Methods and apparatus for pyrolyzing material

Details Methods and apparatus for pyrolyzing material Methods and apparatus for pyrolyzing material

Category

B - Operations, Transporting

Subcategory

09

Subsubcategory

B

IPC codes

B09B 3/00 (2006.01) C10J 1/213 (2012.01) B29B 17/04 (2006.01)

Type

Patent

Patent number

CA 2668886

Description

Methods and systems (10, 110) for substantially continuously treating comminuted material (28) containing carbon and hydrogen, for example, used tires, are provided. The methods include the steps of introducing the tire material to an elongated chamber (12, 112), transferring the tire material (28) through the elongated chamber, heating the tire material to a temperature sufficient to pyrolyze the material to produce a gaseous stream; discharging the gaseous stream from the chamber, and cooling at least some of the gaseous stream to liquefy components of the stream. The transfer may be effected by a flexible, center-less screw conveyor (18A, 18B, 18C) to minimize material buildup in the vessel. The cooling of the gaseous stream may be practiced by reverse condensation. One or more re-usable fuel streams are provided by aspects of the invention.

L'invention concerne des procédés et des systèmes (10, 110) permettant de traiter de façon sensiblement continue un matériau broyé (28) contenant du carbone et de l'hydrogène, par exemple des pneus usés. Les procédés comprennent les étapes consistant à introduire le matériau de pneu dans une chambre allongée (12, 112), transférer le matériau de pneu (28) à travers la chambre allongée, le chauffer à une température suffisante pour le pyrolyser afin de générer un courant gazeux, évacuer le courant gazeux de la chambre, et refroidir au moins une partie du courant gazeux pour liquéfier ses composants. Le transfert peut être assuré par un transporteur à vis sans fin flexible, sans pointe (18A, 18B, 18C) afin de minimiser l'accumulation de matériau dans la cuve. Le refroidissement du courant gazeux peut être réalisé par condensation inverse. Certains aspects de l'invention concernent un ou plusieurs courants de combustible réutilisable.

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