CN210425772U - Far infrared drying device - Google Patents

Abstract

The utility model relates to the field of tea making, and provides a far infrared drying device which comprises a frame, a driving device and a blower device, wherein a conveying net is arranged on the frame, an infrared device is also arranged on the frame and is used for heating and drying tea leaves, and a drying cavity for drying the tea leaves is formed between the conveying net and the infrared device; still be equipped with wind-force conveyor in the frame, the air-blast device is used for blowing to carry the lower surface of stoving portion with wind through wind-force conveyor for accelerate tealeaves stoving in-process wet heat exchange, in order to accelerate the stoving speed. The utility model discloses an infrared device and pneumatic conveyor's cooperation is dried to tealeaves, forms a heat retaining stoving chamber between the stoving portion of infrared device and transport net, can dry tealeaves fast, and the even leaf device that sets up in the stoving chamber is gently distributed tealeaves and is dialled evenly to can dry the circulation of air of intracavity with higher speed for the drying efficiency of tealeaves.

Description

Far infrared drying device

Technical Field

The utility model belongs to the tea making field relates to a drying device, in particular to far infrared drying device.

Background

The drying-machine that uses in the existing market can only carry out once incessant stoving under static state, and inside moisture can not come out, causes that the surface layer material is drier, material surface is dry and splits, consequently still need carry through the manual work in practical application and dry again after spreading out cool mixing elsewhere. Or, the drying device is a drying box, and only one batch of drying can be performed, so that a flow production line cannot be formed, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a far infrared drying device to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a far infrared drying device comprises a rack, a driving device and a blowing device, wherein a conveying net is arranged on the rack, an infrared device is also arranged on the rack and used for heating and drying tea leaves, and a drying cavity used for drying the tea leaves is formed between the conveying net and the infrared device; the machine frame is also provided with a wind power conveying device, the air blowing device is used for blowing air, the air is conveyed to the lower surface of the conveying net through the wind power conveying device, and the wet heat exchange in the tea leaf drying process is accelerated so as to accelerate the drying speed.

Preferably, the wind power conveying device comprises a wind supply channel and a wind supply hopper which are sequentially connected with the wind blowing device, the thinner end of the wind supply hopper is connected with the wind supply channel, a grid is arranged at the thinner end in the wind supply hopper, and the grid divides the wind supply hopper into a plurality of wind supply openings; a blast box is arranged between the blast device and the air supply channel and used for dispersing wind power blown out by the blast device; a lower opening is formed below one surface, close to the air blowing device, of the air blowing box, and the lower opening is used for being in butt joint with the air blowing device; and an upper opening is arranged above one surface of the blast box, which is close to the air supply channel, and the upper opening is used for being butted with the air supply channel.

Preferably, the grids are criss-cross grids, and the height of the grids is 1/3-2/3 of the height of the air supply hopper; a partition board is arranged in the air supply channel, the partition board divides the air supply channel into an upper air supply cavity and a lower air supply cavity or a left air supply cavity and a right air supply cavity, and the partition board is used for dividing air; the air supply channel is provided with a cleaning window, the cleaning window is movably connected with the air supply channel, and the cleaning window is used for cleaning or overhauling the air supply channel.

Preferably, the rack is further provided with a leaf homogenizing device, the leaf homogenizing device is arranged above the drying cavity and used for uniformly spreading the tea leaves, the leaf homogenizing device comprises a central support, blades are detachably connected to the peripheral wall of the central support in the length direction, and leaf homogenizing sawteeth are detachably connected to one side, far away from the central support, of each blade; the end part of the central support in the length direction is connected with a rotating device, and the rotating device drives the central support to rotate.

Preferably, the even-leaf sawteeth are made of flexible materials.

Preferably, the even-blade sawteeth are made of rubber.

Preferably, the uniform blade sawteeth are connected with the blades through screw threads.

Preferably, the distance adjusting device adjusts the distance between the blade and the central bracket through a screw.

