CN113654312B - Cross-flow type grain drying mechanism and grain drying machine - Google Patents
Cross-flow type grain drying mechanism and grain drying machine Download PDFInfo
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- CN113654312B CN113654312B CN202110984320.5A CN202110984320A CN113654312B CN 113654312 B CN113654312 B CN 113654312B CN 202110984320 A CN202110984320 A CN 202110984320A CN 113654312 B CN113654312 B CN 113654312B
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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
- F26B9/063—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers for drying granular material in bulk, e.g. grain bins or silos with false floor
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—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
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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
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a cross-flow type grain drying mechanism and a grain dryer, which comprise a plurality of hot air boxes and a plurality of cold air boxes which are vertically and alternately arranged, wherein the upper and lower parts of two sides of each hot air box are respectively provided with a first hot air outlet and a second hot air outlet, the upper and lower parts of two sides of each cold air box are respectively provided with a hot air inlet and a cold air outlet, a cleaning brush is fixedly connected with a push plate, the push plate is provided with an extrusion plate in a matched extrusion manner, the extrusion plate is fixedly connected with a plurality of second elastic blocks, the second elastic blocks are fixedly connected with a first splitter plate, and the first splitter plate is fixedly connected with a second splitter plate through pull ropes. When the hot air inlet is cleaned, the grains are scattered and flow downwards, and the heating uniformity of the grains is improved.
Description
Technical Field
The invention relates to the technical field of grain drying, in particular to a cross-flow type grain drying mechanism and a grain drying machine.
Background
Various grains harvested in agriculture are subjected to dehumidification and drying treatment, and the dehumidification and drying treatment aims to reduce the internal moisture and the water content of the grains, so that the quality of grain storage is effectively guaranteed, the mildew and germination probability of the grains is reduced, and the grain safety is guaranteed.
Among the prior art, a cross-flow formula grain drying mechanism of application number "201610219447.7", including advancing hot-blast cover, play cooling fan housing, a plurality of sieve and a plurality of baffle, divide drying mechanism into a plurality of dry layers through a plurality of baffles, make the hot-blast main and the cooling air duct of every dry layer set up in turn, and make the hot-blast main and the cooling air duct of two adjacent dry layers crisscross the arranging, improve the thermal degree of consistency of absorption among the grain drying process, make grain drying even.
However, the prior art still has major defects, such as: the technology lacks a tempering step when grains are dried, so that the grains are easily cracked due to self internal stress in the drying process, the grains are damaged, and the subsequent use of the grains is adversely affected; 2, hot-blast ventilation hole on through the sieve among the above-mentioned technique flows in the grain passageway and finally flows through cooling duct from the hot-blast way, and hot-blast in-process that flows in cooling duct through the grain passageway, and the ventilation hole on the sieve is easily stopped up and is caused the jam to the cereal of tiny granule under hot-blast blowing for grain passageway local heat is piled up and harm cereal.
Disclosure of Invention
The invention aims to provide a cross-flow type grain drying mechanism and a grain drying machine, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a cross-flow type grain drying mechanism comprises a plurality of hot air boxes and a plurality of cold air boxes which are vertically and alternately arranged, wherein the upper parts of the hot air boxes are communicated with a hot air blower, a plurality of first hot air outlets are formed in the upper parts of two sides of each hot air box, a plurality of second hot air outlets are formed in the lower parts of two sides of each hot air box, the upper parts of the cold air boxes are communicated with a cold air blower, a plurality of hot air inlets are formed in the upper parts of two sides of each cold air box, and a plurality of cold air outlets are formed in the lower parts of two sides of each cold air box;
arbitrary one the equal symmetrical fixedly connected with first elastic block in inner wall both sides on the cold air box, and first elastic block below fixedly connected with along being close to the push pedal that the slope of cold air box middle part direction set up downwards, push pedal fixedly connected with cooperation inserts the cleaning brush of hot-blast import, and one side that two push pedals were kept away from each other respectively cooperates the extrusion and is provided with stripper plate, two the side that the stripper plate was kept away from each other all downward interval fixedly connected with a plurality of second elastic blocks, and fixedly connected with elastic connection piece between two stripper plates, arbitrary one the equal fixedly connected with of second elastic block slides and stretches out the first diversion plate of cold air box middle part lateral wall, the one end below that first diversion plate stretches out the cold air box is divided through stay cord fixedly connected with second diversion plate, and second diversion plate is through third elastic block and hot-blast box lateral wall fixed connection.
