CN203501788U - Arc-arch-top furnace lining of zirconium fiber structure - Google Patents
Arc-arch-top furnace lining of zirconium fiber structure Download PDFInfo
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- CN203501788U CN203501788U CN201320618378.9U CN201320618378U CN203501788U CN 203501788 U CN203501788 U CN 203501788U CN 201320618378 U CN201320618378 U CN 201320618378U CN 203501788 U CN203501788 U CN 203501788U
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- zirconium matter
- zirconium
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Abstract
The utility model discloses an arc-arch-top furnace lining of a zirconium fiber structure. The arc-arch-top furnace lining comprises a polycrystalline mullite-based composite fiber brick upper enclosure and an arch-top steel shell which is arranged on the polycrystalline mullite-based composite fiber brick upper enclosure, the polycrystalline mullite-based composite fiber brick upper enclosure is constructed on a furnace wall, a zirconium fiber layer is arranged on the inner surface of the arch-top steel shell, zirconium fiber assemblies are spliced to form the zirconium fiber layer, and zirconium fiber sheets are assembled to form the zirconium fiber assemblies. According to the arc-arch-top furnace lining, the upper enclosure of the arc-arch-top furnace lining is constructed by using polycrystalline mullite-based composite fiber bricks, the arc arch top of the arc-arch-top furnace lining is constructed by splicing the zirconium fiber assemblies, and therefore the combined structure of polycrystalline mullite-based composite fibers and zirconium fibers is formed, and cost is reduced greatly; meanwhile, the volume weight of the zirconium fibers is 0.22t/m<3>, the zirconium fibers have a low heat conductivity coefficient and good thermal shock resistance, and therefore energy consumption can be reduced effectively, high-temperature air currents can be effectively prevented from penetrating through the zirconium fiber layer, and service life of the arc-arch-top furnace lining is prolonged. The arc-arch-top furnace lining is suitable for industrial furnaces.
Description
Technical field
The utility model relates to a kind of industrial furnace liner, refers to particularly a kind of circular arc vault furnace lining of zirconium matter fibre structure.
Background technology
At present, the furnace lining of type furnace outer cover is mostly circular arc vault furnace lining, and it generally adopts laying fireproof bricks, but because refractory brick thermal conductivity is high, density is large and heat impact strength is poor, so in use energy consumption is large for this bell furnace; Meanwhile, due to bell furnace in use frequently handling and button unload, and refractory brick thermal shock resistance is poor, so high temperature gas flow very easily penetrates fire brick layer, the direct Vault Steel shell of scaling loss circular arc vault furnace lining, thus shortened service life of type furnace outer cover.
For saving the energy and extending service life of type furnace outer cover, some cold rolling mill adopts polycrystalline mullite based composite fibre brick integral body to build circular arc vault furnace lining by laying bricks or stones.Though this polycrystalline mullite based composite fibre brick can meet instructions for use, cost is very high; And when building circular arc vault by laying bricks or stones, must adopt the composite fibre brick of various abnormity to build by laying bricks or stones, like this, not only the construction period long, once and the skene arch of furnace lining eject existing damage, it is very inconvenient to keep in repair.
Summary of the invention
The purpose of this utility model is the deficiency existing in order to solve above-mentioned background technology, proposes that a kind of cost is low, the circular arc vault furnace lining of the zirconium matter fibre structure that can effectively reduce energy consumption and long service life.
For achieving the above object, the circular arc vault furnace lining of a kind of zirconium matter fibre structure that the utility model is designed, comprise and on the polycrystalline mullite based composite fibre brick of building by laying bricks or stones on furnace wall, enclose and be arranged on the Vault Steel shell of placing on described polycrystalline mullite based composite fibre brick, described Vault Steel inner surface of outer cover is provided with zirconium matter fibrage, described zirconium matter fibrage is assembled by zirconium matter fiber module, and described zirconium matter fiber module is assembled by zirconium matter fibre plate again.By with enclosing part on polycrystalline mullite based composite fibre brick masonry circular arc vault furnace lining, and divide with the skene arch top that circular arc vault furnace lining is built in zirconium matter fiber module splicing by laying bricks or stones, thereby the combining structure that forms polycrystalline mullite based composite fibre and zirconium matter fiber, like this, has reduced cost widely; Meanwhile, because zirconium fiber unit weight is 0.22t/m3, thermal conductivity factor is low, and thermal shock resistance is good, thus can effectively reduce energy consumption, and can effectively prevent that high temperature gas flow from penetrating zirconium matter fibrage, thus extended the service life of this furnace lining.
