CN107896650B - A kind of grain storage freezer and storing grain method - Google Patents
A kind of grain storage freezer and storing grain method Download PDFInfo
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- CN107896650B CN107896650B CN201711142857.7A CN201711142857A CN107896650B CN 107896650 B CN107896650 B CN 107896650B CN 201711142857 A CN201711142857 A CN 201711142857A CN 107896650 B CN107896650 B CN 107896650B
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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)
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- Storage Of Harvested Produce (AREA)
Abstract
The present invention relates to a kind of grain storage freezer and storing grain method, including grain storage warehouse, closed grain storage freezer is provided in the grain storage warehouse, storage has grain in the grain storage freezer, and the bottom of the grain storage freezer is at least provided with a set of wind pushing mechanism 6;At least provided with a set of air current circulation in the grain storage freezer, the air current circulation, which is used to the gas in grain storage freezer more than grain face being extracted into grain bottom, carries out internal cycle;The controller controls the operating of the air current circulation according to the temperature of the first temperature sensor received;Or the controller controls the operating of the air current circulation according to the temperature gap of the first temperature sensor and second temperature sensor.The storing grain method transporting cold wind in winter of the present invention, when summer in the coming year carry out in cycle, reduce grain face and the temperature difference inside grain heap, grain heap not will produce moisture condensation, the occurrence of going mouldy so as to avoid grain, grain, which is not easy ageing, can also keep good moisture, improve stored grain quality.
Description
Technical field
This application involves foodstuff preservation fields, and in particular to a kind of grain storage freezer and storing grain method.
Background technology
China is Chan Liang big countries, and it is great to carry out foodstuff preservation work meaning, relationship military supplies foodstuff for the people, also relationship national security and
Social stability.Grain security storage is a global problem, according to the investigation statistics of FAO (Food and Agriculture Organization of the United Nation), the annual grain in the whole world
Food goes mouldy and the losses such as insect pest are the 8% of grain yield.Foodstuff preservation work is carried out, three elements are depended on:First, to have good
A series of good warehouse and auxiliary facility, second is that have relatively advanced storage keeping technologies, third, to there is the pipe of a set of science
Reason method.
The storage technology of grain has following several in the related technology:
The first, low-temperature grain-storage technology carries out emergency processing or without low temperature in low temperature season tissue conveying grain into storehouse in summer
The grain depot in season cools down grain using refrigeration equipment;
The second, air-conditioning storing grain technology carries out gas control grain reservation using closed silo or with plastic film tent, passes through life
The breathing of object is depleted by oxygen, and accumulates correspondingly high carbon dioxide, reaches the grain storage environment of anoxic.Or artificial punching
Enter nitrogen or carbon dioxide, so that environmental gas is reached the nitrogen of high concentration, CO2 vacuum causes space oxygen content to be down to hypoxemia or exhausted
Oxygen.
Grain storage space gases mainly are evacuated to form negative pressure by third, vacuum grain storage technology, vacuum grain storage using vacuum equipment
State causes space oxygen content to be down to hypoxemia or anoxybiotic, to reach the technology for inhibiting entomophthora, keeping stored grain quality.
Relevant View of Grain Storage Technoiogy has the following problems:
The first, moisture loss is than more serious during foodstuff preservation, grain in storage if in storehouse air phase
To humidity less than the relative humidity corresponding to grain equilibrium water conten, grain will lose moisture;If carrying out force ventilation, moisture
Loss will be more serious.The loss of grain moisture content not only directly affects the economic benefit of enterprise, it is often more important that can influence grain storage
Edible quality and processing quality.
The second, high-moisture grain is continuously increased, and new challenge is brought to grain management, in the main drying side of southern rice
Formula is traditional drying, and labor intensity is big;With the relieving of grain market, grain purchases come into seller's market, at some
Place, peasant no longer shine grain, also no longer cleaned grain, and grain depot is caused to purchase part high-moisture grain.Especially in southern area,
Rice harvest season just stitch temperature it is higher when, new requirement is proposed to View of Grain Storage Technoiogy.
In third, existing low-temperature grain-storage technology, there are cold and hot interfaces between grain heap different parts, in summer existing grain
Air themperature in library close to ceiling can reach 40 degree to 50 degree, very big with the temperature difference inside grain heap, and grain heap moisture condensation is very tight
Weight, leads to going mouldy for grain large area, needs manually to carry out turning over grain, on the one hand progress air conditioner refrigerating of taking emergency measures increases
Management cost, another aspect force ventilation accelerate moisture loss during foodstuff preservation, influence the edible quality of grain storage and add
Work quality.It inevitably will appear the ageing of grain and problem of going mouldy in existing grain depot grain storage, this problem always exists
And annoying those skilled in the art.
Invention content
Applicant has started a kind of new low-temperature grain-storage technology, at least one by long-term effort and continuous experiment
Determine in degree to overcome the problems, such as present in the relevant technologies, a kind of grain storage freezer of the application offer and storing grain method.Effective solution
Not foot point existing for existing low-temperature grain-storage warehouse.
According to the embodiment of the present application in a first aspect, it includes grain storage warehouse to provide a kind of grain storage freezer, the grain storage warehouse
In be provided with closed grain storage freezer, storage has grain in the grain storage freezer, the bottom of the grain storage freezer at least provided with
A set of wind pushing mechanism;At least provided with a set of air current circulation in the grain storage freezer, the air current circulation is used for will
Gas in grain storage freezer more than grain face is extracted into grain bottom and carries out internal cycle;
The grain storage freezer includes freezer wall, freezer ceiling and grain guard board, the freezer wall of the grain storage cool house internal
It is equipped with the first insulating layer on face, the second insulating layer, the gear are equipped on the freezer ceiling face of the grain storage cool house internal
Grain plate, which attaches, to be arranged on first insulating layer;
It is additionally provided with the first temperature sensor, second temperature sensor and controller in the grain storage freezer;Described first
The above position of grain face, the air themperature for detecting grain face or more, second temperature is arranged in grain storage freezer in temperature sensor
It spends sensor to be arranged inside grain heap, for detecting the temperature inside grain heap;
First temperature sensor and the second temperature sensor are electrically connected with the input terminal of the controller respectively;
The controller controls the operating of the air current circulation according to the temperature of the first temperature sensor received;Or it is described
Controller controls the operating of the air current circulation according to the temperature gap of the first temperature sensor and second temperature sensor.
