CN113040239B - Manufacturing process of blue flower bottom Dahongpao tea - Google Patents
Manufacturing process of blue flower bottom Dahongpao tea Download PDFInfo
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- CN113040239B CN113040239B CN202110300201.3A CN202110300201A CN113040239B CN 113040239 B CN113040239 B CN 113040239B CN 202110300201 A CN202110300201 A CN 202110300201A CN 113040239 B CN113040239 B CN 113040239B
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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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- 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
- A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
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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
- A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
- A23F3/42—Isolation or recuperation of tea flavour or tea oil
- A23F3/423—Isolation or recuperation of tea flavour or tea oil by solvent extraction; Tea flavour from tea oil
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- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Tea And Coffee (AREA)
Abstract
The invention relates to a manufacturing process of a blue flower bottom Dahongpao tea, which comprises the following steps: (1) sun-drying, namely sun-drying at the temperature of 25-30 ℃ for 30-50 min, wherein the weight reduction rate of tea leaves is 17-27%; (2) airing, namely airing for 30-50 min in a ventilated and cool environment; (3) making green, wherein the green making environment is 20-25 ℃ and the relative humidity is 70-85%; the whole green making process is 9-11 h, the green is shaken 5-6 times in the middle, and the green is made 1-2 times; (4) fixation, re-frying after primary kneading, and re-kneading after re-frying; the fixation temperature is 200-230 ℃ and the time is 3-4 min; (5) kneading, re-pressing and kneading for 2-3 min by an inverted butterfly-shaped manipulation, deblocking for 1-2 times in the process, and re-frying after basic strip forming; the pot temperature is 140-160 ℃ and the time is 10-20 s during repeated frying; rapidly kneading for 1 min-2 min while hot after re-parching; (6) primary drying, wherein the drying temperature is about 120-140 ℃, the primary drying is carried out until the primary drying is carried out, and the primary drying is carried out and then the primary drying is carried out for 2-3 hours; (7) and (5) baking the carbon.
Description
Technical Field
The invention relates to the field of tea production, in particular to a manufacturing process of a big red gown with an orchid bottom.
Background
Dahongpao tea produced in Wuyi mountain in Fujian province belongs to oolong tea and has excellent quality. Chinese special famous tea. The shape of the tea is tight, the color is green brown, fresh and moist, the soup color is orange yellow and bright after brewing, and the leaves are red and green alternately. The quality is most outstanding in that the fragrance is strong and blue fragrance, the fragrance is high and lasting, and the rock charm is obvious. It has health promoting effects such as refreshing, relieving fatigue, promoting salivation, promoting urination, relieving fever, preventing heatstroke, sterilizing, relieving inflammation, removing toxic substances, preventing diseases, resolving food stagnation, reducing weight, and resisting aging. The Dahongpao tea is very resistant to brewing, and has fragrance even if the Dahongpao tea is brewed seven or eight times. Withering, green making and baking in the processing of Wu Yida red gown are all core procedures of the manufacturing process, and have important influence on the tea quality.
Disclosure of Invention
The invention provides a manufacturing process of a blue flower bottom Dahongpao, and the prepared Dahongpao has more remarkable fragrance concentration and tea polyphenol concentration, and the tea soup has rich color and faint scent in a shorter soaking process.
The technical scheme of the invention is as follows:
the manufacturing process of the blue flower bottom Dahongpao is characterized by comprising the following steps of:
(1) sun-drying, namely sun-drying at the temperature of 25-30 ℃ for 30-50 min, wherein the weight reduction rate of tea leaves is 17-27%;
(2) airing, namely airing for 30-50 min in a ventilated and cool environment;
(3) making green, wherein the green making environment is 20-25 ℃ and the relative humidity is 70-85%; the whole green making process is 9-11 h, the green is shaken 5-6 times in the middle, and the green is made 1-2 times;
(4) fixation, re-frying after primary kneading, and re-kneading after re-frying; the fixation temperature is 200-230 ℃ and the time is 3-4 min;
(5) kneading, re-pressing and kneading for 2-3 min by an inverted butterfly-shaped manipulation, deblocking for 1-2 times in the process, and re-frying after basic strip forming; the pot temperature is 140-160 ℃ and the time is 10-20 s during repeated frying; rapidly kneading for 1 min-2 min while hot after re-parching;
(6) primary drying, wherein the drying temperature is about 120-140 ℃, the primary drying is carried out until the primary drying is carried out, and the primary drying is carried out and then the primary drying is carried out for 2-3 hours;
(7) and (5) baking the carbon.
