CN108489247B - A grain and oil crop drying device - Google Patents
A grain and oil crop drying device Download PDFInfo
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- CN108489247B CN108489247B CN201810174175.2A CN201810174175A CN108489247B CN 108489247 B CN108489247 B CN 108489247B CN 201810174175 A CN201810174175 A CN 201810174175A CN 108489247 B CN108489247 B CN 108489247B
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- hot air
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- drying box
- air inlet
- drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
- F26B17/205—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined with multiple chambers, e.g. troughs, in superimposed arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/12—Drying solid materials or objects by processes not involving the application of heat by suction
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- 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 goods
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
本发明公开了一种粮油作物干燥装置，包括干燥箱和搅拌螺杆，干燥箱上设有进料口和出料口，包括设置于进料口和出料口之间的第一干燥箱体，第一干燥箱体上有间隔设置的第一热风进口和第一冷风进口，第一干燥箱体上设有网孔孔径小于待干燥的粮油作物粒径的第一防护网；搅拌螺杆包括转轴和螺旋叶片，转轴横向设于干燥箱内并与干燥箱形成转动连接，螺旋叶片螺旋设于转轴上，转轴为中空转轴，且转轴上设有孔径小于待干燥的粮油作物的粒径的通气孔，转轴的一端封闭，另一端伸出干燥箱，转轴封闭的一端连有一驱动装置，转轴伸出干燥箱的一端通过第一管路连有除水装置，除水装置通过第二管路连有抽风机。该粮油作物干燥装置烘干效果好、且烘干效果均匀。
The invention discloses a grain and oil crop drying device, comprising a drying box and a stirring screw. The drying box is provided with a feeding port and a discharging port, and comprises a first drying box body arranged between the feeding port and the discharging port, The first drying box is provided with a first hot air inlet and a first cold air inlet arranged at intervals, and a first protective net with a mesh aperture smaller than the grain size of the grain and oil crops to be dried is arranged on the first drying box; the stirring screw includes a rotating shaft and a Spiral blade, the rotating shaft is horizontally arranged in the drying box and forms a rotational connection with the drying box, the screw blade is screwed on the rotating shaft, the rotating shaft is a hollow rotating shaft, and the rotating shaft is provided with a ventilation hole with a diameter smaller than the grain size of the grain and oil crops to be dried, One end of the rotating shaft is closed, and the other end extends out of the drying box. The closed end of the rotating shaft is connected with a driving device. The end of the rotating shaft that extends out of the drying box is connected with a water removal device through the first pipeline, and the water removal device is connected through the second pipeline. machine. The grain and oil crop drying device has good drying effect and uniform drying effect.
Description
Technical Field
The invention relates to the technical field of material drying, in particular to a grain and oil crop drying device.
Background
Since reducing the moisture content of grain and oil crops (mainly classified as grain crops, potato crops, and legume crops) can facilitate long-term storage of the grain and oil crops, people often dry the grain and oil crops prior to storage. The grain and oil crops are dried by adopting hot air in the existing drying equipment, one end of the hot air channel is generally adopted to enter the hot air, the hot air penetrates through the whole dryer and then blows out from the other end, when the hot air blows to the rear end of the dryer, the temperature attenuation is overlarge, the moisture in the drying process is not easy to discharge, the drying effect is unsatisfactory, meanwhile, the drying effect in the whole dryer is uneven, and the grain and oil crops after being dried have moisture difference and are not easy to store.
