CN109197178B - Grain storage granary heat sink - Google Patents
Grain storage granary heat sink Download PDFInfo
- Publication number
- CN109197178B CN109197178B CN201811160492.5A CN201811160492A CN109197178B CN 109197178 B CN109197178 B CN 109197178B CN 201811160492 A CN201811160492 A CN 201811160492A CN 109197178 B CN109197178 B CN 109197178B
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- air
- pipe
- grain storage
- granary
- grain
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/16—Arrangements in forage silos
- A01F25/22—Ventilating arrangements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/14—Containers specially adapted for storing
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention relates to a grain storage granary cooling device which comprises a refrigeration heat exchange component, wherein an air supply opening and an air return opening are arranged on the refrigeration heat exchange component, the air supply opening is communicated with the grain storage granary through an air supply pipe, one end of the air supply pipe, which is far away from the refrigeration heat exchange component, extends into the grain storage granary to form a uniform distribution pipe, the free end of the uniform distribution pipe is closed, a plurality of spherical nozzles are arranged on the uniform distribution pipe, a mixing pipe is communicated with the air supply pipe, the free end of the mixing pipe is communicated with the grain storage granary, and a blowing fan is arranged in the mixing pipe. Through mixing tube and the air supply fan that set up, can increase the flow and the speed of cooling air in the equipartition pipe to strengthened the flow of air in the grain storage granary, even the temperature distribution in the grain storage granary is more even, can mix the air in the grain storage granary and the cold air in the blast pipe simultaneously, make the temperature in the grain storage granary drop steadily, can not cause some regional temperature to drop suddenly.
Description
Technical Field
The invention relates to the technical field of grain storage granary cooling, in particular to a grain storage granary cooling device.
Background
The granary is the special building that is used for storing grain, in order to guarantee grain storage quality, avoid the grain mildewing, consequently, need control the temperature in the granary, in the grain storage now, granary surface layer space cooling adopts conventional split type surface layer space cooling unit to reduce granary space temperature, split type cooling unit outer machine is installed in the granary outside, the inner machine is installed in the granary inside, thereby reduce the temperature in the granary, the air flow and the wind speed of present often cooling air tend to be less, but when the granary is great, the low temperature air of the abundant circulation in the granary of difficulty makes the temperature in the granary even, and the heat sink of present use causes grain surface temperature suddenly easily, thereby influence grain storage quality itself.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the grain storage granary cooling device with uniform temperature distribution and slow temperature drop.
The invention adopts the technical scheme that: the utility model provides a grain storage granary heat sink, includes refrigeration heat transfer subassembly, be equipped with an supply-air outlet and a return air inlet on the refrigeration heat transfer subassembly, the supply-air outlet passes through the blast pipe and stores up grain storage granary intercommunication, the one end that refrigeration heat transfer subassembly was kept away from to the blast pipe stretches into and forms the equal cloth pipe in the grain storage granary, and the free end of equal cloth pipe seals, be equipped with a plurality of ball-type spouts on the equal cloth pipe, the intercommunication has the hybrid tube on the blast pipe, the free end and the grain storage granary intercommunication of hybrid tube, be equipped with the air-supply fan in the hybrid tube, the air in the grain storage granary is kept away from to the air-supply fan from the one end that the blast pipe was kept away from to one end that the hybrid tube was close to the blast pipe is discharged, the return air inlet passes through return air pipe and stores up grain storage granary intercommunication.
The grain storage granary cooling device is further described in the specification, wherein the mixing pipe is located outside the grain storage granary, and the grain storage granary is provided with a connecting hole matched with the mixing pipe.
The grain storage granary cooling device is further described in the specification, wherein the mixing pipe is located in the grain storage granary.
The grain storage granary cooling device is further described in that the uniform distribution pipes are distributed in a serpentine shape in the grain storage granary, and the spherical nozzles are uniformly arranged at intervals along the length direction of the uniform distribution pipes.
The grain storage granary cooling device is further described in the specification, the refrigeration heat exchange assembly comprises a compressor, a condenser, an expansion valve and an evaporator, a refrigerant outlet of the compressor is connected with a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected with one port of the expansion valve, the other port of the expansion valve is connected with a refrigerant inlet of the evaporator, a refrigerant outlet of the evaporator is connected with the refrigerant inlet of the compressor, an air outlet of the evaporator is an air supply outlet, an air inlet of the evaporator is an air return inlet, and a fresh air heat exchange inlet and a fresh air heat exchange outlet are arranged on the condenser.
