CN117663694A - Wind-solar complementary energy-supply heat collection type pasture drying system - Google Patents
Wind-solar complementary energy-supply heat collection type pasture drying system Download PDFInfo
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- CN117663694A CN117663694A CN202311807156.6A CN202311807156A CN117663694A CN 117663694 A CN117663694 A CN 117663694A CN 202311807156 A CN202311807156 A CN 202311807156A CN 117663694 A CN117663694 A CN 117663694A
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- 238000001035 drying Methods 0.000 title claims abstract description 122
- 230000000295 complement effect Effects 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000003860 storage Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000010248 power generation Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims description 29
- 244000025254 Cannabis sativa Species 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000007602 hot air drying Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000004459 forage Substances 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The application discloses a solar-solar complementary energy-supply heat-collection type pasture drying system, which relates to the technical field of drying equipment and comprises a drying bin, energy-supply equipment and a drying system; the energy supply equipment comprises a solar photovoltaic power generation plate, a wind generating set and a storage battery; the drying system comprises an air heating drying device and a water heating drying device; the air heating drying device comprises a first solar heat collector, an air heat collecting pipe, a blower and a standby electric auxiliary heater; a flow equalizing plate is arranged in the drying bin; the drying bin is internally divided into an air inlet cavity and a storage cavity by the flow equalizing plate; the hydrothermal drying device comprises a second solar heat collector, a water flow heat collecting pipe, a circulating water pump and a heat exchanger; the heat exchanger is arranged on the pasture placing station, one end of the heat exchanger is communicated with the water outlet end of the circulating water pump, and the other end of the heat exchanger is communicated with the other end of the water flow heat collecting pipe. The drying process has good stability and continuity and low drying efficiency.
Description
Technical Field
The application relates to the technical field of drying systems, in particular to a wind-solar complementary energy-supply heat collection type pasture drying system.
Background
In modern animal husbandry, hay is a main hay processing product, accounting for 70% of the hay product, and hay drying processing is one of the most important links affecting the quality of the hay.
The main pasture drying processing production method in China is a dry harvesting process, the water content of pasture is reduced to be below the safe water content through natural airing, and then finished pasture is bundled; on the other hand, after the pasture is harvested, chopped and loaded by a direct harvesting process, the pasture is transported to a drying factory from the field to be directly subjected to mechanical drying operation, and the efficient drying processing production of the pasture is completed.
Different pasture drying modes and equipment are key to influencing the production efficiency and quality of pasture, and the main pasture drying modes at present comprise natural drying, hot air drying, solar drying and the like. The natural drying method does not need special equipment and has low cost, but is easy to be influenced by environment, and has large quality loss. The hot air drying is a common mechanical drying method, and the air heated by the fuel is used for carrying out heat and mass exchange with pasture to remove water, so that the drying efficiency is obviously improved, but the adoption of coal as an energy source for drying the pasture can cause environmental pollution, and the adoption of fuel oil has high cost. In order to solve the problem, solar drying modes are also proposed in the prior art, but most of the solar drying modes are solar single energy supply modes, and due to the instability and the discontinuity of solar energy, a certain space-time region limit exists in single use of solar energy, and the limited drying space limits the heat and mass exchange efficiency of pasture drying.
Disclosure of Invention
In view of this, the purpose of this application is to provide a solar and wind complementary energy supply's heat collection formula forage grass drying system to solve the instability that exists, discontinuity lead to drying inefficiency's technical problem of current single solar energy supply mode's drying technology.
