CN108703225A - Tea processing technique and system of processing - Google Patents
Tea processing technique and system of processing Download PDFInfo
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- CN108703225A CN108703225A CN201810369830.XA CN201810369830A CN108703225A CN 108703225 A CN108703225 A CN 108703225A CN 201810369830 A CN201810369830 A CN 201810369830A CN 108703225 A CN108703225 A CN 108703225A
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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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Abstract
This application discloses a kind of tea processing technique and systems of processing.The tea processing technique and system of processing include fresh leaf deterioration device, steaming apparatus, quick-freezing plant, vacuum freeze-drying apparatus and disinfecting device, wither processing, water-removing processing, manage bar and spreading for cooling processing, fast frozen, vacuum freeze-drying processing and sterilization processing are carried out to tealeaves successively in process, the good sample tea of quality is made and carries out air drying preservation.The technical issues of cumbersome, nutritional ingredient that present application addresses tea processing processes is easy to run off.
Description
Technical field
This application involves tea processing technical fields, in particular to a kind of tea processing technique and system of processing.
Background technology
China is the native place of tea, is to find that tea tree, cultivation tea tree and the country using tealeaves, tealeaves are also earliest in the world
A kind of thousands of years traditional drinks are spread in China, have the well-known tea of many different characteristics in China.According to the difference of processing technology,
Several major class such as green tea, green tea, black tea, white tea and yellow tea can be divided into.One common feature of all these traditional teas is fresh
Ye Jing such as withers, finishes and rubs at the processes, and last drying is dried or drying property sample tea that roasting obtains.
The making of conventional tea generally uses cumbersome, generally comprises：Fresh leaf → wither → the cool green grass or young crops → leaf rotation and do hand →
Fried green → rub → re-roasting (fries) → rub again → water roasts → winnow with a dustpan → cool rope → hair → final firing → packet → stewing fire → obtains drying
Property sample tea.Therefore some effective nutritions must be lost during entire roasting, cannot preferably keep fresh tea passes
Color.Simultaneously because tea tree is grown in mountain area substantially, the fresh leaf had inconvenient traffic, and just picked must add on the spot
Work.The characteristics of being difficult to adapt to long-distance transport, substantially determines that fresh tea passes can only be processed into dry tea on the spot and be sold, therefore tea
The quality of leaf by the factors such as sanitary condition, processing conditions and process equipment, processing technology due to being influenced, and quality is always
It is difficult to stablize, for same tealeaves due to the difference of processing conditions and processing technology, quality discrepancy is very big, and never method is realized
Production standardization, this is also one of the significant obstacle for restricting Chinese tea and going to the world.
For the problem of tea processing process in the related technology is cumbersome, nutritional ingredient is easy to run off, not yet propose at present effective
Solution.
Invention content
The main purpose of the application is to provide a kind of tea processing technique and system of processing, to solve tea processing process
Cumbersome, nutritional ingredient is easy to run off problem.
To achieve the goals above, according to the one side of the application, a kind of tea processing technique is provided.
According to the tea processing technique of the application, including rapid S101 to step S105：
Step S101：Processing of withering is carried out to fresh tea passes；
Step S102：Water-removing processing is carried out to tealeaves；
Step S103：Fast frozen is carried out to tealeaves；
Step S104：Frozen dried is carried out to tealeaves；
Step S105：Sterilization processing, finished product tea are carried out to tealeaves.
Further, between the step S102 and the step S103, further include：
Step S201：Manage bar processing is carried out to tealeaves；
Step S202：Spreading for cooling processing is carried out to tealeaves.
Further, the weight of gained tealeaves mitigates 12% to 22% compared with the weight of fresh tea passes after step S101, institute
It states temperature in step S101 and is no more than 35 DEG C.
Further, the weight of gained tealeaves subtracts compared with the weight of gained tealeaves after the step S101 after step S102
Temperature is no more than 200 DEG C in light 15% to 25%, the step S102.
Further, the time for carrying out fast frozen in step S103 to tealeaves is no less than 4 hours, and temperature is -50 DEG C.
Further, the time for carrying out frozen dried in step S104 to tealeaves is no less than 24 hours, and temperature is -48 DEG C
To -50 DEG C, pressure is 1.3Pa to 13Pa.
To achieve the goals above, according to the another aspect of the application, a kind of tea processing system is provided.