Preferably, the number of the second hot air outlets arranged in the same hot air box is greater than that of the first hot air outlets.
Preferably, any one first hot air outlet below all cooperates and is provided with first induced air board, and first induced air board fixed connection on hot-blast box inside wall and upwards sets up along being close to the slope of hot-blast box middle part direction, arbitrary one second hot air outlet below all cooperates and is provided with the second induced air board, and second induced air board fixed connection on hot-blast box inside wall and upwards sets up along being close to the slope of hot-blast box middle part direction, arbitrary one cold air outlet below also all cooperates and is provided with the second induced air board, and second induced air board fixed connection on the cold-blast box inside wall and upwards sets up along being close to the slope of cold-blast box middle part direction.
Preferably, the inward extending distance of the first air guide plate of the same hot air box increases in sequence along the downward direction, the inward extending distance of the second air guide plate of the same hot air box increases in sequence along the downward direction, and the inward extending distance of any one of the second air guide plates of the same hot air box is not less than the inward extending distance of the first air guide plate at the lowest position.
Preferably, all hot-blast case upper portion is through hot-blast connecting pipe intercommunication, and hot-blast connecting pipe and air heater air outlet intercommunication, all cold-blast case upper portion is through cold wind connecting pipe intercommunication, and cold wind connecting pipe and air cooler air outlet intercommunication.
The utility model provides a grain drier, includes grain drier main part, still includes foretell cross flow formula grain drying mechanism, grain drier main part is including feeding box, drying cabinet and the ejection of compact case that from top to bottom communicates in proper order, and hot-blast case and the fixed setting of cold-blast case are inside the drying cabinet.
Preferably, a support column is fixedly connected below the discharge box.
Compared with the prior art, the invention has the beneficial effects that:
the device is provided with openings at the upper and lower parts of the hot air box and the cold air box, and the middle parts of the hot air box and the cold air box are not provided with openings, so that a tempering space for tempering grains is reserved, the internal stress of the grains in the drying process is reduced, the grains are prevented from being cracked due to the internal stress in the drying process, adverse effects on grain drying are avoided, the grains are blocked by the arrangement of the first splitter plate and the second splitter plate, and the tempering time is prolonged;
2, the device cleans the hot air inlet through the matching arrangement of the push plate, the cleaning brush, the extrusion plate and the first splitter plate, prevents grains from blocking the hot air inlet under the blowing of wind power flowing out of the first hot air outlet, causes local heat accumulation to damage the grains, enables the first splitter plate and the second splitter plate to incline downwards, enables the grains to be scattered and flow downwards under the inclined matching of the first splitter plate and the second splitter plate, improves the heating uniformity of the grains, and improves the drying uniformity of the grains;
3, this device passes through the business turn over wind setting of hot-blast case and cold wind case for hot-blast heating the cold wind case, reduce the temperature difference between cold wind case and the hot-blast case, make the drying process of cereal more even, and the increase air output of seting up of second hot air exitus and cold wind export, improve the drying efficiency to tempering back cereal.
According to the cross-flow type grain drying mechanism and the grain drying machine, the hot air box and the cold air box are provided with the openings at the middle parts to leave a space for tempering grains, the grains are blocked by the second splitter plate to prolong the tempering time of the grains, and the first splitter plate and the second splitter plate are matched through the push plate, the cleaning brush, the first splitter plate and the second splitter plate, so that the grains are scattered in an inclined matching manner and flow downwards while a hot air inlet is cleaned, and the heating uniformity of the grains is improved.
Drawings
FIG. 1 is a schematic front sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of the swing of the cold air blowing push plate according to the present invention;
FIG. 3 is a schematic view of the arrangement of hot air boxes and cold air boxes in the present invention;
fig. 4 is an enlarged schematic view of the structure of the area a in fig. 3.
