CN205233441U - Stoving oven - Google Patents

Abstract

The utility model discloses a drying oven, which solves the problem that the circulating wind speed of the existing drying oven cannot be adjusted, which is not conducive to the control of the baking process. The technical solution adopted is: the drying oven, including the box body, the box body is divided into a baking area and a functional area by a partition, and the baking area and the functional area are connected through the air supply port and the return air port arranged on the partition plate. And form a circulating air duct, install a heating device and a blast circulation device in the functional area, set a windshield in the circulating air duct, adjust the size of the cross-section of the circulating air duct by adjusting the position of the windshield, and then adjust the circulating wind speed to The baking process is controlled. The heating device is a carbon crystal heating plate. Multiple carbon crystal heating plates are placed on the support frame and set in the downwind direction of the blast circulation device to make the heating more stable; a material rack is set in the baking area, and an air distribution plate is set under the material rack. The hot air can evenly enter the gap between the baking materials; a control system is also set in the functional area to make the control of the drying box easier.

Description

drying oven

technical field

The utility model relates to the technical field of baking equipment, in particular to a drying oven.

Background technique

The patent with the notification number CN203015823U discloses a tobacco dehumidification heat pump baking device, which includes a closed oven body, a tobacco leaf baking area and a functional area are arranged in the oven body, and a partition is set between the tobacco leaf baking area and the functional area. The board, the tobacco leaf curing area and the functional area are communicated through the air supply port and the return air port arranged on the partition; the tobacco leaf bracket is arranged in the tobacco leaf curing area, and the dehumidification heat pump assembly is arranged in the functional area. Due to the fixed size of the air supply port and the air return port, the circulating wind speed of the circulating air duct between the baking area and the functional area cannot be adjusted, which is not conducive to the control of the entire baking process, and the quality of the tobacco leaves cannot be guaranteed.

Utility model content

The utility model discloses a drying oven, which solves the problem that the circulating wind speed of the existing drying oven cannot be adjusted, which is not conducive to the control of the entire baking process.

The technical solution adopted by the utility model to solve the technical problems is: the drying oven includes a box body, and the box body is divided into a baking area and a functional area by a partition, and the baking area and the functional area are arranged on the partition The air supply port and the air return port of the air circulation channel are connected to form a circulating air duct, a heating device and a blast circulation device are arranged in the functional area, and at least one windshield is arranged in the circulating air duct.

By adjusting the position of the windshield, the size of the cross-section of the circulating air duct can be adjusted, and then the circulating wind speed can be adjusted to facilitate the control of the baking process.

Further, a windshield is provided at the air supply port and/or the air return port. Specifically, the windshield is movably installed at the position of the return air outlet on the partition.

Further, the heating device is arranged in the downwind direction of the blowing circulation device. Specifically, the heating device is a carbon crystal heating plate and a support frame, and a plurality of carbon crystal heating plates are placed on the support frame and arranged in the downwind direction of the blast circulation device.

Further, a material rack is arranged in the baking area, and an air distribution plate is arranged under the material rack.

Further, a moisture outlet and an air inlet are respectively provided on the box between the downwind direction of the return air outlet and the upwind direction of the blast circulation device, and the air inlet is located in the downwind direction of the moisture outlet.

Furthermore, an air inlet is provided on the side wall of the box between the downwind direction of the return air outlet and the upwind direction of the blast circulation device, and an air inlet baffle is arranged at the air inlet; On the top of the side box, shutters are arranged at the moisture outlet. The air intake baffle can control the amount of air intake, and the louvers can prevent external air from entering the box.

Further, a control system is also set in the functional area, and the heating device and the blast circulation device are connected to the control system, and temperature and/or humidity sensors are also set in the baking area and connected to the control system.

Further, universal wheels are provided at the bottom of the box. In order to facilitate the overall movement of the box.

The beneficial effects of the utility model are: the circulation wind speed can be adjusted by adjusting the position of the windshield, which is convenient for controlling the drying process of the material; the control system can automatically adjust the circulation air volume and heating effect according to the preset scheme, with a high degree of automation Convenient; the drying box is widely used and is not affected by external weather and environment. It is not only suitable for tobacco leaves, but also can be used for drying or roasting high value-added crops such as medicinal materials. It has the advantages of simple structure and strong versatility.

Description of drawings

Fig. 1 is the structural representation of the utility model drying oven;

Fig. 2 is a structural schematic diagram of the heating device of the drying oven of the present invention.

Parts, parts and numbers in the figure: material rack 1, drying material 2, box body 3, windshield 4, air return port 5, partition 6, blast circulation device 7, heating device 8, support frame 81, carbon Crystal heating plate 82, universal wheel 9, air supply port 10, air distribution plate 11, air inlet 12.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figure 1, the drying oven of the present invention comprises a box body 3, and the box body 3 adopts heat-insulating material, such as polyurethane sheet material, and the inside of the box body 3 is divided into a drying area and a functional area by a partition 6, and the baking area and the The functional areas communicate with each other through the air supply port 10 and the return air port 5 provided on the partition plate 6, and form a circulating air duct. In order to reduce the dead angle of the circulating air duct, the air supply port 10 and the air return port 5 are respectively arranged at both ends or diagonally of the partition 6. bottom. In order to facilitate the overall movement of the box body 3 , universal wheels 9 are provided at the bottom of the box body 3 .

