CN114459231A - Energy-saving grain drying-machine with two stoving sections - Google Patents
Energy-saving grain drying-machine with two stoving sections Download PDFInfo
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- CN114459231A CN114459231A CN202210129972.5A CN202210129972A CN114459231A CN 114459231 A CN114459231 A CN 114459231A CN 202210129972 A CN202210129972 A CN 202210129972A CN 114459231 A CN114459231 A CN 114459231A
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- 238000001035 drying Methods 0.000 claims abstract description 175
- 238000003860 storage Methods 0.000 claims description 175
- 239000000463 material Substances 0.000 claims description 70
- 238000007789 sealing Methods 0.000 claims description 48
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 1
- 241001124569 Lycaenidae Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
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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
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
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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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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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
Abstract
The invention discloses an energy-saving grain dryer with double drying sections, which belongs to the technical field of dryers and comprises a base, wherein a drying box is fixedly connected to the base, and the drying box consists of a first feeding section, a first drying section, a second feeding section and a second drying section which are sequentially arranged from top to bottom; air inlets are formed in the left side wall and the right side wall of the first drying section and the second drying section; the outer wall of the left side of the first drying section is fixedly connected with an air heater positioned outside the air inlet, the outer wall of the right side of the first drying section is fixedly connected with a communicating pipe positioned outside the air inlet, the bottom end of the communicating pipe is fixedly connected with the second drying section, and the communicating pipe is used for communicating the air inlets on the right sides of the first drying section and the second drying section; an air outlet pipe positioned outside the left air inlet is fixedly connected to the left side wall of the second drying section; the invention can dry the grains more quickly and better.
Description
Technical Field
The invention relates to the technical field of dryers, in particular to an energy-saving grain dryer with double drying sections.
Background
Food is a living organism and water is the condition on which it depends to survive. However, the excessive water content can induce the breeding of insects and microorganisms, which easily causes the heating, fermentation, deterioration and germination rate reduction of grains. Taking grains as an example, the water content of the grains during harvesting is 25-30%, and the safe water content needs to be reduced to 13-15% as soon as possible during storage. The grains in China are harvested 1-3 times a year and stored for several years, but in the grain production process and grain drying link, natural airing is easily limited by the influence of weather, places and the like. Along with the large-area popularization and application of grain harvesters and the rise of large grain farmers, natural airing can not meet the requirements more and more, and grain drying equipment is needed
Grain drying-machine of prior art is when drying to grain, is that the repetition is put in grain in the drying-machine, and grain is dried from last to the in-process that drops down, carries grain to put in again at the drying-machine top after waiting to drop the drying-machine bottom, and the repetition is dried, and this kind of drying method need carry out a lot of to grain and put in just can dry grain, and efficiency is lower.
Based on the above, the invention designs an energy-saving grain dryer with double drying sections to solve the above problems.
Disclosure of Invention
The invention aims to provide an energy-saving grain dryer with double drying sections, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving grain dryer with double drying sections comprises a base, wherein a drying box is fixedly connected to the base, and the drying box consists of a first feeding section, a first drying section, a second feeding section and a second drying section which are sequentially arranged from top to bottom; air inlets are formed in the left side wall and the right side wall of the first drying section and the second drying section; the outer wall of the left side of the first drying section is fixedly connected with an air heater positioned outside the air inlet, the outer wall of the right side of the first drying section is fixedly connected with a communicating pipe positioned outside the air inlet, the bottom end of the communicating pipe is fixedly connected with the second drying section, and the communicating pipe is used for communicating the air inlets on the right sides of the first drying section and the second drying section; an air outlet pipe positioned outside the left air inlet is fixedly connected to the left side wall of the second drying section; a circulating feeding assembly is arranged below the second drying section; the circulating feeding assembly is used for collecting grains from the second drying section and conveying the grains to the first feeding section for circulating drying; and drying assemblies are arranged on the inner sides of the first drying section and the second drying section.
As a further aspect of the present invention, the drying assembly includes a storage box and a first driving part;
the material storage box is fixedly connected with the inner wall of the first drying section, air inlet pipes are fixedly connected to the left side wall and the right side wall of the material storage box, and the outer ends of the air inlet pipes are fixedly connected with air inlets respectively; the air inlet pipes are connected with sealing plates in a sliding manner; the sealing plates are fixedly connected with first springs for resetting the sealing plates, the side edges of the sealing plates are respectively provided with a first limiting block capable of limiting the sealing plates, and the first limiting blocks are connected with the first drying section in a sliding manner; the first limiting blocks are fixedly connected with second springs for resetting the first limiting blocks, the first limiting blocks are fixedly connected with first traction ropes, the bottom ends of the first traction ropes are fixedly connected with first sliding blocks, and the first sliding blocks are connected with the first drying section in a sliding mode;
a plurality of same temporary storage areas are arranged in the material storage box and are separated by partition plates; a first sliding groove and a second sliding groove are formed in the inner wall of the temporary storage area; the first chute and the second chute are jointly connected with a first striker plate in a sliding manner, a third spring for resetting the first striker plate is fixedly connected in the first chute, the first striker plate is jointly provided with a push rod, the left end and the right end of the push rod extend to the outer side of the storage box, and the push rod is connected with the storage box in a sliding manner in the vertical direction; the push rod can drive the first sliding block to slide downwards; a second limiting block capable of limiting the first material baffle is arranged below the first material baffle, and the second limiting block is connected with the material storage box in a sliding mode in the front-back direction; the limiting block is fixedly connected with an air spring for resetting;
the bottom of the storage box is fixedly connected with a storage hopper, the storage hopper is in a funnel shape with a large top and a small bottom, a second baffle plate for shielding the bottom of the storage hopper is arranged below the storage hopper, the second baffle plate is rotatably connected with a frame body, the frame body is fixedly connected with the side wall of the first drying section, a second driving part is arranged on the frame body, and the second driving part is used for driving the second baffle plate to move to open the storage hopper after grains on the first baffle plate fall into the storage hopper and return to an initial position;
the first driving part is arranged at the inner side of the first drying section.
