The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a combustion chamber is used to directly gasify or liquefy biomass. In a preferred embodiment, the biomass is move
The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a combustion chamber is used to directly gasify or liquefy biomass. In a preferred embodiment, the biomass is moved through a reactor tube in which all the gasification and/or liquefaction takes place. Preferably, char exits the biomass reactor tube and enters the combustion chamber where the char serves as fuel for combustion. The combustion chamber partially surrounds the reactor tube and is in direct thermal contact with the reactor tube such that heat from the combustion chamber passes through the reactor wall and directly heats the biomass within the reactor tube.
대표청구항▼
1. A process for pyrolysis of feedstock comprising a substance selected from the group consisting of biomass wood chips, newspaper, mixed waste paper, peat, energy crops, agricultural residues, coal, tire chips, plastics, and RDF, said process comprising the following steps:supplying the feedstock i
1. A process for pyrolysis of feedstock comprising a substance selected from the group consisting of biomass wood chips, newspaper, mixed waste paper, peat, energy crops, agricultural residues, coal, tire chips, plastics, and RDF, said process comprising the following steps:supplying the feedstock into an inner hopper;introducing the feedstock into, and moving said feedstock through a reactor tube, the feedstock being moved through the reactor tube by a rotating auger;heating the feedstock within said reactor tube to a sufficient temperature such that pyrolysis of the feedstock occurs to produce a residual carbon feedstock;generating heat within a combustion chamber, wherein the combustion chamber is in direct thermal contact with the reactor tube such that heat generated within the combustion chamber is transferred to the feedstock in the reactor tube through the wall of the reactor tube to provide the heat for pyrolysis; andcollecting the residual carbonized feedstock exiting the reactor tube in a pressure vessel;wherein the feedstock is introduced into the reactor tube from the inner hopper, said reactor tube comprising an exit orifice, the residual carbonized feedstock exiting the reactor tube via the exit orifice and entering the pressure vessel; andwherein the pressure generated in the pressure vessel forces the flow of gasses of pyrolysis upward through the reactor tube and through the incoming feedstock in the inner hopper, such that said feedstock in the inner hopper acts as a filter and beat generated in the combustion chamber is transferred to the incoming feedstock within the hopper. 2. The process for pyrolysis of feedstock in claim 1, further comprising the step of:injecting a gas into the pressure vessel, the gas being selected from the group coasting of CO 2 , steam, natural gas, oxygen, and air.wherein the gas injected into the pressure vessel enhances the conversion of the residual carbonized feedstock exiting the reactor tube via the exit orifice to gasses and/or liquids; andwherein the flow of the gas injected into the pressure vessel is controlled in order to adjust the conversion of the residual carbonized feedstock into the gasses and/or liquids. 3. The process for pyrolysis of feedstock in claim 1, further comprising the step of:introducing feedstock into, and moving said feedstock through, at least one additional reactor tube; andheating the feedstock within said at least one additional reactor tube to a sufficient temperature such that pyrolysis occurs to produce a residual carbonized feedstock;wherein the feedstock is introduced into the at least one additional reactor tube from the inner hopper. 4. A process for pyrolysis of feedstock comprising a substance selected from the group consisting of biomass wood chips, newspaper, mixed waste paper, peat, energy crops, agricultural residues, coal, tire chips, plastics, and RDF, the process comprising the following steps:supplying the feedstock into an inner hopper;introducing the feedstock into, and moving said feedstock through a reactor tube, the feedstock being moved through the reactor tube by a rotating auger;heating the feedstock within said reactor tube to a sufficient temperature such that pyrolysis occurs to produce a residual carbonized feedstock; the heat for heating the feedstock being generated by a heat source selected from the group consisting of combustion chamber, gas heat, electric coil oven, and electric tube furnace; andcollecting the residual carbonized feedstock exiting the reactor tube in a pressure vessel;wherein the feedstock is introduced into the reactor tube from the inner hopper, said reactor tube comprising an exit orifice, the residual carbonized feedstock exiting the reactor tube via the exit orifice and entering the pressure vessel; andwherein the pressure generated in the pressure vessel forces the flow of gasses of pyrolysis upward through the reactor tube and through the incoming feedstock in the inner hopper, such th at said feedstock in the inner hopper acts as a filter and heat generated by the heat source is transferred to the incoming feedstock within the inner hopper. 