CN110595157B - Grain dryer - Google Patents
Grain dryer Download PDFInfo
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- CN110595157B CN110595157B CN201910946082.1A CN201910946082A CN110595157B CN 110595157 B CN110595157 B CN 110595157B CN 201910946082 A CN201910946082 A CN 201910946082A CN 110595157 B CN110595157 B CN 110595157B
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- rotating plate
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
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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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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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
- F26B25/04—Agitating, stirring, or scraping devices
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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
- F26B25/22—Controlling the drying process in dependence on liquid content of 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
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/10—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
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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
- F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (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 provides a grain dryer, which comprises a floor mounting frame, wherein a cyclone drying mechanism is fixedly mounted on the mounting frame, the cyclone drying mechanism comprises a closed drying tank, a conveying component and a drying component, the closed drying tank is arranged on one side of a feeding hopper and is vertically arranged, the conveying component is used for uniformly scattering grains into the drying tank, the drying component is used for carrying out hot air suspension drying on the grains scattered into the drying tank, a discharging guide pipe communicated with the top of the upper tank is arranged at the top of the upper tank, the input end of the discharging guide pipe is communicated with the top of the upper tank, the output end of the discharging guide pipe is communicated with a cooling mechanism, a vertical feeding guide pipe communicated with the bottom of the lower tank is coaxially arranged at the bottom of the lower tank, the upper end of the feeding guide pipe is opened, the end of the; if the moisture content of the grain is higher, the grain after primary drying can be circularly and repeatedly input into the drying tank for drying for multiple times until the grain is completely dried and then discharged.
Description
Technical Field
The invention relates to a grain dryer, in particular to a grain dryer.
Background
China is a big agricultural country, rice, wheat and corn are grains mainly planted in China, the demand for agricultural machinery is increasing day by day and gradually develops towards the direction of mechanized planting, at the present stage, equipment such as a harvester, a rotary cultivator and a rice transplanter are used commonly, but a grain dryer cannot be widely used in late stage and is rooted, the existing common grain dryer has a complex structure, high cost and difficult maintenance, is generally applied to medium and large grain stations/grain warehouses, the use rate of the grain dryer is low and the economic benefit return rate is low for growers, so that the grain drying of the growers is realized by sun drying and natural air drying through large-area spreading, the labor intensity is high, the drying efficiency is low, and in order to solve the problems, the inventor designs a grain dryer with a smart structure, a simple principle, The internal circulation cyclone type small grain drying equipment is convenient to operate and use, is convenient to popularize and apply in common slices, and is time-saving and labor-saving.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the internal circulation cyclone type small grain drying equipment which is ingenious in structure, simple in principle, convenient to operate and use, convenient to popularize and apply in a common piece, time-saving and labor-saving mode.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The grain dryer comprises a floor mounting rack, a cyclone drying mechanism is fixedly mounted on the mounting rack,
cyclone drying mechanism including set up in the airtight drying tank of feed hopper one side and vertical arrangement, be used for evenly unrestrained transport component to the drying tank in with grain, be used for carrying out hot air suspension drying's drying component to the grain that falls to the drying tank in, the drying tank constitute by last jar body and lower tank connection, the top of going up jar body is provided with the discharging pipe rather than the switch-on, discharging pipe's input and the top switch-on of last jar body, output and cooling body switch-on, the coaxial vertical feeding pipe rather than the switch-on that is provided with in bottom of the lower jar body, feeding pipe upper end opening and this end extend to the inside of the lower jar body, the lower extreme is sealed, the output and the feeding pipe connection switch-on of outputting pipe.
The technical scheme is further improved and optimized.
The conveying component comprises a first circular rotating plate and a second circular rotating plate which are coaxially arranged in the lower tank body and have the same diameter, the first rotating plate is located above the second rotating plate and is arranged in a downward concave mode, the upper end of a feeding pipeline extends to the upper end face of the first rotating plate, the feeding pipeline is matched with and is used for supporting the first rotating plate in a rotating mode, a rectangular guide plate used for being connected with the first rotating plate and the second rotating plate is arranged between the first rotating plate and the second rotating plate, the length direction of the guide plate is parallel to the radial direction of the first rotating plate, the width direction of the guide plate is vertically arranged, one end of the guide plate extends to be flush with the outer circular face of the first rotating plate, the other end of the guide plate extends to be flush with the outer circular face of the feeding pipeline, and.
The technical scheme is further improved and optimized.
