CN115111888B - Self-adaptive precision control grain drying production device - Google Patents
Self-adaptive precision control grain drying production device Download PDFInfo
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- CN115111888B CN115111888B CN202210916891.XA CN202210916891A CN115111888B CN 115111888 B CN115111888 B CN 115111888B CN 202210916891 A CN202210916891 A CN 202210916891A CN 115111888 B CN115111888 B CN 115111888B
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- 238000001035 drying Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 88
- 238000009423 ventilation Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 14
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 5
- 235000013339 cereals Nutrition 0.000 description 59
- 241000209094 Oryza Species 0.000 description 12
- 235000007164 Oryza sativa Nutrition 0.000 description 12
- 235000009566 rice Nutrition 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
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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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- 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
-
- 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
-
- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a self-adaptive precisely-controlled grain drying production device, and belongs to the field of agricultural machinery. The device comprises a hot air blower and a cylinder body, wherein a feeding funnel, an air inlet pipe and an air outlet pipe are arranged on the cylinder body; the air inlet pipe and the air outlet pipe are respectively provided with a first control valve and a second control valve, and the production device further comprises: the first lifting plate is positioned in the cylinder body, and the peripheral side wall of the first lifting plate is in dynamic sealing connection with the inner wall of the cylinder body; the first lifting plate is provided with a feed inlet, and the feed hopper is in through connection with the feed inlet through a connecting hose; the peripheral side wall of the second lifting plate is in dynamic sealing connection with the inner wall of the cylinder body; and the driving device is used for driving the first lifting plate and the second lifting plate to be far away from or close to each other. The invention can change the size of the drying space, quicken the drying speed, avoid the problems of cracking, etc. of grains, and simultaneously can improve the drying quality and the production efficiency.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a self-adaptive precisely-controlled grain drying production device.
Background
After harvesting, the grain generally has higher moisture content, water is a necessary catalyst for respiratory movement, heat is generated by respiration, air of piled things does not circulate, the discharged heat cannot be well dispersed to form high temperature, and a large amount of bacteria and fungi living at the high temperature can cause decay to deteriorate the bacteria and fungi. So they are dried in the sun during storage of the grains.
In modern agricultural production, the water is removed by a traditional airing mode, so that a large amount of sites are occupied, the efficiency is low, and the method is not suitable for large-scale granary operation. For large grain bins, a dryer is typically used to dry the grain to maintain a suitable moisture content prior to the grain being placed in the bin.
The grain drying apparatus operates on the principle that hot air is generated by the heating device, and when the temperature of the hot air is increased, the heat transferred to grains is increased, so that the vaporization capacity of moisture on the surfaces of the grains is enhanced, and the transfer of the moisture in the grains is accelerated.
As the temperature of the hot air is high, its saturated moisture content increases, and the ability to carry away moisture also increases. Therefore, the temperature of the hot air is increased, so that the speed can be increased, the time can be shortened, and the heat consumption can be reduced. However, when the temperature is higher, the moisture on the outer surface of the grain is vaporized and dried faster, the outer surface is dried rapidly, the water content in the grain is higher, the moisture in the grain is not transferred to the surface in time, the contraction and expansion of the grain and the surface are unbalanced, the grain is broken, and if the rice is dried at a higher temperature, the rice grain is extremely easy to burst.
When drying is performed at a lower temperature, this problem can be avoided and a higher grain quality can be obtained. But when the temperature is lower, can make drying efficiency greatly reduced, drying time increases, and the energy consumption increases, and cost rises when efficiency reduces, also is unfavorable for in time warehousing of cereal.
Therefore, a drying apparatus capable of avoiding cracking and cracking of grains while maintaining high productivity is required.
Disclosure of Invention
The invention provides a self-adaptive precisely-controlled grain drying production device, which can solve the problems that in the prior art, high-temperature drying is easy to cause cracking and waist bursting of grains and low-temperature drying efficiency is low.
