Hot air circulating oven

Abstract

The utility model relates to the technical field of oven, concretely is a hot -blast circulation oven. Including the box, the lateral wall of box is provided with the cabinet door, and the top of box is provided with the air inlet and the moisture discharge port, and the top of moisture discharge port is provided with the moisture exhaust fan, and the inner chamber of box is provided with the circulation fan opposite with air inlet, and the inside of box is provided with the drying room, and the drying room forms the first air duct, the second air duct and the third air duct with the box, and the left side board and the right side board of drying room all are provided with the air vent, and the second air duct is provided with the heating device, and the air vent is provided with the regulation air baffle that is spaced apart up and down, and the drying room is provided with the adjustment structure that adjusts the interval of two adjacent regulation air baffles, and the outer wall of box is provided with the control panel. The utility model, through setting up and down interval regulation air baffle at the air vent of drying room lateral wall, and being equipped with adjustment structure, can flexibly adjust the interval of adjacent air baffle, realizes the accurate control to the different height hot -blast distribution amount in drying room.

Description

Technical Field

[0001] This utility model relates to the field of oven technology, specifically a hot air circulating oven. Background Technology

[0002] Hot air circulating ovens are used for heating, curing, drying and dehydrating materials in industries such as pharmaceuticals, chemicals, food, agricultural and sideline products, aquatic products, and light industry. In pharmaceutical preparation, hot air circulating ovens are generally used to heat and dry the pharmaceutical ingredients in order to ensure the dryness of the ingredients, thereby facilitating further preparation of the medicine.

[0003] Utility model patent CN204115446U discloses a hot air circulating drying oven, including a box body and a heater. The box body is provided with an air inlet, and the heater is located in the inner cavity of the box body. A material holding chamber is provided in the lower part of the inner cavity of the box body. The top of the material holding chamber is open, and a hot air circulating chamber is formed between the material holding chamber and the box body. A circulating fan and a dehumidifying fan are provided in the hot air circulating chamber. A control box is provided outside the box body. A humidity sensor and a temperature sensor are provided on the side wall of the box body. The heater, the circulating fan, and the dehumidifying fan are respectively connected to the output port of the control box, and the humidity sensor and the temperature sensor are respectively connected to the input port of the control box.

[0004] Although the aforementioned patent can dry the material in the holding chamber, the hot air entering the holding chamber is evenly distributed and the vertical distribution of the circulating air entering the holding chamber cannot be adjusted. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a hot air circulating oven for realizing the distribution of circulating air in the drying room.

[0006] The technical solution adopted by this utility model to solve its technical problem is a hot air circulating drying oven, including a box body, a box door provided on the side wall of the box body, an air inlet and a dehumidification outlet provided on the top of the box body, a dehumidification fan provided on the top of the dehumidification outlet, a circulating fan provided in the inner cavity of the box body opposite to the air inlet, a drying chamber provided inside the box body, the opening of the drying chamber opposite to the box door, the top plate of the drying chamber and the top plate of the box body forming a first air duct, the outlet of the circulating fan opposite to the first air duct, the left side plate of the drying chamber and the left side plate of the box body forming a second air duct, the right side plate of the drying chamber and the right side plate of the box body forming a third air duct, ventilation openings provided on both the left and right sides of the drying chamber, a heating device provided in the second air duct, adjustable air plates provided vertically at intervals at the ventilation openings, an adjustment structure provided on the drying chamber for adjusting the distance between two adjacent adjustable air plates, a control panel provided on the outer wall of the box body, and the dehumidification fan, the circulating fan and the heating device all electrically connected to the control panel.

[0007] Furthermore, the adjustment structure includes elongated holes vertically arranged at both ends of the adjustment air plate, and threaded holes that cooperate with the elongated holes are provided on both the left and right sides of the drying chamber, with adjustment bolts installed in the threaded holes.

[0008] Furthermore, the adjustment structure includes electric push rods disposed at both ends of the adjustment air plate. The fixed end of the electric push rod is fixedly connected to the drying chamber, and the output end is arranged vertically and fixedly connected to the adjustment air plate.

