CN114568550A - Natural ecological airflow environment imitated tea withering machine - Google Patents
Natural ecological airflow environment imitated tea withering machine Download PDFInfo
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- CN114568550A CN114568550A CN202210252239.2A CN202210252239A CN114568550A CN 114568550 A CN114568550 A CN 114568550A CN 202210252239 A CN202210252239 A CN 202210252239A CN 114568550 A CN114568550 A CN 114568550A
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- 241001122767 Theaceae Species 0.000 title claims abstract 18
- 239000011229 interlayer Substances 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000007791 dehumidification Methods 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 235000013616 tea Nutrition 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 235000020334 white tea Nutrition 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 244000269722 Thea sinensis Species 0.000 description 30
- 230000008859 change Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000009569 green tea Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/924—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation using renewable energies
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- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention belongs to the technical field of tea processing, and particularly relates to a tea withering machine simulating natural ecological airflow environment, which comprises a withering chamber and a damp-heat exchange centralized treatment chamber, wherein a reciprocating conveying device for conveying tea is arranged in the withering chamber, a plurality of vertical air pipes are longitudinally distributed on two sides of the reciprocating conveying device, a plurality of groups of interlayer air pipes are communicated between the vertical air pipes at opposite positions on the two sides, the interlayer air pipes are respectively positioned above a conveying surface of the reciprocating conveying device, air outlet holes are uniformly distributed on one side, facing the conveying surface of the reciprocating conveying device, of the interlayer air pipes, an air return channel is arranged above the reciprocating conveying device, the air return channel is communicated with the damp-heat exchange centralized treatment chamber, and a plurality of groups of exhaust fans are arranged on the air return channel and used for pumping withering chamber gas into the air return channel; the tea withering machine provided by the invention can effectively solve the problem of quality reduction of white tea caused by uneven temperature and humidity of hot air withering; the tea withering natural temperature rise and the heating of the withering equipment can be fully utilized, and the energy consumption in the tea withering process is obviously reduced.
Description
Technical Field
The invention relates to the technical field of tea processing, in particular to a tea withering machine simulating a natural ecological airflow environment.
Background art
In white tea processing, withering is an important step, tea changes during the withering process are closely related to the quality of tea leaves, and the tea withering process is physical changes of the withering process on one hand and chemical changes of the withering process on the other hand; the two changes are mutually linked and restricted, the physical change can promote the chemical change, inhibit the chemical change and even influence the products of the chemical change, thereby the difference of the tea making quality appears, otherwise, the chemical change can also influence the progress of the physical change; the change development and influence between the two will be greatly different depending on the objective conditions such as humidity and temperature.
The existing withering machine is generally arranged by lateral fans of the withering machine in the tea withering process, so that the withering machine is capable of heating hot air for withering leaves, the phenomenon that the surface layer green leaves wither fast and the bottom layer green leaves are slow is easily caused, the hot air on two sides flows between layers of the withering machine, the moisture discharge is not smooth, the phenomenon that the hot air withers and the temperature and the humidity are uneven is caused, and the quality of white tea is further influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a tea withering machine imitating a natural ecological airflow environment.
In order to solve the technical problems, the invention adopts the technical scheme that:
a tea leaf withering machine simulating natural ecological airflow environment comprises a withering chamber and a damp-heat exchange centralized treatment chamber, wherein a reciprocating conveying device used for conveying tea leaves is arranged in the withering chamber, a plurality of vertical air pipes are longitudinally distributed on two sides of the reciprocating conveying device, a plurality of groups of interlayer air pipes are communicated between the vertical air pipes at opposite positions on the two sides, the interlayer air pipes are respectively positioned above a conveying surface of the reciprocating conveying device, air outlet holes are uniformly distributed on one sides, facing the conveying surface of the reciprocating conveying device, of the interlayer air pipes, an air return channel is arranged above the reciprocating conveying device, the air return channel is communicated with the damp-heat exchange centralized treatment chamber, and a plurality of groups of exhaust fans are mounted on the air return channel and used for pumping air in the withering chamber into the air return channel;
the heating dehumidification blower unit is installed to damp heat exchange centralized processing room, the inlet end and the damp heat exchange centralized processing room of heating dehumidification blower unit communicate with each other, and the end of giving vent to anger of heating dehumidification blower unit is connected with the air inlet and is responsible for, the air inlet is responsible for in the other end extends to withering, the air inlet is responsible for and is linked together with each perpendicular tuber pipe respectively through the air inlet branch pipe.
