CN111955559A - Tea aroma-improving process method - Google Patents
Tea aroma-improving process method Download PDFInfo
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- CN111955559A CN111955559A CN202010706660.7A CN202010706660A CN111955559A CN 111955559 A CN111955559 A CN 111955559A CN 202010706660 A CN202010706660 A CN 202010706660A CN 111955559 A CN111955559 A CN 111955559A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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Abstract
The invention provides a tea aroma-improving process method which comprises the steps of uniformly spreading tea on a tea tray by using a tea leaf spreading unit, and uniformly blowing and drying the tea leaves on the tea tray from top to bottom by using high-temperature drying air generated in a heat exchange pipe by a hot water tank arranged on a tea leaf aroma-improving machine to finish aroma-improving treatment. By adopting the technical scheme of the invention, the tea leaves are uniformly spread on the tea tray by using the tea leaf uniformly-spreading unit, the labor intensity of manual operation is reduced, the tea leaves are spread more uniformly, a foundation is laid for aroma-improving treatment, the tea tray is simple and convenient to manufacture, the manufacturing cost is reduced, high-temperature drying air which circularly flows from top to bottom is formed in the heat exchange tube by heating water through a hot water tank in the tea leaf aroma-improving machine, the tea leaves are blown and dried by the circular flow of the high-temperature drying air, the water in the environment is prevented from being attached to the surfaces of the tea leaves in the treatment process or after the treatment, and the aroma-improving effect is improved.
Description
Technical Field
The invention relates to the technical field of tea processing equipment, in particular to a tea aroma-improving process method.
Background
The tea aroma raising is a key process in the tea frying production process, and the tea is subjected to high-temperature instant heating in the de-enzyming and frying processes, so that the tea body is subjected to final moisture control under a specific temperature condition, the internal energy of the tea is converted into aromatic substances for effective conversion, and the aromatic substances are subjected to slow-release gasification, so that the aroma of the tea is improved, the aroma of the tea is rich after the tea is subjected to aroma raising treatment, and the quality of the tea is greatly improved. The prior aroma raising machine adopts the combination of a heating box, a tea tray and a tea tray fixing frame, improves aroma by heating and dehydrating tea leaves, in the heating and aroma-improving process, because the tea holding tray fixing frame is still, the tea body is statically placed in the tea holding tray, the high-temperature hot air can only blow, dry and dewater the upper surface of the tea facing the tuyere surface, the contact surface of the tea leaves and the tea tray can not be blown and dried, the moisture in the tea leaves can only be dried from the upper part in one direction, if the tea leaves are stirred by vibration, although the tea leaves can be dehydrated in all directions, the vibration causes high tea leaf loss, and in addition, when the high-temperature hot air blows and dries the tea leaves, the hot air flow contains a large amount of moisture and the outside air also contains a large amount of moisture, and after the aroma raising treatment process is finished, the water can be condensed and attached on the surface of the tea, and the effect of the tea aroma raising treatment is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a tea aroma-improving process method.
The invention is realized by the following technical scheme.
The invention provides a tea aroma-improving process method, which comprises the following steps:
the method comprises the following steps: providing a tea leaf spreading unit and a tea tray, wherein the tea leaf spreading unit comprises a belt conveyor and a tea holding bucket, the upper end of the tea holding bucket is used as a feeding hole, the lower end of the tea holding bucket is used as a discharging hole, one end of the belt conveyor is used as a tea tray inlet, the other end of the belt conveyor is used as a tea tray outlet, the belt conveyor comprises a rack and a conveying belt, the tea holding bucket is fixedly connected with the rack, the discharging hole is arranged right above the conveying belt, the overlooking projection of the discharging hole is rectangular, the tea holding tray comprises an upper cover frame, a lower supporting frame and a screen plate, the upper cover frame and the lower supporting frame are fixedly connected together, and the screen plate is clamped between the upper cover frame and the lower supporting frame;
step two: putting tea into the tea holding bucket, placing the tea holding tray at the tea tray inlet, uniformly spreading the tea on the tea holding tray by using a tea spreading machine set, and taking out the tea holding tray uniformly spread with the tea from the tea tray outlet;
step three: repeating the second step to obtain a plurality of tea containing trays which are uniformly spread with the tea;
step four: providing a tea aroma raising machine, wherein the tea aroma raising machine comprises an oven, a heat exchange tube and a hot water tank, a box door is hinged on the oven, the upper end of the oven is used as an air inlet and communicated with one end of the heat exchange tube, the lower end of the oven is used as an air outlet and communicated with the other end of the heat exchange tube, a heating tube is arranged in the hot water tank, the outer surface of the heating tube abuts against the middle part of the heat exchange tube, the heating tube is connected with a power supply, and a plurality of pairs of shelves are fixedly arranged on;
step five: and C, placing the tea containing trays uniformly spread with the tea in the step three on corresponding shelves, heating the tea by the heating pipes to generate high-temperature drying air flowing from top to bottom in the heat exchange pipes to continuously blow and dry the tea for 8-12min, and finishing the treatment.
