CN105156999B - A kind of Photospot solar Scotch boiler - Google Patents
A kind of Photospot solar Scotch boiler Download PDFInfo
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- CN105156999B CN105156999B CN201510573963.5A CN201510573963A CN105156999B CN 105156999 B CN105156999 B CN 105156999B CN 201510573963 A CN201510573963 A CN 201510573963A CN 105156999 B CN105156999 B CN 105156999B
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- drum
- comer
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- evaporation
- collecting box
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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
Abstract
The present invention relates to a kind of Photospot solar Scotch boiler, rotating mechanism including boiler body and on boiler body, boiler body includes drum, down-comer, lower collecting box and evaporation rise tube assembly, the upper end of down-comer is connected with drum, the lower end of down-comer is connected with lower collecting box, evaporation rises tube assembly and is circumferentially distributed on down-comer periphery, and the upper end of evaporation rising tube assembly is connected with drum, the lower end that evaporation rises tube assembly is connected with lower collecting box, the periphery that evaporation rises tube assembly is additionally provided with insulation furnace wall, the side of insulation furnace wall offers optically focused import window.Boiler body of the invention is under the drive of rotating mechanism, rotated with certain speed, can guarantee that the evaporation tube that is heated does not occur overtemperature tube burst, enter the multiple absorption of the sun light beam by the multiple reflections and tedge of furnace wall of forms simultaneously, total beam absorption is close to 1, it is safe and reliable with simple structure, it is energy-efficient to wait remarkable advantage.
Description
Technical field
The present invention relates to Industrial Boiler Technology field, more particularly to a kind of Photospot solar Scotch boiler.
Background technology
In the energy consumption structure of China, fossil fuel is main energy sources, and consumption of coal accounts for more than the 70% of total amount, by
This environmental pollution, energy shortage for triggering etc. has turned into the bottleneck of restriction China sustainable development of socio-economy, therefore to new energy
The exploitation in source just seem extremely important.As a kind of clean energy resource concentrated and large-scale developed and utilized, solar energy
One new research and development and construction upsurge are started in the world.
Solar energy is a kind of various lots of regenerative resource, is the utilizable most abundant energy of the mankind, and total amount is non-
Chang great, it may be said that be inexhaustible.The solar energy that China's top receives every year is equivalent to 170,000,000,000 tons of marks
Quasi- coal.Solar energy can be developed on the spot, in the absence of transportation problem, especially to the underdeveloped rural area of traffic, island and outlying
Area is with more the value for utilizing.Solar energy is even more a kind of clean energy, in development and utilization, will not produce waste residue, give up
Water, waste gas, without noise, the ecological balance are not interfered with more yet.But the energy-flux density of solar energy is low, be vulnerable to region, weather,
The influence in season, what low cost was large-scale developed and utilized has many technological difficulties, in recent ten years, the solar energy of China
Volt technology obtains fast-developing, and China has turned into the maximum country of photovoltaic composition production, and photovoltaic plant has phase in China
When quantity.
In recent years, solar energy heat utilization is obtaining national enough as one kind tool industry with broad prospects for development
Attention.Tower, butterfly and slot type are three kinds of principal modes of solar energy heat utilization, continuous with solar energy tracking technology
Development, tracking accuracy more and more higher, tower solar thermal utilization technology reaches its maturity, with the obvious advantage, will be as large-scale development from now on
The principal mode of solar thermal utilization, can obtain the convergent pencil of rays of high energy current density, obtain very high temperature, be the high temperature photo-thermal of Large Copacity
Important foundation is established in generating；Certainly this also proposes requirement higher to enhanced heat exchange technology, such as that high intensity convergent pencil of rays is direct
Fixed heat-transfer surface is projected, steam water interface occurs postcritical film boiling in pipe, it is possible to make heat exchanger tube overtemperature tube burst,
Have a strong impact on the safe and reliable operation of boiler.Therefore, how the convergent pencil of rays of high-energy-density can be projected into boiler heat exchange face, together
When can guarantee that again boiler safe and reliable operation turn into a big technical barrier.The present invention will add in static natural circulation boiler
Upper rotating mechanism is combined, and makes to be produced rotation with certain speed in space by thermal evaporation tedge, periodically absorbs solar energy
Convergent pencil of rays, so as to solve the enhanced heat exchange technical problem for running into of tower solar thermal utilization.
