Tobacco curing device with humidifying function

By combining the core heat exchanger with the dehumidifying evaporator, and integrating the design of the condenser with the external evaporator, the problem of low gas humidification efficiency during tobacco curing is solved, achieving efficient air humidification and stable equipment operation.

CN223844955UActive Publication Date: 2026-01-30DONGGUAN ZHENGXU ENERGY SAVING TECH
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Patent Information

Application Number
CN202422950932.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2026-01-30
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In existing technologies, the gas humidification efficiency during tobacco curing is low, which affects the quality and efficiency of the cured tobacco.

Method used

By combining a core heat exchanger with a dehumidifying evaporator, along with a condenser and an external evaporator, efficient air humidification is achieved through heat exchange between the evaporator and condenser tubes. Temperature and state transitions are precisely controlled by a control module.

Benefits of technology

It increases air humidity, accelerates the tobacco curing process, ensures stable equipment operation and efficient dehumidification, and prevents equipment damage caused by excessive temperature.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tobacco flue-curing machines, in particular to a tobacco flue-curing device with a humidifying function, which comprises a core heat exchanger arranged at one end, close to an air return port, in a shell and comprising a body, a first air inlet and a second air outlet; the dehumidification evaporator is arranged on the side, away from the air return opening, of the core heat exchanger and comprises an evaporation pipe, the evaporation pipe is fixed to the surface of the dehumidification evaporator, and an evaporation cavity is formed between the dehumidification evaporator and the interior of the shell; the condenser is arranged on the side, opposite to the condenser, of the upper end of the interior of the shell and comprises a fixing frame and a condensation pipe, and a condensation cavity is formed between the condenser and the interior of the shell; the externally-hung evaporator is arranged at the left end of the condenser and comprises an evaporation net, an electric heater and a second liquid inlet, the evaporator is fixed to the externally-hung evaporator, and the humidifying efficiency of the tobacco flue-curing machine is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tobacco roasting machine technical field especially, it relates to a tobacco roasting device with humidification function. BACKGROUND

[0002] In the tobacco processing process, tobacco roasting is a crucial link. Traditional tobacco roasting methods often rely on natural environment and manual operation, and have many shortcomings. For example, the natural rehydration process is long and unstable, which can easily damage the quality of tobacco leaves. At the same time, the traditional tobacco roasting equipment is not efficient enough in humidification, which affects the quality and efficiency of tobacco roasting.

[0003] Chinese patent publication number: CN213428291 U discloses a whole type air heating tobacco roasting machine, including adjustable humidity and air pressure heating machine box and refrigeration machine box, refrigeration machine box is fixed on one side of heating machine box, heating machine box includes air inlet and hot air source air supply channel, air inlet is located at the bottom of the side wall of heating machine box, hot air source air supply channel is located at the top of heating machine box, heating device is arranged in heating machine box, heating device is located in air inlet and hot air source air supply channel, triangular support beam is arranged in the middle of heating machine box, two heating devices are fixed on the support beam at one end, and the other end of the two heating devices is fixed on the inner side wall of the heating machine box. However, the existing technology has the following problems: the existing technology has the problem of low gas humidification efficiency in the tobacco roasting process. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a tobacco roasting device with humidification function to overcome the problem of low gas humidification efficiency in the tobacco roasting process in the prior art.

[0005] To achieve the above purpose, the utility model provides a tobacco roasting device with humidification function, which comprises:

[0006] The shell is provided with an air return port on the side and a first air outlet on the upper part;

[0007] The core body heat exchanger is arranged at one end of the inside of the shell close to the air return port, comprising a first air inlet and a second air outlet, the first air outlet is arranged at one end of the core body heat exchanger away from the air return port, and the second air outlet is arranged at one end of the core body heat exchanger away from the first air outlet;

[0008] The dehumidification evaporator is arranged on one side of the core body heat exchanger away from the air return port, comprising an evaporation pipe, the evaporation pipe is fixed on the surface of the dehumidification evaporator, and the dehumidification evaporator and the inside of the shell form an evaporation cavity;

[0009] A compressor is arranged at the left end of the dehumidification evaporator, comprising a liquid storage tank, a first liquid outlet and a second liquid outlet, the bottom end of the liquid storage tank is sealed against the bottom end of the compressor, the first liquid outlet is offset relative to the top end of the compressor, and the second liquid outlet is located at the end of the top end of the compressor away from the first liquid outlet;

