CN109163517A - A kind of crop storage device with drying and cold paddy function - Google Patents
A kind of crop storage device with drying and cold paddy function Download PDFInfo
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- CN109163517A CN109163517A CN201811166830.6A CN201811166830A CN109163517A CN 109163517 A CN109163517 A CN 109163517A CN 201811166830 A CN201811166830 A CN 201811166830A CN 109163517 A CN109163517 A CN 109163517A
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- drying
- crop storage
- storehouse
- grain
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- 238000001035 drying Methods 0.000 title claims abstract description 94
- 238000003860 storage Methods 0.000 title claims abstract description 59
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 8
- 239000012466 permeate Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 abstract description 61
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 126
- 238000007791 dehumidification Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 7
- 238000005138 cryopreservation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012080 ambient air Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010981 drying operation Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 238000010025 steaming Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The invention discloses a kind of with the crop storage device dried with cold paddy function, including grain-drying storehouse, crop storage storehouse and Analysis of Heat Pump Drying System；Air intake passage and air-out passage are connected on grain-drying storehouse, air-out passage one end is connect with grain-drying storehouse, and the other end is connect with crop storage storehouse；Analysis of Heat Pump Drying System includes at least one set of heat pump unit, heat pump unit includes the compressor for being connected to form refrigerant-cycle systems, condenser, throttling set and evaporator, and the condenser sequence arranged of each heat pump unit is in air intake passage, evaporator is arranged sequentially in air-out passage.Crop storage device provided by the invention, the cereal in grain-drying storehouse 6 is dried using the hot-air for flowing through condenser acquisition, the cereal in crop storage storehouse is refrigerated using the cold air for flowing through evaporator generation, integrate grain dry and cereal refrigeration, sufficiently recover energy, cost is greatly saved, and compact-sized, occupies little space.
Description
Technical field
The present invention relates to heat pump system designs technical fields, and in particular to a kind of cereal storage with drying and cold paddy function
Cryopreservation device.
Background technique
The cereal in season at noon and autumn big field harvest, can provide heat using heat pump unit and be dried；In drying
The damp grain to be dried such as the heart, need to cool down heat extraction cryopreservation, prevents fever from going mouldy；The cereal of storage is dried, and is needed
Cooling heat extraction regularly carries out cryopreservation, to reduce aging speed, keep grain quality and mouthfeel.
Grain-drying needs heat temperature raising, is an endothermic process；Cereal cryopreservation needs heat elimination and cooling, is one and puts
Thermal process；And heat pump unit is substantially a refrigerating plant, is one " heat porter ", has evaporator heat absorption and condenses
The exothermic dual function of device, technically there is a heat pump unit simultaneously or stagger the time meet cereal high temperature drying and low temperature
Store the realistic possibility of two functions；
How drying and refrigerating equipment, performance heat pump unit high temperature drying and cryopreservation grain-production during is integrated
Dual function, realize heat pump unit " dual-use ", " a machine three-use ", improve the efficiency and utilization rate of heat pump unit, reduce
Grain heat-drying and the cost of storage, are of great significance.
Summary of the invention
For the existing issue proposed in background technique, the present invention provides a kind of with the cereal dried with cold paddy function
Storage device, including grain-drying storehouse, crop storage storehouse and Analysis of Heat Pump Drying System；It is logical that air inlet is connected on the grain-drying storehouse
Road and air-out passage, described air-out passage one end are connect with the grain-drying storehouse, and the other end is connect with the crop storage storehouse；
The Analysis of Heat Pump Drying System includes at least one set of heat pump unit, and the heat pump unit includes to be connected to form refrigeration
Compressor, condenser, throttling set and the evaporator of the agent circulatory system, the condenser sequence arrangement cloth of each heat pump unit
It sets in the air intake passage, evaporator is arranged sequentially in the air-out passage.
It is in communication with the outside preferably, being additionally provided on air intake passage between the condenser and the grain-drying storehouse
First passage；
And the junction of the first passage and the air intake passage is provided with the first air-flow switching air door, passes through control the
One air-flow switches air door rotating opening air intake passage, closure first passage, or closure air intake passage, opening first passage.
It is in communication with the outside preferably, being additionally provided on air-out passage between the evaporator and the grain-drying storehouse
Second channel；
And the junction of the second channel and the air-out passage is provided with the second air-flow switching air door, passes through control the
Two air-flows switch air door rotating opening air-out passage, closure second channel, or closure air-out passage, opening second channel.