The content of the invention
The technical problem to be solved in the present invention is：Sunshine by after multiple speculum optically focused, its energy-flux density is very big,
It is bigger than conventional sun energy-flux density more than 100~1000 times, the fixation of the boiler that this high energy density beam is projected directly at
On heat exchanger tube, temperature will be produced too high and booster, have a strong impact on boiler safety reliability service, in order to solve Photospot solar boiler
Heat exchanger tube overtemperature tube burst problem, the present invention provides a kind of Photospot solar Scotch boiler.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Photospot solar Scotch boiler, including
Boiler body and the rotating mechanism on boiler body, the boiler body include drum, down-comer, lower collecting box and evaporation
Rise tube assembly, the upper end of down-comer is connected with drum, and the lower end of down-comer is connected with lower collecting box, evaporation rises tube assembly
Down-comer periphery is circumferentially distributed on, and the upper end of evaporation rising tube assembly is connected with drum, evaporation rises the lower end of tube assembly
It is connected with lower collecting box, water inlet pipe and steam outlet pipe is also communicated with the drum, the evaporation rises the periphery of tube assembly
Insulation furnace wall is additionally provided with, the upper end of insulation furnace wall and the outer wall of drum are tightly connected, the lower end of insulation furnace wall
Outer wall with lower collecting box is tightly connected, and the side of insulation furnace wall offers optically focused import window.The present invention is mainly characterized by pot
Furnace body is rotated around central shaft in space under the drive of rotating mechanism with certain speed, and the optically focused import window of boiler can be with
Receive the convergent pencil of rays of high energy current density, can guarantee that the evaporation tube that is heated does not occur overtemperature tube burst, while into the sun light beam of forms
By the multiple absorption of the multiple reflections and tedge of furnace wall, total beam absorption can be applicable to tower photo-thermal power generation close to 1
In or the system of Photospot solar heat supply in, it is safe and reliable with simple structure, it is energy-efficient wait remarkable advantage.
Boiler structure of the invention, preferably, the rotating mechanism includes the upper axle rotation at the top of drum
Turn seal assembly, the down-comer as transmission axis, Shaft support member and speed reduction gearing, upper axle rotating seal component
Including rotating seal, upper rotary shaft and upper bearing (metal), the upper interior of rotating shaft is hollow, the upper end of upper rotary shaft and steam (vapor) outlet
Pipe is connected, and the lower end of upper rotary shaft connects with drum, and the rotating seal is arranged between upper rotary shaft and steam outlet pipe,
Upper bearing (metal) is arranged in upper rotary shaft, and Shaft support member includes spring bearing, Shaft and drive, the lower rotation
The upper end of axle is connected with lower collecting box bottom, and one end of drive is sleeved on the lower end of Shaft, the other end of drive with subtract
Fast transmission device connection, spring bearing is sleeved on Shaft and is supported on lower collecting box bottom.
In order to ensure stable drive, simplify the structure, preferably, the speed reduction gearing include worm gear, worm screw and
Motor, one end of worm screw is connected with motor output shaft, and the worm screw other end is connected with worm gear, and worm gear and drive are connected.
In order to ensure good rotates effe, preferably, the center of the drum, the axis and lower collecting box of down-comer
Center on same longitudinal straight line.
In order to increase heating surface area, preferably, the evaporation rises tube assembly includes that multiple is circumferentially distributed on down-comer
Periphery tedge, the bottom of tedge is acute angle with the angle α of down-comer.
In order to protect heat exchanger tube, enhanced heat exchange heat-transfer effect, preferably, the tedge includes heat exchanger tube, multiple wings
Piece and porous heat-resistant dielectric coated, multiple fins are circumferentially distributed on outside heat exchanger tube, and porous heat-resistant dielectric coated is coated in heat exchanger tube
Outer ring is located between adjacent fins.