Further, reciprocating conveying device includes the multiunit conveyer belt, the conveyer belt is vertical interval to be set up, and crisscross setting between adjacent conveyer belt.
Furthermore, the interlayer air pipes are respectively positioned above the conveying surfaces of the conveying belts of each layer.
Preferably, the included angle between the two adjacent air outlets and the vertical plane is 70 +/-5 degrees, and the distance between the interlayer air pipe and the conveying surface of the reciprocating conveying device is 1.8-2.2 meters.
Furthermore, heating dehumidification blower unit includes three integrative dehumidification heat pumps of collection and circulating fan, the inlet end and the concentrated treatment room of damp heat exchange of three integrative dehumidification heat pumps of collection communicate with each other, the end of giving vent to anger of three integrative dehumidification heat pumps of collection communicates with each other with circulating fan's inlet end respectively, circulating fan's the end of giving vent to anger is connected the air inlet and is responsible for.
Furthermore, circulating fan sets up a plurality of groups, and each circulating fan is connected the multiunit perpendicular tuber pipe respectively through the air inlet main pipe with the air inlet branch pipe.
Furthermore, a heat source air inlet pipeline is arranged on the damp and heat exchange centralized treatment chamber and is connected with an external heat source.
Preferably, a fan is arranged in the heat source air inlet pipeline and used for inputting hot air into the centralized wet heat exchange treatment chamber.
Furthermore, a green leaf feeding machine is further arranged in the withering chamber, and a discharge end of the green leaf feeding machine is located at a feed end of the reciprocating conveying device.
Furthermore, a temperature sensor, a humidity sensor and an air quantity sensor are respectively arranged in the withering chamber.
The invention has the beneficial effects that:
the tea withering machine provided by the invention can realize constant-temperature and constant-humidity withering of tea leaves at different height layers, machine heads and machine tails and left and right positions of the same layer, and effectively solves the problem of quality reduction of white tea caused by uneven temperature and humidity of hot air withering; the tea leaf withering machine can also make full use of the natural temperature rise of tea leaf withering and the heating of the withering equipment, so that the energy consumption in the process of tea leaf withering is obviously reduced, and the tea leaf withering machine is suitable for further popularization and application.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of the invention B-B;
FIG. 3 is a cross-sectional view of the invention A-A;
FIG. 4 is a schematic view of an inter-layer duct;
FIG. 5 is a side view of an inter-floor plenum.
The arrows in fig. 1 and 3 indicate the direction of the gas flow.
The reference numbers in the figures are as follows:
a withering chamber-1; a damp-heat exchange centralized treatment chamber-2; a reciprocating conveying device-3; an air return duct-4; an exhaust fan-5; the third is an integrated dehumidification heat pump-6; a circulating fan-7; a main air inlet pipe-8; a vertical air pipe-9; an interlayer air pipe-10; a heat source air inlet pipeline-11; an exhaust fan-12; a green coating machine-13; an air inlet branch pipe-14; and an air outlet hole-101.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-4, the tea leaf withering machine simulating the natural ecological airflow environment comprises a withering chamber 1 and a wet heat exchange centralized treatment chamber 2, wherein the withering chamber 1 is not communicated with the wet heat exchange centralized treatment chamber 2, a reciprocating conveying device 3 for conveying tea leaves is arranged in the withering chamber 1, the reciprocating conveying device 3 comprises a plurality of groups of conveying belts, the conveying belts are longitudinally arranged at intervals, adjacent conveying belts are arranged in a staggered mode, the conveying directions of the two adjacent conveying belts are opposite, tea leaves are fed from the right end of a top conveying belt and discharged from the left end and then fall onto a lower conveying belt to be conveyed leftwards, and reciprocating conveying of the tea leaves is achieved in a circulating mode.
