CN112648806B - Air inlet device for green energy-saving grain dryer - Google Patents
Air inlet device for green energy-saving grain dryer Download PDFInfo
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- CN112648806B CN112648806B CN202011555554.XA CN202011555554A CN112648806B CN 112648806 B CN112648806 B CN 112648806B CN 202011555554 A CN202011555554 A CN 202011555554A CN 112648806 B CN112648806 B CN 112648806B
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- drying
- chamber
- dryer
- drying cylinder
- air
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- 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
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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 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
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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 or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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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
- F26B25/06—Chambers, containers, or receptacles
Abstract
The invention relates to the field of drying machine equipment, and discloses an air inlet device for a green energy-saving grain drying machine, which comprises a drying machine shell, a feeding pipeline, a drying machine driving case and a drying cylinder, wherein the drying machine shell is provided with a feeding hole; the middle part fixed mounting of drying chamber has a set of drying cylinder, be provided with the air-out row of the horn-shaped structure of two sets of symmetries in the drying chamber of drying cylinder upper and lower place outwards open the collection wind mouth that is equipped with two sets of semi-circular structures on the inner wall of drying cylinder co-altitude drying chamber, the one end intercommunication that the drying cylinder was kept away from in the collection wind mouth has the gas flow heat preservation chamber that sets up in the inner wall about the drying chamber, the outside intercommunication in the middle part of the upper and lower side of gas flow heat preservation chamber has the outside residual air back flow of side around the desiccator casing, and the tip of the residual air back flow of both sides around communicates jointly respectively has a set of setting in the outside pneumatic edulcoration chamber that corresponds the charge-in pipeline root of desiccator casing, and the spheroid of a set of hollow structure has been placed in the roll in the inside in pneumatic edulcoration chamber.
Description
Technical Field
The invention relates to the field of drying machine equipment, in particular to an air inlet device for a green energy-saving grain drying machine.
Background
Grain drying machine carries out the equipment of drying to grain, reduces grain's water content, is convenient for store and transport grain, has inhibited breeding of microorganism again simultaneously, and what present grain drying machine adopted is that the hot-blast furnace seat is as the heat source, provides the heat for grain drying machine.
Current grain drying machine energy resource consumption is big, and the temperature is not easily controlled, at the bottom of the heat conversion rate, to the hot-blast direct discharge after using, does not carry out recycle to it moreover to cause the waste of resource, moreover when carrying out the drying to grain, desiccator air inlet device is simple only lets in the platform of placing grain with the heat branch, can't carry out the drying of while omnidirectional to grain, and speed is slow, and work efficiency is low.
Disclosure of Invention
The invention aims to provide an air inlet device for a green energy-saving grain dryer, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an air inlet device for a green energy-saving grain dryer comprises a dryer shell, a feeding pipeline, a dryer driving case and a drying cylinder; the dryer casing is of a rectangular structure, and a casing door is hinged to the lower portion of the rear side wall of the dryer casing. The inside left side of desiccator casing is provided with the drive chamber, and inside right side is provided with the drying chamber, and the middle part fixed mounting of drying chamber has a set of drying cylinder, and the outside intercommunication in the middle part of the front and back side of drying cylinder has the charge-in pipeline of L type structure, will treat during dry grain imports the drying cylinder through charge-in pipeline. The utility model discloses a drying machine, including a drier casing, a set of desiccator drive machine case, a set of air inlet that takes a breath when the inside left middle part fixed mounting of driver's room has a set of desiccator drive machine case, and the left side of desiccator drive machine case extends to the outside of desiccator casing and outside intercommunication has a set of air inlet that is used for carrying out the operation of desiccator drive machine case to take a breath, be provided with the air-out row of the horn-shaped structure of two sets of symmetries in the drying chamber of the upper and lower side of drying cylinder, two sets of air-out row in opposite directions lateral wall middle part communicate respectively through the conveyer pipe of Z type structure drive indoor portion desiccator drive machine case on, the steam that produces when with the operation of desiccator drive machine case through the conveyer pipe is arranged towards the inside of drying cylinder and is carried to grain in the drying cylinder. And the conveying pipe is provided with an air valve for controlling the air flow in the conveying pipe.
