CN109122936A - A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying - Google Patents
A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying Download PDFInfo
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- CN109122936A CN109122936A CN201811024882.XA CN201811024882A CN109122936A CN 109122936 A CN109122936 A CN 109122936A CN 201811024882 A CN201811024882 A CN 201811024882A CN 109122936 A CN109122936 A CN 109122936A
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- green tea
- leaf
- vacuum
- tender leaf
- normal pressure
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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
-
- 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
- A23F3/12—Rolling or shredding tea leaves
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention discloses the machining process that a kind of green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying, it picks and controls from the first step first, avoid being picked after having dew or rain, so as not to bitter and puckery flavor and it is thin so that base of leaf moisture loss is uniform；Using microwave de-enzyming in such a way that roller fixation combines, the green tea tender leaf shape, color, soup look and tea residue after water-removing are all relatively good, and the vitamin C, tea polyphenols, caffeine and the chlorophyll that contain are all very high；Then it is rubbed using segmented mode progress is cold, improves green tea quality, improve knead efficiency；Drying mode of the vacuum in conjunction with Atmospheric Phase is finally used, avoids chlorophyll that de-magnesium reaction occurs；High temperature drying can make tea aroma raising, further promote the overall quality of green tea tender leaf.The all achievable mechanically actuateds of the series of process step of green tea tender leaf processing of the present invention, working efficiency stability and high efficiency, the tea leaf quality after processing is high, while improving tea processing integral level.
Description
Technical field
The present invention relates to tea processing technical field more particularly to a kind of green tea tender leaf roller microwave de-enzymings and vacuum normal pressure
The machining process that composite drying combines.
Background technique
The source area of tea tree is China, and tealeaves is utilized in China very early, has very long production history.
The Area distribution that tealeaves is planted in China is boundless, is the Chan Cha big country to come into reality.And tea as the world today three
First of big beverage (tea, coffee, cocoa), contain more than 450 kinds of organic chemical compositions and more than 40 kinds of inorganic mineral members
Element has great influence to the health of people.With the development of science and technology with the raising of people's quality of the life, with tealeaves
Just becoming people's daily need for the healthy beverage product of raw material and increasingly increasing.Green tea refer to using the young leaves of tea tree or bud as
Raw material, do not pass through zymotechnique and other typical tea-manufacturing technologies such as directly finished, rub, dry made by tea
Leaf product.As Tea Production and consumption big country, increasingly keen competition is faced, guarantees life while tea leaf quality improves
Produce the task of top priority that efficiency is tea making enterprise, therefore to change current China in terms of tea processing and state
Outer similar product needs to carry out tea processing technology to study and on this basis to tea processing compared to more backward status
Machinery optimizes, and can shorten and be of great immediate significance with external gap for enterprise's creation economic benefit.
As the important link of Tea Production, processing is always the most important thing of Tea Production.However, machine for processing tea
The production of equipment is but always the production of extensive style, unstable during processing, restricts the raising of tea processing level.China's tea
Leaf processing equipment is mainly manifested in unstability, the temperature control of green-keeping machine compared with still there is certain difference on foreign technology
Poor, machine pressure adjusts unstable.In order to realizing the Fully-mechanized of Green Tea Processing, it is poly- need to some treatment process into
Row is corresponding modified.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of green tea tender leaf roller microwave de-enzyming and true
The machining process that empty normal pressure composite drying combines.
