CN101158465A - Multilevel compositing orbital tracking type solar steam boiler - Google Patents
Multilevel compositing orbital tracking type solar steam boiler Download PDFInfo
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- CN101158465A CN101158465A CNA2007101769660A CN200710176966A CN101158465A CN 101158465 A CN101158465 A CN 101158465A CN A2007101769660 A CNA2007101769660 A CN A2007101769660A CN 200710176966 A CN200710176966 A CN 200710176966A CN 101158465 A CN101158465 A CN 101158465A
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- heat collector
- collector body
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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
Abstract
The present invention provides a multi-stage combined rail tracking type solar steam boiler, which comprises a steam collector. The steam collector comprises a condenser, a bracket and a collector body. The condenser is connected with the top end of the bracket. A focus or a focus line of the condenser is provided with the collector body. The present invention is characterized in that two paralleled arc-shaped rails are arranged on the ground surface under the bracket. The bottom of the bracket is provided with a rolling wheel walking on the rail. The circle center of the arc-shaped rail overlaps with the focus of the condenser, and the collector body is positioned on the focus. The present invention is characterized by the great improvement of the efficiency of various collectors making use of the solar energy by using the pluralistic combination and the rail, the increasing of the volumes of the condenser and the collector body, continuous heating of the liquid flowing through the collector, the generation of large amount of high-pressure and high-temperature steam in a short time, and the elimination of the obstacles for the real development and utilization of the solar steam boiler.
Description
Technical field
The present invention relates to a kind of boiler, specifically is a kind of multilevel compositing orbital tracking type solar steam boiler.
Background technology
The industrial steam boiler of current China overwhelming majority substantially all is the steam boiler of fire coal, fuel oil, combustion gas.The purposes of steam boiler is a lot, acts on very greatly, but the energy consumption of steam boiler is very big, pollutes also very serious.Since the resource anxiety, the coal shortage, and coal price rises steadily, and uses the enterprise of steam boiler to be difficult to bear, and bears very heavy.The development and use regenerative resource, utilizing solar energy steam boiler is good solution, and the sun is shining all over the earth has everywhere, does not need transportation, need not spend to buy, and does not pollute, and does not have waste residue, and free supply time is permanent, and energy is huge.
Though the invention and the use of at present existing solar energy steam boiler, but traditional focus mirror tracking solar device generally all is that receiver (heat collector) is fixed on the focus of focus lamp, it just and then changeed on fixing position when the sun rotated, focus lamp is facing to the sun, the direction of aiming at the sun constantly moves, the position of fixed-focus mirror is not change all the time, just the change of direction.Its shortcoming is: the volume of boiler (receiver) and focus lamp is restricted, can not be very big; The Heat-collecting effect of heat collector is relatively poor; Mobility is poor, and running into violent typhoon, hail etc. must wholely move, very inconvenient; Be not easy to clean, maintain, change parts; The follower complexity is not easy to the regulation and control of focus lamp heat collector; The thermal-arrest process is too simple, and method is single; Produce the overlong time of steam, the steam generation seldom; The occupied ground area is excessive, can not satisfy the requirement of solar facilities; Can not be well producing steam continuously; The way that lacks practical application is not suitable for the reasons such as national conditions of China, and can not promotes;
Summary of the invention
Purpose of the present invention just provides a kind of multilevel compositing orbital tracking type solar steam boiler, is restricted to solve the receiver that prior art exists and the volume of focus lamp, can not be very big; The Heat-collecting effect of heat collector is relatively poor; Mobility is poor, and running into violent typhoon, hail etc. must wholely move, very inconvenient; Be not easy to clean, maintain, change parts; The follower complexity is not easy to the regulation and control of focus lamp heat collector; The thermal-arrest process is too simple, and method is single; Produce the overlong time of steam, the steam generation seldom; The occupied ground area is excessive, can not satisfy the requirement of solar facilities; And can not be well the problem of producing steam continuously.
Technical scheme of the present invention is: comprise the steam heat collection device, this steam heat collection device comprises beam condensing unit, support and heat collector body, beam condensing unit is connected the top of support, on the focus of described beam condensing unit or focal line, the heat collector body is set, it is characterized in that: two arc tracks that are parallel to each other are housed on the ground of the below of described support, the roller of walking on this track is housed in the bottom of described support; The center of circle of described arc track overlaps with the focus of described beam condensing unit, and described heat collector body is placed this focus place.
Also comprise one-level preheater at least, the delivery port of this preheater is connected with the water inlet of described heat collector body.
