WO2011098622A1 - Nuevo dispositivo compensador de expansión y procedimiento de fabricación del mismo - Google Patents
Nuevo dispositivo compensador de expansión y procedimiento de fabricación del mismo Download PDFInfo
- Publication number
- WO2011098622A1 WO2011098622A1 PCT/ES2010/000455 ES2010000455W WO2011098622A1 WO 2011098622 A1 WO2011098622 A1 WO 2011098622A1 ES 2010000455 W ES2010000455 W ES 2010000455W WO 2011098622 A1 WO2011098622 A1 WO 2011098622A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- bellows
- compensating device
- expansion
- expansion compensating
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 11
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 239000006096 absorbing agent Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/10—Protective covers or shrouds; Closure members, e.g. lids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/80—Accommodating differential expansion of solar collector elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/70—Sealing means
-
- 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
-
- 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
Definitions
- the present invention describes an expansion compensation device of those used in high concentration solar energy receiving tubes.
- the general principle of solar thermal technology is based on the concept of the concentration of solar radiation to produce steam, which is later used in conventional power plants.
- linear concentrators The linear concentration is easier to install with fewer degrees of freedom, but has a lower concentration factor and therefore can achieve lower temperatures than point concentration technology.
- the invention in question revolves around one of the elements that are part of said receiver tubes namely, it is the expansion compensation device.
- a receiver tube In general, a receiver tube consists of two concentric tubes between which vacuum is generated.
- the inner tube, through which the fluid that is heated circulates, is metallic and the outer tube is made of glass, usually borosilicate.
- the element described here the expansion compensating device, is placed between both tubes in a way that allows movement in the longitudinal direction of the tubes and guarantees the vacuum, absorbing the stresses that would be created by the difference between the coefficients of expansion of metal and glass.
- the compensation element of the expansion consists of a folding bellows that joins the metallic tube by a connection element and to the glass tube by a glass-metal transition element.
- Said connecting device has a series of drawbacks.
- One of them is the decrease in the performance of the system because a portion of a more or less long glass tube is covered in its interior by this bellows, so that solar radiation does not penetrate the metal tube.
- the present invention aims to devise a new compensation device that meets the requirements for this type of elements and at the same time improve its performance for products on the market.
- the invention consists in designing a new compensation device for receiver tubes that solves the deficiencies observed in the existing ones up to now.
- the new device consists of a bellows, such as those existing in the state of the art, but to which the simple wave has been replaced by a double wave also having an asymmetrical distribution of these.
- the device in this way designed, would occupy 36% less than the current which means that approximately 2% of the total length of the tube is covered and does not penetrate the sun through it, compared to 4% that is covered with the devices used Until now.
- the gain in fluid temperature would be between 0.95 and 1.2 ° C.
- Another of the modifications that has been made has been to decrease the height of the waves of the bellows passing from a height of 52.8 mm in the existing pipes to a height of 34 mm in the new development, which supposes a reduction in height of 35.6 %.
- Another of the improvements that have been studied is to vary the wave distribution of the fire.
- the wave that works the most is the second wave closest to the top and that is where a higher height is required, since it is unnecessary for all bellows waves to have the maximum height, a bellows can be manufactured that has lower the waves of the ends and higher the central waves, in this way, the diameter of the glass tube can be decreased maintaining the same properties in the connection device. This decrease in the diameter of the glass tube translates into saving of borosilicate material, lower cost in the generation of vacuum, and lower thermal losses.
- Figure 1 General view of a solar energy receiver tube
- Figure 5 Section A of figure 4
- the expansion compensating device is part of a solar energy receiving tube (1) as shown in said figure.
- These tubes (1) usually have an approximate length of about 4 meters and are located in the linear focus of a parabolic trough collector by means of supports (2) as shown in the figure, in this way, the height of the tube with respect to the ground varies with the monitoring of the collector to the sun, being located in a range of 4 to 5.5 m.
- the tube (1) is formed, generally, by a metal tube (3) through which the heat transfer fluid circulates . That tube (3) is surrounded by a glass cover (4), generally borosilicate and leaving a space with vacuum (5) between both tubes. In this space (5) the vacuum is generated to avoid heat losses.
- the expansion compensating devices (6) are placed in the form of double bellows, which are responsible for compensating the difference of coefficients of expansion between the glass (4) and the metal ( 3), allowing movements in the longitudinal direction.
- the tube ends with a piece (7) in the form of a lid.
- Figure 3 corresponds to an isometric view
- Figure 4 shows a plan view
- Figure 5 shows a section of the expansion compensating device.
- Figure 6 shows detail B of the device. Here it is verified that it is designed with a double bellows, so that the waves of the outer bellows (9) are facing the glass tube (4) and those of the inner bellows (10) to the metal tube (3).
