CN113040232A - Green tea rotary spreading and drying device and method - Google Patents
Green tea rotary spreading and drying device and method Download PDFInfo
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- CN113040232A CN113040232A CN201911378470.0A CN201911378470A CN113040232A CN 113040232 A CN113040232 A CN 113040232A CN 201911378470 A CN201911378470 A CN 201911378470A CN 113040232 A CN113040232 A CN 113040232A
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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 relates to a tea processing device and method, in particular to a green tea rotary spreading and drying device and method. The tea leaf spreading and drying device comprises an inclined plate (1), an acute angle is formed between the wind direction of hot wind and the lower end of the inclined plate (1), the inclined plate (1) is supported by a support piece (2), a through hole (3) penetrating through the inclined plate (1) is formed in the inclined plate (1), an air guide plate (4) is arranged on the lower surface of the inclined plate (1), the air guide plate (4) is an arc-shaped plate, two side edges of the air guide plate (4) are straight edges, two end edges are arc-shaped edges, one straight edge of the air guide plate is connected with the lower surface of the inclined plate (1), and a gap is formed between the other straight edge and the lower surface of the inclined plate (1). The tea drying device improves the tea spreading and drying efficiency and simultaneously excites and retains the fragrance substances of the tea to a great extent.
Description
Technical Field
The invention relates to a tea processing device and method, in particular to a green tea rotary spreading and drying device and method.
Background
In the prior art, tea leaves are directly spread on a spreading and drying plate for spreading and drying, the spreading and drying plate is simple in structure, spreading and drying time is long, and hot air blowing is adopted in spreading and drying later, so that the spreading and drying efficiency can be improved, but the hot air can take away the fragrance of the tea leaves, and the quality of the tea leaves is influenced.
Disclosure of Invention
The invention aims to provide a rotary spreading and drying device and a rotary spreading and drying method for green tea, and solves the problems that the efficiency of the existing tea spreading and drying technology is low, and fragrance substances of the tea are seriously lost in the spreading and drying process.
In order to solve the technical problems, the invention adopts the following technical scheme:
the green tea rotary spreading and drying device comprises an inclined plate, wherein the inclined plate is supported by a support piece, a through hole penetrating through the inclined plate is formed in the inclined plate, more than two air guide plates are arranged on the lower surface of the inclined plate, the air guide plates are arc-shaped plates, two side edges of each air guide plate are straight edges, two end edges of each air guide plate are arc-shaped edges, one straight edge of each air guide plate is connected with the lower surface of the high position of the inclined plate, and a gap exists between the other straight edge of each air guide plate and the lower surface of the low position of the.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate through the through holes of the inclined plate, then the tea leaves are swirled from the straight edge at the higher part to the straight edge at the lower part under the guidance of the air guide plate, the tea leaves penetrate through the upper surface of the inclined plate through the through holes of the inclined plate, then the tea leaves penetrate through the tea leaves again, and then the next circulation is carried out.
Preferably, the through hole is inclined relative to the inclined plate, and an obtuse angle is formed between the through hole and the high-end lower surface of the inclined plate, so that hot air can pass through the inclined plate conveniently.
Preferably, the supporting member is a telescopic rod. The inclination angle of the spreading and drying device is adjusted by adjusting the length of the telescopic rod.
Preferably, the hole diameter of the through hole between the connection parts of the two adjacent air deflectors and the inclined plate is gradually reduced from top to bottom. The big more does benefit to hot-blast passing of aperture, and the through-hole of eminence is big, and hot-blast when blowing to the hang plate, can blow to the aviation baffle from the eminence that the through-hole is big, and the guide through the aviation baffle is worn out from the less low department of through-hole again, realizes the circulation of circling round, increases hot-blast stroke.
