CN113180105B - Tower grain drying device - Google Patents
Tower grain drying device Download PDFInfo
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- CN113180105B CN113180105B CN202110142769.7A CN202110142769A CN113180105B CN 113180105 B CN113180105 B CN 113180105B CN 202110142769 A CN202110142769 A CN 202110142769A CN 113180105 B CN113180105 B CN 113180105B
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- grain
- accommodating bin
- conveying pipe
- tower
- drying device
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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
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
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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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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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
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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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 relates to the technical field of grain crop processing equipment, and discloses a tower-type grain drying device, which comprises a tower-type accommodating bin, wherein a conveying pipe is arranged on the outer side wall of the accommodating bin, a spiral lifting mechanism is arranged in the conveying pipe, and a grain inlet hopper which is detachably connected is arranged at the lower part of the conveying pipe; the upper end of the conveying pipe is communicated with the accommodating bin through a grain inlet channel, a first electric heating fan is arranged on the grain inlet channel, a grain collecting hopper is arranged in the middle of the accommodating bin, a grain flowing channel is arranged at the bottom of the grain collecting hopper, the grain flowing channel obliquely passes through the accommodating bin downwards, and a second electric heating fan is arranged on the grain flowing channel. The drying device is small in tower-shaped occupied area and convenient to maintain, the first electric heating fan and the second electric heating fan are respectively arranged in the grain feeding channel and the grain flowing channel, a hot blast stove for burning fuel is not needed, noise is low, energy consumption is low, environment pollution is avoided, when the humidity of grains is high or the quantity of grains is high, a plurality of sets of electric heating fans can be started at the same time, the heat energy utilization rate is higher, the drying efficiency is also higher, and the drying device has great popularization value and wide application prospect.
Description
Technical Field
The invention relates to the technical field of grain crop processing equipment, in particular to a tower-type grain drying device.
Background
Grain crops are the collective names of cereal crops (including rice, wheat, barley, oat, corn, millet, sorghum and the like), tuber crops (including sweet potato, cassava and the like), bean crops (including soybean, broad bean, pea, mung bean, small bean and the like), and the cultivated grain crops have rich nutrient contents of starch, protein, fat, vitamins and the like, so that the cultivated grain crops not only provide food and certain auxiliary foods for human beings to maintain the life, but also provide raw materials for the food industry and provide concentrated feed and most of coarse feed for animal husbandry, so that grain production is the basis of agriculture in most countries.
Aiming at the problem of difficult grain drying, a method of drying by adopting mechanical equipment is widely proposed and adopted, a large amount of hot air can be generated in a short time, and insect eggs can be killed by high-temperature treatment, so that the grain drying problem is well solved, but the grain drying method is characterized in that the grain is planted in a large quantity in a yield area like northeast China and North China, the grain is scattered, concentrated grain drying cannot be carried out or concentrated treatment cost is too high, the existing grain drying equipment is large in volume and occupies a large area, farmers purchase, introduction and placement and maintenance are difficult, meanwhile, the use requirement is gradually improved, such as high hope treatment efficiency, low working noise and low energy consumption, and the like, so that the problem is not solved for a long time.
Therefore, the technical field of grain crop processing equipment is in need of grain drying equipment with small occupied area, convenient maintenance, high efficiency, low noise and low energy consumption.
Disclosure of Invention
The grain drying equipment overcomes the defects of the prior art, has the advantages of small occupied area, convenient maintenance, high efficiency, low noise and low energy consumption.
The invention is realized by the following technical scheme:
the tower-type grain drying device comprises a tower-type accommodating bin, wherein a conveying pipe which is arranged in parallel with the accommodating bin is arranged on the outer side wall of the accommodating bin, a spiral lifting mechanism is arranged in the conveying pipe, and a grain inlet hopper which is detachably connected is arranged on one side, far away from the accommodating bin, of the lower part of the conveying pipe;
the upper end of the conveying pipe is communicated with the accommodating bin through a grain inlet channel, a first electric heating fan is arranged on the grain inlet channel, a grain collecting hopper fixedly connected with the inner side wall of the accommodating bin is arranged in the middle of the accommodating bin, a grain flowing channel is arranged at the bottom of the grain collecting hopper, the grain flowing channel obliquely penetrates out of the accommodating bin downwards, and a second electric heating fan is arranged on the grain flowing channel.
