F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent
F - Mech Eng,Light,Heat,Weapons
24
J
126/11.02, 126/1
F24J 2/10 (2006.01) F03G 6/06 (2006.01) F24J 2/06 (2006.01) F24J 2/07 (2006.01)
Patent
CA 1179224
ABSTRACT OF THE DISCLOSURE A solar furnace electricity-generating system is provided herein. It includes a concentrator and accumulator for the sun's rays to generate a concentrated high temperature solar beam. A heat hearth is disposed, e.g., in the ground, to absorb the concentrated high temperature solar beam. A plurality of concentric alternating heat transfer-medium- containing chambers and heat absorption zones are provided around the heat hearth. These zones are the following: a primary chamber containing a first heat-transfer-medium in heat-transfer contact with the heat hearth; a pri- mary heat-absorption zone containing a primary heat-absorbing material in heat-transfer contact with the primary chamber; a secondary chamber con- taining the same heat-transfer-medium in heat-transfer contact with the primary zone; a secondary heat-absorption zone containing a second and different heat-absorbing material in heat-transfer contact with the secon- dary chamber; and a tertiary chamber containing the same heat-transfer medium in heat-transfer contact with the secondary zone. Valved outlet lines are provided from each heat-transfer-medium-containing chamber to conduct such heat-transfer media to a common vapour outlet line leading to a vapour-powered electricity-generating turbine. An outlet line is pro- vided from the liquid reservoir to a plurality of valved inlet lines, each leading to an associated heat-transfer-medium-containing chamber. Control means are provided to actuate selected vapourization/condensation cycles from selected heat-transfer-medium-containing chambers, generally from the outer zones first and then from the inner core zones, to the exclusion of similar vapourization/condensation cycles from other heat-transfer- medium-containing chambers. In this way, substantially continuous genera- tion of electricity during periods of daylight and nighttime is provided.
371229
Borden Ladner Gervais Llp
Smith Derrick A.
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