Solar heat collection system
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United States of America Patent
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Feb 27, 2018
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app pub date -
Mar 5, 2014
filing date -
Mar 18, 2013
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Abstract
The inventive solar heat collection system reduces the risk of damage to heat transfer pipes of a high-temperature heat collection device. The low-temperature heat collection device (1) heats water by sunlight heat to generate steam. The steam-water separation device (4) separates a water-steam two-phase fluid generated in the low-temperature heat collection device into water and steam. The high-temperature heat collection device (5) heats the steam separated by the steam-water separation device by use of heat of sunlight reflected by a plurality of heliostats (8), thereby generating superheated steam. The heliostat control device (13) controls angles of the plurality of heliostats so that metal temperature of the high-temperature heat collection device is maintained not to be higher than a threshold temperature set to prevent overshoot of steam temperature at an outlet of the high-temperature heat collection device.
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