Heating and dehumidifying integrated device for heat pump curing barn

Abstract

The heating and dehumidifying integrated device for the heat pump curing barn comprises a fixing plate, a barn body, an evaporator, a compressor and a condenser, a sealing door is connected to one side of the barn body through hinges, two sliding grooves are formed in the two sides in the barn body respectively, limiting rods are fixedly connected into the sliding grooves, a sealing plate is connected to the limiting rods in a sleeved mode, and a connecting strip is fixedly connected to one side of the sealing plate; a sealing plate and a connecting strip are arranged in the room body, the connecting strip is in threaded connection with an adjusting rod, the bottom end of the adjusting rod is rotationally connected with an adjusting plate through a bearing, the bottom end of the adjusting plate is evenly and fixedly connected with pressing plates, a through hole is formed between every two opposite pressing plates, and a clamping plate is inserted into the through hole. The pressing plate penetrates through the #-shaped grating to make contact with the inclined face of the air flue, then the opposite clamping plates make contact oppositely, the gap is reduced, meanwhile, the heat pump unit is used for heating airflow in the room body, and therefore the drying and dehumidifying efficiency is improved, the heat island effect is reduced, and the material drying effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of heat pump drying room technology, specifically to a heating and dehumidification integrated device for heat pump drying rooms. Background Technology

[0002] A heat pump drying oven is a drying equipment that utilizes heat pump technology to achieve efficient and environmentally friendly heating. It is widely used in industries such as tobacco, food, pharmaceuticals, and timber. Its working principle is to absorb heat from the environment through a heat pump system, raise the temperature through a compressor, and then transfer the high-temperature heat energy to the interior of the drying oven to achieve uniform heating and moisture evaporation of the materials. Typically, the heat pump drying oven uses a compressor to compress a low-temperature, low-pressure refrigerant into a high-temperature, high-pressure gas, releasing heat into the drying oven for rapid heating. At the same time, the evaporator absorbs heat from the outside or return air to assist the heat pump circulation. Then, through the heat pump's refrigeration cycle, the high-temperature, high-humidity air inside the drying oven is cooled to below the dew point temperature, causing water vapor to condense into water and be discharged, thus achieving dehumidification.

[0003] According to Chinese Patent Publication No. CN205878862U, "An Integrated Heating and Dehumidifying Device for a Drying Barrel," the device primarily utilizes an integrated heat pump system connected to the drying barrel and its heating chamber. This allows circulating airflow to pass through the heat pump system, where waste heat is cross-exchanged and recovered. It boasts good applicability and a user-friendly design, automatically controlling the drying barrel based on temperature and humidity. It truly achieves heating, dehumidification, moisture removal, and ventilation, offering convenient all-weather use and a wide range of applications, aligning with national energy conservation and emission reduction policies. The integrated structure is novel in design, simple and convenient to install, and highly flexible.

[0004] Common heat pump drying ovens remove moisture from materials during the processing, thus achieving heating and dehumidification. However, when the material volume is less than the oven's internal volume, a heat island effect occurs, leading to uneven heat distribution and reduced airflow resistance within the oven, resulting in uneven wind speed and affecting the uniformity of material drying.

[0005] Therefore, a heating and dehumidification integrated device for heat pump ovens is proposed to solve the problem of reduced efficiency in heat pump ovens due to the limited amount of material during the heating and dehumidification process. Utility Model Content

[0006] The technical problem to be solved by this utility model is that the efficiency of heat pump ovens is reduced due to the amount of material involved in the heating and dehumidification process. Therefore, an integrated heating and dehumidification device for heat pump ovens is proposed.

[0007] The technical solution adopted by this utility model to solve the technical problem is: a heating and dehumidifying integrated device for a heat pump oven, including a fixed plate, an oven body, an evaporator, a compressor, and a condenser. A door is hinged to one side of the oven body. Two sliding grooves are opened on both sides of the oven body. Limiting rods are fixedly connected to the sliding grooves. A sealing plate is sleeved on the limiting rod. A connecting strip is fixedly connected to one side of the sealing plate. An adjusting rod is threaded onto the connecting strip. An adjusting plate is rotatably connected to the bottom end of the adjusting rod via a bearing. Pressure plates are evenly fixedly connected to the bottom end of the adjusting plate. Two opposing pressure plates... The device has through holes with inserts of clamping plates inside. One side of the clamping plate contacts a spring, and the other side of the spring contacts a pressure plate. An air duct is provided at the upper end of the fixing plate. A connecting ring is fixedly connected to one side of the upper end of the fixing plate. The connecting ring is fixedly connected to the evaporator and communicates internally. An air inlet is fixedly connected to one side of the evaporator and communicates with the condenser. A bracket is fixedly connected to one side of the air duct, and a drive motor is fixedly connected to the upper side of the bracket. A guide fan is fixedly connected to the output end of the drive motor. A grid is fixedly connected to the other side of the air duct, and the grid is located inside the room.

