CN217604619U - High-efficient cotton seed drying device - Google Patents

Abstract

The utility model discloses a high-efficient cotton seed drying device, including the stoving case, the pay-off spare, include with a feed end and a discharge end of the double-phase external lateral wall rigid coupling of stoving case, it puts the piece to be provided with the shop on the feed end, stoving incasement is provided with conveyer belt and driven band, driven band is located the conveyer belt top, be provided with the cotton seed between conveyer belt and the driven band, driven band passes through the conveyer belt and is connected with the rotation of stoving case, conveyer belt and feed end and discharge end intercommunication, all be provided with circulating fan in conveyer belt and the driven band, wherein, air inlet spare is given vent to anger the end and is provided with corresponding with the driven band top with air inlet end, air inlet spare and air outlet spare top rigid coupling have the heat transfer piece, air inlet spare air inlet end and air outlet spare air-out end and the inside intercommunication of heat transfer piece. The utility model provides high device drying efficiency shortens its stoving time of consuming to high-efficient heat energy of utilizing reduces the stoving energy consumption.

Description

High-efficient cotton seed drying device

Technical Field

The utility model relates to a drying-machine field especially relates to a high-efficient cotton seed drying device.

Background

The influence of seed moisture on seed longevity makes seed drying, especially artificial drying, almost an essential condition for producing good quality seeds. The seed drying is particularly important, and the seeds with high water content are harvested and dried in time, so that the seeds can quickly generate heat and deteriorate. During storage, the water content is 12-14%, the water content is 16%, the water begins to generate heat, 35-60% of the water begins to germinate, and the grain seeds reach physiological and functional maturity when the water content is 35-45% according to different types of crops. During this development phase, the seeds reach maximum germination capacity and vigor. The faster the seeds are harvested after maturation, the higher the seed quality. Cotton seed drying device is used for drying the cotton seed of results for the cotton seed after the stoving does benefit to the save. Cotton seed drying device among the prior art exists drying efficiency when using, and it is poor to have drying efficiency, and the seed is not convenient for put on the conveyer belt when drying simultaneously, leads to its stoving speed slow, and the stoving process produces a large amount of energy consumption scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient cotton seed drying device to solve the problem that above-mentioned prior art exists, can realize improving device drying efficiency, shorten its stoving time of consuming, and the high efficiency utilizes heat energy, reduces the stoving energy consumption.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a high-efficiency cotton seed drying device, which comprises a drying box,

the cotton seed drying device comprises a feeding part, a drying box and a conveying part, wherein the feeding part comprises a feeding end and a discharging end which are fixedly connected with two outer side walls of the drying box, the feeding end is provided with a laying part, the drying box is internally provided with a conveying belt and a driven belt, the driven belt is positioned above the conveying belt, cotton seeds are arranged between the conveying belt and the driven belt, the driven belt is rotatably connected with the drying box through the conveying belt, the conveying belt is communicated with the feeding end and the discharging end, and the conveying belt and the driven belt are respectively provided with a circulating fan;

trade wind spare, including the rigid coupling be in the air inlet spare and the air-out spare at stoving roof portion, wherein, the air inlet spare give vent to anger the end with air-out spare inlet end with the corresponding setting of slave band top, the air inlet spare with air-out spare top rigid coupling has the heat transfer piece, air inlet spare air inlet end with air-out spare air-out end with the inside intercommunication of heat transfer piece.

Preferably, the feed end include with the inlet pipe of stoving case lateral wall rigid coupling, the inlet pipe top with put the piece rigid coupling, put the piece discharge gate with the conveyer belt top corresponds the setting, the discharge end include with the discharging pipe of another lateral wall rigid coupling of stoving case, a discharge gate is seted up to the discharging pipe bottom, the conveyer belt is located the inlet pipe with in the discharging pipe, just the inlet pipe with the discharging pipe passes through the conveyer belt with the incasement intercommunication of stoving.