The tea containing bucket is made of ferromagnetic steel plates, a plurality of distributing magnetic stripes (15) are adsorbed on the inner wall of the tea containing bucket, and a distributing channel is formed between any two adjacent distributing magnetic stripes (15).
The tea uniformly-spreading unit further comprises a uniformly-spreading roller and a pair of brackets, the brackets are mutually parallel and oppositely arranged and are fixedly connected with the rack, a plurality of bristles are fixedly connected to the outer peripheral surface of the uniformly-spreading roller, sliding blocks are sleeved at the left end and the right end of the uniformly-spreading roller respectively through rolling bearings, and the sliding blocks are mounted on the brackets through linear sliding rails.
The upper cover frame and the lower support frame are both in a closed annular shape formed by connecting a plurality of frame strips end to end in sequence.
The frame strips are made of nylon.
The tea aroma raising machine further comprises a temperature controller, and the temperature controller is electrically connected with the heating pipe.
And an induced draft fan is further installed at the joint of the upper end of the oven and the heat exchange tube.
The hot water tank and the heat exchange tube are abutted against the joint to divide the heat exchange tube into an induced air section communicated with the upper end of the oven and a condensation section communicated with the lower end of the oven, a plurality of moisture absorption screen plates are installed in the condensation section, and salt is spread on the surfaces of the moisture absorption screen plates.
And a drain pipe is also arranged at the bottom of the condensation section, and a drain valve is arranged on the drain pipe.
The heat exchange tube is rectangular in cross section outline, the whole hot water tank is U-shaped, and three sides of the heat exchange tube are surrounded and abutted.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, tea leaves are put into a tea holding hopper, a tea holding tray is conveyed from a tea tray inlet to a tea tray outlet through a belt conveyor, the tea leaves in the tea holding hopper uniformly fall onto the tea holding tray in the conveying process of the tea holding tray, so that the tea leaves are uniformly spread on the tea holding tray, then the temperature of the outer surface of a hot water tank is rapidly raised by heating water in the hot water tank, the hot water tank is abutted against a heat exchange tube, so that gas in the heat exchange tube absorbs heat and flows under the action of an induced draft fan to form high-temperature air, the high-temperature air blows and dries the tea leaves from top to bottom, a plurality of holes are arranged on a screen plate, the upper surface and the lower surface of the tea leaves can be blown and dried by heating, the tea leaves are prevented from being stirred in the aroma raising process, the high-temperature air enters a heat exchange tube condensation section after exchanging heat with the tea leaves, moisture contained in the high-temperature air in the condensation section is condensed into water, and is, thereby form the dry wind that does not contain moisture, dry wind absorbs the heat through the hot-water tank department that leans on with the heat exchange tube afterwards, form high temperature dry wind again and blow the stoving with top-down to tealeaves, compare prior art, tealeaves is in carrying fragrant in-process, at first make tealeaves evenly spread on flourishing tea tray through automation equipment, the artifical intensity of labour has been alleviateed, the high temperature hot-blast drying that flows in the heat exchange tube remains dry all the time, thereby avoid carrying fragrant processing procedure or handling back a large amount of moisture condensation and attaching to tealeaves on the surface, it is fluid medium to carry out the heat transfer with tealeaves in the whole process, in fluid medium flow process, everywhere temperature keeps unanimous, thereby can make tealeaves everywhere all can blow with invariable temperature and dry and carry out fragrant, the fragrant effect of carrying out has been promoted.
Drawings
FIG. 1 is a front view of the tea leaf homogenizing unit of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at I in FIG. 1;
FIG. 3 is a front view of the tea tray of the present invention;
FIG. 4 is a top plan view of the tea tray of the present invention;
FIG. 5 is a front view of the tea aroma raising machine of the present invention;
fig. 6 is a top view of the tea leaf aroma raising machine of the present invention.