The drying component comprises an air blower communicated with the outer circular surface of the lower tank body, an annular flow guide cover I, a flow guide cover II, a flow guide cone and an annular heating plate, wherein the communicated part of the air blower is positioned below the rotating plate II, the annular flow guide cover I and the flow guide cover II are coaxially and fixedly sleeved outside the mounting cylinder body, the flow guide cone is coaxially and fixedly mounted on the upper end surface of the end cover, the annular heating plate is coaxially arranged between the inner circular surface of the flow guide cover I and the outer circular surface of the mounting cylinder body, the flow guide cover I is positioned below the flow guide cover II and fixedly connected with the flow guide;
the first flow guide cover comprises an outer ring plate I fixedly attached to the inner wall of the drying tank, an inner ring plate I fixedly attached to the outer circular surface of the heating plate, and a rectangular straight guide plate arranged between the outer ring plate I and the inner sliding plate and used for connecting the outer ring plate I and the inner sliding plate I, the straight guide plates are arranged along the radial direction of the outer ring plate I, one end of each straight guide plate is fixedly connected with the inner circular surface of the outer ring plate I, the other end of each straight guide plate is fixedly connected with the outer circular surface of the inner ring plate I, and the straight guide plates are;
the flow guide cover II comprises an outer ring plate II which is coaxially fixed at the upper end of the outer ring plate I and is arranged at the same diameter as the outer ring plate I, an inner ring plate II which is coaxially fixed at the upper end of the inner ring plate I and is arranged at the same diameter as the inner ring plate II, and rectangular inclined guide plates which are arranged between the outer ring plate II and the inner ring plate II and are used for connecting the outer ring plate II and the inner ring plate II, wherein the length direction of each inclined guide plate is parallel to the radial direction of the outer ring plate II, one end of each inclined guide plate along the length direction is fixedly connected with the inner circular surface of the outer ring plate II, the other end of each inclined guide plate is fixedly connected with the outer circular surface of the inner ring plate II, the inclined guide plates are provided with a plurality of inclined guide plates and are in;
the heating plate is attached to the first air guide sleeve, and the first air guide sleeve and the second air guide sleeve are made of materials with good heat conducting performance.
The technical scheme is further improved and optimized.
The included angle between the inclined guide plate and the horizontal plane is more than 30 degrees and less than 60 degrees; more optimally, the included angle between the inclined guide plate and the horizontal plane is 45 degrees.
The technical scheme is further improved and optimized.
The auger upper end is provided with the acceleration rate drive assembly who is used for transmitting the rotary power of auger to rotor plate two for output and this output and rotor plate two between, the lower extreme of auger is the below that drive end and this end extend to the charge-in pipeline blind end, the conveying component still include fixed mounting the conveyor motor on the mounting bracket, the output shaft axial of conveyor motor is vertical to be arranged, be provided with the belt drive assembly who is used for connecting both between conveyor motor output shaft and the auger, belt drive assembly is speed reduction drive, belt drive assembly includes that coaxial fixed cover locates the driving pulley on the output motor output shaft, coaxial fixed cover locates the driven pulleys on the auger drive end and sets up and be used for being connected the belt between them between driving pulley and the driven pulleys.
The technical scheme is further improved and optimized.
The speed-increasing transmission component comprises an installation cylinder body which is coaxially arranged on the upper end surface of the rotating plate and is provided with an upward opening, the installation cylinder body is fixedly connected with the drying tank, an end cover matched with the installation cylinder body is arranged at the opening of the installation cylinder body, a speed-increasing shaft parallel to the axial direction of the packing auger is rotatably arranged between the eccentric position of the bottom of the installation cylinder body and the end cover, the output end of the packing auger movably penetrates into the mounting cylinder body and is coaxially and fixedly sleeved with a first driving gear, the step gear is coaxially and fixedly sleeved on the speed increasing shaft and comprises a first driven gear and a second driving gear which are arranged up and down, the diameter of the first driven gear is smaller than that of the second driving gear, the first driven gear is meshed with the first driving gear, the output end of the packing auger is coaxially and rotatably sleeved with a driven gear II, the driven gear II is coaxially and fixedly connected with the rotating plate I, and the driving gear II is meshed with the driven gear II.
The technical scheme is further improved and optimized.
The discharging mechanism is communicated with the cyclone drying mechanism and can receive the grains discharged from the cyclone drying mechanism; the discharging mechanism is provided with two output ends, one output end of the discharging mechanism is in a closed state, one output end of the discharging mechanism points to a stacking point of grains, the other output end of the discharging mechanism is connected and communicated with the input end of the cyclone drying mechanism, and the discharging mechanism is used for discharging the dried grains to the stacking point/is used for conveying the grains subjected to primary drying to the cyclone drying mechanism again for circular drying.
The technical scheme is further improved and optimized.
The discharging mechanism comprises a discharging guide pipe and a backflow channel which are arranged in a downward inclining mode, the discharging guide pipe and the backflow guide pipe are arranged in a mode that the output ports are far away from each other, the input ports are arranged in parallel, the discharging guide pipe and the backflow guide pipe form a V-shaped structure with a vertically downward opening, the output port of the backflow guide pipe is communicated with the feeding guide pipe, the output port of the discharging guide pipe points to a stacking point, and the input port of the discharging guide pipe and the input port of the backflow guide pipe are both arranged into rectangular openings with vertically upward openings;
an intermediate pipe which is communicated with the input port of the discharge conduit and the reflux conduit and is vertically arranged is arranged between the input port of the discharge conduit and the reflux conduit and the discharge port of the closed drying tank, a baffle plate used for plugging the input port of the discharge conduit or the input port of the reflux conduit is rotatably arranged in the intermediate pipe, and the baffle plate plugs the input port of the reflux conduit in an initial state.
