CN216674555U - A storehouse body formula cooling device for being directed at tealeaves cools down after completing - Google Patents

Abstract

The utility model discloses a bin body type cooling device for cooling tea leaves after enzyme deactivation, and belongs to the technical field of tea leaf processing equipment. Comprises a conveyor belt with a net structure and an air cooling device used for cooling the tea leaves on the conveyor belt; the air cooling device comprises an air distribution bin and an air supply pipe; the air distribution bin is of a hollow flat-plate structure, is arranged below the conveyor belt, and is provided with a plurality of air outlet holes on a top plate, the axes of the air outlet holes are vertical, and orifices at the upper ends of the air outlet holes are over against the conveying surface of the conveyor belt; the air supply pipe is communicated with the inner space of the air distribution bin. The device has simple structure, is easy to improve on the existing tea production line, and can obtain ideal tea forced cooling effect.

Description

A silo-type cooling device for cooling tea leaves after greening

technical field

The utility model relates to the technical field of tea processing equipment, in particular to a silo-type cooling device for cooling tea leaves after greening.

Background technique

With the large-scale development of the tea processing industry, at present, tea production enterprises use special greening machines to green tea in the production process. device, a feeding device arranged at one end of the drum, a discharging device arranged at the other end of the drum, and a heating device for heating the outer surface of the drum. The inner space of the drum is generally used as a fixing cavity for tea fixing, and the two ends of the fixing cavity are respectively connected with the feeding device and the discharging device. The dynamic contact of the heat source realizes the heat exchange, so as to realize the effective fixation. After the tea processing is completed, other operations on the tea are also required, such as re-moisturizing the tea.

After the tea leaves are killed, the tea production enterprises often use artificial natural cooling first, and immediately after the tea leaves are released, they will be spread to dissipate heat and water vapor. In order to improve the processing efficiency of tea leaves, after finishing the greening, there are technical solutions in the prior art that a cooling device is arranged on the greening cylinder and a cooling device is arranged on the transfer path of the subsequent tea leaves. The finished tea leaves are forcedly cooled, so as to shorten the time-consuming of the tea leaves cooling process between the processes.

In the prior art, there is still a tea production line using natural cooling. It is of great significance to the tea production industry to provide a device which is convenient to improve the existing tea making equipment and obtain the effect of forced cooling of tea leaves.

Utility model content

Aiming at the above-mentioned problem of providing a device that is convenient for improvement on the existing tea making equipment and obtains the effect of forced cooling of tea leaves, which is of great significance to the tea production industry, the utility model provides a device for cooling tea leaves after greening. Cooling silo type cooling device. The device is not only simple in structure, but also easy to improve on the existing tea production line, and can obtain the ideal forced cooling effect of tea leaves.

In view of the above-mentioned problems, the utility model provides a silo-type cooling device for cooling the tea leaves after greening to solve the problem through the following technical points: a silo-type cooling device for cooling the tea leaves after greening, including: A conveyor belt with a mesh structure, and an air-cooling device for cooling the tea leaves on the conveyor belt; the air-cooling device includes an air distribution bin and an air supply pipe;

The air distribution silo is a hollow plate-like structure. The air distribution silo is arranged below the conveyor belt. The top plate of the air distribution silo is provided with a plurality of air outlet holes. The axes of the air outlet holes are all along the vertical direction. The orifices at the upper end of the air holes are all facing the conveying surface of the conveyor belt;

The air supply pipe is communicated with the inner space of the air distribution bin.

In the existing tea-making process, it is more common to use conveyor belts to transport tea leaves. Different from the form of sliding on the slideway, the tea leaves are transferred in a static manner relative to the conveyor belt. Therefore, in order to avoid the wind from interfering with the distribution of tea leaves on the conveyor belt, the existing use of The cooling scheme of tea leaves during forced convection cooling transfer is generally used for tea chute transfer.

