CN222418230U - A tea drying device capable of recovering heat - Google Patents

Abstract

The utility model relates to the technical field of tea processing equipment, in particular to a tea drying device capable of recovering heat. The novel hot air circulating device comprises a drying box body, wherein a box door is arranged on the drying box body, an exhaust fan is arranged at the top of the drying box body, a circulating air pipe is fixedly connected to the output end of the exhaust fan, an air heater is fixedly arranged on the inner wall of one side of the drying box body, an air outlet is formed in the drying box body, a dust filter screen is arranged at one end, far away from the air heater, of the air outlet, an air drying component is fixedly connected to one end, far away from the output end of the exhaust fan, of the circulating air pipe, and the output end of the air drying component is fixedly connected with the air heater.

Description

But heat recovery's tealeaves drying device

Technical Field

The utility model relates to the technical field of tea processing equipment, in particular to a tea drying device capable of recovering heat.

Background

The utility model provides a but heat recovery's tealeaves drying device comprises drying-machine and hot air recovery unit, in current tealeaves preparation, the drying technology of tealeaves is extremely important, in current tealeaves preparation, after the tealeaves is picked, steps such as through the fixation, plastic, need dry through the air-blower blowing, in order to avoid the heat to discharge extravagant, make full use of tealeaves drying-machine's exhaust waste heat reduces the energy consumption, practice thrift the cost, through set up a heat recovery unit in the air exit department of oven, utilize the high temperature high humidity of discharge gas in the oven, preheat the cold air that gets into in the hot air generating device.

However, in this structure, the heat flowing through the air inlet has a low flowing speed through the exhaust pipeline, so that the efficiency of the heat recovery device in the process of drying tea leaves by recovering heat is low, the heat cannot be fully recovered, in addition, the heat recovery device is adopted, so that the humidity of the air in the box is high, the high-temperature wet condition is caused, the tea making quality is affected, and the air absorbs dust on the tea leaves in the drying process and circularly flows in the drying box, so that the unsanitary is caused.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides a tea drying device capable of recovering heat, which solves the problems that the heat circulation is slower, water vapor can not be discharged in time, and dust affects the quality of tea in the prior art.

According to the embodiment of the utility model, the tea drying device capable of recycling heat comprises a drying box body, wherein a box door is arranged on the drying box body, and the tea drying device is characterized in that an exhaust fan is arranged at the top of the drying box body, an air outlet of the exhaust fan is fixedly connected with a circulating air pipe, a hot air blower is fixedly arranged at the lower part of the side wall of the drying box body, an air outlet of the hot air blower is communicated with the interior of the drying box body or is positioned in the interior of the drying box body, a dust filter screen is arranged in the air outlet, one end of the circulating air pipe, which is far away from the exhaust fan, is fixedly connected with an air drying assembly, and an air outlet of the air drying assembly is communicated with an air inlet of the hot air blower through a pipeline.

The utility model adopts the technical principle that firstly, air outside the box is heated and input into a drying box body by using an air heater, when hot air is firstly dried, moisture of tea leaves on a tea leaf plate is dried, water vapor and hot air in the box body are rapidly pumped away by an exhaust fan through an air inlet of the exhaust fan, then the water vapor and the hot air are discharged into an air drying assembly for drying by a circulating air pipe, and the water vapor and the hot air are heated again by the air heater and then flow back into the drying box body.

Compared with the prior art, the utility model has the following beneficial effects that the technical problems of low heat circulation, high air humidity caused by water vapor and influence of dust on tea quality are solved by adopting the exhaust fan, the air drying assembly and the dust filter screen, and the technical effects of enabling hot air circulation to be faster, avoiding high-temperature and wet conditions, influencing tea quality and avoiding dust circulation are generated. The utility model can further improve the tea drying efficiency and ensure the tea color due to the improvement of the gas flow rate and the drying treatment of the air.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

Fig. 2 is a schematic view of the external structure of the present utility model.

The drying box comprises a drying box body 1, an air heater 2, an air outlet 3, an air exhauster 4, an exhaust fan 5, a circulating air pipe 6, an air outlet 7, an exhaust cover 8, an air drying assembly 9, a tea leaf plate 10, a bracket 11, a dust filter screen 12, a box door 13, a carrying platform 14, a supporting rod 15, a moisture absorption filter layer 16, a drying agent layer 17, a spiral air deflector 18 and a supporting foot.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples. As shown in fig. 1-2, the embodiment of the utility model provides a tea leaf drying device capable of recovering heat, which comprises a drying box body 1, wherein a box door 12 is arranged on the drying box body 1, an exhaust fan 4 is arranged at the top of the drying box body 1, an air outlet of the exhaust fan 4 is fixedly connected with a circulating air pipe 5, a hot air blower 2 is fixedly arranged at the lower part of the side wall of the drying box body 1, an air outlet of the hot air blower 2 is communicated with the inside of the drying box body 1 or is positioned in the inside of the drying box body 1, a dust filter screen 11 is arranged in the air outlet 3, the circulating air pipe 5 is far away from one end of the exhaust fan 4, which is fixedly connected with an air drying assembly 8, the air outlet of the air drying assembly 8 is communicated with an air inlet of the hot air blower 2 through a pipeline, the box body is provided with the box door 12, the box door is closed during use, the exhaust fan 4 is fixedly connected with the output end of the exhaust fan 4 and is used for extracting hot air from the drying box body 1, the inner wall of one side of the drying box body 1 is fixedly provided with the hot air blower 2, when the hot air blower 2 is communicated with the inside of the drying box body 1, and the dust filter screen 11 is also arranged in the air outlet of the drying box body 1, and the dust filter screen is far away from the outside of the air filter assembly when the air filter screen is arranged in the air outlet 1, and the dust filter screen is connected with the air outlet of the air filter assembly, and the dust filter screen is arranged in the air outlet 1, and the dust filter assembly when the dust is far away from the outside of the air outlet 1.

