Dish-Type Solar Thermal Power Generation System And Heat Collector Thereof
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
Apr 26, 2012
filing date -
May 9, 2011
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Abstract
A heat collector of a dish-type solar thermal power generation system and the solar thermal power generation system having the heat collector. The heat collector of the dish-type solar thermal power generation system comprises a heat collecting cavity and at least one layer of heat absorbing coil. The heat collecting cavity is provided with an opening. The heat absorbing coil forms a cavity structure. The cavity structure is provided with a hole. The cavity structure is arranged within the heat collecting cavity. The hole and the opening are aligned. A low temperature inlet of the heat absorbing coil is arranged on the cavity structure at a location where incident light energy distribution density is at maximum. The heat collector is capable of preventing ablation of the heat absorbing coil due to localized overheating and burning of the heat collector due to abrupt drop in convective heat transfer coefficient caused by phase transition of working fluid.
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