CN108571872B - Device for drying tea leaves - Google Patents
Device for drying tea leaves Download PDFInfo
- Publication number
- CN108571872B CN108571872B CN201810381775.6A CN201810381775A CN108571872B CN 108571872 B CN108571872 B CN 108571872B CN 201810381775 A CN201810381775 A CN 201810381775A CN 108571872 B CN108571872 B CN 108571872B
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- CN
- China
- Prior art keywords
- box
- net
- drying
- filter screen
- net cage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/20—Teas, i.e. drying, conditioning, withering of tea leaves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Drying Of Solid Materials (AREA)
- Tea And Coffee (AREA)
Abstract
The utility model discloses a device for being directed at tealeaves is dried, including the stoving case, the stoving case includes the box, heater strip and chamber door, the stoving incasement is equipped with the box with a net, the box with a net is formed by five screen cloth hinges, cross a plurality of horizontal poles of fixedly connected with on two inner walls that the box with a net is relative, the box with a net both sides all are equipped with the pivot, equal fixed connection cam in two pivots, the salient orientation of two cams is on one side, the lateral wall of box with a net is located the movement track of two cams, the box with a net below is equipped with the filter screen, the filter screen is the hemisphere, all detachable connection rope in filter screen both sides top, it fixes on the stoving roof wall of box with a. This scheme has been solved at the stoving in-process, and the tealeaves of each part is heated inhomogeneously, influences the problem of tealeaves quality.
Description
Technical Field
The invention relates to the field of tea processing, in particular to a device for drying tea.
Background
The drying is an important process for tea production, and the main purpose is to remove moisture in the tea and achieve the purposes of tea shaping and oxidation resistance. Tea drying is usually accomplished by adopting the stoving case, and prior art generally is on putting the reel of stoving incasement with tealeaves, utilizes charcoal brazier or electric energy heater strip etc. to toast. Because charcoal brazier, electric energy heater strip are fixed in the fixed position of stoving case, so the temperature that tealeaves received can be inconsistent, lead to the stoving effect not good.
Chinese publication No. CN105651013B discloses a tea drying box, which comprises a box body and a box door arranged on the front surface of the box body, wherein a box chamber of the box body is communicated with a heat source, the box door is provided with an inlet and an outlet for a screen frame, the inlet is provided with a strip-shaped door, and supporting claws are arranged on the inner wall of the box chamber in the box body for supporting two side frames of the screen frame. The supporting claws move from top to bottom along the inner walls of the two sides of the box chamber, the supporting claws are arranged on chain links of the transmission chain and extend into the box chamber from the outer parts of the inner walls of the two sides of the box chamber, the upper screen frame penetrates through an inlet of the screen frame and then is placed on the supporting claws, and the transmission chain drives the upper screen frame on the supporting claws to move from top to bottom so as to place the next upper screen frame. The transmission chain rotates to drive the upper screen frame to move downwards, a plurality of new upper screen frames to be baked are placed into the box chamber by repeating the actions, then the transmission chain stops working, after tea leaves on the screen frames in the box chamber are dried, the upper screen frames to be baked are continuously placed into the box chamber, the transmission chain starts working, the baked lower screen frames at the lowest layer fall onto the screen conveying bracket, and the screen frames are directly placed into or taken out from an inlet and an outlet on the box door. The screen frame moves downwards gradually, so that the tea leaves on the screen frame are heated relatively uniformly.
In the above-mentioned scheme, although the mode of having taken the removal reel makes tealeaves on the reel be heated in the drying cabinet relatively even, nevertheless because the tealeaves of placing on the reel has certain thickness, the tealeaves piles that the temperature that the surface received and tealeaves piles inside the temperature that receives different, and is inhomogeneous to the stoving of tealeaves, influences the tealeaves quality.
Disclosure of Invention
The invention aims to provide a device for drying tea leaves, and solves the problem that the tea leaves in all parts are unevenly heated and the quality of the tea leaves is influenced in the drying process.
In order to achieve the above object, the basic scheme of the invention is as follows:
the device for drying tea leaves comprises a drying box, wherein the drying box comprises a box body, a heating wire and a box door, a box net is arranged in the drying box, the box net is a grid box with an opening at the top and in a cuboid shape, the peripheral side part and the bottom part of the box net are sequentially hinged by using a screen, the bottom surface of the box net is connected with the drying box, a plurality of cross rods are fixedly connected to two opposite inner walls of the box net in a crossed manner, rotating shafts rotatably connected to the inside of the drying box are arranged on two sides of the box net, the two rotating shafts are controlled by a motor to rotate synchronously, cams are fixedly connected to the two rotating shafts, the protruding parts of the two cams face to the same side, the side walls of the box net are positioned in the motion tracks of the two cams, a filter screen is arranged below the box net, the filter screen is hemispherical, the connecting rope bypasses the side edge of the net cage and is fixed on the top wall of the drying box above the net cage, and a residue collecting box is arranged below the filter screen.
