CN112471281A - White tea production process and device thereof - Google Patents
White tea production process and device thereof Download PDFInfo
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- CN112471281A CN112471281A CN202011524363.7A CN202011524363A CN112471281A CN 112471281 A CN112471281 A CN 112471281A CN 202011524363 A CN202011524363 A CN 202011524363A CN 112471281 A CN112471281 A CN 112471281A
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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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- 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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Abstract
The invention discloses a white tea production process and a device thereof, wherein the white tea production process comprises the following steps: picking, spreading, treating with lytic enzyme, scalding, deactivating enzyme for several times, carding, and drying. The white tea production device comprises a base, a movable base, a drying cylinder and a motor assembly; a bracket is arranged on the drying cylinder; the bracket is provided with a hot air assembly; a plurality of drying discs are arranged in the drying cylinder. The invention provides a white tea production process and a device thereof, provides a scientific and effective white tea processing method, and effectively converts and extracts various components in tea through a plurality of steps of water removing, carding and drying for a plurality of times, thereby improving the quality of the tea; when the tea leaves are spread for green tea in the environment of moderate temperature and humidity (30 ℃/65 percent RH), the enzyme activity is quickly improved, and the tea aroma quality is optimal. The setting is by motor element driven stoving dish, and tealeaves rotates and dries to carry hot-air through the continuous circulation of hot-blast subassembly, can also take away the moisture fast when drying comprehensively, white tea leaf's stoving effect is better.
Description
Technical Field
The invention relates to white tea production and processing, in particular to a white tea production process and a white tea production device.
Background
In the 21 st century of advocating nature and health, white tea is more and more popular to consumers in the form of green and healthy image. In recent years, the research field of tea leaves is widened continuously, the research level is deepened continuously, and the three-reducing three-resisting effect (blood pressure reducing, blood fat reducing, blood sugar reducing, radiation resisting, tumor resisting and oxidation resisting) of the white tea is proved to be more remarkable than that of any tea leaves. White tea is considered to be the tea with the most development potential in the coming years as the consumer population in europe, southeast asia, america and other countries and regions is larger.
At present, there are few reports on the processing of white tea, but there are few contents on how to improve the quality of the final product in the processing process of white tea. With the improvement of living standard, the requirements of people on white tea are higher and higher, and the traditional white tea processing technology which is simple in knowledge can not fully exert the nutrient substances of the white tea, has relatively common taste and can not meet the higher requirements of modern people. In addition, the existing dryer for processing the white tea is dried by adopting the heater arranged at the top, the temperature in the dryer is inconsistent up and down in the actual drying process, so that the drying condition of the white tea is inconsistent, the drying quality of the white tea is unstable, the drying efficiency is influenced, and meanwhile, the quality is unqualified due to insufficient drying, and the economic benefit is influenced.
Therefore, the traditional white tea production and processing method has the problems that the processing is simple, the requirements of modern people cannot be met, and the drying effect of the adopted dryer is poor, so that the economic benefit is influenced.
Disclosure of Invention
The invention aims to provide a white tea production process and a white tea production device. The white tea produced by the method can meet the requirements of modern people, and the drying effect of the drying device is relatively better, so that the economic benefit is improved.
The technical scheme of the invention is as follows:
the white tea production process comprises the following steps:
A. picking: picking fresh tea tree leaves with single leaf to one bud and one leaf and/or one bud and two leaves as raw materials to obtain a product a;
B. spreading green: uniformly spreading the product a on a bamboo plaque, putting the bamboo plaque on a spread cooling rack, and putting the spread cooling rack at an air circulation position to avoid sunlight irradiation to obtain a product b; the green spreading temperature is 30 ℃, the humidity is 65% RH, the green spreading time is 6-12 hours, and the green spreading is preferably soft by hand;
C. and (3) treatment with a lytic enzyme: spraying decomposition enzyme on product b and standing for 30min to obtain product c; the concentration of the decomposing enzyme is 0.1-0.7%;
D. blanching: putting the product c into a blanching device for blanching for 50-55 s, and then airing to obtain a product d; the hot water temperature of the green scalding device is controlled to be 95-98 ℃;
E. primary enzyme deactivation: putting the product d into a roller enzyme deactivating machine for treatment for 1.5-2 min and spreading for cooling to obtain a product e; the temperature of the roller fixation machine is 130-140 ℃;
F. and (3) secondary fixation: conveying the product e to a microwave enzyme deactivating device for secondary enzyme deactivation and spreading for cooling to obtain a product f; the secondary enzyme deactivation time is 1.2-1.25 min, and the spreading cooling time is 5-8 min;
G. strip tidying: e, conveying the product e into a strip tidying machine for tidying strips and spreading for cooling to obtain a product g;
H. and (3) drying: feeding the product g into a dryer for drying to obtain a product h;
I. and (4) checking: and (5) inspecting the product h, and obtaining the finished product white tea after the product h is qualified.