The material rack 1 is set in the baking area, and the material rack 1 is used to hang the drying material 2 that needs to be dried. The air distribution plate 11 is arranged under the material rack, and the hot air passes through the air distribution plate 11 and then to the drying material suspended on the material rack 1. The dry material 2 is dried, and the air-distributing plate 11 has the function of guiding air, so that the hot air can evenly enter the gap between the dry material 2 .

A heating device 8 and a blast circulation device 7 are arranged in the functional area, and the heating device 8 is arranged in the downwind direction of the blast circulation device 7 , that is, the heating device 8 is placed on the lower side of the blast circulation device 7 . As shown in Figure 2, the heating device 8 selects a carbon crystal heating plate 82, and a plurality of carbon crystal heating plates 82 are placed on the support frame 81 and are arranged in the downwind direction of the blast circulation device 7, and the size of the support frame 81 should be the same as that of the heating device 8. The size of the circulating air duct of the car is consistent, so that all the hot air enters the drying area through the air supply port 10.

In order to adjust the size of the circulating air duct to adjust the hot air circulating wind speed, at least one windshield 4 is arranged in the circulating air duct. For example, the windshield 4 is installed on the partition 6, and the windshield 4 can move up and down to adjust the size of the wind passing surface of the return air outlet 5, and then adjust the circulating wind speed to regulate the drying process.

An air inlet 12 and a moisture outlet are respectively arranged on the box body 3 . The overall shape of the box body 3 is cuboid, and an air inlet 12 is arranged on the side wall of the box body 3 between the downwind direction of the air return port 5 and the upwind direction of the blast circulation device 7 . The moisture outlet is arranged above the side wall of the box body 3 , for example, the moisture outlet is arranged on the top of the box body 3 on both sides in front of the air return port 5 on the side wall of the box body 3 . In addition, shutters are provided at the moisture outlet to prevent external air from entering the box body 3, and an air intake baffle is provided at the air inlet 12 to control the amount of air intake.

A control system is also set in the functional area, and the heating device 8 and the blast circulation device 7 are both connected to the control system, and temperature and/or humidity sensors are also set in the baking area and connected to the control system. The movement of windshield 4 can be connected with control system, also can control independently. The control system also includes a frequency converter, and a control box is installed on the outer wall of the box body 3 to realize the integration of frequency conversion and control, which not only strengthens the function of the controller, but also makes the appearance of the whole machine beautiful.

The blower circulation device 7 of the drying box blows downward, and when the circulating air passes through the carbon crystal heating plate 82, the heat is brought to the drying area and circulates upward, and the drying material 2 is heated and baked. In the circulating air duct, most of the circulating air returns to the blowing circulation device 7 through the air return port 5 for circulation;

Claims (10)

1. Dry baking box, comprise casing (3), casing (3) is divided into baking zone and functional areas by dividing plate (6), baking zone andBetween functional areas, be communicated with by the air outlet (10) and the return air inlet (5) that are arranged on dividing plate (6), and form circulation air path,Heater (8) and air blast cycling device (7) are set in functional areas, it is characterized in that: at least one gear is set in circulation air pathAerofoil (4).
2. 2. oven dry baking box as claimed in claim 1, is characterized in that: described air outlet (10) and/or return air inlet (5) are locatedDeep bead (4) is set.
3. 3. oven dry baking box as claimed in claim 2, is characterized in that: described deep bead (4) is installed on dividing plate movably(6) return air inlet (5) position on.
4. 4. oven dry baking box as claimed in claim 1, is characterized in that: described heater (8) is arranged at air blast circulation dressPut the lower wind direction of (7).
5. 5. oven dry baking box as claimed in claim 1, is characterized in that: described heater (8) is the brilliant heating plate of carbon (82)And bracing frame (81), the brilliant heating plate of polylith carbon (82) is positioned over bracing frame (81) and goes up and be arranged at air blast cycling device (7)Lower wind direction.
6. 6. oven dry baking box as claimed in claim 1, is characterized in that: material frame (1) is set, material frame in described baking zone(1) below arranges split-wind plate (11).
7. 7. oven dry baking box as claimed in claim 1, is characterized in that: the lower wind direction of described return air inlet (5), air blast circulationOn casing (3) between the upwind of device (7), moisture exhausting port and air inlet (12) are set respectively, air inlet (12) is positioned at rowThe lower wind direction position of wet mouthful.
8. 8. oven dry baking box as claimed in claim 7, is characterized in that: the lower wind direction of described return air inlet (5) and air blast circulationOn casing (3) sidewall between the upwind of device (7), air inlet (12) is set, air inlet (12) locates to arrange air intake baffle plate;Moisture exhausting port is arranged at the top of return air inlet (5) front two side box bodies (3), and moisture exhausting port place arranges shutter.
9. 9. oven dry baking box as claimed in claim 1, is characterized in that: control system is also set in described functional areas, adds hot chargingPut (8) and be all connected with control system with air blast cycling device (7), in baking zone, go back set temperature and/or humidity sensor and withControl system is connected.
10. 10. oven dry baking box as claimed in claim 1, is characterized in that: the bottom of described casing (3) arranges universal wheel (9).