CN107246715A - Interior circulation low-temperature grain-storage system and method - Google Patents
Interior circulation low-temperature grain-storage system and method Download PDFInfo
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- CN107246715A CN107246715A CN201710418960.3A CN201710418960A CN107246715A CN 107246715 A CN107246715 A CN 107246715A CN 201710418960 A CN201710418960 A CN 201710418960A CN 107246715 A CN107246715 A CN 107246715A
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- temperature
- grain
- grain heap
- storehouse
- heap
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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
- A01F25/14—Containers specially adapted for storing
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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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention discloses a kind of interior circulation low-temperature grain-storage system and method, system includes：Silo, its bottom is provided with least one ventilating opening, and metope, which is provided with motorized window, ventilating opening, is provided with motor-driven valve, and a ventilating opening is connected with one end of an insulating tube, the other end connection circulation fan of insulating tube, and the ground of silo is provided with ventilation cage；Ventilation equipment, it includes at least one centrifugal blower, at least one circulation fan and at least one air-conditioning；Grain feelings detection unit, it includes Temperature Humidity Sensor in multiple grain heap temperature sensors and a storehouse；Intelligent aeration unit, it includes first server and Intelligent control cabinet, and first server is connected with the small-sized weather station communication outside storehouse, and the operating of ventilation equipment and the opening and closing of motor-driven valve are automatically controlled by Intelligent control cabinet.The present invention can be carried out intelligent control in time, alleviate the labor intensity of warehouse keeper, greatly reduce storehouse management cost in grain heap temperature and storehouse during humiture deviation safe grain storage scope.
Description
Technical field
The present invention relates to technical field of food storage.It is more particularly related to a kind of interior circulation low-temperature grain-storage system
System and method.
Background technology
During grain storage, situations such as temperature, humidity over limit occur heating, gone mouldy.Traditional method be for humidometer,
The test equipments such as hair hygrometer, dual metal type meter and humidity test paper, by manually being detected, to do not meet temperature and
The storehouse of humidity requirement such as is aerated, dries and cooled the work, the method in such labor management warehouse, because grain depot is accounted for
Ground area is wide, scale is big, and warehouse quantity is more, capacity big, and artificial detection is difficult to ensure that every in timely, accurate grasp storing process
The situation of change of monitoring index, wastes time and energy, not enough intelligently, thus can not be in grain heap temperature, storehouse during humiture deviation control
Carry out intelligent control in time.
The content of the invention
It is logical by grain feelings detection unit, intelligence it is an object of the present invention to provide a kind of interior circulation low-temperature grain-storage system
Wind unit and monitoring the state of foodstuff alarm unit, solve the problem of existing grain storage system is not intelligent enough, warm and humid in grain heap temperature, storehouse
When degree deviates safe grain storage scope, intelligent control in time is carried out, mitigates the labor intensity of warehouse keeper.
It is a further object to provide a kind of interior circulation low temperature storing grain method, to realize mean annual temperature in storehouse
Be maintained at less than 15 DEG C, in the average grain temperature of summer high temperature season between 15~17 DEG C, and effectively prevent from condensing, reach low temperature,
The requirement of machine aeration, and reach the requirement of low energy consumption, low cost, low human and material resources and environmentally friendly grain storage.
In order to realize according to object of the present invention and further advantage there is provided a kind of interior circulation low-temperature grain-storage system,
Including：
Silo, the bottom of one face wall is provided with least one ventilating opening, is set on another face wall relative with the face wall
Have and motor-driven valve is provided with motorized window, the ventilating opening, a ventilating opening is connected with the bottom of an insulating tube, the top of insulating tube
Portion is provided with kink, and the kink is stretched into silo, and on the top of grain, the ground of silo with being provided with ventilation
Cage, the ventilation cage is connected with least one described ventilating opening；
Ventilation equipment, it includes at least one centrifugal blower, at least one circulation fan and at least one air-conditioning, and one leads to
Air port one centrifugal blower of correspondence and a circulation fan, ventilating opening are connected with the air outlet of centrifugal blower, and circulation fan is set
At the top of insulating tube, air-conditioning is arranged on the top of grain face inside silo；
Grain feelings detection unit, it includes multiple grain heap temperature sensors in grain heap and one is located above grain heap
Temperature Humidity Sensor in storehouse, the grain feelings detection unit is by humiture data output in grain heap temperature and storehouse；
Intelligent aeration unit, it includes the first service that grain heap temperature and warm and humid degrees of data in storehouse are received by grain mutual affection machine
Device, and the Intelligent control cabinet being all connected with ventilation equipment and motor-driven valve, the first server and the small-sized weather station outside storehouse
Communication connection, and the real time humiture of small-sized weather station is received, the first server is real-time by the small-sized weather station of acquisition
Humiture is compared with humiture in grain heap temperature and storehouse, and passes through the fortune of the ventilation equipment in Intelligent control cabinet control silo
Turn the opening and closing with motor-driven valve.
Preferably, in described interior circulation low-temperature grain-storage system, the first server is also preset with different grain product
The grain heap temperature alarming range threshold planted, if not falling within the alarm range threshold value, exports alarm command；
The interior circulation low-temperature grain-storage system, in addition to：
Monitoring the state of foodstuff alarm unit, it includes communicating the display and alarm that are connected, the display with first server
The real time humiture that humiture and small-sized weather station are obtained in device displaying grain heap temperature, storehouse, and grain is shown by threedimensional model
The distribution of Temperature Humidity Sensor in grain heap temperature sensor, storehouse in storehouse, and ventilation equipment operating；The alarm is received
The alarm command, and alert.