Preferably, one first blower is provided between the end of the air-out passage and the crop storage storehouse, first
The effect of blower drive the air intake passage, in air-out passage air flowing.
It is in communication with the outside preferably, being additionally provided on air-out passage between first blower and the crop storage storehouse
Third channel；And the junction of the third channel and air-out passage is provided with third air-flow switching air door, passes through control the
Three air-flows switch air door rotating opening air-out passage, closure third channel, or closure air-out passage, opening third channel.
Preferably, first blower is using high-head, the blower of Wind Volume, the pressure of first blower >=
2000pa, air quantity >=10000m3/h。
Preferably, the exit of the first passage is provided with the second blower.
Preferably, the side on the air-out passage close to the grain-drying storehouse is provided with deduster.
Preferably, the air-out passage delivers air to the bottom in the crop storage storehouse, air is stored up from the cereal
The bottom of storage permeates up.
Preferably, the bottom in the crop storage storehouse is disposed with the delivery pipe of multiple parallel connections, it is evenly equipped in the delivery pipe
Multiple ventholes, the air-out passage deliver air in each delivery pipe, are transported to the cereal via the venthole and store up
In storage.
The present invention due to using the technology described above, is allowed to compared with prior art, have the following advantages that and actively imitate
Fruit:
Crop storage device provided by the invention, using flow through condenser acquisition hot-air in grain-drying storehouse 6
Cereal is dried, and is refrigerated using the cold air for flowing through evaporator generation to the cereal in crop storage storehouse, and collection cereal is dry
The refrigeration of dry and cereal is integrated, and is sufficiently recovered energy, cost is greatly saved, and compact-sized, occupies little space.
Detailed description of the invention
In conjunction with attached drawing, by detailed description below, it can be more clearly understood that above-mentioned and other feature of the invention and excellent
Point, in which:
Fig. 1 is the structural schematic diagram of the crop storage device with drying and cold paddy function provided by the invention；
Fig. 2 is the vertical cross-sectional in crop storage storehouse in the present invention；
Fig. 3 is the lateral half-section diagram in crop storage storehouse in the present invention；
Fig. 4 is the signal provided by the invention having under the crop storage device of drying and cold paddy function drying operating status
Figure；
Fig. 5 is the schematic diagram for showing pressure value when air flows through each component under Fig. 4 state；
Fig. 6 is the signal under the cool paddy operating status of crop storage device with drying and cold paddy function provided by the invention
Figure；
Fig. 7 is the schematic diagram for showing pressure value when air flows through each component under Fig. 6 state；
Fig. 8 is the crop storage device drying provided by the invention with drying and cold paddy function and cool paddy combined operating shape
Schematic diagram under state.
Specific embodiment
Referring to the attached drawing for showing the embodiment of the present invention, the present invention is described in more detail.However, the present invention can be with
Many different forms are realized, and should not be construed as being limited by the embodiment herein proposed.On the contrary, proposing that these embodiments are
In order to reach abundant and complete disclosure, and those skilled in the art is made to understand the scope of the present invention completely.These are attached
In figure, for clarity, the size and relative size in layer and region may be exaggerated.
Referring to Fig.1-3, it is dried the present invention provides a kind of with the crop storage device dried with cold paddy function, including cereal
Dry storehouse 6, crop storage storehouse 15 and Analysis of Heat Pump Drying System；Air intake passage 1 and air-out passage 11 are connected on grain-drying storehouse 6, out
11 one end of wind channel is connect with grain-drying storehouse 6, and the other end is connect with crop storage storehouse 15.Wherein, Analysis of Heat Pump Drying System includes
There is at least one set of heat pump unit, heat pump unit includes the compressor 16 for being connected to form refrigerant-cycle systems, condenser 2, section
Device 17 and evaporator 18 are flowed, the condenser sequence arranged of each heat pump unit is in air intake passage 1, evaporator sequence is arranged
It is listed in the air-out passage.
Crop storage device provided by the invention, using flow through condenser acquisition hot-air in grain-drying storehouse 6
Cereal is dried, and is refrigerated using the cold air for flowing through evaporator generation to the cereal in crop storage storehouse, and collection cereal is dry
The refrigeration of dry and cereal is integrated, and is sufficiently recovered energy, cost is greatly saved, and compact-sized, occupies little space.
In the present embodiment, grain drying machine 6 generallys use circulation type grain drying machine, by metal plate shell, grain-drying
Segment structure, elevator composition.Certainly in other embodiments, the specific constructive form of grain drying machine 6 can also be according to specific feelings
Condition is adjusted, herein with no restrictions.
