CN210746148U - Grain storage device integrating natural ventilation and solar-driven ventilation - Google Patents
Grain storage device integrating natural ventilation and solar-driven ventilation Download PDFInfo
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- CN210746148U CN210746148U CN201921548174.6U CN201921548174U CN210746148U CN 210746148 U CN210746148 U CN 210746148U CN 201921548174 U CN201921548174 U CN 201921548174U CN 210746148 U CN210746148 U CN 210746148U
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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
- Y02A40/58—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products using renewable energies
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Abstract
A grain storage device integrating natural ventilation and solar energy driven ventilation into a whole comprises a grain storage bin, a solar photovoltaic power generation system and a ventilation system; the granary is of a square three-dimensional structure, the periphery and the bottom of the square three-dimensional structure are formed by net plates made of metal woven meshes, and an opening on the upper surface of the square three-dimensional structure is connected with a granary top cover; the grain storage bin is divided into a left storage bin and a right storage bin through a ventilation channel arranged in the middle; the top cover of the bin comprises a herringbone sunlight plate; the ventilation system comprises an axial flow fan and a control alarm unit, when the detected temperature and humidity is greater than a set threshold value, an alarm is triggered to alarm, the control module controls the fan to start, and switching between natural ventilation and forced ventilation of an air duct is achieved. The solar photovoltaic power generation system is arranged beside the grain storage bin to provide a required power supply for the grain storage device. The whole cabin of the device adopts a cross-flow type ventilation structure, so that the drying cost is saved, and the space utilization rate of the cabin is improved.
Description
The technical field is as follows:
the utility model belongs to the grain storage field, especially green energy-conserving dehydration and storage after the grain high moisture grain results in grain production area.
Background art:
in recent years, the grain postpartum storage technology in China is developed quickly, a batch of novel green energy-saving grain storage technology and method are popularized, and the problems of high grain postpartum loss rate and severe mildew in China are greatly relieved. These technologies are represented by the scientific grain storage technology, steel mesh grain storage, which is popularized by the grain sector. The grain storage bin is greatly popularized and applied in northeast China, and quality guarantee and loss reduction of the northeast corns after delivery and income increase of farmers are promoted. The storehouse makes full use of cold dry air in northeast regions as a medium, can dry the corns with ears from the moisture content of more than 25 percent to safely store moisture in the storage process of 4-5 months, and realizes green drying of the corns under the condition of completely depending on a natural cold source and not consuming electric energy and petrochemical energy.
When the facility is used in yellow river watershed and North China corn producing area, the problems are very obvious: firstly, the thickness of the grain layer is large; secondly, no forced ventilation device is arranged; thirdly, the top cover is a color steel plate, and the heat efficiency is not high. Due to the large thickness of the grain layer (generally 1.2-1.5 m in northeast), and the high temperature and limited penetration of natural wind during harvesting, the corn mildews seriously after a period of storage. In addition, the area still has very most peasant households now and adopts traditional "groveling" to store up the grain, neither rain-proof, also dampproofing, and the grain mildenes and rot pollutes seriously. Still another part peasant household adopts the cylindrical storage grain bin of high yield engineering popularization, and the main problem that exists is: the top of the bin is not provided with a top cover, and the rain-proof function is not realized; the bottom of the bin is directly contacted with the ground, and a proper ventilation space is not reserved; in addition to the inadequate climatic conditions of an excessively large silo diameter, corn mildew in the central region during storage is likewise very severe. The problems not only seriously affect the grain quality and the income of farmers, but also seriously threaten the health of people because the aflatoxin generated by the mildewing of grains is a carcinogen.
The utility model has the following contents:
in order to solve the above problem that prior art exists, the utility model discloses a melt natural draft and solar drive ventilation storage grain bin as an organic whole, it is big to have solved the grain layer thickness that current storehouse type exists, the structure has fatal defect and lacks forced draft device's problem, make full use of facility popularization and application area sufficient solar photothermal resource and the comparatively dry characteristics of air during the storage, do not need external power can realize the forced draft and the natural draft of storehouse, the quality and the quality safety of storing grain have been ensured.