The self-adaptive precisely controlled grain drying production device comprises an air heater and a cylinder, wherein the air heater is used for conveying hot air into the cylinder, a feeding funnel, an air inlet pipe and an air outlet pipe are arranged on the cylinder, and the feeding funnel is provided with a sealing device for sealing the feeding funnel; the air inlet pipe and the air outlet pipe are respectively provided with a first control valve and a second control valve, and the production device further comprises:
the first lifting plate is positioned in the cylinder body, and the peripheral side wall of the first lifting plate is in dynamic sealing connection with the inner wall of the cylinder body; the first lifting plate is provided with a feed inlet, and the feed hopper is in through connection with the feed inlet through a connecting hose;
the peripheral side wall of the second lifting plate is in dynamic sealing connection with the inner wall of the cylinder body; the method comprises the steps of,
the driving device is used for driving the first lifting plate and the second lifting plate to be far away from or close to each other; wherein,
the air outlet pipe is positioned between the first lifting plate and the second lifting plate.
More preferably, the driving device comprises an electric telescopic rod, a first pull rod and a second pull rod, the electric telescopic rod is fixedly arranged on the cylinder body, one ends of the first pull rod and the second pull rod are hinged to the output end of the electric telescopic rod, and the other ends of the first pull rod and the second pull rod are hinged to the first lifting plate and the second lifting plate respectively.
More preferably, the electric telescopic rod is fixedly arranged on the outer side wall of the cylinder body, and an output shaft of the electric telescopic rod penetrates through the outer side wall of the cylinder body to extend into the cylinder body; the output shaft is in dynamic sealing connection with the outer side wall.
More preferably, a supporting shaft is arranged at the center of the cylinder body, guide sliding holes matched with the supporting shaft are formed in the first lifting plate and the second lifting plate, and the first lifting plate and the second lifting plate are slidably arranged on the supporting shaft through the guide sliding holes respectively.
More preferably, tapered sealing blocks are arranged on two side surfaces of the first lifting plate and the second lifting plate in a circumferential extending mode along the supporting shaft, and the sealing blocks are in dynamic sealing connection with the supporting shaft.
More preferably, the second pulling plate comprises a central plate and two filter material plates;
the two filter material plates are arranged symmetrically up and down relative to the central plate, and the sealing blocks are arranged on the filter material plates; annular supporting sliding blocks are arranged on the upper side and the lower side of the central plate, supporting sliding grooves matched with the supporting sliding blocks are formed in the filter material plates, and the supporting sliding blocks are slidably arranged in the supporting sliding grooves; one end of the second pull rod, which is far away from the electric telescopic rod, is hinged to the filter material plate positioned on the upper side;
the filter material plate is provided with the guide sliding hole, the central plate is provided with a first threaded hole, the support shaft is provided with a threaded section, and the threaded section is matched with the first threaded hole; a plurality of first material passing holes are formed in the central plate; the filter material plate is provided with a plurality of second material passing holes matched with the first material passing holes;
the first material passing hole and the second material passing hole at least have a first working state and a second working state;
when the grain harvester is in a first working state, the first material passing holes and the second material passing holes are at least partially overlapped, and grains can pass through the first material passing holes and the second material passing holes and fall down;
when the first material passing hole and the second material passing hole are in the second working state, the first material passing hole and the second material passing hole are completely staggered, and materials cannot fall down through the first material passing hole and/or the second material passing hole.
More preferably, a relief groove is formed in the sealing block on the filter material plate, and the thread section is completely located in the relief groove.
More preferably, the number of the air inlet pipes is two, the air inlet of one air inlet pipe is positioned between the first lifting plate and the second lifting plate, and the air inlet of the other air inlet pipe is positioned between the second lifting plate and the bottom wall of the cylinder body; the second lifting plate and the filter material plate are respectively provided with a first ventilation hole and a second ventilation hole, and the positions of the first ventilation hole and the second ventilation hole are corresponding and arc-shaped.
More preferably, the control system further comprises a processor, a temperature sensor and a humidity sensor, wherein the temperature sensor and the humidity sensor are both arranged on the inner wall of the cylinder and positioned between the first lifting plate and the second lifting plate, and the temperature sensor, the humidity sensor, the driving device, the first control valve, the second control valve and the hot air blower are all in signal connection with the processor.