In order to achieve the technical purpose, the application provides a wind-solar complementary energy-supply heat collection type pasture drying system, which comprises a drying bin, energy supply equipment and drying equipment;
the energy supply equipment comprises a solar photovoltaic power generation plate, a wind generating set and a storage battery;
the solar photovoltaic power generation plate and the wind generating set are electrically connected with the storage battery;
the drying equipment comprises an air heating drying device and a water heating drying device;
the air heating drying device comprises a first solar heat collector, an air heat collecting pipe, a blower and a standby electric auxiliary heater;
a flow equalizing plate is arranged in the drying bin;
the drying bin is internally divided into an air inlet cavity and a storage cavity by the flow equalizing plate;
a pasture placing station is arranged in the storage chamber;
the standby electric auxiliary heater is arranged in the air inlet chamber and is used for heating air passing through the air inlet chamber;
the air heat collecting pipe is arranged on the first solar heat collector, and one end of the air heat collecting pipe is communicated with the air inlet end of the air blower through a hot air pipe;
the air outlet end of the air feeder is communicated with the air inlet cavity;
the hydrothermal drying device comprises a second solar heat collector, a water flow heat collecting pipe, a circulating water pump and a heat exchanger;
the water flow heat collecting pipe is arranged on the second solar heat collector, and one end of the water flow heat collecting pipe is communicated with the water inlet end of the circulating water pump through a hot water pipe;
the heat exchanger is arranged on the pasture placing station, one end of the heat exchanger is communicated with the water outlet end of the circulating water pump, and the other end of the heat exchanger is communicated with the other end of the water flow heat collecting pipe.
Further, the device also comprises a tracking bracket capable of tracking illumination;
the solar photovoltaic power generation plate, the first solar heat collector and the second solar heat collector are installed on the tracking bracket.
Further, the hydrothermal drying apparatus further includes a first condenser;
the other end of the heat exchanger is communicated with the other end of the water flow heat collecting pipe through the first condenser;
the first condenser is used for cooling water flowing back to the water flow heat collecting pipe.
Further, the plurality of pasture placing stations are arranged in two groups along the direction approaching to or separating from the flow equalizing plate;
a transportation passage is formed between one group of pasture placing stations close to the flow equalizing plate and the other group of pasture placing stations far away from the flow equalizing plate;
the number of the heat exchangers is multiple, and the heat exchangers are in one-to-one correspondence with the pasture placing stations.
Further, a group of forage grass placing stations close to the flow equalizing plate are provided with first grass placing frames in one-to-one correspondence;
the other group of pasture placing stations far away from the flow equalizing plate are provided with second grass placing frames in one-to-one correspondence;
at least one layer of storage plates which are used for storing pasture and are provided with vent holes are arranged on the first grass storage rack and the second grass storage rack;
the heat exchanger is arranged at the bottom of the storage plate.
Further, the air-heating drying device also comprises a filter;
the filter is arranged at the other end of the air heat collecting tube.
Further, the air conditioner also comprises a turbulent fan;
the turbulent flow fan is arranged at the top of the drying bin and is used for forming turbulent flow in the storage cavity.
Further, the method also comprises post-processing equipment;
the post-treatment equipment comprises an exhaust fan, a second condenser, a dust remover and a dust collecting bag;
the air inlet end of the exhaust fan is communicated with an air outlet communicated with the storage cavity on the drying bin through the dust remover;
the dust collecting bag is arranged on the dust remover;
the second condenser is used for cooling air in the process of being conveyed to the dust remover through the air outlet.
Further, the first condenser and the second condenser are both air-cooled condensers;
the air output from the dust collecting bag is returned to the cooling medium inlets of the first condenser and the second condenser through the circulating pipe.
Further, the device also comprises a controller, a temperature sensor and a humidity sensor;
a water flow valve is arranged on the hot water pipe;
the air control valve is arranged on the hot air pipe;
the temperature sensor and the humidity sensor are arranged in the storage chamber;
the controller is electrically connected with the storage battery, the water flow valve, the air control valve, the temperature sensor and the humidity sensor.
According to the technical scheme, the wind-solar complementary energy-supply heat collection type pasture drying system has the following beneficial effects:
1. the solar energy, the photo-heat, the solar energy, the photovoltaic energy, the wind energy power generation and the wind energy-mechanical energy are combined by utilizing green renewable solar energy and wind energy resources, and the combination of a plurality of utilization modes ensures the efficient, continuous and stable operation of pasture drying, and is particularly suitable for the tropical pasture producing areas in northwest and south coasts, and reduces the carbon emission in the traditional fuel heating and drying mode.