In the figure: 1-belt conveyor, 2-tea holding bucket, 3-frame, 4-conveyer belt, 5-tea holding tray, 6-upper cover frame, 7-lower support frame, 8-screen plate, 9-oven, 10-heat exchange tube, 11-hot water tank, 12-oven door, 13-heating tube, 14-shelf, 15-material distribution magnetic stripe, 16-spreading roller, 17-brush hair, 18-slide block, 19-bracket, 20-draught fan, 21-air inducing section, 22-condensing section, 23-moisture absorption screen plate, 24-drain pipe, 25-drain valve and 26-hand wheel.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
The invention provides a tea aroma-improving process method, as shown in figures 1 to 6, comprising the following steps:
the method comprises the following steps: providing a tea leaf spreading machine set and a tea tray 5, wherein the tea leaf spreading machine set comprises a belt conveyor 1 and a tea tray 2, the upper end of the tea tray 2 is used as a feeding hole, the lower end of the tea tray 2 is used as a discharging hole, one end of the belt conveyor 1 is used as a tea tray inlet, the other end of the belt conveyor 1 is used as a tea tray outlet, the belt conveyor 1 comprises a rack 3 and a conveying belt 4, the tea tray 2 is fixedly connected with the rack 3, the discharging hole is arranged right above the conveying belt 4, the overlooking projection of the discharging hole is rectangular, the tea tray 5 comprises an upper cover frame 6, a lower support frame 7 and a screen plate 8, the upper cover frame 6 is fixedly connected with the lower support frame 7, and the screen plate 8 is clamped between the upper cover frame 6 and the lower support frame 7;
step two: putting tea into the tea holding hopper 2, placing the tea holding tray 5 at the tea tray inlet, uniformly spreading the tea on the tea holding tray 5 by a tea spreading machine set, and taking out the tea holding tray 5 uniformly spread with the tea from the tea tray outlet;
step three: repeating the second step to obtain a plurality of tea holding trays 5 which are evenly spread with the tea;
step four: providing a tea aroma raising machine, wherein the tea aroma raising machine comprises an oven 9, a heat exchange tube 10 and a hot water tank 11, a box door 12 is hinged on the oven 9, the upper end of the oven 9 is used as an air inlet and is communicated with one end of the heat exchange tube 10, the lower end of the oven 9 is used as an air outlet and is communicated with the other end of the heat exchange tube 10, a heating tube 13 is arranged in the hot water tank 11, the outer surface of the heating tube 13 abuts against the middle part of the heat exchange tube 10, the heating tube 13 is connected with a power supply, and;
step five: and (3) placing the tea containing trays 5 uniformly paved with the tea in the third step on corresponding shelves 14, heating the tea by the heating pipes 13 to generate high-temperature drying air flowing from top to bottom in the heat exchange pipes 10 to continuously blow and dry the tea for 8-12min, and finishing the treatment.
Furthermore, the tea holding bucket 2 is made of ferromagnetic steel plates, a plurality of distributing magnetic strips 15 are adsorbed on the inner wall of the tea holding bucket 2, and a distributing channel is formed between any two adjacent distributing magnetic strips 15. The length of the material distributing magnetic stripe 15 is more than two thirds of the depth of the inner wall of the tea holding hopper 2. Through the isolation of dividing material magnetic stripe 1515, make tealeaves can more evenly spread in flourishing tea tray 5 to divide material magnetic stripe 15 can arrange in a flexible way through adsorbing on flourishing tea fill 2 inner walls, thereby adjust the width of dividing the material passageway in a flexible way, promote tealeaves even effect of spreading.
The tea leaf homogenizing unit further comprises a homogenizing roller 16 and a pair of brackets 19, wherein the brackets 19 are parallel to each other and are oppositely arranged and fixedly connected with the frame 3, a plurality of bristles 17 are fixedly connected to the outer peripheral surface of the homogenizing roller 16, sliders 18 are respectively sleeved at the left end and the right end of the homogenizing roller 16 through rolling bearings, and the sliders 18 are mounted on the brackets 19 through linear sliding rails. Preferably, the bristles 17 are made of nylon. The belt conveyor 1 further comprises a driving motor, and the rated output power of the driving motor is 1.5 kW. By adopting the technical scheme of the invention, firstly, the tea leaves are uniformly spread on the tea holding tray through the tea holding bucket, and the tea leaves are further uniformly spread through the spreading roller 16, thereby laying a foundation for the subsequent aroma raising treatment process.
Furthermore, the upper cover frame 6 and the lower support frame 7 are both in a closed annular shape formed by connecting a plurality of frame strips end to end in sequence. The frame strip is made of nylon. The shape and the size of the upper cover frame 6 are consistent with those of the lower support frame 7. The outline of the top cover frame 6 or the bottom support frame 7 in the top projection is rectangular or square. The screen plate 8 is preferably made of stainless steel plate.