For overcoming the deficiencies of the prior art, the utility model discloses the technical scheme who takes is:
a grain storage device integrating natural ventilation and solar energy driven ventilation into a whole comprises a grain storage bin, a solar photovoltaic power generation system 3 and a ventilation system; the method is characterized in that:
the granary is of a square three-dimensional structure, the periphery and the bottom of the square three-dimensional structure are formed by net plates made of metal woven meshes, and an opening on the upper surface of the square three-dimensional structure is connected with the granary top cover 1; the grain storage bin is divided into a left storage bin and a right storage bin, namely a left storage bin 4 and a right storage bin 5, through a ventilation channel arranged in the middle;
the left side and the right side of the air duct are respectively provided with an inner side screen plate of a left side bin 4 and an inner side screen plate of a right side bin 5, the front end of the air duct is provided with a front side plate 6, the rear end of the air duct is provided with a rear side plate 7, the upper end of the air duct is provided with a solid air duct top plate 10, and the lower end of the air duct is provided with an air duct bottom plate 12;
the upper part of the grain storage bin is provided with a bin top cover 1, the bin top cover 1 comprises a top cover support 8 and a herringbone sunlight plate 9, the top cover support 8 is of a frame structure with a triangular section layer and is arranged at the top end of the grain storage bin, and the herringbone sunlight plate 9 covers the top cover support 8;
the ventilation system comprises an axial flow fan 2 and a control alarm unit, wherein the axial flow fan is arranged at the lower part of a front side plate 6 of the ventilation duct; the control alarm unit comprises temperature and humidity sensors arranged in the left bin 4 and the right bin 5, an alarm and a control module, and the control module is connected with the axial flow fan;
the solar photovoltaic power generation system 3 is arranged beside the grain storage bin and provides a required power supply for the grain storage device.
The utility model discloses further include following preferred scheme:
reversible structures are adopted on two sides of the herringbone sunlight plate 9, and when one side of the herringbone sunlight plate 9 is turned over, the materials can be fed into the storage bin on the corresponding side of the grain storage bin through the bin top cover frame structure.
And the outer side screen plates of the left side bin 4 and the right side bin 5 are respectively provided with a discharge port capable of being opened/closed, and the bottom side edge of the discharge port is flush with the lower side screen plate of the grain storage bin.
The lower end of the grain storage bin is also provided with a supporting leg, and the height of the supporting leg from the ground is 300-500 mm.
The thickness of the grain layer is set to be 700 mm-1000mm, namely the width L2 of the left side bin 4 and the width L2' of the right side bin 5 are both in the range of 700 mm-1000 mm.
The length L1 of the grain storage bin is not more than 4000 mm, and the height H of the grain storage bin is not more than 3000 mm.
The temperature and humidity sensors 11 are respectively arranged at the positions, 500mm-1000mm away from the upper end face of the grain storage bin, of the inner parts of the left side bin 4 and the right side bin 5 and not less than 500mm of the grain loading face, the output ends of the temperature and humidity sensors 11 are connected to the controller, and the output end of the controller is respectively connected with the start-stop switch of the alarm and the start-stop switch of the axial flow fan.
The alarm is arranged on the outer side of the screen plates around the grain storage bin, and the controller is arranged near the start-stop switch of the axial flow fan.
A front side plate 6 arranged at the front end of the air duct and a rear side plate 7 arranged at the rear end of the air duct are of shutter structures, and the shutter structures adopt a manual or electric working mode;
the air duct bottom plate 12 arranged at the lower end of the air duct is of a door type structure, and the door type structure adopts a manual or electric working mode.