The technical scheme is further improved and optimized.
And a second control motor is arranged outside the middle pipe, an output shaft of the second control motor is coaxially and fixedly connected with the rotating shaft of the baffle, the second control motor is a stepping motor, and the second control motor is controlled by a controller.
Compared with the prior art, the invention has the advantages of ingenious structure, simple principle, convenient operation and use, convenient popularization and application of common sheets, time and labor saving, and the hot air is blown into the drying tank from bottom to top through the matching of the air blower and the heating plate, so that the grains input into the drying tank are suspended, overturned and dried and are discharged along with the airflow of the hot air, and if the moisture content of the grains is higher, the grains after primary drying can be circularly and repeatedly input into the drying tank for drying for multiple times until the grains are completely dried and then discharged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a matching diagram of the feeding mechanism and the cyclone drying mechanism.
Fig. 4 is a schematic structural view of the feeding mechanism.
Fig. 5 is a schematic structural view of the cyclone drying mechanism.
Fig. 6 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 7 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 8 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 9 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 10 is a partial structural schematic view of the cyclone drying mechanism.
Fig. 11 is a partial structural schematic view of the cyclone drying mechanism.
Fig. 12 is a partial structural schematic view of the cyclone drying mechanism.
Fig. 13 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 14 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 15 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 16 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 17 is a schematic view of the internal structure of the cyclone drying mechanism.
Fig. 18 is a schematic view of the internal structure of the cyclone drying mechanism.
FIG. 19 is a view showing the cooling mechanism, the discharging mechanism, and the cyclone drying mechanism.
FIG. 20 is a view of the cooling mechanism in cooperation with the discharge mechanism.
Fig. 21 is a partial structural view of the cooling mechanism.
Fig. 22 is a schematic view of the internal structure of the discharge mechanism.
Fig. 23 is a matching view of the discharging mechanism and the cyclone drying mechanism.
Labeled as:
100. a mounting frame;
200. a feeding mechanism; 201. a feed hopper; 202. an output conduit; 203. connecting a conduit; 204. a valve; 205. controlling a first motor;
300. a cyclone drying mechanism; 310. a drying tank; 311. feeding the tank body; 312. a tank body is arranged; 313. a discharge pipeline; 314. a feed conduit; 320. a conveying member; 321. rotating a first plate; 322. a second rotating plate; 323. a guide plate; 324. a packing auger; 325. a conveying motor; 326. a belt drive assembly; 327a, mounting the cylinder; 327b, end cap; 327c, a speed increasing shaft; 328a, a first driving gear; 328b, a driven gear one; 329a and a driving gear II; 329b, a driven gear II; 330. a drying member; 331. a blower; 332. a first air guide sleeve; 332a, an outer ring plate I; 332b and a first inner ring plate; 332c, a straight guide plate; 333. a second air guide sleeve; 333a and an outer ring plate II; 333b, an outer ring plate II; 333c, an inclined guide plate; 334. a flow guide cone; 335. a heat generating plate;
400. a cooling mechanism; 401. a cooling channel; 402. an exhaust port; 403. a first sealing plate; 404. a heat dissipation port; 405. a second sealing plate; 406. a fan machine;
500. a discharge mechanism; 510. a discharge conduit; 520. a return line; 530. a control member; 531. butting pipelines; 532. a baffle plate; 533. and controlling a second motor.
Detailed Description
A grain dryer comprises a floor-type mounting frame 100, wherein a feeding mechanism 200, a cyclone drying mechanism 300, a cooling mechanism 400 and a discharging mechanism 500 are fixedly mounted on the mounting frame 100, the input end of the cyclone drying mechanism 300 is connected and communicated with the output end of the feeding mechanism 200, the output end of the cyclone drying mechanism 300 is connected and communicated with the input end of the cooling mechanism 400, the output end of the cooling mechanism 400 is connected and communicated with the input end of the discharging mechanism 500, the discharging mechanism 500 is provided with two output ends, one output end of the discharging mechanism 500 is in a closed state, one output end of the discharging mechanism 500 points to a stacking point of grains, the other output end of the discharging mechanism is connected and communicated with the input end of the cyclone drying mechanism 300, the feeding mechanism 200 is used for conveying grains to be dried into the cyclone drying mechanism 300, hot air is blown into the cyclone drying mechanism 300 from bottom to top to be used for suspending, overturning and drying the, the cooling mechanism 400 is used for cooling the dried grains, and the discharging mechanism 500 is used for discharging the dried grains to a stacking point/for conveying the grains subjected to primary drying again to the cyclone drying mechanism 300 for circular drying.
