CN216047658U - Composite infrared radiation plate, infrared burner and combined burner - Google Patents

Abstract

The invention relates to a composite infrared radiation plate, an infrared burner and a combined burner. The first metal layer includes a first coarse mesh and a first intermediate mesh superimposed. The second metal layer includes a second coarse mesh or a second intermediate mesh. The third metal layer comprises a dense net and a third coarse net which are stacked or the dense net and the first porous plate which are stacked, and the dense net is arranged above. Compared with the prior radiation plate, the radiation plate is additionally provided with the second ceramic layer and the third metal layer, the first metal layer is formed by overlapping a first coarse mesh and a first middle mesh, and the third metal layer is formed by overlapping a third coarse mesh and a dense mesh or a dense mesh and a first porous plate, wherein the meshes forming the metal layer are coarse, medium and dense, and the tempering can be better prevented and the combustion effect can be better improved by gradually stepping layer by layer compared with the prior art.

Description

Composite infrared radiation plate, infrared burner and combined burner

Technical Field

The invention relates to a radiation plate of a stove, in particular to a composite infrared radiation plate, an infrared burner and a combined burner.

Background

The infrared burner has the characteristics of quiet combustion and high heat utilization rate. The combustion surface of the combustion chamber is generally a porous ceramic plate which is generally composed of a plurality of plates, the processing is complex, the maintenance is inconvenient, and metal fiber felt cloth is also used, but the metal fiber is expensive, and the market acceptance is difficult.

The chinese licensed utility model 202020934101.7 discloses a "composite infrared radiation plate and its combined burner" which is easy to process, has good heat-insulating property, can prevent backfire, and can improve the combustion heat utilization rate; however, the effects of preventing backfire and improving the combustion heat utilization efficiency are not good enough.

Disclosure of Invention

The object of the present invention is to improve and innovate the drawbacks and problems of the background art and to provide a composite infrared radiation panel, an infrared burner and a composite burner which are more resistant to backfire and have improved combustion effect (i.e., improved combustion heat utilization rate).

A composite infrared radiation plate comprises a first metal layer, a first ceramic layer, a second metal layer, a second ceramic layer and a third metal layer which are sequentially stacked from top to bottom or from outside to inside. The first metal layer comprises a first coarse mesh and a first medium mesh which are superposed.

The second metal layer includes a second coarse mesh or a second intermediate mesh.

The third metal layer comprises a dense net and a third coarse net which are stacked, or the dense net and the first porous plate which are stacked, and the dense net is arranged above the third metal layer.

In one embodiment, the first metal layer is ferrochrome or 310s heat resistant stainless steel. The first coarse net and the first middle net are welded into a whole. The surface of the first metal layer and the upper surface of the first ceramic layer are sprayed or dipped with high-temperature radiation resistant paint.

In one embodiment, the first ceramic layer is a zirconium-containing cotton, or a chromium-containing cotton, or a porous ceramic plate.

In one embodiment, the second metal layer is stainless steel, or a second perforated plate.

In one embodiment, the second ceramic layer is aluminum silicate cotton, zirconium-containing cotton, or chromium-containing cotton.

In one embodiment, a high-temperature-resistant positioning column or a high-temperature-resistant positioning nail is arranged among the first metal layer, the first ceramic layer, the second metal layer, the second ceramic layer and the third metal layer.

In one embodiment, the thickness of the second metal layer is 0.2mm to 2 mm.

More preferably, the thickness of the second metal layer is 0.5 mm-1 mm.

An infrared burner comprises the composite infrared radiation plate and a shell, wherein the composite infrared radiation plate is embedded into the shell, a gap is formed between the inner surface of the bottom of the shell and the bottom surface of the composite infrared radiation plate, and an air inlet communicated with the gap is formed in the center of the bottom of the shell.

The infrared burner is a flat plate, or a conical, or an arc, or a spherical, or an internal-spraying cylindrical burner, or an external-spraying cylindrical burner;

the flat plate is polygonal or circular.

In one embodiment, the infrared burner is a blast burner or a self-priming burner.

A combined burner comprises a plurality of infrared ray burners.

The invention has the advantages and beneficial effects that:

the metal strength of the invention is easy to process, the ceramic fiber product can change shape with the metal, the heat insulation performance is good, the tempering can be prevented, and the high temperature radiation resistant coating and the metal layer reduce the heat loss and improve the heat utilization rate; meanwhile, compared with the existing radiation plate, the radiation plate is additionally provided with the second ceramic layer and the third metal layer, the first metal layer is formed by overlapping a first coarse mesh and a first middle mesh, and the third metal layer is formed by overlapping a third coarse mesh and a dense mesh or a dense mesh and a first porous plate, wherein the meshes forming the metal layer are coarse, medium and dense, and the meshes are gradually increased layer by layer, so that the radiation plate can better prevent tempering and improve the combustion effect compared with the prior art.

Drawings

FIG. 1 is a schematic structural view of example 1.

Fig. 2 is a schematic diagram of an explosive structure of example 1.

Fig. 3 is another schematic diagram of the explosive structure of example 1.

FIG. 4 is a schematic structural view of embodiment 2.

