CN110686412A - Solar pseudo-ginseng drying device - Google Patents
Solar pseudo-ginseng drying device Download PDFInfo
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- CN110686412A CN110686412A CN201910888632.9A CN201910888632A CN110686412A CN 110686412 A CN110686412 A CN 110686412A CN 201910888632 A CN201910888632 A CN 201910888632A CN 110686412 A CN110686412 A CN 110686412A
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- 238000001035 drying Methods 0.000 title claims abstract description 106
- 244000131316 Panax pseudoginseng Species 0.000 title claims abstract description 34
- 235000003181 Panax pseudoginseng Nutrition 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 239000002918 waste heat Substances 0.000 claims abstract description 37
- 238000011084 recovery Methods 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 22
- 238000005338 heat storage Methods 0.000 claims description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 241000180649 Panax notoginseng Species 0.000 description 8
- 235000003143 Panax notoginseng Nutrition 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- INLFWQCRAJUDCR-IQVMEADQSA-N (1R,2S,4S,5'S,6R,7S,8R,9S,12S,13S)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane] Chemical compound O([C@@H]1[C@@H]([C@]2(CC[C@@H]3[C@@]4(C)CCCCC4CC[C@H]3[C@@H]2C1)C)[C@@H]1C)[C@]11CC[C@H](C)CO1 INLFWQCRAJUDCR-IQVMEADQSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930182490 saponin Natural products 0.000 description 2
- 150000007949 saponins Chemical class 0.000 description 2
- 235000017709 saponins Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 229920001184 polypeptide Chemical class 0.000 description 1
- 229920001282 polysaccharide Chemical class 0.000 description 1
- 239000005017 polysaccharide Chemical class 0.000 description 1
- 108090000765 processed proteins & peptides Chemical class 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
-
- 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
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a solar pseudo-ginseng drying device, which comprises a drying device body, wherein the drying device body comprises a wind mixing chamber and a drying chamber which are mutually separated, and further comprises a hot water circulating part, a hot water heat exchanging part, an air supply trapezoid body and a full waste heat recovery part; the hot water circulating part is communicated with the hot water heat exchange part and provides hot water, and the hot water heat exchange part is communicated with the air supply trapezoid body and provides heat; air supply trapezoid body and hot water heat transfer portion intercommunication one end and wind mixing chamber intercommunication, a plurality of first ventilation holes have been seted up to the bottom surface of air supply trapezoid body, and first ventilation hole all communicates with the drying chamber. The invention has the advantages of good drying stability, high drying efficiency, high energy utilization rate, energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to a solar pseudo-ginseng drying device.
Background
Notoginseng radix is the dried root of Panax notoginseng (Burk.) F.H.Chen of Araliaceae perennial herbaceous plant, and also known as Notoginseng radix for stopping bleeding. The panax notoginseng is very complex in chemical component composition and contains panax notoginseng saponins, polysaccharides, polypeptide compounds and various trace elements, wherein the saponins are important indexes for measuring the quality of the panax notoginseng, the saponins are composed of sapogenins and sugar, in the chemical structure, the sapogenins have different degrees of lipophilicity, and sugar chains have different degrees of hydrophilicity, so that the panax notoginseng drying property is complex. Pseudo-ginseng is used as a unique and precious Chinese medicinal material in China, is picked out as a fresh product, contains more water, is not easy to store for a long time, is easy to mildew and rot, and needs to be dried.
However, the current methods for drying the pseudo-ginseng comprise carbon fire drying, oven baking, sun drying and the like. The sun drying is carried out for a long time, the pseudo-ginseng can be remoistened in rainy days in the drying process, the pseudo-ginseng can be mildewed and rotten, the pseudo-ginseng is directly dried by the sun, the utilization rate of solar energy is low, and the pseudo-ginseng cannot be continuously dried at night; the quality of the pseudo-ginseng is affected by carbon fire drying or baking in an oven, the gas discharged by carbon combustion can cause greenhouse effect and pollute the environment, and meanwhile, the oven drying consumes a large amount of electric energy and is not suitable for drying a large amount of materials.
