Heat pump drying dehumidifier
By introducing the reflow assembly and the material conveying assembly into the heat pump drying dehumidifier, the full contact between the material and the hot air is achieved, and the problems of low drying and dehumidification efficiency and waste of heat energy in the prior art are solved, thereby reducing the drying cost.
Patent Information
- Application Number
- CN202421265631.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-06-05
AI Technical Summary
During the drying and dehumidification process of existing heat pump dryers, the materials are not in contact with hot air, resulting in low drying and dehumidification efficiency and serious waste of heat energy resources, which increases drying costs.
A heat pump drying and dehumidifier is designed, including a drying box, a heat pump drying unit, a reflow assembly and a material conveying assembly. The overheated air is re-entered through the reflow pipe, and the dust is intercepted by the filter plate, and the material conveying is transferred through the material. The impeller and the motor-driven material conveying impeller transport the material to the outlet to ensure that the material is in full contact with the hot air.
It improves the contact efficiency between materials and hot air, reduces heat loss, reduces drying costs, and improves drying and dehumidification efficiency.
Smart Images

Figure CN222143665U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat pump drying machines, in particular to a heat pump drying and dehumidifying machine. Background Art
[0002] Heat pump dryer is a heat-raising device, mainly used in the drying and dehydration process of food, medicinal materials, wood, agricultural and sideline products, industrial products, etc. The high-temperature heat pump drying unit uses the reverse Carnot principle to absorb heat from the surrounding environment and transfer it to the heated object (object with higher temperature). Its working principle is opposite to that of the refrigerator. Both work according to the reverse Carnot cycle principle. The difference between the two is that the former increases the temperature and the latter reduces the temperature.
[0003] When the existing heat pump dryer dries and dehumidifies the materials to be processed, the materials cannot be fully exposed to the hot air, resulting in low drying and dehumidification efficiency of the materials. In addition, direct discharge of heat energy will cause waste of resources and increase the drying cost. Utility Model Content
[0004] To this end, the utility model provides a heat pump drying and dehumidifying machine to solve the problem that when the heat pump dryer dries and dehumidifies the materials to be processed, the materials cannot be fully contacted with the hot air, resulting in low material drying and dehumidification efficiency, and the direct discharge of heat energy will cause resource waste and increase the drying cost.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat pump drying dehumidifier, comprising a drying box, a heat pump drying unit is fixedly provided on one side of the drying box, two first conveying shells are fixedly provided on the other side of the drying box, a second conveying shell is fixedly provided on one side of the two first conveying shells, a centralizing shell is fixedly provided on one side of the two second conveying shells, a connecting shell is fixedly provided on one side of the centralizing shell, a collecting cylinder is fixedly provided on one side of the connecting shell, a reflux assembly is provided on the top of the collecting cylinder, and a feeding assembly is provided on the bottom of the collecting cylinder.
[0006] Preferably, the reflux assembly comprises a cover shell, the cover shell is fixedly arranged on the top of the collecting cylinder, a reflux pipe is fixedly connected to one side of the cover shell, one end of the reflux pipe extends into the interior of the drying box, and a filter plate is arranged inside the cover shell.
[0007] Preferably, the feeding assembly includes a discharge pipe, which is fixed at the bottom of the collecting barrel, a material transfer shell is fixedly provided at the bottom of the discharge pipe, a second motor is fixedly provided on one side of the material transfer shell, a transmission shaft is fixedly connected to the output end of the second motor, and a feed impeller is fixedly provided on the outer sleeve of the transmission shaft.
[0008] Preferably, a first motor is fixedly provided on the top of the cover shell, a transmission rod is fixedly connected to the output end of the first motor, the transmission rod passes through the filter plate and is connected to the filter plate through a bearing, a brush is fixedly connected to one end of the transmission rod, and the brush is in contact with the bottom of the filter plate.
[0009] Preferably, a fixing ring is provided on the outer fixing sleeve of the collecting tube, and a plurality of supporting columns are fixedly connected to the bottom of the fixing ring.
[0010] Preferably, a fixing ring is provided on the outer fixing sleeve of the collecting tube, and a plurality of supporting columns are fixedly connected to the bottom of the fixing ring.
[0011] Preferably, a material baffle is fixedly provided inside the drying box.
[0012] Preferably, a plurality of support blocks are fixedly provided on the bottom of one of the second conveying shells.
[0013] Preferably, a discharge port is provided at the bottom of the material transfer shell.