2. The air-circulating water heat collection type combined drying mode is adopted, so that the energy in a drying system is more fully converted and utilized, and the drying efficiency and the quality of the dry pasture are improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a block diagram of a wind-solar complementary powered heat collection type pasture drying system provided in the present application;
FIG. 2 is a flow chart diagram of a wind-solar complementary powered heat collection type pasture drying system provided in the present application;
in the figure: 100. an energy supply device; 200. a drying device; 201. an air-heating drying device; 202. a hydrothermal drying device; 300. a post-treatment device; 1. a solar photovoltaic power generation panel; 2a, a first solar collector; 2b, a second solar collector; 3. a filter; 4. an air heat collecting pipe; 5. a water flow heat collecting pipe; 6. tracking a support; 7. a wind power generator set; 8. a conveying circuit; 9. a storage battery; 10. a hot air pipe; 11. a wind control valve; 12. a blower; 13. a hot water pipe; 14. a water flow valve; 15. a circulating water pump; 16. a controller; 17. a drying bin; 18. a standby electric auxiliary heater; 19. a flow equalizing plate; 20. a temperature sensor; 21. a humidity sensor; 22. a heat exchanger; 23. a first condenser; 24. a first grass placing frame; 25. a second grass placing frame; 26. a transportation aisle; 27. a turbulent fan; 28. an air outlet; 29. a second condenser; 30. a dust remover; 31. a dust collecting bag; 32. an exhaust fan; 33. and an outlet of the cold air pipe.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the embodiments of the present application.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
The embodiment of the application discloses a solar-solar complementary energy-supply heat collection type pasture drying system.
Referring to fig. 1 and fig. 2, an embodiment of a wind-solar complementary energy powered heat collection type pasture drying system provided in an embodiment of the present application includes:
drying bin 17, energizing apparatus 100, and drying apparatus 200.
The energy supply device 100 comprises a solar photovoltaic power generation panel 1, a wind power generation set 7 and a storage battery 9.
The solar photovoltaic power generation panel 1 and the wind generating set 7 are electrically connected with the storage battery 9, and electric energy generated by photovoltaic power generation and wind power generation is stored in the storage battery 9 and then supplied to required electric control components or devices such as a controller 16, a blower 12, a circulating water pump 15, an exhaust fan 32, a temperature sensor 20, a humidity sensor 21, a standby electric auxiliary heater 18 and the like. The solar photovoltaic power generation panel 1 is connected with the storage battery 9 through the conveying circuit 8, and a part of electric energy is stored for being used for supplying power at night or in overcast and rainy days; similarly, the wind generating set 7 is connected with the storage battery 9 through the conveying circuit 8, and a part of electric energy obtained by converting wind energy is stored for supplying power at night or in overcast and rainy days. The functional equipment takes renewable energy functions as a main part, and takes storage battery energy storage and an external circuit as standby electric auxiliary heat energy.
The drying apparatus 200 comprises an air-heated drying device 201 and a hydro-heated drying device 202.
The air-heat drying device 201 includes a first solar collector 2a, an air heat collecting pipe 4, a blower 12, and a backup electric sub-heater 18.
The drying bin 17 is internally provided with the flow equalizing plate 19, the flow equalizing plate 19 divides the drying bin 17 into an air inlet cavity and a storage cavity, the flow equalizing plate 19 has the existing flow equalizing structure design, the flow equalizing effect is achieved, the flow equalizing plate can be a design with a shutter to adjust the air outlet direction, or the flow equalizing plate is directly a design with uniformly-distributed flow equalizing holes, and the flow equalizing plate is not limited.
A pasture placing station is arranged in the storage chamber so as to be convenient for placing pasture.
