CN207907580U - A kind of grain storage Cold Storage Control System with interior circulatory function - Google Patents

Abstract

The utility model is related to a kind of grain storage Cold Storage Control Systems with interior circulatory function, including monitor supervision platform and more than one grain storage freezer, the grain storage freezer to be provided with the first temperature sensor, second temperature sensor and controller；The above position of grain face is arranged in grain storage freezer in first temperature sensor, and the second temperature sensor is arranged inside grain heap；The controller is communicated to connect with the monitor supervision platform；Air current circulation and wind pushing mechanism are respectively provided in each grain storage freezer, first temperature sensor and the second temperature sensor are electrically connected with the input terminal of the controller respectively；The cold air of grain storage freezer can be carried out internal cycle by the utility model using automation control by air current circulation, 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, carry out low-temperature grain-storage, grain, which is not easy ageing, can also keep good moisture, improve stored grain quality.

Description

A kind of grain storage Cold Storage Control System with interior circulatory function

Technical field

This application involves foodstuff preservation fields, and in particular to a kind of grain storage Cold Storage Control System with interior circulatory function.

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.

Utility model 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, the application provides a kind of grain storage Cold Storage Control system with interior circulatory function System.Not foot point existing for effective solution existing low-temperature grain-storage warehouse, while can also automatically to more than one Grain storage freezer recycles adjusting in carrying out.

In order to achieve the above object, the utility model adopts the following technical solution：A kind of grain storage with interior circulatory function is cold Library control system, including monitor supervision platform and more than one grain storage freezer, more than one grain storage freezer respectively with the prison Control Platform communication connection；Storage has grain in each grain storage freezer, the grain storage freezer be provided with the first temperature sensor, Second temperature sensor and controller；The above position of grain face is arranged in grain storage freezer in first temperature sensor, for examining The air themperature of grain face or more is surveyed, the second temperature sensor is arranged inside grain heap, for detecting the temperature inside grain heap； The controller is communicated to connect with the monitor supervision platform；It is respectively provided with air current circulation and pressure fan in each grain storage freezer Structure, 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 control Device 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 be used for by the gas in grain storage freezer more than grain face be extracted into grain bottom into The internal cycle of row.

Further, a set of above air current circulation is provided in grain storage freezer, the air current circulation includes following Ring wind turbine, air inlet pipe and an air outlet pipe；One end of the air inlet pipe extends in the air above grain face, the air inlet pipe it is another Terminate at the air flow inlet end of the circulating fan；One end of the escape pipe is connected on the airflow outlet end of the circulating fan, The other end of the escape pipe extends to grain bottom；The circulating fan is electrically connected with the controller.

Further, first section of setting is arranged on the bottom of the grain storage freezer, the air inlet pipe in the circulating fan Only valve, first shut-off valve are 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；

Further, setting air-supply shut-off valve on the pipeline.

Further, the air-supply shut-off valve is electric check valve, and the air-supply shut-off valve is electrically connected with the controller.

Further, the grain storage freezer includes freezer wall, freezer ceiling and grain guard board, the grain storage cool house internal It is equipped with the first insulating layer on freezer wall face, the second heat preservation is equipped on the freezer ceiling face of the grain storage cool house internal Layer, the grain guard board, which attaches, to be arranged on first insulating layer.

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 utility model uses above technical scheme, and more than one grain storage freezer is communicated with the monitor supervision platform respectively Connection；The air themperature for detecting grain face or more by the first temperature sensor in the grain storage freezer of each, passes by second Sensor detects the temperature inside grain heap, and monitor supervision platform is used for the operation of detecting system, and respective controller is according to the temperature detected Degree starts air current circulation automatically, and the air current circulation in the utility model is for will be in grain storage freezer more than grain face Gas is extracted into grain bottom and carries out internal cycle.And in the bottom of grain storage freezer at least provided with a set of wind pushing mechanism.In winter When the cold wind of 0 degree of following temperature is directly conveyed into grain storage freezer by wind pushing mechanism, the grain refrigeration of storage is got up, Due to being isolated with outside air provided with closed freezer, especially in summer, using low-temperature grain-storage provided by the utility model Freezer can effectively prevent heat exchange, and the grain of storage is allowed to be always held at 0 degree hereinafter, grain heap is closed is stored in freezer, Not with extraneous hot air, while controller starts interior cycle automatically according to the temperature detected, and grain face top is higher The air of temperature takes out lower grain face lower part, and air-flow is permeated up out grain face from grain face bottom, can will be stored up using air current circulation The cold air of grain freezer carries out internal cycle, reduces grain face and the temperature difference inside grain heap, grain heap not will produce moisture condensation, 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 Quality.

