CN212585331U - Waste heat recovery type solar drying power generation system - Google Patents
Waste heat recovery type solar drying power generation system Download PDFInfo
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- CN212585331U CN212585331U CN202021307577.4U CN202021307577U CN212585331U CN 212585331 U CN212585331 U CN 212585331U CN 202021307577 U CN202021307577 U CN 202021307577U CN 212585331 U CN212585331 U CN 212585331U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a waste heat recovery formula solar energy stoving power generation system, include: the system comprises a sunlight room, an exhaust power generation device, a waste heat recovery device, a solar heat collection device and a hot air adjusting device; the exhaust power generation device and the waste heat recovery device are arranged in an exhaust air duct connected with a hot air outlet of the sunlight room, the waste heat recovery device is connected with the solar heat collection device through a fresh air duct, and the solar heat collection device is connected with the sunlight room through a hot air duct; the waste heat recovery type solar drying power generation system of the utility model obtains hot air through the sunlight room and the solar heat collection device, heats and dries the materials in the sunlight room, and obtains electric energy while the sunlight room exhausts air; the solar drying and the solar power generation are combined organically, so that the solar energy is fully utilized, additional energy is not needed, the environment is protected, and energy conservation and emission reduction are realized; the air supply temperature is adjustable, the temperature range of the dried materials is wide, and the material adaptability is strong.
Description
Technical Field
The utility model relates to a solar photothermal application and electricity generation technical field, concretely relates to waste heat recovery formula solar energy stoving power generation system.
Background
Drying refers to a process of removing the solvent in some way to retain the solid content, and generally refers to a process of introducing hot air to evaporate and take away the water in the material. The traditional drying equipment mostly adopts various modes such as airflow drying, spray drying, fluidized bed drying, rotary flash drying, infrared drying, microwave drying, freezing drying, impact drying, impinging stream drying, overheating drying, pulse combustion drying, heat pump drying and the like. In the drying process, the problems of product quality, environmental pollution, high energy consumption and the like become bottlenecks which restrict the drying development.
Solar energy is an environment-friendly and renewable energy source, and has become an important component of energy sources used by human beings, and at present, the development and utilization of solar energy increasingly become hot spots concerned by the industry, wherein the development and utilization of solar energy are mainly focused in the fields of solar heat utilization, solar power generation and the like. In the aspect of solar energy utilization, solar water heaters and hot water systems are commonly applied and mainly used for supplying hot water for life and bathing. The solar power generation mainly comprises forms of solar thermal power generation, solar photovoltaic power generation and the like.
Therefore, how to fully utilize solar energy, apply the solar energy to material drying, realize energy conservation and emission reduction, and protect the ecological environment is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is: the waste heat recovery type solar drying power generation system is provided, solar energy is fully utilized to dry materials, energy conservation and emission reduction are achieved, the ecological environment is protected, and power generation is considered at the same time.
In order to solve the technical problem, the technical scheme of the utility model is that: waste heat recovery formula solar energy stoving power generation system, waste heat recovery formula solar energy stoving power generation system includes: the system comprises a sunlight room, an exhaust power generation device, a waste heat recovery device and a solar heat collection device;
the sunlight room is provided with a sunlight room hot air inlet and a sunlight room hot air outlet, the sunlight room hot air outlet is connected with an air exhaust duct, and the sunlight room is used as a drying room;
the exhaust power generation device and the waste heat recovery device are arranged in the exhaust air duct;
the waste heat recovery device is connected with the solar heat collection device through a fresh air duct, the waste heat recovery device is connected with the air inlet end of the fresh air duct, the solar heat collection device is provided with a heat collection device air inlet end and a heat collection device air outlet end, the heat collection device air inlet end is connected with the fresh air duct air outlet end, and the heat collection device air outlet end is connected with the hot air inlet of the sunlight room through a hot air duct.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the waste heat recovery device adopts a tube bundle heat regenerator, the tube bundle heat regenerator comprises a plurality of fin tube bundles arranged between opposite side walls of the air exhaust duct, and tube cavities of the fin tube bundles form a fresh air inlet channel.