Further, one end of the grain flowing channel penetrating through the accommodating bin is communicated with the bottom end of the conveying pipe, and the position of the grain flowing channel on the conveying pipe is opposite to the position of the grain feeding hopper on the conveying pipe.
Further, a rotating column coaxial with the accommodating bin is arranged in the accommodating bin, an axial cavity is arranged in the rotating column, a plurality of stirring rods are arranged on the outer side wall of the rotating column, axial pipelines are arranged in the stirring rods, each axial pipeline is communicated with the axial cavity, and air spraying holes communicated with the axial pipeline are densely distributed on the stirring rods; the rotary column lower extreme is worn out from the collection grain fill middle part, the lateral wall that the rotary column worn out the collection grain fill is equipped with the pivoted first power unit of drive rotary column, the tip that the rotary column worn out the collection grain fill is equipped with the third electric heat fan, the output and the axial cavity of third electric heat fan are linked together.
Further, the first power mechanism comprises a rotating motor, a driving wheel is arranged at the output end of the rotating motor, a driven wheel is arranged on the outer side wall of the rotating column, and the driving wheel is in transmission connection with the driven wheel.
Furthermore, the driving wheel and the driven wheel are gears, and the driving wheel is in meshed connection with the driven wheel; or the driving wheel and the driven wheel are belt wheels, and the driving wheel is connected with the driven wheel through a belt or a synchronous belt.
Further, a plurality of the stirring rods are divided into a plurality of groups which are axially arranged along the rotary column and are equal in distance between adjacent groups, each group comprises a plurality of the stirring rods, and the stirring rods are circumferentially and uniformly distributed along the periphery of the rotary column.
Further, each stirring rod is connected with the side wall of the rotary column in a swinging way, a lifting cylinder coaxial with the rotary column is arranged on the periphery of the rotary column, lifting grooves are formed in positions, corresponding to the stirring rods, of the lifting cylinders, the width of each lifting groove in the circumferential direction of the lifting cylinder is matched with the diameter of the stirring rod, the length of each lifting groove in the axial direction of the lifting cylinder is greater than the diameter of the stirring rod, and a second power mechanism capable of driving the lifting cylinders to reciprocate up and down is arranged at the upper end of each lifting cylinder.
Further, the second power mechanism comprises a rotary table fixedly connected with the upper end face of the lifting cylinder, a connecting rod in rotary connection is arranged in the middle of the rotary table, a chuck is arranged at the lower end of the connecting rod, and the upper end of the connecting rod penetrates out of the top of the accommodating bin; one end of the connecting rod penetrating out of the top of the accommodating bin is provided with a driving assembly for driving the connecting rod to move along the axial direction.
Further, the driving assembly comprises a crankshaft positioned at the top of the accommodating bin, the connecting rod is in rotary connection with the middle section of the crankshaft, two ends of the crankshaft are in rotary connection with the top of the accommodating bin through shaft bases, and one end of the crankshaft is provided with a lifting motor for driving the crankshaft to rotate.
Further, an axial force bearing is sleeved on the connecting rod and is positioned between the turntable and the chuck.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention comprises a tower-type accommodating bin, wherein a conveying pipe which is arranged in parallel with the accommodating bin is arranged on the outer side wall of the accommodating bin, a spiral lifting mechanism is arranged in the conveying pipe, and a grain feeding hopper which is detachably connected is arranged on one side of the lower part of the conveying pipe away from the accommodating bin; the upper end of the conveying pipe is communicated with the accommodating bin through a grain inlet channel, a first electric heating fan is arranged on the grain inlet channel, a grain collecting hopper fixedly connected with the inner side wall of the accommodating bin is arranged in the middle of the accommodating bin, a grain flowing channel is arranged at the bottom of the grain collecting hopper, the grain flowing channel obliquely penetrates out of the accommodating bin downwards, and a second electric heating fan is arranged on the grain flowing channel. The tower drying device that this scheme was shown wholly is the tower shape, and occupation area is little, the maintenance is convenient, advances grain passageway and flows grain passageway and set up first electric heater and second electric heater respectively, need not to use the hot-blast furnace that burns fuel, and the noise is few, the energy consumption is low, still avoids polluting the environment, when grain humidity is great or the quantity is great, can open many sets of electric heater simultaneously, and heat utilization is higher, and drying efficiency is also higher, has very big spreading value and wide application prospect.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
fig. 2 is an enlarged view of a portion of fig. 1 in accordance with the present invention.
