CN112197527A - Air-floating tea leaf drying method - Google Patents
Air-floating tea leaf drying method Download PDFInfo
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- CN112197527A CN112197527A CN202011096360.8A CN202011096360A CN112197527A CN 112197527 A CN112197527 A CN 112197527A CN 202011096360 A CN202011096360 A CN 202011096360A CN 112197527 A CN112197527 A CN 112197527A
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- air
- floating
- floating plate
- tea
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- 238000007667 floating Methods 0.000 title claims abstract description 95
- 238000001035 drying Methods 0.000 title claims abstract description 82
- 241001122767 Theaceae Species 0.000 title claims abstract description 81
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000003756 stirring Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 238000012216 screening Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
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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
- 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
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
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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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses an air-floating tea leaf drying method, relating to the technical field of tea leaf processing devices and comprising a drying box, a feed inlet and a discharge outlet are respectively arranged at two ends of the drying box, the bottom of the feed inlet is communicated with a slide way, the bottom of the drying box is fixedly connected with a lower floating plate, the top of the drying box is fixedly connected with an upper floating plate, one end of the slideway, which is far away from the feed port, extends to a position between the lower floating plate and the upper floating plate, the lower floating plate is provided with a plurality of air floating holes in a penetrating way, the bottoms of the air floating holes are communicated with air distributing pipes, the hot air is input into the drying box by the hot air supply fan through the air distributing pipes and the air floating holes in the lower floating plate, the hot air enables the elastic pocket nets to swell, the plurality of elastic pocket nets form a net surface, and at the moment, tea leaves are dried by the hot air on the net surface, so that the problem that the tea leaf drying effect is uneven due to the fact that the tea leaves are stacked can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of tea processing devices, in particular to an air-floating tea drying method.
Background
During the processing of the tea, the tea needs to be dried to reduce the moisture content of the tea, so that the quality and quality guarantee effect of the tea are improved. Traditional tealeaves drying device generally adopts the mode of stoving dish and air heater, and the air heater is dried to the tealeaves output hot-blast in the stoving dish, but because tealeaves piles up on the stoving dish, its inside tealeaves stoving effect is relatively poor, leads to tealeaves stoving effect inhomogeneous easily, influences the quality of tealeaves, and drying efficiency hangs down. And generally, a screening device is additionally arranged to remove tea residue and tea dust in tea leaves after drying, so that the quality of the tea leaves is improved.
Disclosure of Invention
The invention provides an air-floating tea drying method, and aims to solve the problem that the quality of tea is affected due to the fact that the tea drying effect is not uniform easily caused by a hot air fan outputting hot air to tea in a drying disc for drying in the traditional technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air-floating tea leaf drying method comprises the following specific steps:
s1, starting the air supply fan and the circulating fan, and waiting for the air supply fan and the circulating fan to work stably;
s2, placing the tea leaves into a feed inlet on the drying box, and enabling the tea leaves to enter between the lower floating plate and the upper floating plate along the slide way;
s3, outputting hot air flow by the hot air supply fan through the air distribution pipe and the air floatation holes on the lower floating plate, and expanding the elastic pocket net;
s4, drying and air-separating the tea leaves on the elastic pocket net by hot air flow, and pumping the tea leaves and tea foam away by a circulating fan along with the air flow;
s5, starting a controller on the disturbance mechanism, controlling the electromagnets to be periodically electrified in a clearance mode, disturbing air flow passing through the air floatation holes through the disturbance plate, stir-frying and drying tea leaves and finishing discharging;
the air-floating tea leaf drying method also relates to a drying device, the drying device comprises a drying box, a feed inlet and a discharge outlet are respectively arranged at two ends of the drying box, the bottom of the feed inlet is communicated with a slide way, the bottom of the drying box is fixedly connected with a lower floating plate, the top of the drying box is fixedly connected with an upper floating plate, one end of the slide way, far away from the feed inlet, extends to a position between the lower floating plate and the upper floating plate, the lower floating plate is provided with a plurality of air floating holes in a penetrating way, the bottoms of the air floating holes are communicated with a branch air pipe, the bottom of the drying box is provided with a heat supply fan, one end of the branch air pipe, far away from the lower floating plate, is communicated with the output of the heat supply fan, the upper surface of the lower floating plate is fixedly connected with a plurality of elastic pocket nets, the plurality of elastic pocket nets correspond to the plurality of air floating holes one by one, the top of the drying box is provided with a circulating fan, the top ends of the air collecting holes are communicated with the input end of the circulating fan, and the output end of the circulating fan is communicated with the input end of the heat supply fan through a filtering device;
the drying box is internally provided with a disturbance mechanism, the disturbance mechanism comprises an electromagnet and a plurality of disturbance plates, the electromagnet is fixedly connected to one side, close to the feed inlet, of the drying box, the disturbance plates are connected in a plurality of air floatation holes in a rotating mode, and the disturbance plates are magnetic and consistent in magnetic pole direction.