Principle of the basic scheme: during operation, tea leaves are placed in the net box, the motor is started, the heating wires are electrified, the temperature in the drying box is raised by the heating wires, and the tea leaves are dried. The motor drives the two cams to rotate, the two cams rotate to alternately press the two side surfaces of the net cage, and the net cage is deformed and swayed left and right due to the fact that the surfaces of the net cage are hinged. When the net cage deforms, the cross rods fixed on the inner wall of the net cage move along with the wall of the net cage, so that tea leaves in the net cage are stirred, and the tea leaves in the net cage are heated uniformly.
The volume of the tea leaves after being dried is reduced, and the tea leaves fall down from the meshes of the net cage after the volume of the tea leaves is reduced and fall onto the filter screen below the net cage. The top ends of the two sides of the filter screen and the top wall of the drying box above the net cage are connected with connecting ropes, and when the net cage swings left and right under the action of the cam, the connecting ropes deform due to the pressing of the net cage and pull one end of the filter screen upwards. When the net cage swings leftwards, the left end of the filter screen is pulled upwards; when the net cage swings rightwards, the right end of the filter screen is pulled upwards, and the two ends of the filter screen are pulled upwards at intervals due to the fact that the filter screen is hemispherical, so that the filter screen can move up and down, left and right, and residues, dust, tea stems and the like contained in tea leaves in the filter screen are screened out and then fall into the residue collection box.
The advantages of the basic scheme are: 1. this scheme adopts open-top and can freely sway's box with a net structure to drive its horizontal hunting by the cam, the horizontal pole in the box with a net of deuterogamying for tealeaves can form the stirring effect of relative position in box with a net inside, for the mode that removes the reel among the prior art, this scheme can stir the inside of tealeaves, makes tealeaves be heated evenly, and it is effectual to dry, and the tealeaves finished product quality that obtains is better.
2. For the stirring mode of traditional (mixing) shaft and stirring rake, this scheme adopts the net cage to warp and the net cage in the horizontal pole mode of removing about stir the tealeaves in the net cage, and this mode is gentler, more is applicable to this kind of fragile product of tealeaves, has reduced the damage of stirring procedure to tealeaves, has guaranteed the quality of tealeaves.
3. Utilize tealeaves to accomplish the characteristics that the volume shrinks after drying, the tealeaves of accomplishing the stoving in the box with a net divides the sieve out, and the tealeaves of avoiding accomplishing the stoving lasts to be dried, causes the not good problem of tealeaves quality.
4. This scheme sets up hemispherical filter screen through the below at the box with a net, and be connected with between the both ends of filter screen and the stoving roof wall and be connected the rope, utilize the horizontal hunting of box with a net to produce to connecting the rope and support to press and make and connect the rope and warp, thereby realize filter screen and box with a net and form the linkage, and need not additionally to set up solitary power supply in filter screen department, thereby make the filter screen produce the sifting about from top to bottom, the tealeaves of accomplishing the stoving that sieves out from the box with a net filters, with the residue in the tealeaves, the dust, the tea stalk etc. filters, improve the off-the-shelf quality of tealeaves, and the filter screen produces the sifting about from top to bottom, better than ordinary vibrations filter.
5. This scheme adopts net cage splendid attire tealeaves to dry to tealeaves, and its lateral wall all around is screen cloth structure, is favorable to the heat in the stoving case to fully permeate the net cage on the one hand, and is better to the stoving effect of tealeaves, and the tealeaves that on the other hand was dried and is accomplished can spill through net cage side screen cloth structure, falls into the filter screen of below and carries out the edulcoration, and its stoving is qualified back tealeaves divides sieve filterable efficiency higher.
Further, the tip that is located the box with a net center of horizontal pole is fixed with the ball, and horizontal pole tip sets up the ball, can be so that the stirring effect is better on the one hand, and on the other hand, the tip is that slick and sly ball is littleer for the tip that has the edges and corners to the damage of tealeaves.
