CN107860208B - Even drying device of corn layering - Google Patents

Even drying device of corn layering Download PDF

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Publication number
CN107860208B
CN107860208B CN201711088527.4A CN201711088527A CN107860208B CN 107860208 B CN107860208 B CN 107860208B CN 201711088527 A CN201711088527 A CN 201711088527A CN 107860208 B CN107860208 B CN 107860208B
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CN
China
Prior art keywords
filter screen
shell
casing
bottom plate
sides
Prior art date
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Active
Application number
CN201711088527.4A
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Chinese (zh)
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CN107860208A (en
Inventor
丁蒙蒙
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Yancheng Cross Machinery Manufacturing Co., Ltd.
Original Assignee
YANCHENG CROSS MACHINERY MANUFACTURING Co Ltd
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Application filed by YANCHENG CROSS MACHINERY MANUFACTURING Co Ltd filed Critical YANCHENG CROSS MACHINERY MANUFACTURING Co Ltd
Priority to CN201910990517.2A priority Critical patent/CN110631334B/en
Priority to CN201711088527.4A priority patent/CN107860208B/en
Publication of CN107860208A publication Critical patent/CN107860208A/en
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Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00Preservation of edible seeds, e.g. cereals
    • A23B9/08Drying; Subsequent reconstitution
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B15/00Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/08Parts thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/18Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/10Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a rice layered uniform drying device which comprises a shell, wherein a feed inlet and an upper support are arranged at the upper end of the shell, a rotating shaft, an upper rotating filter screen, a rotating shaft, fan blades and a brush rod are arranged on the upper support, the upper rotating filter screen consists of a first rotating sleeve, a second rotating sleeve, a torsion spring and a filter screen, a lower rotating filter screen is arranged in the middle of two sides in the shell, a lower support is arranged at the bottom of the shell, a filter screen bottom plate is arranged on the lower support, a blowing bottom plate, a guiding screen plate and an electric heating wire are arranged at the lower part of the shell, an air pump is arranged at the lower end of the shell, air injection pipelines are embedded into two sides of the shell, an upper cover is arranged at the. The invention can automatically and uniformly distribute materials, and can efficiently and uniformly dry grains and facilitate impurity removal by matching with the introduction of high-temperature gas.

Description

Even drying device of corn layering
Technical Field
The invention relates to a grain processing device, in particular to a layered uniform drying device for rice.
Background
The scope of the 'grain' is wide, and the 'grain' comprises rice, wheat, millet, soybean and other coarse cereals. The cereals include rice, wheat, millet, soybean, etc., and are mainly plant seeds and fruits. Is a traditional staple food for many asian people.
Cereals, not only refer to seeds of gramineous plants, but also can be roughly divided into three categories in China: the cereal: including rice (indica rice, japonica rice, rice), wheat (wheat, barley, oat, rye), corn, sorghum, millet, yellow rice, buckwheat, etc.; ② bean and bean products: comprises soybean, broad bean, pea, mung bean, small red bean, kidney bean, etc.; ③ potatoes: including sweet potato, also known as sweet potato or sweet potato, yam, taro, cassava, etc.
In the prior art, when grains are processed, particularly rice, wheat, millet, soybean and the like with shells need to be dried frequently and then are favorable for storage, and the mechanical drying of the grains has the problem of accumulation of a large amount of grains, so that the drying process needs to be promoted by matching with processes such as stirring and the like, but the drying efficiency is still influenced.
