CN113545400B - Tea aroma raising machine - Google Patents
Tea aroma raising machine Download PDFInfo
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- CN113545400B CN113545400B CN202110805570.8A CN202110805570A CN113545400B CN 113545400 B CN113545400 B CN 113545400B CN 202110805570 A CN202110805570 A CN 202110805570A CN 113545400 B CN113545400 B CN 113545400B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 171
- 241001122767 Theaceae Species 0.000 claims abstract description 144
- 230000005855 radiation Effects 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 41
- 239000003205 fragrance Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 34
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003610 charcoal Substances 0.000 description 17
- 230000007306 turnover Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000004080 punching Methods 0.000 description 9
- 239000004576 sand Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000004884 grey matter Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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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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- Tea And Coffee (AREA)
Abstract
The invention discloses a tea aroma raising machine which comprises a frame, wherein a tea containing part and a heating part are arranged on the frame, the tea containing part is used for containing tea and turning the tea, and the heating part is used for heating the tea contained in the tea containing part in a radiation heating mode. The holding portion includes the cylinder of rotation installation in the frame, and the heating portion includes the heating unit that the cylinder outside set up carries out radiant heating to tealeaves in the cylinder. The technical scheme provided by the invention can effectively carry out aroma extraction treatment on the tea, improve the aroma, color and strip shape of the tea and improve the quality and grade of the tea.
Description
Technical Field
The invention relates to the field of tea production equipment, in particular to a tea aroma raising machine.
Background
The tea aroma raising machine is commonly used for raising aroma of tea and changing aroma types of tea, and the traditional roller type tea aroma raising machine mostly adopts hot air as a heat source to heat the tea, such as a technical scheme recorded in patent literature named as a tea aroma raising machine (application number: 2012103878305). Although the traditional tea aroma raising machine can improve the aroma of tea leaves to a certain extent, the traditional tea aroma raising machine has some defects. Firstly, the operation mode has limited improvement degree on the tea aroma and the vegetable leaf color, and secondly, the strip-shaped improvement effect on the tea leaves is smaller.
Disclosure of Invention
The invention aims to provide a tea aroma raising machine which can effectively improve the aroma raising effect of tea.
The technical scheme adopted by the invention is as follows.
The invention aims at providing a tea aroma raising machine, which is characterized in that: the tea holding machine comprises a frame, wherein a tea holding part and a heating part are arranged on the frame, the tea holding part is used for holding tea and turning the tea, and the heating part is used for heating the tea held in the tea holding part in a radiation heating mode.
The specific scheme is as follows: the holding portion includes the cylinder of rotation installation in the frame, and the heating portion includes the heating unit that the cylinder outside set up carries out radiant heating to tealeaves in the cylinder.
The heating unit comprises one or more of a charcoal fire heating source and a far infrared heating source.
The heating units comprise heating units, the distribution areas of the tea leaves in the roller are marked as A distribution areas, and the heating units are arranged at intervals corresponding to the A distribution areas.
The heating unit is movably arranged on the frame, and a spacing adjusting component for changing the spacing between the heating unit and the drum wall is arranged on the frame.
The drum is horizontally arranged, the rotation direction of the drum is W direction when tea leaves are aroma-improving, the heating unit comprises an A heating unit and a B heating unit, the A heating unit is arranged along the upstream side of the W direction corresponding to the A distribution area, the B heating unit is arranged along the downstream side of the W direction corresponding to the A distribution area, the radiation heating direction of the B heating unit points to the middle part of the drum, the radiation heating direction of the A heating unit is matched with the A direction, and the A direction is the direction of the A heating unit pointing to the B heating unit.
The frame is also provided with a moisture discharging mechanism for discharging the moisture generated in the roller.
The device comprises a roller, a control part, a tea containing part, a heating part, a monitoring unit, a control part and a fragrance raising operation condition input module, wherein the roller is provided with a plurality of tea containing parts, the control part is used for controlling the tea containing parts and the heating part according to the signals input by the input module and/or the signals detected by the monitoring module.
The two ends of the roller are respectively marked as an end A and an end B, the end A, B is respectively provided with an opening A and an opening B, the opening A is used for feeding materials into the roller and discharging the materials in the roller, and the moisture discharging mechanism is arranged corresponding to the opening B.