A backup electric auxiliary heater 18 is mounted in the air intake chamber for heating air passing through the air intake chamber. The standby electric auxiliary heater 18 can be an electric auxiliary heating belt, and can obtain hot air by electric heating through wind power generation when the solar energy photo-thermal energy and the photoelectric supply are insufficient, so that the multi-energy complementation is realized, and the continuous and stable drying operation of pasture is ensured.
The air heat collecting pipe 4 is installed on the first solar heat collector 2a, one end of the air heat collecting pipe is communicated with the air inlet end of the blower 12 through the hot air pipe 10, and the air outlet end of the blower 12 is communicated with the air inlet cavity. The air enters the air heat collecting tube 4, hot air is formed under the heating action of the first solar heat collector 2a, then enters the air inlet chamber through the hot air pipe 10 and the blower 12, and is uniformly conveyed into the storage chamber through the flow equalizing plate 19, so that pasture in the storage chamber is purged and dried.
The hydro-thermal drying device 202 includes the second solar collector 2b, the water flow heat collecting pipe 5, the circulating water pump 15, and the heat exchanger 22.
The water flow heat collecting pipe 5 is arranged on the second solar heat collector 2b, and one end of the water flow heat collecting pipe is communicated with the water inlet end of the circulating water pump 15 through the hot water pipe 13; the heat exchanger 22 is installed on the pasture placing station, one end of the heat exchanger is communicated with the water outlet end of the circulating water pump 15, and the other end of the heat exchanger is communicated with the other end of the water flow heat collecting pipe 5. The second solar heat collector 2b heats the circulating water in the water flow heat collecting pipe 5, the heated circulating water enters the heat exchanger 22 in the storage chamber through the hot water pipe 13 and the circulating water pump 15, and then the circulating water circularly flows back into the water flow heat collecting pipe 5 from the heat exchanger 22, so that a complete circulating water heat collecting type drying loop is formed. The heat exchanger 22 may be of a tube-fin type construction, without limitation. The heat exchanger 22 is preferably disposed below the pasture, and dries the pasture together with the hot air outputted from the flow equalizing plate 19.
The wind-solar complementary energy-supply heat collection type pasture drying system has the following beneficial effects:
1. the solar energy, the photo-heat, the solar energy, the photovoltaic energy, the wind energy power generation and the wind energy-mechanical energy are combined by utilizing green renewable solar energy and wind energy resources, and the combination of a plurality of utilization modes ensures the efficient, continuous and stable operation of pasture drying, and is particularly suitable for the tropical pasture producing areas in northwest and south coasts, and reduces the carbon emission in the traditional fuel heating and drying mode.
2. Compared with a single drying mode design, the air-circulating water heat collection type combined drying mode is adopted, so that energy in a drying system is more fully converted and utilized, and the drying efficiency and the quality of the dry pasture are improved.
The above is an embodiment one of a wind-solar hybrid energy-supplied heat collection type pasture drying system provided in the embodiments of the present application, and the following is an embodiment two of a wind-solar hybrid energy-supplied heat collection type pasture drying system provided in the embodiments of the present application, refer to fig. 1 and fig. 2 specifically.
Based on the scheme of the first embodiment:
further, the device also comprises a tracking bracket 6 capable of tracking illumination, and the tracking bracket 6 can be designed or used with reference to the existing tracking bracket device, and is not described in detail. By using the tracking bracket 6, the utilization illumination of the maximized degree can be ensured, thereby improving the photovoltaic power generation and heat collection efficiency.
The solar photovoltaic power generation panel 1, the first solar heat collector 2a and the second solar heat collector 2b are uniformly arranged on the tracking bracket 6, so that integrated installation is realized, the whole structure is more compact, the space is saved, the additional tracking bracket 6 is saved, and the cost is reduced.
Further, the hydrothermal drying apparatus 202 further includes a first condenser 23, the other end of the heat exchanger 22 is communicated with the other end of the water flow heat collecting tube 5 through the first condenser 23, and the first condenser 23 is used for cooling water flowing back to the water flow heat collecting tube 5. By providing the first condenser 23, the water flowing back into the water flow heat collecting pipe 5 can be made as liquid as possible, which has a better heating effect than the case of mixing vapor and liquid, and also has a better drying effect on pasture.