As a further aspect of the present invention, the first driving portion includes a cylinder, the cylinder is fixedly connected to the first drying section, a second sliding block is fixedly connected to a telescopic end of the cylinder, and the second sliding block is slidably connected to a third sliding block; a first sliding rod capable of being driven by the third sliding block to move downwards is arranged below the third sliding block, the first sliding rod is connected with the material storage box in a sliding mode in the vertical direction, a plurality of second traction ropes are fixedly connected to the first sliding rod, the number of the second traction ropes is the same as that of the second limiting blocks, and the top ends of the second traction ropes are fixedly connected with the second limiting blocks respectively; a first wedge-shaped block capable of driving the third slide block to move forwards is arranged below the third slide block; a second wedge-shaped block capable of driving the third slide block to move backwards is arranged above the third slide block, and the first wedge-shaped block and the second wedge-shaped block are both fixedly connected to the side wall of the first drying section; and a second sliding rod which can be driven by the third sliding block to move downwards is arranged below the third sliding block, two third traction ropes are fixedly connected to the second sliding rod, and the top ends of the two third traction ropes are fixedly connected with the two sealing plates respectively.
As a further scheme of the invention, the second driving part comprises a motor and an arc-shaped spring, the motor is fixedly connected with the frame body, an output shaft of the motor is fixedly connected with an incomplete gear, the incomplete gear is meshed with a first gear, and the first gear is fixedly connected with a rotating shaft of the second material blocking plate; one end of the arc-shaped spring is fixedly connected with the bottom of the second material retaining plate, and the other end of the arc-shaped spring is fixedly connected with the frame body.
As a further scheme of the invention, the second sliding groove is composed of a vertical groove and an arc-shaped groove, the first striker plate is connected with the vertical groove in a sliding manner in the vertical direction, and the first striker plate can rotate in the arc-shaped groove.
As a further scheme of the invention, the circulating feeding assembly comprises a receiving frame, and the receiving frame is positioned below the storage hopper in the second drying section; the material receiving frame is connected with a C-shaped baffle in a sliding mode in the front-back direction, the C-shaped baffle and the material receiving frame can form a rectangular box with an opening at the upper end, a sliding plate capable of driving the material receiving frame to move in the front-back direction is arranged on the outer side of the material receiving frame, the sliding plate is connected with the base in a sliding mode, the sliding plate is connected with a first threaded rod in a threaded mode, and the first threaded rod is connected with the base in a rotating mode; the front side of material receiving frame still is provided with the carriage that is used for driving its rebound, carriage and base sliding connection on vertical direction, threaded connection has the second threaded rod on the carriage, the second threaded rod rotates with the base to be connected.
As a further scheme of the invention, the push rod is fixedly connected with two shielding plates, and the two shielding plates are respectively attached to the left outer wall and the right outer wall of the material storage box.
As a further scheme of the invention, the bottom of the first sliding block is fixedly connected with a fourth spring, and the bottom end of the fourth spring is fixedly connected with the drying box.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the drying box, the first feeding section, the first drying section, the second feeding section, the second drying section and the drying assembly, after the grains fall into the first drying section from the first feeding section, the grains can be temporarily collected by the drying assembly, the grains can be accumulated on the first baffle plate after falling onto the first baffle plate, the grains accumulated at the top of the first baffle plate can be just positioned at the right side of the air inlet pipe, so that the grains can be continuously dried by hot air in the first drying section for a period of time, and the residual heat in the storage box can heat and dry the accumulated grains close to the first baffle plate; the grain can be dried continuously in the temporary storage area, so that the grain can be dried more quickly; after the grain in the temporary storage area reaches a certain amount, the drying assembly can automatically transfer the grain in the treatment box into the storage hopper, the air inlet pipe can be closed by the sealing plate in the process, so that the heat in the storage box can not be greatly dissipated, and the air heater stops working again, so that the energy consumption can be reduced; the grains stored in the storage hopper can intermittently fall into the drying assembly in the second drying section for drying again, the grains falling from the storage hopper every time are less, the grains can be dried in the second drying section for a longer time, the grains can be dried more quickly and better, and the hot air in the second drying section can be absorbed by the storage hopper; then the storage hopper can give the grain in it with heat transfer, can make the grain that needs carry out the secondary stoving in the storage hopper preheat, can make grain dry faster, better, can reduce the number of times that grain circulation was dried, the efficiency that can greatly increased grain was dried.
