JP2004344089A - Tea manufacturing device and method for manufacturing tea - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tea manufacturing device reducing air drying of tea leaves to the utmost so as to obtain tasty tea having good flavor and intensified taste; and to provide a method for manufacturing tea. <P>SOLUTION: The method for manufacturing tea comprises the following process: supplying raw tea leaves b preliminarily steamed to a heating furnace body 3 through a tea leaf input port 6 of the heating furnace body; heating the upper outer side of the heating furnace body via a heat source 4 to heat the inner side of the heating furnace body; stirring the tea leaves with a heating/stirring member 17 attached to a heating rotary axis 5 in a projecting fashion while subjecting the tea leaves charged in the heating furnace body to heat processing via the atmospheric temperature; transferring the tea leaves toward the other side of the heating furnace body from the tea leaf input port; taking out the processed tea leaves b1 through a discharge port of the heating furnace body. In the heating furnace body, tea manufacturing is carried out in almost sealed condition and non-ventilated condition where external air blasting is blocked. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
[Industrial applications]
TECHNICAL FIELD The present invention relates to a tea manufacturing apparatus and a tea manufacturing method capable of obtaining a delicious tea having a good aroma and a strong taste.
[0002]
[Prior art]
Conventionally, in the production of tea, harvested fresh leaves, after being steamed in a steamer in a predetermined manner, are manufactured through respective tea making processes in a coarse kneader or a kneading machine, a middle kneader, a fine kneader, a dryer, or the like. I have.
[0003]
In this tea-making process, in order to extract moisture from the tea leaves, the tea leaves stagnating at the kneading bottom of the tea-making machine are subjected to a large amount of blowing at a high temperature while being kneaded by applying pressure, thereby drying the tea. It was done.
[0004]
Therefore, at that time, the tissue of the tea leaves and the like are forcibly destroyed in the rubbing step, and the forced and continuous air blowing removes only the surface layer of the tea leaves, thereby causing a phenomenon of drying on the surface. On the other hand, it was difficult to extract the core water of the essential tea leaves. In addition, when the kneading step is performed in a state where a certain amount is solidified, each tea leaf sticks to a dumpling state due to moisture extracted from the tea leaf, so that the tea leaf has not been dried directly.
For this reason, it was difficult to produce a delicious tea with a good aroma and a strong taste as obtained by tea making by hand-rubbing in ancient times.
[0005]
[Problems to be solved by the invention]
The present invention has been made in order to solve the above-described problems, and supplies raw leaves which have been subjected to steaming in advance from the tea leaf inlet of the heating furnace body into the heating furnace body, and from the upper outer side of the heating furnace body. The inside of the heating furnace is heated by a heat source, and while the tea leaves accommodated in the heating furnace are heated by the ambient temperature, the tea leaves are agitated by a heating agitating member protruding from a heating rotating shaft to provide tea leaves. It was transferred from the inlet to the other side of the heating furnace body, and the processed tea leaves were taken out from the outlet of the heating furnace body, and the inside of the heating furnace was substantially closed and the blowing from the outside was shut off. By providing tea in a substantially non-ventilated state, the air-drying of the tea leaves is reduced as much as possible, and the aroma is good, and it is possible to provide a tea manufacturing apparatus and a tea manufacturing method capable of obtaining a dark and delicious tea. The purpose is.
[0006]
[Means for Solving the Problems]
Means of the present invention for achieving the above-mentioned object,
A tea machine that has a machine body and a tea processing machine that receives fresh leaves from tea leaves that have been steamed in advance provided on the machine body and performs heating processing on the tea leaves, wherein the tea processing machine is connected to the machine body. A heating furnace body attached and provided with a tea leaf inlet on one side thereof, a heat source provided at an upper portion of the heating furnace body for applying heat to the tea leaves accommodated in the heating furnace body, and a heating furnace body penetrating therethrough. A heating rotary shaft suspended from the body.
