CN101300922A - Method for storing grains in storehouse with controlled temperature and device thereof - Google Patents
Method for storing grains in storehouse with controlled temperature and device thereof Download PDFInfo
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- CN101300922A CN101300922A CNA200810058621XA CN200810058621A CN101300922A CN 101300922 A CN101300922 A CN 101300922A CN A200810058621X A CNA200810058621X A CN A200810058621XA CN 200810058621 A CN200810058621 A CN 200810058621A CN 101300922 A CN101300922 A CN 101300922A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Abstract
The invention provides flat storage temperature-controlling grain-storing method and device thereof. The device comprises a flat storage with an air inlet and an air outlet, wherein an air duct with holes is provided at the upper layer of the grain stack of the flat storage 0. 6-0. 8m to the surface of the grain, an air inlet is connected with the air inlet of the flat storage, and an axial fan is fixed at the air outlet of the flat storage. Negative pressure is formed at the upper layer of the grain stack in the flat storage and the space above to force the cold air out of the flat storage to pass through the upper layer of the grain stack by the air duct and enter the upper space of the flat storage, thereby replacing the warm air at the upper layer of the grain stack of the flat storage and space above, reducing the temperature of the heat insulation chaff and space in the storage while reducing the temperature of upper grain, saving energy, reducing consumption, cutting the cost, further enhancing the aeration-cooling effect, delaying deterioration time of the grains, raising grain-storing fresh-keeping effect at low temperature, and making sure the grain-storing safety.
Description
Technical field
The present invention relates to a kind of temperature control storing grain method, relate in particular to a kind of temperature control storing grain method and device thereof of horizontal warehouse, belong to warehousing management and apparatus technology.
Background technology
Low-temperature grain-storage, be a most rising green ecological grain storage technology of foodstuff preservation field from now on, extensive use in the horizontal warehouse of the many grain storages enterprise of China at present is to guaranteeing stored grain safety, delay the bad change of grain quality, received good effect.But the horizontal warehouse of enforcement low-temperature grain-storage in the high temperature season and the torrid areas in summer, is subjected to the high influence of temperature outside the storehouse, and the grain stack temperature in the storehouse also can increase.Particularly the temperature on grain heap upper strata among, the easier rising of temperature of lower floor, directly influence the effect of low-temperature grain-storage.At the problem of temperature rise that exists in the present horizontal warehouse low-temperature grain-storage, various places grain storage enterprise taked many measures to carry out the temperature control processing more or less, as utilize grain cooling machine, air conditioner and other refrigerating machine, the grain heap is carried out the multiple cold-peace local cooling of secondary to be handled, though have a significant effect, but because energy consumption is big, operating cost is too high, has seriously restricted applying of these technology.
Present in addition some cooling temperature control methods that utilize, mainly be to adopt forced air supply method, the draft type that this kind is forced is piled the inner air resistance greater than space resistance in the storehouse because of grain, and the ventilation contact-making surface concentrates on more than the grain heap surface again, cause in the grain of grain heap upper strata cold and hot air conversion efficiency low, cooling-down effect is not obvious, and adopts this mode, the heat energy that blower fan produces in operation process, the cold air temperature that is pressed into is raise, thereby reduced aeration-cooling usefulness.Therefore, explore a kind of energy-conservation, consumption reduction, practical, cool-down method efficiently, become the task of top priority of the good and fast development of further propelling low-temperature grain-storage.
Summary of the invention
Be problem such as solve that existing low-temperature grain-storage is big in high temperature season regulation and control grain temperature energy consumption, operating cost is high and aeration-cooling temperature control method usefulness is low, the invention provides a kind of energy-conservation, consumption reduction, practicality, horizontal warehouse aeration-cooling device efficiently.
Another object of the present invention is to provide a kind of method for storing grains in storehouse with controlled temperature.