Preferably, the conveyer belt includes conveying mesh belt, conveying mesh belt both ends set up respectively the inlet pipe with in the discharging tube, conveying mesh belt in-band rigid coupling has the driving piece, conveying mesh belt passes through the driving piece motion, conveying mesh belt in-band is provided with a plurality of backing rolls, the backing roll with stoving case internal face rigid coupling, the backing roll top with conveying mesh belt upper end area internal face sliding connection.

Preferably, the driven belt comprises a pressure limiting mesh belt arranged above the conveying mesh belt, the lower end belt of the pressure limiting mesh belt is in contact with the upper end belt of the conveying mesh belt, two driven rollers are oppositely arranged in the pressure limiting mesh belt, the two driven rollers are rotatably connected with the inner wall of the drying box, and the pressure limiting mesh belt moves through the conveying mesh belt.

Preferably, the driven roller comprises a central rod, an outer sleeve is sleeved on the outer wall surface of the central rod, a plurality of buffer springs are fixedly connected to the outer wall surface of the central rod in the circumferential direction, one ends, far away from the central rod, of the buffer springs are fixedly connected with the outer sleeve, and the outer wall surface of the outer sleeve is connected with the pressure limiting mesh belt in a sliding mode.

Preferably, the circulating fan includes two first drying fans, the two first drying fans are located in the pressure limiting mesh belt, the first drying fans are fixedly connected with the inner wall surface of the drying box, the air outlet directions of the two first drying fans correspond to the conveying mesh belt, a second drying fan is arranged in the conveying mesh belt, the second drying fan is fixedly connected with the inner wall surface of the drying box, and the air outlet direction of the second drying fan corresponds to the pressure limiting mesh belt.

Preferably, the air inlet part comprises two air inlet chambers arranged at the top of the drying box, the air inlet chambers are fixedly connected with the inner wall surface of the drying box, heating resistance wires are fixedly connected in the air inlet chambers, air inlet fans are arranged below the heating resistance wires, the air inlet fans are fixedly connected with the inner wall surface of the air inlet chambers, the air outlet direction of the air inlet fans corresponds to the pressure limiting mesh belt, the air outlet part comprises an air outlet chamber arranged between the two air inlet chambers, exhaust fans are fixedly connected in the air outlet chamber, and the air outlet ends of the exhaust fans correspond to the heat exchange parts.

Preferably, the diameter of the end face of the air inlet chamber close to the pressure-limiting mesh belt is smaller than the diameter of the end face of the air inlet chamber far from the pressure-limiting mesh belt, and the diameter of the end face of the exhaust chamber far from the pressure-limiting mesh belt is smaller than the diameter of the end face of the air inlet chamber close to the pressure-limiting mesh belt.

Preferably, the heat transfer piece includes two intake pipes, two the intake pipe rigid coupling respectively is in stoving case top, the stoving case passes through intake pipe and outside air intercommunication, two the intake pipe give vent to anger the end respectively with two intake chamber inlet end intercommunication, the rigid coupling has the heat transfer metal sheet in the intake pipe, the outer wall of intake pipe rigid coupling has a plurality of air guide metal sheets, a plurality of layers in proper order from top to bottom air guide metal sheet with stoving roof portion rigid coupling, and a plurality of layers air guide metal sheet dislocation rigid coupling become the air-out pipeline with stoving case outside intercommunication, air-out pipeline inlet end with the air discharge chamber gives vent to anger the end intercommunication.

Preferably, put the work piece include with the hopper of inlet pipe top rigid coupling, the hopper bottom is rotated and is connected with electronic commentaries on classics material roller, a plurality of commentaries on classics silo, a plurality of have been seted up to electronic commentaries on classics material roller surface change equidistant distribution between the silo.

The utility model discloses a following technological effect:

1. through the hot-blast piece and the heat transfer piece that set up in the stoving incasement, make full use of heated air's heat energy reduces the energy consumption of stoving in-process to form air cycle in the stoving incasement, improve drying efficiency.

2. Through the pay-off piece and its inside conveyer belt that run through the stoving case, quick effectual carry the cotton seed into the stoving case effect of drying to set up at the pay-off piece feed end and put the piece, make things convenient for the seed to put fast and put on the conveyer belt, further improve drying efficiency.