Preferably, a distance adjusting device is further arranged between the blade and the central support, and the distance adjusting device can adjust the distance between the blade and the central support; and displacement devices are arranged at two ends of the central support in the length direction and are used for adjusting the distance between the central support and the conveying net.

Preferably, the edge of the conveying net in the length direction is provided with an anti-deviation wheel, the rack is further provided with a through hole for fixing the anti-deviation wheel, and the anti-deviation wheel can move in the through hole in the vertical direction and then is fixed.

Preferably, the anti-walk deviation wheel is arranged on a non-horizontal plane on the conveying net; the anti-deviation wheel is fixed in the through hole through a threaded part; the through hole is a flat through hole, the outline shape of the flat through hole is composed of two arc sections and two straight line sections, the diameters of the two arcs are the same, and the diameters of the arcs are matched with the model of the nut.

Preferably, the infrared device comprises an infrared lamp, a lampshade and a heat-insulating plate, the infrared lamp is arranged in the drying cavity and used for heating and drying the tea leaves, and the lampshade is arranged above the infrared lamp and used for protecting the infrared lamp; the rack above the heat-insulation board mounting lampshade is used for ensuring the temperature of the drying cavity.

Preferably, turnover plates are arranged between the heat insulation plates at intervals, the turnover plates are arranged above the leaf homogenizing device, the reversing devices are arranged on the reversing plates, the reversing plates can be reversed relative to the heat insulation plates through the reversing devices, and the reversing plates are used for checking the state of the tea leaves in the drying cavity.

Preferably, the rack is further provided with conveying rollers, each conveying roller comprises a driving roller and one or more driven rollers, the conveying net is sleeved on the conveying roller, the driving device is used for driving the driving roller to rotate, and position adjusting devices are further arranged at two end portions of each driven conveying roller and used for adjusting the position of each driven conveying roller so as to tension the conveying net.

Preferably, the rack is a split mounting type rack.

Preferably, the number of the blades is two, the length of each blade is matched with that of the central support, and the two blades are symmetrical by taking the central support as a center.

Preferably, the four blades are divided into two groups, one group of blades are arranged on one side close to the driving device, and the other group of blades are arranged on one side far away from the driving device; each group of blades is symmetrical by taking the central bracket as a center.

Preferably, the two sets of blades are perpendicular to each other.

Preferably, the blades are four, the length of each blade is matched with that of the central support, and the blades are uniformly distributed on the peripheral wall of the central support.

Preferably, the surface of the blower case having the lower opening and the surface of the blower case having the upper opening are opposed to each other.

Preferably, the number of the cleaning windows is two; when the partition plate divides the air supply channel into an upper air supply cavity and a lower air supply cavity, one cleaning window corresponds to the upper air supply cavity of the air supply channel, and the other cleaning window corresponds to the lower air supply cavity; when the air supply channel is divided into a left air supply cavity and a right air supply cavity by the partition board, or one cleaning window corresponds to the left air supply cavity of the air supply channel, and the other cleaning window corresponds to the right air supply cavity.

Preferably, the air supply hopper is a square hopper or a round hopper.

Preferably, the grid is made of metal, and the grid is fixedly arranged on or clamped on the inner wall of the air supply hopper. The fixed grid is stable in use; the grid of joint is convenient for change, and is convenient clean.

Preferably, the anti-deviation wheels are arranged in pairs, and each pair of anti-deviation wheels is arranged on the machine frame at the opposite position in the width direction of the conveying net.

Preferably, the number of the anti-walk deviation wheels is 1-6.

Preferably, the anti-walk wheel is fixed in the through hole through a screw.

Preferably, the through hole is a flat through hole, the outline shape of the flat through hole is composed of two circular arc sections and two straight line sections, the diameters of the two circular arcs are the same, and the diameters of the circular arcs are matched with the model of the nut.

Preferably, the conveying net is made of metal.