In addition, the tea aroma raising machine also comprises a temperature controller which is electrically connected with the heating pipe 13. An induced draft fan 20 is also arranged at the joint of the upper end of the oven 9 and the heat exchange tube 10. The hot water tank 11 and the heat exchange tube 10 are abutted against the joint to divide the heat exchange tube 10 into an induced draft section 21 communicated with the upper end of the oven 9 and a condensing section 22 communicated with the lower end of the oven 9, a plurality of moisture absorption net plates 23 are installed in the condensing section 22, and salt is spread on the surfaces of the moisture absorption net plates 23.
The bottom of the condensation section 22 is also provided with a drain pipe 24, and the drain pipe 24 is provided with a drain valve 25. The outline of the cross section of the heat exchange tube 10 is rectangular, the whole hot water tank 11 is U-shaped, and three sides of the heat exchange tube 10 are surrounded and abutted.
By adopting the technical scheme of the invention, tea leaves are put into a tea holding hopper, a tea holding tray is conveyed from a tea tray inlet to a tea tray outlet through a belt conveyor, the tea leaves in the tea holding hopper uniformly fall onto the tea holding tray in the conveying process of the tea holding tray, so that the tea leaves are uniformly spread on the tea holding tray, then the temperature of the outer surface of a hot water tank is rapidly raised by heating water in the hot water tank, the hot water tank is abutted against a heat exchange tube, so that gas in the heat exchange tube absorbs heat and flows under the action of an induced draft fan to form high-temperature air, the high-temperature air blows and dries the tea leaves from top to bottom, a plurality of holes are arranged on a screen plate, the upper surface and the lower surface of the tea leaves can be blown and dried by heating, the tea leaves are prevented from being stirred in the aroma raising process, the high-temperature air enters a heat exchange tube condensation section after exchanging heat with the tea leaves, moisture contained in the high-temperature air in the condensation section is condensed into water, and is, thereby form the dry wind that does not contain moisture, dry wind absorbs the heat through the hot-water tank department that leans on with the heat exchange tube afterwards, form high temperature dry wind again and blow the stoving with top-down to tealeaves, compare prior art, tealeaves is in carrying fragrant in-process, at first make tealeaves evenly spread on flourishing tea tray through automation equipment, the artifical intensity of labour has been alleviateed, the high temperature hot-blast drying that flows in the heat exchange tube remains dry all the time, thereby avoid carrying fragrant processing procedure or handling back a large amount of moisture condensation and attaching to tealeaves on the surface, it is fluid medium to carry out the heat transfer with tealeaves in the whole process, in fluid medium flow process, everywhere temperature keeps unanimous, thereby can make tealeaves everywhere all can blow with invariable temperature and dry and carry out fragrant, the fragrant effect of carrying out has been promoted.
Claims (10)
1. A tea aroma-improving process method is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: providing a tea leaf spreading unit and a tea containing tray (5), wherein the tea leaf spreading unit comprises a belt conveyor (1) and a tea containing hopper (2), the upper end of the tea holding bucket (2) is used as a feeding hole, the lower end of the tea holding bucket (2) is used as a discharging hole, one end of the belt conveyor (1) is used as a tea tray inlet, the other end of the belt conveyor (1) is used as a tea tray outlet, the belt conveyor (1) comprises a frame (3) and a conveying belt (4), the tea holding hopper (2) is fixedly connected with the frame (3) and the discharge hole is arranged right above the conveying belt (4), the tea tray (5) comprises an upper cover frame (6), a lower support frame (7) and a screen plate (8), the upper cover frame (6) and the lower support frame (7) are fixedly connected together, and the screen plate (8) is clamped between the upper cover frame (6) and the lower support frame (7);
step two: putting tea into the tea holding bucket (2), placing the tea holding tray (5) at the tea tray inlet, uniformly spreading the tea on the tea holding tray (5) by a tea spreading machine set, and taking out the tea holding tray (5) uniformly spread with the tea from the tea tray outlet;
step three: repeating the second step to obtain a plurality of tea holding trays (5) which are evenly spread with the tea;
step four: providing a tea aroma raising machine, wherein the tea aroma raising machine comprises an oven (9), a heat exchange tube (10) and a hot water tank (11), a box door (12) is hinged on the oven (9), the upper end of the oven (9) is used as an air inlet and is communicated with one end of the heat exchange tube (10), the lower end of the oven (9) is used as an air outlet and is communicated with the other end of the heat exchange tube (10), a heating tube (13) is installed inside the hot water tank (11), the outer surface of the heating tube abuts against the middle part of the heat exchange tube (10), the heating tube (13) is connected with a power supply, and a plurality of pairs of shelves (14) are fixedly installed on the inner walls;
step five: and (3) placing the tea containing trays (5) uniformly spread with the tea in the step three on corresponding shelves (14), heating the tea by the heating pipes (13) to generate high-temperature drying air flowing from top to bottom in the heat exchange pipes (10) to continuously blow and dry the tea for 8-12min, and finishing the treatment.