When the temperature value or the humidity value measured by any one of the temperature and humidity sensors in the left bin 4 and the right bin 5 exceeds a preset threshold value, the alarm sends an alarm signal, the controller electrically controls shutters of a front side plate 6 and a rear side plate 7 of the air duct and a door type structure of a bottom plate 12 of the air duct to be closed, then the axial flow fan is started, the grain storage device enters a forced ventilation mode, and outside air is forced to enter the air duct and then cross material layers of the bins on two sides; when all temperature values or humidity values measured by the temperature and humidity sensors in the left side bin 4 and the right side bin 5 do not exceed a preset threshold value, shutters of the front side plate 6 and the rear side plate 7 of the air duct and a door type structure of the bottom plate 12 of the air duct are opened in a manual mode or a controller in an electric mode, the axial flow fan is not started, and the grain storage device enters a natural ventilation mode.
The preset threshold comprises a temperature preset threshold and a humidity preset threshold, wherein the temperature preset threshold is in a value range of 25-35 ℃, the humidity preset threshold is in a value range of 65-80% RH, and the temperature preset threshold and the humidity preset threshold are simultaneously satisfied; the temperature preset threshold value is optimized to be 26.5 ℃, and the humidity preset threshold value is optimized to be 70% RH.
The technical effect of the utility model.
Compared with the prior art, the beneficial effects of the utility model are that: (1) the thickness of the grain layer in the storage bin is reduced from more than 1.2 meters to 0.7-1.0 meter, the storage bin is suitable for the natural climate of the yellow river basin and the northern China corn production area at present, natural air can be used for ventilation and precipitation, and the drying cost is saved. (2) The whole bin adopts a cross-flow ventilation structure, so that the defects of small bin capacity, unstable bin body and the like caused by a single-bin single-side ventilation structure are overcome; under the condition of ensuring the quality of the grains, the space utilization rate of the bin is improved. (3) A forced ventilation control system is driven by solar photovoltaic power generation, and when the moisture of the grains in the bin reaches a critical value (namely a set threshold value), the forced ventilation system is started, so that the quality of the high-moisture corns is ensured not to be deteriorated during storage. (4) The electric energy generated by the solar photovoltaic power generation system can be used for farmers and households when forced ventilation is not needed. (5) The bottom of the bin body is smooth with the ground for a gap of 0.4 meter, so that air can penetrate through the grain layer more fully; the top is made of a light-transmitting material, and solar energy is fully utilized for drying as much as possible; these measures also improve the precipitation efficiency of the grain bin.
Description of the drawings:
FIG. 1 is a front view of a grain storage device of the utility model integrating natural ventilation and solar-driven ventilation;
FIG. 2 is a right side view of the grain storage device incorporating natural ventilation and solar driven ventilation;
FIG. 3 is a left side view of a grain storage device that integrates natural ventilation with solar driven ventilation;
fig. 4 is a schematic view of the working elevation of the grain storage bin in a forced ventilation state;
FIG. 5 is a schematic plan view of the working of the grain storage bin in a forced draft condition;
fig. 6 is a schematic view of the working elevation of the grain storage bin in a natural ventilation state;
fig. 7 is a schematic view of the working plane of the grain storage bin in a natural draft condition;
FIG. 8 is a bottom door type structure of a grain storage bin system that integrates natural ventilation with solar driven ventilation;
FIG. 9 is the open state of the shutters on the front and rear sides of the grain storage bin system that integrates natural ventilation and solar-driven ventilation;
fig. 10 shows the closed state of the shutters on the front and rear sides of the grain storage bin system integrating natural ventilation and solar-driven ventilation.
The solar photovoltaic power generation system comprises a bin top cover 1, an axial flow fan 2, a solar photovoltaic power generation system 3, a left bin 4, a right bin 5, a ventilation duct front side plate 6, a ventilation duct rear side plate 7, a top cover support 8, a herringbone sunlight plate 9, a ventilation duct top plate 10, a temperature and humidity sensor 11 and a ventilation duct floor 12.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings.
As can be seen from fig. 1, 2 and 3, the grain storage device integrating natural ventilation and solar driven ventilation comprises a grain storage bin, a solar photovoltaic power generation system 3 and a ventilation system.