Preferably, the plurality of air flotation holes are distributed on the lower floating plate in a rectangular array, and a gas distribution net is fixedly connected in one end far away from the air distribution pipe, and the gas distribution net is a hard net.
Preferably, a plurality of the elastic tuck nets adopt soft nets, and edges are overlapped with each other.
Preferably, the filter device is an existing filter device of a filter screen type.
Preferably, a controller is arranged in the disturbance mechanism, and the controller controls the electromagnet to conduct periodic gap energization.
Compared with the prior art, the invention has the following beneficial effects:
1. when the tea leaf drying device dries tea leaves, the hot air is input into the drying box by the hot air supply fan through the air distribution pipe and the air floating holes on the lower floating plate, the hot air expands the elastic pocket nets, the plurality of elastic pocket nets form a net surface, and the tea leaves are dried by the hot air on the net surface, so that the problem of uneven tea leaf drying effect caused by tea leaf accumulation can be effectively avoided.
2. According to the tea drying device, the upper floating plate and the circulating fan are used for forming a suction effect on air in the drying box, the lower floating plate and the heat supply fan are matched for forming an air floating effect on tea on the elastic pocket net together, the tea is in soft contact with the elastic pocket net, the damage to the tea in the movement process of the elastic pocket net is small, and the air floating type drying mode is high in the overall drying uniformity of the tea and good in drying effect.
3. In the air-floating type tea leaf drying process, tea leaves and tea foam with smaller particles are pumped away by the circulating fan along with air flow and are collected and removed in the filtering device, so that the effect of screening the tea leaves is achieved, and the arrangement of a subsequent screening device is reduced; meanwhile, the circulating fan leads the air flow carrying the waste heat into the input end of the air supply fan again, and the reduction of heat loss is facilitated.
4. In the invention, in the air-floating drying process of tea leaves, a controller in a disturbance mechanism periodically and intermittently energizes electromagnets, the electromagnets are energized to form a magnetic field and form magnetic repulsion to adjacent disturbance plates to enable the adjacent disturbance plates to rotate, and the disturbance plates then form magnetic repulsion to the next disturbance plate, so that hot air flow output by air-floating holes on the lower floating plate is blocked to form ordered fluctuation of integral air-floating;
along with the gradual increase of the electrifying proportion in the period, the retention time of the magnetic field formed by the electromagnet is prolonged, and controllable drive can be formed on the disturbance plates farther away from the electromagnet, so that the electrifying duration in the period can be controlled to control the corresponding number of disturbance plates to move; not only can leave part of the disturbance plates close to the discharge port to be kept still, and randomly disturb the other disturbance plates to form repeated air-floating type drying, but also can orderly drive all the disturbance plates to achieve the purpose of discharging.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the structure of the lower floating plate and the airflow in an undisturbed state according to the present invention;
FIG. 4 is a schematic view of the turbulent air flow of the present invention.
