CN220338727U - Solid particle heat absorption, heat storage and heat exchange device based on secondary reflection condensation technology - Google Patents
Solid particle heat absorption, heat storage and heat exchange device based on secondary reflection condensation technology Download PDFInfo
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- CN220338727U CN220338727U CN202321967537.6U CN202321967537U CN220338727U CN 220338727 U CN220338727 U CN 220338727U CN 202321967537 U CN202321967537 U CN 202321967537U CN 220338727 U CN220338727 U CN 220338727U
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- 238000005516 engineering process Methods 0.000 title claims abstract description 22
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- 239000000463 material Substances 0.000 claims abstract description 53
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 238000004321 preservation Methods 0.000 claims abstract description 9
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- 230000005855 radiation Effects 0.000 claims description 19
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- 230000000903 blocking effect Effects 0.000 claims description 5
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- 229910052782 aluminium Inorganic materials 0.000 claims description 2
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
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- 238000010438 heat treatment Methods 0.000 abstract description 11
- 238000010248 power generation Methods 0.000 description 6
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
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- 229910052734 helium Inorganic materials 0.000 description 2
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a solid particle heat absorption, heat storage and heat exchange device based on a secondary reflection condensation technology, which comprises a composite parabolic condenser, a heat preservation wall body, a material distribution bin, a horizontal material conveyor and a spiral material lifting machine; the heat-insulating wall body is internally provided with a heat absorption cavity, a high-temperature heat storage bin, a heat exchanger bin and a low-temperature heat storage bin from top to bottom respectively; the compound parabolic condenser is arranged on the secondary reflector, and the material distribution bin is arranged at the lower part of the compound parabolic condenser; the upper end of the heat preservation wall body is provided with a heat absorption cavity annular wall and a heat absorption cavity shunt, and a cavity formed by the heat absorption cavity annular wall and the wall surface of the heat absorption cavity shunt is a heat absorption cavity; the outlet of the low-temperature heat storage bin is connected with a horizontal material conveyor. The utility model can adapt to the operation characteristics of the secondary reflection tower type photo-thermal power station, has compact structure, small occupied area, strong adjustability of the flow velocity of solid particles, uniform heating, small heat loss, flexible operation and high safety, and can effectively ensure the safe and stable operation of the photo-thermal power station and has higher economy.
Description
Technical Field
The utility model belongs to the field of solar photo-thermal power generation, and particularly relates to a solid particle heat absorption, heat storage and heat exchange integrated device based on a secondary reflection condensation technology.
Background
Under the background of carbon peak and carbon neutralization, the construction mode of a large base with complementary multiple new energy sources of photo-thermal, photovoltaic and wind power is increasingly focused and accepted. The solar thermal power generation system has the characteristic of self-contained energy storage, and forms a stable and adjustable basic power supply together with new energy sources such as photovoltaic, wind power and the like in the future. In the fully competitive market environment, the photo-thermal power generation technology is required to continuously improve the stability of the system, reduce the construction cost and the operation cost, and adapt to the development trend of new energy in the future.
The solid particles are heat absorption and energy storage working media with high stability, high temperature resistance, large temperature utilization range and low price. Currently, the common light absorbing particles are mainly quartz sand, hard clay clinker and ceramic particles. The solid particles can be used as working medium of solar thermal power generation technology to make the heat absorption and storage temperature reach above 700 ℃, supercritical carbon dioxide or helium turbine can be configured, and the thermodynamic cycle efficiency of the system is further improved by adopting Brayton cycle, so that the purpose of reducing the electricity cost is achieved.
The existing solid particle heat absorber is based on the traditional tower technology, mostly adopts a sand curtain structure, the heat absorbing and storing devices are separated, the particle movement speed is difficult to control, the outlet temperature is unstable, and the heat loss is large.