Aiming at the problem that the use of compressed air to cool the tea leaves on the conveyor belt can easily affect the distribution of tea leaves on the conveyor belt in the process of conveying tea leaves, this solution provides a simple structure, which is easy to be improved and obtained on the existing tea conveying line, and can be The technical solution to obtain the ideal cooling effect by appropriately increasing the air flow.

Specifically, the conveyor belt is set to have a mesh structure, which aims to use the mesh holes on the conveyor belt to form an air flow that can blow tea leaves from bottom to top; in the specific structural design of the air cooling device, a cloth air silo is used as the air cooling device. The air outlet end of the conveyor belt is designed with a flat plate structure, which is convenient to use the space between the upper and lower belt sections of the conveyor belt to install the cloth air chamber; The use of the air distribution bin realizes the redistribution of the compressed air used for cooling, and at the same time, the area of the air outlet affected area of the air cooling device can be increased, and the air outlet speed of a single air outlet hole can be reduced; In the vertical direction, in the specific use, when the air flow of the air cooling device is appropriately increased according to the needs, the tea leaves on the conveyor belt can be displaced or rolled in a small range to achieve the purpose of strengthening the cooling effect. At the same time, the scheme is simple in structure, easy to process and manufacture, convenient to use and install, and the method of forced purging can obtain ideal cooling effect.

In specific use, the width of the layout area of the air outlet holes is set to be greater than the width of the conveyor belt, so that the tea leaves on the conveyor belt can be effectively cooled. More preferably, in order to facilitate the cooling effect, the air outlet holes are arranged in a matrix distribution form including not only the row arrangement along the width direction of the conveyor belt, but also the row arrangement along the length direction of the conveyor belt. The air outlets on the row arrangement are staggered to each other, so as to realize that the tea piles formed under the wind can be re-dispersed during the transfer of the tea leaves with the conveyor belt.

More complete:

As a technical solution to facilitate the processing of the air outlet, a longer length of the air outlet can be obtained under the premise that the following top plate is lighter to limit the direction of the air outlet, and at the same time, it is convenient to clean up the residues dropped in the air cloth bin, using: The material of the top plate is plastic, the air outlet holes are all round holes drilled on the top plate, and the top plate is detachably connected to the air cloth chamber.

As a solution to limit the air outlet direction of the air distribution bin by adding pipe sections at the position of each air outlet to increase the length of each air outlet hole to limit the air outlet direction of the air distribution chamber, the method is adopted: each air outlet is matched with a pipe fixed to the air distribution chamber. The relationship between the matching air outlet and the pipe segment is: the air outlet and the pipe segment are coaxial. In specific implementation, the pipe section can be installed on the top surface of the air distribution bin, for example, the pipe section is installed by plastic welding.

In order to prevent the residue from falling into the air supply pipe, it is adopted that the nozzle of the outlet of the air supply pipe is higher than the bottom surface of the inner space.

In order to uniform the air flow of the air outlet, it is adopted: the air supply pipe includes a main pipe and branch pipes connected to the main pipe, the branch pipes are multiple, and the outlet ends of each branch pipe extend to the upper side of the bottom surface.

In order to make the air distribution silo cover a larger effective cooling area under the condition of a certain size, and at the same time uniform the air flow of the air outlet, adopt: the air distribution silo is a strip structure whose length direction is along the transmission direction of the conveyor belt;

The branch pipes are arranged at intervals along the length direction of the air distribution bin;

The branch pipes are all staggered from the air outlet.

In order to use the cooling bin described below to constrain the airflow to improve the cooling effect, it is adopted: the air cooling device further includes a strip-shaped cooling bin;

The cooling bin is a shell structure;

the conveyor belt passes through the cooling bin in a manner along the length of the cooling bin;

The air distribution chamber is installed in the cooling chamber.

In order to enable the compressed gas for cooling to cover a longer transfer path of the tea leaves, it is adopted that the cooling bin is a rectangular tubular structure with two ends open.