2. According to the invention, through the arrangement of the second driving part, grains in the storage hopper can intermittently fall into the storage box below for drying again, so that the grains can be dried more quickly and better; the second material blocking plate can impact the storage hopper after releasing the grains to close the storage hopper, so that the storage hopper and the storage box can vibrate together, the grains in the storage hopper and the storage box can shake, the heat can better permeate the grains, the grains can better absorb the heat, the grains can be better and faster dried, and the drying efficiency of the grains can be greatly increased.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a portion of the present invention;
FIG. 3 is a schematic view of a drying assembly according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic sectional view showing the connection relationship and position relationship between the first drying section, the air inlet pipe, the sealing plate and the first limiting block according to the present invention;
FIG. 6 is a schematic sectional view showing the connection relationship and the position relationship between the material storage box and the first striker plate according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at B;
FIG. 8 is a schematic cross-sectional view of the relationship and position relationship between the first striker plate and the second stop block according to the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at C;
FIG. 10 is a schematic view of a second driving assembly according to the present invention;
FIG. 11 is a schematic view showing the connection relationship and the position relationship between the arc-shaped spring, the second retainer plate and the frame body according to the present invention;
FIG. 12 is a schematic view of a part of the mechanism of the circular feeding component of the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the air drying device comprises a base 1, a drying box 2, a first feeding section 201, a first drying section 202, a second feeding section 203, a second drying section 204, an air inlet 3, a hot air blower 4, a communicating pipe 5, an air outlet pipe 6, a storage box 7, an air inlet pipe 8, a sealing plate 9, a first spring 10, a first limiting block 11, a second spring 12, a first traction rope 13, a first sliding block 14, a temporary storage area 15, a separating plate 16, a first sliding chute 17, a second sliding chute 18, a first material blocking plate 19, a third spring 20, a push rod 21, a second limiting block 22, an air spring 23, a storage hopper 24, a second material blocking plate 25, a frame body 26, an air cylinder 27, a second sliding block 28, a third sliding block 29, a first sliding rod 30, a second traction rope 31, a first wedge-shaped block 32, a second wedge-shaped block 33, a second sliding rod 34, a third traction rope 35, a motor 36, an arc-shaped spring 37, an incomplete gear 38, a first vertical groove 40, an arc-shaped groove 41, a circular groove 41, a second groove, The material receiving frame 42, the C-shaped baffle 43, the sliding plate 44, the first threaded rod 45, the bearing frame 46, the second threaded rod 47, the shielding plate 48 and the fourth spring 49.
Detailed Description
Referring to fig. 1-12, the present invention provides a technical solution: an energy-saving grain dryer with double drying sections comprises a base 1, wherein a drying box 2 is fixedly connected to the base 1, and the drying box 2 consists of a first feeding section 201, a first drying section 202, a second feeding section 203 and a second drying section 204 which are sequentially arranged from top to bottom; air inlets 3 are formed in the left side wall and the right side wall of the first drying section 202 and the second drying section 204; the outer wall of the left side of the first drying section 202 is fixedly connected with a hot air blower 4 positioned outside the air inlet 3, the outer wall of the right side of the first drying section 202 is fixedly connected with a communicating pipe 5 positioned outside the air inlet 3, the bottom end of the communicating pipe 5 is fixedly connected with the second drying section 204, and the communicating pipe 5 is used for communicating the air inlets 3 on the right sides of the first drying section 202 and the second drying section 204; an air outlet pipe 6 positioned outside the left air inlet 3 is fixedly connected to the left side wall of the second drying section 204; a circulating feeding assembly is arranged below the second drying section 204; the circulating feeding assembly is used for collecting grains falling from the second drying section 204 and conveying the grains into the first feeding section 201 for circulating drying; the inner sides of the first drying section 202 and the second drying section 204 are both provided with drying components.
The drying assembly comprises a material storage box 7 and a first driving part;
the material storage box 7 is fixedly connected with the inner wall of the first drying section 202, the left side wall and the right side wall of the material storage box 7 are both fixedly connected with air inlet pipes 8, and the outer ends of the air inlet pipes 8 are respectively fixedly connected with the air inlets 3; the air inlet pipes 8 are all connected with sealing plates 9 in a sliding manner; the sealing plates 9 are fixedly connected with first springs 10 for resetting the sealing plates, the side edges of the sealing plates 9 are respectively provided with a first limiting block 11 capable of limiting the sealing plates, and the first limiting blocks 11 are slidably connected with the first drying section 202; the first limiting blocks 11 are fixedly connected with second springs 12 for resetting the first limiting blocks, the first limiting blocks 11 are fixedly connected with first traction ropes 13, the bottom ends of the first traction ropes 13 are fixedly connected with first sliding blocks 14, and the first sliding blocks 14 are connected with the first drying section 202 in a sliding mode;
a plurality of same temporary storage areas 15 are arranged in the material storage box 7, and the temporary storage areas 15 are separated by partition plates 16; a first sliding chute 17 and a second sliding chute 18 are formed in the inner wall of the temporary storage area 15; the first chute 17 and the second chute 18 are jointly connected with a first striker plate 19 in a sliding manner, a third spring 20 for resetting the first striker plate 19 is fixedly connected in the first chute 17, the first striker plate 19 is jointly provided with a push rod 21, the left end and the right end of the push rod 21 extend to the outer side of the storage box 7, and the push rod 21 is connected with the storage box 7 in a sliding manner in the vertical direction; the push rod 21 can drive the first slide block 14 to slide downwards; a second limiting block 22 capable of limiting the first striker plate 19 is arranged below the first striker plate 19, and the second limiting block 22 is connected with the material storage box 7 in a sliding manner in the front-back direction; the limiting block is fixedly connected with a gas spring 23 for resetting;
the bottom of the storage box 7 is fixedly connected with a storage hopper 24, the storage hopper 24 is in a funnel shape with a large top and a small bottom, a second baffle plate 25 for shielding the bottom of the storage hopper 24 is arranged below the storage hopper 24, the second baffle plate 25 is rotatably connected with a frame body 26, the frame body 26 is fixedly connected with the side wall of the first drying section 202, a second driving part is arranged on the frame body 26, and the second driving part is used for driving the second baffle plate 25 to move to open the storage hopper 24 after grains on the first baffle plate fall into the storage hopper 24 and return to an initial position;
the first driving part is disposed inside the first drying section 202.