In the figure: 1 hot-blast case, 101 first hot-blast export, 102 second hot-blast export, 2 cold-blast cases, 201 hot-blast import, 202 cold wind export, 3 hot-blast machines, 4 cold-blasts, 5 first elastic blocks, 6 push pedals, 7 cleaning brushes, 8 stripper plates, 9 second elastic blocks, 10 first splitter plates, 11 third elastic blocks, 12 second splitter plates, 13 stay cords, 14 elastic connection piece, 15 first induced air board, 16 second induced air board, 17 hot-blast connecting pipe, 18 cold wind connecting pipe, 19 feed box, 20 drying cabinet, 21 play workbin, 22 support columns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a cross-flow grain drying mechanism comprises a plurality of hot air boxes 1 and a plurality of cold air boxes 2 which are vertically and alternately arranged, grains fall through gaps between the adjacent hot air boxes 1 and the adjacent cold air boxes 2, the hot air boxes 1 and the cold air boxes 2 dry the grains in the grain falling process, the upper parts of all the hot air boxes 1 are communicated through hot air connecting pipes 17, the hot air connecting pipes 17 are communicated with air outlets of hot air blowers 3, the hot air blowers 3 supply air to the hot air boxes 1 through the matching arrangement of the hot air connecting pipes 17 and the hot air boxes 1, the upper parts of all the cold air boxes 2 are communicated through cold air connecting pipes 18, the cold air connecting pipes 18 are communicated with air outlets of cold air blowers 4, and the cold air blowers 4 supply air to the cold air boxes 2 through the matching arrangement of the cold air connecting pipes 18 and the cold air boxes 2;
the upper part of the hot air box 1 is communicated with a hot air machine 3, so that hot air flows from top to bottom in the hot air box 1, the upper parts of two sides of the hot air box 1 are provided with a plurality of first hot air outlets 101, the hot air flows out through the first hot air outlets 101 and heats and dries grains, at the moment, the hot air has higher heat, the heating and drying efficiency of the grains can be obviously improved, a first air guide plate 15 is arranged below any one of the first hot air outlets 101 in a matching way, the first air guide plate 15 is fixedly connected on the inner side wall of the hot air box 1 and is obliquely and upwards arranged along the direction close to the middle part of the hot air box 1, the arrangement of the first air guide plate 15 plays a role in guiding the hot air, so that the hot air can more easily flow out through the first hot air outlets 101, the inward extending distance of the first air guide plate 15 of the same hot air box 1 is sequentially increased along the downward direction, and each first air guide plate 15 can guide enough hot air to flow out of the first hot air outlets 101, the side wall of the middle part of the hot air box 1 is not provided with an air outlet, but the side wall of the middle part of the hot air box 1 has higher temperature under the heat exchange of hot air, grains staying at the side wall of the middle part of the hot air box 1 are slowly threshed, so that moisture in the grains is diffused outwards, the gradient difference of the moisture inside and outside the grains is reduced, the internal stress of the grains in the drying process is reduced, the grains are prevented from being cracked due to the internal stress in the drying process, and adverse effects are caused to the drying of the grains, the lower parts of the two sides of the hot air box 1 are provided with a plurality of second hot air outlets 102, the slowly threshed grains are dried by the second hot air outlets 102, the moisture diffused to the outside of the grains in the slowly threshing process of the grains is removed, the number of the second hot air outlets 102 arranged in the same hot air box 1 is larger than the number of the first hot air outlets 101, so that enough air can flow out from the second hot air outlets to dry the grains, a second air guide plate 16 is arranged below any one of the second hot air outlets 102 in a matching way, the second air guide plates 16 are fixedly connected to the inner side wall of the hot air box 1 and are obliquely and upwardly arranged along the direction close to the middle of the hot air box 1, the arrangement of the second air guide plates 16 plays a role in guiding hot air, so that the hot air can more easily flow out through the second hot air outlet 102, the inward extending distance of the second air guide plates 16 of the same hot air box 1 is sequentially increased along the downward direction, the inward extending distance of any one second air guide plate 16 of the same hot air box 1 is not less than the inward extending distance of the first air guide plate 15 at the lowest part, and each second air guide plate 16 can guide enough hot air to flow out of the second hot air outlet 102;
