Two-stage heat pipe type solar air heater
An air heater and solar energy technology, applied in solar collectors, solar heating systems, solar thermal energy, etc., can solve the problems of low temperature, low efficiency, and large resistance of hot air, achieve high heat transfer rate, and avoid flow dead area, the effect of reducing resistance
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0026] figure 1 Shown is a schematic diagram of the structure of a two-stage heat pipe vacuum tube solar air heater. Such as figure 1 As shown, the present invention mainly includes a combined heat collector 1, a straight tube heat pipe 2, an air flow channel 3, an insulation layer 4, a shell 5, an inserting fin 6, a coated vacuum tube 7, and the like. Taking the vertical placement of the heater as an example, the coated vacuum tube 7 is placed at the bottom of the heater, the coated vacuum tube 7 is inserted with a straight tube heat pipe 2, and a ring-shaped metal insert is inserted between the inner tube of the coated vacuum tube 7 and the straight tube heat pipe 2 The fins 6 are used to enhance heat exchange, and the upper end of the coated vacuum tube 7 is a frame composed of an insulating layer 4 and an outer shell 5. The outer shell 5 ...
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Abstract
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