CN105371258A - Solar steam generation device - Google Patents
Solar steam generation device Download PDFInfo
- Publication number
- CN105371258A CN105371258A CN201510749681.6A CN201510749681A CN105371258A CN 105371258 A CN105371258 A CN 105371258A CN 201510749681 A CN201510749681 A CN 201510749681A CN 105371258 A CN105371258 A CN 105371258A
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- Prior art keywords
- heat
- header
- tube
- exchange tube
- interior pipe
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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
- Y02E10/44—Heat exchange systems
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- Photovoltaic Devices (AREA)
Abstract
The invention provides a solar steam generation device which has the beneficial effects of being good in heat collection effect, stable in performance and durable. The solar steam generation device comprises a header (2) and heat collection tubes (16) connected with the header (2). The header (2) is provided with at least one heat exchange tube (11), the heat exchange tubes (11) enter inner tubes (7) of the corresponding heat collection tubes (16) in sequence, and the steam outlet ends (18) of the heat exchange tubes (11) are located inside or outside the header (2). The inner tubes (7) are provided with heat transfer fins (5), and the cross section of each heat transfer fin (5) is in an arc shape or a W shape. If the cross section of each heat transfer fin (5) is in the arc shape, the outer surfaces of the arc-shaped parts are provided with first grooves (19) and second grooves (20) for installing the heat exchange tubes (11); and if the cross section of each heat transfer fin (5) is in the W shape, the W-shaped parts each comprise two wings and a middle portion, the wings abut against the walls of the inner tubes (7), and the heat exchange tubes (11) are arranged at the middle portions. The parts, located in the header (2), of the heat exchange tubes (11) are provided with heat insulation bodies (12) used for isolating the parts from heat insulation materials (13) with which the header (2) is filled.
Description
Technical field
The present invention relates to application of solar, is specifically a kind of solar steam generating device.
Background technology
Solar energy utilizes as research and development of new sources of energy, the scientist of countries in the world from nineteen fifties, just how to absorb heat energy and the thermal power transfer of the sun, carry out a large amount of exploratory developments, the success of the eighties vacuum heat-collecting technology is that the utilization of solar energy creates condition, but vacuum solar heat-collecting pipe of the prior art mostly is cryogenic vacuum thermal-collecting tube, solar energy is just utilized to provide some domestic hot-waters to people, effective rate of utilization is low, at all cannot for needing the industrial and agricultural production service of high temperature heat in a large number, namely solar energy cannot be utilized to provide high temperature heat to produce steam, in existing a kind of inner condensation thermovoltaic vacuum tube, although the patent No. is 201220243897.7 have good Heat-collecting effect, but structure is comparatively complicated, heat conductivity is poor, the structural stability of thermal-collecting tube still has improvable place, application number 201010273232.6 solar steam quick generator, in use the temperature of heat-transfer pipe is too high, insulation material can be damaged, affect its service life, as improvement direction, design a kind of Heat-collecting effect good, stable performance, long-lived solar steam generating device, Solar use is significant.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the defect of prior art, provides a kind of Heat-collecting effect good, stable performance, long-lived solar steam generating device.
For solving the problems of the technologies described above, the present invention proposes a kind of solar steam generating device, it comprises header and thermal-collecting tube, thermal-collecting tube is connected with header, header is provided with at least one heat-exchange tube, and this heat-exchange tube sequentially enters the interior pipe of corresponding thermal-collecting tube and steam output end is positioned at outside header or header, and interior pipe box is connected to outer tube, be region of no pressure between interior pipe and outer tube, interior pipe is provided with the thermofin that cross section is arc or W shape; For arc, the outer surface of arc is provided with the first groove and the second groove of installing heat-exchange tube; For W shape, comprise both wings and middle part, described both wings are against the tube wall of interior pipe, and heat-exchange tube is located at middle part; The part being positioned at the heat-exchange tube of header is provided with the insulator separated by the insulation material that this part and header are filled.