Disclosure of Invention
The invention aims to provide a grain and oil crop drying device with good and uniform drying effect, so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a grain and oil crop drying device, which comprises a drying box and a stirring screw rod, wherein a feed inlet is formed in the upper part of one end of the drying box, a discharge outlet is formed in the lower part of the other end of the drying box, the drying box comprises a first drying box body arranged between the feed inlet and the discharge outlet, a plurality of first hot air inlets and a plurality of first cold air inlets are formed in the first drying box body, the first hot air inlets and the first cold air inlets are arranged at intervals, a hot air blower is connected to the first hot air inlets, an air cooler is connected to the first cold air inlets, and first protective nets with mesh apertures smaller than the grain and oil crops to be dried are arranged at the first hot air inlets and the first cold air inlets in the first drying box body; the stirring screw rod comprises a rotating shaft and a spiral blade, the rotating shaft is transversely arranged in the drying box and is rotationally connected with the drying box, the spiral blade is spirally arranged outside the rotating shaft and is used for spirally propelling grain and oil crops to be dried, the rotating shaft is a hollow rotating shaft, an air vent with the aperture smaller than the particle size of the grain and oil crops to be dried is arranged on the rotating shaft, the air vent is communicated with the inside of the drying box and the inside of the rotating shaft, one end of the rotating shaft is sealed, the other end of the rotating shaft extends out of the drying box, the sealed end of the rotating shaft is connected with a driving device, one end of the rotating shaft extending out of the drying box is connected with a water removal device through a first pipeline, and the water removal device.
Preferably, the dewatering device comprises a vibrating wire grid, the vibrating wire grids are arranged on the first pipeline in multiple layers, vibrating wire wires of the vibrating wire grids which are arranged adjacently in front and back are mutually vertical, a dust collecting hopper and a water collecting hopper are sequentially arranged below the vibrating wire grid from front to back along the flowing direction of wind current on the first pipeline, a dust exhaust valve is arranged at the lower part of the dust collecting hopper, and a drainage valve is arranged at the lower part of the water collecting hopper.
Preferably, the second pipeline is provided with a filtering device, a high water absorption membrane and a filtering membrane are sequentially arranged in the filtering device from front to back along the flowing direction of the wind flow, a drain pipe is arranged below the high water absorption membrane of the filtering device, and the drain pipe is communicated with the outside.
Preferably, the spiral blades are provided with heating plates.
Preferably, the drying box body also comprises a tempering box body, a second drying box body and a cooling box body which are arranged between the first drying box body and the discharge hole in sequence, the second drying box body is provided with a plurality of second hot air inlets and a plurality of second cold air inlets, the cooling box body is provided with a third cold air inlet, the second hot air inlet and the second cold air inlet are arranged at intervals, the second hot air inlet is connected with the hot air blower, the second cold air inlet and the third cold air inlet are both connected with the air cooler, a second protective net with mesh aperture smaller than the grain diameter of the grain and oil crops to be dried is arranged at the second hot air inlet and the second cold air inlet of the second drying box body, and a third protection net with the mesh aperture smaller than the grain diameter of the grain and oil crops to be dried is arranged at the third cold air inlet of the cooling box body.
Preferably, the first hot air inlet comprises a first upper hot air inlet arranged at the upper part of the first drying box body and a first lower hot air inlet arranged at the lower part of the first drying box body; the second hot air inlet comprises a second upper hot air inlet arranged at the upper part of the second drying box body and a second lower hot air inlet arranged at the lower part of the second drying box body; the hot air blower comprises a first hot air blower and a second hot air blower, the first hot air blower is respectively connected with the first upper hot air inlet and the second upper hot air inlet through pipelines, the second hot air blower is connected with the first lower hot air inlet and the second lower hot air inlet through pipelines, the first upper hot air inlet and the first lower hot air inlet are vertically arranged oppositely, and the second upper hot air inlet and the second lower hot air inlet are vertically arranged oppositely.
Preferably, the first cold air inlet comprises a first upper cold air inlet arranged at the upper part of the first drying box body and a first lower cold air inlet arranged at the lower part of the first drying box body; the second cold air inlet comprises a second upper cold air inlet arranged at the upper part of the second drying box body and a second lower cold air inlet arranged at the lower part of the second drying box body; the air-cooler includes first air-cooler and second air-cooler, first air-cooler pass through the pipeline respectively with first go up the cold wind import with cold wind access connection on the second, the second air-cooler pass through the pipeline respectively with first cold wind import with cold wind access connection under the second, first go up the cold wind import with the vertical relative setting in first cold wind import, the cold wind import in the second with the vertical relative setting in cold wind import under the second, third cold wind import with first air-cooler and/or the second air-cooler is connected.
Preferably, the first pipeline is connected with the rotating shaft through a rotating connecting piece.