Preferably, in described interior circulation low-temperature grain-storage system, in addition to：
PC ends, it is connected with first server communication, to set the parameter and alarm range threshold value of intelligent aeration；
Mobile client, it is connected with alarm communication, to receive warning message.
Preferably, in described interior circulation low-temperature grain-storage system, in addition to：
Voice announcer, it is connected with first server communication, and the voice packet or word prestored by calling turns
Change speech interface and carry out voice broadcast.
Preferably, in described interior circulation low-temperature grain-storage system, the threedimensional model is realized real using B/S architectures
When gather, 3d silo models are combined with web browser using WEBGL technologies, the grain heap temperature in the whole three-dimensional silo of displaying
The distribution of Temperature Humidity Sensor in sensor, storehouse, and ventilation equipment operating.
Preferably, in described interior circulation low-temperature grain-storage system, multiple grain heap temperature sensors are specifically configured to：
Grain heap temperature sensor is embedded in grain heap, according to 3.7~5.0m of horizontal direction line-spacing, is arranged away from 4.5~5.0m, vertically
Direction 0.8~2.0m of spacing sets grain heap temperature sensor, in grain heap the grain heap temperature sensor of outermost away from grain heap upper surface,
Orlop, the distance of bulkhead are 0.3~1m.
Preferably, in described interior circulation low-temperature grain-storage system, the first server is also obtained by small-sized weather station
The real time humiture taken calculates dew-point temperature；
The operating of ventilation equipment and the opening and closing of motor-driven valve in the Intelligent control cabinet control silo are specifically included：
A, cool ambient air refrigeration：
Beginning condition is real-time humidity, the grain heap that the humidity that Temperature Humidity Sensor is measured in storehouse is more than that small-sized weather station is obtained
In the average value of temperature that measures of all grain heap temperature sensors obtained dew-point temperature is calculated higher than first server, it is and small-sized
The real time temperature that weather station is obtained is less than 6~8 DEG C of the average value of the temperature that all grain heap temperature sensors are measured in grain heap；
Termination condition is that grain temperature drops to safe grain storage temperature range；
To start condition correspondence motor-driven valve, motorized window and the unlatching of centrifugal blower, with termination condition correspondence centrifugal blower, electricity
The closing motor-driven valve of dynamic window and motor-driven valve；
B, interior circulation refrigeration：
The average value for the temperature that beginning condition measures for all grain heap temperature sensors of grain heap surface is higher than grain heap bottom institute
There is 2 DEG C of the average value for the temperature that grain heap temperature sensor measures, while ambient temperature is more than or equal to 20 DEG C；
Termination condition is that grain heap thermograde is less than 1 DEG C/m；
To start the unlatching of condition correspondence circulation fan, the closing of motor-driven valve and motorized window, with termination condition correspondence circulation
The closing of blower fan；
C, air conditioner refrigerating：
Beginning condition is that the temperature value that Temperature Humidity Sensor is measured in storehouse is more than low-temperature grain-storage safety value；
Termination condition is that temperature is within low-temperature grain-storage safe range in storehouse；
To start the unlatching of condition correspondence air-conditioning and circulation fan, with the pass of termination condition correspondence air-conditioning and circulation fan
Close.
Preferably, in described interior circulation low-temperature grain-storage system, the airflow direction level of the air-conditioning.
A kind of interior circulation low temperature storing grain method, including：
A, mid-December~January next year, when the humidity that Temperature Humidity Sensor is measured in storehouse is more than what small-sized weather station was obtained
The average value for the temperature that all grain heap temperature sensors are measured calculates obtained dew higher than first server in real-time humidity, grain heap
Point temperature, and real time temperature being averaged less than the temperature that all grain heap temperature sensors in grain heap are measured that small-sized weather station is obtained
During 6~8 DEG C of value, each motor-driven valve, motorized window and centrifugal blower are opened, makes centrifugal blower that cold air to be passed through to cage of divulging information and conveys
To silo, cold air is gone out after passing through whole grain heap by motorized window, and grain temperature drops to after safe grain storage temperature range, is closed
Each motor-driven valve, motorized window and centrifugal blower；
B, spring next year, all door and windows and motor-driven valve are closed, silo is in air-tight state, and be thermally shielded to silo；
C, summer next year, when the average value for the temperature that all grain heap temperature sensors of grain heap surface are measured is higher than grain heap bottom
2 DEG C of the average value for the temperature that all grain heap temperature sensors are measured, while when ambient temperature is more than or equal to 20 DEG C, opening circulation wind
Machine, closes motor-driven valve and motorized window, and circulation fan pumps the cold air of grain bottom, and upper air is pushed automatically, passes through
Grain heap, forms interior circulation so that the grain temperature in whole silo reaches balance, when grain heap thermograde is less than 1 DEG C/m, closes ring
Flow fan；When the temperature value that Temperature Humidity Sensor is measured in storehouse is more than low-temperature grain-storage safety value, air-conditioning is opened, while opening ring
Flow fan, circulation fan extracts the air of grain bottom out, and silo internal upper part pressure is higher than bottom, and cold air is pushed automatically, passes through
Grain heap, forms temperature in interior circulation, storehouse and is in after low-temperature grain-storage safe range, close air-conditioning and circulation fan；
D, autumn next year, during fine day, when daily 17~21, grain face is stirred, while door and window.
