CN115574572B - Tea leaf turning and drying process - Google Patents
Tea leaf turning and drying process Download PDFInfo
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- CN115574572B CN115574572B CN202211217330.7A CN202211217330A CN115574572B CN 115574572 B CN115574572 B CN 115574572B CN 202211217330 A CN202211217330 A CN 202211217330A CN 115574572 B CN115574572 B CN 115574572B
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- 238000001035 drying Methods 0.000 title claims abstract description 52
- 241001122767 Theaceae Species 0.000 claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000007480 spreading Effects 0.000 claims abstract description 7
- 238000003892 spreading Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 102000004190 Enzymes Human genes 0.000 claims abstract description 4
- 108090000790 Enzymes Proteins 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 230000009849 deactivation Effects 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 239000002932 luster Substances 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 16
- 238000004321 preservation Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 10
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F26B11/22—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in stationary dishes, trays, pans, or other mainly-open receptacles, with moving stirring devices
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/28—Selection of materials for use as drying agents
-
- 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
-
- 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
- F26B25/005—Treatment of dryer exhaust gases
-
- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- 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
- F26B25/04—Agitating, stirring, or scraping devices
-
- 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
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
-
- 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)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
- Tea And Coffee (AREA)
Abstract
The invention relates to the technical field of tea manufacturing, in particular to a tea turning and drying process, which comprises the following steps: s1: picking fresh tea leaves, removing impurities, cleaning, and withering under ventilation and light transmission; s2: putting tea leaves into a pot, stir-frying until the leaves lose luster and the leaves become soft; s3: spreading and airing the tea leaves after deactivation of enzymes, then rolling, and cooling until the tea leaves are completely cooled; s4: putting the cooled tea leaves into a turning drying device for drying, and obtaining finished tea products after the drying is finished; the turning drying device in the S4 comprises a frame; through placing tealeaves in the outer ring body, drive the go-between through actuating mechanism and rotate, a plurality of scoops on the go-between rotate and shovel the tealeaves at annular closing plate top, the tealeaves of group is thrown, and the tealeaves of leaning on central point position in the tea group can expose in the external world and contact with round platform surface, through abundant stir-fry, can make all tealeaves evenly dried and fully dried.
Description
Technical Field
The invention relates to the technical field of tea manufacturing, in particular to a tea turning and drying process.
Background
The utility model provides a novel tealeaves turns drying device that current application number is CN201811558283.6 specifically discloses "through setting up on the riser, hold the frame, the mounting panel, the column spinner, the rotor plate, the second riser, direct current gear motor, direct current dry cell, electric current adjustment unit and contact turn the mode of unit, and whole stirring drying effect is good, rotatory wide advantage of operation application scope that turns, current tealeaves turns drying device is through placing tealeaves in the container, container bottom or other positions are provided with the heating plate, heat container bottom or other positions through the heating plate, rethread turns the mechanism and drives tealeaves and remove in the container, make the different faces of tealeaves and container emergence contact through turning tealeaves, thereby not only accelerate the drying of tealeaves also can make tealeaves more even, but because current structure turns tealeaves that is in the state that gathers the group in the process, the tealeaves that leads to leaning on central point in the group in can't expose in the external world and with the container surface contact, and cause the inhomogeneous problem of stoving for this we propose a drying process.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the tea leaves are turned over by arranging a shovel or the like in the turning structure of a tea leaf turning drying device, and the tea leaves near the center position in the tea clusters cannot be exposed to the outside and are contacted with the surface of a container due to the aggregation state of the tea leaves in the turning process, so that the problem of uneven drying of the tea leaves is caused.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A tea leaf turning and drying process is designed, which comprises the following steps:
s1: picking fresh tea leaves, removing impurities, cleaning, withering under ventilation and light transmission, moving into a room, and spreading the tea leaves until the tea leaves have a faint scent;
S2: putting tea leaves into a pot, stir-frying until the leaves lose luster and the leaves become soft;
s3: spreading and airing the tea leaves after deactivation of enzymes, then rolling, and cooling until the tea leaves are completely cooled;
S4: putting the cooled tea leaves into a turning drying device for drying, and obtaining finished tea products after the drying is finished;
the turning drying device in S4 comprises a frame, an outer ring body is fixedly installed in the frame, a round table is arranged in the outer ring body, the inside of the round table is hollow, a heating plate is fixedly installed on the inner side of the round table, the heating plate is attached to the inner side of the round table, a supporting piece is fixedly installed on the frame, and the upper end of the supporting piece is fixedly connected to the heating plate.
