CN218210085U - Burner and coating machine oven - Google Patents

Abstract

The utility model relates to a burner and coating machine oven, wherein burner includes the linear combustor of natural gas, first casing and second casing, forms the burning chamber of the linear combustor of natural gas in the first casing, outside first casing was located to second casing cover, formed air duct between second casing and the first casing, first air intake has been seted up on the second casing, the second air intake has been seted up on the first casing, burning chamber, second air intake, air duct and first air intake communicate in proper order. The utility model has the advantages of still be equipped with air duct through the combustion chamber at burner, double-deck burning chamber structure promptly can make the heat in the burning chamber wall distribute away again through the interlayer on the one hand, and on the other hand is because burning chamber, second air intake, air duct and first air intake communicate in proper order, can make external fresh air supply advance the burning chamber and reduce flame temperature.

Description

Burner and coating machine oven

Technical Field

The utility model relates to an industrial equipment technical field, in particular to burner and coating machine oven.

Background

The existing coating oven heating mode comprises heat conduction oil, steam, electricity and the like, wherein a combustion mode that a natural gas burner directly burns in a combustion box is adopted, and the heating mode is fast in heating, low in energy consumption and high in economical efficiency.

As the temperature of the combustion flame can reach more than 600 ℃, in the drying process, some silicone oil volatilizes and reaches a combustion box along with hot air, the silicone oil can generate oxidation reaction when the temperature exceeds 280 ℃, methyl is oxidized to form crosslinking, gel is generated, and small dust is formed, so that the dust generated by the oxidation of the silicone oil due to high temperature influences the product quality in the silicone oil coating and drying process. In order to solve the problem that the coating quality of the conventional combustion apparatus is affected by the excessively high temperature of the hot air in the combustion chamber, further research on the combustion apparatus is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burner and coating machine oven to solve current burner and influence the problem of coating quality because of the hot-blast high temperature in the combustion chamber.

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

the utility model provides a burner, is applied to coating machine oven, includes the linear combustor of natural gas, first casing and second casing, forms the burning chamber of the linear combustor of natural gas in the first casing, and outside first casing was located to the second casing cover, formed air duct between second casing and the first casing, seted up first air intake on the second casing, seted up the second air intake on the first casing, burning chamber, second air intake, air duct and first air intake communicate in proper order.

Furthermore, the first shell comprises a first section and a second section, the second section is far away from the natural gas linear burner relative to the first section, the second section is located outside the air channel, the second air inlet is formed in the first section, and the second section is provided with a third air inlet.

Further, still include the end plate, end plate and first casing surround and form the burning chamber, and the end plate is close to the third air intake, has seted up the fourth air intake on the end plate.

Furthermore, the second air inlets are uniformly distributed on the first section, and the third air inlets are uniformly distributed on the second section.

Furthermore, the first shell and the second shell are both rectangular frames, and one surface of the second shell is provided with a first air inlet.

Further, a channel closure plate is included, connecting the first and second housings between the first and second sections.

Furthermore, the channel closing plate is evenly provided with vent holes.

Further, the shell comprises a channel supporting plate, wherein the channel supporting plate is located on the outer side of the corner of the first section and used for supporting the second shell.

The utility model discloses another aspect still provides a coating machine oven, including foretell burner.

Further, the oven blower and the combustion device are arranged at intervals.

This technical scheme's advantage lies in, still be equipped with air duct through the combustion chamber at burner outside, double-deck combustion chamber structure promptly, can make the heat in the combustion chamber wall distribute away again through the interlayer on the one hand, and on the other hand is because combustion chamber, second air intake, air duct and first air intake communicate in proper order, can be used to solve current burner and influence the problem of coating quality because of the hot-blast high temperature in the combustion chamber so that the fresh air in the external world supplyes the combustion chamber and reduce flame temperature.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a combustion apparatus according to the present invention;

FIG. 2 is a schematic view of the combustion apparatus of the present invention in another direction;

fig. 3 is an exploded view of the combustion device of the present invention;

fig. 4 is a cross-sectional view of the combustion apparatus of the present invention;

fig. 5 is another cross-sectional view of the combustion apparatus of the present invention.

Reference numerals: 1. a natural gas linear combustor; 2. a first housing; 21. a second air inlet; 22. a first stage; 23. a second stage; 24. a third air inlet; 3. a second housing; 31. a first air inlet; 4. a combustion chamber; 5. an air channel; 6. an end plate; 61. a fourth air inlet; 7. a channel closing plate; 71. a vent hole; 8. a channel support plate; 9. and (7) mounting the plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In this embodiment, referring to fig. 1 to 5, a combustion apparatus is applied to a coating machine oven, and includes a natural gas linear combustor 1, a first housing 2 and a second housing 3, a combustion chamber 4 of the natural gas linear combustor 1 is formed in the first housing 2, the second housing 3 is sleeved outside the first housing 2, an air channel 5 is formed between the second housing 3 and the first housing 2, a first air inlet 31 is formed on the second housing 3, a second air inlet 21 is formed on the first housing 2, and the combustion chamber 4, the second air inlet 21, the air channel 5 and the first air inlet 31 are sequentially communicated. Still be equipped with air duct 5 through combustion apparatus's combustion chamber 4 outward, double-deck combustion chamber 4 structure promptly, can make the heat of 4 walls in combustion chamber distribute away again through the interlayer on the one hand, on the other hand is because combustion chamber 4, second air intake 21, air duct 5 and first air intake 31 communicate in proper order, can make external fresh air supply advance combustion chamber 4 and reduce flame temperature, can be used to solve current combustion apparatus and influence the problem of coating quality because of hot-blast high temperature in combustion chamber 4. Wherein, the natural gas linear burner 1 and the first and second casings 2 and 3 can be installed on both sides of a mounting plate 9.