In order to make the air outlet of the cooling bin more located at the tea inlet end of the cooling bin, to reduce the temperature of the tea leaves at the outlet side of the cooling bin, so that the cooled gas can be transported by the centralized pipeline and then discharged, using: the two ends of the cooling bin All are provided with a sealing plate for reducing the size of the airflow space at the end of the cooling bin;

An air outlet pipe that communicates with the inner space of the cooling chamber is also installed on the sealing plate on the tea inlet side of the cooling chamber.

In order to facilitate the determination of the killing effect through gas sampling, it is adopted that a gas sampling port is also arranged on the gas outlet pipe.

The utility model has the following beneficial effects:

In this solution, the conveyor belt is set as a mesh structure, which aims to use the mesh holes on the conveyor belt to form an air flow that can blow tea leaves from bottom to top; in the specific structural design of the air cooling device, a cloth air silo is used as the air cooling device. At the air outlet end of the device, the air distribution silo is designed as a flat plate structure, which is convenient to use the space between the upper and lower belt sections of the conveyor belt to install the air distribution silo; the air distribution silo is arranged below the conveyor belt, and the number of air outlets is multiple Not only the redistribution of compressed air for cooling is realized by using the air distribution bin, but also the area of the air outlet affected area of the air cooling device can be increased, and the air outlet speed of a single air outlet can be reduced; the number of air outlets and the axis direction are set to Along the vertical direction, during specific use, when the airflow of the air-cooling device is appropriately increased according to needs, the tea leaves on the conveyor belt can be displaced or rolled in a small range to achieve the purpose of strengthening the cooling effect. At the same time, the scheme is simple in structure, easy to process and manufacture, convenient to use and install, and the method of forced purging can obtain ideal cooling effect.

Description of drawings

Fig. 1 is a kind of structural representation of a specific embodiment of a silo-type cooling device for cooling tea leaves after greening as described in this scheme;

Fig. 2 is a kind of silo type cooling device that is used for cooling the tea leaves after fixing green described in this scheme, in a specific embodiment, reflecting the sectional view of the relative position of the air cloth silo and the conveyor belt;

Fig. 3 is a specific embodiment of a silo-type cooling device for cooling tea leaves after greening described in this scheme, and reflects the top view of the structure of the air-distributing silo;

Fig. 4 is a specific embodiment of a silo-type cooling device for cooling tea leaves after greening described in this scheme, which is a top view reflecting the structure of the air-distributing silo. Different from Fig. 3, the air-distributing silo is arranged in a pattern The outlet holes are staggered along the length direction.

The reference signs in the drawings are: 1, conveyor belt, 2, air outlet pipe, 3, cooling chamber, 4, main pipe, 5, branch pipe, 6, air cloth chamber, 7, air outlet.

Detailed ways

Below in conjunction with embodiment, the utility model is described in further detail, but the utility model is not limited to the following examples:

Example 1:

As shown in Figures 1 to 4, a silo-type cooling device for cooling tea leaves after greening includes a conveyor belt 1 with a mesh structure, and an air-cooling device for cooling the tea leaves on the conveyor belt 1; the described The air cooling device includes an air distribution bin 6 and an air supply pipe;

The air distribution bin 6 is a flat structure with a hollow interior. The air distribution bin 6 is arranged below the conveyor belt 1. The top plate of the air distribution bin 6 is provided with a plurality of air outlet holes 7, and the axis of the air outlet holes 7 is along the line. In the vertical direction, the orifices at the upper end of each air outlet 7 are facing the conveying surface of the conveyor belt 1;

The air supply pipe communicates with the inner space of the air distribution bin 6 .

In the existing tea making process, it is more common to use the conveyor belt 1 to transport the tea leaves, which is different from the form of sliding on the slideway, and the tea leaves are transmitted in a static manner relative to the conveyor belt 1, so in order to avoid the wind interfering with the distribution of the tea leaves on the conveyor belt 1, Existing cooling schemes utilizing forced convection to cool the tea leaves during the transfer process are generally used for tea leaves in chute-type transfer.

Aiming at the problem that the use of compressed air to cool the tea leaves on the conveyor belt 1 is likely to affect the distribution of the tea leaves on the conveyor belt 1 in the process of conveying the tea leaves, this solution provides a simple structure that can be easily improved and obtained on the existing tea conveying line. And the technical scheme of ideal cooling effect can be obtained by appropriately increasing the air flow.