The air collecting openings of two groups of semicircular structures are formed in the inner wall of the drying chamber with the same height of the drying cylinder outwards, and the tops of the two groups of air outlet rows are of arc-shaped structures, so that air output from the upper side and the lower side flows towards the left side and the right side of the drying cylinder in a mutual convection mode when passing through the drying cylinder and then enters the air collecting openings. One end of the air collecting opening, which is far away from the drying cylinder, is communicated with a gas flow heat preservation cavity arranged in the left inner wall and the right inner wall of the drying chamber, so that residual hot gas dried in the drying cylinder flows outwards up and down along the left side wall and the right side wall of the drying chamber, and a short-time heat preservation function is achieved.
The utility model discloses a drying machine, including the dryer casing, the top and bottom of gaseous flow heat preservation chamber outside intercommunication have the surplus gas back flow that distributes in the outside of dryer casing front and back side, the tip of the surplus gas back flow of front and back both sides communicates jointly respectively has a set of setting to correspond the pneumatic edulcoration chamber of charge-in pipeline root in the outside of dryer casing, and the surface in pneumatic edulcoration chamber sets up to the latticed structure that the aperture is less than grain, and the spheroid of a set of hollow structure is placed in the inside roll in pneumatic edulcoration chamber, the tip intercommunication of surplus gas back flow communicates to the inside in pneumatic edulcoration chamber, spheroidal lateral surface parcel has one deck rubber layer, carries gas through surplus gas back flow towards the inside in pneumatic edulcoration chamber to blow the spheroid and roll, then stir the grain that enters into the drying cylinder through pneumatic edulcoration chamber, then clear away some dust impurity that contain in the grain.
As a further scheme of the invention: the surface of the drying cylinder is provided with a latticed structure with the aperture smaller than the grain size.
As a further scheme of the invention: the inside of air inlet installs the filter screen.
As a further scheme of the invention: the tail end air outlet of the air outlet row is provided with an arc-shaped structure, so that air can be output in a dispersing mode.
As a further scheme of the invention: the longitudinal section of the gas flow heat preservation cavity is of a table structure, so that gas entering the gas flow heat preservation cavity can flow towards the upper side and the lower side of the gas flow heat preservation cavity conveniently.
As a further scheme of the invention: and a group of impurity collecting tanks are fixedly mounted on the side wall of the dryer shell under the pneumatic impurity removing cavity, and the falling dust removed from the pneumatic impurity removing cavity is collected through the impurity collecting tanks.
As a still further scheme of the invention: in order to further improve the temperature holding capacity in the drying chamber, the inner wall of the drying chamber is provided with heat-insulating cotton, and the outer ring of the shell of the dryer is provided with a group of vacuum layers, so that the multi-stage heat-insulating function is realized.
Compared with the prior art, the invention has the beneficial effects that: the grain drying device has the advantages that the air is simultaneously conveyed to the upper side and the lower side of the drying cylinder, so that the grain placed in the drying cylinder can be conveniently dried in all directions, and the grain drying speed can be greatly improved;
two groups of air collecting ports which can suck dried air into the air flowing heat preservation cavity are arranged on two sides of the drying cylinder, and then residual heat hot air flows in the air flowing heat preservation cavity, so that the air is discharged outwards and plays a heat preservation role in the drying chamber;
through inputing final combustion gas into the inside in the pneumatic edulcoration chamber of charge-in pipeline root, then the spheroid in the pneumatic edulcoration chamber of drive rolls to before drying in inputing grain into drying cylinder, carry out appropriate stirring to it through the spheroid, thereby detach the dust on the grain, and then utilize final gas to carry out the dust removal operation.
Drawings
Fig. 1 is an external three-dimensional structure schematic diagram of an air inlet device for a green energy-saving grain dryer.
Fig. 2 is a schematic view of the front view internal structure of an air intake device for a green energy-saving grain dryer.
Fig. 3 is a left side view structural schematic diagram of an air intake device for a green energy-saving grain dryer.