[0010] A condenser is arranged at the upper end inside the shell, comprising a fixing frame and a condensing pipe, the fixing frame is sealed against the inner wall of the shell, and the condensing pipe is fixed on the fixing frame, and the condenser and the inside of the shell form a condensing cavity;

[0011] An external evaporator is arranged on the side opposite to the condenser at the upper end inside the shell, comprising an evaporating mesh, an electric heater and a second liquid inlet, the evaporating mesh is fixed on the external evaporator, and one end of the electric heater is fixedly connected to the end of the external evaporator close to the condenser;

[0012] A first transmission pipe is in communication with the expansion valve at one end and with the first liquid outlet at the other end;

[0013] A second transmission pipe is in communication with the second liquid inlet at one end and with the second liquid outlet at the other end.

[0014] Further, the expansion valve is in communication with the inside of the dehumidification evaporator, the first liquid outlet is in communication with the top end of the compressor, the second liquid outlet is in communication with the top end of the compressor, and the second liquid inlet is in communication with the bottom end of the external evaporator.

[0015] Further, the surface of the dehumidification evaporator is provided with an evaporating pipe, and the material of the evaporating pipe is stainless steel.

[0016] Further, the bottom end of the liquid storage tank is sealed against the bottom end of the compressor, and the type of the liquid storage tank is one of a low-temperature liquid storage tank or a high-pressure liquid storage tank.

[0017] Further, the fixing mode of the evaporating pipe, the condensing pipe, the evaporator and the electric heater is screw fixing or welding fixing.

[0018] Further, the mesh hole of the evaporating mesh is hexagonal, and the mesh hole diameter is 0.5-0.6mm.

[0019] Further, the fixing frame is provided with the condensing pipe, and the material of the condensing pipe is copper pipe.

[0020] Further, a partition plate is arranged between the evaporating cavity and the condensing cavity.

[0021] Further, a control module is arranged, which is connected with the core heat exchanger, the dehumidification evaporator, the compressor, the condenser and the external evaporator, and controls the core heat exchanger, the dehumidification evaporator, the compressor and the condenser to be opened and the external evaporator to be closed in response to a first preset temperature.

[0022] Further, the control module controls the external evaporator to be opened and the core heat exchanger, the dehumidification evaporator, the compressor and the condenser to be opened in response to a second preset temperature.

[0023] Compared with the prior art, the utility model has the advantages that the utility model discloses a core heat exchanger and a dehumidification evaporator cooperate, effectively improve the air humidity of entering equipment, realize the purpose of humidification, on the other hand, the setting of condenser and external evaporator not only helps the efficient transfer and release of heat, but also prevents the inside of equipment from being damaged due to too high temperature, ensures the stable operation of system.

[0024] Further, the utility model discloses an evaporating pipe of stainless steel material improves the corrosion resistance, high temperature resistance and heat transfer efficiency of equipment, thereby ensuring the stable operation and efficient dehumidification effect of equipment.

[0025] Further, the utility model discloses the selection of liquid storage tank and the sealing abutment design of the bottom end of compressor, ensure the stable storage and transmission of liquid.

[0026] Further, the utility model discloses the setting of baffle between evaporating cavity and condensing cavity makes cold and hot fluid exchange in independent cavity respectively, avoids the direct mixing of cold and hot fluid. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic drawing of the tobacco curing device with humidification function of the utility model embodiment;

[0028] Figure 2 It is the working process schematic drawing of the tobacco curing device with humidification function of the utility model embodiment;

[0029] In the drawing, 1, shell;101, return air inlet;102, first air outlet;2, core heat exchanger;201, first air inlet;202, second air outlet;3, dehumidification evaporator;301, evaporating pipe;302, expansion valve;303, evaporating cavity;4, compressor;401, liquid storage tank;402, first liquid outlet;403, second liquid outlet;5, condenser;501, fixed frame;502, condensing pipe;503, condensing cavity;6, external evaporator;601, evaporating net;602, electric heater;603, second liquid inlet;7, first transmission pipe;8, second transmission pipe;9, baffle. DETAILED DESCRIPTION

[0030] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the following described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0032] In the description of the present application, "a plurality of" means at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0033] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0034] Please refer to Figures 1-2 , Figure 1 The structure diagram of the tobacco flue-curing device with humidification function according to an embodiment of the present application is shown in FIG. 1; Figure 2 The working process diagram of the tobacco flue-curing device with humidification function according to an embodiment of the present application is shown in FIG. 2.

