CN113028772A

CN113028772A - High-efficient choice drying device of tealeaves

Info

Publication number: CN113028772A
Application number: CN202110266619.7A
Authority: CN
Inventors: 余海
Original assignee: Jinzhai Jinxichun Tea Co ltd
Current assignee: Jinzhai Jinxichun Tea Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-25

Abstract

The invention discloses a high-efficiency tea leaf fine-selection drying device, which comprises a drying cylinder; a rotary drum; the stir-frying device is arranged inside the drying cylinder and comprises a stirring shaft, stirring rods, stir-frying rods and stir-frying blades, the stirring shaft is rotatably arranged in the middle of the rotating cylinder, the inside of the stirring shaft is of a hollow structure, a plurality of groups of hot air holes are formed in the middle of the stirring shaft, a plurality of groups of stir-frying rods are fixedly arranged on the outer side of the stirring shaft, the stir-frying blades are fixedly arranged at one ends of the stir-frying rods, which are far away from the stirring shaft, and are in sliding contact with the inner wall of the drying cylinder, the stirring rods are arranged on the left side and the right side of each stir-frying rod, and the stirring; the invention relates to the field of tea processing equipment, in particular to a knocking assembly which is arranged in a heat preservation cavity and comprises an installation block, a driven shaft, a torsion spring, a striking rod, a knocking rod and a fixing plate.

Description

High-efficient choice drying device of tealeaves

The technical field is as follows:

the invention relates to the field of tea processing equipment, in particular to a high-efficiency tea fine-selection drying device.

Background art:

tea leaves are originated in China, and the tea leaves are used as sacrificial offerings at the earliest time. However, the beverage is eaten by people in the late spring and autumn, is developed into a medicinal food in the middle of Western Han, is developed into a palace high-grade beverage in the later period of Western Han, and is popularized among people as a common beverage which is the thing after the West jin. The ancient site of tea leaves planted artificially in Tianlushan mountain of Yuyao, Zhejiang has been found to have a history of more than 6000 years. Tea drinking begins in china. The leatheroid is oblong or elliptical, can be directly soaked and drunk by boiled water, and is divided into six categories according to variety, manufacturing mode and product appearance. The tea can be spring tea, summer tea, autumn tea and winter tea according to the seasons. Various raw tea or refined tea is processed into tea, including scented tea, compressed tea, extracted tea, medicinal health tea, tea-containing beverage, etc. The tea contains catechin, cholestenone, caffeine, inositol, folic acid, pantothenic acid, etc., and can promote health. Tea beverage-tea is praised as one of the three major beverages in the world.

The processing of tealeaves needs the realization of multichannel process, and the stoving is one of all kinds of tea quality promotion's key process, and current tealeaves drying device stoving effect is poor, and the tealeaves on upper strata is dry very fast, and inside tealeaves is inhomogeneous because of being heated, reduces the quality of tealeaves, and current tealeaves drying device can not select high-quality tealeaves when drying to tealeaves simultaneously, and tealeaves after the stoving still need to select separately, increases manufacturing cost's input.

The invention content is as follows:

aiming at the problems in the prior art, the invention aims to provide an efficient tea leaf fine-selecting and drying device.

The technical problem to be solved by the invention is realized by adopting the following technical scheme: a high-efficiency tea leaf selecting and drying device comprises

A drying drum;

the rotary drum is arranged on the outer side of the drying drum and used for drying the broken tea leaves, and a heat preservation cavity is formed between the rotary drum and the drying drum;

the stir-frying device is arranged inside the drying cylinder and comprises a stirring shaft, stirring rods, stir-frying rods and stir-frying blades, the stirring shaft is rotatably arranged in the middle of the rotating cylinder, the inside of the stirring shaft is of a hollow structure, a plurality of groups of hot air holes are formed in the middle of the stirring shaft, a plurality of groups of stir-frying rods are fixedly arranged on the outer side of the stirring shaft, the stir-frying blades are fixedly arranged at one ends of the stir-frying rods, which are far away from the stirring shaft, and are in sliding contact with the inner wall of the drying cylinder, the stirring rods are arranged on the left side and the right side of each stir-frying rod, and the stirring;