[0014] The utility model embodiment has the following advantages:
[0015] Hot air is blown out by the heat pump drying unit, and the hot air carries the material through the drying box, the first conveying shell, the second conveying shell, the central shell and the connecting shell, and then transported to the inside of the collecting cylinder. The dried and dehumidified material falls on the bottom of the collecting cylinder, and the remaining hot air rises inside the collecting cylinder and passes through the filter plate, and the dust of the material is intercepted by the filter plate to prevent the dust from re-entering the drying box. The hot air is re-input into the drying box through the reflux pipe, which reduces heat loss and reduces costs. The conveying impeller rotates to transfer the material at the top of the discharge pipe to the bottom of the transfer shell and discharges the material, thereby improving the drying and dehumidification efficiency and ensuring that the material is fully in contact with the hot air. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0018] Figure 1 The overall structural diagram provided by the utility model;
[0019] Figure 2 A sectional view of the overall structure provided by the utility model;
[0020] Figure 3 A cross-sectional view of the collecting tube provided by the utility model;
[0021] Figure 4 The utility model provides Figure 2 Enlarged view of the structure of part A in the middle.
[0022] In the figure: 1. drying box; 2. heat pump drying unit; 3. reflux pipe; 4. feed pipe; 5. first conveying shell; 6. second conveying shell; 7. central shell; 8. collecting cylinder; 9. cover shell; 10. first motor; 11. connecting shell; 12. fixing ring; 13. discharge pipe; 14. transfer shell; 15. support column; 16. support block; 17. second motor; 18. transmission shaft; 19. feed impeller; 20. transmission rod; 21. brush; 22. filter plate; 23. material baffle. DETAILED DESCRIPTION
[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0024] See attached Figure 1 -Attached Figure 4 The heat pump drying dehumidifier provided by the utility model comprises a drying box 1, a heat pump drying unit 2 is fixedly arranged on one side of the drying box 1, two first conveying shells 5 are fixedly arranged on the other side of the drying box 1, a second conveying shell 6 is fixedly arranged on one side of the two first conveying shells 5, a centralizing shell 7 is fixedly arranged on one side of the two second conveying shells 6, a connecting shell 11 is fixedly arranged on one side of the centralizing shell 7, a collecting cylinder 8 is fixedly arranged on one side of the connecting shell 11, a reflux component is arranged on the top of the collecting cylinder 8, a feeding component is arranged on the bottom of the collecting cylinder 8, a feeding pipe 4 is fixedly arranged on the top of the drying box 1, and a material baffle 23 is fixedly arranged inside the drying box 1;
[0025] In this embodiment, the material is poured into the drying box 1 through the feed pipe 4, the material is dispersed by the material baffle 23, and the hot air is blown out by the heat pump drying unit 2. The hot air carries the material to move inside the drying box 1 and enters the first conveying shell 5. The hot air carries the material through the second conveying shell 6 and enters the centralizing shell 7. The hot air carries the material through the centralizing shell 7 and enters the connecting shell 11 and is transported to the inside of the collecting cylinder 8.
[0026] Among them, in order to achieve the purpose of reflux, the present device adopts the following technical solutions: the reflux component includes a cover shell 9, the cover shell 9 is fixedly arranged on the top of the collecting cylinder 8, and a reflux pipe 3 is fixedly connected to one side of the cover shell 9, and one end of the reflux pipe 3 extends into the interior of the drying box 1. A filter plate 22 is arranged inside the cover shell 9, and the remaining hot air rises inside the collecting cylinder 8 and passes through the filter plate 22, and the material dust is intercepted by the filter plate 22 to prevent the dust from re-entering the interior of the drying box 1, and the hot air is re-input into the interior of the drying box 1 through the reflux pipe 3 for recycling, thereby reducing heat loss and reducing costs;
[0027] Among them, in order to achieve the purpose of feeding, the present device adopts the following technical solutions: the feeding component includes a discharge pipe 13, the discharge pipe 13 is fixedly arranged at the bottom of the collecting barrel 8, a material transfer shell 14 is fixedly arranged at the bottom of the discharge pipe 13, a second motor 17 is fixedly arranged on one side of the material transfer shell 14, a transmission shaft 18 is fixedly connected to the output end of the second motor 17, a feeding impeller 19 is fixedly sleeved on the outside of the transmission shaft 18, a discharge port is arranged at the bottom of the material transfer shell 14, the second motor 17 is started and drives the transmission shaft 18 to rotate, the transmission shaft 18 controls the feeding impeller 19 to rotate, and the feeding impeller 19 transfers the material at the top of the discharge pipe 13 to the discharge port at the bottom of the material transfer shell 14 and discharges the material;
[0028] Among them, in order to achieve the purpose of cleaning, the present device adopts the following technical solutions: a first motor 10 is fixedly provided on the top of the cover shell 9, a transmission rod 20 is fixedly connected to the output end of the first motor 10, the transmission rod 20 penetrates the filter plate 22 and is connected to the filter plate 22 through a bearing, a brush 21 is fixedly connected to one end of the transmission rod 20, the brush 21 contacts the bottom of the filter plate 22, the first motor 10 is started, the first motor 10 drives the transmission rod 20 to rotate, the transmission rod 20 drives the brush 21 to rotate, the brush 21 cleans the bottom of the filter plate 22 to prevent the dust of the material from blocking the filter plate 22;
[0029] Among them, in order to achieve the purpose of support, the present device is implemented by adopting the following technical solution: the outer sleeve of the collecting cylinder 8 is fixedly provided with a fixing ring 12, and a plurality of support columns 15 are fixedly connected to the bottom of the fixing ring 12, and a plurality of support blocks 16 are fixedly provided at the bottom of one of the second conveying shells 6, and the collecting cylinder 8 is supported by the support columns 15 and the fixing ring 12, and the second conveying shell 6 is supported by the support blocks 16.