2. The tea aroma raising process method according to claim 1, characterized in that: the tea containing bucket (2) is made of ferromagnetic steel plates, a plurality of distributing magnetic strips (15) are adsorbed on the inner wall of the tea containing bucket (2), and a distributing channel is formed between any two adjacent distributing magnetic strips (15).
3. The tea aroma raising process method according to claim 1, characterized in that: the tea uniformly-spreading unit further comprises a uniformly-spreading roller (16) and a pair of brackets (19), the brackets (19) are mutually parallel and opposite and are fixedly connected with the rack (3), a plurality of bristles (17) are fixedly connected to the outer peripheral surface of the uniformly-spreading roller (16), sliding blocks (18) are respectively sleeved at the left end and the right end of the uniformly-spreading roller (16) through rolling bearings, and the sliding blocks (18) are mounted on the brackets (19) through linear sliding rails.
4. The tea aroma raising process method according to claim 1, characterized in that: the upper cover frame (6) and the lower support frame (7) are both in a closed annular shape formed by connecting a plurality of frame strips end to end in sequence.
5. The tea aroma raising process method according to claim 4, characterized in that: the frame strips are made of nylon.
6. The tea aroma raising process method according to claim 1, characterized in that: the tea aroma raising machine further comprises a temperature controller, and the temperature controller is electrically connected with the heating pipe (13).
7. The tea aroma raising process method according to claim 1, characterized in that: and an induced draft fan (20) is further installed at the joint of the upper end of the oven (9) and the heat exchange tube (10).
8. The tea aroma raising process method according to claim 1, characterized in that: the hot water tank (11) and the heat exchange tube (10) lean on the junction will the heat exchange tube (10) divide into with induced air section (21) of oven (9) upper end intercommunication, with condenser section (22) of oven (9) lower extreme intercommunication, install polylith moisture absorption otter board (23) in condenser section (22), salt has been sprinkled on moisture absorption otter board (23) surface.
9. The tea aroma raising process method according to claim 8, characterized in that: and a drain pipe (24) is also arranged at the bottom of the condensation section (22), and a drain valve (25) is arranged on the drain pipe (24).
10. The tea aroma raising process method according to claim 1, characterized in that: the cross section of the heat exchange tube (10) is rectangular in outline, the whole hot water tank (11) is U-shaped, and three sides of the heat exchange tube (10) are surrounded and abutted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706660.7A CN111955559A (en) | 2020-07-21 | 2020-07-21 | Tea aroma-improving process method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010706660.7A CN111955559A (en) | 2020-07-21 | 2020-07-21 | Tea aroma-improving process method |
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| CN202010706660.7A Pending CN111955559A (en) | 2020-07-21 | 2020-07-21 | Tea aroma-improving process method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407589Y (en) * | 1999-10-21 | 2000-11-29 | 浙江衢州上洋机械有限责任公司 | Perfuming machine for tea |
| JP2016152774A (en) * | 2015-02-20 | 2016-08-25 | 株式会社寺田製作所 | Tea leaf hot-air treatment apparatus |
| CN209230196U (en) * | 2018-11-23 | 2019-08-09 | 漳州市华壶茶叶股份有限公司 | A kind of tea aroma raising drying unit |
| CN209889878U (en) * | 2019-04-12 | 2020-01-03 | 松阳县浩宇茶叶机械有限公司 | Round screen leaf spreading machine |
| CN110731397A (en) * | 2019-12-09 | 2020-01-31 | 安徽农业大学 | drawer type tea automatic baking machine |
-
2020
- 2020-07-21 CN CN202010706660.7A patent/CN111955559A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407589Y (en) * | 1999-10-21 | 2000-11-29 | 浙江衢州上洋机械有限责任公司 | Perfuming machine for tea |
| JP2016152774A (en) * | 2015-02-20 | 2016-08-25 | 株式会社寺田製作所 | Tea leaf hot-air treatment apparatus |
| CN209230196U (en) * | 2018-11-23 | 2019-08-09 | 漳州市华壶茶叶股份有限公司 | A kind of tea aroma raising drying unit |
| CN209889878U (en) * | 2019-04-12 | 2020-01-03 | 松阳县浩宇茶叶机械有限公司 | Round screen leaf spreading machine |
| CN110731397A (en) * | 2019-12-09 | 2020-01-31 | 安徽农业大学 | drawer type tea automatic baking machine |
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