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Energy-storage peak-and-valley-regulating all-weather solar-energy-balanced power generation device

A power generation device, all-weather technology, applied in the field of solar power generation, to achieve the effect of no exhaust and waste emissions

Inactive Publication Date: 2012-11-28
李光武
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an all-weather solar balanced power generation device for energy storage and peak regulation to solve the technical problem of stable output of low-cost balanced peak regulation of solar power generation systems

Method used

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Effect test

Embodiment 1

[0023] refer to figure 1 As shown, a phase-change material energy storage peak-shaving valley all-weather solar balanced power generation device mainly includes a solar heat collection device, a phase change material storage device, a screw expansion power machine, a generator, etc.; the solar heat collection device and the phase change material storage There is a pipeline connection between the devices, which is used to circulate the medium in the solar heat collection device to transfer heat energy to the phase change material, so that the phase change material can phase change and store energy; there is a pipeline connection between the phase change material storage device and the screw expansion power machine, It is used to circulate the driving medium in the screw expansion power machine. The driving medium is heated to a suitable temperature and pressure by the phase change material in the heat exchanger in the phase change material storage device, and drives the screw ex...

Embodiment 2

[0028] refer to figure 2 As shown, an all-weather solar energy balance power generation device for energy storage peak shaving and valley mainly includes a solar heat collector, a phase change material storage device, a screw expansion power machine, a generator, etc.; there is a pipe between the solar heat collection device and the screw expansion power machine Road connection, used to circulate the medium in the solar heat collection device, use part of the absorbed energy to heat the medium that drives the screw expansion power machine during daytime solar heat collection, heat the driving medium to a suitable temperature and pressure, and drive the screw expansion power machine to drive the generator to generate electricity . There is a pipeline connection between the solar heat collection device and the phase change material storage device, which is used to circulate the medium in the solar heat collection device to transfer heat energy to the phase change material, so t...

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PUM

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Abstract

The invention discloses an energy-storage peak-and-valley-regulating all-weather solar-energy-balanced power generation device. The device absorbs the solar energy by using a solar heat collection device, stores the solar energy absorbed in the day through the phase state transformation of a phase change material, drives a driving medium of a screw expansion power machine through heating implemented by using the heat energy stored by the phase change material, and drives the screw expansion power machine to drive a power generator to carry out power generation by using the heated driving medium. The whole system of the device disclosed by the invention both can carry out all-day balanced stable power generation and can carry out power generation as required, and has the advantages of convenience and safety in use, balanced and consistent power generating capacity, environmental protection, reliability, higher solar energy utilization rate, and the like.

Description

technical field [0001] The invention belongs to the field of solar power generation, and relates to an all-weather solar balanced power generation device for energy storage peak-shaving valleys of phase change materials. Background technique [0002] Solar power generation has been researched and developed for many years. Some demonstration power generation projects have reached or exceeded 20MW. The main power generation methods include photovoltaic power generation with direct photovoltaic power generation, solar tower power generation with steam generated by light and heat to drive generators, trough power generation, etc. However, the reason why green energy such as solar energy and wind energy cannot be developed in a large amount is that the main problem is the problem of peak regulation, because the sun can only provide solar energy during the day, and the light intensity will change with cloudy days, rain, wind and sand, etc. These changes affect the The efficiency o...

Claims

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Application Information

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IPC IPC(8): F03G6/06F24J2/34
CPCY02E10/46
Inventor 李光武
Owner 李光武