High pressure oil/gas fired closed loop furnace

Heating systems – Water

Patent

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Details

126 79, 122 20B, 165DIG12, F24D 300

Patent

active

043724876

ABSTRACT:
Furnace structures having smoke and gas return are disclosed. The structures have a closed circuit combustion gas loop and a closed circuit liquid heat transfer loop. The two loops are circulated countercurrent to one another so that maximum heat transfer efficiency is achieved and exhaust emissions are reduced to a minimum.

REFERENCES:
patent: 951703 (1910-03-01), Sawyer
patent: 2026399 (1935-12-01), Pierce
patent: 4033320 (1977-07-01), Jury
patent: 4277021 (1981-07-01), Daye
patent: 4312320 (1982-01-01), Jennings

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