the knocking component is arranged in the heat preservation cavity and comprises mounting blocks, a driven shaft, torsional springs, striking rods, knocking rods and a fixing plate, a filter screen is arranged at the bottom side of the drying cylinder, the mounting blocks are arranged on the left side and the right side of the filter screen, the mounting blocks are fixedly mounted on the outer wall of the drying cylinder, the driven shaft is rotatably mounted between the two groups of mounting blocks, the torsional springs are sleeved at the two ends of the driven shaft, one end of each torsional spring is fixedly connected with the mounting blocks, the other end of each torsional spring is fixedly connected with the driven shaft, the striking rods are fixedly mounted on the shaft sides of the driven shafts and movably contacted with the filter screen, the fixing plate is fixedly mounted on the inner wall of the rotating cylinder, and the striking rods are movably contacted with the;

the inside fixed mounting of a stoving section of thick bamboo has the baffle, baffle left side fixed mounting has first motor, the (mixing) shaft left end runs through the output shaft fixed connection of baffle and first motor.

Preferably, the length of the knocking rod is greater than that of the striking rod, and the included angle between the striking rod and the striking rod is 120-160 degrees.

Preferably, the (mixing) shaft right-hand member runs through drying cylinder right side wall and revolving drum right side wall in proper order, the (mixing) shaft rotates with the drying cylinder to be connected, (mixing) shaft and revolving drum fixed connection, the bearing has been cup jointed in the (mixing) shaft right-hand member outside, the inner circle and the (mixing) shaft fixed connection of bearing, the outer lane bottom side fixed mounting of bearing has the base, the drying cylinder right side is equipped with two sets of stabilizer blades, and is two sets of the pivot is installed in the rotation of stabilizer blade top, the pivot run through the base and rather than between fixed connection, drying cylinder left end bottom is equipped with the second motor, the output shaft fixed mounting of second motor has the cam, cam and drying cylinder.

Preferably, a spout is arranged on the outer wall of the middle of the drying cylinder, a limiting groove is arranged on one side of the spout, the side wall of the left end of the rotary cylinder is positioned in the spout and is in sliding connection with the side wall of the left end of the rotary cylinder, a limiting plate is fixedly arranged on one side of the rotary cylinder, and the limiting plate is in sliding connection with the limiting groove.

Preferably, one side of the limiting plate, which is close to the chute, is provided with a second groove, one side of the limiting groove, which is close to the chute, is provided with a first groove, and a ball is arranged between the first groove and the second groove.

Preferably, a feeding hopper communicated with the inside of the drying cylinder is arranged on the upper side of the left end of the drying cylinder, a discharging pipe communicated with the inside of the drying cylinder is arranged on the lower side of the left end of the drying cylinder, an electromagnetic valve is arranged in the middle of the discharging pipe, and a residue outlet is formed in the bottom of the right end of the rotary cylinder.

Preferably, the side wall of the drying cylinder is provided with vent holes, and the diameter of each vent hole is 1mm-3 mm.

Preferably, the right side of the rotating cylinder is provided with a blowpipe, one end of the blowpipe is connected with the output end of the air heater, and the other end of the blowpipe extends into the stirring shaft.

Preferably, a sealing ring is arranged on the outer side of the blowing pipe, and the left end face of the sealing ring is in sealing contact with the right end face of the stirring shaft.

Compared with the prior art, the invention has the beneficial effects that:

according to the high-efficiency tea leaf fine-selection drying device provided by the invention, the stirring shaft is driven to rotate through the work of the first motor, the stirring shaft drives the stirring rod and the stir-frying rod on the shaft side to rotate, tea leaves are stirred and stir-fried, hot air is sent into the stirring shaft through the blowing pipe, the hot air enters the drying cylinder through the hot air hole in the side wall of the stirring shaft, the tea leaves are uniformly dried under the cooperation of the hot air and the stir-frying device, and the drying efficiency is improved.

