CN205667308U - A kind of tea drier - Google Patents
A kind of tea drier Download PDFInfo
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- CN205667308U CN205667308U CN201620321139.0U CN201620321139U CN205667308U CN 205667308 U CN205667308 U CN 205667308U CN 201620321139 U CN201620321139 U CN 201620321139U CN 205667308 U CN205667308 U CN 205667308U
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- baking oven
- heat transfer
- transfer pipe
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- folium camelliae
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Abstract
The utility model discloses a kind of tea drier, described dehydrator includes the first baking oven, described first baking oven is provided with the air inlet that hot wind supply enters, also include induced-draught fan and be positioned at the second baking oven of the first baking oven horizontal outer side, it is provided with least one set heat transfer pipe in described second baking oven, medium in heat transfer pipe and the isolation of the second oven ncavity, one end of described heat transfer pipe connects the inner chamber of the first baking oven by the first connecting tube, and the other end of heat transfer pipe extends to the second oven ncavity and is connected with the inlet scoop of induced-draught fan.This utility model makes full use of the damp and hot tail gas of tea primary drying residual, origin of heat when drying again as Folium Camelliae sinensis so that damp and hot tail gas obtains repeating recycling, saves the energy, reduces production cost；The first baking operation of this utility model Folium Camelliae sinensis and to dry operation conveying again convenient, reduces the conveying energy consumption in production process；Drying tea leaves method energy-conserving and environment-protective of the present utility model, and enable to Folium Camelliae sinensis color and more they tend to perfect.
Description
Technical field
This utility model belongs to Tea Production technical field, is specifically related to a kind of tea drier.
Background technology
Containing compositions such as catechin, cholestenone, caffeine, inositol, folic acid, pantothenic acid in Folium Camelliae sinensis, human body can be promoted and be good for
Health.Tea be Chinese from ancient times with regard to beverage raw material prevailing, tea is described as " one of big beverage in the world three ", and Tea Processing needs multiple tracks
Operation realizes, and drying is one of critical process of all kinds of tea quality-improving, and its purpose one is to make Folium Camelliae sinensis be dehydrated, thus reaches one
Fixed water content, it is simple to the storage of Folium Camelliae sinensis；Two is in drying course, and Folium Camelliae sinensis can occur the thermal chemical reaction of complexity so that tea
Leaf color more they tends to perfect.
Along with the development of modern automation, wherein tea-manufacturing technology has obtained the biggest sending out also with the development in epoch
Exhibition, when being dried by Folium Camelliae sinensis, generally delivers to tea leaf conveying be dried (just drying) in baking oven for the first time, after being dried for the first time, treats
After Folium Camelliae sinensis cooling, also need to deliver to tea leaf conveying the baking oven that temperature is relatively low carries out redrying (drying Titian again).
At present in Tea Production, commonly used baking oven is turnover plate type baking oven, and turnover plate type baking oven is air drier
One, turnover plate type baking oven has various structures form, but ultimate principle is identical.Patent documentation such as Publication No. 2569063Y is public
Open a kind of crawler slat low temp dying machine, including casing, with air inlet, air outlet, charging aperture and discharging opening in casing,
Being provided with multilamellar crawler belt panel turnover mechanism in casing, this multilamellar crawler belt panel turnover mechanism includes rotary sprocket wheel and is arranged on sprocket wheel
On by the crawler belt of chain wheel drive, this crawler belt includes the tape base being together in series by turnover panel and the turnover panel being hinged on tape base, on turnover panel
With through hole, the turnover panel in mechanism is the transmission of the end to end composition acknowledgement of consignment material that overlaps the when of forwarding to above sprocket wheel
Band, after the hot blast that air stove produces enters casing by the ventilation shaft of the air inlet of bottom of shell, by the through hole on turnover panel
With the gap between crawler belt is gradually increasing, the most up temperature is the lowest, by drying materials during rising.Material is from charging aperture
After entrance, first falling on the crawler belt panel turnover mechanism of the superiors, the turnover panel on crawler belt above sprocket wheel covers under gravity
Covering in base band, play the effect accepting material, material moves to the end of crawler belt panel turnover mechanism with the motion of crawler belt, falls down
On one layer of crawler belt panel turnover mechanism, turnover panel now forwards to below sprocket wheel the most therewith, and under gravity, turnover panel is only by hinged
End hanging is in base band, and beneficially hot blast passes through.