[0035] The tobacco flue-curing device with humidification function according to an embodiment of the present application comprises:

[0036] The shell 1 is provided with an air return port 101 at the side portion and a first air outlet 102 at the upper portion;

[0037] The core heat exchanger 2 is arranged inside the shell 1 near one end of the return air inlet 101, comprising a first air inlet 201 and a second air outlet 202, the first air outlet 102 is arranged at one end of the core heat exchanger 2 away from the return air inlet 101, and the second air outlet 202 is arranged at one end of the core heat exchanger 2 away from the first air outlet 102;

[0038] The dehumidification evaporator 3 is arranged on one side of the core heat exchanger 2 away from the return air inlet 101, comprising an evaporation pipe 301 fixed on the surface of the dehumidification evaporator 3, and an evaporation cavity 303 formed between the dehumidification evaporator 3 and the inside of the shell 1;

[0039] The outer connecting pipe of the dehumidification evaporator 3 is connected with an expansion valve 302.

[0040] The compressor 4 is arranged inside the shell 1 away from the return air inlet 101, comprising a liquid storage tank 401, a first liquid outlet 402 and a second liquid outlet 403, the bottom end of the liquid storage tank 401 is sealingly abutted to the bottom end of the compressor 4, the first liquid outlet 402 is offset relative to the top end of the compressor 4, and the second liquid outlet 403 is located at one end of the top end of the compressor 4 away from the first liquid outlet 402;

[0041] The condenser 5 is arranged at the upper end inside the shell 1, comprising a fixing frame 501 and a condensing pipe 502, the fixing frame 501 is sealingly abutted to the inner wall of the shell 1, and the condensing pipe 502 is fixed on the fixing frame 501, and a condensing cavity 503 is formed between the condenser 5 and the inside of the shell 1;

[0042] The external evaporator 6 is arranged on the side opposite to the condenser 5 at the upper end inside the shell 1, comprising an evaporation net 601, an electric heater 602 and a second liquid inlet 603, the evaporation net 601 is fixed on the external evaporator 6, and one end of the electric heater 602 is fixedly connected to one end of the external evaporator 6 close to the condenser 5;

[0043] The first transmission pipe 7 communicates at one end with the expansion valve 302 and at the other end with the first liquid outlet 402;

[0044] The second transmission pipe communicates at one end with the second liquid inlet 603 and at the other end with the second liquid outlet 403.

[0045] Specifically, the expansion valve 302 communicates with the inside of the dehumidification evaporator 3, the first liquid outlet 402 communicates with the top end of the compressor 4, the second liquid outlet 403 communicates with the top end of the compressor 4, and the second liquid inlet 603 communicates with the bottom end of the external evaporator 6.

[0046] Specifically, the surface of the dehumidification evaporator 3 is provided with an evaporation pipe 301, and the material of the evaporation pipe 301 is stainless steel.

[0047] Specifically, the bottom end of the liquid storage tank 401 is sealed and abuts against the bottom end of the compressor 4, and the type of the liquid storage tank 401 is one of a low-temperature liquid storage tank 401 or a high-pressure liquid storage tank 401.

[0048] Specifically, the fixing mode of the evaporation pipe 301, the condensation pipe 502, the evaporator, and the electric heater 602 is threaded fixing or welding fixing.

[0049] Specifically, the mesh hole of the evaporation net 601 is hexagonal, and the mesh hole diameter is 0.5-0.6 mm.

[0050] Specifically, the fixing frame 501 is provided with the condensation pipe 502, and the material of the condensation pipe 502 is a copper pipe.

[0051] Specifically, a partition plate 9 is arranged between the evaporation cavity 303 and the condensation cavity 503.

[0052] Specifically, a control module is further arranged, which is connected with the core heat exchanger 2, the dehumidification evaporator 3, the compressor 4, the condenser 5, and the external evaporator 6, respectively, and controls the core heat exchanger 2, the dehumidification evaporator 3, the compressor 4, and the condenser 5 to be opened and the external evaporator 6 to be in a closed state in response to a first preset temperature, and it can be understood that the first preset temperature represents the temperature of the flue-cured tobacco device with a humidifying function in a humidifying process.

