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Ladder-Structural Gravity-Assisted-Heat-Pipe Geothermal Energy Recovery System without Liquid-Accumulation Effect
Ladder-Structural Gravity-Assisted-Heat-Pipe Geothermal Energy Recovery System without Liquid-Accumulation Effect
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机译:梯形结构重力辅助 - 热管地热能回收系统,无液体堆积效果
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摘要
A ladder-structural gravity-assisted-heat-pipe geothermal energy recovery system without liquid-accumulation effect, comprises a ladder-structural gravity-assisted heat pipe, a condenser, and a liquid tank. The ladder-structural gravity-assisted heat pipe comprises a return pipe, an outer pipe and an inner pipe. The return pipe is provided in a space between the outer pipe and the inner pipe and communicated with the liquid tank, and the space between the outer pipe and the inner pipe is divided to form a ladder structure. A liquid working medium flows from the liquid tank through the return pipe into each section sequentially, absorbs heat from a high-temperature rock through a wall of the outer pipe, vaporizes into a gaseous working medium, gets into the inner pipe, and rises to the condenser to condense and flows to the liquid tank to circulate. Such design greatly improves the heat transfer efficiency in geothermal energy recovery using ultra-long heat pipes.
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