the upper part of the cold air box 2 is communicated with an air cooler 4, so that cold air flows from top to bottom in the cold air box 2, the upper parts of two sides of the cold air box 2 are provided with a plurality of hot air inlets 201, hot air flowing out of a first hot air outlet 101 passes through grains and then enters the cold air box 2 through the hot air inlets 201, the grains are prevented from being damaged due to heat accumulation, the hot air entering the cold air box 2 is mixed with the cold air in the cold air box 2 to heat the cold air box 2, the temperature of the cold air box 2 is improved, so that the temperature difference between the cold air box 2 and the hot air box 1 is reduced, the drying process of the grains is more uniform, the lower parts of two sides of the cold air box 2 are provided with a plurality of cold air outlets 202, the air of the cold air box 2 is discharged through the cold air outlets 202, the slow-threshed grains are dried, the air quantity is increased through the arrangement of the second hot air outlet 102 and the cold air outlets 202, and the drying efficiency of the slow-threshed grains is improved, a second air guide plate 16 is also arranged below any one cold air outlet 202 in a matched manner, the second air guide plate 16 is fixedly connected to the inner side wall of the cold air box 2 and is obliquely and upwards arranged along the direction close to the middle part of the cold air box 2, and the arrangement of the second air guide plate 16 plays a role in guiding cold air, so that the cold air can easily flow out through the cold air outlet 202;
the two sides of the upper inner wall of any one cold air box 2 are symmetrically and fixedly connected with a first elastic block 5, a push plate 6 which is obliquely and downwards arranged along the direction close to the middle part of the cold air box 2 is fixedly connected below the first elastic block 5, the push plate 6 is fixedly connected with a cleaning brush 7 which is inserted into the hot air inlet 201 in a matching way, a frequency converter is arranged on the cold air fan 4, the air volume of the cold air fan 4 can be automatically adjusted, and further the air intake of the cold air box 2 is adjusted, so that the cold air box 2 firstly feeds a section of small flow air volume for a long time and then feeds a section of large flow air volume for a short time, the small flow air volume and the large flow air volume are alternated in a reciprocating way, when the small flow air volume is fed into the cold air box 2, the air volume is not enough to push the oblique push plate 6 to deflect outwards, when the large flow air volume is fed into the cold air box 2, the air volume pushes the push plate 6 to deflect outwards, the cleaning brush 7 is inserted into the hot air inlet 201 under the driving of the push plate 6 to clean the hot air inlet 201, the grain drying device has the advantages that the grain is prevented from being blocked from the hot air inlet 201 under the blowing of wind power flowing out of the first hot air outlet 101, so that local heat is accumulated to damage the grain, the push plate 6 deflects to drive the first elastic connecting block 5 to generate elastic deformation, when the air volume is reduced, the first elastic connecting block 5 drives the push plate 6 to deflect outwards to reset, so that the cleaning brush 7 is away from the hot air inlet 201, in addition, when the small-flow air volume is introduced into the cold air box 2, the cold air box 2 is easy to heat up under the hot air heat exchange, the temperature difference between the hot air box 1 and the cold air box 2 is further reduced, and the uniformity in the grain drying process is improved;
the sides of the two push plates 6 far away from each other are respectively provided with an extrusion plate 8 in a matched extrusion manner, the sides of the two extrusion plates 8 far away from each other are fixedly connected with a plurality of second elastic blocks 9 downwards at intervals, an elastic connecting block 14 is fixedly connected between the two extrusion plates 8, any one second elastic block 9 is fixedly connected with a first flow distribution plate 10 which slidably extends out of the side wall of the middle part of the cold air box 2, the lower part of one end of the first flow distribution plate 10 extending out of the cold air box 2 is fixedly connected with a second flow distribution plate 12 through a pull rope 13, the second flow distribution plate 12 is fixedly connected with the side wall of the hot air box 1 through a third elastic block 11, when small air volume is introduced into the cold air box 2, the push plates 6 do not deflect, the two extrusion plates 8 are kept stable under the pulling of the elastic connecting block 14, the extrusion plates 8 pull the first flow distribution plate 10 into the hot air box 2 through the second elastic