The white tea production process is characterized by comprising the following steps: the decomposing enzyme in step C comprises pectinase, protease and cellulase.
The white tea production device comprises a base, a plurality of movable bases arranged below the base, a drying cylinder arranged above the base and a motor assembly arranged in the middle of the lower part of the base and connected with the drying cylinder; the drying cylinder is provided with a support, and the support is connected with the base through a plurality of supporting columns; the bracket is provided with a hot air assembly connected with the drying cylinder; and a plurality of drying discs which are horizontally arranged and are rotationally connected with the motor component are arranged in the drying cylinder.
In the white tea production device, one side of the hot air component is provided with the return air pipe, and the other side of the hot air component is provided with the air outlet pipe; the air return pipe is connected with the top of the drying cylinder; the air outlet pipe comprises an upper air outlet pipe and a lower air outlet pipe; the upper air outlet pipe and the lower air outlet pipe are both positioned on the same side of the drying cylinder and are respectively connected with the top and the bottom of the drying cylinder.
In the white tea production device, the motor assembly comprises a motor chamber arranged below the base, a motor arranged in the motor chamber and connected with the base, a rotating shaft arranged on the motor and a fixing plate arranged on the motor and connected with the base; the rotating shaft penetrates through the drying cylinder and is connected with the drying disc.
In the white tea production device, each vertical plate is arranged below the movable base correspondingly, and a rotatable roller is arranged between the vertical plates.
In the white tea production device, the hot air assembly comprises a heater, a blower, an exhaust fan and a dehumidifier; the blower sends hot air heated by the heater into the drying cylinder from the air outlet pipe, and the exhaust fan pumps air containing certain moisture into the dehumidifier for dehumidification from the air outlet pipe. The air is recycled through the hot air assembly, and the waste of heat is reduced.
Compared with the prior art, the invention provides a white tea production process and a device thereof, provides a scientific and effective white tea processing method, and enables all components in tea leaves to be effectively converted and extracted through a plurality of steps of water removing, carding and drying for a plurality of times, thereby improving the quality of the tea leaves; through various tests and comparisons, the enzyme activity of the spread white tea is fast to be improved and the tea aroma quality of the spread white tea is optimal in the environment of medium temperature and humidity (30 ℃/65% RH), so that the added value of the tea is improved, and the requirements of modern people are met.
The invention also provides a production device for drying, the tea leaves are continuously rotated in the drying process by arranging the drying disc driven by the motor assembly, and hot air is continuously conveyed into the drying cylinder by the hot air assembly connected with the drying cylinder, so that the hot air in the drying cylinder continuously flows, moisture can be quickly taken away while the tea leaves are completely dried, the drying effect of the white tea leaves is better, the quality is more stable, and the economic benefit is better.
Therefore, the white tea produced by the method can meet the requirements of modern people, and the drying effect of the drying device is relatively better, so that the economic benefit is improved.
Furthermore, the white tea production device provided by the invention is provided with the moving base with the rollers, so that the white tea production device can move conveniently and fast, and the white tea production device is better in applicability.
Drawings
Fig. 1 is a schematic structural view of a white tea production device of the present invention.