According to the high-efficiency tea leaf fine-selection drying device, the second motor works to drive the cam to rotate, so that the drying cylinder is controlled to rotate around the rotating shaft, the inclination angle of the drying cylinder can be controlled in real time, the electromagnetic valve on the discharging pipe is closed when tea leaves are dried, the drying cylinder is rotated in a reciprocating mode by controlling the second motor to rotate, the rolling and drying force of the tea leaves is increased, the second motor is controlled to drive the cam to rotate after the tea leaves are dried, the small round end is in contact with the drying cylinder, the height of the left end of the drying cylinder is lower than that of the right end of the drying cylinder.

According to the high-efficiency tea leaf fine-selection drying device provided by the invention, the stirring shaft drives the rotary drum to synchronously rotate, so that the fixed plate intermittently collides with the impact rod, the driven shaft is driven to rotate when the fixed plate is contacted with the impact rod, the impact rod is separated from the filter screen, the torsion spring is in a force accumulation state at the moment, the driven shaft is driven to rotate to an initial state under the action of the elasticity of the torsion spring when the fixed plate is separated from the impact rod, the falling speed of tea leaf residues is increased through the impact of the impact rod on the filter screen, and meanwhile, the filter screen is prevented from being.

According to the high-efficiency tea leaf fine-selection drying device, the friction force of the stirring shaft in the rotating process is reduced through the design of the bearing, the drying cylinder is convenient to rotate through the matching among the base, the rotating shaft and the supporting legs, the tea leaf residues are convenient to discharge after being dried through the adjustment of the inclination angle of the drying cylinder, the dried tea leaf residues can be used for manufacturing tea bags, and the economic benefit is increased.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced 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 the drawings without creative efforts;

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connecting structure of a stirring shaft and a blowing pipe in the present invention;

FIG. 3 is a right side view of the bearing of the present invention;

FIG. 4 is a schematic view of the left side internal structure of the drying drum of the present invention;

FIG. 5 is a schematic view of the connection structure of the torsion spring and the base of the present invention;

FIG. 6 is a right side view of the knocking assembly according to the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

wherein: 1. a drying drum; 101. a vent hole; 102. a chute; 103. a limiting groove; 104. a first groove; 2. a rotary drum; 3. a partition plate; 4. a first motor; 5. a stirring shaft; 501. hot air holes; 6. a knocking component; 601. mounting blocks; 602. a driven shaft; 603. a torsion spring; 604. a striker bar; 605. a knock bar; 606. a fixing plate; 7. a blowpipe; 8. a stirring rod; 9. a stir-frying rod; 10. stir-frying the leaves; 11. a feed hopper; 12. a discharge pipe; 13. an electromagnetic valve; 14. a residue outlet; 15. a heat preservation cavity; 16. a support leg; 17. a bearing; 18. a base; 19. a rotating shaft; 20. a second motor; 21. a cam; 22. a filter screen; 23. a limiting plate; 2301. a second groove; 24. a ball bearing; 25. and (4) a sealing ring.

The specific implementation mode is as follows:

in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Example 1:

as shown in figures 1-6, an efficient tea leaf selecting and drying device comprises

A drying cylinder 1;

the rotary drum 2 is arranged on the outer side of the drying drum 1 and used for drying the broken tea leaves, and a heat preservation cavity 15 is formed between the rotary drum 2 and the drying drum 1;

the stir-frying device is arranged inside the drying cylinder 1 and comprises a stirring shaft 5, a stirring rod 8, a stir-frying rod 9 and stir-frying blades 10, the stirring shaft 5 is rotatably arranged in the middle of the rotating cylinder 2, the inside of the stirring shaft 5 is of a hollow structure, the middle of the stirring shaft 5 is provided with a plurality of groups of hot air holes 501, the outer side of the stirring shaft 5 is fixedly provided with a plurality of groups of stir-frying rods 9, one end, away from the stirring shaft 5, of each stir-frying rod 9 is fixedly provided with the stir-frying blades 10, the stir-frying blades 10 are in sliding contact with the inner wall of the drying cylinder 1, the left side and the right side of each stir-frying rod 9 are respectively provided with the stirring rods 8; the stirring shaft 5 is driven to rotate through the work of the first motor 4, the stirring shaft 5 drives the stirring rod 8 on the shaft side and the stir-frying rod 9 to rotate, and tea leaves are stirred and stir-fried.