Further, the air current circulation includes circulating fan, air inlet pipe and an air outlet pipe;One end of the air inlet pipe
It extends in the air above grain face, another air flow inlet end for terminating at the circulating fan of the air inlet pipe;It is described go out
One end of tracheae is connected on the airflow outlet end of the circulating fan, and the other end of the escape pipe extends to grain bottom;It is described
Circulating fan is electrically connected with the controller;First shut-off valve is set in the air inlet pipe or on escape pipe, described first section
Only valve is electrically connected with the controller.
Further, the wind pushing mechanism includes pressure fan, draught distributing box and ventilated cage;The blower setting is in grain storehouse
In vitro;The draught distributing box and the ventilated cage are arranged in grain storage cool house internal;The pressure fan passes through pipeline and the draught distributing box
Connection, the ventilated cage are connected on the draught distributing box, and the ventilated cage is rows of to be arranged in grain storage freezer bottom;The air-supply
Machine is electrically connected with the controller;Setting air-supply shut-off valve, the air-supply shut-off valve are electrically connected with the controller on the pipeline
It connects.
Further, further include monitor supervision platform, the monitor supervision platform is communicated to connect with the controller in grain storage freezer;
Further, further include the first heat sink, first heat sink is laid on the ceiling appearance of grain storage warehouse
On face;First heat sink includes flow shut-off valve and the first watering pipeline;The flow shut-off valve and the controller
Electrical connection;The flow shut-off valve setting is provided with nozzle, institute on the first watering pipeline on the first watering pipeline
The first watering pipeline is stated with water tower to be connected.
Further, further include the second heat sink, second heat sink is laid on grain storage freezer in grain storage warehouse
Ceiling above, second heat sink includes the second watering pipeline, third temperature sensor and suction pump;The suction pump
For the water in cistern to be extracted into the second watering pipeline, the third temperature sensor is electrically connected with the controller, institute
Operating of the controller for controlling the suction pump is stated, nozzle has been uniformly arranged on the watering pipeline, when third temperature passes
When the temperature that sensor detects is more than the threshold value of setting, starts the pump work that draws water by controller and realize watering cooling.
Further, an air hole is at least offered on the grain storage freezer, the air hole is positioned close to freezer
On the freezer wall of ceiling, the controller can control opening or the closing of the air hole.
Further, further include strip heat insulating block in wedge-shaped shape, the strip heat insulating block setting the first insulating layer with
The junction on grain storage freezer ground.
The present invention uses above technical scheme, and closed grain storage freezer is provided in silo body, wherein storage has grain,
It is provided with wind pushing mechanism and air current circulation in grain storage freezer, grain face is detected by the first temperature sensor in grain storage freezer
Above air themperature detects the temperature inside grain heap by second sensor, and controller is according to the temperature detected come automatic
Start air current circulation, the air current circulation in the present invention is used to the gas in grain storage freezer more than grain face being extracted into grain
Bottom carries out internal cycle.Directly convey 0 degree of cold wind below into grain storage freezer by wind pushing mechanism in winter, it will
The grain refrigeration of storage is got up, due to being isolated with outside air provided with closed freezer, especially in summer, using the present invention
The low-temperature grain-storage freezer of offer can effectively prevent heat exchange, and using the first heat sink and the second heat sink to grain storage
The environment of freezer periphery cools down, and the grain of storage is allowed to be always held at 0 degree hereinafter, grain heap is closed is stored in freezer, no
With extraneous hot air, while controller starts interior cycle automatically according to the temperature detected, by grain face top higher temperatures
The air of degree takes out lower grain face lower part, and air-flow permeates up out grain face from grain face bottom, can be by grain storage using air current circulation
The cold air of freezer carries out internal cycle, reduces grain face and the temperature difference inside grain heap, and grain heap not will produce moisture condensation, so as to avoid
The occurrence of grain goes mouldy carries out low-temperature grain-storage, and grain, which is not easy ageing, can also keep good moisture, improve grain storage product
Matter.
According to the second aspect of the embodiment of the present application, a kind of storing grain method is provided, the storing grain method uses above-mentioned storage
Grain freezer carries out grain reservation, and specific storing grain method is as follows:
A, in winter, grain is put in storage in grain storage freezer, grain after drying or is not dried and contained
The relatively high grain of water can be put in storage;The grain of storage is piled up in rows of ventilated cage;Grain storage freezer is closed later
Door;
B, in winter, when outdoor temperature is when between subzero 5 degree to subzero 30, opening air-supply shut-off valve is beaten
It opens air hole, close the first shut-off valve, while the controller starts the pressure fan in wind pushing mechanism 6, by the naturally cold of outdoor
Wind is transported in grain storage freezer, natural cold wind by ventilated cage after the upward naturally osmotic to grain face in the bottom of grain heap, and from beating
Air hole exclusion is opened, the drop of nature at a slow speed is carried out to the grain being stored in grain storage freezer using winter sub-zero cold air
Temperature;
C, when the temperature of second temperature sensor detection is consistent with the outdoor nature temperature of cold wind, stop transporting cold wind;
It closes air-supply shut-off valve, close air hole, grain is made to be in a closed freezer;Or
When the temperature of second temperature sensor detection is consistent with the outdoor nature temperature of cold wind, followed by conveying 3 to 5 days
Cold wind after, stop transporting cold wind;Control closes air-supply shut-off valve, closes air hole, make grain be in one it is closed cold
In library;
D, when the summer in the coming year, when the temperature that the first temperature sensor detects is when between 0 degree to subzero 3 degree,
Or first the temperature value that detects than second temperature sensor of the temperature value that detects of temperature sensor between 3 to 5 degree
When;The controller control starts air current circulation, opens the first shut-off valve, and the controller control starts circulated air
Gas in grain storage freezer more than grain face is extracted into grain bottom and carries out internal cycle by machine, the air current circulation;Carry out
During interior cycle, when the temperature that the first temperature sensor detects is consistent with the temperature that second temperature sensor detects
When, stop interior cycle, the controller control stops circulating fan work, the first shut-off valve of closing;
E, at summer in the coming year, when the temperature of grain storage warehouse ceiling reaches 40 degree or more, start the first cooling dress
It sets to sprinkle water to the ceiling of grain storage warehouse and cool down;
F, at summer in the coming year, when third temperature sensor detects that temperature reaches 30 degree or more, start second
Heat sink, by the air cooling-down above grain storage freezer inside grain storehouse body;
G, the winter in the coming year when, when outdoor temperature is when between subzero 5 degree to subzero 30, opens air-supply and end
Valve opens air hole, closes the first shut-off valve, while the controller starts the pressure fan in wind pushing mechanism 6, by it is outdoor from
Right cold wind is again fed in grain storage freezer.