Wherein the solar heat collection device comprises: the solar heat collector comprises a gas distribution pipe, a gas collecting pipe, a plurality of vacuum glass pipes connected between the gas distribution pipe and the gas collecting pipe, and a solar reflecting plate used for reflecting sunlight towards the vacuum glass pipes, wherein the gas distribution pipe is positioned at the air inlet end of the heat collecting device and connected with the air outlet end of the fresh air duct, and the gas collecting pipe is positioned at the air outlet end of the heat collecting device and connected with the hot air duct.
The solar reflecting plate is a groove-type solar reflecting plate, the groove-type solar reflecting plate comprises an arc plate arranged on the supporting frame, and the inner arc surface of the arc plate faces towards the vacuum glass tube to reflect sunlight.
The vacuum glass tube is a double-layer vacuum glass tube, and an inner-layer glass tube of the double-layer vacuum glass tube is coated with a selective absorption coating.
The hot air inlet of the sunlight room is arranged at the bottom of the wall of the sunlight room, and the bottom in the sunlight room is provided with a diffuser communicated with the hot air inlet of the sunlight room.
The air exhaust duct is arranged at the top of the sunlight room, and an air outlet of the air exhaust duct is provided with a rain shielding cap.
Wherein, the sunshine room is a double-layer vacuum glass plate sunshine room.
The waste heat recovery type solar drying power generation system further comprises a hot air adjusting device, the hot air adjusting device comprises a temperature adjusting air channel and an adjusting valve group, the temperature adjusting air channel is connected with the hot air channel, the adjusting valve group comprises a fresh air valve, a hot air valve and a temperature adjusting air valve, the fresh air valve is arranged in the fresh air channel, the hot air valve is arranged in the hot air channel, and the temperature adjusting air valve is arranged in the temperature adjusting air channel.
The exhaust power generation device comprises a turbine fin and a generator which are connected.
After the technical scheme is adopted, the beneficial effects of the utility model are as follows:
because the utility model discloses a waste heat recovery formula solar energy stoving power generation system includes: the solar drying system comprises a sunlight room, an exhaust power generation device, a waste heat recovery device and a solar heat collection device, wherein the sunlight room is used as a drying room; when the system is operated, the sunlight room absorbs sunlight energy to raise the temperature in the sunlight room, the materials are heated and dried, the damp and hot air after drying the materials rises and flows through the air exhaust duct, and on the one hand, the air exhaust power generation device is pushed by the air exhaust to generate power; meanwhile, before entering the fresh air duct, external fresh air exchanges heat with the hot and humid air rising in the exhaust air duct to be preheated when flowing through the waste heat recovery device, so that the heat of the exhaust air is recycled; after preheating, the fresh air in the fresh air duct further absorbs solar energy when passing through the solar heat collection device and is heated to become hot air, and the hot air enters the sunlight room through the hot air duct to heat and dry materials in the sunlight room.
The waste heat recovery type solar drying power generation system of the utility model obtains hot air through the sunlight room and the solar heat collection device, heats and dries the materials in the sunlight room, and obtains electric energy while the sunlight room exhausts air; the system takes account of both solar drying and solar power generation, organically combines the solar drying and the solar power generation together, fully utilizes solar energy, is green and environment-friendly, and saves energy and reduces emission.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
in the figure: 1-fresh air duct; 2-fresh air valve; 3-rain-proof cap; 4-a waste heat recovery device; 5-turbine fins; 6-a generator; 7-an air exhaust duct; 8-sunlight room; 9-double-layer vacuum glass plate; 10-a diffuser; 101-air dispersing holes; 11-hot blast air valve; 12-hot air duct; 13-gas distribution pipe; 14-solar reflecting plate; 15-vacuum glass tube; 16-a gas collecting pipe; 17-a temperature adjusting air valve; 18-a temperature-adjusting air duct; 19-air supply duct.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
In the description of the present invention, it should be noted that the terms "connected" and "connected" should be interpreted broadly, and may be directly connected to each other or indirectly connected to each other through an intermediate medium, and those skilled in the art can understand the specific meaning of the terms according to specific situations.