Preferably, the drive means is a motor.

Preferably, the number of the driven conveying rollers is 2 to 10.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses an infrared device and pneumatic conveyor's cooperation is dried tealeaves, forms a heat retaining stoving chamber between infrared device and the transport net, can dry tealeaves fast, and the even leaf device that sets up in the stoving chamber is gently distributed tealeaves and is dialled evenly to can dry the circulation of air of intracavity with higher speed for the drying efficiency of tealeaves.

2. The utility model provides a uniform leaf device can use in flow production line, and the uniform leaf sawtooth is flexible material, can reach fine uniform leaf effect to can not harm tealeaves, tealeaves finished product blade is intact, can not increase the profit of product because of the quality of machining loss tealeaves.

3. The leaf homogenizing device in the utility model can realize the height adjustment of the position, and the displacement device can realize the great height adjustment of the central bracket and the blades; the distance between the blade and the central support can be adjusted by the distance adjusting device between the blade and the central support, so that the distance between the even-blade sawteeth and the conveying net is adjusted, and the height position of the blade is finely adjusted.

4. The utility model discloses be connected for the screw thread spare between well even leaf sawtooth and the blade, even leaf sawtooth is removable, washs, prevents bacterial growing on the even leaf sawtooth, and is clean more sanitary.

5. The utility model provides a wind-force conveyor can be even carry wind-force, makes tealeaves can evenly dry, keeps its flavor, can use on the production line, improves the production speed of tealeaves, reduction in production cost.

6. In the utility model, after being blown out by the blower, the wind firstly turns once through the blast box, and the turning can play a role of dispersing the airflow; then the airflow is divided into two airflows by the partition board in the air supply channel, the airflows are prevented from being concentrated in the middle of the air supply channel, and secondary steering is carried out at the tail end of the air supply channel, so that the airflows are dispersed more uniformly; then through the air supply hopper, the grid in the air supply hopper can disperse air flow more carefully, eliminate dead angles without air flow, cannot form local overheating to influence the quality of tea, is very stable and uniform when entering the tea drying cavity, can uniformly dry tea, and ensures the quality of tea making.

7. In the utility model, the air supply hopper adopts a structure with a big top and a small bottom, and the air enters from the small opening and flows out from the big opening, thereby playing the role of stabilizing the air flow; the grid is arranged at the small opening of the air supply hopper, so that air flow can be dispersed conveniently when passing through the grid, and dead corners without air flow in the air supply hopper are eliminated.

8. The utility model discloses in, the air supply fill is square or circular, and square air supply fill is convenient for a plurality of arranging side by side, can realize having the interval to dry.

9. At present, a tensioning rod is generally added in a conveying device, but the tensioning rod bears too much pressure and is easy to deform, the service life is short, and the tensioning rod is complex in structure and not easy to arrange; in addition, the tensioning rod is generally arranged in the circulating conveying net, so that the effect of pressing the conveying net cannot be achieved, and the conveying net is still easy to deviate. The utility model provides a prevent walking inclined to one side conveyor can make the transport net not walk inclined to one side at the in-process that dries by the fire tea, prevents to carry the wearing and tearing of net to cause the tealeaves loss, has also effectively prevented to carry the net to grind conveyor, has prolonged the life of machine.

10. The utility model provides a prevent walking inclined to one side conveyor exerts pressure through preventing walking inclined to one side wheel pair transport network, and the frictional force of multiplicable on the one hand between preventing walking inclined to one side wheel pair transport network walks partially in order to prevent to carry the net, and on the other hand when carrying the net to walk inclined to one side or becoming loose, prevents walking inclined to one side wheel and can adjust the vertical position in the through-hole, increases the girth of carrying the net transportation route, plays the effect of tensioning.

11. The utility model provides a prevent walking inclined to one side wheel sets up in pairs, both can only adjust one side, can adjust simultaneously by both sides again, guaranteed to carry net tensioning, level and smooth transport tealeaves, prevent to carry the net to walk inclined to one side.

