CN115136984A - Grain sterilization drying-machine - Google Patents

Grain sterilization drying-machine Download PDF

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Publication number
CN115136984A
CN115136984A CN202210481064.2A CN202210481064A CN115136984A CN 115136984 A CN115136984 A CN 115136984A CN 202210481064 A CN202210481064 A CN 202210481064A CN 115136984 A CN115136984 A CN 115136984A
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CN
China
Prior art keywords
drying
grain
drying box
assembled
ultraviolet
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Pending
Application number
CN202210481064.2A
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Chinese (zh)
Inventor
姜少华
王庆林
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202210481064.2A priority Critical patent/CN115136984A/en
Publication of CN115136984A publication Critical patent/CN115136984A/en
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/08—Drying; Subsequent reconstitution
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/06—Preserving by irradiation or electric treatment without heating effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
    • F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
    • 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
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • 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
    • 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
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the 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
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
    • 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
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
    • 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
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a grain sterilization dryer which mainly comprises an equipment shell, a conveying belt, an ultraviolet lamp, a grain outlet, a grain inlet, a fan and an air dehydration and heating assembly, wherein the air dehydration and heating assembly comprises an evaporator and a condenser, and the evaporator and the condenser are respectively used for heating and dehydrating; the dryer effectively solves the problems of lower drying efficiency and poorer grain drying effect in the middle of the drying tower of the existing vertical drying equipment through the design of layered drying, and simultaneously ensures that the grain drying degree is more uniform; matching with a layered drying design, using a heat pump as a drying heat source, controlling the drying temperature to be 30-70 ℃, and enabling the temperature in the drying cavity to meet the requirement of an ultraviolet lamp on the temperature of a working environment, so that the design scheme of additionally arranging the ultraviolet lamp in the drying equipment is realized; integrates the drying and sterilizing processes of the grains, reduces the grain processing procedures, improves the drying processing efficiency before the grains are stored, and effectively prevents the grains from mildewing.