The present invention at least includes following beneficial effect：
Firstth, grain feelings detection unit of the invention includes multiple grain heap temperature sensors in grain heap and one is located at
Temperature Humidity Sensor in storehouse in storehouse above grain heap, it can effectively monitor the temperature of each collection point position grain heap Nei, it is to avoid grain
The inaccurate situation of heap temperature monitoring occurs.Grain control humidity before grain depot is entered, in relatively low scope, can be saved in grain heap
Middle installation humidity sensor, and Temperature Humidity Sensor is warm and humid in storehouse with regard to that can monitor in a storehouse above grain heap in storehouse
Degree, therefore can effectively save cost.
Secondth, in the real time humiture and grain heap temperature and storehouse that the present invention is obtained small-sized weather station by first server
Humiture is compared, and the operating of ventilation equipment and the opening and closing of motor-driven valve, including cool ambient air are controlled by Intelligent control cabinet
A variety of air vent modes such as refrigeration, interior circulation refrigeration and air conditioner refrigerating, thus, it is possible to the humiture deviation peace in grain heap temperature and storehouse
During full grain storage scope, auto-control in time is carried out, and in the winter time using extraneous cold dry air refrigeration, is taken full advantage of extraneous cold
Source, saves the power consumption of ventilation equipment, greatly reduces warehouse use cost.
3rd, first server of the invention is also preset with the grain heap temperature alarming range threshold of different grain varieties, if
The grain heap temperature monitored does not fall within the alarm range threshold value and then exports alarm command, and then receiving the alarm by alarm refers to
Order, and alert to mobile client to notify related personnel to verify and handle warning message, prevent due to setting
Standby failure can not intelligent cooling ventilation and the loss that causes.
4th, the display in monitoring the state of foodstuff alarm unit of the invention can show grain heap temperature, in storehouse humiture and
The real time humiture that small-sized weather station is obtained, and by the B/S architectures in threedimensional model, using WEBGL technologies by 3d grains
Storehouse model is combined with web browser, point of Temperature Humidity Sensor in the grain heap temperature sensor, storehouse in the whole three-dimensional silo of displaying
The operating of cloth and ventilation equipment, on the one hand use, installation and upgrade are convenient, it is only necessary to carry out corresponding portion in server end
Administration, issue and renewal；On the other hand possess in terms of the displaying of whole three-dimensional warehouse and its facility operation state other configurations with
The advantage that control software does not possess, the formal truth that can be pulled with 3d intuitively shows warehouse model, and bandwagon effect is more straight
See.
5th, voice announcer of the invention will deposit the kind and Temperature Humidity Combinations of grain into voice broadcast in storehouse
Hold, voice packet is carried by calling system or text conversion speech interface is called, content will be reported in the form of massage voice reading
Play back, can effectively reduce different operating personnel pronunciation it is nonstandard, the problems such as misread.
6th, the present invention persistently reduces the temperature inside grain heap using extraneous cold dry air, and combines external equipment reduction
Temperature inside grain heap, makes foodstuff preservation bulk temperature in storehouse remain at a relatively low state, natural low temperature grain
Storehouse and its storing grain method can improve the ecological environment in grain heap, delay the time of insect effective accumulated temperature, reduce and avoid insect pest,
The Probability condense, generate heat, gone mouldy, it is to avoid because carrying out stifling using chemical agent and protecting triggered chemical agent to remain
The potential hazard come Deng pollution to human body health care belt, is done step-by-step green grain storage.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structured flowchart of interior circulation low-temperature grain-storage system of the present invention；
Fig. 2 is the structural representation of silo of the present invention；
Fig. 3 is the structural representation of motorized window of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the limit of the present invention
System.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
As shown in Figure 1 to Figure 3, the present invention provides a kind of interior circulation low-temperature grain-storage system, including：
Silo 100, the bottom of one face wall is provided with least one ventilating opening 101, another face wall relative with the face wall
On be provided with motorized window 105, the ventilating opening 101 and be provided with motor-driven valve 104, a ventilating opening 101 and an insulating tube 102
Bottom connection, the top of insulating tube 102 is provided with kink, and the kink is stretched into silo 100, and positioned at the upper of grain
Ventilation cage 103 is provided with side, the ground of silo 100, the ventilation cage 103 connects with least one described ventilating opening 101
It is logical；
Ventilation equipment, it includes at least one centrifugal blower 110, at least one circulation fan 120 and at least one air-conditioning
130, a ventilating opening 101 corresponds to a centrifugal blower 110 and a circulation fan 120, ventilating opening 101 and centrifugal blower 110
Air outlet connection, circulation fan 120 is arranged on the top of insulating tube 102, and air-conditioning 130 is arranged on the inside grain face of silo 100
Top；
Grain feelings detection unit, it includes multiple grain heap temperature sensors 140 in grain heap and one is located in grain heap
Temperature Humidity Sensor 150 in the storehouse of side, the grain feelings detection unit is by humiture data output in grain heap temperature and storehouse；
Intelligent aeration unit, it includes receiving the first of grain heap temperature and warm and humid degrees of data in storehouse by grain mutual affection machine 190
Server 160, and the Intelligent control cabinet 170 being all connected with ventilation equipment and motor-driven valve 104, i.e. Intelligent control cabinet 170 and sky
Adjust 130, centrifugal blower 110, motorized window 105, circulation fan 120 and motor-driven valve 104 to be all connected with, the first server 160 with
The communication connection of small-sized weather station 180 outside storehouse, and receive the real time humiture of small-sized weather station 180, the first server 160
The real time humiture of the small-sized weather station 180 of acquisition is compared with humiture in grain heap temperature and storehouse, and passes through intelligent control
The operating and the opening and closing of motor-driven valve 104 of ventilation equipment in the control of cabinet 170 silo 100 processed.
