Process and apparatus for calcining solids or sludges

Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C432S099000

Reexamination Certificate

active

07833012

ABSTRACT:
The invention relates to a process and an apparatus for calcining solids or sludges in a multiple-deck furnace having a firing region, which has at least one upper heated hearth and at least one lower heated hearth, and having a cooling region, which is provided with one or more unheated hearths, material to be calcined passing first into the firing region and then into the cooling region. A portion of the material to be calcined is delivered to the at least one lower heated hearth and/or to the cooling region, bypassing the at least one upper heated hearth of the firing region.

REFERENCES:
patent: 786599 (1905-04-01), Repath et al.
patent: 1444927 (1923-02-01), Leggo
patent: 1446863 (1923-02-01), Townley et al.
patent: 1811920 (1931-06-01), Dickson
patent: 2104526 (1938-01-01), Raisch
patent: 2333111 (1943-11-01), Lykken
patent: 2376177 (1945-05-01), Nichols, Jr.
patent: 3030089 (1962-04-01), Johnson, Jr.
patent: 3142480 (1964-07-01), Azbe
patent: 3153633 (1964-10-01), Dreusche, Jr.
patent: 3210180 (1965-10-01), Jukkola
patent: 3285590 (1966-11-01), Parsons
patent: 3355158 (1967-11-01), Campbell et al.
patent: 3905757 (1975-09-01), von Dreusche, Jr.
patent: 4318691 (1982-03-01), Strong
patent: 4453474 (1984-06-01), Lewis
patent: 4740157 (1988-04-01), D'Agrosa
patent: 4747773 (1988-05-01), Predescu et al.
patent: 4764107 (1988-08-01), Sundermann et al.
patent: 1 225 673 (1966-09-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process and apparatus for calcining solids or sludges does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process and apparatus for calcining solids or sludges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process and apparatus for calcining solids or sludges will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4252497

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.