CN104255966A - Method for processing Guizhou chestnut-fragrance flat green tea - Google Patents
Method for processing Guizhou chestnut-fragrance flat green tea Download PDFInfo
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Abstract
The invention relates to a method for processing green tea, in particular to a method for processing Guizhou chestnut-fragrance flat green tea. The method comprises the following steps: (1) withering tea green; (2) moving the water and settling the strips step by step; (3) automatically sequencing; (4) continuously flattening to shape; (5) drying step by step; (6) screening; (7) highlighting the fragrance. The Guizhou chestnut-fragrance flat green tea produced by using the method provided by the invention is flat, straight and uniform in appearance, emerald green in color, long-lasting in fragrance, fresh, mellow and sweet in taste. On-scale, automatic and continuous processing production of the Guizhou chestnut-fragrance flat green tea is achieved, the cleaning degree is high, the working intensity is greatly alleviated, the production efficiency is improved, the production cost is lowered, and the product quality is improved.
Description
Technical field
The present invention relates to a kind of processing method of green tea, be specifically related to the processing method of a kind of Guizhou Li Xiang flat green tea.
Background technology
Guizhou Li Xiang flat green tea is flat neat and well spaced with the profile of its uniqueness, and color and luster is emerald green, fragrance delicate fragrance is lasting, the fresh alcohol of flavour, in tea products, have consequence, the dark welcome by consumers in general.Traditional Guizhou Li Xiang flat green tea adopts manual frying mostly, and the Guizhou Li Xiang flat green tea quality of processing is uneven, seriously constrains the sound development of Guizhou Li Xiang flat green tea industry.In recent years, Guizhou Li Xiang flat green tea also brings into use machine for processing tea to process, but be single function manufacturing machine of a certain operation mostly, lack complete complete Guizhou Li Xiang flat green tea automated production complete set of equipments, seriously constrain the sound development of Guizhou Li Xiang flat green tea leaf industry.Existing Guizhou Li Xiang flat green tea process technology, take high temperature roller fixation, high temperature carding machine to manage bar, add rod and flatten the processes such as shaping and high temperature frying Titian and form, its production line all not exclusively continuously, in addition mode of heating is main mainly with metal heat transfer, temperature should not control, often easily cause the burnt limit of tealeaves, sudden and violent point, disconnected broken, dry dark brown pool is partially yellow, fragrance band height pyrogene Chinese chestnut odor type, have a strong impact on Guizhou Li Xiang flat green tea quality, and finally affect the development of Guizhou Li Xiang flat green tea tea industry.
Summary of the invention
The present invention for solve during current Guizhou Li Xiang flat green tea is produced exist processing link dispersion, product quality uneven, produce and clean low, process equipment and waste of human resource problem, thus provide a kind of applicable large-scale production, automation continuously and the degree that cleans is high, the processing method of a kind of Guizhou Li Xiang flat green tea of good product quality.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A processing method for Guizhou Li Xiang flat green tea, comprises the following steps: 1. dark brownish greenly wither; 2. ladder enzyme deactivating and strip sorting; 3. automatic queuing; 4. shaping is flattened continuously; 5. substep is dry; 6. sieve; 7. Titian;
Described dark brownish green withering is: spread in withering trough by dark brownish green after classification, spread thickness 3 ~ 5cm, spread time 4 ~ 9h, natural wind is blown 2 ~ 3 times in centre, each blow-time 30min, and dark brownish green moisture content is 70 ~ 75%;
Described ladder enzyme deactivating and strip sorting is: be dark brownish greenly evenly transported in ladder enzyme deactivating and strip sorting machine by fresh leaf weighing balance by what withered, carry out enzyme deactivating and strip sorting, enzyme deactivating and strip sorting machine is all with automatic humidity-discharging device, fine day dark brownish green throwing leaf amount 0.75 jin/min, rainy day dark brownish green throwing leaf amount 0.65 jin/min, carrying out first time enzyme deactivating and strip sorting temperature is 160 ~ 180 DEG C, time is 30 ~ 35s, again in automatic transport to the second enzyme deactivating and strip sorting machine, carrying out second time enzyme deactivating and strip sorting temperature is 80 ~ 100 DEG C, time is 40 ~ 45s, last automatic transport is to carrying out in the 3rd enzyme deactivating and strip sorting machine, carrying out third time enzyme deactivating and strip sorting temperature is 50 ~ 60 DEG C, time is 70 ~ 75s, water-removing leaves moisture content is 40 ~ 45%,