Wherein, after the step (5) and before the step (6), separating tea stems, crushing the separated tea stems, sieving, adding distilled water, extracting with the aid of ultrasound, filtering, precipitating, extracting supernatant, and spraying the kneaded tea leaves by a spraying device.
Wherein the ultrasonic power is 350-500 w, the tea water ratio (g/mL) is 1:10-1:15, the leaching temperature is 70-80 ℃, and the leaching time is 20-30 min.
Wherein, before or during the charcoal baking in the step (7), pulse current is conducted to break the wall of the tea.
The charcoal baking process comprises a charcoal baking device, wherein the charcoal baking device comprises a cylindrical charcoal placing frame with two open ends and a cylindrical tea placing frame, the charcoal placing frame and the tea placing frame are coaxially sleeved, and the tea placing frame is sleeved in the charcoal placing frame and has a certain interval with the charcoal placing frame; the carbon placing frame comprises an outer wall and an inner wall, and an annular carbon placing cavity formed by the outer wall and the inner wall in a surrounding mode; carbon blocks are placed in the carbon placing cavity; the inner wall is of a net-shaped porous structure; the tea placing frame is of a net-shaped porous structure and is an electric conductor; the charcoal placing frame and the tea placing frame respectively do autorotation around the central axis of the charcoal placing frame and the tea placing frame.
Wherein, one end of the outer wall is provided with an annular slit air outlet along the circumference thereof; and high-speed air is blown out from the fine slit air outlet to form an annular air ring, and the air outlet direction of the fine slit air outlet is parallel to the central axis of the carbon placing frame.
Wherein, put tea frame and be made by graphite, and lead to the pulse current.
Wherein a dragon shaft is coaxially sleeved in the tea placing frame; the outer wall and the inner wall and the dragon shaft blades are respectively coated with an infrared reflection layer.
Wherein, a plurality of partition plates are uniformly arranged in the carbon placing cavity along the radial direction so as to separate the carbon placing cavity, and the partition plates are annular or rectangular and separate the carbon placing cavities along the radial direction or the axial direction respectively; and the outer wall is provided with carbon ports which can be opened and closed remotely corresponding to the number of the separated carbon chambers.
Wherein, the baking process of the step (7) comprises the following steps:
(1) putting the ignited carbon block into a carbon placing cavity from a carbon port, wherein the ignition part faces to a tea placing frame;
(2) the separated tea leaves are placed in a space between the tea placing frame and the dragon shaft, and can be brought in from the outside by the dragon shaft;
(3) the charcoal placing frame is driven to rotate, and ash generated by combustion moves outwards and is attached to the outer wall under the action of centrifugal force so as to avoid falling to the tea placing frame; simultaneously, compressed air is introduced into the fine seam air outlet, so that the fine seam air outlet blows out an air ring from one end of the tea placing frame, the air ring forms negative pressure in the tea placing frame, and external air is sucked through the other end of the tea placing frame;
(4) the tea placing frame is driven to rotate, and meanwhile, the dragon shaft is driven to rotate in a reciprocating manner, so that tea leaves are uniformly baked; simultaneously, pulse current is introduced into the tea placing frame to break the wall of the tea cells;
(5) after baking, leading out the tea leaves by rotating the dragon shaft;
(6) and (3) remotely controlling the carbon port to be opened, and throwing out and collecting ashes and/or residual carbon after the carbon is combusted under the action of centrifugal force.
The invention has the following beneficial effects:
1. the Dahongpao tea prepared by the process has more remarkable fragrance concentration and tea polyphenol concentration, and the tea soup is rich in color and faint scent in a shorter soaking process.
2. According to the method, after the step (5) and before the step (6), the separated tea stems are crushed and sieved, distilled water is added, ultrasonic assisted extraction is carried out, filtering is carried out, supernatant liquid is extracted after precipitation, and the kneaded tea leaves are sprayed by a spraying device, so that leftover materials in the tea making process can be effectively utilized, waste is reduced, and the polyphenol content and the fragrance concentration of the prepared Dahongpao tea are obviously improved.
