A drying device

Abstract

The application discloses a drying device, which comprises a heating box, a drying room and a heat exchange assembly. The heating box is internally divided into a first cavity, a second cavity and a third cavity. The drying room is communicated with the second cavity. The heat exchange assembly comprises an evaporator and a condenser. The evaporator has a first end and a second end. The first end is located in the first cavity, and the second end is located in the second cavity and used for heat absorption of the drying room. The condenser has a third end and a fourth end. The third end is located in the third cavity, and the fourth end is located in the second cavity and arranged in mutual overlap with the second end of the evaporator and used for heating of the drying room. The evaporator and the condenser are overlapped and placed in the second cavity, and the drying room is communicated with the second cavity, so that the device can effectively dry and dehumidify ginseng without external environmental interference during the drying process, and the quality of dried ginseng is improved.

Description

Technical Field

[0001] This invention relates to the technical field of ginseng processing equipment, and more particularly to a drying device. Background Technology

[0002] The processing of ginseng involves many steps, and drying is one of the key steps in the production and processing of ginseng, which directly affects the quality of ginseng. Drying and dehydrating ginseng makes it easier to preserve it.

[0003] Existing equipment typically controls the drying temperature within a certain range during the drying process. However, after the moisture in the ginseng itself evaporates during drying, the humidity in the drying room increases. Since the drying room is relatively enclosed to minimize heat loss, when the air is saturated with moisture, the moisture in the ginseng is difficult to dissipate. No matter how high the temperature in the drying room is, if dehumidification is not carried out, the ginseng will become damp again once heating stops and the temperature in the drying room drops. This affects the drying effect of the ginseng and its quality. Summary of the Invention

[0004] In order to overcome at least one of the defects of the prior art, the present invention provides a drying device that arranges the evaporator and condenser in an overlapping manner in a separate space, so that the device can effectively dry and dehumidify ginseng while being unaffected by the external environment during the drying process.

[0005] The technical solution adopted by this invention to solve its problem is:

[0006] A drying apparatus, comprising:

[0007] A heating chamber is provided inside the heating chamber, and a first partition and a second partition are provided inside the working chamber. The first partition and the second partition divide the working chamber into a first cavity, a second cavity and a third cavity.

[0008] A drying chamber, which is connected to the second cavity;

[0009] A heat exchange assembly, comprising an evaporator and a condenser, wherein the evaporator has a first end and a second end, the first end being located in a first cavity and the second end being located in a second cavity, and is used to absorb heat from the drying chamber;

[0010] The condenser has a third end and a fourth end. The third end is located in the third cavity, and the fourth end is located in the second cavity and overlaps with the second end of the evaporator, and is used to heat the drying chamber.

[0011] Furthermore, a cooling fan is provided at the top of the third cavity, which is used to guide external gas into the third cavity and guide the gas inside the third cavity out.

[0012] Furthermore, a heat-absorbing fan is provided at the top of the first cavity, which is used to guide external gas into the first cavity and guide the gas inside the first cavity out.

[0013] Furthermore, the bottom of the first cavity and the third cavity are respectively provided with multiple through holes, which are used to introduce external gas into the first cavity and the third cavity.

[0014] Furthermore, a heater is also provided in the second cavity, which is located at the bottom of the condenser and is used to provide auxiliary heating for the drying chamber.

[0015] Furthermore, the evaporator is inclinedly disposed within the first cavity and the second cavity; the condenser is inclinedly disposed within the second cavity and the third cavity, so that the evaporator and the condenser are inclined and overlapped within the heating chamber.

[0016] Furthermore, the first partition is provided with a first locking interface at an angle, which is used to lock the evaporator; the second partition is provided with a second locking interface at an angle, which is used to lock the condenser; the first locking interface is located above the second locking interface, so that the evaporator is tilted above the condenser.

[0017] Furthermore, the second cavity has an inlet at the top and an outlet at the bottom. The inlet is connected to one end of the drying chamber, and the other end of the drying chamber is connected to the outlet, so that the airflow in the drying chamber is introduced through the inlet and discharged through the outlet.