The interior circulation low-temperature grain-storage system that this programme is provided, when in use, grain feelings detection unit is by grain heap temperature and storehouse
Humiture data output, first server 160 receives grain heap temperature and the storehouse that grain feelings detection unit is exported by grain mutual affection machine 190
Interior humiture, while the real time humiture of small-sized weather station 180 is obtained, and the real time humiture that small-sized weather station 180 is obtained
It is compared with humiture in grain heap temperature and storehouse, then controls the operating of ventilation equipment and the opening and closing of motor-driven valve 104.
In another group of technical scheme, the first server 160 is also preset with the grain heap temperature report of different grain varieties
Alert range threshold, if not falling within the alarm range threshold value, exports alarm command；
The interior circulation low-temperature grain-storage system, in addition to：
Monitoring the state of foodstuff alarm unit, it includes communicating the display 200 and alarm 210 that are connected with first server 160,
The real time humiture that humiture and small-sized weather station 180 are obtained in the displaying grain heap of display 200 temperature, storehouse, and pass through
The distribution of Temperature Humidity Sensor 150 in grain heap temperature sensor 140, storehouse in threedimensional model displaying silo 100, and ventilation are set
Standby operating；The alarm 210 receives the alarm command, and alert.
The interior circulation low-temperature grain-storage system that this programme is provided, when in use, because display 200 and first server 160 are logical
News connection, the real time humiture that display 200 can show grain heap temperature, humiture and small-sized weather station 180 are obtained in storehouse, and
Grain heap temperature sensor 140 in silo 100 is shown by threedimensional model, the distribution of Temperature Humidity Sensor 150 and logical in storehouse
The operating of wind devices；First server 160 is also preset with the grain heap temperature alarming range threshold of different grain varieties, if not falling within
The alarm range threshold value then exports alarm command；Alarm 210 receives the alarm command, and alert.
In another group of technical scheme, in addition to：
PC ends 220, it is connected with the first server 160 communication, to set the parameter and alarm model of intelligent aeration
Enclose threshold value；
Mobile client 230, it is connected with the alarm 210 communication, to receive warning message, and notifies related personnel
Verify and handle warning message, prevent because the system failure can not intelligent cooling and the loss that causes.
In another group of technical scheme, in addition to：
Voice announcer 240, communication is connected with the first server 160 for it, the voice packet that is prestored by calling or
Text conversion speech interface carries out voice broadcast, so can effectively reduce different operating personnel pronunciation it is nonstandard, the problems such as misread.
In another group of technical scheme, the threedimensional model realizes real-time collection using B/S architectures, uses WEBGL
Technology is combined the model of 3d silos 100 with web browser, grain heap temperature sensor 140 in the whole three-dimensional silo 100 of displaying,
The distribution of Temperature Humidity Sensor 150 in storehouse, and ventilation equipment working order, the technology possesses other configurations and control software
The advantage not possessed, the formal truth that can be pulled with 3d intuitively shows warehouse model, and bandwagon effect is more directly perceived.
In another group of technical scheme, multiple grain heap temperature sensors 140 are specifically configured to：
Grain heap temperature sensor 140 is embedded in grain heap, according to 3.7~5.0m of horizontal direction line-spacing, is arranged away from 4.5~5.0m,
0.8~2.0m of vertical direction spacing set the grain heap temperature sensor 140 of outermost in grain heap temperature sensor 140, grain heap away from
Grain heap upper surface, orlop, the distance of bulkhead are 0.3~1m, so can effectively monitor the temperature of each collection point position grain heap Nei,
The inaccurate situation of grain heap temperature monitoring is avoided to occur.
In another group of technical scheme, real-time temperature of the first server 160 also by being obtained from small-sized weather station 180
Humidity calculates dew-point temperature, the temperature and humidity that air dew point temperature is obtained by first server 160 according to small-sized weather station 180
Calculated and obtained by dew-point formula；
The operating of ventilation equipment and the opening and closing of motor-driven valve 104 in the control of Intelligent control cabinet 170 silo 100 are specifically wrapped
Include：
A, cool ambient air refrigeration：
Beginning condition is that the humidity that Temperature Humidity Sensor 150 is measured in storehouse is more than the real-time wet that small-sized weather station 180 is obtained
The average value for the temperature that all grain heap temperature sensors 140 are measured calculates obtained dew higher than first server 160 in degree, grain heap
Point temperature, and the real time temperature that small-sized weather station 180 is obtained is less than the temperature that all grain heap temperature sensors 140 are measured in grain heap
6~8 DEG C of average value；
Termination condition is that grain temperature drops to safe grain storage temperature range；
To start the unlatching of condition correspondence motor-driven valve 104, motorized window 105 and centrifugal blower 110, with termination condition correspondence from
The closing of heart blower fan 110, motorized window 105 and motor-driven valve 104；
Concrete operations are：The motorized window 105 on the motor-driven valve 104 at each ventilating opening 101, another face wall is opened, is centrifuged
Cold air is delivered in silo 100 by blower fan 110 by cage 103 of divulging information, and cold air passes through motorized window after passing through whole grain heap
105 go out, and grain temperature drops to after safe grain storage temperature range, close all centrifugal blowers 110, motorized window 105 and ventilating opening 101
The motor-driven valve 104 at place.The pattern is typically used in the winter time.