In order to improve heat transfer effect, preferably, the tedge is divided into tedge long and short tedge, tedge long and
Short tedge alternates setting.
For the ease of being reacted in drum, preferably, during described drum is formed by certain surface rotation
Cavity body, preferred cross-sections are circle, and the upper top of drum is connected with upper rotary shaft, and the upside of drum connects with water inlet pipe, drum
Bottom connected with down-comer, connected with the tedge being evenly arranged on the circumferencial direction of drum bottom.
In order to preferably absorb heat, preferably, inwall of the described insulation furnace wall in addition to optically focused import window
The coating of the high reflectances such as upper spraying organosilicon, absorbs reflectivity and reaches more than 0.95.
The beneficial effects of the invention are as follows, Photospot solar Scotch boiler of the invention,
1st, sunshine is by after the aggregation of multiple speculums, the energy flux density of light beam is very high, and convergent pencil of rays is gathered by boiler
Light import window project with certain speed rotate evaporation rise tube assembly on, it is ensured that tedge being persistently heated and be heated
It is even, it is to avoid the booster problem that hot-spot triggers.Fin is welded with outside tedge simultaneously, the resistance to of porous media is also coated with outside pipe
Hot material, not only acts as the effect of protection tedge and augmentation of heat transfer, and heat proof material also acts as the effect of accumulation of heat, works as rising
After pipe rotates to deviation optically focused import window, then heat is released, the thermic load on tube assembly circumferencial direction can be risen with equilibrium evaporation.
There is certain inclination angle in tedge, convergent pencil of rays is projected on tedge with the axis of down-comer；
2nd, in addition, whole boiler is as an internal cavity with window, the sun light beam into boiler is subject to the multiple of furnace wall
Reflection and tedge multiple absorption, total beam absorption close to 1, so as to substantially increase the utilization rate of solar energy；
3rd, upper rotary shaft is a part of the hollow shaft as steam outlet pipe, and down-comer doubles as central rotating shaft, Shaft
Top connects lower collecting box, and Shaft bottom is installed drive and is connected with worm and gear speed-reduction apparatus, makes whole revolving boiler knot
Structure is simplified, and center of gravity is concentrated on down-comer, and Shaft support member plays support with worm and gear speed-reduction apparatus and transmission is turned round
The effect of square, the rotating speed of boiler can carry out variable frequency adjustment according to the intensity of convergent pencil of rays, it is ensured that the safe and reliable operation of boiler.
Photospot solar Scotch boiler of the present invention is creative dexterously to be combined rotary system and boiler, can be high
Effect heat exchange, energy-conserving and environment-protective, safe and reliable operation, can use, it is also possible to as large-scale photo-thermal power generation as general industrial equipment
Important component in system, is particularly suited for the extremely strong area of solar irradiation, as distributed energy supply system, is
Operating mode enterprise or industrial park carry out cogeneration, it is possible to decrease production cost, increase economic efficiency.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of optimum embodiment of the present invention.
Fig. 2 be Fig. 1 A-A section views after tedge distribution map in a circumferential direction.
Fig. 3 is the schematic cross-section of tedge.
In figure：1st, steam outlet pipe, 2, upper axle rotating seal component, 21, rotating seal, 22, upper rotary shaft, 23, on
Bearing, 3, drum, 31, water inlet pipe, 4, down-comer, 5, lower collecting box, 6, evaporation rise tube assembly, 61, heat exchanger tube, 62, fin,
63rd, porous heat-resistant dielectric coated, 64, tedge long, 65, short tedge, 7, insulation furnace wall, 71, optically focused import window, 9, under
Rotary shaft support member, 91, spring bearing, 92, Shaft, 93, drive, 10, speed reduction gearing, 101, worm gear, 102,
Worm screw, 103, motor.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-3, it is optimum embodiment of the present invention, a kind of Photospot solar Scotch boiler, including boiler body
With the rotating mechanism on boiler body, boiler body is including drum 3, down-comer 4, lower collecting box 5 and evaporates tedge group
Part 6, the upper end of down-comer 4 is connected with drum 3, and the lower end of down-comer 4 is connected with lower collecting box 5, and evaporation rises tube assembly 6 weeks
To being distributed on, down-comer 4 is peripheral, and the upper end of evaporation rising tube assembly 6 is connected with drum 3, and evaporation rises under tube assembly 6
End is connected with lower collecting box 5, and the center at the center, the axis of down-comer 4 and lower collecting box 5 of drum 3 is on same longitudinal straight line.