In the present embodiment, the group number of heat pump unit included by Analysis of Heat Pump Drying System can be adjusted as the case may be
It is whole, herein with no restrictions.For example, Analysis of Heat Pump Drying System includes three groups of heat pump units, and along the stream of air shown in Fig. 1
Dynamic direction, the arrangement mode of three condensers with relative to the arrangement mode of three evaporators it is opposite.
In the present embodiment, the side on air-out passage 11 close to grain-drying storehouse 6 is provided with deduster 8, for removing
The dust impurity in air be discharged by grain-drying storehouse 6, avoids enter into crop storage storehouse 15.
Further, deduster 8 generallys use whirlwind filter cylinder joint dedusting device, by cyclone dust collectors and filter cylinder group dedusting
Device is connected in series, and cyclone dust collectors are preposition, filter cylinder group deduster postposition；Certainly in other embodiments, the specific knot of deduster 8
Configuration formula can also be adjusted as the case may be, herein with no restrictions.
In the present embodiment, one first blower 12 is provided between the end of air-out passage 11 and crop storage storehouse 15,
Driven under the action of first blower 12 air intake passage 1, in air-out passage 11 air flowing.The first blower 12 is in the present embodiment
The steaming of total system gas circuit power when being used to provide grain-drying operation after the evaporator is specially arranged in the power source of gas circuit
Send out device centrifugal blower；Meanwhile first the cold air that evaporator generates when being also Liang Gu operation of blower 12 penetrate the power source of grain mass.
Further, the first blower 12 is using high-head, the blower of Wind Volume, pressure >=2000pa of the first blower, wind
Amount >=10000m3/h.Evaporator centrifugal blower of the present invention has high-head (>=2000pa), Wind Volume (>=10000m3/h)
Feature: 1. when grain-drying is run, evaporator centrifugal blower is total system gas circuit power, pulls the supercooling of surrounding air sequential flow
Condenser group is heated as dry air, flow through drier section and damp grain carries out hot and humid area, flows through deduster and filter out
Dust flows through evaporator group cool-down dehumidification and leaves heat, and evaporator centrifugal blower does work to air-flow in air inlet at this time, in air draught
Mouth is generated relative to atmospheric pressure -2000pa negative pressure below；2. evaporator centrifugal blower is that cold air penetrates in Liang Gu operation
The power of grain mass, evaporator centrifugal blower mainly does work to air-flow in centrifugal blower exhaust outlet at this time, generates in air outlet opposite
In the positive pressure of atmospheric pressure+2000pa or more, the cold air for pushing evaporator to generate penetrates grain mass.
In the present embodiment, which further includes that setting is exclusively used in condenser fortune when cool paddy after the condenser
Capable condenser axial flow blower.
In the present embodiment, it is additionally provided with and is in communication with the outside on the air intake passage 1 between condenser 2 and grain-drying storehouse 6
First passage 3；And the junction of first passage 3 and air intake passage 1 is provided with the first air-flow switching air door 7, passes through control the
One air-flow switches air door rotating opening air intake passage 1, closure first passage 3, or closure air intake passage 1, opening first passage
3。
Further, the exit of first passage 3 is provided with the second blower 5, and the setting of the second blower 5 is for promoting air inlet
Air in channel 1 is flowed out from first passage 3.
In the present embodiment, it is additionally provided with and is in communication with the outside on the air-out passage 11 between evaporator and grain-drying storehouse 15
Second channel 10；And the junction of second channel 10 and air-out passage 11 is provided with the second air-flow switching air door 9, passes through control
Second air-flow switches 9 rotating opening air-out passage 10 of air door, closure second channel 10, or closure air-out passage 11, opens the
Two channels 10.
In the present embodiment, it is additionally provided on the air-out passage 11 between the first blower 12 and crop storage storehouse 15 and the external world
The third channel 13 of connection；And the junction of third channel 13 and air-out passage 11 is provided with third air-flow switching air door 14, leads to
It crosses control third air-flow switching 14 rotating opening air-out passage 11 of air door, be closed third channel 13, or closure air-out passage 11,
Open third channel 13.