[0009] Furthermore, the drying chamber is provided with a first guide member, and the adjusting air plate is provided with a second guide member that works in conjunction with the first guide member.

[0010] Furthermore, a connecting plate is hinged to the opening of the drying chamber, and a ramp plate is hinged to the end of the connecting plate.

[0011] Furthermore, an ozone generator is installed inside the enclosure.

[0012] Furthermore, the drying chamber is equipped with multiple temperature sensors, which are electrically connected to the control panel.

[0013] Furthermore, an electric valve is installed between the exhaust port and the exhaust fan, and the electric valve is electrically connected to the control panel.

[0014] Furthermore, a filter is installed at the air inlet.

[0015] The beneficial effects of this invention are as follows: By installing adjustable air vanes spaced vertically at the ventilation openings on the side walls of the drying oven, and equipping them with an adjustment structure, the spacing between adjacent air vanes can be flexibly adjusted, achieving precise control over the distribution of hot air at different heights within the drying oven, thus solving the problem of uneven hot air distribution in traditional drying ovens. A circulating fan transports hot air from the first air duct to the second air duct, where it is heated by the heating device and then evenly distributed into the drying oven through the left and right side ventilation openings, forming a closed-loop circulation system that reduces heat loss and improves drying efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 yes Figure 1 Top view;

[0018] Figure 3 yes Figure 1 Internal structure diagram;

[0019] Figure 4 This is a schematic diagram of the first embodiment of the adjustment structure;

[0020] Figure 5 This is a schematic diagram of the second embodiment of the adjustment structure;

[0021] Figure 6 This is a schematic diagram showing the connection between the connecting plate and the housing.

[0022] Attached reference numerals: 1-Box body; 2-Box door; 3-Air inlet; 4-Exhaust outlet; 5-Exhaust fan; 6-Circulating fan; 7-Drying room; 8-First air duct; 9-Second air duct; 10-Third air duct; 11-Ventilation opening; 12-Heating device; 13-Adjusting air vane; 14-Control panel; 15-Elongated hole; 16-Adjusting bolt; 17-Electric push rod; 18-First guide component; 19-Connecting plate; 20-Slope plate; 21-Ozone generator; 22-Temperature sensor; 23-Electric valve; 24-Filter. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] like Figures 1-3 As shown, this utility model hot air circulating drying oven includes a box body 1, a door 2 on the side wall of the box body 1, an air inlet 3 and a dehumidification outlet 4 on the top of the box body 1, a dehumidification fan 5 on the top of the dehumidification outlet 4, a circulating fan 6 opposite to the air inlet 3 in the inner cavity of the box body 1, a drying chamber 7 inside the box body 1, the opening of the drying chamber 7 opposite to the door 2, the top plate of the drying chamber 7 and the top plate of the box body 1 forming a first air duct 8, the outlet of the circulating fan 6 opposite to the first air duct 8, and the left side plate of the drying chamber 7 and the box body 1 forming a first air duct 8. The left side panel of the oven 7 forms a second air duct 9, and the right side panel of the oven 7 and the right side panel of the box 1 form a third air duct 10. Ventilation openings 11 are provided on both the left and right side panels of the oven 7. A heating device 12 is provided in the second air duct 9. Adjustable air plates 13 are provided at intervals above and below the ventilation openings 11. An adjustment structure for adjusting the distance between two adjacent adjustable air plates 13 is provided on the oven 7. A control panel 14 is provided on the outer wall of the box 1. The dehumidifying fan 5, the circulating fan 6 and the heating device 12 are all electrically connected to the control panel 14.