[0030] The use process of the utility model is as follows: when using the utility model, the material is poured into the drying box 1 through the feed pipe 4, the material is dispersed by the material baffle 23, and the hot air is blown out through the heat pump drying unit 2. The hot air carries the material to move inside the drying box 1 and enters the first conveying shell 5. The hot air carries the material through the second conveying shell 6 and enters the concentration shell 7. The hot air carries the material through the concentration shell 7 and enters the connecting shell 11 and is transported to the inside of the collecting cylinder 8. The dried and dehumidified material falls to the bottom of the collecting cylinder 8. The remaining hot air rises inside the collecting cylinder 8 and passes through the filter plate 22. The material is powdered by the filter plate 22. Dust interception prevents dust from re-entering the drying box 1, and hot air is re-input into the drying box 1 through the reflux pipe 3, so as to reduce heat loss and reduce costs. At the same time, the first motor 10 is started, and the first motor 10 drives the transmission rod 20 to rotate, and the transmission rod 20 drives the brush 21 to rotate, and the brush 21 cleans the bottom of the filter plate 22 to prevent the dust of the material from blocking the filter plate 22. At the same time, the second motor 17 at the bottom is started and drives the transmission shaft 18 to rotate, and the transmission shaft 18 controls the feed impeller 19 to rotate, and the feed impeller 19 transfers the material at the top of the discharge pipe 13 to the bottom of the transfer shell 14 and discharges the material.
[0031] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A heat pump drying dehumidifier, comprising a drying box (1), Features: A heat pump drying unit (2) is fixedly provided on one side of the drying box (1), and two first conveying shells (5) are fixedly provided on the other side of the drying box (1), and a second conveying shell (6) is fixedly provided on one side of the two first conveying shells (5), and a centralizing shell (7) is fixedly provided on one side of the two second conveying shells (6), and a connecting shell (11) is fixedly provided on one side of the centralizing shell (7), and a collecting cylinder (8) is fixedly provided on one side of the connecting shell (11), and a reflux component is provided on the top of the collecting cylinder (8), and a feeding component is provided on the bottom of the collecting cylinder (8).
2. The heat pump drying dehumidifier according to claim 1, Features: The reflux assembly comprises a cover shell (9), wherein the cover shell (9) is fixedly arranged on the top of the collecting cylinder (8), a reflux pipe (3) is fixedly connected to one side of the cover shell (9), one end of the reflux pipe (3) extends into the interior of the drying box (1), and a filter plate (22) is arranged inside the cover shell (9).
3. The heat pump drying dehumidifier according to claim 1, Features: The material conveying assembly comprises a discharge pipe (13), the discharge pipe (13) is fixedly arranged at the bottom of the collecting barrel (8), a material transfer shell (14) is fixedly arranged at the bottom of the discharge pipe (13), a second motor (17) is fixedly arranged on one side of the material transfer shell (14), an output end of the second motor (17) is fixedly connected to a transmission shaft (18), and a material conveying impeller (19) is fixedly sleeved on the outside of the transmission shaft (18).
4. The heat pump drying dehumidifier according to claim 2, Features: A first motor (10) is fixedly provided on the top of the cover shell (9); a transmission rod (20) is fixedly connected to the output end of the first motor (10); the transmission rod (20) passes through the filter plate (22) and is connected to the filter plate (22) via a bearing; a brush (21) is fixedly connected to one end of the transmission rod (20); the brush (21) is in contact with the bottom of the filter plate (22).
5. The heat pump drying dehumidifier according to claim 1, Features: The collecting cylinder (8) is provided with a fixing ring (12) on its exterior, and a plurality of supporting columns (15) are fixedly connected to the bottom of the fixing ring (12).
6. The heat pump drying dehumidifier according to claim 1, Features: A feeding pipe (4) is fixedly provided on the top of the drying box (1).
7. The heat pump drying dehumidifier according to claim 1, Features: A material baffle (23) is fixedly provided inside the drying box (1).
8. The heat pump drying dehumidifier according to claim 1, Features: A plurality of support blocks (16) are fixedly provided on the bottom of one of the second conveying shells (6).
9. The heat pump drying dehumidifier according to claim 3, Features: The bottom of the material transfer shell (14) is provided with a material discharge port.
