Pulp dispersion lance

Details Pulp dispersion lance Pulp dispersion lance

1991-04-02

1993-02-23

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

Including whirler device to induce fluid rotation

2394273, 239429, 406 92, 406 95, B05B 710

Patent

active

051882965

ABSTRACT:
The lance of the invention includes a sleeve (2A) which conveys air under pressure around a central tube (1) which conveys the pulp that is to be sprayed and dispersed. The wall of this tube is pierced by separation holes (5) to inject a gaseous lining around the pulp, by break-up holes (3) for breaking up said pulp, and by rotation-imparting holes (4) in the vicinity of the outlet (1B) from the lance. The invention is particularly applicable to feeding a boiler with coal powder.

REFERENCES:
patent: 857096 (1907-06-01), McCord
patent: 1051905 (1913-02-01), McCord
patent: 1451063 (1923-04-01), Anthony
patent: 2946628 (1960-07-01), Bauregger
patent: 3840181 (1974-10-01), Vier et al.
patent: 3897007 (1975-07-01), Roy
patent: 4011995 (1977-03-01), Krause, Jr.
patent: 4796814 (1989-01-01), Klemm et al.
Patent Abstracts of Japan, vol. 10, No. 257 (M-513) [2313], Sep. 3, 1986; & JP-A-61 83 817 (Babcock Hitachi K.K.).

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