In such scheme, described Vault Steel inner surface of outer cover is provided with some for articulating the otic placode of described zirconium matter fiber module, and described zirconium matter fiber module is justified bar plug-in mounting by stainless steel and is articulated on described otic placode.By described otic placode and stainless steel circle bar, can easily described zirconium matter fiber module be arranged on described Vault Steel shell and form zirconium matter fibrage, shorten the construction period widely; And, when the skene arch top of furnace lining divides appearance to damage, only need to extract out the round bar of stainless steel of broken parts, the zirconium matter fiber module of damage is pulled down, and the zirconium matter fiber module more renewing, last with stainless steel circle bar, new zirconium matter fiber module is fixing again, safeguard very convenient.
In such scheme, between adjacent described zirconium matter fiber module, be provided with compensating plate, described compensating plate is arranged between the Mosaic face and otic placode of described zirconium matter fiber module.The compensating plate adding can compensate the splicing gap between adjacent described zirconium matter fiber module effectively, thereby has reduced further energy consumption.
In such scheme, described zirconium matter fiber module, along horizontal, the vertical alternative splicing of described Vault Steel inner surface of outer cover, like this, has not only reduced the fibrolaminar heat shrink amount of described zirconium matter, but also improved the fibrolaminar bulk strength of described zirconium matter, extended the service life of this furnace lining.
In such scheme, on described polycrystalline mullite based composite fibre brick, enclose with described zirconium matter fibrage inner surface and be respectively equipped with infrared radiation porous ceramics layer.Because the long-pending density of infrared radiation porous ceramics is 0.94g/cm3 and 0.95g/cm3, compression strength reaches 4.9MPa, and in the time of 300 ℃, thermal conductivity factor is 0.117W/m.K; The normal direction full Fa She of full infrared band Shuais≤and 0.90, so the infrared radiation porous ceramics layer adding can improve the fibrolaminar performance of described zirconium matter, extend its service life, and improve the bulk strength of this furnace lining, strengthen the radiant heat transfer of stove.
In such scheme, the thickness of described infrared radiation porous ceramics layer is at least 2mm.
The utility model has the advantage of:
1, by with enclosing part on polycrystalline mullite based composite fibre brick masonry circular arc vault furnace lining, and divide with the skene arch top that circular arc vault furnace lining is built in zirconium matter fiber module splicing by laying bricks or stones, thereby form the combining structure of polycrystalline mullite based composite fibre and zirconium matter fiber, reduced like this, widely cost;
2, because zirconium fiber unit weight is 0.22t/m3, thermal conductivity factor is low, and thermal shock resistance is good, thus can effectively reduce energy consumption, and can effectively prevent that high temperature gas flow from penetrating zirconium matter fibrage, thus extended the service life of this furnace lining;
3, by described otic placode and stainless steel circle bar, can easily described zirconium matter fiber module be arranged on described Vault Steel shell and form zirconium matter fibrage, shorten the construction period widely; And, when the skene arch top of furnace lining divides appearance to damage, only need to extract out the round bar of stainless steel of broken parts, the zirconium matter fiber module of damage is pulled down, and the zirconium matter fiber module more renewing, last with stainless steel circle bar, new zirconium matter fiber module is fixing again, safeguard very convenient;
4, the compensating plate adding can compensate the splicing gap between adjacent described zirconium matter fiber module effectively, thereby has reduced further energy consumption;
5, described zirconium matter fiber module, along horizontal, the vertical alternative splicing of described Vault Steel inner surface of outer cover, like this, has not only reduced the fibrolaminar heat shrink amount of described zirconium matter, but also has improved the fibrolaminar bulk strength of described zirconium matter, has extended the service life of this furnace lining;
6, the infrared radiation porous ceramics layer adding can improve the fibrolaminar performance of described zirconium matter, extends its service life, and improves the bulk strength of this furnace lining, the radiant heat transfer of strengthening stove.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of zirconium matter fiber module in the utility model;
Fig. 3 is the arrangement structural representation of zirconium matter fiber module in the utility model.
