EP4081743A1 - Récepteur - Google Patents
RécepteurInfo
- Publication number
- EP4081743A1 EP4081743A1 EP20839215.9A EP20839215A EP4081743A1 EP 4081743 A1 EP4081743 A1 EP 4081743A1 EP 20839215 A EP20839215 A EP 20839215A EP 4081743 A1 EP4081743 A1 EP 4081743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- receiver
- window
- opening
- arrangement
- designed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006096 absorbing agent Substances 0.000 claims abstract description 45
- 238000012423 maintenance Methods 0.000 claims description 27
- 230000005855 radiation Effects 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000005336 cracking Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000006479 redox reaction Methods 0.000 claims description 3
- 101100210287 Drosophila melanogaster wech gene Proteins 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000004071 soot Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005457 Black-body radiation Effects 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011852 carbon nanoparticle Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/80—Arrangements for controlling solar heat collectors for controlling collection or absorption of solar radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
-
- 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
-
- 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
- F24S40/20—Cleaning; Removing snow
-
- 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
- F24S40/50—Preventing overheating or overpressure
- F24S40/55—Arrangements for cooling, e.g. by using external heat dissipating means or internal cooling circuits
-
- 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
- F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
Definitions
- the present invention relates to a receiver according to the preamble of claim 1.
- Such receivers are used in a solar power plant, in particular a solar tower power plant.
- These include, for example, volumetric receivers according to WO 2018/205 043, which absorb the solar radiation reflected by a field of heliostats and thereby heat a heat-transporting fluid, the heat of which can then be used industrially, for example as process heat or for the generation of superheated steam for operating steam turbines connected to a generator.
- receiver reactor for the production of synthesis gas or simply syngas in the production of liquid or gaseous hydrocarbon fuels or for cracking hydrocarbon gases.
- the cracking of methane is considered to be a possible technology of the future, since the reaction CH -> C + 2 H takes place in the absence of oxygen, i.e. does not release any CO2 emissions.
- the hydrogen produced serves as an energy carrier, while the carbon is used industrially for the manufacture of products such as carbon black, graphite, diamonds, carbon fibers, conductive plastics and tires.
- temperature ranges are required which are above 1000 ° C. and, for example, reach up to 2000 ° C. or above.
- receiver Only the term "receiver” is used for both a receiver and a receiver-reactor, since the window arrangement according to the invention can be used in principle on all types of receivers, including receivers (or receiver-reactors) that are not absorptive receivers of WO 2018/205043.
- FIG. 2 shows a first embodiment of a window arrangement according to the invention
- FIG. 3 shows a second embodiment of a window arrangement according to the invention
- FIG. 4 shows a third embodiment of a window arrangement according to the invention
- FIG. 5 shows a third embodiment of a window arrangement according to the invention
- Figure la shows schematically a solar tower power plant 1, with a field of fleliostats 2, which in a known manner, concentrate rays 3 of the sun on a receiver 4 with a window arrangement according to the invention, omitted to relieve the figure, which is on its part on a tower 5 is arranged.
- the receiver 4 can be designed to heat a heat-transporting fluid, in which case this (solar) heat can then be used industrially, e.g. to generate steam in a turbine or for industrial processes that require heat.
- this (solar) heat can then be used industrially, e.g. to generate steam in a turbine or for industrial processes that require heat.
- the receiver is preferably, but not necessarily, designed as an absorptive receiver in which the ratio c of the temperature increase (T 3 - T2) due to absorption of radiation versus the total temperature increase (T 4 - T2) due to absorption and convection is particularly preferred at the absorber is> 0.3 or> 0.6 or> 0.8.
- receiver 4 according to the as yet unpublished PCT / CFI2019 / 050009, it is also possible to provide this as a receiver reactor for the generation of, for example, syngas or according to the as yet unpublished CH 1407/19 for the cracking of hydrocarbon gases etc. , see Figure 1c and the description thereof.