The heating furnace body has a bottom having a substantially semicircular cross-section formed horizontally long along the heating rotation axis, and is attached to an upper portion of the bottom and formed substantially the same length as the bottom along the bottom. An upper cover having a substantially semicircular cross section, and a discharge port for discharging processed tea leaves provided at the tea leaf moving end portion of the bottom body,
The heating rotary shaft has a configuration of a tea-making apparatus in which a large number of heating agitating members are protruded from an outer peripheral portion thereof at intervals.
[0007]
And
A machine, a steamer provided in the machine to perform steaming on fresh leaves, and a tea processing machine that is connected to a tea leaf outlet of the steamer, receives the steamed tea leaves, and heats the tea leaves. In a tea making apparatus having
The steamer is rotatably and substantially horizontally mounted on the machine body, and has a steaming body provided with the tea leaf outlet on one side thereof; a steam supply body provided on the other side of the steaming body; An input port for the fresh leaves provided on the outer part of the body, a rotatable steam rotating shaft suspended from the steamer and penetrating the steamer in a substantially horizontal state, and from the steamer to the input port, A steam stirring member provided with a large number protruding at intervals on the outer peripheral portion of the steam rotating shaft,
The tea leaf processing machine includes a heating furnace body attached to the machine body and having a tea leaf inlet on one side thereof connected to the tea leaf outlet, and a tea leaf provided at an upper portion of the heating furnace body and housed in the heating furnace body. A heat source that provides heat to the heating furnace, and has a heating rotating shaft suspended through the airframe that is serially connected in the axial direction with the steaming rotating shaft penetrating the heating furnace body,
The heating furnace body has a bottom having a substantially semicircular cross-section formed horizontally long along the heating rotation axis, and is attached to an upper portion of the bottom and formed substantially the same length as the bottom along the bottom. An upper cover having a substantially semicircular cross section, and a discharge port for discharging processed tea leaves provided at the tea leaf moving end portion of the bottom body,
The heating rotary shaft has a configuration of a tea-making apparatus in which a large number of heating agitating members are protruded from an outer peripheral portion thereof at intervals.
[0008]
Furthermore,
Raw leaves in the tea leaves which have been subjected to steaming in advance are supplied into the heating furnace from the tea leaf inlet of the heating furnace, and the inside of the heating furnace is heated by heating the inside of the heating furnace with a heat source from the upper outside of the heating furnace. While heating the tea leaves accommodated in the heating furnace body by the ambient temperature in the heating furnace body, the heating stirrer protruding from a heating rotating shaft penetrating the heating furnace body, the tea leaves to the tea leaves. The stirring is performed without pressing the heating furnace body, and the tea leaves are transferred from the tea inlet to the other side of the heating furnace body, and the processed tea leaves are discharged from the discharge port provided at the tea leaf moving end portion of the heating furnace body. Take it out,
A method for producing tea in which the tea furnace is made in a substantially closed state in which the inside and outside of the heating furnace is shut off and out of the air except for the tea leaf inlet and the outlet, and in a substantially non-ventilated state in which forced air from the outside is shut off. It is in.
[0009]
Furthermore,
Raw leaves in the tea leaves which have been subjected to steaming in advance are supplied into the heating furnace from the tea leaf inlet of the heating furnace, and the inside of the heating furnace is heated by heating the inside of the heating furnace with a heat source from the upper outside of the heating furnace. While heating the tea leaves accommodated in the heating furnace body by the ambient temperature in the heating furnace body, the heating stirrer protruding from a heating rotating shaft penetrating the heating furnace body, the tea leaves to the tea leaves. The stirring is performed without pressing the heating furnace body, and the tea leaves are transferred from the tea inlet to the other side of the heating furnace body, and the processed tea leaves are discharged from the discharge port provided at the tea leaf moving end portion of the heating furnace body. Take it out,
The method for producing tea in the heating furnace is a method of producing tea in a substantially airtight state in which the tea leaf inlet and the discharge port are shut off and in a substantially non-ventilated state in which forced air from the outside is shut off.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of a tea making apparatus and a tea manufacturing method according to the present invention will be described with reference to the drawings.