Described automatic queuing is: the water-removing leaves automatic transport after completing is carried out automatic queuing's process to queue machine, makes the even flat raft of its tealeaves, and queue machine temperature is 50 ~ 60 DEG C, and queuing time is 80 ~ 85s;
Described continuous flattening shaping is: carry out flattening shaping by tealeaves automatic transport to continuous flatting mill, continuous flatting mill is all with automatic humidity-discharging device, flattening shaping temperature is 130 ~ 140 DEG C, and flattening the shaping time is 240 ~ 270s, and shaping tealeaves moisture content is 30 ~ 35%;
Described substep drying is: it is dry that tealeaves automatic transport shaping completed carries out substep in drying machine, drying machine is all with automatic humidity-discharging device, baking temperature is 140 ~ 150 DEG C for the first time, time is 80 ~ 90s, second time baking temperature is 110 ~ 120 DEG C, time is 90 ~ 100s, and tealeaves moisture content is 7 ~ 9%;
Described screening is: tealeaves automatic transport drying terminated is to vibration sub-sieve groove, and sieve diameter is 1cm, removing tea dust;
Described Titian is: the tealeaves automatic transport after screening is carried out Titian to fragrance extracting machine, and Titian temperature is 115 ~ 125 DEG C, and the Titian time is 60 ~ 75s, and tealeaves moisture content is 4.5 ~ 5.5%.
Described step 2. ladder enzyme deactivating and strip sorting, the 4. mode of heating flattened continuously in shaping, 5. substep drying, 7. Titian is Heated by Far-Infrared Radiation.
Adopt technique scheme beneficial effect to be: present invention efficiently solves current Guizhou Li Xiang flat green tea produce the processing link dispersion, the product quality that exist uneven, produce and clean low, process equipment and waste of human resource problem; achieve Guizhou Li Xiang flat green tea scale, automation Continuous maching is produced, it is high to clean degree; greatly reduce labour intensity; improve production efficiency; reduce production cost, improve the quality of product.It is flat straight, neat and well spaced that the Guizhou Li Xiang flat green tea that the inventive method is produced has profile, and color and luster is emerald green, fragrance delicate fragrance is lasting, the fresh alcohol of flavour returns sweet.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the processing method of a kind of Guizhou of the present invention Li Xiang flat green tea.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation:
Embodiment 1:
A processing method for Guizhou Li Xiang flat green tea, comprises the steps:
1) dark brownish greenly to wither: spread in withering trough by dark brownish green after classification, spread thickness 4cm, spread time 6h, natural wind is blown 2 times in centre, each blow-time 30min, and dark brownish green moisture content is 73%, and dark brownish green leaf stalk is slightly soft, and green grass gas disappears, and delicate fragrance appears is advisable;
2) ladder enzyme deactivating and strip sorting: the dark brownish green of appropriateness is evenly transported in ladder enzyme deactivating and strip sorting machine by fresh leaf weighing balance by withering, carry out enzyme deactivating and strip sorting, described ladder enzyme deactivating and strip sorting machine is all with automatic humidity-discharging device, dark brownish green throwing leaf amount 0.75 jin/min, carrying out first time enzyme deactivating and strip sorting temperature is 170 DEG C, time is 32s, again in automatic transport to the second enzyme deactivating and strip sorting machine, carrying out second time enzyme deactivating and strip sorting temperature is 90 DEG C, time is 43s, last automatic transport is to carrying out in the 3rd enzyme deactivating and strip sorting machine, carrying out third time enzyme deactivating and strip sorting temperature is 55 DEG C, time is 72s, water-removing leaves moisture content is 42%, water-removing leaves is pinched slightly firmly and not broken with hand and is with dark green being advisable,
3) automatic queuing: the water-removing leaves automatic transport after completing is carried out automatic queuing's process to queue machine, makes the even flat raft of its tealeaves, and queue machine temperature is 60 DEG C, and queuing time is 80s;