Preferably, the device further comprises an annular sealing plate, the annular sealing plate is located between the outer ring body and the round platform, the annular sealing plate can seal a gap between the outer ring body and the round platform, the annular sealing plate and the round platform are made of iron materials, a plurality of scoops distributed in a circumferential array are arranged at the upper end of the annular sealing plate, the scoops are located between the outer ring body and the round platform, a connecting ring is arranged between the outer ring body and the round platform, the connecting ring is fixedly connected with the plurality of scoops, the connecting ring is sleeved outside the round platform, the device further comprises a driving mechanism, the driving mechanism is mounted on the outer ring body and connected with the connecting ring, a plurality of oil cylinders distributed in a circumferential array are fixedly mounted on the frame, and the output ends of the oil cylinders are fixedly connected to the annular sealing plate.
Preferably, the driving mechanism comprises a first rotating shaft, the first rotating shaft is rotatably arranged at the top of the round table, a plurality of connecting rods which are distributed in a circumferential array are fixedly arranged on the first rotating shaft, the lower ends of the connecting rods are fixedly connected to the connecting rings, annular supporting plates are sleeved and fixedly arranged on the outer sides of the outer rings, second rotating shafts are rotatably arranged on the annular supporting plates, a belt mechanism is arranged between the second rotating shaft and the first rotating shaft, a motor is fixedly arranged on the annular supporting plates through belt mechanism transmission, and an output shaft of the motor is fixedly connected with the second rotating shaft.
Preferably, the annular groove is formed in the top of the outer ring body, an annular heating plate is fixedly installed in the annular groove, and the outer ring body is made of metal iron materials.
Preferably, the annular supporting plate is provided with a dehumidifying mechanism, and the dehumidifying mechanism extends to the upper end of the outer ring body.
Preferably, the dehumidifying mechanism comprises a carrier plate, the carrier plate sets up to annular, the carrier plate cover is established in outer upper end of outer ring body, carrier plate lower extreme rotatable mounting is in annular supporting plate, the inboard fixed mounting of carrier plate has the annular pipe, a plurality of horizontal pipes that are circumference array distribution of annular pipe inboard fixed mounting, horizontal pipe all extends to the upper end of outer ring body, a plurality of equidistance distribution's inlet port has all been seted up to horizontal pipe bottom, fixed mounting has the air pump in the annular supporting plate, the intake pipe intercommunication and the fixed mounting of air pump have the hose, hose upper end intercommunication and fixed mounting are on the annular pipe, outer ring body fixed mounting has the support frame, fixed mounting has the box body on the support frame, the box body is filled with the water absorbing medium in, the exhaust end intercommunication and the fixed mounting of air pump have the blast pipe, the blast pipe lower extreme inserts in the box body, the ring gear is established and fixed mounting in the cover of carrier plate outside, fixed mounting has the gear in the second pivot, gear and ring gear meshing.
Preferably, the water absorbing medium is lithium chloride dehumidifier.
Preferably, the outer ring body is sleeved with and fixedly provided with a surrounding pipe, the inner side of the surrounding pipe is communicated with and fixedly provided with a plurality of communicating pipes distributed in a circumferential array, the communicating pipes penetrate through the outer ring body and extend to the inner lower end of the outer ring body, the inner parts of one ends of the communicating pipes are fixedly provided with filter cores, the outer side of the surrounding pipe is communicated with and fixedly provided with a connecting pipe, and one ends of the connecting pipe are connected with an external suction pump.