Further, one step of progress includes the following steps in the step C:
C1, when being stored to the grain after drying;
The quantity of the second temperature sensor is more than one, more than one second temperature sensor is embedded in grain heap
Portion, there are the air gap inside grain heap, the second temperature sensor can detect the air between grain gap inside grain heap
Temperature, at that time second temperature sensor detect that the air themperature between grain gap is consistent with the cold wind temperature that pressure fan conveys
Or difference two to three, when spending, out-of-blast machine, the controller control closes air-supply shut-off valve, closes air hole, makes grain
It is in a closed freezer;
C2, to do not carry out drying and the higher grain of water content store when;
The cooling of nature at a slow speed is carried out until will contain to the higher grain of water content using the natural cold wind of pressure fan conveying
The higher grain frost of water is got up;
The quantity of the second temperature sensor is more than one, more than one second temperature sensor is embedded in grain heap
Portion, there are the air gap inside grain heap, the second temperature sensor can detect the air between grain gap inside grain heap
Temperature, at that time second temperature sensor detect that the air themperature between grain gap is consistent with the cold wind temperature that pressure fan conveys
Or difference two to three, when spending, out-of-blast machine, the controller control closes air-supply shut-off valve, closes air hole, makes grain
It is in a closed freezer.
Relative to existing storing grain method, storing grain method provided by the invention has the advantage that:
1, the spring and autumn air-supply that existing most of grain storages use, dare not directly transport the cold wind in winter, and main cause is come
When summer in year, the raising of environment temperature is easy to cause moisture condensation, the problem of going mouldy, meanwhile, existing silo can not be kept away
That exempts from will appear grain ageing phenomenon;Storing grain method provided by the invention, will in cold winter using the grain storage freezer provided
Grain is put in storage, while the cold wind for directly transporting nature refrigerates grain, and grain, which is not easy ageing, can also keep good
Moisture improves stored grain quality.
2, the water content of grain storage is the main quality index of grain reserves safety, and grain moisture content height is steady to storing
Qualitative to have direct influence, grain moisture content is excessively high, can lead to grain storage fever, go mouldy, water content is too low and loses the color of itself
Pool and edible quality;Grain moisture content is excessively high, then grain respiration is vigorous, and Measurement for Grain Moisture Content is excessively high, can lead to the work of enzyme
Property enhancing, enzyme activity it is stronger, the more vigorous respirations of respiration of grain as a result, the nutritional ingredient of grain is not cut off the water supply
Solution is that the glucose in grain is decomposed, followed by the degradation of fat, protein is tested acid cycle into people three and is consumed first,
Respiration is more vigorous, and material consumption is more.Existing grain storage needs to store after drying grain, in order to prevent the later stage
Go mouldy, grain can be excessively dried, there is the too low situation of water content, cause influence grain edible quality;
Grain storage freezer and storing grain method provided by the invention can carry out grain storage refrigeration to the grain that do not dry, and pass through
Interior cycle is most important to want effectively keep grain come the problem of controlling the circulating cold air of entire freezer, avoid the occurrence of moisture condensation
The content of moisture in food has great benefit to lift grain edible quality.
3, after carrying out that cold wind is sent to refrigerate to grain, the maximum innovative point of the present invention exists grain storage freezer of the invention
In grain itself is become a low-temperature receiver, grain itself is preserved using the low-temperature receiver of itself, like a huge freezing
Source, as long as ensureing the temperature of freezer at 0 degree hereinafter, so, grain heap is it is difficult to carry out heat exchange with extraneous, grain will in freezer
It is permanent to be in frozen state, it is greatly improved the storage quality of grain.
4, grain autumn harvest, after northern autumn, cold air with regard to following, present way be in autumn or
Person dries grain in winter, since extraneous environment temperature is low, drying tower need to consume a large amount of energy come to grain into
Row drying, drying tower also causes pollution during production to environment, using grain storage freezer provided by the invention and grain storage
Method, such as maize, after maize harvests, to maize natural air drying for a period of time after, it is cold that maize is put in storage this grain storage in winter
Library can save the step of being carried out using drying tower in traditional method, be greatly saved the energy and very environmentally friendly.
5, the grain of corresponding high level storage can dry in the air the grain outbound progress sun in the spring or summer in the coming year
It shines, naturally dry.The energy is greatly saved, while environment protecting is very good.
6, the grain stored in the present invention does not have to 14.5 moisture content for reaching standard, maximum using one of this grain storage freezer
Advantage is can to control the water content of grain;The water content of grain is measured before storage, the content of moisture is controlled before storage
System, the water content kept before storage that grain can be permanent after being put in storage think much moisture content storages with regard to much moisture content storage, this is existing
What grain depot and existing storing grain method were unable to reach, and using grain storage freezer and storing grain method provided by the present application then can be easily
Realization.
5, the water content of grain can be effectively controlled using grain storage freezer provided by the present application and storing grain method;Such as
Fresh maize cob can be had when spring in the coming year, is refrigerated if it is to rice, relative to being stored after existing drying
Rice, using the application store rice, shelling when, due to containing higher water content, threshing is complete, it is not easy to
It is broken, it is glittering and translucent, consumer can be allowed to be able to eat fresh rice;For another example, it is made wine using corn, since this storage method can
The higher corn of water content is provided, energy consumption is just greatly saved during brewery makes wine and processes, simplifies processing technology.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The application can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Fig. 1 is the structural schematic diagram of existing silo;
Fig. 2 is one of grain storage refrigeration storage system structural schematic diagram of the present invention;
Fig. 3 is grain storage freezer structural schematic diagram of the present invention;
Fig. 4 is grain storage refrigeration storage system second structural representation of the present invention;
Fig. 5 is the heat sink schematic diagram of grain storage freezer of the present invention;
Fig. 6 is the air-supply structure schematic diagram of grain storage freezer of the present invention;
Fig. 7 is grain storage freezer inner circulation structure schematic diagram of the present invention;
Fig. 8 is the grain storage freezer structural schematic diagram that the present invention carries strip heat insulating block.