[0025] The unit 1 is a rectangular shell with an openable and closable door 2 installed on its front side wall. The drying chamber 7 is located inside the chamber 1, forming a closed space with the following six sides: the top plate of the drying chamber 7 is parallel to the top plate of the chamber 1, forming a first air duct 8; the left and right side plates of the drying chamber 7 are parallel to the left and right side plates of the chamber 1, forming a second air duct 9 and a third air duct 10; the front and rear side plates of the drying chamber 7 utilize the inner walls of the front and rear side plates of the chamber 1; the bottom plate of the drying chamber 7 is fixedly connected to the bottom plate of the chamber 1. The opening of the drying chamber 7 is located on the front side plate, directly opposite the door 2 for loading and unloading drying carts. The air inlet 3 and the exhaust outlet 4 are both rectangular openings located on the top of the chamber 1, connecting the external environment to the interior of the chamber 1, respectively. The exhaust fan 5 is directly connected to the top of the exhaust outlet 4, forcibly expelling moisture. The circulating fan 6 is located inside the air inlet 3, with its outlet directly opposite the first air duct 8. Heating device 12 is fixed inside the second air duct 9 to heat the air flowing through it. Ventilation openings 11 are rectangular openings located on the left and right side panels of the drying chamber 7, connecting the second air duct 9, the third air duct 10, and the inner cavity of the drying chamber 7. Circulating fan 6 delivers air from the first air duct 8 to the second air duct 9, which, after being heated by heating device 12, is evenly distributed into the drying chamber 7 through the left and right ventilation openings 11. Adjustable air deflectors 13, consisting of multiple sets of metal plates spaced vertically at the ventilation openings 11, control the airflow at different heights by adjusting the spacing between adjacent deflectors 13. Control panel 14 is integrated into the outer wall of the housing 1, electrically connecting to and controlling the start / stop and power of the circulating fan 6 and heating device 12; the linkage between the dehumidifying fan 5 and the electric valve 23 automatically opens and closes based on data from temperature sensor 22.

[0026] Example 1 of the adjustment structure, see Figure 4 The adjustment structure includes elongated holes 15 vertically arranged at both ends of the adjusting air plate 13. Both the left and right sides of the drying chamber 7 are provided with threaded holes that mate with the elongated holes 15, and adjusting bolts 16 are installed in the threaded holes. The adjusting air plate 13 has vertical elongated holes 15 at both ends, and the side panels of the drying chamber 7 have corresponding threaded holes. Tightening the adjusting bolts 16 through the elongated holes 15 locks the air plate 13 in place, thus fixing its height and adjusting its spacing.

[0027] Example 2 of the adjustment structure, see Figure 5The adjustment structure includes electric push rods 17 disposed at both ends of the adjusting air plate 13. The fixed end of the electric push rod 17 is fixedly connected to the drying chamber 7, and the output end is vertically arranged and fixedly connected to the adjusting air plate 13. The fixed end of the electric push rod 17 is connected to the side wall of the drying chamber 7, and the output end is vertically connected to the adjusting air plate 13, thereby realizing the up and down adjustment of the adjusting air plate 13. The drying chamber 7 is provided with a first guide member 18, and the adjusting air plate 13 is provided with a second guide member that cooperates with the first guide member 18. The first guide member 18 can be a dovetail groove, and the second guide member can be a dovetail block that works with the dovetail groove; or the first guide member 18 can be a dovetail block, and the second guide member can be a dovetail groove that works with the dovetail block; here, both the dovetail groove and the dovetail block need to be set vertically, so that the dovetail block can slide up and down in the dovetail groove; the first guide member 18 can be a slide groove, and the second guide member can be a slider that works with the slide groove; or the first guide member 18 can be a slider, and the second guide member can be a slide groove that works with the slider; here, both the slide groove and the slider need to be set vertically, so that the slider can slide up and down in the slide groove.

[0028] To facilitate the entry of the drying cart into drying room 7, further details are provided. Figure 3 and Figure 6 The opening of the drying chamber 7 is hinged with a connecting plate 19, and the end of the connecting plate 19 is hinged with a ramp plate 20. When loading and unloading the drying cart, the ramp is unfolded and formed, and the box door 2 is closed and then folded for storage.

