Apparatus and system for disposing of combustible and waste material

Claim 2

In apparatus for disposing of combustible material the improvement of a mill for reducing the size of the material, conduit means to feed material into said mill, an air circulating system connected across said mill and conduit means to move reduced material and dust and fines away from said mill, separator means connected into said circulating system to remove the fines and dust from the reduced material, a drying heat producing system connected into said circulating system between said separator and mill for effecting the drying of the material in said air circulating system, said heat system including a dust and fines separator, a furnace, fuel supply means to initiate furnace operation, means connected between said dust and fines separator and said furnace to supply dust and fines into said furnace for combustion to continue furnace operation, the heat of said furnace being delivered to said mill, and means in said heat producing system to supply ambient air to regulate the temperature of the heat of said furnace.

Claim 3

The apparatus of claim 1 wherein first mentioned separator includes means for discharging reduced material from the air circulating system and for removing the fines and dust from the reduced material.

Claim 4

The apparatus of claim 2 wherein said means for removing the fines and dust is constituted by a skimming vane in said first mentioned separator.

Claim 5

The apparatus of claim 2 wherein said means for removing the fines and dust is constituted by said reduced material discharge means having a housing with a rotary valve operable in said housing, and an adjustable wall enclosing siad rotary valve with a leak passage for ambient air flow into said first mentioned separator.

Claim 6

In apparatus for disposing of combustible material and for producing a product substantially free of dust and fines, the improvement which consists of: a first circulating system having a material inlet passage connected into a material reducing mill and leading to a cyclone separator to deliver reduced material, fines and dust to said cyclone separator, a primary blower having a suction connection to said cyclone separator and a delivery connection to said mill and inlet passage, said primary blower causing the movement of reduced material, fines and dust into said cyclone separator, valve means connected to said cyclone separator to discharge the reduced material as the product, and means at said cyclone separator to remove the fines and dust from the reduced material discharged by said valve means; a second circulating system having an inlet connection adjacent said blower delivery connection and an outlet adjacent said reducing mill, said second system including a secondary blower, a bag separator connected on one side into the suction of said secondary blower and connected on the other side to said inlet connection for said second system, said bag separator having an outlet for the fines and dust, a furnace having a combustion chamber and a fuel burner connected to said chamber, means to conduct the fines and dust from said bag separator outlet into said fuel burner, means in by-pass of said bag separator to supply fines and dust into said combustion chamber for burning as a fuel, and means connecting said combustion chamber to said first circulation sYstem adjacent said mill to supply heat for drying the combustible material introduced at said inlet passage.

Claim 7

In apparatus for disposing of combustible material and for producing a product substantially free of dust and fines, the improvement which consists of: a first circulating system having a material inlet passage connected into a material reducing mill and leading to a cyclone separator to deliver reduced material, fines and dust to said cyclone separator, a primary blower having a suction connection to said cyclone separator and a delivery connection to said mill and inlet passage, said primary blower causing the movement of reduced material, fines and dust into said cyclone separator, valve means connected to said cyclone separator to discharge the reduced material as the product, and means at said cyclone separator to remove the fines and dust from the reduced material discharged by said valve means; a second circulating system having an inlet connection adjacent said blower delivery connection and an outlet adjacent said reducing mill, said second system including a secondary blower, a bag separator connected on one side into the suction of said secondary blower and connected on the other side to said inlet connection for said second system, said bag separator having an outlet for the fines and dust, a furnace having a combustion chamber and a fuel burner connected to said chamber, means to conduct the fines and dust from said bag separator outlet into said fuel burner, means in by-pass of said bag separator to supply fines and dust into said combustion chamber for burning as a fuel, and means connecting said combustion chamber to said first circulation sYstem adjacent said mill to supply heat for drying the combustible material introduced at said inlet passage.

Claim 8

In apparatus for disposing of combustible material the improvement which consists in: a first circulating system having a blower to propel air as a carrier medium in said first system, a material reducing mill in said first system, means to feed material into said first system adjacent said mill for reduction in said mill and flow with the air in said first system, a cyclone separator in said first system having an outlet connected into the suction side of said blower and an inlet connected to receive reduced material from said mill along with fines and dust in said first system, and said cyclone separator having a discharge for reduced material that is substantially free of fines and dust; and a second circulating system having an inlet connection adjacent the delivery side of said blower, separator means for fines and dust connected to said second system inlet, a second blower hving a suction connection at said separator means and an outlet to atmosphere, a furnace connected into said second system beyond said separator means in the flow direction to receive the fines and dust drawn into said second system by said second blower and dispose of them by combustion, and conduit means connected to said furnace and to said first system adjacent said mill to deliver furnace heat into said first system for material drying purposes.

Claim 9

In apparatus for disposing of combustible material the improvement which consists in: a first circulating system having a blower to propel air as a carrier medium in said first system, a material reducing mill in said first system, means to feed material into said first system adjacent said mill for reduction in said mill and flow with the air in said first system, a cyclone separator in said first system having an outlet connected into the suction side of said blower and an inlet connected to receive reduced material from said mill along with fines and dust in said first system, and said cyclone separator having a discharge for reduced material that is substantially free of fines and dust; and a second circulating system having an inlet connection adjacent the delivery side of said blower, separator means for fines and dust connected to said second system inlet, a second blower hving a suction connection at said separator means and an outlet to atmosphere, a furnace connected into said second system beyond said separator means in the flow direction to receive the fines and dust drawn into said second system by said second blower and dispose of them by combustion, and conduit means connected to said furnace and to said first system adjacent said mill to deliver furnace heat into said first system for material drying purposes.

Claim 10

The apparatus of claim 6 wherein means is connected into said furnace to admit ambient air to regulate the temperature of the furnace delivery.

Claim 11

The apparatus of claim 6 wherein said conduit means to deliver heat into said first system includes a cyclone chamber having its inlet connected to said furnace and its outlet connected to said first system, and a conduit connection between said second blower outlet and said cyclone chamber to supply air for regulating the temperature of the air delivery into said first system.

Claim 12

The apparatus of claim 6 wherein said cyclone separator includes valve means in said discharge to release the reduced material, and other means to effect the separation of the fines and dust from the reduced material released by said valve means.

Claim 13

The apparatus of claim 9 wherein said other means includes a casing for said valve means, and a movable component for said casing to produce a leakage passage through said valve means fro the ingress of ambient air.