CN108040622A - Cooling and ventilating control system and method for grain storage bin - Google Patents
Cooling and ventilating control system and method for grain storage bin Download PDFInfo
- Publication number
- CN108040622A CN108040622A CN201711352203.7A CN201711352203A CN108040622A CN 108040622 A CN108040622 A CN 108040622A CN 201711352203 A CN201711352203 A CN 201711352203A CN 108040622 A CN108040622 A CN 108040622A
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- grain
- host computer
- storehouse
- observing
- temperature
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Links
- 238000000034 method Methods 0.000 title claims description 23
- 238000001816 cooling Methods 0.000 title abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 61
- 238000005259 measurement Methods 0.000 claims abstract description 40
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 235000013339 cereals Nutrition 0.000 claims description 168
- 230000005494 condensation Effects 0.000 claims description 31
- 238000009833 condensation Methods 0.000 claims description 31
- 238000005273 aeration Methods 0.000 claims description 11
- 238000005265 energy consumption Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention discloses a cooling and ventilation control system for a grain storage bin, which comprises an upper computer, a temperature and humidity sensor, a ventilation fan, a measurement and control host, measurement and control sub-machines and fan control boards, wherein the temperature and humidity sensor comprises an in-bin temperature and humidity sensor, an outdoor temperature and humidity sensor, a moisture sensor and a grain temperature sensor matrix, the upper computer is connected with the measurement and control host, the measurement and control host is connected with a plurality of measurement and control sub-machines, each measurement and control sub-machine is respectively connected with the in-bin temperature and humidity sensor, the outdoor temperature and humidity sensor, the moisture sensor and the grain temperature sensor matrix through temperature measuring cables, each measurement and control sub-machine is also respectively connected with a plurality of fan control boards, and each fan control board. The invention can automatically control the cooling and ventilation, can capture the optimal ventilation opportunity, improves the efficiency of the ventilation operation, reduces the moisture reduction caused by the ventilation operation and improves the economic benefit.
Description
Technical field
The present invention relates to the technical fields of foodstuff preservation, and in particular to a kind of grain storehouse cooling ventilated control system and its side
Method.
Background technology
Grain storehouse intelligent cooling ventilated control system, during for being aerated in grain storehouse grain storage to warehouse, to big temperature
Degree and the Temperature Distribution of humidity and grain heap are detected in real time, have related parameter for different grains, pass through model point
Analysis, draws if appropriate for force ventilation, ventilating system is controlled in real time.
In the ventilation process that cools down, after grain feelings data update, temperature field is built.On the basis of temperature field, grain feelings are generated
Cloud atlas carries out grain feelings nephanalysis, draws moisture condensation face, when moisture condensation face removes grain heap, end ventilating；According to moving for moisture condensation face
Speed is moved, calculates the expeced time that ventilating is completed.
The content of the invention
The present invention be exactly in order to solve the problems, such as in above-mentioned technology, and provide a kind of grain storehouse cooling ventilated control system and
Its method.
The present invention is realized according to following technical scheme：
The grain storehouse cooling ventilated control system of the present invention, including host computer, warm and humid sensor and draft fan, further includes observing and controlling
Host, observing and controlling extension set and air-blower control plate, warm and humid sensor include warm and humid sensor in storehouse, outdoor temp wet sensor, moisture and pass
Sensor and grain temperature sensor matrix, host computer connection measurement and control host computer, measurement and control host computer connect multiple observing and controlling extension sets, often
A observing and controlling extension set is connected with warm and humid sensor in storehouse, outdoor temp wet sensor, moisture transducer and grain by cable for measuring temperature respectively
Temperature sensor matrix, each observing and controlling extension set are also respectively connected multiple air-blower control plates, and each air-blower control plate is respectively connected with pair
The draft fan answered.
Multiple observing and controlling extension sets are separately positioned in mutually independent grain storehouse.
The host computer and measurement and control host computer is arranged in the control room of grain storage warehouse area, and measurement and control host computer connection control is multiple
Observing and controlling extension set in grain storehouse.
