CN201917190U - Oven hot air circulation system - Google Patents

Abstract

The utility model discloses a hot air circulating system of oven, including the box, be formed with a studio and a heating chamber in the box, be equipped with heating device in the heating chamber, be equipped with fresh air inlet and exhaust vent on the baffle between heating chamber and the studio, the heating chamber includes that one is located the zone of heating of bottom half and one is located the inlet air duct on the right side of studio, the fresh air inlet sets up on the baffle between inlet air duct and studio longitudinally spaced, longitudinally spaced ground inserts in the studio and is equipped with a plurality of thing dishes of putting, and the end of a plate of putting the thing dish is the mesh structure, put the thing dish and separate the drying region of establishing to a plurality of layers and inlet air duct switch on with the studio, be equipped with the high aviation baffle in the low right side in each drying region, the setting of above-mentioned aviation baffle can make the thing of waiting to dry in putting the thing dish be heated.

Description

Oven hot air circulation system

technical field

The utility model relates to a hot air circulation system of an oven.

Background technique

In industrial production, ovens or similar oven devices are often used to dry products, so that the moisture in the products is heated and evaporated, and finally a dry product is obtained. The oven generally includes a box body, in which a working chamber and a heating chamber are formed, and a heating device is arranged in the heating chamber, and an air inlet and an air outlet hole are arranged on the partition between the heating chamber and the working chamber, so as to form a A hot air circulation system. Most of the working chambers of existing ovens are a cavity, and the objects to be dried are placed inside directly or through some kind of container. Only a small amount of objects to be dried can be dried at a time, and the drying efficiency is relatively low. In addition, since the hot air is blown from one side of the working room to the other side, the hot air cannot blow to the entire surface of the object to be dried, thus causing uneven heating of the object to be dried in the working room.

Contents of the invention

The purpose of the utility model is to provide a hot air circulation system for an oven, in which air deflectors are respectively provided on each storage tray in the working room, and the setting of the air deflectors can make the heating surface of the objects to be dried in the storage trays more stable. Wider and more even heating.

The technical scheme of the utility model is: a hot air circulation system of an oven, including a box body, a working room and a heating room are formed in the box body, a heating device is arranged in the heating room, and a partition plate between the heating room and the working room is installed. There are air inlet holes and air outlet holes. The heating chamber includes a heating area at the bottom of the box and an air inlet channel on the right side of the working chamber. The air inlet holes are longitudinally spaced between the air inlet channel and the working chamber. On the partition between the chambers, a plurality of storage trays are vertically inserted in the working room at intervals. The bottom of the storage tray has a mesh structure. The storage tray divides the working room into several layers and guides the air inlet channel. There is a well-connected drying area, and each drying area is equipped with a wind deflector with a low left and a high right.

The heating chamber also includes a return air passage located on the left side of the working chamber, and the air outlet holes are longitudinally spaced on the partition between the return air passage and the working chamber, so that each drying area is connected to the return air passage respectively. The wind channel is connected. the

The top of the return air channel is provided with a moisture discharge hole, and the top of the box is provided with a moisture discharge switch that can adjust the opening size of the moisture discharge hole, so that it is convenient for the operator to control the humidity in the box to the desired level during the drying operation. scope.

The utility model has the advantages of:

1. In the utility model, air deflectors are respectively arranged on each storage tray in the working room. The hot air in the air inlet channel enters the working room through the air hole, and is guided by the air guide plate to pass through the bottom mesh of the storage tray and enter the next layer. The top of the air deflector or the bottom of the working room, and flows back into the heating chamber through the air outlet, so that the heating surface of the object to be dried in the storage tray can be wider and more evenly heated.

． The utility model is provided with a dehumidification hole on the top of the return air passage, and a dehumidification switch that can adjust the opening size of the dehumidification hole is provided on the top of the box, so that it is convenient for the operator to control the humidity in the box during the drying operation. required range.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a sectional view of the utility model;

Fig. 2 is the top view of the storage tray in the utility model;

Fig. 3 is a perspective view of the utility model.

Among them: 1 cabinet; 2 working room; 3 heating chamber; 31 heating device; 32 air inlet channel; 33 return air channel; 34 heating area; 35 fan; 36 motor; 4 clapboard; 5 air inlet hole; 6 air outlet hole; 7 storage tray; 8 drying area; 9 wind deflector; 10 moisture hole; 11 moisture switch.