4) shaping is flattened continuously: carry out flattening shaping by tealeaves automatic transport to continuous flatting mill, described continuous flatting mill is all with automatic humidity-discharging device, flattening shaping temperature is 135 DEG C, flattening the shaping time is 255s, shaping tealeaves moisture content is 30%, tealeaves is pinched firmly with hand, folding constantly and to be aobviously dark greenly advisable;
5) substep is dry: it is dry that tealeaves automatic transport shaping completed carries out substep in drying machine, described drying machine is all with automatic humidity-discharging device, baking temperature is 140 DEG C for the first time, time is 90s, second time baking temperature is 120 DEG C, time is 90s, and tealeaves moisture content is 8%, and tealeaves pinches frangible, folding and disconnected and to be aobviously emerald greenly advisable with hand;
6) sieve: tealeaves automatic transport drying terminated is to vibration sub-sieve groove, and sieve diameter is 1cm, removing tea dust;
7) Titian: the tealeaves automatic transport after screening is carried out Titian to fragrance extracting machine, and Titian temperature is 115 DEG C, and the Titian time is 75s, and tealeaves moisture content is 4.5%, tealeaves with hand pinch powdered, folding and break, the emerald green and fragrance delicate fragrance of color and luster shows and is advisable.
Embodiment 2:
A processing method for Guizhou Li Xiang flat green tea, comprises the steps:
1) dark brownish greenly to wither: spread in withering trough by dark brownish green after classification, spread thickness 5cm, spread time 9h, natural wind is blown 3 times in centre, each blow-time 30min, and dark brownish green moisture content is 70%, and dark brownish green leaf stalk is slightly soft, and green grass gas disappears, and delicate fragrance appears is advisable;
2) ladder enzyme deactivating and strip sorting: the dark brownish green of appropriateness is evenly transported in ladder enzyme deactivating and strip sorting machine by fresh leaf weighing balance by withering, carry out enzyme deactivating and strip sorting, described ladder enzyme deactivating and strip sorting machine is all with automatic humidity-discharging device, dark brownish green throwing leaf amount 0.75 jin/min, carrying out first time enzyme deactivating and strip sorting temperature is 160 DEG C, time is 35s, again in automatic transport to the second enzyme deactivating and strip sorting machine, carrying out second time enzyme deactivating and strip sorting temperature is 80 DEG C, time is 45s, last automatic transport is to carrying out in the 3rd enzyme deactivating and strip sorting machine, carrying out third time enzyme deactivating and strip sorting temperature is 50 DEG C, time is 75s, water-removing leaves moisture content is 45%, water-removing leaves is pinched slightly firmly and not broken with hand and is with dark green being advisable,
3) automatic queuing: the water-removing leaves automatic transport after completing is carried out automatic queuing's process to queue machine, makes the even flat raft of its tealeaves, and queue machine temperature is 55 DEG C, and queuing time is 82s;
4) shaping is flattened continuously: carry out flattening shaping by tealeaves automatic transport to continuous flatting mill, described continuous flatting mill is all with automatic humidity-discharging device, flattening shaping temperature is 140 DEG C, flattening the shaping time is 240s, shaping tealeaves moisture content is 35%, tealeaves is pinched firmly with hand, folding constantly and to be aobviously dark greenly advisable;
5) substep is dry: it is dry that tealeaves automatic transport shaping completed carries out substep in drying machine, described drying machine is all with automatic humidity-discharging device, baking temperature is 145 DEG C for the first time, time is 85s, second time baking temperature is 115 DEG C, time is 95s, and tealeaves moisture content is 9%, and tealeaves pinches frangible, folding and disconnected and to be aobviously emerald greenly advisable with hand;
6) sieve: tealeaves automatic transport drying terminated is to vibration sub-sieve groove, and sieve diameter is 1cm, removing tea dust;
7) Titian: the tealeaves automatic transport after screening is carried out Titian to fragrance extracting machine, and Titian temperature is 125 DEG C, and the Titian time is 60s, and tealeaves moisture content is 5%, tealeaves with hand pinch powdered, folding and break, the emerald green and fragrance delicate fragrance of color and luster shows and is advisable.