In the present embodiment, air door 7, second channel 10, the second air-flow are switched by first passage 3, the first air-flow and switch wind
The setting of door 9, third channel 13, third air-flow switching air door 14, realizes the multiple functions of crop storage device, specifically has
3 kinds of methods of operation below:
1, drying operation
Referring to Fig. 4-5, control the first air-flow switching air door 7 opens air intake passage 1, closes first passage 3；Control the second gas
Stream switching air door 9 opens air-out passage 11, closes second channel 10；It controls third air-flow switching air door 14 and opens third channel
14, it is closed the air intake passage at 12 rear of the first blower, air outlet of first blower to ambient air is opened, to grain mass bottom wind
The air outlet in road is closed.
When drying operation, the damp grain of Cirulation type grain warehouse for drying 6 is packed under the action of elevator, is continuously slowly worn
The dryer section in grain-drying storehouse 6 is crossed, grain-drying circulation is started；Evaporator group draw heat from the outlet air in grain-drying storehouse 6,
Dry fresh air is heated by condenser group；Dry fresh air after heating, passes through 6 dryer section of grain-drying storehouse, and
Damp grain is heated in dryer section, moisture in cereal is evaporated to water vapour formation warm moist air discharge grain-drying storehouse
6；The warm moist air in discharge grain-drying storehouse 6 enters deduster 8, and the warm-humid air of filtering dust is again introduced into deduster 8
Evaporator group cool-down dehumidification releases heat, and released heat is again fed to heat pump by the closed cycle of heat carrier refrigerant
Condenser starts new round recycle heat.
When above-mentioned grain-drying is run, the first blower 12 is total system gas circuit power, pulls the supercooling of surrounding air sequential flow
Condenser group is heated as dry air, flow through 6 dryer section of grain-drying storehouse and damp grain carries out hot and humid area, flows through deduster
Filtering dust flows through evaporator group cool-down dehumidification and leaves heat, and the first blower 12 does work to air-flow in air inlet at this time, in air draught
Mouth is generated relative to atmospheric pressure -2000pa negative pressure below.
2, Liang Gu is run
Referring to Fig. 6-7, control the first air-flow switching air door 7 closes air intake passage 1, opens first passage 3, so that through being subcooled
The hot-air generated after solidifying is exhausted directly in outside air；The second air-flow switching air door 9 is controlled to be closed air-out passage 11, open the
Two channels 10 directly adopt outside air and flow through evaporator group；Control third air-flow switching air door 14 is closed third channel 14, beats
The air intake passage for opening 12 rear of the first blower closes air outlet of the centrifugal blower to ambient air, to grain mass bottom air duct
Air outlet is opened.
Before the cold paddy operation of the present invention, switching first is adjusted to the connection air duct of drying operation, the air duct after switching
The outlet air of heat pump unit condenser group is directly discharged into ambient air, the suction inlet access environment atmosphere of evaporator group makes to steam
The first blower after hair device group is by being adjusted in outlet to discharge air-flow acting, production suction airflow acting in suction inlet
The cool paddy output gas flow of high pressure low temperature；
The present invention is when Liang Gu is run, and by the suction inlet access environment atmosphere of evaporator group, makes the after evaporator group
Suction airflow acting is adjusted in outlet to discharge air-flow acting in suction inlet when one blower 12 is run by drying, production is high
Force down warm output gas flow；By Cryogenic air made of evaporator with heat pump group cool-down dehumidification, grain is injected by evaporator centrifugal blower
The connection air duct of library grain mass lower part and air-flow distributor；Cryogenic air passes through the air-flow distributor of the big ventilation-sectional area in grain mass bottom
Later, low speed penetrates into cereal stack layers, from bottom to top, absorbs cereal heat, becomes warm heat air and escapes at the top of grain mass again, cereal
It is cooled.
In Liang Gu operation, the first blower 12 is the power that cold air penetrates grain mass, and evaporator centrifugal blower is main at this time
It does work in centrifugal blower exhaust outlet to air-flow, generates the positive pressure relative to atmospheric pressure+2000pa or more in air outlet, push evaporation
The cold air that device generates penetrates grain mass
3, drying and cool paddy combined operating
Referring to Fig. 8, control the first air-flow switching air door 7 opens air intake passage 1, closes first passage 3；Control the second air-flow
Switch air door 9 and opens air-out passage 11, closure second channel 10；The control third air-flow switching closure of air door 14 third channel 14,
The air intake passage for opening 12 rear of the first blower closes air outlet of the centrifugal blower to ambient air, to grain mass bottom air duct
Air outlet open.
