Phase change heat exchanger thermoelectric generation device

Abstract

The invention discloses a phase change heat exchanger thermoelectric generation device, which belongs to the technical field of energy saving. In the phase change heat exchanger thermoelectric generation device, semiconductor thermoelectric generation chips connected in series or in parallel are arranged between the outer circular surface of a phase change heat exchanger and the inner circular surfaces of finned radiators; high-thermal conductivity silica gel is coated on the low-temperature surfaces and high-temperature surfaces of the semiconductor thermoelectric generation chips; a heat-preservation material is filled into other gaps between the phase change heat exchanger and the finned radiators; a phase change energy storage material is sealed in phase change energy storage material containing cavities of the phase change heat exchanger; and the finned radiators I and II in the finned radiators are connected by connecting parts. The phase change heat exchanger thermoelectric generation device utilizes a temperature difference between a high-temperature waste gas and the outside, fully utilizes the energy of the waste gas by phase change energy storage and thermoelectric generation technologies, and converts the energy into electric energy. The phase change heat exchanger thermoelectric generation device ensures high afterheat utilization rate and high generation efficiency, is simply structured and convenient to arrange, and can be widely used for recycling the afterheat of the waste gas of a boiler, the high-temperature tail gas of an automobile, and the like.

Description

technical field [0001] The invention belongs to the technical field of energy saving, and in particular relates to a thermoelectric power generation device of a phase change heat exchanger. Background technique [0002] Thermoelectric semiconductor is a kind of technology that utilizes the Petier effect and Seebeck effect of semiconductor materials to absorb heat and release heat by energizing both ends of PN type semiconductor materials, or provide a temperature difference at both ends of PN type semiconductor materials to generate electricity. Semiconductor devices, which do not require chemical reactions and have no mechanical moving parts, have the characteristics of light weight, no noise, no pollution, fast start-up, precise control and use of various heat sources to generate electricity, and are widely used in various fields. With the shortage of energy and the continuous improvement of people's awareness of environmental protection, especially the problem of global w...

AI Technical Summary

Problems solved by technology

However, due to the limitation of the development of thermoelectric materials for thermoelectric semiconductor materials, the power generation efficiency is very low. At present, the efficiency of thermoelectric power generation is mainly improved by improving the structure of the power generation device.

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