Further comprises:
the A heating unit is arranged on the A movable frame, the A movable frame is arranged on the frame in a sliding manner along the horizontal direction, an arc-shaped mounting surface is arranged on the frame, and an A infrared heating component forming the A heating unit is arranged on the arc-shaped mounting surface;
the A heating unit is arranged on the A movable frame, the A movable frame is arranged on the frame in a sliding manner along the horizontal direction, the A heating unit is a charcoal fire heating source, the charcoal fire heating source is arranged in a charcoal fire groove, and the charcoal fire groove is arranged on the A movable frame;
the B heating unit is arranged on the B movable frame, the B mounting frame is arranged on the frame in a sliding manner along the horizontal direction, a vertical mounting surface which is vertically arranged is arranged on the B movable frame, and a B infrared heating component which forms the B heating unit is arranged on the vertical mounting surface;
an impurity collecting tank for collecting the broken powder separated from the tea is arranged below the A distribution area;
the roller is rotatably mounted on the frame through a supporting roller assembly, a driving shaft for driving the roller to rotate is arranged in the opening of the roller B, the driving shaft and the roller are concentrically arranged, one end of the driving shaft is fixedly connected with the barrel body of the roller through a connecting bracket, the other end of the driving shaft is connected with an A driving motor through an A transmission assembly, the dehumidifying mechanism comprises a dehumidifying fan, the dehumidifying fan is rotatably mounted on the frame and is arranged in the middle of the driving shaft in an empty sleeve shape, and the dehumidifying fan is connected with the B driving motor through a B transmission assembly;
the machine frame is provided with an A sliding rail, and the bottom of the A movable frame is provided with an A roller group which is in sliding fit with the A sliding rail; the interval adjusting assembly comprises a screw nut adjusting assembly connected with the movable bracket B;
the height of the heating unit B is larger than that of the heating unit A, the heating unit A is located outside the side part of the distribution area A along the reverse direction of the W direction, and the heating unit B is arranged to the inner side of the side part of the distribution area A along the lower side of the heating unit B along the W direction.
The invention provides a roller for improving tea aroma, which comprises a roller body, wherein the roller body comprises a material turning section, and the material turning section is provided with a shaping structure for improving tea strip shape and a material turning structure for turning tea.
The specific scheme is as follows: the cylinder wall of the material turning section is made of a mesh plate.
The mesh board is manufactured by adopting a punching mode, the board surface of the mesh board, which is firstly contacted with the punch when the punching board is manufactured, is marked as an A board surface, the other board surface is marked as a B board surface, the periphery of the hole on the B board surface is formed into a convex structure after the punching, the B board surface forms the inner wall surface of the roller, and each convex structure forms the shaping structure.
The pore size of the holes on the mesh plate is 0.5-6 mm. Preferably, the pore size of the holes on the mesh plate is 0.5-2.5 mm.
The material turning mechanism comprises material turning convex strips arranged on the inner wall surface of the roller, the material turning convex strips are arranged at intervals along the circumferential direction of the inner wall surface of the roller, and the length direction of the material turning convex strips is parallel to the axis of the roller in opposite directions.
The section of the material turning convex strip is triangular or isosceles trapezoid.
The utility model provides a turn over material sand grip and be provided with three, including two A turn over material sand grip and a B turn over material sand grip, the length of A turn over material sand grip is greater than the length of B turn over material sand grip, A turn over material sand grip and B turn over the tip that the material sand grip is close to cylinder B end and be the parallel and level form and arrange, B turn over and be provided with step structure on the cylinder inner wall between the protruding material of material and the A turn over material sand grip in two outsides, step structure includes A, B mesa and A, B mesa between the guide step face, the length direction of guide step face is the contained angle form with the central line direction of cylinder and arranges, A mesa is close to the central line of cylinder than B mesa and arranges, B turns over the material sand grip setting on A mesa.
The A end of cylinder is provided with the section of unloading, and the internal diameter of section of unloading is along the B end to A end reduce gradually, is provided with the auxiliary plate of unloading on the inner wall of section of unloading, and the auxiliary plate of unloading is along the circumference interval setting of section of unloading, and the face of auxiliary plate of unloading is the column arrangement on the inner wall of section of unloading, and the length direction of auxiliary plate of unloading is the contained angle form with the central line direction of cylinder and arranges.
