CN210463851U

CN210463851U - Bottom-blowing dryer for tea

Info

Publication number: CN210463851U
Application number: CN201920678815.3U
Authority: CN
Inventors: 李秀方; 陈飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-05-05
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to the field of machinery, in particular to a tea dryer with bottom blowing, which comprises a shell, a feed hopper, a sealing cover, an exhaust pipe and a material taking port; a buffer blanking mechanism is arranged at the upper part in the shell, a guide plate with a funnel-shaped structure is arranged below the buffer blanking mechanism, a vertical stirring net cylinder is communicated below the guide plate, a vertical transmission rod extending into the stirring net cylinder is fixedly connected to an output shaft of a second motor, a plurality of horizontal stirring rods are fixedly installed on the transmission rod, and a plurality of material blocking blocks are fixedly welded on the side wall of each stirring rod; the outer side of the bottom of the stirring net barrel is correspondingly provided with a blowpipe facing the stirring net barrel. The utility model discloses a rotatory puddler that sets up and the gauge block on it make tealeaves mix in a stirring net section of thick bamboo, and the hot-air that upwards blows through the bottom makes partly tealeaves fall and follows its removal on the gauge block, and is abundant with the hot-air contact.

Description

Bottom-blowing dryer for tea

Technical Field

The utility model relates to the field of machinary, specifically a drying-machine for tealeaves that bottom was bloied.

Background

Tea leaves are originated in China, and the tea leaves are used as sacrificial offerings at the earliest time. But the beverage is eaten by people in the late spring and autumn, is developed into a medicinal beverage in the middle of western Han and is developed into a palace high-grade beverage in the later period of western Han. In modern industrial production, after de-enzyming and rolling, tea needs to be dried to reduce the water content to below 7% for storage. The existing drying adopts a stirring type.

Chinese patent (publication No. CN 108759401A, publication No. 2018.11.06) discloses a rotary drying device for tea leaves, which rotates an inner cylinder to drive the tea leaves to rotate, so that the tea leaves are uniformly heated, but a large amount of tea leaves are accumulated in the inner cylinder, the air fluidity in the tea leaves is poor, the contact time between the inner cylinder and hot air is short, the drying efficiency is low, and the production is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drying-machine for tealeaves of blowing bottom to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dryer with bottom blowing for tea comprises a shell, a feed hopper, a sealing cover, an exhaust pipe and a material taking port; the tea leaf drying device comprises a shell, a feeding hopper, an exhaust pipe, other equipment and a control system, wherein the feeding hopper is communicated with the top of the shell, a sealing cover covers the feeding hopper, air is prevented from being blown out of the feeding hopper when tea leaf drying is carried out in the shell, the exhaust pipe is communicated with the top of the shell, and the outer end of the exhaust pipe is introduced into other equipment to treat the exhausted air, such as tail gas purification, heat recovery and the like; the upper part in the shell is provided with a buffering blanking mechanism for uniformly dispersing the entering tea leaves, so that the tea leaves are conveniently contacted with hot air and fully contacted with the hot air; a material guide plate with a funnel-shaped structure is arranged below the buffering and blanking mechanism, and the fallen tea leaves are sent out from the bottom of the material guide plate; a vertical stirring net cylinder is communicated below the material guide plate and is formed by processing a stainless steel screen plate, so that tea leaves are in the stirring net cylinder, and air can be blown into the stirring net cylinder; the bottom of the shell is provided with a second motor which is separated by a partition plate, an output shaft of the second motor is fixedly connected with a vertical transmission rod extending into the stirring net cylinder, the transmission rod is positioned on a central shaft of the stirring net cylinder, a plurality of horizontal stirring rods are fixedly installed on the transmission rod and rotate along with the transmission rod, a plurality of material blocking blocks are fixedly welded on the side wall of each stirring rod, a part of tea leaves blown above the material blocking blocks falls on the material blocking surface and rotates along with the material blocking blocks, so that the tea leaves are dispersed in the stirring net cylinder, the contact time with hot air is prolonged, and water vapor in the tea leaves is conveniently discharged; the bottom outside at a stirring net section of thick bamboo corresponds and is provided with the blowing pipe towards a stirring net section of thick bamboo, through pipeline blowing pipe intercommunication air supply in the blowing pipe, provides hot-air for inside and dries tealeaves.

