CN101737979A - Flat-plate porous heat exchanger in solar header - Google Patents
Flat-plate porous heat exchanger in solar header Download PDFInfo
- Publication number
- CN101737979A CN101737979A CN200910263687A CN200910263687A CN101737979A CN 101737979 A CN101737979 A CN 101737979A CN 200910263687 A CN200910263687 A CN 200910263687A CN 200910263687 A CN200910263687 A CN 200910263687A CN 101737979 A CN101737979 A CN 101737979A
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- heat
- header
- plate
- hole
- gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a flat-plate porous heat exchanger in a solar header, belongs to a heat absorbing plate for absorbing heat of gas in the solar header, and mainly solves the problem that the heat of a gas can be rapidly absorbed by the heat absorbing plate when a vacuum tube transfers heat by using gas instead of water. The heat absorbing plate is arranged on a metal flat plate made of copper, aluminum and the like with excellent heat conductivity; and tiny, polygonal or round honeycomb holes are reserved on the flat plate by die pressing or other processing ways. Generally, the surface of the heat absorbing plate is black or is plated with a black film, and not only absorbs heat obtained by collision of gas molecules, but also absorbs electromagnetic wave heat of infrared rays in a heat absorbing process. A flat-plate heat absorber is arranged in the solar header to rapidly absorb the heat, of the gas molecules, which is produced by the vacuum tube and is transferred into the header so as to realize the output of medium-high temperature heat in an air drying state of the vacuum tube.
Description
Technical field:
Hot transmission field in the solar-powered thermal hot water engineering.
Background technology:
In present heating power hot water engineering heat transfer system, be exactly the U-shaped metal tube except water transmits the maximum of heat external application.What be used for the transmission of liquids and gases heat mainly is better to possess the heat exchanger fin long-pending than large contact surface, fin etc. again by heat conductivity, uses more in the air conditioning heat sink device.The heat dissipation technology in the air-conditioning technical, be applied in the transmission of solar air heat and be used as " thermal-arrest " technology, all be by " high temperature " model to " low temperature " transmission.
Summary of the invention:
By mould compacting or other processing approach at heat conductivity copper preferably, make a kind of absorber plate of porous on the metal plates such as aluminium, the absorber plate surface has small, polygon or circle are small " hole " of " cellular ", the surface mostly is black or plating black film, in endothermic process, not only absorb gas molecule collision gained heat, also to absorb ultrared electromagnetic wave heat, this absorber plate is placed on the heat that is transferred to gas molecule in the online case that the fast Absorption vacuum tube produces in the solar united cabinet, so that in the output of when solarization state " empty " realization " middle high temperature " heat energy of vacuum tube.
Description of drawings:
Fig. 1 is the schematic diagram of the dull and stereotyped heat absorption of circle hole shape heat absorption one side.Fig. 2 is with the absorber plate schematic diagram of a heat-exchange tube.In Fig. 2, (1) is the heat absorption circular hole, and (2) are for being embedded in dull and stereotyped interior endothermic tube.Fig. 3 is the schematic diagram in regular hexagon hole on the absorber plate.Fig. 4 is absorber plate shape and an installation direction in the double vacuum tube header.In Fig. 4, (1) is absorber plate, and (2) are endothermic tube, and (3) for inserting the circular hole of vacuum tube, (4) are the header inner chamber, and (5) are the opening of finned tubes in the header.
The specific embodiment:
In conjunction with Fig. 1 Fig. 2 Fig. 3 Fig. 4 absorber plate in the solar header is described:
Present solar header generally has two kinds, and a kind of is the header of single slotting vacuum tube, and a kind of is the header of double slotting vacuum tube.Also there are two kinds corresponding to absorber plate, the absorber plate of single online case and the absorber plate of double online case.Little " hole " opening on the absorber plate of single online case is positioned at a side of plate.Little " hole " opening on the absorber plate of double online case is positioned at the both sides of plate.
The hole of absorber plate is not to gang up up and down, but one side is stopped up.Promptly " hole " be not printing opacity but inhale " light ".Little " hole " on the picture absorber plate of double online case then is to stop up in the middle part of absorber plate.
" deceive " perhaps coating ahsorption membrane, film are black or blueness partially to the absorber plate color for well.Be convenient to absorb infrared ray.
Metal material uses the iron and steel heat-transfer effect a bit weaker individually for copper, aluminium or its alloy preferably of conducting heat.
" hole " be shaped as circle, polygon all can, tiny hole is to increase and the air contact-making surface, increases absorption area.
Heating working medium is walked in embedded with metal pipe or directly compression moulding on the absorber plate in the pipe, absorber plate and be wrapped in wherein metal tube composition liquid (working medium) and the heat exchanger between the gas (medium).
Effect is better under the same conditions for absorber plate effect in the online case of general single vacuum tube.
Claims (3)
1. a kind of flat board, the porous heat exchanger in the solar header is gas heat exchanger in a kind of solar header, it is characterized in that: in header, place profile for dull and stereotyped along the length direction of header, small " hole " that has very dense on the flat board, and there is a metal tube to inlay wherein, header inner chamber is originally used gas medium instead and is conducted heat in application, be heated working medium in the metal tube, insulation material is used resistant to elevated temperatures insulation material instead.
2. according to 1 described characteristics, the micropore in the flat board in the header is meant circular or polygonal small " hole ", Kong Yuexiao, many more, and the contact-making surface of sheet metal and heat-conducting gas is big more, and heat-conducting effect is good more, and the diameter in general hole is between 1-10mm.
3. according to 1 described characteristics, the metal material of micropore flat board is not only thermal conductivity copper, aluminium and alloy thereof etc. preferably, and has a good heat absorptivity, heat absorption metallic plate color deflection black, micropore does not penetrate flat board, Open Side Down for absorber plate little " hole " in the online case of single vacuum tube, and the absorber plate little " hole " in the online case of double vacuum tube is towards both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910263687A CN101737979A (en) | 2009-12-22 | 2009-12-22 | Flat-plate porous heat exchanger in solar header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910263687A CN101737979A (en) | 2009-12-22 | 2009-12-22 | Flat-plate porous heat exchanger in solar header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101737979A true CN101737979A (en) | 2010-06-16 |
Family
ID=42461784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910263687A Pending CN101737979A (en) | 2009-12-22 | 2009-12-22 | Flat-plate porous heat exchanger in solar header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737979A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012055160A1 (en) * | 2010-10-24 | 2012-05-03 | Zhang Xianfeng | Light-locking solar thermal collector and light-locking solar thermal collecting method |
| CN102967085B (en) * | 2012-11-25 | 2017-03-01 | 烟台德馨环保科技有限公司 | A kind of air-conditioning of utilization plate-type exchanger composition and heat pump |
-
2009
- 2009-12-22 CN CN200910263687A patent/CN101737979A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012055160A1 (en) * | 2010-10-24 | 2012-05-03 | Zhang Xianfeng | Light-locking solar thermal collector and light-locking solar thermal collecting method |
| CN103261810A (en) * | 2010-10-24 | 2013-08-21 | 张先锋 | Light-locking solar thermal collector and light-locking solar thermal collecting method |
| CN102967085B (en) * | 2012-11-25 | 2017-03-01 | 烟台德馨环保科技有限公司 | A kind of air-conditioning of utilization plate-type exchanger composition and heat pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100616 |