Preferably, the rotary connector is a rotary joint.
Preferably, the device also comprises a humidity detector, a controller, a feeding valve and a discharging valve, wherein the feeding valve is arranged at the feeding port, and the discharging valve is arranged at the discharging port; the utility model discloses a drying box, including the tempering box, the tempering box is including the tempering box inner wall, the controller, the feed inlet department the discharge outlet department, on the first drying box inner wall, on the tempering box inner wall on the second box inner wall with all be equipped with on the cooling box inner wall moisture detector, each moisture detector with controller communication connection, the controller respectively with first air heater first air-cooler the second air heater the second air-cooler the feed valve ejection of compact valve drive arrangement with air exhauster communication connection.
Compared with the prior art, the invention has the following technical effects:
according to the grain and oil crop drying device provided by the invention, after the grain and oil crops to be dried are loaded from the feeding hole, the grain and oil crops are conveyed to the discharging hole through the spiral conveying effect of the stirring screw rod, the grain and oil crops are stirred and do spiral motion in the drying box body by the stirring screw rod, and the motion of the grain and oil crops in the drying box body is beneficial to the drying of the grain and oil crops. The first drying box body is provided with a plurality of first hot air inlets and a plurality of first cold air inlets, the hot air blower generates hot air, the hot air enters the drying box body through the first hot air inlets to dry grain and oil crops, the cold air blower generates cold air and enters the drying box body through the first cold air inlets to cool the dried and heated grain and oil crops, the first hot air inlets and the first cold air inlets are arranged at intervals, so that the grain and oil crops in the first drying box body cannot be continuously heated in the heating and drying process, the grain and oil crops are cooled under the action of the cold air after being heated and heated every time, the temperature of the introduced hot air and the temperature of the introduced cold air can be adjusted, the cold air can be set to be at a normal temperature, the heated grain and oil can have a certain tempering process, the moisture and heat exchange between grain and oil crop particles or between the inside and the outside of the particles is realized, and the drying of the. And the pivot is the cavity pivot, is equipped with the air vent that the aperture is less than the grain diameter of the grain and oil crop of treating drying in the pivot, and the air vent communicates inside drying cabinet and the pivot, and the pivot is connected with the air exhauster behind the water trap, can use the air exhauster to promote the evaporation and the discharge of the moisture after the grain and oil crop is heated, immediately discharges the moisture in the drying cabinet, avoids the moisture after the grain and oil crop is heated the evaporation to influence follow-up grain and oil's drying, improves grain and oil drying efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a drying apparatus for grain and oil crops according to the present invention;
FIG. 2 is an enlarged, fragmentary schematic view of the grain and oil crop drying apparatus A of FIG. 1;
in the figure: 1-drying oven; 11-a first drying cabinet; 111-a first hot air inlet; 1111-a first upper hot air inlet; 1112-a first lower hot air inlet; 112-a first cold air inlet; 1121-first upper cold air inlet; 1122-a first lower cold air inlet; 113-a first protective net; 12-tempering the container body; 13-a second drying cabinet; 131-a second hot air inlet; 1311-a second upper hot air inlet; 1312-a second lower hot air inlet; 132-a second cold air inlet; 1321-a second upper cold air inlet; 1322-a second lower cold air inlet; 133-a second protective net; 14-a cooling box body; 141-a third cold air inlet; 142-a third protective mesh; 2-stirring screw; 21-a rotating shaft; 211-a vent; 22-helical blades; 3-a feed inlet; 4-a discharge hole; 51-a first air heater; 52-second air heater; 61-a first air cooler; 62-a second air cooler; 7-a water removal device; 71-a first conduit; 72-vibrating wire grid; 73-a dust hopper; 731-dust exhaust valve; 74-a water collecting hopper; 741-a drain valve; 8-an exhaust fan; 81-a second conduit; 9-a filtration device; 91-super absorbent film; 92-a filter membrane; 93-drain pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a grain and oil crop drying device with good and uniform drying effect, so as to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