Therefore, it is an urgent need to solve the problems of the prior art to provide a solar energy device for drying radix notoginseng that integrates heat collection, heat storage and heating.
Disclosure of Invention
In view of the above, the invention provides a solar pseudo-ginseng drying device, which has the advantages of good drying stability, high drying efficiency, high energy utilization rate, energy conservation and environmental protection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a solar energy pseudo-ginseng drying device comprises a drying device body, wherein the drying device body comprises a wind mixing chamber and a drying chamber which are mutually separated, and also comprises a hot water circulating part, a hot water heat exchanging part, an air supply trapezoid body and a full waste heat recovery part,
an air inlet is formed in one side, away from the drying chamber, of the air mixing chamber in the width direction, and an outlet is formed in one side, corresponding to the air inlet, of the drying chamber;
the hot water circulating part is arranged on the outer surface of the drying device body, the air supply trapezoidal body is arranged on the top surface of the drying device body, and the hot water heat exchanging part is arranged on one side of the drying device body close to the air supply trapezoidal body; the hot water circulating part is communicated with the hot water heat exchange part and provides hot water, and the hot water heat exchange part is communicated with the air supply trapezoid body and provides heat; the air supply trapezoidal body is communicated with the hot water heat exchange part, one end of the air supply trapezoidal body is communicated with the air mixing chamber, a plurality of first air vents are formed in the bottom surface of the air supply trapezoidal body, and the first air vents are communicated with the drying chamber;
the full waste heat recovery portion is fixed one side of drying device body along length direction is used for full waste heat recovery, full waste heat recovery portion one end with the wind mixing chamber intercommunication, the three-way switch valve is installed to the other end, just a plurality of second ventholes have been seted up along length direction one side to full waste heat recovery portion, the second venthole all with the drying chamber intercommunication.
Further, the hot water circulating part comprises a solar heat collector, a circulating pipeline, a circulating water pump and a heat storage water tank,
the solar heat collector is fixed on the top surface of the drying device body through a bracket; one end of the circulating pipeline is connected with the solar heat collector, and the other end of the circulating pipeline is connected with the heat storage water tank; the circulating water pump is arranged at one end of the circulating pipeline close to the heat storage water tank;
the hot water heat exchange part comprises an air feeder, a fan coil group, a bidirectional water pump and a heat preservation water tank,
the air feeder is arranged at the mutual communication position of the air mixing chamber and the air feeding trapezoid body, one end of the fan coil group is connected with the air feeder, and two branches at the other end of the fan coil group are respectively connected with the heat storage water tank and the heat preservation water tank; the bidirectional water pump is arranged at one end of the fan coil group close to the heat-preservation water tank.
Further, the full waste heat recovery part comprises a full waste heat recovery air pipe, a plurality of heat pipe heat exchangers and a dehumidifier,
the full waste heat recovery air pipe is provided with a first channel and a second channel, the first channel is positioned at the upper part of the second channel, and the first channel and the second channel are connected into a whole through a heat-conducting thin plate; one end of the first channel is communicated with the air mixing chamber, the other end of the first channel is of an open structure, the side surface of the second channel, which is in contact with the drying chamber, is provided with a plurality of second ventilation holes communicated with the second channel, one end of the second channel is closed, and the other end of the second channel is also of an open structure; the three-way switching valve is arranged on the opening structure at the same end of the first channel and the second channel;
the heat pipe heat exchangers are arranged in the full waste heat recovery air pipe and are positioned at the second ventilation holes;
the dehumidifier is mounted within the first channel adjacent an end of the open structure.
Furthermore, the air mixing chamber and the drying chamber are connected into a whole through a wall body.
Furthermore, the main body of the drying chamber is formed by enclosing transparent glass.
Furthermore, the top surface of the air supply trapezoid body forms an inclined surface along the length direction.
Further, the rain shielding device further comprises a rain shielding baffle plate, and the rain shielding baffle plate is fixed above the opening structure of the first channel.
Furthermore, the water storage device further comprises two water valves, wherein the two water valves are respectively installed on the heat storage water tank and the heat preservation water tank.