In the figure: the device comprises a drying box 1, a feeding hole 11, a discharging hole 12, a slideway 13, a lower floating plate 2, an air floating hole 21, an air distribution net 211, an air distribution pipe 22, an elastic pocket net 23, an upper floating plate 3, an air collecting hole 31, an air supply fan 4, a circulating fan 5, a disturbance mechanism 6, an electromagnet 61 and a disturbance plate 62.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an air-floating tea leaf drying method specifically comprises the following steps:
s1, starting the air supply fan 4 and the circulating fan 5, and waiting for the two to work stably;
s2, putting tea leaves into a feed inlet 11 on the drying box 1, and enabling the tea leaves to enter between the lower floating plate 2 and the upper floating plate 3 along a slide way 13;
s3, the hot air is output by the hot air supply fan 4 through the air distribution pipe 22 and the air floating holes 21 on the lower floating plate 2, and the elastic pocket net 23 is expanded;
s4, drying and air separating the tea leaves on the elastic pocket net 23 by hot air flow, and pumping the tea leaves and tea foam away by the circulating fan 5 along with the air flow;
s5, starting a controller on the disturbance mechanism 6, controlling the electromagnet 61 to be periodically electrified in a clearance mode, disturbing air flow passing through the air floatation holes 21 through the disturbance plate 62, stir-frying the dried tea leaves and finishing discharging;
the air-floating tea drying method further relates to a drying device, the drying device comprises a drying box 1, a feeding port 11 and a discharging port 12 are formed in two ends of the drying box 1 respectively, a slide 13 is communicated with the bottom of the feeding port 11, a lower floating plate 2 and an upper floating plate 3 are fixedly connected to the bottom of the drying box 1, one end, far away from the feeding port 11, of the slide 13 extends to a position between the lower floating plate 2 and the upper floating plate 3, and tea leaves enter the position between the upper floating plate and the lower floating plate along the slide 13.
The plurality of air floatation holes 21 are distributed on the lower floating plate 2 in a rectangular array, one end of the air distribution pipe 22 far away from the air distribution net 211 is fixedly connected in the inner part, and the air distribution net 221 adopts a hard net to separate hot air flow in the air floatation holes 21, so that the air floatation range is enlarged, and the air floatation impact force is reduced.
A plurality of elasticity pocket nets 23 of 2 upper surface fixedly connected with of lower kickboards, a plurality of air supporting holes 21 of a plurality of elasticity pocket nets 23 one-to-one, a plurality of elasticity pocket nets 23 adopt soft net, and the edge overlaps each other, and the air supporting bed blows and bloates elasticity pocket net 23 and forms soft superficial bed, does benefit to the empty effect that stagnates of tealeaves, improves the air supporting stoving effect.
Go up kickboard 3 and run through and seted up a plurality of receipts gas pockets 31, a plurality of receipts gas pockets 31 are arranged with a plurality of air supporting hole 21 intervals on vertical projection, and circulating fan 5 is installed at drying box 1 top, and a plurality of receipts gas pockets 31 top all communicate on circulating fan 5 input, improve the stability of air supporting bed.
The output end of the circulating fan 5 is communicated with the input end of the heat supply fan 4 through a filtering device, the filtering device adopts a filtering net type existing filtering device, and waste heat recovery is formed while tea residue and tea foam are filtered.
The stirring mechanism 6 is arranged in the drying box 1, the stirring mechanism 6 comprises an electromagnet 61 and a plurality of stirring plates 62, the electromagnet 61 is fixedly connected to one side, close to the feed inlet 11, of the drying box 1, the stirring plates 62 are rotatably connected to the air flotation holes 21, the stirring plates 62 are magnetic and have consistent magnetic pole directions, a controller is arranged in the stirring mechanism 6 and controls the electromagnet 61 to be periodically energized in a clearance mode, the electromagnet 61 is energized to form a magnetic field, magnetic repulsion is formed on the adjacent stirring plates 62 to enable the adjacent stirring plates 62 to rotate, and then the next stirring plate 62 is rotated.