When the scheme is put into practical use, grains needing to be dried are put into the drying box 2 from the top of the first feeding section 201, the hot air blower 4 is started when the grains pass through the drying box, and hot air is blown into the storage box 7 from the air inlet pipe 8 by the hot air blower 4; the grains can fall into the storage bin 7 from the first feeding section 201; when the grains fall into the storage box 7, the grains can be dried by hot air blown out by the hot air blower 4, then the grains can fall onto the first baffle plate 19 to be stacked, and when grain components are increased; the weight of the grain becomes a driving force to drive the first baffle plate 19 to slide downwards in the first chute 17 and the second chute 18, the first baffle plate 19 compresses the third spring 20, after the first baffle plate 19 moves downwards, the grain stacked at the topmost part of the first baffle plate 19 is just positioned at the right side of the air inlet pipe 8, the grain can be continuously dried by hot air for a period of time, and the residual heat in the storage box 7 can heat and dry the stacked grain close to the first baffle plate 19; the grains can be dried continuously in the temporary storage area 15, and the grains can be dried more quickly; when the grains are slowly accumulated, the weight of the grains can drive the first material blocking plates 19 to continuously move downwards (it needs to be explained here that all the first material blocking plates 19 can only synchronously slide downwards due to the arrangement of the push rods 21, so that only after all the grains in the temporary storage area 15 reach a certain amount, the first material blocking plates 19 can only downwards move to the position where the grains fall into the storage hopper), the first material blocking plates 19 can drive the push rods 21 to synchronously move downwards, when the push rods 21 downwards move to be in contact with the top surfaces of the first sliding blocks 14, the push rods 21 can drive the first sliding blocks 14 to move downwards, and the first sliding blocks 14 can drive the first limiting blocks 11 to move forwards through the first traction ropes 13; in the process, the first striker plate 19 can also drive the second limiting block 22 to slide outwards by extruding the inclined surface at the top of the second limiting block 22, and the second limiting block 22 cannot block the first striker plate 19 from moving upwards; when the first limiting block 11 moves forwards to be separated from contact with the sealing plate 9, the sealing plate 9 moves downwards under the action of the elastic force of the first spring 10 in a compressed state to close the air inlet pipe 8; the sealing plate 9 at the upper left side can be electrically connected with the air heater 4, the air heater 4 stops working when the sealing plate 9 moves downwards to close the air inlet pipe 8, and the air heater starts working when the sealing plate 9 moves upwards to open the air inlet pipe 8; the hot air blower does not work any more after the air inlet pipe 8 is closed by the sealing plate 9, so that the energy consumption of the hot air blower can be reduced; at the moment, the left side and the right side of the storage box 7 are shielded by the sealing plates 9, the storage hopper below is shielded by the second material blocking plate 25, and a baffle plate can be arranged at the top of the storage box 7, so that the heat in the storage box 7 cannot be greatly dissipated; when the air inlet pipe 8 is closed by the sealing plate 9, the first baffle plate 19 just moves to the position below the second limiting block 22 and is limited by the second limiting block 22; then the grains stacked on the first striker plate 19 can fall into the storage hopper 24 from the first striker plate 19; part of the heat in the storage box 7 is transferred to the storage hopper 24 along with the grains, and the grains in the storage box 7 fall into the storage hopper 24; starting the first driving part, enabling the first driving part to drive the second limiting block 22 to slide outwards to cancel limiting on the first baffle plate 19, enabling the first baffle plate 19 to move upwards under the action of the elastic force of the third spring 20, enabling the first driving part to drive the sealing plate 9 to move upwards after the first baffle plate 19 returns to the initial position, enabling the sealing plate 9 to open the air inlet pipe 8, enabling the first limiting block 11 to limit the sealing plate 9 after the sealing plate 9 moves upwards to the position above the first limiting block 11, enabling the hot air fan 4 to be opened at the moment, then putting grains into the storage box 7 again, and performing primary drying again; then, starting a second driving part, wherein the second driving part can drive the second baffle plate 25 to be opened and closed intermittently, when the second baffle plate 25 is opened, grains in the storage hopper 24 can fall into the storage box 7 in the second drying section 204, and then the grains are dried again in the second drying section 204; the second material blocking plate 25 is intermittently turned off, so that the amount of grains falling into the lower temporary storage area 15 is small every time, then the grains can be dried in the lower temporary storage area 15 for a longer time, the grains can be dried more quickly and better, and the hot air in the second drying section 204 can be absorbed by the storage hopper 24; then the storage hopper 24 can transfer heat to the grains in the storage hopper 24, so that the grains in the storage hopper 24 which need to be dried for the second time can be preheated, the grains can be dried more quickly and better, the number of times of circulating drying of the grains can be reduced, and the grain drying efficiency can be greatly increased; after all the grains fall into the storage hopper 24 at the lower part, the second material baffle plate 25 closes the storage hopper 24 at the upper part; then the weight of the grain in the lower storage box 7 reaches a designated value, the grain dried by the second drying section 204 falls into the lower storage hopper 24, then falls out of the drying box 2 from the lower storage hopper 24 and is collected by the circulating feeding assembly, then the circulating feeding assembly conveys the grain to the top of the drying box 2, and then the grain is dried again; according to the invention, through the arrangement of the drying box 2, the first feeding section 201, the first drying section 202, the second feeding section 203, the second drying section 204 and the drying assembly, after grains fall into the first drying section 202 from the first feeding section 201, the grains can be temporarily collected by the drying assembly, the grains can be accumulated on the first baffle plate 19 after falling onto the first baffle plate 19, the grains accumulated at the top of the first baffle plate 19 can be just positioned at the right side of the air inlet pipe 8, so that the grains can be continuously dried by hot air in the first drying section 202 for a period of time, and the residual heat in the storage box 7 can heat and dry the accumulated grains close to the first baffle plate 19; the grains can be dried continuously in the temporary storage area 15, and the grains can be dried more quickly; after the grain in the temporary storage area 15 reaches a certain amount, the drying component can automatically transfer the grain in the storage box 7 into the storage hopper 24, in the process, the sealing plate 9 can close the air inlet pipe, so that the heat in the storage box 7 can not be greatly dissipated, and the air heater stops working again, so that the energy consumption can be reduced; the grains stored in the storage hopper 24 intermittently fall into the drying assembly in the second drying section 204 for drying again, and the grains falling from the storage hopper 24 each time are less, so that the grains can be dried in the second drying section 204 for a longer time, the grains can be dried more quickly and better, and the hot air in the second drying section 204 can be absorbed by the storage hopper 24; then storage hopper 24 can be with heat transfer for the grain in it, can make the grain that needs to carry out the secondary stoving in the storage hopper 24 preheat, can make grain dry faster, better, can reduce the number of times that grain circulation was dried, the efficiency that can greatly increased grain was dried.
