Waste heat recovery device of tea dryer

By designing separate heat exchange chambers and fan chambers in the tea dryer, and combining plate heat exchangers, blowers, filter pipes, and dehumidification pipes, the problem of the lack of filtration and dehumidification structures in the waste heat recovery device of the tea dryer is solved, achieving effective waste heat recovery and simple maintenance.

CN223925507UActive Publication Date: 2026-02-17TONGBAI XINMING AGRI CO LTD
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Patent Information

Application Number
CN202520403167.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-17
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing waste heat recovery devices for tea drying machines lack filtration and dehumidification structures, are complex in structure and difficult to maintain, resulting in energy waste.

Method used

A waste heat recovery device for a tea drying machine was designed, comprising an outer shell, cabinet, heat exchange chamber, fan chamber, plate heat exchanger, blower, filter pipe and dehumidification pipe. Through the reasonable layout of the partition structure and components, the device achieves filtration and dehumidification functions and is easy to maintain.

Benefits of technology

It effectively blocks dust and moisture in exhaust gas, prevents structural damage, simplifies maintenance, and avoids heat energy waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste heat recovery and utilization, and discloses a tea dryer waste heat recovery device which comprises a shell, a cabinet plate, a heat exchange cavity, a fan cavity, a plate type heat exchanger, an air blower, a filter pipe and a dehumidification pipe. According to the waste heat recovery device of the tea leaf drying machine, fine dust and fine tea leaves in waste gas can be blocked through the filter pipe, the situation that the internal structure is damaged due to the fact that impurities in the waste gas destroy the internal structure in the treatment process is prevented, the dehumidification pipe is arranged and used for removing moisture in damp and hot waste gas, and the interior of the shell is separated, so that the waste heat recovery effect is improved. The heat exchange cavity and the fan cavity are respectively arranged, and the internal structure of the cabinet can be conveniently maintained and cleaned by detaching the cabinet plate, so that the internal structure of the cabinet is simpler.
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Description

Technical Field

[0001] This utility model relates to the field of waste heat recovery and utilization technology, specifically a waste heat recovery device for a tea drying machine. Background Technology

[0002] Drying is a crucial step in tea processing, but existing tea dryers generate a lot of waste heat during the drying process, most of which is directly discharged, resulting in energy waste.

[0003] Although there are waste heat recovery devices on the market, most of them do not have filtration and dehumidification structures, and their complex structures make maintenance difficult. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To overcome the aforementioned deficiencies of the prior art, this utility model provides a waste heat recovery device for a tea drying machine, which solves the problems in the prior art:

[0006] Most waste heat recovery devices lack filtration and dehumidification structures, and their complex structures make maintenance difficult.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a waste heat recovery device for a tea drying machine, comprising an outer shell for protecting the internal structure, a cabinet plate fixedly installed on one side of the outer shell for easy disassembly and repair of internal components, a heat exchange chamber and a fan chamber separated by a baffle in the middle of the inner wall of the outer shell, the heat exchange chamber being located in the upper part of the inner shell, and the fan chamber being located in the lower part of the inner shell, a plate heat exchanger being installed inside the heat exchange chamber and fixed to the top of the baffle, a blower being installed inside the fan chamber and fixed to the bottom of the inner wall of the outer shell, a filter tube being fixedly installed on one side of the outer shell, and a dehumidification tube being fixedly installed at one end of the plate heat exchanger.

[0009] Optionally, the cabinet panel is provided with an observation window in the middle for easy viewing, and the four corners of the cabinet panel are threaded with screws for fixing.

[0010] Optionally, one end of the plate heat exchanger is provided with a first air inlet pipe for air intake, and the other end of the plate heat exchanger is provided with a first air outlet pipe for exhaust.

[0011] Optionally, a shock-absorbing base for vibration reduction is fixedly installed at the bottom of the blower, a drive motor is provided at the top of the blower, a second air outlet pipe is provided on one side of the blower, one end of the second air outlet pipe extends out of the top of the outer casing, and a second air inlet pipe is provided on the other side of the blower.

[0012] Optionally, the filter tube may be provided with a metal mesh and a filter element arranged sequentially from the outside to the inside.

[0013] (III) Beneficial Effects

[0014] This utility model provides a waste heat recovery device for a tea drying machine, which has the following beneficial effects:

[0015] This tea drying machine's waste heat recovery device, equipped with a filter pipe, can block fine dust and broken tea leaves in the exhaust gas, preventing impurities from damaging the internal structure during processing. The dehumidification pipe is used to remove moisture from the hot and humid exhaust gas. By dividing the outer shell, there are separate heat exchange chambers and fan chambers. By disassembling the cabinet panels, the internal structure can be easily repaired and cleaned, making its internal structure simpler. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the filter tube of this utility model;

[0019] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0020] In the diagram: 1. Outer shell; 2. Cabinet panel; 3. Plate heat exchanger; 4. Blower; 5. Dehumidification pipe; 6. Filter pipe; 11. Heat exchange chamber; 12. Fan chamber; 13. Baffle; 21. Observation window; 22. Screw; 31. First air inlet pipe; 32. First air outlet pipe; 41. Vibration damping base; 42. Drive motor; 43. Second air outlet pipe; 44. Second air inlet pipe; 61. Metal mesh; 62. Filter element. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by those skilled in the art. The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] Example 1:

[0024] Please see Figures 1 to 4 This utility model provides a technical solution: a waste heat recovery device for a tea drying machine, which is provided with a device shell 1, a cabinet 2, a baffle 13, a heat exchange chamber 11 and a fan chamber 12 in order to protect the internal structure during use.