12. The utility model provides a prevent walking eccentric wheel simple structure has played simultaneously and has pressed two effects of net and tensioning, and the general in various conveyor, with low costs, the prospect is extensive.

13. The utility model discloses in, the frame is the pin-connected panel frame, can assemble the frame according to actual need, reaches and sets for length to adapt to the transport net of different length, easy and simple to handle, long tealeaves only needs a machine can accomplish its stoving when different stoving, saves cost and region.

Drawings

FIG. 1 is a schematic structural view of the far infrared drying device of the present invention;

FIG. 2 is a schematic structural view of the far infrared drying device of the present invention at another angle;

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

FIG. 4 is a partial enlarged view of portion B of FIG. 1;

FIG. 5 is an enlarged view of a portion C of FIG. 1;

FIG. 6 is a schematic structural view of the wind conveying device of the present invention;

FIG. 7 is a schematic view of the wind conveyor according to another angle of the present invention;

FIG. 8 is a schematic structural view of the leaf homogenizing device of the present invention;

FIG. 9 is a schematic structural view of another leaf homogenizing device of the present invention;

FIG. 10 is a schematic view of the structure of the conveying net and the anti-walk wheels of the present invention;

FIG. 11 is a schematic structural view of a non-horizontal mesh surface of a middle part of a conveying mesh according to the present invention;

fig. 12 is a partial enlarged view of a portion D in fig. 11;

fig. 13 is a partial enlarged view of a portion E in fig. 11;

in the figure, 1, a frame; 2. a drive device; 3. a blower device; 4. a conveying net; 7. an infrared device; 8. a drying cavity; 9. a wind power transmission device; 10. an air supply channel; 11. an air supply hopper; 12. a grid; 13. a blast box; 14. an upper opening; 15. a lower opening; 16. a partition plate; 17. cleaning the window; 18. a leaf homogenizing device; 19. a central support; 20. a blade; 21. a rotating device; 22. a distance adjusting device; 23. a displacement device; 24. anti-walk deviation wheel; 25. a through hole; 26. an infrared lamp; 27. a lamp shade; 28. a thermal insulation board; 29. a turnover plate; 30. a reversing device; 31. a position adjustment device; 32. and (5) homogenizing and making saw teeth.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in the figure, the far infrared drying device comprises a frame 1, a driving device 2 and a blowing device 3, wherein a conveying net 4 is arranged on the frame 1, an infrared device 7 is also arranged on the frame 1, the infrared device 7 is used for heating and drying tea leaves, and a drying cavity 8 for drying the tea leaves is formed between the conveying net 4 and the infrared device 7; the machine frame 1 is further provided with a wind power conveying device 9, the air blowing device 3 is used for blowing air, the air is conveyed to the lower surface of the conveying net 4 through the wind power conveying device 9, and the wet heat exchange in the tea leaf drying process is accelerated so as to accelerate the drying speed.

The wind power conveying device 9 comprises an air supply channel 10 and an air supply hopper 11 which are sequentially connected with the air blowing device 3, wherein the thinner end of the air supply hopper 11 is connected with the air supply channel 10, a grid 12 is arranged at the thinner end in the air supply hopper 11, and the grid 12 divides the air supply hopper 11 into a plurality of air supply outlets; a blast box 13 is arranged between the blast device 3 and the blast channel 10, and the blast box 13 is used for dispersing wind force blown by the blast device 3; a lower opening 15 is arranged below one surface of the blast box 13 close to the blast device 3, and the lower opening 15 is used for being butted with the blast device 3; an upper opening 14 is provided above one surface of the blower case 13 adjacent to the air supply duct 10, and the upper opening 14 is adapted to be abutted against the air supply duct 10.