The invention also provides a method for improving the fragrance of the tea, which comprises the following operations:
according to the initial properties of the tea leaves waiting for aroma extraction and the effect required to be achieved by the tea leaves after aroma extraction, analyzing and determining the operation parameters of the tea aroma extraction machine for aroma extraction, starting the tea aroma extraction machine for preheating, and throwing the tea leaves into the tea aroma extraction machine for aroma extraction according to the operation parameters determined by analysis; the initial properties comprise one or more of water content, fragrance type, strip shape and color; the operating parameters include one or more of fragrance extraction time, fragrance extraction temperature and drum rotation speed.
The specific scheme is as follows: the tea leaves are heated in a radiation heating mode during aroma extraction treatment, and the radiation heating source is a charcoal fire heating source and/or a far infrared heating source.
The method comprises the steps of determining the rolling direction of a roller in fragrance extraction treatment to be the W direction, determining the arrangement range of tea leaves in the roller in fragrance extraction treatment to be an A distribution area, arranging an A heating unit on the outer side of the upstream of the A distribution area along the W direction to heat the tea leaves in the A distribution area in a radiation mode, arranging a B heating unit on the outer side of the downstream edge of the A distribution area along the W direction to heat the tea leaves on the downstream edge of the A distribution area in a radiation mode, adjusting the radiation heating direction of the A heating unit to be matched with the A direction, wherein the A direction is the direction of the A heating unit pointing to the B heating unit, and the radiation direction of the B heating unit is the direction of the B heating unit pointing to the center of the roller.
Through the inner wall that adopts the otter board preparation to turn over the material section, the hole on the cylinder inner wall is used for realizing the separation of tealeaves and grey matter and heats tealeaves radiation.
The inner wall of the material turning section is manufactured by the screen plate manufactured by the punching process, the B plate surface of the screen plate is used as the inner wall of the roller, the periphery of the hole on the B plate surface of the screen plate is provided with a convex structure, and the strip shape and the color of tea are improved by adopting the convex structure.
The tea leaves are turned over in the A distribution area and are discharged in an auxiliary mode through the material turning convex strips and the step structures which are arranged on the inner wall of the roller.
The intensity of the radiant heating is adjusted by adjusting the spacing between the heating unit and the drum wall.
The aroma raising machine is preheated/the initial feeding stage, the dehumidifying fan does not work, and after the aroma raising machine is preheated/the tea is heated to the specified temperature, the dehumidifying fan is started to work.
When the fragrance is extracted, the temperature of the tea leaves in the roller is measured by adopting an infrared thermometer for spot check. And adjusting the range of the A distribution area by adjusting the rotating speed of the roller, and adjusting the range of the opposite arrangement of the B heating unit and the A distribution area.
The invention has the technical effects that: by adopting the technical scheme, the tea fragrance, the fragrance type, the strip shape and the color of the tea can be effectively improved, and the tea quality is greatly improved. And the processing efficiency of tea leaves is high.
Drawings
Fig. 1 is a schematic perspective view of a tea aroma raising machine;
FIG. 2 is a schematic perspective view of the structure of FIG. 1 from another view angle;
FIG. 3 is a schematic view of another embodiment of the view of FIG. 2;
FIG. 4 is a schematic view of the drum cover of FIG. 1 with the drum cover removed;
FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;
FIG. 6 is a schematic view of an assembly of a drum and a dehumidifying mechanism, a drive mechanism;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
fig. 8 is a schematic diagram of an assembly of A, B heating units and rollers;
FIG. 9 is a top partial cross-sectional view of FIG. 2;
fig. 10 is a top partial cross-sectional view of fig. 3.
The corresponding relation of the reference numerals is as follows:
100-frame, 200-tea containing part, 20A-A distribution area, 210-roller, 211-supporting roller assembly, 21 a-material turning section, 21B-material discharging section, 22a-A material turning convex strip, 22B-B material turning convex strip, 22 c-step structure, 240-material discharging auxiliary plate, 310-A heating unit, 31 a-charcoal fire groove, 31B-A infrared heating assembly, 320-B heating unit and 400 control unit.