[0018] Furthermore, an exhaust fan is provided at the outlet to guide the airflow in the second cavity toward the drying chamber.

[0019] Furthermore, the drying device also includes a compressor, multiple throttle valves, a four-way valve, and a separator; the four-way valve is provided with a first interface, a second interface, a third interface, and a fourth interface that are interconnected.

[0020] The first interface is connected to the compressor, the fourth interface is connected to one end of the condenser, and the other end of the condenser is connected to the throttle valve, so that the refrigerant in the compressor is introduced into the condenser through the fourth interface and discharged to the throttle valve through the condenser;

[0021] The second interface is connected to one end of the evaporator, and the other end of the evaporator is connected to the throttling valve, so that the refrigerant in the throttling valve is introduced into the evaporator and then discharged through the second interface;

[0022] The third interface is connected to one end of the separator, and the other end of the separator is connected to the compressor.

[0023] In summary, the drying device provided by the present invention has the following technical effects: by placing the evaporator and condenser overlapping in the second cavity, and by connecting the drying chamber to the second cavity, the device can effectively dry and dehumidify ginseng while being unaffected by the external environment during the drying process, thereby improving the quality of the dried ginseng. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram showing the connection of each component in an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram showing the connection between the heating chamber and the drying room in this invention.

[0027] The meanings of the reference numerals in the attached figures are as follows:

[0028] 11. Condenser; 12. Evaporator; 13. Heat absorption fan; 14. Heat dissipation fan; 15. Exhaust fan; 16. Heater; 21. First chamber; 22. Second chamber; 221. Inlet; 222. Outlet; 23. Third chamber; 31. Compressor; 32. Four-way valve; 33. Separator; 34. Throttling valve; 321. First interface; 322. Second interface; 323. Third interface; 324. Fourth interface; 40. Through hole; 50. Drying oven. Detailed Implementation

[0029] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0030] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0032] See Figures 1 to 3 The present invention discloses a drying device, including a heating box, a drying chamber 50 and a heat exchange component. The heating box is provided with a working chamber, and the working chamber is provided with a first partition and a second partition. The first partition and the second partition divide the working chamber into a first cavity 21, a second cavity 22 and a third cavity 23, and the drying chamber 50 is connected to the heating box.

[0033] The heat exchange components include an evaporator 12 and a condenser 11. The evaporator 12 has a first end and a second end. The first end is located in a first cavity 21, and the second end is located in a second cavity 22. The evaporator 12 is used to absorb heat from the drying chamber 50. The condenser 11 has a third end and a fourth end. The third end is located in a third cavity 23, and the fourth end is located in the second cavity 22 and overlaps with the second end of the evaporator 12. The condenser 11 is used to heat the drying chamber 50.

[0034] Based on the above structure, when the equipment dries ginseng, since the working chamber is equipped with a first partition and a second partition, and the first partition and the second partition divide the working chamber into a first chamber 21, a second chamber 22 and a third chamber 23, and the drying chamber 50 is connected to the second chamber 22, the first end of the evaporator 12 in the heat exchange assembly is installed in the first chamber 21, and the second end of the evaporator 12 is installed in the second chamber 22, so that the evaporator 12 is located between the first chamber 21 and the second chamber 22. Since the third end of the condenser 11 is installed in the third chamber 23 and the fourth end is installed in the second chamber 22, the second end of the evaporator 12 and the fourth end of the condenser 11 can be overlapped and installed in the second chamber 22 to repeatedly exchange heat and dry the drying chamber 50 connected to the second chamber 22.

[0035] Specifically, when the equipment is running, the condenser 11 begins to release heat into the second chamber 22, which flows into the drying chamber 50 to heat and dry the ginseng. After drying, the humidity of the air in the drying chamber 50 will increase. At this time, the air flows back into the second chamber 22 and is then dehumidified by the evaporator 12. This cycle is repeated to dry the ginseng.

