Recovery of thermal energy from a thermomechanical pulp plant

Details Recovery of thermal energy from a thermomechanical pulp plant Recovery of thermal energy from a thermomechanical pulp plant

1978-06-07

1980-11-04

Fisher, Richard V.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With heat recovery

162207, D21B 112, D21F 520

Patent

active

042318424

ABSTRACT:
A method of recovering the thermal energy contained in the pressurized steam utilized during the production of thermomechanical pulp. The steam is applied to the primary side of a heat exchanger with water supplied to the secondary side in order to produce hot water. The water is vaporized to produce clean steam. The clean steam is then utilized to at least a first steam group of the drying sections of a paper manufacturing machine without increasing the pressure of the clean steam.

REFERENCES:
patent: 3988200 (1976-10-01), Smith, Jr.
patent: 3988201 (1976-10-01), Smith, Jr.
patent: 4111743 (1978-09-01), Ronnholm
patent: 4138311 (1979-02-01), Neno
Torsten Simmons, "Varmeater vinning vid T-massaabriken i Braviken", Svensk Papperstidning, vol. 10, 1977.

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