Detailed Description
The present invention will be specifically described with reference to the following examples in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
Referring to fig. 1 to 10, a primary object of the present invention is to provide a tea aroma raising machine, which includes a frame 100, wherein a tea containing portion 200 and a heating portion are disposed on the frame 100, the tea containing portion 200 is used for containing tea leaves and turning them, and the heating portion is used for heating the tea leaves contained in the containing portion by adopting a radiation heating mode. Specifically, the receiving part includes a drum 210 rotatably installed on the frame 100, and the heating part includes a heating unit provided outside the drum 210 to radiate-heat tea leaves in the drum 210. The heating unit comprises one or more of a charcoal fire heating source and a far infrared heating source.
Experiments are conducted to compare various heating sources in the tea aroma extraction treatment, and the effect of charcoal fire radiation heating on tea aroma extraction is optimal, so that aroma of the tea aroma extracted by the tea is full and far away. Through experimental analysis, the main reason is that the wavelength of the radiant heating of the charcoal fire is more matched with the characteristics of the tea during aroma extraction. When the far infrared heating source is adopted, the heating by the charcoal fire is simulated, so that the wavelength of the radiation heating of the far infrared heating source is consistent with or similar to the wavelength of the heating source by the charcoal fire.
The further scheme is as follows: the heating units include respective heating units, and the areas of the tea leaves distributed in the drum 210 are denoted as a-distribution areas 20A, and the respective heating units are arranged at intervals from each other corresponding to the a-distribution areas 20A. The heating unit is movably mounted on the frame 100, and a spacing adjusting assembly for changing a spacing between the heating unit and the drum wall of the drum 210 is provided on the frame 100. The production requirements of tea leaves of different varieties or sizes are adjusted and adapted by changing the interval.
More preferably, as shown in fig. 8: the roller 210 is arranged transversely, the rotation direction of the roller 210 is the W direction when tea leaves are aroma-improving, the heating units comprise an A heating unit 310 and a B heating unit 320, the A heating unit 310 is arranged corresponding to the upstream side part of the A distribution area along the W direction, the B heating unit 320 is arranged corresponding to the downstream side part of the A distribution area along the W direction, the radiation heating direction of the B heating unit 320 points to the middle part of the roller 210, the radiation heating direction of the A heating unit 310 is matched with the A direction (including being arranged in a small-angle included angle shape), and the A direction is the direction that the A heating unit 310 points to the B heating unit 320. The height of the B heating unit 320 is greater than the height of the a heating unit 310, and the a heating unit 310 is located outside the side of the a distribution area 20A in the reverse direction of the W direction, and extends to the inside of the side of the a distribution area 20A along the lower side of the B heating unit 320 in the W direction. Because tea leaves are not a material with a very fixed shape and are easy to break, the tea leaves contain some broken powder. However, when the aroma is extracted, the requirements of tea leaves and crushed powder with complete shapes on the aroma extraction are different. For example, the whole tea leaves and the crushed tea leaves are treated equally under the same condition, and when the treatment condition is completely matched with the whole tea leaves, the crushed tea leaves can be burnt; when the processing conditions and the shreds are completely matched, the complete tea leaves may be slightly less fragrant. Therefore, in the present invention, the distribution of the tea leaves in the drum 210, that is, the distribution characteristics and the movement characteristics of the whole tea leaves and the crushed powder are combined, and the whole tea leaves and the crushed powder are subjected to the distinguishing treatment under the same aroma raising condition, so that the whole tea leaves and the crushed powder can realize the optimal aroma raising treatment, the aroma raising effect is improved, and the quality of the tea leaves is ensured.
As shown in fig. 5 and 6, a moisture removing mechanism for removing moisture generated in the drum 210 is further provided on the frame 100, and the moisture removing mechanism is provided to enable moisture generated during tea aroma extraction to be rapidly removed, thereby providing aroma extraction effect and speed.
Specifically, the device further comprises a monitoring unit for detecting characteristic parameters of tea leaves in the roller 210, the monitoring unit transmits detected signals to the control part for analysis and processing, an input module for inputting aroma raising operation conditions is arranged on the control part, and the control part regulates and controls the operation states of the tea containing part 200 and the heating part according to the signals input by the input module and/or the signals detected by the monitoring module. The two ends of the roller 210 are respectively marked as an end A and an end B, the end A, B is respectively provided with an opening A and an opening B, the opening A is used for feeding materials into the roller 210 and discharging the materials in the roller 210, and the moisture discharging mechanism is arranged corresponding to the opening B.