Preferably, the inclined plate is covered with heat insulation cotton to perform a heat insulation function, and the temperature of the tea leaves is increased from the lower part of the tea leaves. The water absorption cotton is covered on the straight edge of the air deflector, which is close to the gap with the lower surface of the inclined plate. Hot air can be mixed with water vapor after passing through tea leaves once, the straight edge part of the air deflector, which is close to the lower surface of the inclined plate and has a gap, is covered with absorbent cotton, and the absorbent cotton absorbs the water vapor under the condition that the air guiding effect is not influenced, so that the spreading and drying effect is improved
A method for spreading and drying green tea in a rotary mode comprises the steps that tea leaves are spread on a spreading and drying device, hot air is used for blowing and drying the tea leaves, the spreading and drying device comprises an inclined plate, an acute angle is formed between the direction of the hot air and the lower end of the inclined plate, the inclined plate is supported by a support piece, a through hole penetrating through the inclined plate is formed in the inclined plate, an air guide plate is arranged on the lower surface of the inclined plate and is an arc-shaped plate, two side edges of the air guide plate are straight edges, two end edges are arc-shaped edges, one straight edge of the air guide plate is connected with the lower surface of the inclined plate, and a gap is formed between the other straight.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate through the through holes of the inclined plate, then the tea leaves are swirled from the straight edge at the higher part to the straight edge at the lower part under the guidance of the air guide plate, the tea leaves penetrate through the upper surface of the inclined plate through the through holes of the inclined plate, then the tea leaves penetrate through the tea leaves again, and then the next circulation is carried out.
Preferably, the through hole is inclined relative to the inclined plate, and an obtuse angle is formed between the through hole and the high-end lower surface of the inclined plate, so that hot air can pass through the inclined plate conveniently.
Preferably, the hole diameter of the through hole between the connection parts of the two adjacent air deflectors and the inclined plate is gradually reduced from top to bottom. The big more does benefit to hot-blast passing of aperture, and the through-hole of eminence is big, and hot-blast when blowing to the hang plate, can blow to the aviation baffle from the eminence that the through-hole is big, and the guide through the aviation baffle is worn out from the less low department of through-hole again, realizes the circulation of circling round, increases hot-blast stroke.
Preferably, the inclined plate is covered with heat insulation cotton to perform a heat insulation function, and the temperature of the tea leaves is increased from the lower part of the tea leaves. The water absorption cotton is covered on the straight edge of the air deflector, which is close to the gap with the lower surface of the inclined plate. Hot-blast back through once tealeaves, can mix with steam, the aviation baffle is close to and covers the cotton that absorbs water with the straight flange department that the lower surface of hang plate has the clearance, under the condition that does not influence the wind-guiding effect, the cotton that absorbs water adsorbs steam, improves the spread effect of drying in the air.
Preferably, hot air with the temperature higher than room temperature by 3-3.5 ℃ and hot air with the temperature higher than room temperature by 4-5 ℃ are alternately blown and dried in the spreading and drying process, and the blowing and drying time is 5-10 minutes; the thickness of the tea leaves in spreading and drying is 4.1-10 cm. The temperature is not too high, and the temperature does not differ from the room temperature too much, so that the spreading and drying efficiency is accelerated by adopting high-temperature hot air, the fragrance substances of the tea are excited, the shape maintenance of the tea and the locking of the fragrance substances of the tea are facilitated by adopting low-temperature hot air, and the quality of the tea is better.
Compared with the prior art, the invention can at least produce one of the following beneficial effects: the tea spreading and drying device improves the tea spreading and drying efficiency and simultaneously excites and retains the fragrance substances of the tea to a great extent; the invention realizes the convolution circulation, increases the hot air stroke, and further improves the spreading and drying effect and the spreading and drying quality; the water absorption cotton 5 is arranged to absorb water vapor, so that the spreading and drying effect is improved; the high-temperature hot air and the low-temperature hot air are blown alternately to dry, so that the spreading and drying efficiency is accelerated, the fragrance substances of the tea are excited, the shape maintenance and the locking of the fragrance substances of the tea are facilitated, and the tea quality is better.