[0008] As a preferred technical solution of this utility model, the fixing plate is located on one side of the air duct and contacts a gasket. The gasket is fixedly connected to the bottom side of the pressure plate and is made of rubber. By setting the gasket, the sealing effect between the pressure plate and the air duct can be increased.

[0009] As a preferred technical solution of this utility model, a first groove is provided on one side of the fixing plate, and electric push rods are fixedly connected to both sides of the fixing plate at the first groove. A plug is fixedly connected to the output end of the electric push rod. By setting the electric push rod to drive the plug to contact or move away from the first groove, the water vapor in the early stage of baking materials in the heat pump baking room can be directly discharged, which can reduce heat loss.

[0010] As a preferred technical solution of this utility model, a guide plate is fixedly connected to one side of the chamber body, and the bottom side of the guide plate contacts one side of the condenser. By setting the guide plate, the flow surface of the airflow can be increased and the heating effect can be improved.

[0011] As a preferred technical solution of this utility model, a protruding strip is fixedly connected to the bottom side of the chamber, a movable retaining strip is in contact with one side of the protruding strip, and a protrusion is fixedly connected to one side of the movable retaining strip. The protrusion has the same structure as the protruding strip. Through the protruding strip, the movable retaining strip and the protrusion, a connecting structure and a blocking structure can be formed, and it can adapt to different baking spaces.

[0012] This utility model has the following advantages: After placing the material in the chamber, a sealing plate and an adjustment plate are placed to adjust the size of the chamber. The pressure plate passes through the grid and contacts the inclined surface of the air duct. Then, the opposing clamping plates are set to contact each other to reduce the gap. At the same time, the heat pump unit is used to heat the airflow in the chamber, thereby improving the drying and dehumidification efficiency, reducing the generation of the heat island effect, and improving the drying effect of the material. Attached Figure Description

[0013] Figure 1 This is a side cross-sectional view of a preferred embodiment of the present invention, showing a heat pump oven heating and dehumidification integrated device.

[0014] Figure 2 This is a three-dimensional structural diagram of the sealing plate of a heat pump oven heating and dehumidification integrated device according to a preferred embodiment of the present invention.

[0015] Figure 3 This is a side cross-sectional view of the pressure plate of a heat pump oven heating and dehumidification integrated device according to a preferred embodiment of the present invention.

[0016] Figure 4 This is an enlarged structural diagram of point A of a heat pump oven heating and dehumidification integrated device according to a preferred embodiment of the present invention.