3. Drive driven area through the conveyer belt, not only stabilize the seed at the stoving in-process, avoid the seed to be dried hot-blast and blow off to rely on the conveyer belt to carry out the transmission, do not need additionally to increase the drive energy consumption, improved the stoving effect simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of an efficient cotton seed drying device;

FIG. 2 is a schematic view showing the connection relationship between the air inlet pipe, the heat exchange metal plate and the air guide metal plate;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a schematic view of the construction of the driven roller;

wherein, 1, a drying box; 2. a feeding pipe; 3. a discharge pipe; 4. a hopper; 5. an electric material transferring roller; 6. a material transferring groove; 7. conveying the electric roller; 8. a support roller; 9. a conveying mesh belt; 10. a driven drum; 101. a center pole; 102. an outer sleeve; 103. a buffer spring; 11. a pressure limiting mesh belt; 12. an exhaust chamber; 13. an air intake fan; 14. heating resistance wires; 15. an exhaust fan; 16. A first drying fan; 17. a second drying fan; 18. an air inlet pipe; 19. a heat exchange metal plate; 20. an air guide metal plate; 21. a discharge outlet; 22. an air inlet chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-4, the utility model provides a high-efficiency cotton seed drying device, which comprises a drying box 1 and a feeding piece, wherein the feeding piece comprises a feeding end and a discharging end fixedly connected with two outer side walls of the drying box 1, the feeding end is provided with a laying piece, the drying box 1 is internally provided with a conveyor belt and a driven belt, the driven belt is positioned above the conveyor belt, cotton seeds are arranged between the conveyor belt and the driven belt, the driven belt is rotatably connected with the drying box 1 through the conveyor belt, the conveyor belt is communicated with the feeding end and the discharging end, and the conveyor belt and the driven belt are respectively provided with a circulating fan; trade wind spare, including air inlet spare and the air-out spare of rigid coupling at stoving case 1 top, wherein, air inlet spare is given vent to anger the end and is gone out wind a part inlet end and correspond the setting with the driven belt top, and air inlet spare and air-out spare top rigid coupling have a heat transfer piece, and air inlet spare air inlet end and air-out spare air-out end communicate with heat transfer spare inside.

The utility model discloses in communicate the rigid coupling through pay-off spare and stoving case 1, be connected with the conveyer belt at the pay-off spare internal rotation, make things convenient for the cotton seed to carry out the stoving operation in the stoving case 1 fast, there is the shop to put the piece through the rigid coupling on the pay-off spare feed end, lay the smooth shop of cotton seed on the conveyer belt surface, improve drying efficiency, and be provided with the driven area in stoving case 1 inside, will follow the area and the contact of conveyer belt, it rotates to drive the driven area through the conveyer belt, accomplish the process of extrusion seed, avoided the seed to receive the wind power effect at the drying process and dropped, guarantee the steadiness of drying in-process seed, accelerate the air flow in stoving case 1 through circulating fan, improve drying efficiency, and air-out spare and the air inlet spare that sets up at stoving case 1 top, through the outside low temperature drying air of air inlet spare suction heating, dry cotton seed, then discharge high temperature and high humidity gas through the air-out spare, the stoving effect of stoving case 1 has been ensured, and when air outlet spare sends out high temperature and high humidity, heat energy consumption is retrieved to high temperature and high humidity, the energy consumption of the air heating piece has been realized the low efficiency of cotton seed.

Further optimize the scheme, the feed end includes with the inlet pipe 2 of 1 lateral wall rigid coupling of stoving case, 2 tops of inlet pipe and shop put a rigid coupling, shop puts a discharge gate and corresponds the setting with the conveyer belt top, the discharge end includes the discharging pipe 3 with 1 another lateral wall rigid coupling of stoving case, a discharge gate 21 is seted up to 3 bottoms of discharging pipe, the conveyer belt is located inlet pipe 2 and discharging pipe 3, and inlet pipe 2 and discharging pipe 3 communicate through conveyer belt and stoving case 1.

