber therearound, said lining having a venturi adjacent said inlet and formed by a first portion having a frusto conical inside surface and a second portion formed by a reduced diameter inside surface, a first plurality of passages formed through said lining adjacent said inlet and a second plurality of passages formed in said lining between said venturi and said outlet, said passages connecting said plenum chamber to the interior of said refractory lining, said first plurality of passages extending generally tangentially relative to said afterburner and said second plurality of passages extending generally radially relative to said afterburner.

Claim 15

An incinerator including a primary combustion chamber and an afterburner for burning the exhaust gases emitting from said primary combustion chamber, said afterburner including an inlet connected to said primary combustion chamber and an outlet, said afterburner also including a refractory lining and a metallic shell surrounding said refractory lining and spaced therefrom to form a plenum chamber therearound, said lining having a venturi adjacent said inlet and formed by a first portion having a frusto conical inside surface and a second portion formed by a reduced diameter inside surface, a first plurality of passages formed through said lining adjacent said inlet and a second plurality of passages formed in said lining between said venturi and said outlet, said passages connecting said plenum chamber to the interior of said refractory lining, said first plurality of passages extending generally tangentially relative to said afterburner and said second plurality of passages extending generally radially relative to said afterburner.

Claim 16

The incinerator set forth in claim 12 including a third plurality of passages extending between said plenum chamber and the reduced diameter portion of said lining, said third plurality of passages being inclined toward said outlet.

Claim 17

An incinerator having a primary combustion chamber, gas inlet means for introducing an oxygen containing gas into said primary combustion chamber, and gas supply means coupled to said gas inlet means, a plurality of support members disposed below said primary combustion chamber, a plurality of support legs engaging said support members and said combustion chamber for mounting said primary combustion chamber on said support members, at least one of support members and at least one of said legs being hollow and coupling said gas supply means to said gas inlet means.

Claim 18

An incinerator having a primary combustion chamber, gas inlet means for introducing an oxygen containing gas into said primary combustion chamber, and gas supply means coupled to said gas inlet means, a plurality of support members disposed below said primary combustion chamber, a plurality of support legs engaging said support members and said combustion chamber for mounting said primary combustion chamber on said support members, at least one of support members and at least one of said legs being hollow and coupling said gas supply means to said gas inlet means.

Claim 19

The incinerator set forth in claim 14 and including an afterburner mounted on said primary combustion chamber and including gas inlet means coupled to said hollow support members.