blocks 9, the first flow distribution plate 10 pulls the second flow distribution plate 12 through the pull rope 13 to block the gap between the hot air box 1 and the cold air box 2, when the cold air box 2 is filled with large flow of air, the push plate 6 deflects outwards and presses the extrusion plate 8, so that the extrusion plate 8 moves towards the direction close to the inner side wall of the cold air box 2, the two extrusion plates 8 are far away from each other, the elastic connecting block 14 is elastically deformed and elongated, the extrusion plate 8 moves outwards and drives the first flow distribution plate 10 and the second elastic block 9 to extend out of the side wall of the cold air box 2, the first flow distribution plate 10 inclines downwards along the direction close to the adjacent hot air box 1 under the gravity action of the grains, so that the second elastic connecting block 9 is elastically deformed, the first flow distribution plate 10 inclines downwards to enable the pull rope 13 to loosen, and the second flow distribution plate 12 inclines downwards towards the direction close to the adjacent cold air box 2 under the gravity action of the grains, the second flow dividing plate 12 does not block the flow channel of the grains any more, the tempered grains continue to flow downwards, the grains flowing downwards pass through the lower parts of the adjacent side walls of the cold air box 2 and the hot air box 1 and are dried under the blowing of wind power at two sides, and in addition, the first flow dividing plate 10 and the second flow dividing plate 12 which are inclined downwards in a staggered mode break up the grains, so that the grains are uniformly mixed in the flowing process, and the problem that the grains are not uniformly dried due to uneven heating is solved.
The utility model provides a grain drier, including the grain drier main part, still include foretell cross-flow formula grain drying mechanism, the grain drier main part is including the feeding case 19 that from top to bottom feeds through in proper order, drying cabinet 20 and play workbin 21, and hot-blast case 1 and the fixed setting of cold wind case 2 are inside drying cabinet 20, cereal passes through feeding case 19 and gets into in drying cabinet 20, and set up down the drying in hot-blast case 1 and the cooperation of cold wind case 2, cereal after the drying flows through play workbin 21, go out workbin 21 below fixedly connected with support column 22, support column 22 improves the stability of grain drier main part.
The working principle is as follows: when the large flow of air is introduced into the cold air box 2, the air pushes the push plate 6 to deflect outwards, the cleaning brush 7 is driven by the push plate 6 to be inserted into the hot air inlet 201 to clean the hot air inlet 201, the push plate 6 deflects to drive the first elastic connecting block 5 to elastically deform, and when the air flow is reduced, the first elastic connecting block 5 drives the push plate 6 to deflect outwards to reset, so that the cleaning brush 7 leaves the hot air inlet 201;
the push plate 6 deflects outwards and presses the extrusion plates 8, so that the extrusion plates 8 move towards the direction close to the inner side wall of the cold air box 2, the two extrusion plates 8 are far away from each other, the elastic connecting block 14 is elastically deformed and elongated, the extrusion plates 8 move outwards and drive the first splitter plate 10 and the second elastic block 9 to extend out of the side wall of the cold air box 2, the first splitter plate 10 inclines downwards along the direction close to the adjacent hot air box 1 under the action of the gravity of grains, the second elastic connecting block 9 is elastically deformed, the first splitter plate 10 inclines downwards to enable the pull rope 13 to be loose, the second splitter plate 12 inclines downwards towards the direction close to the adjacent cold air box 2 under the action of grain gravity, the second splitter plate 12 no longer blocks the flow channel of the grains, the tempered grains continue to flow downwards, and the first splitter plate 10 and the second splitter plate 12 which are inclined downwards in a staggered mode break up the grains, so that the grains are fully and uniformly mixed in the flowing process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cross flow formula grain drying mechanism, includes hot-blast case (1) and cold-blast case (2) of a plurality of vertical settings in turn, its characterized in that: the upper part of the hot air box (1) is communicated with a hot air blower (3), the upper parts of two sides of the hot air box (1) are provided with a plurality of first hot air outlets (101), the lower parts of two sides of the hot air box (1) are provided with a plurality of second hot air outlets (102), the upper part of the cold air box (2) is communicated with a cold air blower (4), the upper parts of two sides of the cold air box (2) are provided with a plurality of hot air inlets (201), and the lower parts of two sides of the cold air box (2) are provided with a plurality of cold air outlets (202);