Further, the heater strip is fixed on the inner wall of the first half of stoving case, and the effective stoving part of stoving case is concentrated in first half, then only dries the tealeaves of the net cage of top, and tealeaves in the filter screen of below can not receive the stoving again, has guaranteed the tealeaves quality.
Furthermore, the bottom end of the net cage is provided with an air blower, the power and the air speed of the air blower are controlled to be minimum, on one hand, tea leaves are prevented from being blown out of the net cage, and on the other hand, the tea leaves at the bottom are blown to the upper part of the net cage or the cross rod. The air blower is started after the drying process is started by the air blown out by the air blower, so that the water vapor generated in the tea drying process is blown away, the quality change of the tea in the high-temperature and high-humidity air is avoided, and the drying speed is accelerated.
Further, the net cage and the drying box are detachably connected, after the net cage is used for a period of time, partial residues possibly block meshes of the net cage, the net cage can be taken out to clean the net cage, and the drying effect and the screening effect are guaranteed.
Furthermore, through holes are formed in the top ends of the two sides of the filter screen, a ring buckle capable of being buckled into the through holes is fixed at the lower end of the connecting rope, the top ends of the two sides of the filter screen are buckled on the ring buckle of the connecting rope before drying starts, and the connecting rope drives the filter screen to move after drying starts; and after drying, taking down the filter screen from the ring buckle and collecting the finished tea leaves in the filter screen.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an apparatus for drying tea leaves according to the present invention;
fig. 2 is a schematic structural diagram of a net cage in an embodiment of the device for drying tea leaves according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a box body 1, a box door 2, a net cage 3, a cross rod 4, a blower 5, a rotating shaft 6, a cam 7, a filter screen 8, a connecting rope 9, a ring buckle 10 and a residue collecting box 11.
Examples
Substantially as shown in figure 1: the device for drying tea leaves comprises a drying box, wherein the drying box comprises a box body 1, a heating wire and a box door 2, the heating wire is fixed on the inner wall of the upper half part of the drying box, a net box 3 is arranged in the drying box, as shown in figure 2, the net box 3 is a grid box which is open at the top and is in a cuboid shape, the peripheral side part and the bottom part of the net box 3 are respectively formed by sequentially hinging screen meshes, the bottom surface of the net box 3 is connected with the drying box, the bottom end of the net box 3 is provided with an air blower 5, four cross rods 4 are welded on the two opposite inner walls of the net box 3 in a crossed manner, the end part of each cross rod 4 positioned in the center of the net box 3 is fixed with a round ball, two sides of the net box 3 are respectively provided with a rotating shaft 6 which is rotatably connected in the drying box, the two rotating shafts 6 are controlled by a motor to rotate synchronously, the net cage 3 below is equipped with filter screen 8, and filter screen 8 is the hemisphere, and fixedly connected with connects rope 9 on the stoving roof wall of net cage 3 top, and the both sides top of filter screen 8 is equipped with the through-hole, connects 9 lower extremes of rope and is fixed with the latch closure 10 that can detain in the through-hole, connects rope 9 and bypasses net cage 3 side and detains in the through-hole department of filter screen 8, and the filter screen 8 below is equipped with residue collecting box 11.
The specific implementation process is as follows: during operation, tea leaves are placed in the net cage 3, the top ends of the two sides of the filter screen 8 are buckled on the buckles 10 of the connecting rope 9, the motor is started, the heating wires are electrified, the temperature in the drying box is raised through the heating wires, and the tea leaves are dried. The motor drives the two cams 7 to rotate, the two cams 7 rotate to alternately press the two side surfaces of the net cage 3, and the net cage 3 deforms and swings left and right due to the fact that the surfaces of the net cage 3 are hinged. When the net cage 3 deforms, the cross rod 4 fixed on the inner wall of the net cage 3 moves along with the wall of the net cage 3, so that the tea in the net cage 3 is stirred, and the tea in the net cage 3 is heated uniformly.
The volume of the tea leaves after drying is reduced, and the tea leaves fall down from the meshes of the net cage 3 after the volume of the tea leaves is reduced and fall onto the filter screen 8 below the net cage 3. The top ends of the two sides of the filter screen 8 and the top wall of the drying box above the net cage 3 are connected with a connecting rope 9, and when the net cage 3 swings left and right under the action of the cam 7, the connecting rope 9 deforms due to the pressing of the net cage 3 and pulls one end of the filter screen 8 upwards. When the net cage 3 swings leftwards, the left end of the filter screen 8 is pulled upwards; when box with a net 3 was swung to the right, the right-hand member of filter screen 8 was by the pull-up, because filter screen 8 is the hemisphere, 8 both ends intervals of filter screen were by the pull-up to make filter screen 8 produce about from top to bottom the sieve move, thereby fall into residue collecting box 11 in the follow-up sifting out residue, dust, tea stalk etc. that contain in the tealeaves in the filter screen 8. After drying, the filter screen 8 is taken down from the ring buckle 10 and the finished tea leaves in the filter screen 8 are collected.
