CN110094708A - A kind of tower type solar boiler - Google Patents
A kind of tower type solar boiler Download PDFInfo
- Publication number
- CN110094708A CN110094708A CN201910315293.5A CN201910315293A CN110094708A CN 110094708 A CN110094708 A CN 110094708A CN 201910315293 A CN201910315293 A CN 201910315293A CN 110094708 A CN110094708 A CN 110094708A
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- Prior art keywords
- heat
- fused salt
- tank body
- type solar
- rotation axis
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/16—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
- F22B1/165—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour using heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
Abstract
A kind of tower type solar boiler, including immersion fused salt heat exchanging device, fused salt list storage tank, heliostat, mirror station control system and the filling fused salt in the fused salt list storage tank, initiative is three-in-one by fused salt storage tank therein, fused salt heat exchanging device and solar heat absorber, tower-like in integration.Any pump for liquid salts, fused salt valve, molten salt pipeline are not needed, the use temperature upper limit of fused salt is substantially improved, the Pipe transfer thermal losses of fused salt is prevented, the shortcomings that overcoming the big tower system investments of tradition, at high cost, system complex, this technology is widely used, for example photo-thermal power generation, the large-scale seawater of large size talk chemical industry journey, and as large-scale steam boiler or heat conducting oil boiler, large-scale heating engineering etc..It is of great significance for reducing photo-thermal power generation cost and improving power plant's reliability.It will realize that solid foundation is established in extensive industrialization, modularization for solar energy heat utilization.
Description
Technical field
The invention belongs to solar energy utilization technique field more particularly to a kind of sun of tower type solar reflecting mirror heat build-up
The technology of energy boiler, is the core technology of solar light-heat power-generation.
Background technique
One side mankind's energy-consuming level is continuously improved, and on the other hand conventional fossil energy is increasingly depleted, and conventional
The adjoint pollutant emission problem of fossil energy is not able to satisfy people increasingly for the demand of future source of energy.Solar energy is as a kind of
Inexhaustible new cleaning fuel just increasingly obtains the attention of people, for solar energy development just
Increasingly making progress.
Solar power generation popular at present is broadly divided into two kinds of forms of photovoltaic power generation and solar light-heat power-generation.Wherein
Photovoltaic power generation receives sunlight using solar panel or battery thin film, and luminous energy is directly converted to electric energy, but is sending out
There is very big deficiency in terms of electrical efficiency and battery life.Solar light-heat power-generation can be divided into trough type solar power generation, it is tower too
Positive energy thermal-arrest power generation and butterfly solar power generation.Trough type solar power generation since focusing ratio is not high, the vapor (steam) temperature of generation compared with
It is low, therefore generating efficiency is restricted.Butterfly solar power generation is then made of the small-sized concentrating generation device of multiple dispersions, single machine
Power is small, is equally unfavorable for the raising of whole generating efficiency.And tower type solar photo-thermal power generation is then to use numerous reflectors,
The sunray of large area is gathered on a heat dump, therefore available very high temperature, at the beginning of making electricity generation system steam
Temperature improves, and obtains higher generating efficiency, which is increasingly becoming the mainstream of photo-thermal power generation, still, solar energy at present
Photo-thermal power generation generallys use the power generation molten salt energy storage system of double storage tanks, and there is also many technical problems.
Summary of the invention
(1) the technical issues of solving
1, solving the problems, such as existing tower-type solar thermal energy-storage system, structure is complicated, initial investment is big, construction period is long；
2, to solve the problems, such as that existing tower-type solar thermal energy-storage system technical difficulty is big, manufacturing cost is high.