The grid 12 is criss-cross grid 12, the height of the grid 12 is 1/3-2/3 of the height of the air blowing hopper 11; a partition plate 16 is arranged in the air supply channel 10, the partition plate 16 divides the air supply channel 10 into an upper air supply cavity and a lower air supply cavity or a left air supply cavity and a right air supply cavity, and the partition plate 16 is used for dividing air; the air supply channel 10 is provided with a cleaning window 17, the cleaning window 17 is movably connected with the air supply channel 10, and the cleaning window 17 is used for cleaning or overhauling the air supply channel 10.

The machine frame 1 is also provided with a leaf homogenizing device 18, the leaf homogenizing device 18 is arranged above the drying cavity 8 and used for uniformly spreading tea leaves, the leaf homogenizing device 18 comprises a central support 19, the peripheral wall of the central support 19 in the length direction is detachably connected with a blade 20, and one side of the blade 20, which is far away from the central support 19, is detachably connected with a leaf homogenizing sawtooth 32; a turning device 21 is connected to a longitudinal end of the center frame 19, and the turning device 21 turns the center frame 19.

The uniform-blade saw teeth 32 are made of flexible materials.

The uniform-blade saw teeth 32 are made of rubber.

The uniform blade sawteeth 32 are connected with the blades 20 through screw pieces.

The distance adjusting device 22 adjusts the distance between the blade 20 and the center bracket 19 by means of a screw.

A distance adjusting device 22 is further arranged between the blade 20 and the central bracket 19, and the distance adjusting device 22 can adjust the distance between the blade 20 and the central bracket 19; displacement devices 23 are provided at both ends of the center frame 19 in the longitudinal direction, and the displacement devices 23 are used for adjusting the distance between the center frame 19 and the conveying net 4.

The edge of the length direction of the conveying net 4 is provided with an anti-deviation wheel 24, the frame 1 is also provided with a through hole 25 for fixing the anti-deviation wheel 24, and the anti-deviation wheel 24 can be fixed after moving in the through hole 25 in the vertical direction.

The anti-deviation wheel 24 is arranged on a non-horizontal plane on the conveying net 4; the anti-deviation wheel 24 is fixed in the through hole 25 through a screw thread piece; the through hole 25 is a flat through hole 25, the outline shape of the flat through hole 25 is composed of two circular arc sections and two straight line sections, the diameters of the two circular arcs are the same, and the diameters of the circular arcs are matched with the model of the nut.

The infrared device 7 comprises an infrared lamp 26, a lampshade 27 and a heat insulation board 28, the infrared lamp 26 is arranged in the drying cavity 8 and used for heating and drying tea leaves, and the lampshade 27 is arranged above the infrared lamp 26 and used for protecting the infrared lamp 26; the heat insulation board 28 is mounted on the frame 1 above the lampshade 27 and used for ensuring the temperature of the drying cavity 8.

An inversion plate 29 is further provided between the heat-insulating plates 28 at an interval, the inversion plate 29 is provided above the leaf homogenizing device 18, the inversion plate is provided with an inversion device 30, the inversion plate is capable of being inverted with respect to the heat-insulating plates 28 by the inversion device 30, and the inversion plate is used for checking the state of the tea leaves in the drying chamber 8.

Still be equipped with the conveying roller on above-mentioned frame 1, above-mentioned conveying roller includes a drive roll and one or many driven vollers, and above-mentioned 4 covers of carrying the net are established on the conveying roller, and above-mentioned drive arrangement 2 is used for driving the drive roll and rotates, and the both ends of above-mentioned driven conveying roller still are equipped with position control device 31, and above-mentioned position control device 31 is used for adjusting the position of driven conveying roller, makes and carries the tensioning of net 4.

The frame 1 is an assembled frame 1.

The blades 20 are two pieces, the length of the blades 20 is matched with that of the central support 19, and the two pieces of the blades 20 are symmetrical around the central support 19.