Preferably, the heating device further comprises a container, wherein the container is sleeved outside the supporting piece and fixedly connected to the top of the frame, a certain amount of water is filled in the container, the container is made of metal iron materials, a first heat conducting piece is fixedly arranged at the upper end of the container, one end of the first heat conducting piece extends into the container, and the other end of the first heat conducting piece is in contact with the inner wall of the heating plate.
Preferably, the novel heat preservation device further comprises a heat preservation mechanism, the heat preservation mechanism is installed outside the container, one end of the heat preservation mechanism is in contact with the bottom of the circular truncated cone, the heat preservation mechanism comprises a second heat conduction piece, the first heat conduction piece and the second heat conduction piece are iron metal pieces, the second heat conduction piece is sleeved outside the container and fixedly installed outside the container, and the upper end of the second heat conduction piece is in contact with the bottom of the circular truncated cone.
The tea leaf stirring and drying process provided by the invention has the beneficial effects that: the tea leaves are placed in the outer ring body, the tea leaves are piled up at a plurality of positions on the top of the annular sealing plate, the round table is heated through the heating piece, so that the round table is in a high-temperature state, steam emitted by the tea leaves can be rapidly discharged from the outer ring body due to the fact that the round table is heated and maintained at a high temperature, the driving mechanism drives the connecting ring to rotate, the plurality of scoops on the connecting ring rotate and scoop the tea leaves on the top of the annular sealing plate, the tea leaves are scooped up and then are thrown up, the tea leaves fall on the round table and slide onto the annular sealing plate along the round table due to the action of gravity, in the movement process of the tea leaves, the tea leaves close to the center position in the tea leaves are exposed to the outside and are in contact with the surface of the round table, all the tea leaves can be dried evenly and dried fully through full stir-frying, and the drying efficiency is improved compared with the prior art;
by arranging the annular heating plate, the annular heating plate works and heats the outer ring body, so that the upper end of the outer ring body is in a high-temperature state, and rising steam is contacted with the outer ring body and cannot be liquefied;
The air pump works and enables a plurality of air inlets to generate continuous negative pressure air flow, thereby the rising steam at the upper port of the outer ring body is quickly absorbed, the steam enters the hose through the transverse pipe, and is led into the water absorbing medium through the exhaust pipe to be absorbed by the lithium chloride dehumidifier, meanwhile, the gear on the second rotating shaft rotates and drives the gear ring to rotate, the gear ring, the carrier plate, the annular pipe and the plurality of transverse pipes synchronously rotate, and the plurality of transverse pipes rotate and can move to different positions of the upper port of the outer ring body, so that the rising steam at the upper port of the outer ring body is fully absorbed, and the phenomenon that water drops are attached to the structural surface near the upper end of the device is eliminated.
Drawings
Fig. 1 is a schematic structural diagram of a turning drying device for a tea leaf turning drying process.
Fig. 2 is a front view of a tea leaf turning and drying process turning and drying device according to the present invention.
Fig. 3 is a cross-sectional view of a tumbling dryer for a tea leaf tumbling drying process according to the present invention.
Fig. 4 is an enlarged schematic view of a part of the structure of a round table of a turning drying device in the tea leaf turning drying process.
Fig. 5 is an enlarged schematic diagram of a round table and a plurality of scoops of a tumbling dryer of a tea leaf tumbling drying process according to the present invention.
Fig. 6 is an enlarged cross-sectional view of a round table and a container of a flip drying device for a tea flip drying process according to the present invention.
Fig. 7 is an enlarged schematic view of a part of the structure of a carrier plate of a flip drying device in a tea flip drying process according to the present invention.
Fig. 8 is an enlarged schematic view of a part of the structure of the box body of the flip drying device in the tea flip drying process.