(2) technical solution
In order to solve the above-mentioned technical problem, present invention employs following technical proposals: a kind of tower type solar boiler, including immerses
Formula fused salt heat exchanging device, fused salt list storage tank, heliostat, mirror station control system and the filling fused salt in the fused salt list storage tank,
Be characterized in that, the fused salt list storage tank be integrally in it is tower-like, including tank body, cover and the fused salt water conservancy diversion on its central axes
Device, the top of the tank body are heat absorption tank body, and the lower end of the heat absorption tank body connects heat accumulation tank body, on the outer surface of the heat absorption tank body on
Be coated with high temperature resistant solar energy heat absorbing coating, the heliostat by the mirror station control system control so that from the heliostat
Solar reflection optical focuses on the outer surface of the heat absorption tank body, and the top of the fused salt air deflector is the container of cylindrical shape,
Its underpart is diversion pipe；The interface of several connection tank bodies is also provided on the cover；The lower part of the immersion fused salt heat exchanging device is heavy
It is immersed in the container, and is provided with rotation axis casing and the electronic driving means of fused salt on its central axes, the electronic push dress of the fused salt
It sets comprising variable-frequency motor, rotation axis and blade, which is arranged in the rotation axis casing, and the upper end connects the variable-frequency electric
Machine, lower end then connect the blade, which can form push power when rotating, to push flowing of the fused salt in diversion pipe；It should
Heat transferring medium import and heat transferring medium outlet are provided in immersion fused salt heat exchanging device.In general, heat absorbing coating uses U.S. Tian Bao
Pyromark2500 high temperature resistant heat absorbing coating of the high temperature lacquer as this technology, coating can bear 1093 DEG C.
In a kind of above-mentioned tower type solar boiler, which is characterized in that the immersion fused salt heat exchanging device includes heat exchange
Chamber, heat pipe, and the rotation axis casing runs through the heat exchanging chamber, the radiating segment of the heat pipe is arranged in the heat exchanging chamber, institute
The endotherm section for the heat pipe stated is immersed in the container, and guarantees that the bottom of the heat exchanging chamber and the upper port of the container are protected
Certain gap is held, so that fused salt can flow into the container from this gap, which is on the cover, wherein
Heat transferring medium import and heat transferring medium outlet are offered on the heat exchanging chamber.In general, steam-water separation can also be arranged in heat exchanging chamber
Device exports inner end in heat transferring medium, a demister can be set.
In a kind of above-mentioned tower type solar boiler, which is characterized in that the immersion fused salt heat exchanging device includes upper tube
Case, lower tube box, heat exchanger tube, and the rotation axis casing runs through the upper tube box and lower tube box, which passes through upper tube
Plate is connected to upper tube box, which passes through lower perforated plate and be connected to lower tube box, described in the heat exchanger tube and lower tube box are immersed in
Container in, and guarantee that the bottom surface of the upper perforated plate and the upper port of the container keep certain gap, so that fused salt can be from
This gap flows into the container, which is on the cover, wherein offers heat transferring medium on the upper tube box and goes out
Mouthful, heat transferring medium import is offered on the lower tube box.In general, diameter of the diameter of lower perforated plate less than upper perforated plate, and lower perforated plate
Diameter again smaller than the container internal diameter, so that gap of the fused salt between lower perforated plate and container is flowed through.In general, in upper tube box also
Steam-water separator can be set, export inner end in heat transferring medium, a demister can be set.
In a kind of above-mentioned tower type solar boiler, which is characterized in that the electronic driving means of the fused salt includes frequency conversion
Motor, motor mount, heat-insulated shaft coupling, thrust ball bearing, thrust ball bearing mounting base, temperature-resistant heat insulating pad, fixed installation
Pedestal, rotation axis, deep groove ball bearing, blade；A deep groove ball bearing is each provided in the two-port of the rotation axis casing,
The rotation axis is arranged in the rotation axis casing and is rotatably assorted by deep groove ball bearing formation；The thrust ball axis
It holds and is mounted in the thrust ball bearing mounting base, the motor mount and thrust ball bearing mounting base are sequentially arranged at described consolidate
Determine to be provided with the temperature-resistant heat insulating pad in mounting seat and between thrust ball bearing mounting base and fixed installation pedestal, the rotation
The upper end of axis connects after passing through the thrust ball bearing with the heat-insulated shaft coupling, and lower end then connects the blade, at the blade
In downward push power can be formed in the diversion pipe and when rotating, to push the flowing of fused salt；The variable-frequency motor is mounted on
On the motor mount.