The invention provides a self-adaptive precisely-controlled grain drying production device, which drives a first lifting plate and a second lifting plate to be close to or far away from each other through a driving device, so that the size of a drying space is changed, and as the drying space is of a closed structure, when the space volume is enlarged, negative pressure is formed in the drying space, so that moisture in grains is accelerated to permeate into the surface layer of the grains due to pressure change, the drying speed can be increased, the problems of grain cracking, waist bursting and the like are avoided, and meanwhile, the drying quality and the production efficiency are improved.
Drawings
FIG. 1 is a schematic diagram of a self-adaptive precisely controlled grain drying production device according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a perspective view of the structure of FIG. 1;
FIG. 5 is a schematic diagram of a second pulling plate;
FIG. 6 is a schematic diagram of a second pulling plate (after rotation);
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
FIG. 8 is a schematic diagram of the structure of a filter media sheet;
fig. 9 is a system schematic diagram of an adaptive precisely controlled grain drying production device according to the present invention.
Reference numerals illustrate:
10. an air heater; 11. an air inlet pipe; 111. a first control valve; 12. an air outlet pipe; 121. a second control valve; 20. a cylinder; 21. a feed hopper; 22. a discharge port; 23. a connecting hose; 24. a support shaft; 241. a threaded section; 30. a first pulling plate; 301. a feed inlet; 31. a second pulling plate; 311. a center plate; 3111. a first material passing hole; 3112. a support slider; 312. a filter material plate; 3121. a second material passing hole; 3122. ventilation holes; 313. a sealing block; 3131. a relief groove; 40. an electric telescopic rod; 50. a first pull rod; 51. and a second pull rod.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
Embodiment one:
as shown in fig. 1, the self-adaptive precision control grain drying production device provided by the embodiment of the invention comprises a hot air blower 10 and a cylinder 20, wherein the hot air blower 10 adopts a hot air generating device in the prior art, the hot air blower 10 is used for conveying hot air into the cylinder 20, a feeding funnel 21, an air inlet pipe 11 and an air outlet pipe 12 are arranged on the cylinder 20, the feeding funnel 21 is provided with a sealing device, and sealing components such as an electric valve or a sealing cover can be adopted for sealing the feeding funnel 21; the air inlet pipe 11 and the air outlet pipe 12 are respectively provided with a first control valve 111 and a second control valve 121 for controlling the on-off of the air inlet pipe 11 and the air outlet pipe 12, and the production device further comprises:
the first lifting plate 30, the first lifting plate 30 is positioned in the cylinder 20, and the peripheral side wall of the first lifting plate 30 is in dynamic sealing connection with the inner wall of the cylinder 20; the first lifting plate 30 is provided with a feed inlet 301, and the feed hopper 21 and the feed inlet 301 are connected in a penetrating way through a connecting hose 23;
the second lifting plate 31, the peripheral sidewall of the second lifting plate 31 is connected with the inner wall of the cylinder 20 in a dynamic seal manner; the method comprises the steps of,
the driving device is used for driving the first lifting plate 30 and the second lifting plate 31 to be far away from or close to each other; the air outlet pipe 12 is located between the first lifting plate 30 and the second lifting plate 31, and the first lifting plate 30, the second lifting plate 31 and the peripheral side wall of the cylinder 20 jointly enclose a drying space. The dynamic seal refers to dynamic seal, that is, the dynamic seal is always in sealing connection with the interior of the cylinder 20 during the movement of the first pulling plate 30 and/or the second pulling plate 31. If the rubber rings are arranged on the periphery sides of the first lifting plate 30 and the second lifting plate 31, the rubber rings are always tightly attached to the inner wall of the cylinder 20 in the moving process of the first lifting plate 30 and the second lifting plate 31 by utilizing the elasticity of the rubber rings, so that sealing is realized.
Specifically, the driving device includes an electric telescopic rod 40, a first pull rod 50 and a second pull rod 51, the electric telescopic rod 40 is fixedly disposed on the cylinder 20, one ends of the first pull rod 50 and the second pull rod 51 are both hinged to the output end of the electric telescopic rod 40, and the other ends of the first pull rod 50 and the second pull rod 51 are respectively hinged to the first lifting plate 30 and the second lifting plate 31.