In the figure: the device comprises a frame 1, an outer ring body 2, a round table 3, a heating plate 4, a supporting piece 5, an annular sealing plate 6, a shovel 7, a connecting ring 8, an oil cylinder 9, a first rotating shaft 10, a connecting rod 11, an annular supporting plate 12, a second rotating shaft 13, a belt mechanism 14, an annular groove 15, an annular heating plate 16, a supporting plate 17, an annular pipe 18, a transverse pipe 19, an air inlet hole 20, an air pump 21, a hose 22, a supporting frame 23, a box 24, a water absorbing medium 25, an exhaust pipe 26, a surrounding pipe 27, a communicating pipe 28, a connecting pipe 29, a container 30, a first heat conducting piece 31, a second heat conducting piece 32, a gear ring 33 and a gear 34.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1:
Referring to fig. 1-8, a tea leaf tumbling drying process comprises the steps of:
s1: picking fresh tea leaves, removing impurities, cleaning, withering under ventilation and light transmission, moving into a room, and spreading the tea leaves until the tea leaves have a faint scent;
S2: putting tea leaves into a pot, stir-frying until the leaves lose luster and the leaves become soft;
s3: spreading and airing the tea leaves after deactivation of enzymes, then rolling, and cooling until the tea leaves are completely cooled;
S4: putting the cooled tea leaves into a turning drying device for drying, and obtaining finished tea products after the drying is finished;
The turning drying device in S4 comprises a frame 1, an outer ring body 2 is fixedly installed in the frame 1, a round table 3 is arranged in the outer ring body 2, the round table 3 is hollow, a heating plate 4 is fixedly installed on the inner side of the round table 3, the heating plate 4 is attached to the inner side of the round table 3, a supporting piece 5 is fixedly installed on the frame 1, and the upper end of the supporting piece 5 is fixedly connected to the heating plate 4. Still include annular closing plate 6, annular closing plate 6 is located between outer ring body 2 and round platform 3, and annular closing plate 6 can seal the clearance between outer ring body 2 and the round platform 3, annular closing plate 6 and round platform 3 are made by iron material, annular closing plate 6 upper end is equipped with a plurality of scoops 7 that are circumference array distribution, scoops 7 all are located between outer ring body 2 and round platform 3, be equipped with go-between 8 between outer ring body 2 and the round platform 3, go-between 8 links firmly with a plurality of scoops 7, go-between 8 cover is established outside round platform 3, still include actuating mechanism, actuating mechanism installs on outer ring body 2 and links to each other with go-between 8, fixed mounting has a plurality of hydro-cylinders 9 that are circumference array distribution on frame 1, the equal fixed connection of output of hydro-cylinder 9 is on annular closing plate 6.
Working principle: by placing tea leaves in the outer ring body 2 and accumulating the tea leaves at a plurality of positions at the top of the annular sealing plate 6, the round table 3 is heated by the heating plate 4, so that the round table 3 is in a high temperature state, steam emitted by the tea leaves is heated by the round table 3 and maintained at a higher temperature, so that the steam can be rapidly discharged from the inner ring body 2, the connecting ring 8 is driven to rotate by the driving mechanism, the plurality of scoops 7 on the connecting ring 8 rotate and scoop the tea leaves at the top of the annular sealing plate 6, the tea leaves are scooped up and then are thrown up again, the tea leaves fall on the round table 3 and slide onto the annular sealing plate 6 along the round table 3 due to the action of gravity, in the movement process of the tea leaves, the tea leaves close to the center in the tea clusters can be exposed to the outside and contact with the surface of the round table 3, and all the tea leaves can be uniformly dried and fully dried through full stir-frying, so that the drying efficiency is improved compared with the prior art.
After the tea leaves are dried, the plurality of oil cylinders 9 are started to drive the annular sealing plate 6 to move downwards, so that the annular sealing plate 6 does not seal a gap between the outer ring body 2 and the round table 3 any more, tea leaves between the outer ring body 2 and the round table 3 fall out, and tea leaves accumulated on the annular sealing plate 6 can be taken out.