B, interior circulation refrigeration：
Beginning condition is that the average value for the temperature that all grain heap temperature sensors 140 of grain heap surface are measured is higher than grain heap bottom
2 DEG C of the average value for the temperature that all grain heap temperature sensors 140 are measured, while ambient temperature is more than or equal to 20 DEG C；
Termination condition is that grain heap thermograde is less than 1 DEG C/m；
To start the unlatching of condition correspondence circulation fan 120, the closing of motor-driven valve 104 and motorized window 105, with termination condition
The closing of correspondence circulation fan 120；
Concrete operations are：After cool ambient air refrigeration mode terminates, closed environment is in silo 100, ring is now opened
Flow fan 120, the cold air of grain bottom is pumped, upper air is pushed automatically, through grain heap so that whole silo 100
Interior grain temperature reaches balance, when grain heap thermograde is less than 1 DEG C/m, closes circulation fan 120.The pattern is general in spring and summer
Use.
C, air-conditioning 130 freeze：
Beginning condition is that the temperature value that Temperature Humidity Sensor 150 is measured in storehouse is more than low-temperature grain-storage safety value；
Termination condition is that temperature is within low-temperature grain-storage safe range in storehouse；
To start the unlatching of condition correspondence air-conditioning 130 and circulation fan 120, with termination condition correspondence air-conditioning 130 and circulation
The closing of blower fan 120；
Concrete operations are：When the temperature in silo 100 is more than low-temperature grain-storage safety value, air-conditioning 130 is opened, is opened simultaneously
Circulation fan 120, extracts the air of bottom out, and the internal upper part pressure of silo 100 is higher than bottom, and cold air can be pushed automatically, through grain
Heap, realizes the purpose of cooling, and forms interior circulation, when temperature is within low-temperature grain-storage safe range in silo 100, closes
Air-conditioning 130 and circulation fan 120.The pattern is typically used in summer.
In another group of technical scheme, the airflow direction level of the air-conditioning 130 so can be reduced quickly in silo 100
The temperature of air above grain heap, in the presence of circulation fan 120, extracts the air of bottom, the internal upper part pressure of silo 100 out
It is higher than bottom by force, cold air can be pushed automatically, through grain heap, realizes circulation in the purpose of cooling, and formation.
Above-mentioned Three models, after a kind of pattern terminates, automatic decision whether switch mode.
A kind of interior circulation low temperature storing grain method, including：
A, mid-December~January next year, when the humidity that Temperature Humidity Sensor is measured in storehouse is more than what small-sized weather station was obtained
The average value for the temperature that all grain heap temperature sensors are measured calculates obtained dew higher than first server in real-time humidity, grain heap
Point temperature, and real time temperature being averaged less than the temperature that all grain heap temperature sensors in grain heap are measured that small-sized weather station is obtained
During 6~8 DEG C of value, each motor-driven valve, motorized window and centrifugal blower are opened, makes centrifugal blower that cold air to be passed through to cage of divulging information and conveys
To silo, cold air is gone out after passing through whole grain heap by motorized window, and grain temperature drops to after safe grain storage temperature range, is closed
Each motor-driven valve, motorized window and centrifugal blower；
B, spring next year, all door and windows and motor-driven valve are closed, silo is in air-tight state, and be thermally shielded to silo；
C, summer next year, when the average value for the temperature that all grain heap temperature sensors of grain heap surface are measured is higher than grain heap bottom
2 DEG C of the average value for the temperature that all grain heap temperature sensors are measured, while when ambient temperature is more than or equal to 20 DEG C, opening circulation wind
Machine, circulation fan pumps the cold air of grain bottom, and upper air is pushed automatically, through grain heap, forms interior circulation so that
Grain temperature in whole silo reaches balance, when grain heap thermograde is less than 1 DEG C/m, closes circulation fan；When humiture in storehouse
When the temperature value that sensor is measured is more than low-temperature grain-storage safety value, air-conditioning is opened, while opening circulation fan, circulation fan is extracted out
The air of grain bottom, silo internal upper part pressure is higher than bottom, and cold air is pushed automatically, through grain heap, is formed in interior circulation, storehouse
Temperature is in after low-temperature grain-storage safe range, closes air-conditioning and circulation fan；
D, autumn next year, during fine day, when daily 17~21, grain face is stirred, while door and window.
Natural low temperature grain storage main contents cool and safeguarded the cryopreservation technology of grain temperature in storehouse using natural cooling source,
Favourable natural conditions are made full use of, all door and windows of unlatching and ventilating opening stage by stage carry out natural low temperature grain storage, natural low temperature
The concrete principle and process of grain storage are as follows：
1st, winter grabs low temperature and carries out basis；
The characteristics of winter temperature is low is made full use of, since annual mid-December, when outside air temperature is substantially reduced, is adopted
The mode for carrying out gravity-flow ventilation with all door and windows of unlatching, ventilating opening, and centrifugal blower reduces grain heap temperature.Winter utilizes nature
The specific method of cold source cool-down is：The ventilating opening of all door and windows and grain bin bottom is first turned on, centrifugal blower is opened, makes cold air
Cold air circulation is formed from bottom to top from the ventilating opening of grain bin bottom, and according to temperature, the actual change situation of grain temperature, fine day divides 2
~3 stages multiple gravity-flow ventilations of progress, and the combination reduction temperature difference, this purpose of balanced grain temperature, to indivedual cooling-down effects not
Obvious position carries out cooling processing using single tube ventilation, and being finally reached reduces the purpose of full storehouse grain temperature.Terminate in January next year certainly
Right low-temperature aeration, makes the average grain temperature in full storehouse be reduced to less than 15 DEG C.Due to the main nature with cold dry air in ventilation process
Based on low-temperature aeration, extraneous low-temperature receiver is taken full advantage of, the power consumption of ventilation equipment is effectively saved, so as to greatly reduce into
This.