Wherein: the device comprises a dryer shell 10, a feeding pipeline 11, a dryer driving case 12, an air inlet 13, an impurity collecting tank 14, a pneumatic impurity removing cavity 15, a residual air return pipe 16, a driving chamber 17, a drying chamber 18, a drying cylinder 19, an air outlet row 20, a conveying pipe 21, a gas flow heat preservation cavity 23, an air collecting port 24, heat preservation cotton 25, a ball 26, an air valve 27, a rubber layer 28, a vacuum layer 29 and a shell door 30.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example one
Referring to fig. 1-3, an air intake device for a green energy-saving grain dryer includes a dryer casing 10, a feeding pipe 11, a dryer driving cabinet 12, and a drying cylinder 19; the dryer casing 10 is configured to be a rectangular structure, and a casing door 30 is hinged to the lower portion of the rear side wall of the dryer casing 10. The left side of the inside of the dryer shell 10 is provided with a driving chamber 17, the right side of the inside is provided with a drying chamber 18, the middle part of the drying chamber 18 is fixedly provided with a group of drying cylinders 19, and the surfaces of the drying cylinders 19 are arranged into a grid structure with the aperture smaller than the grain size. The middle parts of the front side and the rear side of the drying cylinder 19 are communicated with a feeding pipeline 11 with an L-shaped structure outwards, and grains to be dried are input into the drying cylinder 19 through the feeding pipeline 11. A set of dryer driving case 12 is fixedly installed in the middle of the left inside of the driving chamber 17, the left side of the dryer driving case 12 extends to the outside of the dryer casing 10 and is communicated with a set of air inlet 13 used for ventilating when the dryer driving case 12 operates, and a filter screen is installed inside the air inlet 13. The drying chamber 18 of the upper and lower part of the drying cylinder 19 is provided with two sets of symmetrical air outlet rows 20 with horn-shaped structures, the air outlet at the tail end of each air outlet row 20 is of an arc-shaped structure so as to output air in a dispersed manner, the middle parts of the opposite side walls of the two sets of air outlet rows 20 are respectively communicated to the drying machine driving case 12 in the driving chamber 17 through the conveying pipes 21 with Z-shaped structures, hot air generated when the drying machine driving case 12 runs is conveyed towards the inside of the drying cylinder 19 through the air outlet rows 20 through the conveying pipes 21, and therefore grain in the drying cylinder 19 is dried. The delivery pipe 21 is provided with a gas valve 27 for controlling the flow of gas inside the delivery pipe 21.
The inner wall of the drying chamber 18 with the same height as the drying cylinder 19 is provided with two sets of air collecting openings 24 with semicircular structures, and the tops of the two sets of air outlet rows 20 are arranged into arc-shaped structures, so that air output from the upper side and the lower side flows towards the left side and the right side of the drying cylinder 19 in a mutual convection mode when passing through the drying cylinder 19 and then enters the air collecting openings 24. The one end intercommunication that the drying cylinder 19 is kept away from to air-collecting opening 24 has the gas flow heat preservation chamber 23 that sets up in the inner wall about the drying chamber 18, and the longitudinal section of gas flow heat preservation chamber 23 sets up to the bench type structure, is convenient for flow the upper and lower side of the gas flow heat preservation chamber 23 with the gas that enters into in the gas flow heat preservation chamber 23 to the surplus hot gas after drying in the drying cylinder 19 outwards flows from top to bottom along the left and right sides lateral wall of drying chamber 18, plays the function of short duration heat preservation.
Example two
On the basis of the first embodiment, the middle parts of the upper and lower sides of the gas flowing heat preservation cavity 23 are outwardly communicated with the residual gas return pipes 16 distributed at the outer parts of the front and rear sides of the dryer casing 10, the end parts of the residual gas return pipes 16 at the front and rear sides are respectively and commonly communicated with a group of pneumatic impurity removal cavities 15 arranged at the outer parts of the dryer casing 10 and corresponding to the root parts of the feeding pipelines 11, the outer surface of each pneumatic impurity removal cavity 15 is of a grid structure with the aperture smaller than that of grains, a group of hollow spheres 26 are placed in the pneumatic impurity removal cavities 15 in a rolling manner, the end parts of the residual gas return pipes 16 are communicated with the pneumatic impurity removal cavities 15, the outer side surfaces of the spheres 26 are wrapped with a rubber layer 28, the residual gas return pipes 16 convey gas towards the inner parts of the pneumatic impurity removal cavities 15 so as to blow the spheres 26 to roll, and then the grains entering the drying cylinder 19 through the pneumatic impurity removal cavities 15 are stirred, then removing some dust impurities contained in the grains. And a group of impurity collecting grooves 14 are fixedly mounted on the side wall of the dryer shell 10 under the pneumatic impurity removing cavity 15, and the dust removed and dropped in the pneumatic impurity removing cavity 15 is collected through the impurity collecting grooves 14. In order to further improve the temperature holding capacity inside drying chamber 18, a multi-stage heat holding function is realized by providing heat insulating cotton 25 in the inner wall of drying chamber 18 and a set of vacuum layers 29 in the outer ring of dryer housing 10.