One end fixed connection air drying component 8 of air exhauster 3 air outlet is kept away from to circulation tuber pipe 5, the output and the air heater 2 fixed connection of air drying component 8, the interior fixed mounting in stoving box 1 has a plurality of to carry on platform 13, set up branch 14 on carrying on the platform 13, the interval is less than chamber door 12 opening distance between the carrying on the platform, conveniently put into the tealeaves board on the support during the use.

The air drying assembly 8 comprises a cylindrical shell and a core body, wherein the shell is fixedly connected with the circulating air pipe 5 and the air heater 2, an opening and closing door is arranged on the shell, the core body is detachably sleeved in the shell, a supporting foot 18 for placing the core body is arranged on the inner wall of the shell, a spiral air deflector 17 is arranged on the inner wall of the core body, hot air discharged from an air outlet of the circulating air pipe 5 can be guided to a lower water absorption filter layer by the spiral air deflector 17, the water absorption filter layer is made of water absorption materials, most of moisture in the circulating hot air is absorbed by the water absorption filter layer during use, and excessive moisture is dried and filtered through the layer 16, so that the circulating hot air reaches a drying condition, the drying agent layer is set to be a pasting layer, the drying agent layer 16 is detachably pasted on the spiral air deflector 17, and the drying agent layer 16 is made of calcium chloride drying agent.

The top of the circulating air pipe 5 is provided with an air outlet 6, one end of the air outlet 6 far away from the circulating air pipe 5 is in threaded connection with an air exhaust cover 7, after the use is finished, the air exhaust cover 7 can be opened, the air heater 2 is closed, the exhaust fan can exhaust in-box hot air through the air outlet 6, the air outlet 6 can be additionally lengthened, and one end far away from the exhaust fan 4 can be lengthened to the outside, so that the exhaust of hot air in a room is avoided.

The detailed working process of this embodiment is to open the chamber door 12, place tealeaves on the tealeaves board 9, put the tealeaves board 9 on support 10 again, the tealeaves board 9 is ventilative otter board, start hot-air machine 2 with the outside air suction of case, after heating, discharge into stoving box 1 after filtering outside air dust by air outlet 3 through dust filter screen 11, simultaneously air exhauster 4 begins to operate, inhale the interior steam of stoving box 1 fast by air exhauster 4 input, discharge to circulation tuber pipe 5 by air exhauster 4 output, the steam circulates in air drying subassembly 8 through circulation tuber pipe 5, again through hygroscopic filter layer 15, hygroscopic filter layer 15 adopts the water absorbing material, first by hygroscopic filter layer absorption circulation steam most moisture, again through drier layer 16 dry filtration residual moisture, thereby make circulation steam reach dry condition, the drier layer adopts the calcium chloride drier to make, can effectively adsorb most moisture in the air, the steam after filtering is discharged into the hot-air machine secondary heating by air dryer 8 output, and discharge again into stoving box 1, because air exhauster 4 has been set up, the air exhauster 4, the filter screen has produced the hot air quality is faster after having produced the filter screen, the clean air quality has produced the clean air quality of drying, the dust has avoided the clean condition to produce the dust after the more, the clean condition has produced the clean and has produced the clean dust condition.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (6)

1. A tea drying device capable of recovering heat, comprising a drying box (1), wherein a box door (12) is arranged on the drying box (1), and characterized in that: an exhaust fan (4) is arranged on the top of the drying box (1), and the air outlet of the exhaust fan (4) is fixedly connected to a circulating air duct (5), a hot air blower (2) is fixedly installed on the lower part of the side wall of the drying box (1), the air outlet (3) of the hot air blower (2) is connected to the interior of the drying box (1) or is located inside the drying box (1), a dust filter (11) is installed in the air outlet (3), and an end of the circulating air duct (5) away from the exhaust fan (4) is fixedly connected to an air drying component (8), and the air outlet of the air drying component (8) is connected to the air inlet of the hot air blower (2) through a pipeline. 2. A tea drying device capable of recovering heat as described in claim 1, characterized in that: a plurality of carrying platforms (13) are arranged at the bottom of the drying box (1), a support rod (14) is fixedly connected to the carrying platform (13), a bracket (10) is arranged on the support rod (14), and the bracket (10) has multiple layers, and a tea plate (9) is placed on each layer. 3. A tea drying device with heat recovery as described in claim 1, characterized in that: the air drying component (8) includes a cylindrical shell and a core, the shell is fixedly connected to the circulating air duct (5) and the hot air blower (2), an opening and closing door is provided on the shell, the core is detachably sleeved in the shell, a spiral air guide plate (17) is provided on the inner wall of the core, and a detachable desiccant layer (16) is provided on the spiral air guide plate (17). 4. A tea drying device capable of recovering heat as claimed in claim 3, characterized in that a support foot (18) for placing the core is provided on the inner wall of the shell. 5. A tea drying device capable of recovering heat as claimed in claim 4, characterized in that the desiccant layer (16) is made of calcium chloride desiccant. 6. A tea drying device capable of recovering heat as described in claim 1, characterized in that an exhaust port (6) is provided at the top of the circulating air duct (5), and an exhaust cover (7) is threadedly connected to one end of the exhaust port (6) away from the circulating air duct (5).