Hot air circulation drying device
By using a hot air circulation drying device and a rotating grid plate design, the problems of low hot air utilization and uneven heating are solved, achieving a highly efficient vegetable drying process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WANYUAN TAIYI BEE IND CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-06-26
AI Technical Summary
Existing hot air drying equipment has insufficient hot air utilization and inadequate hot air circulation during the vegetable drying process, resulting in significant heat loss and uneven heating of vegetables.
A hot air circulation drying device was designed, which forms a circulating hot air system through a hot air blower and a return air pipe, and combined with a motor to drive the grid plate to rotate, ensuring that the hot air is evenly distributed on the surface of the vegetables.
It improves the utilization rate of hot air, reduces heat loss, and achieves uniform heating of vegetables.
Smart Images
Figure CN224415600U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vegetable drying technology, and in particular to a hot air circulating drying device. Background Technology
[0002] Vegetable dehydration and drying is an essential step in vegetable processing. High-temperature heating and drying is a commonly used method. Its principle is to use high temperature to evaporate the moisture in vegetables, thereby achieving the drying effect.
[0003] Hot air drying is a type of high-temperature heating and drying. Currently, when drying vegetables with hot air, heat sources such as hot water heaters are generally used. However, the utilization rate of the drying hot air is relatively insufficient during the hot air drying process, and it is inconvenient to circulate the hot air to reduce heat loss. In addition, the heating uniformity of the vegetables is poor. Therefore, it is necessary to provide a hot air circulation drying device with uniform heating to solve the above technical problems. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a hot air circulation drying device with uniform heating.
[0005] The hot air circulating drying device provided by this utility model includes a processing box, a sealing door on one side of the processing box, a drying mechanism in the inner cavity of the processing box, a driving mechanism at the bottom of the processing box, a connecting seat at the top of the driving mechanism, a connecting mechanism at the top of the connecting seat, a placement mechanism on the outside of the connecting mechanism, an exhaust mechanism at the top of the processing box, and a solenoid valve on the outside of the exhaust mechanism.
[0006] Preferably, the drying mechanism of the hot air circulating drying device provided by this utility model includes a hot air blower, which is disposed on the rear surface of the processing box. The outlet of the hot air blower is connected to an outlet pipe, one end of the outlet pipe is connected to a first connecting pipe, the bottom of the first connecting pipe is connected to a drying pipe, the bottom of the drying pipe is fixedly connected to a second connecting pipe, one side of the second connecting pipe is connected to a return pipe, and one end of the return pipe is connected to the inlet of the hot air blower.
[0007] Preferably, in the hot air circulating drying device provided by this utility model, the driving mechanism includes a motor, the motor is installed at the bottom of the processing box, the output end of the motor is fixedly connected to a support plate, the bottom of the support plate is fixedly connected to a support rod, and the bottom of the connecting seat is fixedly connected to the top of the support plate.
[0008] As a hot air circulating drying device provided by this utility model, preferably, the connecting mechanism includes a connecting column, the connecting column is located at the top of the connecting seat, a connecting block is fixedly connected to the bottom of the connecting column, a connecting groove is opened at the top of both the connecting column and the connecting seat, the outer side of the connecting block is slidably connected to the inner wall of the connecting groove, a spring is provided in the inner cavity of the connecting block, and a locking block is welded to both ends of the spring.
[0009] As a hot air circulating drying device provided by this utility model, preferably, the connecting mechanism further includes a stabilizing rod, the bottom of the connecting column is fixedly connected to the stabilizing rod, the top of the connecting column and the connecting seat are both provided with stabilizing grooves, and the outer side of the stabilizing rod is slidably connected to the inner wall of the stabilizing groove.
[0010] As a hot air circulating drying device provided by this utility model, preferably, the placement mechanism includes a connecting sleeve sleeved on the outside of the connecting column, a grid plate fixedly connected to the outside of the connecting sleeve, and a connecting bolt provided in the inner cavity of the connecting sleeve.