A plurality of vertical air pipes 9 are longitudinally distributed on both sides of the reciprocating conveying device 3, a plurality of groups of interlayer air pipes 10 are communicated between the vertical air pipes 9 at opposite positions on both sides, the interlayer air pipes 10 are respectively positioned above the conveying surface of the reciprocating conveying device 3 (namely the interlayer air pipes 10 are respectively positioned above the conveying surface of each layer of conveyor belt), air outlet holes 101 are uniformly distributed on one side of each interlayer air pipe 10 facing the conveying surface of the reciprocating conveying device 3, an air return duct 4 is arranged above the reciprocating conveying device 3, the air return duct 4 is communicated with the damp-heat exchange centralized treatment chamber 2, and a plurality of groups of exhaust fans 5 are arranged on the air return duct 4 and used for pumping the air in the withering chamber 1 into the air return duct 4;
the heating dehumidification blower unit is installed to damp heat exchange centralized processing room 2, and the inlet end and the damp heat exchange centralized processing room 2 of heating dehumidification blower unit communicate with each other, and the end of giving vent to anger of heating dehumidification blower unit is connected with the air inlet and is responsible for 8, and the air inlet is responsible for 8 other ends and extends to in the room 1 that withers, and the air inlet is responsible for 8 and is linked together with each perpendicular tuber pipe 9 respectively through air inlet branch pipe 14.
In the process of withering by hot air, the heating, dehumidifying and blowing unit processes the air and blows the processed air into the air inlet main pipe 8, the air inlet main pipe 8 guides the air into each vertical air pipe 9 through the air inlet branch pipe 14, the air in the vertical air pipes 9 enters the interlayer air pipes 10 and is blown out from the air outlet holes 101 on the interlayer air pipes 10 to wither the tea leaves on the reciprocating conveying device 3 at constant temperature and humidity; the interlayer air pipes 10 uniformly distributed above the conveyor belts of each layer can uniformly blow tea leaves, so that the tea leaves in layers with different heights, the machine head and the machine tail and in the left and right positions of the same layer can wither at constant temperature and humidity.
The hot dry air blown out from the air outlet holes 101 in the interlayer air pipe 10 pushes out the hot humid air between the conveyor belt layers out of the layers, the hot humid air is sucked into the return air duct 4 by the exhaust fan 5 arranged on the return air duct 4, the hot humid air in the return air duct 4 flows into the hot humid heat exchange centralized treatment chamber 2, the heating, dehumidifying and blowing unit sucks the air into the air duct for dehumidifying and temperature regulating, and then the air is blown into the air inlet main pipe 8, so that the circulation is realized, and the indoor air flow circulation of the witherer is realized. This machine that withers in service make full use of tealeaves natural temperature rise, the equipment temperature that generates heat that withers, can show the energy consumption that reduces tealeaves process of withering.
Referring to the attached figure 5, the included angle between two adjacent air outlets 101 and the vertical plane is 70 +/-5 degrees, and the distance between the interlayer air pipe 10 and the conveying surface of the reciprocating conveying device 3 is 1.8-2.2 meters; under the normal withering wind speed according to practical tests, the distance between the interlayer wind pipe 10 and the conveying surface of the reciprocating conveying device 3 is preferably about 2 meters, and the withering of the tea leaves is not facilitated due to the excessively long distance. Under the distance, the included angle between the two adjacent air outlet holes 101 and the vertical plane is 70 +/-5 degrees, and the arrangement of the inclined outlet holes can realize the effective withering of the tea and promote the flow of interlayer airflow; when the inclination angle is larger than 75 degrees, the blowing effect of the tea leaves is poor, and when the inclination angle is smaller than 65 degrees, the flow of interlayer airflow is not facilitated, so that the included angle between the two adjacent air outlets 101 and the vertical plane is preferably 70 +/-5 degrees. Further preferably, the included angle between the two adjacent air outlets 101 and the vertical plane is 70 degrees, and the distance between the interlayer air pipe 10 and the conveying surface of the reciprocating conveying device 3 is 2.0 meters.
Referring to the attached drawings 1-2, the heating, dehumidifying and blowing unit comprises a triple-integrated dehumidifying heat pump 6 and a circulating fan 7, wherein an air inlet end of the triple-integrated dehumidifying heat pump 6 is communicated with the damp-heat exchange centralized treatment chamber 2, an air outlet end of the triple-integrated dehumidifying heat pump 6 is respectively communicated with an air inlet end of the circulating fan 7, and an air outlet end of the circulating fan 7 is connected with an air inlet main pipe 8. Wherein, the three-in-one dehumidification heat pump integrates a heat pump integrating heating, refrigeration and dehumidification, and the prior art is adopted; the damp and hot air is processed by a three-in-one dehumidification heat pump and then converted into the dry air with the constant temperature of about 25 ℃ required by the withering process. The constant temperature dry air is pressurized and blown into the air inlet main pipe 8 by the circulating fan 7.