In a kind of above-mentioned tower type solar boiler, which is characterized in that the heat transferring medium import and heat transferring medium go out
On mouthful all in the cover；It is additionally provided with medium entrance skirt and media outlet skirt in the heat absorption tank body, two
The upper port of person is stretched out after the cover to be connected with the heat transferring medium import and heat transferring medium outlet respectively, the lower port of the two
Then stretched out outside it from the top of heat accumulation tank body.In general, such design, so that heat transferring medium inlet and outlet pass through heat absorption tank interior
Medium inlet and outlet skirt transition connection, on the one hand can walk downward and straight to avoid heat transferring medium inlet/outlet pipe from the outside of tank body
On the other hand the irradiation for the high temperature focusing sunlight that junction reflects back heliostat is walked by skirt from the inside of tank body, can
With exchange thermal medium a preheating (heat transferring medium import) or reheat (heat transferring medium outlet), meanwhile, heat transferring medium into
Mouth and outlet are arranged on cover, are for convenience later to the maintenance (convenient for disassembly and assembly) of immersion fused salt heat exchanging device.
In a kind of above-mentioned tower type solar boiler, which is characterized in that tubulose is arranged in column for the heat pipe or heat exchanger tube, and
It is provided with several baffle plates.In general, setting baffle plate comes into full contact with heat exchange convenient for fused salt and heat pipe or heat exchanger tube.
In a kind of above-mentioned tower type solar boiler, which is characterized in that stored up in the immersion fused salt heat exchanging device or fused salt list
In tank, alternatively, being respectively arranged with temp probe in the immersion fused salt heat exchanging device and fused salt list storage tank.
In a kind of above-mentioned tower type solar boiler, which is characterized in that set in heat accumulation tank body lower lateral and be welded with several add
Thermal sleeve, the heating muff both ends are exposed, and are provided with high temperature electrical heater in the heating muff.In general, additional setting electricity adds
The temperature that hot device is primarily used to the prevention intracorporal fused salt of tank is lower than the fusing point of the fused salt and solidifies, and causes the damage of system；And
Heating muff is through tank body and two-port is exposed outside tank body, internal that high temperature electrical heater, such design, convenient for height is arranged
Warm electric heater is replaced in the non-stop-machine situation of system.
In a kind of above-mentioned tower type solar boiler, which is characterized in that be provided with several heat dissipations in the heat absorption inner tank wall
Piece.In general, such design, so that being obtained adequately when by heat absorption tank body section from the fused salt of tank interior from bottom to top
Heat exchange, to take away the high temperature heat that heat absorption tank surface absorbs in time.
In a kind of above-mentioned tower type solar boiler, which is characterized in that it is provided with a muff at the top of heat absorption tank body,
The muff can move up and down, and can entangle the heat absorption tank body when moving down just and play heat-blocking action.In general, such
Design, fully takes into account, and in the idle situation of heliostat, prevents the heat of fused salt in tank body from passing through the surface of heat absorption tank body
It dissipates, plays the role of an insulation.Certainly, which realizes the upper of the muff equipped with a set of lifting device
Bottom offset.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that
Novel tower-type solar boiler technology provided by the invention, overcomes that the tower system investments of tradition are big, at high cost, system is multiple
Miscellaneous disadvantage will realize that solid foundation has been established in extensive industrialization, modularization for solar energy heat utilization.
A kind of tower type solar boiler provided by the invention, can be such as large-scale photo-thermal power generation, big there are many kinds of application
Type seawater talks chemical industry journey, and as large-scale steam boiler or heat conducting oil boiler, large-scale heating engineering etc..
The work of a kind of tower type solar boiler provided by the invention, heat build-up temperature height high-efficient with heat build-up and heating
The wide feature of matter range is of great significance for reducing photo-thermal power generation cost and improving power plant's reliability.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Attached drawing only provides reference and illustrates to use, and is not intended to limit the present invention.