First purpose of the present invention realizes by following technical proposal: a kind of horizontal warehouse aeration-cooling device, comprise the horizontal warehouse of bringing air port and air outlet into, it is characterized in that the position apart from 0.6～0.8 meter in grain face is provided with ventilating duct with holes on the grain of horizontal warehouse heap upper strata, the air intake vent of ventilating duct links to each other with the air inlet of horizontal warehouse, and the air outlet of horizontal warehouse is provided with axial flow blower.Pile upper strata and the above space of grain face thereby form to grain, arrive the gas channel of air outlet again from air inlet, ventilating duct.By axial flow blower the air in grain heap upper strata and the above area of space thereof in the horizontal warehouse is extracted out by force, make this zone form negative pressuren zone, thereby continuous this zone in export-oriented storehouse, storehouse replenishes cold air under the effect of negative pressure, in the time limit of setting, this regional temperature value is remained in the control criterion of setting, to improve aeration-cooling effect, effectively regulate and control upper strata grain temperature.
Described ventilating duct is by constituting being in charge of of one or more groups parallel laid, each component Guan Youyi root connects the air intake person in charge and several ventilation of air inlet and is in charge of composition, air intake is responsible for that the air inlet pass on the bulkhead extends outside the storehouse or is linked to each other with cold air carrier pipe outside the storehouse, so that the cold air that natural cold air is provided in the storehouse or manually produces as required.
On the interior sidewall surface that described air intake is responsible for air vent is set, so as guarantee to each ventilation be in charge of carry enough air quantity in, can become to provide from the longitudinal side that grain is piled the upper strata horizontal flow to cold air, to satisfy aeration-cooling needs.
Air vent is set at interval, so that provide cold air vertical and that upwards flow, to satisfy aeration-cooling needs on the whole wall that described ventilation is in charge of from the horizontal plane on grain heap upper strata.
Described air inlet is arranged on the front wall top of horizontal warehouse, link to each other with the air intake person in charge on grain heap upper strata, air outlet is arranged on the Hou Qiang top relative with the horizontal warehouse air inlet, air outlet is equipped with axial flow blower, starting axial flow blower can make horizontal warehouse grain heap upper strata and upper space form negative pressure region, under suction function, form an airtight gas channel.
Second purpose of the present invention realizes by following technical proposal: a kind of method for storing grains in storehouse with controlled temperature is characterized in that:
A, the horizontal warehouse aeration-cooling device is set on horizontal warehouse grain heap upper strata, promptly comprise the horizontal warehouse of bringing air port and air outlet into, position on the grain of horizontal warehouse heap upper strata apart from 0.6～0.8 meter in grain face is provided with ventilating duct with holes, the air intake vent of ventilating duct links to each other with the air inlet of horizontal warehouse, the air outlet of horizontal warehouse is provided with axial flow blower, make air inlet, ventilating duct to grain heap upper strata and the above space of grain face, arrive air outlet again, form an airtight gas channel;
B, startup axial flow blower, by the air draught of upstriker negative pressure, by force the cold air outside the storehouse is sucked grain heap upper strata and the above space of grain face through air inlet, ventilating duct, flow out through air outlet again, make this zone form negative pressuren zone, this zone in the export-oriented storehouse, storehouse replenishes cold air incessantly again, make effective low temperature cold source when reducing grain heap upper strata grain temperature, reduce the temperature in space in heat insulation husk and the storehouse, with regulation and control upper strata grain temperature, in the prevention, lower floor grain temperature gos up, and improves the low-temperature grain-storage effect.
The present invention compared with prior art has following advantage and effect: adopt such scheme, can make the zone in horizontal warehouse interior grain heap upper strata and above space thereof form negative pressuren zone, by being arranged on the axial flow blower on the horizontal warehouse air outlet, by force the cold air outside the storehouse is passed the space that grain heap upper strata enters the storehouse internal upper part from ventilating duct, thereby displace the hot-air in horizontal warehouse grain heap upper strata and above space thereof, when reducing upper strata grain temperature, also reduced space temperature in heat insulation husk and the storehouse, because the present invention adopts low energy consumption, the axial flow blower of high benefit, effect by the negative pressure air draught, effective low temperature cold source is used in most critical, can play a role and the place of benefit, can be energy-conservation largely, consumption reduction, reduce operating cost, can further improve aeration-cooling effect again, to greatest extent upper strata grain temperature is regulated and control in helping inhibition, below the limit value that lower floor's grain temperature is gone up, for guaranteeing stored grain safety, delay the bad change time of grain quality, improve the low-temperature grain-storage fresh-keeping effect, improve economical, social benefit and ecological benefits provide reliable and effective approach.