As a further aspect of the present invention, the first driving part includes a cylinder 27, the cylinder 27 is fixedly connected to the first drying section 202, a second slider 28 is fixedly connected to a telescopic end of the cylinder 27, and a third slider 29 is slidably connected to the second slider 28; a first sliding rod 30 which can be driven by the third sliding block 29 to move downwards is arranged below the third sliding block 29, the first sliding rod 30 is connected with the material storage box 7 in a sliding mode in the vertical direction, a plurality of second traction ropes 31 are fixedly connected to the first sliding rod 30, the number of the second traction ropes 31 is the same as that of the second limiting blocks 22, and the top ends of the second traction ropes 31 are fixedly connected with the second limiting blocks 22 respectively; a first wedge block 32 capable of driving the third slide block 29 to move forwards is arranged below the third slide block 29; a second wedge-shaped block 33 capable of driving the third slide block 29 to move backwards is arranged above the third slide block, and the first wedge-shaped block 32 and the second wedge-shaped block 33 are both fixedly connected to the side wall of the first drying section 202; a second sliding rod 34 which can be driven by the third sliding block 29 to move downwards is arranged below the third sliding block 29, two third traction ropes 35 are fixedly connected to the second sliding rod 34, and the top ends of the two third traction ropes 35 are fixedly connected with the two sealing plates 9 respectively.
When the first driving part actually works, after grains fall into the storage hopper 24 from the storage box 7, the cylinder 27 is started to extend downwards, the cylinder 27 can drive the third slider 29 to move downwards through the second slider 28, after the third slider 29 is contacted with the first slide bar 30, the third slider 29 can drive the first slide bar 30 to move downwards, the first slide bar 30 can drive the second limiting block 22 to slide outwards through the second traction rope 31, and the second limiting block 22 cancels limiting of the first material blocking plate 19; then the first striker plate 19 can slide back to the initial position upwards under the action of the third spring 20; the third slide block 29 moves downwards again to contact with the inclined surface of the first wedge-shaped block 32, then the inclined surface of the first wedge-shaped block 32 drives the third slide block 29 to slide towards the side away from the first slide bar 30, the third slide block 29 is separated from the contact with the first slide bar 30, the third slide block 29 moves right above the second slide bar 34, then the third slide block 29 moves again to contact with the top surface of the second slide bar 34, the third slide block 29 drives the second slide bar 34 to move downwards, and the second slide bar 34 drives the sealing plate 9 to move upwards through the third traction rope 35 to open the air inlet pipe 8; after the sealing plate 9 is limited by the first limiting block 11, the cylinder 27 stops extending downward and starts retracting, then the cylinder 27 drives the third slider 29 to move upward through the second slider 28, the third slider 29 does not act on the first slide bar 30 in the upward movement process, after the third slider 29 moves upward and contacts with the inclined surface of the second wedge-shaped block 33, the inclined surface of the second wedge-shaped block 33 drives the third slider 29 to move in the direction close to the first slide bar 30, so that the third slider 29 moves right above the first slide bar 30 again, then the cylinder 27 stops working, and the whole working process is completed by the first driving part.
As a further scheme of the present invention, the second driving portion includes a motor 36 and an arc-shaped spring 37, the motor 36 is fixedly connected with the frame 26, an incomplete gear 38 is fixedly connected to an output shaft of the motor 36, the incomplete gear 38 is engaged with a first gear 39, and the first gear 39 is fixedly connected with a rotating shaft of the second retainer plate 25; one end of the arc-shaped spring 37 is fixedly connected with the bottom of the second retainer plate 25, and the other end of the arc-shaped spring 37 is fixedly connected with the frame body 26.
When the second driving part works actually, after the first striker plate 19 moves upwards to the initial position, the motor 36 is started, the motor 36 drives the incomplete gear 38 to rotate, when the incomplete gear 38 is meshed with the first gear 39, the incomplete gear 38 drives the first gear 39 to rotate, the first gear 39 drives the second striker plate 25 to rotate downwards, then the grains in the storage hopper 24 slide into the storage box 7 below along the second striker plate 25, the second striker plate 25 rotates downwards, and the grains in the storage hopper 24 can be ensured to completely fall into the storage box 7 below; after the incomplete gear 38 is disengaged from the first gear 39, the second retainer plate 25 returns to the position for closing the storage hopper 24 under the elastic force of the arc-shaped spring 37, and the second retainer plate 25 collides with the storage hopper 24 when rotating upwards under the action of the arc-shaped spring 37, so that the storage hopper 24 and the storage box 7 can vibrate together, and grains in the storage hopper 24 and the storage box 7 can shake; according to the invention, through the arrangement of the second driving part, grains in the storage hopper can intermittently fall into the storage box 7 below for drying again, so that the grains can be dried more quickly and better; second fender board 25 can strike storage hopper 24 at the in-process that the grain closed storage hopper 24 of release, can make storage hopper 24 and storage case 7 shake together, can make the grain in storage hopper 24 and the storage case 7 rock, can make better infiltration of heat to between the grain, can make grain absorb the heat better, can make better, faster drying of grain, the drying efficiency of grain that can greatly increased.
As a further scheme of the present invention, the second sliding groove 18 is composed of a vertical groove 40 and an arc groove 41, the first striker plate 19 is connected with the vertical groove 40 in a sliding manner in the vertical direction, and the first striker plate 19 can rotate in the arc groove 41; during operation, set up second spout 18 as to constitute by perpendicular groove 40 and circular arc groove 41, can make first striker plate 19 after vertical downstream reaches the bottom of perpendicular groove 40, first striker plate 19 can overturn downwards in circular arc groove 41, can make grain on the first striker plate 19 drop completely in storage hopper 24.
