CN219702573U - Oven and coating machine - Google Patents

Abstract

The utility model discloses an oven, which comprises a drying chamber and a heating chamber, wherein the heating chamber is provided with an air return chamber, a circulating fan, a heat exchanger and a filter, the drying chamber comprises an oven body, the oven body comprises an upper body and a lower body, the upper body and the lower body are both communicated with the filter and the air return chamber, the heating chamber is provided with a fresh air port and an air outlet, the fresh air port is communicated with an inlet of the circulating fan, an outlet of the circulating fan is communicated with the heat exchanger, the air outlet is communicated with the air return chamber so as to realize that the air exhausted by the upper body and the lower body is converged and then is exhausted from the air outlet, and a humidifying device is arranged between the filter and the heat exchanger.

Description

Oven and coating machine

Technical Field

The utility model relates to the technical field of ovens, in particular to an oven and a coating machine.

Background

The humidity of the fresh air fed into the existing coating machine oven greatly affects the drying efficiency of the oven and the quality of the dried pole piece, and when the outdoor humidity fluctuation is large, the pole piece is extremely easy to cause the phenomenon of dark marks and cracks after baking under the condition that other drying conditions of the oven are unchanged.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the oven and the coating machine, the device can improve the humidity of the circulating outdoor air of the oven, and the drying efficiency of the oven and the quality of the pole piece can be ensured.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an oven, includes drying chamber and heating chamber, the heating chamber is provided with return air chamber, circulating fan, heat exchanger and filter, the drying chamber includes the oven hull, the oven hull includes hull and lower hull, go up hull and lower hull all intercommunication the filter with the return air chamber, the heating chamber is equipped with fresh air inlet and air exit, fresh air inlet and circulating fan's entry intercommunication, circulating fan's export intercommunication heat exchanger, the air exit is with the return air chamber intercommunication in order to realize merging the back discharge from the air exit with last hull and lower hull exhaust wind, the filter with be provided with humidification device between the heat exchanger.

As a further improvement of the scheme, the upper ship body is provided with an upper tuyere, the lower ship body is provided with a lower tuyere, the upper tuyere and the lower tuyere are arranged at opposite intervals and form a gap for placing pole pieces, the outlet end of the upper tuyere is provided with a first air return nozzle, and the outlet end of the lower tuyere is provided with a second air return nozzle.

As a further improvement of the scheme, a humidity sensor is arranged in front of the oven ship body.

As the further improvement of above-mentioned scheme, humidification device includes steam conduit and sets up the humidification subassembly on steam conduit, humidification subassembly has set gradually first stop valve, steam filter, pneumatic control valve, manometer and second stop valve along the circulation direction of steam, the one end that the steam conduit is close to first stop valve is connected in outside steam generator, the one end that the steam conduit is close to the second stop valve is connected in the space between filter and the heat exchanger in the heating chamber.

As a further improvement of the scheme, the humidifying device adopts a high-pressure spray humidifier, a host machine of the high-pressure spray humidifier is arranged on one side of the heating chamber and is connected with a water supply pipeline, and a spray outlet of the high-pressure spray humidifier extends into a space between the heating filter and the heat exchanger.

As a further improvement of the scheme, an explosion-proof opening is arranged at the top of the drying chamber.

A coater comprising an oven as described above.

The beneficial effects of the utility model are as follows:

the utility model provides an oven and a coating machine, which can improve the humidity of air outside a circulating chamber of the oven and ensure the drying efficiency of the oven and the quality of a pole piece.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall oven of the present utility model;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a cross-sectional view of an oven according to the present utility model.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 to 3, the present utility model provides an oven comprising a drying chamber 12 and a heating chamber 11.

The heating chamber 11 is internally provided with an air return chamber, a circulating fan 114, a heat exchanger 113 and a filter 111, the top of the heating chamber 11 is provided with a fresh air inlet 115 and an air outlet 116, the fresh air inlet 115 is communicated with an inlet of the circulating fan 114, an outlet of the circulating fan 114 is communicated with the heat exchanger 113, the fresh air inlet 115 is used for inputting outdoor air into the oven, the air outlet 116 is used for discharging circulated air out of the oven, a humidifying device is arranged between the filter 111 and the heat exchanger 113, and the humidifying device can spray water vapor or water mist with small particle size into the air passing through the heat exchanger, so that the humidity stability in the drying chamber 12 is maintained, and the humidity in the oven is prevented from being influenced by the change of the external environment humidity. Meanwhile, because the temperature of the air after the heat exchanger 113 is higher, the temperature is about 110 to 145 ℃ conventionally, the steam or the water mist with small particle size added in the steam or the water mist can be kept or quickly enter a vaporization state and cannot be condensed in the oven, and the steam or the water mist can enter the air circulation of the oven along with high-temperature air, so that the humidifying efficiency is high, and the influence of effusion in the oven on the operation of the oven can be avoided.

