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Flat-plate-type heat collecting system and method

A flat-plate, heat-collecting technology, applied in solar heating systems, solar collectors, solar collector controllers, etc., can solve the problems of low light-to-heat conversion efficiency of heat-collecting systems, and achieve improved light-to-heat conversion efficiency, Increase heat absorption capacity and work reliably

Pending Publication Date: 2019-12-31
CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the embodiments of the present invention is that the light-to-heat conversion efficiency of the heat collection system in the prior art is low

Method used

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  • Flat-plate-type heat collecting system and method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0057] This embodiment provides a flat heat collecting system, such as figure 1 As shown, it includes: a flat plate heat collector 001, a first valve 002, a first fan 003, a second valve 004, a second fan 005, a heat storage device 006 and a heat exporter 007. The flat plate collectors 001 are connected in series and / or in parallel, such as figure 1 As shown, two sets of three flat-plate heat collectors 001 are connected in series respectively, and the two sets of flat-plate heat collectors 001 connected in series are then connected in parallel with each other. The total inlet connected in series and / or in parallel is connected to the outlet of the heat storage device 006 through a pipeline, and the total outlet is connected to the inlet of the heat storage device 006 through a pipeline through the first valve 002 and the first fan 003 in turn. The inlet of the heat exporter 007 is connected to the outlet of the heat storage device 006 through a pipeline, the outlet is connec...

Embodiment 2

[0065] This embodiment provides a flat-plate heat collection system. The difference from Embodiment 1 is that the flat-plate heat collector in the flat-plate heat collection system includes: a glass plate 1, a metal mesh member 2, an insulation layer 3, and an outer shell 4 , the first vent 5 and the second vent 6. The glass plate 1 covers the upper part of the cavity surrounded by the shell 4 and is sealed with the shell 4 . The laminated array of at least two metal mesh members 2 is connected inside the cavity, which has adjustable heat storage and limited convection. The insulation layer 3 is connected to the inner wall of the shell 4 . The first vent 5 is opened on the first side wall of the shell 4, the second vent 6 is opened on the second side wall of the shell 4 opposite to the first side wall, the first vent 5 and the second vent 6 Non-coaxial phase-staggered settings.

[0066] The difference from Embodiment 1 is that at least two metal mesh members 2 have adjustab...

Embodiment 3

[0071] This embodiment provides a flat-plate heat collection system. The difference from Embodiment 1 is that the flat-plate heat collector in the flat-plate heat collection system includes: a glass plate 1, a metal mesh member 2, an insulation layer 3, and an outer shell 4 , the first vent 5 and the second vent 6. The glass plate 1 covers the upper part of the cavity surrounded by the shell 4 and is sealed with the shell 4 . The laminated array of at least two metal mesh members 2 is connected inside the cavity, which has adjustable heat storage and limited convection. The insulation layer 3 is connected to the inner wall of the shell 4 . The first vent 5 is opened on the first side wall of the shell 4, the second vent 6 is opened on the second side wall of the shell 4 opposite to the first side wall, the first vent 5 and the second vent 6 Non-coaxial phase-staggered settings.

[0072] The difference from Embodiment 1 is that at least two metal mesh members 2 have adjustab...

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Abstract

The invention discloses a flat-plate-type heat collecting system and method, and relates to the technical filed of solar heat utilization. The flat-plate-type heat collecting system comprises flat-plate-type heat collectors, a first valve, a first fan, a second valve, second fans, a heat storage device and a heat output device; the flat-plate-type heat collectors are mutually connected in series and / or in parallel, a total inlet after series and / or parallel connection is connected with an outlet of the heat storage device through a pipeline, and a total outlet is connected with an inlet of theheat storage device sequentially through the first valve and the first fan by a pipeline; and an inlet of the heat output device is connected with the outlet of the heat storage device through a pipeline, an outlet of the heat output device is connected with the heat storage device through the second valve by a pipeline, and the second fans are connected to the two ends of the second valve in parallel. The flat-plate-type heat collecting system and method have the advantages of high photothermal conversion efficiency and high heat storage ability.

Description

technical field [0001] The invention relates to the technical field of solar thermal utilization, in particular to a flat-plate heat collection system and a heat collection method. Background technique [0002] Solar energy is a renewable new energy. It has the advantages of environmental protection and long-term. It is one of the important choices to deal with energy shortage and climate change, and it has attracted more and more intense attention from the world. Solar energy utilization technology mainly refers to the conversion of solar energy into thermal energy, mechanical energy, electrical energy, chemical energy and other technologies. Among them, the conversion of solar energy to thermal energy has the longest history and the most common development, which is called solar thermal utilization. [0003] At present, the heat collector of the flat-plate solar heat collection system is more common. The heat absorbing body is a heat absorbing plate. To absorb solar energ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S10/70F24S70/12F24S50/80F24S60/00F24S90/10
CPCF24S10/70F24S70/12F24S50/80F24S60/00F24S90/10Y02E10/44
Inventor 李志永赵飞孙鹏程齐月松岳玉亮
Owner CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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