In figure: enclose 1 on polycrystalline mullite based composite fibre brick, Vault Steel shell 2, zirconium matter fibrage 3, zirconium matter fiber module 3a, zirconium matter fibre plate 3a1, steel band 3a2, otic placode 4, stainless steel circle bar 5, compensating plate 6, infrared radiation porous ceramics layer 7.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Embodiment: the circular arc vault furnace lining of zirconium matter fibre structure as shown in Figure 1, Figure 2 and Figure 3, comprise that on the polycrystalline mullite based composite fibre brick of building by laying bricks or stones on furnace wall, enclosing 1 encloses the Vault Steel shell 2 on 1 with being arranged on described polycrystalline mullite based composite fibre brick, described Vault Steel shell 2 inner surfaces are provided with zirconium matter fibrage 3, described zirconium matter fibrage 3 is assembled by zirconium matter fiber module 3a, and described zirconium matter fiber module 3a is assembled by zirconium matter fibre plate 3a1 again.Concrete, described zirconium matter fiber module 3a is formed by steel band 3a2 binding by zirconium matter fibre plate 3a1, certainly, also can directly zirconium matter fiber be made to the zirconium matter fiber module of block structure.By with enclosing part on polycrystalline mullite based composite fibre brick masonry circular arc vault furnace lining, and divide with the skene arch top that circular arc vault furnace lining is built in zirconium matter fiber module 3a splicing by laying bricks or stones, thereby form the combining structure of polycrystalline mullite based composite fibre and zirconium matter fiber, reduced like this, widely cost; Meanwhile, because zirconium fiber unit weight is 0.22t/m3, thermal conductivity factor is low, and thermal shock resistance is good, thus can effectively reduce energy consumption, and can effectively prevent that high temperature gas flow from penetrating zirconium matter fibrage 3, thus extended the service life of this furnace lining.
Particularly, described Vault Steel shell 2 inner surfaces are provided with some for articulating the otic placode 4 of described zirconium matter fiber module 3a, and described zirconium matter fiber module 3a justifies bar 5 plug-in mountings by stainless steel and is articulated on described otic placode 4.By described otic placode 4 and stainless steel circle bar 5, can easily described zirconium matter fiber module 3a be arranged on described Vault Steel shell 2 and form zirconium matter fibrage 3, shorten the construction period widely; And, when the skene arch top of furnace lining divides appearance to damage, only need to extract out the stainless steel circle bar 5 of broken parts, the zirconium matter fiber module 3a of damage is pulled down, and the zirconium matter fiber module 3a more renewing, last with stainless steel circle bar 5, new zirconium matter fiber module 3a is fixing again, safeguard very convenient.Described zirconium matter fiber module 3a is along horizontal, the vertical alternative splicing of described Vault Steel shell 2 inner surfaces, like this, not only reduce the heat shrink amount of described zirconium matter fibrage 3, but also improved the bulk strength of described zirconium matter fibrage 3, extended the service life of this furnace lining.
Between adjacent described zirconium matter fiber module 3a, be provided with compensating plate 6, this compensating plate 6 can adopt flexible flame-proof thermal insulation material, and described compensating plate 6 is arranged between the Mosaic face and otic placode 4 of described zirconium matter fiber module 3a.The compensating plate 6 adding can compensate the splicing gap between adjacent described zirconium matter fiber module 3a effectively, thereby has reduced further energy consumption.
On above-mentioned polycrystalline mullite based composite fibre brick, enclose 1 and described zirconium matter fibrage 3 inner surfaces be respectively equipped with infrared radiation porous ceramics layer 7, this infrared radiation porous ceramics layer 7 directly brushing on described polycrystalline mullite based composite fibre brick, enclose 1 and the inner surface of described zirconium matter fibrage 3 on.Because the long-pending density of infrared radiation porous ceramics (this material has been awarded patent right, and its patent No. is CN200710052597.4) is 0.94g/cm3 and 0.95g/cm3, compression strength reaches 4.9MPa, and in the time of 300 ℃, thermal conductivity factor is 0.117W/m.K; The normal direction full Fa She of full infrared band Shuais≤and 0.90, so the infrared radiation porous ceramics layer 7 adding can improve the performance of described zirconium matter fibrage 3, extend its service life, and improve the bulk strength of this furnace lining, strengthen the radiant heat transfer of stove.The thickness of described infrared radiation porous ceramics layer 7 is at least 2mm.
