Biomass reactor for producing gas

Details Biomass reactor for producing gas Biomass reactor for producing gas

2004-07-27

2010-02-09

Michener, Jennifer K (Department: 1795)

Gas: heating and illuminating

Generators

Cupola

Reexamination Certificate

active

07658776

ABSTRACT:
Apparatus for producing synthesis gas from a biomass feed in a closed, helical coil reactor utilizing a heat source such as a natural gas burner. The reactor includes the helical coil disposed in a reactor vessel with the heat source positioned toward a bottom of the reactor vessel. A heat shield is preferably disposed within at least an upper section of the helical coil, and the coil is placed adjacent to, but spaced from, a sidewall of the vessel so that convective heat may flow upwardly and around the individual coils of the helical coil. A lower section of the helical coil is preferably exposed to direct heat from the heat source. This lower section may exhibit a coil diameter that is greater than a coil diameter of the upper section. The biomass feed may be supplied to the helical coil from a mixing chamber including a spiraling screw valve.

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