The beneficial effects of the invention are as follows: 1. through the mixing pipe and the air supply fan, the flow and the speed of cooling air in the uniform distribution pipe can be increased, so that the air flow in the grain storage granary is enhanced, and the temperature distribution in the grain storage granary is more uniform; 2. through the mixing tube that sets up to can mix the air in the grain storage granary and the cold air in the blast pipe, thereby make the difference in temperature less when beginning the cooling, make the temperature in the grain storage granary drop steadily, can not cause some regional temperature to drop suddenly, thereby better protection grain storage quality in the grain storage granary.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Fig. 3 is a schematic diagram of a refrigeration heat exchange assembly.
In the figure: 1. a refrigeration heat exchange assembly; 101. a compressor; 102. a condenser; 103. an expansion valve; 104. an evaporator; 105. a fresh air heat exchange inlet; 106. fresh air heat exchange outlet; 2. an air supply port; 3. an air return port; 4. an air supply pipe; 5. the pipes are uniformly distributed; 6. a spherical nozzle; 7. a mixing tube; 8. a blowing fan; 9. an air return pipe; 10. grain storage barn.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the cooling device for the grain storage barn provided by the embodiment comprises a refrigeration heat exchange assembly 1, the refrigeration heat exchange assembly 1 is used for extracting air in the grain storage barn to refrigerate, and delivering the refrigerated air again into the grain storage barn 10, so that the cooling operation of grains in the grain storage barn 10 is performed, an air supply port 2 and an air return port 3 are arranged on the refrigeration heat exchange assembly 1, the air supply port 2 is communicated with the grain storage barn 10 through an air supply pipe 4, the air return port 3 is communicated with the grain storage barn 10 through an air return pipe 9, one end, far away from the refrigeration heat exchange assembly 1, of the air supply pipe 4 stretches into the grain storage barn 10 to form an even distribution pipe 5, and the free end of the even distribution pipe 5 is closed, a plurality of spherical nozzles 6 are arranged on the even distribution pipe 5, so that the temperature in the grain storage barn 10 is more even, the spherical nozzles 6 are uniformly distributed in a serpentine shape in the grain storage barn 10, and the spherical nozzles 6 are uniformly distributed along the length direction of the even distribution pipe 5, and the spherical nozzles 6 are only distributed in a preferential mode, namely, the spherical nozzles 6 are distributed in a plurality of areas more densely distributed areas.
The air supply pipe 4 is communicated with a mixing pipe 7, the free end of the mixing pipe 7 is communicated with a grain storage granary 10, the mixing pipe 7 is positioned outside the grain storage granary 10, the grain storage granary 10 is provided with a connecting hole matched with the mixing pipe 7, namely, when the grain storage granary is installed, the wall of the grain storage granary 10 is required to be perforated, the mixing pipe 7 is provided with an air supply fan 8, the air supply fan 8 sucks air in the grain storage granary 10 from one end of the mixing pipe 7 far away from the air supply pipe 4, and discharges the air from one end of the mixing pipe 7 close to the air supply pipe 4, namely, the air sucked in the grain storage granary 10 is discharged into the air supply pipe 4, thereby mixing the temperature in the uniform distribution pipe 5, for example, the temperature of cold air conveyed in the air supply pipe 4 is 10 degrees, the temperature of air sucked by the mixing pipe 7 from the grain storage granary 10 is 40 degrees, and the temperature of the mixed air in the air supply pipe 4 is 25 degrees, so that the temperature of the cold air directly conveyed in the air supply pipe 4 is raised, the temperature difference is smaller when the temperature begins to be reduced, the temperature in the grain storage granary is reduced smoothly, and no sudden drop of the temperature in some areas is caused, thereby better protecting the storage quality of grains in the grain storage granary, and the air flow and speed in the uniform distribution pipe 5 are increased, thereby enhancing the flow of the air in the grain storage granary 10, even if the temperature distribution in the grain storage granary 10 is more uniform.
Example two
As shown in fig. 2, the cooling device for the grain storage barn provided by the embodiment comprises a refrigeration heat exchange assembly 1, the refrigeration heat exchange assembly 1 is used for extracting air in the grain storage barn to refrigerate, and delivering the refrigerated air again into the grain storage barn 10, so that the cooling operation of grains in the grain storage barn 10 is performed, an air supply port 2 and an air return port 3 are arranged on the refrigeration heat exchange assembly 1, the air supply port 2 is communicated with the grain storage barn 10 through an air supply pipe 4, the air return port 3 is communicated with the grain storage barn 10 through an air return pipe 9, one end, far away from the refrigeration heat exchange assembly 1, of the air supply pipe 4 stretches into the grain storage barn 10 to form an even distribution pipe 5, and the free end of the even distribution pipe 5 is closed, a plurality of spherical nozzles 6 are arranged on the even distribution pipe 5, so that the temperature in the grain storage barn 10 is more even, the spherical nozzles 6 are uniformly distributed in a serpentine shape in the grain storage barn 10, and the spherical nozzles 6 are uniformly distributed along the length direction of the even distribution pipe 5, and the spherical nozzles 6 are only distributed in a preferential mode, namely, the spherical nozzles 6 are distributed in a plurality of areas more densely distributed areas.