The grain storehouse cooling aeration control method of the present invention, it is described to be as follows：
Step 1, host computer transmit control instruction to measurement and control host computer；
Step 2, measurement and control host computer transmit timing acquiring data command to the observing and controlling extension set of multiple grain storehouses；
Step 3, each observing and controlling extension set is at interval of warm and humid sensor, moisture transducer and grain temperature sensor in N minutes detection storehouses
Matrix, and gather temperature in storehouse, humidity and grain temperature in storehouse；Each observing and controlling extension set is at interval of warm and humid sensing outside M minutes sensing chamber
Device, and gather atmospheric temperature and atmospheric humidity；
The data of acquisition are uploaded to measurement and control host computer by step 4, multiple observing and controlling extension sets respectively, then by measurement and control host computer by multiple observing and controlling
The data of extension set acquisition are uploaded to host computer；
Step 5, the data that host computer is gathered according to multiple observing and controlling extension sets generate the grain feelings cloud atlas of corresponding grain storehouse respectively, and
Whether moisture condensation face is formed according to grain feelings cloud atlas, determines whether that grain storehouse needs are aerated；
Step 6 after host computer judges that some grain storehouse needs are aerated, passes through observing and controlling of the measurement and control host computer to the grain storehouse
Extension set transmission ventilation instruction, air-blower control plate control corresponding draft fan to open；
Step 7, in ventilation process, data that host computer gathers in real time according to the observing and controlling extension set of the grain storehouse pass through grain feelings cloud atlas
Moisture condensation face calculate ventilation duration and ventilation energy consumption and judge whether need stop ventilation；
Step 8 after host computer judges that the grain storehouse needs to stop ventilation, passes through observing and controlling point of the measurement and control host computer to the grain storehouse
The machine end of transmission instructs, and air-blower control plate controls corresponding draft fan to close.
The grain feelings cloud atlas be grain storehouse north-south vertical section isollaothermic chart, moisture condensation face for set temperature value etc.
Warm line.
In the step five, if forming moisture condensation face in the grain feelings cloud atlas of certain grain storehouse, judge the grain storehouse need into
Row ventilation, it is on the contrary then no.
In the step six, draft fan carries out force ventilation.
In the step seven, when ventilation starts, Quan Cang storehouses that host computer gathers in real time according to the observing and controlling extension set of grain storehouse
The mean values of interior temperature and grain temperature are analyzed；During ventilation back segment, host computer gathers in real time according to the observing and controlling extension set of grain storehouse
Ventilation opening in storehouse the real time value of temperature and grain temperature analyzed.
In the step seven, in ventilation process, the moisture condensation face of the grain storehouse is moved along direction of ventilation in grain feelings cloud atlas,
When the face of moisture condensation removes grain feelings cloud atlas, cereal temperature has reached expected value in the grain storehouse, and host computer judges that the grain storehouse needs
Stop divulging information, it is on the contrary then no.
In the step seven, in ventilation process, shifting of the host computer according to the moisture condensation face of the grain storehouse in grain feelings cloud atlas
Dynamic speed calculates the ventilation duration that moisture condensation face removes grain feelings cloud atlas, and duration of divulging information, and calculates ventilation energy consumption.
The invention has the advantages and positive effects that：
The present invention can carry out automatically controlling for cooling ventilation, can capture optimal ventilating occasion, improve the efficiency of ventilating,
It reduces the moisture as caused by ventilating to be reduced, increase economic efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the flow chart of the present invention；
Fig. 3 is the grain feelings cloud atlas of grain storehouse of the present invention.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the grain storehouse cooling ventilated control system of the present invention, including host computer, warm and humid sensor and ventilation
Wind turbine, further includes measurement and control host computer, observing and controlling extension set and air-blower control plate, and warm and humid sensor includes warm and humid sensor, outdoor temp in storehouse
Wet sensor, moisture transducer and grain temperature sensor matrix, host computer connection measurement and control host computer, measurement and control host computer connection
Multiple observing and controlling extension sets, each observing and controlling extension set respectively by cable for measuring temperature be connected with warm and humid sensor in storehouse, outdoor temp wet sensor,
Multiple air-blower control plates, each wind turbine control is also respectively connected in moisture transducer and grain temperature sensor matrix, each observing and controlling extension set
Making sheet is respectively connected with corresponding draft fan.
Multiple observing and controlling extension sets are separately positioned in mutually independent grain storehouse.
The host computer and measurement and control host computer is arranged in the control room of grain storage warehouse area, and measurement and control host computer connection control is multiple
Observing and controlling extension set in grain storehouse.
