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Disc type solar heat-electricity direct converting system

A conversion system and solar heat collection technology, applied in the field of dish-type solar thermal direct conversion system, to achieve the effect of reducing convective heat loss, reducing heat transfer temperature difference, and increasing air temperature

Inactive Publication Date: 2011-09-07
CHONGQING UNIV
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Problems solved by technology

However, since the current efficiency of thermoelectric power generation is generally about 10%, it is necessary to recover and reuse the secondary waste heat generated in the process of thermoelectric power generation

Method used

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  • Disc type solar heat-electricity direct converting system

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Embodiment Construction

[0013] The following in conjunction with the accompanying drawings in the description figure 1 The specific implementation of the present invention will be described in detail.

[0014] The present invention mainly consists of a dish condenser 1, a horn-shaped receiver 2, a rectangular air grid 3, a heat absorber lighting opening 4, a heat absorber cavity 5, a heat absorber bottom 6, a capillary liquid-absorbing core 7, an evaporator 8, Evaporator inlet liquid pipeline 9, evaporator outlet steam pipeline 10, coupling heat exchanger 11, electromagnetic pump 12, alkali metal liquid pipeline 13, high temperature and high pressure alkali metal steam pipeline 14, alkali metal thermoelectric converter 15, low temperature and low pressure alkali metal steam Pipeline 16, condenser 17, thermoelectric power generation device 18, fan 19, cooling air inlet pipe 20, cooling air channel 21, cooling air outlet pipe 22, cavity 23 composed of heat absorber wall and horn-shaped receiver, exhaus...

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Abstract

The invention provides a disc type solar heat-electricity direct converting system, belonging to the field of energy source power engineering. The system comprises an alkaline metal heat-electricity converting subsystem capable of directly converting heat energy into electrical energy, a temperature difference power generating subsystem for directly converting residual heat of a condenser into the electrical energy, and a disc type solar heat collecting subsystem which realizes reutilization of secondary residual heat; the system is mainly composed of a disc type collecting mirror, a trumpet-shaped receiver, a heat absorber cavity, an evaporator, a coupling heat exchanger, an electromagnetic pump, an alkaline metal heat-electricity converter, the condenser, a temperature difference power generating unit, a draught fan, a cooling air channel and a connection pipeline. Compared with the other solar heat-electricity utilizing systems, the system provided by the invention has the characteristics of double heat-electricity conversions and reutilization of secondary residual heat, realizes the comprehensive gradient utilization of energy and has high efficiency; meanwhile, the system also has the advantages of no moving parts and noise, low operation and maintenance costs, high reliability, combination of modularization and the like.

Description

Technical field: [0001] The title of the present invention is a dish type solar thermal power direct conversion system, which belongs to the field of energy power engineering. Background technique: [0002] Static power generation is a production process that directly converts thermal energy into electrical energy. Compared with traditional dynamic power generation, that is, heat energy is first converted into mechanical energy and then converted into electrical energy. Static power generation reduces the energy conversion links in the entire production process, and the energy loss is corresponding Reduced, so that the operating cost and instability of the entire system will also be greatly reduced. From this point of view, static power generation may provide better economy and stability than dynamic power generation. Therefore, some scholars have proposed to use a thermoelectric direct converter with no moving parts, no noise, and no maintenance to generate power, that is,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N11/00
Inventor 吴双应肖兰
Owner CHONGQING UNIV
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