FIG. 5 is a schematic view of a cut-away part of the structure of example 2.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed" on another element, it can be directly disposed or attached to the other element or intervening elements may also be present. The terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

Referring to fig. 1 to 3, a composite infrared radiation plate includes a first metal layer 1, a first ceramic layer 2, a second metal layer 3, a second ceramic layer 4, and a third metal layer 5 stacked in sequence from top to bottom.

Wherein the first metal layer 1 comprises a first coarse mesh 11 and a first intermediate mesh 12, which are superimposed.

In this embodiment 1, the second metal layer 3 includes a second intermediate mesh 31.

In this embodiment 1, the third metal layer 5 includes a dense mesh 51 and a third coarse mesh 52 stacked, and the dense mesh 51 is above.

Wherein the first metal layer 1 is made of ferrochrome or 310s heat-resistant stainless steel. The first coarse mesh 11 and the first middle mesh 12 are welded into a whole. The surface of the first metal layer 1 and the upper surface of the first ceramic layer 2 are coated or dipped with high-temperature radiation resistant paint. Wherein, the first ceramic layer 2 is firstly subjected to high-temperature waterproof treatment and then sprayed or dip-coated with the high-temperature radiation resistant coating.

Wherein, the first ceramic layer 2 is zirconium-containing cotton, chromium-containing cotton or a porous ceramic plate.

Wherein the second metal layer 3 is stainless steel or a second porous plate.

Wherein, the second ceramic layer 4 is aluminum silicate cotton, zirconium-containing cotton or chromium-containing cotton.

Wherein the third metal layer 5 is stainless steel.

Specifically, a high-temperature-resistant positioning column or a high-temperature-resistant positioning nail is arranged among the first metal layer 1, the first ceramic layer 2, the second metal layer 3, the second ceramic layer 4 and the third metal layer 5.

In example 1, the thickness of the second metal layer 3 is 0.5mm to 1 mm.

It should be noted that: in other embodiments, the composite infrared radiation panel may further include a first metal layer 1, a first ceramic layer 2, a second metal layer 3, a second ceramic layer 4, and a third metal layer 5 stacked in sequence from outside to inside.

Example 2

Referring to fig. 1 to 5, an infrared burner includes a composite infrared radiation plate 6 and a housing 7 according to embodiment 1 as shown in fig. 4 and 5, the composite infrared radiation plate 6 is embedded in the housing 7, a gap 8 is formed between an inner surface of a bottom of the housing 7 and a bottom surface of the composite infrared radiation plate 6, and an air inlet hole 71 communicated with the gap 8 is formed at a center of the bottom of the housing 7. The air inlet hole 71 is externally connected with a mixing cavity or a mixing pipe.

The infrared burner is a flat plate, or a conical, or an arc, or a spherical, or an internal spray cylindrical burner, or an external spray cylindrical burner.

The flat plate is square.

The infrared burner is an air blast burner or a self-suction burner.

Example 3

A combination burner comprising a plurality of infrared burners of embodiment 2; the standardized production is convenient, and the burners with different powers can be conveniently combined.

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 are included in the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.

Claims (10)

1. A composite infrared radiation plate is characterized by comprising a first metal layer, a first ceramic layer, a second metal layer, a second ceramic layer and a third metal layer which are sequentially stacked from top to bottom or from outside to inside;

the first metal layer comprises a first coarse mesh and a first medium mesh which are superposed;

the second metal layer comprises a second coarse mesh or a second intermediate mesh;

the third metal layer comprises a dense net and a third coarse net which are stacked, or the dense net and the first porous plate which are stacked, and the dense net is arranged above the third metal layer.

2. The composite infrared radiation panel of claim 1, wherein the first metal layer is ferrochrome or 310s heat resistant stainless steel;

the first coarse mesh and the first middle mesh are welded into a whole;

the surface of the first metal layer and the upper surface of the first ceramic layer are sprayed or dipped with high-temperature radiation resistant paint.

3. The composite infrared radiation panel of claim 1, wherein the first ceramic layer is a zirconium-containing cotton, or a chromium-containing cotton, or a porous ceramic plate.

4. The composite infrared radiation panel of claim 1, wherein the second metal layer is stainless steel or a second porous sheet.

5. The composite infrared radiation panel of claim 1, wherein the second ceramic layer is aluminum silicate wool, zirconium-containing wool, or chromium-containing wool.

6. The composite infrared radiation panel as claimed in claim 1, wherein a high temperature-resistant positioning post or a high temperature-resistant positioning nail is disposed between the first metal layer, the first ceramic layer, the second metal layer, the second ceramic layer and the third metal layer.

7. The composite infrared radiation panel of claim 1, wherein the thickness of the second metal layer is 0.2mm to 2 mm.

8. An infrared burner, characterized by comprising the compound infrared radiant panel and outer cover of any claim 1 to 7, said compound infrared radiant panel imbeds in the outer cover, and there is a space between bottom inner surface of the outer cover and bottom surface of the compound infrared radiant panel, the centre of the outer cover bottom offers the air intake communicated with space;

the infrared burner is a flat plate, or a conical, or an arc, or a spherical, or an internal-spraying cylindrical burner, or an external-spraying cylindrical burner;

the flat plate is polygonal or circular.

9. The infrared burner as set forth in claim 8, wherein the infrared burner is a blast burner or a self-priming burner.

10. A combination burner comprising a plurality of infrared burners as claimed in claim 8.

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