Description of drawings
Fig. 1 is the present invention's structural representation;
Fig. 2 is the A-A view of Fig. 1.
Embodiment
Below in conjunction with embodiment the present invention is described further, is not limited thereto but hold within the present invention.
Horizontal warehouse aeration-cooling device provided by the invention, comprise the horizontal warehouse of bringing air port and air outlet into, wherein above the back wall of the horizontal warehouse 5 of being with vault, be provided with a plurality of air inlets 4, the front wall top is provided with a plurality of air outlets 9, grain heap upper strata 12 in horizontal warehouse 5 is provided with ventilating duct 11, this ventilating duct is according to the capacity of horizontal warehouse, by constituting being in charge of of many groups parallel laid, each component Guan Youyi root connects the air intake person in charge 3 and several ventilation of air inlet 4 and is in charge of 11 compositions, air intake is responsible for 3 air inlets 4 on the horizontal warehouse rear wall and is linked to each other with refrigerator pipe 2 outside the storehouse, refrigerator pipe 2 links to each other with refrigeration machine 1 outside the storehouse, so that artificial cooling gas to be provided in storehouse 5, the air intake person in charge 3 inboard is provided with air vent 6, so that the longitudinal side of piling 12 upper stratas from grain provide horizontal flow to cold air a, each ventilates to being in charge of on 11 the whole tube wall air vent 7 is set at interval, provide cold air b vertical and that upwards flow so that pile the horizontal plane on 12 upper stratas from grain, setting by many groups ventilation duct, can pile at grain and form a ventilation pipe network in the upper strata, installation shaft flow fan 10 on the air outlet 9 on horizontal warehouse 5 tops, start axial flow blower 10, can be with the cold air outside the storehouse from air inlet 4, air intake is responsible for 3,11 upper strata and heat insulation husk layer 14 and the internal upper part spaces, storehouse 8 that are drawn into grain heap 12 are in charge of in ventilation, by cold and hot exchange, reduce upper strata grain temperature, the temperature in space in heat insulation husk layer and the storehouse is as Fig. 1, Fig. 2.
Method provided by the invention is:
A, aeration-cooling device is set on horizontal warehouse grain heap upper strata, promptly comprise the horizontal warehouse of bringing air port and air outlet into, position on the grain of horizontal warehouse heap upper strata apart from 0.6～0.8 meter in grain face is provided with ventilating duct with holes, the air intake vent of ventilating duct links to each other with the air inlet of horizontal warehouse, the air outlet of horizontal warehouse is provided with axial flow blower, make air inlet, ventilating duct to grain heap upper strata and the above space of grain face, arrive air outlet again, form an airtight gas channel;
B, startup axial flow blower, by the air draught of upstriker negative pressure, by force the cold air outside the storehouse is sucked grain heap upper strata and the above space of grain face through air inlet, ventilating duct, flow out through air outlet again, make this zone form negative pressuren zone, this zone in the export-oriented storehouse, storehouse replenishes cold air incessantly again, make effective low temperature cold source when reducing grain heap upper strata grain temperature, reduce the temperature in space in heat insulation husk and the storehouse, with regulation and control upper strata grain temperature, in the prevention, lower floor grain temperature gos up, and improves the low-temperature grain-storage effect.
Claims (6)
1, a kind of horizontal warehouse aeration-cooling device, comprise the horizontal warehouse of bringing air port and air outlet into, it is characterized in that the position apart from 0.6～0.8 meter in grain face is provided with ventilating duct with holes on the grain of horizontal warehouse heap upper strata, the air intake vent of ventilating duct links to each other with the air inlet of horizontal warehouse, and the air outlet of horizontal warehouse is provided with axial flow blower.