The feature that visible turnover plate type baking oven has simple in construction, working ability is the strongest, and in running due to
Material successively blanking overturns, thus the product quality being dried is especially uniformly reliable.But turnover plate type baking oven is in the drying to material
During, substantial amounts of damp and hot tail gas can be produced, in order to promote follow-up dry process, need constantly to discharge wet in dry run
Hot exhaust gas, and rich in a large amount of tails heat in the damp and hot tail gas discharged, in existing production, generally by the directly discharge of damp and hot tail heat, make
Become the waste of a large amount of thermal source.
Utility model content
This utility model provides a kind of tea drier, and the damp and hot tail gas remained during drying tea leaves is repeated profit
With, it is to avoid the waste of the energy.
The technical solution of the utility model is: a kind of tea drier, including the first baking oven, described first baking oven is provided with
The air inlet that hot wind supply enters, also includes induced-draught fan and is positioned at the second baking oven of the first baking oven horizontal outer side, and described second dries
Least one set heat transfer pipe it is provided with, the medium in heat transfer pipe and the isolation of the second oven ncavity, the one of described heat transfer pipe in case
End connects the inner chamber of the first baking oven by the first connecting tube, the other end of heat transfer pipe extend to the second oven ncavity and with suction
The inlet scoop of blower fan is connected.
In this utility model, the position of the first baking oven and the second baking oven can have multiple, and the second baking oven may be located at the first baking
In arbitrary orientation of case horizontal outer side, but for the ease of using, general placement side by side.This utility model in use,
Carry out in tea leaf conveying is delivered to the first baking oven just drying, be passed through hot blast from air inlet and the Folium Camelliae sinensis in the first baking oven is carried out hot air drying
Dry, obtain half-dried tea after tea primary drying is complete.This utility model carries out multiple baking in half-dried tea is delivered to the second baking oven, due to
Folium Camelliae sinensis will produce substantial amounts of damp and hot tail gas when just drying in the first baking oven, and this utility model can open induced-draught fan, by the first baking oven
The damp and hot tail gas of interior generation will be inhaled in the heat transfer pipe in the second baking oven via connecting tube so that a large amount of in the first baking oven
Damp and hot tail gas is completely in heat transfer pipe.And owing to sucking substantial amounts of damp and hot tail gas in heat transfer pipe, therefore will produce a large amount of
Heat, and the Folium Camelliae sinensis in the second baking oven and heat transfer pipe will occur heat exchange, thus realization is dry to the multiple drying of Folium Camelliae sinensis.
This utility model using during tea primary drying produce damp and hot tail gas as Folium Camelliae sinensis dry again time origin of heat, by with biography
The form of hot channel heat exchange carries out multiple baking, not only so that the damp and hot tail gas produced when just drying is reused, saves
The energy, and when drying again, owing to damp and hot tail gas is positioned at heat transfer pipe, damp and hot tail gas directly will not contact with Folium Camelliae sinensis, will not be right
The quality of Folium Camelliae sinensis impacts, and owing to temperature when temperature when Folium Camelliae sinensis bakees dry again is relatively just dried is low, this drying mode
Can also ensure the temperature that the multiple baking holding of Folium Camelliae sinensis is relatively low, the multiple baking being suitable for Folium Camelliae sinensis is done.
As preferably, it is provided with between described first baking oven and the second baking oven for by the first baking oven and the inner chamber of the second baking oven
The second connecting tube being connected, the medium that the connectivity part of the second connecting tube and the first baking oven is provided with in preventing the first baking oven enters
Enter the valve of the second baking oven.
The damp and hot tail gas that now Folium Camelliae sinensis produces during the first drying in oven fully enters biography via the first connecting tube
In hot channel, after Folium Camelliae sinensis just baking in the first baking oven is complete and discharges the first baking oven, the now damp and hot tail in the first baking oven
Gas the most all enters in heat transfer pipe, but also remains part hot blast in the first baking oven, therefore can open valve, make
Must residue in the hot blast in the first baking oven enters the second baking oven via the second connecting tube and directly contact with Folium Camelliae sinensis, Folium Camelliae sinensis is carried out
Dry dry again.This utility model dehydrator is so that thermal source is fully utilized, it is to avoid the waste of the energy, beneficially environmental protection,
And greatly reduce production cost.
The first baking oven in this utility model can have polytype hot-air oven, as preferably, and described first baking oven
For turnover plate type baking oven, the charging aperture of described first baking oven and discharging opening lay respectively at the upper and lower of the first baking oven, described in enter
Air port is positioned at and the bottom of the first baking oven charging aperture opposite side, and described tea drier also includes:
Feed pipe, is connected with the charging aperture of the first baking oven,
Ajutage, is connected with the air inlet of the first baking oven, and one end of ajutage is connected with the air inlet of the first baking oven,
The exhaust outlet of the other end and an air stove is connected.