In FIGS. 1 to 3, A is a tea-making apparatus showing the first embodiment, which is a machine 1 and fresh leaves b of tea leaves provided on the machine 1 and subjected to a predetermined steaming process by a conventional steamer or the like in advance. It is basically constituted by a tea processing machine 2 which receives and heat-processes the tea leaves b.
[0011]
The body 1 is formed in a horizontally long frame shape.
[0012]
The above-described tea processing machine 2 is provided horizontally on the machine body 1 and includes a heating furnace body 3, a heat source 4, and a heating rotary shaft 5.
Among these, the heating furnace body 3 is formed to be horizontally long along the machine body 1 and fixedly attached to the machine body 1. On one side of the heating furnace body 3, raw leaves b before processing are continuously arranged. Alternatively, an intermittent tea leaf inlet 6 is provided.
[0013]
The heating furnace body 3 includes a bottom body 7 having a substantially semicircular cross section (a cross section orthogonal to the length direction of the horizontal length) formed horizontally long along a heating rotation axis 5 described later, Attached to the upper part of the body 7 and formed along the bottom body 7 to be substantially the same length as the bottom body 7 in a substantially semicircular cross section (similar to the bottom body 7, the cross section is orthogonal to the horizontal length direction). An upper cover 8 and a discharge port 9 provided at the end of the bottom body 7 where the tea leaves are moved to discharge the processed tea leaves b1.
Further, it can be provided so as to be tiltable with respect to the axial direction of the heating rotary shaft 5 by a tilt adjusting means (not shown), and the state of discharging the processed tea leaves b1 from the discharge port 9 and moving the bottom body 7 The transfer speed and transfer amount of the tea leaves b during the processing can be appropriately adjusted by the inclination angle of the bottom body 7.
[0014]
As shown in FIG. 2, the bottom 7 of the heating furnace body 3 has a substantially semicircular cross section (half of a substantially perfect circular cross section) with respect to the substantially horizontal direction of the axis of the heating rotary shaft 5 described later. ).
The upper cover 8 of the heating furnace body 3 may be formed to have a substantially semicircular cross section similar to the bottom body 7, but as shown in FIG. It is preferable to form a space 8a at the swelling portion, which becomes a heated air layer and a scattering layer (leaf bleaching layer) of the tea leaves b by a heating stirring member described later. Furthermore, the upper part of the upper cover 8 does not necessarily have to be arc-shaped, and may be formed in a smooth surface shape or a wavy shape in which the space 8a is obtained.
A discharge port 9 provided in the bottom body 7 is opened at the bottom of the bottom body 7. If necessary, the discharge port 9 is closed by a lid (not shown) to heat the heating furnace 3. The outflow of air is prevented, and the inflow of outside air into the heating furnace body 3 is prevented. Further, the tea leaf inlet 6 is also closed by the lid 10 which can be freely opened and closed during the processing of the tea leaves b (except when the tea leaves b are supplied).
In particular, the inside of the heating furnace body 3 is maintained in a substantially airtight state and in a state in which new forced air does not enter from the outside, that is, a flow of air (gas) does not occur, that is, a substantially non-ventilated state. .
[0015]
When the internal temperature of the heating furnace body 3 rises above a predetermined heating temperature, the operation of the heat source 4 described later is stopped, the amount of heat is reduced, The temperature of the heating furnace body 3 is maintained at an appropriate temperature by adjusting the temperature by appropriately evacuating the air through the exhaust window 11 and the tea leaf inlet 6 provided in the furnace.
In this temperature adjustment, a temperature sensor (not shown) is installed at an appropriate place (one or more places) of the heating furnace body 3, and the detected temperature causes the heat source 4 to be controlled via a control means (not shown). And the opening / closing operation of the damper 12 or the cover 10 is performed.
[0016]
One or more heat sources 4 are provided above the upper cover 8 of the heating furnace body 3 to provide heat to the tea leaves b accommodated in the heating furnace body 3. Appropriate means such as a heater can be used, and the generated heat is transferred to the heating furnace body 3 through the upper cover 8 so that substantially the entire inside of the heating furnace body 3 has a uniform high-temperature heat. Atmosphere.