The labels in the figures are: 1-base, 11-pillar, 12-bracket, 2-drying cylinder, 3-hot air component, 31-air outlet pipe, 311-upper air outlet pipe, 312-lower air outlet pipe, 32-air return pipe, 4-motor chamber, 41-motor, 42-fixing plate, 43-rotating shaft, 5-drying disk, 6-moving base, 61-vertical plate and 62-roller.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. The white tea production process comprises the following steps:
A. picking: picking fresh tea tree leaves with single leaf, one bud and one leaf and one bud and two leaves as raw materials to obtain a product a;
B. spreading green: uniformly spreading the product a on a bamboo plaque, putting the bamboo plaque on a spread cooling rack, and putting the spread cooling rack at an air circulation position to avoid sunlight irradiation to obtain a product b; the green spreading temperature is 30 ℃, the humidity is 65% RH, the green spreading time is 6-12 hours, and the green spreading is preferably soft by hand;
C. and (3) treatment with a lytic enzyme: spraying decomposition enzyme on product b and standing for 30min to obtain product c; the concentration of the decomposing enzyme is 0.1-0.7%;
D. blanching: putting the product c into a blanching device for blanching for 50-55 s, and then airing to obtain a product d; the hot water temperature of the green scalding device is controlled to be 95-98 ℃;
E. primary enzyme deactivation: putting the product d into a roller enzyme deactivating machine for treatment for 1.5-2 min and spreading for cooling to obtain a product e; the temperature of the roller fixation machine is 130-140 ℃;
F. and (3) secondary fixation: conveying the product e to a microwave enzyme deactivating device for secondary enzyme deactivation and spreading for cooling to obtain a product f; the secondary enzyme deactivation time is 1.2-1.25 min, and the spreading cooling time is 5-8 min;
G. strip tidying: e, conveying the product e into a strip tidying machine for tidying strips and spreading for cooling to obtain a product g;
H. and (3) drying: feeding the product g into a dryer for drying to obtain a product h;
I. and (4) checking: and (5) inspecting the product h, and obtaining the finished product white tea after the product h is qualified.
The decomposing enzyme in step C comprises pectinase, protease and cellulase.
The white tea production device, as shown in fig. 1, comprises a base 1, a plurality of movable bases 6 arranged below the base 1, a drying cylinder 2 arranged above the base 1 and a motor assembly arranged in the middle part below the base 1 and connected with the drying cylinder 2; a support 12 is arranged on the drying cylinder 2, and the support 12 is connected with the base 1 through a plurality of support columns 11; the bracket 12 is provided with a hot air component 3 connected with the drying cylinder 2; and a plurality of drying discs 5 which are horizontally arranged and are rotationally connected with the motor component are arranged in the drying cylinder 2.
One side of the hot air component 3 is provided with an air return pipe 32, and the other side is provided with an air outlet pipe 31; the air return pipe 32 is connected with the top of the drying cylinder 2; the air outlet pipe 31 comprises an upper air outlet pipe 311 and a lower air outlet pipe 312; the upper air outlet pipe 311 and the lower air outlet pipe 312 are both located on the same side of the drying cylinder 2 and are respectively connected with the top and the bottom of the drying cylinder 2.
The motor assembly comprises a motor chamber 4 arranged below the base 1, a motor 41 arranged in the motor chamber 4 and connected with the base 1, a rotating shaft 43 arranged on the motor 41 and a fixing plate 42 arranged on the motor 41 and connected with the base 1; the rotation shaft 43 penetrates the drying drum 2 and is connected with the drying disk 5.
Each moving base 6's below all is equipped with two corresponding risers 61 that set up, two be equipped with rotatable gyro wheel 62 between the riser 61.
The hot air component 3 comprises a heater, a blower, an exhaust fan and a dehumidifier.
Claims (6)
1. The white tea production process comprises the following steps:
A. picking: picking fresh tea tree leaves with single leaf to one bud and one leaf and/or one bud and two leaves as raw materials to obtain a product a;
B. spreading green: uniformly spreading the product a on a bamboo plaque, putting the bamboo plaque on a spread cooling rack, and putting the spread cooling rack at an air circulation position to avoid sunlight irradiation to obtain a product b; the green spreading temperature is 30 ℃, the humidity is 65% RH, the green spreading time is 6-12 hours, and the green spreading is preferably soft by hand;
C. and (3) treatment with a lytic enzyme: spraying decomposition enzyme on product b and standing for 30min to obtain product c; the concentration of the decomposing enzyme is 0.1-0.7%;
D. blanching: putting the product c into a blanching device for blanching for 50-55 s, and then airing to obtain a product d; the hot water temperature of the green scalding device is controlled to be 95-98 ℃;
E. primary enzyme deactivation: putting the product d into a roller enzyme deactivating machine for treatment for 1.5-2 min and spreading for cooling to obtain a product e; the temperature of the roller fixation machine is 130-140 ℃;
F. and (3) secondary fixation: conveying the product e to a microwave enzyme deactivating device for secondary enzyme deactivation and spreading for cooling to obtain a product f; the secondary enzyme deactivation time is 1.2-1.25 min, and the spreading cooling time is 5-8 min;
G. strip tidying: e, conveying the product e into a strip tidying machine for tidying strips and spreading for cooling to obtain a product g;
H. and (3) drying: feeding the product g into a dryer for drying to obtain a product h;
I. and (4) checking: and (5) inspecting the product h, and obtaining the finished product white tea after the product h is qualified.