It is equipped with even leaf device at the charging port of described feed pipe and the charging aperture of the second baking oven.So that Folium Camelliae sinensis
It is uniformly distributed, it is simple to the baking of Folium Camelliae sinensis, when just drying when using this utility model that Folium Camelliae sinensis is carried out, Folium Camelliae sinensis is carried via feed pipe
Time to the first baking oven, it is provided with even leaf device in the charging port of feed pipe so that the Folium Camelliae sinensis entered in feed pipe uniformly divides
Cloth.When Folium Camelliae sinensis carries out multiple baking, when entering the second baking oven, owing to being also provided with even leaf device at the charging aperture of the second baking oven, now
Folium Camelliae sinensis also can carry out even leaf, and even leaf device of the present utility model can be there to be employing various structures form of the prior art.
When first baking oven of the present utility model is turnover plate type baking oven, owing to being provided with multilamellar crawler belt panel turnover machine in turnover plate type baking oven
Structure, when Folium Camelliae sinensis is after charging aperture enters, first falls on the crawler belt panel turnover mechanism of the superiors, and now turnover panel plays undertaking Folium Camelliae sinensis
Effect, after Folium Camelliae sinensis moves to the end of crawler belt panel turnover mechanism with the motion of crawler belt, Folium Camelliae sinensis will fall next layer of crawler belt turnover panel
In mechanism, turnover panel now forwards to below sprocket wheel the most therewith, and under gravity, turnover panel is only hung in base band by hinged end
On, beneficially hot blast passes through.Folium Camelliae sinensis, after multilamellar crawler belt panel turnover mechanism, is finally discharged via discharging opening.
The second baking oven in this utility model can also be the baking oven of various structures form, and as preferably, described second dries
Case is turnover plate type baking oven, and the charging aperture of described second baking oven and discharging opening lay respectively at the upper and lower of the second baking oven, described
Being provided with multilamellar crawler belt panel turnover mechanism in second baking oven, described heat transfer pipe is roundabout to be wound between each layer crawler belt panel turnover mechanism.
In this utility model, the second baking oven is turnover plate type baking oven, is also equipped with multilamellar crawler belt panel turnover machine in the second baking oven
Structure, Folium Camelliae sinensis operation principle in turnover plate type baking oven is shown in above-mentioned, when the second baking oven is set to turnover plate type baking oven by this utility model,
With Folium Camelliae sinensis, effective heat exchange occurring for the ease of heat transfer pipe, this utility model is wound on each layer crawler belt by roundabout for heat transfer pipe
Between panel turnover mechanism, the damp and hot tail gas in heat transfer pipe will enter in heat transfer pipe, then at the first baking oven in the first baking oven
Under the suction of induced-draught fan, damp and hot tail gas flows along the roundabout direction of heat transfer pipe, is covered with in heat transfer pipe, and conducts heat
Convoluted conduit is wound between each layer crawler belt panel turnover mechanism so that each layer crawler belt panel turnover mechanism all with the position pair of heat transfer pipe
Should so that the Folium Camelliae sinensis on each layer crawler belt panel turnover mechanism occurs uniform heat exchange with heat transfer pipe so that tea-drying is uniform.
The mode that in this utility model, heat transfer pipe is roundabout has multiple, and as preferably, described heat transfer pipe includes many cloth
Being placed in the vertical pipeline of the second baking oven outer wall and the many horizontal pipes being arranged in the second oven interior, adjacent two are vertical
It is provided with a horizontal pipe between pipeline, between adjacent horizontal pipe, is provided with a vertical pipeline, described crawler belt panel turnover mechanism
It is in the space surrounded by two horizontal pipes and vertical pipeline.
When the damp and hot tail gas in the first baking oven is discharged, then damp and hot tail gas is by from vertical pipeline and the company of the first baking oven
Logical place enters in vertical pipeline, enters damp and hot tail gas in vertical pipeline by under the suction of induced-draught fan, damp and hot tail gas gram
Take resistance so that damp and hot tail gas can flow along horizontal pipe, and is evenly arranged in horizontal pipe.
This utility model can be according to the quantity of baking oven size design heat transfer pipe, and heat transfer pipe can have many groups, as excellent
Choosing, described heat transfer pipe is many groups, and many group heat transfer pipes are arranged the most parallel.