The blades 20 are four, the length of the blades 20 is matched with half of the length of the central bracket 19, the four blades 20 are divided into two groups, one group of blades 20 is arranged at one side close to the driving device 2, and the other group of blades 20 is arranged at one side far away from the driving device 2; each set of blades 20 is symmetrical about the central support 19.

The two sets of blades 20 are perpendicular to each other.

The blades 20 are four, the length of the blades 20 is matched with that of the central support 19, and the blades 20 are uniformly distributed on the peripheral wall of the central support 19.

The surface of the blower case 13 on which the lower opening 15 is provided and the surface on which the upper opening 14 is provided are opposed to each other.

Two cleaning windows 17 are provided; when the partition 16 divides the air supply channel 10 into an upper air supply cavity and a lower air supply cavity, one cleaning window 17 corresponds to the upper air supply cavity of the air supply channel 10, and the other cleaning window 17 corresponds to the lower air supply cavity; when the partition 16 divides the air supply channel 10 into two air supply cavities, one cleaning window 17 corresponds to the left air supply cavity of the air supply channel 10, and the other cleaning window 17 corresponds to the right air supply cavity.

The air supply hopper 11 is a square hopper or a round hopper.

The grid 12 is made of metal, and the grid 12 is fixedly arranged on or clamped on the inner wall of the air supply hopper 11. The fixed grid 12 is stable in use; the clamped grid 12 is convenient to replace and clean.

The above-mentioned deflection preventing wheels 24 are provided in pairs, and each pair of deflection preventing wheels 24 is provided on the frame 1 at opposite positions in the width direction of the conveying net 4.

The anti-deviation wheels 24 are 1-6 pairs.

The anti-walk-off wheel 24 is fixed in the through hole 25 by a screw.

The through hole 25 is a flat through hole 25, the outline shape of the flat through hole 25 is composed of two circular arc sections and two straight line sections, the diameters of the two circular arcs are the same, and the diameters of the circular arcs are matched with the model of the nut.

The conveying net 4 is made of metal.

The driving device 2 is a motor.

The number of the driven conveying rollers is 2-10.

The utility model discloses an infrared device 7 and pneumatic conveyor 9's cooperation are dried to tealeaves, form a heat retaining stoving chamber 8 between infrared device 7 and the transport net 4, can dry tealeaves fast, and even is dialled with tealeaves gently to the even leaf device 18 that sets up in the stoving chamber 8 is dialled tealeaves to can accelerate the circulation of air in the stoving chamber 8, accelerate the drying efficiency of tealeaves.

The utility model provides an even leaf device 18 can use in the flowing water production line, and even leaf sawtooth 32 is flexible material, can reach fine even leaf effect to can not harm tealeaves, tealeaves finished product blade 20 is intact, can not increase the profit of product because of the quality of machining loss tealeaves.

The leaf homogenizing device 18 in the utility model can realize the height adjustment of the position, and the displacement device 23 can realize the great height adjustment of the central bracket 19 and the blades 20; the distance adjusting device 22 between the blade 20 and the central support 19 can realize the distance between the blade 20 and the central support 19, thereby adjusting the distance between the dodging saw teeth 32 and the conveying net 4 and realizing the fine adjustment of the height position of the blade 20.

The utility model discloses be connected for the screw between well even leaf sawtooth 32 and the blade 20, even leaf sawtooth 32 is removable, washs, prevents that bacterial growing, clean health more on the even leaf sawtooth 32.

The utility model provides a wind-force conveyor 9 can be even carry wind-force, makes tealeaves can evenly dry, keeps its flavor, can use on the production line, improves the production speed of tealeaves, reduction in production cost.

