CN214077642U

CN214077642U - Baking oven for coating curing

Info

Publication number: CN214077642U
Application number: CN202022720303.4U
Authority: CN
Inventors: 郎巍; 沈吉义
Original assignee: Zhejiang Huali Intelligent Equipment Co ltd
Current assignee: Zhejiang Huali Intelligent Equipment Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-31
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a baking oven for coating curing, which comprises a box body (1), a combustion chamber (2) arranged at one side of the box body (1), a drying chamber (3) arranged at the other side of the box body (1) and a heat recycling device (4); the heat recycling device (4) comprises a gas collecting hood (41), a temperature control valve (42), a hot gas backflow passage (43), a hot gas treatment device (44) and a gas collecting barrel (45); the combustion chamber (2) comprises a combustion cylinder (21), an air inducing box (22) arranged on one side of an air inlet of the combustion cylinder (21), an air filtering device (24) arranged on one side of an air outlet of the combustion cylinder (21), an air chamber (25) arranged on the other side of the air filtering device (24), and an air supply device (26) is arranged in the air chamber (25). The utility model discloses a to thermal recycle, it is extravagant to have reduced the energy, has guaranteed the evenly distributed of steam, has improved production efficiency, has reduced manufacturing cost.

Description

Baking oven for coating curing

Technical Field

The utility model relates to an industrial application oven field, concretely relates to coating solidification is with toasting case.

Background

In the spraying industry, after the paint is sprayed on the surface of a workpiece, the workpiece needs to be placed in an oven for high-temperature baking and curing of a coating, the oven usually adopts a hot air circulation heating mode to bake the workpiece, and after baking is finished, the workpiece is cooled down and taken out. In the prior art, a general cooling method is to discharge hot air in an oven by using a heat exchange device and then introduce cold air, so as to realize heat exchange and cool the internal environment of the oven.

Application number is CN 201720962075.7's utility model discloses an industrial oven, including the box, be equipped with the vent on the lateral wall of box one side, the vent is sealed through sealing the door, and the box top is equipped with hot air treatment device, and hot air treatment device is including circulating hot air's air pipe and being used for cooling hot air's pond, air pipe one end runs through the top of box, and the other end stretches into the aquatic in the pond, and this utility model has the inside hot air of oven box from the inside discharge of box and carry out refrigerated benefit fast. However, the cooling method related to the technical scheme of the utility model directly discharges the hot air into the cooling water pool, and the residual heat in the hot air is not recycled, which causes a great deal of waste of heat energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, providing can carry out effective retrieval and utilization with the heat, even, the efficient baking oven is used in the solidification of coating of heat distribution.

In order to achieve the above object, the utility model adopts the following technical scheme:

a baking oven for curing a coating comprises an oven body, a combustion chamber arranged on one side of the oven body, a drying chamber arranged on the other side of the oven body and a heat recycling device; the heat recycling device comprises a gas collecting hood, a temperature control valve, a hot gas backflow passage, a hot gas treatment device and a gas collecting barrel; the combustion chamber comprises a combustion barrel, an air inducing box arranged on one side of an air inlet of the combustion barrel, an air filtering device arranged on one side of an air outlet of the combustion barrel, and an air chamber arranged on the other side of the air filtering device, wherein an air supply device is arranged in the air chamber; a first heat insulation plate is arranged between the combustion chamber and the drying chamber; the drying chamber comprises a sealing door arranged on the box body, a conveying track arranged at the bottom of the box body and used for carrying materials, a hot air outlet and a hot air channel.

The utility model discloses a baking oven for coating solidification, including heat recovery unit, adopt heat recovery unit carry out heat recovery to the steam of discharging in the drying chamber, after setting for the temperature of retrieving steam, realize the reposition of redundant personnel of steam through temperature control valve, carry out heat recovery to the steam of higher temperature, make it enter into the gas collection bucket that has the heat preservation function through the first passageway of heat backward flow passageway and store; the hot gas with low heat and without recovery significance enters the hot gas treatment device through the third channel for purification treatment and then is discharged to the environment.