In this utility model, the version of heat transfer pipe can have multiple, and such as heat transfer pipe can be pipe, rectangle
Pipe or rectangular tube, as preferably, the circular in cross-section of described heat transfer pipe, rectangle or square.As preferably, described heat transfer
The cross section of pipeline is rectangle.The surface that rectangular tube area is maximum is corresponding with crawler belt panel turnover mechanism layer surface, the most permissible
Make the Folium Camelliae sinensis on crawler belt panel turnover mechanism relatively big with the heat exchange area of heat transfer pipe, the beneficially rapid draing of Folium Camelliae sinensis.
As preferably, being provided with auxiliary point wind mechanism between described first baking oven and the second baking oven, described auxiliary divides wind mechanism
Including:
Guide duct, the axial direction of described guide duct is provided with multiple position respectively and between multiple crawler belt panel turnover mechanism
The connection joint of corresponding connection；
Dividing airduct, two ports of described point of airduct are connected with ajutage and guide duct respectively.
If the temperature of heat transfer pipe is relatively low, this utility model can provide heat by auxiliary point wind mechanism in the second baking oven
Wind, this utility model connects one point of airduct on ajutage, and the part hot blast in ajutage can branch in point airduct, point airduct
Interior hot blast is transferred to guide duct again, is finally transferred in the second baking oven via connection joint.
Enter in point airduct for the ease of the hot blast in ajutage, as preferably, described point of airduct going out towards ajutage
Mouth direction tilts.Owing to the hot blast in ajutage flows towards Way out, and point airduct tilts towards ajutage Way out
Time so that the import direction of point airduct is maintained at same orientation with the flow direction of hot blast, divides when the hot blast in ajutage enters
Time in airduct, suffered resistance is less, it is not necessary to exogenous power can enter in point airduct.
There is very important impact at the inclination angle of point airduct for the flow velocity of hot blast, as preferably, described point of airduct
Inclination angle is 30～60 degree.
As preferably, the connectivity part of described point of airduct and ajutage is provided with regulation valve.Proper temperature in the second baking oven
Time, now need not supply hot blast in point airduct, in order to reduce the loss of the energy, this utility model is at point airduct and an ajutage
Connectivity part be provided with regulation valve, when needs in point airduct to when supplying hot blast in heat transfer pipe, open regulation valve, and
Can be by regulating the uninterrupted of valve scalable hot blast；When need not in point airduct to when supplying hot blast in heat transfer pipe, close
Close regulation valve.
This utility model Folium Camelliae sinensis after drying at the beginning of the first baking oven, when being delivered to multiple baking operation, as preferably, described Folium Camelliae sinensis
Dehydrator also includes for the tea leaf conveying that the first baking oven discharge outlet is discharged is delivered to the conveyer at the second baking oven charging aperture.
Compared with prior art, the beneficial effects of the utility model are embodied in:
(1) this utility model makes full use of the damp and hot tail gas of tea primary drying residual, heat when drying again as Folium Camelliae sinensis
Source so that the hot blast of damp and hot tail gas and just baking residual obtains repeating recycling, saves the energy, reduces production cost；
(2) this utility model energy-conserving and environment-protective, and enable to Folium Camelliae sinensis color and more they tend to perfect；
(3), compared with existing tea drying oven, when consuming the identical energy, this utility model dehydrator makes having of baking oven
Effect is dried area and is improve twice.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model the second baking oven one of which embodiment.
Detailed description of the invention
As it is shown in figure 1, this utility model includes that the first baking oven 1, the first baking oven 1 are provided with the air inlet that hot wind supply enters
11, also include induced-draught fan 3 and be positioned at the second baking oven 2 of the first baking oven 1 horizontal outer side, in the second baking oven 2, being provided with least one set
Heat transfer pipe 21, the medium in heat transfer pipe 21 and the isolation of the second baking oven 2 inner chamber, one end of heat transfer pipe 21 is by the first connection
Pipe 13 connects the inner chamber of the first baking oven 1, and the other end of heat transfer pipe 21 extends to the second baking oven 2 inner chamber and the suction with induced-draught fan 3
Air port is connected.In this utility model, the position of the first baking oven 1 and the second baking oven 2 can have multiple, and the second baking oven 2 may be located at
In arbitrary orientation of the first baking oven 1 horizontal outer side, but for the ease of using, general placement side by side.