The embodiment provides a grain and oil crop drying device, as shown in fig. 1-2, comprising a drying oven 1 and a stirring screw 2, wherein a feeding port 3 is arranged at the upper part of one end of the drying oven 1, a discharging port 4 is arranged at the lower part of the other end of the drying oven 1, the drying oven 1 comprises a first drying oven body 11 arranged between the feeding port 3 and the discharging port 4, a plurality of first hot air inlets 111 and a plurality of first cold air inlets 112 are arranged on the first drying oven body 11, the first hot air inlets 111 and the first cold air inlets 112 are arranged at intervals, namely, a first cold air inlet 112 is arranged between two adjacent first hot air inlets 111, a first hot air inlet 111 is arranged between two adjacent first cold air inlets 112, each first hot air inlet 111 is connected with an air heater, each first cold air inlet 112 is connected with an air cooler, and a first protective net 113 with the mesh aperture smaller than the grain and oil crop to be dried is arranged at the first hot air inlet 111 and the first cold air inlet 112 of the first drying box body 11; stirring screw 2 includes pivot 21 and helical blade 22, pivot 21 transversely sets up in drying cabinet 1 and forms to rotate with drying cabinet 1 and be connected, helical blade 22 spiral fixed connection is used for the screw propulsion to treat dry grain and oil crop outside pivot 21, pivot 21 is the cavity pivot, and be equipped with the air vent 211 that the aperture is less than the particle diameter of treating dry grain and oil crop on the pivot 21, air vent 211 communicates inside 1 of drying cabinet and the pivot 21, the one end of pivot 21 is sealed, the other end stretches out drying cabinet 1, pivot 21 confined one end is connected with a drive arrangement, drive arrangement drive pivot 21 rotates in order to carry grain and oil crop in drying cabinet 1, the one end that pivot 21 stretches out drying cabinet 1 is connected with dewatering device 7 through first pipeline 71, dewatering device 7 is connected with air exhauster 8 through second pipeline 81.
According to the grain and oil crop drying device provided by the embodiment, after the grain and oil crops to be dried are loaded from the feeding hole 3, the materials are conveyed to the discharging hole 4 through the spiral conveying effect of the stirring screw rod 2, the materials are stirred and do spiral motion by the stirring screw rod 2 in the drying box body 1, and the motion of the grain and oil crops in the drying box body 1 is beneficial to drying of the grain and oil crops. The first drying box 11 has a plurality of first hot air inlets 111 and a plurality of first cold air inlets 112, the hot air blower generates hot air, and enters the drying box body 1 through the first hot air inlet 111 to dry the grain and oil crops, the air cooler generates cold air and enters the drying box body 1 through the first cold air inlet 112 to cool the dried and heated grain and oil crops, the first hot air inlet 111 and the first cold air inlet 112 are arranged at intervals, make the inside grain and oil crop of first drying box 11 can not last the intensification at the in-process of heating drying, all can receive the cold wind effect and cool down after being heated the intensification at every turn, the temperature of the hot-blast and cold wind that let in is all adjustable, and cold wind can be set for the normal atmospheric temperature, makes the grain and oil crop after being heated can have certain tempering process, makes between the grain and oil crop granule or carries out damp and hot exchange between granule inside and the outside, and grain and oil crop is dry more even. And pivot 21 is the cavity pivot, and is equipped with the air vent 211 that the aperture is less than the grain diameter of the grain and oil crop of treating drying on pivot 21, and air vent 211 communicates inside drying cabinet 1 and pivot 21, and pivot 21 is connected with air exhauster 8 through dewatering device 7 back, can use air exhauster 8 to promote the evaporation and the discharge of the moisture of grain and oil crop after being heated, immediately discharges the moisture in the drying cabinet 1, avoids the moisture of grain and oil crop after being heated the evaporation to influence follow-up grain and oil drying, improves grain and oil crop drying efficiency.
The dewatering device 7 comprises a vibrating wire grid 72, a plurality of layers of vibrating wire grids 72 are arranged on a first pipeline 71, vibrating wire wires of the vibrating wire grids 72 which are arranged adjacently in front and back are mutually vertical, a dust hopper 73 and a water collecting hopper 74 are sequentially arranged on the first pipeline 71 from front to back below the vibrating wire grids 72 along the flowing direction of wind current, a dust exhaust valve 731 is arranged at the lower part of the dust hopper 73, and a water exhaust valve 741 is arranged at the lower part of the water collecting hopper 74.