In figure:1, supply air system;2, grain face;3, transom;4, grain storage warehouse;5, grain storage freezer;6, wind pushing mechanism;7, gas
Flow circulator;8, freezer wall;9, freezer ceiling;10, grain guard board;11, the first insulating layer;12, the second insulating layer;13,
One temperature sensor;14, second temperature sensor;15, controller;16, circulating fan;17, air inlet pipe;18, escape pipe;19、
First shut-off valve;20, pressure fan;21, draught distributing box;22, ventilated cage;23, air-supply shut-off valve;24, monitor supervision platform;25, the first drop
Warm device;26, the first watering pipeline;27, flow shut-off valve;28, nozzle;29, the second heat sink;30, the second watering pipeline;
31, third temperature sensor;32, suction pump;33, air hole;34, strip heat insulating block.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of consistent device of some aspects be described in detail in claims, the application.
Fig. 1 is the structural schematic diagram of existing grain storehouse, and present way is directly to pass through in silo tissue storage to silo
Supply air system 1 is blown to grain heap, and transom 3, summer grain face 2 and warehouse ceiling are offered on the silo above grain face 2
Between temperature can reach 40-50 degree, grain store during because circulation ventilation level is poor, be easy moisture condensation, cause in silo
Grain cannot be permanent preservation, be susceptible to grain ageing and the problem of go mouldy.
As shown in Figures 2 and 3, the embodiment of the present application in a first aspect, it includes grain storage warehouse 4 to provide a kind of grain storage freezer,
Closed grain storage freezer 5 is provided in the grain storage warehouse 4, storage has grain, the grain storage freezer 5 in the grain storage freezer 5
Bottom at least provided with 20 structure 6 of a pressure fan;It is described at least provided with a set of air current circulation 7 in the grain storage freezer 5
Air current circulation 7, which is used to the gas in grain storage freezer 5 more than grain face being extracted into grain bottom, carries out internal cycle;
The grain storage freezer 5 includes freezer wall 8, freezer ceiling 9 and grain guard board 10, cold inside the grain storage freezer 5
It is equipped with the first insulating layer 11 on 8 face of library wall, the second guarantor is equipped on 9 face of freezer ceiling inside the grain storage freezer 5
Warm layer 12, the grain guard board 10, which attaches, to be arranged on first insulating layer 11;
The first temperature sensor 13, second temperature sensor 14 and controller 15 are additionally provided in the grain storage freezer 5;Institute
It states the first temperature sensor 13 and the above position of grain face, the air themperature for detecting grain face or more, institute is set in grain storage freezer 5
It states second temperature sensor 14 to be arranged inside grain heap, for detecting the temperature inside grain heap;
First temperature sensor 13 and the second temperature sensor 14 input terminal with the controller 15 respectively
Electrical connection;The controller 15 controls the air current circulation 7 according to the temperature of the first temperature sensor 13 received
Operating;Or described in temperature gap control of the controller 15 according to the first temperature sensor 13 and second temperature sensor 14
The operating of air current circulation 7.
Air current circulation 7 is started according to the temperature value detected in the present invention, by the sky of grain face top higher temperature
Gas takes out lower grain face lower part, and air-flow permeates up out grain face from grain face bottom, and automation control can be realized using air current circulation 7
System facilitates carries out internal cycle by the cold air of grain storage freezer 5, reduces grain face and the temperature difference inside grain heap, grain heap not will produce knot
Dew, the occurrence of going mouldy so as to avoid grain.
As shown in figure 3, as a preferred embodiment, airflow circulating described in grain storage freezer provided by the invention fills
It includes circulating fan 16, air inlet pipe 17 and escape pipe 18 to set 7;One end of the air inlet pipe 17 extends to the air above grain face
In, another air flow inlet end for terminating at the circulating fan 16 of the air inlet pipe 17;One end of the escape pipe 18 is connected on
The other end of the airflow outlet end of the circulating fan 16, the escape pipe 18 extends to grain bottom;The circulating fan 16
It is electrically connected with the controller 15;First shut-off valve 19 is set in the air inlet pipe 17 or on escape pipe 18, described first section
Only valve 19 is electrically connected with the controller 15.
As shown in figure 3, as a preferred embodiment, wind pushing mechanism 6 described in grain storage freezer 5 provided by the invention
Including pressure fan 20, draught distributing box 21 and ventilated cage 22;The pressure fan 20 is arranged outside grain storage warehouse 4;21 He of the draught distributing box
The ventilated cage 22 is arranged inside grain storage freezer 5;The pressure fan 20 is connected to by pipeline with the draught distributing box 21, described logical
Wind cage 22 is connected on the draught distributing box 21, and the ventilated cage 22 is rows of to be arranged in 5 bottom of grain storage freezer;The pressure fan
20 are electrically connected with the controller 15;Setting air-supply shut-off valve 23, the air-supply shut-off valve 23 and the control on the pipeline
Device 15 is electrically connected.
As shown in figure 4, further including monitor supervision platform 24, the monitor supervision platform 24 and the control in grain storage freezer 5 in the present invention
Device 15 communicates to connect;By the operation of 24 monitoring system of monitor supervision platform in the present invention, more than one grain storage freezer 5 respectively with institute
State the communication connection of monitor supervision platform 24;Controller 15 in each grain storage freezer 5 starts respectively according to the temperature value detected
Air current circulation 7 realizes cycle.
As shown in figure 5, as a preferred embodiment, further including the first drop in grain storage freezer 5 provided by the invention
Warm device 25, first heat sink 25 are laid on the ceiling outer surface of grain storage warehouse 4;First heat sink 25 wraps
Include the watering pipeline 26 of flow shut-off valve 27 and first;The flow shut-off valve 27 is electrically connected with the controller 15;The flow
The setting of shut-off valve 27 is provided with nozzle 28 on the first watering pipeline 26 on the first watering pipeline 26, and described first
Watering pipeline 26 is connected with water tower.First heat sink 25 is mainly to be dissipated to 4 ceiling of grain storage warehouse in hot summer
Heat drop temperature further protects the cold air in freezer to be in subzero.
As a preferred embodiment, further including the second heat sink 29, institute in grain storage freezer 5 provided by the invention
It states the second heat sink 29 to be laid in grain storage warehouse 4 above the ceiling of grain storage freezer 5, second heat sink 29 includes second
Watering pipeline 30, third temperature sensor 31 and suction pump 32;The suction pump 32 is used to the water in cistern being extracted into second
It sprinkles water in pipeline 30, the third temperature sensor 31 is electrically connected with the controller 15, and the controller 15 is for controlling institute
The operating of suction pump 32 is stated, nozzle 28 has been uniformly arranged on the watering pipeline, has been detected when third temperature sensor 31
When temperature is more than the threshold value of setting, the work of suction pump 32 is started by controller 15 and realizes watering cooling.
