Solar vacuum heat-collecting tube with fluid mixer
A vacuum heat collector tube and mixer technology, which is applied to solar thermal power generation, solar thermal devices, heating devices, etc., can solve the problem of uneven heat flux density of solar collector tubes, optimize heat collection performance, strengthen convective heat transfer, prevent cracked effect
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0019] Such as figure 1 As shown, the present invention is a solar vacuum heat collecting tube with a flow mixer, comprising a glass outer tube 5, a metal tube 6 packaged on the inner surface of the glass outer tube 5 and coated with a selective sunlight-absorbing coating 7, arranged on a glass The two ends of the outer tube include a metal bellows 1 and a Kovar tube 2 packaging device, and a vacuum chamber 3 is formed between the glass outer tube 5 and the metal tube 6. It is characterized in that a flow mixer 8 is arranged inside the metal tube 6, increasing The mixing of the fluids on the cross section makes the temperature of the fluids in the metal tube 6 uniform.
[0020] Such as figure 2 As shown, the flow mixer 8 adopts a baffle structure. After the heat-carrying fluid flows through the baffle mixer, the flow direction of the fluid ...
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