Through inlet pipe 2 and discharging pipe 3 and the inside intercommunication of stoving case 1, make things convenient for the conveyer belt to carry cotton seed into stoving case 1 to put the seed through laying the piece and levelly and smoothly laying, improve drying efficiency, set up bin outlet 21 at discharging pipe 3 and collect with higher speed.

Further optimization scheme, the conveyer belt includes conveying mesh belt 9, and conveying mesh belt 9 both ends set up respectively in inlet pipe 2 and discharging pipe 3, and the rigid coupling has the driving piece in conveying mesh belt 9, and conveying mesh belt 9 passes through the driving piece motion, is provided with a plurality of backing rolls 8 in conveying mesh belt 9, and backing roll 8 and stoving case 1 internal face rigid coupling, backing roll 8 top and conveying mesh belt 9 upper end in-band wall sliding connection.

Carry electronic roller 7 through motor drive, drive conveying mesh belt 9 and carry the cotton seed to in the transportation process, utilize a plurality of backing rolls 8 to support conveying mesh belt 9, with this improvement conveying efficiency, the stoving and the collection high efficiency of guarantee cotton seed go on.

In one embodiment of the present invention, the motor can be set by itself according to the requirement, and the motor does not make excessive statement for the prior art.

According to a further optimized scheme, the driven belt comprises a pressure limiting mesh belt 11 arranged above the conveying mesh belt 9, the lower end belt of the pressure limiting mesh belt 11 is in contact with the upper end belt of the conveying mesh belt 9, two driven rollers 10 are oppositely arranged in the pressure limiting mesh belt 11, the two driven rollers 10 are rotatably connected with the inner wall of the drying box 1, and the pressure limiting mesh belt 11 moves through the conveying mesh belt 9.

The conveying net belt 9 drives the pressure limiting net belt 11 to rotate, so that the stability of seeds is improved, and the seeds are prevented from falling under the influence of wind force in the drying process, incomplete drying is avoided, and the drying efficiency is influenced.

According to a further optimized scheme, the driven roller 10 comprises a central rod 101, an outer sleeve 102 is sleeved on the outer wall surface of the central rod 101, a plurality of buffer springs 103 are fixedly connected to the outer wall surface of the central rod 101 in the circumferential direction, one ends, far away from the central rod 101, of the buffer springs 103 are fixedly connected with the outer sleeve 102, and the outer wall surface of the outer sleeve 102 is in sliding connection with the pressure limiting mesh belt 11.

Install in well core rod 101's outside through buffer spring 103, when being convenient for driven cylinder 10 receives the extrusion, carry out deformation between well core rod 101 and the outer tube 102, avoid producing too much pressure to the cotton seed that the conveying mesh belt 9 top removed and cause structural damage to cotton seed has increased the structural stability that the cotton seed carries out the drying process in.

According to a further optimized scheme, the circulating fan comprises two first drying fans 16, the two first drying fans 16 are located in the pressure limiting mesh belt 11, the first drying fans 16 are fixedly connected with the inner wall surface of the drying box 1, the air outlet directions of the two first drying fans 16 correspond to the conveying mesh belt 9, a second drying fan 17 is arranged in the conveying mesh belt 9, the second drying fan 17 is fixedly connected with the inner wall surface of the drying box 1, and the air outlet direction of the second drying fan 17 corresponds to the pressure limiting mesh belt 11.

Through the relative effect of first drying fan 16 and second drying fan 17 air-out direction, the circulation of air speed in the reinforcing stoving case 1 improves drying efficiency to the in-process is owing to the cotton seed is stabilized to voltage limiting guipure 11 for the seed obtains fully drying.

According to the further optimization scheme, the air inlet part comprises two air inlet chambers 22 arranged at the top of the drying box, the air inlet chambers 22 are fixedly connected with the inner wall surface of the drying box 1, heating resistance wires 14 are fixedly connected in the air inlet chambers 22, air inlet fans 13 are arranged below the heating resistance wires 14, the air inlet fans 13 are fixedly connected with the inner wall surface of the air inlet chambers 22, the air outlet direction of the air inlet fans 13 is arranged corresponding to the pressure limiting mesh belt 11, the air outlet part comprises an air outlet chamber 12 arranged between the two air inlet chambers 22, exhaust fans 15 are fixedly connected in the air outlet chamber 12, and the air outlet ends of the exhaust fans 15 are arranged corresponding to the heat exchange parts.