- spatially designed receivers are essentially used which are suitable for high temperatures, such as those achieved, for example, at a concentration of 500 suns, 1000 suns or more. Such temperatures are usually above 800 K, and in the near future they can reach 1000 K, 1500 K or more, whereby it is expected that temperatures of 1800 K or 2000 K, for example in syngas production, will not only reach, but also very soon also be exceeded.
- Figure lb shows schematically the structure of a trained as a spatial receiver trained absorptive receiver 4 for heating heat-transporting fluid, which, as mentioned above, is described in WO 2918/205043.
- Solar radiation 3 concentrated by the fleliostat 2 enters the receiver 4 through a window 10 and falls on an absorber 11, the surface 11 'of which heats up accordingly, the temperature of which can exceed 2000 ° C. depending on the intended use.
- the highly heated surface 11 'of the absorber 11 thus radiates back in the infrared range against the window 10, see the arrows 12 symbolizing the infrared radiation.
- this infrared radiation 12 is absorbed by heat-transporting fluid, which at the inlet temperature T, h Flows into the absorption space 15 via inlet connection 14 (connected to the line 8, FIG.
- the absorber 11 can be designed as a reactor element in order to allow a redox reaction to take place, for example for the produc tion of syngas. Then designed as a redox reactor absorber 11 has a reducible and oxidizable material for a reduction and an oxidation process, preferably Ce0 2 , which can be reduced at elevated temperature or oxidized in the presence of an oxidizing gas. As an infrared absorbing gas, for example, C0 2 or what water vapor can then be used.
- the temperature of the absorber 14 can be reduced or increased in a targeted manner, so that the following redox reaction occurs:
- the absorber 14 As the temperature rises, the absorber 14 is increasingly reduced (ie it loses oxygen), the extent of the reduction depending on the temperature of the absorber 14 and the oxygen partial pressure prevailing there.
- the equation CeO (2-6 0x ) applies to the reduction -> CeO (2-6r ed ) + (d Ge ⁇ -d 0c ) 0, since the absorber 14 does not emit the oxygen stoichiometrically.
- the reduction could basically take place in a vacuum, but preferably in the presence of water vapor, which prevents the back radiation of the absorber 14 through the optical opening 13 and removes the oxygen (d Ge ⁇ -d 0c ) 0 with it from the receiver, for example to an in the line 6 ( Figure la) provided separation station.
- the absorber 14 As the temperature falls, the absorber 14 is increasingly oxidized (ie it absorbs oxygen), the degree of oxidation in turn depending on the temperature of the absorber 14 and the oxygen partial pressure prevailing there. Oxygen is supplied by the heat trans porting fluid, ie here the water vapor (the oxygen released during the reduction has been transported away from the receiver reactor).
- the equation CeO (2-6red) + (dhe ⁇ -do c ) FI20 -> CeO (2-6 0 x) + (d Ge ⁇ -d 0c ) F l 2 applies to the oxidation, since the absorber 14 does not supply the oxygen stoichiometrically records.
- H2 ie hydrogen, has formed, which in turn is carried away by the heat-transporting fluid to the separation station 9 (FIG. 1), where it is separated and made available as syngas.
- the non-stoichiometric d denotes the amount of oxygen lost in each case from Ce0 2 , ie the respective "reduction” or “oxidation state” which, as he mentioned, depends on the oxygen partial pressure and the temperature. From the point of view of a concrete redox process, there is a reduction state with a larger d and an oxidation state with a smaller d.
- the temperatures T can be 1000 ° C. or higher, so that the window 10 cannot fall below this temperature during operation. In addition, it is achieved by infrared radiation 12, which is minimal but cannot be completely avoided. Finally, it absorbs a small proportion of the solar radiation 3. As a result, the window 10 has operating temperatures which are still above T in , which makes considerable demands on the material used and can impair its service life.