When the drying device is used, a user pours grains to be dried into the drying device from the input end of the feeding mechanism 200, the feeding mechanism 200 conveys the grains into the cyclone drying mechanism 300 from the output end of the feeding mechanism, the cyclone drying mechanism 300 conveys the grains from bottom to top and centrifugally and uniformly sprinkles the grains, meanwhile, the cyclone drying mechanism 300 blows hot air from bottom to top and overcomes the self-gravity of the grain particles to make the grain particles float, turn over and move upwards slowly, in the process, hot air uniformly dries grain particles and conveys the dried grain into the cooling mechanism 400 along with the airflow of the hot air, the cooling mechanism 400 discharges the hot air and cools the dried grain, the cooled grain is conveyed into the discharging mechanism 500, and if the moisture content of the grain subjected to primary drying is reduced to be below a safety value, the discharging mechanism 500 directly discharges the grain in the discharging mechanism from one output end to a stacking point; if the moisture content of the grain subjected to primary drying is reduced to below the safety value, the discharging mechanism 500 discharges the grain inside the discharging mechanism from the other output end to the input end of the cyclone drying mechanism 300, so that the grain is circularly dried in the cyclone drying mechanism 300, the cooling mechanism 400 and the discharging mechanism 500 for multiple times until the moisture content of the grain is reduced to below the safety value, and then the grain is discharged from the output end of the discharging mechanism 500 to a stacking point.
The feeding mechanism 200 comprises a feeding funnel 201 with openings at two ends and vertically arranged, a large opening of the feeding funnel 201 is positioned right above a small opening, an output conduit 202 vertically aligned with the small opening of the feeding funnel 201 is arranged below the feeding funnel 201, the output conduit 202 is obliquely arranged, an input end of the output conduit is positioned above an output end, an output end of the output conduit 202 is connected and communicated with an input end of the cyclone drying mechanism 300, a vertical connecting conduit 203 for connecting and communicating the input end of the output conduit 202 and the small opening of the feeding funnel 201 is arranged between the input end of the output conduit 202 and the small opening of the feeding funnel 201, in order to control the feeding funnel 201 to discharge grains inside the feeding funnel downwards to the output conduit 202, a rotary control valve 204 is arranged on the connecting conduit 203, the valve 204 is used for controlling the connection and disconnection of the connecting conduit 203 in an initial state, in order to control the valve 204, a control end of the valve 204, the first control motor 205 is a stepper motor and is connected to the controller.
In the working process of the feeding mechanism 200, a user pours grains to be dried into the feeding funnel 201, if the grains in the feeding funnel 201 need to be conveyed to the input end of the cyclone drying mechanism 300, the user controls the driving control motor 205 through the controller, the output end of the control motor 205 drives the control end of the valve 204 to rotate, the valve 204 enables the inside of the connecting conduit 203 to be communicated, at the moment, the feeding funnel 201 is communicated with the output conduit 202, the grains vertically move downwards through the small opening of the feeding funnel 201 under the action of self gravity and flow into the output conduit 202 through the connecting conduit 203, the grain in the output conduit 202 is guided into the input end of the cyclone drying mechanism 300 through the output conduit 202, and then the cyclone drying mechanism 300 performs drying treatment on the grains.
The cyclone drying mechanism 300 comprises a closed drying tank 310 which is arranged on one side of the feeding funnel 201 and is vertically arranged, a conveying member 320 for uniformly scattering grains into the drying tank 310, and a drying member 330 for performing hot air suspension drying on the grains scattered into the drying tank 310, wherein the drying tank 310 is formed by connecting an upper tank body 311 with a lower tank body 312, a discharging conduit 313 communicated with the top of the upper tank body 311 is arranged at the top of the upper tank body 311, the input end of the discharging conduit 313 is communicated with the top of the upper tank body 311, the output end of the discharging conduit 313 is communicated with the cooling mechanism 400, a vertical feeding conduit 314 communicated with the bottom of the lower tank body 312 is coaxially arranged at the bottom of the lower tank body 312, the upper end of the feeding conduit 314 is open, the end extends into the lower tank body 312, the lower end is closed, and the output end of the discharging conduit 202 is communicated with.
In order to uniformly scatter the grains in the feeding conduit 314 into the drying tank 310 from bottom to top, the conveying member 320 includes a first circular rotating plate 321 and a second rotating plate 322 which are coaxially disposed inside the lower tank 311 and have the same diameter, the first rotating plate 321 is located above the second rotating plate 322, the second rotating plate 322 is recessed downwards, the upper end of the feeding conduit 314 extends to the upper end surface of the first rotating plate 321, the feeding conduit 314 is rotatably connected and matched with the first rotating plate 321, the feeding conduit 314 is used for supporting the first rotating plate 321, a rectangular guide plate 323 for connecting the first rotating plate 321 and the second rotating plate 322 is disposed between the first rotating plate 321 and the second rotating plate 322, the length direction of the guide plate 323 is vertically disposed in parallel to the radial direction and the width direction of the first rotating plate 321, one end of the guide plate 323 extends to be flush with the outer circumferential surface of the first rotating plate 321, and the other end extends, an auger 324 matched with the pipe diameter of the feeding pipeline 314 is coaxially and rotatably arranged between the first rotating plate 321 and the closed end of the feeding pipeline 314, grains in the feeding pipeline 314 are conveyed to a position between the first rotating plate 321 and the second rotating plate 322 through the auger 324, and the grains are enabled to uniformly scatter into the drying tank 310 through the rotation of the first rotating plate 321 and the second rotating plate 322.