The number of the vibrating wire grid 72 layers is 5-9, so that the effect of removing water vapor is achieved while dust is filtered, and water brought out by airflow is prevented from entering the air extractor to influence the normal operation of the air extractor 8. When the air containing dust flows through the vibrating wire grid 72, the dust is intercepted and retained by a water film on the vibrating wire, and the vibrating wire of the vibrating wire grid 72 generates high-frequency vibration under the action of air flow, so that the condensation effect between water drops and dust particles in the dust-containing air is enhanced, and the dust catching efficiency of fine dust is improved. Therefore, part of dust generated in the drying process of the grain and oil crops is captured by the liquid film on the vibrating wire grid 72, and then is absorbed by water drops on the vibrating wire, and the dust can also play a role in cleaning the vibrating wire grid 72 due to the sedimentation and the convergence of the self gravity into water flow; the other part of the dust is captured by the vibrating wire grid 72, the wet dust particles and water drops flow into the dust hopper 73 and the water collecting hopper 74 respectively along with the water flow, and are discharged through the dust discharge valve 731 and the water discharge valve 741, and the purified air flows to the exhaust fan 8.
The second pipeline 81 is also provided with a filtering device 9, a high water absorption film 91 and a filtering film 92 are sequentially arranged in the filtering device 9 from front to back along the flowing direction of the wind flow, a drain pipe 93 is arranged below the high water absorption film 91 of the filtering device 9, the drain pipe 93 is communicated with the outside, the filtering device 9 further removes dust and water from the air after dust and water are removed by the vibrating wire grid 72, and the normal work of the exhaust fan 8 and the quality of the air discharged by the exhaust fan 8 are ensured.
The drying box body 1 further comprises a tempering box body 12, a second drying box body 13 and a cooling box body 14 which are sequentially arranged between the first drying box body 11 and the discharge hole 4, a plurality of second hot air inlets 131 and a plurality of second cold air inlets 132 are arranged on the second drying box body 13, a third cold air inlet 141 is arranged on the cooling box body 14, the second hot air inlets 131 and the second cold air inlets 132 are arranged at intervals, the second hot air inlets 131 are connected with a hot air blower, the second cold air inlets 132 and the third cold air inlets 141 are both connected with an air cooler, a second protective net 133 with mesh apertures smaller than the grain and oil crop to be dried is arranged at the second hot air inlets 131 and the second cold air inlets 132 of the second drying box body 13, and a third protective net 142 with mesh apertures smaller than the grain and oil crop to be dried is arranged at the third cold air inlets 141 of the cooling box body 14.
According to the grain and oil crop drying device provided by the embodiment, the grain and oil crops are heated and dried in the first drying stage in the first drying box body 11, the grain and oil crops which are heated and dried in the first drying stage are tempered in the tempering box body 12, the phenomenon that the grain and oil crops are cracked due to overhigh surface temperature of the grains of the grain and oil crops is avoided, and then the grain and oil crops are heated and dried in the second drying stage in the second drying box body 13; the second drying stage is similar to the first drying stage in process, the grain and oil crops are heated and tempered at intervals, so that the phenomenon that the grain and oil crops are over-high in temperature and burst at waist is avoided, the heated water vapor can be released for a sufficient time, and the drying efficiency and the drying uniformity are improved. After the grain and oil crops after being heated and dried in the second drying stage enter the cooling box body 14 to be cooled, the grain and oil crops are output through the discharge port 4 to be dried.