Furthermore, circulating fan 7 sets up a plurality of groups, and each circulating fan 7 is connected the multiunit vertical air pipe 9 respectively through air inlet main pipe 8 and air inlet branch pipe 14, and circulating fan 7 sets up 6 groups in this embodiment. A plurality of circulating fans and corresponding air inlet main pipes 8 are utilized to divide the withering machine into a plurality of sections to independently control the air supply quantity, so that the temperature and humidity stability of different areas of the machine head and the tail end of the withering machine are facilitated.
Referring to the attached drawings 1-2, a heat source air inlet pipeline 11 is arranged on the heat and moisture exchange centralized treatment chamber 2, and the heat source air inlet pipeline 11 is connected with an external heat source; a fan is arranged in the heat source air inlet pipeline 11 and used for inputting hot air into the damp-heat exchange centralized processing chamber 2; the control of hot air input flow speed can be realized through the regulation of the rotating speed of the fan. When the withering machine is preheated, an external heat source supplies heat to the withering machine through the heat source air inlet pipeline 11, and when preheating is finished, heat supply of the external heat source is stopped.
Referring to the attached figure 1, a green coating machine 13 is also arranged in the withering chamber 1, and the discharge end of the green coating machine 13 is positioned at the feed end of the reciprocating conveying device 3. When the green tea leaf feeding machine 13 feeds tea leaves, the tea leaves are conveyed to the right end of the topmost conveying belt of the reciprocating conveying device 3.
As a further improvement, referring to fig. 1, an exhaust fan 12 is further installed on the sidewall of the centralized processing chamber 2 for moisture and heat exchange, and when the temperature of the centralized processing chamber 2 for moisture and heat exchange is too high, the exhaust fan 12 can be turned on to exhaust the internal hot air, which is beneficial to cooling the inside of the centralized processing chamber 2 for moisture and heat exchange.
Furthermore, a temperature sensor, a humidity sensor and an air quantity sensor (not shown) are respectively arranged in the withering chamber 1, and the temperature sensor, the humidity sensor, the air quantity sensor, the three-in-one dehumidification heat pump 6 and the circulating fan 7 are electrically connected with an external control system. Wherein, temperature sensor, humidity transducer and air sensor install in withering room 1 different regions for the control of the temperature in different regions, humidity and the amount of wind.
The machine that withers is through online monitoring dehumidification volume, amount of wind and temperature, synthesizes and regulates and control three integrative dehumidification heat pump 6 mode of collection, and 7 rotational speeds of circulating fan and 11 new trend inputs of cooperation heat source intake pipe, exhaust fan 12 dehumidification cooling, automatically regulated and control the tealeaves humiture curve that withers and fit the ecological warm and humid curve of nature, make the machine that withers reach the effect of imitative ecological withering of nature, make indoor tealeaves wither the quality and be close to reach the effect of naturally withering.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A tea leaf withering machine simulating natural ecological airflow environment is characterized by comprising a withering chamber (1) and a wet-heat exchange centralized treatment chamber (2), wherein a reciprocating conveying device (3) used for conveying tea leaves is arranged in the withering chamber (1), a plurality of vertical air pipes (9) are longitudinally distributed on two sides of the reciprocating conveying device (3), a plurality of groups of interlayer air pipes (10) are communicated between the vertical air pipes (9) with opposite positions on two sides, the interlayer air pipes (10) are respectively positioned above the conveying surface of the reciprocating conveying device (3), air outlet holes (101) are uniformly distributed on one side, facing the conveying surface of the reciprocating conveying device (3), of the interlayer air pipes (10), an air return duct (4) is arranged above the reciprocating conveying device (3), the air return duct (4) is communicated with the wet-heat exchange centralized treatment chamber (2), and a plurality of groups of exhaust fans (5) are installed on the air return duct (4), for pumping the withering chamber (1) gas into the return air duct (4);
the hot and humid heat exchange centralized treatment room (2) is installed and is heated and dehumidified the blast unit, the inlet end and the hot and humid heat exchange centralized treatment room (2) of heating dehumidification blast unit communicate with each other, and the end of giving vent to anger of heating dehumidification blast unit is connected with the air inlet and is responsible for (8), the air inlet is responsible for (8) the other end and extends to in room (1) withers, the air inlet is responsible for (8) and is linked together with each vertical air pipe (9) respectively through air inlet branch pipe (14).