In hot summer, temperature can reach 40 degree to 50 degree above the ceiling of grain storage freezer 5 in grain storage warehouse 4, utilize
Second heat sink 29 cools down to air herein, further the cold air in freezer is protected to be in subzero.
Certainly, according to operation the case where from the point of view of, in the cold wind that Northeast Cold Area, winter last year pour into, temperature can
To be always held at subzero, until the winter in the coming year, but it is originally freezer to be promoted for the whole country, such as in motherland
A spare refrigeration fan (not shown) can be arranged in portion or southern area again, will pass through system using refrigeration fan
Cold air delivery is at draught distributing box 21.Or as a kind of emergent means, when the second temperature in grain heap in grain storage freezer 5
Temperature that sensor 14 detects is spent when 0 degree to subzero 3 degree, so that it may with the cold wind that pours into of the spare refrigeration fan of use,
It is specific that the air delivery of refrigeration will be passed through at draught distributing box 21 using refrigeration fan.
Certainly, southern humidity is high, and dehumidification equipment may be used and dehumidify to the air of freezer, can be by dehumidification equipment
Merge use with refrigeration fan, dehumidification equipment can be also mounted in air current circulation 7, this is mainly applicable to south, north
Fang Jiben takes less than.
It should be added that an air hole 33 is at least offered in grain storage freezer described in the present embodiment 5, it is described
Air hole 33 is positioned close on the freezer wall 8 of freezer ceiling 9, and the controller 15 can control beating for the air hole 33
On or off is closed.
The operation principle of the application is further explained below:
As shown in fig. 6, conveying cold air in winter to grain storage freezer 5, operating method:The control of controller 15 closes first section
Only valve 19;Air-supply shut-off valve 23 and air hole 33 are opened in the control of controller 15, and the control of controller 15 starts pressure fan 20 will be outdoor
The cold air of winter dryness is delivered in grain storage freezer 5, and grain storage is cooled down using cold air convection.It should be noted that specific
Being reduced to the subzero several years is determined according to outdoor temperature at that time, if for example, outdoor temperature is minus 20 degrees, passes through convection current
The temperature of grain storage can be reduced to minus 20 degrees, the temperature outside the winter room of northeast easily reaches minus 20 degrees.
It (is not necessarily to drop to minus 20 degrees, send when the grain that grain storage freezer 5 is stored is also reduced to minus 20 degrees or so
Select suitable temperature according to actual conditions when wind, for example, subzero 10 degree to subzero 30 degree can), it is out-of-blast
Machine 20, the control of controller 15 close air-supply shut-off valve 23 and air hole 33, grain storage freezer 5 are made to form a closed freezer.
As shown in fig. 7, when spring in the coming year or summer, for example, when the temperature of grain face is at 0 degree to subzero 3 degree, it is certain this
A range can be set, and could be provided as 0 degree to subzero 5 degree either in the temperature and grain heap of other ranges or grain face
The temperature difference in portion can send out instruction in monitor supervision platform 24 and start airflow circulating dress by the control of controller 15 at 5 degree or so
Set 7.
It specifically operates and is:Air-supply shut-off valve 23 and air hole 33 are closed in the control of controller 15, open the first shut-off valve 19,
Start circulating fan 16, the air of higher temperature more than grain face in grain storage freezer 5 is transported to grain face by circulating fan 16
Bottom, by the upward naturally osmotic in grain face bottom, to by the cold air inside the air of grain face temperature higher above and grain heap into
Row neutralizes, and reduces the temperature difference by interior cycle, avoids condensation trouble.
In fact, from the point of view of according to the operational circumstances of reality, do not opened as long as the temperature of grain face is maintained at subzero
Dynamic air current circulation 7.But in order to insure when the temperature in grain storage freezer 5 in grain face is higher than subzero spend, so that it may to drive gas
Circulator 7 is flowed, the gas in grain storage freezer 5 more than grain face, which is extracted into grain bottom, carries out internal cycle.Using airflow circulating
The cold air of grain storage freezer 5 can be carried out internal cycle by device 7, reduce grain face and the temperature difference inside grain heap, grain heap will not produce
Raw moisture condensation, the occurrence of going mouldy so as to avoid grain.
The present invention is provided with closed grain storage freezer 5 in silo body, wherein storage has grain, is arranged in grain storage freezer 5
There are wind pushing mechanism 6 and air current circulation 7, detects the sky of grain face or more by the first temperature sensor 13 in grain storage freezer 5
Temperature degree detects the temperature inside grain heap by second sensor, and controller 15 starts gas automatically according to the temperature detected
Circulator 7 is flowed, the air current circulation 7 in the present invention is used to the gas in grain storage freezer 5 more than grain face being extracted into grain bottom
Portion carries out internal cycle.Directly convey 0 degree of cold wind below into grain storage freezer 5 by wind pushing mechanism 6 in winter, it will
The grain refrigeration of storage is got up, due to being isolated with outside air provided with closed freezer, especially in summer, using the present invention
The low-temperature grain-storage freezer 5 of offer can effectively prevent heat exchange, and utilize the first heat sink 25 and the second heat sink 29
Cool down to the environment of 5 periphery of grain storage freezer, allow the grain of storage be always held at 0 degree hereinafter, grain heap it is closed be stored in it is cold
In library, not with extraneous hot air, while controller 15 starts interior cycle automatically according to the temperature detected, will be in grain face
The air of portion's higher temperature takes out lower grain face lower part, and air-flow permeates up out grain face from grain face bottom, using 7 energy of air current circulation
Enough cold airs by grain storage freezer 5 carry out internal cycle, reduce grain face and the temperature difference inside grain heap, and grain heap not will produce moisture condensation,
The occurrence of going mouldy so as to avoid grain carries out low-temperature grain-storage, and grain, which is not easy ageing, can also keep good moisture, carry
High stored grain quality.
