CN215676453U - Composite hearth - Google Patents
Composite hearth Download PDFInfo
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- CN215676453U CN215676453U CN202122188224.8U CN202122188224U CN215676453U CN 215676453 U CN215676453 U CN 215676453U CN 202122188224 U CN202122188224 U CN 202122188224U CN 215676453 U CN215676453 U CN 215676453U
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Abstract
The invention relates to a composite hearth, which comprises a hearth and a composite layer, wherein the composite layer is arranged on the whole inner side surface of the hearth or the upper part of the inner side surface of the hearth. The composite layer comprises a combination of at least two of a substrate layer, a high-temperature-resistant heat-insulating layer and a high-temperature-resistant protective layer. The invention integrates the functions of beauty, lightness, energy saving, durability and low noise. Due to the design of the composite layer, the hearth of the invention is designed to be thinner than the hearth of the prior art (the thickness of the stainless steel hearth of the invention is 1-2 mm, and the thickness of the cast iron hearth of the invention is 3-6 mm), so the cost is low; and the design of the composite layer: firstly, heat preservation and insulation can be realized, and the service life of a hearth is prolonged; the second can play the effect of reflector, increases the radiation area, improves the thermal efficiency, and energy-conserving and noise are low more.
Description
Technical Field
The invention relates to the technical field of hearths, in particular to a composite hearth.
Background
The inner side of the existing hearth has high temperature, and a common hearth is made of nodular cast iron or stainless steel. However, cast iron hearths are generally required to be made to be 7-9 mm thick, even more than 12mm in good quality, so that the hearths are heavy, and the cast iron hearths are easy to damage at high temperature and short in service life; however, in the prior art, the whole furnace chamber is made of better stainless steel, such as 2520 stainless steel (also called 310s stainless steel), and the thickness of the stainless steel furnace chamber is 2-4 mm, however, the furnace chamber made of 2520 stainless steel has high cost, more than 200 yuan and short service life, and therefore, due to the double restrictions of price and service life, the 2520 stainless steel furnace chamber cannot be popularized among users.
Disclosure of Invention
The invention aims to provide a composite hearth which is thin, reduces the cost, is not easy to damage and prolongs the service life, aiming at the defects of the prior hearth in the background technology, such as very thick and heavy hearth, high temperature and easy damage, high cost, short service life and the like.
A composite hearth comprises a hearth and a composite layer, wherein the composite layer is arranged on the whole inner side surface of the hearth or the upper part of the inner side surface of the hearth.
The composite layer comprises a combination of at least two of a substrate layer, a high-temperature-resistant heat-insulating layer and a high-temperature-resistant protective layer. When the composite layer comprises the substrate layer and the high-temperature-resistant heat-insulating layer, the substrate layer is arranged on the inner side surface of the hearth and is high-resistant
The temperature insulating layer is arranged on the inner side surface of the base material layer.
When the composite layer includes the substrate layer and high temperature resistant protective layer, the substrate layer sets up the medial surface at furnace, and high temperature resistant protective layer sets up the medial surface at the substrate layer.
When the composite layer comprises the high-temperature-resistant heat-insulating layer and the high-temperature-resistant protective layer, the high-temperature-resistant heat-insulating layer is arranged on the inner side surface of the hearth, and the high-temperature-resistant protective layer is arranged on the inner side surface of the high-temperature-resistant heat-insulating layer.
When the composite bed includes substrate layer, high temperature resistant insulating layer, high temperature resistant protective layer, the substrate layer sets up the medial surface at furnace, and high temperature resistant insulating layer sets up the medial surface at the substrate layer, and high temperature resistant protective layer sets up the medial surface at high temperature resistant insulating layer.
In one embodiment, a fire disturbing ring is arranged at the bottom in the hearth corresponding to the outside of the furnace end, and a composite layer is also arranged on the inner side surface of the fire disturbing ring.
In one embodiment, the furnace is a stainless steel furnace or a cast iron furnace.
In one embodiment, the thickness of the stainless steel hearth is 1-2 mm, and the thickness of the cast iron hearth is 3-6 mm.