In the drawings, the reference numerals and corresponding part names:
1-accommodating bin, 11-support, 12-relief valve, 2-conveying pipe, 21-spiral lifting mechanism, 22-lifting motor, 23-grain feeding hopper, 31-grain feeding channel, 32-first electric heater, 33-grain flowing channel, 34-second electric heater, 35-grain collecting hopper, 4-rotating column, 41-driven wheel, 5-stirring rod, 51-air injection hole, 6-rotating motor, 61-driving wheel, 7-third electric heater, 8-lifting cylinder, 81-lifting groove, 9-lifting motor, 91-crankshaft, 92-shaft seat, 93-connecting rod, 94-turntable, 95-chuck and 96-axial force bearing.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
The tower grain drying device comprises a tower type accommodating bin 1, wherein a conveying pipe 2 which is arranged in parallel with the accommodating bin 1 is arranged on the outer side wall of the accommodating bin 1, a spiral lifting mechanism 21 is arranged in the conveying pipe 2, and a grain inlet hopper 23 which is detachably connected is arranged on one side, away from the accommodating bin 1, of the lower part of the conveying pipe 2; the upper end of the conveying pipe 2 is communicated with the accommodating bin 1 through a grain inlet channel 31, a first electric heating fan 32 is arranged on the grain inlet channel 31, a grain collecting hopper 35 fixedly connected with the inner side wall of the accommodating bin 1 is arranged in the middle of the accommodating bin 1, a grain flowing channel 33 is arranged at the bottom of the grain collecting hopper 35, the grain flowing channel 33 obliquely penetrates out of the accommodating bin 1 downwards, and a second electric heating fan 34 is arranged on the grain flowing channel 33. It will be appreciated that the grain flowing channel 33 may be a grain flowing groove, so that the dried grains flow out of the accommodating bin 1 or the primarily dried grains flow below the conveying pipe 2, and in order to make the second electric heating fan 34 exert better effect, the grain flowing channel 33 may be set as a grain flowing cavity, and specific applications may be reasonably selected according to practical situations.
It should be noted that the existing grain drying equipment has many defects, such as burning bran, coal, firewood, oil, natural gas, etc. under the hot blast stove to generate hot air, sucking the hot air out through the dry operation layer by using a big fan (note: grain always moves repeatedly in the grain tower during grain drying operation), the big fan discharges a lot of hot air and dust, the loss hot air is big, the noise is big, the pollution is big, and the cost is high. The tower grain dryer that this scheme was demonstrated need not to use the hot-blast furnace that burns fuel, and the noise is few, the energy consumption is low, still avoids polluting the environment, when the grain humidity is great or when quantity is great, can open many sets of electric heat fans simultaneously, and heat utilization ratio is higher, and drying efficiency is also higher.
Further, one end of the grain flowing channel 33 penetrating out of the accommodating bin 1 is communicated with the bottom end of the conveying pipe 2, and the position of the grain flowing channel 33 on the conveying pipe 2 is opposite to the position of the grain feeding hopper 23 on the conveying pipe 2. It can be understood that if the humidity of the grains before treatment is low or the quantity of the grains to be treated is small, the grain inlet hopper 23 can be disassembled without long-time cyclic treatment, and the grains after preliminary drying treatment can be directly output from the grain flowing channel 33 to the accommodating bin 1; if the humidity of the grain before treatment is higher or the quantity of the grain to be treated is more, the spiral lifting mechanism 21 can be started, so that the grain circularly moves in the conveying pipe 2 and the accommodating bin 1 and is dried for multiple times, the port of the grain feeding hopper 23 corresponding to the conveying pipe 2 is closed, a better drying effect can be realized, and the grain is prevented from staying on one side of the conveying pipe 2 close to the grain feeding hopper 23.