Embodiment 3:
A processing method for Guizhou Li Xiang flat green tea, comprises the steps:
1) dark brownish greenly to wither: spread in withering trough by dark brownish green after classification, spread thickness 3cm, spread time 4h, natural wind is blown 3 times in centre, each blow-time 30min, and dark brownish green moisture content is 75%, and dark brownish green leaf stalk is slightly soft, and green grass gas disappears, and delicate fragrance appears is advisable;
2) ladder enzyme deactivating and strip sorting: the dark brownish green of appropriateness is evenly transported in ladder enzyme deactivating and strip sorting machine by fresh leaf weighing balance by withering, carry out enzyme deactivating and strip sorting, described ladder enzyme deactivating and strip sorting machine is all with automatic humidity-discharging device, dark brownish green throwing leaf amount 0.75 jin/min, carrying out first time enzyme deactivating and strip sorting temperature is 180 DEG C, time is 30s, again in automatic transport to the second enzyme deactivating and strip sorting machine, carrying out second time enzyme deactivating and strip sorting temperature is 100 DEG C, time is 40s, last automatic transport is to carrying out in the 3rd enzyme deactivating and strip sorting machine, carrying out third time enzyme deactivating and strip sorting temperature is 60 DEG C, time is 70s, water-removing leaves moisture content is 42%, water-removing leaves is pinched slightly firmly and not broken with hand and is with dark green being advisable,
3) automatic queuing: the water-removing leaves automatic transport after completing is carried out automatic queuing's process to queue machine, makes the even flat raft of its tealeaves, and queue machine temperature is 50 DEG C, and queuing time is 85s;
4) shaping is flattened continuously: carry out flattening shaping by tealeaves automatic transport to continuous flatting mill, described continuous flatting mill is all with automatic humidity-discharging device, flattening shaping temperature is 130 DEG C, flattening the shaping time is 270s, shaping tealeaves moisture content is 33%, tealeaves is pinched firmly with hand, folding constantly and to be aobviously dark greenly advisable;
5) substep is dry: it is dry that tealeaves automatic transport shaping completed carries out substep in drying machine, described drying machine is all with automatic humidity-discharging device, baking temperature is 150 DEG C for the first time, time is 80s, second time baking temperature is 110 DEG C, time is 100s, and tealeaves moisture content is 7%, and tealeaves pinches frangible, folding and disconnected and to be aobviously emerald greenly advisable with hand;
6) sieve: tealeaves automatic transport drying terminated is to vibration sub-sieve groove, and sieve diameter is 1cm, removing tea dust;
7) Titian: the tealeaves automatic transport after screening is carried out Titian to fragrance extracting machine, and Titian temperature is 120 DEG C, and the Titian time is 65s, and tealeaves moisture content is 5.5%, tealeaves with hand pinch powdered, folding and break, the emerald green and fragrance delicate fragrance of color and luster shows and is advisable.
The Guizhou Li Xiang flat green tea of the production method of the technical program processing is adopted to have following features:
(1) product: the profile that becomes to sample tea is flat straight, neat and well spaced, and color and luster is emerald green, fragrance delicate fragrance is lasting, the fresh alcohol of flavour returns sweet, soup look limpid is bright, shows excellent qualitative characteristics.
