CN214333393U - Honeycomb masonry structure of heating furnace - Google Patents
Honeycomb masonry structure of heating furnace Download PDFInfo
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- CN214333393U CN214333393U CN202120508369.9U CN202120508369U CN214333393U CN 214333393 U CN214333393 U CN 214333393U CN 202120508369 U CN202120508369 U CN 202120508369U CN 214333393 U CN214333393 U CN 214333393U
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- honeycomb body
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Abstract
The utility model relates to the field of industrial furnace masonry, in particular to a heating furnace honeycomb masonry structure, which comprises a multilayer masonry structure, wherein the bottom of the masonry structure is provided with a zirconium-containing ceramic fiber blanket; the masonry structure sequentially comprises a zirconia corundum baffle brick layer, a high heat storage honeycomb body layer and a chrome corundum mullite honeycomb body layer from a high-temperature side to a low-temperature side, and a top brick of the chrome corundum mullite honeycomb body layer is a high heat storage honeycomb body. The utility model discloses can effectively solve the cracked condition of honeycomb body shrink, eliminate the flue gas stove and flow bias, stabilize the exhaust gas temperature, improve heat recovery efficiency, prolong the life-span of honeycomb body.
Description
Technical Field
The utility model relates to an industrial furnace builds by laying bricks or stones the field, specifically is a heating furnace honeycomb masonry structure.
Background
At present, the honeycomb body has the advantages of large specific surface area, strong heat storage capacity, small resistance coefficient and the like and is widely applied to the production of industrial kilns, but in the actual use process, the conditions of shrinkage and fragmentation of the honeycomb body are often found, and particularly the honeycomb body at the uppermost layer close to the burner breaks seriously. The honeycomb body can be caused to destroy in batches after the honeycomb body shrinks and breaks, the service life of the honeycomb body is reduced, the honeycomb body needs to be shut down and built again, the labor intensity of workers is increased, and the production is influenced. Meanwhile, the heat recovery efficiency is only 75% due to the damage of the honeycomb body, and the exhaust gas temperature reaches 241 ℃ for a long time, so that the heating furnace pipe valve and other equipment are damaged.
In conclusion, how to solve the problems of honeycomb body shrinkage and fragmentation, improve the service life of the honeycomb body, eliminate the bias flow of smoke in the furnace, stabilize the smoke discharge temperature, improve the heat recovery efficiency and reduce the labor intensity of workers is a technical problem to be solved by technical personnel in the industry.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an improve honeycomb body life, eliminate the interior flue gas bias flow of stove, stabilize the exhaust gas temperature, improve heat recovery efficiency's heating furnace honeycomb masonry structure.
The utility model adopts the following technical scheme:
a honeycomb masonry structure of a heating furnace comprises a multi-layer masonry structure, wherein a zirconium-containing ceramic fiber blanket is arranged at the bottom of the masonry structure; the masonry structure sequentially comprises a zirconia corundum baffle brick layer, a high heat storage honeycomb body layer and a chrome corundum mullite honeycomb body layer from a high-temperature side to a low-temperature side, and a top brick of the chrome corundum mullite honeycomb body layer is a high heat storage honeycomb body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a cracked condition of honeycomb body shrink can effectively be solved to the structure, eliminates the flue gas stove and flows bias, and the temperature of steadily discharging fume improves the rate of heat recovery, prolongs the life of honeycomb body moreover, reduces the change number of times and the change quantity of honeycomb body.
Furthermore, the preferred mode of the present invention is:
the masonry structure is provided with nine layers, the first layer is a zirconia corundum baffle brick layer, the second layer is a high heat storage honeycomb body layer constructed in a staggered manner, the third to ninth layers are chromium corundum mullite honeycomb body layers constructed in a staggered manner, and the top bricks of the third to ninth layers are high heat storage honeycomb body layers respectively.
And a gasket is arranged below the high heat storage honeycomb bodies on the tops of the second layer to the ninth layer.
The thickness of the zirconium-containing ceramic fiber blanket is 8-10 mm.
The thickness of the gasket is 10-30 mm, and the material is chrome corundum mullite.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a masonry structure of a first zirconia-corundum baffle brick layer;
FIG. 3 is a schematic masonry structure diagram of a second high thermal storage honeycomb layer;
FIG. 4 is a schematic view of a third to nine layers of chrome corundum mullite honeycomb layer masonry structure;
in the figure: a zirconia corundum baffle brick 1; a high heat storage honeycomb body 2; a chrome corundum mullite honeycomb body 3; a gasket 4; zirconium-containing ceramic fiber blanket 5.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
A heating furnace honeycomb masonry structure comprises nine layers of masonry structures, wherein a first layer to a ninth layer are built layer by layer from a high temperature side to a low temperature side, each layer is built from bottom to top during building, the first layer is built by zirconium corundum baffle bricks 1, the second layer is built by staggered joint of high heat storage honeycomb bodies 2, the third layer to the ninth layer except top bricks are all built by staggered joint of chromium corundum mullite honeycomb bodies 3, the top bricks of the third layer to the ninth layer are built by high heat storage honeycomb bodies 2 which are the same as the second layer, and in order to ensure the contact tightness of the top bricks, gaskets 4 are wedged below the top bricks of the second layer to the ninth layer during building.