Water inlet pipe 31 and steam outlet pipe 1 are also communicated with drum 3, the periphery that evaporation rises tube assembly 6 is additionally provided with insulation furnace wall
7, the upper end of insulation furnace wall 7 and the outer wall of drum 3 are tightly connected, the lower end of insulation furnace wall 7 and the outer wall of lower collecting box 5
It is tightly connected, the side of insulation furnace wall 7 offers optically focused import window 71.
Rotating mechanism include the upper axle rotating seal component 2 installed in the top of bubble 3, the down-comer 4 as transmission axis,
Shaft support member 9 and speed reduction gearing 10, upper axle rotating seal component 2 include rotating seal 21, upper rotary shaft 22
With upper bearing (metal) 23, the inner hollow of upper rotary shaft 22, the upper end of upper rotary shaft 22 connects with steam outlet pipe 1, upper rotary shaft 22
Lower end is connected with drum 3, and rotating seal 21 is arranged between upper rotary shaft 22 and steam outlet pipe 1, and upper bearing (metal) 23 is arranged on
In upper rotary shaft 22, Shaft support member 9 includes spring bearing 91, Shaft 92 and drive 93, Shaft 92
Upper end is connected with the bottom of lower collecting box 5, and one end of drive 93 is sleeved on the lower end of Shaft 92, the other end of drive 93 with
Speed reduction gearing 10 is connected, and spring bearing 91 is sleeved on Shaft 92 and is supported on the bottom of lower collecting box 5.
Speed reduction gearing 10 includes worm gear 101, worm screw 102 and motor 103, one end and the motor 103 of worm screw 102
Output shaft is connected, and the other end of worm screw 102 is connected with worm gear 101, and worm gear 101 and drive 93 are connected.
Evaporation rising tube assembly 6 includes that multiple is circumferential and is distributed on the periphery tedge of down-comer 4, bottom and the decline of tedge
The angle α of pipe 4 is acute angle.
Tedge includes heat exchanger tube 61, multiple fins 62 and porous heat-resistant dielectric coated 63, and multiple fins 62 are circumferential uniform
Outside heat exchanger tube 61, porous heat-resistant dielectric coated 63 is coated in the outer ring of heat exchanger tube 61 between adjacent fins 62.Tedge point
For tedge long 64 and short tedge 65, tedge long 64 and short tedge 65 alternate setting.
Drum 3 is that, by the hollow cavity of certain surface rotation, the upper top of drum 3 is connected with upper rotary shaft 22, vapour
Bag 3 upside connected with water inlet pipe 31, the bottom of drum 3 connects with down-comer 4, on the circumferencial direction of the bottom of drum 3 with it is uniform
The tedge connection of arrangement.
Insulation furnace wall 7 sprays the coating of high reflectance on the inwall in addition to optically focused import window 71.
The course of work of Photospot solar formula revolving boiler：
The carbonated drink closed system being made up of drum 3, common downcomer 4, lower collecting box 5, vapor uptake component 6 completes water
Heating, vaporization, separation process：Boiler feedwater enters drum 3 through water inlet pipe 31, under passing through after mixing with the water that steam-water separation is got off
Drop pipe 4 enters lower collecting box 5, is assigned in each tedge through lower collecting box 5, and the water heat absorption for rising bottom of the tube is warmed up to saturation state,
Begin to boil off the steam water interface to be formed, in the presence of buoyancy lift while heat absorption, while to rise to and carry out steam-water separation in drum 3,
Water under separating is mixed into down-comer 4 with feedwater, participates in next water cycle process, and the steam separated is through steam (vapor) outlet
Pipe 1 is into gas-distributing cylinder or directly feeds user.