The first hot air inlet 111 comprises a first upper hot air inlet 1111 arranged at the upper part of the first drying box body 11 and a first lower hot air inlet 1112 arranged at the lower part of the first drying box body 11; the second hot air inlet 131 includes a second upper hot air inlet 1311 provided at an upper portion of the second drying box 13 and a second lower hot air inlet 1312 provided at a lower portion of the second drying box 13; the hot air blower comprises a first hot air blower 51 and a second hot air blower 52, wherein the first hot air blower 51 is respectively connected with a first upper hot air inlet 1111 and a second upper hot air inlet 1311 through pipelines, the second hot air blower 52 is connected with a first lower hot air inlet 1112 and a second lower hot air inlet 1312 through pipelines, the first upper hot air inlet 1111 and the first lower hot air inlet 1112 are vertically arranged oppositely, and the second upper hot air inlet 1311 and the second lower hot air inlet 1312 are vertically arranged oppositely.
The first cold air inlet 112 includes a first upper cold air inlet 1121 formed at an upper portion of the first drying box 11 and a first lower cold air inlet 1122 formed at a lower portion of the first drying box 11; the second cold air inlet 132 includes a second upper cold air inlet 1321 provided at an upper portion of the second drying cabinet 13 and a second lower cold air inlet 1322 provided at a lower portion of the second drying cabinet 13; the air cooler comprises a first air cooler 61 and a second air cooler 62, the first air cooler 61 is respectively connected with a first upper cold air inlet 1121 and a second upper cold air inlet 1321 through pipelines, the second air cooler 62 is respectively connected with a first lower cold air inlet 1122 and a second lower cold air inlet 1322 through pipelines, the first upper cold air inlet 1121 and the first lower cold air inlet 1122 are vertically arranged oppositely, the second upper cold air inlet 1321 and the second lower cold air inlet 1322 are vertically arranged oppositely, a third cold air inlet 141 is arranged at the upper part and the lower part of the cooling box body, and the third cold air inlet 141 at the upper part of the cooling box body is connected with the first cold air blower 61 through a pipeline, the third cold air inlet 141 at the lower part of the cooling box body is connected with the second cold air blower 62 through a pipeline, but not limited to, the third cold air inlet 141 may be connected to one of the first air cooler 61 or the second air cooler 62.
The heating sheet is arranged on the helical blade 22, the grain and oil crops between the drying box 1 and the stirring screw rod 2 are heated by hot air introduced from the first hot air inlet 111 and the second hot air inlet 131 and the helical blade 22 in two directions, so that the grain and oil crops between the drying box 1 and the stirring screw rod 2 are heated from the inside and the outside, and the drying uniformity and the drying efficiency of the grain and oil crops are improved.
The first pipe 71 is connected to the rotary shaft 21 by a rotary connection member, so that the first pipe 71, the second pipe 81, the filter unit 9 and the suction fan 8 are prevented from rotating along the rotary shaft 21. Specifically, the rotating connecting piece is a rotary joint.
The grain and oil crop drying device provided by the embodiment further comprises a humidity detector, a controller, a feeding valve and a discharging valve, wherein the feeding valve is arranged at the feeding hole 3, and the discharging valve is arranged at the discharging hole 4; the feed inlet 3, the discharge outlet 4, the inner wall of the first drying box body 11, the inner wall of the tempering box body 12, the inner wall of the second box body 13 and the inner wall of the cooling box body 14 are respectively provided with a humidity detector, each humidity detector is in communication connection with a controller, and the controller is in communication connection with the first hot air blower 51, the first air cooler 61, the second hot air blower 52, the second air cooler 62, the feeding valve, the discharging valve, the driving device and the exhaust fan 8 respectively.
When the grain and oil crop drying device provided by the embodiment is used for drying the grain and oil crops, after a certain amount of grain and oil crops are added, the feeding valve is closed, and the drying treatment is performed on the grain and oil crops in the batch. If the humidity detector detects that the humidity of the grain and oil crops at the discharge port does not reach the standard, the discharge port 4 is closed, the controller controls the driving device to reversely drive the rotating shaft 21 to rotate, so that the oil crops move reversely in the drying box body 1, the heating and drying of the oil and grain crops are continued until all the moisture detectors detect that the moisture reaches the drying standard, the first hot air blower 51, the first cold air blower 61, the second hot air blower 52 and the second cold air blower 62 are closed through the controller to stop drying the grain and oil crops, or only the first hot air blower 51 and the second hot air blower 52 can be closed, the first cold air blower 61 and/or the second cold air blower 62 are/is opened, and cooling the grain and oil crops, controlling the driving device to convey the grain and oil crops to the discharge port 4, and outputting the dried grain and oil crops to the grain and oil crop drying device to finish the drying of the grain and oil crops of the batch.
