CN212545400U

CN212545400U - Yellow big tea processing production line

Info

Publication number: CN212545400U
Application number: CN202021149873.6U
Authority: CN
Inventors: 宛晓春; 宁井铭; 张叶; 宋彦; 文亮
Original assignee: Anhui Agricultural University AHAU
Current assignee: Anhui Agricultural University AHAU
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-19
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a yellow big tea processing lines relates to yellow tea production facility technical field, including arranging in order and looping through the tedding green machine, the machine of completing, first vexed yellow machine, the machine of twisting, the machine of deblocking, first dynamic drying-machine, the vexed yellow machine of second, second dynamic drying-machine, vexed yellow room and drying-machine of tealeaves conveyor intercommunication, the structure of the vexed yellow machine of first vexed yellow machine and second is the same. The production line of the utility model is arranged in the sequential form of primary stuffiness, primary drying, secondary stuffiness, secondary drying, tertiary stuffiness and old fire pulling, and repeatedly carries out the yellow stuffiness and drying of the tea, thus being beneficial to improving the quality of the yellow stuffiness, and simultaneously keeping the continuity of the production line, and further improving the product quality and the production efficiency; the sprocket that drives the operation of heap shutter plate in the yellow quick-witted box that smoothes is the intermittent type formula motion, drives the heap shutter plate and does the intermittent type formula motion, makes the thickness of carrying into tealeaves suitably thicken, and the heat that reduces the blade scatters and disappears, does benefit to the maintenance of stifled yellow in-process temperature, and then does benefit to the control of stifled yellow quality.

Description

Yellow big tea processing production line

Technical Field

The utility model relates to a yellow tea production facility technical field, concretely relates to a production line for processing of big yellow tea.

Background

Tea leaves are from China, tea drinking also starts in China, and tea culture has a long history in China. Tea leaves contain a plurality of unique components, which is beneficial to human health after long-term drinking, and tea drink is also known as one of the three major drinks in the world.

The yellow tea is a special product in China and can be divided into small yellow tea and large yellow tea according to the size of old tender shoots and leaves of fresh leaves. The processing and soaking of the big yellow tea have been for more than four hundred years, and the big yellow tea has large leaves, long stems, thick branches, dark yellow liquor color and strong burnt fragrance. The processing technology of the yellow tea is similar to that of the green tea in general, but before or after the drying process, the yellow tea needs to be added with a yellow-smothering procedure. The yellow-sealing process of the yellow tea promotes substances such as polyphenol chlorophyll and the like in the tea leaves to be oxidized, so that the tea leaves have golden color and mellow taste.

The water content of the leaves and the temperature of the leaf surface are main factors influencing the quality of the stuffy yellow, and the higher the humidity and the temperature are, the faster the leaf yellowing speed is. In the conventional tea production water-removing process, water vapor and hot gas in the water-removing machine are directly discharged, so that waste of heat energy is caused; meanwhile, the temperature and humidity in the process of yellowing cannot be controlled in the initial yellowing process, and the yellowing effect fluctuates along with the change of environmental weather, so that the product quality is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model provides a yellow big tea processing production line just in order to avoid the weak point that above-mentioned prior art exists.

The utility model discloses a solve technical problem and adopt following technical scheme: a big yellow tea processing production line comprises a tea spreading machine, a tea deactivating machine, a first yellow stewing machine, a rolling machine, a deblocking machine, a first dynamic dryer, a second yellow stewing machine, a second dynamic dryer, a yellow stewing chamber and a dryer which are sequentially arranged and communicated through a tea conveying device, wherein the first yellow stewing machine and the second yellow stewing machine are identical in structure and comprise box bodies, the top of one side and the bottom of the other side of each box body are respectively provided with a tea inlet and a tea outlet, an upward tea slope is obliquely arranged from low to high, the tail ends of the upward tea slopes are communicated with the tea inlets, and the tops of the box bodies are communicated with a gas pipeline; the overlapped type louver boards are installed in the box body through chain wheels arranged at two ends of the overlapped type louver boards, each overlapped type louver board is horizontally arranged in the box body from top to bottom, two adjacent overlapped type louver boards are arranged in the overlapped type louver boards, the tail end of the rotation direction of the upper portion louver board of each overlapped type louver board, which is positioned below, extends out to the outer side of the end portion corresponding to the overlapped type louver board, and each chain wheel is externally connected with a motor.

Furthermore, the enzyme deactivating machine is a continuous roller enzyme deactivating machine and comprises a cylindrical shell, the front end and the tail end of the cylindrical shell are respectively provided with a leaf feeding device and a leaf conveying device, the cylindrical shell is supported and fixed by a frame arranged at the bottom of the cylindrical shell, the interior of the cylindrical shell is rotatably connected with a barrel, the top of the cylindrical shell is provided with an exhaust pipe communicated with the interior of the cylindrical shell, and a heating structure for heating the interior of the cylindrical shell and a barrel driving mechanism for driving the barrel to rotate are arranged on the exhaust pipe; and each spiral plate is fixedly arranged in the cylinder body.

Furthermore, the spiral plate is sequentially provided with a leaf pushing guide plate, a working guide plate and a leaf outlet guide plate from front to back along the axis direction of the spiral plate, and the spiral angles of the working guide plate, the leaf outlet guide plate and the leaf pushing guide plate are sequentially increased.

Further, the spiral angles of the leaf pushing guide plate, the working guide plate and the leaf outlet guide plate are respectively 50 degrees, 15 degrees and 45 degrees.

Further, the length of the water-removing machine barrel is more than 5m, wherein the length of the leaf pushing guide plate is at least 50cm from the inlet, the length of the leaf outlet guide plate is at least 50cm from the outlet, and the length of the working guide plate is at least 400cm between the leaf pushing guide plate and the leaf outlet guide plate.

Further, the number of the spiral plates is five, and the height of the spiral plates is 7 cm.

Further, the exhaust pipe is provided with an exhaust pipe branch communicated with the box body, and an exhaust pipe valve is arranged on the exhaust pipe branch.

Furthermore, an exhaust fan is arranged in the exhaust pipe.

Furthermore, each overlapping type louver board is staggered in the length direction from top to bottom, and the rotating directions of two adjacent overlapping type louver boards are opposite.

Furthermore, a temperature and humidity sensor is arranged in the box body, and a valve is arranged on the gas pipeline.

The utility model provides a yellow big tea processing lines has following beneficial effect:

1. the production line is arranged in a sequential mode of primary stuffiness, primary drying, secondary stuffiness, secondary drying, tertiary stuffiness and aging fire, and the yellowing and drying of the tea are repeatedly performed, so that the quality of the yellowing is improved, the continuity of the production line is kept, and the product quality and the production efficiency are improved;

2. the chain wheel which drives the stacked louver boards to operate in the yellow smoldering machine box body moves intermittently to drive the stacked louver boards to move intermittently, so that the thickness of tea conveyed into the box body is thickened properly, heat loss of the tea leaves is reduced, temperature maintenance in the yellow smoldering process is facilitated, and further yellow smoldering quality control is facilitated;

3. the heat in the fixation machine is directly introduced into the first yellow stewing machine in the next step, so that the heat in the fixation machine is recycled, the energy is saved, and the control of the processing cost is facilitated;

4. a temperature and humidity sensor is arranged in the first yellow stewing machine, the exhaust pipe valve of the green removing machine can be adjusted according to the real-time temperature and humidity in the yellow stewing machine so as to adjust the heat quantity of the green removing machine led into the box body, the adjustment of the heat quantity led into the box body can also be realized by adjusting the opening degree of the valve, the temperature and the humidity in the yellow stewing process are further controlled, and the product quality is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a first yellow stewing machine and a second yellow stewing machine of the present invention;

fig. 3 is a schematic structural view of the water-removing machine of the present invention.

In the figure:

1. spreading green tea leaves; 2. the green removing machine comprises a green removing machine 21, a rack 22, a cylindrical shell 23, a cylinder 24, a leaf feeding device 25, a leaf conveying device 26, a spiral plate 261, a leaf pushing guide plate 262, a working guide plate 263, a leaf discharging guide plate 27, a heating structure 28, an exhaust pipe 281, an exhaust pipe valve 282, an exhaust fan 29 and a cylinder driving mechanism; 31. the tea making device comprises a first yellow stewing machine 301, a tea slope ascending machine 302, an air conveying pipeline 303, a valve 304, a box body 305, a lap-type louver board 306, a chain wheel 307, a tea outlet 308, a temperature and humidity sensor 32, a second yellow stewing machine 33 and a yellow stewing chamber; 4. a rolling machine; 5. a tea conveying device; 6. a deblocking machine; 71. first dynamic dryer, 72, second dynamic dryer, 73, dryer.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the structural relationship is as follows: the tea leaf steaming and drying device comprises a tea leaf spreading machine 1, a water removing machine 2, a first yellow stewing machine 31, a rolling machine 4, a deblocking machine 6, a first dynamic drying machine 71, a second yellow stewing machine 32, a second dynamic drying machine 72, a yellow stewing chamber 33 and a drying machine 73 which are sequentially arranged and communicated through a tea leaf conveying device 5, wherein the first yellow stewing machine 31 and the second yellow stewing machine 32 are identical in structure and comprise a box body 304, the top of one side and the bottom of the other side of the box body are respectively provided with a tea inlet and a tea outlet 307, a tea ascending slope 301 is obliquely arranged from low to high, the tail end of the tea ascending slope is communicated with the tea inlet, and the top of the box body 304 is communicated with a gas pipeline 302; the overlapping louver boards 305 are installed in the housing 304 by sprockets 306 installed at both ends thereof, each overlapping louver board 305 is horizontally installed in the housing 304 from top to bottom, the end of the upper louver board of one overlapping louver board 305 located below in the two adjacent overlapping louver boards 305 in the rotating direction extends to the outside of the end corresponding to the upper overlapping louver board 305, and each sprocket 306 is externally connected with a motor.

Preferably, the enzyme deactivating machine 2 is a continuous roller enzyme deactivating machine, and comprises a cylindrical shell 22, the front end and the tail end of which are respectively provided with a leaf loading device 24 and a leaf conveying device 25, the cylindrical shell 22 is supported and fixed by a frame 21 arranged at the bottom of the cylindrical shell, the interior of the cylindrical shell is rotatably connected with a cylinder 23, the top of the cylindrical shell is provided with an exhaust pipe 28 communicated with the interior of the cylindrical shell, and the cylindrical shell is provided with a heating structure 27 for heating the interior of the cylindrical shell and a cylinder driving mechanism 29 for driving the cylinder 23 to rotate; the helical plates 26 are fixed inside the cylinder 23.

Preferably, the spiral plate 26 is sequentially provided with a blade pushing guide plate 261, a working guide plate 262 and a blade discharging guide plate 263 from front to back along the axial direction thereof, and the spiral angles of the working guide plate 262, the blade discharging guide plate 263 and the blade pushing guide plate 261 are sequentially increased.

Preferably, the spiral angles of the push blade guide 261, the working guide 262 and the exit blade guide 263 are 50 °, 15 ° and 45 °, respectively.

Preferably, the length of the cylinder 23 of the water-removing machine is more than 5m, wherein the length of the leaf pushing guide 261 is at least 50cm from the inlet, the length of the leaf outlet guide 263 is at least 50cm from the outlet, and the length of the working guide 262 is at least 400cm between the leaf pushing guide 261 and the leaf outlet guide 263. Aiming at the characteristics of the yellow tea, the length of the water-removing machine cylinder 23 of the water-removing machine 2 is increased, so that the processing time of the leaves under the high-temperature condition is longer, the conversion of chlorophyll and polyphenols is promoted, and the yellowing of the leaf color is promoted.

Preferably, the number of spiral plates 26 is five and the height is 7 cm.

Preferably, the exhaust pipe 28 is provided with an exhaust pipe branch communicated with the tank 304, and an exhaust pipe valve 281 is arranged on the exhaust pipe branch.

Preferably, a fan 282 is disposed within the exhaust duct 28.

Preferably, the respective overlapping slats 305 are staggered in the longitudinal direction from top to bottom, and the rotation directions of two adjacent overlapping slats 305 are opposite.

Preferably, a temperature and humidity sensor 308 is arranged in the box body 304, and a valve 303 is arranged on the gas pipeline 302. In the yellow smoldering process, the opening degree of the valve 303 can be adjusted according to the information acquired by the temperature and humidity sensor 308 in real time, so that the temperature and humidity in the box body 304 can be adjusted, and further the yellow smoldering quality can be guaranteed.

Specifically, as shown in fig. 1, the processing is performed in order of the layout of the processing line. Delivering the picked fresh leaves into a tea leaf spreading machine 1 for spreading, delivering the tea leaves subjected to spreading into a de-enzyming machine 2 for de-enzyming through a corresponding tea leaf conveying device 5 after the spreading is finished, wherein the de-enzyming time is 3-3.5 min. After the tea leaves are completely de-enzymed, the tea leaves are output from the leaf conveying device 26 of the de-enzyming machine 2 and conveyed to the first yellow stewing machine 31 through the corresponding tea leaf conveying device 5 for primary stewing. After the tea leaves are sealed to yellow by the first yellow sealing machine 31, the tea leaves are sent out from the tea outlet 307 and are conveyed into the rolling machine 4 for rolling by the corresponding tea conveying device 5. The tea leaves are rolled and then are agglomerated into tea ball, and the tea ball is conveyed into a deblocking machine 6 by a corresponding tea conveying device 5. The tea leaves are uniform in size after being deblocked, are sent into a first dynamic dryer 71 through corresponding tea conveying devices 5 for primary drying, are sequentially sent into a second yellow stewing machine 32 through corresponding tea conveying devices 5 for secondary stewing processing, are sent into a second dynamic dryer 72 for secondary drying, are sent into a yellow stewing chamber 33 for tertiary stewing, and are finally sent into a dryer 73 for aging fire.

The water-removing process of the water-removing machine 2 is that the cylinder body driving mechanism 29 drives the cylinder body 23 which is rotationally connected in the cylindrical shell 22 to rotate, and meanwhile, the heating structure 27 works to provide a high-temperature water-removing environment in the cylinder body 23; the tea leaves enter the cylinder 23 from the upper leaf device 24, rotate under the action of the spiral plate 26 and move towards the outlet of the cylinder 23, and finally are sent out from the leaf conveying device 25.

The exhaust pipe 28 is arranged at the top of the cylinder shell 22, and heat generated by the heating structure 27 in the water-removing process can be exhausted from the exhaust pipe 28 and can be sent into the box body 304 of the first yellow stewing machine 31 through the exhaust pipe branch, so that the heat energy can be recycled. The exhaust fan 282 in the exhaust pipe 28 can accelerate the flow of heat energy and moisture, and the exhaust valve 281 can control the heat energy of the green removing machine 2 to the first yellow stewing machine 31.

The first and

second yellowing machines

31 and 32 are designed to yellow tea leaves through the tea inlet on the tea slope 301 into the box 304 and fall down to the uppermost overlapping louver 305. When the power device is operated, the chain wheels 306 are driven to rotate, and the overlapping slats 305 are driven to rotate. The tea leaves follow the corresponding overlapping louver 305, and when the tea leaves move to the end of the overlapping louver 305, the tea leaves fall from the end to an adjacent overlapping louver 305 located below the overlapping louver 305, and continue to follow the overlapping louver 305 until the tea leaves move to the end of the overlapping louver 305 located at the bottom, and are discharged from the tea outlet 307.

The motor can drive each chain wheel 306 to move intermittently, so that the overlapping type louver boards 305 move intermittently, and when the overlapping type louver boards 305 stop moving, the tea inlet continuously feeds tea, so as to control the thickness of tea paving on the overlapping type louver boards 305. In actual production, the tea paving thickness is preferably about 10 cm.

In the yellow smoldering process, the opening degrees of the adjusting valve 303 and the exhaust pipe valve 281 can be controlled by the programmable logic controller PLC according to the information acquired by the temperature and humidity sensor 308 in real time, so that the temperature and humidity in the box body 304 can be adjusted, and the yellow smoldering quality can be further ensured; when the temperature and humidity in the box 304 meet the requirement of yellow block, the exhaust fan 282 may also exhaust the hot and humid air in the de-enzyming machine 2 to the external space through the exhaust pipe 28.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a yellow big tea processing lines which characterized in that: the tea processing device comprises a tea spreading machine (1), a de-enzyming machine (2), a first yellow stewing machine (31), a rolling machine (4), a deblocking machine (6), a first dynamic dryer (71), a second yellow stewing machine (32), a second dynamic dryer (72), a yellow stewing chamber (33) and a dryer (73) which are sequentially arranged and communicated through a tea conveying device (5), wherein the first yellow stewing machine (31) and the second yellow stewing machine (32) are identical in structure and comprise a box body (304) with a tea inlet and a tea outlet (307) respectively arranged at the top of one side and the bottom of the other side, a tea ascending slope (301) is obliquely arranged from low to high, the tail end of the tea ascending slope is communicated with the tea inlet, and the top of the box body (304) is communicated with an air conveying pipeline (302); overlapping type louver boards (305) are installed in the box body (304) through chain wheels (306) arranged at two ends of the overlapping type louver boards (305), each overlapping type louver board (305) is horizontally arranged in the box body (304) from top to bottom, two adjacent overlapping type louver boards (305) are arranged in the overlapping type louver boards (305), one of the lower side is arranged on the lower side, the tail end of the rotating direction of the upper portion louver board of the overlapping type louver boards (305) extends to one of the upper side, the outer side of the end portion corresponding to the overlapping type louver boards (305) is connected with a motor, and each chain wheel (306) is connected with an external motor.

2. The yellow big tea processing production line according to claim 1, characterized in that: the green removing machine (2) is a continuous roller green removing machine and comprises a cylindrical shell (22) of which the front end and the tail end are respectively provided with a leaf feeding device (24) and a leaf conveying device (25), the cylindrical shell (22) is supported and fixed through a rack (21) arranged at the bottom of the cylindrical shell, the interior of the cylindrical shell is rotatably connected with a cylinder (23), the top of the cylindrical shell is provided with an exhaust pipe (28) communicated with the interior of the cylindrical shell, and the cylindrical shell is provided with a heating structure (27) for heating the interior of the cylindrical shell and a cylinder driving mechanism (29) for driving the cylinder (23) to rotate; and each spiral plate (26) is fixedly arranged in the cylinder body (23).

3. The yellow big tea processing production line according to claim 2, characterized in that: the spiral plate (26) is sequentially provided with a leaf pushing guide plate (261), a working guide plate (262) and a leaf outlet guide plate (263) from front to back along the axis direction of the spiral plate, and the spiral angles of the working guide plate (262), the leaf outlet guide plate (263) and the leaf pushing guide plate (261) are sequentially increased.

4. The yellow big tea processing production line according to claim 3, characterized in that: the spiral angles of the leaf pushing guide plate (261), the working guide plate (262) and the leaf outlet guide plate (263) are respectively 50 degrees, 15 degrees and 45 degrees.

5. The yellow big tea processing production line according to claim 3, characterized in that: the length of the de-enzyming machine barrel body (23) is more than 5m, wherein the length of the leaf pushing guide plate (261) is at least 50cm from an inlet, the length of the leaf outlet guide plate (263) is at least 50cm from an outlet, and the length of the working guide plate (262) is at least 400cm between the leaf pushing guide plate (261) and the leaf outlet guide plate (263).

6. The yellow big tea processing production line according to claim 2, characterized in that: the number of the spiral plates (26) is five, and the height is 7 cm.

7. The yellow big tea processing production line according to claim 2, characterized in that: the exhaust pipe (28) is provided with an exhaust pipe branch communicated with the box body (304), and an exhaust pipe valve (281) is arranged on the exhaust pipe branch.

8. The yellow big tea processing production line according to claim 2, characterized in that: an exhaust fan (282) is arranged in the exhaust pipe (28).

9. The yellow big tea processing production line according to claim 1, characterized in that: the overlapped type louver boards (305) are arranged in a staggered mode from top to bottom in the length direction, and the rotating directions of two adjacent overlapped type louver boards (305) are opposite.

10. The yellow big tea processing production line according to claim 1, characterized in that: a temperature and humidity sensor (308) is arranged in the box body (304), and a valve (303) is arranged on the gas pipeline (302).