Specifically, the conveyor belt 1 is set to have a mesh structure, and the purpose is to use the mesh holes on the conveyor belt 1 to form an air flow that can blow the tea leaves from bottom to top; in the specific structural design of the air cooling device, the cloth air silo 6 is used as the At the air outlet end of the air cooling device, the cloth air chamber 6 is designed as a flat plate structure, which is convenient to use the space between the upper and lower belt sections of the conveyor belt 1 to install the cloth air chamber 6; The number of air holes 7 is multiple, which not only realizes the redistribution of compressed air such as cooling by using the air distribution bin 6, but also increases the area of the air outlet affected area of the air cooling device and reduces the air outlet speed of a single air outlet 7; the described The number of air outlet holes 7 and the axis direction are set along the vertical direction. During specific use, when the airflow of the air-cooling device is appropriately increased according to needs, the tea leaves on the conveyor belt 1 can be slightly displaced or rolled, so as to strengthen the The purpose of the cooling effect. At the same time, the scheme is simple in structure, easy to process and manufacture, convenient to use and install, and the method of forced purging can obtain ideal cooling effect.

In specific use, the width of the layout area of the air outlet holes 7 is set to be greater than the width of the conveyor belt 1 , so that the tea leaves on the conveyor belt 1 can be effectively cooled. More preferably, in order to facilitate the cooling effect, the air outlet holes 7 are arranged in a matrix distribution form including not only the row arrangement along the width direction of the conveyor belt 1, but also the row arrangement along the length direction of the conveyor belt 1, in the row arrangement direction. , the air outlet holes 7 arranged in adjacent rows are staggered to each other, so as to realize: in the process of the tea leaves being conveyed with the conveyor belt 1, the tea piles formed under the wind force can be re-dispersed.

More complete:

As a technical solution to facilitate the processing of the air outlet 7, a longer length of the air outlet 7 can be obtained under the premise that the following top plate is lighter to limit the direction of air outlet, and at the same time, it is convenient to clean the residues dropped in the air cloth bin 6. , using: the material of the top plate is plastic, the air outlet holes 7 are all round holes drilled on the top plate, and the top plate is detachably connected to the air cloth chamber 6 .

As a kind of plan that the thickness of the top plate is constant, and the length of each air outlet 7 is increased by adding a pipe section at the position of each air outlet 7 to limit the air outlet direction of the air distribution bin 6, it is adopted: each air outlet 7 is matched with a The pipe section fixed on the air distribution bin 6; the relationship between the air outlet holes 7 and the pipe sections that match each other is that the air outlet holes 7 are coaxial with the pipe section. In specific implementation, the pipe section can be installed on the top surface of the air distribution bin 6, for example, the pipe section is installed by plastic welding.

In order to prevent the residue from falling into the air supply pipe, it is adopted that the nozzle of the outlet of the air supply pipe is higher than the bottom surface of the inner space.

In order to uniform the air flow of the air outlet 7, it is adopted: the air supply pipe includes a main pipe 4 and a branch pipe 5 connected to the main pipe 4, the branch pipes 5 are multiple, and the outlet ends of each branch pipe 5 extend to the bottom of the bottom surface. upper side.

In order to make the air distribution bin 6 cover a larger effective cooling area under the condition of a certain size, and at the same time uniform the air flow of the air outlet 7, it is adopted: the air distribution bin 6 is a strip structure whose length direction is along the transmission direction of the conveyor belt 1. ;

The branch pipes 5 are arranged at intervals along the length direction of the air distribution bin 6;

The branch pipes 5 are all staggered from the air outlet holes 7 .

In order to use the cooling bin 3 as described below to restrict the airflow to improve the cooling effect, it is adopted: the air cooling device further includes a strip-shaped cooling bin 3;

The cooling bin 3 is a shell structure;

The conveyor belt 1 passes through the cooling bin 3 along the length of the cooling bin 3;

The air distribution chamber 6 is installed in the cooling chamber 3 .