A knocking component 6 arranged in the heat-insulating cavity 15, wherein the knocking component 6 comprises a mounting block 601, a driven shaft 602, a torsion spring 603, a striking rod 604, a knocking rod 605 and a fixing plate 606, a filter screen 22 is arranged at the bottom side of the drying cylinder 1, mounting blocks 601 are arranged at the left side and the right side of the filter screen 22, the mounting blocks 601 are fixedly mounted on the outer wall of the drying cylinder 1, a driven shaft 602 is rotatably mounted between the two groups of mounting blocks 601, the two ends of the driven shaft 602 are sleeved with torsion springs 603, one end of each torsion spring 603 is fixedly connected with the mounting block 601, the other end of the torsion spring 603 is fixedly connected with a driven shaft 602, a striking rod 604 is fixedly arranged at the shaft side of the driven shaft 602, a knocking rod 605 is fixedly arranged on the axial side of the driven shaft 602, the knocking rod 605 is movably contacted with the filter screen 22, a fixing plate 606 is fixedly arranged on the inner wall of the rotary drum 2, and the impact rod 604 is movably contacted with the fixing plate 606; drive rotatory section of thick bamboo 2 through (mixing) shaft 5 and rotate in step for fixed plate 606 intermittent type nature collides with striking rod 604, drives driven shaft 602 and rotates when fixed plate 606 contacts with striking rod 604, strikes pole 605 and filter screen 22 separation, and torsional spring 603 is in the power storage state this moment, when fixed plate 606 separates with striking rod 604, drives driven shaft 602 and turns round to initial condition under the spring action of torsional spring 603, through strike pole 605 and increase tealeaves residue falling speed to the striking of filter screen 22, avoid filter screen 22 to block up simultaneously.

The inside fixed mounting of a stoving section of thick bamboo 1 has

baffle

3, 3 left sides fixed mounting of baffle have first motor 4, 5 left ends of (mixing) shaft run through baffle 3 and first motor 4's output shaft fixed connection.

The length of the knocking rod 605 is greater than that of the knocking rod 604, and the included angle between the knocking rod 605 and the knocking rod 604 is 120-160 degrees. The knocking force is increased by utilizing the action of the moment arm in the lever principle, and the screening speed is improved.

The 5 right-hand members of (mixing) shaft run through 1 right side wall of a drying section of thick bamboo and 2 right side walls of a revolving drum in proper order, (mixing) shaft 5 rotates with a drying section of thick bamboo 1 to be connected, (mixing)

shaft

5 and 2 fixed connection of a revolving drum, bearing 17 has been cup jointed in the 5 right-hand members outside of (mixing) shaft, bearing 17's inner circle and (mixing) shaft 5 fixed connection, bearing 17's outer lane bottom side fixed mounting has

base

18, 1 right side of a drying section of thick bamboo is equipped with two sets of stabilizer blades 16, and is two sets of stabilizer blade 16 top is rotated and is installed pivot 19, pivot 19 run through base 18 and rather than between fixed connection, reduced the frictional force of (mixing) shaft 5 rotatory in-process through bearing 17's design, make drying section.

And a second motor 20 is arranged at the bottom of the left end of the drying cylinder 1, a cam 21 is fixedly mounted on an output shaft of the second motor 20, and the cam 21 is connected with the drying cylinder 1 in a sliding manner. Work through second motor 20 and drive cam 21 and rotate, and then control drying cylinder 1 takes place to rotate around pivot 19, inclination that can real time control drying cylinder 1, close solenoid valve 13 on discharging pipe 12 when drying to tealeaves, rotate through control second motor 20 and make drying cylinder 1 reciprocating rotation, increase tealeaves stoving dynamics of rolling, control second motor 20 after the tealeaves is dried and drive the rotatory little round end of messenger and drying cylinder 1 contact of

cam

21, 1 left end height of drying cylinder is less than the right-hand member, the ejection of compact of tealeaves of being convenient for.