As shown in Fig. 2, the grain storehouse cooling aeration control method of the present invention, described to be as follows：
Step 1, host computer transmit control instruction to measurement and control host computer；
Step 2, measurement and control host computer transmit timing acquiring data command to the observing and controlling extension set of multiple grain storehouses；
Step 3, each observing and controlling extension set is at interval of warm and humid sensor, moisture transducer and grain temperature sensor in N minutes detection storehouses
Matrix, and gather temperature in storehouse, humidity and grain temperature in storehouse；Each observing and controlling extension set is at interval of warm and humid sensing outside M minutes sensing chamber
Device, and gather atmospheric temperature and atmospheric humidity；
The data of acquisition are uploaded to measurement and control host computer by step 4, multiple observing and controlling extension sets respectively, then by measurement and control host computer by multiple observing and controlling
The data of extension set acquisition are uploaded to host computer；
Step 5, the data that host computer is gathered according to multiple observing and controlling extension sets generate the grain feelings cloud atlas of corresponding grain storehouse respectively, and
Whether moisture condensation face is formed according to grain feelings cloud atlas, determines whether that grain storehouse needs are aerated；
Step 6 after host computer judges that some grain storehouse needs are aerated, passes through observing and controlling of the measurement and control host computer to the grain storehouse
Extension set transmission ventilation instruction, air-blower control plate control corresponding draft fan to open；
Step 7, in ventilation process, data that host computer gathers in real time according to the observing and controlling extension set of the grain storehouse pass through grain feelings cloud atlas
Moisture condensation face calculate ventilation duration and ventilation energy consumption and judge whether need stop ventilation；
Step 8 after host computer judges that the grain storehouse needs to stop ventilation, passes through observing and controlling point of the measurement and control host computer to the grain storehouse
The machine end of transmission instructs, and air-blower control plate controls corresponding draft fan to close.
The grain feelings cloud atlas be grain storehouse north-south vertical section isollaothermic chart, moisture condensation face for set temperature value etc.
Warm line.
In the step five, if forming moisture condensation face in the grain feelings cloud atlas of certain grain storehouse, judge the grain storehouse need into
Row ventilation, it is on the contrary then no.
In the step six, draft fan carries out force ventilation.
In the step seven, when ventilation starts, Quan Cang storehouses that host computer gathers in real time according to the observing and controlling extension set of grain storehouse
The mean values of interior temperature and grain temperature are analyzed；During ventilation back segment, host computer gathers in real time according to the observing and controlling extension set of grain storehouse
Ventilation opening in storehouse the real time value of temperature and grain temperature analyzed.
In the step seven, in ventilation process, the moisture condensation face of the grain storehouse is moved along direction of ventilation in grain feelings cloud atlas,
When the face of moisture condensation removes grain feelings cloud atlas, cereal temperature has reached expected value in the grain storehouse, and host computer judges that the grain storehouse needs
Stop divulging information, it is on the contrary then no.
In the step seven, in ventilation process, shifting of the host computer according to the moisture condensation face of the grain storehouse in grain feelings cloud atlas
Dynamic speed calculates the ventilation duration that moisture condensation face removes grain feelings cloud atlas, and duration of divulging information, and calculates ventilation energy consumption.
The present invention uses WIN/7/XP and the computer of more than operating system as host computer, and uses ACCESS relationship types
Database.Host computer and measurement and control host computer are connected with each other and are set along in the control room of grain storage warehouse area, measurement and control host computer connection
Control is arranged on observing and controlling extension set in multiple and different grain storehouses, and the observing and controlling extension set in each grain storehouse is connected respectively in the grain storehouse
Warm and humid sensor in the storehouse set above grain heap, the outdoor temp wet sensor set outside storehouse, the moisture biography set in grain heap in storehouse
Sensor and grain temperature sensor matrix.Its China Oil and Food Import and Export Corporation's temperature sensor matrix includes multigroup grain temperature sensor group being set up in parallel, every group of grain
Temperature sensor group is vertically installed with a plurality of grain temperature sensor band, and every grain temperature sensor band is provided with multiple grain temperature and passes from top to bottom
Sensor.Observing and controlling extension set according to the control instruction of host computer at interval of warm and humid sensor in 10 minutes detection storehouses, moisture transducer and
Grain temperature sensor matrix gathers temperature in storehouse, humidity and grain temperature in storehouse；At interval of warm and humid sensor outside 5 minutes sensing chamber, acquisition
Atmospheric temperature and atmospheric humidity.