In the utility model, after being blown out by the blower, the wind firstly turns once through the blast box 13, and the turning can play a role of dispersing the airflow; then the air flow is divided into two air flows by the partition plate 16 in the air supply channel 10, the air flows are prevented from being concentrated in the middle of the air supply channel 10, and secondary steering is carried out at the tail end of the air supply channel 10, so that the air flows are dispersed more uniformly; then through the air supply hopper 11, the grid 12 in the air supply hopper 11 can disperse air flow more carefully, eliminate dead angles without air flow passing through, can not form local overheating to influence the quality of tea, is very stable and uniform when entering a tea drying cavity, can uniformly dry tea, and ensures the quality of tea making.

In the utility model, the air supply hopper 11 adopts a structure with a big top and a small bottom, and the air enters from the small opening and flows out from the big opening, thereby playing the role of stabilizing the air flow; the grid 12 is arranged at the small opening of the air supply hopper 11, so that air flow is convenient to disperse when passing through the grid 12, and dead angles without air flow in the air supply hopper 11 are eliminated.

The utility model discloses in, air supply fill 11 is square or circular, and square air supply fill 11 is convenient for a plurality of arranging side by side, can realize having the interval to dry.

At present, a tensioning rod is generally added in a conveying device, but the tensioning rod bears too much pressure and is easy to deform, the service life is short, and the tensioning rod is complex in structure and not easy to arrange; in addition, the tension rod is generally arranged inside the circulating conveying net 4, so that the function of pressing the conveying net 4 cannot be achieved, and the conveying net 4 is still easy to deviate. The utility model provides a prevent walking inclined to one side conveyor can make and carry net 4 not walk inclined to one side at the in-process that dries by the fire tea, prevents to carry 4 wearing and tearing of net to cause the tealeaves loss, has also effectively prevented to carry net 4 to grind conveyor, has prolonged the life of machine.

The utility model provides a prevent walking inclined to one side conveyor is through preventing walking inclined to one side wheel 24 and to carrying net 4 applied pressure, and the multiplicable one side is prevented walking inclined to one side wheel 24 and is walked inclined to one side in order to prevent to carry net 4 to the frictional force between net 4, and on the other hand, when carrying net 4 to walk inclined to one side or become loose, prevents walking inclined to one side wheel 24 and can adjust vertical position in through-hole 25, increases the girth of carrying net 4 transport route, plays the effect of tensioning.

The utility model provides a prevent walking skewed wheel 24 sets up in pairs, both can only adjust one side, can adjust simultaneously by both sides again, guaranteed to carry 4 tensioning of net, level and smooth transport tealeaves, prevent to carry net 4 to walk skewed.

The utility model provides a prevent walking eccentric wheel 24 simple structure has played simultaneously and has pressed net and two effects of tensioning, and the general in various conveyor, with low costs, the prospect is extensive.

The utility model discloses in, frame 1 is pin-connected panel frame 1, can assemble frame 1 according to actual need, reaches and sets for length to adapt to the transport net 4 of different length, easy and simple to handle, long tealeaves only need a machine can accomplish its stoving when different stoving, saves cost and region.

Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A far infrared drying device is characterized by comprising a rack (1), a driving device (2) and a blowing device (3), wherein a conveying net (4) is arranged on the rack (1), an infrared device (7) is further arranged on the rack (1), the infrared device (7) is used for heating and drying tea leaves, and a drying cavity (8) for drying the tea leaves is formed between the conveying net (4) and the infrared device (7); the tea leaf drying machine is characterized in that the rack (1) is also provided with a wind power conveying device (9), the air blowing device (3) is used for blowing air, the air is conveyed to the lower surface of the conveying net (4) through the wind power conveying device (9) and used for accelerating wet heat exchange in the tea leaf drying process so as to accelerate the drying speed.