3. The invention utilizes the cylindrical charcoal placing frame and the cylindrical tea placing frame sleeved in the charcoal placing frame at intervals to realize uniformity and rapidity of charcoal baking, can more uniformly and rapidly bake tea, has large baking area for the tea, and basically and synchronously performs the baking, reduces the number of times of turning, improves the charcoal baking efficiency, reduces the time required by the charcoal baking, and simultaneously improves the operability, accuracy and standardability of the charcoal baking, so that the charcoal baking quality is stable, the requirement on experience of operators is reduced, the yield is obviously improved and the cost is reduced while the charcoal baking quality is ensured.
4. The charcoal placing frame is of a double-layer structure of the inner wall and the outer wall, and is in a self-rotation state during working, so that centrifugal force is skillfully utilized, ashes generated in the charcoal burning process automatically move outwards, the ashes are finally extruded on the outer wall or directly guided out through gaps among charcoal blocks, the ashes generated by the charcoal placing frame of a cylindrical structure are prevented from falling onto tea leaves, no worry of the ashes exists, one side of the charcoal blocks which are ignited can be reliably and gradually burnt towards the tea leaves, the utilization rate of the charcoal blocks is increased, the generated ashes are timely discharged to the outer wall under the action of the centrifugal force, and the charcoal blocks have stable heating conditions.
5. The charcoal baking device is also provided with the fine slit air outlet to form the air ring, so that the air at the other end of the charcoal placing frame is driven by the drainage effect to warm and pass through the charcoal placing frame to be led out, on one hand, enough oxygen can be brought into the charcoal burning, and on the other hand, tiny dust generated by the burning of tiny charcoal dispersed in the charcoal placing frame can be taken away by the air passing through the charcoal placing frame, so that the tea is prevented from being polluted; meanwhile, the heating value of the carbon can be simply and conveniently controlled by controlling the size of the compressed air, so that the carbon baking temperature can be simply and conveniently and rapidly adjusted, and a finer and complex carbon baking process is realized.
6. The dragon shaft is sleeved in the tea placing frame, so that the tea can be turned over repeatedly, the efficiency and effect of baking tea by charcoal are improved, meanwhile, the damage to the tea is small because the characteristics of the dragon shaft blades are continuous in the turning process, the dragon shaft is also used for feeding and discharging the tea, the manual requirement and the workload of workers are reduced, a large quantity of continuous baking of the tea can be realized, and the baking efficiency of the charcoal is remarkably improved.
7. According to the invention, the perforation of the tea cells can be promoted by adopting the current pulse, so that the beneficial substances in the cells overflow, the fragrance concentration and the health care effect of the tea are improved, the soaking rate of the tea is improved, and the overflow of the beneficial substances is synchronously carried out with the baking and turning of the tea, so that the dispersibility of the beneficial substances on the tea can be improved, therefore, the prepared tea has the advantages of aromatic tea soup after soaking, better health care effect, and remarkably aromatic fragrance even when not soaking compared with that prepared by a common process.
8. The tea placing frame is made of graphite, has an electric conduction function, can be used for introducing pulse current, has a certain limit on the heat conduction capacity, and can avoid burning in the tea charcoal baking process.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic radial cross-sectional view of a charcoal baking apparatus according to the present invention;
FIG. 3 is a schematic view of a carbon skeleton and slot air outlet of the present invention;
fig. 4 is a schematic view of the tea holder and the dragon shaft of the present invention.
The reference numerals in the drawings are as follows:
1-charcoal placing frame, 11-outer wall, 12-inner wall, 13-charcoal placing cavity, 14-fine seam air outlet, 2-tea placing frame and 3-dragon shaft.
Detailed Description
The invention will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1, a process for manufacturing a blue-flower bottom Dahongpao, comprising the steps of:
(1) sun-drying, namely sun-drying at the temperature of 25-30 ℃ for 30-50 min, wherein the weight reduction rate of tea leaves is 17-27%;
(2) airing, namely airing for 30-50 min in a ventilated and cool environment;
(3) making green, wherein the green making environment is 20-25 ℃ and the relative humidity is 70-85%; the whole green making process is 9-11 h, the green is shaken 5-6 times in the middle, and the green is made 1-2 times;
(4) fixation, re-frying after primary kneading, and re-kneading after re-frying; the fixation temperature is 200-230 ℃ and the time is 3-4 min;
(5) kneading, re-pressing and kneading for 2-3 min by an inverted butterfly-shaped manipulation, deblocking for 1-2 times in the process, and re-frying after basic strip forming; the pot temperature is 140-160 ℃ and the time is 10-20 s during repeated frying; rapidly kneading for 1 min-2 min while hot after re-parching;
(6) primary drying, wherein the drying temperature is about 120-140 ℃, the primary drying is carried out until the primary drying is carried out, and the primary drying is carried out and then the primary drying is carried out for 2-3 hours;
(7) and (5) baking the carbon.