The air supply pipe 4 is communicated with the mixing pipe 7, the free end of the mixing pipe 7 is communicated with the grain storage barn 10, the mixing pipe 7 is positioned in the grain storage barn 10, the air supply fan 8 is arranged in the mixing pipe 7, the air in the grain storage barn 10 is sucked from one end of the mixing pipe 7 far away from the air supply pipe 4, and is discharged from one end of the mixing pipe 7 close to the air supply pipe 4, namely, sucked into the grain storage barn 10, and then discharged into the air supply pipe 4, so that the temperature in the cloth equalizing pipe 5 is mixed, for example, the temperature of cold air conveyed in the air supply pipe 4 is 10 degrees, the temperature of sucked air in the grain storage barn 10 by the mixing pipe 7 is 40 degrees, and the temperature of the two air after being mixed in the air supply pipe 4 is 25 degrees, namely, the temperature of the cold air conveyed in the air supply pipe 4 is increased, so that the temperature difference is small when the temperature in the grain storage barn begins to be reduced, the temperature in some areas is not reduced, the storage quality of grains in the grain storage barn is well protected, and the air in the grain storage barn is evenly distributed in the air storage barn 10 even if the temperature in the grain storage barn is increased, and the air in the grain storage barn is evenly distributed in the grain storage barn 10 evenly.
The difference between this embodiment and the first embodiment is that the mixing pipe 7 is located in the grain storage barn 10, and through this arrangement, on the one hand, the installation is convenient, on the other hand, the air supply fan 8 is located in the grain storage barn 10 without opening holes in the wall of the grain storage barn 10 during the installation, and on the other hand, the air supply fan 8 can be cooled by the cool air in the grain storage barn 10, thereby enhancing the heat dissipation of the air supply fan 8 and avoiding the burning out caused by the overheat of the air supply fan 8.
As shown in fig. 3, an embodiment of a refrigeration heat exchange assembly 1 is provided, where both the first embodiment and the second embodiment of the present invention may use the refrigeration heat exchange assembly 1, specifically, the refrigeration heat exchange assembly 1 includes a compressor 101, a condenser 102, an expansion valve 103, and an evaporator 104, a refrigerant outlet of the compressor 101 is connected to a refrigerant inlet of the condenser 102, a refrigerant outlet of the condenser 102 is connected to one port of the expansion valve 103, another port of the expansion valve 103 is connected to a refrigerant inlet of the evaporator 104, a refrigerant outlet of the evaporator 104 is connected to a refrigerant inlet of the compressor 101, an air outlet of the evaporator 104 is the air supply inlet 2, an air inlet of the evaporator 104 is the return air inlet 3, and a fresh air heat exchange inlet 105 and a fresh air heat exchange outlet 106 are provided on the condenser 102.
The working principle is as follows: the high-temperature and high-pressure gaseous refrigerant discharged from the compressor 101 flows into the condenser 102, the high-temperature and high-pressure gaseous refrigerant is discharged from the condenser 102 and is changed into a low-temperature and high-pressure liquid refrigerant, the low-temperature and high-pressure liquid refrigerant flowing out of the condenser 102 is throttled by the expansion valve 103 and is changed into a low-temperature and low-pressure liquid refrigerant, the low-temperature and low-pressure liquid refrigerant is changed into a low-temperature and low-pressure gaseous refrigerant after absorbing air heat in the evaporator 104, and the low-temperature and low-pressure liquid refrigerant is sucked into the compressor 101 to complete the cycle. In the circulation process, the refrigerating system sucks air in the grain storage barn 10 through the return air hose 9, cools the air through the evaporator 104, and then sends the cooled air into the grain storage barn 10 again through the air supply hose 4, so that the cooling operation of grains in the grain storage barn 10 is realized; outdoor fresh air enters the condenser 102 through the fresh air heat exchange inlet 105 and is discharged from the fresh air heat exchange outlet 106 after the temperature of the outdoor fresh air rises. Of course, this is only an example of the refrigeration heat exchange assembly 1, and other refrigeration heat exchange assemblies 1 may be used, which are not illustrated here.
