High-temperature vacuum solar collector tube with outlaid expansion joint for solar power generation
A technology of vacuum heat collecting tube and expansion joint, which is applied in the field of expansion joint external solar power generation high-temperature vacuum heat collecting tube, can solve the problems of poor heat absorption efficiency and low efficiency, and achieve the goal of avoiding direct contact, ensuring mechanical life, and ensuring life Effect
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[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0016] The structure of the solar power generation high-temperature vacuum heat collecting tube with an external expansion joint of the present invention is as follows: figure 1 As shown, including the heat pipe 4, the outer surface of the heat pipe 4 is welded with the transition plate 9, the transition plate 9 is connected with the shielding cylinder 8, and the shielding cylinder 8 is arranged on the outer surface of the heat pipe 4, so that the heat inside the heat pipe 4 will not be directly It acts on the expansion joint 1 to protect the expansion joint 1. The transition plate 9 is welded to the inside of the upper port of the expansion joint 1, the expansion joint 1 is arranged on the outer surface of the shielding cylinder 8, and the outer part of the upper port of the expansion joint 1 is welded with a cover plate 10. This structure i...
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