The external low-temperature dry air is heated through the air inlet chamber 22, and the dried humid air is exhausted through the exhaust chamber 12, so that the influence of the humid air on the subsequent drying of the cotton seeds is avoided, and the drying efficiency is improved.

In a further optimized scheme, the diameter of the end face, close to the pressure-limiting mesh belt 11, of the air inlet chamber 22 is smaller than the diameter of the end face, far away from the pressure-limiting mesh belt 11, of the air inlet chamber 22, and the diameter of the end face, far away from the pressure-limiting mesh belt 11, of the exhaust chamber 12 is smaller than the diameter of the end face, close to the pressure-limiting mesh belt 11, of the air inlet chamber 22.

Make air intake chamber 22 and exhaust chamber 12 produce air pressure differential through the diameter difference, improve the air flow speed, preferably but not limited to air intake chamber 22 is the structure of falling eight characters, splices into exhaust chamber 12 through the air intake chamber 22 self-adaptation of two falling eight characters types to exhaust chamber 12 is the structure of eight characters, and abundant utilization drying box 1 inner space, when improving drying efficiency, still carries out reverse circulation with high velocity of flow air for air cycle in the drying box 1.

Further optimization scheme, the heat transfer piece includes two intake pipes 18, two intake pipes 18 respectively the rigid coupling on stoving case 1 top, stoving case 1 is through intake pipe 18 and outside air intercommunication, two intake pipes 18 give vent to anger the end respectively with two admission chambers 22 inlet end intercommunication, the rigid coupling has heat transfer metal sheet 19 in the intake pipe 18, the outer wall of intake pipe 18 rigid coupling has a plurality of air guide metal sheets 20 from top to bottom in proper order, a plurality of layers of air guide metal sheets 20 and stoving case 1 top rigid coupling, and a plurality of layers of air guide metal sheets 20 dislocation rigid coupling become air-out pipeline and stoving case 1 outside intercommunication, air-out pipeline inlet end and exhaust chamber 12 give vent to anger the end intercommunication.

Through with one deck air guide metal sheet 20 and stoving case 1 lateral wall rigid coupling, the air guide metal sheet 20 and the stoving case 1 another lateral wall rigid coupling of upper strata, realize the crisscross rigid coupling of a plurality of air guide metal sheets 20, and form a tortuous air-out pipeline, be convenient for abundant absorption exhaust heat, and conduct the heat of collecting and heat the heat transfer metal sheet 19 and heat the outside air, with the effectual recycle of heat energy in the waste gas, the energy consumption that drying device heated the outside air has been reduced.

The utility model discloses an embodiment, air guide metal sheet 20 is preferred but not limited to seven layers, and through seven layers of air guide metal sheet 20 structures, can keep structural stability to can also effectual absorption heat energy, reduce drying device and use the energy consumption.

Further optimize the scheme, the shop piece includes the hopper 4 with 2 top rigid couplings of inlet pipe, and 4 bottoms of hopper are rotated and are connected with electronic commentaries on classics material roller 5, and a plurality of commentaries on classics silo 6 have been seted up to electronic commentaries on classics material roller 5 surface, equidistant distribution between a plurality of commentaries on classics silo 6.

The cotton seeds inside 4 through the hopper follow the inside that electronic commentaries on classics material roller 5's rotation got into inlet pipe 2, utilize a plurality of commentaries on classics silo 6 with the even shop of seed on conveying mesh belt 9's upper surface, realize that the seed effectively tiles, improve drying efficiency.