Preferably, the hot gas return passage comprises a first passage, a second passage and a third passage, the first passage is connected with a hot air outlet of the drying chamber, the first passage is connected with the gas collecting barrel, and the second passage is connected with the hot gas treatment device; the temperature control valve is arranged at the intersection of the first channel, the second channel and the third channel.

Preferably, the induced draft box comprises a fresh air filtering device and a flow regulating valve for controlling the flow rate of air.

Preferably, an air deflector opposite to an air outlet of the induced draft box is arranged in the combustion chamber, and the lower end of the air deflector inclines towards the induced draft box.

Preferably, the air supply device comprises an air supply fan, an air supply pipe, an air supply elbow, an air supply variable diameter and an air supply outlet which are connected in sequence; the air supply opening is provided with a wind shield for shunting hot air.

Preferably, the hot air channel comprises a hot air channel and a heat dissipation pipeline communicated with the hot air channel; the hot air flow channel is arranged on the inner side of the box body at the top of the drying chamber; the heat dissipation pipeline is arranged on the inner side of the box body corresponding to the drying chamber and one side of the first heat insulation plate close to the drying chamber, and a heat dissipation pore plate is arranged at the lower part of the inner side of the heat dissipation pipeline; the hot air flow channel is connected with the air supply device.

Preferably, the combustion chamber further comprises a second heat insulation plate arranged between the combustion cylinder and the adjacent box body.

Preferably, the sealing door is provided with a cold air inlet.

The utility model discloses the beneficial effect who produces includes:

1. a coating solidification is with toasting case include heat reclamation device, carry out heat recovery to the higher steam of temperature that has heat recovery value and recycle, discharge the environment again after handling to the lower and direct low temperature gas that discharges meeting polluted environment of temperature that does not have heat recovery value. The heat is recycled, so that the loss of a large amount of heat energy is avoided, the heating cost is reduced, and the production cost of coating curing is reduced; and the exhausted air is treated, so that the pollution to the environment in the production process is reduced. In addition, the heat recovery device can enable hot air to be rapidly discharged from the drying chamber, so that the temperature in the drying chamber is rapidly reduced, the curing period is shortened, and the production efficiency is improved.

2. A coating solidification is with toasting case, the bottom half is provided with the transmission track that is used for carrying the material, has made things convenient for placing and taking out of material for the handling speed of material has further improved production efficiency.

3. Induced draft case include new trend filter equipment, to getting into air in the combustion chamber filters, avoids dust impurity to get into the combustion chamber in, make on the one hand the combustion chamber in form the deposition, influence the performance of combustion chamber, on the other hand have avoided the dust to get into along with burning steam the drying chamber in adhere to the material performance that influences the coating on the surface.

4. A coating solidification is with toasting case, air supply arrangement's air supply outlet department be provided with and be used for carrying out the deep bead of reposition of redundant personnel to steam, the setting of deep bead, can make and get into hot-air evenly distributed in the hot-air runner the heat dissipation pipeline in, guaranteed that steam is in the drying chamber in evenly distributed.

Drawings

FIG. 1 is a schematic view of a baking oven for curing a coating;

FIG. 2 is a schematic view of an air supply device;

the device comprises a box body 1, a first heat insulation board 11, a combustion chamber 2, a combustion cylinder 21, an induced draft box 22, a fresh air filtering device 221, a flow regulating valve 222, an air guide plate 23, an air filtering device 24, an air chamber 25, an air supply device 26, an air supply fan 261, an air supply pipe 262, an air supply elbow 263, an air supply variable diameter 264, an air supply outlet 265, an air baffle 266, a second heat insulation board 27, a drying chamber 3, a sealing door 31, a transmission rail 32, a hot air outlet 33, a hot air channel 34, a hot air channel 341, a heat dissipation pipeline 342, a heat dissipation pore plate 4, a heat recycling device 41, a gas collecting hood 41, a temperature control valve 42, a hot air backflow channel 43, a hot air processing device 44 and a gas collecting barrel 45.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments.