It should be noted that the drying device for grain and oil crops provided by the invention is not limited to the arrangement of the first hot air inlet, the first cold air inlet, the second hot air inlet, the second cold air inlet and the third cold air inlet on the upper part and the lower part of the drying box body, and the first hot air inlet can also be simultaneously arranged on two opposite side surfaces of the drying box body, so that the grain and oil crops in the first box body can be heated and dried by hot air in two opposite directions, and the drying uniformity of the grain and oil crops can be further improved; similarly, the first cold air inlet, the second hot air inlet, the second cold air inlet and the third cold air inlet can also be arranged on two opposite side surfaces of the drying box body so as to further improve the drying or cooling uniformity of the grain and oil crops.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A grain and oil crop drying device is characterized by comprising:
the drying box comprises a first drying box body arranged between the feed port and the discharge port, the first drying box body is provided with a plurality of first hot air inlets and a plurality of first cold air inlets, the first hot air inlets and the first cold air inlets are arranged at intervals, the first hot air inlets are connected with a hot air blower, the first cold air inlets are connected with an air cooler, and the first drying box body is provided with a first protective net with a mesh aperture smaller than the grain diameter of the grain and oil crops to be dried at the positions of the first hot air inlets and the first cold air inlets; the stirring screw comprises a rotating shaft and a spiral blade, the rotating shaft is transversely arranged in the drying box and is rotationally connected with the drying box, the spiral blade is spirally arranged outside the rotating shaft and is used for spirally propelling the grain and oil crops to be dried, the rotating shaft is a hollow rotating shaft, air vents with the aperture smaller than the particle size of the grain and oil crops to be dried are arranged on the rotating shaft, the air vents are communicated with the inside of the drying box and the inside of the rotating shaft, one end of the rotating shaft is closed, the other end of the rotating shaft extends out of the drying box, the closed end of the rotating shaft is connected with a driving device, one end of the rotating shaft extending out of the drying box is connected with a dewatering device through a first pipeline, and the dewatering device is connected with an exhaust fan through;
the dewatering device comprises vibrating wire grids, a plurality of layers of vibrating wire grids are arranged on the first pipeline, vibrating wire wires of the vibrating wire grids which are adjacently arranged in the front and the back are mutually vertical, a dust collecting hopper and a water collecting hopper are sequentially arranged below the vibrating wire grids from front to back along the flowing direction of wind current on the first pipeline, a dust discharging valve is arranged at the lower part of the dust collecting hopper, and a water discharging valve is arranged at the lower part of the water collecting hopper.
2. The grain and oil crop drying apparatus of claim 1, wherein: the second pipeline is provided with a filtering device, a high water absorption film and a filtering film are sequentially arranged in the filtering device from front to back along the flowing direction of the wind flow, a drain pipe is arranged below the high water absorption film of the filtering device, and the drain pipe is communicated with the outside.
3. The grain and oil crop drying apparatus of claim 1, wherein: and heating sheets are arranged on the spiral blades.
4. The grain and oil crop drying apparatus of claim 1, wherein: the drying box further comprises a tempering box body, a second drying box body and a cooling box body which are sequentially arranged between the first drying box body and the discharge port, a plurality of second hot air inlets and a plurality of second cold air inlets are formed in the second drying box body, a third cold air inlet is formed in the cooling box body, the second hot air inlets and the second cold air inlets are arranged at intervals, the second hot air inlets are connected with the hot air blower, the second cold air inlets and the third cold air inlets are connected with the air cooler, a second protective net with mesh apertures smaller than the grain and oil crops to be dried is arranged at the second hot air inlets and the second cold air inlets, and a third protective net with mesh apertures smaller than the grain and oil crops to be dried is arranged at the third cold air inlets of the cooling box body.