both sides of the upper inner wall of any one of the cold air boxes (2) are symmetrically and fixedly connected with first elastic blocks (5), the lower part of each first elastic block (5) is fixedly connected with push plates (6) which are obliquely and downwards arranged along the direction close to the middle part of the cold air box (2), the push plates (6) are fixedly connected with cleaning brushes (7) which are matched with and inserted into the hot air inlet (201), one sides of the two push plates (6) which are far away from each other are respectively provided with extrusion plates (8) in a matched and extruded mode, the sides of the two extrusion plates (8) which are far away from each other are fixedly connected with a plurality of second elastic blocks (9) downwards at intervals, an elastic connecting block (14) is fixedly connected between the two extrusion plates (8), any one of the second elastic blocks (9) is fixedly connected with a first splitter plate (10) which is slidably extended out of the side wall of the middle part of the cold air box (2), and the lower part of one end of the first splitter plate (10) which is extended out of the cold air box (2) is fixedly connected with a second splitter plate (12) through a pull rope (13), and the second splitter plate (12) is fixedly connected with the side wall of the hot air box (1) through a third elastic block (11).
2. A cross-flow grain drying mechanism as claimed in claim 1 wherein: the number of the second hot air outlets (102) arranged in the same hot air box (1) is larger than that of the first hot air outlets (101).
3. A cross-flow grain drying mechanism as claimed in claim 2 wherein: arbitrary one first hot-blast outlet (101) below all cooperates and is provided with first induced air board (15), and first induced air board (15) fixed connection on hot-blast case (1) inside wall and upwards sets up along being close to hot-blast case (1) middle part direction slope, arbitrary one second hot-blast outlet (102) below all cooperates and is provided with second induced air board (16), and second induced air board (16) fixed connection on hot-blast case (1) inside wall and upwards sets up along being close to hot-blast case (1) middle part direction slope arbitrary one cold wind outlet (202) below also all cooperates and is provided with second induced air board (16), and second induced air board (16) fixed connection on cold-blast case (2) inside wall and upwards sets up along being close to cold-blast case (2) middle part direction slope.
4. A cross-flow grain drying mechanism as set forth in claim 3 wherein: the inward extending distance of the first air guide plates (15) of the same hot air box (1) is sequentially increased along the downward direction, the inward extending distance of the second air guide plates (16) of the same hot air box (1) is sequentially increased along the downward direction, and the inward extending distance of any one of the second air guide plates (16) of the same hot air box (1) is not less than the inward extending distance of the first air guide plate (15) at the bottom.
5. A cross-flow grain drying mechanism as set forth in claim 1 wherein: all hot-blast case (1) upper portion is through hot-blast connecting pipe (17) intercommunication, and hot-blast connecting pipe (17) and air heater (3) air outlet intercommunication, all cold-blast case (2) upper portion is through cold wind connecting pipe (18) intercommunication, and cold wind connecting pipe (18) and air-cooler (4) air outlet intercommunication.
6. A grain drier, includes grain drier main part, its characterized in that: the cross-flow type grain drying mechanism further comprises a cross-flow type grain drying mechanism as claimed in any one of claims 1 to 5, wherein the grain drying mechanism body comprises a feeding box (19), a drying box (20) and a discharging box (21) which are sequentially communicated from top to bottom, and the hot air box (1) and the cold air box (2) are fixedly arranged inside the drying box (20).
7. The grain dryer of claim 6, wherein: and a support column (22) is fixedly connected below the discharge box (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984320.5A CN113654312B (en) | 2021-08-25 | 2021-08-25 | Cross-flow type grain drying mechanism and grain drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984320.5A CN113654312B (en) | 2021-08-25 | 2021-08-25 | Cross-flow type grain drying mechanism and grain drying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113654312A CN113654312A (en) | 2021-11-16 |
| CN113654312B true CN113654312B (en) | 2022-07-15 |
Family
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