According to the tea processing system of the application, including：Fresh leaf deterioration device, steaming apparatus, quick-freezing plant, vacuum freeze-drying
Device and disinfecting device, the material output end of fresh leaf deterioration device and the material input of steaming apparatus connect, described to kill
The material input of the material output end of green device and quick-freezing plant connects, the material output end of the quick-freezing plant with it is described true
The material input of empty freeze-drying apparatus connects, the object of the material output end and the disinfecting device of the vacuum freeze-drying apparatus
Expect input terminal connection.
Further, it is also disposed with manage bar device and spreading for cooling device between steaming apparatus and the quick-freezing plant, manages
The material input of strip device is connect with the material output end of the steaming apparatus, the material output end of the manage bar device and institute
State the material input connection of spreading for cooling device, the material input of the material output end and the quick-freezing plant of the spreading for cooling device
Connection.
To achieve the goals above, according to the another aspect of the application, a kind of vacuum freeze-drying apparatus is provided.
According to the vacuum freeze-drying apparatus of the application, including：The outer case of vacuum refrigeration environment, the interior case of storing tea are provided
Body and the cold-trap case for absorbing sublimation gases, refrigerating plant is provided in the outer case, and the internal box is arranged in the outer container
In vivo, between the internal box and the outer case there are ventilating duct, several and institute are offered on the inner wall of the internal box
The ventilation hole of ventilating duct connection is stated, distillation vent hole is offered in the outer case, the cold-trap case is logical by the sublimation gases
Hole is connected to the ventilating duct, and the cold-trap case is connect with vacuum extractor.
Further, the coil pipe of multilayer attachment sublimation gases is provided in cold-trap case, the coil pipe is wavy shaped configuration, institute
It states and is staggered between upper and lower two layers adjacent of coil pipe.
In the embodiment of the present application, it withered, finished successively to fresh tea passes, is quick-frozen, vacuum freeze-drying and sterilization processing, warp
After crossing fast frozen, the moisture in tealeaves exists in the form of ice crystal, is directly by ice crystal distillation after being handled by vacuum freeze-drying
Gaseous state is externally discharged, and inorganic salts soluble in water are directly precipitated, avoid using general tea treatment method and caused by it is inorganic
Salt is precipitated on tealeaves surface, the case where making tealeaves Surface hardened layer, reduce tealeaves mouthfeel.To realize simplified tea processing work
Sequence, the technique effect for improving sample tea mouthfeel, and then solve the technology that tea processing process is cumbersome, nutritional ingredient is easy to run off and ask
Topic.
Description of the drawings
The attached drawing constituted part of this application is used for providing further understanding of the present application so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the step flow chart of tea processing process example one of the present invention；
Fig. 2 is the step flow chart of tea processing process example two of the present invention；
Fig. 3 is the connection block diagram of tea processing system of the present invention；
Fig. 4 is the structural schematic diagram of vacuum freeze-drying apparatus in tea processing system of the present invention；And
Fig. 5 is the partial top view of upper and lower two layers of coil pipe in vacuum freeze-drying apparatus.
Specific implementation mode
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " comprising " in the description and claims of this application and above-mentioned attached drawing and he
Any deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, being
System, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or
For the intrinsic other steps of these processes, method, product or equipment or unit.
In this application, term "upper", "lower", "top", "bottom", "inner", "outside", " in " etc. instructions orientation or position close
System is to be based on the orientation or positional relationship shown in the drawings.These terms are primarily to the preferably description present invention and its implementation
Example, particular orientation must be had by being not intended to limit indicated device, element or component, or carry out structure with particular orientation
It makes and operates.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term "upper" also are likely used for indicating certain relations of dependence or connection relation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection " shall be understood in a broad sense.For example, it may be fixedly connected,
It is detachably connected or monolithic construction；Can be mechanical connection, or electrical connection；It can be directly connected, or pass through centre
Medium is indirectly connected, or is two connections internal between device, element or component.For ordinary skill
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, in the embodiment one of this method, including following step S101 to step S106：
Step S101：Processing of withering is carried out to fresh tea passes.To fresh tea passes wither after processing the weight of gained tealeaves with
The weight of fresh tea passes is compared to mitigating 12% to 22%, and temperature is no more than 35 DEG C during withering.