In this heat source 4, when a gun type gas burner is used, by adjusting the injection angle of the injection flame arbitrarily, for example, as shown in FIG. By inclining it by about 20 ° to 60 °, the injection surface of the injection flame expands, and heating can be performed efficiently and uniformly.
[0017]
Further, the heat source 4 is provided with a cover 13 above the upper cover 8 in the heating furnace 3, and by providing the heat source 4 in the cover 13, the heat source 4 in the cover 13 is used. The heated air that has been heated can be taken out of the take-out part 14 provided on the cover 13 and used as a secondary heat source.
[0018]
The above-mentioned heating rotary shaft 5 penetrates through the inside of the heating furnace body 3 in the longitudinal direction thereof, that is, in parallel with the transfer direction of the tea leaves b. It is suspended by being supported by 15,15.
The heating rotary shaft 5 is continuously or intermittently rotated in one direction by a driving member 16 such as a motor.
[0019]
Further, the heating rotary shaft 5 is provided with a heating and stirring member 17 having a large number protruding from an outer peripheral portion thereof at intervals along an axial direction thereof.
The heating and stirring member 17 radially protrudes in a direction substantially perpendicular to the axial direction of the heating rotary shaft 5, and a plurality of rake-shaped scraping members 17 a are provided at the tip thereof. is there. The scraping member 17a is arranged so as not to abut on the inner wall surface of the bottom body 7, but to have a gap that does not bite the stagnant tea leaves b.
Thereby, with the rotation of the heating rotary shaft 5, the scraping member 17a dredges along the inner wall surface of the bottom body 7 and scoops up, thereby continuously stirring and loosening the tea leaves b being processed. Do it.
[0020]
Further, the heating and stirring member 17 is attached to the heating rotary shaft 5 by projecting in a spiral shape in which the mounting position is changed little by little in the axial direction, so that the fresh leaf b introduced from the tea leaf inlet 6 is bottomed. It functions to smoothly transfer to the outlet 9 while moving on the bottom of the body 7. By providing the scraping member 17a in each heating and stirring member 17 so as not to overlap in the axial direction, a fixed amount is drowned out without scraping all of the fresh leaves b stagnating at the bottom of the bottom body 7, The rest is moved and moved a little to obtain a state of remaining and agitated, so that a large amount of tea leaves is prevented from being transferred by a single dredging.
[0021]
In addition, when the heating and stirring member 17 is attached, the rotation trajectory of the scraping member 17a provided at the tip thereof is provided concentrically with the bottom body 7 having a substantially semicircular cross section as shown in FIG. As shown in the figure, the rotation center s2 of the heating rotary shaft 5 in the heating and stirring member 17 is set to a predetermined eccentric amount in the horizontal and radial directions of the bottom shape of the bottom body 7 with respect to the circular center s1 of the bottom shape of the bottom body 7. By providing and attaching s3, when the heating and stirring member 17 is rotated in the direction of arrow p in the same figure, the tea leaf b layer stagnating on the bottom surface of the bottom body 7 is securely scooped without damaging the tea leaf b. Raising and sifting to the other side of the bottom surface, that is, the so-called leaf wiping action can be performed smoothly.
The eccentric mounting of the heating rotary shaft 5 may be caused not only by the eccentricity in the horizontal direction but also by the eccentricity in the vertical (height) direction.
[0022]
Therefore, the tea producing apparatus and the method for producing tea according to the first embodiment of the present invention configured as described above have the following effects.
The fresh leaves b of the tea leaves to be tea-produced have been subjected to steaming by a conventional steamer in advance.
[0023]
First, in the tea-making apparatus A, the upper cover 8 of the heating furnace 3 was heated from the upper outside by the heat source 4, and the inside of the heating furnace 3 was heated to about 200 ° C. to 400 ° C. Keep in a hot atmosphere.