[0025] The device includes an outer shell 1 for protecting the internal structure. A cabinet panel 2 is fixedly installed on one side of the outer shell 1 for easy disassembly and repair of internal components. A heat exchange chamber 11 and a fan chamber 12 are separated in the middle of the inner wall of the outer shell 1 by a baffle 13. The heat exchange chamber 11 is located in the upper part of the inner shell 1, and the fan chamber 12 is located in the lower part of the inner shell 1. An observation window 21 is provided in the middle of the cabinet panel 2 for easy viewing. Screws 22 are threaded at the four corners of the cabinet panel 2 for fixing. Therefore, the setting of the heat exchange chamber 11 and the fan chamber 12, separated by the baffle 13, ensures that the internal structure of the device is clear. The observation window 21 is set for easy viewing of the internal structure, and the screws 22 are set for fixing the cabinet panel 2.

[0026] Example 2:

[0027] In order to recover the waste heat in the exhaust gas during use, a plate heat exchanger 3 and a blower 4 are installed.

[0028] A plate heat exchanger 3 is installed inside the heat exchange chamber 11, and the plate heat exchanger 3 is fixed to the top of the baffle 13. A blower 4 is installed inside the fan chamber 12, and the blower 4 is fixed to the bottom of the inner wall of the outer casing 1. One end of the plate heat exchanger 3 is provided with a first air inlet pipe 31 for air intake, and the other end of the plate heat exchanger 3 is provided with a first air outlet pipe 32 for exhaust. A shock-absorbing base 41 for vibration reduction is fixedly installed at the bottom of the blower 4, and a drive motor 42 is installed at the top of the blower 4. A second air outlet pipe 43 is provided on one side of the blower 4, with one end of the second air outlet pipe 43 extending out of the top of the outer casing 1. A second air inlet pipe 44 is provided on the other side of the blower 4. Therefore, the first air inlet pipe 31 is provided and connected to the dehumidification pipe 5, and the first air outlet pipe 32 is provided and connected to the second air inlet pipe 44 of the blower 4. This facilitates the discharge of hot air from inside the plate heat exchanger 3 into the blower 4, and the hot air is then returned to the dryer through the second air outlet pipe 43, thus avoiding the waste of hot air.

[0029] Example 3:

[0030] In order to perform preliminary treatment of exhaust gas during use, a filter pipe 6 and a dehumidification pipe 5 are installed;

[0031] A filter tube 6 is fixedly installed on one side of the outer casing 1, and a dehumidification tube 5 is fixedly installed on one end of the plate heat exchanger 3. The filter tube 6 has a metal mesh 61 and a filter element 62 arranged sequentially from the outside to the inside. The metal mesh 61 is used to block tea residue in the exhaust gas, and the filter element 62 can further filter the impurities that pass through the metal mesh 61, thereby increasing the purity of the exhaust gas.

[0032] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tea leaf drier waste heat recovery device comprising a housing (1) for protecting the internal structure, characterized in that: The side of the shell (1) is fixedly installed with a cabinet plate (2), which is used for conveniently disassembling and repairing the internal components, the middle of the inner wall of the shell (1) is separated from the heat exchange cavity (11) and the fan cavity (12) through the baffle (13), the heat exchange cavity (11) is arranged at the upper part of the shell (1), the fan cavity (12) is arranged at the lower part of the shell (1), the inside of the heat exchange cavity (11) is provided with a plate heat exchanger (3), the plate heat exchanger (3) is fixed to the top of the baffle (13), the inside of the fan cavity (12) is provided with a blower (4), the blower (4) is fixed to the bottom of the inner wall of the shell (1), one side of the shell (1) is fixedly installed with a filter pipe (6), one end of the plate heat exchanger (3) is fixedly installed with a dehumidification pipe (5).

2. A tea dryer waste heat recovery device according to claim 1, characterized in that: The middle of the cabinet plate (2) is provided with an observation window (21) for convenient observation, and the four corners of the cabinet plate (2) are threadedly connected with screws (22) for fixing.

3. A tea dryer waste heat recovery device according to claim 1, characterized in that: One end of the plate heat exchanger (3) is provided with a first air inlet pipe (31) for air inlet, and the other end of the plate heat exchanger (3) is provided with a first air outlet pipe (32) for air outlet.

4. A tea dryer waste heat recovery device according to claim 1, characterized in that: The bottom of the blower (4) is fixedly installed with a damping base (41) for damping, the top of the blower (4) is provided with a driving motor (42), one side of the blower (4) is provided with a second air outlet pipe (43), one end of the second air outlet pipe (43) extends out of the top of the shell (1), and the other side of the blower (4) is provided with a second air inlet pipe (44).

5. A tea dryer waste heat recovery device according to claim 1, characterized in that: The inside of the filter pipe (6) is sequentially provided with a metal mesh (61) and a filter core (62) from outside to inside.