Further, after the step (5) and before the step (6), the tea stems are separated, the separated tea stems are crushed and then sieved, distilled water is added, ultrasonic assisted extraction is carried out, filtering is carried out, supernatant liquid is extracted after precipitation, and the kneaded tea leaves are sprayed by a spraying device, so that leftover materials in the tea making process can be effectively utilized, waste is reduced, and the polyphenol content and the fragrance concentration of the prepared Dahongpao tea are obviously improved.
Further, the ultrasonic power is 350-500 w, the tea water ratio (g/mL) is 1:10-1:15, the leaching temperature is 70-80 ℃, and the leaching time is 20-30 min.
Further, before or during the charcoal baking in the step (7), pulse current wall breaking treatment is carried out on the tea, and current pulses are adopted to promote perforation of tea cells and overflow beneficial substances in the cells, so that the fragrance concentration and health care effect of the tea are improved, the soaking rate of the tea is improved, and the overflow of the beneficial substances is synchronously carried out with baking and turning of the tea, so that the dispersibility of the beneficial substances on the tea can be improved, and therefore, the prepared tea has aromatic fragrance after soaking, has better health care effect, and has obviously aromatic fragrance even when not soaking, namely compared with that prepared by a common process.
Further, referring to fig. 2 to 4, in the charcoal baking process, a charcoal baking device is used for baking charcoal, the charcoal baking device comprises a cylindrical charcoal placing frame 1 with two open ends and a cylindrical tea placing frame 2, the charcoal placing frame 1 and the tea placing frame 2 are coaxially sleeved, and the tea placing frame 2 is sleeved in the charcoal placing frame 1 and has a certain distance with the charcoal placing frame 1; the carbon placing frame 1 comprises an outer wall 11, an inner wall 12 and an annular carbon placing cavity 13 which is formed by the outer wall 11 and the inner wall 12 in a surrounding mode; carbon blocks are placed in the carbon placing cavity 13; the inner wall 12 is of a net-shaped porous structure; the tea placing frame 2 is of a net-shaped porous structure and is an electric conductor; the charcoal placing frame 1 and the tea placing frame 2 respectively rotate around a further center axis; the uniformity and the rapidity of the charcoal baking are realized by utilizing the cylindrical charcoal placing frame 1 and the cylindrical tea placing frame 2 which is sleeved in the charcoal placing frame 1 at intervals, the tea can be baked more uniformly and rapidly, the baking area of the tea is large, the tea is basically synchronous, the number of times of turning is reduced, the charcoal baking efficiency is improved, the time required by the charcoal baking is reduced, and the operability, the accuracy and the standardability of the charcoal baking are improved, so that the quality of the charcoal baking is stable, the requirement on the experience of operators is reduced, the yield is obviously improved, and the cost is reduced while the quality of the charcoal baking is ensured; put the double-deck structure of charcoal frame 1 for the inner and outer wall, and be in the rotation state at the during operation, thereby ingenious utilization centrifugal force, make the automatic outside removal of ashes that produces among the charcoal burning process, through the gap between the charcoal piece, finally extrude on outer wall 11 or direct derivation, avoid the ashes that the charcoal frame 1 produced of barrel-shaped structure put to drop to tealeaves, and the worry of the ashes that does not have, just can be relieved make it burn gradually with the one side that the charcoal piece was lighted towards tealeaves, increase charcoal piece utilization ratio, and the ashes that produce in time discharge to the outer wall under the effect of centrifugal force again, the charcoal piece has stable condition of generating heat.
