Tea leaf fine processing and drying device

Abstract

The utility model relates to the technical field of drying devices, in particular to a tea leaf finish machining drying device which comprises a drying box, a feeding port, a discharging port, a progressive drying assembly, a heat recovery circulating assembly, an air inlet cover, a fan, a motor, a top heating module and a side wall auxiliary heating module. A feeding hole is formed in the upper end part of the drying box; a discharge hole is formed in the side end part of the drying box; a progressive drying assembly is arranged in the drying box. A heat recovery circulating assembly is arranged at the outer end of the drying box. The motor drives the first cam and the second cam to knock the upper end guide sliding plate and the sieve pore sliding plate to enable the tea leaves above to slide downwards, and when the tea leaves pass through the upper end guide sliding plate, the tea leaves are dried through the large-area top heating module above, so that water vapor is quickly evaporated, and the tea leaves are dried. And when the tea leaves fall onto the sieve pore sliding plate below, the side wall auxiliary heating modules on the two sides have a low-temperature heating effect on the tea leaves.

Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, and in particular to a drying equipment for fine processing of tea. Background Technology

[0002] Tea contains a variety of amino acids, among which theanine is relatively high. With the increasing demand for tea, global tea production has shown a steady growth trend. Tea needs to be processed before consumption, and drying is an essential step, thus requiring the use of drying equipment.

[0003] Existing drying equipment uses a single heat source to maintain a constant temperature inside the drying chamber, which cannot adjust the heat distribution according to the drying process. This can easily cause the tea to be overheated, and the tea leaves tend to pile up during drying, resulting in slow evaporation of moisture.

[0004] Therefore, there is an urgent need to set up a structure that can adjust the heat distribution according to the drying process of tea leaves, so as to avoid overheating of the tea leaves, and to add a structure that can evenly disperse the tea leaves, thus solving the problem of overheating of tea leaves due to the inability to adjust the heat distribution according to the drying process. Utility Model Content

[0005] To overcome the problems that the drying equipment relies on only one heat source to maintain the temperature inside the drying chamber during the drying process, it is impossible to adjust the heat distribution according to the drying process, which easily leads to overheating of the tea leaves. In addition, the tea leaves tend to pile up during the drying process and cannot be effectively dispersed, resulting in poor water vapor evaporation.

[0006] The technical solution of this utility model is as follows: a tea processing and drying device, including a drying box, a feed inlet, a discharge outlet, a progressive drying component, a heat recovery and circulation component, an air inlet hood, a fan, a motor, a top heating module, and a side wall auxiliary heating module; the upper end of the drying box is provided with a feed inlet; the side end of the drying box is provided with a discharge outlet; the progressive drying component is provided inside the drying box; the heat recovery and circulation component is provided at the outer end of the drying box; the air inlet hood is fixedly connected to the side end of the drying box; a fan is provided inside the air inlet hood. The fan directs airflow towards the inside of the drying chamber; a motor is installed on the side of the drying chamber; a top heating module is installed on the inner wall of the top of the drying chamber; a side auxiliary heating module is installed on the side wall of the drying chamber; the progressive drying assembly includes a U-shaped mounting block, an upper guide slide plate, and a first spring; two pairs of U-shaped mounting blocks are fixedly connected to the inner wall of the drying chamber; an upper guide slide plate is slidably connected to the inner side of one pair of U-shaped mounting blocks; a first spring is fixedly connected to both the upper and lower ends of the upper guide slide plate; the other end of the first spring is fixedly connected to the inner wall of the U-shaped mounting block.