The embodiment of the heating unit 310 may adopt the following two schemes: the a heating unit 310 is mounted on an a movable frame, the a movable frame is slidably mounted on the frame 100 along a horizontal direction, an arc-shaped mounting surface is provided on the frame 100, and an a infrared heating assembly forming the a heating unit 310 is mounted on the arc-shaped mounting surface.
Alternatively, as shown in fig. 2 and 9, the a heating unit 310 is mounted on the a movable frame, which is slidably mounted on the frame 100 in the horizontal direction, the a heating unit 310 is a charcoal fire heating source, the charcoal fire heating source is disposed in the charcoal fire groove 31a, and the charcoal fire groove 31a is mounted on the a movable frame.
The heating unit 320 may be implemented as follows, as shown in fig. 3 and 10: the B heating unit 320 is mounted on a B movable frame, the B mounting frame is mounted on the frame 100 in a sliding manner along the horizontal direction, a vertical mounting surface which is vertically arranged is arranged on the B movable frame, and a B infrared heating component forming the B heating unit 320 is mounted on the vertical mounting surface;
the detailed operation is as follows: an impurity collection tank for collecting the crushed powder separated from the tea leaves is arranged below the A distribution area 20A; the roller 210 is rotatably mounted on the frame 100 through a supporting roller assembly 211, a driving shaft for driving the roller 210 to rotate is arranged in the opening of the roller 210B, the driving shaft and the roller 210 are concentrically arranged, one end of the driving shaft is fixedly connected with the barrel body of the roller 210 through a connecting bracket, the other end of the driving shaft is connected with an A driving motor through an A transmission assembly, the dehumidifying mechanism comprises a dehumidifying fan which is rotatably mounted on the frame 100 and is arranged in the middle of the driving shaft in a hollow sleeve shape, and the dehumidifying fan is connected with the B driving motor through a B transmission assembly; the rack 100 is provided with an A sliding rail, and the bottom of the A movable frame is provided with an A roller group which is in sliding fit with the A sliding rail; the interval adjusting assembly comprises a screw nut adjusting assembly connected with the movable bracket B, as shown in figures 5 and 6;
as shown in the figure, the roller 210 for tea aroma extraction provided by the invention comprises a roller 210 body, wherein the roller 210 body comprises a material turning section 21a, and the material turning section 21a is provided with a shaping structure for improving tea strip shape and a material turning structure for turning tea. The cylinder wall of the material turning section is made of a mesh plate. The mesh board adopts the mode of punching a hole to make, and the face of mesh board in the contact department of punching a hole first when punching a hole board is marked as the A face, and another face marks as the B face, forms protruding structure in the periphery of B face upper hole after punching a hole, and the B face constitutes the inner wall face of cylinder 210, and each protruding structure constitutes plastic structure as shown in fig. 3, 4.
Through protruding structure, can carry out reliable reason strip to tealeaves at tealeaves in-process that turns and handle for the strip of tealeaves is compacter. Meanwhile, through the protruding structure, the wax layer on the surface of the tea can be rubbed, so that the color of the tea after aroma extraction is brighter.
The pore size of the holes on the mesh plate is 0.5-6 mm. The pore size is preferably 0.5 to 2.5mm.
In order to ensure reliable tea leaf turning, the following scheme is adopted for implementation, and the turning mechanism comprises turning raised strips arranged on the inner wall surface of the roller 210, the turning raised strips are circumferentially arranged at intervals along the inner wall surface of the roller 210, and the length direction of the turning raised strips is parallel to the axis of the roller 210 in opposite directions. The section of the material turning convex strip is triangular or isosceles trapezoid. The turning raised strips are provided with three, including two A turning raised strips 22A and a B turning raised strip 22B, the length of A turning raised strip 22A is greater than the length of B turning raised strip 22B, the tip that A turning raised strip 22A and B turning raised strip 22B are close to cylinder 210B end is the parallel and level form and arranges, be provided with step structure 22c on the cylinder 210 inner wall between the A turning raised strip 22A in two outsides of B turning raised strips, step structure 22c includes A, B mesa and A, B guide step between the mesa, the length direction of guide step is the contained angle form with the central line direction of cylinder 210 and arranges, A mesa is close to the central line of cylinder 210 than B mesa arranges, B turning raised strip 22B sets up on A mesa. By adopting the scheme, the tea leaves can be reliably turned over, and the complete tea leaves and the broken tea leaves are distributed in a distinguishing state, as shown in fig. 7.