Fig. 1 is a kind of structural schematic diagram of tower type solar boiler provided by the invention；
Fig. 2 is a kind of structural schematic diagram of fused salt list storage tank provided by the invention；
Fig. 3 is a kind of structural schematic diagram of immersion fused salt heat exchanging device provided by the invention；
Fig. 4 is the structural schematic diagram of another immersion fused salt heat exchanging device provided by the invention；
Fig. 5 is a kind of structural schematic diagram of the electronic driving means of fused salt provided by the invention；
Fig. 6 is the A partial enlarged view indicated in Fig. 3 and Fig. 4 provided by the invention.
In figure, immersion fused salt heat exchanging device 1, fused salt list storage tank 2, heliostat 3, mirror station control system 4, fused salt 5, fused salt electricity
Dynamic driving means 6, variable-frequency motor 6a, motor mount 6b, heat-insulated shaft coupling 6c, thrust ball bearing 6d, thrust ball bearing installation
Seat 6e, temperature-resistant heat insulating pad 6f, pedestal 6g, rotation axis 6i, deep groove ball bearing 6j, blade 6k, temp probe 7, vapour is fixedly mounted
Separator 8, heat exchanging chamber 10, heat transferring medium import 10a, heat transferring medium outlet 10b, medium entrance skirt 10c, is situated between demister 9
Matter outlet pigtail 10d, heat pipe 11, radiating segment 11a, endotherm section 11b, upper tube box 12, upper perforated plate 12a, lower tube box 13, lower perforated plate
13a, heat exchanger tube 14, baffle plate 15, rotation axis casing 16, tank body 20, heat absorption tank body 20a, heat accumulation tank body 20b, heat absorbing coating
20c, it cover 21, fused salt air deflector 22, container 22a, diversion pipe 22b, interface 23, heating muff 24, high temperature electrical heater 25, dissipates
Backing 26, muff 27.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise indicated, " several " be meant that one or one with
On.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " connection " is answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the common of this field
For technical staff, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5 and Fig. 6, a kind of tower type solar boiler, including immersion fused salt heat exchanging device 1, fused salt
Single storage tank 2, heliostat 3, mirror station control system 4 and the filling fused salt 5 in the fused salt list storage tank 2.
Fused salt list storage tank 2 is whole in tower-like, including tank body 20, cover 21 and the fused salt air deflector on its central axes
22, the top of the tank body 20 is that the lower end of heat absorption tank body 20a, heat absorption tank body 20a connect heat accumulation tank body 20b, the heat absorption tank body
It is coated with high temperature resistant solar energy heat absorbing coating 20c on the outer surface of 20a, several dissipate is provided on the heat absorption tank body 20a inner wall
Backing 26, the heliostat 3 by the mirror station control system 4 control so that the solar reflection optical from the heliostat 3 focuses on this
It absorbs heat on the outer surface of tank body 20a, the top of fused salt air deflector 22 is the container 22a of cylindrical shape, and its underpart is diversion pipe
22b；The interface 23 of several connection tank bodies is also provided on the cover 21；The lower part of the immersion fused salt heat exchanging device 1 is immersed in this
Rotation axis casing 16 and the electronic driving means 6 of fused salt, the electronic push dress of the fused salt are provided in container 22a, and on its central axes
It sets 6 and includes variable-frequency motor 6a, rotation axis 6i and blade 6k, rotation axis 6i is arranged in the rotation axis casing 16, and the upper end connects
Variable-frequency motor 6a is met, lower end then connects blade 6k, and blade 6k can form push power when rotating, exist to push fused salt 5
Flowing in diversion pipe 22b；Heat transferring medium import 10a and heat transferring medium outlet are provided in the immersion fused salt heat exchanging device 1
10b.The outer surface of heat accumulation tank body is provided with insulating, includes each component for exposing the cover upper surface on cover upper surface
Outer surface be both provided with insulating.The bottom end of diversion pipe 22b is welded with three support legs.