After adopting said structure, compared with prior art, the present invention has the following advantages: when solar irradiation is mapped to solar energy heating vacuum tube, sunshine can be reflexed to interior pipe by the reflector between thermal-collecting tube and interior pipe in vacuum area, by the thermofin arranged in interior pipe, heat is passed to heat-exchange tube, water absorbs heat until boiling point, continue heat up thus produce steam after boiling, said structure heat-transfer path is short, therefore Heat-collecting effect is good, efficiency is high, the both wings of thermofin are against the tube wall of interior pipe, effectively deliver heat, serve again the effect supporting heat-exchange tube, improve the reliability of fixed structure, location is simple, and the insulator separated by the insulation material that this part and header are filled is provided with in the part of the heat-exchange tube being positioned at header, prevent temperature too high thus damage insulation material, extend the service life of insulation material, this kind of solar steam generating device can arrive 120 degrees Celsius to 200 degrees Celsius fast, can also by multiple solar steam generating device being in series or parallel connection, a large amount of saturated vapors can be produced, series connection can produce the steam of higher temperature in the unit interval, and parallel connection can provide more substantial steam in the unit interval, can supply and industrial production, the use of the scope such as agriculture and civilian.
As improvement, be provided with reflector in region of no pressure, reflector is arc, and sunshine, higher than the both sides of thermofin, like this, effectively can be reflexed to thermofin by the both sides of reflector.
As improvement, inner tube outer surface is provided with coating for selective absorption, like this, by outside unavailable for infrared ray etc. being isolated in, can improve the utilization rate of sunshine.
As improvement, header is provided with two heat-exchange tubes, the heat-exchange tube on the left side sequentially enters the interior pipe of each thermal-collecting tube on the left side, with left side symmetry, the heat-exchange tube on the right sequentially enters the interior pipe of each thermal-collecting tube on the right, like this, can have two steam output ends, improve the efficiency of steam generation, make structure compacter simultaneously.
As improvement, the part that heat-exchange tube enters interior pipe comprise into part and the part that goes out, the part entered and the part gone out form U-shaped path, and like this, simple and compact for structure, be conducive to the heat exchange of heat-exchange tube, it is more reasonable to arrange.
As improvement, thermal-collecting tube and header are all located on the support with angle of inclination, and like this, during work, in heat collector, the conduction of thermal field, in along inclined-plane ascendant trend, is conducive to the exchange of heat, improves exchange efficiency.
As improvement, water inlet end, the steam output end of heat-exchange tube distribute up and down along the inclined-plane of support, like this, because thermal field has along inclined-plane ascendant trend, are more conducive to the exchange of heat-exchange tube heat energy.
As improvement, the openend of thermal-collecting tube is provided with the sealing-plug be made up of heat-barrier material, like this, is beneficial to fixed set heat pipe, improves stability, has good heat insulation, heat resistance simultaneously, ensure long-term use.
As improvement, header is provided with a heat-exchange tube, and heat-exchange tube sequentially alternately enters the interior pipe of left and right thermal-collecting tube to form snakelike distribution, and like this, the path that during thermal-arrest, heat transmits is longer, and the steam quality of generation is higher, and the temperature and pressure of steam is higher.
As improvement, the middle part of thermofin is U-shaped or V-arrangement, and U-shaped or V-arrangement clamping heat-exchange tube, like this, structure is simple, and the fixing degree of reliability is high, can improve heat conducting efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is the top view of solar steam generating device of the present invention.
Fig. 2 is the front view of solar steam generating device of the present invention.
Fig. 3 is the pipeline schematic diagram after the thermal-collecting tube taking-up thermofin of solar steam generating device of the present invention.
Fig. 4 is the cutaway view Amplified image of the thermal-collecting tube W shape thermofin of solar steam generating device of the present invention.
Fig. 5 is the perspective structure schematic diagram of the heat-exchange tube case study on implementation one of solar steam generating device of the present invention.
Fig. 6 is the perspective structure schematic diagram of the heat-exchange tube case study on implementation two of solar steam generating device of the present invention.