Further: the buffering and blanking mechanism comprises a rotary cylinder with a cylindrical structure, the upper end and the lower end of the rotary cylinder are both provided with openings, a round table material guide cover with a large upper end and a small lower end is arranged in the rotary cylinder, the round table material guide cover and the rotary cylinder are coaxially arranged, the upper end of the round table material guide cover is fixedly connected with a connecting rod, the upper end of the connecting rod is connected to a vibration motor, and the round table material guide cover shakes up and down to facilitate the dispersion of tea leaves on the round table material guide cover; a brush plate is arranged along the inclined plane of the circular truncated cone material guide cover, brush hairs are arranged on the brush plate and are in contact with the inclined plane of the circular truncated cone material guide cover to sweep tea leaves on the circular truncated cone material guide cover, and the upper end of the brush plate is fixed on the side wall of the rotary cylinder through a support rod, so that the brush plate rotates along with the rotary cylinder; the supporting seat fixed on the upper level of the inner wall of the shell is arranged below the rotary drum, the supporting seat is fixedly provided with a vertical first motor, an output shaft of the first motor is fixedly connected with the inner part of the rotary drum through a welding support, and the rotary drum is driven to rotate through the first motor, so that the whole rotary drum is rotated.

Further: the distance between the lower end of the circular truncated cone material guide cover and the rotary cylinder is 10-20 mm.

Further: the bottom of the stirring mesh cylinder is correspondingly provided with a material taking port communicated with the outside of the shell, and a sealing door is arranged on the stirring mesh cylinder and can take out the dried tea from the inside; the side wall of the shell is provided with a cleaning opening, the outer side of the shell is covered with a sealing cover, and tea leaves passing through the stirring net barrel are cleaned.

Further: the bottom in the stirring net barrel is provided with a guide plate which is sleeved outside the transmission rod, the guide plate is a downward arc-shaped surface, and the lower end of the guide plate and the blowing pipe are on the same water surface, so that the blowing pipe blows upwards to guide the flow upwards, the air is convenient to blow upwards, and the tea in the stirring net barrel is blown upwards.

Further: the material blocking block is an inverted trapezoidal block, the upper end of the material blocking block is a horizontal material blocking surface, and the two sides of the material blocking block are inclined surfaces, so that tea blown upwards from the lower side is dispersed upwards along the inclined surfaces.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model makes tea stirred in the stirring net cylinder through the rotary stirring rod and the material blocking block on the stirring rod, and makes a part of tea fall on the material blocking block to move along with the material blocking block through the hot air blown upwards from the bottom, and the hot air is fully contacted with the hot air, so that insufficient drying caused by mutual extrusion when the tea is too much is avoided, the hot air can enter the central position of the stirring net cylinder, and the drying efficiency of the tea is improved; the tea leaves entering the tea leaf drying machine are under the action of the buffering and blanking mechanism, the contact time of the tea leaves and hot air flowing upwards is long, the drying effect of the tea leaves is improved, and the processing time is shortened.

Drawings

Fig. 1 is a schematic view showing a structure of a dryer for tea leaves with bottom blowing.

Fig. 2 is a schematic view showing a structure of a blocking block in a bottom blowing dryer for tea leaves.

Fig. 3 is a schematic structural view of a circular guide cover in a dryer for tea leaves with bottom blowing.

In the figure: 1-shell, 2-feed hopper, 3-sealing cover, 4-exhaust pipe, 5-material taking port, 6-rotary barrel, 7-circular truncated cone guide cover, 8-vibration motor, 9-connecting rod, 10-protrusion, 11-brush plate, 12-supporting rod, 13-supporting seat, 14-first motor, 15-bracket, 16-guide plate, 17-stirring net barrel, 18-second motor, 19-transmission rod, 20-stirring rod, 21-material blocking block, 22-air blowing pipe, 23-guide plate, 24-cleaning port, 25-material blocking surface and 26-inclined surface.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the present invention, a dryer for tea leaves with bottom blowing includes a housing 1, a feed hopper 2, a sealing cover 3, an exhaust pipe 4 and a material taking port 5; feeder hopper 2 intercommunication is at the top of casing 1, is stamped sealed lid 3 on feeder hopper 2, avoids the air to blow off from feeder hopper 2 when carrying out tealeaves stoving in

casing

1, and 4 intercommunications of blast pipe are at the top of casing 1, and the outer end of blast pipe 4 lets in other equipment in, handles exhaust air, for example tail gas purification, heat recovery etc..