In operation, cereal, such as rice, is fed through the feed hopper 21 and falls along the connecting hose 23 through the feed opening 301 onto the second pulling plate 31. The first control valve 111 and the second control valve 121 are opened, the hot air blower 10 sends hot air into the drying space through the air inlet pipe 11, and high-humidity low-temperature air is discharged through the air outlet pipe 12; after the space to be dried is filled with hot air (which can be qualitatively determined by air supply time), the first control valve 111 and the second control valve 121 are closed, the electric telescopic rod 40 is started, the electric telescopic rod 40 stretches to drive the first pull rod 50 and the second pull rod 51 to act, the first pull plate 30 is forced to move upwards, the second pull plate 31 is forced to move downwards, the distance between the first pull plate 30 and the second pull plate 31 is increased, the drying space is increased, and because the volume of air in the drying space is fixed, when the space is increased, the air pressure in the drying space is reduced to form negative pressure, the moisture in the rice is accelerated to move to the surface of the rice under the action of the negative pressure, and meanwhile, the hot air evaporates the moisture on the surface of the rice and takes away the moisture in the rice; after a certain period of time has elapsed, the humidity in the air increases, the first control valve 111 and the second control valve 121 are opened, and hot air is re-fed, so that high humidity air escapes. Because the moisture in the rice moves to the surface of the rice in an acceleration way, the problem of waist burst caused by overlarge difference between the moisture on the surface of the rice and the moisture in the rice after the moisture on the surface of the rice is evaporated by high-temperature air can be relieved. By providing the connection hose 23, the disconnection of the passage formed between the feed hopper 21 and the feed inlet 301 can be avoided when the first pulling plate 30 is operated.
Embodiment two:
on the basis of the first embodiment, the electric telescopic rod 40 is fixedly installed on the outer side wall of the cylinder 20, and the output shaft of the electric telescopic rod 40 extends into the cylinder 20 through the outer side wall of the cylinder 20; the output shaft is in dynamic sealing connection with the outer side wall.
The electric telescopic rod 40 is arranged on the outer side wall of the cylinder 20, so that the electric telescopic rod 40 can be prevented from being influenced by dust and sundries to accelerate damage when being arranged on the inner side of the cylinder 20, meanwhile, the electric telescopic rod 40 can be prevented from influencing the mobility of grains, and the limited drying space is prevented from being occupied.
Embodiment III:
on the basis of the first or second embodiment, a supporting shaft 24 is arranged at the center of the cylinder 20, guide sliding holes matched with the supporting shaft 24 are formed in the first lifting plate 30 and the second lifting plate 31, and the first lifting plate 30 and the second lifting plate 31 are slidably arranged on the supporting shaft 24 through the guide sliding holes respectively.
Further, tapered sealing blocks 313 are arranged on both side surfaces of the first lifting plate 30 and the second lifting plate 31 along the circumferential direction of the support shaft 24, and the sealing blocks 313 are in dynamic sealing connection with the support shaft 24.
Further, in order to facilitate the discharge of the grains in the drying space, the second pulling plate 31 includes a central plate 311 and two filter plates 312;
as shown in fig. 2, 3 and 5 to 7, two filter plates 312 are symmetrically arranged up and down with respect to the central plate 311, and sealing blocks 313 are arranged on the filter plates 312; annular supporting slide blocks 3112 are arranged on the upper side and the lower side of the central plate 311, supporting slide grooves matched with the supporting slide blocks 3112 are formed in the filter material plates 312, the supporting slide blocks 3112 are slidably arranged in the supporting slide grooves, the cross sections of the supporting slide blocks 3112 and the supporting slide grooves are T-shaped, the filter material plates 312 are connected to the central plate 311 through the supporting slide blocks 3112, and the filter material plates 312 and the central plate 311 can rotate relatively; one end of the second pull rod 51, which is far away from the electric telescopic rod 40, is hinged to the filter material plate 312 positioned on the upper side;
as shown in fig. 2, the filter material plate 312 is provided with a guiding sliding hole, the central plate 311 is provided with a first threaded hole, the support shaft 24 is provided with a threaded section 241, and the threaded section 241 is matched with the first threaded hole; as shown in fig. 5 and 6, a plurality of first material passing holes 3111 are formed on the central plate 311; the filter material plate 312 is provided with a plurality of second material passing holes 3121 matched with the first material passing holes 3111;
the first and second feed holes 3111 and 3121 have at least a first operating state and a second operating state;
when in the first operating state, the first and second apertures 3111 and 3121 are at least partially coincident, and cereal can pass through the first and second apertures 3111 and 3121 and fall;
when in the second operating state, the first and second material passing holes 3111 and 3121 are completely misaligned, and material cannot fall through the first and/or second material passing holes 3111 and 3121.