And starting the air blower 5 after the drying is started, and controlling the power and the air speed of the air blower 5 to be the lowest, so that the tea leaves are prevented from being blown out of the net cage on one hand, and the tea leaves at the bottom are blown to the upper part of the net cage or the cross rod on the other hand. The air blown out by the air blower 5 blows away the water vapor generated in the tea drying process, so that the quality change of the tea in the high-temperature and high-humidity air is avoided, and the drying speed is accelerated.
In addition, the net cage 3 and the drying box can be detachably connected, after the net cage 3 is used for a period of time, partial residues can possibly block meshes of the net cage 3, the net cage 3 can be taken out to clean the net cage 3, and the drying effect and the screening effect are guaranteed.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. A device for being directed at tealeaves is dried, including the stoving case, the stoving case includes box, heater strip and chamber door, its characterized in that: the drying box is internally provided with a net box which is a cuboid grid box with an opening at the top, the peripheral side part and the bottom of the net box are formed by sequentially hinging screen meshes, the bottom surface of the net box is connected with the drying box, a plurality of cross rods are fixedly connected on the two opposite inner walls of the net box in a crossed manner, two rotating shafts which are rotationally connected in the drying box are arranged on the two sides of the net box, the two rotating shafts are controlled by a motor to rotate synchronously, the two rotating shafts are fixedly connected with cams, the protruding parts of the two cams face to the same side, the side wall of the net box is positioned in the motion track of the two cams, a filter screen is arranged below the net box and is hemispherical, connecting ropes can be detachably connected at the top ends of the two sides of the filter screen, the side edges of the net box are wound by the connecting ropes and are, the end part of the cross bar positioned in the center of the net cage is fixed with a ball.
2. The apparatus for drying tea leaves according to claim 1, wherein: the heating wire is fixed on the inner wall of the upper part of the drying box.
3. An apparatus for drying tea leaves according to claim 2, wherein: and an air blower is arranged at the bottom end of the net cage.
4. An apparatus for drying tea leaves according to claim 3, wherein: the net cage is detachably connected with the drying box.
5. An apparatus for drying tea leaves according to claim 4, wherein: the filter screen both sides top is equipped with the through-hole, connect the rope lower extreme and be fixed with the latch closure that can detain in the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381775.6A CN108571872B (en) | 2018-04-25 | 2018-04-25 | Device for drying tea leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381775.6A CN108571872B (en) | 2018-04-25 | 2018-04-25 | Device for drying tea leaves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571872A CN108571872A (en) | 2018-09-25 |
| CN108571872B true CN108571872B (en) | 2020-12-22 |
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ID=63575320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810381775.6A Active CN108571872B (en) | 2018-04-25 | 2018-04-25 | Device for drying tea leaves |
Country Status (1)
| Country | Link |
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| CN (1) | CN108571872B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202635484U (en) * | 2012-04-25 | 2013-01-02 | 安徽东方茶业有限公司 | Tea swing drying device |
| CN104492696A (en) * | 2014-12-15 | 2015-04-08 | 重庆强达力科技发展有限公司 | Vibrating screen provided with cam segment |
| CN105371608A (en) * | 2015-11-28 | 2016-03-02 | 重庆市缕游合利食品厂 | Box-type dryer capable of screening materials |
| CN107593959A (en) * | 2017-11-09 | 2018-01-19 | 湄潭县渝乾茶叶有限公司 | A kind of tea twisting machine |
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2018
- 2018-04-25 CN CN201810381775.6A patent/CN108571872B/en active Active
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| CN108571872A (en) | 2018-09-25 |
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| PB01 | Publication | ||
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Address after: Yongan Fenggang County town of Guizhou city of Zunyi province Tian BA 564204 Applicant after: Guizhou Fenggang Fuzhen Tea Co.,Ltd. Address before: Yongan Fenggang County town of Guizhou city of Zunyi province Tian BA 564204 Applicant before: FENGGANG FUZHEN TEA INDUSTRY Co.,Ltd. |
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