The upper part in the shell 1 is provided with a buffering blanking mechanism for uniformly dispersing the entering tea leaves, so that the tea leaves are conveniently contacted with hot air, and the tea leaves are fully contacted with the hot air. The buffering and blanking mechanism comprises a rotary cylinder 6 with a cylindrical structure, the upper end and the lower end of the rotary cylinder 6 are both provided with openings, a circular table material guide cover 7 with a large upper end and a small lower end is arranged in the rotary cylinder 6, the circular table material guide cover 7 and the rotary cylinder 6 are coaxially arranged, the distance between the lower end of the circular table material guide cover 7 and the rotary cylinder 6 is 10-20mm, a connecting rod 9 is fixedly connected to the upper end of the circular table material guide cover 7, the upper end of the connecting rod 9 is connected to a vibration motor 8, and tea leaves on the circular table material guide cover 7 can be conveniently dispersed through up-down shaking of the circular table material guide cover 7, a plurality of protrusions 10 are arranged on the inclined plane of the circular table material guide cover 7, so that the tea leaves can be rapidly dispersed on the circular table; the brush plate 11 is arranged on the inclined plane of the circular truncated cone material guide cover 7, the brush bristles are arranged on the brush plate 11 and are in contact with the inclined plane of the circular truncated cone material guide cover 7 to sweep tea leaves on the circular truncated cone material guide cover 7, and the upper end of the brush plate 11 is fixed on the side wall of the rotary cylinder 6 through the support rod 12, so that the brush plate 11 rotates along with the rotary cylinder 6. The lower part of the rotary drum 6 is provided with a supporting seat 13 fixed on the inner wall of the shell 1 in a horizontal mode, a vertical first motor 14 is fixedly mounted on the supporting seat 13, an output shaft of the first motor 14 is fixedly connected with the inner part of the rotary drum 6 through a welding support 15, the rotary drum 6 is driven to rotate through the first motor 14, and the whole rotary drum 6 is made to rotate.

A material guide plate 16 with a funnel-shaped structure is arranged below the buffering and blanking mechanism, and the fallen tea leaves are sent out from the bottom of the material guide plate 16; a vertical stirring net cylinder 17 is communicated below the material guide plate 16, and the stirring net cylinder 17 is formed by processing a stainless steel screen plate, so that tea leaves are in the stirring net cylinder 17, and air can be blown into the stirring net cylinder 17; a second motor 18 is arranged at the bottom of the shell 1, the second motor 18 is separated by a partition plate, a vertical transmission rod 19 extending into the stirring net cylinder 17 is fixedly connected to an output shaft of the second motor 18, the transmission rod 19 is positioned on a central shaft of the stirring net cylinder 17, a plurality of horizontal stirring rods 20 are fixedly installed on the transmission rod 19, the stirring rods 20 rotate along the transmission rod 19, a plurality of material blocking blocks 21 are fixedly welded on the side wall of each stirring rod 20, each material blocking block 21 is an inverted trapezoidal block, a horizontal material blocking surface 25 is arranged at the upper end of each material blocking block 21, inclined surfaces 26 are arranged at the two sides of each material blocking block 25, tea blown upwards along the inclined surfaces 26 is dispersed, a part of tea blown above the material blocking blocks 21 falls on the material blocking surfaces 25 and rotates along with the material blocking surfaces, the tea is dispersed in the stirring net cylinder 17, the contact time with hot air is prolonged, and water vapor in the tea is; the bottom of the stirring mesh cylinder 17 is correspondingly provided with a material taking port 5 communicated with the outside of the shell 1, and a sealing door is arranged on the stirring mesh cylinder and can take out the dried tea from the inside; the outer side of the bottom of the stirring mesh cylinder 17 is correspondingly provided with a blowpipe 22 facing the stirring mesh cylinder 17, and the blowpipe 22 is internally communicated with an air source through a pipeline blowpipe 22 to provide hot air for drying tea leaves; the side wall of the shell 1 is provided with a cleaning opening 24, the outer side of the shell is covered with a sealing cover, and the tea leaves passing through the stirring net barrel 17 are cleaned.

Example 2

In the scheme of the above embodiment, the bottom in the stirring net cylinder 17 is provided with the guide plate 23 sleeved outside the transmission rod 19, the guide plate 23 is a downward arc-shaped surface, and the lower end of the guide plate 23 is on the same water surface as the blowing pipe 22, so that the blowing pipe 22 blows inwards to guide the flow upwards, air is blown upwards conveniently, and tea leaves in the stirring net cylinder 17 are blown upwards.

