An Improved Solar Heat Pipe Vacuum Tube Collector

Abstract

The invention discloses an improved solar heat pipe vacuum tube heat collector, which comprises a heat collector outer pipe and a heat collector inner pipe. The flow mechanism includes a liquid collection ring and a liquid guide sheet, wherein the liquid collection ring is connected to the liquid distribution layer arranged on the inner wall of the inner tube of the heat collector facing the sun through the liquid guide sheet. When the invention works, the condensate flows back to the liquid collecting ring in the condensation section of the inner tube of the heat collector due to gravity, and the liquid collecting ring concentrates the condensate and sends it to the liquid guide sheet, and the condensate flows along the liquid guide sheet to the liquid distribution layer , the liquid distribution layer evenly distributes the condensate to the sun-facing surface of the heat collector. Compared with the prior art, the condensate in the present invention can directly flow back from the condensation section to the hottest end of the heat collector, reducing the After the condensate is condensed, under the action of gravity, it flows along the backside of the vacuum tube to the bottom of the tube to form a heat conduction link, which can effectively improve the heat collection efficiency.

Description

Technical field [0001] The present invention involves an improved solar heat tube vacuum pipe, which belongs to the field of solar heat collectors. Background technique [0002] The inside of ordinary thermal pipes mainly depends on the boom of the work liquid and the hydraulic transmission of heat, and the thermal resistance is small. Therefore, compared with metal such as silver, copper, aluminum, the heat pipe of the unit weight can pass a few more levels of magnitude levels.The calories.The steam in the inner cavity of the thermal pipe is in a saturated state. The pressure of saturated steam is determined by the saturated temperature. The pressure drop from the evaporation section to the condensation section is very small. According to the equations in thermodynamicsHas excellent temperature.The thermal pipe can independently change the heating area of the evaporative or cooling section, that is, input heat at a smaller heating area, and output heat with a larger cooling area...

AI Technical Summary

Problems solved by technology

[0004] In existing solar heat pipe vacuum tube collectors, the condensate condenses and flows back by gravity. Since the collector is installed with an inclination angle, all return paths are generally concentrated on the backside of the collector, and the condensate is often concentrated on the heat pipe to collect heat. The lower end of the collector, the condensate cannot automatically reach the sunny side of the collector by gravity alone

Therefore, after the temperature of the sun-facing side of the collector rises, it relies on heat conduction to heat the back-side of the sun to heat the condensate, resulting in low heat transfer efficiency, high heat dissipation, and low efficiency.

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