Further, the sealing block 313 on the filter board 312 is provided with a yielding groove 3131, and the threaded section 241 is completely located in the yielding groove 3131. The length of the groove 3131 of stepping down is longer than the length of screw section 241 for sealing block 313 is along with filter material board 312 reciprocates in-process, and screw section 241 can be located the groove 3131 of stepping down all the time inside, because sealing connection between sealing block 313 and the back shaft 24, the groove 3131 of stepping down can form the protection to screw section 241, avoids cereal and dust to get into in the screw section 241.
The tapered sealing block 313 can push away the grains when the first pulling plate 30 and/or the second pulling plate 31 move, so as to avoid crushing the grains.
In operation, since a certain distance is provided between two adjacent first material passing holes 3111 and two adjacent second material passing holes 3121, when the center plate 311 rotates relative to the filter plate 312 within a certain rotation range, the first material passing holes 3111 and the second material passing holes 3121 can be completely dislocated, in this process, the first material passing holes 3111 and the second material passing holes 3121 cannot be mutually penetrated, grains cannot fall below the second lifting plate 31, and when the first material passing holes 3111 and the second material passing holes 3121 completely correspond or partially overlap, the grains can fall below the second lifting plate 31 through the first material passing holes 3111 and the second material passing holes 3121. When the electric telescopic rod 40 acts, the first pull rod 50 and the second pull rod 51 drive the first pull rod 30 and the second pull rod 31 to be far away from or close to each other, during the ascending or descending process of the second pull rod, the filter material plate 312 can not rotate and only move up and down due to the action of the second pull rod 51, and the central plate 311 can be forced to rotate (the supporting shaft 24 is fixed and the threaded section 241 is also fixed) due to the fact that the central plate 311 moves up and down due to the fact that the first threaded hole is formed in the central plate 311, when the first threaded hole is matched with the threaded section 241, the pressure in the drying space can be adjusted during the process (namely, the first material passing hole 3111 and the second material passing hole 3121 are kept to be not communicated with each other) when the extension length or the retraction distance of the electric telescopic rod 40 is within a corresponding first range, and grains can not fall; and when the extension length or the retreating distance of the electric telescopic rod 40 is within the corresponding second range (that is, the first material passing hole 3111 and the second material passing hole 3121 are kept partially or completely overlapped), discharging can be realized at this time, so that the dried material can conveniently drop below the second lifting plate 31, thereby conveniently collecting the dried grains. The extension length of the electric telescopic rod 40 can drive the rotation angle of the central plate 311 to be determined according to the pitch of the threaded section 241, which is not described in detail.
Embodiment four:
on the basis of the first, second or third embodiment, since the grains are stacked more, the hot air between the first pulling plate 30 and the second pulling plate 31 can only dry the grains located on the upper portion, and the grain drying effect on the bottom layer is poor, which results in inconsistent grain drying progress and low drying efficiency.