Disclosure of Invention
The utility model aims at: the solid particle heat absorption, heat storage and heat exchange integrated device based on the secondary reflection condensation technology can be used for the heat absorption, heat storage and heat exchange processes of solid particles and has the characteristics of high heat absorption efficiency, uniform heating, compact arrangement, safe operation and high economy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology has the function of light-heat conversion. Comprises a compound parabolic condenser, a heat-insulating wall body, a material distribution bin, a horizontal material conveyor and a spiral material elevator;
the heat preservation wall body is internally provided with a heat absorption cavity, a high-temperature heat storage bin, a heat exchanger bin and a low-temperature heat storage bin from top to bottom respectively;
the compound parabolic condenser is arranged below the secondary reflector;
the material distribution bin is arranged at the lower part of the composite parabolic condenser and is fixed at the upper end of the heat preservation wall;
the upper end of the heat preservation wall body is provided with a heat absorption cavity annular wall and a heat absorption cavity shunt, and a cavity formed by the heat absorption cavity annular wall and the heat absorption cavity shunt wall surface is a heat absorption cavity;
the heat absorption cavity annular wall comprises a top wall, side walls and a lower wall, wherein an inclined heat absorption wall is arranged on the top wall through a bracket and is positioned below an outlet of the cloth bin;
the side wall and the light receiving surface of the heat absorption cavity shunt are both provided with radiation walls;
a high-temperature heat storage bin is arranged below the heat absorption cavity, a wall body is arranged in the high-temperature heat storage bin, and the heat absorption cavity shunt is arranged at the upper end of the wall body; a bin gate is arranged between the lower end of the heat absorption cavity diverter and the lower wall of the heat absorption cavity annular wall, and a discharge hopper is arranged at the lower end of the high-temperature heat storage bin;
the heat exchanger bin is arranged below the high-temperature heat storage bin, the discharge hopper of the high-temperature heat storage bin is positioned in the heat exchanger bin, and a heat exchanger is arranged in the heat exchanger bin; the discharging hopper is connected with the heat exchanger feeding hopper;
the low-temperature heat storage bin is arranged below the heat exchanger bin, and a discharge valve is arranged at the outlet of the low-temperature heat storage bin; the outlet of the low-temperature heat storage bin is connected with a horizontal material conveyor, the horizontal material conveyor is connected with a spiral material elevator, and the outlet of the spiral material elevator is connected with a material distribution bin.
In the utility model, the following components are added: the solid particle heat absorption, heat storage and heat exchange integrated device based on the secondary reflection condensation technology is arranged at the center of the heliostat field and below the secondary reflection tower, and a compound parabolic condenser is arranged below the secondary reflection mirror to converge sunlight focused by the secondary reflection mirror again.
In the utility model, the following components are added: the solid particles may be one or a mixture of quartz sand, hard clay clinker, and ceramic particles.
In the utility model, the following components are added: the material distribution bin and the inclined heat absorption wall are arranged below the compound parabolic condenser, solid particles uniformly flow from an outlet of the material distribution bin to a light receiving surface of the inclined heat absorption wall, and a heat absorption wall support with a variable height is arranged at the back of the inclined heat absorption wall and used for adjusting the inclination angle of the inclined heat absorption wall.
The longitudinal section shape of the compound parabolic condenser is 1 section, 2 sections or a plurality of sections of parabolas, and the inner surface material of the compound parabolic condenser is a glass mirror or an aluminum mirror or high-reflectivity ceramic.
The material of the material distribution bin structure is stainless steel or refractory bricks or high-temperature resistant concrete, the overall structure is funnel-shaped, and the outlet is sharp-mouth-shaped.
The height of the support is variable, so that the inclination angle of the inclined heat absorption wall is adjusted, and the flow velocity of solid particles on the surface of the inclined heat absorption wall is adjusted.
The wall of the heat absorption cavity is a hollow structure built by refractory bricks or high-temperature resistant concrete.
In the utility model, the following components are added: the flow blocking device is arranged on the light receiving surface of the inclined heat absorbing wall, so that the descending speed of solid particles can be reduced, and the adjustability of the flow speed of the solid particles on the light receiving surface of the inclined heat absorbing wall is improved.
In the utility model, the following components are added: the heat absorption cavity annular wall and the heat absorption cavity flow divider are arranged below the inclined heat absorption wall, solid particles continuously fall after absorbing focused solar energy flow through the inclined heat absorption wall, and continuously receive focused solar energy flow, radiation energy of the heat absorption cavity radiation wall and radiation energy of the curved surface radiation wall in the heat absorption cavity for heating, so that the temperature is further increased. The radiation wall surface on the side wall of the heat absorption cavity ring wall is of a tooth-shaped structure.
In the utility model, the following components are added: the heat absorption cavity flow divider is of a structure with a small upper part and a large lower part, and the longitudinal section edge curve is a conical curve, a normal distribution curve, a sine curve or a cosine curve, so that the heat absorption cavity flow divider is suitable for the distribution of focused solar energy flow after secondary reflection, and the purpose of uniformly heating solid particles is achieved. The curved radiation wall is arranged on the outer surface of the heat absorption cavity diverter and is used for diverting and heating solid particles falling from the inclined heat absorption wall.