Example two
Further, a rotary column 4 coaxial with the accommodating bin 1 is arranged in the accommodating bin 1, an axial cavity is arranged in the rotary column 4, a plurality of stirring rods 5 are arranged on the outer side wall of the rotary column 4, axial pipelines are arranged in the stirring rods 5, each axial pipeline is communicated with the axial cavity, and the stirring rods 5 are densely distributed and communicated with the axial pipeline; the lower extreme of column spinner 4 wears out from collection grain fill 35 middle part, and the lateral wall that column spinner 4 worn out collection grain fill 35 is equipped with the first power unit of drive column spinner 4 pivoted, and the tip that column spinner 4 worn out collection grain fill 35 is equipped with third electric heat fan 7, and the output and the fumarole 51 that the axial cavity was linked together of third electric heat fan 7. It can be understood that this scheme is a further improvement of the primary scheme in the first embodiment, the rotary column 4 rotates under the drive of the first power mechanism, and carries each stirring rod 5 to stir grains, so as to promote hot air to enter into a grain gap and promote moisture to rise and lose, the rotary column 4 and the stirring rod 5 are hollow and are communicated with the third electric heating fan 7, and a plurality of air injection holes 51 are densely distributed on the surface of the stirring rod 5, so that hot air can directly act on grains at each position, and three sets of electric heating fans work together, so that efficient drying operation can be ensured.
Further, the first power mechanism comprises a rotating motor 6, a driving wheel 61 is arranged at the output end of the rotating motor 6, a driven wheel 41 is arranged on the outer side wall of the rotating column 4, and the driving wheel 61 is in transmission connection with the driven wheel 41. Further, the driving wheel 61 and the driven wheel 41 are gears, and the driving wheel 61 is in meshed connection with the driven wheel 41; alternatively, the driving pulley 61 and the driven pulley 41 are both pulleys, and the driving pulley 61 and the driven pulley 41 are connected by a belt or a timing belt. It should be noted that, for the transmission accuracy, gears and synchronous belts can be adopted, for the convenience of maintenance, belts can be adopted, and specific applications can be selected according to actual conditions as required.
Further, the plurality of stirring rods 5 are divided into a plurality of groups which are axially arranged along the rotary column 4 and are equal in distance between adjacent groups, each group comprises the plurality of stirring rods 5, and the plurality of stirring rods 5 are uniformly distributed along the circumferential circumference of the rotary column 4. It can be understood that the stirring rod 5 is divided into multiple layers, so that grains at various heights can be stirred and directly baked, and the stirring rods 5 in each layer are uniformly distributed circumferentially, so that the stirring rods 5 are uniformly stressed, and the service life of moving parts is prolonged.
Example III
Further, each stirring rod 5 is connected with the side wall of the rotary column 4 in a swinging way, a lifting cylinder 8 coaxial with the rotary column 4 is arranged on the periphery of the rotary column 4, lifting grooves 81 are formed in positions, corresponding to each stirring rod 5, of the lifting cylinder 8, the width of each lifting groove 81 in the circumferential direction of the lifting cylinder 8 is matched with the diameter of the stirring rod 5, the length of each lifting groove 81 in the axial direction of the lifting cylinder 8 is greater than the diameter of the stirring rod 5, and a second power mechanism capable of driving the lifting cylinder 8 to reciprocate up and down is arranged at the upper end of the lifting cylinder 8. It can be understood that this scheme is the another upgrade of the improvement scheme in embodiment two, and puddler 5 and column spinner 4 swing connection, and the lifter 8 drives puddler 5 up-and-down swing, and the grain that holds in the storehouse 1 just like this is stirred on the horizontal layer, is also stirred in the vertical direction, and the stoving effect is better, the processing speed is faster.