Described preheater adopts flat-plate solar collector, glass vacuum pipe heat collector, heat pipe vacuum tube hot collector, metal absorber vacuum tube collector or with the heater of conventional fuel.
Described heat collector body is cylindrical.
Described heat collector body is the plane in the face of a side of beam condensing unit, in the bottom of this heat collector body whirligig is housed, and is connected a synchronous connecting rod between the support of this heat collector body and described steam heat collection device.
Also comprise the additional focusing reflector that is installed on building or other objects, directly reflex to sunshine on the described heat collector body or on the sensitive surface of other heat collectors at different levels.
Below described heat collector body, attemperater is housed, the water inlet of this water tank is connected with the delivery port of described one-level heat collector and the water inlet of heat collector body by a three-way change-over valve, and the current that will flow out one-level heat collector delivery port by this three-way change-over valve are changed between heat collector body or attemperater.
On the water inlet of described heat collector body, be connected with the one-way cock that to intake.
On the water inlet of described heat collector body, be connected with the one-way cock that to intake.
It is paraboloidal line focus speculum, parabolic reflective mirror or the convex lens of focusing on that described beam condensing unit adopts the cross section.
Characteristics of the present invention are that polynary combined type utilizes solar energy, the ingenious advantage of utilizing various solar thermal collectors, utilize all ways to collect the solar energy emittance, continuously heat for the liquid that flows through heat collector, it can effectively overcome dispersiveness, randomness, the intermittent shortcoming that solar energy is supplied with, can can produce the steam of a large amount of high temperature, high pressure in a short period of time, for obstacle has been put down in the development and use that solar energy steam boiler is real; The advantage that is beneficial to the track tracking sun is: the heat collector body can be provided with very big, very special, is not subjected to the influence of focus lamp; The heat collector body also can freely rotate, and improves Heat-collecting effect, is not subjected to the constraint of focus lamp; Do not have heat collector body and focus lamp to support and connect together, focus lamp also can be provided with very high, very big; Improve the Heat-collecting effect of heat collector,, can reduce refraction loss than the external stationary mirror that is provided with is effective at present; Mobility strong, running into violent typhoon, hail etc. can lifting, also can advance storehouse to huge focus lamp; Be convenient to clean, maintain, change parts; Be convenient to the regulation and control of focus lamp heat collector; Can arbitrarily move and do not suffer a loss; The double track span is very big, and safety coefficient is very high.
Description of drawings
Fig. 1 is the formation block diagram of binary system of the present invention and the embodiment that is connected with user's radiator;
Fig. 2 is the formation block diagram of the embodiment of ternary system of the present invention;
Fig. 3 is the formation block diagram of the embodiment of polycomponent system of the present invention;
Fig. 4 is the structural representation of binary system of the present invention (the heat collector body does not rotate) embodiment;
Fig. 5 is the structural representation of binary system of the present invention (heat collector body and beam condensing unit rotate synchronously) embodiment;
Fig. 6 is the vertical view of Fig. 4;
Fig. 7 is the vertical view of Fig. 5;
Fig. 8 is the structural representation of ternary system embodiment of the present invention;
Fig. 9 is the structural representation of quinary system embodiment of the present invention.
The specific embodiment
Referring to Fig. 1～Fig. 9, the present invention adopts the multistage combined solar energy heat collector to the water heat hot, at first utilizes the non-focusing formula solar thermal collector 1 or 2 of one-level or secondary to be heated to about 85～200 ℃, sends into steam heat collection device 4 (binary and triple combination) then; Or pass through 3 preheatings of third level Columnating type solar thermal collector again, and continuing heating (quaternary combination) by steam heat collection device 4 again, temperature can reach more than 400 ℃, can produce a large amount of high-pressure water vapors.
Also comprise one-level preheater at least, the delivery port of this preheater is connected with the water inlet of described heat collector body.
As Fig. 1, Fig. 4 and shown in Figure 5, the described steam heat collection device 4 of binary system of the present invention comprises beam condensing unit 42, support 43 and heat collector body 41, beam condensing unit 42 is connected the top of support 43, on the focus of described beam condensing unit 42 or focal line heat collector body 41 is set.It is characterized in that: two arc tracks that are parallel to each other 14 are housed on the ground of the below of described support 43, the roller 13 of walking on this track is housed in the bottom of described support 43.The center of circle of described arc track 14 overlaps with the focus of described beam condensing unit 42, and described heat collector body 41 is placed this focus place.On support 43, can be equipped with automatically day tracking means (but also manual driven) of the sun, trace into sunset from sunrise; Also can be equipped with the mechanism that follows the tracks of the sun elevation angle, adjust the elevation angle of beam condensing unit 42.