In the utility model, the following components are added: the solid particles falling down after passing through the heat absorption cavity flow divider fall into a high-temperature heat storage bin for storage; the heat exchanger bin is arranged below the high-temperature heat storage bin, and 2 or more heat exchangers are arranged in the heat exchanger bin; the low-temperature heat storage bin is arranged below the heat exchanger bin, solid particles fall into the low-temperature heat storage bin after passing through the heat exchanger, the outlet of the low-temperature heat storage bin is provided with a low-temperature heat storage bin discharge valve, and the solid particles fall into a horizontal material conveyor at the bottom of the device after passing through the discharge valve, are conveyed to the spiral material lifting machine and are conveyed to the material distribution bin.
The heat exchanger comprises a heat exchanger shell, wherein the upper end of the heat exchanger shell is provided with a heat exchanger feeding hopper, the lower end of the heat exchanger shell is provided with a heat exchanger discharging hopper, and a serpentine heat exchange tube is arranged in the heat exchanger shell; an inlet flow control valve is arranged on the feed hopper of the heat exchanger, and an outlet flow control valve is arranged on the discharge hopper of the heat exchanger.
In the utility model, the following components are added: the heat exchanger bin can be provided with 2 or more heat exchangers, an inlet flow control valve is arranged at the inlet of the heat exchanger feed hopper, and the number of the heat exchangers and the material flow are adjusted according to the thermal load.
After the scheme is adopted, the beneficial effects of the utility model are as follows:
(1) The heat absorption, heat exchange and heat storage device adopts integrated arrangement, has compact structure, saves occupied area, has small heat loss and reduces construction and operation cost.
(2) The compound parabolic condenser is arranged to converge the sunlight focused by the secondary reflector again, so that the purposes of reducing light loss and improving solar energy flow uniformity are achieved.
(3) The back of the inclined heat absorbing wall is provided with a support with a variable height, so that the inclination angle of the inclined heat absorbing wall can be adjusted, the movement speed of solid particles on the light receiving surface of the inclined heat absorbing wall can be adjusted according to solar energy, and the aim of controlling the heat absorbing temperature is fulfilled.
(4) The flow blocking device is arranged on the light receiving surface of the inclined heat absorbing wall, so that the descending speed of solid particles can be reduced, the adjustability of the flow speed of the solid particles on the light receiving surface of the inclined heat absorbing wall is improved, and the controllability of the heating temperature is further improved.
(5) The heat absorption cavity annular wall and the heat absorption cavity flow divider are arranged below the inclined heat absorption wall, solid particles continuously receive focused solar energy flow in the heat absorption cavity, radiation energy of the heat absorption cavity radiation wall and radiation energy of the curved radiation wall for heating, the temperature is further improved, and the heating uniformity can be improved by the heating mode.
(6) The heat absorption cavity flow divider is of a structure with a small upper part and a large lower part, and the shape of the heat absorption cavity flow divider is suitable for the distribution of focused solar energy flow after secondary reflection, so that the purpose of uniformly heating solid particles is achieved.
(7) The heat exchanger bin is provided with 2 or more heat exchangers, the number of the heat exchangers and the material flow are adjusted according to the heat load, and the output of the power station can be flexibly adjusted so as to realize the aim of multi-functional complementation.
Drawings
Figures 1-3 are schematic representations of the present utility model, which are included to provide a further understanding of the present utility model and are not intended to constitute a undue limitation of the present utility model.
FIG. 1 is a schematic diagram of a solid particle heat absorption, storage and exchange device based on a secondary reflection condensing technology;
in the figure: 1-a compound parabolic condenser, 2-a heat-insulating wall, 3-a material distribution bin, 4-a horizontal material conveyor and 5-a spiral material lifter;
wherein the heat preservation wall body 2 comprises a 21-heat absorption cavity, a 22-high-temperature heat storage bin, a 23-heat exchanger bin and a 24-low-temperature heat storage bin from top to bottom;
the heat absorbing chamber 21 is composed of: 211-heat absorbing cavity annular walls, 2111-top wall, 2112-side walls and 2113-bottom wall, 212-heat absorbing cavity shunts, 213-inclined heat absorbing walls, 214-brackets;
high temperature heat storage bin 22: 221, bin gate, 222, discharging hopper;
the heat exchanger bin 23 is composed of: 231-heat exchanger, 2311-inlet flow control valve, 2312-heat exchanger feed hopper, 2313-shell, 2314-heat exchange tube, 2315-heat exchanger discharge hopper, 2316-outlet flow control valve;
the low-temperature heat storage bin 24 is composed of: 241-discharge valve.