In order to enable the compressed gas for cooling to cover a longer transfer path of the tea leaves, it is adopted that the cooling bin 3 is a rectangular tubular structure with both ends open.

In order to make the air outlet of the cooling chamber 3 more at the tea inlet end of the cooling chamber 3, to reduce the temperature of the tea leaves on the outlet side of the cooling chamber 3, so that the cooled gas can be discharged after being transported by the centralized pipeline, using: the cooling chamber Both ends of 3 are provided with sealing plates for reducing the size of the airflow space at the end of cooling bin 3;

The sealing plate on the tea inlet side of the cooling chamber 3 is also provided with an air outlet pipe 2 which communicates with the inner space of the cooling chamber 3 .

In order to facilitate the determination of the killing effect through gas sampling, it is adopted: the gas outlet pipe 2 is also provided with a gas sampling port.

The above content is a further detailed description of the present invention in conjunction with the specific preferred embodiments, and it cannot be considered that the specific embodiments of the present invention are limited to these descriptions. For those of ordinary skill in the technical field of the present invention, other embodiments obtained without departing from the technical solutions of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A bin body type cooling device for cooling tea leaves after enzyme deactivation comprises a conveying belt (1) with a net-shaped structure and an air cooling device for cooling the tea leaves on the conveying belt (1); the air cooling device is characterized by comprising an air distribution bin (6) and an air supply pipe;

the gas distribution bin (6) is of a hollow flat structure, the gas distribution bin (6) is arranged below the conveyor belt (1), a plurality of gas outlet holes (7) are formed in a top plate of the gas distribution bin (6), the axes of the gas outlet holes (7) are along the vertical direction, and orifices at the upper ends of the gas outlet holes (7) are opposite to the conveying surface of the conveyor belt (1);

the air supply pipe is communicated with the inner space of the air distribution bin (6).

2. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 1, wherein the top plate is made of plastic, the air outlet holes (7) are all round holes drilled in the top plate, and the top plate is detachably connected to the air distribution bin (6).

3. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 1, wherein each air outlet (7) is matched with a pipe section fixed on the air distribution bin (6); the relationship between the mutually matched air outlet holes (7) and the pipe sections is as follows: the air outlet (7) is coaxial with the pipe section.

4. The bin-type cooling device for cooling tea leaves after deactivation of enzymes of claim 1, wherein the mouth of the air supply pipe is higher than the bottom surface of the inner space.

5. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 4, wherein the air supply pipe comprises a main pipe (4) and a plurality of branch pipes (5) connected to the main pipe (4), and the outlet end of each branch pipe (5) extends to the upper side of the bottom surface.

6. The bin type cooling device for cooling tea leaves after enzyme deactivation according to claim 5, wherein the air distribution bin (6) is of a strip-shaped structure with the length direction along the transmission direction of the conveyor belt (1);

the branch pipes (5) are arranged at intervals along the length direction of the gas distribution bin (6);

the branch pipes (5) are staggered with the air outlet holes (7).

7. The bin type cooling device for cooling tea leaves after enzyme deactivation according to claim 1, wherein the air cooling device further comprises a strip-shaped cooling bin (3);

the cooling bin (3) is of a shell type structure;

the conveyor belt (1) penetrates through the cooling bin (3) along the length direction of the cooling bin (3);

the gas distribution bin (6) is arranged in the cooling bin (3).

8. The bin type cooling device for cooling tea leaves after deactivation of enzymes of claim 7, wherein the cooling bin (3) is a rectangular tube structure with two open ends.

9. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 8, wherein sealing plates for reducing the size of airflow space at the end parts of the cooling bin (3) are arranged at both ends of the cooling bin (3);

an air outlet pipe (2) communicated with the inner space of the cooling bin (3) is further arranged on the sealing plate at the tea inlet side of the cooling bin (3).

10. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 9, wherein the gas outlet pipe (2) is further provided with a gas sampling port.

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