- FIG. 1c shows schematically the structure of a receiver 20 designed for cracking hydrocarbon gases, which in turn is designed as an absorptive receiver of the type according to WO 2918/205043. Shown is a longitudinal section through receiver 20 according to a first embodiment with a flow channel 21 passing through it for a process gas, symbolized by arrows 22, 23, which flows from an opening 25 closed by a window 10 for the rays 3 of the sun to an outlet 8 from the receiver 20 leads. The rays 3 of the sun fall through the opening 25 into an absorber area 26 of the receiver 20, which is thus heated in the path of the incident radiation from the sun and thus. Individual absorber plates 27 are connected to one another by struts 28 and suspended in the flow channel 21, and thus form the absorber 29.
- the absorber plates 27 are arranged in such a way that they are opposite the opening 25 and thus the absorber 29 over its entire extent in operation from directly upwards it is illuminated by incident solar radiation 3. Furthermore, the plates 27 are arranged offset to one another, so that the process gas and the process products can easily flow through between the absorber plates 27 - the absorber area 26 and the absorber 29 can be flowed through by the process gas.
- a hydrocarbon gas such as methane is fed as a process gas via a feed line 30 to the receiver 20 designed as a receiver reactor, preferably (but not necessarily) preheated in a heat exchanger 31 and fed via a transport line 32 into a ring line 33 provided at the opening 25 , from which it is symbolized by the arrow 23 and output via supply channels 34 into the flow channel 21.
- the absorber 29 heated by the solar radiation 3 emits black body radiation in the infrared range, symbolized by the arrows 35.
- the process gas flowing in the flow channel according to the arrows 22, here methane is highly transparent for the solar radiation 3, but absorbs the black body radiation 35 and heats up so absorptive.
- the person skilled in the art can now adjust the flow velocity of the methane together with the dimensions of the flow channel 21 and the radiation intensity of the absorber 29 in such a way that the methane is heated to its cracking temperature on its way to the absorber 29 in a first area 36 of the flow channel 21, in a subsequent, second, downstream flow area 37 is heated above the cracking temperature and is heated even further in a third, further downstream flow area 38 of the flow channel 21, the third flow area 38 corresponding to the absorber area 26.
- the methane comes into physical contact via the cross section of the flow channel 21 with the absorber 29, which acts as a reaction accelerator for the dissociation of the methane through physical contact, i.e.
- the formation of the carbon nanoparticles begins to some extent in the first area 36 and slowly builds up in the second area, a proportion of the nanoparticles can be deposited on the absorber 10, here on the absorber plates 11, and settle there as a soot layer .
- This is harmless for the continuous cracking of the freshly fed methane, since carbon or soot has the preferred properties of the absorber material: it is black, ie highly absorptive for the incident solar radiation 7, emits the desired (infrared) black body radiation after heating and is temperature resistant in the range up to well over 2000 C °.
- the geometry of the absorber 29 also changes with regard to its throughflow properties to a degree at which the cracking is impaired. The deposit must then be removed accordingly by means of a (cyclical) maintenance step.
- a second process gas is fed into the reactor receiver 1 via a second feed line 40 via the second transport line 41, fed to a second ring line 43 and output from this via second supply channels 44 into the flow channel 2 as indicated by the arrows 23.
- the second process gas is preferably a reducible or oxidizing gas, particularly preferably water vapor, which heats up absorptively in the first 36 and second area 37 and then chemically reacts in the absorber zone 38 with the carbon deposited on the absorber 29, according to the equation HO + C -> CO + H.
- the receiver reactor is then also productive during maintenance and produces syngas as a raw material for synthetic fuel.
- the hydrogen production is not interrupted, whereby with the unchanged use of hydrogen (compared to cracking) the carbon monoxide can be used, for example, for the production of methanol or other liquid hydrocarbons, for example by means of Fischer-Tropsch synthesis.
- isolated soot particles also reach the window 10 and can accumulate over a certain period of operation in such a way that the efficiency of the receiver 20 is impaired and the window itself by the absorption of the radiation 3 on the soot particles is heated considerably above its operating temperature.
- FIG. 2 shows on the left side a receiver 50 with a Konan arrangement 51 according to the invention in a view of a window 52 illuminated by the sun, a section plane AA being drawn in this view.