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 the grain storage refrigeration storage system structural schematic diagram that the utility model can automatically adjust interior cycle；

Fig. 3, which is the utility model, can automatically adjust one of grain storage freezer structural schematic diagram of interior cycle；

Fig. 4 is the grain storage freezer second structural representation that the utility model can automatically adjust interior cycle；

Fig. 5 is the grain storage freezer air-supply structure schematic diagram that the utility model can automatically adjust interior cycle；

Fig. 6 is the grain storage freezer inner circulation structure schematic diagram that the utility model can automatically adjust interior cycle.

In figure：1, supply air system；2, grain face；3, transom；4, grain storage freezer；5, monitor supervision platform；6, grain storage warehouse；7, One temperature sensor；8, second temperature sensor；9, controller；10, air current circulation；11, wind pushing mechanism；12, circulated air Machine；13, air inlet pipe；14, escape pipe；15, the first shut-off valve；16, pressure fan；17, draught distributing box；18, ventilated cage；19, air-supply is cut Only valve；20, freezer wall；21, freezer ceiling；22, grain guard board；23, the first insulating layer；24, the second insulating layer；25, air hole.

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 Fig. 2, the utility model provides a kind of grain storage Cold Storage Control System with interior circulatory function, including monitoring Platform 5 and more than one grain storage freezer 4, more than one grain storage freezer 4 are communicated to connect with the monitor supervision platform 5 respectively； The grain storage freezer 4 is closed grain storage freezer, and the grain storage freezer 4 is arranged in grain storage warehouse 6.Each grain storage freezer 4 In storage there is grain, the grain storage freezer 4 to be provided with the first temperature sensor 7, second temperature sensor 8 and controller 9；Institute It states the first temperature sensor 7 and the above position of grain face, the air themperature for detecting grain face or more, institute is set in grain storage freezer 4 It states second temperature sensor 8 to be arranged inside grain heap, for detecting the temperature inside grain heap；The controller 9 and the monitoring Platform 5 communicates to connect；Air current circulation 10 and wind pushing mechanism 11, first temperature are respectively provided in each grain storage freezer 4 Sensor 7 and the second temperature sensor 8 are electrically connected with the input terminal of the controller 9 respectively；The controller 9 is according to connecing The temperature of the first temperature sensor 7 received controls the operating of the air current circulation 10；Or the controller 9 is according to One temperature sensor 7 controls the operating of the air current circulation 10 with the temperature gap of second temperature sensor 8.

By the operation of 5 monitoring systems of monitor supervision platform in the utility model, the controller 9 in each grain storage freezer 4 Start respective air current circulation 10 according to the temperature value detected, the air of grain face top higher temperature is taken out under lower grain face Portion, air-flow permeate up out grain face from grain face bottom, and can realize that automation control facilitates using air current circulation 10 will store up The cold air of grain freezer 4 carries out internal cycle, reduces grain face and the temperature difference inside grain heap, grain heap not will produce moisture condensation, to keep away The occurrence of grain goes mouldy is exempted from.

As shown in figure 3, as a preferred embodiment, described in grain storage Cold Storage Control System provided in this embodiment A set of above air current circulation 10 is provided in grain storage freezer 4, the air current circulation 10 includes circulating fan 12, air inlet Pipe 13 and escape pipe 14；One end of the air inlet pipe 13 extends in the air above grain face, the other end of the air inlet pipe 13 It is connected on the air flow inlet end of the circulating fan 12；One end of the escape pipe 14 is connected on the air stream outlet of the circulating fan 12 End, the other end of the escape pipe 14 extend to grain bottom；The circulating fan 12 is electrically connected with the controller 9.This reality It applies air current circulation 10 described in example and carries out internal follow for the gas in grain storage freezer 4 more than grain face to be extracted into grain bottom Ring.

Specifically, the circulating fan 12 is arranged is arranged on the bottom of the grain storage freezer 4, the air inlet pipe 13 One shut-off valve 15, first shut-off valve 15 are electrically connected with the controller 9.Here the first shut-off valve 15 is by controller 9 The electric check valve controlled.