The invention is not limited to the above examples, but various variations or modifications which can be made by a person skilled in the art without creative efforts are protected by this patent within the scope of the claims of the invention.
Claims (2)
1. A grain storage granary heat sink, its characterized in that: including refrigeration heat transfer subassembly, be equipped with an supply-air outlet and an return air inlet on the refrigeration heat transfer subassembly, the supply-air outlet passes through the supply-air pipe and stores up grain granary intercommunication, the one end that refrigeration heat transfer subassembly was kept away from to the supply-air pipe stretches into and forms the equal cloth pipe in the grain granary, and the free end of equal cloth pipe is sealed, be equipped with a plurality of ball-type spouts on the equal cloth pipe, the intercommunication has the hybrid tube on the supply-air pipe, the free end and the grain granary intercommunication of hybrid tube, be equipped with the fan in the hybrid tube, the fan is kept away from the air in the grain granary of supply-air pipe from the one end that the hybrid tube was kept away from to be close to the one end discharge of supply-air pipe, the return air inlet passes through return air pipe and grain granary intercommunication, the hybrid tube is located outside the grain granary, be equipped with the connecting hole with the hybrid tube looks adaptation on the grain granary, the hybrid tube is located the grain granary, the equal cloth pipe is serpentine distribution in grain granary, ball-type spout sets up along the even interval of uniform spacing in the length direction of the equipartition tube.
2. The grain storage bin cooling device of claim 1 wherein: the refrigeration heat exchange assembly comprises a compressor, a condenser, an expansion valve and an evaporator, wherein a refrigerant outlet of the compressor is connected with a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected with one port of the expansion valve, the other port of the expansion valve is connected with a refrigerant inlet of the evaporator, a refrigerant outlet of the evaporator is connected with a refrigerant inlet of the compressor, an air outlet of the evaporator is an air supply outlet, an air inlet of the evaporator is an air return inlet, and a fresh air heat exchange inlet and a fresh air heat exchange outlet are arranged on the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160492.5A CN109197178B (en) | 2018-09-30 | 2018-09-30 | Grain storage granary heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160492.5A CN109197178B (en) | 2018-09-30 | 2018-09-30 | Grain storage granary heat sink |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109197178A CN109197178A (en) | 2019-01-15 |
| CN109197178B true CN109197178B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811160492.5A Active CN109197178B (en) | 2018-09-30 | 2018-09-30 | Grain storage granary heat sink |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057002B (en) * | 2019-05-13 | 2024-04-26 | 南京工业大学 | Novel air conditioner end device |
| CN111771547B (en) * | 2020-07-03 | 2022-08-12 | 宜兴市安乐米业有限公司 | Full-automatic low temperature stores up grain granary |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2509806A1 (en) * | 2004-07-05 | 2006-01-05 | Perry Industries | Grain bin ventilation device |
| CN202941179U (en) * | 2012-12-14 | 2013-05-22 | 成都朗博旺科技发展有限公司 | Grain storage device for integrating whole bin temperature reduction with old bin drying |
| CN104137715A (en) * | 2014-07-30 | 2014-11-12 | 国家粮食局科学研究院 | Negative-pressure-typed granary cooling system |
| CN104871747A (en) * | 2015-05-29 | 2015-09-02 | 张家港市双灵制冷设备有限公司 | Low-temperature grain storage method for low-temperature barn |
| CN207531405U (en) * | 2017-11-25 | 2018-06-26 | 刘建江 | Circulation samming refrigeration system in a kind of silo |
-
2018
- 2018-09-30 CN CN201811160492.5A patent/CN109197178B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2509806A1 (en) * | 2004-07-05 | 2006-01-05 | Perry Industries | Grain bin ventilation device |
| CN202941179U (en) * | 2012-12-14 | 2013-05-22 | 成都朗博旺科技发展有限公司 | Grain storage device for integrating whole bin temperature reduction with old bin drying |
| CN104137715A (en) * | 2014-07-30 | 2014-11-12 | 国家粮食局科学研究院 | Negative-pressure-typed granary cooling system |
| CN104871747A (en) * | 2015-05-29 | 2015-09-02 | 张家港市双灵制冷设备有限公司 | Low-temperature grain storage method for low-temperature barn |
| CN207531405U (en) * | 2017-11-25 | 2018-06-26 | 刘建江 | Circulation samming refrigeration system in a kind of silo |
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| CN109197178A (en) | 2019-01-15 |
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