Solar thermoelectricity combined utilization device

Abstract

A solar thermoelectricity combined utilization device consists of two or more than two thermoelectricity units which are connected; two ends of the thermoelectricity unit are provided with flanges, the exterior of the thermoelectricity unit is provided with an outer sleeve and the interior the thermoelectricity unit is provided with an inner sleeve; an outer heat transfer pipe is positioned in anannular cavity between the outer sleeve and the inner sleeve; an inner heat transfer pipe is arranged in the inner sleeve; a bend of the outer heat transfer pipe connected with the inner heat transfer pipe is fixed on the flange, and magnetic liquid is filled in a closed loop formed by the inner and outer heat transfer pipes; two ends of the inner heat transfer pipe are provided with power generation mechanisms; and cooling water flows between the inner sleeve and the inner heat transfer pipe. The thermoelectricity units of the device adopt pulsating heat pipe technology and magnetic liquid generating technology to convert the solar energy into heat energy and electrical energy at the same time, and the device has the advantages of high efficiency and low cost.

Description

technical field [0001] The invention belongs to the field of solar thermal power, in particular to a solar thermal power combined utilization device. Background technique [0002] At present, the most utilized energy is the chemical energy of the fuel. Through combustion, the chemical energy of the fuel is converted into thermal energy, and then the thermal energy is converted into mechanical energy to finally generate electrical energy. The efficiency of converting thermal energy into mechanical energy through thermal power devices is low, which results in power generation. The efficiency is reduced, and the power generation methods that directly convert thermal energy or chemical energy into electric energy include solar photovoltaic power generation and fuel cells, etc. Solar photovoltaic power generation technology has low power generation efficiency and high cost, and has not yet formed a large-scale application, and fuel cell technology is still immature. Not marketed....

AI Technical Summary

Problems solved by technology

[0002] At present, the most utilized energy is the chemical energy of the fuel. Through combustion, the chemical energy of the fuel is converted into thermal energy, and then the thermal energy is converted into mechanical energy to finally generate electrical energy. The efficiency of converting thermal energy into mechanical energy through a thermal power device is low, which results in power generation. Efficiency is reduced, and heat or chemical energy is directly converted into electricity by solar photovoltaic power generation and fuel cells. Solar photovoltaic power generation technology has low power generation efficiency and high cost, and has not yet formed a large-scale application, and fuel cell technology is still immature. not marketed

[0003] The existing combined solar thermal power utilization devices basically use solar radiation as a heat source, and use mature technologies to achieve combined utilization of thermal energy and electrical energy, such as the trough solar thermal power system, which heats the oil in the system to high temperature through multiple sets of solar collectors And flow through the heat exchanger to heat water to generate steam to drive the steam turbine to generate electricity, which has the disadvantages of low efficiency and high cost

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