Gas-treating apparatus

Claim 2

A gas-treating apparatus according to claim 2 wherein said baffle means further includes a central baffle member which effectively blocks between about 15 to 50 percent of said cross-sectional area of said casing and said rim member effectively blocks between about 35 to 75 percent of said casing area forming an elongated slot opening between the rim member and central member of said baffle.

Claim 3

A gas-treating apparatus according to claim 3 wherein said slot opening is located in the inner 67 percent of the outer peripheral 75 percent of said casing area.

Claim 4

A gas-treating apparatus according to claim 3 wherein said casing is a cylindrical casing and said elongated slot opening is a substantially continuous annular slot formed between a rim member and a concentrically disposed hub member of said baffle.

Claim 5

A gas-treating apparatus according to claim 5 wherein the center diameter of said annular slot is between about 0.5 and 0.8 of the inside diameter of said cylindrical casing.

Claim 6

A gas-treating apparatus according to claim 6 wherein said center diameter is between 0.65 and 0.75 of said inside diameter of said casing.

Claim 7

A gas-treating apparatus according to claim 1 wherein said baffle means defines a lineal slot having an area of between about 15 to 50 percent of the lateral cross-sectional area of said casing.

Claim 8

A gas-treating apparatus according to claim 8 wherein the effective area of said slot is between about 20 to 35 percent of the lateral cross-sectional area of said casing.

Claim 9

A gas-treating apparatus according to claim 1 having a means for injecting a plurality of said gas stream curtains, and said baffle has an equivalent number of said slot openings each of which is aligned with a corresponding gas stream curtain.

Claim 10

A gas-treating apparatus for homogeneously mixing in a short span of time and space two gas streams in volumetric proportions of above 8:1, said apparatus comprising: a casing, means for conducting a first gas stream through said casing, means for injecting at least one gas stream curtain into the interior of said first gas stream, said gas stream curtain having a lineal lateral cross section, and a mixing baffle means having at least one lineal slot opening which is symmetric with said cross section, said baffle means has a rim member and a hub member, said rim member has a substantially uniform width which extends laterally inward from the inner surface of said casing and substantially blocks a peripheral area of a size about 35 to 75 percent of the cross-sectional of said casing, said hub member is centrally located with respect to said rim member and blocks an area of a size of about 10 to 50 percent of the cross-sectional area of said casing.

Claim 11

A gas-treating apparatus according to claim 11 wherein said casing is cylindrical and said elongated slot opening is a substantially continuous annular opening located in the inner 67 percent of the outer annular 75 percent of the cross-sectional area of said casing.

Claim 12

A fume incinerator comprising: a casing, means for conducting a stream of fumes through said casing, a burner located interiorly of said casing and said fume stream for producing at least one curtain of Hot gases having lineal lateral cross section, said burner including a fuel injector and a flame stabilizer bar confronting said injector, mixing baffle means in said casing downstream from said burner, said baffle means having at least one opening which is symmetric with the outside surface of said curtain, and a fume combustion chamber downstream from said baffle means.

Claim 13

A fume incinerator according to claim 13 wherein said baffle has a rim member which extends inwardly from the inner surface of said casing and substantially blocks a peripheral area of a size of about 35 to 75 percent of the lateral cross-sectional area of said casing.

Claim 14

A fume incinerator according to claim 14 wherein said baffle means also has a plurality of narrow slots extending outwardly from its inner edge towards its outer edge.

Claim 15

A fume incinerator according to claim 13 wherein the downstream side of said baffle means is protected by an insulative refractory material.

Claim 16

A fume incinerator according to claim 14 wherein the size of the slot area in said baffle means is between about 15 to 50 percent of the lateral cross-sectional area of said casing.

Claim 17

A fume incinerator according to claim 14 wherein said casing is a cylindrical casing and said elongated slot is a generally annularly shaped slot formed between a rim member and a concentrically disposed hub member.

Claim 18

A fume incinerator according to claim 18 wherein the size of said annular slot is between about 15 and 35 percent of the lateral cross-sectional area of said casing and said annular slot is located in the inner 67 percent of the outer peripheral 75 percent of said cross-sectional area.

Claim 19

A fume incinerator according to claim 14 wherein said burner is a ring-type burner for producing a hollow columnar curtain of gases.

Claim 20

A fume incinerator according to claim 20 wherein said ring-type burner has segments arranged to form substantially an equilateral polygon in a plane perpendicular to the mass flow of fumes, said segments each being centrally fed by a radially extending fuel line connected to a central fuel supply hub.

Claim 21

A fume incinerator according to claim 14 wherein said baffle is located downstream from said burner a distance equivalent to less than one-third the mean lateral cross-sectional dimension of said casing.