2. The nature-imitated ecological air flow environment tea withering machine as claimed in claim 1, wherein the reciprocating conveyor (3) comprises a plurality of sets of conveyor belts, the conveyor belts are arranged at intervals longitudinally, and adjacent conveyor belts are arranged in a staggered manner.
3. The nature-simulated ecological air flow environment tea withering machine as claimed in claim 2, wherein said interlayer air pipes (10) are respectively positioned above the conveying surface of each layer of conveyor belt.
4. The tea withering machine imitating natural ecological air flow environment as claimed in claim 1, wherein the angle between the vertical plane and each two adjacent air outlet holes (101) is 70 ± 5 °, and the distance between the interlayer air duct (10) and the conveying plane of the reciprocating conveying device (3) is 1.8-2.2 m.
5. The nature ecological air current environment imitated tea leaf withering machine is characterized in that the heating and dehumidifying blowing unit comprises a three-in-one dehumidifying heat pump (6) and a circulating fan (7), wherein an air inlet end of the three-in-one dehumidifying heat pump (6) is communicated with the heat and moisture exchange centralized processing chamber (2), an air outlet end of the three-in-one dehumidifying heat pump (6) is respectively communicated with an air inlet end of the circulating fan (7), and an air outlet end of the circulating fan (7) is connected with an air inlet main pipe (8).
6. The tea withering machine imitating natural ecological airflow environment as claimed in claim 5, wherein the circulating fans (7) are provided with a plurality of groups, and each circulating fan (7) is connected with a plurality of groups of vertical air pipes (9) through the main air inlet pipe (8) and the branch air inlet pipes (14).
7. The nature-imitated ecological airflow environment tea withering machine as claimed in claim 1, wherein the heat and moisture exchange centralized treatment chamber (2) is provided with a heat source air inlet pipe (11), and the heat source air inlet pipe (11) is connected with an external heat source.
8. The nature-imitated ecological air flow environment tea withering machine is characterized in that a fan is arranged in the heat source air inlet pipeline (11) and used for inputting hot air into the humidity-heat exchange centralized processing chamber (2).
9. A nature-imitated ecological air flow environment tea withering machine as claimed in claim 1, wherein a green coating machine (13) is further arranged in the withering chamber (1), and the discharge end of the green coating machine (13) is positioned at the feed end of the reciprocating conveyor (3).
10. The nature-imitated ecological airflow environment tea withering machine as claimed in claim 5, wherein the withering chamber (1) is further provided with temperature, humidity and air volume sensors respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252239.2A CN114568550A (en) | 2022-03-15 | 2022-03-15 | Natural ecological airflow environment imitated tea withering machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210252239.2A CN114568550A (en) | 2022-03-15 | 2022-03-15 | Natural ecological airflow environment imitated tea withering machine |
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| CN114568550A true CN114568550A (en) | 2022-06-03 |
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| CN202210252239.2A Pending CN114568550A (en) | 2022-03-15 | 2022-03-15 | Natural ecological airflow environment imitated tea withering machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938824A (en) * | 2022-06-28 | 2022-08-26 | 贵州省生物技术研究所(贵州省生物技术重点实验室、贵州省马铃薯研究所、贵州省食品加工研究所) | Withering equipment for making craft white tea |
| CN116941684A (en) * | 2023-06-20 | 2023-10-27 | 正安县金林茶业有限责任公司 | Hot air withering device for tea |
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| CN203327877U (en) * | 2013-07-07 | 2013-12-11 | 福建誉达茶业有限公司 | White tea withering constant temperature and humidity all-in-one machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114938824A (en) * | 2022-06-28 | 2022-08-26 | 贵州省生物技术研究所(贵州省生物技术重点实验室、贵州省马铃薯研究所、贵州省食品加工研究所) | Withering equipment for making craft white tea |
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| CN116941684A (en) * | 2023-06-20 | 2023-10-27 | 正安县金林茶业有限责任公司 | Hot air withering device for tea |
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Application publication date: 20220603 |
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