Further, the pasture placing stations are multiple, and are divided into two groups along the direction approaching or separating from the flow equalizing plate 19; a transportation passage 26 is formed between one group of pasture placement stations close to the flow equalizing plate 19 and another group of pasture placement stations far from the flow equalizing plate 19; the transportation corridor 26 is arranged, so that the pasture can be transported conveniently. In the case that the number of the grass placing stations is plural, the number of the heat exchangers 22 is plural, and the heat exchangers 22 are in one-to-one correspondence with the grass placing stations, the input ends of the heat exchangers 22 can be connected to the output end of the circulating water pump 15 together through one branch pipe respectively, and the output ends of the heat exchangers 22 can be connected to the water flow heat collecting pipe 5 together through one branch pipe respectively; of course, it is also possible to connect a plurality of heat exchangers 22 end to end, then, the input end of the first heat exchanger 22 is connected to the output end of the circulating water pump 15, and the output end of the last heat exchanger 22 is connected to the water flow heat collecting pipe 5, without limitation.
Further, a group of grass placing stations close to the flow equalizing plate 19 are provided with first grass placing frames 24 in one-to-one correspondence, and another group of grass placing stations far away from the flow equalizing plate 19 are provided with second grass placing frames 25 in one-to-one correspondence. The number of the first grass placing frames 24 and the second grass placing frames 25 is plural, for example, three, without limitation. The first grass placing frame 24 and the second grass placing frame 25 may form an included angle with the flow equalizing plate 19, and the included angle may be less than 90 degrees, may be greater than 90 degrees, or is not limited in particular.
The first grass placing frame 24 and the second grass placing frame 25 are respectively provided with at least one layer of object placing plate which is used for placing pasture and is provided with vent holes, the object placing plate is provided with a vent hole, hot air can pass through the object placing plate to dry the pasture better, and under the design, the heat exchanger 22 can be specifically arranged at the bottom of the object placing plate so as to realize hot water drying of the lower layer of the pasture, and hot air drying of the upper layer of the pasture. The object placing plate can be obliquely arranged at a certain downward angle, so that the pasture over-wind area is increased.
Further, the air drying device 201 further includes a filter 3, and the filter 3 is mounted to the other end of the air heat collecting pipe 4. The filter 3 is a conventional air filtering module, and can filter air entering the air heat collecting tube 4 so as to avoid polluting pasture and improve the quality of dry pasture.
Further, the air-conditioning system further comprises a turbulent fan 27, wherein the turbulent fan 27 is an existing pneumatic turbulent fan device, and the number of the turbulent fans can be multiple; the turbulent flow fan 27 is arranged at the top of the drying bin 17 and is driven to rotate under the action of external air flow, so that turbulent flow is formed in the storage cavity, the heat transfer performance of hot air for drying pasture is enhanced, and the drying efficiency is improved.
Further, a post-processing device 300 is included.
The aftertreatment device 300 comprises an exhaust fan 32, a second condenser 29, a dust separator 30 and a dust bag 31.
The air inlet end of the exhaust fan 32 is communicated with an air outlet 28 of the communicating storage chamber on the drying bin 17 through a dust remover 30; the dust bag 31 is mounted on the dust remover 30; the second condenser 29 is used for cooling the air that is conveyed to the dust catcher 30 via the air outlet 28. The warm and humid air after heat exchange is discharged out of the drying bin 17 through the air outlet 28, is condensed by the second condenser 29 to remove water vapor, is treated by the dust remover 30 and is discharged through the cold air pipe outlet 33 connected with the output end of the exhaust fan 32, and the impurities such as grass dust and dust are collected by the dust collecting bag 31. The dust remover 30 may be a cyclone dust removing device, without limitation.
The design of the post-treatment equipment can reduce the environmental influence and the production cost in the process of drying pasture.