[0011] As a hot air circulating drying device provided by this utility model, preferably, the exhaust mechanism includes a humidity sensor, the top of the processing box is connected to an exhaust pipe, and the inner cavity of the exhaust pipe is equipped with an exhaust fan.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This hot air circulation drying device uses a hot air blower to input hot air into the drying pipe, and then discharges it through an air outlet on one side of the drying pipe to dry the vegetables on top of the grid plate. The air in the processing chamber enters the return air pipe through the air inlet on one side of the second connecting pipe, and then re-enters the hot air blower. After being reheated by the hot air blower, it enters the drying pipe, thus forming a hot air circulation and reducing heat loss. While the hot air blower is working, the motor drives the connecting column to rotate, which in turn drives the grid plate to rotate, so that the vegetables on top of the grid plate are heated evenly. This solves the problems of relatively insufficient utilization of hot air during the hot air drying process in current devices, inconvenience in hot air circulation to reduce heat loss, and poor uniform heating of vegetables. Attached Figure Description
[0014] Figure 1 A schematic diagram of a preferred embodiment of the hot air circulating drying device provided by this utility model;
[0015] Figure 2 This is a partial structural cross-sectional view of the present invention;
[0016] Figure 3 This is a schematic diagram of the connection structure of the connecting column of this utility model;
[0017] Figure 4 This is a cross-sectional view of the connecting column of this utility model;
[0018] Figure 5 This is a schematic diagram of the drying mechanism of this utility model;
[0019] Figure 6 This is an enlarged structural diagram of part A of this utility model.
[0020] The diagram is labeled as follows: 1. Processing box; 2. Sealed door; 3. Drying mechanism; 301. Hot air blower; 302. Air outlet pipe; 303. First connecting pipe; 304. Drying pipe; 305. Second connecting pipe; 306. Air return pipe; 4. Drive mechanism; 401. Motor; 402. Support plate; 403. Support rod; 5. Connecting seat; 6. Connecting mechanism; 601. Connecting column; 602. Connecting block; 603. Connecting groove; 604. Spring; 605. Locking block; 606. Stabilizing rod; 607. Stabilizing groove; 7. Placement mechanism; 701. Connecting sleeve; 702. Mesh plate; 703. Connecting bolt; 8. Exhaust mechanism; 801. Humidity sensor; 802. Exhaust pipe; 803. Exhaust fan; 9. Solenoid valve. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 ,in Figure 1 A schematic diagram of a preferred embodiment of the hot air circulating drying device provided by this utility model; Figure 2 This is a partial structural cross-sectional view of the present invention; Figure 3 This is a schematic diagram of the connection structure of the connecting column of this utility model; Figure 4 This is a cross-sectional view of the connecting column of this utility model; Figure 5 This is a schematic diagram of the drying mechanism of this utility model; Figure 6 This is an enlarged structural diagram of section A of the present invention. The hot air circulating drying device includes a processing box 1, a sealing door 2 on one side of the processing box 1, a drying mechanism 3 inside the processing box 1, a driving mechanism 4 at the bottom of the processing box 1, a connecting seat 5 at the top of the driving mechanism 4, a connecting mechanism 6 at the top of the connecting seat 5, a placement mechanism 7 on the outside of the connecting mechanism 6, an exhaust mechanism 8 at the top of the processing box 1, and a solenoid valve 9 on the outside of the exhaust mechanism 8.
[0023] In this embodiment, the sealing door 2 and the processing box 1 are rotatably connected by a hinge, and a sealing gasket is provided on the connection side of the sealing door 2 and the processing box 1 to improve the sealing performance of the sealing door 2.
[0024] As a technical optimization of this utility model, the drying mechanism 3 includes a hot air blower 301, which is disposed on the rear surface of the processing box 1. The outlet of the hot air blower 301 is connected to an outlet pipe 302. One end of the outlet pipe 302 is connected to a first connecting pipe 303. The bottom of the first connecting pipe 303 is connected to a drying pipe 304. The bottom of the drying pipe 304 is fixedly connected to a second connecting pipe 305. One side of the second connecting pipe 305 is connected to a return pipe 306. One end of the return pipe 306 is connected to the inlet of the hot air blower 301.