As shown in fig. 1, the utility model discloses waste heat recovery formula solar drying power generation system includes: the system comprises a sunlight room 8, an exhaust power generation device, a waste heat recovery device 4, a solar heat collection device and a hot air adjusting device.
Wherein, sunshine room 8 is used as the stoving room of drying to the material, is material drying operation and thermal-arrest place. The sunshine room 8 is provided with sunshine room hot air inlet and sunshine room hot air outlet, and sunshine room hot air outlet is connected with air exhaust duct 7, and air exhaust duct 7 sets up the top in sunshine room 8 best, and the air exit in air exhaust duct 7 is provided with rain hat 3, and power generation facility and waste heat recovery device 4 of airing exhaust all set up in air exhaust duct 7. Wherein, the hot air inlet of the sunlight room is preferably arranged at the bottom of the wall of the sunlight room 8, the bottom in the sunlight room 8 is provided with a diffuser 10 communicated with the hot air inlet of the sunlight room, the diffuser 10 is provided with a plurality of air dispersing holes 101, obviously, the form of air dispersing gaps can also be adopted. Wherein, sunshine room 8 optimal design is double-deck vacuum glass board sunshine room, and the room wall in sunshine room 8 adopts double-deck vacuum glass board 9, and double-deck vacuum glass board 9 can install through light support and connect, forms the vacuum interlayer that vacuum is 0.05Pa between the double-deck vacuum glass board to reduce the heat loss that arouses because air convection and conduction.
Wherein, the exhaust generating set comprises a turbine fin 5 and a generator 6 which are connected. When the system is in operation, air in the sunlight room 8 is rapidly heated, flows from a low position to a high position of the exhaust air duct 7, flows through the exhaust power generation device and the waste heat recovery device 4, and is finally discharged, so that air circulation pressure difference is formed in the sunlight room 8, and the air in the whole system is driven to flow; the moist and hot air in the exhaust air duct 7 rises and flows to push the turbine fins 5 to rotate so as to drive the generator 6 to generate electricity, and the electricity generated by the generator 6 has various distribution forms and can be stored, controlled or output as required.
The waste heat recovery device 4 preferably adopts a finned tube bundle heat regenerator, the tube bundle heat regenerator comprises a plurality of fin tube bundles arranged between the opposite side walls of the air exhaust duct 7, and the tube cavities of the fin tube bundles form a fresh air inlet channel. A fresh air duct 1 is connected between the waste heat recovery device 4 and the solar heat collection device, and the waste heat recovery device 4 is connected with an air inlet end of the fresh air duct. The hot and humid air after drying the materials carries a large amount of heat, and the efficient fin type tube bundle heat regenerator is arranged in the exhaust air duct 7, so that the fresh air can be preheated before entering the fresh air duct 1, the heat recovery and the preheating of the air before entering the solar heat collection device are realized, and the comprehensive utilization efficiency of the heat is improved.
The solar heat collecting device is provided with a heat collecting device air inlet end and a heat collecting device air outlet end, the heat collecting device air inlet end is connected with the fresh air duct air outlet end, and the heat collecting device air outlet end is connected with the sunlight room hot air inlet through a hot air duct 12 and an air supply duct 19. Wherein, solar energy collection device includes: the solar collector comprises a gas distributing pipe 13, a gas collecting pipe 16, a plurality of vacuum glass pipes 15 connected between the gas distributing pipe 13 and the gas collecting pipe 16, and a plurality of solar reflecting plates 14 for reflecting sunlight to the vacuum glass pipes 15; the gas distributing pipe 13 is located at the air inlet end of the heat collecting device and connected with the air outlet end of the fresh air duct, and the gas collecting pipe 16 is located at the air outlet end of the heat collecting device and connected with the hot air duct 12. Wherein, the preferred trough type solar energy reflecting plate that adopts of solar energy reflecting plate 14, trough type solar energy reflecting plate are including setting up the arc on the support frame, and the intrados of arc is towards the reflection sunshine of vacuum glass pipe 15. The vacuum glass tube 15 is preferably a double-layer vacuum glass tube, and a selective absorption coating is further coated on an inner layer glass tube of the double-layer vacuum glass tube to fully absorb solar energy and improve heat collection efficiency. Wherein a vacuum interlayer with the vacuum degree of 0.05Pa is formed between the double-layer vacuum glass tubes to reduce heat loss caused by air convection and conduction.