[0007] Preferably, during the use of the drying device, the alternating tilting of the upper guide slide plate and the sieve slide plate in the progressive drying assembly can increase the drying time of the tea leaves in the drying chamber. The U-shaped mounting block and the first spring allow the upper guide slide plate and the sieve slide plate to be in an elastically suspended state, which can be struck by the upper guide slide plate and the sieve slide plate under the action of the first cam and the second cam driven by the motor, causing them to vibrate and allowing the tea leaves above to slide down. The flow-limiting baffle can prevent the tea leaves from sliding too fast. When the tea leaves pass through the upper guide slide plate, since the tea leaves have just been put in, the moisture content is high. The large-area top heating module above dries the moisture quickly. Rapid evaporation: As the tea leaves fall onto the perforated slide plate below, the auxiliary heating modules on both sides provide low-temperature heating to evaporate any residual moisture. This prevents the tea leaves from overheating. The vibration of the perforated slide plate also helps to separate the tea leaves above, causing broken leaves or impurities to fall into the collection drawer below. The air collection hood in the heat recovery circulation component collects the air blown into the drying chamber by the fan. The hot air is then pumped into the dehumidification chamber, where it passes through a drying filter to remove moisture. The hot air is then introduced into the air intake hood and drawn into the drying chamber by the fan, preheating the air and reducing energy consumption.

[0008] Preferably, the progressive drying assembly also includes a sieve plate, a flow-limiting baffle, a fixed support block, a second spring, a transmission rod, a first cam, a driving pulley, a driven shaft, a second cam, a driven pulley, a transmission belt, and a collection drawer; the inner side of another pair of U-shaped mounting blocks is slidably connected to the sieve plate; and the upper and lower ends of the sieve plate are both fixedly connected to the first spring.

[0009] Preferably, flow-limiting baffles are fixedly connected to the upper ends of both the sieve aperture slide plate and the upper guide slide plate; two pairs of fixed supports are fixedly connected to the inner wall of the drying chamber; the two pairs of fixed supports are respectively installed below the sieve aperture slide plate and the upper guide slide plate, and a second spring is installed at the upper end of each pair of fixed supports; the upper end of the second spring is fixedly connected to the bottom of the sieve aperture slide plate and the upper guide slide plate respectively; the output shaft of the motor passes through the drying chamber and is fixedly connected to a transmission rod.

[0010] Preferably, a first cam is fixedly connected to the outer end of the transmission rod; the first cam is installed below the upper guide slide plate; the transmission rod passes through the drying box and is fixedly connected to the driving pulley; a driven shaft is rotatably connected to the inner wall of the drying box; a second cam is fixedly connected to the outer end of the driven shaft; the second cam is located below the sieve slide plate.

[0011] Preferably, the driven shaft passes through the drying chamber and is fixed to the central shaft of the driven pulley; the outer ends of the driven pulley and the driving pulley are slidably connected to a transmission belt; and a collection drawer is provided below the sieve slide plate.

[0012] Preferably, the heat recovery circulation assembly includes a gas collection hood, an air pump, a dehumidification chamber, and a drying filter plate; the gas collection hood is fixed to the side end of the drying chamber; and the air inlet of the air pump is connected to the side end pipe of the gas collection hood.

[0013] Preferably, the outlet of the air pump is connected to a dehumidification box; the dehumidification box is equipped with a drying filter plate; and the side end pipe of the dehumidification box is connected to the side end of the air inlet hood.

[0014] The beneficial effects of this utility model are:

[0015] During the use of the drying device, the U-shaped mounting block and the first spring allow the upper guide slide plate and the sieve slide plate to be in an elastic suspension state. Under the action of the first and second cams driven by the motor, the upper guide slide plate and the sieve slide plate are struck, causing them to vibrate and allowing the tea leaves above to slide down. The flow-limiting baffle can prevent the tea leaves from sliding too fast. When the tea leaves pass through the upper guide slide plate, since the tea leaves have just been put in, the moisture content is high. The large-area top heating module above dries the tea leaves, causing the moisture to evaporate quickly. When the tea leaves fall onto the sieve slide plate below, the auxiliary heating modules on both sides provide a low-temperature heating effect to evaporate the residual moisture, preventing the temperature from becoming too high and causing the tea leaves to be overheated. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the drying device of this utility model;

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the fan in the drying device of this utility model;