The granary is of a square three-dimensional structure, the periphery and the bottom of the square three-dimensional structure are formed by net plates made of metal woven meshes, and an opening on the upper surface of the square three-dimensional structure is connected with the granary top cover 1; the grain storage bin is divided into a left storage bin and a right storage bin, namely a left storage bin 4 and a right storage bin 5, by an air duct arranged in the middle. And the outer side screen plates of the left side bin 4 and the right side bin 5 are respectively provided with a discharge port which can be opened/closed, and the bottom side of the discharge port is flush with the lower side screen plate of the grain storage bin.
The left and right sides of ventiduct is the inboard otter board in left side storehouse 4 and right side storehouse 5 respectively, sets up preceding curb plate 6 at the front end of ventiduct, sets up posterior lateral plate 7 at the rear end of ventiduct, sets up solid ventiduct roof 10 in the upper end of ventiduct, sets up ventiduct bottom plate 12 at the lower extreme of ventiduct. Wherein, to the curb plate around the ventiduct, both can set up in the corresponding otter board of storage grain bin and constitute ventilation channel with the two inboard otter boards in left side storehouse 4 and right side storehouse 5, also can remove the otter board that storage grain bin is located the middle of left side storehouse 4 and right side storehouse 5, set up respectively with the curb plate around the ventiduct in the middle of left side storehouse 4 and right side storehouse 5 of storage grain bin front and back side, constitute ventilation channel with the inboard otter board of both sides storage grain bin.
The upper part of the grain storage bin is provided with a bin top cover 1, the bin top cover 1 comprises a top cover support 8 and a herringbone sunlight plate 9, the top cover support 8 is of a frame structure with a triangular section and is arranged at the top end of the grain storage bin, and the herringbone sunlight plate 9 covers the top cover support 8; the lower edge of the top cover bracket 8 is fixedly connected with the upper edge of the screen plate around the grain storage bin by welding or adopting a screw mode and the like. Referring to the attached figure 2, the warehouse top cover frame structure is covered with the herringbone sunlight plates 9, the herringbone sunlight plates 9 can be respectively turned upwards, and when one side of the herringbone sunlight plates 9 is turned, the warehouse on the corresponding side of the grain warehouse can be fed through the warehouse top cover frame structure.
The ventilation system comprises an axial flow fan 2 and a control alarm unit, wherein the axial flow fan is arranged at the lower part of a front side plate 6 of the ventilation duct; the alarm unit comprises temperature and humidity sensors 11 arranged inside the left side bin 4 and the right side bin 5, an alarm and a control module, and the control module is connected with the axial flow fan. The temperature and humidity sensor 11 is used for indirectly measuring the moisture of the grains in the grain storage bin. When the detected temperature and humidity are larger than a set threshold value, an alarm is triggered to give an alarm, and the control module controls the fan to start, so that the switching between natural ventilation and forced ventilation of the air duct is realized.
Referring to fig. 1, the solar photovoltaic power generation system 3 is arranged beside the grain storage bin to provide power for the grain storage device. The solar photovoltaic power generation system provides 5-10 hours of electric energy per day for the ventilation system by utilizing the electric energy converted from solar energy, and the redundant electric energy can also be used for households of farmers.
The lower end of the grain storage bin is also provided with a supporting leg, and the height of the supporting leg from the ground is 300-500 mm.
Referring to fig. 2, the thickness of the grain layer is set to 700 mm-1000mm, namely the width L2 of the left bin 4 and the width L2' of the right bin 5 are both in the range of 700 mm-1000 mm. The length L1 of the grain storage bin is not more than 4000 mm, and the height H of the grain storage bin is not more than 3000 mm.
The temperature and humidity sensors are respectively arranged at the positions, 500mm-1000mm away from the upper end face of the grain storage bin, of the inner parts of the left side bin 4 and the right side bin 5 and not less than 500mm of the grain loading face, the output ends of the temperature and humidity sensors are connected to the controller, and the output end of the controller is respectively connected with the start-stop switch of the alarm and the start-stop switch of the axial flow fan.