[0017] Explanation of reference numerals in the attached drawings: 1. Fixing plate; 2. Chamber body; 3. Evaporator; 4. Compressor; 5. Condenser; 6. Sealing door; 7. Slide groove; 8. Limiting rod; 9. Sealing plate; 10. Connecting strip; 11. Adjusting rod; 12. Adjusting plate; 13. Air duct; 14. Connecting ring; 15. Guide fan; 16. Air inlet duct; 17. Grid grille; 18. Pressure plate; 19. Gasket; 20. First groove; 21. Electric push rod; 22. Plug; 23. Guide plate; 24. Movable retaining strip; 25. Protrusion; 26. Retaining plate. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Please refer to the following: Figure 1-4The heat pump oven heating and dehumidification integrated device shown includes a fixed plate 1, an oven body 2, an evaporator 3, a compressor 4, and a condenser 5. The evaporator 3 and condenser 5 are equipped with industrial fans (not shown in the figure, but used to promote airflow; under normal conditions, a drive motor and rotating plate structure are installed on one side of the evaporator 3 to close the air inlet of the industrial fan). A check valve is installed on one side of the evaporator 3 to automatically allow air to enter when there is negative pressure inside the oven body 2. Insulation structures are installed on the outside of the fixed plate 1, the oven body 2, the connecting ring 14, and the air inlet duct 16. A door 6 is hinged on one side of the chamber 2 and can be opened automatically for loading and unloading materials. Two sliding grooves 7 are provided on both sides of the chamber 2. Limiting rods 8 are fixedly connected within the sliding grooves 7. By setting the sliding grooves 7 and the limiting rods 8, the sealing plate 9 can be moved. The sealing plate 9 is sleeved on the limiting rod 8. A connecting strip 10 is fixedly connected to one side of the sealing plate 9. An adjusting rod 11 is threaded onto the connecting strip 10. Rotating the adjusting rod 11 causes the adjusting plate 12 and the pressure plate 18 to press down and contact the air duct 13, thereby changing the space inside the chamber 2 and reducing the amount of material inside the chamber 2. The internal space generates a heat island effect. The bottom end of the adjusting rod 11 is rotatably connected to an adjusting plate 12 via a bearing. Pressure plates 18 are evenly fixedly connected to the bottom end of the adjusting plate 12. A through hole is formed between two opposing pressure plates 18, and a retaining plate 26 is inserted into the through hole. The retaining plate 26 extends under the action of a spring, further reducing the gap between adjacent pressure plates 18. One side of the retaining plate 26 contacts a spring, and the other side of the spring contacts a pressure plate 18. An air duct 13 is formed at the upper end of the fixed plate 1. A connecting ring 14 is fixedly connected to one side of the upper end of the fixed plate 1. The connecting ring 14 connects to the steam... The evaporator 3 is fixedly connected and internally connected. An air inlet duct 16 is fixedly connected to one side of the evaporator 3. The air inlet duct 16 is connected to the condenser 5. A bracket is fixedly connected to one side of the air duct 13, and a drive motor is fixedly connected to the upper side of the bracket. A guide fan 15 is fixedly connected to the output end of the drive motor. The drive motor drives the guide fan 15 to rotate. It can cooperate with the compressor 4, evaporator 3, condenser 5 and air duct 13 to form a heating channel, which can heat the materials in the chamber 2. A grid 17 is fixedly connected to the other side of the air duct 13. The grid 17 is located inside the chamber 2.

[0020] Among them, the fixing plate 1 is located on one side of the air duct 13 and is in contact with the gasket 19. The gasket 19 is fixedly connected to the bottom side of the pressure plate 18. By setting the gasket 19, the gap between the pressure plate 18 and the air duct 13 can be sealed, thereby improving the sealing of the internal volume of the regulating chamber 2.

[0021] The fixing plate 1 has a first groove 20 on one side. Electric push rods 21 are fixedly connected to both sides of the fixing plate 1 in the first groove 20. A plug 22 is fixedly connected to the output end of the electric push rod 21. The extension and retraction of the electric push rod 21 can drive the plug 22 away from or to contact the first groove 20, thereby enabling the airflow with more moisture to be discharged in the early stage of baking the material.

[0022] Among them, a guide plate 23 is fixedly connected to one side of the chamber 2. The bottom side of the guide plate 23 contacts one side of the condenser 5. By setting the guide plate 23, the movement path length of the hot airflow can be increased, thereby improving the heating and drying effect.

[0023] The inner bottom side of the chamber 2 is fixedly connected to a protruding strip. One side of the protruding strip contacts a movable retaining strip 24. One side of the movable retaining strip 24 is fixedly connected to a protrusion 25. The other side of the movable retaining strip 24 has a retaining groove, which corresponds to the protruding strip or the protrusion 25. The protrusion 25 has the same structure as the protruding strip. By setting the movable retaining strip 24, the protruding strip, and the protrusion 25, adaptive adjustment can be provided according to the movement of the sealing plate 9, and can be achieved by disassembly. Figure 1 The movable clips 24 located at different positions on the left side of the sealing plate 9 can change the air outlet position, thereby obtaining the optimal airflow path for drying and dehumidification through experiments.