As shown in figure 3, as a preferred embodiment, in grain storage Cold Storage Control System provided in this embodiment, institute It includes pressure fan 16, draught distributing box 17 and ventilated cage 18 to state wind pushing mechanism 11；The pressure fan 16 is arranged outside grain storage warehouse 6；Institute It states draught distributing box 17 and the ventilated cage 18 is arranged inside grain storage freezer 4；The pressure fan passes through pipeline and the draught distributing box 17 Connection, the ventilated cage 18 are connected on the draught distributing box 17, and the ventilated cage 18 is rows of to be arranged in 4 bottom of grain storage freezer； The pressure fan is electrically connected with the controller 9；

Specifically the other end of the escape pipe 14 extends on the draught distributing box 17 of grain bottom；It should be noted that institute State setting air-supply shut-off valve 19 on pipeline.The air-supply shut-off valve 19 be electric check valve, the air-supply shut-off valve 19 with it is described Controller 9 is electrically connected.

As shown in figure 4, on the other hand, in grain storage Cold Storage Control System provided by the utility model, the grain storage freezer 4 wraps Freezer wall 20, freezer ceiling 21 and grain guard board 22 are included, first is equipped on 20 face of freezer wall inside the grain storage freezer 4 Insulating layer 23 is equipped with the second insulating layer 24 on 21 face of freezer ceiling inside the grain storage freezer 4, and the grain guard board 22 pastes It sets up and sets on first insulating layer 23.An air hole 25, the air hole 25 are at least offered on the grain storage freezer 4 It is positioned close on the freezer wall 20 of freezer ceiling 21.The air hole 25 is positioned close to the freezer wall of freezer ceiling 21 On 20.The air hole 25 of the utility model can control opening or closing, air hole 25 and wind pushing mechanism by controller 9 11 accompany conjunction to form current path.

The operation principle of the utility model is described as follows now：

As shown in figure 5, conveying cold air in winter to grain storage freezer 4, operating method：The control of controller 9 closes first section Only valve 15；Air-supply shut-off valve 19 and air hole 25 are opened in the control of controller 9, and the control of controller 9 starts pressure fan by outdoor winter Dry cold air is delivered in grain storage freezer 4, and grain storage is cooled down using cold air convection.It should be noted that specific reduce Be to the subzero several years determined according to outdoor temperature at that time, if for example, outdoor temperature is minus 20 degrees, can by convection current The temperature of grain storage is 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 4 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, the control of controller 9 close air-supply shut-off valve 19 and air hole 25, grain storage freezer 4 are made to form a closed freezer.

As shown in fig. 6, when spring in the coming year or summer, when the temperature of grain face is at 0 degree to subzero 3 degree, this certain model Enclosing can set, and could be provided as 0 degree to subzero 5 degree either inside the temperature and grain heap of other ranges or grain face Temperature difference can send out instruction in monitor supervision platform 5 and start air current circulation 10 by the control of controller 9 at 5 degree or so.

It specifically operates and is：Air-supply shut-off valve 19 and air hole 25 are closed in the control of controller 9, open the first shut-off valve 15, Start circulating fan 12, the air of higher temperature more than grain face in grain storage freezer 4 is transported to grain face by circulating fan 12 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 10.But in order to insure when the temperature in grain storage freezer 4 in grain face is higher than subzero 5 degree, so that it may with driving Gas in grain storage freezer 4 more than grain face is extracted into grain bottom and carries out internal cycle by air current circulation 10.It is followed using air-flow The cold air of grain storage freezer 4 can be carried out internal cycle by loop device 10, reduce grain face and the temperature difference inside grain heap, grain heap will not Moisture condensation is generated, the occurrence of going mouldy so as to avoid grain.

Certainly according to from the point of view of the case where operation, in the cold wind that Northeast Cold Area, winter last year pour into, temperature can be with It is always held at subzero, until winter in the coming year, but it is originally freezer to be promoted for the whole country, such as at the middle part of motherland Or southern area, a spare refrigeration fan (not shown) can be set again, refrigeration will be passed through using refrigeration fan Air delivery at draught distributing box 17.