[0025] In this embodiment: both the exhaust pipe 302 and the return pipe 306 penetrate the rear surface of the processing box 1 and are then embedded in the rear surface of the processing box 1. Hot air is input into the drying pipe 304 by the operation of the hot air blower 301, and then discharged through the air outlet on one side of the drying pipe 304 to dry the vegetables on the top of the grid plate 702. The air in the processing box 1 enters the return pipe 306 through the air inlet on one side of the second connecting pipe 305, and then re-enters the hot air blower 301. After being reheated by the hot air blower 301, it enters the drying pipe 304, thereby forming a hot air circulation and reducing heat loss. The bottom of the drying pipe 304 is not connected to the top of the second connecting pipe 305.
[0026] As a technical optimization of this utility model, the drive mechanism 4 includes a motor 401, which is installed at the bottom of the processing box 1. The output end of the motor 401 is fixedly connected to a support plate 402, and the bottom of the support plate 402 is fixedly connected to a support rod 403. The bottom of the connecting seat 5 is fixedly connected to the top of the support plate 402.
[0027] In this embodiment: A PWM speed controller is provided on one side of the processing box 1. The electrical input terminal of the motor 401 is connected to the electrical output terminal of the PWM speed controller. The user can control the speed of the motor 401 through the PWM speed controller, thereby facilitating the control of the speed of the mesh plate 702. A caster wheel is provided at the bottom of the support rod 403. The caster wheel is rotatably connected to the bottom of the inner cavity of the processing box 1. During the process of the motor 401 driving the support plate 402 to rotate, the support rod 403 will also rotate with the support plate 402, thereby improving the stability of the support plate 402 when rotating.
[0028] As a technical optimization of this utility model, the connecting mechanism 6 includes a connecting post 601, which is located at the top of the connecting seat 5. A connecting block 602 is fixedly connected to the bottom of the connecting post 601. Both the top of the connecting post 601 and the connecting seat 5 are provided with connecting grooves 603. The outer side of the connecting block 602 is slidably connected to the inner wall of the connecting groove 603. A spring 604 is provided in the inner cavity of the connecting block 602. Both ends of the spring 604 are welded with locking blocks 605.
[0029] In this embodiment: After drying is complete, the user can open the sealing door 2 and press the locking block 605 to dislodge the locking block 605 from the locking hole at the connecting post 601 and move it into the connecting block 602. Then the user can move the connecting post 601 upward to move the grid plate 702 on the outside of the connecting post 601 out of the processing box 1, which is convenient for collecting vegetables.
[0030] As a technical optimization of this utility model, the connecting mechanism 6 also includes a stabilizing rod 606. The bottom of the connecting column 601 is fixedly connected to the stabilizing rod 606. The top of the connecting column 601 and the connecting seat 5 are both provided with stabilizing grooves 607. The outer side of the stabilizing rod 606 is slidably connected to the inner wall of the stabilizing groove 607.
[0031] In this embodiment, the stability when the two connecting posts 601 are engaged is improved by setting the stabilizing rod 606 and the stabilizing groove 607.
[0032] The placement mechanism 7 includes a connecting sleeve 701 sleeved on the outside of the connecting post 601, a grid plate 702 fixedly connected to the outside of the connecting sleeve 701, and a connecting bolt 703 provided in the inner cavity of the connecting sleeve 701.
[0033] In this embodiment, the inner cavity of the connecting post 601 is provided with a through hole for the connecting bolt 703 to observe. When the grid plate 702 is damaged and needs to be replaced, the user can unscrew the nut on the outside of the connecting bolt 703 and then pull the connecting bolt 703 out of the connecting sleeve 701, thereby releasing the fixing between the connecting sleeve 701 and the connecting post 601, making it convenient for the user to disassemble and replace the grid plate 702.
[0034] As a technical optimization of this utility model, the exhaust mechanism 8 includes a humidity sensor 801, and the top of the processing box 1 is connected to an exhaust pipe 802, and the inner cavity of the exhaust pipe 802 is equipped with an exhaust fan 803.
[0035] In this embodiment: the humidity sensor 801 can detect the moisture content inside the processing box 1. When a lot of water vapor is generated during the drying process, the humidity sensor 801 will open the solenoid valve 9 and then the exhaust fan 803 will discharge the water vapor in the processing box 1 in time. When the water vapor decreases, the solenoid valve 9 will be closed to reduce heat loss and facilitate drying. A protective net is provided on the top of the exhaust pipe 802.