By adopting the scheme, the invention has the beneficial effects that:
1) the three-way switching valve can control the ventilation between the first channel and the second channel and the outside, and can also regulate and control the ventilation between the two channels, the heat pipe heat exchanger is positioned at the heat pipe section of the second channel of the total waste heat recovery air pipe as an evaporation section and can absorb the heat in the humid hot air exhausted by the drying room, the heat pipe section positioned at the first channel of the total waste heat recovery air pipe is positioned as a condensation section and can emit the heat absorbed by the second channel of the total waste heat recovery air pipe so as to heat the air entering the first channel or the cold air after dehumidification, namely, the heat pipe heat exchanger exchanges heat between the humid hot air exhausted by the drying chamber and the air entering the upper channel of the total waste heat recovery air pipe, the dehumidified air enters the drying chamber again for drying the pseudo-ginseng, the waste heat in the pseudo-ginseng is recovered and fully utilized, the energy utilization rate of the drying is greatly improved, and the first channel and the second channel of the total waste heat recovery air pipe are separated, the air flowing through the full waste heat recovery air pipe can exchange heat in a flowing process in a thin plate heat conduction mode, the full waste heat recovery air pipeline has a certain length, cold air and hot air flowing through the first channel and the second channel can exchange heat for a long time, and the heat exchange efficiency is improved;
2) the solar heat collector, the heat storage water tank and the circulating water pump form hot water circulation, the air blower, the heat storage water tank, the bidirectional water pump, the fan coil group and the heat preservation water tank form a hot water bidirectional passage, wherein hot water under the heating action of the solar heat collector is stored in the heat storage water tank, and the hot water can provide domestic hot water in non-dry seasons; meanwhile, hot water heated by the solar heat collector can be used as a heat source for drying at night or in rainy days, the problem of intermittence of the traditional solar drying is solved, wherein the heat supply mode is heat exchange between hot water and air, the heat supply temperature can be regulated and controlled by adjusting the flow of a heat source, when the required drying temperature is higher, the hot water in the heat storage water tank flows through the fan coil group to exchange heat with the air, the hot water with lower temperature after heat exchange flows into the heat preservation water tank to be stored, when the required drying temperature is not high, hot water with lower temperature in the heat preservation water tank exchanges heat with air through the fan coil, the water after heat exchange flows into the heat storage water tank to be stored, and the water in the heat storage water tank is heated again through the solar heat collector.
3) The periphery of the drying chamber is made of transparent glass, under the condition of sunny days, sunlight can penetrate through the glass to directly heat the pseudo-ginseng material, a greenhouse effect can be formed in the drying chamber, a good heat preservation effect is achieved, hot air drying is combined, the temperature of the material can be rapidly increased, solar energy is fully utilized, and the utilization efficiency of the solar energy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of an overall structure of a solar panax notoginseng drying device provided by the invention;
FIG. 2 is a front view of FIG. 1 provided with the present invention;
FIG. 3 is a top view of FIG. 1 provided with the present invention;
FIG. 4 is a side view of FIG. 1 provided with the present invention;
figure 5 is a cross-sectional view taken along plane a-a of figure 3 in accordance with the present invention.