The drying chamber 12 comprises a drying oven body, a humidity sensor 124 is arranged in front of the drying oven body, the humidity sensor 124 is used for monitoring the humidity of air entering the drying oven body, and then the steam quantity sprayed out of the humidifying device is controlled according to the monitored humidity feedback, so that the drying oven can keep stable drying effects under different outdoor humidity environments.

The oven hull includes last hull 123 and lower hull 122, last hull 123 is provided with the upper wind mouth 1231, lower hull 122 is provided with down wind mouth 1221, upper wind mouth 1231 with down wind mouth 1221 relative interval sets up and forms the clearance of placing the pole piece, first return air mouth has been seted up to the exit end of upper wind mouth 1231, second return air mouth has been seted up to the exit end of lower wind mouth 1221. The upper hull 123 and the lower hull 122 are both connected to the filter 111 and the return air chamber, so that the air exhausted from the first return air nozzle and the second return air nozzle can be converged and then exhausted from the air outlet.

In this embodiment, the humidifying device includes a steam pipe 1126 and a humidifying component disposed on the steam pipe, the humidifying component is sequentially provided with a first stop valve 1121, a steam filter 1122, a pneumatic control valve 1123, a pressure gauge 1124 and a second stop valve 1125 along the flowing direction of steam, one end of the steam pipe 1126 close to the first stop valve 1121 is connected to an external steam generator, and one end outlet 11261 of the steam pipe 1126 close to the second stop valve is connected to a space between the filter 111 and the heat exchanger 113 in the heating chamber 11.

In operation, the pneumatic control valve 1123 in the humidifying device is used for adjusting the steam quantity in real time under the control of the controller according to the values of the pressure gauge 1124 and the humidity sensor 124, the steam filter is used for filtering impurities in the steam, and the purpose of the stop valve is not to influence the normal startup use of the equipment during maintenance. The specific working principle is as follows: the humidity sensor 124 monitors the exhaust air humidity and feeds back to the control module, which feeds back a signal to the pneumatic control valve 1123, and the pneumatic control valve 1123 adjusts its opening to control the amount of steam.

In practical application, the humidifying device can also select a high-pressure spray humidifier, a host machine of the high-pressure spray humidifier is arranged on one side of the heating chamber and is connected with a water supply pipeline, a heating bag and a filter are arranged in the heating chamber, and a spray outlet of the high-pressure spray humidifier extends between the heating bag and the filter. The water supply pipeline supplies tap water to the high-pressure spray humidifier, the tap water is pressurized by a host machine of the high-pressure spray humidifier, and then atomized and sprayed out at high speed through a special spray head to form fine water mist particles, and the fine water mist particles are subjected to heat-moisture exchange with flowing air to absorb heat in the air so as to realize humidification treatment of the air. The humidifying device can also select an ultrasonic spray humidifier, the sprayed water mist has more uniform and smaller particle size, and is easy to quickly vaporize at the high temperature of the oven.

The utility model also provides a coating machine which comprises the oven, the humidity of the circulating outdoor air of the oven can be improved by using the coating machine, and the drying efficiency of the oven and the quality of the pole piece can be ensured.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and the equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (7)

1. The utility model provides an oven, includes drying chamber and heating chamber, the heating chamber is provided with return air chamber, circulating fan, heat exchanger and filter, the drying chamber includes the oven hull, the oven hull includes hull and lower hull, its characterized in that, go up hull and lower hull all intercommunication the filter with the return air chamber, the heating chamber is equipped with fresh air inlet and air exit, fresh air inlet and circulating fan's entry intercommunication, circulating fan's export intercommunication heat exchanger, the air exit is discharged from the air exit after merging last hull and lower hull exhaust wind with the return air chamber intercommunication in order to realize, the filter with be provided with humidification device between the heat exchanger.

2. An oven according to claim 1, wherein the upper hull is provided with an upper tuyere, the lower hull is provided with a lower tuyere, the upper tuyere and the lower tuyere are arranged at intervals relatively to each other and form a gap for placing pole pieces, the outlet end of the upper tuyere is provided with a first return tuyere, and the outlet end of the lower tuyere is provided with a second return tuyere.

3. An oven according to claim 1, characterized in that the oven hull is provided with a humidity sensor in front.

4. An oven according to claim 1, characterized in that the humidifying device comprises a steam pipe and a humidifying assembly arranged on the steam pipe, the humidifying assembly is provided with a first stop valve, a steam filter, a pneumatic control valve, a pressure gauge and a second stop valve in sequence along the flow direction of the steam, one end of the steam pipe, which is close to the first stop valve, is connected to an external steam generator, and one end of the steam pipe, which is close to the second stop valve, is connected to the space between the filter and the heat exchanger in the heating chamber.

5. An oven according to claim 1, characterized in that the humidifying device is a high-pressure spray humidifier, the main machine of which is arranged at one side of the heating chamber and is connected with a water supply pipeline, and the spray outlet of which extends into the space between the heating filter and the heat exchanger.

6. An oven according to claim 1, wherein the top of the drying chamber is provided with an explosion-proof opening.

7. A coater comprising an oven as claimed in any one of claims 1 to 6.