Fig. 7 is the sectional view of the header A-A of solar steam generating device of the present invention.
Fig. 8 is the cutaway view Amplified image of the thermal-collecting tube arc thermofin of solar steam generating device of the present invention.
Shown in figure, 1, support, 2, header, 3, outer tube, 4, steam outlet pipe, 5, thermofin, 6, water inlet pipe, 7, interior pipe, 8, region of no pressure, 9, reflector, 10, heat absorbing coating, 11, heat-exchange tube, 12, insulator, 13, insulation material, 14, coating for selective absorption, 15, sealing-plug, 16, thermal-collecting tube, 17, water inlet end, 18, steam output end, the 19, first groove, the 20, second groove.
Detailed description of the invention
The present invention is further detailed explanation below:
Solar steam generating device of the present invention, it comprises header 2 and thermal-collecting tube 16, thermal-collecting tube 16 is connected with header 2, header 2 is provided with at least one heat-exchange tube 11, this heat-exchange tube 11 sequentially enters the interior pipe 7 of corresponding thermal-collecting tube 16 and steam output end 18 is positioned at outside header 2 or header 2, interior pipe 7 is socketed with outer tube 3, is region of no pressure 8 between interior pipe 7 and outer tube 3, and interior pipe 7 is provided with the thermofin 5 that cross section is arc or W type; For arc, the outer surface of arc is provided with the first groove 19 and the second groove 20 installing heat-exchange tube 11; For W type, comprise both wings and middle part, described both wings are against the tube wall of interior pipe 7, and heat-exchange tube 11 is located at middle part; The part being positioned at the heat-exchange tube 11 of header 2 is provided with the insulator 12 separated by the insulation material 13 that this part and header 2 are filled.
During use, water is filled by heat-exchange tube 11 by water inlet pipe 6, when solar irradiation is mapped to the thermal-collecting tube 16 be installed on the support 1 of gradient, sunshine can be reflexed to interior pipe 7 by the reflector 9 between thermal-collecting tube 16 and the interior pipe 7 of heat absorption in territory, region of no pressure 8, reflector 9 is curved, and the both sides of arc are higher than the both sides of thermofin 5, more sunlight can be reflexed to interior pipe 7 like this, increase the utilization rate of solar energy, the outer surface of interior pipe 7 is provided with coating for selective absorption 14, the light of the nonabsorables such as infrared ray can be completely cut off, after interior pipe 7 absorbs heat, the thermofin 5 of heat absorbing coating 10 is coated with in interior pipe 7, such as the thermofin 5 of W shape, the part that thermofin 5 and heat-exchange tube 11 enter thermal-collecting tube 16 is isometric, comprise both wings and middle part, both wings band is flexible, the middle part of U-shaped or V-arrangement is clamped with the heat-exchange tube 11 being marked with water, that interior pipe 7 absorbs by thermofin 5 and that absorbs heat itself transmits heat-exchange tube 11, water in heat-exchange tube 11 is constantly heated, because support 1 is with angle of inclination, the water inlet end 17 of heat-exchange tube 11, steam output end 18 distributes up and down along the inclined-plane of support, the thermal field conduction distribution in each thermal-collecting tube 16 is made to be along the trend that inclined-plane rises, thus produce circulation, more efficient heat exchange, arrive boiling point, boiling follow-up temperature of continuing rising thus produce steam, steam is derived by steam outlet pipe 4 by steam output end 18 again, owing to being directly connected by thermofin 5 between heat-exchange tube 11 with interior pipe, heat-transfer path is shorter, therefore heat transfer effect is better, efficiency is higher, both wings band such as the thermofin 5 of W shape is flexible, and against the tube wall of interior pipe 7, effectively deliver heat, and serve the effect supporting heat-exchange tube 11, because the volume of the thermofin 5 that expands with heat and contract with cold can change, because both wings band is flexible, there is compensating action effectively fix, improve reliability of structure, and structure is more simple, the insulator 12 for insulation material 13 and heat-exchange tube 11 being separated is provided with in header 2 inside, insulator 12 is heat insulation rock wool, owing to not being that insulation material 13 directly contacts pipeline, the temperature that produces during thermal-arrest can be prevented too high and damage insulation material 13, cause the reduced lifetime of insulation material 13, wherein a kind of paving mode of insulator 12 is, the insulator 12 that all covers up and down of heat-exchange tube 11 lays, insulation material 13 polyurethane of foaming type is injected again by hand-hole reserved on header 2, the rock wool 12 covering pipeline is pressed on the pipeline of heat-exchange tube 11, insulator 12 undulate after sizing compacting, such installation method can reduce some unnecessary operations, save manpower, insulator 12 paving mode varied, above-mentioned paving mode is the mode the most in layer superposed, be not limited to the manner.