Immersion fused salt heat exchanging device 1 includes heat exchanging chamber 10, heat pipe 11, and the rotation axis casing 16 runs through the heat exchanging chamber
10, the radiating segment 11a of heat pipe 11 is arranged in the heat exchanging chamber 10, and the endotherm section 11b of heat pipe 11 is immersed in container 22a, and protects
The upper port of the bottom and container 22a of demonstrate,proving heat exchanging chamber 10 keeps certain gap, so that fused salt 5 can flow into the appearance from this gap
In device 22a, which is on the cover 21, wherein heat transferring medium import 10a is offered on the heat exchanging chamber 10
10b is exported with heat transferring medium.It is additionally provided with a steam-water separator 8 in heat exchanging chamber 10, exports the inner end of 10b in heat transferring medium,
It is additionally provided with a demister 9.
The electronic driving means 6 of fused salt includes variable-frequency motor 6a, motor mount 6b, heat-insulated shaft coupling 6c, thrust ball bearing
6d, thrust ball bearing mounting base 6e, temperature-resistant heat insulating pad 6f, pedestal 6g, rotation axis 6i, deep groove ball bearing 6j, paddle is fixedly mounted
Leaf 6k；A deep groove ball bearing 6j is each provided in the two-port of rotation axis casing 16, rotation axis 6i is arranged in the rotary axle box
It is rotatably assorted in pipe 16 and by deep groove ball bearing 6j formation；Thrust ball bearing 6d is mounted on thrust ball bearing mounting base 6e
On, motor mount 6b and thrust ball bearing mounting base 6e are sequentially arranged at and are fixedly mounted on pedestal 6g and in thrust ball bearing
Temperature-resistant heat insulating pad 6f is provided between mounting base 6e and fixed installation pedestal 6g, the upper end of rotation axis 6i passes through the thrust
It is connected after ball bearing 6d with heat-insulated shaft coupling 6c, lower end then connects blade 6k, and blade 6k is in diversion pipe 22b and revolves
Downward push power can be formed when turning, to push the flowing of fused salt 5；Variable-frequency motor 6a is mounted on motor mount 6b.
Heat transferring medium import 10a and heat transferring medium outlet 10b all in cover 21 on；It is also set up in heat absorption tank body 20a
Have a medium entrance skirt 10c and media outlet skirt 10d, the upper port of the two stretch out after the cover 21 respectively with heat transferring medium into
Mouth 10a is connected with heat transferring medium outlet 10b, and the lower port of the two is then stretched out outside it from the top of heat accumulation tank body 20b.
In the present embodiment, tubulose is arranged the heat pipe 11 in column, and is provided with several baffle plates 15.
In the present embodiment, temp probe 7 is respectively arranged in the immersion fused salt heat exchanging device 1 and fused salt list storage tank 2.
In the present embodiment, several heating muffs 24 are welded with the lower part heat accumulation tank body 20b is horizontal, 24 both ends of heating muff
Expose, is provided with high temperature electrical heater 25 in the heating muff 24.
In the present embodiment, it is provided with a muff 27 at the top of heat absorption tank body 20a, which can move up and down,
Just the heat absorption tank body 20a can be entangled when moving down plays heat-blocking action.