[0036] It should be noted that existing equipment typically controls the drying temperature within a certain range and only dries the ginseng. However, after the moisture in the ginseng itself evaporates during the drying process, the humidity in the drying room will increase. Since the drying room needs to minimize heat loss and is relatively enclosed, when the moisture content in the air is saturated, the moisture in the ginseng is difficult to dissipate. No matter how high the temperature in the drying room is, if dehumidification is not carried out, once the heating stops and the temperature in the drying room drops, the ginseng will become damp again, affecting the drying effect and the quality of the ginseng.

[0037] Therefore, in this embodiment, by placing the evaporator 12 and the condenser 11 overlapping in the second cavity 22, and by connecting the second cavity 22 to the drying chamber 50, the entire drying environment is in a sealed environment, which can both heat and dry the ginseng and effectively dehumidify the air in the drying chamber 50, greatly improving the quality of the dried ginseng.

[0038] Furthermore, a cooling fan 14 is provided at the top of the third cavity 23. The cooling fan 14 is used to guide external gas into the third cavity 23 and guide the gas inside the third cavity 23 out.

[0039] Specifically, since the drying temperature of ginseng needs to be controlled within a certain range during the drying process, when the cold medium in the fourth end of the condenser 11 in the second chamber 22 exchanges heat with the gas in the drying chamber 50, but the temperature in the drying chamber 50 still does not reach the required temperature, the cooling fan 14 set on the top of the third chamber 23 can be turned on to guide the cold medium in the third end of the condenser to exchange heat with the external gas. The cold medium in the third end of the condenser then flows back to the fourth end of the condenser in the second chamber after its temperature decreases due to heat exchange with the external gas, and exchanges heat with the gas in the drying chamber 50 again. This adjusts the heat released by the condenser 11 to adjust the temperature in the second chamber 22, thereby effectively helping to adjust the temperature of the drying chamber 50.

[0040] It should be noted that the cooling fan 14 in this embodiment can be an existing pneumatic fan or an electric fan, or other devices used for heat dissipation.

[0041] Furthermore, a heat-absorbing fan 13 is provided at the top of the first cavity. The heat-absorbing fan 13 is used to guide external gas into the first cavity 21 and guide the gas in the first cavity 21 out.

[0042] Specifically, during equipment operation, the condenser 11 may release heat too quickly, causing the ginseng in the drying chamber 50 to dry rapidly while generating a large amount of moisture. The evaporator 12 cannot completely remove the moisture from the air, resulting in increased air humidity in the drying chamber 50 and affecting the drying process of the ginseng. At this time, the heat-absorbing fan 13 set at the top of the first chamber 21 can be turned on to guide the cold medium in the first end of the evaporator 12 in the first chamber to absorb heat energy from the air to increase its own temperature, causing the liquid cold medium to evaporate and vaporize. During the vaporization process, the cold medium will accelerate heat absorption. After the cold medium in the first end of the evaporator 12 is vaporized, it flows back to the second end and can quickly absorb the heat in the second chamber, thereby removing the moisture in the second chamber more quickly and reducing the humidity in the drying chamber. Therefore, the heat-absorbing fan 13 can effectively assist the evaporator 12 in absorbing heat and removing moisture, and can fully remove moisture from the drying chamber 50 according to actual needs.

[0043] It should be noted that the heat-absorbing fan 13 in this embodiment can be any existing blower or centrifugal fan or other device that can be used for heat absorption.

[0044] Furthermore, the bottom of the first cavity 21 and the third cavity 23 are respectively provided with a plurality of through holes 40, which are used to introduce external gas into the first cavity 21 and the third cavity 23.

[0045] Specifically, when the equipment is running, if the heat-absorbing fan 13 at the top of the first chamber 21 needs to be turned on to assist in dehumidification of the drying chamber 50, then, since there are multiple through holes 40 at the bottom of the first chamber 21, when the heat-absorbing fan 13 is turned on, the outside air can enter the first chamber 21 through the multiple through holes 40. This allows the cold medium in the evaporator 12 between the first chamber 21 and the second chamber 22 to continuously absorb heat energy from the outside air to increase its own temperature, causing the liquid cold medium in the evaporator 12 to evaporate and vaporize, thereby accelerating the absorption of heat into the second chamber 22 and thus assisting the drying chamber 50 in quickly dehumidifying.