The utility model uses above technical scheme, and more than one grain storage freezer 4 is led to the monitor supervision platform 5 respectively Letter connection；The air themperature for detecting grain face or more by the first temperature sensor 7 in the grain storage freezer 4 of each, by the Two sensors detect the temperature inside grain heap, and monitor supervision platform 5 is used for the operation of detecting system, and respective controller 9 is according to detection To temperature start air current circulation 10 automatically, the air current circulation 10 in the utility model is for by grain storage freezer 4 Gas more than middle grain face is extracted into grain bottom and carries out internal cycle.And it is sent at least provided with a set of in the bottom of grain storage freezer 4 Wind mechanism 11.Directly convey 0 degree of temperature cold wind below into grain storage freezer 4 by wind pushing mechanism 11 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 this practicality The low-temperature grain-storage freezer 4 of novel offer can effectively prevent heat exchange, and the grain of storage is allowed to be always held at 0 degree hereinafter, grain Heap is closed to be stored in freezer, not with extraneous hot air, while controller 9 according to the temperature detected come in automatic start The air of grain face top higher temperature is taken out lower grain face lower part by cycle, and air-flow permeates up out grain face from grain face bottom, using gas The cold air of grain storage freezer 4 can be carried out internal cycle by flowing circulator 10, reduce grain face and the temperature difference inside grain heap, grain heap It not will produce moisture condensation, the occurrence of going mouldy so as to avoid grain, carry out low-temperature grain-storage, grain, which is not easy ageing, to be kept Good moisture, improves stored grain quality.

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 (10)

1. a kind of grain storage Cold Storage Control System with interior circulatory function, it is characterised in that：Including monitor supervision platform and one with On grain storage freezer, more than one grain storage freezer respectively with the monitor supervision platform communicate to connect；

Storage has grain in each grain storage freezer, and the grain storage freezer is provided with the first temperature sensor, second temperature passes Sensor and controller；The above position of grain face is arranged in grain storage freezer in first temperature sensor, for detecting grain face or more Air themperature, the second temperature sensor is arranged inside grain heap, for detecting the temperature inside grain heap；The controller It is communicated to connect with the monitor supervision platform；

Air current circulation and wind pushing mechanism, first temperature sensor and described second are respectively provided in each grain storage freezer Temperature sensor is electrically connected with the input terminal of the controller respectively；The controller is according to the first temperature sensor received Temperature control the operating of the air current circulation；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.

2. the grain storage Cold Storage Control System according to claim 1 with interior circulatory function, it is characterised in that：The air-flow Circulator, which is used to the gas in grain storage freezer more than grain face being extracted into grain bottom, carries out internal cycle.

3. the grain storage Cold Storage Control System according to claim 1 with interior circulatory function, it is characterised in that：Grain storage freezer It is inside provided with a set of above air current circulation, the air current circulation includes circulating fan, air inlet pipe and an air outlet pipe；It is described One end of air inlet pipe extends in the air above grain face, and another gas for terminating at the circulating fan of the air inlet pipe flows into Mouth end；One end of the escape pipe is connected on the airflow outlet end of the circulating fan, and the other end of the escape pipe extends to grain Eat bottom；The circulating fan is electrically connected with the controller.

4. the grain storage Cold Storage Control System according to claim 3 with interior circulatory function, it is characterised in that：The cycle Wind turbine, which is arranged on the bottom of the grain storage freezer, the air inlet pipe, is arranged the first shut-off valve, first shut-off valve with it is described Controller is electrically connected.

5. the grain storage Cold Storage Control System according to claim 1 with interior circulatory function, it is characterised in that：The air-supply Mechanism includes pressure fan, draught distributing box and ventilated cage；The blower setting is external in grain storehouse；The draught distributing box and the ventilation Cage is arranged in grain storage cool house internal；The pressure fan is connected to by pipeline with the draught distributing box, and the ventilated cage is connected to described On draught distributing box, the ventilated cage is rows of to be arranged in grain storage freezer bottom；The pressure fan is electrically connected with the controller.

6. the grain storage Cold Storage Control System according to claim 5 with interior circulatory function, it is characterised in that：The pipeline Upper setting air-supply shut-off valve.

7. the grain storage Cold Storage Control System according to claim 6 with interior circulatory function, it is characterised in that：The air-supply Shut-off valve is electric check valve, and the air-supply shut-off valve is electrically connected with the controller.

8. the grain storage Cold Storage Control System according to any one of claims 1 to 7 with interior circulatory function, feature exist In：The grain storage freezer includes freezer wall, freezer ceiling and shelves grain plate, the freezer wall face upper berth of the grain storage cool house internal Equipped with the first insulating layer, the second insulating layer, the shelves grain plate patch are equipped on the freezer ceiling face of the grain storage cool house internal It sets up and sets on first insulating layer.

9. the grain storage Cold Storage Control System according to claim 8 with interior circulatory function, it is characterised in that：The grain storage An air hole is at least offered on freezer, the air hole is positioned close on the freezer wall of freezer ceiling.

10. the grain storage Cold Storage Control System according to claim 5 with interior circulatory function, it is characterised in that：It also sets up One spare refrigeration fan will pass through the air delivery of refrigeration at draught distributing box using refrigeration fan.