In one embodiment, the high-temperature-resistant heat insulation layer is a zirconium-containing cotton layer, a chromium-containing cotton layer, a polycrystalline mullite layer, a light high-temperature-resistant coating or an aluminum silicate cotton layer.
In one embodiment, the high temperature resistant protective layer is a 310s stainless steel layer, or a nickel-based alloy layer, or an iron-chromium-aluminum alloy layer;
the high-temperature resistant protective layer is of a plate structure, a net structure or a porous plate structure.
In one embodiment, the outer surface of the high-temperature resistant protective layer is sprayed with infrared high-temperature paint.
In one embodiment, a heat-insulating layer is arranged on the outer side surface of the hearth, and a heat-insulating shell is arranged on the outer side surface of the heat-insulating layer.
In one embodiment, the inner diameter of the hearth is 350mm, and the inner diameter of the composite layer is 300-330 mm.
In one embodiment, the inner diameter of the hearth is 370mm, and the inner diameter of the composite layer is 300-350 mm.
The invention has the advantages and beneficial effects that:
the invention integrates the functions of beauty, lightness, energy saving, durability and low noise.
Due to the design of the composite layer, the hearth of the invention is designed to be thinner than the hearth of the prior art (the thickness of the stainless steel hearth of the invention is 1-2 mm, and the thickness of the cast iron hearth of the invention is 3-6 mm), so the cost is low; and the design of the composite layer: firstly, heat preservation and insulation can be realized, and the service life of a hearth is prolonged; the second can play the effect of reflector, increases the radiation area, improves the thermal efficiency, and energy-conserving and noise are low more. The infrared high-temperature coating is sprayed on the outer surface of the high-temperature resistant protective layer, so that waste heat can be further absorbed and returned to the bottom of the boiler, the heat efficiency is improved, and the service life of the hearth is prolonged. The zirconium-containing cotton layer, the chromium-containing cotton layer, the polycrystalline mullite layer, the light high-temperature-resistant coating and the aluminum silicate cotton layer can reduce noise.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a front sectional view of embodiment 1.
FIG. 3 is a front sectional view of embodiment 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 and 2, a composite hearth includes a hearth 1 and a composite layer 2. In the present example 1, as shown in fig. 2, the composite layer 2 is provided on the upper portion of the inner surface of the furnace 1.
In this embodiment 1, the composite layer 2 includes a high temperature resistant thermal insulation layer 21 and a high temperature resistant protective layer 22 as shown in fig. 2.
Specifically, the high-temperature-resistant heat-insulating layer 21 is arranged on the inner side surface of the hearth 1, and the high-temperature-resistant protective layer 22 is arranged on the inner side surface of the high-temperature-resistant heat-insulating layer 21.
Wherein, the hearth 1 is a stainless steel hearth.
Specifically, the thickness of the stainless steel hearth is 1.5 mm.
Wherein, the high temperature resistant insulating layer 21 is a zirconium-containing cotton layer.
Specifically, the high temperature resistant protective layer 22 is a 310s stainless steel layer. The high temperature resistant protective layer 22 is a mesh structure.
Wherein, the outer surface of the high temperature resistant protective layer 22 is sprayed with infrared high temperature paint.
Specifically, the outer side surface of the hearth 1 is provided with a heat insulation layer 3, and the outer side surface of the heat insulation layer 3 is provided with a heat insulation shell 4.
In this example 1, the inner diameter of the furnace 1 is 350mm, and the inner diameter of the composite layer 2 is 330 mm.
Example 2
As shown in fig. 3, the present embodiment 2 is different from the embodiment 1 only in that: as shown in fig. 3, in this embodiment 2, a fire disturbing ring 6 is further disposed at the bottom of the furnace chamber 1 corresponding to the burner 5, and the composite layer 2 is also disposed on the inner side surface of the fire disturbing ring 6.