The principles of the present invention are now described as follows:
when tea leaves are dried, the air supply fan 4 and the circulating fan 5 are started and after the operation of the air supply fan 4 and the circulating fan is stable, the tea leaves are put into the drying box 1 from the inlet 11, the tea leaves enter between the lower floating plate 2 and the upper floating plate 3 through the slide ways 13, the air supply fan 4 outputs hot air to the air floating holes 21 on the lower floating plate 2 through the air distribution pipes 22 communicated with the output end of the air supply fan, the hot air passes through the air floating holes 21 and expands the elastic pocket nets 23 fixedly connected to the lower floating plate 2, the elastic pocket nets 23 form a net surface, and the tea leaves are dried by the hot air when being positioned on the net surface, so that the problem of uneven tea leaf drying effect caused by tea leaf accumulation can be effectively avoided;
meanwhile, the circulating fan 5 forms a suction effect on air in the drying box 1 through the air collecting holes 31 on the upper floating plate 3, and forms an air floating effect on the tea leaves on the elastic pocket net 23 together with the lower floating plate 2 and the heat supply fan 4, the tea leaves are in soft contact with the elastic pocket net 23, the damage to the tea leaves in the movement process of the elastic pocket net 23 is extremely small, and the air floating type drying mode has a high drying effect on the overall drying uniformity of the tea leaves;
in the air-floating type drying process of the tea leaves, tea residues and tea foam with smaller particles are pumped away by the circulating fan 5 along with air flow and are collected and removed in the filtering device, so that the effect of screening the tea leaves is achieved, and the arrangement of a subsequent screening device is reduced; meanwhile, the circulating fan 5 leads the air flow carrying the waste heat into the input end of the air supply fan 4 again, which is beneficial to reducing the loss of heat;
meanwhile, a controller in the disturbing mechanism 6 periodically and intermittently energizes the electromagnet 61 in the drying box 1, the electromagnet 61 is energized to form a magnetic field, magnetic repulsion is formed on the disturbing plate 62 which is rotationally connected with the adjacent air floatation holes 21 to enable the disturbing plate to rotate, and the disturbing plate 62 then forms magnetic repulsion on the next disturbing plate 62, so that hot air flow output by the air floatation holes 21 on the lower floating plate 2 is blocked to form ordered fluctuation of integral air floatation;
as the electrification proportion in the period is gradually increased, the retention time of the magnetic field formed by the electromagnet 61 is prolonged, and controllable driving can be performed on the disturbance plates 62 which are farther away from the electromagnet 61, so that the electrification duration in the period can be controlled to control a corresponding number of disturbance plates 62 to move; not only can the part of the disturbance plates 62 close to the discharge port 12 be left to be kept still, and the rest disturbance plates 62 are disturbed randomly to form repeated air-floating drying, but also all the disturbance plates 62 can be driven orderly to achieve the purpose of discharging.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. An air-floating tea leaf drying method is characterized by comprising the following specific steps:
s1, starting the air supply heater (4) and the circulating fan (5) until the air supply heater and the circulating fan work stably;
s2, putting tea leaves into a feeding hole (11) on the drying box (1), and enabling the tea leaves to enter between the lower floating plate (2) and the upper floating plate (3) along a slide way (13);
s3, outputting hot air flow by the air supply heater (4) through the air distribution pipe (22) and the air floating holes (21) on the lower floating plate (2) to expand the elastic pocket net (23);
s4, drying and air separating the tea leaves on the elastic pocket net (23) by hot air flow, and pumping the tea leaves and tea foam away by a circulating fan (5) along with the air flow;
s5, starting a controller on the disturbance mechanism (6), controlling the electromagnet (61) to be periodically electrified in a clearance mode, disturbing air flow passing through the air floatation holes (21) through the disturbance plate (62), stir-frying the dried tea leaves and finishing discharging;