It is provided with between first baking oven 1 and the second baking oven 2 for by the intracavity inter-connection of the first baking oven 1 and the second baking oven 2
Second connecting tube 14, the medium that the connectivity part of the second connecting tube 14 and the first baking oven 1 is provided with in preventing the first baking oven 1 enters
The valve (being not drawn in figure) of the second baking oven 2.
The damp and hot tail gas that now Folium Camelliae sinensis produces during the first drying in oven fully enters biography via the first connecting tube
In hot channel, after Folium Camelliae sinensis just baking in the first baking oven is complete and discharges the first baking oven, the now damp and hot tail in the first baking oven
Gas the most all enters in heat transfer pipe, but also remains part hot blast in the first baking oven, therefore can open valve, make
Must residue in the hot blast in the first baking oven enters the second baking oven via the second connecting tube and directly contact with Folium Camelliae sinensis, Folium Camelliae sinensis is carried out
Dry dry again.This utility model dehydrator is so that thermal source is fully utilized, it is to avoid the waste of the energy, beneficially environmental protection,
And greatly reduce production cost.
As it is shown in figure 1, the Folium Camelliae sinensis that this utility model is after the first baking oven 1 just dries, when being delivered to multiple baking operation, in order to just
In conveying, this utility model is provided with for being delivered at the second baking oven 2 charging aperture by the tea leaf conveying that the first baking oven 1 discharge outlet is discharged
Conveyer 9.
This utility model in use, carries out in tea leaf conveying is delivered to the first baking oven 1 just drying, is passed through hot blast from air inlet 11
Folium Camelliae sinensis in first baking oven 1 is carried out hot air drying, after tea primary drying is complete, obtains half-dried tea.This utility model is by half-dried tea
Multiple baking is carried out in being delivered to the second baking oven 2, owing to substantial amounts of damp and hot tail gas will be produced when Folium Camelliae sinensis just dries in the first baking oven 1, this
Utility model can open induced-draught fan 3, and via connecting tube 12, the damp and hot tail gas produced in first baking oven 1 is inhaled into the second baking oven 2
In interior heat transfer pipe 21 so that a large amount of damp and hot tail gas in the first baking oven 1 is completely in heat transfer pipe 21.And heat transfer pipe
Owing to sucking substantial amounts of damp and hot tail gas in 21, substantial amounts of heat therefore will be produced so that the Folium Camelliae sinensis in the second baking oven 2 and heat-transfer pipe
Road 21 will occur heat exchange, thus realize dry to the multiple drying of Folium Camelliae sinensis, and when multiple drying is dry, damp and hot tail gas will not be direct with Folium Camelliae sinensis
Contact, will not impact the quality of Folium Camelliae sinensis.
In this utility model, the first baking oven 1 and the second baking oven 2 all have various structures form, as it is shown in figure 1, this practicality is new
In type, the first baking oven 1 is turnover plate type baking oven, the charging aperture (being not drawn in figure) of the first baking oven 1 and discharging opening (being not drawn in figure) point
Not being positioned at the upper and lower of the first baking oven 1, air inlet 11 is positioned at and the bottom of the first baking oven 1 charging aperture opposite side, Folium Camelliae sinensis
Dehydrator also includes:
Feed pipe 4, is connected with the charging aperture of the first baking oven 1,
Ajutage 5, one end of ajutage 5 is connected with the air inlet of the first baking oven 1, the other end and the row of an air stove 51
Air port is connected.
It is equipped with even leaf device 6 at the charging port of feed pipe 4 and the charging aperture of the second baking oven 2.
In this utility model, the second baking oven 2 can be polytype baking oven, and in present embodiment, the second baking oven 2 is turnover panel
Formula baking oven, is provided with multilamellar crawler belt panel turnover mechanism 22 in the second baking oven 2, heat transfer pipe 21 is roundabout is wound on each layer crawler belt panel turnover mechanism
Between 22.
When first baking oven 1 of the present utility model is turnover plate type baking oven, owing to being provided with multilamellar crawler belt turnover panel in turnover plate type baking oven
Mechanism, when Folium Camelliae sinensis is after charging aperture enters, first falls on the crawler belt panel turnover mechanism of the superiors, and now turnover panel plays undertaking tea
The effect of leaf, after Folium Camelliae sinensis moves to the end of crawler belt panel turnover mechanism with the motion of crawler belt, Folium Camelliae sinensis will be fallen next layer of crawler belt and turn over
On trigger structure, turnover panel now forwards to below sprocket wheel the most therewith, and under gravity, turnover panel is only hung in base band by hinged end
On, beneficially hot blast passes through.Folium Camelliae sinensis, after multilamellar crawler belt panel turnover mechanism, is finally discharged via discharging opening.