Drawings
Fig. 1 is a schematic structural view of the spreading and drying device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
the green tea convolution spreading and drying device and method are characterized in that tea is paved on the spreading and drying device, the thickness of the tea is 4.1 cm, hot air is adopted to blow and dry the tea, the temperature of the hot air is 26 ℃, the spreading and drying device comprises an inclined plate 1, an acute angle is formed between the direction of the hot air and the lower end of the inclined plate 1, the inclined plate 1 is supported by a support piece 2, the support piece 2 is a telescopic rod, and the inclination angle of the inclined plate 1 is adjusted to 35 degrees by adjusting the length of the telescopic rod. The inclined plate 1 is provided with a through hole 3 penetrating through the inclined plate 1, the lower surface of the inclined plate 1 is provided with an air deflector 4, the air deflector 4 is an arc-shaped plate, two side edges of the air deflector 4 are straight edges, two end edges are arc-shaped edges, one straight edge of the air deflector is connected with the lower surface of the inclined plate 1, and a gap is formed between the other straight edge and the lower surface of the inclined plate 1.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate 1 through the through holes 3 of the inclined plate 1, then the tea leaves are swirled from the straight edge at the higher position to the straight edge at the lower position under the guidance of the air guide plate 4, the tea leaves penetrate through the upper surface of the inclined plate 1 after passing through the through holes 3 of the inclined plate 1, and then the tea leaves enter into the next circulation.
Example 2:
the green tea convolution spreading and drying device and method are characterized in that tea is paved on the spreading and drying device, the thickness of the tea is 10 cm, hot air is adopted to blow and dry the tea, the temperature of the hot air is 26 ℃, the spreading and drying device comprises an inclined plate 1, an acute angle is formed between the direction of the hot air and the lower end of the inclined plate 1, the inclined plate 1 is supported by a support piece 2, the support piece 2 is a telescopic rod, and the inclination angle of the inclined plate 1 is adjusted to 35 degrees by adjusting the length of the telescopic rod. The inclined plate 1 is provided with a through hole 3 penetrating through the inclined plate 1, the through hole 3 is inclined relative to the inclined plate 1, the through hole 3 and the high-end lower surface of the inclined plate 1 form a 135-degree angle, the lower surface of the inclined plate 1 is provided with an air deflector 4, the air deflector 4 is an arc-shaped plate, two side edges of the air deflector 4 are straight edges, two end edges are arc-shaped edges, one straight edge of the air deflector is connected with the lower surface of the inclined plate 1, and a gap exists between the other straight edge and the lower surface of the inclined plate 1.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate 1 through the through holes 3 of the inclined plate 1, then the tea leaves are swirled from the straight edge at the higher position to the straight edge at the lower position under the guidance of the air guide plate 4, the tea leaves penetrate through the upper surface of the inclined plate 1 after passing through the through holes 3 of the inclined plate 1, and then the tea leaves enter into the next circulation.
Example 3:
tea leaves are spread in the spreading and drying device, the tea leaves are alternately blown and dried by high-temperature hot air and low-temperature hot air with the thickness of 8 cm, the high-temperature hot air temperature is 25 ℃, and the low-temperature hot air temperature is 26 ℃ for 5 minutes each time. The spread drying device comprises an inclined plate 1, an acute angle is formed between the hot air direction and the lower end of the inclined plate 1, the inclined plate 1 is supported by a support piece 2, the support piece 2 is a telescopic rod, and the inclined angle of the inclined plate 1 is adjusted to 35 degrees by adjusting the length of the telescopic rod. The inclined plate 1 is provided with a through hole 3 penetrating the inclined plate 1, the through hole 3 is inclined relative to the inclined plate 1, and an angle of 135 degrees is formed between the through hole 3 and the high-end lower surface of the inclined plate 1. The lower surface of the inclined plate 1 is provided with an air deflector 4, the air deflector 4 is an arc-shaped plate, two side edges of the air deflector 4 are straight edges, two end edges are arc-shaped edges, one straight edge of the air deflector is connected with the lower surface of the inclined plate 1, and a gap is formed between the other straight edge and the lower surface of the inclined plate 1. The aperture of the through hole 3 is gradually reduced from top to bottom between the joints of the two adjacent air deflectors 4 and the inclined plate 1.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate 1 through the through holes 3 of the inclined plate 1, then the tea leaves are swirled from the straight edge at the higher position to the straight edge at the lower position under the guidance of the air guide plate 4, the tea leaves penetrate through the upper surface of the inclined plate 1 after passing through the through holes 3 of the inclined plate 1, and then the tea leaves enter into the next circulation.
