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Heat collecting pipe rotary type grooved light condensed heat collecting system

A technology of concentrating heat and heat collecting tubes, applied in the field of solar thermal utilization, can solve the problems of cost increase, bending failure, overheating of heat collecting tubes, etc., and achieve the effect of avoiding bending failure and changing energy distribution

Inactive Publication Date: 2018-06-22
GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS BEIJNG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, when the trough concentrating system is working, only the focusing surface of the heat collecting tube is heated, so there is uneven energy distribution during the working process, which will cause local overheating of the heat collecting tube and cause bending failure
In order to avoid this situation, a forced heat exchange structure will be added inside the heat collecting tube to promote uniform energy distribution, but this will restrict the flow of heat transfer medium and increase the cost

Method used

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  • Heat collecting pipe rotary type grooved light condensed heat collecting system
  • Heat collecting pipe rotary type grooved light condensed heat collecting system

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Embodiment Construction

[0011] The present invention provides a trough-type light concentrating and heat-collecting system with rotating heat-collecting tubes. The structure of the system of the present invention will be further described below in conjunction with the accompanying drawings.

[0012] figure 1 and figure 2 It is a schematic diagram of a heat collecting tube rotating trough-type concentrating heat-collecting system. The concentrated heat-collecting system includes a trough bracket 1, a reflector 2, a heat collecting tube 3, a high-temperature rotary joint 4, a drive 5, and photovoltaic modules or solar energy Thin film battery 6; the heat collecting tube 3 is connected to the trough support 1 through a driving and high-temperature rotary joint, the reflector 2 is connected to the trough support 1 through bolt connection, riveting or bonding, and the photovoltaic module or solar thin film battery 6 is installed The upper and lower edges of the trough support 1 are connected with the d...

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Abstract

The invention discloses a heat collecting pipe rotary type grooved light condensed heat collecting system, and belongs to the technical field of solar energy photo-thermal utilization. The heat collecting pipe rotary type grooved light condensed heat collecting system comprises a grooved support, a reflection mirror, a heat collecting pipe, a high temperature rotary joint, a driver and a photovoltaic assembly or a solar energy hull cell. The system can utilize electric power generated by the photovoltaic assembly or the solar energy hull cell to drive the heat collecting pipe to rotate slowlyin the light condensation operating process, accordingly the heat collecting pipe is evenly heated in the circumferential direction, distribution of temperature fields in the heat collecting pipe is changed, bending failure of the heat collecting pipe due to local overheating is avoided, accordingly the heat collecting efficiency is improved, and the life of the heat collecting pipe is prolonged.

Description

technical field [0001] The invention belongs to the technical field of solar light and heat utilization, and in particular relates to a heat collecting tube rotating trough type light concentrating and heat collecting system. Background technique [0002] With the rapid development of science and technology, people's demand for energy is increasing day by day. Solar trough thermal power generation has become a focus of attention. At present, when the trough-type concentrating system is working, only the focusing surface of the heat collecting tube is heated, so there is uneven energy distribution during the working process, which leads to local overheating of the heat collecting tube and then causes bending failure. In order to avoid this situation, a forced heat exchange structure will be added inside the heat collecting tube to promote uniform energy distribution, but this will restrict the flow of heat transfer medium and increase the cost. Therefore, it is necessary to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S10/70F24S23/70F24S30/40H02S40/44
CPCH02S40/44Y02E10/50Y02E10/60
Inventor 米菁郝雷于庆河杜淼李世杰
Owner GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS BEIJNG
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