Description

Grain sterilization drying-machine
Technical Field
The invention belongs to the technical field of grain drying equipment, and particularly provides a grain sterilizing dryer.
Background
After the grains are harvested, most of the grains need to be dried in order to prevent the grains from mildewing and being stored for a long time.
Present traditional grain drying-machine is mostly vertical, and lateral pressure and frictional force are very big when filling with grain in the drying tower, can't install sterilization apparatus, and the higher aspergillus flavus of pathogenicity and other parasitic aspergillus need the high temperature more than 200 ℃ can kill in the grain, only reduced moisture when this makes the grain dry, aspergillus flavus and other parasitic mould can't be killed, when the colony is located the environment when favourable its breed, the bacterial strain can propagate rapidly and cause the grain to milden and rot. Therefore, there is a need for a grain dryer that can dry grains and has a sterilization function.
Disclosure of Invention
In order to solve the problems, the invention provides a grain sterilization dryer.
In order to achieve the purpose, the invention adopts the technical scheme that: a grain sterilization dryer comprises an equipment shell, a conveying belt, an ultraviolet sterilization lamp, a grain outlet, a grain inlet, a U-shaped pipeline and a partition plate;
the equipment shell is a horizontal box body and consists of a drying box and a main case, a plurality of conveying belts and a plurality of ultraviolet sterilization lamps are assembled in the drying box, a grain outlet and a grain inlet are respectively arranged at the upper side and the lower side of the drying box, a partition plate is assembled in the middle of the drying box and divides the inner cavity of the drying box into an upper layer and a lower layer, the left end of the partition plate is attached to the inner wall of the drying box, a gap is reserved between the right end of the partition plate and the inner wall of the drying box, a U-shaped pipeline is assembled in the main case, and the pipe orifices of the U-shaped pipeline are respectively communicated with the upper side and the lower side of the inner cavity of the drying box;
a heat pump assembly is assembled in the main case, and the drying case takes the heat pump assembly as a heat source;
the drying box is provided with a power source, and the plurality of conveying belts are connected with the power source through a transmission mechanism.
Further, the outside of stoving case is equipped with brush driving motor, and the upper and lower inner wall of stoving case is provided with the slide rail respectively, is equipped with the brush on the slide rail, and the brush hair and the laminating of ultraviolet ray sterilization lamp of brush, the middle part of brush lateral wall are provided with the slider, and it has the internal thread to open in the slider, and brush driving motor's output is equipped with the lead screw, slider and lead screw looks spiro union.
Further, it is a plurality of the conveyer belt distributes in not co-altitude, and the both ends crisscross distribution of adjacent conveyer belt, the position and the conveyer belt position phase-match of ultraviolet germicidal lamp all correspond between every two-layer conveyer belt and set up an ultraviolet germicidal lamp, and the top in stoving case stoving chamber evenly lays the ultraviolet germicidal lamp.
Further, the heat pump assembly comprises an evaporator, a condenser, a fan and a compressor, wherein the evaporator is assembled at the output end of the U-shaped pipeline, the condenser is assembled at the input end of the U-shaped pipeline, the fan is assembled in the U-shaped pipeline, the compressor is assembled in the main case, and the compressor is respectively connected with the evaporator and the condenser in series through pipelines.
Further, the power source is a conveyor belt driving motor.
Further, the temperature of the hot air output by the heat pump assembly is 30-70 ℃.
The beneficial effects of the invention are as follows:
1. matching with a layered drying design, using a heat pump as a drying heat source, controlling the drying temperature to be within the range of 30-70 ℃, enabling the temperature in the drying cavity to meet the requirement of the ultraviolet sterilizing lamp on the temperature of the working environment, and realizing the design scheme of additionally installing the ultraviolet sterilizing lamp in the drying equipment;
2. through the design of layering stoving, grain horizontal migration and fall layer upon layer can carry out ultraviolet irradiation to grain from each angle, kills the mould that is infected with on the grain surface rapidly.
3. The drying and sterilization processes of the grains are integrated, so that most of mould fungi can be effectively killed while the grains are dried, two purposes are achieved, and the safety of grain storage is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the front view side of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 isbase:Sub>A schematic structural view of section A-A in FIG. 1;
fig. 4 is a schematic view of a grain flow turning path and an air flow circulating path according to the present invention.
The reference numerals include: 1-an equipment housing; 101-drying box; 102-a main chassis; 2-a conveyor belt; 3-ultraviolet sterilizing lamp; 4-grain outlet; 5-grain inlet; 6-an evaporator; 7-a condenser; 8-U-shaped pipelines; 9-a fan; 10-a lead screw; 11-a slide block; 12-a brush; 13-brush drive motor; 14-chain transmission mechanism; 15-conveyor belt drive motor; 16-a separator; 17-a slide rail; 18-compressor.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
Referring to fig. 1-4, a grain sterilization dryer comprises an equipment shell 1, a conveyor belt 2, ultraviolet sterilization lamps 3, a grain outlet 4, a grain inlet 5, a U-shaped pipeline 8 and a partition plate 16, wherein the equipment shell 1 is a horizontal rectangular box body, the equipment shell 1 consists of a drying box 101 and a main case 102, the conveyor belts 2 and the ultraviolet sterilization lamps 3 are assembled in the drying box 101, the grain outlet 4 and the grain inlet 5 are respectively arranged at the upper side and the lower side of the drying box 101, the partition plate 16 is assembled in the middle of the drying box 101, the partition plate 16 divides the inner cavity of the drying box 101 into an upper layer and a lower layer, the left end of the partition plate 16 is attached to the inner wall of the drying box 101, and a gap is reserved between the right end of the partition plate 16 and the inner wall of the drying box 101;
thereby ensuring that the airflow circulation path is the path shown in fig. 4, and the circulation path can stratify the airflow, prolong the airflow path and improve the drying effect;