First baking oven 1 discharging opening Folium Camelliae sinensis out, is transported in the second baking oven 2, and the second baking oven 2 is set by this utility model
When being set to turnover plate type baking oven, Folium Camelliae sinensis operation principle in the second baking oven 2 is shown in above-mentioned, sends out with Folium Camelliae sinensis for the ease of heat transfer pipe 21
Raw effective heat exchange, this utility model is wound on roundabout for heat transfer pipe 21 between each layer crawler belt panel turnover mechanism 22, heat-transfer pipe
Damp and hot tail gas in road 21 will enter in heat transfer pipe 21 in the first baking oven 1, then under the suction of induced-draught fan 3, wet
Hot exhaust gas flows along the roundabout direction of heat transfer pipe 21, is covered with in heat transfer pipe 21, and heat transfer pipe 21 is roundabout is wound on
Between each layer crawler belt panel turnover mechanism 22 so that each layer crawler belt panel turnover mechanism 22 is all corresponding with the position of heat transfer pipe 21 so that each
There is uniform heat exchange with heat transfer pipe 21 in the Folium Camelliae sinensis on layer crawler belt panel turnover mechanism 22 so that tea-drying is uniform.
The mode that in this utility model, heat transfer pipe 21 is roundabout has multiple, and the first of this utility model heat transfer pipe 21 is real
Execute mode, as it is shown in figure 1, heat transfer pipe 21 includes the many vertical pipelines 211 being arranged in the second baking oven 2 outer wall in the present embodiment
And the many horizontal pipes 212 being arranged within the second baking oven 2, it is provided with a water between two adjacent vertical pipelines 211
Flat pipeline 212, is provided with a vertical pipeline 211 between adjacent horizontal pipe 212, crawler belt panel turnover mechanism 22 is in by two water
In the space that flat pipeline 212 and vertical pipeline 211 surround.
When the damp and hot tail gas in the first baking oven 1 is discharged, then damp and hot tail gas will be from vertical pipeline 211 and the first baking oven
The connectivity part of 1 enters in vertical pipeline 211, enters the damp and hot tail gas in vertical pipeline 211 by the suction at induced-draught fan 3
Under, damp and hot tail gas overcomes resistance so that damp and hot tail gas can flow along horizontal pipe 212, and is evenly arranged in horizontal pipe
In 212.
The second embodiment of this utility model heat transfer pipe 21, as in figure 2 it is shown, this kind of embodiment and above-mentioned enforcement
The difference of mode is, in present embodiment, heat transfer pipe 21 is the most roundabout is wound on the second baking oven 2 inside, with the second
Embodiment is compared, and the space that the first embodiment takies within the second baking oven 2 is less, saves the second baking oven 2 inner space.
This utility model can be according to the quantity of baking oven size design heat transfer pipe 21 and version, and heat transfer pipe 21 is permissible
Having multiple, heat transfer pipe 21 is many groups, and many group heat transfer pipes 21 are the most parallel to be arranged.In this utility model, heat transfer pipe 21 can be
Multiple, multiple heat transfer pipes 21 are the most parallel to be arranged, the circular in cross-section of heat transfer pipe 21, rectangle or square.Ordinary circumstance
Under, the cross section of heat transfer pipe 21 is rectangle, by surface maximum for rectangular tube area with crawler belt panel turnover mechanism layer surface relative to cloth
Put, so so that the Folium Camelliae sinensis on crawler belt panel turnover mechanism 22 is relatively big with the heat exchange area of heat transfer pipe 21, beneficially Folium Camelliae sinensis
Rapid draing.
As it is shown in figure 1, be provided with auxiliary point wind mechanism 7 between the first baking oven 1 and the second baking oven 2, auxiliary point wind mechanism 7 is wrapped
Include:
Guide duct 71, the axial direction of guide duct 71 is provided with multiple position respectively and between multiple crawler belt panel turnover mechanism 22
Put the connection joint 711 of corresponding connection；
Dividing airduct 72, two ports of point airduct 72 are connected with ajutage 5 and guide duct 71 respectively.
If the temperature of heat transfer pipe is relatively low, this utility model can be provided in the second baking oven 2 by auxiliary point wind mechanism 7
Hot blast, this utility model connects one point of airduct 72 on ajutage 5, and the part hot blast in ajutage 5 can branch to point airduct 72
In, the hot blast in point airduct 72 is transferred to guide duct 71 again, is finally transferred to vertical pipeline 211 via connection joint 711, and
It is finally transmitted in horizontal pipe 212.