Fig. 2 is a schematic view of an inclined heat absorbing wall and a bracket according to the present utility model, wherein a choke 2131 is mounted on a light receiving surface of the inclined heat absorbing wall.
FIG. 3 is a schematic view of a radiation wall on the side wall of the heat absorbing chamber, and the surface is in a tooth structure.
Detailed Description
Specific embodiments of the present utility model will now be described in detail with reference to fig. 1, 2 and 3, wherein the exemplary examples and descriptions are provided for the purpose of illustrating the utility model only and are not intended to be limiting.
As shown in fig. 1, the solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology is arranged at the center of the heliostat field and below the secondary reflection tower.
The material distributing device comprises a compound parabolic condenser 1, a heat-preserving wall 2, a material distributing bin 3, a horizontal material conveyor 4 and a spiral material lifting machine 5;
the heat-insulating wall body 2 is internally provided with a heat absorption cavity 21, a high-temperature heat storage bin 22, a heat exchanger bin 23 and a low-temperature heat storage bin 24 from top to bottom respectively;
the compound parabolic condenser 1 is arranged below the secondary reflector;
the material distribution bin 3 is arranged at the lower part of the composite parabolic condenser 1 and is fixed at the upper end of the heat preservation wall body 2;
the upper end of the heat preservation wall body 2 is provided with a heat absorption cavity annular wall 211 and a heat absorption cavity diverter 212, and a cavity formed by the heat absorption cavity annular wall and the heat absorption cavity diverter wall surface is a heat absorption cavity 21;
the heat absorbing cavity annular wall 211 comprises a top wall 2111, side walls 2112 and a lower wall 2113, wherein an inclined heat absorbing wall 213 is arranged on the top wall 2111 through a bracket 214, and the inclined heat absorbing wall 213 is positioned below an outlet of the cloth bin 3;
the side wall and the light receiving surface of the heat absorption cavity shunt are both provided with radiation walls;
a high-temperature heat storage bin 22 is arranged below the heat absorption cavity 21, a wall body is arranged in the high-temperature heat storage bin 22, and the heat absorption cavity shunt 212 is arranged at the upper end of the wall body; a bin gate 221 is arranged between the lower end of the heat absorption cavity diverter and the lower wall 2113 of the heat absorption cavity annular wall, and a discharge hopper 222 is arranged at the lower end of the high-temperature heat storage bin 22;
the heat exchanger bin 23 is arranged below the high-temperature heat storage bin 22, the high-temperature heat storage bin discharging hopper 222 is positioned inside the heat exchanger bin 23, and a heat exchanger 231 is arranged inside the heat exchanger bin; the discharge hopper 222 is connected with a heat exchanger feed hopper 2312;
the low-temperature heat storage bin 24 is arranged below the heat exchanger bin 23, and a discharge valve 241 is arranged at the outlet of the low-temperature heat storage bin; the outlet of the low-temperature heat storage bin is connected with a horizontal material conveyor 4, the horizontal material conveyor 4 is connected with a spiral material lifting machine 5, and the outlet of the spiral material lifting machine 5 is connected with a material distribution bin 3.