Further, the second power mechanism comprises a rotary table 94 fixedly connected with the upper end face of the lifting cylinder 8, a connecting rod 93 in rotary connection is arranged in the middle of the rotary table 94, a chuck is arranged at the lower end of the connecting rod 93, and the upper end of the connecting rod 93 penetrates out of the top of the accommodating bin 1; one end of the connecting rod 93 penetrating out of the top of the accommodating bin 1 is provided with a driving component for driving the connecting rod 93 to axially move. Further, the driving assembly comprises a crankshaft 91 positioned at the top of the accommodating bin 1, a connecting rod 93 is rotatably connected with the middle section of the crankshaft 91, two ends of the crankshaft 91 are rotatably connected with the top of the accommodating bin 1 through shaft seats 92, and one end of the crankshaft 91 is provided with a lifting motor 9 for driving the crankshaft 91 to rotate. It can be understood that, after the connecting rod 93 passes through the bin top, only axial reciprocating motion can be realized, in this embodiment, the crankshaft 91 and the motor are adopted for maintenance convenience and control cost, and in fact, the structures of the telescopic electric cylinder, the crank block and the like are also feasible, and specific application can be reasonably selected according to actual requirements and conditions.
Further, an axial force bearing 96 is sleeved on the connecting rod 93, and the axial force bearing 96 is located between the turntable 94 and the chuck 95. It will be appreciated that the provision of an axially stressed bearing reduces not only friction but also the reaction force received by the column 4 from the lifting cylinder 8.
In addition, if the diameter of the lifting cylinder 8 is larger than the outer diameter of the rotary column 4, the swinging height of the stirring rod 5 in the vertical direction can be enlarged, and a telescopic baffle can be arranged in a hole of the lifting cylinder 8, which is used for extending the stirring rod 5, so that grains are prevented from entering an interlayer.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be appreciated that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention, and do not indicate or imply that the components or mechanisms referred to must have a particular orientation, be configured and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
The foregoing detailed description of the preferred embodiments has been provided for the purpose of illustrating the general principles of the invention, and is recognized as a matter of course, not necessarily the preferred embodiment for practicing the invention, but rather the following claims should be construed as covering all such modifications, equivalents, alternatives, and improvements as may fall within the spirit and principles of the invention.
Claims (6)
1. The tower-type grain drying device is characterized by comprising a tower-type accommodating bin (1), wherein a conveying pipe (2) which is arranged in parallel with the accommodating bin (1) is arranged on the outer side wall of the accommodating bin (1), a spiral lifting mechanism (21) is arranged in the conveying pipe (2), and a grain feeding hopper (23) which is detachably connected is arranged on one side, far away from the accommodating bin (1), of the lower part of the conveying pipe (2);
the upper end of the conveying pipe (2) is communicated with the accommodating bin (1) through a grain inlet channel (31), a first electric heating fan (32) is arranged on the grain inlet channel (31), a grain collecting hopper (35) fixedly connected with the inner side wall of the accommodating bin (1) is arranged in the middle of the accommodating bin (1), a grain flowing channel (33) is arranged at the bottom of the grain collecting hopper (35), the grain flowing channel (33) obliquely penetrates out of the accommodating bin (1) downwards, and a second electric heating fan (34) is arranged on the grain flowing channel (33);
the device is characterized in that a rotating column (4) coaxial with the accommodating bin (1) is arranged in the accommodating bin (1), an axial cavity is formed in the rotating column (4), a plurality of stirring rods (5) are arranged on the outer side wall of the rotating column (4), axial pipelines are arranged in the stirring rods (5), the axial pipelines are communicated with the axial cavity, and air spraying holes (51) communicated with the axial pipelines are densely distributed on the stirring rods (5);
