Stirling heat engine solar heat collector
A technology of solar heat collectors and heat engines, which is applied to solar heat collectors, solar heat collectors using working fluids, and solar thermal energy, etc., which can solve the problems of short service life, uneven heating on the surface of solar heat collectors, and inability to heat uniformly Stable transmission to heat exchange tubes and other issues, to achieve long service life, stable work, and reduce heat loss
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[0020] The present invention will be further described below in conjunction with the drawings and specific embodiments:
[0021] Such as figure 1 The illustrated Stirling heat engine solar heat collector includes a heat collecting cover 1 and a heat exchange tube 2 arranged in the heat collecting cover. In this embodiment, the open end of the heat collecting cover is provided with a heat collecting plate 3. The heat collecting cover 1 is a hemisphere, the heat collecting plate 3 is a spherical panel, and the heat collecting plate 3 is made of cermet, and the outer surface is provided with a high temperature resistant coating 10, and the high temperature resistant coating is alumina coating. The convex surface of 3 faces the bottom of the heat collecting hood 1. A closed heat collecting cavity 4 is enclosed between the heat collecting plate and the heat collecting hood. The heat collecting cavity 4 is equipped with metallic sodium 5, and the heat collecting cavity is filled wit...
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