2, horizontal warehouse aeration-cooling device according to claim 1, it is characterized in that described ventilating duct is by constituting being in charge of of one or more groups parallel laid, the air intake that each component Guan Youyi root connects air inlet is responsible for and composition is in charge of in several ventilation, and the air intake person in charge passes that air inlet on the bulkhead extends outside the storehouse or links to each other with cold air carrier pipe outside the storehouse.
3, horizontal warehouse aeration-cooling device according to claim 1, it is characterized in that on the interior sidewall surface that described air intake is responsible for air vent being set, guaranteeing when the enough air quantity of conveying are in charge of in each ventilation, can become to provide from the longitudinal side that grain is piled the upper strata horizontal flow to cold air, to satisfy aeration-cooling needs.
4, horizontal warehouse aeration-cooling device according to claim 1 is characterized in that on the whole wall that described ventilation is in charge of air vent being set at interval, provides cold air vertical and that upwards flow with the horizontal plane from grain heap upper strata, to satisfy aeration-cooling needs.
5, horizontal warehouse aeration-cooling device according to claim 1, it is characterized in that described air inlet is arranged on the front wall top of horizontal warehouse, link to each other with the air intake person in charge on grain heap upper strata, air outlet is arranged on the Hou Qiang top relative with the horizontal warehouse air inlet, air outlet is equipped with axial flow blower, start axial flow blower and can make horizontal warehouse grain heap upper strata and upper space form negative pressure region, under suction function, form an airtight gas channel.
6, a kind of method for storing grains in storehouse with controlled temperature is characterized in that:
A, the horizontal warehouse aeration-cooling device is set on horizontal warehouse grain heap upper strata, promptly comprise the horizontal warehouse of bringing air port and air outlet into, position on the grain of horizontal warehouse heap upper strata apart from 0.6～0.8 meter in grain face is provided with ventilating duct with holes, the air intake vent of ventilating duct links to each other with the air inlet of horizontal warehouse, the air outlet of horizontal warehouse is provided with axial flow blower, make air inlet, ventilating duct to grain heap upper strata and the above space of grain face, arrive air outlet again, form an airtight gas channel;
B, startup axial flow blower, by the air draught of upstriker negative pressure, by force the cold air outside the storehouse is sucked grain heap upper strata and the above space of grain face through air inlet, ventilating duct, flow out through air outlet again, make this zone form negative pressuren zone, this zone in the export-oriented storehouse, storehouse replenishes cold air incessantly again, make effective low temperature cold source when reducing grain heap upper strata grain temperature, reduce the temperature in space in heat insulation husk and the storehouse, with regulation and control upper strata grain temperature, in the prevention, lower floor grain temperature gos up, and improves the low-temperature grain-storage effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810058621XA CN101300922B (en) | 2008-07-02 | 2008-07-02 | Method for storing grains in storehouse with controlled temperature and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810058621XA CN101300922B (en) | 2008-07-02 | 2008-07-02 | Method for storing grains in storehouse with controlled temperature and device thereof |
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| Publication Number | Publication Date |
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| CN101300922A true CN101300922A (en) | 2008-11-12 |