the lower end of the rotary column (4) penetrates out of the middle part of the grain collecting hopper (35), a first power mechanism for driving the rotary column (4) to rotate is arranged on the outer side wall of the rotary column (4) penetrating out of the grain collecting hopper (35), a third electric heating fan (7) is arranged at the end part of the rotary column (4) penetrating out of the grain collecting hopper (35), and the output end of the third electric heating fan (7) is communicated with the axial cavity;
each stirring rod (5) is in swing connection with the side wall of the rotary column (4), a lifting cylinder (8) coaxial with the rotary column (4) is arranged on the periphery of the rotary column (4), lifting grooves (81) are formed in positions, corresponding to the stirring rods (5), of the lifting cylinders (8), the width of each lifting groove (81) in the circumferential direction of the lifting cylinder (8) is matched with the diameter of the stirring rod (5), the length of each lifting groove (81) in the axial direction of the lifting cylinder (8) is larger than the diameter of the stirring rod (5), and a second power mechanism capable of driving the lifting cylinder (8) to reciprocate up and down is arranged at the upper end of the lifting cylinder (8);
the second power mechanism comprises a rotary table (94) fixedly connected with the upper end face of the lifting cylinder (8), a connecting rod (93) in rotary connection is arranged in the middle of the rotary table (94), a chuck is arranged at the lower end of the connecting rod (93), and the upper end of the connecting rod (93) penetrates out of the top of the accommodating bin (1); one end of the connecting rod (93) penetrating out of the top of the accommodating bin (1) is provided with a driving component for driving the connecting rod (93) to move along the axial direction;
the driving assembly comprises a crankshaft (91) positioned at the top of the accommodating bin (1), the connecting rod (93) is rotatably connected with the middle section of the crankshaft (91), two ends of the crankshaft (91) are rotatably connected with the top of the accommodating bin (1) through shaft seats (92), and one end of the crankshaft (91) is provided with a lifting motor (9) for driving the crankshaft (91) to rotate;
the diameter of the lifting cylinder (8) is larger than the outer diameter of the rotary column (4), and a telescopic baffle is arranged in a hole of the lifting cylinder (8) for the stirring rod (5) to extend out.
2. The tower-type grain drying device according to claim 1, wherein one end of the grain flowing channel (33) penetrating out of the accommodating bin (1) is communicated with the bottom end of the conveying pipe (2), and the position of the grain flowing channel (33) on the conveying pipe (2) is opposite to the position of the grain feeding hopper (23) on the conveying pipe (2).
3. The tower-type grain drying device according to claim 2, wherein the first power mechanism comprises a rotating motor (6), a driving wheel (61) is arranged at the output end of the rotating motor (6), a driven wheel (41) is arranged on the outer side wall of the rotating column (4), and the driving wheel (61) is in transmission connection with the driven wheel (41).
4. A tower-type grain drying device according to claim 3, wherein the driving wheel (61) and the driven wheel (41) are gears, and the driving wheel (61) is engaged with the driven wheel (41); or, the driving wheel (61) and the driven wheel (41) are belt wheels, and the driving wheel (61) and the driven wheel (41) are connected through a belt or a synchronous belt.
5. The tower-type grain drying device according to claim 4, wherein the stirring rods (5) are divided into a plurality of groups which are axially arranged along the rotary column (4) and are equally spaced from each other, each group comprises a plurality of stirring rods (5), and the stirring rods (5) are uniformly distributed along the circumferential circumference of the rotary column (4).
6. The tower-type grain drying device according to claim 5, wherein the connecting rod (93) is sleeved with an axial force bearing (96), and the axial force bearing (96) is located between the turntable (94) and the chuck (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110142769.7A CN113180105B (en) | 2021-02-02 | 2021-02-02 | Tower grain drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110142769.7A CN113180105B (en) | 2021-02-02 | 2021-02-02 | Tower grain drying device |
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| Publication Number | Publication Date |
|---|---|
| CN113180105A CN113180105A (en) | 2021-07-30 |
| CN113180105B true CN113180105B (en) | 2023-06-27 |
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| CN202110142769.7A Active CN113180105B (en) | 2021-02-02 | 2021-02-02 | Tower grain drying device |
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