Further, the first condenser 23 and the second condenser 29 are both designed as air-cooled condensers, so that the air output from the dust bag 31 can be returned to the cooling medium inlets of the first condenser 23 and the second condenser 29 through the circulation pipe; that is, the dry and cold air flow discharged from the cold air pipe outlet 33 is recycled and utilized for the air flow purging of the first condenser 23 and the second condenser 29, and energy recovery is performed for circulating cooling, so that the energy consumption is further reduced, and the cost is saved.
Further, for automation control, the controller 16, the temperature sensor 20, and the humidity sensor 21 are also included.
The hot water pipe 13 is provided with a water flow valve 14, the hot air pipe 10 is provided with an air control valve 11, and the temperature sensor 20 and the humidity sensor 21 are arranged in the storage chamber. One end of the hot air pipe 10 is connected with one end of the air control valve 11, and the other end of the air control valve 11 is connected with the blower 12; one end of the hot water pipe 13 is connected with one end of the water flow valve 14, and the other end of the water flow valve 14 is connected with the circulating water pump 15.
The controller 16 is electrically connected to the battery 9, the water flow valve 14, the air control valve 11, the temperature sensor 20, and the humidity sensor 21. Controller 16 is also electrically connected to suction fan 32.
The temperature sensor 20 and the humidity sensor 21 may be multiple groups, and are uniformly arranged in the storage chamber, so as to detect the temperature and the humidity in the storage chamber in real time, so that the controller 16 is convenient to feedback the controller 16, and the controller 16 controls the opening of the air control valve 11 to control the hot air speed and the opening of the water flow valve 14 to control the hot water flow according to the feedback data, thereby ensuring the pasture drying efficiency and quality. When the solar photo-thermal energy supply is insufficient, the hydrothermal drying device 202 stops working, so that the energy source of electric heating water is saved, and the air heating drying device 201 mainly supplies heat. The controller 16 performs integrated regulation and control according to the requirements of drying temperature and the like, so that the energy conversion and utilization in the drying system are more sufficient, and the drying efficiency and the quality of the dry pasture are improved.
The foregoing describes a heat collection type pasture drying system with wind-solar complementary energy provided by the present application in detail, and for those skilled in the art, according to the ideas of the embodiments of the present application, there are changes in the specific embodiments and application ranges, so the content of the present application should not be construed as limiting the present application.
Claims (10)
1. The solar-solar complementary energy-supply heat-collection type pasture drying system is characterized by comprising a drying bin (17), energy supply equipment (100) and drying equipment (200);
the energy supply device (100) comprises a solar photovoltaic power generation panel (1), a wind generating set (7) and a storage battery (9);
the solar photovoltaic power generation panel (1) and the wind generating set (7) are electrically connected with the storage battery (9);
the drying device (200) comprises an air-heating drying device (201) and a water-heating drying device (202);
the air heating drying device (201) comprises a first solar heat collector (2 a), an air heat collecting pipe (4), a blower (12) and a standby electric auxiliary heater (18);
a flow equalizing plate (19) is arranged in the drying bin (17);
the drying bin (17) is internally divided into an air inlet cavity and a storage cavity by the flow equalizing plate (19);
a pasture placing station is arranged in the storage chamber;
the standby electric auxiliary heater (18) is arranged in the air inlet chamber and is used for heating air passing through the air inlet chamber;
the air heat collecting pipe (4) is arranged on the first solar heat collector (2 a), and one end of the air heat collecting pipe is communicated with the air inlet end of the air feeder (12) through a hot air pipe (10);
the air outlet end of the air feeder (12) is communicated with the air inlet cavity;
the hydrothermal drying device (202) comprises a second solar heat collector (2 b), a water flow heat collecting pipe (5), a circulating water pump (15) and a heat exchanger (22);
the water flow heat collecting pipe (5) is arranged on the second solar heat collector (2 b), and one end of the water flow heat collecting pipe is communicated with the water inlet end of the circulating water pump (15) through a hot water pipe (13);
the heat exchanger (22) is arranged on the pasture placing station, one end of the heat exchanger is communicated with the water outlet end of the circulating water pump (15), and the other end of the heat exchanger is communicated with the other end of the water flow heat collecting pipe (5).