In the description of the present invention, it should be noted that the terms "above", "lower end", "top", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and only for convenience of description the present invention and simplification of description, but not to indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features.

Example 1

Fig. 1 is a schematic view of a baking oven for curing a coating, and as shown in fig. 1, the baking oven for curing a coating comprises an oven body 1, a combustion chamber 2 arranged on one side of the oven body 1, a drying chamber 3 arranged on the other side of the oven body 1, and a heat recycling device 4.

The heat recycling device 4 comprises a gas collecting hood 41, a temperature control valve 42, a hot gas backflow passage 43, a hot gas treatment device 44 and a gas collecting barrel 45, wherein the gas collecting barrel is used as an air preheating device, and the gas collecting barrel is an air heat-insulating barrel.

The hot air return passage 43 comprises a first passage, a second passage and a third passage, the first passage is connected with the hot air outlet 33 of the drying chamber 3, the first passage is connected with the air collecting barrel 45, and the second passage is connected with the hot air treatment device 44; the thermostatic valve 42 is arranged at the intersection of the first channel, the second channel and the third channel.

The combustion chamber 2 comprises a combustion cylinder 21, an air inducing box 22 arranged on one side of an air inlet of the combustion cylinder 21, an air filtering device 24 arranged on one side of an air outlet of the combustion cylinder 21, and an air chamber 25 arranged on the other side of the air filtering device 24, wherein an air supply device 26 is arranged in the air chamber 25; a first heat insulation plate 11 is arranged between the combustion chamber 2 and the drying chamber 3; the drying chamber 3 comprises a sealing door 31 arranged on the box body 1, a conveying track 32 arranged at the bottom of the box body 1 and used for carrying materials, a hot air outlet 33 and a hot air channel 34. The induced draft box 22 includes a fresh air filtering device 221 and a flow control valve 222 for controlling the flow rate of air. An air guide plate 23 opposite to an air outlet of the induced draft box is arranged in the combustion chamber, and the lower end of the air guide plate 23 inclines towards the induced draft box 22. The sealing door 31 is provided with a cold air inlet.

The air filter 24 is a pleated high temperature resistant air filter.

The combustion chamber 2 further comprises a second heat insulation plate 27 arranged between the combustion cylinder 21 and the adjacent box body 1.

Fig. 2 is a schematic diagram of an air supply device, and as shown in fig. 2, the air supply device 26 includes an air supply fan 261, an air supply pipe 262, an air supply elbow 263, an air supply reducing 264 and an air supply outlet 265, which are connected in sequence; the air supply outlet 265 is provided with an air baffle 266 for splitting hot air.

The hot air channel 34 comprises a hot air channel 341 and a heat dissipation pipe 342 communicated with the hot air channel 341; the hot air flow channel 341 is arranged inside the box body 1 at the top of the drying chamber 3; the heat radiation pipe 342 is arranged at the inner side of the box body 1 corresponding to the drying chamber 3 and at one side of the first heat insulation plate 11 close to the drying chamber 3, and a heat radiation pore plate is arranged at the lower part of the inner side of the heat radiation pipe 342; the hot air flow path 341 is connected to the air blowing device 26.

An air chamber access door is arranged on the box body in the air chamber 25. The recovered hot gas enters the induced draft box through the hot gas backflow passage. And a control panel is arranged on one side of the box body close to the sealing door.

The utility model relates to a coating solidification is with toasting case's application method as follows:

the sealing door 31 is opened, the materials are conveyed into the drying chamber 3 through the conveying track 32, and the sealing door 31 is closed. The induced draft box 22 sends air into the combustion chamber 2, the air is filtered by the fresh air filtering device 221, flows to the combustion cylinder 21 under the guidance of the air guide plate 23, the generated hot air enters the air chamber 25 after being filtered again by the air filtering device 24, enters the blast pipe 262 under the driving of the blast fan 261 of the blast device 26, changes the direction through the blast elbow 263, enters the hot air flow passage 341 under the pressurization of the blast reducing 264, and enters the heat dissipation pipelines 342 arranged at two sides of the drying chamber box body respectively after being distributed by the wind blocking plates 266, and is dispersed in the drying chamber 3 through the heat dissipation pore plates arranged on the heat dissipation pipelines to heat and solidify the coating of the material.