As shown in figure 8, as a preferred embodiment, further including being in low-temperature grain-storage freezer 5 provided by the invention
The handing-over in the first insulating layer 11 and 5 ground of grain storage freezer is arranged in the strip heat insulating block 34 of wedge-shaped shape, the strip heat insulating block 34
Place.Close to bottom 5 wall of grain storage freezer on due to directly with greatly contact, the grain storage warehouse 4 especially on the outside of summer by
Temperature is shined upon to get higher, it is all more to carry out insulation in the first insulating layer 11 and the junction on 5 ground of grain storage freezer
Processing, can be carried out effectively heat-insulated using strip heat insulating block 34 provided by the invention.
According to the second aspect of the embodiment of the present application, a kind of storing grain method is provided, the storing grain method uses above-mentioned storage
Grain freezer 5 carries out grain reservation, and specific storing grain method is as follows:
A, in winter, grain is put in storage in grain storage freezer, grain after drying or is not dried and contained
The relatively high grain of water can be put in storage;The grain of storage is piled up in rows of ventilated cage 22;It is cold that grain storage is closed later
The door in library 5;
B, in winter, when outdoor temperature is when between subzero 5 degree to subzero 30, open shut-off valve 23 of blowing,
It opens air hole 33, close the first shut-off valve 19, while the controller 15 starts the pressure fan 20 in wind pushing mechanism 6, by room
Outer natural cold wind is transported in grain storage freezer 5, natural cold wind by ventilated cage 22 from the upward naturally osmotic in the bottom of grain heap to
After grain face, and from open air hole 33 exclude, using winter sub-zero cold air to be stored at the grain in grain storage freezer 5 into
The cooling of row naturally at a slow speed;
C, when the temperature that second temperature sensor 14 detects is consistent with the outdoor nature temperature of cold wind, it is cold to stop conveying
Wind;It closes air-supply shut-off valve 23, close air hole 33, grain is made to be in a closed freezer;Or
When the temperature that second temperature sensor 14 detects is consistent with the outdoor nature temperature of cold wind, followed by conveying 3 to 5
After it cold wind, stop transporting cold wind;Control close air-supply shut-off valve 23, close air hole 33, make grain be in one it is close
In the freezer closed;
C1, when being stored to the grain after drying;
The quantity of the second temperature sensor 14 is more than one, more than one second temperature sensor 14 is embedded in grain
Inside heap, there are the air gap inside grain heap, the second temperature sensor 14 can detect inside grain heap between grain gap
Air themperature, at that time second temperature sensor 14 it is cold to detect that the air themperature between grain gap is conveyed with pressure fan 20
When air temperature is consistent or difference two to three is spent, out-of-blast machine 20, the control of the controller 15 is closed air-supply shut-off valve 23, is closed
Air hole 33 is closed, grain is made to be in a closed freezer;
C2, to do not carry out drying and the higher grain of water content store when;
The natural cold wind conveyed using pressure fan 20 carries out the cooling of nature at a slow speed until will to the higher grain of water content
The higher grain frost of water content is got up;
The quantity of the second temperature sensor 14 is more than one, more than one second temperature sensor 14 is embedded in grain
Inside heap, there are the air gap inside grain heap, the second temperature sensor 14 can detect inside grain heap between grain gap
Air themperature, at that time second temperature sensor 14 it is cold to detect that the air themperature between grain gap is conveyed with pressure fan 20
When air temperature is consistent or difference two to three is spent, out-of-blast machine 20, the control of the controller 15 is closed air-supply shut-off valve 23, is closed
Air hole 33 is closed, grain is made to be in a closed freezer.
D, when the summer in the coming year, when the temperature that the first temperature sensor 13 detects between 0 degree to subzero 3 degree when
The temperature value that time or the first temperature sensor 13 detect is spent than the temperature value that second temperature sensor 14 detects 3 to 5
Between when;The control of the controller 15 starts air current circulation 7, opens the first shut-off valve 19, and the controller 15 is controlled
System starts circulating fan 16, and the gas in grain storage freezer 5 more than grain face is extracted into grain bottom and carried out by the air current circulation 7
Inside cycle;During cycle in progress, when the temperature and second temperature sensor that the first temperature sensor 13 detects
When 14 temperature that detect are consistent, stop in cycle, the control of the controller 15 stops circulating fan 16 and works, and closes first section
Only valve 19;
E, at summer in the coming year, when the temperature of 4 ceiling of grain storage warehouse reaches 40 degree or more, start the first cooling dress
Set the ceiling watering cooling of 25 pairs of grain storage warehouses 4;
F, at summer in the coming year, when third temperature sensor 31 detects that temperature reaches 30 degree or more, start the
Two heat sinks 29, by the air cooling-down of 4 inside grain storage freezer of grain storage warehouse, 5 top;
G, the winter in the coming year when, when outdoor temperature is when between subzero 5 degree to subzero 30, open shut-off valve of blowing
23, it opens air hole 33, close the first shut-off valve 19, while the controller 15 starts the pressure fan 20 in wind pushing mechanism 6, it will
Outdoor natural cold wind is again fed in grain storage freezer 5.
It should be added that when needing grain export, the first shut-off valve is closed;It opens air hole and send
Wind shut-off valve starts pressure fan, conveys the air-flow of above-zero temperatures, using the air-flow more than zero degree of input by grain storage freezer
Middle steam is taken away, and the time of air-supply is generally at 5-8 days or so.
Relative to existing storing grain method, storing grain method provided by the invention has the advantage that:
1, the spring and autumn air-supply that existing most of grain storages use, dare not directly transport the cold wind in winter, and main cause is come
When summer in year, the raising of environment temperature is easy to cause moisture condensation, the problem of going mouldy, meanwhile, existing silo can not be kept away
That exempts from will appear grain ageing phenomenon;Storing grain method provided by the invention, will in cold winter using the grain storage freezer 5 provided
Grain is put in storage, while the cold wind for directly transporting nature refrigerates grain, and grain, which is not easy ageing, can also keep good
Moisture improves stored grain quality.
2, the water content of grain storage is the main quality index of grain reserves safety, and grain moisture content height is steady to storing
Qualitative to have direct influence, grain moisture content is excessively high, can lead to grain storage fever, go mouldy, water content is too low and loses the color of itself
Pool and edible quality;Grain moisture content is excessively high, then grain respiration is vigorous, and Measurement for Grain Moisture Content is excessively high, can lead to the work of enzyme
Property enhancing, enzyme activity it is stronger, the more vigorous respirations of respiration of grain as a result, the nutritional ingredient of grain is not cut off the water supply
Solution is that the glucose in grain is decomposed, followed by the degradation of fat, protein is tested acid cycle into people three and is consumed first,
Respiration is more vigorous, and material consumption is more.Existing grain storage needs to store after drying grain, in order to prevent the later stage
Go mouldy, grain can be excessively dried, there is the too low situation of water content, cause influence grain edible quality;
Grain storage freezer 5 and storing grain method provided by the invention can carry out grain storage refrigeration to the grain that do not dry, and pass through
Interior cycle is most important to want effectively keep grain come the problem of controlling the circulating cold air of entire freezer, avoid the occurrence of moisture condensation
The content of moisture in food has great benefit to lift grain edible quality.