As a further aspect of the present invention, the circular feeding assembly includes a receiving frame 42, and the receiving frame 42 is located below the material storage hopper 24 in the second drying section 204; the material receiving frame 42 is connected with a C-shaped baffle 43 in a sliding manner in the front-back direction, the C-shaped baffle 43 and the material receiving frame 42 can form a rectangular box with an opening at the upper end, a sliding plate 44 capable of driving the material receiving frame 42 to move in the front-back direction is arranged on the outer side of the material receiving frame 42, the sliding plate 44 is connected with the base 1 in a sliding manner, the sliding plate 44 is in threaded connection with a first threaded rod 45, and the first threaded rod 45 is rotationally connected with the base 1; the front side of the receiving frame 42 is further provided with a bearing frame 46 for driving the receiving frame to move upwards, the bearing frame 46 is connected with the base 1 in a sliding manner in the vertical direction, a second threaded rod 47 is connected to the bearing frame 46 in a threaded manner, and the second threaded rod 47 is connected with the base 1 in a rotating manner; when the grain collecting device works, grains falling from the storage hopper 24 below can fall into a rectangular box formed by the C-shaped baffle 43 and the material receiving frame 42; when the grains need to be dried again, the external driving motor drives the first threaded rod 45 to rotate, the first threaded rod 45 drives the sliding plate 44 to move forward, the sliding plate 44 drives the C-shaped baffle 43 to move forward together with the material receiving frame 42 and the grains, after the C-shaped baffle 43 and the receiving frame 42 are moved out of the drying box 2, the C-shaped baffle 43 will move above the carrying frame 46, then, when the external driving motor drives the second threaded rod 47 to rotate, the second threaded rod 47 drives the bearing frame 46 to move upwards, the bearing frame 46 drives the C-shaped baffle 43 to move upwards together with the receiving frame 42 and the grains, and after the C-shaped baffle 43 moves to the upper part of the drying box 2, the external linear driving mechanism (such as a cylinder) drives the C-shaped baffle 43 to move backwards, and the C-shaped baffle 43 pushes the grains in the material receiving frame 42 outwards, so that the grains fall into the drying box 2.
As a further scheme of the invention, two shielding plates 48 are fixedly connected to the push rod 21, and the two shielding plates 48 are respectively attached to the left and right outer walls of the material storage tank 7; during operation, the shielding plate 48 is arranged to prevent grains from falling out of the chute and reduce heat loss.
As a further scheme of the present invention, a fourth spring 49 is fixedly connected to the bottom of the first sliding block 14, and the bottom end of the fourth spring 49 is fixedly connected to the drying box 2; in operation, the first slider 14 can be better returned by the fourth spring 49.
The working principle is as follows: feeding grains to be dried into the drying box 2 from the top of the first feeding section 201, and starting the hot air blower 4 when the grains pass through the drying box, wherein the hot air blower 4 blows hot air into the storage box 7 from the air inlet pipe 8; the grains fall into the storage bin 7 from the first feeding section 201; when the grains fall into the storage box 7, the grains can be dried by hot air blown out by the hot air blower 4, then the grains can fall onto the first baffle plate 19 to be stacked, and when grain components are increased; the weight of the grain becomes a driving force to drive the first baffle plate 19 to slide downwards in the first chute 17 and the second chute 18, the first baffle plate 19 compresses the third spring 20, after the first baffle plate 19 moves downwards, the grain stacked at the topmost part of the first baffle plate 19 is just positioned at the right side of the air inlet pipe 8, the grain can be continuously dried by hot air for a period of time, and the residual heat in the storage box 7 can heat and dry the stacked grain close to the first baffle plate 19; the grains can be dried continuously in the temporary storage area 15, and the grains can be dried more quickly; when grains are slowly accumulated, the weight of the grains can drive the first material blocking plates 19 to continuously move downwards (it should be noted that due to the arrangement of the push rods 21, all the first material blocking plates 19 can only synchronously slide downwards, so that only when all the grains in the temporary storage area 15 reach a certain amount, the first material blocking plates 19 can only downwards move to the position where the grains fall into the storage hopper), the first material blocking plates 19 can drive the push rods 21 to synchronously move downwards, when the push rods 21 downwards move to be in contact with the top surfaces of the first sliding blocks 14, the push rods 21 can drive the first sliding blocks 14 to move downwards, and the first sliding blocks 14 can drive the first limiting blocks 11 to move forwards through the first traction ropes 13; in the process, the first striker plate 19 can also drive the second limiting block 22 to slide outwards by extruding the inclined surface at the top of the second limiting block 22, and the second limiting block 22 cannot block the first striker plate 19 from moving upwards; when the first limiting block 11 moves forwards to be separated from contact with the sealing plate 9, the sealing plate 9 moves downwards under the action of the elastic force of the first spring 10 in a compressed state to close the air inlet pipe 8; the sealing plate 9 at the upper left side can be electrically connected with the air heater 4, the air heater 4 stops working when the sealing plate 9 moves downwards to close the air inlet pipe 8, and the air heater starts working when the sealing plate 9 moves upwards to open the air inlet pipe 8; the hot air blower does not work any more after the air inlet pipe 8 is closed by the sealing plate 9, so that the energy consumption of the hot air blower can be reduced; at the moment, the left side and the right side of the storage box 7 are shielded by the sealing plates 9, the storage hopper below is shielded by the second material blocking plate 25, and a baffle plate can be arranged at the top of the storage box 7, so that the heat in the storage box 7 cannot be greatly dissipated; when the air inlet pipe 8 is closed by the sealing plate 9, the first baffle plate 19 just moves to the position below the second limiting block 22 and is limited by the second limiting block 22; then the grains stacked on the first striker plate 19 can fall into the storage hopper 24 from the first striker plate 19; part of the heat in the storage box 7 is transferred to the storage hopper 24 along with the grains, and the grains in the storage box 7 fall into the storage hopper 24; starting the first driving part, enabling the first driving part to drive the second limiting block 22 to slide outwards to cancel limiting on the first baffle plate 19, enabling the first baffle plate 19 to move upwards under the action of the