The right side of the rotary cylinder 2 is provided with a blowing pipe 7, one end of the blowing pipe 7 is connected with the output end of the air heater, and the other end of the blowing pipe 7 extends into the stirring shaft 5. During will hot-blast (mixing) shaft 5 of sending into through blowing pipe 7, hot-blast hole 501 through (mixing) shaft 5 lateral wall enters into drying cylinder 1 inside, makes tealeaves dry evenly under hot-blast and the cooperation of stir-fry device, improves drying efficiency.

Example 2:

on the basis of example 1, as shown in fig. 1 and 7; the outer wall of the middle part of the drying cylinder 1 is provided with a sliding groove 102, one side of the sliding groove 102 is provided with a limiting groove 103, the side wall of the left end of the rotary cylinder 2 is positioned in the sliding groove 102 and is in sliding connection with the sliding groove, the side wall of the left end of the rotary cylinder 2 is close to one side of the drying cylinder 1 and is fixedly provided with a limiting plate 23, and the limiting plate 23 is in sliding connection with the limiting groove 103.

One side of the limiting plate 23 close to the sliding groove 102 is provided with a second groove 2301, one side of the limiting groove 103 close to the sliding groove 102 is provided with a first groove 104, and a ball 24 is arranged between the first groove 104 and the second groove 2301. The connection strength between the rotary drum 2 and the drying drum 1 is improved, the friction force in the rotary process is reduced to a great extent, and the stability of the device in the operation process is improved.

The utility model discloses a drying cylinder, including a drying cylinder 1, discharging pipe 12,

solenoid valve

13, 2 right-hand members of rotatory section of thick bamboo bottom is equipped with residue export 14, the drying cylinder 1 left end upper side is equipped with feeder hopper 11 rather than inside intercommunication, 1 left end downside of drying cylinder is equipped with rather than inside intercommunication's discharging pipe 12, discharging pipe 12 middle part is equipped with

solenoid valve

13, 2 right-hand members of rotatory section of. The tea leaf residue is convenient to dry and then discharged through the inclination angle adjustment of the drying cylinder 1, and the dried tea leaf residue can be used for making tea bags, so that the economic benefit is improved.

The side wall of the drying cylinder 1 is provided with the vent holes 101, the diameter of the vent holes 101 is 1mm-3mm, hot air can flow in the drying cylinder 1 and the heat preservation cavity 15, and tea leaves are prevented from passing through the vent holes 101.

And a sealing ring 25 is arranged on the outer side of the blowing pipe 7, and the left end face of the sealing ring 25 is in sealing contact with the right end face of the stirring shaft 5. The air tightness is increased, and the heat loss is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient choice drying device of tealeaves which characterized in that: comprises that

A drying drum (1);

the rotary drum (2) is arranged on the outer side of the drying drum (1) and is used for drying the broken tea leaves, and a heat preservation cavity (15) is formed between the rotary drum (2) and the drying drum (1);

the stir-frying device is arranged inside the drying cylinder (1), and comprises a stirring shaft (5), a stirring rod (8), a stir-frying rod (9) and stir-frying blades (10), wherein the stirring shaft (5) is rotatably arranged in the middle of the rotating cylinder (2), the inside of the stirring shaft (5) is of a hollow structure, a plurality of groups of hot air holes (501) are formed in the middle of the stirring shaft (5), a plurality of groups of stir-frying rods (9) are fixedly arranged on the outer side of the stirring shaft (5), the stir-frying blades (10) are fixedly arranged at one end, far away from the stirring shaft (5), of the stir-frying rod (9), the stir-frying blades (10) are in sliding contact with the inner wall of the drying cylinder (1), the stirring rods (8) are arranged on the left side and the right side of the stir-frying rod (9), and the stirring rods (8;

the knocking component (6) is arranged in the heat insulation cavity (15), the knocking component (6) comprises mounting blocks (601), a driven shaft (602), torsion springs (603), impact rods (604), knocking rods (605) and a fixing plate (606), a filter screen (22) is arranged at the bottom side of the drying cylinder (1), the mounting blocks (601) are arranged at the left side and the right side of the filter screen (22), the mounting blocks (601) are fixedly mounted on the outer wall of the drying cylinder (1), the driven shaft (602) is rotatably mounted between the two groups of mounting blocks (601), the torsion springs (603) are respectively sleeved at the two ends of the driven shaft (602), one end of each torsion spring (603) is fixedly connected with the mounting block (601), the other end of each torsion spring (603) is fixedly connected with the driven shaft (602), the impact rods (604) are fixedly mounted at the shaft side of the driven shaft (602), and the knocking rods (605) are fixedly mounted, the knocking rod (605) is movably contacted with the filter screen (22), the inner wall of the rotary cylinder (2) is fixedly provided with a fixing plate (606), and the striking rod (604) is movably contacted with the fixing plate (606);