Detailed ways

Embodiment: As shown in Figures 1 to 3, a hot air circulation system for an oven includes a box body 1 in which a working chamber 2 and a heating chamber 3 are formed, and the heating chamber 3 includes a heating chamber located in the working chamber 2. The heating zone 34 below, the air inlet channel 32 positioned at the right side of the working room 2 and the return air channel 33 positioned at the left side of the working room 2, the fan 35 and the heating device 31 are arranged in the said heating zone 34, said inlet A plurality of air inlet holes 5 are vertically arranged at intervals on the partition 4 between the air passage 32 and the working chamber 2, and a plurality of air outlets are longitudinally arranged at intervals on the partition 4 between the return air passage 33 and the working chamber 2. Holes 6, a plurality of storage trays 7 are inserted longitudinally at intervals in the working room 2, and the bottom of the storage tray 7 has a mesh structure, and the storage tray 7 divides the working room 2 into several layers and the air inlet channel 32. The return air channels 33 are connected to the drying areas 8 respectively, and each drying area 8 is provided with a wind deflector 9 with a lower left and a higher right.

The specific setting structure of the above-mentioned air deflector 9 is as follows: the uppermost air deflector 9 is arranged between the left end of the uppermost storage tray 7 and the inner top wall of the box body 1, and the remaining air deflectors 9 are arranged between two adjacent storage boxes. between disk 7.

When the utility model is in working condition, the motor 36 drives the fan 35 to work, and the wind blown by the fan 35 passes through the heating device 31 in the heating zone 34 to form hot air and flows into the air inlet channel 32, and the hot air in the air inlet channel 32 passes through the air inlet hole 5 Enter the working room 2, and be guided by the air deflector 9, pass through the bottom mesh 71 of the storage tray 7, enter the next layer above the air deflector 9 or the bottom of the working room 2, and then flow into the return air passage through the air outlet 6 33 is the heating chamber 3, to form a hot air circulation system, so that the heating surface of the object to be dried in the work room 2 built-in object tray 7 is wider and more evenly heated. The utility model has a wide scope of application, such as drying silkworm cocoons, roasting peanuts, drying melon seeds and the like.

In order to facilitate the operator to control the humidity in the oven according to needs, the utility model is provided with a dehumidification hole 10 on the top of the return air passage 33, and a dehumidification switch 11 that can adjust the opening size of the dehumidification hole 10 is provided on the top of the box body 1. . In the figure of this embodiment, the top of the return air channel 33 extends upward to form a cylinder that protrudes from the top of the box body 1 and communicates with the return air channel 33. The hollow part of the cylinder is the above-mentioned dehumidification hole 10. The cylinder An insertion hole is opened on the side wall close to the top surface of the box body 1, and the above-mentioned dehumidification switch 11 is inserted in the insertion hole so as to slide laterally. Of course, this is only a specific embodiment of the dehumidification switch 11 , and the utility model is not limited to the installation method for protecting the dehumidification switch 11 .

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (3)

1. A hot air circulation system for an oven, comprising a box body (1), a working chamber (2) and a heating chamber (3) are formed in the box body (1), and a heating device (31) is arranged in the heating chamber (3) ), the partition (4) between the heating chamber (3) and the working chamber (2) is provided with air inlet holes (5) and air outlet holes (6), characterized in that: the heating chamber (3) includes A heating zone (34) located at the bottom of the box and an air inlet passage (32) located on the right side of the working chamber (2), the air inlet holes (5) are longitudinally spaced between the air inlet passage (32) and the On the partition (4) between the working chambers (2), a plurality of storage trays (7) are interposed longitudinally in the working chambers (2), and the bottom of the storage trays (7) has a mesh structure. The storage tray (7) divides the working room (2) into several drying areas (8) that are connected to the air inlet channel (32), and each drying area (8) is equipped with low left and right high Air deflector (9). 2. The hot air circulation system of the oven according to claim 1, characterized in that: the heating chamber (3) also includes a return air channel (33) located on the left side of the working chamber (2), and the air outlet Holes (6) are vertically arranged at intervals on the partition plate (4) between the return air passage (33) and the working chamber (2), so that each drying area (8) communicates with the return air passage (33) respectively. 3. The hot air circulation system of the oven according to claim 2, characterized in that: the top of the return air channel (33) is provided with a moisture discharge hole (10), and the top of the cabinet (1) is provided with an adjustable moisture discharge hole The dehumidification switch (11) of hole (10) opening size.

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