As shown in fig. 1, two air inlet pipes 11 are provided, wherein the air inlet of one air inlet pipe 11 is positioned between the first lifting plate 30 and the second lifting plate 31, and the air inlet of the other air inlet pipe 11 is positioned between the second lifting plate 31 and the bottom wall of the cylinder 20; the second pulling plate 31 and the filter material plate 312 are respectively provided with a first ventilation hole and a second ventilation hole, as shown in fig. 8, the positions of the first ventilation hole and the second ventilation hole are corresponding and all extend in an arc shape. It will be appreciated that the widths of the first and second ventilation holes are much smaller than the apertures of the first and second ventilation holes 3111 and 3121, so that the first and second ventilation holes are used for ventilation, but do not cause grains to fall, and the first and second ventilation holes extend in an arc shape, so that the filter material plate 312 and the central plate 311 can be ensured to be at least partially or completely overlapped in the relative rotation process, thereby ensuring the ventilation of the second pulling plate 31 in the working process. The first ventilation holes and the second ventilation holes may be plural and distributed along the radial direction of the second pulling plate 31 while being spaced apart along the circumferential direction of the second pulling plate 31.
Through the setting of first bleeder vent and second bleeder vent, when first lifting plate 30 and second lifting plate 31 interval grow, the pressure in the first space that forms between first lifting plate 30 and the second lifting plate 31 diminishes, the pressure in the second space that forms between second lifting plate 31 and the diapire of barrel 20 is great relative first space's pressure, the hot air in second space can flow in the first space through cereal under the effect of pressure differential this moment, heat the stoving at the cereal of flow in-process locating the bottom, improve drying efficiency, reduce the moisture difference of cereal stoving.
It will be appreciated that the process of stretching and shortening the electric telescopic rod 40 to drive the pressure change in the first space and the second space may be repeated and reciprocating, and the reciprocating movement of the first pull rod 50 and the second pull rod 51 in the process of stretching and shortening the electric telescopic rod 40 reciprocally will stir the grains, so that the grains are overturned and stirred, and the drying of the grains is more uniform.
Fifth embodiment:
on the basis of the fourth embodiment, the present embodiment further includes a control system including a processor, a temperature sensor and a humidity sensor, both of which are disposed on the inner wall of the cylinder 20 and located between the first pulling plate 30 and the second pulling plate 31, and the temperature sensor, the humidity sensor, the driving device, the first control valve 111, the second control valve 121 and the air heater 10 are all signal-connected to the processor.
During operation, when grains are fed between the first lifting plate 30 and the second lifting plate 31 through the connecting hose 23, the processor controls the second control valve 121 and the first control valve 111 to be opened, the hot air is controlled to be fed into the hot air blower 10, after the feeding is finished (controlled by the preset feeding time), the processor controls the first control valve 111 and the second control valve 121 to be closed, meanwhile, the electric telescopic rod 40 is controlled to extend, the electric telescopic rod 40 drives the first lifting plate 30 and the second lifting plate 31 to be far away from each other, the grains are accelerated to be transferred to the surface under the action of negative pressure, hot air below the second lifting plate 31 moves upwards through the first ventilation holes and the second ventilation holes, the hot air between the first lifting plate 30 and the second lifting plate 31 is continuously heated and dried for the grains, the temperature sensor and the humidity sensor monitor the temperature and the humidity of the air between the first lifting plate 30 and the second lifting plate 31 in real time, and when the temperature is lower than the preset threshold or the humidity is higher than the preset threshold, the processor receives signals and controls the first control valve 111 and the second control valve 121 to be opened, and the air in the air blower 20 is blown out of the cylinder body 12 through the ventilation pipes. After the blowing for a preset time, the processor controls the electric telescopic rod 40 to further extend, so that the central plate 311 rotates to correspond to the positions of the first material passing holes 3111 and the second material passing holes 3121, grains fall below the second lifting plate 31 through the first material passing holes 3111 and the second material passing holes 3121, and the grains are collected through the discharge hole 22.
The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto and variations within the scope of the invention will be apparent to those skilled in the art.