Disclosure of Invention
The invention aims to provide a rice layering and uniform drying device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
The utility model provides a rice layering even drying device, includes the casing, casing upper end middle part is run through and is provided with the feed inlet, it is provided with the upper bracket through the horizontal pole vertical welding in the feed inlet, it is provided with the pivot to rotate the connection between the upper bracket lower extreme, the pivot periphery rotates to connect and is provided with the last filter screen that rotates, go up to rotate the filter screen and comprise first rotating sleeve, second rotating sleeve, torsion spring and filter screen, first rotating sleeve with the crisscross rotation of second rotating sleeve agrees with the parcel and sets up in the pivot periphery, first rotating sleeve with connect between the second rotating sleeve and be provided with torsion spring, the equal symmetrical welding of rear side of second rotating sleeve front side and first rotating sleeve is provided with the filter screen, the middle part symmetry in the casing is articulated to be provided with down and rotates the filter screen, down rotate the filter screen with link to each other through torsion spring between the casing inner wall, the lower support opposite to the upper support is vertically welded at the bottom of the shell, a filter screen bottom plate is horizontally welded at the upper end of the lower support, a blowing bottom plate is horizontally welded at the periphery of the lower support at the lower part of the shell, a plurality of groups of through holes are uniformly distributed on the blowing bottom plate, a guide screen plate is welded at the upper end of the blowing bottom plate, two ends of the guide screen plate are inclined downwards, heating wires are annularly arranged between the blowing bottom plate and the bottom of the shell, an air pump is riveted at the lower end of the shell, air injection pipelines are symmetrically embedded in the inner walls at two sides of the shell, the lower ends of the air injection pipelines are communicated with the lower part of the blowing bottom plate, a plurality of groups of spray heads are symmetrically connected on the air injection pipelines and in the shell, an, the utility model discloses a welding jig, including outlet duct, sliding connecting rod, blind hole, brush pole, fan blade, casing both sides connection, outlet duct upper end inner wall is the radius platform form, outlet duct upper end bilateral symmetry embedding is provided with the blind hole, outlet duct upper end swing joint is provided with the valve gap, valve gap bilateral symmetry vertical welding is provided with the slip connecting rod, the slip connecting rod with the blind hole corresponds and the activity agrees with, slip connecting rod lower extreme with link to each other through the spring in the blind hole between the bottom, it is located to cover the upper end the peripheral welding of outlet duct is provided with the screen panel, radially rotate between the upper bracket upper portion and connect and be provided with the axis of rotation, the peripheral annular welding of axis of rotation is provided with the flabellum, the peripheral welding of axis of rotation is.
As a further scheme of the invention: the upper bracket is symmetrically arranged at the front side and the rear side in the feed inlet.
As a further scheme of the invention: the edge of the filter screen is movably matched with the inner wall of the shell.
As a further scheme of the invention: the lower rotating filter screen is two symmetrical filter screen plates which are movably matched with the inner wall of the shell, and the lower rotating filter screen is supported by a torsion spring to be kept horizontal.
As a further scheme of the invention: the edge of the bottom plate of the filter screen is matched with the inner wall of the shell.
As a further scheme of the invention: the air outlet end of the air pump penetrates through the bottom of the shell and is communicated with the shell, and a control circuit of the air pump is connected with the fixed circuit.
As a further scheme of the invention: the fan blades are arc-shaped thin sheets which are sequentially welded clockwise, and a plurality of groups of fan blades are horizontally distributed.
As a further scheme of the invention: the discharging pipe is respectively located on the upper rotating filter screen, on the lower rotating filter screen, above the filter screen bottom plate and above the edge of the guiding screen plate.
Compared with the prior art, the invention has the beneficial effects that: when the drying device is used, materials are put into the shell through the feeding hole, under the action of gravity, grains can be gradually pressed on the surface of the filter screen, the grains press the filter screen to rotate on the periphery of the rotating shaft through the first rotating sleeve and the second rotating sleeve along with the increase of the weight, so that the grains fall on the surface of the lower rotating filter screen, the lower rotating filter screen rotates relatively downwards from the middle part along with the increase of the grains on the surface of the lower rotating filter screen, and the materials are continuously dispersed downwards to the surface of the bottom plate of the filter screen, so that a large amount of grains can be automatically dispersed on the surfaces of the filter screen, the lower rotating filter screen and the bottom plate of the filter screen, the drying process is more uniform; in the material dispersing process, after impurities gradually fall down, the impurities are guided to two sides through the guide screen plate and can be discharged through the discharge pipes on two sides of the guide screen plate; the air pump is started to blow air into the shell, the electric heating wire is started to heat the air, the heated air is sprayed upwards through the blowing bottom plate, and the air is blown to different parts in the shell through the air injection pipelines on two sides, so that the design can achieve uniform air injection drying, the drying efficiency is effectively improved, and meanwhile, the design of the air injection pipelines can also achieve a heat preservation effect; the air current blows upwards and can blow remaining floating impurity and move the axis of rotation through the flabellum and rotate to the brush-holder stud can constantly rotate and twine and adsorb impurity, can prefilter impurity like this in order to reduce pollution.