In the figure: 1. a drying chamber; 2. a wind mixing chamber; 3. a solar heat collector; 4. an air supply trapezoid body; 5. a heat pipe heat exchanger; 6. a first vent hole; 7. an air inlet; 8. a dehumidifier; 9. a second vent hole; 10. the air mixing chamber is communicated with the first channel; 11. a rain shield baffle; 12. the drying chamber is communicated with the first vent hole; 13. a circulation pipe; 14. a fan coil assembly; 15. the air mixing chamber is communicated with the air supply trapezoid body; 16. a heat storage water tank; 17. a second channel; 18. a first channel; 19. a water circulating pump; 20. a bidirectional water pump; 21. a heat preservation water tank; 22. a water valve; 23. an outlet; 24. a three-way switching valve; 25. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, the embodiment of the invention discloses a solar energy pseudo-ginseng drying device, which comprises a drying device body, wherein the drying device body comprises a wind mixing chamber 2 and a drying chamber 1 which are separated from each other, and further comprises a hot water circulating part, a hot water heat exchanging part, a wind supplying trapezoidal body 4 and a full waste heat recovery part, one side of the wind mixing chamber 2, which is far away from the drying chamber 1, along the width direction is provided with an air inlet 7, and one side of the drying chamber 1, which corresponds to the air inlet 7, is provided with an outlet 23; the hot water circulating part is arranged on the outer surface of the drying device body, the air supply trapezoidal body 4 is arranged on the top surface of the drying device body, and the hot water heat exchanging part is arranged on one side of the drying device body close to the air supply trapezoidal body 4; the hot water circulating part is communicated with the hot water heat exchange part and provides hot water, and the hot water heat exchange part is communicated with the air supply trapezoid body 4 and provides heat; one end of the air supply trapezoid body 4, which is communicated with the hot water heat exchange part, is communicated with the air mixing chamber 2, a plurality of first air vents 6 are formed in the bottom surface of the air supply trapezoid body 4, and the first air vents 6 are communicated with the drying chamber 1; the full waste heat recovery portion is fixed on one side of the drying device body along the length direction and used for full waste heat recovery, one end of the full waste heat recovery portion is communicated with the air mixing chamber 2, the other end of the full waste heat recovery portion is provided with a three-way switching valve 24, the full waste heat recovery portion is provided with a plurality of second vent holes 9 along one side of the length direction, and the second vent holes 9 are communicated with the drying chamber 1. The invention has the advantages of good drying stability, high drying efficiency, high energy utilization rate, energy conservation and environmental protection.
Specifically, the hot water circulating part comprises a solar heat collector 3, a circulating pipeline 13, a circulating water pump 19 and a heat storage water tank 16, and the solar heat collector 3 is fixed on the top surface of the drying device body through a bracket 25; one end of the circulating pipeline 13 is connected with the solar heat collector 3, and the other end of the circulating pipeline 13 is connected with the heat storage water tank 16; the circulating water pump 19 is arranged at one end of the circulating pipeline 13 close to the heat storage water tank 16; the hot water heat exchange part comprises an air feeder, a fan coil group 14, a bidirectional water pump 20 and a heat preservation water tank 21, the air feeder is arranged at the mutual communication position of the air mixing chamber 2 and the air feeding trapezoid body 4, one end of the fan coil group 14 is connected with the air feeder, and two branches at the other end of the fan coil group 14 are respectively connected with the heat preservation water tank 16 and the heat preservation water tank 21; a bi-directional water pump 20 is mounted at one end of the fan coil unit 14 adjacent to a holding water tank 21.
Specifically, the full waste heat recovery part comprises a full waste heat recovery air pipe, a plurality of heat pipe exchangers 5 and a dehumidifier 8, the full waste heat recovery air pipe is provided with a first channel 18 and a second channel 17, the first channel 18 is positioned at the upper part of the second channel 17, and the first channel 18 and the second channel 17 are connected into a whole through a heat-conducting thin plate; one end of the first channel 18 is communicated with the air mixing chamber 2, the other end of the first channel 18 is of an open structure, the side surface of the second channel 17, which is in contact with the drying chamber 1, is provided with a plurality of second ventilation holes 9 communicated with the second channel, one end of the second channel 17 is closed, and the other end of the second channel 17 is also of an open structure; the three-way switching valve 24 is installed on the opening structure at the same end of the first passage 18 and the second passage 17; the heat pipe heat exchangers 5 are arranged in the full waste heat recovery air pipe and are positioned at the second vent holes 9; the dehumidifier 8 is mounted inside the first channel 18 near one end of the open structure.
Specifically, the air mixing chamber 2 and the drying chamber 1 are connected into a whole through a wall body.
Specifically, the main body of the drying chamber 1 is surrounded by transparent glass.
Specifically, the top surface of the blowing trapezoidal body 4 is formed with an inclined surface along the longitudinal direction.
In particular, a rain shield 11 is also included, the rain shield 11 being fixed above the open structure of the first channel 18.
Specifically, the water storage device further comprises two water valves 22, and the two water valves 22 are respectively installed on the hot water storage tank 16 and the heat preservation water tank 21.