- the receiver 50 is shown in a section along the plane AA, which is designed here as an absorptive receiver according to the concept shown in FIGS. 1b or 1c.
- the details of the receiver 50 itself are omitted to relieve the figure and only its opening 52, the absorption space 54, an absorber 55, the insulating wall 56 of the receiver 50 and the outlet connection 57 are shown schematically.
- the interchangeable arrangement 51 is designed as a disc structure 59 which is rotatably mounted in its center 58 and which forms a holder for the windows 60, 61 and 62.
- the windows 52, 60 to 62 are isolated, net angeord along the circumference of the disc.
- the window 52 covering the opening 53 is replaced by another window, here the window 62.
- the result is a receiver with an absorber and an opening for the sunbeams falling on the absorber during operation, a window being provided that covers the opening, with an alternating arrangement for the window covering the opening through another window. If the pane structure or the holder for the window is now rotated in a predetermined cycle during operation of the receiver (due to contamination, temperature, aging or defects in the window, etc.), the window 61 and then the window 60 brought into the operating position on the opening 53 until finally the configuration shown in the figure again exists, in which the window 52 is arranged in the opening 53. This change in the window 52, 60 to 61 takes place in a predetermined manner, as mentioned, but can also be triggered spontaneously in the event of defects.
- the interchangeable arrangement preferably has a number of windows and a fold for these, the fold being designed to be movable relative to the receiver in such a way that, during operation, one window after the other covers the opening in a predetermined change.
- the window 61 is located outside the opening 53 and in a maintenance station 65, in which, in the embodiment shown, nozzles 66 of a cleaning device are arranged which spray a cleaning agent which cleans the window 61.
- nozzles 66 of a cleaning device are arranged which spray a cleaning agent which cleans the window 61.
- the result is a receiver that preferably has a maintenance arrangement for another transparent window located outside the opening, the maintenance arrangement also preferably having a cleaning device for a window located outside the opening.
- the figure shows that the maintenance arrangement 65 is cleaning the window on the inside facing the receiver 50. In an embodiment not shown, cleaning is also provided on the outside of the window.
- FIG. 3 shows a further embodiment of the receiver 50 with a changing device 70.
- a view of the side of the opening 53 of the computer 50 illuminated by the sun is shown on the left-hand side of the figure and a section corresponding to the plane is shown on the right-hand side BB.
- the individual windows 52, 60 to 62 of FIG. 2 are designed as areas 71 to 74 of a single transparent ring window 75.
- Such areas are also referred to in the present case as “windows”, since these areas are brought over the opening 53 of the receiver 50 and there represent an operational window for the latter.
- the transparent ring window 75 can be rotated step by step, which is an operation according to FIG or continuously, so that a window or area 71 to 74 of the ring window 71 corresponding to a window 52, 60 to 62 (FIG. 2) runs continuously through the opening 53 of the receiver.
- the person skilled in the art can (as in all exemplary embodiments according to the invention at all) in a specific case suitably determine the arrangement of the windows or areas in the ring window and its mode of movement.
- a receiver then results in which the interchangeable arrangement is preferably designed as a disc structure that can be rotated around its center and forms a fold for the window, in which the windows are formed as areas of a single transparent ring (or ring section).
- the maintenance station 75 is shown here schematically with a cooling device for the area 73, a curtain 76 of cooling fluid being shown schematically.
- the maintenance station 75 can, however, as in all embodiments according to the invention with an maintenance station, in the specific case be designed by a person skilled in the art with suitable means for the maintenance of a window or window area (cooling, cleaning, etc.).
- FIG. 4 shows a further embodiment of the receiver 50 with a changing device 80. Again, a view of the side of the opening 53 of the computer 50 illuminated by the sun is shown on the left-hand side of the figure and a section corresponding to the plane is shown on the right-hand side CC.
- the changing station 80 is provided with an outer cover 81 which, in the embodiment shown, covers the pane structure with the ring window 71 (FIG. 3) and preferably seals it gas-tight from the outside world.