elastic force of the third spring 20, enabling the first driving part to drive the sealing plate 9 to move upwards after the first baffle plate 19 returns to the initial position, enabling the sealing plate 9 to open the air inlet pipe 8, enabling the first limiting block 11 to limit the sealing plate 9 after the sealing plate 9 moves upwards to the position above the first limiting block 11, enabling the hot air fan 4 to be opened at the moment, then putting grains into the storage box 7 again, and performing primary drying again; then, starting a second driving part, wherein the second driving part can drive the second baffle plate 25 to be opened and closed intermittently, when the second baffle plate 25 is opened, grains in the storage hopper 24 can fall into the storage box 7 in the second drying section 204, and then the grains are dried again in the second drying section 204; the second material blocking plate 25 is intermittently turned off, so that the amount of grains falling into the lower temporary storage area 15 is small every time, then the grains can be dried in the lower temporary storage area 15 for a longer time, the grains can be dried more quickly and better, and the hot air in the second drying section 204 can be absorbed by the storage hopper 24; then the storage hopper 24 can transfer heat to the grains in the storage hopper 24, so that the grains in the storage hopper 24 which need to be dried for the second time can be preheated, the grains can be dried more quickly and better, the number of times of circulating drying of the grains can be reduced, and the grain drying efficiency can be greatly increased; after all the grains fall into the storage hopper 24 at the lower part, the second material baffle plate 25 closes the storage hopper 24 at the upper part; then the weight of the grain in the storage box 7 below reaches a specified value, then the grain dried by the second drying section 204 falls into the storage hopper 24 below, then falls out of the drying box 2 from the storage hopper 24 below and is collected by the circulating feeding assembly, then the circulating feeding assembly conveys the grain to the top of the drying box 2, and then the grain is dried again.
Claims (8)
1. The utility model provides an energy-saving grain drying-machine with two stoving sections which characterized in that: the drying device comprises a base (1), wherein a drying box (2) is fixedly connected to the base (1), and the drying box (2) consists of a first feeding section (201), a first drying section (202), a second feeding section (203) and a second drying section (204) which are sequentially arranged from top to bottom; air inlets (3) are formed in the left side wall and the right side wall of the first drying section (202) and the second drying section (204); the hot air blower (4) positioned outside the air inlet (3) is fixedly connected to the outer wall of the left side of the first drying section (202), the communicating pipe (5) positioned outside the air inlet (3) is fixedly connected to the outer wall of the right side of the first drying section (202), the bottom end of the communicating pipe (5) is fixedly connected with the second drying section (204), and the communicating pipe (5) is used for communicating the air inlet (3) on the right side of the first drying section (202) and the air inlet (3) on the right side of the second drying section (204); an air outlet pipe (6) positioned outside the left air inlet (3) is fixedly connected to the left side wall of the second drying section (204); a circulating feeding assembly is arranged below the second drying section (204); the circulating feeding assembly is used for collecting grains falling from the second drying section (204) and conveying the grains into the first feeding section (201) for circulating drying; and drying components are arranged on the inner sides of the first drying section (202) and the second drying section (204).
2. The energy-saving grain dryer with double drying sections according to claim 1, wherein: the drying assembly comprises a material storage box (7) and a first driving part;
the storage box (7) is fixedly connected with the inner wall of the first drying section (202), air inlet pipes (8) are fixedly connected to the left side wall and the right side wall of the storage box (7), and the outer ends of the air inlet pipes (8) are fixedly connected with the air inlets (3) respectively; the air inlet pipes (8) are all connected with sealing plates (9) in a sliding manner; the sealing plates (9) are fixedly connected with first springs (10) for resetting the sealing plates, the side edges of the sealing plates (9) are respectively provided with a first limiting block (11) capable of limiting the sealing plates, and the first limiting blocks (11) are connected with the first drying section (202) in a sliding mode; the first limiting blocks (11) are fixedly connected with second springs (12) for resetting the first limiting blocks, the first limiting blocks (11) are fixedly connected with first traction ropes (13), the bottom ends of the first traction ropes (13) are fixedly connected with first sliding blocks (14), and the first sliding blocks (14) are connected with the first drying section (202) in a sliding mode;
a plurality of same temporary storage areas (15) are arranged in the material storage box (7), and the temporary storage areas (15) are separated by partition plates (16); a first sliding chute (17) and a second sliding chute (18) are formed in the inner wall of the temporary storage area (15); the first chute (17) and the second chute (18) are jointly connected with a first material baffle plate (19) in a sliding manner, a third spring (20) for resetting the first material baffle plate (19) is fixedly connected in the first chute (17), the first material baffle plate (19) is jointly provided with a push rod (21), the left end and the right end of the push rod (21) extend to the outer side of the material storage box (7), and the push rod (21) is connected with the material storage box (7) in a sliding manner in the vertical direction; the push rod (21) can drive the first sliding block (14) to slide downwards; second limiting blocks (22) capable of limiting the first material baffle plate (19) are arranged below the first material baffle plate, and the second limiting blocks (22) are connected with the material storage box (7) in a sliding mode in the front-back direction; the limiting block is fixedly connected with a gas spring (23) for resetting;
the bottom of the storage box (7) is fixedly connected with a storage hopper (24), the storage hopper (24) is in a funnel shape with a large top and a small bottom, a second baffle plate (25) for shielding the bottom of the storage hopper (24) is arranged below the storage hopper (24), the second baffle plate (25) is rotatably connected with a frame body (26), the frame body (26) is fixedly connected with the side wall of the first drying section (202), a second driving part is arranged on the frame body (26), and the second driving part is used for driving the second baffle plate (25) to move to open the storage hopper (24) after grains on the first baffle plate fall into the storage hopper (24) and return to an initial position;
the first drive section is disposed inside the first drying section (202).