The working principle is as follows:

the utility model controls the electric material transferring roller 5, the conveying electric roller 7, the air inlet fan 13, the heating resistance wire 14, the exhaust fan 15, the first drying fan 16 and the second drying fan 17 by the power supply, cotton seeds placed in the hopper 4 are opened along with the electric material transferring roller 5, the seeds are brought into the inlet pipe 2 through the material transferring groove 6 and are flatly paved on the conveying mesh belt 9, the conveying electric roller 7 rotates to drive the conveying mesh belt 9 to convey the seeds into the drying box 1, meanwhile, the air outside the drying box 1 enters the air inlet chamber 22 through the air inlet pipe 18, the air in the air inlet chamber 22 is heated under the action of the heating resistance wire 14, the heated high-temperature dry air acts on the surface of the seeds through the air inlet fan 13 to dry, then, the dried high-temperature and high-humidity air is introduced into the seven layers of air guide metal plates 20 through the exhaust fan 15, the seven layers of air guide metal plates 20 fully absorb residual heat energy in the high-temperature and high-humidity air through heat exchange pipelines formed by staggered and fixedly connected with the two side wall surfaces of the drying box 1, the heat acts on the heat exchange metal plates 19 through the air inlet pipe 18 so as to continuously heat the externally introduced low-temperature drying air, the air circulation in the drying box 1 is accelerated under the action of the first drying fan 16 and the second drying fan 17, the seeds are fixed on the conveying mesh belt 9 through the pressure limiting mesh belt 11, the seeds are prevented from being blown by the fans and falling off, and when the pressure limiting mesh belt 11 rotates through the transmission of the conveying mesh belt 9, the dried seeds are separated from the extrusion fixation, so as to be conveyed into the discharge pipe 3, and finally discharged through a discharge port 21 at the end part of the discharge pipe 3.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (10)

1. The utility model provides a high-efficient cotton seed drying device which characterized in that: comprises a drying box (1),

the feeding part comprises a feeding end and a discharging end which are fixedly connected with two opposite outer side walls of the drying box (1), the feeding end is provided with a laying part, a conveying belt and a driven belt are arranged in the drying box (1), the driven belt is positioned above the conveying belt, cotton seeds are arranged between the conveying belt and the driven belt, the driven belt is rotatably connected with the drying box (1) through the conveying belt, the conveying belt is communicated with the feeding end and the discharging end, and circulating fans are arranged in the conveying belt and the driven belt;

the air exchange piece comprises an air inlet piece and an air outlet piece which are fixedly connected to the top of the drying box (1), wherein the air outlet end of the air inlet piece is arranged corresponding to the top end of the driven belt, the air inlet piece is fixedly connected with the upper portion of the air outlet piece, and the air inlet end of the air inlet piece is communicated with the air outlet end of the air outlet piece and communicated with the inside of the heat exchange piece.

2. The efficient cotton seed drying apparatus of claim 1, wherein: the feed end include with inlet pipe (2) of stoving case (1) lateral wall rigid coupling, inlet pipe (2) top with put the thing rigid coupling of putting, put the thing discharge gate with the conveyer belt top corresponds the setting, the discharge end include with discharging pipe (3) of another lateral wall rigid coupling of stoving case (1), a discharge mouth (21) is seted up to discharging pipe (3) bottom, the conveyer belt is located inlet pipe (2) with in discharging pipe (3), just inlet pipe (2) with discharging pipe (3) pass through the conveyer belt with intercommunication in the stoving case (1).

3. The efficient cotton seed drying apparatus of claim 2, wherein: the conveyer belt includes conveying mesh belt (9), conveying mesh belt (9) both ends set up respectively inlet pipe (2) with in discharging pipe (3), the rigid coupling has the driving piece in conveying mesh belt (9), conveying mesh belt (9) pass through the driving piece motion, be provided with a plurality of backing rolls (8) in conveying mesh belt (9), backing roll (8) with stoving case (1) internal face rigid coupling, backing roll (8) top with conveying mesh belt (9) upper end in-band wall sliding connection.