2nd, spring closed consolidates low-temperature grain-storage effect；
In order to consolidate the low-temperature grain-storage environment of winter natural low temperature creation, prevent storehouse temperature, grain temperature with spring temperature rise
Increase too fast, thus need emphasis to carry out the closed work to ventilating opening and door and window, before temperature rise, all doors should be closed
Window and ventilating opening, and heat-insulation working is carried out, temperature in silo is maintained at low-temperature condition.
3rd, summer gravity-flow ventilation keeps low-temperature grain-storage achievement；
During grain storage, the situation of change of summer is found in contrast storehouse, and the grain heap after winter low temperature storage is in, lower floor
A more stable nucleus is formd, range of temperature is smaller.The sensitive part of grain heap temperature change is apart from grain
The top layer of 30~50cm below face, and directly affected by storehouse temperature, so realizing low temperature or the storage of quasi- low temperature in summer high temperature season
The key of grain is effective control storehouse temperature, so as to effectively control grain temperature.Summer realizes that the specific method of low-temperature grain-storage is：Close all
Door and window, opens ventilating opening, opens circulation fan, the cold air of grain bottom is pumped, upper air is pushed automatically, through grain
Heap, interior circulation is formed with this so that the grain temperature in whole silo reaches balance.When temperature is more than low-temperature grain-storage safety value in storehouse
When, air-conditioning is opened, the air of bottom is extracted out by circulation fan, silo internal upper part pressure is higher than bottom, under cold air meeting is automatic
Pressure, through grain heap, interior circulation is formed with this, the purpose of cooling is realized.
4th, autumn anti-condensation, improves low-temperature grain-storage achievement；
Due to autumn outside air temperature change greatly, for prevent because mercury dropped is too fast and caused by condense, it is necessary in storehouse personnel and
When stir grain face, while door and window ventilation dissipate gas, reduce the temperature difference prevent condensation.The time of ventilation in autumn is typically chosen in daily
17~21 when, check that once outer temperature, exogenous damp and storehouse temperature, storehouse are wet every 2h during ventilation, prevent new caused by ventilation is not good at
Condensation.And on the basis of working herein, actively carry out pest control work, reduce the use of chemical agent.
Natural low temperature grain storage technology using extraneous natural low temperature, realize mean annual temperature in storehouse be maintained at 15 DEG C with
Under, in the average grain temperature of summer high temperature season between 15~17 DEG C, and condensation is effectively prevented, reached low temperature, machine aeration
Requirement, be finally reached the requirement of low energy consumption, low cost, low human and material resources and environmentally friendly grain storage.During whole grain storage, grain
Drinking water point is varied less, and so maintains the quality of grain.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (9)
1. a kind of interior circulation low-temperature grain-storage system, it is characterised in that including：
Silo, the bottom of one face wall is provided with least one ventilating opening, and electricity is provided with another face wall relative with the face wall
Motor-driven valve is provided with dynamic window, the ventilating opening, a ventilating opening is connected with the bottom of an insulating tube, set at the top of insulating tube
Kink is equipped with, the kink is stretched into silo, and ventilation cage is provided with the top of grain, the ground of silo,
The ventilation cage is connected with least one described ventilating opening；
Ventilation equipment, it includes at least one centrifugal blower, at least one circulation fan and at least one air-conditioning, a ventilating opening
One centrifugal blower of correspondence and a circulation fan, ventilating opening are connected with the air outlet of centrifugal blower, and circulation fan is arranged on guarantor
The top of warm pipe, air-conditioning is arranged on the top of grain face inside silo；
Grain feelings detection unit, it includes multiple grain heap temperature sensors in grain heap and one is located in the storehouse above grain heap
Temperature Humidity Sensor, the grain feelings detection unit is by humiture data output in grain heap temperature and storehouse；
Intelligent aeration unit, it includes receiving the first server of grain heap temperature and warm and humid degrees of data in storehouse by grain mutual affection machine,
And the Intelligent control cabinet being all connected with ventilation equipment and motor-driven valve, the first server and the small-sized weather station communication outside storehouse
Connection, and the real time humiture of small-sized weather station is received, the first server is real-time warm and humid by the small-sized weather station of acquisition
Degree be compared with humiture in grain heap temperature and storehouse, and by Intelligent control cabinet control silo in ventilation equipment operating with
The opening and closing of motor-driven valve.
2. circulation low-temperature grain-storage system in as claimed in claim 1, it is characterised in that the first server is also preset with not
With the grain heap temperature alarming range threshold of grain variety, if not falling within the alarm range threshold value, alarm command is exported；
The interior circulation low-temperature grain-storage system, in addition to：
Monitoring the state of foodstuff alarm unit, it includes communicating the display and alarm that are connected, the display exhibition with first server
Show grain heap temperature, the real time humiture that humiture and small-sized weather station are obtained in storehouse, and shown by threedimensional model in silo
Grain heap temperature sensor, in storehouse Temperature Humidity Sensor distribution, and ventilation equipment operating；The alarm receives described
Alarm command, and alert.
3. circulation low-temperature grain-storage system in as claimed in claim 2, it is characterised in that also include：
PC ends, it is connected with first server communication, to set the parameter and alarm range threshold value of intelligent aeration；
Mobile client, it is connected with alarm communication, to receive warning message.