The invention has 5 working modes:
1) the daytime running mode of the early stage of drying the pseudo-ginseng is as follows: starting a circulating water pump 19 and a bidirectional water pump 20 to enable hot water of the solar heat collector 3, the circulating water pump 19 and the hot water storage tank 16 to run in a circulating mode, and simultaneously starting a hot water passage from the hot water storage tank 16, the bidirectional water pump 19 and a fan coil group 14 to a heat preservation water tank 21; the blower is opened, the three-way switching valve 24 introduces outside air, the air inlet 7 is opened, at the moment, part of the air in the air mixing chamber 2 comes from the air inlet 7, and part of the air comes from the air heated by the dehumidifier 8 and the heat pipe heat exchanger 5, the two parts of mixed air are sent to the air supply trapezoid body 4 through the blower 20, and the mixed air is evenly sent to the drying chamber 1 through the air supply trapezoid body 4 to dry the pseudo-ginseng;
2) the operation mode at night in the early stage of drying of pseudo-ginseng is as follows: the circulating water pump 19 is closed, the bidirectional water pump 20 is opened, the hot water circulation of the solar heat collector 3, the circulating water pump 19 and the hot water storage tank 16 is stopped, and a hot water passage from the heat preservation water tank 21, the bidirectional water pump 20 and the fan coil group 14 to the hot water storage tank 16 is opened; the air feeder is opened, the three-way switching valve 24 introduces outside air, the air inlet 7 is opened, part of the air in the air mixing chamber 2 comes from the air inlet 7, part of the air comes from hot air which flows through the dehumidifier 8 and is heated by the heat pipe heat exchanger 5, the two parts of mixed air are sent to the air feeding trapezoid body 4 through the air feeder, and the mixed air is evenly sent to the drying chamber 1 through the air feeding trapezoid body 4 to dry the pseudo-ginseng;
3) the operation mode of the pseudo-ginseng in the daytime at the later drying stage: starting a circulating water pump 19 and a bidirectional water pump 20 to enable hot water of the solar heat collector 3, the circulating water pump 19 and the hot water storage tank 16 to run in a circulating mode, and starting a hot water passage from the hot water storage tank 16, the bidirectional water pump 20 and a fan coil group 14 to a heat preservation water tank 21; the method comprises the following steps that a blower is turned on, a three-way switching valve 24 is turned on to start a return air mode, a first channel 18 is communicated with a second channel 17, an air inlet 7 is closed, air discharged from a drying room 1 flows through a dehumidifier 8 and then is heated by a heat pipe heat exchanger 5 to enter a wind mixing chamber 2, the air in the wind mixing chamber 2 is sent to a wind supply trapezoidal body 4 through the blower, and the air is evenly sent to the drying room 1 through the wind supply trapezoidal body 4 to dry pseudo-ginseng;
4) the operation mode at night in the later period of drying the pseudo-ginseng is as follows: the circulating water pump 19 is closed, the bidirectional water pump 20 is opened, the hot water circulation of the solar heat collector 3, the circulating water pump 19 and the hot water storage tank 16 is stopped, and a hot water passage from the heat preservation water tank 22, the bidirectional water pump 20 and the fan coil group 14 to the hot water storage tank 16 is opened; the blower is turned on, the three-way switching valve 24 works in a return air mode, the first channel 18 is communicated with the second channel 17, the air inlet 7 is closed, air discharged from the drying room 1 flows through the dehumidifier 8 and then enters the air mixing chamber 2 after being heated by the heat pipe heat exchanger 5, the air in the air mixing chamber 2 is delivered to the air delivery trapezoid body 4 through the blower, and the air is uniformly delivered into the drying room 1 through the air delivery trapezoid body 4 to dry the pseudo-ginseng;
5) heat storage mode without drying of pseudo-ginseng: starting a circulating water pump 19, closing a bidirectional water pump 20, enabling hot water of the solar heat collector 3, the circulating water pump 19 and the hot water storage tank 16 to run in a circulating mode, and closing a bidirectional hot water passage from the hot water storage tank 16, the bidirectional water pump 20 and a fan coil group 14 to a heat preservation water tank 21; the blower is turned off, the air inlet 7 is closed, only the solar collector 3 is operated in hot water circulation, and the stored hot water is ready for use during drying.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A solar energy pseudo-ginseng drying device comprises a drying device body, wherein the drying device body comprises an air mixing chamber and a drying chamber which are mutually separated, and is characterized by also comprising a hot water circulating part, a hot water heat exchanging part, an air supply trapezoid body and a full waste heat recovery part,