It withers specifically, the fresh tea passes newly picked are conveyed into fresh leaf deterioration device 1, keeps fresh tea passes uniform
Dehydration, the tealeaves weight-loss ratio after dehydration is about the 12% to 22% of fresh tea passes, and the temperature of 1 working environment of fresh leaf deterioration device does not surpass
35 DEG C are crossed, wither time of processing of fresh tea passes is determined according to environment temperature, can be withered dress to fresh leaf by control device
Setting 1 working time is controlled.Fresh leaf deterioration device 1 switchs to dirty-green to leaf color in fresh tea passes processing procedure by emerald green,
Blade face gloss fades away, micro-strip faint scent, until leaf natural is sagging.
Step S102：Water-removing processing is carried out to tealeaves.The weight of gained tealeaves and water-removing after water-removing processing are carried out to tealeaves
The weight of tealeaves is compared to mitigating 15% to 25% before processing, and temperature is no more than 200 DEG C during water-removing.
Specifically, the tealeaves after withering is conveyed into steaming apparatus 2, steaming apparatus 2 uniformly stir-fries to tealeaves, fixing temperature
It is controlled by control device with the time, it is preferred that fixing temperature is no more than 200 DEG C.Turn yellow green by killing to leaf color.Add
The fresh leaf food value of leaf that work is crossed is soft, and stalk is curved, and constantly the green gas of fresh leaf removes substantially, and it is to wither to have ripe perfume (or spice), weight-loss ratio in fresh leaf thoroughly
The 15% to 25% of leaf.
Step S103：Fast frozen is carried out to tealeaves.The time that fast frozen is carried out to tealeaves is no less than 4 hours, temperature
Degree is -50 DEG C.
Specifically, tealeaves, which is put into quick-freezing plant 3, carries out low-temperature quick-freezing, by control device to quick freezing temperature and time into
Row control.Preferred quick freezing temperature is -50 DEG C, and the quick-frozen time is 4 hours.
Step S104：Frozen dried is carried out to tealeaves.The time that frozen dried is carried out to tealeaves is no less than 24 hours,
Temperature is -48 DEG C to -50 DEG C, and pressure is 1.3Pa to 13Pa.
It is placed in vacuum freeze-drying apparatus 4 specifically, the tealeaves of quick-frozen state is put into mold, by control device to true
Empty freeze temperature and time are controlled.Preferred vacuum freeze-drying temperature is -48 DEG C to -50 DEG C, and vacuum freeze-drying temperature is 24 small
When.
Step S105：Sterilization processing, finished product tea are carried out to tealeaves.
Specifically, vacuum freeze-drying, treated that tealeaves is placed in ultrasonic sterilization machine, and ultrasonic sterilization is carried out to tealeaves
Sterilization processing.
Step S106：Sample tea is stored in the environment of air drying.
Specifically, sample tea stores in the environment of air drying, and have the characteristics that the more long storage time the more fragrant,
It is suitble to long term storage.
As shown in Fig. 2, in the embodiment two of this method, between step S102 and step S103, further include：
Step S201：Manage bar processing is carried out to tealeaves.
Specifically, the tealeaves after water-removing, which is conveyed into manage bar device, carries out manage bar, while the moisture after water-removing is removed, reduced
Moisture prevents tealeaves agglomerating, while the fresh leaf after water-removing is smoothed out with the fingers straight molding by manage bar.
Step S202：Spreading for cooling processing is carried out to tealeaves.
Specifically, carrying out spreading for cooling processing to tealeaves using spreading for cooling device, spreading for cooling container, spreading for cooling time can be used in spreading for cooling device
It it is 3 hours or so, the preferred spreading for cooling time is 3 hours.
It can be seen from the above description that the present invention realizes following technique effect：
1, since fresh leaf tea is that manufactured, most of nutritions in tealeaves are dried in the state of cryogenic vacuum
Can be by intact reservation, and the readily oxidizable substance that tealeaves itself contains is effectively protected.Low temperature drying mode can be with
It avoids sugared part in plant from being scorched, taste is charred from without finished.Low temperature drying mode can also make sample tea
Leaf retains original natural flavor and fragrance, since entire drying process carries out under vacuum conditions, so in low temperature directly
It is that gas is discharged by the ice crystal distillation on tealeaves surface, retains intact tealeaves nutrition (such as dark brownish green element, vitamin, plant battalion
Support element etc.).