When the tea leaf feeding device is used, tea leaves are loaded into the rotary cylinder 6 through the feed hopper 2, fall on the circular table material guiding cover 7, the sealing cover 3 is covered, the power supply is started, at the moment, the vibration motor 8 drives the circular table material guiding cover 7 to shake, the tea leaves on the circular table material guiding cover 7 are shaken off, meanwhile, the first motor 14 drives the rotary cylinder 6 to rotate, the tea leaves on the circular table material guiding cover 7 are stirred through the brush plate 11 on the rotary cylinder, the tea leaves are uniformly spread, and the tea leaves also move downwards through the circular table material guiding cover 7 and fall from the bottom; falling tea leaves are sent into the stirring net barrel 17 of the lower side through the material guide plate 16, the second motor 18 drives the transmission rod 19 in the stirring net barrel 17 to rotate, the stirring rod 20 stirs the internal tea leaves, meanwhile, the material blocking block 21 on the stirring rod 20 can have a part of tea leaves to be located on the material blocking surface 25 of the part of tea leaves, the rotation of the part of tea leaves is followed, the accumulation of the tea leaves is reduced, hot air blown from the bottom is blown to enable the tea leaves to move upwards more easily, the twisting of the tea leaves is improved, the tea leaves are dried more easily, and finally the dried tea leaves are taken out from the bottom of the material taking port.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dryer with bottom blowing for tea leaves comprises a shell (1), a feed hopper (2), a sealing cover (3), an exhaust pipe (4) and a material taking port (5); the feed hopper (2) is communicated with the top of the shell (1), the feed hopper (2) is covered by a sealing cover (3), and the exhaust pipe (4) is communicated with the top of the shell (1); a cleaning opening (24) is formed in the side wall of the shell (1), and a sealing cover is covered on the outer side of the shell; the automatic material-blocking device is characterized in that a buffering blanking mechanism is arranged at the upper part in a shell (1), a material guide plate (16) with a funnel-shaped structure is arranged below the buffering blanking mechanism, a vertical stirring net barrel (17) is communicated below the material guide plate (16), the stirring net barrel (17) is formed by processing a stainless steel net plate, a second motor (18) is arranged at the bottom of the shell (1), the second motor (18) is separated by a partition plate, a vertical transmission rod (19) extending into the stirring net barrel (17) is fixedly connected to an output shaft of the second motor (18), the transmission rod (19) is positioned on a central shaft of the stirring net barrel (17), a plurality of horizontal stirring rods (20) are fixedly installed on the transmission rod (19), and a plurality of material blocking blocks (21) are fixedly welded on the side wall of the stirring rods (20); the outer side of the bottom of the stirring net cylinder (17) is correspondingly provided with a blowing pipe (22) facing the stirring net cylinder (17).

2. A bottom-blowing tea dryer as claimed in claim 1, wherein: the buffering and blanking mechanism comprises a rotary cylinder (6) with a cylindrical structure, the upper end and the lower end of the rotary cylinder (6) are both provided with openings, a circular table material guide cover (7) with a large upper end and a small lower end is arranged in the rotary cylinder (6), the circular table material guide cover (7) and the rotary cylinder (6) are coaxially arranged, the upper end of the circular table material guide cover (7) is fixedly connected with a connecting rod (9), the upper end of the connecting rod (9) is connected to a vibration motor (8), and a plurality of bulges (10) are arranged on the inclined surface of the circular table material guide cover (7); a brush plate (11) is arranged along the inclined surface of the circular truncated cone material guide cover (7), brush hairs are arranged on the brush plate (11), the brush hairs are in contact with the inclined surface of the circular truncated cone material guide cover (7), and the upper end of the brush plate (11) is fixed on the side wall of the rotary cylinder (6) through a support rod (12); a supporting seat (13) fixed on the upper level of the inner wall of the shell (1) is arranged below the rotary drum (6), a vertical first motor (14) is fixedly installed on the supporting seat (13), and an output shaft of the first motor (14) is fixedly connected with the inside of the rotary drum (6) through a welding support (15).

3. A bottom-blowing tea dryer as claimed in claim 2, wherein: the distance between the lower end of the circular truncated cone material guide cover (7) and the rotary cylinder (6) is 10-20 mm.

4. A bottom-blowing tea dryer according to any one of claims 1 to 3, wherein: the bottom of the stirring net barrel (17) is correspondingly provided with a material taking port (5) communicated with the outside of the shell (1), and a sealing door is arranged on the material taking port.

5. A bottom blowing tea dryer as claimed in claim 4, wherein: the bottom in the stirring net barrel (17) is provided with a guide plate (23) sleeved on the outer side of the transmission rod (19), the guide plate (23) is a downward arc-shaped surface, and the lower end of the guide plate (23) is positioned on the same water surface with the blowing pipe (22).

6. A bottom-blowing tea dryer as claimed in claim 1, wherein: the material blocking block (21) is an inverted trapezoidal block, the upper end of the material blocking block is provided with a horizontal material blocking surface (25), and the two sides of the material blocking block are provided with inclined surfaces (26).