In the combined operation mode of heat absorption, heat storage and heat exchange, sunlight is reflected to the secondary reflector 102 through the heliostat field 101, and high-multiple solar energy flows are formed after being focused through the secondary reflector 102 and are projected onto the composite parabolic concentrator 1, the inclined heat absorption wall 213, the heat absorption cavity 21 and the heat absorption cavity splitter 212, so that the composite parabolic concentrator 1 can reduce solar energy flow loss and homogenize solar energy flow distribution; the low-temperature solid particles (0-200 ℃) are distributed to the inclined heat absorption wall 213 through the distribution bin 3, the solid particles slide down along the light receiving surface of the inclined heat absorption wall 213 by gravity, and continue to be heated in the heat absorption cavity 21, so that the temperature of the solid particles is further increased; the solid particles are heated to become high-temperature solid particles (500-1000 ℃), the high-temperature solid particles fall into the high-temperature heat storage bin 22 by opening the bin gate 221, the high-temperature heat storage bin gate 221 is kept in an open state under the running state, the high-temperature solid particles are stored in the high-temperature heat storage bin 22, the high-temperature solid particles enter the shell 2313 of the heat exchanger 231 through the discharge hopper 222 of the high-temperature heat storage bin and the inlet flow control valve 2311 of the heat exchanger during power generation, the fluid working medium of the heat exchanger flows in the heat exchange tube 2314 to exchange heat with the solid particles, the fluid working medium of the heat exchanger adopts a mode of entering from bottom to top, and the fluid working medium can be molten salt, supercritical carbon dioxide or helium. An outlet flow control valve 2316 is arranged on the heat exchanger discharging hopper 2315 and is used for balancing the inlet and outlet flow and preventing solid particles in the heat exchanger from flowing and blocking or generating a partial discharging area to cause insufficient heat exchange. The temperature of the solid particles after heat exchange is reduced, and the solid particles enter the low-temperature heat storage bin 24 for storage through the heat exchanger discharge hopper 2315 and the outlet flow control valve 2316. The low-temperature solid particles fall onto a horizontal material conveyor 4 at the bottom of the device through a discharge valve 241 of the low-temperature heat storage bin, are conveyed to a spiral material lifting machine 5, are conveyed to a material distribution bin 3 again, and are heated next time. The solid particles finish the heat absorption, heat storage and heat exchange processes in the process, and solar energy is converted into heat energy of fluid working media to drive the turbine set to generate electricity.
In the heat storage and heat exchange operation mode, the heliostat field 101 is in a closed state, the compound parabolic condenser, the inclined heat absorption wall 213, the heat absorption cavity shunt 212 and the curved radiation wall 2121 are not irradiated by solar energy, the high-temperature heat storage bin door 221 is kept in a closed state in the operation state, high-temperature solid particles are stored in the high-temperature heat storage bin 22, during power generation, the high-temperature solid particles enter the shell 2313 of the heat exchanger 231 in the heat exchanger bin 23 through the high-temperature heat storage bin outlet hopper 222 and the heat exchanger inlet flow control valve 2311, the fluid working medium of the heat exchanger flows in the heat exchange tube 2314 to exchange heat with the solid particles, and the solid particles after heat exchange enter the low-temperature heat storage bin 24 for storage through the low-temperature heat storage bin outlet valve 241. The horizontal material conveyor 4 and the screw type material hoist 5 are in a closed state.
As shown in fig. 2, the choke 2131 is installed on the light receiving surface of the inclined heat absorbing wall 213, and the solid particles slide down along the light receiving surface of the inclined heat absorbing wall 213 by gravity, and the flow speed of the solid particles is controlled by adjusting the height of the support 214. The flow blocking device 2131 can reduce the descending speed of solid particles and improve the adjustability of the flow speed of the solid particles on the light receiving surface of the inclined heat absorbing wall.
As shown in fig. 3, the radiation wall surface on the side wall 2112 of the heat absorption cavity ring wall is in a tooth structure, the radiation wall structure is made of high-temperature resistant ceramic, in this embodiment, silicon carbide, and the tooth structure can improve the radiation effect of the radiation wall of the heat absorption cavity and improve the heating uniformity of solid particles.