Drawings
Fig. 1 is a schematic structural view of a rice layering and uniform drying device.
Fig. 2 is a schematic structural diagram of an upper bracket, a rotating shaft and an upper rotating filter screen in the rice layering and uniform drying device.
Fig. 3 is a schematic connection diagram of an air outlet pipe and a valve cover in the rice layering and uniform drying device.
in the figure: 1-housing, 2-feed inlet, 3-upper support, 4-rotating shaft, 5-upper rotating screen, 51-first rotating sleeve, 52-second rotating sleeve, 53-torsion spring, 54-screen, 6-lower rotating screen, 7-lower support, 8-screen bottom, 9-blowing bottom, 10-guiding screen, 11-heating wire, 12-air pump, 13-air-jet pipe, 14-upper cover, 15-air outlet pipe, 16-blind hole, 17-valve cover, 18-sliding connecting rod, 19-screen cover, 20-rotating shaft, 21-fan blade, 22-brush rod, 23-discharge pipe, 24-base.
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.
Referring to fig. 1 to 3, in the embodiment of the present invention, a rice layered uniform drying device includes a casing 1, a feeding port 2 is disposed through the middle of the upper end of the casing 1, an upper bracket 3 is vertically welded in the feeding port 2 through a cross bar, the upper bracket 3 is symmetrically disposed on the front and rear sides of the feeding port 2, a rotating shaft 4 is rotatably connected between the lower ends of the upper bracket 3, an upper rotating screen 5 is rotatably connected to the periphery of the rotating shaft 4, the upper rotating screen 5 is composed of a first rotating sleeve 51, a second rotating sleeve 52, a torsion spring 53 and a screen 54, the first rotating sleeve 51 and the second rotating sleeve 52 are alternately and rotatably fitted and wrapped around the periphery of the rotating shaft 4, the torsion spring 53 is connected between the first rotating sleeve 51 and the second rotating sleeve 52, the screen 54 is symmetrically welded on the front side of the second rotating sleeve 52 and the rear side of the first rotating sleeve 51, the edge of the filter screen 54 is movably matched with the inner wall of the shell 1, lower rotary filter screens 6 are symmetrically hinged at the middle parts of two sides in the shell 1, the lower rotary filter screens 6 are two symmetrical filter screen plates which are movably matched with the inner wall of the shell 1, the lower rotary filter screens 6 are connected with the inner wall of the shell 1 through torsion springs, the lower rotary filter screens 6 are supported and kept horizontal through the torsion springs, a lower support 7 which is opposite to the upper support 3 is vertically welded at the bottom of the shell 1, a filter screen bottom plate 8 is horizontally welded at the upper end of the lower support 7, the edge of the filter screen bottom plate 8 is matched with the inner wall of the shell 1, a blowing bottom plate 9 is horizontally welded at the periphery of the lower support 7 at the lower part of the shell 1, a plurality of groups of through holes are uniformly distributed on the blowing bottom plate 9, and a guide screen plate 10 is welded, the two ends of the guide screen plate 10 are inclined downwards, the heating wire 11 is annularly arranged between the blowing bottom plate 9 and the bottom of the shell 1, a control circuit of the heating wire 11 is connected with a fixed circuit, the lower end of the shell 1 is riveted with an air pump 12, the air outlet end of the air pump 12 penetrates through the bottom of the shell 1 and is communicated with the shell 1, the control circuit of the air pump 12 is connected with the fixed circuit, the inner walls of the two sides of the shell 1 are symmetrically embedded with air injection pipelines 13, the lower end of the air injection pipeline 13 is communicated with the lower part of the blowing bottom plate 9, a plurality of groups of spray heads are symmetrically connected on the air injection pipelines 13 and in the shell 1, the upper end of the feed inlet 2 is movably connected with an upper cover 14 through screw thread fit, the middle part of the upper cover 14 is penetrated with an air outlet pipe 15, the inner wall of the, the upper end of the air outlet pipe 15 is movably connected with a valve cover 17, the lower end of the valve cover 17 is movably matched with the upper end of the air outlet pipe 15, sliding connecting rods 18 are symmetrically and vertically welded on two