The hot air adjusting device comprises a temperature adjusting air duct 18 and an adjusting valve group, the temperature adjusting air duct 18 is connected with the hot air duct 12, the adjusting valve group comprises a fresh air valve 2, a hot air valve 11 and a temperature adjusting air valve 17, the fresh air valve 2 is arranged in the fresh air duct 1, the hot air valve 11 is arranged in the hot air duct 12, and the temperature adjusting air valve 17 is arranged in the temperature adjusting air duct 18. When the system is started initially, the fresh air valve 2 and the hot air valve 11 are opened to be communicated with the air in the sunlight room 8 to form natural convection flow of hot air, and in the operation process, when the dried materials need high temperature, the fresh air valve 2 and the hot air valve 11 are closed, the air flow is reduced, and the air supply temperature of the air supply duct 19 is increased; when the drying material needs low temperature, opening the fresh air valve 2 and the hot air valve 11 to increase the air flow and reduce the air supply temperature of the air supply duct 19; when the temperature of hot air for drying materials is continuously increased and the large fresh air valve 2 and the large hot air valve 11 cannot be released, the temperature adjusting air valve 17 is opened, outdoor low-temperature air enters from the temperature adjusting air channel 18 and is mixed with hot air and then is sent into the sunlight room 8 through the air supply air channel 19, and the requirement of material drying temperature is met. The combined adjustment of the three air valves effectively ensures the adjustment of the air supply temperature, and the temperature range of the drying material is wide.
When the waste heat recovery type solar drying power generation system of the utility model operates, the sunlight room 8 absorbs sunlight energy to raise the temperature in the sunlight room, heat and dry the material, the damp and hot air after drying the material rises, and when the damp and hot air flows through the air exhaust duct 7, on one hand, the turbine fins 5 are pushed by the air exhaust to rotate so as to drive the generator 6 to generate electricity; meanwhile, before entering the fresh air duct 1, external fresh air is subjected to heat exchange with the hot and humid air rising in the exhaust air duct 7 to be preheated when flowing through the waste heat recovery device 4, so that the heat of the exhaust air is recycled; after preheating, the fresh air in the fresh air duct 1 further absorbs solar energy when passing through the solar heat collection device and is heated into hot air, and the hot air enters the sunlight room 8 through the hot air duct 12 and the air supply duct 19 to heat and dry the materials in the sunlight room 8. The waste heat recovery type solar drying power generation system of the utility model obtains hot air through the sunshine room 8 and the solar heat collection device, heats and dries the materials in the sunshine room, obtains electric energy while the sunshine room exhausts air, and generates additional income; the waste heat recovery type solar drying and power generating system of the utility model combines solar drying and solar power generation, organically combines the solar drying and the solar power generation, fully utilizes solar energy, does not need extra energy, is green and environment-friendly, saves energy and reduces emission; the air supply temperature is adjustable, the temperature range of the dried materials is wide, and the material adaptability is strong.
The foregoing is an example of the preferred embodiment of the present invention, and those parts not specifically mentioned are known in the art, and the scope of the present invention is defined by the appended claims, and all equivalent changes that can be made based on the teachings of the present invention are within the scope of the present invention.