The radiation heat transfer system being made up of insulation furnace wall 7, optically focused import window 71, evaporation tedge group 6 completes the sun
Transformation of energy absorption process：The convergent pencil of rays of high energy current density is projected on vapor uptake component 6 by the import window 71 of boiler,
The porous media heat-storing material heat absorption that most of sunshine is managed outer fin 62 and porous heat-resistant dielectric coated 63 heats up, while will
Heat transfer is to the steam water interface in tedge；Fraction is projected on insulation furnace wall 7, is absorbed by multiple reflections
Journey, final few part reflects away again, therefore the total radiation absorption factor of solar energy substantially increases solar energy close to 1
Utilization rate.
The whirler being made up of upper rotary shaft 2, drum 3, down-comer 4, lower collecting box 5, Shaft 92 and transmission mechanism 10
Structure completes the rotary course of boiler body：Motor drives drive 93, drive 93 to drive by worm and gear speed-reduction apparatus
Shaft 92, Shaft 92 drives lower collecting box 5, down-comer 4, drum 3 and upper rotary shaft 2 to rotate together, is connected to drum
Evaporation and lower collecting box between rises tube assembly, and certain speed is pivoted under the drive of drum and lower collecting box, rotation speed
Degree can be with Frequency Converter Control.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (8)
1. a kind of Photospot solar Scotch boiler, it is characterised in that：Rotation including boiler body and on boiler body
Rotation mechanism, the boiler body includes that drum (3), down-comer (4), lower collecting box (5) and evaporation rise tube assembly (6), down-comer
(4) upper end is connected with drum (3), and the lower end of down-comer (4) is connected with lower collecting box (5), and evaporation rises tube assembly (6) week
To being distributed on, down-comer (4) is peripheral, and the upper end of evaporation rising tube assembly (6) is connected with drum (3), and evaporation rises tube assembly
(6) lower end is connected with lower collecting box (5), and water inlet pipe (31) and steam outlet pipe (1), institute are also communicated with the drum (3)
The periphery for stating evaporation rising tube assembly (6) is additionally provided with insulation furnace wall (7), the upper end of insulation furnace wall (7) and drum (3)
Outer wall be tightly connected, the lower end of insulation furnace wall (7) and the outer wall of lower collecting box (5) are tightly connected, insulation furnace wall (7)
Side offer optically focused import window (71),
The rotating mechanism includes the upper axle rotating seal component (2) at the top of drum (3), the decline as transmission axis
Pipe (4), Shaft support member (9) and speed reduction gearing (10),
Upper axle rotating seal component (2) includes rotating seal (21), upper rotary shaft (22) and upper bearing (metal) (23), the upper rotation
Axle (22) inner hollow, the upper end of upper rotary shaft (22) connects with steam outlet pipe (1), the lower end of upper rotary shaft (22) and drum
(3) connect, the rotating seal (21) between upper rotary shaft (22) and steam outlet pipe (1), pacify by upper bearing (metal) (23)
In upper rotary shaft (22), Shaft support member (9) includes spring bearing (91), Shaft (92) and drive
(93), the upper end of the Shaft (92) is connected with lower collecting box (5) bottom, and one end of drive (93) is sleeved on Shaft
(92) lower end, the other end of drive (93) is connected with speed reduction gearing (10), and spring bearing (91) is sleeved on lower rotation
On axle (92) and it is supported on lower collecting box (5) bottom.
2. a kind of Photospot solar Scotch boiler as claimed in claim 1, it is characterised in that：The speed reduction gearing
(10) including worm gear (101), worm screw (102) and motor (103), one end and motor (103) output shaft of worm screw (102) connect
Connect, the other end of worm screw (102) is connected with worm gear (101), worm gear (101) and drive (93) are connected.
