Heat-recovery boiler

Details Heat-recovery boiler Heat-recovery boiler

2008-01-29

2008-01-29

Wilson, Gregory (Department: 3749)

Liquid heaters and vaporizers

Industrial

Waste heat

C122S406300

Reexamination Certificate

active

10545419

ABSTRACT:
The invention relates to a heat-recovery boiler (3) consisting of a tube bundle heat exchanger (7) which is incorporated into a pressure vessel (2) downstream of a gasification device. Displacement bodies (9) are inserted into pipes which are flowed around by hot process gas. According to said invention, in order to avoid corrosion problems like metal dusting, said displacement bodies (9) are made of graphite.

REFERENCES:
patent: 2003742 (1935-06-01), Elliott
patent: 3318588 (1967-05-01), Russell et al.
patent: 4418649 (1983-12-01), Purvis
patent: 4871014 (1989-10-01), Sulzberger
patent: 4899696 (1990-02-01), Kennedy et al.

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