3, after carrying out that cold wind is sent to refrigerate to grain, the maximum innovative point of the present invention exists grain storage freezer 5 of the invention
In grain itself is become a low-temperature receiver, grain itself is preserved using the low-temperature receiver of itself, like a huge freezing
Source, as long as ensureing the temperature of freezer at 0 degree hereinafter, so, grain heap is it is difficult to carry out heat exchange with extraneous, grain will in freezer
It is permanent to be in frozen state, it is greatly improved the storage quality of grain.
4, grain autumn harvest, after northern autumn, cold air with regard to following, present way be in autumn or
Winter dries grain, and since extraneous environment temperature is low, drying tower needs that a large amount of energy is consumed to carry out grain
Drying, drying tower also causes pollution during production to environment, using grain storage freezer 5 provided by the invention and grain storage side
Method, such as maize, after maize harvests, to maize natural air drying for a period of time after, maize is put in storage this grain storage freezer in winter
5, the step of being carried out using drying tower in traditional method can be saved, the energy and very environmentally friendly is greatly saved.
5, in addition second year spring, summer can be dried with the sun.Naturally dry.Energy environment protection is saved, environment protecting is very
It is good.For example rice does not go out crystallized to the grain of slow curing, and grain matter is good.
6, the grain of corresponding high level storage can dry in the air the grain outbound progress sun in the spring or summer in the coming year
It shines, naturally dry.The energy is greatly saved, while environment protecting is very good.
7, the grain stored in the present invention does not have to 14.5 moisture content for reaching standard, using a maximum of this grain storage freezer 5
Advantage be that can control the water content of grain;The water content of grain is measured before storage, the content of moisture is advanced in storage
Row control, the water content kept before storage that grain can be permanent after being put in storage think much moisture content storages with regard to much moisture content storage, this is
What existing grain depot and existing storing grain method were unable to reach, and use grain storage freezer 5 and storing grain method provided by the present application then
It can easily realize.
8, the water content of grain can be effectively controlled using grain storage freezer 5 provided by the present application and storing grain method;Such as
Fresh maize cob can be had when spring in the coming year, is refrigerated if it is to rice, relative to being stored up after existing drying
The rice of Tibetan, the rice stored using the application, when shelling, due to containing higher water content, threshing is complete, does not allow
It is broken, it is glittering and translucent, consumer can be allowed to be able to eat fresh rice;For another example, it is made wine using corn, due to this storage method energy
The higher corn of water content is enough provided, energy consumption is just greatly saved during brewery makes wine and processes, simplifies processing work
Skill.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The application can be limited.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (5)
1. a kind of grain storage freezer, it is characterised in that:It is cold it to be provided with closed grain storage including grain storage warehouse, in the grain storage warehouse
Library, storage has grain in the grain storage freezer, and the bottom of the grain storage freezer is at least provided with a set of wind pushing mechanism;The grain storage
It is used for the gas in grain storage freezer more than grain face at least provided with a set of air current circulation, the air current circulation in freezer
Body is extracted into grain bottom and carries out internal cycle;
The grain storage freezer includes freezer wall, freezer ceiling and grain guard board, on the freezer wall face of the grain storage cool house internal
It is equipped with the first insulating layer, the second insulating layer, the grain guard board are equipped on the freezer ceiling face of the grain storage cool house internal
It attaches and is arranged on first insulating layer;
It is additionally provided with the first temperature sensor, second temperature sensor and controller in the grain storage freezer;First temperature
The above position of grain face, the air themperature for detecting grain face or more is arranged in grain storage freezer in sensor, and the second temperature passes
Sensor is arranged inside grain heap, for detecting the temperature inside grain heap;
First temperature sensor and the second temperature sensor are electrically connected with the input terminal of the controller respectively;It is described
Controller controls the operating of the air current circulation according to the temperature of the first temperature sensor received;Or
The controller controls the airflow circulating according to the first temperature sensor and the temperature gap of second temperature sensor and fills
The operating set;The air current circulation includes circulating fan, air inlet pipe and an air outlet pipe;One end of the air inlet pipe extends to grain
In air above face, another air flow inlet end for terminating at the circulating fan of the air inlet pipe;The one of the escape pipe
The airflow outlet end of the circulating fan is terminated at, the other end of the escape pipe extends to grain bottom;The circulating fan
It is electrically connected with the controller;First shut-off valve, first shut-off valve and institute are set in the air inlet pipe or on escape pipe
Controller electrical connection is stated, the wind pushing mechanism includes pressure fan, draught distributing box and ventilated cage;The blower setting is in grain storage warehouse
Outside;The draught distributing box and the ventilated cage are arranged in grain storage cool house internal;The pressure fan is connected by pipeline and the draught distributing box
Logical, the ventilated cage is connected on the draught distributing box, and the ventilated cage is rows of to be arranged in grain storage freezer bottom;The pressure fan
It is electrically connected with the controller;Setting air-supply shut-off valve, the air-supply shut-off valve are electrically connected with the controller on the pipeline;
Further include monitor supervision platform, the monitor supervision platform is communicated to connect with the controller in grain storage freezer;Further include the first heat sink, institute
The first heat sink is stated to be laid on the ceiling outer surface of grain storage warehouse;First heat sink includes flow shut-off valve and
One watering pipeline;The flow shut-off valve is electrically connected with the controller;The flow shut-off valve setting is in first watering
On pipeline, nozzle is provided on the first watering pipeline, the first watering pipeline is connected with water tower, further includes the second drop
Warm device, second heat sink are laid on above the ceiling of grain storage freezer in grain storage warehouse, the second heat sink packet
Include the second watering pipeline, third temperature sensor and suction pump;The suction pump is spilt for the water in cistern to be extracted into second
In waterpipe, the third temperature sensor is electrically connected with the controller, and the controller is for controlling the suction pump
It operates, nozzle has been uniformly arranged on the watering pipeline, when the temperature that third temperature sensor detects is more than the threshold of setting
When value, starts the pump work that draws water by controller and realize watering cooling.