5. The process for pyrolysis of feedstock in claim 4, further comprising the step of:injecting a gas into the pressure vessel, the gas being selected from the group consisting of CO 2 , steam, natural gas oxygen, and air;wherein the gas injected into the pressure vessel enhances the conversion of the residual carbonized feedstock exiting the reactor tube via the exit orifice to gases and/or liquids; andwherein the flow of the gas injected into the pressure vessel is controlled in order to adjust the conversion of the residual carbonized feedstock into the gasses and/or liquids. 6. The process for pyrolysis of feedstock in claim 4, further comprising the step of.introducing feedstock into, and moving said feedstock through, at least one additional reactor tube; andheating the feedstock within said at least one additional reactor tube to a sufficient temperature such that pyrolysis occurs to produce a residual carbonized feedstock,wherein the feedstock is introduced into the at least one additional reactor tube from the inner hopper. 7. A device for pyrolysis of feedstock, comprising.an inner hopper for supplying a feedstock;a reactor tube within which pyrolysis of the feedstock occurs;a means for introducing Feedstock into, and moving the feedstock through, the reactor tube, said means for introducing and moving the feedstock comprising a rotating auger;a means for heating the feedstock within said reactor tube to a sufficient temperature such that pyrolysis occurs to produce a residual carbonized feedstock, said means for heating comprising a heat source selected from a group consisting of combustion chamber, gas heat, electric coil oven, and electric tube furnace; anda pressure vessel positioned to collect the residual carbonized feedstock exiting the reactor tube;wherein the feedstock is introduced into the reactor tube from the inner hopper, said reactor tube comprising tan exit orifice said residual carbonized feedstock exiting the reactor tube via the exit orifice and entering the pressure vessel; andwherein the pressure generated in the pressure vessel forces the flow of gasses of pyrolysis upward through the reactor tube and through the incoming feedstock in the inner hopper, such that said feedstock in the inner hopper acts as a filter and heat generated by the means for heating is transferred to the incoming feedstock within the inner hopper. 8. The device for pyrolysis of feedstock in claim 7, further comprisinga means for injecting a gas into the pressure vessel;wherein the means for injecting a gas into the pressure vessel enhances the conversion of the residual carbonizes feedstock existing the reactor tube via the exit orifice to gasses and/or liquids; andwherein the low of the gas injected into the pressure vessel is controlled in order to adjust the conversion of the residual carbonized feedstock into the gasses and/or liquids. 9. The device for pyrolysis of feedstock in claim 7, further comprising at least one additional reactor tube;wherein the feedstock within said at least one additional reactor tube is heated to a sufficient temperature such that pyrolysis occurs to produce a residual carbonized feedstock; andwherein the feedstock is introduced into the at least one additional reactor tube from the inner hopper. 10. A device for pyrolysis of feedstock, comprising:an inner hopper for supplying a feedstock;a reactor tube within which pyrolysis of feedstock occurs;a means for introducing feedstock into, and moving the feedstock through, the reactor tube, said means for introducing and moving the feedstock comprising a rotating auger;a combustion chamber positioned such that the combustion chamber is in direct thermal contact with the reactor tube such that heat generated within the combustion chamber is transferred to the feedstock in the reactor tube to provide heat of pyrolysis to produce a residual carbonized feedstock; wherein the feedstock is introduced into the reactor tube from an inner hopper, and wherein gasses of pyrolysis travel through the feedstock in the inner hopper such that feedstock in the inner hopper acts as a filter; anda pressure vessel positioned to collect the residual carbonized feedstock exiting the reactor tube;wherein the feedstock is introduced Into the reactor tube from the inner hopper, said reactor tube comprising an exit orifice, said residual carbonized feedstock exiting the reactor tube via the exit orifice and entering the pressure vessel; andwherein the pressure generated in the pressure vessel forces the flow of gasses of pyrolysis upward through the reactor tube and through the incoming feedstock in the inner hopper, such that said feedstock in the inner hopper acts as a filter and beat generated by the combustion chamber is transferred to the incoming feedstock within the inner hopper. 11. The device for pyrolysis of feedstock in claim 10, further comprising:a means for injecting a gas into the pressure vessel;wherein the means for injecting a gas into the pressure vessel enhances the conversion of the residual carbonized feedstock existing the reactors tube via the exist orifice to gasses and/or liquids; andwherein the flow of the gas injected into the pressure vessel is controlled in order to adjust the conversion of the residual carbonized feedstock into the gasses and/or liquids. 12. The device for pyrolysis of feedstock in claim 10, further comprising at least one additional reactor tube;wherein the feedstock within said at least one additional reactor tube is heated to a sufficient temperature such that pyrolysis occurs to produce a residual carbonized feedstock; andwherein the feedstock is introduced into the at least one additional reactor tube from the inner hopper.
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