Burner for gasification of powdery fuels

Details Burner for gasification of powdery fuels Burner for gasification of powdery fuels

1980-02-13

1984-06-26

Barrett, Lee E.

Furnaces

Utilizing powdered fuel

431 13, 431 79, 431187, 239422, 2394245, F23D 100

Patent

active

044559496

ABSTRACT:
The burner is formed of a tubular housing including a central tubular passage and a boundary annular passage for feeding into the gasification reactor under high speed a carburation medium such as oxygen or steam. At least three intermediate channels of coaxial annular sections are symmetrically arranged about the central channel and each communicates with a separate inlet conduit for feeding a mixture of powderized fuel with a carrier gas. The transition between the annular intermediate channel and the tubular inlet conduits is made such that the varying outline of the cross-section encloses the same area as the tubular inlet conduit or the annular section intermediate channel. The central tubular channel and the boundary annular channel for feeding the carburation fluid is configurated so as to divert one stream of the carburation fluid at an angle of about 45.degree. toward the axially directed jet of the powderized fuel mixture.

REFERENCES:
patent: 3299841 (1967-01-01), Hemker et al.
patent: 3889933 (1975-06-01), Jaquay
patent: 4147116 (1979-04-01), Graybill
patent: 4157889 (1979-06-01), Bonnel
patent: 4373900 (1983-02-01), Eckelmann

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