Claims (4)
1. The self-adaptive precisely controlled grain drying production device comprises a hot air blower and a cylinder, wherein the hot air blower is used for conveying hot air into the cylinder, and a feeding funnel, an air inlet pipe and an air outlet pipe are arranged on the cylinder; the air inlet pipe and the air outlet pipe are respectively provided with a first control valve and a second control valve, and the production device further comprises:
the first lifting plate is positioned in the cylinder body, and the peripheral side wall of the first lifting plate is in dynamic sealing connection with the inner wall of the cylinder body; the first lifting plate is provided with a feed inlet, and the feed hopper is in through connection with the feed inlet through a connecting hose;
the peripheral side wall of the second lifting plate is in dynamic sealing connection with the inner wall of the cylinder body; the method comprises the steps of,
the driving device is used for driving the first lifting plate and the second lifting plate to be far away from or close to each other; wherein,
the air outlet pipe is positioned between the first lifting plate and the second lifting plate;
the driving device comprises an electric telescopic rod, a first pull rod and a second pull rod, wherein the electric telescopic rod is fixedly arranged on the cylinder body, one ends of the first pull rod and the second pull rod are hinged to the output end of the electric telescopic rod, and the other ends of the first pull rod and the second pull rod are respectively hinged to the first lifting plate and the second lifting plate;
the center of the cylinder body is provided with a supporting shaft, guide sliding holes matched with the supporting shaft are formed in the first lifting plate and the second lifting plate, and the first lifting plate and the second lifting plate are slidably arranged on the supporting shaft through the guide sliding holes respectively;
tapered sealing blocks are arranged on two side surfaces of the first lifting plate and the second lifting plate in a circumferential extending mode along the supporting shaft, and the sealing blocks are in dynamic sealing connection with the supporting shaft;
the second lifting plate comprises a central plate and two filter material plates;
the two filter material plates are arranged symmetrically up and down relative to the central plate, and the sealing blocks are arranged on the filter material plates; annular supporting sliding blocks are arranged on the upper side and the lower side of the central plate, supporting sliding grooves matched with the supporting sliding blocks are formed in the filter material plates, and the supporting sliding blocks are slidably arranged in the supporting sliding grooves; one end of the second pull rod, which is far away from the electric telescopic rod, is hinged to the filter material plate positioned on the upper side;
the filter material plate is provided with the guide sliding hole, the central plate is provided with a first threaded hole, the support shaft is provided with a threaded section, and the threaded section is matched with the first threaded hole; a plurality of first material passing holes are formed in the central plate; the filter material plate is provided with a plurality of second material passing holes matched with the first material passing holes;
the first material passing hole and the second material passing hole at least have a first working state and a second working state;
when the grain harvester is in a first working state, the first material passing holes and the second material passing holes are at least partially overlapped, and grains can pass through the first material passing holes and the second material passing holes and fall down;
when the first material passing hole and the second material passing hole are in the second working state, the first material passing hole and the second material passing hole are completely misplaced, and materials cannot fall down through the first material passing hole and/or the second material passing hole;
the two air inlet pipes are arranged, the air inlet of one air inlet pipe is positioned between the first lifting plate and the second lifting plate, and the air inlet of the other air inlet pipe is positioned between the second lifting plate and the bottom wall of the cylinder; the second lifting plate and the filter material plate are respectively provided with a first ventilation hole and a second ventilation hole, and the positions of the first ventilation hole and the second ventilation hole are corresponding and arc-shaped.
2. The adaptive precision control grain drying production device of claim 1, wherein the electric telescopic rod is fixedly arranged on the outer side wall of the cylinder, and an output shaft of the electric telescopic rod passes through the outer side wall of the cylinder and extends into the cylinder; the output shaft is in dynamic sealing connection with the outer side wall.
3. The self-adaptive precisely controlled grain drying production device of claim 2, wherein the sealing block on the filter material plate is provided with a yielding groove, and the thread section is completely positioned in the yielding groove.
4. A self-adaptive precision control grain drying production apparatus as claimed in any one of claims 1 to 3, further comprising a control system comprising a processor, a temperature sensor and a humidity sensor, wherein the temperature sensor and the humidity sensor are both disposed on the inner wall of the cylinder and between a first pull plate and a second pull plate, and wherein the temperature sensor, the humidity sensor, the driving means, the first control valve, the second control valve and the air heater are all signal-connected to the processor.
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| CN202210916891.XA CN115111888B (en) | 2022-08-01 | 2022-08-01 | Self-adaptive precision control grain drying production device |
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| CN115111888B true CN115111888B (en) | 2024-02-13 |
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