Specifically, in order to simultaneously drive the second screw conveyer 324 and the second rotating plate 322 to rotate, the upper end of the screw conveyer 324 is an output end, and an acceleration transmission assembly for transmitting the rotary power of the screw conveyer 324 to the second rotating plate 322 is arranged between the output end and the second rotating plate 322, the lower end of the screw conveyer 324 is a driving end and extends to the lower part of the closed end of the feeding pipeline 314, in order to drive the screw conveyer 324, the conveying member 320 further comprises a conveying motor 325 fixedly installed on the installation frame 100, the output shaft of the conveying motor 325 is axially and vertically arranged, a belt transmission assembly 326 for connecting the output shaft of the conveying motor 325 and the screw conveyer 324 is arranged between the output shaft of the conveying motor 325 and the screw conveyer 324, the belt transmission assembly 326 is in deceleration transmission, the belt transmission assembly 326 comprises a driving pulley coaxially and fixedly sleeved on the output shaft of the output motor 325, a driven pulley coaxially and sleeved on the driving end, the auger 324 is driven to rotate by the conveying motor 325, the second rotating plate 322 is driven to rotate by the speed-increasing transmission assembly, and the speed-increasing transmission assembly aims to increase the rotating speed of the second rotating plate 322 and ensure that the grain can generate centrifugal motion.
More specifically, the speed-increasing transmission assembly includes an installation cylinder 327a coaxially disposed on the upper end surface of the first rotating plate 321 and having an upward opening, the installation cylinder 327a is fixedly connected to the drying tank 310, an end cover 327b matched with the opening of the installation cylinder 327a is disposed at the opening of the installation cylinder 327a, a speed-increasing shaft 327c parallel to the axial direction of the screw 324 is rotatably disposed between the bottom eccentric position of the installation cylinder 327a and the end cover 327b, the output end of the screw 324 movably penetrates through the inside of the installation cylinder 327a and is coaxially and fixedly sleeved with a first driving gear 328a, a step gear is coaxially and fixedly sleeved on the speed-increasing shaft 327c, the step gear includes a first driven gear 328b and a second driving gear 329a which are disposed up and down, the diameter of the first driven gear 328b is smaller than that of the second driving gear 329a, the first driven gear 328b is engaged with the first driving gear 328a, and a second driven gear 329b is, the driven gear 329b is coaxially and fixedly connected with the rotating plate 321, and the driving gear 329a is meshed with the driven gear 329 b.
During the operation of the conveying member 320, the conveying motor 325 is started, the belt transmission assembly 326 transmits the power of the output shaft of the conveying motor 325 to the auger 324 and drives the auger 324 to rotate at a low speed, the auger 324 rotates to convey the grains in the feeding pipeline 314 from bottom to top to between the first rotating plate 321 and the second rotating plate 322, during the process, the output end of the auger 324 drives the first driving gear 328a to rotate, the first driving gear 328a drives the first driven gear 328b to rotate at an increased speed, the first driven gear 328b drives the second driving gear 329a to rotate synchronously, the second driving gear 329a drives the second driven gear 329b to rotate at an increased speed, the first driven gear 329b drives the first rotating plate 321 to rotate synchronously, the first rotating plate 321 is driven by the increased speed transmission assembly to rotate at a high speed, and the grains between the first rotating plate 321 and the second rotating plate 322 rotate at a high speed to, and uniformly scattered into the drying tank 310 by the guide plate 333, and then the hot air suspension drying of the grains is performed by the drying member 330.
The drying component 330 comprises a blower 331 communicated with the outer circular surface of the lower tank 310, a first annular air guide cover 332 coaxially and fixedly sleeved outside the installation cylinder 327a, a second air guide cover 333, a flow guide cone 334 coaxially and fixedly installed on the upper end surface of the end cover 327b, and an annular heating plate 335 coaxially arranged between the inner circular surface of the first air guide cover 332 and the outer circular surface of the installation cylinder 327a, wherein the first air guide cover 332 is positioned below the second air guide cover 333 and fixedly connected with the same, the lower edge of the second air guide cover 333 is flush with the upper end surface of the first rotating plate 321, the first air guide cover 332 comprises a first outer circular plate 332a fixedly attached to the inner wall of the drying tank 310, a first inner circular plate 332b fixedly attached to the outer circular surface of the heating plate 335, and a rectangular straight guide plate 332c arranged between the first outer circular plate 332a and the inner sliding plate 332b for connecting the two, the straight guide plate 332c is arranged along the radial direction of the first outer circular plate 332a, and one end of the straight guide plate, The other end of the guide cover II is fixedly connected with the outer circular surface of the inner circular plate 332b, the straight guide plate 332c is provided with a plurality of outer circular plate II 333a which are coaxially fixed at the upper end of the outer circular plate I332 a and are arranged in an equal-diameter mode, the inner circular plate II 333b which is coaxially fixed at the upper end of the inner circular plate I332 b and is arranged in an equal-diameter mode, and the rectangular inclined guide plate 333c which is arranged between the outer circular plate II 333a and the inner circular plate II 333b and is used for connecting the outer circular plate II 333a and the inner circular plate II 333b, the length direction of the inclined guide plate 333c is parallel to the radial direction of the outer circular plate II 333a, one end of the inclined guide plate 333c in the length direction is fixedly connected with the inner circular surface of the outer circular plate II 333a, the other end of the inclined guide plate 333c is fixedly connected with the outer circular surface of the inner circular plate II 333b, the included angle between the, the inclined guide plates 333c are provided in plurality and correspond to the straight guide plates 332c one to one, the lower ends of the inclined guide plates 333c are fixedly connected to the upper ends of the straight guide plates 332c, and the sharp ends of the deflector cones 334 are arranged vertically upward and extend to the middle position of the upper tank 311 in the height direction.