the air-floating tea drying method further relates to a drying device, the drying device comprises a drying box (1), a feed inlet (11) and a discharge outlet (12) are respectively formed in two ends of the drying box (1), a slide way (13) is communicated with the bottom of the feed inlet (11), a lower floating plate (2) is fixedly connected to the bottom of the drying box (1), an upper floating plate (3) is fixedly connected to the top of the drying box (1), one end, far away from the feed inlet (11), of the slide way (13 extends to a position between the lower floating plate (2) and the upper floating plate (3), a plurality of air floating holes (21) are formed in the lower floating plate (2) in a penetrating mode, a plurality of air distributing pipes (22) are communicated with the bottoms of the air floating holes (21), an air supply machine (4) is installed at the bottom of the drying box (1), one end, far away from the lower floating plate (2), of the air distributing pipes (22), is communicated with the output of the air supply machine (4), a plurality, the drying box is characterized in that the elastic pocket nets (23) correspond to the air floating holes (21) one by one, the upper floating plate (3) is provided with a plurality of air receiving holes (31) in a penetrating mode, the air receiving holes (31) are distributed at intervals with the air floating holes (21) in vertical projection, the top of the drying box (1) is provided with a circulating fan (5), the top ends of the air receiving holes (31) are communicated with the input end of the circulating fan (5), and the output end of the circulating fan (5) is communicated with the input end of the air supply fan (4) through a filtering device;
be provided with disturbance mechanism (6) in stoving case (1), disturbance mechanism (6) include electro-magnet (61) and a plurality of disturbance board (62), electro-magnet (61) fixed connection is close to feed inlet (11) one side in stoving case (1), and is a plurality of disturbance board (62) rotate to be connected in a plurality of air supporting holes (21), and are a plurality of disturbance board (62) have magnetism and magnetic pole direction unanimity.
2. An air-floating tea drying method according to claim 1, characterized in that a plurality of air-floating holes (21) are distributed on the lower floating plate (2) in a rectangular array, and an air-distributing net (211) is fixedly connected in one end far away from the air-distributing pipe (22), and the air-distributing net (221) is a hard net.
3. The air-floating tea drying method of claim 1, wherein a plurality of the elastic pocket nets (23) are soft nets and their edges are overlapped with each other.
4. The air-floating tea drying method of claim 1, wherein the filter device is an existing filter device of a filter screen type.
5. An air-floating tea drying method according to claim 1, characterized in that a controller is arranged in the disturbing mechanism (6), and the controller controls the electromagnet (61) to periodically electrify the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096360.8A CN112197527B (en) | 2020-10-14 | 2020-10-14 | Air-floating tea leaf drying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096360.8A CN112197527B (en) | 2020-10-14 | 2020-10-14 | Air-floating tea leaf drying method |
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| CN112197527A true CN112197527A (en) | 2021-01-08 |
| CN112197527B CN112197527B (en) | 2022-02-18 |
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| CN107279334A (en) * | 2017-07-25 | 2017-10-24 | 望谟县麻岭生态科技发展有限责任公司 | A kind of small cyanine wind rattan tea drier |
| CN108432894A (en) * | 2018-03-22 | 2018-08-24 | 南安市丰州鑫荣农机设计中心 | The uniform dryer of tealeaves |
| CN208832878U (en) * | 2018-08-21 | 2019-05-07 | 开化宝纳制茶有限公司 | A kind of Tea Production drying device |
| CN209744061U (en) * | 2019-04-17 | 2019-12-06 | 武汉润同和新能源科技发展有限公司 | gasifier connecting pipe |
| CN211400745U (en) * | 2019-09-06 | 2020-09-01 | 曾两泉 | Glossy ganoderma tea apparatus for producing |
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| CN112197527B (en) | 2022-02-18 |
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Effective date of registration: 20220127 Address after: 427100 zone B, industrial park, Sangzhi County, Zhangjiajie City, Hunan Province (Chixi village, lifuta town) Applicant after: Sangzhi lishuiyun Tea Co.,Ltd. Address before: 311115 building 6, 2 Bagang, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Gao Guili |
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