Further, the inside of the heating furnace body 3 is maintained in a substantially sealed state, and is maintained so that the inflow of air from the outside of the heating furnace body 3 and the flow of the air inside the heating furnace body 3 occur as little as possible. In addition, forced air is hardly blown to the fresh leaves b in the heating furnace 3.
[0024]
Further, in a state where the heating rotary shaft 5 penetrating through the inside of the heating furnace body 3 in the longitudinal direction is rotated at a predetermined speed, the fresh leaves b having passed through the steaming step are placed on one side of the heating furnace body 3. A certain amount is supplied into the heating furnace body 3 from the provided tea leaf inlet 6.
[0025]
Then, the fresh leaves b in the heating furnace body 3 are stirred in the heating furnace body 3 by a number of rotating heating stirring members 17 while being in contact with the heated air in the heating atmosphere in the heating furnace body 3, The heating action is performed evenly on each leaf of the fresh leaf b.
[0026]
In addition, the tea leaves b are agitated by the heating and stirring member 17, and the tea leaves b are transferred to the other side of the heating furnace body 3, that is, toward the discharge port 9. The heat heated by the heat source 4 comes into contact with the tea leaves b via the air in the space 8a in the heating furnace body 3 and by the inner wall heated by the heat source 4, and is gradually transmitted to the tea leaves b. It penetrates to the inside of tea leaf b.
Therefore, the core water of the tea leaf b can be easily obtained.
[0027]
Then, the processed tea leaves b transferred by the heating and stirring member 17 are taken out from the outlet 9 provided at the tea leaf moving end portion of the heating furnace body 3.
[0028]
During the processing of the tea production, as one processing example, the inside of the heating furnace body 3 is in a substantially closed state in which air is not taken in and out, except for a tea leaf inlet 6 and a discharge outlet 9, and is forced from the outside. Tea production is performed in a substantially non-ventilated state in which ventilation is cut off.
As another processing example, tea production is performed in a substantially airtight state in which the tea leaf inlet 6 and the discharge port 9 are shut off and in a substantially non-ventilated state in which forced air blowing from the outside is shut off.
[0029]
The tea leaves b1 thus processed are pressed against the heating furnace body 3, that is, there is no so-called kneading and kneading with strong force, so that the structure of the tea leaves b was not destroyed, and only the surface layer was dried up. Or, since the heated burn state disappears, the greenish appearance of fresh leaves is maintained, and there is no squeezing of tea astringent, so there is no adhesion to the bottom surface of the bottom body 7 in the heating furnace body 3, Does not cause odor adhesion.
[0030]
Further, when the processed tea leaf b was brewed by a conventional method in a coffee shop, it was found that both the aroma and the light blue color were good, the taste was rich, and a sufficient flavor was exhibited.
[0031]
Next, in FIGS. 4 and 5, A is a tea making apparatus according to the second embodiment, in which the tea leaves B of the heating furnace 3 in the tea making apparatus A shown in the first embodiment are fed into the tea leaf inlet 6. This is a configuration in which a steamer 20 for performing a steaming process is connected.
[0032]
The steaming machine is constructed by connecting the machine body 1 formed in a horizontally long frame shape, the steamer 20 provided on the machine body 1 to steam the fresh leaves b, and the tea leaf outlet 21 of the steamer 20. And a tea processing machine 22 for receiving the treated tea leaves b and subjecting the tea leaves b to heat processing.
[0033]
The above-mentioned steamer 20 is rotatably and substantially horizontally attached to the machine body 1 and has a steam drum 24 such as a net drum having a tea leaf outlet 23 on one side (the outlet side of the tea leaf b); A steam supply body 25 provided on the other side (the entrance side of the tea leaves b) and connected to a steam supply pipe (not shown); an input port 26 for fresh leaves b provided outside the steam supply body 25; A rotatable steam rotating shaft 27 suspended from the steamer 20 through the steamer 20 in a substantially horizontal state and supported by bearings 15, 15, and a lengthwise direction (axial direction) from the steamer 24 to the charging port 26. And a steaming and stirring member 28 projecting a large number from the outer periphery of the steaming rotary shaft 27 at intervals.
[0034]
The above-described tea processing machine 22 is basically the same as the structure of the tea processing machine 2 of the tea-making apparatus A shown in the first embodiment, except that the tea inlet 6 is different from that of the first embodiment. In the second embodiment, the structure shown in FIG. 3 is formed in a hopper shape provided on the side wall of the upper cover 8 and is combined with the tea leaf outlet 23 of the steamer 20. Things.
[0035]
That is, the heating furnace body 3 attached to the machine body 1 and having the tea leaf inlet 6 on one side thereof connected to the tea leaf outlet 23, and the heating furnace body 3 provided on the heating furnace body 3 and accommodated in the heating furnace body 3. A heating source 4 for heating the tea leaves and a heating rotary shaft 5 penetrating through the heating furnace body 3 and serially connected in the axial direction to the steam rotary shaft 27 and suspended from the machine body 1.
The heating furnace body 3 includes a bottom body 7 having a substantially semicircular cross section (a cross section orthogonal to the length direction of the horizontal length) formed horizontally long along the heating rotation axis 5, and the bottom body 7. Attached to the upper part and formed along the bottom body 7 to be substantially the same length as the bottom body 7 in a substantially semicircular cross section (similar to the bottom body 7 and cross-section orthogonal to the horizontal length direction) And a discharge port 9 provided at the end of tea leaf movement of the bottom body 7 to discharge the processed tea leaf b1.
The above-mentioned heating rotary shaft 5 is provided with a heating and stirring member 17 having a large number protruding radially at intervals on the outer peripheral portion thereof.
As described above, the heating furnace body 3, the heat source 4, and the heating rotary shaft 5 have the same configuration as the heating furnace body 3, the heat source 4, and the heating rotary shaft 5 shown in the first embodiment. The same reference numerals are given to the same members, and the detailed description thereof uses the description of the first embodiment.
The tea leaf inlet 6 is opened at the side wall of the heating furnace body 3 so as to straddle the bottom body 7 and the upper cover 8 and at the periphery of the heating rotary shaft 5. The outlet 23 has substantially the same size.
[0036]
Therefore, the tea manufacturing apparatus A and the method for manufacturing tea according to the second embodiment of the present invention configured as described above have the following effects.
Fresh leaves b of the tea leaves to be tea-produced are sequentially fed from the inlet 26 of the steamer 20, and transported toward the tea leaf outlet 23 by the steam stirring member 28 attached to the steam rotating shaft 27.
Then, the fresh leaves b come into contact with the steam during the transfer by the steam supplied from the steam supply body 25, are subjected to a predetermined steaming process, and from the tea leaf outlet 23 to the tea leaf inlet 6 of the heating furnace body 3. Conveyed.
[0037]
First, in the tea processing machine 22, the upper cover 8 of the heating furnace body 3 is heated by the heat source 4 from the outside upper part, and the inside of the heating furnace body 3 is heated to about 200 ° C to 400 ° C. Keep in a hot atmosphere.
The inside of the heating furnace body 3 is kept substantially closed so that the inflow of new air from the outside of the heating furnace body 3 and the flow of the air inside the heating furnace body 3 are prevented as much as possible. Therefore, almost no air is blown to the fresh leaves b in the heating furnace body 3.
[0038]
Further, in a state where the heating rotary shaft 5 penetrating through the inside of the heating furnace body 3 in the longitudinal direction is rotated at a predetermined speed, the fresh leaves b having passed through the steaming step are placed on one side of the heating furnace body 3. A certain amount is supplied into the heating furnace body 3 from the provided tea leaf inlet 6.
[0039]
Then, the fresh leaves b in the heating furnace body 3 are stirred in the heating furnace body 3 by a number of rotating heating stirring members 17 while being in contact with the heated air in the heating atmosphere in the heating furnace body 3, The heating action is performed on each leaf of the fresh leaf b.