[0046] Similarly, when it is necessary to turn on the cooling fan 14 at the top of the third cavity 23 to assist in adjusting the temperature of the drying chamber 50, since there are multiple through holes 40 at the bottom of the third cavity 23, when the cooling fan 14 is turned on, external gas can enter the third cavity 23 through the multiple through holes 40 to exchange heat with the cold medium in the condenser 11, thereby assisting in adjusting the temperature of the drying chamber 50.

[0047] It should be noted that the multiple through holes 40 can be integrally formed at the bottom of the first cavity 21 and the third cavity 23.

[0048] Furthermore, a heater 16 is also provided in the second cavity 22. The heater 16 is located at the bottom of the condenser 11 and is used to provide auxiliary heating for the drying chamber 50.

[0049] Specifically, by installing a heater 16 in the second cavity 22 and placing the heater 16 at the bottom of the condenser 11, when the drying temperature in the second cavity 22 still cannot meet the drying requirements after the condenser 11 is turned on, the heater 16 can be turned on to increase the temperature in the second cavity 22, thereby providing auxiliary heating for the drying chamber 50.

[0050] Preferably, the heater 16 in this embodiment can be an existing tubular heater 16 or a plate heater 16 or other types of heater 16.

[0051] Furthermore, the evaporator 12 is inclinedly disposed in the first cavity 21 and the second cavity 22, and the condenser 11 is inclinedly disposed in the second cavity 22 and the third cavity 23, so that the evaporator 12 and the condenser 11 are inclined and overlapped in the heating box.

[0052] Specifically, by tilting the evaporator 12 into the first chamber 21 and the second chamber 22, and tilting the condenser 11 into the second chamber 22 and the third chamber 23, the evaporator 12 and the condenser 11 are tilted within the heating chamber. This ensures that the heat transfer tubes in both the evaporator 12 and the condenser 11 are filled with a cold medium. When the cold medium exchanges heat with the gas, the tilted arrangement of the evaporator 12 and the condenser 11 allows the gas to be blown towards the cold medium from both the horizontal and vertical sides, thereby increasing the heat exchange area between the gas and the cold medium and effectively improving the heat exchange efficiency. Furthermore, the tilted overlapping arrangement of the two components greatly saves installation space, making the overall device smaller.

[0053] Furthermore, a first locking interface is obliquely provided on the first partition plate for locking the evaporator 12, and a second locking interface is obliquely provided on the second partition plate for locking the condenser 11. The first locking interface is located above the second locking interface so that the evaporator 12 is obliquely positioned above the condenser 11.

[0054] Specifically, by obliquely setting a first locking interface on the first partition, the evaporator 12 is locked into the first locking interface to make the evaporator 12 tilted and installed in the heating box. Similarly, by obliquely setting a second locking interface on the second partition, the condenser 11 is locked into the second locking interface to make the condenser 11 tilted and installed in the heating box. Furthermore, by setting the first locking interface above the second locking interface, the evaporator 12 is positioned above the condenser 11.

[0055] It should be noted that in this embodiment, the condenser 11 can also be placed above the evaporator 12, depending on the actual needs.

[0056] Furthermore, an inlet 221 is provided at the top of the second cavity 22, and an outlet 222 is provided at the bottom of the second cavity 22. The inlet 221 is connected to one end of the drying chamber 50, and the other end of the drying chamber 50 is connected to the outlet 222, so that the airflow in the drying chamber 50 is introduced through the inlet 221 and discharged through the outlet 222.