Further, an annular slit air outlet 14 is formed at one end of the outer wall 11 along the circumference thereof; the high-speed air is blown out from the fine slit air outlet 14 to form an annular air ring, and the air outlet direction of the fine slit air outlet 14 is parallel to the central axis of the charcoal placing frame 1; the fine seam air outlet 14 forms an air ring, so that air at the other end of the carbon placing frame 1 is driven to pass through the carbon placing frame to be guided out by utilizing the drainage effect, on one hand, enough oxygen can be brought into the carbon burning, on the other hand, the air passing through the carbon placing frame 1 can also take away tiny dust generated by burning the tiny carbon dispersed in the carbon placing frame 1, and the pollution of tea leaves is avoided; meanwhile, the heating value of the carbon can be simply and conveniently controlled by controlling the size of the compressed air, so that the carbon baking temperature can be simply and conveniently and rapidly adjusted, and a finer and complex carbon baking process is realized. .
Furthermore, the tea placing frame 2 is made of graphite, and is filled with the pulse current, and the tea placing frame 2 is made of graphite, so that on one hand, the tea placing frame has an electric conduction function, can be used for filling the pulse current, and on the other hand, the heat conducting capacity of the tea placing frame has a certain limit, and can avoid burning in the tea charcoal baking process.
Further, an auger shaft 3 is coaxially sleeved in the tea placing frame 2; the flood dragon shaft 3 is sleeved in the tea placing frame 2, the turnover of tea leaves can be realized through repeated rotation, the efficiency and effect of baking tea leaf charcoal are improved, meanwhile, the damage to the tea leaves is small because the characteristic of the flood dragon shaft 3 blades is continuous in the turnover process, the flood dragon shaft is also used for feeding and discharging the tea leaves, the manual requirement and the workload of workers are reduced, a large quantity of continuous charcoal baking can be realized, and the charcoal baking efficiency is remarkably improved.
Further, a plurality of partition plates 15 are uniformly arranged in the carbon placing cavity 13 along the radial direction to separate the carbon placing cavity 13, and the partition plates 15 are annular or rectangular and separate the carbon placing cavity 13 along the radial direction or the axial direction respectively; and the outer wall 11 is provided with carbon ports which can be opened and closed remotely corresponding to the number of the separated carbon chambers 13.
Further, the inner wall of the outer wall 11 and the dragon shaft blade are respectively coated with an infrared reflection layer.
Further, the baking process in the step (7) is as follows:
(1) the ignited carbon block is put into a carbon placing cavity 13 from a carbon port, and the ignition part faces to the tea frame 2;
(2) the separated tea leaves are placed in a space between the tea placing frame 2 and the dragon shaft 3, and can be brought in from the outside by the dragon shaft 3;
(3) the charcoal placing frame 1 is driven to rotate, and ashes generated by combustion move outwards and are attached to the outer wall 11 under the action of centrifugal force so as to avoid falling to the tea placing frame 2; simultaneously, compressed air is introduced into the fine seam air outlet 14, so that the fine seam air outlet 14 blows out an air ring from one end of the tea placing frame 1, the air ring forms negative pressure in the tea placing frame 2, and external air is sucked through the other end of the tea placing frame 1;
(4) the tea placing frame 2 is driven to rotate, and meanwhile, the dragon shaft 3 is driven to rotate in a reciprocating manner, so that tea leaves are uniformly baked; simultaneously, pulse current is introduced into the tea holder 2 to break the wall of the tea cells;
(5) after baking, the dragon shaft 3 rotates to guide out the tea leaves;
(6) and (3) remotely controlling the carbon port to be opened, and throwing out and collecting ashes and/or residual carbon after the carbon is combusted under the action of centrifugal force.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The manufacturing process of the blue flower bottom Dahongpao is characterized by comprising the following steps of:
(1) sun-drying, namely sun-drying at the temperature of 25-30 ℃ for 30-50 min, wherein the weight reduction rate of tea leaves is 17-27%;
(2) airing, namely airing for 30-50 min in a ventilated and cool environment;
(3) making green, wherein the green making environment is 20-25 ℃ and the relative humidity is 70-85%; the whole green making process is 9-11 h, the green is shaken 5-6 times in the middle, and the green is made 1-2 times;
(4) fixation, re-frying after primary kneading, and re-kneading after re-frying; the fixation temperature is 200-230 ℃ and the time is 3-4 min;