In the embodiment of the present invention, the first casing 2 includes a first section 22 and a second section 23, the second section 23 is far away from the natural gas linear burner 1 relative to the first section 22, the second section 23 is located outside the air channel 5, the second air inlet 21 is opened in the first section 22, and the second section 23 is opened with the third air inlet 24. The second air inlets 21 are uniformly distributed on the first section 22, and the third air inlets 24 are uniformly distributed on the second section 23. That is, the first section 22 and the second air inlet 21 are disposed at a position close to the natural gas linear combustor 1, so as to cool the root/middle position of the flame in the combustion chamber 4, and the second section 23 and the third air inlet 24 are disposed at a position far away from the natural gas linear combustor 1, so as to cool the top position of the flame in the combustion chamber 4.

The embodiment of the present invention provides an embodiment, the combustion apparatus further includes an end plate 6 and a channel sealing plate 7, the end plate 6 and the first housing 2 surround to form the combustion chamber 4, the end plate 6 is close to the third air inlet 24, the fourth air inlet 61 has been opened on the end plate 6, and the channel sealing plate 7 is connected between the first section 22 and the second section 23 to the first housing 2 and the second housing 3. Wherein, the channel closing plate 7 is evenly provided with vent holes 71.

In the embodiment of the present invention, the first casing 2 and the second casing 3 can be both configured as a rectangular frame, and the first air inlet 31 is disposed on one side of the second casing 3. Furthermore, a channel support plate 8 may be provided, the channel support plate 8 being located outside a corner of the first section 22 for supporting the second housing 3 to prevent local deformation of the second housing 3 affecting the air intake effect of the air channel 5. Wherein the first housing 2 may also be configured as a corner-cut rectangular frame.

At the during operation, the natural gas combustor burning, under the wind-force of burning fan, produce high temperature hot-blast (more than 600 ℃) in burning chamber 4, because the utility model discloses a natural gas linear combustion machine 1 and double-deck burning chamber 4 structure, as one of them implementation mode, linear combustion machine flame length can be about 550mm, mix 20% fresh air volume of burning fan amount of wind at the flame root (being equal to first section 22 of first casing 2 and being close to the relevant position of combustor), reduce flame temperature for the first time, mix burning fan amount of wind 30% fresh air volume at the flame middle part (being equal to first section 22 of first casing 2 and being close to the relevant position of second section 23), reduce flame temperature for the second time, at the flame top (being equal to the relevant position of second section 23 of first casing 2) burning fan amount of wind 50% fresh air volume, reduce flame temperature for the third time, hot-blast temperature this moment is about 270 degrees. In order to ensure the air quantity ratio, the area of each air inlet may be limited, for example, the total area of the third air inlet 24 is set to be equal to the total area of the second air inlet 21.

The utility model discloses another aspect still provides a coating machine oven, including foretell burner. The first air inlet 31 formed in one side of the second housing 3 may be configured to communicate with the outside of the coating machine oven, so as to introduce outside fresh cool air.

Further, the oven blower and the combustion device are arranged at intervals. Because the oven blower and the combustion device are arranged at intervals, the air can be mixed with the return air pumped from the oven for the fourth time when entering the discharge opening of the oven blower, so that the temperature is reduced to 220 ℃ and the air is sent to the air box.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a combustion apparatus, is applied to coating machine oven, its characterized in that, includes natural gas linear combustion machine (1), first casing (2) and second casing (3), form in first casing (2) combustion chamber (4) of natural gas linear combustion machine (1), second casing (3) cover is located outside first casing (2), second casing (3) with form air duct (5) between first casing (2), first air intake (31) have been seted up on second casing (3), second air intake (21) have been seted up on first casing (2), combustion chamber (4) second air intake (21) air duct (5) with first air intake (31) communicate in proper order.

2. A combustion unit as in claim 1, wherein the first casing (2) comprises a first section (22) and a second section (23), the second section (23) being remote from the natural gas linear burner (1) with respect to the first section (22), the second section (23) being located outside the air channel (5), the second air inlet (21) being open at the first section (22), the second section (23) being open at a third air inlet (24).

3. A combustion device as claimed in claim 2, further comprising an end plate (6), wherein said end plate (6) and said first casing (2) surround to form said combustion chamber (4), said end plate (6) is close to said third air inlet (24), and said end plate (6) is provided with a fourth air inlet (61).

4. A combustion unit according to claim 3, characterized in that said second inlet openings (21) are evenly distributed in said first section (22) and said third inlet openings (24) are evenly distributed in said second section (23).

5. The combustion device as claimed in claim 4, wherein the first casing (2) and the second casing (3) are both rectangular frames, and one surface of the second casing (3) is provided with the first air inlet (31).

6. A combustion unit according to claim 5, further comprising a passage closure plate (7), said passage closure plate (7) connecting said first (2) and second (3) housings between said first (22) and second (23) sections.

7. A burner unit as claimed in claim 6, characterised in that said channel closing plate (7) is uniformly provided with ventilation holes (71).

8. A combustion unit according to claim 6, further comprising a channel support plate (8), said channel support plate (8) being located outside the corners of said first section (22), said channel support plate (8) being adapted to support said second housing (3).

9. A coater oven characterized by comprising the combustion apparatus of any one of claims 1 to 8.

10. The coater oven of claim 9, further comprising an oven blower, wherein the oven blower and the combustion device are spaced apart.

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