2, during low temperature freeze-drying, the growth of microorganism and the effect of enzyme can not carry out, therefore tealeaves can be kept original
Character (shape, color and luster and the constituent of such as tealeaves).
3, due in tealeaves moisture exist in the form of ice crystal after quick-frozen, inorganic salts soluble in water are present in ice crystal.
When distillation, dissolved matter soluble in water is upright to connect precipitation, avoid using traditional heating drying means because tealeaves internal moisture to
Inorganic salts entrained by surface migration are the phenomenon that tealeaves surface is precipitated and causes Surface hardened layer.The application is in the state of quick-frozen
Vacuum drying treatment is carried out to tealeaves, shape of tea, volume almost keep original state constant, will not shrink phenomenon.Together
When drying after tealeaves it is loose porous, in spongy, add and dissolve after water rapid and complete, recover immediately original shape.
4, the process of vacuum freeze-drying can exclude in tealeaves 95% to 99% moisture, and the tealeaves after drying is enable to protect for a long time
It deposits without mutagens matter.Energy long storage under room temperature, and be not required to add any preservative.
5, drying process carries out under vacuum conditions, be effectively prevented tradition dry, the dust that is formed in drying course,
The secondary pollutions problem such as dust.
6, the application tea processing system is withered to the process of tealeaves compared with traditional tea processing technology in fresh leaf
It withers, finish, after the process such as manage bar, being not required to the process such as dry by warm fire or roasting, but directly pass through low temperature speed
Freeze and freeze-drying leaf tea is made in vacuum freeze-drying.The application greatly simplifies the processing technology of traditional drying sample tea, allows tealeaves
Processing process and finished tea standardization level greatly increase, and not only increase production efficiency, and manufactured freeze-drying leaf
Tea it is fresh-keeping, protect the fragrant, characteristics such as guarantee the quality and be superior to traditional tea.
7, by the tea processing system of the application and corresponding processing technology, a kind of freeze dried and antistaled fresh leaf tea can be made,
Shape：Bar rope is straight, colorful green is bright moistens, is whole broken neat and well spaced；Its endoplasm：Fresh fragrant high lasting, the pure China Resources of flavour of fragrance, soup look
Green Clear and Bright is bright, and tea residue is neat and well spaced green bright.
According to embodiments of the present invention, a kind of tea processing system for implementing above-mentioned tea processing technique is additionally provided,
As shown in figure 3, the tea processing system includes：Fresh leaf deterioration device 1, steaming apparatus 2, manage bar device, spreading for cooling device, quick-frozen dress
3, vacuum freeze-drying apparatus 4 and disinfecting device 5 are set, the material output end and the material of steaming apparatus 2 of fresh leaf deterioration device 1 are defeated
Enter end to connect by tea leaf delivery channel, the material output end of steaming apparatus 2 passes through transmission with the material input of manage bar device
Band connection, the material output end of manage bar device is with the material input of spreading for cooling device by being driven band connection, the object of spreading for cooling device
Material output end connect by tea leaf delivery channel with the material input of quick-freezing plant 3, the material output end of quick-freezing plant 3 with very
The material input of empty freeze-drying apparatus 4 is connected by tea leaf delivery channel, and material output end and the disinfection of vacuum freeze-drying apparatus 4 are killed
The material input of bacterium device 5 is connected by tea leaf delivery channel.Fresh leaf deterioration device 1, steaming apparatus 2, quick-frozen is used successively
Device 3, vacuum freeze-drying apparatus 4 and disinfecting device 5 wither to tealeaves, are finished, is quick-frozen, at vacuum freeze-drying and sterilization
Reason, after quick-freezing plant 3, the moisture in tealeaves exists in the form of ice crystal, by vacuum freeze-drying apparatus 4 directly by ice crystal liter
Huawei's gaseous state is externally discharged, and inorganic salts soluble in water are directly precipitated, avoid using general tea treatment method and caused by
Inorganic salts are precipitated on tealeaves surface, the case where making tealeaves Surface hardened layer, reduce tealeaves mouthfeel.To realize simplified tea processing
Process, the technique effect for improving sample tea mouthfeel.
In some embodiments of the present invention, fresh leaf deterioration device 1 uses fresh leaf deteriorating machine, the work of fresh leaf deterioration device 1
Temperature is no more than 35 DEG C.