[0057] Specifically, by setting an inlet 221 at the top of the second cavity 22 and an outlet 222 at the bottom of the second cavity 22, and by connecting the inlet 221 to one end of the drying chamber 50 and the outlet 222 to the other end of the drying chamber 50, a closed loop is formed between the drying chamber 50 and the second cavity 22. When the equipment is running, the heat released by the condenser 11 can enter the drying chamber 50 through the outlet 222, and then be introduced into the second cavity 22 through the inlet 221 at the other end of the drying chamber 50. The heat is then absorbed by the evaporator 12. This cycle is repeated to control the temperature and humidity of the entire drying chamber 50 within a certain range.

[0058] It should be noted that the drying chamber 50 can be connected to the inlet 221 and the outlet 222 via a pipeline connection.

[0059] Furthermore, an exhaust fan 15 is also provided at the outlet 222, which is used to guide the airflow in the second cavity 22 toward the drying chamber 50.

[0060] Specifically, by installing an exhaust fan 15 at the outlet 222, when the exhaust fan 15 is turned on, the hot air in the second chamber 22 can be blown into the drying chamber 50, and the airflow at the other end of the drying chamber 50 can be guided to flow into the second chamber 22 through the inlet 221, thereby causing the second chamber 22 and the gas in the drying chamber 50 to circulate repeatedly.

[0061] Preferably, the exhaust fan 15 in this embodiment can be an existing embedded exhaust fan 15 or a wall-mounted exhaust fan 15.

[0062] Furthermore, the drying device also includes a compressor 31, multiple throttle valves 34, a four-way valve 32, and a separator 33. The four-way valve 32 is provided with a first port 321, a second port 322, a third port 323, and a fourth port 324 that are interconnected. By connecting the first port 321 to the compressor 31, the fourth port 324 to one end of the condenser 11, and the other end of the condenser 11 to the throttle valve 34, the refrigerant in the compressor 31 is introduced into the condenser 11 through the fourth port 324 and can then be condensed. The refrigerant 11 is led out to the throttle valve 34, and the second port 322 is connected to one end of the evaporator 12. The other end of the evaporator 12 is connected to the throttle valve 34, so that the refrigerant in the throttle valve 34 can be introduced into the evaporator 12 and then led out through the second port 322. The third port 323 is connected to one end of the separator 33, and the other end of the separator 33 is connected to the compressor 31, so that the refrigerant in the evaporator 12 can be led out through the second port 322 and then run through the third port 323 to the separator 33 and then flow back to the compressor 31.

[0063] Based on the above structure, when the equipment is running, since the compressor 31 is connected to the first interface 321 on the four-way valve 32, and the fourth interface 324 on the four-way valve 32 is connected to one end of the condenser 11, and the other end of the condenser 11 is connected to the throttle valve 34, the refrigerant in the compressor 31 can be introduced through the first interface 321 on the four-way valve 32 and then exported to one end of the condenser 11 through the fourth interface 324. Since the other end of the condenser 11 is connected to one end of the throttle valve 34, after the refrigerant in the condenser 11 has been used to exothermically dry the drying chamber 50, it can be exported to the throttle valve 34 to reduce the pressure and adjust the temperature of the refrigerant itself.

[0064] Furthermore, since one end of the evaporator 12 is connected to the throttle valve 34, the second port 322 of the four-way valve 31 is connected to the evaporator 12, and the third port 323 is connected to the separator 33, the refrigerant after throttling and depressurization can be discharged from the throttle valve 34 to the evaporator 12. After entering the evaporator 12 and undergoing heat exchange, the refrigerant can be discharged through the second port 322 on the four-way valve 34 and then introduced into the separator 33 through the third port 323. The refrigerant in the separator 33 finally flows back to the compressor 31 through the first port 321.

[0065] Specifically, since the refrigerant in the evaporator 12 is a gas-liquid mixture after absorbing heat and dehumidifying the drying chamber 50, if the refrigerant flows directly back to the compressor 31 at this time, it may cause the compressor 31 to be damaged due to the intake of a large amount of liquid refrigerant. Therefore, in this embodiment, the third port 323 of the four-way valve 32 is also connected to a separator 33. By connecting one end of the separator 33 to the third port 323 and the other end of the separator 33 to the compressor 31, the refrigerant in the evaporator 12 can be first led out to the bottom of the separator 33 through the third port 323 of the four-way valve 32 after absorbing heat and dehumidifying the drying chamber. Then, the liquid refrigerant is converted into a gaseous medium by the separator 33 and rises to the top before flowing back to the compressor 31. This can prevent the compressor 31 from being damaged by the intake of a large amount of liquid refrigerant.