Specifically, the heating plate 335 is attached to the first air guide sleeve 332, the first air guide sleeve 332 and the second air guide sleeve 333 are made of materials with good heat conduction performance, air blown upwards from the bottom of the drying tank 310 forms cyclone-shaped air flow through the cooperation of the first air guide sleeve 332 and the second air guide sleeve 333, meanwhile, the blown air and the first air guide sleeve 332 and the second air guide sleeve 333 exchange heat to form hot air, and the grain particles are dried through the hot air flow.
During the operation of the drying component 310, the blower 331 is started, the blower 331 blows the outside air into the drying tank 310 and flows from bottom to top, under the drainage action of the first air guide sleeve 332 and the second air guide sleeve 333, a cyclone-shaped hot air flow from bottom to top is formed in the drying tank 310, the hot air flow overcomes the gravity of the grain particles to enable the grain particles to be suspended and rolled and slowly move towards the discharge conduit 313, in the process, the hot air flow dries and dries the grain particles, and the dried grain particles are discharged into the cooling mechanism 400 through the discharge conduit 313 along with the hot air flow.
The cooling mechanism 400 comprises a rectangular cooling channel 401 which is vertically arranged and has an opening at the lower end, an output end of the discharge guide pipe 313 is horizontally arranged and is connected with one side surface of the cooling channel 401, a gas outlet 402 which is just opposite to the connection position is arranged on the other side surface of the cooling channel 401, a first sealing plate 403 which is matched with the gas outlet 402 and is equipped with a plurality of pores is arranged on the gas outlet 402, a heat dissipation port 404 is also arranged on the side surface of the cooling channel 401, the heat dissipation port 404 and the gas outlet 402 are positioned on the same side, the heat dissipation port 404 is positioned below the gas outlet 402, a second sealing plate 405 which is matched with the heat dissipation port 404 and is equipped with a plurality of pores is arranged on the heat dissipation port 404, the cooling mechanism 400 further comprises a fan 406 which is fixedly arranged on the mounting frame 100, and an air outlet of.
In the working process of the cooling mechanism 400, the dried grains in the drying tank 310 are discharged into the cooling channel 401 through the discharge conduit 313 along with the hot air flow, the air outlet 402 discharges the hot air flow outwards, the dried grains move downwards along the cooling channel 401, in the process, the fan 406 carries out heat dissipation treatment on the grains and the dissipated heat is discharged outwards through the heat dissipation opening 404, and the grains after being cooled fall into the discharging mechanism 500 through the lower port of the cooling channel 401.
The discharging mechanism 500 comprises a discharging conduit 510 and a backflow conduit 520 which are arranged downwards, wherein the discharging conduit 510 and the backflow conduit 520 are arranged in a manner that the output ports are far away from each other and the input ports are arranged in parallel, the discharging conduit 510 and the backflow conduit 520 form a V-shaped structure with a vertically downward opening, the output port of the backflow conduit 520 is connected and communicated with the feeding conduit 314, the output port of the discharging conduit 510 points to a stacking point, the input ports of the discharging conduit 510 and the backflow conduit 520 are both provided with rectangular openings with vertically upward openings, the input ports of the discharging conduit 510 and the backflow conduit 520 and the output port of the cooling conduit 401 are arranged in a vertically opposite manner, a butt joint pipeline 531 for connecting and communicating the input ports of the discharging conduit 510 and the backflow conduit 520 is arranged between the input ports, a baffle 532 for plugging the input port of the discharging conduit 510 or the input port of the backflow conduit 520 is rotatably arranged in the butt joint, in order to facilitate the control of the baffle 532, a second control motor 533 is disposed outside the docking conduit 531, an output shaft of the second control motor 533 is coaxially and fixedly connected with a rotation shaft of the baffle 532, the second control motor 533 is a stepping motor, and the second control motor 533 is controlled by a controller.