The present invention is achieved by the following technical solutions:
A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying, including following tool
Body step:
(1) complete, fresh by picked by hand, the tealeaves of pest and disease damage, tealeaves then do not gone to obstruct, and does not carry foreign matter secretly, with clear
Water clean tealeaves after be placed on the sunny side ventilation air-dry surface moisture, control leaf thickness degree be no more than 8cm, stir halfway 2-3 times with
Heat dissipation and aproll vapour, until the slight atrophy of blade surface；
(2) by step (1), treated that tealeaves is put into microwave de-enzyming machine, controls certain microwave power and delivery amount, kills
It is drawn off, is sent into roller fixation machine after 1.5-2 minutes green, the inventory for controlling tealeaves is 150-200kg/h, when cylinder height
Temperature place is pico- general red, when barrel temperature is up to 400 DEG C or so, can start conveyer belt and send leaf, from leaf is thrown to the general 2-3 of the whole process of leaf out
Minute, complete water-removing process；
(3) rolling machine that different cultivars is selected according to delivery amount, controls revolving speed 45-55r/min, is carried out first using room temperature without pressure
5min or so is rubbed, 10-20min is then rubbed under light pressure, finally twists 5min without kneadding again, deblock sub-sieve after rubbing；
(4) the green tea tender leaf after rubbing is put into vacuum oven, certain vacuum pressure, at a temperature of dry 10min, take
It is put into after out in electric drying oven with forced convection under normal pressure with the dry 20min of 110 DEG C or so of temperature, is packed after being finally cooled to room temperature
Packaging.
A kind of machining process that green tea tender leaf roller fixation is combined with vacuum normal pressure composite drying, step (1) institute
The picked by hand stated, picking should not after having dew or rain, in order to avoid bitter and puckery flavor and it is thin, zoom is easy when water-removing.
A kind of machining process that green tea tender leaf roller fixation is combined with vacuum normal pressure composite drying, step (2) institute
The control stated certain microwave power and delivery amount, specially control the power of 10kW, the throwing leaf amount of 0.5kg/min.
A kind of machining process that green tea tender leaf roller fixation is combined with vacuum normal pressure composite drying, step (2) institute
The barrel diameter 60-80cm for the roller fixation machine stated, tube length 400-450cm, revolving speed 27-28r/min.
A kind of machining process that green tea tender leaf roller fixation is combined with vacuum normal pressure composite drying, step (3) institute
The rolling machine stated is 6CR-40 type or 45 types, and it is 15kg/ barrels or so that 45 type rolling machines, which throw leaf amount, and 55 type rolling machines throwing leaf amount is
35kg/ barrels or so.
A kind of machining process that green tea tender leaf roller fixation is combined with vacuum normal pressure composite drying, step (4) institute
State certain vacuum pressure, at a temperature of dry 10min, in particular under the vacuum of 0.008MPa, done at 80 DEG C of temperature control
It is dry.
It is controlled the invention has the advantages that the present invention is picked from the first step first, avoids being picked after having dew or rain,
In order to avoid bitter and puckery flavor and it is thin, zoom is easy when water-removing, rationally the control booth green time, so that base of leaf moisture loss is uniform；Using
The mode that microwave de-enzyming is combined with roller fixation, the green tea tender leaf shape, color, soup look and tea residue after water-removing are all relatively good,
And vitamin C, tea polyphenols, caffeine and the chlorophyll contained is all very high, while comparing than single water-removing mode, overcomes
It is difficult to the defect of enzymatic activity in Rapid deactivation fresh leaf, reduces cost, shortens the time, increases economic efficiency；Then segmentation side is used
Formula progress is cold to rub, and improves green tea quality, and the rolling machine of different model is used according to different demands, improves knead efficiency, drops
Low labor intensity；Drying mode of the vacuum in conjunction with Atmospheric Phase is finally used, cryogenic vacuum can make tealeaves scatter and disappear a part of water
Point, and the vapor generated in hothouse can be extracted in time, avoid chlorophyll that de-magnesium reaction occurs, to guarantee the color of green profit
Pool；High temperature drying can make tea aroma raising, further promote the overall quality of green tea tender leaf.One system of green tea tender leaf processing of the present invention
The all achievable mechanically actuateds of column processing step, working efficiency stability and high efficiency, the tea leaf quality after processing is high, improves economic effect
Tea processing integral level is improved while beneficial.
