Method and apparatus for preheating pulverous materials prior to

Glass manufacturing – Processes – Repairing or cleaning of apparatus; or batch dust prevention...

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65134, 65335, 165 3, 16510418, 165111, 165112, C03B 300

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active

043537260

ABSTRACT:
The present invention relates to method and apparatus for preheating pulverous materials, such as glass batch constituents, prior to their introduction into a melting furnace to increase the efficiency and output of the melting installation. The pulverous materials are passed downwardly by gravity through a shell and tube preheater including an interior exhaust chamber to vent the contained moisture from the heated pulverous material. The venting prevents moisture condensation and build-up of the pulverous material within the tubes and batch materials, especially in cooler areas, which can cause tube pluggage. The subject invention is of particular utility to the glass industry and especially glass melting furnaces, but is also applicable to other types of furnaces.

REFERENCES:
patent: 3880639 (1975-04-01), Bodner et al.
patent: 4184861 (1980-01-01), Erickson et al.
patent: 4248616 (1981-02-01), Seng et al.
patent: 4295519 (1981-10-01), Bellaff
patent: 4306899 (1981-12-01), Richards
patent: 4310342 (1982-01-01), Richards

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