the U-shaped pipeline 8 is assembled in the main case 102, and the pipe orifices of the U-shaped pipeline 8 are respectively communicated to the upper side and the lower side of the inner cavity of the drying case 101;
preferably, the drying chamber formed by the drying box 1 is a light-tight chamber, so that the harm to human bodies caused by ultraviolet light external radiation in the operation process of the equipment is avoided;
the plurality of conveyer belts 2 are distributed at different heights, and two ends of the adjacent conveyer belts 2 are distributed in a staggered manner;
preferably, the grain inlet 5 is of a conical structure, the width of the narrow end of the conical opening is not more than 100mm, the thickness of grains sliding into the surface of the uppermost layer of the conveying belt 2 through the grain inlet 5 in unit time is ensured to be between 50mm and 100mm, and the phenomenon that the drying and sterilizing effects are influenced due to the fact that the grain layer is too thick is avoided;
preferably, the position of the ultraviolet sterilizing lamp 3 is matched with the position of the conveying belt 2, one ultraviolet sterilizing lamp 3 is correspondingly arranged between every two layers of conveying belts 2, and the ultraviolet sterilizing lamp 3 is uniformly laid on the top of the drying cavity of the drying box 101. Therefore, ultraviolet light can irradiate each layer of grain, the irradiation intensity of the topmost layer is the maximum, and auxiliary sterilization is performed on each downward layer step by step;
preferably, the heat pump assembly controls the temperature in the drying box to be below 100 ℃, wherein the optimal temperature is 30-70 ℃; because the drying equipment is used for layered drying, the good drying effect can still be ensured even if the temperature is within the range of 30-70 ℃, and meanwhile, the temperature environment meets the requirement of the ultraviolet sterilizing lamp 3 on the working environment, so that the design scheme of additionally installing the ultraviolet sterilizing lamp 3 in the drying box can be realized.
Preferably, the ultraviolet sterilization lamp 3 emits ultraviolet light of c-wave with a wavelength ranging from 200nm to 270nm, and the center wavelength of sterilization is 253.7nm. Under the condition of enough ultraviolet intensity and irradiation time, most microorganisms can be killed, including aspergillus flavus and other aspergillus parasiticus which have larger harm to grains.
The outside of stoving case 101 is equipped with brush driving motor 13, and the upper and lower inner wall of stoving case 101 is provided with slide rail 17 respectively, is equipped with brush 12 on the slide rail 17, and the brush hair of brush 12 is laminated with ultraviolet ray sterilization lamp 3, and the middle part of the 12 lateral walls of brush is provided with slider 11, opens in slider 11 and is provided with the internal thread, and brush driving motor 13's output is equipped with lead screw 10, and slider 11 and lead screw 10 looks spiro union.
The ultraviolet sterilizing lamp self-cleaning mechanism is arranged on the side wall of the drying box 101, the ultraviolet sterilizing lamps 3 which are longitudinally distributed are easily contaminated by dust, and the ultraviolet irradiation effect can be seriously influenced by the dust covered on the surfaces of the ultraviolet sterilizing lamps 3, so that the ultraviolet sterilizing lamp self-cleaning mechanism consisting of the hairbrush driving motor 13, the lead screw 10, the sliding block 11 and the hairbrush 12 is arranged at the position, the system periodically works, the hairbrush driving motor 13 is controlled by a computer to rotate, the hairbrush 12 is driven to transversely slide along the lead screw 10 through the lead screw 10, and floating dust on the surfaces of the ultraviolet sterilizing lamps 3 is swept away in the sliding process of the hairbrush 12, so that the stability of the sterilizing effect is ensured; according to actual requirements, the top of the device can be provided with an ultraviolet sterilizing lamp self-cleaning mechanism.
The heat pump assembly comprises an evaporator 6, a condenser 7, a fan 9 and a compressor 18, wherein the evaporator 6 is assembled at the output end of a U-shaped pipeline 8, the condenser 7 is assembled at the input end of the U-shaped pipeline 8, the fan 9 is assembled in the U-shaped pipeline 8, the compressor 18 is assembled in a main case 102, and the compressor 18 is respectively connected with the evaporator 6 and the condenser 7 in series through pipelines.
The compressor 18 and the pipeline form a refrigerant circulation loop, the refrigerant is compressed by the compressor 18 and then becomes liquid, the liquid refrigerant enters the condenser 7, and heat is released to the evaporator 6 in the process that the compressor 18 compresses the refrigerant. The liquid refrigerant enters the condenser 7 through the expansion valve to generate phase change, and the refrigerant is changed into gas to generate a refrigeration effect and is used for condensing the moisture-containing high-temperature air output by the drying box 101 so as to separate moisture from the air. The dry air after condensation treatment is heated by the evaporator 6 under the guide of the fan 8, and then is blown into the drying box 101 to heat the grains.
The drying box 101 is provided with a power source, and the plurality of conveying belts 2 are connected with the power source through a transmission mechanism.
Preferably, the power source is a conveyor belt drive motor 15.
The transmission is a chain transmission 14.
When the worker uses the device, the worker needs to start the heat pump components in the main case 102 in advance to preheat, and also needs to start the ultraviolet sterilizing lamp 3 in advance to kill the flora in the drying case 101. After the pre-starting process is finished, grains are added into the drying box 101 from the grain inlet 5, the grains move in layers in a broken line path under the action of the conveying belt 2 as shown in the figure 4, and in the process, the grains are sterilized by ultraviolet irradiation while being dried at low temperature and finally output from the grain outlet 4.
This design makes grain pass the stoving chamber according to broken line type layering route, guarantees that every layer of grain thickness is no longer than 100mm, effectively avoids grain to concentrate to pile up the regional poor problem of effect of drying in middle part that is unfavorable for the air flow to lead to. Meanwhile, ultraviolet rays can penetrate through the grain layer, most strains such as aspergillus flavus and other parasitic molds contained in the grains are killed, and the safety of grain storage is improved.
The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the invention are therefore considered to be within the scope of the invention.