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of the sieve slide plate of the drying device of this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the drying filter plate of the drying device of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Drying oven; 2. Feed inlet; 3. Discharge outlet; 4. Air inlet hood; 5. Fan; 6. Motor; 7. Top heating module; 8. Side wall auxiliary heating module; 101. U-shaped mounting block; 102. Upper guide slide plate; 103. First spring; 104. Screen hole slide plate; 105. Flow limiting baffle; 106. Fixed support block; 107. Second spring; 108. Transmission rod; 109. First cam; 110. Drive pulley; 111. Driven shaft; 112. Second cam; 113. Driven pulley; 114. Transmission belt; 115. Collection drawer; 401. Air collection hood; 402. Air pump; 403. Dehumidification box; 404. Drying filter plate. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4 This utility model provides an embodiment of a tea processing and drying device, comprising a drying chamber 1, a feed inlet 2, a discharge outlet 3, a progressive drying assembly, a heat recovery circulation assembly, an air inlet hood 4, a fan 5, a motor 6, a top heating module 7, and a side wall auxiliary heating module 8; the upper end of the drying chamber 1 is provided with the feed inlet 2; the side end of the drying chamber 1 is provided with the discharge outlet 3; the progressive drying assembly is provided inside the drying chamber 1; the heat recovery circulation assembly is provided at the outer end of the drying chamber 1; the air inlet hood 4 is fixedly connected to the side end of the drying chamber 1; the fan 5 is provided inside the air inlet hood 4; the airflow direction of the fan 5 is towards the drying chamber. Inside the drying chamber 1; a motor 6 is installed on the side end of the drying chamber 1; a top heating module 7 is installed on the inner wall of the top of the drying chamber 1; a side wall auxiliary heating module 8 is installed on the side wall of the drying chamber 1; the progressive drying assembly includes a U-shaped mounting block 101, an upper guide slide plate 102 and a first spring 103; two pairs of U-shaped mounting blocks 101 are fixedly connected to the inner wall of the drying chamber 1; an upper guide slide plate 102 is slidably connected to the inner side of one pair of U-shaped mounting blocks 101; a first spring 103 is fixedly connected to both the upper and lower ends of the upper guide slide plate 102; the other end of the first spring 103 is fixedly connected to the inner wall of the U-shaped mounting block 101.

[0023] Please see Figures 2-3In this embodiment, the progressive drying assembly further includes a sieve slide plate 104, a flow-limiting baffle 105, a fixed support block 106, a second spring 107, a transmission rod 108, a first cam 109, a driving pulley 110, a driven shaft 111, a second cam 112, a driven pulley 113, a transmission belt 114, and a collection drawer 115; the inner side of another pair of U-shaped mounting blocks 101 is slidably connected to the sieve slide plate 104; and the upper and lower ends of the sieve slide plate 104 are both fixedly connected to the first spring 103. Both the upper ends of plate 104 and the upper guide slide plate 102 are fixedly connected to flow-limiting baffles 105; two pairs of fixed supports 106 are fixedly connected to the inner wall of the drying chamber 1; the two pairs of fixed supports 106 are respectively installed below the screen hole slide plate 104 and the upper guide slide plate 102, and a second spring 107 is installed at the upper end of each pair of fixed supports 106; the upper ends of the second springs 107 are respectively fixedly connected to the bottom of the screen hole slide plate 104 and the upper guide slide plate 102; the output shaft of the motor 6 passes through the drying chamber 1 and is fixedly connected to a transmission rod 108, and the fixed supports... 106 and the second spring 107 provide elastic support for the screen plate 104 and the upper guide plate 102. A first cam 109 is fixedly connected to the outer end of the transmission rod 108; the first cam 109 is installed below the upper guide plate 102; the transmission rod 108 passes through the drying chamber 1 and is fixedly connected to the drive pulley 110; a driven shaft 111 is rotatably connected to the inner wall of the drying chamber 1; a second cam 112 is fixedly connected to the outer end of the driven shaft 111; the second cam 112 is located below the screen plate 104. Driven by the driven shaft 111, the two cams 112 strike the sieve slide plate 104. The resulting vibration not only causes the tea leaves above to slide to one side, but also sieves broken tea leaves and impurities, causing them to fall into the collection drawer 115 below. The driven shaft 111 passes through the drying box 1 and is fixed to the central shaft of the driven pulley 113. The outer ends of the driven pulley 113 and the driving pulley 110 are slidably connected by a transmission belt 114. The collection drawer 115 is provided below the sieve slide plate 104.