2. grain storage freezer according to claim 1, it is characterised in that:One is at least offered on the grain storage freezer to breathe freely
Hole, the air hole are positioned close on the freezer wall of freezer ceiling, and the controller can control beating for the air hole
On or off is closed.
3. grain storage freezer according to claim 1, it is characterised in that:Further include the strip heat insulating block in wedge-shaped shape, it is described
Strip heat insulating block is arranged in the junction of the first insulating layer and grain storage freezer ground.
4. a kind of storing grain method, it is characterised in that:The storing grain method is cold using claims 1 to 3 any one of them grain storage
Library, specific storing grain method are as follows:
A, in winter, grain is put in storage in grain storage freezer, grain after drying or does not carry out drying and water content
Relatively high grain can be put in storage;The grain of storage is piled up in rows of ventilated cage;The storehouse of grain storage freezer is closed later
Door;
B, in winter, when outdoor temperature is when between subzero 5 degree to subzero 30, opening air-supply shut-off valve is opened thoroughly
Stomata closes the first shut-off valve, while the controller starts the pressure fan in wind pushing mechanism, and outdoor natural cold wind is conveyed
Into grain storage freezer, natural cold wind is breathed freely by ventilated cage after the upward naturally osmotic to grain face in the bottom of grain heap, and from opening
Hole excludes, and the cooling of nature at a slow speed is carried out to the grain being stored in grain storage freezer using winter sub-zero cold air;
C, when the temperature of second temperature sensor detection is consistent with the outdoor nature temperature of cold wind, stop transporting cold wind;It closes
Air-supply shut-off valve closes air hole, and grain is made to be in a closed freezer;Or
When the temperature of second temperature sensor detection is consistent with the outdoor natural temperature of cold wind, followed by conveying 3 to 5 days cold
After wind, stop transporting cold wind;Control closes air-supply shut-off valve, closes air hole, and grain is made to be in a closed freezer;
D, when the summer in the coming year, when the temperature that the first temperature sensor detects is when between 0 degree to subzero 3 degree, or
When the temperature value that the temperature value that first temperature sensor detects is detected than second temperature sensor is between 3 to 5 degree;
The controller control starts air current circulation, opens the first shut-off valve, the controller control starts circulating fan, described
Gas in grain storage freezer more than grain face is extracted into grain bottom and carries out internal cycle by air current circulation;It is recycled in progress
In the process, when the temperature that the first temperature sensor detects is consistent with the temperature that second temperature sensor detects, in stopping
Cycle, the controller control stop circulating fan work, close the first shut-off valve;
E, at summer in the coming year, when the temperature of grain storage warehouse ceiling reaches 40 degree or more, start the first heat sink pair
The ceiling watering cooling of grain storage warehouse;
F, at summer in the coming year, when third temperature sensor detects that temperature reaches 30 degree or more, start the second cooling
Device, by the air cooling-down above grain storage freezer inside grain storehouse body;
G, the winter in the coming year when, when outdoor temperature is when between subzero 5 degree to subzero 30, opens shut-off valve of blowing, beat
It opens air hole, close the first shut-off valve, while the controller starts the pressure fan in wind pushing mechanism, by outdoor natural cold wind
It is again fed in grain storage freezer.
5. storing grain method according to claim 4, it is characterised in that:One step of progress includes following step in the step C
Suddenly:
C1, when being stored to the grain after drying;
The quantity of the second temperature sensor is more than one, more than one second temperature sensor is embedded in inside grain heap,
There are the air gap inside grain heap, the second temperature sensor can detect the Air Temperature between grain gap inside grain heap
Degree, at that time second temperature sensor detect the air themperature between grain gap it is consistent with the cold wind temperature that pressure fan conveys or
When person's difference two to three is spent, out-of-blast machine, the controller control closes air-supply shut-off valve, closes air hole, makes at grain
In a closed freezer;
C2, to do not carry out drying and the higher grain of water content store when;
The cooling of nature at a slow speed is carried out until by water content to the higher grain of water content using the natural cold wind of pressure fan conveying
Higher grain frost is got up;
The quantity of the second temperature sensor is more than one, more than one second temperature sensor is embedded in inside grain heap,
There are the air gap inside grain heap, the second temperature sensor can detect the Air Temperature between grain gap inside grain heap
Degree, at that time second temperature sensor detect the air themperature between grain gap it is consistent with the cold wind temperature that pressure fan conveys or
When person's difference two to three is spent, out-of-blast machine, the controller control closes air-supply shut-off valve, closes air hole, makes at grain
In a closed freezer.
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CN109269197B (en) * | 2018-09-26 | 2020-09-01 | 北京农学院 | Freezer that inside air circulation flows |
CN109077113A (en) * | 2018-09-30 | 2018-12-25 | 成都科宏机电有限公司 | A kind of grain depot grain storage anti-condensation device |
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CN110498145A (en) * | 2019-07-16 | 2019-11-26 | 江苏华升面粉有限公司 | A kind of raw material storage silo suitable for flour mill |
CN110671868A (en) * | 2019-10-26 | 2020-01-10 | 中央储备粮镇江直属库有限公司 | Intelligent temperature control grain storage system |
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 |
CN111512800A (en) * | 2020-04-24 | 2020-08-11 | 湖州市储备粮管理有限公司 | Double-refrigeration temperature control 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 |
CN114253321A (en) * | 2021-11-09 | 2022-03-29 | 青岛海尔空调器有限总公司 | Crop storage method and device, electronic equipment and storage medium |
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 |
CN114651611B (en) * | 2022-04-15 | 2023-09-15 | 河南工大设计研究院 | Low-temperature grain storage double-layer wall square silo and silo inlet and outlet method |
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CN204326660U (en) * | 2014-12-16 | 2015-05-13 | 云南磊城建筑工程有限公司 | A kind of large granary |
CN105432262B (en) * | 2015-12-07 | 2017-04-12 | 湖北叶威(集团)智能科技有限公司 | Natural low-temperature barn and grain storage method thereof |
CN106068964A (en) * | 2016-07-29 | 2016-11-09 | 史钢强 | Novel grain storage four-in-one technology and bidirectional ventilated, circulation, air-conditioning, ozone grain storage system |
CN206525182U (en) * | 2017-03-01 | 2017-09-29 | 云南足丰种业有限公司 | A kind of seed low-temp bunker |
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