In the working process of the discharging mechanism 500, the grain output from the cooling channel 401 vertically moves downwards into the butt-joint pipeline 531, the baffle 532 blocks the return pipeline 520, so that the dried grain flows into the discharging pipeline 510 and is discharged to a stacking point through an output port of the discharging pipeline, if a user detects that the moisture content of the grain after primary drying processing does not reach below a safety value, at the moment, the user controls and starts the control motor II 533 by the controller, an output shaft of the control motor II 533 drives the baffle 532 to rotate, the baffle 532 blocks an input port of the discharging pipeline 510 and opens an input port of the return pipeline 520, at the moment, the grain after primary drying flows back into the feeding pipeline 314, and the cyclone drying mechanism 300, the cooling mechanism 400 and the return pipeline 520 are matched with each other to perform circulating drying processing on the grain until the moisture content of the grain is reduced to below a safe vertical level, and finally, the input port of the backflow pipeline 520 is blocked, the input port of the discharge pipeline 520 is opened, and the grain which reaches the standard after being dried for many times is output to a stacking point through the discharge pipeline 510.
Claims (4)
1. Grain drying-machine, its characterized in that: the drying device comprises a floor mounting frame, wherein a cyclone drying mechanism is fixedly mounted on the mounting frame, the cyclone drying mechanism comprises a closed drying tank, a conveying component and a drying component, the closed drying tank is vertically arranged on one side of a feeding funnel, the conveying component is used for uniformly scattering grains into the drying tank, the drying component is used for performing hot air suspension drying on the grains scattered into the drying tank, the drying tank is formed by connecting an upper tank body and a lower tank body, a discharge guide pipe communicated with the top of the upper tank body is arranged at the top of the upper tank body, the input end of the discharge guide pipe is communicated with the top of the upper tank body, the output end of the discharge guide pipe is communicated with a cooling mechanism, a vertical feeding guide pipe communicated with the bottom of the lower tank body is coaxially arranged at the bottom of the lower tank body, the upper end of the feeding guide pipe;
the conveying member comprises a first circular rotating plate and a second circular rotating plate which are coaxially arranged in the lower tank body and have equal diameters, the first rotating plate is positioned above the second rotating plate, the second rotating plate is arranged in a downward concave manner, the upper end of a feeding pipeline extends to the upper end face of the first rotating plate, the feeding pipeline is in rotating connection and matching with the first rotating plate, the feeding pipeline is used for supporting the first rotating plate, a rectangular guide plate for connecting the first rotating plate and the second rotating plate is arranged between the first rotating plate and the second rotating plate, the length direction of the guide plate is parallel to the radial direction of the first rotating plate, the width direction of the guide plate is vertically arranged, one end of the guide plate in the length direction extends to be flush with the outer circular face of the first rotating plate, the other end of the guide plate extends to be flush;
the drying component comprises an air blower communicated with the outer circular surface of the lower tank body, an annular flow guide cover I, a flow guide cover II, a flow guide cone and an annular heating plate, wherein the communicated part of the air blower is positioned below the rotating plate II, the annular flow guide cover I and the flow guide cover II are coaxially and fixedly sleeved outside the mounting cylinder body, the flow guide cone is coaxially and fixedly mounted on the upper end surface of the end cover, the annular heating plate is coaxially arranged between the inner circular surface of the flow guide cover I and the outer circular surface of the mounting cylinder body, the flow guide cover I is positioned below the flow guide cover II and fixedly connected with the flow guide;
the first flow guide cover comprises an outer ring plate I fixedly attached to the inner wall of the drying tank, an inner ring plate I fixedly attached to the outer circular surface of the heating plate, and a rectangular straight guide plate arranged between the outer ring plate I and the inner sliding plate and used for connecting the outer ring plate I and the inner sliding plate I, the straight guide plates are arranged along the radial direction of the outer ring plate I, one end of each straight guide plate is fixedly connected with the inner circular surface of the outer ring plate I, the other end of each straight guide plate is fixedly connected with the outer circular surface of the inner ring plate I, and the straight guide plates are;
the flow guide cover II comprises an outer ring plate II which is coaxially fixed at the upper end of the outer ring plate I and is arranged at the same diameter as the outer ring plate I, an inner ring plate II which is coaxially fixed at the upper end of the inner ring plate I and is arranged at the same diameter as the inner ring plate II, and rectangular inclined guide plates which are arranged between the outer ring plate II and the inner ring plate II and are used for connecting the outer ring plate II and the inner ring plate II, wherein the length direction of each inclined guide plate is parallel to the radial direction of the outer ring plate II, one end of each inclined guide plate along the length direction is fixedly connected with the inner circular surface of the outer ring plate II, the other end of each inclined guide plate is fixedly connected with the outer circular surface of the inner ring plate II, the inclined guide plates are provided with a plurality of inclined guide plates and are in;
