Corrosion resistant tubular air preheater

Details Corrosion resistant tubular air preheater Corrosion resistant tubular air preheater

1975-07-24

1977-07-12

Davis, Jr., Albert W.

Heat exchange

With adjustor for heat, or exchange material, flow

Branched flow

165135, 165134, 165157, 165DIG2, 237 123A, F28F 1900

Patent

active

040348032

ABSTRACT:
A corrosion resistant tubular air preheater in which combustion air is heated by heat transfer from flue gases from a furnace. The heat exchanger is of a longitudinal type having a central enclosure of rectangular cross-section in which a plurality of tubular heat transfer elements are mounted. Surrounding the central enclosure is an outer plenum. Cold combustion air enters at the bottom of the outer plenum and circulates around and up the plenum to a series of openings on top of the heat transfer elements. The partially heated combustion air then passes downwardly through metal tubes in the heat transfer elements and then passes outwardly to the furnace. The minimum temperature in metal structure enclosing the combustion gases is controlled by two means. One is the use of insulation in selected areas to limit heat transfer rate to cold air impinging upon metal surfaces. The second method is by control of cold air flow incidence on or along heat transfer surfaces so as to minimize rapid heat transfer from any metal surface, which might chill the surface below the dew point.

REFERENCES:
patent: 1834398 (1931-12-01), Harter
patent: 1914415 (1933-06-01), Farbridge
patent: 2202920 (1940-06-01), Potter
patent: 2521866 (1950-09-01), Ott

Affiliated with

Also associated with

Rating

Corrosion resistant tubular air preheater does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Corrosion resistant tubular air preheater, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Corrosion resistant tubular air preheater will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-482668