The working principle of the invention is as follows: when the pneumatic drying device is used, grains to be dried are input into the drying cylinder 19 through the left feeding pipeline 11 and the right feeding pipeline 11, then the drying machine driving case 12 is started to input hot air generated by the drying machine driving case into the air outlet row 20 through the upper conveying pipe 21 and the lower conveying pipe 21, then the grains in the drying cylinder 19 are subjected to up-and-down air convection type drying to be subjected to all-dimensional drying, then the dried gas is input into the gas flow heat preservation cavity 23 through the air collecting ports 24 on the left side and the right side, then the temperature outside the drying chamber 18 is kept by using the residual temperature of the hot air in the flowing process, then the gas continuously flows and is input into the pneumatic impurity removal cavity 15 through the residual air return pipe 16, and the grains entering the drying cylinder 19 are subjected to rough dust removal treatment by using the final gas flow.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (4)
1. An air inlet device for a green energy-saving grain dryer comprises a dryer shell (10), a feeding pipeline (11), a dryer driving case (12) and a drying cylinder (19); the dryer is characterized in that a set of drying cylinders (19) are fixedly mounted in the middle of each drying chamber (18), the middle parts of the front side and the rear side of each drying cylinder (19) are outwards communicated with a feeding pipeline (11) with an L-shaped structure, a set of dryer driving case (12) is fixedly mounted in the left middle of the interior of each driving chamber (17), the left side of each dryer driving case (12) extends to the outside of the dryer shell (10) and is outwards communicated with a set of air inlets (13) used for ventilating when the dryer driving case (12) operates, two sets of symmetrical air outlet rows (20) with horn-shaped structures are arranged in the drying chambers (18) above and below the drying cylinders (19), two sets of air-out row (20) lateral wall middle parts in opposite directions communicate respectively through conveyer pipe (21) of Z type structure on drive chamber (17) inside desiccator drive machine case (12), be provided with pneumatic valve (27) that are used for controlling the inside gas flow of conveyer pipe (21) on conveyer pipe (21), be located outwards open on the inner wall of drying cylinder (19) co-altitude drying chamber (18) and be equipped with two sets of semi-circular structure's collection wind mouth (24), the one end intercommunication that drying cylinder (19) were kept away from in collection wind mouth (24) has the gas flow heat preservation chamber (23) of setting in the inner wall about drying chamber (18), the upper and lower side middle part of gas flow heat preservation chamber (23) outwards communicates the residual gas back flow pipe (16) that distributes in desiccator casing (10) front and back side outside, and the tip of residual gas back flow back side (16) respectively communicates jointly has a set up a set of pneumatic impurity removal chamber (15) that correspond feed line (11) root outside desiccator casing (10) The outer surface of the pneumatic impurity removing cavity (15) is of a latticed structure with the aperture smaller than that of grains, a group of hollow spheres (26) are placed inside the pneumatic impurity removing cavity (15) in a rolling mode, the end portion of the residual gas return pipe (16) is communicated to the inside of the pneumatic impurity removing cavity (15), and the outer side face of each sphere (26) is wrapped with a rubber layer (28);
the surface of the drying cylinder (19) is set to be a latticed structure with the aperture smaller than the grain size;
the air outlet at the tail end of the air outlet row (20) is of an arc structure;
the longitudinal section of the gas flow heat preservation cavity (23) is of a table structure.
2. The air intake device for the green energy-saving grain dryer as claimed in claim 1, wherein a filter screen is installed inside the air inlet (13).
3. The air intake device for the green energy-saving grain dryer according to claim 1, wherein a group of impurity collecting grooves (14) are fixedly arranged on the side wall of the dryer casing (10) right below the pneumatic impurity removing cavity (15).
4. An air intake device for green energy-saving grain dryer according to any one of claims 1-3, characterized in that the inner wall of the drying chamber (18) is provided with heat insulation cotton (25), and the outer ring of the dryer shell (10) is provided with a group of vacuum layers (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011555554.XA CN112648806B (en) | 2020-12-24 | 2020-12-24 | Air inlet device for green energy-saving grain dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011555554.XA CN112648806B (en) | 2020-12-24 | 2020-12-24 | Air inlet device for green energy-saving grain dryer |
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| Publication Number | Publication Date |
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| CN112648806A CN112648806A (en) | 2021-04-13 |
| CN112648806B true CN112648806B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011555554.XA Active CN112648806B (en) | 2020-12-24 | 2020-12-24 | Air inlet device for green energy-saving grain dryer |
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2020
- 2020-12-24 CN CN202011555554.XA patent/CN112648806B/en active Active
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