Specific embodiment
A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying, including with
Lower specific steps:
(1) complete, fresh by picked by hand, the not no tealeaves of pest and disease damage, picking should not be after having dew or rain, in order to avoid bitter
It is puckery and thin, it is easy zoom when water-removing, then goes to obstruct by tealeaves, does not carry foreign matter secretly, be placed on after cleaning tealeaves with clear water and lead on the sunny side
Surface moisture is air-dried at wind, control leaf thickness degree is no more than 8cm, stirs 2 times halfway with heat dissipation and aproll vapour, until blade surface
Slight atrophy；
(2) by step (1), treated that tealeaves is put into microwave de-enzyming machine, controls the power of 10kW, the throwing leaf of 0.5kg/min
Amount, water-removing are drawn off after 1.5 minutes, are sent into roller fixation machine, wherein barrel diameter 60cm, tube length 400cm, revolving speed 27r/
Min, the inventory for controlling tealeaves is 150kg/h, pico- general red at cylinder high temperature, when barrel temperature is up to 400 DEG C or so
It starts conveyer belt and send leaf, it is general 2 minutes whole to leaf out from leaf is thrown, complete water-removing process；
(3) rolling machine that different cultivars is selected according to delivery amount, controls revolving speed 45r/min, is rubbed first using room temperature without pressure
5min or so is twisted, 10min is then rubbed under light pressure, finally twists 5min without kneadding again, deblock sub-sieve after rubbing；
(4) the green tea tender leaf after rubbing is put into vacuum oven, dry at 80 DEG C of temperature control under the vacuum of 0.008MPa
10min is put into electric drying oven with forced convection under normal pressure with the dry 20min of 110 DEG C or so of temperature after taking-up, is finally cooled to room
Packaging is packed after temperature.
A kind of machining process that green tea tender leaf roller fixation is combined with vacuum normal pressure composite drying, step (3) institute
The rolling machine stated is 6CR type or 45 types, and it is 15kg/ barrels or so that 45 type rolling machines, which throw leaf amount, and 55 type rolling machines throwing leaf amount is
35kg/ barrels or so.
Claims (6)
1. the machining process that a kind of green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying, feature exist
In, comprising the following specific steps
(1) complete, fresh by picked by hand, the tealeaves of pest and disease damage, tealeaves then do not gone to obstruct, and does not carry foreign matter secretly, with clear
Water clean tealeaves after be placed on the sunny side ventilation air-dry surface moisture, control leaf thickness degree be no more than 8cm, stir halfway 2-3 times with
Heat dissipation and aproll vapour, until the slight atrophy of blade surface；
(2) by step (1), treated that tealeaves is put into microwave de-enzyming machine, controls certain microwave power and delivery amount, kills
It is drawn off, is sent into roller fixation machine after 1.5-2 minutes green, the inventory for controlling tealeaves is 150-200kg/h, when cylinder height
Temperature place is pico- general red, when barrel temperature is up to 400 DEG C or so, can start conveyer belt and send leaf, from leaf is thrown to the general 2-3 of the whole process of leaf out
Minute, complete water-removing process；
(3) rolling machine that different cultivars is selected according to delivery amount, controls revolving speed 45-55r/min, is carried out first using room temperature without pressure
5min or so is rubbed, 10-20min is then rubbed under light pressure, finally twists 5min without kneadding again, deblock sub-sieve after rubbing；
(4) the green tea tender leaf after rubbing is put into vacuum oven, certain vacuum pressure, at a temperature of dry 10min, take
It is put into after out in electric drying oven with forced convection under normal pressure with the dry 20min of 110 DEG C or so of temperature, is packed after being finally cooled to room temperature
Packaging.
2. a kind of green tea tender leaf roller fixation according to claim 1 adds with the machinery that vacuum normal pressure composite drying combines
Work method, which is characterized in that picked by hand described in step (1), picking should not after having dew or rain, in order to avoid bitter and puckery flavor and it is light
It is thin, zoom is easy when water-removing.