- Figure 7 contains the detail C indicated in figure 5. It shows how the finishing of one of the ends of the device (6) is carried out.
- the manufacturing process of the expansion compensating device consists in the manufacture of two concentric bodies using the hydroforming technique.
- Basic- It is a process of shaping a material (usually a metal) by the action of a high-pressure fluid.
- the most common application consists of forming a steel tube against the walls of a matrix that has the shape of a bellows, by introducing a fluid at high pressure.
- a simultaneous axial compression can also be used to avoid excessive thinning of the tube thickness in areas subjected to a strong expansion. Both pieces thus obtained are welded by microplasma to a metallic ring of the same material to define the final assembly of the expansion compensating mechanism.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Photovoltaic Devices (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Aerials With Secondary Devices (AREA)
- Joining Of Glass To Other Materials (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Joints Allowing Movement (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10845612.0A EP2500672A4 (en) | 2009-11-12 | 2010-11-11 | Novel expansion compensation device and method for manufacture thereof |
US13/509,274 US8607780B2 (en) | 2009-11-12 | 2010-11-11 | Expansion compensation device and method for manufacture thereof |
MX2012005470A MX2012005470A (es) | 2009-11-12 | 2010-11-11 | Nuevo dispositivo compensador de expansion y procedimiento de fabricacion del mismo. |
CN201080051481.9A CN102648382B (zh) | 2009-11-12 | 2010-11-11 | 新型膨胀补偿装置 |
MA34900A MA33769B1 (fr) | 2009-11-12 | 2012-05-28 | Nouveau dispositif compensateur de dilatation et son procédé de fabrication correspondant |
ZA2012/04005A ZA201204005B (en) | 2009-11-12 | 2012-05-31 | Novel expansion compensation device and method for manufacture thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200902157 | 2009-11-12 | ||
ES200902157A ES2359560B1 (es) | 2009-11-12 | 2009-11-12 | Nuevo dispositivo compensador de expansión y procedimiento de fabricación del mismo. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011098622A1 true WO2011098622A1 (es) | 2011-08-18 |
Family
ID=43971729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2010/000455 WO2011098622A1 (es) | 2009-11-12 | 2010-11-11 | Nuevo dispositivo compensador de expansión y procedimiento de fabricación del mismo |
Country Status (10)
Country | Link |
---|---|
US (1) | US8607780B2 (es) |
EP (1) | EP2500672A4 (es) |
CN (1) | CN102648382B (es) |
CL (1) | CL2012001235A1 (es) |
ES (1) | ES2359560B1 (es) |
MA (1) | MA33769B1 (es) |
MX (1) | MX2012005470A (es) |
SA (1) | SA110310853B1 (es) |
WO (1) | WO2011098622A1 (es) |
ZA (1) | ZA201204005B (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014031909A (ja) * | 2012-08-01 | 2014-02-20 | Toyota Industries Corp | 太陽熱集熱管 |
WO2014102405A1 (es) | 2012-12-27 | 2014-07-03 | Abengoa Solar New Technologies, S.A. | Dispositivo de unión entre tubos receptores solares contiguos |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009045100A1 (de) * | 2009-09-29 | 2011-04-07 | Schott Solar Ag | Absorberrohr |
ES2370327B1 (es) * | 2009-11-12 | 2012-09-27 | Abengoa Solar New Technologies, S.A. | Elemento aislante del dispositivo de compensación de expansión y procedimiento de fabricación del mismo. |
ES2462840B1 (es) * | 2012-11-22 | 2015-05-14 | Abengoa Solar New Technologies S.A. | Dispositivo compensador de expansión con vaso posicionador |
CN103062943B (zh) * | 2013-01-31 | 2014-07-16 | 山东威特人工环境有限公司 | 太阳能集热器用不锈钢保温管 |
DE102013201939A1 (de) * | 2013-02-06 | 2014-08-07 | Sunoyster Systems Gmbh | Solaranlage |
CN105716304A (zh) * | 2014-12-01 | 2016-06-29 | 北京有色金属研究总院 | 一种金属-玻璃直封式太阳能高温集热管 |