[0029] To further disinfect the interior of container 1, see [link to further instructions]. Figure 1 An ozone generator 21 is installed inside the housing 1.

[0030] Further, see Figure 3 The drying chamber 7 is equipped with multiple temperature sensors 22, which are electrically connected to the control panel 14. These temperature sensors 22 are distributed along the inner wall of the chamber 1, monitoring data in real time and transmitting the data to the control panel 14. This data allows for the control and adjustment of the heating device 12, the dehumidifying fan 5, and the circulating fan 6.

[0031] Further, see Figure 1 and Figure 3 An electric valve 23 is installed between the exhaust port 4 and the exhaust fan 5, and the electric valve 23 is electrically connected to the control panel 14. The electric valve 23 is located between the exhaust port 4 and the exhaust fan 5 to control the opening and closing of the exhaust channel.

[0032] See Figures 1-3 Furthermore, a filter 24 is provided at the air inlet 3. The filter 24 covers the outside of the air inlet 3 and filters impurities in the air.

[0033] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A hot air circulating oven, comprising a box body (1), wherein a box door (2) is provided on the side wall of the box body (1), an air inlet (3) and a dehumidification outlet (4) are provided on the top of the box body (1), a dehumidification fan (5) is provided on the top of the dehumidification outlet (4), and a circulating fan (6) is provided in the inner cavity of the box body (1) opposite to the air inlet (3), characterized in that: The box (1) is equipped with a drying chamber (7). The opening of the drying chamber (7) is opposite to the box door (2). The top plate of the drying chamber (7) and the top plate of the box (1) form a first air duct (8). The outlet of the circulating fan (6) is opposite to the first air duct (8). The left side plate of the drying chamber (7) and the left side plate of the box (1) form a second air duct (9). The right side plate of the drying chamber (7) and the right side plate of the box (1) form a third air duct (10). The left side of the drying chamber (7) Ventilation openings (11) are provided on both the plate and the right side plate. A heating device (12) is provided in the second air duct (9). Adjustable air plates (13) are provided at intervals above and below the ventilation openings (11). An adjustment structure for adjusting the distance between two adjacent adjustable air plates (13) is provided on the drying chamber (7). A control panel (14) is provided on the outer wall of the box (1). The dehumidifying fan (5), the circulating fan (6) and the heating device (12) are all electrically connected to the control panel (14).

2. The hot air circulating oven as described in claim 1, characterized in that: The adjustment structure includes elongated holes (15) vertically arranged at both ends of the adjustment air plate (13). The left side plate and the right side plate of the drying chamber (7) are provided with threaded holes that cooperate with the elongated holes (15). Adjustment bolts (16) are provided in the threaded holes.

3. The hot air circulating oven as described in claim 1, characterized in that: The adjustment structure includes electric push rods (17) set at both ends of the adjustment air plate (13). The fixed end of the electric push rod (17) is fixedly connected to the drying room (7), and the output end is arranged vertically and fixedly connected to the adjustment air plate (13).

4. The hot air circulating oven as described in claim 3, characterized in that: The drying chamber (7) is provided with a first guide (18), and the regulating air plate (13) is provided with a second guide that works in conjunction with the first guide (18).

5. The hot air circulating oven as described in claim 1, characterized in that: The opening of the drying room (7) is hinged with a connecting plate (19), and the end of the connecting plate (19) is hinged with a ramp plate (20).

6. The hot air circulating oven as described in claim 1, characterized in that: An ozone generator (21) is installed inside the housing (1).

7. The hot air circulating oven as described in claim 1, characterized in that: The drying room (7) is equipped with multiple temperature sensors (22), which are electrically connected to the control panel (14).

8. The hot air circulating oven as described in claim 1, characterized in that: An electric valve (23) is provided between the exhaust port (4) and the exhaust fan (5), and the electric valve (23) is electrically connected to the control panel (14).

9. The hot air circulating oven as described in claim 1, characterized in that: A filter (24) is provided at the air inlet (3).

Images