sides of the valve cover 17, the sliding connecting rods 18 correspond to and movably match the blind holes 16, the lower end of each sliding connecting rod 18 is connected with the bottom in the blind hole 16 through springs, a net cover 19 is welded on the periphery of the air outlet pipe 15 at the upper end of the upper cover 14, a rotating shaft 20 is radially and rotatably connected between the upper parts of the upper supports 3, fan blades 21 are annularly welded on the periphery of the rotating shaft 20, the fan blades 21 are arc-shaped sheets which are sequentially welded clockwise, a plurality of groups of fan blades 21 are horizontally distributed, a brush rod 22 is welded on the periphery of the rotating shaft 20, the brush rod 22 and the fan blades 21 are staggered, and a plurality, discharging pipe 23 is located respectively go up rotate filter screen 5 top down rotate filter screen 6 top filter screen bottom plate 8 top and guide otter board 10 edge top, 1 lower extreme bilateral symmetry welding of casing is provided with base 24.
The working principle of the invention is as follows: when the device is used, materials are put into the shell 1 through the feeding hole 2, under the action of gravity, grains are gradually pressed on the surface of the filter screen 54, the grains press the filter screen 54 to rotate on the periphery of the rotating shaft 4 through the first rotating sleeve 51 and the second rotating sleeve 52 along with the increase of the weight, and then fall on the surface of the lower rotating filter screen 6, the lower rotating filter screen 6 relatively rotates downwards from the middle along with the increase of the grains on the surface of the lower rotating filter screen 6, and the materials are continuously dispersed downwards onto the surface of the filter screen bottom plate 8, so that a large amount of grains can be automatically dispersed on the surfaces of the filter screen 54, the lower rotating filter screen 6 and the filter screen bottom plate 8, the drying process is more uniform, and the opening directions of the filter screen 54 and the; in the material dispersing process, after impurities gradually fall down, the impurities are guided to two sides through the guide screen plate 10 and can be discharged through the discharge pipes 23 on two sides of the guide screen plate 10; the air pump 12 is started to blow air into the shell 1, the electric heating wire 11 is started to heat the air, the heated air is sprayed upwards through the air blowing bottom plate 9, and meanwhile the air is respectively blown to different parts in the shell 1 through the air blowing pipelines 13 on the two sides, so that the design can not only uniformly spray air and dry the air, but also effectively improve the drying efficiency, and meanwhile, the design of the air blowing pipelines 13 can also play a role in heat preservation; the air flow blows upwards to blow up the residual floating impurities and rotate the rotating shaft 20 through the fan blades 21, so that the brush rod 22 can rotate continuously and wind and adsorb the impurities, and the impurities can be filtered preliminarily to reduce pollution; the air flow pushes the valve cover 17 and the sliding connecting rod 18 to ascend synchronously after passing through the air outlet pipe 15, and the air flow is discharged after passing through the mesh enclosure 19.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. The utility model provides a rice layering even drying device, includes casing (1), its characterized in that, casing (1) upper end middle part is run through and is provided with feed inlet (2), be provided with upper bracket (3) through horizontal pole vertical welding in feed inlet (2), upper bracket (3) symmetry sets up both sides around in feed inlet (2), it is provided with pivot (4) to rotate the connection between upper bracket (3) lower extreme, pivot (4) periphery rotates to be provided with and rotates filter screen (5), it comprises first rotating sleeve (51), second rotating sleeve (52), torsion spring (53) and filter screen (54) to go up to rotate filter screen (5), first rotating sleeve (51) with second rotating sleeve (52) crisscross rotation agrees with the parcel setting in pivot (4) periphery, first rotating sleeve (51) with connect between second rotating sleeve (52) and be provided with torsion spring (53), the second rotates cover (52) with the side of first rotation