Claims (6)

1. The utility model provides a grain sterilization drying-machine which characterized in that: comprises an equipment shell, a conveyer belt, an ultraviolet sterilizing lamp, a grain outlet, a grain inlet, a U-shaped pipeline and a clapboard;
the equipment shell is a horizontal box body and consists of a drying box and a main case, a plurality of conveying belts and a plurality of ultraviolet sterilization lamps are assembled in the drying box, a grain outlet and a grain inlet are respectively arranged at the upper side and the lower side of the drying box, a partition plate is assembled in the middle of the drying box and divides the inner cavity of the drying box into an upper layer and a lower layer, the left end of the partition plate is attached to the inner wall of the drying box, a gap is reserved between the right end of the partition plate and the inner wall of the drying box, a U-shaped pipeline is assembled in the main case, and the pipe orifices of the U-shaped pipeline are respectively communicated with the upper side and the lower side of the inner cavity of the drying box;
a heat pump assembly is assembled in the main case, and the drying case takes the heat pump assembly as a heat source;
the drying box is provided with a power source, and the plurality of conveying belts are connected with the power source through a transmission mechanism.
2. The grain sterilizing dryer according to claim 1, wherein: the outside of stoving case is equipped with brush driving motor, and the upper and lower inner wall of stoving case is provided with the slide rail respectively, is equipped with the brush on the slide rail, and the brush hair and the laminating of ultraviolet germicidal lamp of brush, the middle part of brush lateral wall are provided with the slider, open in the slider to be provided with the internal thread, and brush driving motor's output is equipped with the lead screw, slider and lead screw looks spiro union.
3. The grain sterilizing dryer according to claim 1, wherein: a plurality of the conveyer belt distributes in not co-altitude, and the both ends crisscross distribution of adjacent conveyer belt, the position and the conveyer belt position phase-match of ultraviolet sterilamp all correspond between per two-layer conveyer belt and set up an ultraviolet sterilamp, and the top in stoving case stoving chamber evenly lays the ultraviolet sterilamp.
4. The grain sterilizing dryer according to claim 1, wherein: the heat pump assembly comprises an evaporator, a condenser, a fan and a compressor, wherein the evaporator is assembled at the output end of the U-shaped pipeline, the condenser is assembled at the input end of the U-shaped pipeline, the fan is assembled in the U-shaped pipeline, the compressor is assembled in the main case, and the compressor is respectively connected with the evaporator and the condenser in series through pipelines.
5. The grain sterilizing dryer according to claim 1, wherein: the power source is a conveying belt driving motor.
6. The grain sterilizing dryer according to claim 1, wherein: the temperature of the hot air output by the heat pump assembly is 30-70 ℃.
CN202210481064.2A 2022-05-05 2022-05-05 Grain sterilization drying-machine Pending CN115136984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210481064.2A CN115136984A (en) 2022-05-05 2022-05-05 Grain sterilization drying-machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210481064.2A CN115136984A (en) 2022-05-05 2022-05-05 Grain sterilization drying-machine

