Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1977-03-02
1978-09-05
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60659, F01K 300
Patent
active
041109872
ABSTRACT:
An improved process for storing the off-peak electrical output of an electricity generating plant in the form of heat by using said off-peak electrical output to raise the temperature level of a quantity of stored low vapor pressure thermal energy retention material and recalling said stored heat during periods of peak power demand in the form of electrical power, or industrial process heat wherein the excess electrical power, running a compressor (i.e. heat pump), compresses low grade heat containing vapor thereby raising the temperature and said compressed high heat is transferred to a LVP thermal energy retention material, the improvement comprising using as a source of low grade heat the waste heat generated by industrial and/or municipal installation such as refineries, steel mills, incinerators, etc. The process utilizes hot low vapor pressure (LVP) thermal energy retention material and appropriate storage means and cold LVP thermal energy retention material and appropriate storage means, low level, low grade waste heat either alone or in combination with stored hot water, most preferably alone, heat exchanger means, heat pumping means, turbine means, electric motor means and generator means and/or industrial process heat utilization means.
REFERENCES:
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patent: 3631673 (1972-01-01), Charrier
patent: 3681920 (1972-08-01), Margen
patent: 3842605 (1974-10-01), Tegtmeyer
patent: 3886749 (1975-06-01), Pacault
patent: 3998695 (1976-12-01), Cahn
patent: 4003786 (1977-01-01), Cahn
patent: 4043130 (1977-08-01), Brown
Cahn Robert P.
Nicholson Edward W.
Allocca Joseph J.
Exxon Research & Engineering Co.
Ostrager Allen M.
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