Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1979-08-20
1981-01-20
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
126400, 165104M, 165104S, 219315, 219316, 219321, 219378, 219486, 219530, H05B 102, F24H 702
Patent
active
042464668
ABSTRACT:
An apparatus for storing electrically generated heat includes a sealed container holding a bed of fusible heat storage medium, such as an alkali metal hydroxide composition, and having an expansion space above the bed of material to accommodate the medium in its liquid phase. A generally horizontal main electric heating unit is located in the bottom portion of the container for heating the fusible medium above its melting point. A first vertical electric heater is provided in the bed of material in thermal contact with the main heating unit and has its active heating portion extends upwardly from the main heating unit only to the height of the heat storage medium in solid phase. A second vertical electric heater is located in the container in thermal contact with the first vertical heater with the active heating portion of the second heater extending only from the height of the fusible medium in solid phase to the height of the medium in the expanded liquid phase. The main heating unit and first vertical heater are controlled by a control means responsive to the temperature in the vicinity of the main heating unit. The second vertical heater is independently controlled by a control responsive to the temperature in the upper part of the container. The main heating unit and vertical heaters each contain removable electric heating elements which can be repaired or replaced without drawing the heat storage medium from the container.
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Cohen Barry M.
Rice Richard E.
Webb George W.
Bartis A.
Grover James H.
Hooker Chemicals & Plastics Corporation
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