Embodiment 2:
As shown in figure 4, immersion fused salt heat exchanging device 1 includes upper tube box 12, lower tube box 13, heat exchanger tube 14, and rotation axis casing 16
Through the upper tube box 12 and lower tube box 13, which passes through upper perforated plate 12a and is connected to upper tube box 12, the heat exchanger tube 14
Lower end passes through lower perforated plate 13a and is connected to lower tube box 13, and the heat exchanger tube 14 and lower tube box 13 are immersed in container 22a, and guaranteeing should
The bottom surface of upper perforated plate 12a and the upper port of container 22a keep certain gap, so that fused salt 5 can flow into the container from this gap
In 22a, which is on the cover 21, wherein heat transferring medium outlet 10b is offered on the upper tube box 12,
Heat transferring medium import 10a is offered on the lower tube box 13, tubulose is arranged the heat exchanger tube 14 in column, and is provided with several bafflings
Plate 15.Other reference embodiments 1, this is no longer going to repeat them.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although be used more herein immersion fused salt heat exchanging device, fused salt list storage tank, heliostat, mirror station control system,
The electronic driving means of fused salt, fused salt, variable-frequency motor, motor mount, heat-insulated shaft coupling, thrust ball bearing, thrust ball bearing peace
Dress seat, is fixedly mounted pedestal, rotation axis, deep groove ball bearing, blade, temp probe, steam-water separator, removes temperature-resistant heat insulating pad
Foam device, heat exchanging chamber, heat transferring medium import, heat transferring medium outlet, medium entrance skirt, media outlet skirt, heat pipe, radiating segment,
Endotherm section, upper tube box, upper perforated plate, lower tube box, lower perforated plate, heat exchanger tube, baffle plate, rotation axis casing, tank body, heat absorption tank body, storage
Hot tank body, heat absorbing coating, cover, fused salt air deflector, container, diversion pipe, interface, heating muff, high temperature electrical heater, heat dissipation
The terms such as piece, muff, but it does not exclude the possibility of using other terms.The use of these items is only for more easily
Describe and explain essence of the invention；Being construed as any additional limitation is disagreed with spirit of that invention
's.
Claims (10)
1. a kind of tower type solar boiler, including immersion fused salt heat exchanging device (1), fused salt list storage tank (2), heliostat (3), Jing Chang
Control system (4) and the filling fused salt (5) in the fused salt list storage tank (2), which is characterized in that the fused salt list storage tank
(2) entirety is in tower-like, including tank body (20), cover (21) and the fused salt air deflector (22) on its central axes, the tank body
(20) top is heat absorption tank body (20a), and the lower end of the heat absorption tank body (20a) connects heat accumulation tank body (20b), the heat absorption tank body
High temperature resistant solar energy heat absorbing coating (20c) is coated on the outer surface of (20a), the heliostat (3) is by the mirror station control system
(4) control, so that the solar reflection optical from the heliostat (3) focuses on the outer surface of the heat absorption tank body (20a), it is described
Fused salt air deflector (22) top be cylindrical shape container (22a), its underpart be diversion pipe (22b)；On the cover (21)
It is also provided with the interface (23) of several connection tank bodies；The lower part of the immersion fused salt heat exchanging device (1) is immersed in the container (22a)
It is interior, and rotation axis casing (16) and the electronic driving means of fused salt (6) are provided on its central axes, the electronic driving means of the fused salt
(6) comprising variable-frequency motor (6a), rotation axis (6i) and blade (6k), which is arranged in the rotation axis casing (16)
Interior, the upper end connects the variable-frequency motor (6a), and lower end then connects the blade (6k), which can form push when rotating
Power, to push flowing of the fused salt (5) in diversion pipe (22b)；Be provided in the immersion fused salt heat exchanging device (1) heat transferring medium into
Mouth (10a) and heat transferring medium outlet (10b).
2. a kind of tower type solar boiler according to claim 1, which is characterized in that the immersion fused salt heat exchanging device
It (1) include heat exchanging chamber (10), heat pipe (11), and the rotation axis casing (16) runs through the heat exchanging chamber (10), the heat pipe
(11) in the heat exchanging chamber (10), the endotherm section (11b) of the heat pipe (11) is immersed in described for radiating segment (11a) setting
In container (22a), and guarantee that the bottom of heat exchanging chamber (10) and the upper port of the container (22a) keep certain gap,
So that fused salt (5) can be flowed into from this gap in the container (22a), which is on the cover (21),
In, heat transferring medium import (10a) and heat transferring medium outlet (10b) are offered on the heat exchanging chamber (10).