Temperature in the different storehouses that host computer is gathered according to each grain storehouse, humidity, grain temperature, atmospheric temperature and air in storehouse
Humidity establishes corresponding grain feelings cloud atlas.By taking Fig. 3 as an example, 4 degrees Celsius of thermoisopleth is set to be determined as moisture condensation face, the grain of the grain storehouse
Moisture condensation face is formed in feelings cloud atlas, then judges that grain storehouse needs are aerated, observing and controlling extension set passes through multiple wind in the grain storehouse
Machine control panel controls multiple draft fans to carry out horizontal ventilations, and host computer continue to temperature in acquisition storehouse, humidity in storehouse,
Grain temperature, atmospheric temperature and atmospheric humidity.When ventilation starts, warm and humid sensor in whole storehouses inside the grain storehouse of host computer acquisition
Temperature and the grain temperature of grain temperature sensor matrix in storehouse, and respectively according to the mean values of the mean values of temperature in storehouse and grain temperature into
Row analysis；Divulge information back segment when, host computer only capture setting temperature in the storehouse of warm and humid sensor in the storehouse at grain storehouse ventilation opening
With the grain temperature of grain temperature sensor matrix, and analyzed according to the numerical value gathered in real time.It calculates moisture condensation face and removes grain feelings cloud atlas
Ventilation duration and ventilation energy consumption, when the face of moisture condensation removes grain feelings cloud atlas, host computer judges that the grain storehouse needs stopping ventilation, surveys
Control extension set controls multiple draft fans to be stopped by multiple air-blower control plates in the grain storehouse.
The present invention can carry out automatically controlling for cooling ventilation, can capture optimal ventilating occasion, improve ventilating
Efficiency reduces the moisture as caused by ventilating and is reduced, increases economic efficiency.
The embodiment of the present invention is described in detail above, but the content is only presently preferred embodiments of the present invention,
It should not be construed as limiting the practical range of the present invention.Any changes and modifications in accordance with the scope of the present application,
It should all still belong within the patent covering scope of the present invention.
Claims (10)
- The ventilated control system 1. a kind of grain storehouse cools down, including host computer, warm and humid sensor and draft fan, it is characterised in that： Measurement and control host computer, observing and controlling extension set and air-blower control plate are further included, warm and humid sensor includes warm and humid sensor in storehouse, outdoor warm and humid sensing Device, moisture transducer and grain temperature sensor matrix, host computer connection measurement and control host computer, measurement and control host computer connect multiple surveys Extension set is controlled, each observing and controlling extension set is connected with warm and humid sensor in storehouse, outdoor temp wet sensor, moisture by cable for measuring temperature respectively and passes Multiple air-blower control plates are also respectively connected in sensor and grain temperature sensor matrix, each observing and controlling extension set, and each air-blower control plate is equal It is connected with corresponding draft fan.
- The aeration control method 2. grain storehouse according to claim 1 cools down, it is characterised in that：Multiple observing and controlling extension sets It is separately positioned in mutually independent grain storehouse.
- The aeration control method 3. grain storehouse according to claim 2 cools down, it is characterised in that：The host computer and observing and controlling Host is arranged in the control room of grain storage warehouse area, and measurement and control host computer connection controls the observing and controlling extension set in multiple grain storehouses.
- The aeration control method 4. a kind of grain storehouse cools down, it is characterised in that：It is described to be as follows：Step 1, host computer transmit control instruction to measurement and control host computer；Step 2, measurement and control host computer transmit timing acquiring data command to the observing and controlling extension set of multiple grain storehouses；Step 3, each observing and controlling extension set is at interval of warm and humid sensor, moisture transducer and grain temperature sensor in N minutes detection storehouses Matrix, and gather temperature in storehouse, humidity and grain temperature in storehouse；Each observing and controlling extension set is at interval of warm and humid sensing outside M minutes sensing chamber Device, and gather atmospheric temperature and atmospheric humidity；The data of acquisition are uploaded to measurement and control host computer by step 4, multiple observing and controlling extension sets respectively, then by measurement and control host computer by multiple observing and controlling The data of extension set acquisition are uploaded to host computer；Step 5, the data that host computer is gathered according to multiple observing and controlling extension sets generate the grain feelings cloud atlas of corresponding grain storehouse respectively, and Whether moisture condensation face is formed according to grain feelings cloud atlas, determines whether that grain storehouse needs are aerated；Step 6 after host computer judges that some grain storehouse needs are aerated, passes through observing and controlling of the measurement and control host computer to the grain storehouse Extension set transmission ventilation instruction, air-blower control plate control corresponding draft fan to open；Step 7, in ventilation process, data that host computer gathers in real time according to the observing and controlling extension set of the grain storehouse pass through grain feelings cloud atlas Moisture condensation face calculate ventilation duration and ventilation energy consumption and judge whether need stop ventilation；Step 8 after host computer judges that the grain storehouse needs to stop ventilation, passes through observing and controlling point of the measurement and control host computer to the grain storehouse The machine end of transmission instructs, and air-blower control plate controls corresponding draft fan to close.
- The aeration control method 5. grain storehouse according to claim 4 cools down, it is characterised in that：The grain feelings cloud atlas is storage The isollaothermic chart of silo north-south vertical section, moisture condensation face are the thermoisopleth of set temperature value.