Entering in point airduct 72 for the ease of the hot blast in ajutage 5, generally, point airduct 72 is towards ajutage 5
Way out tilt, point airduct 72 is provided with regulation valve 8 with the connectivity part of ajutage 5.Owing to the hot blast in ajutage 5 is towards going out
The flowing of mouthful direction, and point airduct 72 towards ajutage 5 Way out tilts time so that the import direction of point airduct 72 and hot blast
Flow direction is maintained at same orientation, and when the hot blast in ajutage 5 enters in point airduct, suffered resistance is less, it is not necessary to
Exogenous power can enter in point airduct 72.There is very important impact at the inclination angle of point airduct 72 for the flow velocity of hot blast,
When in this utility model, the inclination angle of point airduct 72 is 30～60 degree, point wind effect is preferable.
As it is shown in figure 1, when proper temperature in heat transfer pipe 21, now need not supply hot blast in point airduct 72,
In order to reduce the loss of the energy, this utility model is provided with in the connectivity part of point airduct 72 with ajutage 5 and regulates valve and (do not draw in figure
Go out), when needs in point airduct 72 to when supplying hot blast in heat transfer pipe 21, open regulation valve, and can pass through to regulate
The uninterrupted of valve scalable hot blast；When need not in point airduct 72 to when supplying hot blast in heat transfer pipe 21, closing and regulating
Valve 8.
Above-mentioned tea drier dries the method for Folium Camelliae sinensis, comprises the following steps:
First, when the first baking oven 1 and the second baking oven 2 are preheated, open valve, the hot blast that air stove 51 is discharged via
Ajutage 5 enters in the first baking oven 1, and the part hot blast in the first baking oven 1 enters in the second baking oven 2 via the second connecting tube 14,
Be passed through hot blast in first baking oven 1 and the second baking oven 2 to preheat, preheat complete after, close valve；
Second, stop being passed through hot blast in the second baking oven 2, continue continuously to be passed through hot blast in the first baking oven 1, and
Carrying out in Folium Camelliae sinensis is delivered to the first baking oven 1 via the charging aperture of the first baking oven 1 just drying, wherein hot blast temperature is 120～140
DEG C, after drying 20～40min, obtain half-dried tea；
3rd, open induced-draught fan 3 so that the damp and hot tail gas produced when just drying enters the second baking oven via the first connecting tube 13
In heat transfer pipe 21 in 2, enter the damp and hot tail gas in heat transfer pipe 21 and the isolation of the second baking oven 2 inner chamber, then by half-dried tea
Discharge from the discharging opening of the first baking oven 1, stop heat air delivery in the first baking oven 1；
4th, after half-dried tea is all discharged via the discharging opening of the first baking oven 1, stop carrying in the first baking oven 1
While hot blast, open valve so that in the first baking oven 1, the hot blast of residual enters in the second baking oven 2 via the second connecting tube 14.
After the cooling of half-dried tea, carry out drying multiple baking in half-dried tea is delivered to the second baking oven 2 via the charging aperture of the second baking oven 2, the
Half-dried tea in two baking ovens 2 by occurring heat exchange to carry out drying multiple baking with heat transfer pipe 21, simultaneously can with in the first baking oven 1
The hot blast of residual directly carries out contact drying, and the temperature in the second baking oven is generally 80～100 DEG C, if the temperature of 2 in the second baking oven
Degree need adjust time, it is also possible to by auxiliary point wind mechanism in the second baking oven 2, be passed through hot blast, the most again baking 30～40min it
After, dry multiple baking and obtain dry tea.
When Folium Camelliae sinensis carries out just drying in this utility model, the mode of hot air drying is used Folium Camelliae sinensis to be dried, when at the beginning of Folium Camelliae sinensis
Drying complete, when carrying out multiple baking, use the mode dried, temperature is low when relatively just drying.This utility model is by using tea primary drying
Time baking oven in the damp and hot tail gas of residual thermal source when drying again as Folium Camelliae sinensis, damp and hot tail gas is passed through in heat transfer pipe 21, by passing
Hot channel 21 and half-dried tea carry out heat exchange, after the Folium Camelliae sinensis in the first baking oven 1 is all discharged, stop in the first baking oven 1
Heat air delivery, when Folium Camelliae sinensis carries out multiple baking in the second baking oven 2, by being dried with the form of heat transfer pipe 21 heat exchange, by
In directly not contacting with damp and hot tail gas, while this utility model reuses damp and hot tail gas, do not interfere with the quality of Folium Camelliae sinensis.This
The utility model damp and hot tail gas when Folium Camelliae sinensis bakees dry again, after half-dried tea all discharges the first baking oven 1, in the first baking oven 1
Also fully enter in heat transfer pipe 21, now can also open valve, the hot blast of residual in the first baking oven 1 is connected via second
Pipe 14 is delivered in the second baking oven 2 so that Folium Camelliae sinensis is directly dried by the hot blast of residual, and therefore this utility model is to Folium Camelliae sinensis
Carry out multiple baking when doing, can dry with the form used and heat transfer pipe 21 carries out heat exchange, it would however also be possible to employ with heat transfer
While pipeline 21 heat exchange method, the mode of additional hot air drying.