Water inlet end 17, the steam output end 18 of heat-exchange tube 11 distribute up and down along the inclined-plane of support 1, water from top to bottom injects, and the conduction of heat energy is along inclined-plane ascendant trend, therefore, heat exchange is more efficient, and the openend of thermal-collecting tube 16 is provided with the sealing-plug 15 be made up of heat-barrier material.
The distribution embodiments of heat-exchange tube 11 is different according to the quantity of heat-exchange tube 11, embodiment one is provided with two heat-exchange tubes 11 for header 2, the heat-exchange tube 11 on the left side sequentially enters the interior pipe of each thermal-collecting tube 16 on the left side, with left side symmetry, the heat-exchange tube 11 on the right sequentially enters the interior pipe of each thermal-collecting tube 16 on the right., such distribution mode can have two steam output ends 18 simultaneously, improves the efficiency that steam exports, meets the different demands of user.
Embodiment two is a heat-exchange tube 11, a heat-exchange tube 11, heat-exchange tube 11 sequentially alternately enters a left side, the interior pipe 7 of right thermal-collecting tube 16 is to form snakelike distribution, this embodiment only has a steam output end 18, but steam is in the process produced, the path length transmitted, water obtains sufficient evaporation, the quality of the steam exported is high, the temperature of steam and pressure are also higher, this kind of solar steam generating device can arrive 120 degrees Celsius to 200 degrees Celsius fast, can also by being in series between each header 2, 50 thermal-collecting tubes 16 are one group, one group of module can produce the heat of 2KW, Heat-collecting effect is good, performance temperature, durable in use, can also by being in series between multiple solar steam generating device or parallel connection, a large amount of saturated vapors can be produced, series connection can produce the steam of higher temperature in the unit interval, and parallel connection can provide more substantial steam in the unit interval, can supply and industrial production, the use of the scope such as agriculture and civilian.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in present patent application scope change or modify, and are included in patent claim of the present invention.
Claims (10)
1. a solar steam generating device, it comprises header (2) and thermal-collecting tube (16), thermal-collecting tube (16) is connected with header (2), it is characterized in that, header (2) is provided with at least one heat-exchange tube (11), this heat-exchange tube (11) sequentially enters the interior pipe (7) of corresponding thermal-collecting tube (16) and steam output end (18) is positioned at header (2) or header (2) outward, interior pipe (7) is socketed with outer tube (3), be region of no pressure (8) between interior pipe (7) and outer tube (3), interior pipe (7) is provided with the thermofin (5) that cross section is arc or W type, for arc, the outer surface of arc is provided with the first groove (19) and the second groove (20) of installing heat-exchange tube (11), for W type, comprise both wings and middle part, described both wings are against the tube wall of interior pipe (7), and heat-exchange tube (11) is located at middle part, the part being positioned at the heat-exchange tube (11) of header (2) is provided with the insulator (12) separated by the insulation material (13) that this part and header (2) are filled.
2. solar steam generating device according to claim 1, it is characterized in that, be provided with reflector (9) in region of no pressure (8), reflector (9) is arc, and the both sides of reflector (9) are higher than the both sides of thermofin (5).
