Heating – With work cooling structure – Cooling liquid contacts work
Patent
1979-08-08
1981-06-30
Davis, Albert W.
Heating
With work cooling structure
Cooling liquid contacts work
165DIG12, 165DIG27, 208 11LE, 122 28, F27D 1502
Patent
active
042760216
ABSTRACT:
A continuous process for heating a fluid by recovering heat from a heated, pumpable aqueous slurry of granular material wherein the slurry is passed through an indirect heat exchanger to heat the fluid and then passed to a second indirect heat exchanger to preheat water for forming of further heated, pumpable slurry, with the slurry next passed to a third indirect heat exchanger to heat makeup water to the system and then to a thickener wherein the granular material is separated and the water recovered from the thickener is returned to the system.
REFERENCES:
patent: 1089110 (1914-03-01), Chappell
patent: 1447593 (1923-03-01), Macklind
patent: 2903407 (1959-09-01), Fischer et al.
patent: 4197183 (1980-04-01), Audeh
Brink Robert E.
Karnofsky George B.
Davis Albert W.
Dravo Corporation
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