4. The efficient cotton seed drying apparatus of claim 3, wherein: the driven belt comprises a pressure limiting mesh belt (11) arranged above the conveying mesh belt (9), the lower end belt of the pressure limiting mesh belt (11) is in contact with the upper end belt of the conveying mesh belt (9), two driven rollers (10) are oppositely arranged in the pressure limiting mesh belt (11), the two driven rollers (10) are rotatably connected with the inner wall of the drying box (1), and the pressure limiting mesh belt (11) moves through the conveying mesh belt (9).

5. The efficient cotton seed drying device according to claim 4, wherein the driven drum (10) comprises a central rod (101), an outer sleeve (102) is sleeved on the outer wall surface of the central rod (101), a plurality of buffer springs (103) are fixedly connected to the outer wall surface of the central rod (101) in the circumferential direction, one ends of the plurality of buffer springs (103) far away from the central rod (101) are fixedly connected to the outer sleeve (102), and the outer wall surface of the outer sleeve (102) is slidably connected to the pressure-limiting mesh belt (11).

6. The efficient cotton seed drying apparatus of claim 4, wherein: the circulating fan comprises two first drying fans (16), the two first drying fans (16) are located in the pressure limiting mesh belt (11), the first drying fans (16) are fixedly connected with the inner wall surface of the drying box (1), the air outlet directions of the two first drying fans (16) correspond to the conveying mesh belt (9), second drying fans (17) are arranged in the conveying mesh belt (9), the second drying fans (17) are fixedly connected with the inner wall surface of the drying box (1), and the air outlet directions of the second drying fans (17) correspond to the pressure limiting mesh belt (11).

7. The efficient cotton seed drying apparatus of claim 4, wherein: the air inlet part comprises two air inlet chambers (22) arranged at the top of the drying box, the air inlet chambers (22) are fixedly connected with the inner wall surface of the drying box (1), heating resistance wires (14) are fixedly connected in the air inlet chambers (22), an air inlet fan (13) is arranged below the heating resistance wires (14), the air inlet fan (13) is fixedly connected with the inner wall surface of the air inlet chambers (22), the air outlet direction of the air inlet fan (13) corresponds to the arrangement of the pressure limiting mesh belt (11), the air outlet part comprises two air outlet chambers (12) between the air inlet chambers (22), exhaust fans (15) are arranged in the air outlet chambers (12), the exhaust fans (15) are fixedly connected on the side wall surfaces of the air inlet chambers (22) far away from the drying box (1), and the air outlet ends of the exhaust fans (15) correspond to the arrangement of the heat exchange parts.

8. The efficient cotton seed drying apparatus of claim 7, wherein: the diameter of the end face, close to the pressure limiting mesh belt (11), of the air inlet chamber (22) is smaller than the diameter of the end face, far away from the pressure limiting mesh belt (11), of the air inlet chamber (22), and the diameter of the end face, far away from the pressure limiting mesh belt (11), of the exhaust chamber (12) is smaller than the diameter of the end face, close to the pressure limiting mesh belt (11), of the air inlet chamber (22).

9. The efficient cotton seed drying apparatus of claim 7, wherein: the heat transfer piece includes two intake pipe (18), two intake pipe (18) rigid coupling respectively is in stoving case (1) top, stoving case (1) is passed through intake pipe (18) and outside air intercommunication, two intake pipe (18) are given vent to anger the end respectively with two intake chamber (22) inlet end intercommunication, the rigid coupling has heat transfer metal sheet (19) in intake pipe (18), intake pipe (18) outer wall from top to bottom in proper order the rigid coupling have a plurality of metal sheet (20), a plurality of layers air guide metal sheet (20) with stoving case (1) top rigid coupling, and a plurality of layers air guide metal sheet (20) dislocation rigid coupling become the air outlet duct with stoving case (1) outside intercommunication, air outlet duct inlet end with the end intercommunication of giving vent to anger of air discharge chamber (12).

10. The efficient cotton seed drying device of claim 2, wherein: the place put the piece include with hopper (4) of inlet pipe (2) top rigid coupling, hopper (4) bottom is rotated and is connected with electronic commentaries on classics material roller (5), a plurality of commentaries on classics silo (6), a plurality of have been seted up to electronic commentaries on classics material roller (5) surface change equidistant distribution between silo (6).

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