| CN101300922B CN101300922B (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810058621XA Expired - Fee Related CN101300922B (en) | 2008-07-02 | 2008-07-02 | Method for storing grains in storehouse with controlled temperature and device thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919442A (en) * | 2010-08-04 | 2010-12-22 | 陈国利 | Stored grain temperature adjusting method |
| CN102282983A (en) * | 2011-06-08 | 2011-12-21 | 南京财经大学 | Layered ventilation method and system for grain store |
| CN102648680A (en) * | 2012-05-03 | 2012-08-29 | 扬中灵平风机制造有限公司 | Multi-purpose ventilating device for granary and ventilating method of same |
| CN102860186A (en) * | 2012-09-28 | 2013-01-09 | 天津塘沽国家粮食储备库 | Energy-saving tall bungalow granary |
| CN104137715A (en) * | 2014-07-30 | 2014-11-12 | 国家粮食局科学研究院 | Negative-pressure-typed granary cooling system |
| CN104813816A (en) * | 2015-05-27 | 2015-08-05 | 成都良运粮农科技有限公司 | Multilayer partition heat insulation ventilating low-temperature granary and temperature control method thereof |
| CN107380771A (en) * | 2017-07-24 | 2017-11-24 | 金田国康（天津）农业科技发展有限公司 | Tunnel negative pressure self-priming is cold to may move spliced miniature silo |
| CN110249810A (en) * | 2019-06-27 | 2019-09-20 | 中国农业科学院草原研究所 | A kind of repository and its storage method improving herbage storage property |
| CN110731178A (en) * | 2019-12-03 | 2020-01-31 | 中南粮油食品科学研究院有限公司 | grain storage simulation storehouse with accurate temperature control |
| CN110839415A (en) * | 2019-12-02 | 2020-02-28 | 河南工业大学 | Thermal-insulated temperature control system in tall and big one-storey house granary heap top |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278696Y (en) * | 2008-07-02 | 2009-07-29 | 云南昆明国家粮食储备中转库 | Super-layer aeration-cooling device on horizontal warehouse |
-
2008
- 2008-07-02 CN CN200810058621XA patent/CN101300922B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919442A (en) * | 2010-08-04 | 2010-12-22 | 陈国利 | Stored grain temperature adjusting method |
| CN102282983B (en) * | 2011-06-08 | 2013-01-09 | 南京财经大学 | Layered ventilation method and system for grain store |
| CN102282983A (en) * | 2011-06-08 | 2011-12-21 | 南京财经大学 | Layered ventilation method and system for grain store |
| CN102648680A (en) * | 2012-05-03 | 2012-08-29 | 扬中灵平风机制造有限公司 | Multi-purpose ventilating device for granary and ventilating method of same |
| CN102860186B (en) * | 2012-09-28 | 2015-02-04 | 天津塘沽国家粮食储备库 | Energy-saving tall bungalow granary |
| CN102860186A (en) * | 2012-09-28 | 2013-01-09 | 天津塘沽国家粮食储备库 | Energy-saving tall bungalow granary |
| CN104137715A (en) * | 2014-07-30 | 2014-11-12 | 国家粮食局科学研究院 | Negative-pressure-typed granary cooling system |
| CN104813816A (en) * | 2015-05-27 | 2015-08-05 | 成都良运粮农科技有限公司 | Multilayer partition heat insulation ventilating low-temperature granary and temperature control method thereof |
| CN104813816B (en) * | 2015-05-27 | 2016-08-17 | 成都良运粮农科技有限公司 | A kind of insulated ventilation low-temperature grain-storage storehouse, Multilayer partition and temperature control method |
| CN107380771A (en) * | 2017-07-24 | 2017-11-24 | 金田国康（天津）农业科技发展有限公司 | Tunnel negative pressure self-priming is cold to may move spliced miniature silo |
| CN107380771B (en) * | 2017-07-24 | 2023-10-20 | 天津鲜食原品生物科技有限公司 | Tunnel negative pressure self-suction cooling movable spliced miniature granary |
| CN110249810A (en) * | 2019-06-27 | 2019-09-20 | 中国农业科学院草原研究所 | A kind of repository and its storage method improving herbage storage property |
| CN110839415A (en) * | 2019-12-02 | 2020-02-28 | 河南工业大学 | Thermal-insulated temperature control system in tall and big one-storey house granary heap top |
| CN110731178A (en) * | 2019-12-03 | 2020-01-31 | 中南粮油食品科学研究院有限公司 | grain storage simulation storehouse with accurate temperature control |
| CN110731178B (en) * | 2019-12-03 | 2024-04-05 | 中南粮油食品科学研究院有限公司 | Grain storage simulation bin with accurate temperature control function |
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| CN101300922B (en) | 2010-08-25 |
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