It should be noted that:
the composite layer 2 may be of a split or monolithic construction. The hearth 1 can be a stainless steel hearth or a cast iron hearth, and can also be a hearth made of other materials. The high-temperature-resistant heat-insulating layer 21 can be a zirconium-containing cotton layer, a chromium-containing cotton layer, a polycrystalline mullite layer, a light high-temperature-resistant coating or an aluminum silicate cotton layer and can also be a product thereof. The high temperature resistant protective layer 22 may be other high temperature resistant metals or other alloys besides a 310s stainless steel layer, or a nickel-based alloy layer, or an iron-chromium-aluminum alloy layer.
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 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 hearth is characterized by comprising a hearth and a composite layer, wherein the composite layer is arranged on the whole inner side surface of the hearth or the upper part of the inner side surface of the hearth;
the composite layer comprises a combination of at least two of a substrate layer, a high-temperature-resistant heat-insulating layer and a high-temperature-resistant protective layer;
when the composite layer comprises the substrate layer and the high-temperature-resistant heat-insulating layer, the substrate layer is arranged on the inner side surface of the hearth, and the high-temperature-resistant heat-insulating layer is arranged on the inner side surface of the substrate layer;
when the composite layer comprises a substrate layer and a high-temperature-resistant protective layer, the substrate layer is arranged on the inner side surface of the hearth, and the high-temperature-resistant protective layer is arranged on the inner side surface of the substrate layer;
when the composite layer comprises the high-temperature-resistant heat-insulating layer and the high-temperature-resistant protective layer, the high-temperature-resistant heat-insulating layer is arranged on the inner side surface of the hearth, and the high-temperature-resistant protective layer is arranged on the inner side surface of the high-temperature-resistant heat-insulating layer;
when the composite bed includes substrate layer, high temperature resistant insulating layer, high temperature resistant protective layer, the substrate layer sets up the medial surface at furnace, and high temperature resistant insulating layer sets up the medial surface at the substrate layer, and high temperature resistant protective layer sets up the medial surface at high temperature resistant insulating layer.
2. The composite hearth according to claim 1, wherein a flame disturbing ring is arranged at the bottom of the hearth corresponding to the outside of the furnace end, and a composite layer is also arranged on the inner side surface of the flame disturbing ring.
3. The composite hearth according to claim 1, characterized in that said hearth is a stainless steel hearth or a cast iron hearth.
4. The composite hearth according to claim 3, wherein the thickness of the stainless steel hearth is 1-2 mm, and the thickness of the cast iron hearth is 3-6 mm.
5. The composite hearth according to claim 1, wherein the high temperature resistant heat insulation layer is a zirconium-containing cotton layer, a chromium-containing cotton layer, a polycrystalline mullite layer, a light high temperature resistant coating, or an aluminum silicate cotton layer.
6. The composite hearth according to claim 1, wherein the high temperature resistant protective layer is a 310s stainless steel layer, or a nickel-based alloy layer, or an iron-chromium-aluminum alloy layer;
the high-temperature resistant protective layer is of a plate structure, a net structure or a porous plate structure.
7. The composite hearth according to claim 1, wherein the outer surface of the high temperature resistant protective layer is sprayed with an infrared high temperature paint.
8. The composite hearth according to claim 1, characterized in that an insulating layer is arranged on the outer side surface of the hearth, and an insulating shell is arranged on the outer side surface of the insulating layer.
9. The composite hearth according to claim 1, characterized in that the inside diameter of the hearth is 350mm, and the inside diameter of the composite layer is 300-330 mm.
10. The composite hearth according to claim 1, characterized in that the inside diameter of the hearth is 370mm, and the inside diameter of the composite layer is 300-350 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122188224.8U CN215676453U (en) | 2021-09-10 | 2021-09-10 | Composite hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122188224.8U CN215676453U (en) | 2021-09-10 | 2021-09-10 | Composite hearth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215676453U true CN215676453U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122188224.8U Active CN215676453U (en) | 2021-09-10 | 2021-09-10 | Composite hearth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215676453U (en) |
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2021
- 2021-09-10 CN CN202122188224.8U patent/CN215676453U/en active Active
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