Example 2:
Referring to fig. 1 to 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that since the outer ring body 2 is far away from the heating plate 4, especially in winter, the outer ring body 2 is in a normal temperature or low temperature state, the high temperature steam emitted from the tea leaves encounters the outer ring body 2 in the low temperature state to generate liquefaction phenomenon, thereby causing the liquefied water to flow back to the lower end of the outer ring body 2 and back into the tea leaves, so that the tea leaves are not completely dried. The driving mechanism comprises a first rotating shaft 10, the first rotating shaft 10 is rotatably arranged at the top of the round table 3, a plurality of connecting rods 11 which are distributed in a circumferential array are fixedly arranged on the first rotating shaft 10, the lower ends of the connecting rods 11 are fixedly connected to the connecting rings 8, an annular supporting plate 12 is sleeved and fixedly arranged on the outer side of the outer ring body 2, a second rotating shaft 13 is rotatably arranged on the annular supporting plate 12, a belt mechanism 14 is arranged between the second rotating shaft 13 and the first rotating shaft 10, the second rotating shaft 13 and the first rotating shaft 10 can be driven by the belt mechanism 14, a motor is fixedly arranged on the annular supporting plate 12, and an output shaft of the motor is fixedly connected with the second rotating shaft 13. An annular groove 15 is formed in the top of the outer ring body 2, an annular heating plate 16 is fixedly installed in the annular groove 15, and the outer ring body 2 is made of metal iron.
Through setting up actuating mechanism, the motor drives second pivot 13 and rotates, and second pivot 13 rotates and drives first pivot 10 through belt mechanism 14 and rotate, and first pivot 10, a plurality of connecting rods 11 and go-between 8 synchronous rotation to a plurality of scoops 7 on the go-between 8 rotate and scoop the tealeaves at ring seal plate 6 top. By arranging the annular heating plate 16, the annular heating plate 16 works and heats the outer ring body 2, so that the upper end of the outer ring body 2 is in a high-temperature state, and rising steam is contacted with the outer ring body 2 and cannot liquefy.
Steam rising from the upper port of the outer ring body 2 gathers at the upper end of the outer ring body 2 and cannot leave the device, so that water drops are attached to the structural surface near the upper end of the device, a dehumidifying mechanism is arranged on the annular supporting plate 12, and the dehumidifying mechanism extends to the upper end of the outer ring body 2. The dehumidifying mechanism comprises a carrier plate 17, the carrier plate 17 is arranged to be annular, the carrier plate 17 is sleeved at the outer upper end of an outer ring body 2, the lower end of the carrier plate 17 is rotatably mounted on an annular supporting plate 12, an annular pipe 18 is fixedly mounted at the inner side of the carrier plate 17, a plurality of transverse pipes 19 distributed in a circumferential array are fixedly mounted at the inner side of the annular pipe 18, the transverse pipes 19 extend to the upper end of the outer ring body 2, a plurality of air inlets 20 distributed at equal intervals are formed in the bottoms of the transverse pipes 19, an air pump 21 is fixedly mounted on the annular supporting plate 12, an air inlet pipe of the air pump 21 is communicated and fixedly mounted with a hose 22, the upper end of the hose 22 is communicated and fixedly mounted on the annular pipe 18, a supporting frame 23 is fixedly mounted outside the outer ring body 2, a box body 24 is fixedly mounted on the supporting frame 23, a water absorbing medium 25 is filled in the box body 24, an exhaust end of the air pump 21 is communicated and fixedly mounted with an exhaust pipe 26, the lower end of the exhaust pipe 26 is inserted into the box body 24, a gear ring 33 is sleeved and fixedly mounted at the outer side of the carrier plate 17, a gear 34 is fixedly mounted on the second rotating shaft 13, and the gear 34 is meshed with the gear 33.
The water absorbing medium 25 is a lithium chloride dehumidifier. Lithium chloride is an adsorption material, belongs to a hygroscopic salt with high moisture content, is easy to regenerate, and has high chemical stability. In addition, the lithium chloride adsorbent has strong bactericidal capacity.