(5) kneading, re-pressing and kneading for 2-3 min by an inverted butterfly-shaped manipulation, deblocking for 1-2 times in the process, and re-frying after strip forming; the pot temperature is 140-160 ℃ and the time is 10-20 s during repeated frying; rapidly kneading for 1 min-2 min while hot after re-parching;
(6) primary drying, wherein the drying temperature is 120-140 ℃, the primary drying is carried out until the primary drying is carried out, and the primary drying is carried out for 2-3 hours;
(7) baking with charcoal;
before or during the charcoal baking in the step (7), carrying out pulse current-through wall breaking treatment on the tea;
the charcoal baking process comprises a charcoal baking device, wherein the charcoal baking device comprises a cylindrical charcoal placing frame (1) with two open ends and a cylindrical tea placing frame (2), the charcoal placing frame (1) and the tea placing frame (2) are coaxially sleeved, and the tea placing frame (2) is sleeved in the charcoal placing frame (1) and has a certain interval with the charcoal placing frame (1); the carbon placing frame (1) comprises an outer wall (11), an inner wall (12) and an annular carbon placing cavity (13) which is formed by the outer wall (11) and the inner wall (12) in a surrounding mode; carbon blocks are placed in the carbon placing cavity (13); the inner wall (12) is of a net-shaped porous structure; the tea placing frame (2) is of a net-shaped porous structure and is an electric conductor; the charcoal placing frame (1) and the tea placing frame (2) respectively rotate around the central axis of the charcoal placing frame;
one end of the outer wall (11) is provided with an annular slit air outlet (14) along the circumference thereof; the high-speed air is blown out from the fine slit air outlet (14) to form an annular air ring, and the air outlet direction of the fine slit air outlet (14) is parallel to the central axis of the carbon placing frame (1);
the tea placing frame (2) is made of graphite, and the pulse current is conducted.
2. The process according to claim 1, wherein after step (5) and before step (6), the tea stems are separated, the separated tea stems are crushed and sieved, distilled water is added, the mixture is extracted by ultrasonic assistance and filtered, and the supernatant is extracted after precipitation and sprayed by a spraying device to knead the tea leaves.
3. The process for manufacturing the orchid bottom Dahongpao as claimed in claim 2, wherein the ultrasonic power is 350-500 w, the tea water ratio (g/mL) is 1:10-1:15, the leaching temperature is 70-80 ℃, and the leaching time is 20-30 min.
4. The manufacturing process of the orchid bottom Dahongpao tea according to claim 1, which is characterized in that an dragon shaft (3) is coaxially sleeved in the tea placing frame (2); the infrared reflection layers are respectively coated on the inner wall of the outer wall (11) and the dragon shaft blades.
5. The manufacturing process of the blue-flower bottom Dahongpao as claimed in claim 4, wherein a plurality of partition plates (15) are uniformly arranged in the carbon placing cavity (13) along the radial direction to separate the carbon placing cavity (13), and the partition plates (15) are annular or rectangular and separate the carbon placing cavities (13) along the radial direction or the axial direction respectively; and the outer wall (11) is provided with carbon ports which can be opened and closed remotely corresponding to the number of the separated carbon chambers (13).
6. The process of claim 5, wherein the baking in step (7) is:
(1) putting the ignited carbon blocks into a carbon placing cavity (13) from a carbon port, wherein the ignition part faces the tea frame (2);
(2) the separated tea leaves are placed in a space between the tea placing frame (2) and the dragon shaft (3), and can be brought in from the outside by the dragon shaft (3);
(3) the charcoal placing frame (1) is driven to rotate, and ashes generated by combustion are outwards moved and attached to the outer wall (11) under the action of centrifugal force so as to avoid falling to the tea placing frame (2); simultaneously, compressed air is introduced into the fine seam air outlet (14), so that the fine seam air outlet (14) blows out an air ring from one end of the tea placing frame (2), the air ring forms negative pressure in the tea placing frame (2), and external air is sucked through the other end of the tea placing frame (2);
(4) the tea placing frame (2) is driven to rotate, and meanwhile, the dragon shaft (3) is driven to rotate in a reciprocating mode, so that tea leaves are uniformly baked; simultaneously, pulse current is introduced into the tea placing frame (2) to break the wall of the tea cells;
(5) after baking, the dragon shaft (3) rotates to guide out the tea leaves;
(6) and (3) remotely controlling the carbon port to be opened, and throwing out and collecting ashes and/or residual carbon after the carbon is combusted under the action of centrifugal force.
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| CN202110300201.3A CN113040239B (en) | 2021-03-22 | 2021-03-22 | Manufacturing process of blue flower bottom Dahongpao tea |
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