4. circulation low-temperature grain-storage system in as claimed in claim 2, it is characterised in that also include：
Voice announcer, it is connected with first server communication, the voice packet or text conversion language prestored by calling
Sound interface carries out voice broadcast.
5. circulation low-temperature grain-storage system in as claimed in claim 2, it is characterised in that the threedimensional model uses B/S systems
Structure realizes real-time collection, is combined 3d silo models with web browser using WEBGL technologies, in the whole three-dimensional silo of displaying
Grain heap temperature sensor, in storehouse Temperature Humidity Sensor distribution, and ventilation equipment operating.
6. circulation low-temperature grain-storage system in as claimed in claim 1, it is characterised in that multiple grain heap TEMP implement bodies are set
It is set to：
Grain heap temperature sensor is embedded in grain heap, according to 3.7~5.0m of horizontal direction line-spacing, is arranged away from 4.5~5.0m, vertical direction
0.8~2.0m of spacing sets the grain heap temperature sensor of outermost in grain heap temperature sensor, grain heap away from grain heap upper surface, storehouse
Bottom, the distance of bulkhead are 0.3~1m.
7. circulation low-temperature grain-storage system in as claimed in claim 1, it is characterised in that the first server is also by small-sized
The real time humiture that weather station is obtained calculates dew-point temperature；
The operating of ventilation equipment and the opening and closing of motor-driven valve in the Intelligent control cabinet control silo are specifically included：
A, cool ambient air refrigeration：
Beginning condition is more than institute in the real-time humidity of small-sized weather station acquisition, grain heap for the humidity that Temperature Humidity Sensor in storehouse is measured
The average value for having the temperature that grain heap temperature sensor measures calculates obtained dew-point temperature, and small-sized meteorology higher than first server
The real time temperature obtained of standing is less than 6~8 DEG C of the average value of the temperature that all grain heap temperature sensors are measured in grain heap；
Termination condition is that grain temperature drops to safe grain storage temperature range；
To start condition correspondence motor-driven valve, motorized window and the unlatching of centrifugal blower, with termination condition correspondence centrifugal blower, motorized window
With the closing of motor-driven valve；
B, interior circulation refrigeration：
Beginning condition is that the average value for the temperature that all grain heap temperature sensors of grain heap surface are measured is higher than all grains of grain heap bottom
2 DEG C of the average value for the temperature that heap temperature sensor is measured, while ambient temperature is more than or equal to 20 DEG C；
Termination condition is that grain heap thermograde is less than 1 DEG C/m；
To start the unlatching of condition correspondence circulation fan, the closing of motor-driven valve and motorized window, with termination condition correspondence circulation fan
Closing；
C, air conditioner refrigerating：
Beginning condition is that the temperature value that Temperature Humidity Sensor is measured in storehouse is more than low-temperature grain-storage safety value；
Termination condition is that temperature is within low-temperature grain-storage safe range in storehouse；
To start the unlatching of condition correspondence air-conditioning and circulation fan, with the closing of termination condition correspondence air-conditioning and circulation fan.
8. circulation low-temperature grain-storage system in as claimed in claim 7, it is characterised in that the airflow direction level of the air-conditioning.
9. a kind of interior circulation low temperature storing grain method, it is characterised in that including：
A, mid-December~January next year, when the humidity that Temperature Humidity Sensor is measured in storehouse is more than the real-time of small-sized weather station acquisition
The average value for the temperature that all grain heap temperature sensors are measured calculates obtained dew point temperature higher than first server in humidity, grain heap
Degree, and average value 6 of the real time temperature less than the temperature that all grain heap temperature sensors in grain heap are measured that small-sized weather station is obtained
At~8 DEG C, each motor-driven valve, motorized window and centrifugal blower are opened, centrifugal blower is delivered to cold air by cage of divulging information
In silo, cold air is gone out after passing through whole grain heap by motorized window, and grain temperature drops to after safe grain storage temperature range, is closed each
Individual motor-driven valve, motorized window and centrifugal blower；
B, spring next year, all door and windows and motor-driven valve are closed, silo is in air-tight state, and be thermally shielded to silo；
C, summer next year, when the average value for the temperature that all grain heap temperature sensors of grain heap surface are measured owns higher than grain heap bottom
2 DEG C of the average value for the temperature that grain heap temperature sensor is measured, while when ambient temperature is more than or equal to 20 DEG C, circulation fan is opened,
Motor-driven valve and motorized window are closed, circulation fan pumps the cold air of grain bottom, and upper air is pushed automatically, through grain
Heap, forms interior circulation so that the grain temperature in whole silo reaches balance, when grain heap thermograde is less than 1 DEG C/m, closes circulation
Blower fan；When the temperature value that Temperature Humidity Sensor is measured in storehouse is more than low-temperature grain-storage safety value, air-conditioning is opened, while opening circulation
Blower fan, circulation fan extracts the air of grain bottom out, and silo internal upper part pressure is higher than bottom, and cold air is pushed automatically, through grain
Heap, forms temperature in interior circulation, storehouse and is in after low-temperature grain-storage safe range, close air-conditioning and circulation fan；
D, autumn next year, during fine day, when daily 17~21, grain face is stirred, while door and window.