In some embodiments of the present invention, steaming apparatus 2 uses enzyme deactivating and strip sorting machine, water-removing temperature of the steaming apparatus 2 to tealeaves
Degree is 180 DEG C to 220 DEG C.Wherein preferred fixing temperature is 200 DEG C.
In some embodiments of the present invention, quick-freezing plant 3 uses low-temperature quick-freezing cabinet, and the quick freezing temperature of gearing 3 is-
50℃。
In some embodiments of the present invention, disinfecting device 5 uses ultrasonic sterilization machine.
In some embodiments of the present invention, as shown in figure 4, vacuum freeze-drying apparatus 4 includes the outer of offer vacuum refrigeration environment
Babinet 401, storing tea internal box 402, absorb the cold-trap case 403 and controller of sublimation gases, be arranged in outer case 401
There are refrigerating plant 416, internal box 402 to be arranged in outer case 401, there are ventilating ducts between internal box 402 and outer case 401
415, several ventilation holes 408 being connected to ventilating duct 415 are offered on the inner wall of internal box 402, are offered in outer case 401
Distil vent hole 410, and cold-trap case 403 is connected to by the vent hole 410 that distils with ventilating duct 415, cold-trap case 403 and vacuum means
Set 411 connections.The bottom of outer case 401 is provided with pedestal 404, and the bottom of pedestal 404 is provided with multiple support legs 414.Control
The control signal output of device 405 is electrically connected with the control terminal of the control terminal of vacuum extractor 411 and refrigerating plant 416, is passed through
Controller 405 controls the working condition of vacuum extractor 411 and refrigerating plant 416.
As shown in figure 4, vacuum freeze-drying apparatus further includes temperature sensor 413 and vacuum sensor 412, temperature sensor
413 are arranged in outer case 401, and vacuum sensor 412 is arranged in cold-trap case 403, and the detection of temperature sensor 413 is believed
The detection signal output end of number output end and vacuum sensor 412 is electrically connected with the detection signal receiving end of controller 405 respectively
It connects, by the temperature signal in temperature sensor 413 in real time acquisition vacuum freeze-drying apparatus, ensures the temperature in vacuum freeze-drying apparatus
It maintains within the scope of -48 DEG C to -50 DEG C；Acquire the pressure signal in vacuum freeze-drying apparatus in real time by vacuum sensor 412,
Ensure that the pressure in vacuum freeze-drying apparatus maintains within the scope of 1.3Pa to 13Pa.
As shown in figure 4, internal box 402 is internally provided with Multi-layer article storing plate 406, it is equipped on the bottom surface of parcel shelf 406
Ultraviolet lamp 407 for sterilization.Tealeaves is placed in 406 higher slice of each parcel shelf, improves the vacuum freeze-drying efficiency of tealeaves, together
When parcel shelf 406 on to be provided with ultraviolet light 407 can be that the tealeaves placed carries out pre-sterilizing processing on lower layer's parcel shelf 406,
Improve tea leaf quality.
As shown in Figure 4, Figure 5, the coil pipe 409 of multilayer attachment sublimation gases is provided in cold-trap case 403.Coil pipe 409 is wave
Shape wave structure is staggered between the coil pipe 409 of adjacent two layers above and below.Improve energy of attachment of the coil pipe 409 to sublimation gases
Power avoids lower layer's coil pipe 409 from blocking upper layer coil pipe 409, and reduces adhesive ability of the upper layer coil pipe 409 to sublimation gases.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of tea processing technique, which is characterized in that including step S101 to step S105：
Step S101：Processing of withering is carried out to fresh tea passes；
Step S102：Water-removing processing is carried out to tealeaves；
Step S103：Fast frozen is carried out to tealeaves；
Step S104：Frozen dried is carried out to tealeaves；
Step S105：Sterilization processing, finished product tea are carried out to tealeaves.
2. tea processing technique according to claim 1, which is characterized in that the step S102 and the step S103 it
Between, further include：
Step S201：Manage bar processing is carried out to tealeaves；
Step S202：Spreading for cooling processing is carried out to tealeaves.
3. tea processing technique according to claim 1, which is characterized in that the weight of gained tealeaves after the step S101
Mitigate 12% to 22% compared with the weight of fresh tea passes, temperature is no more than 35 DEG C in the step S101.