an air inlet is formed in one side, away from the drying chamber, of the air mixing chamber in the width direction, and an outlet is formed in one side, corresponding to the air inlet, of the drying chamber;
the hot water circulating part is arranged on the outer surface of the drying device body, the air supply trapezoidal body is arranged on the top surface of the drying device body, and the hot water heat exchanging part is arranged on one side of the drying device body close to the air supply trapezoidal body; the hot water circulating part is communicated with the hot water heat exchange part and provides hot water, and the hot water heat exchange part is communicated with the air supply trapezoid body and provides heat; the air supply trapezoidal body is communicated with the hot water heat exchange part, one end of the air supply trapezoidal body is communicated with the air mixing chamber, a plurality of first air vents are formed in the bottom surface of the air supply trapezoidal body, and the first air vents are communicated with the drying chamber;
the full waste heat recovery portion is fixed one side of drying device body along length direction is used for full waste heat recovery, full waste heat recovery portion one end with the wind mixing chamber intercommunication, the three-way switch valve is installed to the other end, just a plurality of second ventholes have been seted up along length direction one side to full waste heat recovery portion, the second venthole all with the drying chamber intercommunication.
2. The solar pseudo-ginseng drying device according to claim 1, wherein the hot water circulating part comprises a solar heat collector, a circulating pipe, a circulating water pump and a hot water storage tank,
the solar heat collector is fixed on the top surface of the drying device body through a bracket; one end of the circulating pipeline is connected with the solar heat collector, and the other end of the circulating pipeline is connected with the heat storage water tank; the circulating water pump is arranged at one end of the circulating pipeline close to the heat storage water tank;
the hot water heat exchange part comprises an air feeder, a fan coil group, a bidirectional water pump and a heat preservation water tank,
the air feeder is arranged at the mutual communication position of the air mixing chamber and the air feeding trapezoid body, one end of the fan coil group is connected with the air feeder, and two branches at the other end of the fan coil group are respectively connected with the heat storage water tank and the heat preservation water tank; the bidirectional water pump is arranged at one end of the fan coil group close to the heat-preservation water tank.
3. The solar pseudo-ginseng drying device according to claim 2, wherein the full waste heat recovery part comprises a full waste heat recovery air pipe, a plurality of heat pipe exchangers and a dehumidifier,
the full waste heat recovery air pipe is provided with a first channel and a second channel, the first channel is positioned at the upper part of the second channel, and the first channel and the second channel are connected into a whole through a heat-conducting thin plate; one end of the first channel is communicated with the air mixing chamber, the other end of the first channel is of an open structure, the side surface of the second channel, which is in contact with the drying chamber, is provided with a plurality of second ventilation holes communicated with the second channel, one end of the second channel is closed, and the other end of the second channel is also of an open structure; the three-way switching valve is arranged on the opening structure at the same end of the first channel and the second channel;
the heat pipe heat exchangers are arranged inside the full waste heat recovery air pipe and are respectively positioned at the second vent holes;
the dehumidifier is mounted within the first channel adjacent an end of the open structure.
4. The solar pseudo-ginseng drying device according to claim 1, wherein the air mixing chamber and the drying chamber are connected into a whole through a wall.
5. The solar pseudo-ginseng drying device according to claim 1, wherein the body of the drying chamber is enclosed by transparent glass.
6. The solar pseudo-ginseng drying device according to claim 1, wherein the top surface of the blowing trapezoid is formed with an inclined surface along the length direction.
7. The solar pseudo-ginseng drying device according to claim 3, further comprising a rain shield fixed above the open structure of the first channel.
8. The solar pseudo-ginseng drying device according to claim 2, further comprising two water valves, wherein the two water valves are respectively mounted on the heat storage water tank and the heat preservation water tank.
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| CN110686412B (en) | 2020-12-01 |
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