Method and apparatus for recovering heat in waste water

Heat exchange – Regenerator – Checker brick structure

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Details

165 47, 165174, 237 56, F24H 300, F28F 902

Patent

active

043523919

ABSTRACT:
The invention relates to a heat transfer from waste water from a building back to the building. The waste water is supplied to a waste pipe (2) in such a way that it is forced to flow downwardly in the pipe along its inner wall. Heat from the waste water is transmitted to a medium flowing on the outside of the pipe.

REFERENCES:
patent: 2016341 (1935-10-01), Nelson
patent: 2097104 (1937-10-01), Saha
patent: 4157706 (1979-06-01), Gaskill
patent: 4256170 (1981-03-01), Crump
patent: 4256176 (1981-03-01), Cohen
patent: 4304292 (1981-12-01), Cardone et al.

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