In the embodiment, fire clay is adopted for filling joints in the gaps of the nine-layer masonry structure and between the high heat storage honeycomb layer and the heating furnace body in the masonry process.
In order to ensure that the bottom of the masonry structure is tightly contacted, 8-10 mm of zirconium-containing ceramic fiber blankets 5 are laid at the bottoms of the first layer to the ninth layer, in the embodiment, the zirconium-containing ceramic fiber blankets 5 are 10mm and are gradually compacted to 8mm in the masonry process.
The size of the baffle brick made of the zirconia alumina material is 300mm multiplied by 150mm multiplied by 100mm, and the baffle brick made of the zirconia alumina material is tough, good in melt erosion resistance and good in fire resistance.
The high heat storage honeycomb bodies 2 have the dimensions of 100mm × 100mm × 100mm and 150mm × 100mm × 100mm, and the high heat storage honeycomb bodies 2 of two sizes are constructed by staggering.
The chrome corundum mullite honeycomb body 3 has the dimensions of 100mm multiplied by 100mm and 150mm multiplied by 100mm, and the chrome corundum mullite honeycomb body 3 with two dimensions is staggeredly built during building.
The gasket 4 is made of chrome corundum material with the size of 120mm multiplied by 100mm, the thickness is 10-30 mm, and in the embodiment, the thickness is 10 mm.
The utility model discloses in, after the honeycomb body that is close to nozzle department in the superiors adopts high heat accumulation honeycomb body 2, high heat accumulation honeycomb body shrink, cracked condition is obviously eliminated, discover high heat accumulation honeycomb body 2 still intact harmless during the maintenance, high heat accumulation honeycomb body shrink, after the cracked condition is eliminated, the flue gas bias flow can be solved, exhaust gas temperature keeps at 110 ℃, the thermal efficiency is up to 90%, high heat accumulation honeycomb body life has original 4 months to prolong to 1 year, high heat accumulation honeycomb body is changed and is reduced 5~20 at every turn by original 100 at every turn.
The above is only the concrete embodiments of the present invention, but the protection of the present invention is not limited to this, and all the equivalent changes or replacements proposed to the technical features of the present technical solution, which can be considered by those skilled in the art, are included in the protection scope of the present invention.
Claims (5)
1. A heating furnace honeycomb masonry structure comprises a multi-layer masonry structure and is characterized in that: a zirconium-containing ceramic fiber blanket is arranged at the bottom of the masonry structure; the masonry structure sequentially comprises a zirconia corundum baffle brick layer, a high heat storage honeycomb body layer and a chrome corundum mullite honeycomb body layer from a high-temperature side to a low-temperature side, and a top brick of the chrome corundum mullite honeycomb body layer is a high heat storage honeycomb body.
2. A heating furnace honeycomb masonry structure according to claim 1, characterized in that: the masonry structure is provided with nine layers, the first layer is a zirconia corundum baffle brick layer, the second layer is a high heat storage honeycomb body layer constructed in a staggered manner, the third to ninth layers are chromium corundum mullite honeycomb body layers constructed in a staggered manner, and the top bricks of the third to ninth layers are high heat storage honeycomb body layers respectively.
3. A heating furnace honeycomb masonry structure according to claim 2, characterized in that: and a gasket is arranged below the high heat storage honeycomb bodies on the tops of the second layer to the ninth layer.
4. A heating furnace honeycomb masonry structure according to claim 1, characterized in that: the thickness of the zirconium-containing ceramic fiber blanket is 8-10 mm.
5. A heating furnace honeycomb masonry structure according to claim 1, characterized in that: the thickness of the gasket is 10-30 mm, and the material is chrome corundum mullite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508369.9U CN214333393U (en) | 2021-03-10 | 2021-03-10 | Honeycomb masonry structure of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508369.9U CN214333393U (en) | 2021-03-10 | 2021-03-10 | Honeycomb masonry structure of heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214333393U true CN214333393U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120508369.9U Active CN214333393U (en) | 2021-03-10 | 2021-03-10 | Honeycomb masonry structure of heating furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN214333393U (en) |
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2021
- 2021-03-10 CN CN202120508369.9U patent/CN214333393U/en active Active
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