The air pump 21 works and enables the positions of the plurality of air inlets 20 to generate continuous negative pressure air flow, so that rising steam at the upper port of the outer ring body 2 is quickly sucked away, the steam enters the hose 22 from the transverse pipe 19, is led into the water absorbing medium 25 from the exhaust pipe 26 and is absorbed by the lithium chloride dehumidifier, meanwhile, the gear 34 on the second rotating shaft 13 rotates and drives the gear ring 33 to rotate, the gear ring 33, the carrier plate 17, the annular pipe 18 and the plurality of transverse pipes 19 synchronously rotate, and the plurality of transverse pipes 19 rotate and can move to different positions at the upper port of the outer ring body 2, so that rising steam at the upper port of the outer ring body 2 is fully absorbed, and the phenomenon that water drops are attached to the structural surface near the upper end of the device is eliminated.
The outer ring body 2 is sleeved with and fixedly provided with a surrounding pipe 27, the inner sides of the surrounding pipes 27 are communicated and fixedly provided with a plurality of communicating pipes 28 distributed in a circumferential array, the communicating pipes 28 penetrate through the outer ring body 2 and extend to the inner lower end of the outer ring body 2, the inner parts of one ends of the communicating pipes 28 are fixedly provided with filter cores, the outer sides of the surrounding pipes 27 are communicated and fixedly provided with connecting pipes 29, and one ends of the connecting pipes 29 are connected with an external suction pump. Part of the steam generated in the tea leaves is absorbed by the external suction pump, and the steam enters the surrounding pipe 27 through the plurality of communicating pipes 28, enters the external suction pump through the connecting pipe 29, and finally is discharged to the outside and is far away from the device.
The heating device further comprises a container 30, wherein the container 30 is sleeved outside the supporting piece 5 and fixedly connected to the top of the frame 1, a certain amount of water is filled in the container 30, the container 30 is made of metal iron, a first heat conducting piece 31 is fixedly arranged at the upper end of the container 30, one end of the first heat conducting piece 31 extends into the container 30, and the other end of the first heat conducting piece 31 is in contact with the inner wall of the heating plate 4. The device also comprises a heat preservation mechanism, wherein the heat preservation mechanism is arranged outside the container 30, and one end of the heat preservation mechanism is contacted with the bottom of the round table 3. The heat preservation mechanism comprises a second heat conduction piece 32, the first heat conduction piece 31 and the second heat conduction piece 32 are iron metal pieces, the second heat conduction piece 32 is sleeved outside the container 30, the second heat conduction piece 32 is fixedly installed outside the container 30, and the upper end of the second heat conduction piece 32 is in contact with the bottom of the round table 3. The water in the container 30 is heated while the heating plate 4 works, and after the water temperature rises, the second heat conduction piece 32 conducts heat to the round table 3, so that the round table 3 can be kept at a higher temperature, and when new tea leaves are replaced and drying processing is carried out, the temperature of the round table 3 rises faster, and the heat energy of the device is effectively recovered and utilized.
Working principle: through setting up actuating mechanism, the motor drives second pivot 13 and rotates, and second pivot 13 rotates and drives first pivot 10 through belt mechanism 14 and rotate, and first pivot 10, a plurality of connecting rods 11 and go-between 8 synchronous rotation to a plurality of scoops 7 on the go-between 8 rotate and scoop the tealeaves at ring seal plate 6 top. By arranging the annular heating plate 16, the annular heating plate 16 works and heats the outer ring body 2, so that the upper end of the outer ring body 2 is in a high-temperature state, and rising steam is contacted with the outer ring body 2 and cannot liquefy.