Described heat collector body 41 is fixed installation, it is shaped as cylindrical, the beam condensing unit 42 of steam heat collection device 4 is around the angle of heat collector body 41 rotation sunrise sunsets, and columniform heat collector body 41 is beneficial in various angles and receives the sun light beam of assembling (referring to Fig. 4 and Fig. 6).
Another structure is, described heat collector body 41 is plane (referring to Fig. 5 and Fig. 7) in the face of a side of beam condensing unit 42, whirligig 16 (rotating around the optically focused focus) is housed in the bottom of the support 44 of this heat collector body 41, and between the support 43 of this heat collector body 41 and described steam heat collection device, be connected a synchronous connecting rod 15, make the two synchronous rotation.The advantage of this structure be a side of heat collector body 41 all the time in the face of beam condensing unit 42, be sunshine with maximum angle incident, obtain maximum heat and imitate
This embodiment is provided with one-level preheater (one-level heat collector 1), its delivery port is connected with the water inlet of described steam heat collection device 4, and this one-level heat collector 1 can adopt flat-plate solar collector, glass vacuum pipe heat collector, heat pipe vacuum tube hot collector or metal absorber vacuum tube collector.Described beam condensing unit 42 adopts the parabolic reflective mirror (or convex lens) that focuses on.Binary combination formula solar energy steam boiler of the present invention, at first the water that will flow through through the flat type solar heat collector 1 of one-level is heated to 85 ℃, then 85 ℃ water is sent into heat collector body 41, continue heating by steam heat collection device 4 (also can be the heating of solar energy convex lens), heating-up temperature can reach more than 400 ℃, can produce a large amount of high-pressure water vapors.
Also can below described heat collector body 41, attemperater 5 be housed, the water inlet of this water tank 5 is connected with the delivery port of one-level heat collector 1 and the water inlet of heat collector body 41 by a three-way change-over valve 7, will flow out the current direction heat collector body 41 or attemperater 5 conversions of one-level heat collector 1 delivery port by this three-way change-over valve 7.The following examples also can be installed attemperater 5, three-way change-over valve 7 and one-way cock 8.
Fig. 1 has represented that also the present invention and user's radiator 6 are connected to the application example in loop, in order to prevent that steam pressure can connect the one-way cock 8 that can only intake to the back-pressure of water inlet in the heat collector body 41 on the water inlet of described heat collector body 41.
Referring to Fig. 2 and Fig. 8, the present invention also can be on the basis of a last embodiment, is in series with secondary heat collector 2 between the water inlet of the delivery port of described one-level heat collector 1 and heat collector body 41, forms ternary system.This secondary heat collector 2 can adopt glass vacuum pipe heat collector, heat pipe vacuum tube hot collector or metal absorber vacuum tube collector.Other devices of this embodiment are identical with a last embodiment.Three-stage combined solar energy steam boiler is water to be heated to after 85 ℃ at one-level plate-type solar thermal collector 1, glass vacuum pipe heat collector, heat pipe vacuum tube hot collector or the metal absorber vacuum tube collector 2 of sending into secondary again continue heating, its temperature can reach 130 ℃～200 ℃, enter heat collector body 41 at last, continue heating by this solar thermal collector 4, heating-up temperature can reach more than 500 ℃, can produce a large amount of high-pressure water vapors.
Referring to Fig. 3 and Fig. 9, the three grades of heat collectors 3 of also can connecting between the water inlet of the delivery port of the secondary heat collector 2 of a last embodiment and heat collector body 41 are formed quaternary system.These three grades of heat collectors 3 adopt line focus formula heat collector (if being also referred to as the groove type line-focusing machine device), the reflective beam condensing unit 32 of this heat collector 3 be utilize the cross section for flute profile parabolic reflector face (mirror) with solar light focusing to being positioned at liquid (water) heating that 31 pairs of heat collectors on the straight line (focal line) flow through it, the water after the heating enters and produces steam in the heat collector body 41.The characteristics of line focus formula heat collector 3 are that concentrating collector can be made up of the flute profile paraboloidal mirror concentrating collector series and parallel of many dispersed placement, and the combination of heat collector 31 can be carried out single or the series and parallel combination as required.
All can one or more additional reflectors 9 go up be installed at building 10 (or other objects and special stand) in all above-mentioned embodiment, additional reflector 9 adopts parabolic, with the direct reflect focalization of sunshine to described heat collector body 41.Or adopt the plane reflector that sunshine is reflected other heat collectors at different levels.