3. a kind of Photospot solar Scotch boiler as claimed in claim 1, it is characterised in that：The center of the drum (3),
The axis of down-comer (4) and the center of lower collecting box (5) are on same longitudinal straight line.
4. a kind of Photospot solar Scotch boiler as claimed in claim 3, it is characterised in that：The evaporation rises tube assembly
(6) including multiple circumferential tedges for being distributed on down-comer (4) periphery, the bottom of tedge is sharp with the angle α of down-comer (4)
Angle.
5. a kind of Photospot solar Scotch boiler as claimed in claim 4, it is characterised in that：The tedge includes heat exchange
Pipe (61), multiple fins (62) and porous heat-resistant dielectric coated (63), multiple fins (62) are circumferentially distributed on heat exchanger tube (61) outward,
Porous heat-resistant dielectric coated (63) is coated in heat exchanger tube (61) outer ring between adjacent fins (62).
6. a kind of Photospot solar Scotch boiler as claimed in claim 5, it is characterised in that：The tedge is divided on long
Riser (64) and short tedge (65), tedge (64) long and short tedge (65) alternate setting.
7. a kind of Photospot solar Scotch boiler as claimed in claim 4, it is characterised in that：Described drum (3) be by
The hollow cavity of surface rotation, the upper top of drum (3) is connected with upper rotary shaft (22), upside and the water inlet of drum (3)
Pipe (31) connection, the bottom of drum (3) connects with down-comer (4), upper with what is be evenly arranged on the circumferencial direction of drum (3) bottom
Riser is connected.
8. a kind of Photospot solar Scotch boiler as claimed in claim 1, it is characterised in that：Described insulation furnace wall
(7) coating of high reflectance is sprayed on the inwall in addition to optically focused import window (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573963.5A CN105156999B (en) | 2015-09-10 | 2015-09-10 | A kind of Photospot solar Scotch boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573963.5A CN105156999B (en) | 2015-09-10 | 2015-09-10 | A kind of Photospot solar Scotch boiler |
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| Publication Number | Publication Date |
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| CN105156999A CN105156999A (en) | 2015-12-16 |
| CN105156999B true CN105156999B (en) | 2017-06-06 |
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ID=54797962
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510573963.5A Active CN105156999B (en) | 2015-09-10 | 2015-09-10 | A kind of Photospot solar Scotch boiler |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004102083A1 (en) * | 2003-05-19 | 2004-11-25 | Solar Systems Pty Ltd | A tracking system |
| CN101956968A (en) * | 2010-09-27 | 2011-01-26 | 绍兴文理学院 | Tower-type solar natural circulation receiver |
| CN203231284U (en) * | 2013-02-04 | 2013-10-09 | 赵福元 | Steam boiler employing sunlight unidirectional focusing heating |
| CN203615307U (en) * | 2013-12-10 | 2014-05-28 | 朱绍森 | Light condensation type solar steam boiler |
| CN104482528A (en) * | 2014-12-19 | 2015-04-01 | 中国科学院电工研究所 | Solar thermal power generation natural circulating heat absorber with overheater starting protection function |
-
2015
- 2015-09-10 CN CN201510573963.5A patent/CN105156999B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004102083A1 (en) * | 2003-05-19 | 2004-11-25 | Solar Systems Pty Ltd | A tracking system |
| CN101956968A (en) * | 2010-09-27 | 2011-01-26 | 绍兴文理学院 | Tower-type solar natural circulation receiver |
| CN203231284U (en) * | 2013-02-04 | 2013-10-09 | 赵福元 | Steam boiler employing sunlight unidirectional focusing heating |
| CN203615307U (en) * | 2013-12-10 | 2014-05-28 | 朱绍森 | Light condensation type solar steam boiler |
| CN104482528A (en) * | 2014-12-19 | 2015-04-01 | 中国科学院电工研究所 | Solar thermal power generation natural circulating heat absorber with overheater starting protection function |
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| Publication number | Publication date |
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| CN105156999A (en) | 2015-12-16 |
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