When drying is with cool paddy combined operating, the first blower 12 not only does work in suction inlet and generates negative pressure but also in outlet acting
Positive pressure is generated, while being ambient air-condenser group-grain-drying storehouse dryer section-deduster-evaporator group to air flow path
Drying air-flow and air flow path are the connection cool essence derived from food stream of air duct-air-flow distributor-grain mass, provide and overcome air-flow on-way resistance
Power resources；The recycle heat of grain-drying is still, and evaporator with heat pump draw heat from dryer outlet air passes through heat pump
Condenser group heats dry fresh air；Dry fresh air after heating passes through drier section, and right in dryer section
Damp grain, which is heated, is evaporated to water vapour formation warm moist air discharge dryer for moisture in cereal；The warm of dryer is discharged
Wet gas current enters deduster, and the warm-humid air of filtering dust is again introduced into evaporator with heat pump cool-down dehumidification and releases heat in deduster
It measures and becomes low temperature cold air, released heat is again fed to heat pump by the closed cycle of heat carrier refrigerant and condenses
Device starts new round recycle heat；And the low temperature sky generated by evaporator with heat pump group cool-down dehumidification is just utilized in Liang Gu
Gas, Cryogenic air pass through the big ventilation section in grain mass bottom by the connection air duct of evaporator centrifugal blower injection grain depot grain mass lower part
After long-pending air-flow distributor, low speed penetrates into cereal stack layers, from bottom to top, absorbs cereal heat, becomes warm heat air again from paddy
Evolution at the top of heap, realizes cereal cooling down.
In the present embodiment, air-out passage 11 delivers air to the bottom in crop storage storehouse 15, and air is from crop storage
The bottom in storehouse 15 permeates up.
Further, as shown in figures 2-3, the bottom in crop storage storehouse 15 is disposed with the delivery pipe 19 of multiple parallel connections, defeated
It send and is evenly equipped with multiple ventholes 20 on pipe 19, air-out passage 11 delivers air in each delivery pipe 19, defeated via venthole 20
It is sent in crop storage storehouse 15.
The heat pump united device with drying and cold paddy dual function provided by the invention, has following have the beneficial effect that
1. reliably realizing switching of the heat pump unit drying operating condition to cold paddy operating condition
It is rapidly and efficiently dried to realize, under 70 DEG C of outlet air of drying operating condition, the condenser side air inlet/outlet of heat pump unit
Enthalpy difference, reaches 50kj/kg or so, and vaporizer side air inlet/outlet enthalpy difference is up to 35kj/kg；And under cold paddy operating condition, by 25 DEG C of 50% left side
To near 5 DEG C 100%, enthalpy difference 37kj/kg or so connects right surrounding air cool-down dehumidification with drying operating condition evaporator air inlet/outlet enthalpy difference
Closely；
A kind of heat pump united device with drying and cold paddy dual function of the present invention, when cold paddy runs, by environment
The detection of aerial temperature and humidity starts operation Drying unit according to surrounding air dehumidifying and cooling to 5 DEG C 100% of enthalpy difference requirement
Refrigerating capacity, the reliable switching for realizing heat pump unit drying operating condition to cold paddy operating condition；
2. reliably realizing switching of the heat pump unit wind path operating condition between drying and cold paddy
A kind of heat pump united device with drying and cold paddy dual function provided by the invention, using with high-head
(>=2000pa), the evaporator centrifugal blower of Wind Volume (>=10000m3/h) feature, it is reliable to realize that heat pump unit wind path operating condition exists
Switching between drying and cold paddy: 1. when grain-drying is run, evaporator centrifugal blower is total system gas circuit power, pulls ring
Border air sequential flow crosses condenser group and is heated as dry air, flows through drier section and the wet friendship of damp grain progress heat
It changes, flow through deduster filtering dust, flowing through evaporator group cool-down dehumidification and leave heat, evaporator centrifugal blower is in air inlet at this time
It does work to air-flow, generates in air inlet relative to atmospheric pressure -2000pa negative pressure below；2. Liang Gu operation when, evaporator from
Heart blower is the power that cold air penetrates grain mass, and evaporator centrifugal blower mainly does air-flow in centrifugal blower exhaust outlet at this time
Function generates the positive pressure relative to atmospheric pressure+2000pa or more in air outlet, and the cold air for pushing evaporator to generate penetrates grain mass；
3. improving the efficiency and utilization rate of heat pump unit
A kind of heat pump united device with drying and cold paddy dual function provided by the invention, integrates grain-production process
In grain-drying and cereal refrigerating equipment, play the drying of heat pump unit high temperature and the dual function of cryopreservation, realize heat
" dual-use ", " a machine three-use " of pump assembly, improve the efficiency and utilization rate of heat pump unit, considerably reduce grain heat-drying
With the cost of storage.