The utility model is by with enclosing part on polycrystalline mullite based composite fibre brick masonry circular arc vault furnace lining, and divide with the skene arch top that circular arc vault furnace lining is built in zirconium matter fiber module 3a splicing by laying bricks or stones, thereby form the combining structure of polycrystalline mullite based composite fibre and zirconium matter fiber, reduced like this, widely cost; Because zirconium fiber unit weight is 0.22t/m3, thermal conductivity factor is low, and thermal shock resistance is good, thus can effectively reduce energy consumption, and can effectively prevent that high temperature gas flow from penetrating zirconium matter fibrage 3, thus extended the service life of this furnace lining; By described otic placode 4 and stainless steel circle bar 5, can easily described zirconium matter fiber module 3a be arranged on described Vault Steel shell 2 and form zirconium matter fibrage 3, shorten the construction period widely; And, when the skene arch top of furnace lining divides appearance to damage, only need to extract out the stainless steel circle bar 5 of broken parts, the zirconium matter fiber module 3a of damage is pulled down, and the zirconium matter fiber module 3a more renewing, last with stainless steel circle bar 5, new zirconium matter fiber module 3a is fixing again, safeguard very convenient; The compensating plate 6 adding can compensate the splicing gap between adjacent described zirconium matter fiber module 3a effectively, thereby has reduced further energy consumption; Described zirconium matter fiber module 3a is along horizontal, the vertical alternative splicing of described Vault Steel shell 2 inner surfaces, like this, not only reduce the heat shrink amount of described zirconium matter fibrage 3, but also improved the bulk strength of described zirconium matter fibrage 3, extended the service life of this furnace lining; The infrared radiation porous ceramics layer 7 adding can improve the performance of described zirconium matter fibrage 3, extends its service life, and improves the bulk strength of this furnace lining, the radiant heat transfer of strengthening stove.
Claims (6)
1. the circular arc vault furnace lining of a zirconium matter fibre structure, comprise on the polycrystalline mullite based composite fibre brick of building by laying bricks or stones on furnace wall, enclosing (1) and being arranged on and on described polycrystalline mullite based composite fibre brick, enclose the Vault Steel shell (2) on (1), it is characterized in that: described Vault Steel shell (2) inner surface is provided with zirconium matter fibrage (3), described zirconium matter fibrage (3) is assembled by zirconium matter fiber module (3a), and described zirconium matter fiber module (3a) is assembled by zirconium matter fibre plate (3a1) again.
2. the circular arc vault furnace lining of zirconium matter fibre structure according to claim 1, it is characterized in that: described Vault Steel shell (2) inner surface is provided with some for articulating the otic placode (4) of described zirconium matter fiber module (3a), and described zirconium matter fiber module (3a) is justified bar (5) plug-in mounting by stainless steel and is articulated on described otic placode (4).
3. the circular arc vault furnace lining of zirconium matter fibre structure according to claim 2, it is characterized in that: between adjacent described zirconium matter fiber module (3a), be provided with compensating plate (6), described compensating plate (6) is arranged between the Mosaic face and otic placode (4) of described zirconium matter fiber module (3a).
4. the circular arc vault furnace lining of zirconium matter fibre structure according to claim 3, is characterized in that: described zirconium matter fiber module (3a) is along horizontal, the vertical alternative splicing of described Vault Steel shell (2) inner surface.
5. according to the circular arc vault furnace lining of the zirconium matter fibre structure described in any one in claim 1-4, it is characterized in that: on described polycrystalline mullite based composite fibre brick, enclose (1) and described zirconium matter fibrage (3) inner surface is respectively equipped with infrared radiation porous ceramics layer (7).
6. the circular arc vault furnace lining of zirconium matter fibre structure according to claim 5, is characterized in that: the thickness of described infrared radiation porous ceramics layer (7) is at least 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618378.9U CN203501788U (en) | 2013-09-30 | 2013-09-30 | Arc-arch-top furnace lining of zirconium fiber structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320618378.9U CN203501788U (en) | 2013-09-30 | 2013-09-30 | Arc-arch-top furnace lining of zirconium fiber structure |
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| CN203501788U true CN203501788U (en) | 2014-03-26 |
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| CN201320618378.9U Expired - Fee Related CN203501788U (en) | 2013-09-30 | 2013-09-30 | Arc-arch-top furnace lining of zirconium fiber structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089480A (en) * | 2014-07-24 | 2014-10-08 | 苏州罗卡节能科技有限公司 | Shuttle kiln |
| CN109737749A (en) * | 2018-12-26 | 2019-05-10 | 合肥恒力装备有限公司 | A kind of Novel furnace top row water-bound |
-
2013
- 2013-09-30 CN CN201320618378.9U patent/CN203501788U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089480A (en) * | 2014-07-24 | 2014-10-08 | 苏州罗卡节能科技有限公司 | Shuttle kiln |
| CN104089480B (en) * | 2014-07-24 | 2015-11-11 | 苏州罗卡节能科技有限公司 | A kind of shuttle kiln |
| CN109737749A (en) * | 2018-12-26 | 2019-05-10 | 合肥恒力装备有限公司 | A kind of Novel furnace top row water-bound |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170714 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuchang, Hubei Friendship Road, No. A, block, floor 999, 15 Patentee before: Wuhan Iron & Steel (Group) Corp. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20190930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |