CN103404631B - Automatic production line of tea leaves - Google Patents

Abstract

An automatic tea production line, comprising an automatic fresh leaf storage device, a withering device, an automatic rolling device, a fermentation device, a tight strip re-drying device, and a drying device, the fresh leaf automatic storage device is connected to the withering device, and the withering device is connected to the automatic rolling device, The automatic kneading device is connected with the fermentation device, the fermentation device is connected with the sliver re-drying device, and the sliver re-drying device is connected with the drying device. The automatic tea production line of the invention realizes a continuous and automatic production process from fresh leaf storage to raw tea drying, and each device can be used independently according to needs. At the same time, the production and processing of tea can achieve the effect of automatic temperature control and time control, so as to ensure the stable quality of each batch of products.

Description

An automated tea production line

technical field

The invention relates to an automatic tea production line, which relates to the field of tea.

Background technique

The degree of machinery determines the level of development of the tea industry. With the continuous improvement of the mechanization level of tea processing in recent years, various mechanized production processes of tea have become more common. The wide application of tea machinery reduces labor intensity, improves production efficiency and ensures the quality of tea. However, most of these devices are still used on a stand-alone basis, and cannot form automated or continuous production. They still need manual assistance and are operated by experience. In addition, there are still problems such as low production efficiency, non-standard technology, unstable product quality, and inability to realize standardized production. Stand-alone operation is more suitable for small tea processing factories and processing farmers, and cannot meet the needs of tea commodity production and development.

Contents of the invention

In order to overcome the shortcomings of traditional tea processing technology, the invention provides an automatic tea production line, which solves the disadvantages of traditional manual and semi-automatic processing in the prior art. After adopting this production line, the fresh leaves are stored, withered, rolled, fermented, dried and other processes to realize intelligent and automatic transmission and processing.

The technical solution adopted by the present invention is: an automatic tea production line, including an automatic fresh leaf storage device, a withering device, an automatic rolling device, a fermentation device, a tight re-drying device, and a drying device, and the fresh leaf automatic storage device is connected to the withering device , the withering device is connected with an automatic rolling device, the automatic rolling device is connected with a fermentation device, the fermentation device is connected with a tight sliver re-drying device, and the tight sliver re-drying device is connected with a drying device.

The automatic storage device for fresh leaves includes a storage box, an air supply device, and a pick-off device. The storage box includes a plurality of cells, and the upper layer of the cells is provided with side plates for the accumulation and storage of fresh leaves; The inside of the storage box is composed of an upper frame and a lower frame structure. The inside of the storage box is provided with crawlers, which are used to circulate fresh leaves; one side of the storage box is provided with a pick-off device, and the air supply device is located below the storage box. The air supply device is used for supplying air to the fresh leaves in the storage box.

The withering device includes a rotary wither and a drum wither.

The drum-type withering machine includes a frame on which a rotating cylinder and a driving device are installed. The driving device is connected to the rotating cylinder through a transmission mechanism. A hot air generator is arranged on one side of the rotating cylinder. The hot air The hot air generated by the generator heats the inside and outside of the rotating cylinder to wither. The rotating cylinder is installed on the frame in an inclined state, and the rotating cylinder is formed by drilling holes in metal plates.

The automatic kneading device includes four automatic kneading machines, which work independently of each other and are used for kneading, pressurizing, putting in and taking out the withered leaves.

The fermenting device is composed of four automatic fermenting machines, which work independently of each other, and are used for heating and keeping warm leaves and supplying air to the center of the kneading leaves.

The tight sliver re-drying device includes a rotating drum, and a crosspiece is arranged in the rotating drum.

A method of withering tea leaves. The rotary withering machine withers the tea leaves through warm air, so that the tea leaves are spread in a certain tea layer, and at the same time, the tea leaves are rotated and stirred; the drum type withering machine withers the tea leaves twice through the warm air. The tea leaves are put into the rotary cylinder, and the withering is adjusted while stirring; the automatic kneading machine device kneads the withered tea leaves, destroys the cell tissue of the tea leaves, and promotes fermentation while shaping.

A kind of tea automatic production line of the present invention, beneficial effect is as follows:

1. The fresh leaf automatic storage device is equipped with artificial air supply and humidification device to ensure the freshness of tea and prevent fresh tea from corruption. At the same time, it adopts the function mode of automatic input and removal, which saves labor and improves work efficiency.

2. The rotary withering machine can not only spread the tea leaves in any tea layer, but also has the functions of rotation and stirring. At the same time, during the withering process, the warm air is introduced through the air supply device? The gas hot air generator to create the best withering conditions The drum withering machine uses warm air to wither the tea leaves for the second time, and the tea leaves are put into the rotary cylinder, and the withering is adjusted while stirring, so as to make up for the lack of withering in the previous process.

3. The automatic kneading unit is used to automatically control the input and removal of withered leaves and the up and down movement of the heavy pressure plate. The self-controlled box-type fermentation device has the function of heating and heat preservation, and can supply air intermittently to the center of the tea leaves to ensure a suitable temperature and sufficient oxygen supply during the fermentation process to prevent uneven fermentation.

4. The tight strip re-drying device and drying device use gas as heating energy to save costs. The crosspiece in the rotating cylinder of the tight strip drying device has the function of stirring to make the tea roll itself, which can further knead and curl the fermented leaves.

The automatic tea production line of the present invention realizes a continuous and automatic production process from fresh leaf storage to raw tea drying, and at the same time, each device can be used independently according to needs. At the same time, the production and processing process of tea can achieve the effect of automatic temperature control and time control, so as to ensure the stable quality of each batch of products.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Fig. 1 is a structural schematic diagram of an automatic tea production line according to the present invention.

Fig. 2 is a structural schematic diagram of the automatic storage device for fresh leaves of the present invention.

Fig. 3 is a structural schematic diagram of the drum type withering machine of the present invention.

Detailed ways

As shown in Figure 1, a kind of automatic tea production line comprises fresh leaf automatic storage device 1, withering device 2, automatic kneading device 3, fermentation device 4, tight bar re-drying device 5, drying device 6, described fresh leaf automatic storage The device 1 is connected to the withering device 2, the withering device 2 is connected to the automatic rolling device 3, the automatic rolling device 3 is connected to the fermentation device 4, the fermentation device 4 is connected to the tight sliver re-drying device 5, and the tight sliver re-drying device 5 is connected to the drying device 6.

Working principle: The fresh leaf automatic storage device 1 is equipped with a blower fan and a humidifier, and artificially blows air and humidifies the fresh leaves. The withering device 2 is composed of a rotary withering device and a rotary withering device. The gas hot air generator converts the gas flame into warm air, which is transported from the bottom to the main body of the withering machine through the air supply device to wither fresh leaves. The drum-type withering machine stirs the fresh leaves through the rotation of the rotating cylinder, and uses the warm air to wither the tea leaves for the second time. The automatic kneading device 3 is made up of four automatic kneading machines, which automatically controls the kneading, pressurization, input and removal of the withered leaves. The fermenting device 4 of self-control box type is made up of four automatic fermenting machines, and the rolling leaf is heated, kept warm, and the central part supplies air to ensure the smooth progress of fermentation. The tight strip re-drying device 5, while suspending the fermentation, rubs the fermented leaves more meticulously, and finally the drying device 6 completes the drying process.

The fresh leaf automatic storage device 1 includes a storage box 1.1, an air supply device 1.2, and a peeling device 1.3. The storage box 1.1 includes a plurality of cells, and the upper layer of the cell is provided with a side plate for fresh leaves. Stacking and storage; the inside of the storage box 1.1 is composed of an upper frame and a lower frame structure, and the inside of the storage box 1.1 is provided with crawlers, which are used to circulate fresh leaves; one side of the storage box 1.1 is provided with a scraping device 1.3, and the air supply The device 1.2 is located under the storage box 1.1. With the accumulation of fresh leaves inside the box, the fresh leaves will sink after a long time, and the overall ventilation of the fresh leaves will decrease. The air supply device of the plate fan will 1.2 can achieve the purpose of not reducing the air volume and prevent the occurrence of leaf burning. The falling device 1.3 is positioned at the back of the storage box 1.1, which can gently untie and loosen the fresh leaves that have been stacked and fastened for a long time and transport them to the vibrating conveyor belt without causing damage to the fresh leaves. The fresh leaf automatic storage device 1 can artificially supply air and humidify the fresh leaves, and prevent the fresh leaves from being burned during the preservation process of the fresh leaves, and adopts the function mode of automatic input and removal.

Rotary withering device 2: includes the main body of the withering machine, an air supply device, a gas hot air generator, a driving device, a scraping shaft, a scraping device, and a control device. When working, the driving device drives the crawler to transport the tea leaves to the main body of the withering machine. The gas hot air generator converts the gas flame into warm air, which is sent from the bottom to the main body of the withering machine through the air supply device to wither the fresh leaves. When rotating, the falling shaft can adjust the accumulated height of the tea layer arbitrarily set, so that the fresh leaves wither uniformly. After the withering is over, the fresh leaves are taken out, and the falling device breaks up the tea leaves falling on the conveyor belt. The control relationship displays and adjusts the rotation, input, removal, withering degree, time, temperature, air volume, and rotation speed of tea leaves, and controls the tea leaves to wither to reach the target value of withering and weight loss ratio within the set time. The rotary withering device withers the tea leaves through warm air, which not only allows the tea leaves to be spread in any tea layer, but also has the function of rotating and stirring the tea leaves, and can automatically put in, take out, and wither through the control panel. control.

As shown in Figure 3, the drum-type withering machine includes a frame 2.1, on which a rotating cylinder 2.2 and a driving device 2.3 are installed, and the driving device 2.3 is connected to the rotating cylinder 2.2 through a transmission mechanism, and the rotating cylinder A hot air generator 2.4 is arranged on one side of the body 2.2, and the hot air generated by the hot air generator 2.4 heats and withers the inside and outside of the rotating cylinder 2.2, and the rotating cylinder 2.2 is installed on the frame 2.1 in an inclined state. The cylinder 2.2 is formed by drilling holes in sheet metal. When the tea leaves are put in, the rotary cylinder is tilted, and fresh leaves are uniformly put in from the input port while the cylinder is rotating. During work, the rotary cylinder 2.2 rotates to stir the fresh leaves, and at the same time, the hot air generated by the hot air generator 2.4 is blown into the cylinder from the inside and blows into the cylinder from the outside to wither the withered leaves. Within a set time, reduce to the target weight. Finally, by rotating the cylinder 2.2, the speed is reduced, tilted, rotated, and the cover is opened, and the tea leaves are taken out from the outlet below the edge of the cylinder. It can automatically control the input, removal, withering temperature, ventilation volume, withering time, rotation speed, etc. of tea leaves. The drum-type withering machine uses warm air to wither the tea leaves for the second time. The tea leaves are put into the rotary cylinder, and the withering is adjusted while stirring to make up for the lack of withering in the previous process. At the same time, the drum-type withering device is a controllable quantitative continuous method. Simple.

Automatic kneading machine device 3 comprises frame, kneading dish, weight plate, bowl body, take-out device. The frame is mainly composed of angle steel, and there are kneading pans, heavy pressure pans, bowls, etc. on the upper part. Several corrugated kneading strips are welded on the surface of the kneading plate, and a circular take-out device is installed in the center of the kneading plate, which can automatically control the opening and closing to take out the tea leaves. The heavy pressure plate pressurizes and kneads the tea leaves put into the bowl from top to bottom, from no pressure, light pressure, heavy pressure, and repeated pressure to compress the tea leaves. By controlling the heavy pressure plate The up and down movement pressurizes the tea leaves, and at the same time, the tea leaves are twisted by turning the bowl. The automatic kneading machine device is composed of four automatic kneading machines, working in parallel; basically, the withering amount of tea leaves in one drum-type withering device corresponds to the kneading amount of one automatic kneading machine device, and the automatic kneading machine device is used for the withered tea leaves. Kneading breaks down the cell structure of the tea leaves and shapes them while promoting fermentation. Putting in and taking out are all carried out automatically, and the way of controlling the heavy pressure plate to move up and down is used to knead the tea leaves.

The fermentation device 4 includes a fermentation machine main body, a control device, a heater, and the like. The inner wall of the main body of the fermentation machine is a double insulation structure made of punched metal plate stainless steel. The control relationship controls the input and removal of tea leaves, the temperature of the heater sleeve, ventilation, and air supply, etc. The heater heats the main body of the fermenter. The kneading amount of one kneading machine is put into a box-type fermentation machine, and the maximum fermentation volume is 150kg, and the thickness of the tea layer can reach 50cm. During fermentation, heat and keep warm the rolled leaves, and intermittently supply air to the center of the tea leaves to ensure smooth fermentation and prevent uneven fermentation. The fermentation device consists of four automatic fermentation machines, which are box-type fermentation machines made of stainless steel with double heat preservation structure with heating and ventilation functions. In order to achieve the purpose of intermittently supplying air to the center of the tea leaves when the tea layer thickness is (approximately 50 cm), the phenomenon of uneven fermentation will not occur at the same time.

Tight sliver re-drying device 5: The tight sliver re-drying device includes a rotary cylinder, a driving device, a take-out device, a gas hot air generator, etc. The gas hot air generator converts the gas flame into hot air and sends it to the stainless steel rotary cylinder to effectively inhibit the fermentation of tea leaves. At the same time, the stirring of the crosspiece in the rotary cylinder and the rolling motion of the tea leaves can knead and knead the fermented leaves more carefully. Curl and shape. The variable speed of the rotary cylinder is controlled by the converter, and the rotary cylinder is reduced to a low speed and reversed to take out the tea leaves when it is taken out. The tight strip and re-drying device shapes the tea leaves into a thin, curved and tight shape through rotary operation, and terminates the fermentation of the tea leaves. The rotary motion is the way to stir the tea leaves by turning the stack inside the drum.

Drying device 6: The drying device includes the main body of the dryer, an elevator, a speed change device, a take-out device, a loose tea recovery device, a hot air generator, etc. The function of the elevator is to store the tea leaves through the hopper, convey them through the circular conveyor, and send the tea leaves into the main body of the dryer from the upper delivery end. The main body of the dryer conveys the tea from the upper section to the lower section through the crawler belt, and the speed change device controls the running speed of the crawler belt through the frequency converter. The heat exchange generates hot air and blows in from the side of the main body of the dryer for drying. After the drying process, the tea leaves are transported to the outside of the body through the rotary operation of the take-out device. At this time, the hot air is not released when the tea leaves are taken out. A rotary valve is used to recover the hot air outside the machine. The part of the tea that falls during the process of moving on the track is recovered to the take-out valve by the rotary brush of the loose tea recovery device. It is a process in which the hot air sent by the hot air generator blows the tea leaves during the conveying process from the upper section to the lower section on the crawler conveyor. The time, temperature, air volume, etc. can be set on the control box, and the operation is simple.

Claims (2)

1. a tealeaves automatic production line, comprise the automatic storage facilities of fresh leaf (1), deterioration device (2), automatic knead entwist device (3), installation for fermenting (4), tight bar equipment for drying (5), drying device (6) again, it is characterized in that, the automatic storage facilities of described fresh leaf (1) connects deterioration device (2), deterioration device (2) connects automatic knead entwist device (3), automatic knead entwist device (3) connects installation for fermenting (4), installation for fermenting (4) connects tight bar equipment for drying (5) again, and tight bar again equipment for drying (5) connects drying device (6);

The automatic storage facilities of described fresh leaf (1) comprises hutch (1.1), air-supply arrangement (1.2), takes off dropping control device (1.3), and described hutch (1.1) comprises multiple cell, and the upper strata of described cell is provided with side plate, for the heap sum keeping of fresh leaf; Described hutch (1.1) inside composition upper frame, lower frame framework, described hutch (1.1) inside is provided with crawler belt, and crawler belt transports fresh leaf for circulating; Hutch (1.1) side is provided with takes off dropping control device (1.3), and air-supply arrangement (1.2) is positioned at the below of hutch hutch (1.1), and air-supply arrangement (1.2) is for blowing to fresh leaf in hutch (1.1); Described deterioration device (2) comprises rotary deteriorating machine and drum-type deteriorating machine;

Described drum-type deteriorating machine comprises frame (2.1), described frame (2.1) is provided with rotating cylinder (2.2), drive unit (2.3), drive unit (2.3) connects rotating cylinder (2.2) by transmission mechanism, described rotating cylinder (2.2) side is furnished with hot blast generator (2.4), the hot blast that described hot blast generator (2.4) produces to rotating cylinder (2.2) interior external heat, wither, described rotating cylinder (2.2) is inclined to be arranged in frame (2.1), and described rotating cylinder (2.2) is holed by metallic plate and formed;

Described automatic knead entwist device (3) comprises four automatic kneading twisters, works alone each other, for the kneading of withering leaf, pressurizes, drops into, takes out; Described installation for fermenting (4) comprises four automatic fermenting machine compositions, works alone each other, for kneading Ye Jiawen, insulation, central part supply air;

Described tight bar again equipment for drying (5) comprises a rotating cylinder, is provided with crosspiece in rotating cylinder.

2. adopt the tea leaf withering method of tealeaves automatic production line as claimed in claim 1, it is characterized in that, rotary deteriorating machine withers to tealeaves by passing into warm air, tealeaves is spread out at certain tea layer, carries out Stirring simultaneously to tealeaves; Drum-type deteriorating machine carries out secondary by warm air to tealeaves and withers, and tealeaves is put in rotating cylinder (2.2), stirred to adjust and wither; Automatic knead entwist machine (3) is kneaded the tealeaves after withering, and destroys the cell tissue of tealeaves, promotes fermentation moulding.