Steam heat collection device 4 of the present invention can adopt tower system, dish formula system and solar energy convex lens.Wherein tower system can claim centralized systems again, and it is that many large-scale speculums are housed on very large-area square, is commonly referred to heliostat, and every all has tracking system separately, exactly the sunshine reflection is focused on the steam boiler.
Described dish formula system is also referred to as the disc type system, and principal character is to adopt plate-like paraboloidal mirror concentrating collector, and its structure is similar to large-scale parabolic radar antenna from the appearance.Because the plate-like paraboloidal mirror is a kind of point focusing heat collector, its optically focused ratio can arrive thousands of times up to hundreds of, thereby can produce very high temperature.
Polynary collecting system of the present invention can rationally be formed by local climate condition, latitude, constantly improves boiler water temperature step by step continuously, until the device that produces high-temperature high-pressure steam.Be the elementary heating of heat transfer medium by described a kind of hot property high solar thermal collector 1 or several solar thermal collector at first, will have the medium transport of certain heat energy to continue heating to secondary heat collector 2 then, the rest may be inferred.Described solar thermal collector at different levels all must meet the related standards of country and the acceptance requirement that local boiler detects department, environmental administration.
For safety and the heat insulation effect of strengthening the multistage combined solar energy steam boiler, outer wall is provided with heat absorption insulation endless belt and wing, and it has the effect of the effect and the heat absorption insulation of safety confinement.
The base of heat collector body 41 of the present invention has good insulating, be provided with attemperater 5 below the insulating, attemperater 5 can store a lot of high-temperature water, at any time for steam boiler provides high-temperature-hot-water, for instantaneously producing steam continuously provides advantage.When attemperater can also rain at the cloudy day,, save a large amount of energy for the common steam boiler provides high-temperature water.
The technology of the double track tracking solar that the present invention adopts has basic difference with traditional tracking technique, and it is not the automatic tracking solar technology of fixing, but utilizes the double track mobile tracking sun.Its heat collector body 41 is (heat collector body 41 does not need to be supported on the beam condensing unit 42) of separating with beam condensing unit 42, heat collector body 41 be fix or be that rotate at the center with the optically focused focus, the distance between beam condensing unit 42 and the heat collector body 41 is that radius picture arc is provided with double track.When the sun comes up in the east, beam condensing unit 42 was on the track of the west of heat collector body 41, in the face of the sun.Noon, focus lamp 42 has slowly moved to the north of heat collector body 41 on double track, and focus lamp 42 is still in the face of the sun.Focus lamp 42 will move to the east of heat collector body 41 in the time of at dusk, still in the face of the sun.The invention of double track mobile tracking technology has been brought into play important function for effectively utilizing solar energy, and its benefit has: 1. boiler (receiver) can be provided with very greatly, very special, is not subjected to the influence of focus lamp.2. heat collector body 41 also can freely rotate, and improves Heat-collecting effect, is not subjected to the constraint of focus lamp.3. do not have heat collector body 41 to support with focus lamp 42 and connect together, focus lamp also can be provided with very high, very big.4. improve the Heat-collecting effect of heat collector,, can reduce refraction loss than the external stationary mirror that is provided with is effective at present.5. mobility strong, running into violent typhoon, hail etc. can lifting, also can advance storehouse to huge focus lamp.6. be convenient to clean, maintain, change parts.7. be convenient to the regulation and control of focus lamp heat collector.8. can arbitrarily move and do not suffer a loss 9. that the double track span is very big, safety coefficient is very high.
What the present invention began heating work is non-focus solar collector, and the heating of final stage is a focus solar collector.Focus solar collector can be the imaging heat collector, also can be non-imaging heat collector.
The present invention also can be provided with the computer intelligence controller, can effectively adjust the position, angle etc. of water inlet, heating, focus lamp according to the weather conditions of this area, latitude, steam boiler working condition, solar radiation intensity etc.This polynary how burnt double track combined solar steam boiler can be told us working condition at any time, inflow temperature, the elementary hot water temperature of adding, secondary water heating-up temperature, boiler steam temperature, boiler pressure, pipeline vapor (steam) temperature and pressure, and can in time make accurately and adjusting, or give the alarm.
Non-focusing formula solar thermal collector (comprising flat-plate collector, glass vacuum pipe heat collector, heat pipe vacuum tube hot collector and/or metal absorber vacuum tube collector) the hot property height that the present invention has given full play to previous stages (heats fast, but temperature is not high) characteristic, and the heating surface area of Columnating type solar thermal collector is little, but the characteristics that temperature is high, both combinations have improved the maximum temperature of firing rate and steam greatly.