Claims (10)
1. Waste heat recovery formula solar energy stoving power generation system, its characterized in that, waste heat recovery formula solar energy stoving power generation system includes: the system comprises a sunlight room, an exhaust power generation device, a waste heat recovery device and a solar heat collection device;
the sunlight room is provided with a sunlight room hot air inlet and a sunlight room hot air outlet, the sunlight room hot air outlet is connected with an air exhaust duct, and the sunlight room is used as a drying room;
the exhaust power generation device and the waste heat recovery device are arranged in the exhaust air duct;
the waste heat recovery device is connected with the solar heat collection device through a fresh air duct, the waste heat recovery device is connected with the air inlet end of the fresh air duct, the solar heat collection device is provided with a heat collection device air inlet end and a heat collection device air outlet end, the heat collection device air inlet end is connected with the fresh air duct air outlet end, and the heat collection device air outlet end is connected with the hot air inlet of the sunlight room through a hot air duct.
2. The waste heat recovery type solar drying power generation system of claim 1, wherein the waste heat recovery device adopts a tube bundle heat regenerator, the tube bundle heat regenerator comprises a plurality of fin tube bundles arranged between opposite side walls of the exhaust air duct, and tube cavities of the fin tube bundles form a fresh air inlet channel.
3. The waste heat recovery solar drying power generation system of claim 1, wherein the solar heat collection device comprises: the solar heat collector comprises a gas distribution pipe, a gas collecting pipe, a plurality of vacuum glass pipes connected between the gas distribution pipe and the gas collecting pipe, and a solar reflecting plate used for reflecting sunlight towards the vacuum glass pipes, wherein the gas distribution pipe is positioned at the air inlet end of the heat collecting device and connected with the air outlet end of the fresh air duct, and the gas collecting pipe is positioned at the air outlet end of the heat collecting device and connected with the hot air duct.
4. The waste heat recovery type solar drying and power generating system as claimed in claim 3, wherein the solar reflecting plate is a trough type solar reflecting plate, the trough type solar reflecting plate comprises an arc-shaped plate arranged on the supporting frame, and the inner arc surface of the arc-shaped plate reflects sunlight towards the vacuum glass tube.
5. The waste heat recovery type solar drying power generation system as claimed in claim 3, wherein the vacuum glass tube is a double-layer vacuum glass tube, and an inner layer glass tube of the double-layer vacuum glass tube is coated with a selective absorption coating.
6. The waste heat recovery type solar drying power generation system as claimed in claim 1, wherein the hot air inlet of the sunlight room is arranged at the bottom of the wall of the sunlight room, and a diffuser communicated with the hot air inlet of the sunlight room is arranged at the bottom in the sunlight room.
7. The waste heat recovery type solar drying power generation system as claimed in claim 1, wherein the exhaust air duct is disposed on the top of the sunlight room, and an air outlet of the exhaust air duct is provided with a rain-proof cap.
8. The waste heat recovery type solar drying power generation system as claimed in claim 1, wherein the sunlight room is a double-layer vacuum glass plate sunlight room.
9. The waste heat recovery type solar drying and power generating system as claimed in claim 1, further comprising a hot air adjusting device, wherein the hot air adjusting device comprises a temperature adjusting air duct and an adjusting valve set, the temperature adjusting air duct is connected to the hot air duct, the adjusting valve set comprises a fresh air valve, a hot air valve and a temperature adjusting air valve, the fresh air valve is disposed in the fresh air duct, the hot air valve is disposed in the hot air duct, and the temperature adjusting air valve is disposed in the temperature adjusting air duct.
10. The waste heat recovery solar drying power generation system of claim 1, wherein the exhaust power generation device comprises a turbine fin and a generator which are connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021307577.4U CN212585331U (en) | 2020-07-06 | 2020-07-06 | Waste heat recovery type solar drying power generation system |
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| CN202021307577.4U CN212585331U (en) | 2020-07-06 | 2020-07-06 | Waste heat recovery type solar drying power generation system |
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| CN212585331U true CN212585331U (en) | 2021-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111318A (en) * | 2021-10-21 | 2022-03-01 | 盛和资源(连云港)新材料科技有限公司 | Material drying system with zero carbon emission and operation method thereof |
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2020
- 2020-07-06 CN CN202021307577.4U patent/CN212585331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111318A (en) * | 2021-10-21 | 2022-03-01 | 盛和资源(连云港)新材料科技有限公司 | Material drying system with zero carbon emission and operation method thereof |
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