[0040]
In addition, the tea leaves b are agitated by the heating and stirring member 17, and the tea leaves b are transferred to the other side of the heating furnace body 3, that is, toward the discharge port 9. The heat heated by the heat source 4 comes into contact with the tea leaves b via the air in the space 8a in the heating furnace body 3 and by the inner wall heated by the heat source 4, and is gradually transmitted to the tea leaves b. It penetrates to the inside of tea leaf b.
Therefore, the core water of the tea leaf b can be easily obtained.
[0041]
Then, the processed tea leaves b transferred by the heating and stirring member 17 are taken out from the outlet 9 provided at the tea leaf moving end portion of the heating furnace body 3.
[0042]
During the processing of the tea production, as one processing example, the inside of the heating furnace body 3 is in a substantially closed state in which air is not taken in and out, except for a tea leaf inlet 6 and a discharge outlet 9, and is forced from the outside. Tea production is performed in a substantially non-ventilated state in which ventilation is cut off.
As another processing example, tea production is performed in a substantially airtight state in which the tea leaf inlet 6 and the discharge port 9 are shut off and in a substantially non-ventilated state in which forced air blowing from the outside is shut off.
[0043]
The tea leaves b1 thus processed are pressed against the heating furnace body 3, so that there is no so-called kneading or kneading with a strong force, so that the tissue of the tea leaves b is not destroyed, and only the surface layer is dried up. Alternatively, since the heated burn state disappears, the greenish appearance of fresh leaves is maintained, and the tea astringent is not squeezed out, so that there is no adhesion to the bottom surface of the bottom body 7 in the heating furnace body 3.
[0044]
When this processed tea leaf b was brewed, both the aroma and the light blue color were good, the taste was rich, and a sufficient flavor was exhibited.
[0045]
In the second embodiment, the fresh leaves b plucked from the tea plantation can be directly fed into the steamer 20 to process tea, and the fresh leaves b need not necessarily be in a dry state. Good thing.
Also, the tea leaves b which have been steamed and supplied to the steamer 20 may be in a state where dew or the like has adhered to the surface.
[0046]
【The invention's effect】
As described above, in the present invention, since there is no kneading step, the tea leaves to be processed are prevented from destruction of the tissue by rubbing, and since the core water of the tea leaves is removed by heating, the fragrance is good and the appearance is green. The extracted tea leaves with a strong taste.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional front view showing an embodiment of a tea making apparatus according to a first embodiment employing a method for producing tea according to the present invention.
FIG. 2 is a vertical sectional side view showing the tea making apparatus in FIG.
FIG. 3 is a longitudinal sectional side view of a main part showing an example of attachment of another heating rotary shaft of the tea making apparatus in FIG. 1;
FIG. 4 is a vertical sectional front view showing a tea processing machine according to a second embodiment of the present invention, which employs a method for producing tea according to the present invention, with a part of a tea processing machine omitted;
FIG. 5 is a vertical sectional side view showing the tea making apparatus in FIG. 4;
[Explanation of symbols]
A: Tea making device. b: Tea leaves (fresh leaves). b1 processed tea leaves. 1 ... Airframe. 2,22 ... Tea processing machine. 3. Heating furnace body. 4: Heat source. 5. Heating rotary shaft. 6… Tea leaf entrance. 7 ... Bottom body. 8 ... overlying body. 9 ... outlet. 20 ... Steamer. 24 ... Steamer. 25 ... Steam supply body. 26 ... Input port. 27 ... Steaming rotating shaft. 28 ... Steam stirring member

Claims (4)

Machine, and a tea processing apparatus having a tea processing machine that receives fresh leaves of tea leaves that have been subjected to steaming in advance provided on the machine and heats the tea leaves,
The tea leaf processing machine includes a heating furnace body attached to the machine body and having a tea leaf inlet on one side thereof, and a heat source provided at an upper portion of the heating furnace body to heat tea leaves housed in the heating furnace body. And a heating rotating shaft suspended through the body by penetrating the heating furnace,
The heating furnace body has a bottom having a substantially semicircular cross-section formed horizontally long along the heating rotation axis, and is attached to an upper portion of the bottom and formed substantially the same length as the bottom along the bottom. An upper cover having a substantially semicircular cross section, and a discharge port for discharging processed tea leaves provided at the tea leaf moving end portion of the bottom body,