2. The far infrared drying device according to claim 1, characterized in that the wind power transmission device (9) comprises a wind supply channel (10) and a wind supply hopper (11) which are sequentially connected with the wind blowing device (3), the thinner end of the wind supply hopper (11) is connected with the wind supply channel (10), the thinner end in the wind supply hopper (11) is provided with a grid (12), and the grid (12) divides the wind supply hopper (11) into a plurality of wind supply openings; a blast box (13) is further arranged between the blast device (3) and the blast channel (10), and the blast box (13) is used for dispersing wind power blown out by the blast device (3); a lower opening (15) is formed in the lower portion of one surface, close to the air blowing device (3), of the air blowing box (13), and the lower opening (15) is used for being in butt joint with the air blowing device (3); an upper opening (14) is formed in the upper portion of one face, close to the air supply channel (10), of the air blowing box (13), and the upper opening (14) is used for being in butt joint with the air supply channel (10).

3. The far infrared drying device according to claim 2, characterized in that the grids (12) are criss-cross grids (12), the height of the grids (12) is 1/3-2/3 of the height of the air supply funnel (11); a partition plate (16) is arranged in the air supply channel (10), the partition plate (16) divides the air supply channel (10) into an upper air supply cavity and a lower air supply cavity or a left air supply cavity and a right air supply cavity, and the partition plate (16) is used for dividing air; the air supply channel (10) is provided with a cleaning window (17), the cleaning window (17) is movably connected with the air supply channel (10), and the cleaning window (17) is used for cleaning or overhauling the air supply channel (10).

4. The far infrared drying device according to claim 1, characterized in that a leaf homogenizing device (18) is further arranged on the machine frame (1), the leaf homogenizing device (18) is arranged above the drying chamber (8) and used for uniformly spreading tea leaves, the leaf homogenizing device (18) comprises a central support (19), blades (20) are detachably connected to the peripheral wall of the central support (19) in the length direction, and leaf homogenizing sawteeth (32) are detachably connected to one side, far away from the central support (19), of each blade (20); the end part of the central support (19) in the length direction is connected with a rotating device (21), and the rotating device (21) drives the central support (19) to rotate.

5. A far infrared drying device, as set forth in claim 4, characterized in that a distance adjusting device (22) is further provided between the blade (20) and the central support (19), the distance adjusting device (22) can adjust the distance between the blade (20) and the central support (19); and displacement devices (23) are arranged at two ends of the central support (19) in the length direction, and the displacement devices (23) are used for adjusting the distance between the central support (19) and the conveying net (4).

6. The far infrared drying device according to claim 1, characterized in that the edge of the conveying net (4) in the length direction is provided with an anti-deviation wheel (24), the frame (1) is further provided with a through hole (25) for fixing the anti-deviation wheel (24), and the anti-deviation wheel (24) can move in the through hole (25) in the vertical direction and then be fixed.

7. A far infrared drying apparatus, according to claim 1, characterized in that said infrared means (7) comprises an infrared lamp (26), a lamp shade (27) and an insulation board (28), said infrared lamp (26) being arranged inside the drying chamber (8) for heating and drying the tea leaves, said lamp shade (27) being mounted above the infrared lamp (26) for protecting the infrared lamp (26); the heat preservation plate (28) is arranged on the rack (1) above the lampshade (27) and used for guaranteeing the temperature of the drying cavity (8).

8. A far infrared drying device according to claim 7, characterized in that a turning plate (29) is arranged between the heat preservation plates (28) at intervals, the turning plate (29) is arranged above the leaf homogenizing device (18), a reversing device (30) is arranged on the turning plate, the turning plate can be turned over relative to the heat preservation plates (28) through the reversing device (30), and the turning plate is used for checking the state of the tea leaves in the drying cavity (8).

9. A far infrared drying device, according to claim 1, characterized in that, the frame (1) is further provided with a conveying roller, the conveying roller comprises a driving roller and one or more driven rollers, the conveying net (4) is sleeved on the conveying roller, the driving device (2) is used for driving the driving roller to rotate, two end portions of the driven rollers are further provided with position adjusting devices (31), and the position adjusting devices (31) are used for adjusting the positions of the driven rollers so as to tension the conveying net (4).

10. The far infrared drying device according to claim 1, characterized in that the frame (1) is a split mount frame (1).

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