The end A of the roller 210 is provided with a discharge section 21B, the inner diameter of the discharge section 21B gradually decreases from the end B to the end A, the inner wall of the discharge section 21B is provided with discharge auxiliary plates 240, the discharge auxiliary plates 240 are arranged at intervals along the circumferential direction of the discharge section 21B, the plate surfaces of the discharge auxiliary plates 240 are vertically arranged on the inner wall of the discharge section 21B, and the length direction of the discharge auxiliary plates 240 and the central line direction of the roller 210 are arranged in an included angle mode.
The method for improving the aroma of the tea leaves by adopting the equipment comprises the following operations:
according to the initial properties of the tea leaves waiting for aroma extraction and the effect required to be achieved by the tea leaves after aroma extraction, analyzing and determining the operation parameters of the tea aroma extraction machine for aroma extraction, starting the tea aroma extraction machine for preheating, and throwing the tea leaves into the tea aroma extraction machine for aroma extraction according to the operation parameters determined by analysis; the initial properties comprise one or more of water content, fragrance type, strip shape and color; the operating parameters include one or more of a time of fragrance extraction, a temperature of fragrance extraction, and a rotational speed of the drum 210.
The specific scheme is as follows: the tea leaves are heated in a radiation heating mode during aroma extraction treatment, and the radiation heating source is a charcoal fire heating source and/or a far infrared heating source.
The rolling direction of the roller 210 during aroma extraction processing is determined to be W direction, the arrangement range of tea leaves in the roller 210 during aroma extraction processing is determined to be A distribution area 20A, A heating units 310 are arranged on the upstream outer side of the A distribution area 20A along the W direction to heat the tea leaves in the A distribution area 20A in a radiation mode, B heating units 320 are arranged on the outer side of the downstream edge of the A distribution area 20A along the W direction to heat the tea leaves on the downstream edge of the A distribution area 20A in a radiation mode, the radiation heating direction of the A heating units 310 is adjusted to be matched with the A direction, the A direction is the direction of the A heating units 310 pointing to the B heating units 320, and the radiation direction of the B heating units 320 is the direction of the B heating units 320 pointing to the center of the roller 210.
By making the inner wall of the drum 210 of a mesh plate, the holes on the inner wall of the drum 210 are used to achieve separation of tea leaves and ash and radiant heating of the tea leaves.
The inner wall of the material turning section is made of the screen plate manufactured by the punching process, the B plate surface of the screen plate is used as the inner wall of the roller 210, the periphery of the hole on the B plate surface of the screen plate is provided with a convex structure, and the strip shape and the color of the tea are improved by adopting the convex structure.
The tea leaves are turned over in the a distribution area 20A and the auxiliary discharge is achieved by the turning ribs and the step structures 22c provided on the inner wall of the drum 210.
The intensity of the radiant heating is adjusted by adjusting the spacing between the heating unit and the wall of the drum 210.
The aroma raising machine is preheated/the initial feeding stage, the dehumidifying fan does not work, and after the aroma raising machine is preheated/the tea is heated to the specified temperature, the dehumidifying fan is started to work.
The temperature of the tea leaves in the drum 210 is measured by spot check using an infrared thermometer during aroma extraction. The range of the a distribution area 20A is adjusted by adjusting the rotation speed of the drum 210, and the range of the B heating unit 320 and the a distribution area 20A facing each other is adjusted.
