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Distributed solar energy utilization system

A solar energy and distributed technology, applied in the field of solar energy utilization, can solve the problems of insufficient utilization of waste heat, high manufacturing cost, low battery waste disposal and energy utilization efficiency, etc., to improve energy utilization rate, good safety and reliability, good independence

Inactive Publication Date: 2008-12-31
XI AN JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to provide a distributed solar energy utilization system, which can overcome or improve the shortcomings of high manufacturing cost, battery waste treatment and energy utilization efficiency in the existing solar energy utilization technology, and overcome the single stage of turbine or Stirling engine. The use of solar energy does not make full use of the defects of waste heat

Method used

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  • Distributed solar energy utilization system
  • Distributed solar energy utilization system
  • Distributed solar energy utilization system

Examples

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Embodiment 3

[0022] Embodiment 3 and Embodiment 4 are further improvements to Example 2: if the temperature of the exhaust gas from the micro-turbine in the main heat utilization device is still high after heat exchange through the waste heat heat exchanger, or the condensation temperature of the working medium in the main heat utilization device is relatively high compared to the waste heat The working fluid in the utilization device is relatively high, and a second or third waste heat utilization device can be added to make full use of the waste heat.

[0023] refer to image 3 , the system works in the same way as figure 2 Basically the same, the difference is that the second waste heat utilization device is added, that is, on the basis of the first Stirling engine 61, the first waste heat generator 71 and the first cooler 81, the second Stirling engine 62, The second waste heat generator 72 and the second cooler 82 , and the corresponding second waste heat exchanger 52 are added, and...

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Abstract

The invention discloses a distributed type solar energy utilizing system, which belongs to the solar energy utilization technology. The distributed type solar energy utilizing system comprises a solar heat collector, a main heat utilizing device and a waste heat utilizing device and is characterized in that the main heat utilizing device comprises a main heat exchanger, a midget high-speed turbine, a waste heat exchanger and a circulating pump which form a circulating closed circuit in sequence, wherein, the main heat utilizing device is connected with the solar heat collector to absorb heat; the waste heat utilizing device comprises a stirling engine and a cooler which is connected with a cooling end of the stirling engine, wherein, a heating end of the stirling engine is connected with the waste heat exchanger to absorb heat.

Description

technical field [0001] The invention relates to solar energy utilization technology, in particular to a distributed solar energy utilization system. Background technique [0002] Solar energy is an inexhaustible renewable energy source with huge availability. The total solar radiation received by the land area of ​​our country is 3.3×10 3 ~8.4×10 6 kJ / (m 2 Between a), equivalent to 2.4×10 4 It is one of the countries with abundant solar energy resources. At present, my country's economy is developing rapidly, and the demand for energy is increasing day by day. However, the limited reserves of traditional energy resources such as oil, coal, and natural gas, and the serious harm to the ecological environment in the process of development and utilization are what we must face in order to achieve sustainable development. major problem. Therefore, the development and utilization of solar energy with the characteristics of cleanness, pollution-free, large reserves, and renewa...

Claims

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Application Information

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IPC IPC(8): F03G6/06F01K23/10
CPCY02E10/46
Inventor 谢永慧谈芦益张荻
Owner XI AN JIAOTONG UNIV
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