Example 4:
tea leaves are spread in the spreading and drying device, the thickness of the tea leaves is 10 cm, high-temperature hot air and low-temperature hot air are alternately blown and dried for 10 minutes respectively, the temperature of the high-temperature hot air is 21.5 ℃, and the temperature of the low-temperature hot air is 23 ℃. The spreading and drying device comprises an inclined plate 1, and the inclined plate 1 is covered with heat insulation cotton. Be the acute angle between hot-blast wind direction and the low end of hang plate 1, hang plate 1 is supported by support piece 2, and support piece 2 is the telescopic link, adjusts 1 inclination of hang plate to 45 through adjusting telescopic link length. The inclined plate 1 is provided with a through hole 3 penetrating the inclined plate 1, the through hole 3 is inclined relative to the inclined plate 1, and an angle of 135 degrees is formed between the through hole 3 and the high-end lower surface of the inclined plate 1. The lower surface of the inclined plate 1 is provided with an air deflector 4, the air deflector 4 is an arc-shaped plate, two side edges of the air deflector 4 are straight edges, two end edges are arc-shaped edges, one straight edge of the air deflector is connected with the lower surface of the inclined plate 1, and a gap is formed between the other straight edge and the lower surface of the inclined plate 1. The aperture of the through hole 3 is gradually reduced from top to bottom between the joints of the two adjacent air deflectors 4 and the inclined plate 1.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate 1 through the through holes 3 of the inclined plate 1, then the tea leaves are swirled from the straight edge at the higher position to the straight edge at the lower position under the guidance of the air guide plate 4, the tea leaves penetrate through the upper surface of the inclined plate 1 after passing through the through holes 3 of the inclined plate 1, and then the tea leaves enter into the next circulation.
The most preferred embodiment is as follows:
tea leaves are spread in the spreading and drying device, the thickness of the tea leaves is 6 cm, high-temperature hot air and low-temperature hot air are alternately blown and dried for 10 minutes respectively, the temperature of the high-temperature hot air is 23.5 ℃, and the temperature of the low-temperature hot air is 25 ℃. The spreading and drying device comprises an inclined plate 1, and the inclined plate 1 is covered with heat insulation cotton. Be the acute angle between hot-blast wind direction and the low end of hang plate 1, hang plate 1 is supported by support piece 2, and support piece 2 is the telescopic link, adjusts 1 inclination of hang plate to 35 through adjusting telescopic link length. The inclined plate 1 is provided with a through hole 3 penetrating the inclined plate 1, the through hole 3 is inclined relative to the inclined plate 1, and an angle of 145 degrees is formed between the through hole 3 and the high-end lower surface of the inclined plate 1. The lower surface of the inclined plate 1 is provided with an air deflector 4, the air deflector 4 is an arc-shaped plate, two side edges of the air deflector 4 are straight edges, two end edges are arc-shaped edges, one straight edge of the air deflector is connected with the lower surface of the inclined plate 1, and a gap is formed between the other straight edge and the lower surface of the inclined plate 1. The air deflector 4 is covered with absorbent cotton 5 near the straight edge with a gap with the lower surface of the inclined plate 1. The aperture of the through hole 3 is gradually reduced from top to bottom between the joints of the two adjacent air deflectors 4 and the inclined plate 1.
The tea leaves are spread on the spreading and drying device, hot air is blown to the spreading and drying device, the tea leaves penetrate through the upper surface of the tea leaves, then the tea leaves are blown out from the lower surface of the inclined plate 1 through the through holes 3 of the inclined plate 1, then the tea leaves are swirled from the straight edge at the higher position to the straight edge at the lower position under the guidance of the air guide plate 4, the tea leaves penetrate through the upper surface of the inclined plate 1 after passing through the through holes 3 of the inclined plate 1, and then the tea leaves enter into the next circulation.
Reference throughout this specification to multiple illustrative embodiments means that a particular method described in connection with the embodiments is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, while a method is described in connection with any one embodiment, it is to be understood that it is within the scope of the invention to implement such a method in connection with other embodiments.
Claims (10)
1. The green tea rotary spreading and drying device is characterized in that: the air guide plate comprises an inclined plate (1), wherein the inclined plate (1) is supported by a support piece (2), a through hole (3) penetrating through the inclined plate (1) is formed in the inclined plate (1), more than two air guide plates (4) are arranged on the lower surface of the inclined plate (1), the air guide plates (4) are arc-shaped plates, two side edges of each air guide plate (4) are straight edges, two end edges are arc-shaped edges, one straight edge of each air guide plate is connected with the lower surface of the high position of the inclined plate (1), and a gap exists between the other straight edge of each air guide plate and the lower surface of the low position of the inclined plate (1).