The invention has the technical effects that: by adopting the technical scheme, the tea fragrance, the fragrance type, the strip shape and the color of the tea can be effectively improved, and the tea quality is greatly improved. And the processing efficiency of the tea is high, and the cost of the whole equipment is low.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (7)
1. A tea aroma raising machine is characterized in that: the tea leaf overturning machine comprises a machine frame, wherein a tea containing part and a heating part are arranged on the machine frame, the tea containing part is used for containing tea leaves and overturning the tea leaves, and the heating part is used for heating the tea leaves contained in the tea containing part in a radiation heating mode; the accommodating part comprises a roller rotatably arranged on the frame, and the heating part comprises a heating unit which is arranged outside the roller and used for carrying out radiation heating on tea leaves in the roller; the heating units comprise heating units, wherein the distribution areas of the tea leaves in the roller are marked as A distribution areas, and the heating units are arranged at intervals corresponding to the A distribution areas; the heating unit is movably arranged on the frame, and a spacing adjusting component for changing the spacing between the heating unit and the drum wall is arranged on the frame; the rotary drum is transversely arranged, the rotation direction of the rotary drum is W-direction when tea leaves are aroma-improving, the heating unit comprises an A heating unit and a B heating unit, the A heating unit is arranged corresponding to the upstream side part of the A distribution area along the W-direction, the B heating unit is arranged corresponding to the downstream side part of the A distribution area along the W-direction, the radiation heating direction of the B heating unit points to the middle part of the rotary drum, the radiation heating direction of the A heating unit is matched with the A direction, and the A direction is the direction in which the A heating unit points to the B heating unit;
the A heating unit is arranged on the A movable frame, the A movable frame is arranged on the frame in a sliding manner along the horizontal direction, an arc-shaped mounting surface is arranged on the frame, and an A infrared heating component forming the A heating unit is arranged on the arc-shaped mounting surface; the B heating unit is arranged on the B movable frame, the B mounting frame is arranged on the frame in a sliding manner along the horizontal direction, a vertical mounting surface which is vertically arranged is arranged on the B movable frame, and a B infrared heating component which forms the B heating unit is arranged on the vertical mounting surface; the height of the heating unit B is larger than that of the heating unit A, the heating unit A is located outside the side part of the distribution area A along the reverse direction of the W direction, and the heating unit B is arranged to the inner side of the side part of the distribution area A along the lower side of the heating unit B along the W direction.
2. A tea aroma raising machine as defined in claim 1, wherein: the frame is also provided with a moisture discharging mechanism for discharging the moisture generated in the roller.
3. A tea aroma raising machine as defined in claim 1, wherein: the device comprises a roller, a control part, a tea containing part, a heating part, a monitoring unit, a control part and a fragrance raising operation condition input module, wherein the roller is provided with a plurality of tea containing parts, the control part is used for controlling the tea containing parts and the heating part according to the signals input by the input module and/or the signals detected by the monitoring module.
4. A tea aroma raising machine as defined in claim 2, wherein: the two ends of the roller are respectively marked as an end A and an end B, the end A, B is respectively provided with an opening A and an opening B, the opening A is used for feeding materials into the roller and discharging the materials in the roller, and the moisture discharging mechanism is arranged corresponding to the opening B.
5. A tea aroma raising machine according to claim 1, wherein an impurity collection tank for collecting the dust separated from the tea leaves is provided below the a distribution area.
6. The tea aroma raising machine according to claim 4, wherein the roller is rotatably mounted on the frame through a supporting roller assembly, a driving shaft for driving the roller to rotate is arranged in the opening of the roller B, the driving shaft and the roller are concentrically arranged, one end of the driving shaft is fixedly connected with the barrel body of the roller through a connecting bracket, the other end of the driving shaft is connected with an A driving motor through an A transmission assembly, the dehumidifying mechanism comprises a dehumidifying fan, the dehumidifying fan is rotatably mounted on the frame and is arranged in the middle of the driving shaft in an empty sleeve shape, and the dehumidifying fan is connected with the B driving motor through a B transmission assembly.
7. The tea aroma raising machine according to claim 1, wherein an A sliding rail is arranged on the frame, and an A roller group which is in sliding fit with the A sliding rail is arranged at the bottom of the A movable frame; the interval adjusting assembly comprises a screw nut adjusting assembly connected with the movable bracket B.
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| CN202110805570.8A CN113545400B (en) | 2021-07-16 | 2021-07-16 | Tea aroma raising machine |
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| CN202110805570.8A CN113545400B (en) | 2021-07-16 | 2021-07-16 | Tea aroma raising machine |
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| CN113545400B true CN113545400B (en) | 2024-01-12 |
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