2. A solar and solar hybrid powered heat collection type pasture drying system according to claim 1, further comprising a tracking bracket (6) capable of tracking illumination;
the solar photovoltaic power generation panel (1), the first solar heat collector (2 a) and the second solar heat collector (2 b) are mounted on the tracking bracket (6).
3. A wind-solar complementary powered heat collection type pasture drying system according to claim 1, wherein the hydro-thermal drying device (202) further comprises a first condenser (23);
the other end of the heat exchanger (22) is communicated with the other end of the water flow heat collecting pipe (5) through the first condenser (23);
the first condenser (23) is used for cooling water flowing back to the water flow heat collecting pipe (5).
4. The wind-solar complementary energy-supplied heat collection type pasture drying system according to claim 1, wherein a plurality of pasture placement stations are arranged, and two groups are arranged along the direction approaching or separating from the flow equalization plate (19);
a transportation aisle (26) is formed between one group of pasture placement stations close to the flow equalizing plate (19) and the other group of pasture placement stations far away from the flow equalizing plate (19);
the number of the heat exchangers (22) is multiple, and the heat exchangers are in one-to-one correspondence with the pasture placing stations.
5. A wind-solar complementary energy-supplied heat collection type pasture drying system according to claim 4, wherein a group of pasture placing stations close to the flow equalizing plate (19) are provided with first pasture placing frames (24) in one-to-one correspondence;
the other group of pasture placing stations far away from the flow equalizing plate (19) are provided with second pasture placing frames (25) in one-to-one correspondence;
at least one layer of storage plates which are used for storing pasture and are provided with vent holes are arranged on the first grass storage rack (24) and the second grass storage rack (25);
the heat exchanger (22) is arranged at the bottom of the storage plate.
6. A wind-solar complementary powered heat collection type pasture drying system according to claim 1, wherein the air-heat drying device (201) further comprises a filter (3);
the filter (3) is arranged at the other end of the air heat collecting tube (4).
7. A wind-solar complementary powered heat collection type pasture drying system according to claim 1, further comprising a turbulence fan (27);
the turbulent flow fan (27) is arranged at the top of the drying bin (17) and is used for forming turbulent flow in the storage cavity.
8. A wind-solar complementary powered heat collection type pasture drying system according to claim 3, further comprising post-processing equipment (300);
the post-treatment device (300) comprises an exhaust fan (32), a second condenser (29), a dust remover (30) and a dust collecting bag (31);
the air inlet end of the exhaust fan (32) is communicated with an air outlet (28) communicated with the storage cavity on the drying bin (17) through the dust remover (30);
the dust collecting bag (31) is arranged on the dust remover (30);
the second condenser (29) is used for cooling air in the process of being conveyed to the dust remover (30) through the air outlet (28).
9. A wind-solar complementary energy-supplied heat collection type pasture drying system according to claim 8, wherein the first condenser (23) and the second condenser (29) are air-cooled condensers;
the air output from the dust collecting bag (31) is returned to the cooling medium inlets of the first condenser (23) and the second condenser (29) through a circulating pipe.
10. A wind-solar complementary powered heat collection type pasture drying system according to claim 1, further comprising a controller (16), a temperature sensor (20) and a humidity sensor (21);
a water flow valve (14) is arranged on the hot water pipe (13);
an air control valve (11) is arranged on the hot air pipe (10);
the temperature sensor (20) and the humidity sensor (21) are installed in the storage chamber;
the controller (16) is electrically connected with the storage battery (9), the water flow valve (14), the air control valve (11), the temperature sensor (20) and the humidity sensor (21).
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| CN202311807156.6A CN117663694B (en) | 2023-12-26 | 2023-12-26 | Wind-solar complementary energy-supply heat collection type pasture drying system |
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Cited By (1)
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