2. The green tea rotary spreading and drying device according to claim 1, wherein: the through hole (3) is inclined relative to the inclined plate (1), and an obtuse angle is formed between the through hole (3) and the high-end lower surface of the inclined plate (1).
3. The green tea rotary spreading and drying device according to claim 1, wherein: the supporting piece (2) is a telescopic rod.
4. The green tea rotary spreading and drying device according to claim 1, wherein: the aperture of the through hole (3) is gradually reduced from top to bottom between the joints of the two adjacent air deflectors (4) and the inclined plate (1).
5. The green tea rotary spreading and drying device according to claim 1, wherein: the inclined plate (1) is covered with heat preservation cotton, and the straight edge of the air deflector (4) close to the lower surface of the inclined plate (1) with a gap is covered with water absorption cotton (5).
6. A green tea rotary spreading and drying method is characterized in that tea leaves are spread on a spreading and drying device and blown and dried by hot air, and the method comprises the following steps: the spread-drying device comprises an inclined plate (1), an acute angle is formed between the wind direction of hot wind and the lower end of the inclined plate (1), the inclined plate (1) is supported by a supporting piece (2), a through hole (3) penetrating through the inclined plate (1) is formed in the inclined plate (1), more than two air guide plates (4) are arranged on the lower surface of the inclined plate (1), the air guide plates (4) are arc-shaped plates, two side edges of each air guide plate (4) are straight edges, two end edges are arc-shaped edges, one straight edge of each air guide plate is connected with the lower surface of the high position of the inclined plate (1), and a gap is formed between the other straight edge of each air guide plate and the lower surface of the low position of the inclined plate.
7. The method of claim 6, wherein the green tea is sun-dried by swirling, and the method comprises the following steps: the through hole (3) is inclined relative to the inclined plate (1), and an obtuse angle is formed between the through hole (3) and the high-end lower surface of the inclined plate (1).
8. The method of claim 6, wherein the green tea is sun-dried by swirling, and the method comprises the following steps: the aperture of the through hole (3) is gradually reduced from top to bottom between the joints of the two adjacent air deflectors (4) and the inclined plate (1).
9. The method of claim 6, wherein the green tea is sun-dried by swirling, and the method comprises the following steps: the inclined plate (1) is covered with heat insulation cotton; the water absorption cotton (5) is covered on the air deflector (4) close to the straight edge with a gap with the lower surface of the inclined plate (1).
10. The method of claim 6, wherein the green tea is sun-dried by swirling, and the method comprises the following steps: when spreading and drying, hot air with the temperature higher than room temperature by 3-3.5 ℃ and hot air with the temperature higher than room temperature by 4-5 ℃ are alternately blown and dried, and the blowing and drying time is 5-10 minutes; the thickness of the tea leaves in spreading and drying is 4.1-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911378470.0A CN113040232A (en) | 2019-12-27 | 2019-12-27 | Green tea rotary spreading and drying device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911378470.0A CN113040232A (en) | 2019-12-27 | 2019-12-27 | Green tea rotary spreading and drying device and method |
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| CN113040232A true CN113040232A (en) | 2021-06-29 |
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| CN201911378470.0A Pending CN113040232A (en) | 2019-12-27 | 2019-12-27 | Green tea rotary spreading and drying device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944011A (en) * | 2023-02-23 | 2023-04-11 | 德州健之源生物科技有限公司 | Spreading and airing equipment and method for improving nutrient components for mulberry leaf tea preparation |
-
2019
- 2019-12-27 CN CN201911378470.0A patent/CN113040232A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944011A (en) * | 2023-02-23 | 2023-04-11 | 德州健之源生物科技有限公司 | Spreading and airing equipment and method for improving nutrient components for mulberry leaf tea preparation |
| CN115944011B (en) * | 2023-02-23 | 2023-06-02 | 德州健之源生物科技有限公司 | Spreading and airing equipment for improving nutritional ingredients for preparing mulberry leaf tea and method thereof |
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