3. The energy-saving grain dryer with double drying sections according to claim 2, wherein: the first driving part comprises a cylinder (27), the cylinder (27) is fixedly connected with the first drying section (202), a second sliding block (28) is fixedly connected with the telescopic end of the cylinder (27), and a third sliding block (29) is connected with the second sliding block (28) in a sliding manner; a first sliding rod (30) which can be driven by the third sliding block to move downwards is arranged below the third sliding block (29), the first sliding rod (30) is connected with the material storage box (7) in a sliding mode in the vertical direction, a plurality of second traction ropes (31) are fixedly connected to the first sliding rod (30), the number of the second traction ropes (31) is the same as that of the second limiting blocks (22), and the top ends of the second traction ropes (31) are fixedly connected with the second limiting blocks (22) respectively; a first wedge-shaped block (32) capable of driving the third slide block (29) to move forwards is arranged below the third slide block; a second wedge-shaped block (33) capable of driving the third sliding block (29) to move backwards is arranged above the third sliding block, and the first wedge-shaped block (32) and the second wedge-shaped block (33) are both fixedly connected to the side wall of the first drying section (202); a second sliding rod (34) which can be driven by the third sliding block to move downwards is arranged below the third sliding block (29), two third traction ropes (35) are fixedly connected to the second sliding rod (34), and the top ends of the two third traction ropes (35) are fixedly connected with the two sealing plates (9) respectively.
4. The energy-saving grain dryer with double drying sections according to claim 2, wherein: the second driving part comprises a motor (36) and an arc-shaped spring (37), the motor (36) is fixedly connected with the frame body (26), an output shaft of the motor (36) is fixedly connected with an incomplete gear (38), the incomplete gear (38) is meshed with a first gear (39), and the first gear (39) is fixedly connected with a rotating shaft of the second material blocking plate (25); one end of the arc-shaped spring (37) is fixedly connected with the bottom of the second material retaining plate (25), and the other end of the arc-shaped spring (37) is fixedly connected with the frame body (26).
5. The energy-saving grain dryer with double drying sections according to claim 2, wherein: the second spout (18) comprise perpendicular groove (40) and arc groove (41), first striker plate (19) and perpendicular groove (40) sliding connection in vertical direction, first striker plate (19) can be at arc groove (41) internal rotation.
6. The energy-saving grain dryer with double drying sections according to claim 2, wherein: the circulating feeding assembly comprises a receiving frame (42), and the receiving frame (42) is positioned below the material storage hopper (24) in the second drying section (204); the material receiving frame (42) is connected with a C-shaped baffle (43) in a sliding mode in the front-back direction, the C-shaped baffle (43) and the material receiving frame (42) can form a rectangular box with an upper end opened, a sliding plate (44) capable of driving the material receiving frame (42) to move in the front-back direction is arranged on the outer side of the material receiving frame (42), the sliding plate (44) is connected with the base (1) in a sliding mode, the sliding plate (44) is connected with a first threaded rod (45) in a threaded mode, and the first threaded rod (45) is connected with the base (1) in a rotating mode; the front side of material receiving frame (42) still is provided with bearing frame (46) that is used for driving its rebound, bearing frame (46) and base (1) sliding connection on vertical direction, threaded connection has second threaded rod (47) on bearing frame (46), second threaded rod (47) are connected with base (1) rotation.
7. The energy-saving grain dryer with double drying sections according to claim 2, wherein: two shielding plates (48) are fixedly connected to the push rod (21), and the two shielding plates (48) are respectively attached to the left outer wall and the right outer wall of the material storage box (7).
8. The energy-saving grain dryer with double drying sections according to claim 2, wherein: the bottom of the first sliding block (14) is fixedly connected with a fourth spring (49), and the bottom end of the fourth spring (49) is fixedly connected with the drying box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129972.5A CN114459231A (en) | 2022-02-11 | 2022-02-11 | Energy-saving grain drying-machine with two stoving sections |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210129972.5A CN114459231A (en) | 2022-02-11 | 2022-02-11 | Energy-saving grain drying-machine with two stoving sections |
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| CN114459231A true CN114459231A (en) | 2022-05-10 |
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| CN202210129972.5A Pending CN114459231A (en) | 2022-02-11 | 2022-02-11 | Energy-saving grain drying-machine with two stoving sections |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115111889A (en) * | 2022-08-01 | 2022-09-27 | 江苏捷达粮食设备有限公司 | High-efficient cereal drying device |
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| CN111442608A (en) * | 2020-03-11 | 2020-07-24 | 安徽喜洋洋农业科技有限公司 | Grain drying equipment and drying method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205106216U (en) * | 2015-08-14 | 2016-03-30 | 章丘市宇龙机械有限公司 | Grain dryer |
| CN206994271U (en) * | 2017-05-26 | 2018-02-13 | 梁生英 | A kind of efficient foodstuff drying device |
| CN109258802A (en) * | 2018-09-14 | 2019-01-25 | 李翠霞 | A kind of tower grain three-stage drying is mechanical |
| CN110986550A (en) * | 2019-12-18 | 2020-04-10 | 张长胜 | Laborsaving grain drying-machine of intelligence based on gravity changes ration and dries |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115111889A (en) * | 2022-08-01 | 2022-09-27 | 江苏捷达粮食设备有限公司 | High-efficient cereal drying device |
| CN115111889B (en) * | 2022-08-01 | 2024-02-13 | 淮安保粮工程机械有限公司 | High-efficient cereal drying device |
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Application publication date: 20220510 |