[0024] Working principle: The sealing plate 9 is manually moved according to the amount of material placed inside chamber 2. Then, the adjusting rod 11 is rotated, causing the adjusting plate 12 and pressure plate 18 to press down. The pressure plate 18 passes through the grid 17, and simultaneously, the gasket 19 contacts the air duct 13. Further, under the action of the spring, the clamping plate 26 automatically extends, further sealing the gap between adjacent pressure plates 18. Then, the compressor 4 of the heat pump unit is powered on and starts. The evaporator 3 absorbs heat from the environment, causing the low-temperature, low-pressure refrigerant to evaporate into a gaseous state. The compressor 4 then compresses the gaseous refrigerant into a high-temperature, high-pressure gas. The high-temperature, high-pressure refrigerant gas releases heat in the condenser 5, heating the air passing through the condenser 5. Then, the refrigerant is depressurized through the expansion valve, becoming a low-temperature, low-pressure liquid, and then enters the evaporator. 3. The cycle is completed. At this time, the heated air participates in the heating and drying of the material in the chamber 2. The hot air comes into contact with the material after passing through the guide plate 23, and then flows into the air duct 13 through the gap between the grid 17 and the movable clip 24. Then, under the action of the guide fan 15, the airflow returns to the evaporator 3, and then circulates through the air inlet duct 16. The water vapor is discharged through the condensate pan and pipes in the evaporator 3. In the initial stage of drying the material in the drying room, the electric push rod 21 extends and drives the plug 22 away from the first groove 20. At this time, the drive motor causes the rotating plate to open. The drive motor on the evaporator 3 drives the rotating plate to open. The industrial fan provides airflow through the air inlet duct 16 into the chamber 2, and the humid air in the chamber 2 is directly discharged from the air duct 13 and the first groove 20.

[0025] The above are merely preferred embodiments of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

[0026] All other parts of this utility model that are not described in detail belong to the prior art, and therefore will not be described in detail here.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A heat pump oven heating and dehumidification integrated device, comprising a fixed plate (1), an oven body (2), an evaporator (3), a compressor (4), and a condenser (5), wherein a door (6) is hinged on one side of the oven body (2), characterized in that, Two sliding grooves (7) are opened on both sides of the inner wall (2). A limiting rod (8) is fixedly connected in the sliding groove (7). A sealing plate (9) is sleeved on the limiting rod (8). A connecting strip (10) is fixedly connected to one side of the sealing plate (9). An adjusting rod (11) is threadedly connected to the connecting strip (10). An adjusting plate (12) is rotatably connected to the bottom end of the adjusting rod (11) through a bearing. A pressure plate (18) is evenly fixedly connected to the bottom end of the adjusting plate (12). A through hole is opened between the two opposing pressure plates (18), and a clamping plate (26) is inserted into the through hole. A spring is in contact with one side of the clamping plate (26), and the spring is in contact with the pressure plate (26) on the other side. The plate (18) has an air duct (13) at its upper end. A connecting ring (14) is fixedly connected to one side of the upper end of the fixed plate (1). The connecting ring (14) is fixedly connected to the evaporator (3) and communicates with its interior. An air inlet duct (16) is fixedly connected to one side of the evaporator (3). The air inlet duct (16) communicates with the condenser (5). A bracket is fixedly connected to one side of the air duct (13), and a drive motor is fixedly connected to the upper side of the bracket. A guide fan (15) is fixedly connected to the output end of the drive motor. A grid (17) is fixedly connected to the other side of the air duct (13). The grid (17) is located inside the room body (2).

2. The integrated heating and dehumidification device for a heat pump drying room as described in claim 1, characterized in that, The fixing plate (1) is located on one side of the air duct (13) and is in contact with a gasket (19), which is fixedly connected to the bottom side of the pressure plate (18).

3. The integrated heating and dehumidification device for a heat pump drying room as described in claim 2, characterized in that, The fixing plate (1) has a first groove (20) on one side. Electric push rods (21) are fixedly connected to both sides of the fixing plate (1) located in the first groove (20). A plug (22) is fixedly connected to the output end of the electric push rod (21).

4. The integrated heating and dehumidification device for a heat pump drying room as described in claim 1, characterized in that, A guide plate (23) is fixedly connected to one side of the housing (2), and the bottom side of the guide plate (23) is in contact with one side of the condenser (5).

5. The integrated heating and dehumidification device for a heat pump drying room as described in claim 4, characterized in that, The bottom inner side of the chamber (2) is fixedly connected with a protruding strip, one side of which contacts a movable retaining strip (24), and one side of the movable retaining strip (24) is fixedly connected with a protrusion (25), the protrusion (25) having the same structure as the protruding strip.

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