Publications (1)

Publication Number Publication Date
CN115136984A true CN115136984A (en) 2022-10-04

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204177179U (en) * 2014-06-11 2015-02-25 广东乡意浓农业科技有限公司 Tempering room and laminar-flow type grain heat-drying unit
CN207351078U (en) * 2017-09-19 2018-05-11 深圳市城和网电子科技有限公司 A kind of multiple field steel mesh transmits dryer
CN108759435A (en) * 2018-08-23 2018-11-06 姜少华 Multi-layer panel-turnover foodstuff drying device
CN210801923U (en) * 2019-08-21 2020-06-19 太仓华庆汽车配件有限公司 Heat pump dehumidification dryer
CN212006643U (en) * 2020-02-27 2020-11-24 福建省长泰县福兴粮食制品有限公司 Drying device for grain processing
CN213421655U (en) * 2020-07-28 2021-06-11 山东岚铁电器有限公司 Heat pump type fruit vegetables drying-machine
CN213931938U (en) * 2020-12-18 2021-08-10 常州鸿石干燥科技有限公司 Vertical multilayer mesh belt type dryer
CN215667685U (en) * 2021-03-12 2022-01-28 同济大学 Excrement and urine innocent treatment heat pump drying device
CN114234620A (en) * 2021-12-29 2022-03-25 常州金坛金能电力有限公司 Grain drying air source heat pump heat recovery system and use method thereof
CN217722579U (en) * 2022-05-05 2022-11-04 姜少华 Grain sterilization drying-machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204177179U (en) * 2014-06-11 2015-02-25 广东乡意浓农业科技有限公司 Tempering room and laminar-flow type grain heat-drying unit
CN207351078U (en) * 2017-09-19 2018-05-11 深圳市城和网电子科技有限公司 A kind of multiple field steel mesh transmits dryer
CN108759435A (en) * 2018-08-23 2018-11-06 姜少华 Multi-layer panel-turnover foodstuff drying device
CN210801923U (en) * 2019-08-21 2020-06-19 太仓华庆汽车配件有限公司 Heat pump dehumidification dryer
CN212006643U (en) * 2020-02-27 2020-11-24 福建省长泰县福兴粮食制品有限公司 Drying device for grain processing
CN213421655U (en) * 2020-07-28 2021-06-11 山东岚铁电器有限公司 Heat pump type fruit vegetables drying-machine
CN213931938U (en) * 2020-12-18 2021-08-10 常州鸿石干燥科技有限公司 Vertical multilayer mesh belt type dryer
CN215667685U (en) * 2021-03-12 2022-01-28 同济大学 Excrement and urine innocent treatment heat pump drying device
CN114234620A (en) * 2021-12-29 2022-03-25 常州金坛金能电力有限公司 Grain drying air source heat pump heat recovery system and use method thereof
CN217722579U (en) * 2022-05-05 2022-11-04 姜少华 Grain sterilization drying-machine

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