Claims (10)
1. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology is characterized in that the device is arranged at the center of a heliostat field and is positioned below a secondary reflection tower; comprises a compound parabolic condenser (1), a heat-preserving wall body (2), a material distribution bin (3), a horizontal material conveyor (4) and a spiral material lifting machine (5);
the heat insulation wall body (2) is internally provided with a heat absorption cavity (21), a high-temperature heat storage bin (22), a heat exchanger bin (23) and a low-temperature heat storage bin (24) from top to bottom respectively;
the compound parabolic condenser (1) is arranged below the secondary reflector;
the material distribution bin (3) is arranged at the lower part of the composite parabolic condenser (1) and is fixed at the upper end of the heat insulation wall body (2);
the upper end of the heat preservation wall body (2) is provided with a heat absorption cavity annular wall (211) and a heat absorption cavity shunt (212), and a cavity formed by the heat absorption cavity annular wall and the wall surface of the heat absorption cavity shunt is a heat absorption cavity (21);
the heat absorption cavity annular wall (211) comprises a top wall (2111), side walls (2112) and a lower wall (2113), an inclined heat absorption wall (213) is arranged on the top wall (2111) through a bracket (214), and the inclined heat absorption wall (213) is positioned below an outlet of the cloth bin (3);
the side wall and the light receiving surface of the heat absorption cavity shunt are both provided with radiation walls;
a high-temperature heat storage bin (22) is arranged below the heat absorption cavity (21), a wall body is arranged in the high-temperature heat storage bin (22), and the heat absorption cavity shunt (212) is arranged at the upper end of the wall body; a bin gate (221) is arranged between the lower end of the heat absorption cavity diverter and the lower wall (2113) of the heat absorption cavity annular wall, and a discharge hopper (222) is arranged at the lower end of the high-temperature heat storage bin (22);
the heat exchanger bin (23) is arranged below the high-temperature heat storage bin (22), the high-temperature heat storage bin discharging hopper (222) is positioned in the heat exchanger bin (23), and a heat exchanger (231) is arranged in the heat exchanger bin; the discharging hopper (222) is connected with the heat exchanger feeding hopper (2312);
the low-temperature heat storage bin (24) is arranged below the heat exchanger bin (23), and a discharge valve (241) is arranged at the outlet of the low-temperature heat storage bin; the outlet of the low-temperature heat storage bin is connected with a horizontal material conveyor (4), the horizontal material conveyor (4) is connected with a spiral material lifting machine (5), and the outlet of the spiral material lifting machine (5) is connected with a material distribution bin (3).
2. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology as claimed in claim 1, wherein the longitudinal section shape of the compound parabolic condenser (1) is 1 section, 2 sections or a plurality of sections of parabolas, and the inner surface material is a glass mirror or an aluminum mirror or high-reflectivity ceramic.
3. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensing technology according to claim 1, wherein the structural material of the distribution bin (3) is stainless steel, refractory bricks or high-temperature resistant concrete, the overall structure is funnel-shaped, and the outlet is pointed.
4. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology as claimed in claim 1, wherein the height of the bracket (214) is variable to adjust the inclination angle of the inclined heat absorption wall (213) so as to adjust the flow velocity of the solid particles on the surface of the inclined heat absorption wall.
5. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology as claimed in claim 1, wherein the light receiving surface of the inclined heat absorption wall (213) is provided with a flow blocking device, so that the dropping speed of the solid particles can be reduced, and the adjustability of the flow speed of the solid particles on the light receiving surface of the inclined heat absorption wall can be improved.
6. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensing technology according to claim 1, wherein the heat absorption cavity annular wall (211) is a hollow structure built by refractory bricks or high-temperature resistant concrete.
7. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensing technology according to claim 1, wherein the radiation wall is made of high-temperature resistant ceramic materials.
8. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensation technology as claimed in claim 1, wherein the heat absorption cavity shunt (212) is of a structure with a small upper part and a large lower part, and the longitudinal section edge curve is a conical curve, a normal distribution curve, a sine curve or a cosine curve.
9. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection condensing technology according to claim 1 is characterized in that two or more heat exchangers (231) are arranged inside the heat exchanger bin (23).
10. The solid particle heat absorption, heat storage and heat exchange device based on the secondary reflection and condensation technology according to claim 1, wherein the heat exchanger (231) comprises a heat exchanger shell (2313), a heat exchanger feeding hopper (2312) is arranged at the upper end of the heat exchanger shell, a heat exchanger discharging hopper (2315) is arranged at the lower end of the heat exchanger shell, and a serpentine heat exchange tube (2314) is arranged inside the heat exchanger shell; an inlet flow control valve (2311) is arranged on the heat exchanger feed hopper, and an outlet flow control valve (2316) is arranged on the heat exchanger discharge hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321967537.6U CN220338727U (en) | 2023-07-25 | 2023-07-25 | Solid particle heat absorption, heat storage and heat exchange device based on secondary reflection condensation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321967537.6U CN220338727U (en) | 2023-07-25 | 2023-07-25 | Solid particle heat absorption, heat storage and heat exchange device based on secondary reflection condensation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220338727U true CN220338727U (en) | 2024-01-12 |
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ID=89457326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321967537.6U Active CN220338727U (en) | 2023-07-25 | 2023-07-25 | Solid particle heat absorption, heat storage and heat exchange device based on secondary reflection condensation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220338727U (en) |
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2023
- 2023-07-25 CN CN202321967537.6U patent/CN220338727U/en active Active
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