Slot type solar heat collector

A trough-type solar energy and heat collector technology, which is applied in the direction of solar heat collectors, solar heat collector parts, solar thermal energy, etc., can solve the internal stress of the expansion of metal pipes and glass pipes, and it is difficult to ensure the interlayer vacuum High production cost and other problems, to overcome the trouble of processing and manufacturing, long service life and convenient maintenance

Inactive Publication Date: 2011-07-27
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, this structure has the following technical problems: 1. There is a welding sealing problem between the metal and the glass; 2. The internal stress caused by the difference in the expansion of the

Method used

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  • Slot type solar heat collector
  • Slot type solar heat collector
  • Slot type solar heat collector

Examples

Experimental program
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Embodiment Construction

[0021] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0022] The invention is a trough-type solar heat collector with a cross section like figure 1 As shown, the split ring tube 1, the absorption coating 2, the heat insulating material 3 and the entrance glass cover 4 are included.

[0023] The split ring tube 1 is provided with an opening 7, a heat absorption working medium 6 is installed in the annular cavity, an absorption coating 2 is provided on the inner surface, a heat insulating material 3 is provided on the outer surface, and an inlet glass cover 4 is connected at the opening 7. Such as figure 2 As shown, the light passes through the condensing paraboloid 5 to form a linear light spot, and the opening 7 of the open annular tube 1 is placed on the linear light spot, and the width of the opening 7 is greater than the width of the linear light spot. The split ring tube 1 is fixedly connected to the concentra...

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PUM

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Abstract

The invention discloses a slot type solar heat collector which is characterized by comprising an open annular pipe, an absorbing coating, an insulating material and an inlet glass cover; the opening annular pipe is provided with an opening; the annular chamber body is internally provided with a heat-absorbing working fluid; the internal surface of the annular chamber body is provided with the absorbing coating; the external surface of the annular chamber body is provided with an insulating material; and the opening is connected with an inlet glass cover. In the invention, the slat type solar heat collector has the advantages that the severe requirements of the traditional vacuum pipe on the vacuum can be overcome, the structure can be greatly simplified, the manufacturing cost is obviously reduced, the characteristic of high absorption rate of the black chamber is sufficiently utilized, the gathered light beam is absorbed sufficiently, the heat collecting efficiency is high, the structure is simple, the maintenance is convenient, the cost is low, and the defects that the traditional slot-type system solar absorber-vacuum heat collecting pipe is inconvenient to machine and manufacture and has high machining charge and manufacturing charge, great technical difficulty, short service life and the like can be solved.

Description

Technical field [0001] The invention relates to a trough-type solar heat collector, which has wide applications in the field of solar light and heat utilization. Background technique [0002] With the rapid development of global industrialization, the consumption of coal, oil, natural gas and other energy sources continues to increase, and the global energy crisis is becoming more and more serious. Since the energy crisis occurred in the 1970s, global environmental pollution has become increasingly serious, coupled with the rapid development of new technologies in various fields, has set off a new upsurge in solar energy utilization. Solar energy has considerable advantages in energy development: (1) The reserves are extremely abundant. Solar radiation can continuously supply the earth, inexhaustible and inexhaustible. (2) Universality. Solar energy can be used on-site, which helps to alleviate the contradiction between energy supply and demand and transportation pressure. (3...

Claims

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Application Information

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IPC IPC(8): F24J2/00F24J2/46
CPCY02E10/40F24S23/74F24S2023/88F24S2070/62
Inventor 徐国强陶智董苯思张传杰高炜贾洲侠闻洁
Owner BEIHANG UNIV
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