Claims (10)
1. multilevel compositing orbital tracking type solar steam boiler, comprise the steam heat collection device, this steam heat collection device comprises beam condensing unit, support and heat collector body, beam condensing unit is connected the top of support, on the focus of described beam condensing unit or focal line, the heat collector body is set, it is characterized in that: two arc tracks that are parallel to each other are housed on the ground of the below of described support, the roller of walking on this track is housed in the bottom of described support; The center of circle of described arc track overlaps with the focus of described beam condensing unit, and described heat collector body is placed this focus place.
2. multilevel compositing orbital tracking type solar steam boiler according to claim 1 is characterized in that: also comprise one-level preheater at least, the delivery port of this preheater is connected with the water inlet of described heat collector body.
3. multilevel compositing orbital tracking type solar steam boiler according to claim 2 is characterized in that: described preheater adopts flat-plate solar collector, glass vacuum pipe heat collector, heat pipe vacuum tube hot collector, metal absorber vacuum tube collector or with the heater of conventional fuel.
4. multilevel compositing orbital tracking type solar steam boiler according to claim 1 is characterized in that: described heat collector body is cylindrical.
5. multilevel compositing orbital tracking type solar steam boiler according to claim 1, it is characterized in that: described heat collector body is the plane in the face of a side of beam condensing unit, whirligig is equipped with in bottom at this heat collector body, and is connected a synchronous connecting rod between the support of this heat collector body and described steam heat collection device.
6. according to claim 1,2,3,4 or 5 described multilevel compositing orbital tracking type solar steam boilers, it is characterized in that: also comprise the additional focusing reflector that is installed on building or other objects, directly reflex to sunshine on the described heat collector body or on the sensitive surface of other heat collectors at different levels.
7. according to claim 1,2,3,4 or 5 described multilevel compositing orbital tracking type solar steam boilers, it is characterized in that: below described heat collector body, attemperater is housed, the water inlet of this water tank is connected with the delivery port of described one-level heat collector and the water inlet of heat collector body by a three-way change-over valve, and the current that will flow out one-level heat collector delivery port by this three-way change-over valve are changed between heat collector body or attemperater.
8. multilevel compositing orbital tracking type solar steam boiler according to claim 6 is characterized in that: be connected with the one-way cock that can only intake on the water inlet of described heat collector body.
9. multilevel compositing orbital tracking type solar steam boiler according to claim 7 is characterized in that: be connected with the one-way cock that can only intake on the water inlet of described heat collector body.
10. it is characterized in that according to Claim 8 or 9 described multilevel compositing orbital tracking type solar steam boilers: it is paraboloidal line focus speculum, parabolic reflective mirror or the convex lens of focusing on that described beam condensing unit adopts the cross section.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101769660A CN101158465A (en) | 2007-11-07 | 2007-11-07 | Multilevel compositing orbital tracking type solar steam boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101769660A CN101158465A (en) | 2007-11-07 | 2007-11-07 | Multilevel compositing orbital tracking type solar steam boiler |
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| CN101158465A true CN101158465A (en) | 2008-04-09 |
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| CNA2007101769660A Pending CN101158465A (en) | 2007-11-07 | 2007-11-07 | Multilevel compositing orbital tracking type solar steam boiler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900435A (en) * | 2009-05-31 | 2010-12-01 | 北京智慧剑科技发展有限责任公司 | Solar distributed point focusing optical lens tracing vacuum tube utilizing system |
| CN104832897A (en) * | 2015-05-18 | 2015-08-12 | 深圳市易精制衣设备有限公司 | Steam compensation system |
| CN106111031A (en) * | 2016-06-07 | 2016-11-16 | 宁波高新区世代能源科技有限公司 | Solar energy jacket reactor |
| CN107514825A (en) * | 2017-09-18 | 2017-12-26 | 云南中建博能工程技术有限公司 | A kind of adjustable minute surface concentrating solar boiler |
-
2007
- 2007-11-07 CN CNA2007101769660A patent/CN101158465A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900435A (en) * | 2009-05-31 | 2010-12-01 | 北京智慧剑科技发展有限责任公司 | Solar distributed point focusing optical lens tracing vacuum tube utilizing system |
| CN104832897A (en) * | 2015-05-18 | 2015-08-12 | 深圳市易精制衣设备有限公司 | Steam compensation system |
| CN106111031A (en) * | 2016-06-07 | 2016-11-16 | 宁波高新区世代能源科技有限公司 | Solar energy jacket reactor |
| CN107514825A (en) * | 2017-09-18 | 2017-12-26 | 云南中建博能工程技术有限公司 | A kind of adjustable minute surface concentrating solar boiler |
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Open date: 20080409 |