CN107062660B (zh) * | 2017-05-26 | 2023-01-13 | 南京诚远太阳能科技有限公司 | 金属直通真空集热管的端部密封结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6705311B1 (en) * | 2001-11-13 | 2004-03-16 | Solel Solar Systems Ltd. | Radiation heat-shield for solar system |
US7013887B2 (en) * | 2002-07-08 | 2006-03-21 | Schott Ag | Absorber pipe for solar heating applications |
US20070034204A1 (en) * | 2005-05-09 | 2007-02-15 | Thomas Kuckelkorn | Tubular radiation absorbing device for solar heating applications |
CN101245954A (zh) * | 2008-01-17 | 2008-08-20 | 南京工业大学 | 用于槽式线聚焦太阳能集热器的金属管接收器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE277612C (es) * | ||||
US3051515A (en) * | 1960-08-17 | 1962-08-28 | Aeroquip Corp | Pressure compensating expansion joint |
US4326502A (en) * | 1975-04-07 | 1982-04-27 | Ljubomir Radenkovic | Solar energy collecting system |
AU569478B2 (en) * | 1982-09-30 | 1988-02-04 | Solar Engineering Pty. Ltd. | Solar apparatus |
JPS60137248U (ja) * | 1984-02-24 | 1985-09-11 | トヨタ自動車株式会社 | 空気ばね |
JPS62100389U (es) * | 1985-12-14 | 1987-06-26 | ||
DE10158877A1 (de) * | 2001-11-30 | 2003-06-12 | Iwka Balg Und Kompensatoren Te | Verfahren und Vorrichtung zum Verbinden von Teilen einer Abgasanlage |
JP2009174604A (ja) * | 2008-01-23 | 2009-08-06 | Jeol Ltd | 除振機構 |
ES2361103B1 (es) * | 2009-10-05 | 2012-03-23 | Abengoa Solar New Technologies, S.A. | Método de fabricación de un tubo receptor de energía solar y tubo así fabricado. |
-
2009
- 2009-11-12 ES ES200902157A patent/ES2359560B1/es not_active Expired - Fee Related
-
2010
- 2010-11-10 SA SA110310853A patent/SA110310853B1/ar unknown
- 2010-11-11 MX MX2012005470A patent/MX2012005470A/es active IP Right Grant
- 2010-11-11 US US13/509,274 patent/US8607780B2/en not_active Expired - Fee Related
- 2010-11-11 WO PCT/ES2010/000455 patent/WO2011098622A1/es active Application Filing
- 2010-11-11 EP EP10845612.0A patent/EP2500672A4/en not_active Withdrawn
- 2010-11-11 CN CN201080051481.9A patent/CN102648382B/zh not_active Expired - Fee Related
-
2012
- 2012-05-11 CL CL2012001235A patent/CL2012001235A1/es unknown
- 2012-05-28 MA MA34900A patent/MA33769B1/fr unknown
- 2012-05-31 ZA ZA2012/04005A patent/ZA201204005B/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6705311B1 (en) * | 2001-11-13 | 2004-03-16 | Solel Solar Systems Ltd. | Radiation heat-shield for solar system |
US7013887B2 (en) * | 2002-07-08 | 2006-03-21 | Schott Ag | Absorber pipe for solar heating applications |
US20070034204A1 (en) * | 2005-05-09 | 2007-02-15 | Thomas Kuckelkorn | Tubular radiation absorbing device for solar heating applications |
CN101245954A (zh) * | 2008-01-17 | 2008-08-20 | 南京工业大学 | 用于槽式线聚焦太阳能集热器的金属管接收器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2500672A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014031909A (ja) * | 2012-08-01 | 2014-02-20 | Toyota Industries Corp | 太陽熱集熱管 |
CN104508396A (zh) * | 2012-08-01 | 2015-04-08 | 株式会社丰田自动织机 | 太阳热集热管 |
EP2881681A4 (en) * | 2012-08-01 | 2015-07-29 | Toyota Jidoshokki Kk | SOLAR HEAT COLLECTION TUBE |
US9903612B2 (en) | 2012-08-01 | 2018-02-27 | Kabushiki Kaisha Toyota Jidoshokki | Solar heat collection tube |
WO2014102405A1 (es) | 2012-12-27 | 2014-07-03 | Abengoa Solar New Technologies, S.A. | Dispositivo de unión entre tubos receptores solares contiguos |
Also Published As
Publication number | Publication date |
---|---|
US20120299289A1 (en) | 2012-11-29 |
EP2500672A1 (en) | 2012-09-19 |
ZA201204005B (en) | 2013-02-27 |
US8607780B2 (en) | 2013-12-17 |
CN102648382A (zh) | 2012-08-22 |
SA110310853B1 (ar) | 2014-06-08 |
CL2012001235A1 (es) | 2012-12-21 |
CN102648382B (zh) | 2014-09-17 |
ES2359560B1 (es) | 2011-12-13 |
MA33769B1 (fr) | 2012-11-01 |
EP2500672A4 (en) | 2017-01-18 |
ES2359560A1 (es) | 2011-05-24 |
MX2012005470A (es) | 2012-09-07 |
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