[0024] Please see Figure 4 In this embodiment, the heat recovery circulation assembly includes a gas collection hood 401, an air pump 402, a dehumidification chamber 403, and a drying filter plate 404. The gas collection hood 401 is fixed to the side end of the drying chamber 1. The air inlet of the air pump 402 is connected to the side end pipe of the gas collection hood 401. The air pump 402 can draw the hot air inside the drying chamber 1 into the dehumidification chamber 403. The air outlet of the air pump 402 is connected to the dehumidification chamber 403. The drying filter plate 404 is provided inside the dehumidification chamber 403. The side end pipe of the dehumidification chamber 403 is connected to the side end of the air inlet hood 4. The hot air processed by the dehumidification chamber 403 is reintroduced into the air inlet hood 4 to preheat the freshly drawn-in cold air, and then reintroduced into the drying chamber 1 by the fan 5.

[0025] During operation, the alternating tilting of the upper guide slide plate 102 and the sieve slide plate 104 increases the drying time of the tea leaves in the drying chamber 1. The U-shaped mounting block 101 and the first spring 103 keep the upper guide slide plate 102 and the sieve slide plate 104 in an elastically suspended state. Under the action of the first cam 109 and the second cam 112 driven by the motor 6, the upper guide slide plate 102 and the sieve slide plate 104 are struck, causing them to vibrate and allowing the tea leaves above to slide downwards. The flow-limiting baffle 105 prevents the tea leaves from sliding too far. Quickly, when the tea leaves pass through the upper guide slide plate 102, since the tea leaves have just been put in and have a high moisture content, they are dried by the large-area top heating module 7, which makes the moisture evaporate quickly. When the tea leaves fall onto the sieve slide plate 104 below, the auxiliary heating modules 8 on both sides of the side wall provide a low-temperature heating effect to evaporate the residual moisture, preventing the temperature from getting too high and the tea leaves from being overheated. In addition, the vibration of the sieve slide plate 104 can sieve the tea leaves above, so that broken tea leaves or impurities fall into the collection drawer 115 below.

[0026] Finally, the air collecting hood 401 can collect the air blown into the drying chamber 1 by the fan 5, and then the air pump 402 can introduce the hot air into the dehumidification chamber 403. The water vapor in the hot air is removed by the drying filter plate 404, and then introduced into the air inlet hood 4. Then, the fan 5 can draw the air into the drying chamber 1, which can preheat the air drawn in by the fan 5 and reduce energy consumption.