[0036] The working principle of the hot air circulating drying device provided by this utility model is as follows:
[0037] When using this device, the user can place the vegetables to be dried on top of the multiple grid plates 702, then close the sealing door 2. Hot air is then introduced into the drying pipe 304 by the hot air blower 301 and discharged through the air outlet on one side of the drying pipe 304 to dry the vegetables on top of the grid plates 702. Air inside the processing chamber 1 enters the return air pipe 306 through the air intake on one side of the second connecting pipe 305, then re-enters the hot air blower 301. After being reheated by the hot air blower 301, it enters the drying pipe 304, thus forming a hot air circulation. To reduce heat loss, while the hot air blower 301 is working, the motor 401 drives the connecting column 601 to rotate, which in turn drives the grid plate 702 to rotate, so that the vegetables on the top of the grid plate 702 are heated evenly. After drying, the user can open the sealing door 2 and then press the locking block 605 to make the locking block 605 disengage from the locking hole at the connecting column 601 and move into the connecting block 602. Then the user can move the connecting column 601 upward to remove the grid plate 702 on the outside of the connecting column 601 from the processing box 1, making it easier to collect the vegetables.
[0038] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A hot air circulating drying device, characterized in that, The device includes a processing box (1), a sealing door (2) on one side of the processing box (1), a drying mechanism (3) in the inner cavity of the processing box (1), a driving mechanism (4) at the bottom of the processing box (1), a connecting seat (5) at the top of the driving mechanism (4), a connecting mechanism (6) at the top of the connecting seat (5), a placement mechanism (7) on the outside of the connecting mechanism (6), an exhaust mechanism (8) at the top of the processing box (1), and a solenoid valve (9) on the outside of the exhaust mechanism (8).
2. The hot air circulating drying device according to claim 1, characterized in that, The drying mechanism (3) includes a hot air blower (301), which is disposed on the rear surface of the processing box (1). The outlet of the hot air blower (301) is connected to an outlet pipe (302). One end of the outlet pipe (302) is connected to a first connecting pipe (303). The bottom of the first connecting pipe (303) is connected to a drying pipe (304). The bottom of the drying pipe (304) is fixedly connected to a second connecting pipe (305). One side of the second connecting pipe (305) is connected to a return air pipe (306). One end of the return air pipe (306) is connected to the inlet of the hot air blower (301).
3. The hot air circulating drying device according to claim 1, characterized in that, The drive mechanism (4) includes a motor (401), which is installed at the bottom of the processing box (1). The output end of the motor (401) is fixedly connected to a support plate (402), and the bottom of the support plate (402) is fixedly connected to a support rod (403). The bottom of the connecting seat (5) is fixedly connected to the top of the support plate (402).
4. The hot air circulating drying device according to claim 1, characterized in that, The connecting mechanism (6) includes a connecting column (601), which is located at the top of the connecting seat (5). A connecting block (602) is fixedly connected to the bottom of the connecting column (601). A connecting groove (603) is provided at the top of both the connecting column (601) and the connecting seat (5). The outer side of the connecting block (602) is slidably connected to the inner wall of the connecting groove (603). A spring (604) is provided in the inner cavity of the connecting block (602). A locking block (605) is welded to both ends of the spring (604).
5. The hot air circulating drying device according to claim 4, characterized in that, The connecting mechanism (6) further includes a stabilizing rod (606). The bottom of the connecting column (601) is fixedly connected to the stabilizing rod (606). The top of the connecting column (601) and the connecting seat (5) are both provided with stabilizing grooves (607). The outer side of the stabilizing rod (606) is slidably connected to the inner wall of the stabilizing groove (607).
6. The hot air circulating drying device according to claim 4, characterized in that, The placement mechanism (7) includes a connecting sleeve (701) sleeved on the outside of the connecting post (601), a grid plate (702) fixedly connected to the outside of the connecting sleeve (701), and a connecting bolt (703) provided in the inner cavity of the connecting sleeve (701).
7. The hot air circulating drying device according to claim 1, characterized in that, The exhaust mechanism (8) includes a humidity sensor (801), and the top of the processing box (1) is connected to an exhaust pipe (802), and an exhaust fan (803) is installed in the inner cavity of the exhaust pipe (802).