The alarm is arranged on the outer side of the screen plates around the grain storage bin, and the controller is arranged near the start-stop switch of the axial flow fan.
Referring to fig. 8, inside screens of the storage bin are arranged on two sides of the air duct; the bottom plate 12 of the air duct arranged at the lower end of the air duct is of a door type structure, and the door type structure adopts a manual or electric working mode (see figure 8); the front side plate 6 arranged at the front end of the air duct and the rear side plate 7 arranged at the rear end of the air duct are of shutter structures, and the shutter structures adopt a manual or electric working mode (see attached figures 9 and 10). When forced ventilation is adopted, the door type structure and the shutter are closed; when natural ventilation is performed, the door type structure and the shutter are opened. Fig. 9 shows the shutter in the open position and fig. 10 shows the shutter in the closed position.
When the temperature value or the humidity value measured by any one of the temperature and humidity sensors in the left bin 4 and the right bin 5 exceeds a preset threshold value, the alarm sends an alarm signal, the controller electrically controls shutters of a front side plate 6 and a rear side plate 7 of the air duct and a door type structure of a bottom plate 12 of the air duct to be closed, then the axial flow fan is started, the grain storage device enters a forced ventilation mode, and outside air is forced to enter the air duct and then cross material layers of the bins on two sides; when all temperature values or humidity values measured by the temperature and humidity sensors in the left side bin 4 and the right side bin 5 do not exceed a preset threshold value, shutters of the front side plate 6 and the rear side plate 7 of the air duct and a door type structure of the bottom plate 12 of the air duct are opened in a manual mode or a controller in an electric mode, the axial flow fan is not started, and the grain storage device enters a natural ventilation mode.
The preset threshold comprises a temperature preset threshold and a humidity preset threshold, wherein the temperature preset threshold is in a value range of 25-35 ℃, and the humidity preset threshold is in a value range of 65-80% RH, which are simultaneously satisfied. The temperature preset threshold value is optimized to be 26.5 ℃, and the humidity preset threshold value is optimized to be 70% RH.
After entering the air duct, the outside air crosses the material layers on the two sides, and the airflow flows to the material layers shown in the figures 4, 5, 6 and 7. Fig. 4, fig. 5 are the air current flow direction when the fan forces the ventilation, and at this moment, the ventiduct is in the enclosed state, and the shutter of ventiduct preceding curb plate 6 and posterior lateral plate 7 and the gate-type structure of ventiduct bottom plate 12 are in the closed state, and the fan is opened, and gas flows into the ventiduct by the fan, then flows out to left side storehouse 4 and right side storehouse 5 direction. Fig. 6, the air current flow direction during fig. 7 is natural ventilation, this moment, the shutter of ventiduct preceding curb plate 6 and posterior lateral plate 7 and the gate-type structure of ventiduct bottom plate 12 are in the open mode, natural wind direction changes unusually, what storage grain bin put is based on when maize results natural monsoon wind direction and place actual conditions, a natural wind flow direction for the hypothesis in the picture, natural wind is by 5 sides in right side storehouse, ventiduct bottom plate 11, the inflow of ventiduct front plate, by 4 sides in left side storehouse, the outflow of ventiduct back plate.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (9)
1. A grain storage device integrating natural ventilation and solar energy driven ventilation into a whole comprises a grain storage bin, a solar photovoltaic power generation system (3) and a ventilation system; the method is characterized in that:
the granary is of a square three-dimensional structure, the periphery and the bottom of the square three-dimensional structure are respectively composed of screen plates made of metal woven meshes, and an opening on the upper surface of the square three-dimensional structure is connected with a granary top cover (1); the grain storage bin is divided into a left storage bin and a right storage bin, namely a left storage bin (4) and a right storage bin (5), through a ventilation duct arranged in the middle;
the left side and the right side of the air channel are respectively provided with an inner side screen plate of a left side bin (4) and an inner side screen plate of a right side bin (5), the front end of the air channel is provided with a front side plate (6), the rear end of the air channel is provided with a rear side plate (7), the upper end of the air channel is provided with a solid air channel top plate (10), and the lower end of the air channel is provided with an air channel bottom plate (12);
the granary top cover (1) is arranged at the upper part of the granary, the granary top cover (1) comprises a top cover support (8) and a herringbone sunlight plate (9), the top cover support (8) is of a frame structure with a triangular section and is arranged at the top end of the granary, and the herringbone sunlight plate (9) covers the top cover support (8);
the ventilation system comprises an axial flow fan (2) and a control alarm unit, wherein the axial flow fan is arranged at the lower position of a front side plate (6) of the ventilation duct; the control alarm unit comprises temperature and humidity sensors arranged in the left bin (4) and the right bin (5), an alarm and a control module, and the control module is connected with the axial flow fan;
the solar photovoltaic power generation system (3) is arranged beside the grain storage bin to provide a required power supply for the grain storage device.
2. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 1, wherein:
the two sides of the herringbone sunlight plates (9) are of a turnover structure, and when one side of the herringbone sunlight plates (9) is turned over, the materials can be fed into the storage bin on the corresponding side of the grain storage bin through the bin top cover frame structure.
3. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 1, wherein:
and the outer side screen plates of the left side bin (4) and the right side bin (5) are respectively provided with a discharge port capable of being opened/closed, and the bottom side edge of the discharge port is flush with the lower side screen plate of the grain storage bin.
4. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 1, wherein:
the lower end of the grain storage bin is also provided with a supporting leg, and the height of the supporting leg from the ground is 300-500 mm.
5. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 1 or 4, wherein:
the thickness of the grain layer is set to be 700 mm-1000mm, namely the width L2 of the left side bin (4) and the width L2' of the right side bin (5) are both in the range of 700 mm-1000 mm.
6. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 5, wherein:
the length L1 of the grain storage bin is not more than 4000 mm, and the height H of the grain storage bin is not more than 3000 mm.
7. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 6, wherein:
a temperature and humidity sensor (11) is respectively arranged at the positions, which are 500mm-1000mm away from the upper end surface of the grain storage bin, of the insides of the left side bin (4) and the right side bin (5) and are not less than 500mm of the grain loading surface, the output end of the temperature and humidity sensor (11) is connected to a controller, and the output end of the controller is respectively connected with a start-stop switch of an alarm and an axial flow fan.
8. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 7, wherein:
the alarm is arranged on the outer side of the screen plates around the grain storage bin, and the controller is arranged near the start-stop switch of the axial flow fan.
9. The grain storage device integrating natural ventilation and solar-driven ventilation as a whole as claimed in claim 1 or 8, wherein:
a front side plate (6) arranged at the front end of the air duct and a rear side plate (7) arranged at the rear end of the air duct are of shutter structures, and the shutter structures adopt manual or electric working modes;
the ventilating duct bottom plate (12) arranged at the lower end of the ventilating duct is of a door type structure, and the door type structure adopts a manual or electric working mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921548174.6U CN210746148U (en) | 2019-09-18 | 2019-09-18 | Grain storage device integrating natural ventilation and solar-driven ventilation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921548174.6U CN210746148U (en) | 2019-09-18 | 2019-09-18 | Grain storage device integrating natural ventilation and solar-driven ventilation |
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| CN210746148U true CN210746148U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463451A (en) * | 2019-09-18 | 2019-11-19 | 农业农村部规划设计研究院 | A kind of grain storage apparatus for melting gravity-flow ventilation and Driven by Solar Energy ventilation and being integrated |
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2019
- 2019-09-18 CN CN201921548174.6U patent/CN210746148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463451A (en) * | 2019-09-18 | 2019-11-19 | 农业农村部规划设计研究院 | A kind of grain storage apparatus for melting gravity-flow ventilation and Driven by Solar Energy ventilation and being integrated |
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