- the cover 81 has an outer window 82 which lies over the opening 53 of the receiver 50. Since an embodiment with a ring window 71 is shown in FIG. 3, a window area 71 at the location of the outer window 82 can also be seen.
- the cover 81 with the outer window 82 can be used, for example, to create a gas-tight space in the exchange station 80 at least in the area of the opening 53 of the receiver 50, which is advantageous if the heat-transporting fluid of the receiver 50 circulates under pressure during operation.
- the outside of the ring window 71 can be kept free of dust or other deposits from the environment.
- the result is a receiver in which the alternating arrangement between the window covering the opening and the outside world has a further outer window which extends over the opening and which is preferably fixed to the receiver in a gas-tight manner.
- the interchangeable arrangement can of course have instead of the ring window 71 windows 52, 60 to 62 (FIG. 2) or another configuration of windows not shown in the figures.
- maintenance stations 83 to 85 are shown in FIG. 4 by the dashed lines, here for different functions, for example the maintenance station 83 for cooling, and the maintenance stations 84 and 85 for two cleaning or processing steps for the windows or window areas 71 to 74.
- FIG. 5 shows a further embodiment of the receiver 50 with a changing device 90. Again, a view of the side of the opening 53 of the computer 50 illuminated by the sun is shown on the left-hand side of the figure and a section corresponding to the plane is shown on the right-hand side DD.
- the alternating arrangement is designed as a strip-shaped flap 90 for windows 91 to 95 arranged individually in it.
- the strip-shaped folds 90 can be shifted according to the double arrow 96 so that all windows 91 to 95 can be brought to the location of the opening 53 of the receiver 50.
- an elongated window can also be provided here, which extends over the length between the windows 91 and 95. It is also possible to provide two, then half as long windows instead of a single elongated window.
- Maintenance stations 97, 98 are then provided on both sides of the receiver 50 and are formed as described above with reference to FIGS. 2 to 4.
- the strip-shaped holder 90 can be provided analogously to the design of the interchangeable arrangement 80 according to FIG. 4, with an outer cover and then with an outer window at the location of the opening 53 of the receiver 50.
- the person skilled in the art can determine the number of individual windows or the length of an elongated window as required in a specific case.
- a blind, for example, heat-insulating window 52, 60 to 62, 91 to 95 or window area 71 to 84 is provided to the receiver 50 in the event of cloudiness or overnight if productive operation is interrupted must be protected from cooling down.
- this window can also be designed to reflect light towards the interior of the receiver 50 (which, due to the high temperatures in the receiver 50, includes both visible light and IR radiation).
- a heat-insulating window primarily has a low thermal conductivity, since absorbed radiation from the inside of the receiver 50 heats its inside, but this heat should reach the outside of the receiver 50 as slowly as possible, where it is then released to the outside world and thus cools the receiver 50. This then results in a receiver in which the interchangeable arrangement preferably has a heat-insulating window and / or a window that reflects light towards the interior of the receiver or a non-transparent window area.
- another window 52, 60 to 62, 71 to 74, 75 is formed as an opening or hole in the Kiran order, so that the absorption space 54 is then directly connected to the outside world.
- This is advantageous because basically every window covering the opening 25 to the absorption space 15,54 absorbs the incident radiation to a small degree itself, which is undesirable, but is accepted because, without a window, environmental influences such as wind etc., the flow conditions in the Interfere with receiver 50 and thus reduce its efficiency.
- the windows 91 to 95 according to FIG. 5 or one of the windows 60 to 62 according to FIG. 2 it can be designed as an opening or hole.
- an opening corresponding to the opening 53 of the receiver 50 can be provided, which as a hole in the ring window 75 allows a direct connection between the absorption space 15, 54 and the outside world. This preferably results in a receiver 50 in which the interchangeable arrangement has a window designed as a hole for the opening 52 of the receiver 50.
- the rotation or the translational movement of the holder of the window or window areas is controlled in such a way that a window that was once defective no longer passes through the opening 53 of the receiver 50, so that the operation of the receiver 50 despite a defective one Window (or window area for example on a ring window 71) can be maintained.