- The aeration control method 6. grain storehouse according to claim 5 cools down, it is characterised in that：In the step five, if Moisture condensation face is formed in the grain feelings cloud atlas of certain grain storehouse, then judges that grain storehouse needs are aerated, it is on the contrary then no.
- The aeration control method 7. grain storehouse according to claim 5 cools down, it is characterised in that：In the step six, lead to Wind wind turbine carries out force ventilation.
- The aeration control method 8. grain storehouse according to claim 5 cools down, it is characterised in that：In the step seven, lead to When wind starts, the mean values of temperature and grain temperature carry out in the Quan Cangcang that host computer gathers in real time according to the observing and controlling extension set of grain storehouse Analysis；Divulge information back segment when, temperature and grain temperature in storehouse at the ventilation opening that host computer is gathered in real time according to the observing and controlling extension set of grain storehouse Real time value is analyzed.
- The aeration control method 9. grain storehouse according to claim 8 cools down, it is characterised in that：In the step seven, lead to During wind, the moisture condensation face of the grain storehouse is moved along direction of ventilation in grain feelings cloud atlas, should when the face of moisture condensation removes grain feelings cloud atlas Cereal temperature has reached expected value in grain storehouse, and host computer judges that the grain storehouse needs to stop ventilation, on the contrary then no.
- The aeration control method 10. grain storehouse according to claim 8 cools down, it is characterised in that：In the step seven, lead to During wind, translational speed of the host computer according to the moisture condensation face of the grain storehouse in grain feelings cloud atlas calculates moisture condensation face and removes grain feelings The ventilation duration of cloud atlas, and duration of divulging information calculate ventilation energy consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352203.7A CN108040622A (en) | 2017-12-15 | 2017-12-15 | Cooling and ventilating control system and method for grain storage bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352203.7A CN108040622A (en) | 2017-12-15 | 2017-12-15 | Cooling and ventilating control system and method for grain storage bin |
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| Publication Number | Publication Date |
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| CN108040622A true CN108040622A (en) | 2018-05-18 |
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| CN201711352203.7A Pending CN108040622A (en) | 2017-12-15 | 2017-12-15 | Cooling and ventilating control system and method for grain storage bin |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108764802A (en) * | 2018-06-06 | 2018-11-06 | 吉林大学 | A kind of ABC strategy process suitable for the supervision of grain storage number |
| CN109089566A (en) * | 2018-06-21 | 2018-12-28 | 安徽森米诺农业科技有限公司 | Storage warehouse in grain processing |
| CN109101059A (en) * | 2018-08-22 | 2018-12-28 | 河南纤原网络科技集团有限公司 | A kind of silo Information Management System |
| CN110686371A (en) * | 2019-10-24 | 2020-01-14 | 辽宁省粮食科学研究所 | Granary air conditioner automatic temperature control method based on temperature field cloud picture |
| CN110810027A (en) * | 2019-12-02 | 2020-02-21 | 吉林大学 | Grain temperature-based circulation temperature control method in granary |
| CN113079836A (en) * | 2021-04-29 | 2021-07-09 | 农业农村部规划设计研究院 | Intelligent grain storage bin combining natural ventilation and mechanical ventilation |
| CN114208504A (en) * | 2021-12-14 | 2022-03-22 | 成都锦沅广智科技有限公司 | Green low-temperature grain storage fumigation-free low-temperature grain storage system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108764802A (en) * | 2018-06-06 | 2018-11-06 | 吉林大学 | A kind of ABC strategy process suitable for the supervision of grain storage number |
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| CN109089566A (en) * | 2018-06-21 | 2018-12-28 | 安徽森米诺农业科技有限公司 | Storage warehouse in grain processing |
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| CN113079836A (en) * | 2021-04-29 | 2021-07-09 | 农业农村部规划设计研究院 | Intelligent grain storage bin combining natural ventilation and mechanical ventilation |
| CN113079836B (en) * | 2021-04-29 | 2022-06-10 | 农业农村部规划设计研究院 | Intelligent grain storage bin combining natural ventilation and mechanical ventilation |
| CN114208504A (en) * | 2021-12-14 | 2022-03-22 | 成都锦沅广智科技有限公司 | Green low-temperature grain storage fumigation-free low-temperature grain storage system and method |
| CN114208504B (en) * | 2021-12-14 | 2023-03-14 | 成都锦沅广智科技有限公司 | Green low-temperature grain storage fumigation-free low-temperature grain storage system and method |
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