3. a kind of tower type solar boiler according to claim 1, which is characterized in that the immersion fused salt heat exchanging device
It (1) include upper tube box (12), lower tube box (13), heat exchanger tube (14), and the rotation axis casing (16) runs through the upper tube box
(12) it passes through upper perforated plate (12a) with lower tube box (13), heat exchanger tube (14) upper end and is connected to upper tube box (12), the heat exchanger tube (14)
Lower end passes through lower perforated plate (13a) and is connected to lower tube box (13), and the heat exchanger tube (14) and lower tube box (13) are immersed in the container
In (22a), and guarantee that the bottom surface of the upper perforated plate (12a) and the upper port of the container (22a) keep certain gap, so as to
Fused salt (5) can be flowed into from this gap in the container (22a), which is on the cover (21), wherein should
Heat transferring medium outlet (10b) is offered on upper tube box (12), offers heat transferring medium import (10a) on the lower tube box (13).
4. a kind of tower type solar boiler according to claim 1, which is characterized in that the electronic driving means of the fused salt
It (6) include variable-frequency motor (6a), motor mount (6b), heat-insulated shaft coupling (6c), thrust ball bearing (6d), thrust ball bearing peace
It fills seat (6e), temperature-resistant heat insulating pad (6f), pedestal (6g), rotation axis (6i), deep groove ball bearing (6j), blade be fixedly mounted
(6k)；A deep groove ball bearing (6j), the rotation axis are each provided in the two-port of the rotation axis casing (16)
(6i) setting is rotatably assorted in the rotation axis casing (16) and through the deep groove ball bearing (6j) formation；The thrust ball axis
(6d) is held to be mounted in the thrust ball bearing mounting base (6e), the motor mount (6b) and thrust ball bearing mounting base (6e) according to
It is secondary be mounted on the fixed installation pedestal (6g) and thrust ball bearing mounting base (6e) and fixed installation pedestal (6g) it
Between be provided with the temperature-resistant heat insulating pad (6f), the upper end of the rotation axis (6i) pass through the thrust ball bearing (6d) afterwards with it is described every
Hot shaft coupling (6c) connection, lower end then connect the blade (6k), which is in the diversion pipe (22b) and revolves
Downward push power can be formed when turning, to push the flowing of fused salt (5)；The variable-frequency motor (6a) is mounted on the motor installation
On seat (6b).
5. a kind of tower type solar boiler according to claim 1, which is characterized in that the heat transferring medium import
(10a) and heat transferring medium export (10b) all in the cover (21) on；It is also set up in the heat absorption tank body (20a)
Have a medium entrance skirt (10c) and media outlet skirt (10d), the upper port of the two stretch out after the cover (21) respectively with it is described
Heat transferring medium import (10a) and heat transferring medium outlet (10b) connection, the lower port of the two is then from the upper of heat accumulation tank body (20b)
Portion is stretched out outside it.
6. a kind of tower type solar boiler according to claim 2 or 3, which is characterized in that the heat pipe (11) or heat exchange
Managing (14), tubulose is arranged in column, and is provided with several baffle plates (15).
7. a kind of tower type solar boiler according to claim 1, which is characterized in that in the immersion fused salt heat exchanging device
(1) or in fused salt list storage tank (2), alternatively, being respectively arranged in the immersion fused salt heat exchanging device (1) and fused salt list storage tank (2)
Temp probe (7).
8. a kind of tower type solar boiler according to claim 1, which is characterized in that in heat accumulation tank body (20b) lower lateral
It sets and is welded with several heating muffs (24), which exposes, and is provided with high temperature in the heating muff (24)
Electric heater (25).
9. a kind of tower type solar boiler according to claim 1, which is characterized in that on heat absorption tank body (20a) inner wall
It is provided with several cooling fins (26).
10. a kind of tower type solar boiler according to claim 1, which is characterized in that at the top of heat absorption tank body (20a)
A muff (27) are provided with, which can move up and down, and can entangle the heat absorption tank body when moving down just
(20a) plays heat-blocking action.
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| CN110454343A (en) * | 2019-08-15 | 2019-11-15 | 李渊 | A kind of supercritical CO2For the tower light heat generator of cycle fluid |
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| CN111059007A (en) * | 2019-11-16 | 2020-04-24 | 李渊 | Secondary reflection type light-gathering solar heat utilization system |
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