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| CN108184450A (en) * | 2018-03-19 | 2018-06-22 | 河南工业大学 | Major diameter vertical silo aeration cooling system and method |
| CN108307813A (en) * | 2018-01-08 | 2018-07-24 | 中储粮成都粮食储藏科学研究所 | A kind of paddy Storing in quality guaranteed technique |
| CN108594914A (en) * | 2018-06-25 | 2018-09-28 | 镇江大全现代农业发展有限公司 | A kind of intelligence rice warehouse and working method |
| CN109832018A (en) * | 2019-03-18 | 2019-06-04 | 南京财经大学 | A kind of silo and its application method preventing grain heap wall moisture condensation |
| CN110096085A (en) * | 2019-05-22 | 2019-08-06 | 福建瑞达精工股份有限公司 | The control method and terminal of intelligent silo |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5618910Y2 (en) * | 1978-04-26 | 1981-05-06 | ||
| CN1041228A (en) * | 1989-08-09 | 1990-04-11 | 中华人民共和国商业部粮食储运局 | Automatic ventilation-controlling system for stored grain |
| CN2389140Y (en) * | 1999-09-24 | 2000-07-26 | 江苏省新沂国家粮食储备库 | Circular flow air distributor for grain depot |
| CN103605324A (en) * | 2013-05-30 | 2014-02-26 | 湖北叶威智能科技有限公司 | Grain condition monitoring system used for grain bin |
| CN105432262A (en) * | 2015-12-07 | 2016-03-30 | 湖北叶威(集团)智能科技有限公司 | Natural low-temperature barn and grain storage method thereof |
-
2017
- 2017-06-06 CN CN201710418960.3A patent/CN107246715B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5618910Y2 (en) * | 1978-04-26 | 1981-05-06 | ||
| CN1041228A (en) * | 1989-08-09 | 1990-04-11 | 中华人民共和国商业部粮食储运局 | Automatic ventilation-controlling system for stored grain |
| CN2389140Y (en) * | 1999-09-24 | 2000-07-26 | 江苏省新沂国家粮食储备库 | Circular flow air distributor for grain depot |
| CN103605324A (en) * | 2013-05-30 | 2014-02-26 | 湖北叶威智能科技有限公司 | Grain condition monitoring system used for grain bin |
| CN105432262A (en) * | 2015-12-07 | 2016-03-30 | 湖北叶威(集团)智能科技有限公司 | Natural low-temperature barn and grain storage method thereof |
Cited By (20)
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|---|---|---|---|---|
| CN108307813A (en) * | 2018-01-08 | 2018-07-24 | 中储粮成都粮食储藏科学研究所 | A kind of paddy Storing in quality guaranteed technique |
| CN108184450A (en) * | 2018-03-19 | 2018-06-22 | 河南工业大学 | Major diameter vertical silo aeration cooling system and method |
| CN108184450B (en) * | 2018-03-19 | 2024-04-09 | 河南工业大学 | Ventilating and cooling system and method for large-diameter vertical silo |
| CN108594914A (en) * | 2018-06-25 | 2018-09-28 | 镇江大全现代农业发展有限公司 | A kind of intelligence rice warehouse and working method |
| CN110823347A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Granary detection method and system based on bottom-side surface two-circle standard deviation polynomial model |
| CN109832018A (en) * | 2019-03-18 | 2019-06-04 | 南京财经大学 | A kind of silo and its application method preventing grain heap wall moisture condensation |
| CN110096085A (en) * | 2019-05-22 | 2019-08-06 | 福建瑞达精工股份有限公司 | The control method and terminal of intelligent silo |
| CN111512799A (en) * | 2020-04-20 | 2020-08-11 | 湖州市储备粮管理有限公司 | Granary with internal refrigeration and temperature control functions and temperature control method |
| CN111512799B (en) * | 2020-04-20 | 2023-10-24 | 湖州市储备粮管理有限公司 | Granary capable of controlling temperature by refrigerating in granary and temperature control method |
| CN111972139A (en) * | 2020-09-04 | 2020-11-24 | 中国储备粮管理集团有限公司新疆分公司 | Loop-flow control wet grain storage method |
| CN113303107A (en) * | 2021-05-24 | 2021-08-27 | 中国储备粮管理集团有限公司吉林分公司 | Circulating temperature-equalizing ventilation system in granary and control method |
| CN113303107B (en) * | 2021-05-24 | 2022-07-19 | 中国储备粮管理集团有限公司吉林分公司 | Circulating temperature-equalizing ventilation system in granary and control method |
| US11314213B1 (en) | 2021-06-15 | 2022-04-26 | Haber Technologies, Inc. | Autonomous crop drying, conditioning and storage management |
| CN113498681B (en) * | 2021-07-14 | 2022-08-09 | 深圳成武金石农业开发有限公司 | But control by temperature change formula agricultural product early warning warehouse with intelligent monitoring |
| CN113498681A (en) * | 2021-07-14 | 2021-10-15 | 深圳成武金石农业开发有限公司 | But control by temperature change formula agricultural product early warning warehouse with intelligent monitoring |
| CN114217650A (en) * | 2021-12-14 | 2022-03-22 | 成都锦沅广智科技有限公司 | Three-dimensional ventilation multiaspect temperature control system is piled to grain |
| CN114489194A (en) * | 2021-12-30 | 2022-05-13 | 宁夏法福来食品股份有限公司 | Grain condition measurement and control system for grain storage |
| CN114637348A (en) * | 2022-03-24 | 2022-06-17 | 广西盛世粮机械有限公司 | Industrial centralized refrigeration type low-temperature granary temperature control system |
| CN116500955A (en) * | 2023-06-27 | 2023-07-28 | 无锡康城七恒零碳建筑科技有限公司 | Zero-carbon type storage building internal environment control system and method |
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