- the changing arrangement is operably connected to a separately arranged maintenance station, so that only the window at the opening 53 is replaced in the changing arrangement, but the maintenance or replacement of windows takes place in the separate maintenance station .
- a solar power plant with a receiver which has a Senan arrangement for the window that covers the opening of the receiver through another window.
- the solar power plant then preferably has a maintenance station which is separate from the interchangeable arrangement and which is further preferably provided with a magazine for windows.
- a method for maintaining a window designed for the incidence of solar radiation in a receiver is provided, with a maintenance-requiring window being replaced by another non-maintenance-requiring window during operation of the receiver by an interchangeable arrangement that interacts with the receiver. Furthermore, maintenance is then preferably carried out in a maintenance station provided for this purpose in the exchange arrangement.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Optical Communication System (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01704/19A CH716993A2 (de) | 2019-12-26 | 2019-12-26 | Receiver. |
PCT/CH2020/050013 WO2021127791A1 (fr) | 2019-12-26 | 2020-12-23 | Récepteur |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4081743A1 true EP4081743A1 (fr) | 2022-11-02 |
Family
ID=74180883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20839215.9A Pending EP4081743A1 (fr) | 2019-12-26 | 2020-12-23 | Récepteur |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230021446A1 (fr) |
EP (1) | EP4081743A1 (fr) |
CN (1) | CN115038914A (fr) |
AU (1) | AU2020412969A1 (fr) |
CH (1) | CH716993A2 (fr) |
CL (1) | CL2022001720A1 (fr) |
WO (1) | WO2021127791A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4345399A1 (fr) * | 2022-09-28 | 2024-04-03 | ETH Zurich | Récepteur solaire pour applications à haute température |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2478288A1 (fr) * | 1980-03-14 | 1981-09-18 | Opthra Ste Civile | Procede et installation pour evacuer par voie de rayonnement de l'energie notamment thermique confinee dans une enceinte etanche |
US4604990A (en) * | 1983-06-24 | 1986-08-12 | Phillips Petroleum Company | Collector means for solar energy collecting system |
US4549528A (en) * | 1984-02-21 | 1985-10-29 | Focus Environmental Systems | Method and apparatus for solar destruction of toxic and hazardous materials |
US5894838A (en) * | 1994-10-23 | 1999-04-20 | Yeda Research And Development Company Ltd. | Window for a central solar receiver with volumetric absorber |
DE102004026517B3 (de) * | 2004-05-19 | 2005-10-06 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Kühlungsvorrichtung für strahlungsbeaufschlagte gewölbte Fenster, Strahlungsempfänger und Verfahren zur Kühlung eines gewölbten Fensters |
US20140326235A1 (en) * | 2011-12-18 | 2014-11-06 | Hanna H. Klein | Volumetric solar receiver |
WO2018205043A1 (fr) | 2017-05-10 | 2018-11-15 | Synhelion Sa | Procédé pour faire fonctionner un récepteur et récepteur pour mettre en œuvre le procédé |
-
2019
- 2019-12-26 CH CH01704/19A patent/CH716993A2/de unknown
-
2020
- 2020-12-23 CN CN202080089889.9A patent/CN115038914A/zh active Pending
- 2020-12-23 AU AU2020412969A patent/AU2020412969A1/en active Pending
- 2020-12-23 EP EP20839215.9A patent/EP4081743A1/fr active Pending
- 2020-12-23 US US17/786,632 patent/US20230021446A1/en active Pending
- 2020-12-23 WO PCT/CH2020/050013 patent/WO2021127791A1/fr unknown
-
2022
- 2022-06-22 CL CL2022001720A patent/CL2022001720A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
CN115038914A (zh) | 2022-09-09 |
CL2022001720A1 (es) | 2023-03-31 |
CH716993A2 (de) | 2021-06-30 |
US20230021446A1 (en) | 2023-01-26 |
AU2020412969A1 (en) | 2022-06-16 |
WO2021127791A1 (fr) | 2021-07-01 |
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