the heating plate is attached to the first air guide sleeve, and the first air guide sleeve and the second air guide sleeve are made of materials with good heat conducting performance;
the conveying component also comprises a conveying motor fixedly installed on the installation frame, an output shaft of the conveying motor is axially and vertically arranged, a belt transmission component for connecting the output shaft of the conveying motor and the auger is arranged between the output shaft of the conveying motor and the auger, the belt transmission component is in speed reduction transmission and comprises a driving belt wheel coaxially and fixedly sleeved on the output shaft of the output motor, a driven belt wheel coaxially and fixedly sleeved on the driving end of the auger and a belt arranged between the driving belt wheel and the driven belt wheel and used for connecting the driving belt wheel and the driven belt wheel;
the speed-increasing transmission component comprises an installation cylinder body which is coaxially arranged on the upper end surface of the rotating plate and is provided with an upward opening, the installation cylinder body is fixedly connected with the drying tank, an end cover matched with the installation cylinder body is arranged at the opening of the installation cylinder body, a speed-increasing shaft parallel to the axial direction of the packing auger is rotatably arranged between the eccentric position of the bottom of the installation cylinder body and the end cover, the output end of the packing auger movably penetrates into the mounting cylinder body and is coaxially and fixedly sleeved with a first driving gear, the step gear is coaxially and fixedly sleeved on the speed increasing shaft and comprises a first driven gear and a second driving gear which are arranged up and down, the diameter of the first driven gear is smaller than that of the second driving gear, the first driven gear is meshed with the first driving gear, the output end of the auger is coaxially and rotatably sleeved with a driven gear II, the driven gear II is coaxially and fixedly connected with the rotating plate I, and the driving gear II is meshed with the driven gear II;
the discharging mechanism is communicated with the cyclone drying mechanism and can receive the grains discharged from the cyclone drying mechanism; the discharging mechanism is provided with two output ends, one output end of the discharging mechanism is in a closed state, one output end of the discharging mechanism points to a stacking point of the grains, the other output end of the discharging mechanism is connected and communicated with the input end of the cyclone drying mechanism, and the discharging mechanism is used for discharging the dried grains to the stacking point/is used for conveying the grains which are subjected to primary drying into the cyclone drying mechanism again for circular drying;
the discharging mechanism comprises a discharging guide pipe and a backflow channel which are arranged in a downward inclining mode, the discharging guide pipe and the backflow guide pipe are arranged in a mode that the output ports are far away from each other, the input ports are arranged in parallel, the discharging guide pipe and the backflow guide pipe form a V-shaped structure with a vertically downward opening, the output port of the backflow guide pipe is communicated with the feeding guide pipe, the output port of the discharging guide pipe points to a stacking point, and the input port of the discharging guide pipe and the input port of the backflow guide pipe are both arranged into rectangular openings with vertically upward openings;
an intermediate pipe which is communicated with the input port of the discharge conduit and the reflux conduit and is vertically arranged is arranged between the input port of the discharge conduit and the reflux conduit and the discharge port of the closed drying tank, a baffle plate used for plugging the input port of the discharge conduit or the input port of the reflux conduit is rotatably arranged in the intermediate pipe, and the baffle plate plugs the input port of the reflux conduit in an initial state.
2. The grain dryer of claim 1, wherein the angle between the inclined guide and the horizontal plane is greater than 30 ° and less than 60 °.
3. The grain dryer of claim 2, wherein the angle between the inclined guide and the horizontal plane is 45 °.
4. The grain dryer of claim 1, wherein: and a second control motor is arranged outside the middle pipe, an output shaft of the second control motor is coaxially and fixedly connected with the rotating shaft of the baffle, the second control motor is a stepping motor, and the second control motor is controlled by a controller.
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| CN201910946082.1A CN110595157B (en) | 2019-10-02 | 2019-10-02 | Grain dryer |
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| CN201910946082.1A CN110595157B (en) | 2019-10-02 | 2019-10-02 | Grain dryer |
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| CN110595157B true CN110595157B (en) | 2021-04-13 |
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| CN111678329B (en) * | 2020-06-20 | 2021-09-21 | 广西正丰建设集团有限公司 | Automatic drying and separating method for building sand and stone |
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| CN115286582B (en) * | 2021-12-24 | 2023-09-29 | 连云港贵科药业有限公司 | Preparation method of rosuvastatin calcium |
| CN114294938B (en) * | 2021-12-29 | 2022-09-16 | 山东源泉机械有限公司 | Formula of shedding corn drying device |
| CN115289805B (en) * | 2022-08-01 | 2023-07-21 | 中垦种业股份有限公司 | Wheat seed grain drying equipment and drying process thereof |
| CN117889640B (en) * | 2024-03-14 | 2024-05-17 | 中科瑞能(山东)科技有限公司 | Energy-saving grain drying bin based on waste heat recovery |
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Effective date of registration: 20210326 Address after: 343800 two phase of Wan An County Industrial Park, Ji'an, Jiangxi Applicant after: JIANGXI YIJIANGQIU GRAIN AND OIL Co.,Ltd. Address before: 230000 building 3, Xicheng garden, 198 Wangjiang West Road, Shushan District, Hefei City, Anhui Province Applicant before: Zhu Lei |
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