4. tea processing technique according to claim 1, which is characterized in that the weight of gained tealeaves after the step S102
Mitigate 15% to 25% compared with the weight of gained tealeaves after the step S101, temperature is no more than 200 in the step S102
℃。
5. tea processing technique according to claim 1, which is characterized in that carried out to tealeaves in the step S103 quick-frozen
The time of processing is no less than 4 hours, and temperature is -50 DEG C.
6. tea processing technique according to claim 1, which is characterized in that tealeaves is lyophilized in the step S104
The time of processing is no less than 24 hours, and temperature is -48 DEG C to -50 DEG C, and pressure is 1.3Pa to 13Pa.
7. a kind of tea processing system, which is characterized in that including fresh leaf deterioration device (1), steaming apparatus (2), quick-freezing plant
(3), vacuum freeze-drying apparatus (4) and disinfecting device (5), material output end and the steaming apparatus (2) of fresh leaf deterioration device (1)
Material input connection, the material output end of the steaming apparatus (2) connect with the material input of quick-freezing plant (3), institute
The material output end for stating quick-freezing plant (3) is connect with the material input of the vacuum freeze-drying apparatus (4), the vacuum freeze-drying dress
The material output end for setting (4) is connect with the material input of the disinfecting device (5).
8. vacuum freeze-drying apparatus according to claim 7, which is characterized in that the steaming apparatus (2) and the quick-frozen dress
It sets and is also disposed with manage bar device and spreading for cooling device between (3), the material input of manage bar device and the steaming apparatus (2)
Material output end connection, the material output end of the manage bar device is connect with the material input of the spreading for cooling device, described
The material output end of spreading for cooling device is connect with the material input of the quick-freezing plant (3).
9. the vacuum freeze-drying apparatus used in a kind of claim 7, which is characterized in that including：The outer of vacuum refrigeration environment is provided
Babinet (401), storing tea internal box (402) and absorb the cold-trap cases (403) of sublimation gases, on the outer case (401)
Be provided with refrigerating plant (416), internal box (402) setting in the outer case (401), the internal box (402) with
There are ventilating duct (415) between the outer case (401), offered on the inner wall of the internal box (402) several with it is described
The ventilation hole (408) of ventilating duct (415) connection, distillation vent hole (410), the cold-trap are offered on the outer case (401)
Case (403) is connected to by the distillation vent hole (410) with the ventilating duct (415), the cold-trap case (403) and vacuum means
Set (411) connection.
10. vacuum freeze-drying apparatus according to claim 9, which is characterized in that be provided with multilayer in the cold-trap case (403)
Adhere to the coil pipe (409) of sublimation gases, the coil pipe (409) is wavy shaped configuration, upper and lower two layers adjacent of coil pipe
(409) it is staggered between.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673769A (en) * | 2019-03-06 | 2019-04-26 | 福建省农业科学院茶叶研究所 | A kind of processing method of colour tea |
| CN110279008A (en) * | 2019-08-01 | 2019-09-27 | 陈水练 | A kind of manufacture craft of red kwan-yin tealeaves |
| CN113892527A (en) * | 2021-09-29 | 2022-01-07 | 福建省海峡茶文化与旅游研究院 | Tea deep processing device and production process thereof |
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| CN101301012A (en) * | 2008-06-26 | 2008-11-12 | 吕坤秋 | Tea processing and producing method |
| CN201700333U (en) * | 2010-05-13 | 2011-01-12 | 福建省安溪广福机械有限公司 | Tea freeze drier |
| CN203314010U (en) * | 2013-06-28 | 2013-12-04 | 福建春伦茶业集团有限公司 | Tea freeze-dryer |
| CN206989595U (en) * | 2017-04-12 | 2018-02-09 | 上海华济健康产业有限公司 | A kind of lycium ruthenicum vacuum freeze-drying apparatus |
| CN209031028U (en) * | 2018-04-23 | 2019-06-28 | 汪强 | Tea processing system |
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| CN109673769A (en) * | 2019-03-06 | 2019-04-26 | 福建省农业科学院茶叶研究所 | A kind of processing method of colour tea |
| CN110279008A (en) * | 2019-08-01 | 2019-09-27 | 陈水练 | A kind of manufacture craft of red kwan-yin tealeaves |
| CN113892527A (en) * | 2021-09-29 | 2022-01-07 | 福建省海峡茶文化与旅游研究院 | Tea deep processing device and production process thereof |
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