[0053] Specifically, the control module controls the external evaporator 6 to be opened and the core heat exchanger 2, the dehumidification evaporator 3, the compressor 4, and the condenser 5 to be in an opened state in response to a second preset temperature, and it can be understood that the second preset temperature represents the temperature of the flue-cured tobacco device with a humidifying function in a cooling stage after a humidifying process of the first preset temperature is completed.

[0054] The working process of the utility model is: when the first preset temperature, the control module opens the core body heat exchanger 2, the dehumidification evaporator 3, the compressor 4 and the condenser 5 and the external evaporator 6 is in the closed state, makes the air from the return air inlet 101 into the core body heat exchanger 2, the compressor 4 passes the first transmission pipe 7 and makes the refrigerant into the dehumidification evaporator 3, the dehumidification evaporator 3 evaporates and absorbs heat, and the hot air is refrigerated, and the cold air after refrigeration passes the core body heat exchanger 2 and is led into the condenser 5, the condenser 5 condenses the hot air, and the condensation process releases heat, and the hot air is discharged through the air outlet, when the temperature reaches the second preset temperature, the control module controls the external evaporator 6 to open and the core body heat exchanger 2, the dehumidification evaporator 3, the compressor 4 and the condenser 5 are also in the open state, the compressor 4 passes the second transmission pipe and leads the refrigerant into the external evaporator 6, the external evaporator 6 evaporates and absorbs heat, and the condenser 5 room temperature reduces, and it is not too hot.

[0055] For the general technical personnel in the art, according to the utility model embodiment's idea, there will be the change in specific implementation and application range, and the above-mentioned, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A flue-cured tobacco device having a humidification function, characterized by, The application relates to an air conditioner. The shell is provided with a return air inlet at the side and a first air outlet at the upper portion. The core heat exchanger is arranged at one end of the shell close to the return air inlet, and comprises a first air inlet and a second air outlet. The dehumidification evaporator is arranged at one side of the core heat exchanger away from the return air inlet, and comprises an evaporation pipe fixed to the surface of the dehumidification evaporator. The compressor is arranged at the left end of the dehumidification evaporator, and comprises a liquid storage tank, a first liquid outlet and a second liquid outlet. The condenser is arranged at the upper end of the shell, and comprises a fixing frame and a condensing pipe. The outer evaporator is arranged at the upper end of the shell opposite to the condenser, and comprises an evaporation net, an electric heater and a second liquid inlet. The first transmission pipe is in communication with the expansion valve at one end and the first liquid outlet at the other end. The second transmission pipe is in communication with the second liquid inlet at one end and the second liquid outlet at the other end.

2. The flue-cured tobacco device with a humidification function according to claim 1, characterized in that, The expansion valve is in communication with the interior of the dehumidification evaporator.

3. The flue-cured tobacco device with a humidification function according to claim 1, characterized in that, The bottom end of the liquid storage tank is sealed and abuts against the bottom end of the compressor.

4. The flue-cured tobacco device with a humidification function according to claim 1, wherein, The evaporation pipe, the condensing pipe, the evaporator and the electric heater are fixed by screwing or welding.

5. The flue-cured tobacco device with a humidification function according to claim 1, wherein, The mesh hole of the evaporation net is hexagonal, and the diameter of the mesh hole is 0.5-0.6 mm.

6. The flue-cured tobacco device with a humidification function according to claim 1, wherein, The fixing frame is provided with the condensing pipe, and the condensing pipe is made of copper pipe.

7. The flue-cured tobacco device with a humidification function according to claim 1, wherein, A partition is arranged between the evaporation cavity and the condensation cavity.

8. The flue-cured tobacco device with a humidification function according to claim 1, wherein, A control module is further arranged and connected with the core heat exchanger, the dehumidification evaporator, the compressor, the condenser and the outer evaporator.

9. The flue-cured tobacco device with a humidification function according to claim 1, wherein, The control module controls the core heat exchanger, the dehumidification evaporator, the compressor and the condenser to be opened and the outer evaporator to be closed in response to a first preset temperature.

10. The flue-cured tobacco device with a humidification function according to claim 9, wherein, The control module controls the external evaporator to be opened and the core heat exchanger, the dehumidification evaporator, the compressor and the condenser to be also in the opened state in response to a second preset temperature.

Citation Information

Patent Citations

  • Integral air heating tobacco curing machine

    CN213428291U