Claims (5)
1. a tea drier, including the first baking oven (1), described first baking oven (1) is provided with the air inlet that hot wind supply enters
(11), it is characterised in that also include induced-draught fan (3) and be positioned at second baking oven (2) of the first baking oven (1) horizontal outer side, described
Be provided with least one set heat transfer pipe (21) in second baking oven (2), medium in heat transfer pipe (21) and the second baking oven (2) inner chamber every
Absolutely, one end of described heat transfer pipe (21) connects the inner chamber of the first baking oven (1), heat transfer pipe (21) by the first connecting tube (13)
The other end extend to the second baking oven (2) inner chamber and the inlet scoop with induced-draught fan (3) is connected；Described first baking oven (1) and the
It is provided with for the second connecting tube (14) by the first baking oven (1) Yu the intracavity inter-connection of the second baking oven (2) between two baking ovens (2),
The medium that the connectivity part of the second connecting tube (14) and the first baking oven (1) is provided with in preventing the first baking oven (1) enters the second baking
The valve of case (2).
2. tea drier as claimed in claim 1, it is characterised in that described first baking oven (1) is turnover plate type baking oven, described
The charging aperture of the first baking oven (1) and discharging opening lay respectively at the upper and lower of the first baking oven (1), and described air inlet (11) is positioned at
With the bottom of the first baking oven (1) charging aperture opposite side, described tea drier also includes:
Feed pipe (4), is connected with the charging aperture of the first baking oven (1),
Ajutage (5), one end of ajutage is connected with the air inlet of the first baking oven (1), the other end and an air stove (51)
Exhaust outlet is connected.
3. tea drier as claimed in claim 2, it is characterised in that described second baking oven (2) is turnover plate type baking oven, described
The charging aperture of the second baking oven (2) and discharging opening lay respectively at the upper and lower of the second baking oven (2), in described second baking oven (2)
Being provided with multilamellar crawler belt panel turnover mechanism (22), described heat transfer pipe (21) is roundabout to be wound between each layer crawler belt panel turnover mechanism (22).
4. tea drier as claimed in claim 3, it is characterised in that described heat transfer pipe (21) includes that many are arranged in the
The vertical pipeline (211) of two baking ovens (2) outer wall and the many horizontal pipes (212) being arranged in the second baking oven (2) inside are adjacent
Two vertical pipelines (211) between be provided with a horizontal pipe (212), be provided with one between adjacent horizontal pipe (212)
Vertical pipeline (211), described crawler belt panel turnover mechanism (22) is in by two horizontal pipes (212) and a vertical pipeline (211)
In the space surrounded.
5. tea drier as claimed in claim 1, it is characterised in that described heat transfer pipe (21) is many groups, organizes heat transfer more
Pipeline (21) is the most parallel to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321139.0U CN205667308U (en) | 2016-04-18 | 2016-04-18 | A kind of tea drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321139.0U CN205667308U (en) | 2016-04-18 | 2016-04-18 | A kind of tea drier |
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| Publication Number | Publication Date |
|---|---|
| CN205667308U true CN205667308U (en) | 2016-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620321139.0U Active CN205667308U (en) | 2016-04-18 | 2016-04-18 | A kind of tea drier |
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| Country | Link |
|---|---|
| CN (1) | CN205667308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107637850A (en) * | 2017-11-01 | 2018-01-30 | 湖南有吉食品有限公司 | A kind of day lily continuous de-enzyming dries integrated device |
-
2016
- 2016-04-18 CN CN201620321139.0U patent/CN205667308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107637850A (en) * | 2017-11-01 | 2018-01-30 | 湖南有吉食品有限公司 | A kind of day lily continuous de-enzyming dries integrated device |
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| GR01 | Patent grant |