Method and apparatus for thermally decomposing refuse专利检索-热分解炉热处理废物处理废物处理与管理专利检索查询-专利查询网

Method and apparatus for thermally decomposing refuse

阅读：95发布：2022-05-03

专利汇可以提供Method and apparatus for thermally decomposing refuse专利检索，专利查询，专利分析的服务。并且A method and apparatus for thermally refuse (pyrolysis is the process of chemically decomposing an organic substance by heating it in an oxygen deficient atmosphere) containing a random mixture of organic and inorganic materials. The apparatus includes an upright cylindrical furnace, a refuse chute having at the uppermost part of the furnace doors which are constructed so as to be always able to shut off the outside atmosphere, combustible gas outlet located in the middle of the furnace, a heat molten material bath located at the lowermost part of the furnace, a means for directly heating the heat molten material in the tank, exhaust openings formed respectively in the middle and lower parts of the tank. Materials chiefly composed of metallic oxides are kept molten in the molten material bath shut off from the outside atmosphere, the combustible gas byproduct of the pyrolyzed organic materials in the refuse dropped into the bath is taken outside the bath and the silicious byproduct and metallic byproduct of the pyrolyzed inorganic materials in the refuse are taken outside the bath respectively from above and below the molten material.，下面是Method and apparatus for thermally decomposing refuse专利的具体信息内容。

权利要求

1. A method of pyrolizing and disposing of refuse comprising the steps of (A) melting a solid material into a molten bath by heating means in the lower part of a furnace closed from the outside atmosphere in which said solid material comprises vitreous matter as a component; (B) providing electrodes in said molten bath and energizing the same with an electrical current to maintain the molten state of the molten material; (C) bringing mixed refuse into contact with said molten bath and pyrolyzing the same; (D) removing a gas produced by pyrolysis of refuse from said furnace; (E) and extracting components of the refuse that have been redUced to a molten material; (F) initially providing a plasma flame to keep said molten material molten; and, next subjecting said molten material to high frequency heating to maintain the molten material molten.

2. A method according to claim 1, including burning part of the gas produced from said refuse inside the furnace to retain the heat of the molten material.

3. A method according to claim 1, including generating an electrical current by the heat quantity of gas produced from said refuse, and impressing current thus generated on the molten material.

4. A method according to claim 1 which includes preheating of all the refuse in closed manner in a preheating chamber shut off from the outside atmosphere in the upper part of the furnace tank.

5. An apparatus for use in a method of pyrolyzing and disposing of refuse comprising melting a solid material into a molten material by heating means in the lower part of a furnace shut off from the outside atmosphere, said solid material consisting of vitreous matter as its component, providing electrodes in said molten material and energizing the same with an electrical current to maintain the molten state of the molten material; bringing all refuse into contact with said molten material and pyrolyzing the same; removing a gas produced by pyrolysis of refuse from said furnace; and extracting components of the refuse that have been reduced to a molten material; comprising a tank of refractory walls, a molten material bath of pyrolyzing material in said tank of refractory walls; refuse passage means of refractory material opening into said tank from above the tank; plural door means for shielding the bath from the outside atmosphere disposed in said refuse passage means; a preheating stage between said door means; preheating means for said preheating stage; initial heating means provided above the level of the bath of meltable material in the molten material tank; electric heating means for the meltable material disposed in the lower portion of said bath of molten material in the molten material tank; means for collecting thermally pyrolyzed gas of refuse connected to the refuse passage means above the molten material tank; and means for collecting molten refuse disposed in the molten material bath.

6. An apparatus for pyrolyzing refuse according to claim 5 including a heat exchanger, said preheating means includes a means for supplying a preheating gas, said means extending from the means for collecting pyrolyzed gas of refuse and being connected to said preheating means for the preheating stage through said heat exchanger.

7. An apparatus for pyrolyzing refuse according to claim 6 which includes a combustion tower, means conducting the pyrolized gas from said preheating means to said combustion tower, means for supplying heated air through said heat exchanger to said combustion tower.

8. An apparatus for pyrolyzing refuse according to claim 7 which includes a steam generating means connected to receive the combustion gas of said combustion tower and a generator connected to said steam generating means.

9. An apparatus for pyrolyzing refuse according to claim 8 which includes a power source control means connected to said generator, and control means being electrically connected to the previously mentioned electric heating means for the meltable molten bath of material.

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Method and apparatus for thermally decomposing refuse

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