Those skilled in the art should be understood that the present invention can be implemented without departing from it with many other concrete forms
The spirit or scope of itself.Although case study on implementation of the invention has been described, it should be understood that the present invention should not be limited to these implementations
Example, those skilled in the art can make variation within the spirit and scope of the present invention as defined by the following claims
And modification.
Claims (10)
1. a kind of crop storage device with drying and cold paddy function, which is characterized in that including grain-drying storehouse, crop storage
Storehouse and Analysis of Heat Pump Drying System；Be connected with air intake passage and air-out passage on the grain-drying storehouse, described air-out passage one end with
The grain-drying storehouse connection, the other end are connect with the crop storage storehouse；
The Analysis of Heat Pump Drying System includes at least one set of heat pump unit, and the heat pump unit includes to be connected to form refrigerant to follow
The condenser sequence arranged of compressor, condenser, throttling set and the evaporator of loop system, each heat pump unit exists
The air intake passage is interior, evaporator is arranged sequentially in the air-out passage.
2. the crop storage device with drying and cold paddy function according to claim 1, which is characterized in that the condensation
The first passage being in communication with the outside is additionally provided on air intake passage between device and the grain-drying storehouse；
And the junction of the first passage and the air intake passage is provided with the first air-flow switching air door, by controlling the first gas
Stream switching air door rotating opening air intake passage, closure first passage, or closure air intake passage, opening first passage.
3. the crop storage device with drying and cold paddy function according to claim 2, which is characterized in that the evaporation
The second channel being in communication with the outside is additionally provided on air-out passage between device and the grain-drying storehouse；
And the junction of the second channel and the air-out passage is provided with the second air-flow switching air door, by controlling the second gas
Stream switching air door rotating opening air-out passage, closure second channel, or closure air-out passage, opening second channel.
4. the crop storage device with drying and cold paddy function according to claim 1 or 2 or 3, which is characterized in that institute
It states and is provided with one first blower between the end of air-out passage and the crop storage storehouse, described in the effect drive of the first blower
The flowing of air in air intake passage, air-out passage.
5. the crop storage device with drying and cold paddy function according to claim 4, which is characterized in that described first
The third channel being in communication with the outside is additionally provided on air-out passage between blower and the crop storage storehouse；And the third is logical
The junction of road and air-out passage is provided with third air-flow switching air door, switches air door rotating opening by control third air-flow and goes out
Wind channel, closure third channel, or closure air-out passage, opening third channel.
6. the crop storage device with drying and cold paddy function according to claim 4, which is characterized in that described first
Blower is using high-head, the blower of Wind Volume, pressure >=2000pa of first blower, air quantity >=10000m3/h。
7. the crop storage device with drying and cold paddy function according to claim 2, which is characterized in that described first
The exit in channel is provided with the second blower.
8. the crop storage device with drying and cold paddy function according to claim 1, which is characterized in that the outlet air
Side on channel close to the grain-drying storehouse is provided with deduster.
9. the crop storage device with drying and cold paddy function according to claim 1, which is characterized in that the outlet air
Channel delivers air to the bottom in the crop storage storehouse, and the bottom in air from the crop storage storehouse permeates up.
10. the crop storage device with drying and cold paddy function according to claim 9, which is characterized in that the paddy
The bottom of object storage warehouse is disposed with the delivery pipe of multiple parallel connections, and multiple ventholes are evenly equipped in the delivery pipe, and the outlet air is logical
Road delivers air in each delivery pipe, is transported in the crop storage storehouse via the venthole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811166830.6A CN109163517B (en) | 2018-09-30 | 2018-09-30 | Cereal storage device with stoving and cold millet function |
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|---|---|---|---|
| CN201811166830.6A CN109163517B (en) | 2018-09-30 | 2018-09-30 | Cereal storage device with stoving and cold millet function |
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| CN109163517A true CN109163517A (en) | 2019-01-08 |
| CN109163517B CN109163517B (en) | 2024-01-30 |
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| CN109682201A (en) * | 2019-02-12 | 2019-04-26 | 农业农村部南京农业机械化研究所 | Air energy grain heat-drying refrigerates energy saving integral device and its Intelligent control method |
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