the inside fixed mounting of a stoving section of thick bamboo (1) has baffle (3), baffle (3) left side fixed mounting has first motor (4), the output shaft fixed connection of baffle (3) and first motor (4) is run through to (mixing) shaft (5) left end.

2. The high-efficiency tea leaf concentrating and drying device as claimed in claim 1, wherein: the length of the knocking rod (605) is greater than that of the striking rod (604), and the included angle between the striking rod (604) and the knocking rod (605) is 120-160 degrees.

3. The high-efficiency tea leaf concentrating and drying device as claimed in claim 1, wherein: the right end of the stirring shaft (5) sequentially penetrates through the right side wall of the drying cylinder (1) and the right side wall of the rotating cylinder (2), the stirring shaft (5) is rotationally connected with the drying cylinder (1), the stirring shaft (5) is fixedly connected with the rotating cylinder (2), a bearing (17) is sleeved outside the right end of the stirring shaft (5), the inner ring of the bearing (17) is fixedly connected with the stirring shaft (5), a base (18) is fixedly arranged at the bottom side of the outer ring of the bearing (17), two groups of support legs (16) are arranged at the right side of the drying cylinder (1), a rotating shaft (19) is rotatably arranged at the tops of the two groups of support legs (16), the rotating shaft (19) penetrates through the base (18) and is fixedly connected with the base, a second motor (20) is arranged at the bottom of the left end of the drying cylinder (1), and an output shaft of the second motor (20) is fixedly provided with a cam (21), and the cam (21) is in sliding connection with the drying cylinder (1).

4. The high-efficiency tea leaf concentrating and drying device as claimed in claim 1, wherein: drying cylinder (1) middle part outer wall is equipped with spout (102), spout (102) one side is equipped with spacing groove (103), rotatory section of thick bamboo (2) left end lateral wall is located spout (102) and rather than sliding connection, rotatory section of thick bamboo (2) left end lateral wall is close to drying cylinder (1) one side fixed mounting has limiting plate (23), limiting plate (23) and spacing groove (103) sliding connection.

5. The high-efficiency tea leaf concentrating and drying device as claimed in claim 4, wherein: one side, close to the sliding groove (102), of the limiting plate (23) is provided with a second groove (2301), one side, close to the sliding groove (102), of the limiting groove (103) is provided with a first groove (104), and a ball (24) is arranged between the first groove (104) and the second groove (2301).

6. The high-efficiency tea leaf concentrating and drying device as claimed in claim 1, wherein: drying cylinder (1) left end upper side is equipped with feeder hopper (11) rather than inside intercommunication, drying cylinder (1) left end downside is equipped with discharging pipe (12) rather than inside intercommunication, discharging pipe (12) middle part is equipped with solenoid valve (13), rotatory section of thick bamboo (2) right-hand member bottom is equipped with residue export (14).

7. The high-efficiency tea leaf concentrating and drying device as claimed in claim 1, wherein: the side wall of the drying cylinder (1) is provided with a vent hole (101), and the diameter of the vent hole (101) is 1-3 mm.

8. The high-efficiency tea leaf concentrating and drying device as claimed in claim 1, wherein: the right side of the rotary cylinder (2) is provided with a blowpipe (7), one end of the blowpipe (7) is connected with the output end of the air heater, and the other end of the blowpipe (7) extends into the stirring shaft (5).

9. The high-efficiency tea leaf concentrating and drying device as claimed in claim 8, wherein: the outer side of the blowing pipe (7) is provided with a sealing ring (25), and the left end face of the sealing ring (25) is in sealing contact with the right end face of the stirring shaft (5).