3. solar steam generating device according to claim 1, is characterized in that, described interior pipe (7) outer surface is provided with coating for selective absorption (14).
4. solar steam generating device according to claim 1, it is characterized in that, described header (2) is provided with two heat-exchange tubes (11), the heat-exchange tube (11) on the left side sequentially enters the interior pipe (7) of each thermal-collecting tube (16) on the left side, with left side symmetry, the heat-exchange tube (11) on the right sequentially enters the interior pipe (7) of each thermal-collecting tube (16) on the right.
5. solar steam generating device according to claim 1, is characterized in that, the part that described heat-exchange tube (11) enters interior pipe (7) comprise into part and the part that goes out, the part entered and the part gone out form U-shaped path.
6. solar steam generating device according to claim 1, is characterized in that, described thermal-collecting tube (16) and header (2) are all located on the support (1) with angle of inclination.
7. solar steam generating device according to claim 6, is characterized in that, water inlet end (17), the steam output end (18) of heat-exchange tube (11) distribute up and down along the inclined-plane of support (1).
8. solar steam generating device according to claim 1, is characterized in that, the openend of described thermal-collecting tube (3) is provided with the sealing-plug (15) be made up of heat-barrier material.
9. solar steam generating device according to claim 1, it is characterized in that, described header (2) is provided with a heat-exchange tube (11), and heat-exchange tube (11) sequentially alternately enters the interior pipe (7) of left and right thermal-collecting tube (16) to form snakelike distribution.
10. solar steam generating device according to claim 1, is characterized in that, the middle part of described thermofin (5) is U-shaped or V-arrangement, U-shaped or V-arrangement clamping heat-exchange tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749681.6A CN105371258A (en) | 2015-11-06 | 2015-11-06 | Solar steam generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749681.6A CN105371258A (en) | 2015-11-06 | 2015-11-06 | Solar steam generation device |
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| Publication Number | Publication Date |
|---|---|
| CN105371258A true CN105371258A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510749681.6A Pending CN105371258A (en) | 2015-11-06 | 2015-11-06 | Solar steam generation device |
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| CN (1) | CN105371258A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062356A (en) * | 2017-03-21 | 2017-08-18 | 王强 | A kind of connection in series-parallel efficient heat-collecting system |
| CN112833565A (en) * | 2021-01-22 | 2021-05-25 | 赣州能创智能科技有限公司 | Efficient heat collection method of vacuum heat pipe |
| CN112833566A (en) * | 2021-01-22 | 2021-05-25 | 赣州能创智能科技有限公司 | High-efficiency vacuum heat pipe collector |
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| CN204902272U (en) * | 2015-07-28 | 2015-12-23 | 江苏启能新能源材料有限公司 | Phase transition heat -retaining formula solar water heating system |
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| JPH07166957A (en) * | 1993-11-06 | 1995-06-27 | Shiroki Corp | Stirling engine |
| CN201090959Y (en) * | 2007-08-01 | 2008-07-23 | 夏建宏 | Superconducting heat pipe fin |
| CN201093775Y (en) * | 2007-08-23 | 2008-07-30 | 黄鑫 | Glass vacuum metal tube type solar heat collector |
| CN201259336Y (en) * | 2008-07-08 | 2009-06-17 | 赵耀华 | Novel flat-plate solar heat collector |
| CN202018152U (en) * | 2011-04-11 | 2011-10-26 | 日出东方太阳能股份有限公司 | Heat conduction aluminum wing of solar heat collector with U-shaped tubes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107062356A (en) * | 2017-03-21 | 2017-08-18 | 王强 | A kind of connection in series-parallel efficient heat-collecting system |
| CN112833565A (en) * | 2021-01-22 | 2021-05-25 | 赣州能创智能科技有限公司 | Efficient heat collection method of vacuum heat pipe |
| CN112833566A (en) * | 2021-01-22 | 2021-05-25 | 赣州能创智能科技有限公司 | High-efficiency vacuum heat pipe collector |
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Application publication date: 20160302 |