3. a kind of green tea tender leaf roller fixation according to claim 1 adds with the machinery that vacuum normal pressure composite drying combines
Work method, which is characterized in that certain microwave power and delivery amount are controlled described in step (2), specially control 10kW's
Power, the throwing leaf amount of 0.5kg/min.
4. a kind of green tea tender leaf roller fixation according to claim 1 adds with the machinery that vacuum normal pressure composite drying combines
Work method, which is characterized in that the barrel diameter 60-80cm of roller fixation machine described in step (2), tube length 400-450cm, revolving speed
27-28r/min。
5. a kind of green tea tender leaf roller fixation according to claim 1 adds with the machinery that vacuum normal pressure composite drying combines
Work method, which is characterized in that rolling machine described in step (3) is 6CR-40 type or 45 types, and it is 15kg/ that 45 type rolling machines, which throw leaf amount,
Bucket or so, and it is 35kg/ barrels or so that 55 type rolling machines, which throw leaf amount,.
6. a kind of green tea tender leaf roller fixation according to claim 1 adds with the machinery that vacuum normal pressure composite drying combines
Work method, which is characterized in that described in step (4) certain vacuum pressure, at a temperature of dry 10min, in particular to
It is dry at 80 DEG C of temperature control under the vacuum of 0.008MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024882.XA CN109122936A (en) | 2018-09-04 | 2018-09-04 | A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024882.XA CN109122936A (en) | 2018-09-04 | 2018-09-04 | A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying |
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| Publication Number | Publication Date |
|---|---|
| CN109122936A true CN109122936A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811024882.XA Pending CN109122936A (en) | 2018-09-04 | 2018-09-04 | A kind of machining process that green tea tender leaf roller microwave de-enzyming is combined with vacuum normal pressure composite drying |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102232435A (en) * | 2011-07-29 | 2011-11-09 | 成都市碧涛茶业有限公司 | Method for processing strip green tea |
| CN102273525A (en) * | 2011-08-12 | 2011-12-14 | 兴义市绿茗茶业有限责任公司 | Process for producing green tea |
| CN102488035A (en) * | 2011-12-26 | 2012-06-13 | 段丹莉 | Green tea processing technology |
| CN102987033A (en) * | 2012-12-28 | 2013-03-27 | 广西桂人堂金花茶产业集团股份有限公司 | Method for processing golden camellia purple bud green tea |
| CN105815496A (en) * | 2016-04-27 | 2016-08-03 | 安徽省上行山茶叶有限公司 | Autumn mint flavor green tea and preparation method thereof |
| CN106561846A (en) * | 2016-08-31 | 2017-04-19 | 四川峰顶寺茶业有限公司 | Processing technology for spiral green tea |
| CN108402210A (en) * | 2018-05-30 | 2018-08-17 | 广西正道茶业有限公司 | A kind of preparation method of veteran green tea |
-
2018
- 2018-09-04 CN CN201811024882.XA patent/CN109122936A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102232435A (en) * | 2011-07-29 | 2011-11-09 | 成都市碧涛茶业有限公司 | Method for processing strip green tea |
| CN102273525A (en) * | 2011-08-12 | 2011-12-14 | 兴义市绿茗茶业有限责任公司 | Process for producing green tea |
| CN102488035A (en) * | 2011-12-26 | 2012-06-13 | 段丹莉 | Green tea processing technology |
| CN102987033A (en) * | 2012-12-28 | 2013-03-27 | 广西桂人堂金花茶产业集团股份有限公司 | Method for processing golden camellia purple bud green tea |
| CN105815496A (en) * | 2016-04-27 | 2016-08-03 | 安徽省上行山茶叶有限公司 | Autumn mint flavor green tea and preparation method thereof |
| CN106561846A (en) * | 2016-08-31 | 2017-04-19 | 四川峰顶寺茶业有限公司 | Processing technology for spiral green tea |
| CN108402210A (en) * | 2018-05-30 | 2018-08-17 | 广西正道茶业有限公司 | A kind of preparation method of veteran green tea |
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Application publication date: 20190104 |