2. The white tea production process according to claim 1, characterized in that: the decomposing enzyme in step C comprises pectinase, protease and cellulase.
3. A white tea production apparatus for use in the white tea production process according to any one of claims 1 to 2, characterized in that: the drying machine comprises a base (1), a plurality of movable bases (6) arranged below the base (1), a drying cylinder (2) arranged above the base (1) and a motor assembly arranged in the middle below the base (1) and connected with the drying cylinder (2); a support (12) is arranged on the drying cylinder (2), and the support (12) is connected with the base (1) through a plurality of supporting columns (11); the bracket (12) is provided with a hot air assembly (3) connected with the drying cylinder (2); and a plurality of drying discs (5) which are horizontally arranged and are rotationally connected with the motor component are arranged in the drying cylinder (2).
4. A white tea production apparatus according to claim 3, characterized in that: an air return pipe (32) is arranged on one side of the hot air component (3), and an air outlet pipe (31) is arranged on the other side of the hot air component; the air return pipe (32) is connected with the top of the drying cylinder (2); the air outlet pipe (31) comprises an upper air outlet pipe (311) and a lower air outlet pipe (312); the upper air outlet pipe (311) and the lower air outlet pipe (312) are both positioned on the same side of the drying cylinder (2) and are respectively connected with the top and the bottom of the drying cylinder (2).
5. A white tea production apparatus according to claim 3, characterized in that: the motor assembly comprises a motor chamber (4) arranged below the base (1), a motor (41) arranged in the motor chamber (4) and connected with the base (1), a rotating shaft (43) arranged on the motor (41) and a fixing plate (42) arranged on the motor (41) and connected with the base (1); the rotating shaft (43) penetrates through the drying drum (2) and is connected with the drying disk (5).
6. A white tea production apparatus according to claim 3, characterized in that: each moving base (6) is provided with two corresponding vertical plates (61) below, and a rotatable roller (62) is arranged between the vertical plates (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524363.7A CN112471281A (en) | 2020-12-22 | 2020-12-22 | White tea production process and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524363.7A CN112471281A (en) | 2020-12-22 | 2020-12-22 | White tea production process and device thereof |
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| Publication Number | Publication Date |
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| CN112471281A true CN112471281A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011524363.7A Pending CN112471281A (en) | 2020-12-22 | 2020-12-22 | White tea production process and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732064A (en) * | 2022-04-01 | 2022-07-12 | 上海飒智智能科技有限公司 | Fermented tea production line robot and full-automatic tea fermentation process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349092A (en) * | 2013-05-29 | 2013-10-16 | 句容市边城茶场 | White tea processing technology |
| CN105028732A (en) * | 2015-08-24 | 2015-11-11 | 王传财 | Production method of green tea |
| CN109864148A (en) * | 2018-11-28 | 2019-06-11 | 安徽东方茶业有限公司 | A kind of processing method of Anji white tea |
| CN210180096U (en) * | 2019-06-10 | 2020-03-24 | 浙江武义增荣食品机械有限公司 | Heated air circulation formula drying-machine for tea production |
-
2020
- 2020-12-22 CN CN202011524363.7A patent/CN112471281A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349092A (en) * | 2013-05-29 | 2013-10-16 | 句容市边城茶场 | White tea processing technology |
| CN105028732A (en) * | 2015-08-24 | 2015-11-11 | 王传财 | Production method of green tea |
| CN109864148A (en) * | 2018-11-28 | 2019-06-11 | 安徽东方茶业有限公司 | A kind of processing method of Anji white tea |
| CN210180096U (en) * | 2019-06-10 | 2020-03-24 | 浙江武义增荣食品机械有限公司 | Heated air circulation formula drying-machine for tea production |
Non-Patent Citations (1)
| Title |
|---|
| 林飞应等: "《自然的清供：正山白茶》", vol. 1, 福州海峡文艺出版社, pages: 147 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732064A (en) * | 2022-04-01 | 2022-07-12 | 上海飒智智能科技有限公司 | Fermented tea production line robot and full-automatic tea fermentation process |
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