After solidification, the combustion cylinder 21 is closed, the cold air inlet arranged on the sealing door 31 is opened, the heat recycling device 4 is started, hot air in the drying chamber sequentially passes through the air collecting hood 41, the first channel and the temperature control valve 42, the hot air meeting the heat recovery temperature enters the air collecting barrel 45 through the second channel, and air with lower heat is discharged after being degraded by the hot air treatment device 44 through the third channel.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the invention is intended to cover all modifications, equivalents and improvements falling within the spirit and principles of the present invention.

Claims

1. The utility model provides a coating solidification is with toasting case which characterized in that: comprises a box body (1), a combustion chamber (2) arranged on one side of the box body (1), a drying chamber (3) arranged on the other side of the box body (1) and a heat recycling device (4); the heat recycling device (4) comprises a gas collecting hood (41), a temperature control valve (42), a hot gas backflow passage (43), a hot gas treatment device (44) and a gas collecting barrel (45); the combustion chamber (2) comprises a combustion cylinder (21), an air inducing box (22) arranged on one side of an air inlet of the combustion cylinder (21), an air filtering device (24) arranged on one side of an air outlet of the combustion cylinder (21), an air chamber (25) arranged on the other side of the air filtering device (24), and an air supply device (26) is arranged in the air chamber (25); a first heat insulation plate (11) is arranged between the combustion chamber (2) and the drying chamber (3); the drying chamber (3) comprises a sealing door (31) arranged on the box body (1), a conveying track (32) arranged at the bottom of the box body (1) and used for carrying materials, a hot air outlet (33) and a hot air channel (34).

2. The bake oven for curing a coating according to claim 1, wherein: the hot gas return passage (43) comprises a first passage, a second passage and a third passage, the first passage is connected with a hot air outlet (33) of the drying chamber (3), the first passage is connected with the gas collecting barrel (45), and the second passage is connected with the hot gas treatment device (44); the temperature control valve (42) is arranged at the junction of the first channel, the second channel and the third channel.

3. The bake oven for curing a coating according to claim 1, wherein: the air guide box (22) comprises a fresh air filtering device (221) and a flow regulating valve (222) for controlling the flow rate of air.

4. The bake oven for curing a coating according to claim 1, wherein: an air guide plate (23) opposite to an air outlet of the induced draft box is arranged in the combustion chamber, and the lower end of the air guide plate (23) inclines towards the induced draft box (22).

5. The bake oven for curing a coating according to claim 1, wherein: the air supply device (26) comprises an air supply fan (261), an air supply pipe (262), an air supply elbow (263), an air supply reducing pipe (264) and an air supply outlet (265) which are connected in sequence; and a wind shield (266) for shunting hot air is arranged at the air supply outlet (265).

6. The bake oven for curing a coating according to claim 1, wherein: the hot air channel (34) comprises a hot air channel (341) and a heat dissipation pipeline (342) communicated with the hot air channel (341); the hot air channel (341) is arranged on the inner side of the box body (1) at the top of the drying chamber (3); the heat dissipation pipeline (342) is arranged on the inner side of the box body (1) corresponding to the drying chamber (3) and one side of the first heat insulation plate (11) close to the drying chamber (3), and a heat dissipation pore plate is arranged at the lower part of the inner side of the heat dissipation pipeline (342); the hot air flow passage (341) is connected with the air supply device (26).

7. The bake oven for curing a coating according to claim 1, wherein: the combustion chamber (2) further comprises a second heat insulation plate (27) arranged between the combustion cylinder (21) and the adjacent box body (1).

8. The bake oven for curing a coating according to claim 1, wherein: the sealing door (31) is provided with a cold air inlet.