The air pump 21 works and enables the positions of the plurality of air inlets 20 to generate continuous negative pressure air flow, so that rising steam at the upper port of the outer ring body 2 is quickly sucked away, the steam enters the hose 22 from the transverse pipe 19, is led into the water absorbing medium 25 from the exhaust pipe 26 and is absorbed by the lithium chloride dehumidifier, meanwhile, the gear 34 on the second rotating shaft 13 rotates and drives the gear ring 33 to rotate, the gear ring 33, the carrier plate 17, the annular pipe 18 and the plurality of transverse pipes 19 synchronously rotate, and the plurality of transverse pipes 19 rotate and can move to different positions at the upper port of the outer ring body 2, so that rising steam at the upper port of the outer ring body 2 is fully absorbed, and the phenomenon that water drops are attached to the structural surface near the upper end of the device is eliminated.
Absorbing part of steam generated in the tea leaves by an external suction pump, enabling the steam to enter the surrounding pipe 27 through a plurality of communicating pipes 28, then enter the external suction pump through a connecting pipe 29, and then be discharged to the outside and be far away from the device; the water in the container 30 is heated while the heating plate 4 works, and after the water temperature rises, the second heat conduction piece 32 conducts heat to the round table 3, so that the round table 3 can be kept at a higher temperature, and when new tea leaves are replaced and drying processing is carried out, the temperature of the round table 3 rises faster, and the heat energy of the device is effectively recovered and utilized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The tea leaf turning and drying process is characterized by comprising the following steps of:
s1: picking fresh tea leaves, removing impurities, cleaning, withering under ventilation and light transmission, moving into a room, and spreading the tea leaves until the tea leaves have a faint scent;
S2: putting tea leaves into a pot, stir-frying until the leaves lose luster and the leaves become soft;
s3: spreading and airing the tea leaves after deactivation of enzymes, then rolling, and cooling until the tea leaves are completely cooled;
S4: putting the cooled tea leaves into a turning drying device for drying, and obtaining finished tea products after the drying is finished;
The turning drying device in the S4 comprises a frame (1), wherein an outer ring body (2) is fixedly arranged in the frame (1), a round table (3) is arranged in the outer ring body (2), the inside of the round table (3) is hollow, a heating plate (4) is fixedly arranged on the inner side of the round table (3), the heating plate (4) is attached to the inner side of the round table (3), a supporting piece (5) is fixedly arranged on the frame (1), and the upper end of the supporting piece (5) is fixedly connected to the heating plate (4); the annular supporting plate (12) is provided with a dehumidifying mechanism which extends to the upper end of the outer ring body (2); the dehumidifying mechanism comprises a carrier plate (17), the carrier plate (17) is arranged into a ring shape, the carrier plate (17) is sleeved at the outer upper end of an outer ring body (2), the lower end of the carrier plate (17) is rotatably mounted on an annular supporting plate (12), an annular pipe (18) is fixedly mounted on the inner side of the carrier plate (17), a plurality of transverse pipes (19) distributed in a circumferential array are fixedly mounted on the inner side of the annular pipe (18), the transverse pipes (19) all extend to the upper end of the outer ring body (2), a plurality of air inlet holes (20) distributed at equal intervals are formed in the bottom of the transverse pipes (19), an air pump (21) is fixedly mounted on the annular supporting plate (12), an air inlet pipe of the air pump (21) is communicated with a hose (22) fixedly mounted on the upper end of the hose (22), a supporting frame (23) is fixedly mounted on the outer side of the annular pipe (18), a box body (24) is fixedly mounted on the inner side of the supporting frame (23), a water inlet pipe (20) is fixedly mounted on the bottom of the transverse pipe (19), an air inlet pipe (20) is fixedly mounted on the inner side of the air pump (21), an exhaust pipe (26) is fixedly mounted on the outer ring body (33), an exhaust pipe (34) is fixedly mounted on the inner side of the air inlet pipe (26), and fixedly mounted on the inner end of the air inlet pipe (26) and fixedly mounted on the outer ring body (33), the gear (34) is meshed with the gear ring (33); the water absorbing medium (25) is lithium chloride dehumidifier;