cover (51) all welds and is provided with filter screen (54), filter screen (54) edge with casing (1) inner wall activity agrees with, and two sets of filter screen (54) symmetry respectively set up second rotation cover (52) with the both sides of first rotation cover (51), both sides middle part symmetry is articulated in casing (1) and is provided with down rotation filter screen (6), down rotation filter screen (6) with still be connected with torsion spring between casing (1) inner wall, down rotation filter screen (6) for two of symmetry with the filter screen board that casing (1) inner wall activity agrees with, down rotation filter screen (6) support through torsion spring and keep the level, casing (1) bottom vertical welding be provided with lower carriage (7) that upper bracket (3) is relative, the horizontal welding of lower carriage (7) upper end is provided with filter screen bottom plate (8), the edge of the filter screen bottom plate (8) is matched with the inner wall of the shell (1), the lower part of the shell (1) is positioned at the periphery of the lower support (7) and is horizontally welded with a blowing bottom plate (9), a plurality of groups of through holes are uniformly distributed on the blowing bottom plate (9), the upper end of the blowing bottom plate (9) is welded with a guide screen plate (10), two ends of the guide screen plate (10) are inclined downwards, heating wires (11) are annularly arranged between the blowing bottom plate (9) and the bottom of the shell (1), the lower end of the shell (1) is riveted with an air pump (12), air injection pipelines (13) are symmetrically embedded into the inner walls of two sides of the shell (1), the lower ends of the air injection pipelines (13) are communicated with the lower part of the blowing bottom plate (9), a plurality of groups of spray nozzles are symmetrically connected onto the air injection pipelines (13) and into the shell (1), and the upper, the air outlet pipe (15) is arranged in the middle of the upper cover (14) in a penetrating connection mode, the inner wall of the upper end of the air outlet pipe (15) is in an inverted circular truncated cone shape, blind holes (16) are symmetrically embedded in the two sides of the upper end of the air outlet pipe (15), a valve cover (17) is movably connected to the upper end of the air outlet pipe (15), sliding connecting rods (18) are perpendicularly welded to the two sides of the valve cover (17) in a symmetrical mode, the sliding connecting rods (18) correspond to and movably fit with the blind holes (16), the lower end of each sliding connecting rod (18) is connected to the bottom of the corresponding blind hole (16) through springs, a mesh cover (19) is welded to the periphery of the air outlet pipe (15) at the upper end of the upper cover (14), a rotating shaft (20) is radially and rotatably connected to the upper portion of the upper support (3), fan blades (21) are, brush-holder stud (22) with flabellum (21) crisscross setting, flabellum (21) are clockwise welded arc thin slice in proper order, flabellum (21) horizontal distribution has the multiunit, casing (1) both sides are connected and are provided with multiunit discharging pipe (23), discharging pipe (23) are located respectively go up rotate filter screen (5) top down rotate filter screen (6) top filter screen bottom plate (8) top and guide otter board (10) edge top, casing (1) lower extreme bilateral symmetry welds and is provided with base (24).
2. The layered and uniform drying device for the rice as claimed in claim 1, wherein the air outlet end of the air pump (12) penetrates through the bottom of the casing (1) to be communicated with the casing (1), and the control circuit of the air pump (12) is connected with a fixed circuit.
CN201711088527.4A 2017-11-08 2017-11-08 Even drying device of corn layering Active CN107860208B (en)

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CN201910990517.2A CN110631334B (en) 2017-11-08 2017-11-08 Even drying device of corn layering
CN201711088527.4A CN107860208B (en) 2017-11-08 2017-11-08 Even drying device of corn layering

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CN109028896B (en) * 2018-07-03 2021-05-18 安徽辰宇机械科技有限公司 Double-circulation intelligent dryer and control method thereof
CN110369065B (en) * 2019-07-23 2021-01-08 安徽省田丰牧业科技有限公司 Crushing and drying device for crop fruits
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