5. The grain and oil crop drying apparatus of claim 4, wherein: the first hot air inlet comprises a first upper hot air inlet arranged at the upper part of the first drying box body and a first lower hot air inlet arranged at the lower part of the first drying box body; the second hot air inlet comprises a second upper hot air inlet arranged at the upper part of the second drying box body and a second lower hot air inlet arranged at the lower part of the second drying box body; the hot air blower comprises a first hot air blower and a second hot air blower, the first hot air blower is respectively connected with the first upper hot air inlet and the second upper hot air inlet through pipelines, the second hot air blower is connected with the first lower hot air inlet and the second lower hot air inlet through pipelines, the first upper hot air inlet and the first lower hot air inlet are vertically arranged oppositely, and the second upper hot air inlet and the second lower hot air inlet are vertically arranged oppositely.
6. The grain and oil crop drying apparatus of claim 5, wherein: the first cold air inlet comprises a first upper cold air inlet arranged at the upper part of the first drying box body and a first lower cold air inlet arranged at the lower part of the first drying box body; the second cold air inlet comprises a second upper cold air inlet arranged at the upper part of the second drying box body and a second lower cold air inlet arranged at the lower part of the second drying box body; the air-cooler includes first air-cooler and second air-cooler, first air-cooler pass through the pipeline respectively with first go up the cold wind import with cold wind access connection on the second, the second air-cooler pass through the pipeline respectively with first cold wind import with cold wind access connection under the second, first go up the cold wind import with the vertical relative setting in first cold wind import, the cold wind import in the second with the vertical relative setting in cold wind import under the second, third cold wind import with first air-cooler and/or the second air-cooler is connected.
7. The grain and oil crop drying apparatus of claim 1, wherein: the first pipeline is connected with the rotating shaft through a rotating connecting piece.
8. The grain and oil crop drying apparatus of claim 7, wherein: the rotary connecting piece is a rotary joint.
9. The grain and oil crop drying apparatus of claim 6, wherein: the device also comprises a humidity detector, a controller, a feeding valve and a discharging valve, wherein the feeding valve is arranged at the feeding port, and the discharging valve is arranged at the discharging port;
the utility model discloses a drying device, including a first drying box, a tempering box, a controller, a feed inlet, discharge outlet, on the first drying box inner wall, on the tempering box inner wall, on the second drying box inner wall and all be equipped with on the cooling box inner wall moisture detector, each moisture detector with controller communication connection, the controller respectively with first air heater first air-cooler the second air heater the second air-cooler the feed valve ejection of compact valve drive arrangement with air exhauster communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174175.2A CN108489247B (en) | 2018-03-02 | 2018-03-02 | A grain and oil crop drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174175.2A CN108489247B (en) | 2018-03-02 | 2018-03-02 | A grain and oil crop drying device |
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| CN108489247A CN108489247A (en) | 2018-09-04 |
| CN108489247B true CN108489247B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810174175.2A Active CN108489247B (en) | 2018-03-02 | 2018-03-02 | A grain and oil crop drying device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111023784B (en) * | 2019-12-31 | 2021-04-09 | 南通瑞诚高分子材料有限公司 | Automatic dehumidification drying system of granule plastics granulation |
| CN112524888B (en) * | 2020-12-03 | 2022-03-22 | 塔里木大学 | A quick drying equipment for brown rice production and processing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4326433B2 (en) * | 2004-08-30 | 2009-09-09 | マスタニフード株式会社 | Drying equipment |
| CN205757008U (en) * | 2015-08-25 | 2016-12-07 | 重庆市开县钦穗粮油有限责任公司 | Raw grain drying device |
| CN107101480A (en) * | 2017-06-04 | 2017-08-29 | 芜湖市三山区绿色食品产业协会 | Cultivation general-purpose type feed drying device and its operating method |
| CN206847315U (en) * | 2017-06-06 | 2018-01-05 | 泉州市佳蒋信息科技有限公司 | A kind of tower-type grain drying machine |
| CN107449246A (en) * | 2017-07-28 | 2017-12-08 | 盐城市龙强机械制造有限公司 | A kind of rapidly and efficiently free of contamination baking room |
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