The outer ring body (2) is sleeved with a surrounding pipe (27) and fixedly installed, the inner sides of the surrounding pipe (27) are communicated and fixedly installed with a plurality of communicating pipes (28) distributed in a circumferential array, the communicating pipes (28) penetrate through the outer ring body (2) and extend to the inner lower end of the outer ring body (2), filter cores are fixedly installed inside one end of each communicating pipe (28), the outer sides of the surrounding pipe (27) are communicated and fixedly installed with a connecting pipe (29), and one end of each connecting pipe (29) is connected with an external suction pump;
The novel hydraulic sealing device is characterized by further comprising an annular sealing plate (6), wherein the annular sealing plate (6) is positioned between the outer ring body (2) and the round platform (3), the annular sealing plate (6) can seal a gap between the outer ring body (2) and the round platform (3), the annular sealing plate (6) and the round platform (3) are made of iron materials, a plurality of scoops (7) distributed in a circumferential array are arranged at the upper end of the annular sealing plate (6), the scoops (7) are positioned between the outer ring body (2) and the round platform (3), a connecting ring (8) is arranged between the outer ring body (2) and the round platform (3), the connecting ring (8) is fixedly connected with a plurality of scoops (7), the connecting ring (8) is sleeved outside the round platform (3), the novel hydraulic sealing device further comprises a driving mechanism, the plurality of oil cylinders (9) distributed in a circumferential array are fixedly arranged on the machine frame (1), and the output ends of the oil cylinders (9) are fixedly connected with the annular sealing plate (6);
The driving mechanism comprises a first rotating shaft (10), the first rotating shaft (10) is rotatably arranged at the top of the round table (3), a plurality of connecting rods (11) which are distributed in a circumferential array are fixedly arranged on the first rotating shaft (10), the lower ends of the connecting rods (11) are fixedly connected to a connecting ring (8), an annular supporting plate (12) is sleeved outside an outer ring body (2) and fixedly arranged on the outer ring body, a second rotating shaft (13) is rotatably arranged on the annular supporting plate (12), a belt mechanism (14) is arranged between the second rotating shaft (13) and the first rotating shaft (10), a belt mechanism (14) is used for transmission between the second rotating shaft (13) and the first rotating shaft (10), a motor is fixedly arranged on the annular supporting plate (12), and an output shaft of the motor is fixedly connected with the second rotating shaft (13).
2. The tea leaf turning and drying process according to claim 1, wherein an annular groove (15) is formed in the top of the outer ring body (2), an annular heating plate (16) is fixedly installed in the annular groove (15), and the outer ring body (2) is made of metal iron.
3. The tea leaf turning and drying process according to claim 2, further comprising a container (30), wherein the container (30) is sleeved outside the supporting member (5) and fixedly connected to the top of the frame (1), a certain amount of water is contained in the container (30), the container (30) is made of metal iron, a first heat conducting member (31) is fixedly arranged at the upper end of the container (30), one end of the first heat conducting member (31) extends into the container (30), and the other end of the first heat conducting member (31) is in contact with the inner wall of the heating plate (4).
4. A tea leaf turning and drying process according to claim 3, further comprising a heat preservation mechanism, wherein the heat preservation mechanism is arranged outside the container (30), one end of the heat preservation mechanism is in contact with the bottom of the round table (3), the heat preservation mechanism comprises a second heat conduction piece (32), the first heat conduction piece (31) and the second heat conduction piece (32) are iron metal pieces, the second heat conduction piece (32) is sleeved outside the container (30), the second heat conduction piece (32) is fixedly arranged outside the container (30), and the upper end of the second heat conduction piece (32) is in contact with the bottom of the round table (3).
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| CN202211217330.7A CN115574572B (en) | 2022-10-03 | 2022-10-03 | Tea leaf turning and drying process |
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| CN202211217330.7A CN115574572B (en) | 2022-10-03 | 2022-10-03 | Tea leaf turning and drying process |
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| CN116878237B (en) * | 2023-09-07 | 2023-11-10 | 宁德市瑞元农业科技有限公司 | Drying equipment is used in processing of white tea tealeaves |
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