[0027] Through the above steps, the heat distribution structure can be adjusted according to the drying process of the tea leaves to avoid overheating and to increase the structure that allows the tea leaves to be evenly dispersed. The motor 6 drives the first cam 109 and the second cam 112 to strike the upper guide slide plate 102 and the sieve slide plate 104, causing them to vibrate and allowing the tea leaves above to slide down. The flow-limiting baffle 105 can prevent the tea leaves from sliding too fast. When the tea leaves pass through the upper guide slide plate 102, since the tea leaves have just been put in, the moisture content is high. The large-area top heating module 7 dries the tea leaves, allowing the moisture to evaporate quickly. When the tea leaves fall onto the sieve slide plate 104 below, the auxiliary heating modules 8 on both sides provide a low-temperature heating effect to evaporate the residual moisture, preventing the temperature from becoming too high and causing the tea leaves to overheat.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A tea processing and drying device, comprising a drying chamber (1); characterized in that: It also includes a feed inlet (2), a discharge outlet (3), a progressive drying assembly, a heat recovery circulation assembly, an air inlet hood (4), a fan (5), a motor (6), a top heating module (7), and a side wall auxiliary heating module (8); the upper end of the drying box (1) is provided with a feed inlet (2); the side end of the drying box (1) is provided with a discharge outlet (3); the interior of the drying box (1) is provided with a progressive drying assembly; the outer end of the drying box (1) is provided with a heat recovery circulation assembly; the side end of the drying box (1) is fixedly connected with an air inlet hood (4); the interior of the air inlet hood (4) is provided with a fan (5); the airflow of the fan (5) is directed towards the interior of the drying box (1); the drying box (1) A motor (6) is installed at the side end; a top heating module (7) is installed on the inner wall of the top of the drying box (1); a side wall auxiliary heating module (8) is installed on the side wall of the drying box (1); the progressive drying assembly includes a U-shaped mounting block (101), an upper guide slide plate (102) and a first spring (103); two pairs of U-shaped mounting blocks (101) are fixed to the inner wall of the drying box (1); the upper guide slide plate (102) is slidably connected to the inner side of one pair of U-shaped mounting blocks (101); the upper and lower ends of the upper guide slide plate (102) are both fixed to the first spring (103); the other end of the first spring (103) is fixed to the inner wall of the U-shaped mounting block (101).

2. The tea processing and drying apparatus according to claim 1, characterized in that: The progressive drying assembly also includes a sieve plate (104), a flow-limiting baffle (105), a fixed support block (106), a second spring (107), a transmission rod (108), a first cam (109), a driving pulley (110), a driven shaft (111), a second cam (112), a driven pulley (113), a transmission belt (114), and a collection drawer (115); the inner side of another pair of U-shaped mounting blocks (101) is slidably connected to the sieve plate (104); and the upper and lower ends of the sieve plate (104) are both fixedly connected to the first spring (103).

3. The tea processing and drying apparatus according to claim 2, characterized in that: The upper ends of the sieve slide plate (104) and the upper guide slide plate (102) are both fixed with flow-limiting baffles (105); the inner wall of the drying box (1) is fixed with two pairs of fixed blocks (106); the two pairs of fixed blocks (106) are respectively installed below the sieve slide plate (104) and the upper guide slide plate (102), and the upper ends of the two pairs of fixed blocks (106) are each equipped with a second spring (107); the upper ends of the second spring (107) are respectively fixed to the bottom of the sieve slide plate (104) and the upper guide slide plate (102); the output shaft of the motor (6) passes through the drying box (1) and is fixed with a transmission rod (108).

4. The tea processing and drying apparatus according to claim 3, characterized in that: A first cam (109) is fixedly connected to the outer end of the transmission rod (108); the first cam (109) is installed below the upper guide slide plate (102); the transmission rod (108) passes through the drying box (1) and is fixedly connected to the drive pulley (110); the inner wall of the drying box (1) is rotatably connected to the driven shaft (111); the outer end of the driven shaft (111) is fixedly connected to the second cam (112); the second cam (112) is located below the sieve slide plate (104).

5. The tea processing and drying apparatus according to claim 4, characterized in that: The driven shaft (111) passes through the drying box (1) and is fixed to the central shaft of the driven pulley (113); the outer ends of the driven pulley (113) and the driving pulley (110) are slidably connected to the transmission belt (114); a collection drawer (115) is provided below the sieve plate (104).

6. The tea processing and drying apparatus according to claim 1, characterized in that: The heat recovery circulation assembly includes a gas collection hood (401), an air pump (402), a dehumidification box (403), and a drying filter plate (404); the gas collection hood (401) is fixed to the side end of the drying box (1); the air inlet of the air pump (402) is connected to the side end of the gas collection hood (401) via a pipe.

7. The tea processing and drying apparatus according to claim 6, characterized in that: The outlet of the air pump (402) is connected to a dehumidification box (403); a drying filter plate (404) is installed inside the dehumidification box (403); the side end pipe of the dehumidification box (403) is connected to the side end of the air inlet hood (4).

Images