The heating apparatus according to claim 1, wherein the heating rotary shaft is provided with a heating and stirring member having a large number protruding from an outer peripheral portion thereof at intervals. A machine, a steamer provided in the machine to perform steaming on fresh leaves, and a tea processing machine that is connected to a tea leaf outlet of the steamer, receives the steamed tea leaves, and heats the tea leaves. In a tea making apparatus having
The steamer is rotatably and substantially horizontally mounted on the machine body, and has a steaming body provided with the tea leaf outlet on one side thereof; a steam supply body provided on the other side of the steaming body; An input port for the fresh leaves provided on the outer part of the body, a rotatable steam rotating shaft suspended from the steamer and penetrating the steamer in a substantially horizontal state, and from the steamer to the input port, A steam stirring member provided with a large number protruding at intervals on the outer peripheral portion of the steam rotating shaft,
The tea leaf processing machine includes a heating furnace body attached to the machine body and having a tea leaf inlet on one side thereof connected to the tea leaf outlet, and a tea leaf provided at an upper portion of the heating furnace body and housed in the heating furnace body. A heat source that provides heat to the heating furnace, and has a heating rotating shaft suspended through the airframe that is serially connected in the axial direction with the steaming rotating shaft penetrating the heating furnace body,
The heating furnace body has a bottom having a substantially semicircular cross-section formed horizontally long along the heating rotation axis, and is attached to an upper portion of the bottom and formed substantially the same length as the bottom along the bottom. An upper cover having a substantially semicircular cross section, and a discharge port for discharging processed tea leaves provided at the tea leaf moving end portion of the bottom body,
The heating apparatus according to claim 1, wherein the heating rotary shaft is provided with a heating and stirring member having a large number protruding from an outer peripheral portion thereof at intervals. Raw leaves in the tea leaves which have been subjected to steaming in advance are supplied into the heating furnace from the tea leaf inlet of the heating furnace, and the inside of the heating furnace is heated by heating the inside of the heating furnace with a heat source from the upper outside of the heating furnace. While heating the tea leaves accommodated in the heating furnace body by the ambient temperature in the heating furnace body, the heating stirrer protruding from a heating rotating shaft penetrating the heating furnace body, the tea leaves to the tea leaves. The stirring is performed without pressing the heating furnace body, and the tea leaves are transferred from the tea inlet to the other side of the heating furnace body, and the processed tea leaves are discharged from the discharge port provided at the tea leaf moving end portion of the heating furnace body. Take out,
In the heating furnace, the tea making is performed in a substantially airtight state in which the inflow and outflow of air are blocked except for the tea leaf inlet and the discharge port, and in a substantially non-ventilated state in which forced ventilation from the outside is blocked. Tea production method. Raw leaves in the tea leaves which have been subjected to steaming in advance are supplied into the heating furnace from the tea leaf inlet of the heating furnace, and the inside of the heating furnace is heated by heating the inside of the heating furnace with a heat source from the upper outside of the heating furnace. While heating the tea leaves accommodated in the heating furnace body by the ambient temperature in the heating furnace body, the heating stirrer protruding from a heating rotating shaft penetrating the heating furnace body, the tea leaves to the tea leaves. The stirring is performed without pressing the heating furnace body, and the tea leaves are transferred from the tea inlet to the other side of the heating furnace body, and the processed tea leaves are discharged from the discharge port provided at the tea leaf moving end portion of the heating furnace body. Take it out,
A method for producing tea, characterized in that the tea is produced in a substantially sealed state in which the inside of the heating furnace is closed with the tea leaf inlet and the discharge port, and in a substantially non-ventilated state in which forced air from the outside is shut off.

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