(2) the Guizhou Li Xiang flat green tea of this method processing and the Guizhou Li Xiang flat green tea organoleptic quality comparative result processed of prior art are as following table:
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (2)
1. a processing method for Guizhou Li Xiang flat green tea, is characterized in that, comprises the following steps: 1. dark brownish greenly wither; 2. ladder enzyme deactivating and strip sorting; 3. automatic queuing; 4. shaping is flattened continuously; 5. substep is dry; 6. sieve; 7. Titian;
Described dark brownish green withering is: spread in withering trough by dark brownish green after classification, spread thickness 3 ~ 5cm, spread time 4 ~ 9h, natural wind is blown 2 ~ 3 times in centre, each blow-time 30min, and dark brownish green moisture content is 70 ~ 75%;
Described ladder enzyme deactivating and strip sorting is: be dark brownish greenly evenly transported in ladder enzyme deactivating and strip sorting machine by fresh leaf weighing balance by what withered, carry out enzyme deactivating and strip sorting, enzyme deactivating and strip sorting machine is all with automatic humidity-discharging device, fine day dark brownish green throwing leaf amount 0.75 jin/min, rainy day dark brownish green throwing leaf amount 0.65 jin/min, carrying out first time enzyme deactivating and strip sorting temperature is 160 ~ 180 DEG C, time is 30 ~ 35s, again in automatic transport to the second enzyme deactivating and strip sorting machine, carrying out second time enzyme deactivating and strip sorting temperature is 80 ~ 100 DEG C, time is 40 ~ 45s, last automatic transport is to carrying out in the 3rd enzyme deactivating and strip sorting machine, carrying out third time enzyme deactivating and strip sorting temperature is 50 ~ 60 DEG C, time is 70 ~ 75s, water-removing leaves moisture content is 40 ~ 45%,
Described automatic queuing is: the water-removing leaves automatic transport after completing is carried out automatic queuing's process to queue machine, makes the even flat raft of its tealeaves, and queue machine temperature is 50 ~ 60 DEG C, and queuing time is 80 ~ 85s;
Described continuous flattening shaping is: carry out flattening shaping by tealeaves automatic transport to continuous flatting mill, continuous flatting mill is all with automatic humidity-discharging device, flattening shaping temperature is 130 ~ 140 DEG C, and flattening the shaping time is 240 ~ 270s, and shaping tealeaves moisture content is 30 ~ 35%;
Described substep drying is: it is dry that tealeaves automatic transport shaping completed carries out substep in drying machine, drying machine is all with automatic humidity-discharging device, baking temperature is 140 ~ 150 DEG C for the first time, time is 80 ~ 90s, second time baking temperature is 110 ~ 120 DEG C, time is 90 ~ 100s, and tealeaves moisture content is 7 ~ 9%;
Described screening is: tealeaves automatic transport drying terminated is to vibration sub-sieve groove, and sieve diameter is 1cm, removing tea dust;
Described Titian is: the tealeaves automatic transport after screening is carried out Titian to fragrance extracting machine, and Titian temperature is 115 ~ 125 DEG C, and the Titian time is 60 ~ 75s, and tealeaves moisture content is 4.5 ~ 5.5%.
2. the processing method of a kind of Guizhou according to claim 1 Li Xiang flat green tea, is characterized in that, described step 2. ladder enzyme deactivating and strip sorting, the 4. mode of heating flattened continuously in shaping, 5. substep drying, 7. Titian is Heated by Far-Infrared Radiation.
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| CN106306130A (en) * | 2016-08-22 | 2017-01-11 | 操长安 | Green tea processing technology |
| CN107114501A (en) * | 2017-06-23 | 2017-09-01 | 贵州安顺春来茶业有限公司 | A kind of Li Xiangcha processing method |
| CN107125347A (en) * | 2017-06-23 | 2017-09-05 | 贵州安顺春来茶业有限公司 | A kind of green tea refinedization processing method |
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| CN111202143A (en) * | 2020-02-27 | 2020-05-29 | 池州天龙创野生态农业发展有限公司 | Preparation method of Guichi emerald green tea |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105767271A (en) * | 2016-03-29 | 2016-07-20 | 贵州省黎平县侗乡媛茶厂 | Processing method of green tea |
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| CN107114501A (en) * | 2017-06-23 | 2017-09-01 | 贵州安顺春来茶业有限公司 | A kind of Li Xiangcha processing method |
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| CN109042947A (en) * | 2018-08-18 | 2018-12-21 | 芜湖市春满壶茶业有限公司 | A kind of preparation process of green tea |
| CN111202143A (en) * | 2020-02-27 | 2020-05-29 | 池州天龙创野生态农业发展有限公司 | Preparation method of Guichi emerald green tea |
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Effective date of registration: 20221223 Address after: 550000 Jinnong community, Xiaohe District, Guiyang City, Guizhou Province Patentee after: GUIZHOU TEA Research Institute Patentee after: LIXIANG TEA Co.,Ltd. Address before: 564100 Green Food Industrial Park, Meitan County, Zunyi City, Guizhou Province Patentee before: LIXIANG TEA Co.,Ltd. |