[0066] It should be noted that the four-way valve 32 in this embodiment can be an existing forced reversing four-way reversing valve or a rotary reversing four-way reversing valve or other types of four-way valves, and the separator 33 can also be an existing gas-liquid separator.

[0067] Preferably, the throttle valve in this embodiment is an existing electronic expansion valve.

[0068] The technical means disclosed in this invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications are also considered within the scope of protection of this invention.

Claims

1. A drying apparatus, characterized in that, include: A heating chamber is provided inside the heating chamber, and a first partition and a second partition are provided inside the working chamber. The first partition and the second partition divide the working chamber into a first cavity, a second cavity and a third cavity. A drying chamber, which is connected to the second cavity; A heat exchange assembly, comprising an evaporator and a condenser, wherein the evaporator has a first end and a second end, the first end being located in a first cavity and the second end being located in a second cavity, and is used to absorb heat from the drying chamber; The condenser has a third end and a fourth end. The third end is located in the third cavity, and the fourth end is located in the second cavity and overlaps with the second end of the evaporator, and is used to heat the drying chamber. A heat dissipation fan is provided at the top of the third cavity, and the heat dissipation fan is used to guide external gas into the third cavity and guide the gas in the third cavity out. A heat-absorbing fan is provided at the top of the first cavity. The heat-absorbing fan is used to guide external gas into the first cavity and guide the gas inside the first cavity out.

2. The drying apparatus as described in claim 1, characterized in that, The bottom of the first cavity and the third cavity are respectively provided with multiple through holes, which are used to introduce external gas into the first cavity and the third cavity.

3. The drying apparatus as described in claim 1, characterized in that, The second cavity is also equipped with a heater, which is located at the bottom of the condenser and is used to provide auxiliary heating for the drying chamber.

4. The drying apparatus as described in claim 1, characterized in that, The evaporator is inclinedly disposed within the first cavity and the second cavity; the condenser is inclinedly disposed within the second cavity and the third cavity, such that the evaporator and the condenser are inclined and overlapped within the heating chamber.

5. The drying apparatus as described in claim 4, characterized in that, The first partition is provided with a first locking interface at an angle, which is used to lock the evaporator; the second partition is provided with a second locking interface at an angle, which is used to lock the condenser; the first locking interface is located above the second locking interface, so that the evaporator is tilted above the condenser.

6. The drying apparatus as described in claim 1, characterized in that, The second cavity has an inlet at the top and an outlet at the bottom. The inlet is connected to one end of the drying chamber, and the other end of the drying chamber is connected to the outlet, so that the airflow in the drying chamber is introduced through the inlet and discharged through the outlet.

7. The drying apparatus as described in claim 6, characterized in that, An exhaust fan is also provided at the outlet, which is used to guide the airflow in the second cavity toward the drying chamber.

8. The drying apparatus as described in claim 1, characterized in that, The drying device also includes a compressor, multiple throttle valves, a four-way valve, and a separator; the four-way valve is provided with a first interface, a second interface, a third interface, and a fourth interface that are interconnected. The first interface is connected to the compressor, the fourth interface is connected to one end of the condenser, and the other end of the condenser is connected to the throttle valve, so that the refrigerant in the compressor is introduced into the condenser through the fourth interface and discharged to the throttle valve through the condenser; The second interface is connected to one end of the evaporator, and the other end of the evaporator is connected to the throttling valve, so that the refrigerant in the throttling valve is introduced into the evaporator and then discharged through the second interface; The third interface is connected to one end of the separator, and the other end of the separator is connected to the compressor.

Images