CN202509095U - Improved liner structure of ironmaking blast-furnace hearth - Google Patents
Improved liner structure of ironmaking blast-furnace hearth Download PDFInfo
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- CN202509095U CN202509095U CN2011205456402U CN201120545640U CN202509095U CN 202509095 U CN202509095 U CN 202509095U CN 2011205456402 U CN2011205456402 U CN 2011205456402U CN 201120545640 U CN201120545640 U CN 201120545640U CN 202509095 U CN202509095 U CN 202509095U
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- laying bricks
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- furnace hearth
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Abstract
The utility model relates to a liner of an ironmaking blast-furnace hearth, in particular to an improved liner structure of an ironmaking blast-furnace hearth. The improved liner structure of the ironmaking blast-furnace hearth is characterized in that concave edges are respectively arranged on two longitudinal edges and two circumferential edges of cool faces of ceramic fireproofing tiles; grooves are respectively formed by the butted concave edges on four sides of the cool faces of each two adjacent ceramic fireproofing tiles; a section shape of each groove is trapezoid; and a section shape of each groove can also be a swallow tail shape. A refractory castable or ramming material layer is filled between a ceramic cup wall construction body constructed by the trapezoid or the swallow tail-shaped ceramic fireproofing tiles formed by butting four edges of each cool face and a carbon construction body, so that the structural imperfection of a straight-through brick joint between a cool face and a heat face of a ceramic cup of the liner of the furnace hearth is blocked, and ramming materials or castable between a carbon brick and a ceramic cup wall is combined into a whole to form a seamless sealing layer. The ceramic cup wall firebrick has a simple structure, is convenient to construct, and is useful improvement beneficial to prolonging of the service life of the liner of the furnace hearth.
Description
Technical field
The utility model relates to the liner of iron-smelting blast furnace cupola well, especially about the improved inner lining structure of a kind of iron-smelting blast furnace cupola well.
Background technology
At present, the structure of the lining of ironmaking blast furnace that is made up of carbon product, pottery refractory materials lining body mainly contains carbon product and builds body and fritter refractory brick pottery sidewall and carbon product and two kinds of forms of quarle pottery sidewall by laying bricks or stones.
Wherein, build by laying bricks or stones in the body sidewall at the pottery that fritter refractory brick constitutes (1), and brick fuel and pottery are built by laying bricks or stones and be shaped on circumferential brickwork joint between the body, and the width of this circumferential brickwork joint is generally 2～10mm, is filled with water ratio in the brickwork joint and surpasses 30% mud.When blast furnace in the baker process, be filled in the volatilization of being heated of mud moisture in this circumferential brickwork joint, cause inner a large amount of gas passages or the hole etc. of occurring of mud, shrinking also can appear in mud simultaneously.Since these potteries build by laying bricks or stones body be adopt fritter straight type with wedge shape refractory brick cooperation build by laying bricks or stones or adopt separately the wedge shape refractory brick of fritter to build by laying bricks or stones to form.The bonding surface of building by laying bricks or stones between these refractory brick is plane butt joint, builds by laying bricks or stones to exist the directly sensible pottery of hot side One's name is legion, that build body by laying bricks or stones from pottery to build the through-type brickwork joint of body huyashi-chuuka (cold chinese-style noodles) by laying bricks or stones in the body.These through-type brickwork joints are that smelting products such as molten iron, basic metal pierce ceramic brickwork and arrive pottery and build circumferential slit between main body and the brick fuel condition of providing convenience.Because mud receives to have numerous gas passages behind thermal contraction and the moisture evaporation, cause that submerged molten iron, basic metal etc. are smelted product and lack blocking effect.Smelting products such as these molten iron, basic metal very easily pass brickwork joint, mud and arrive carbon brick, cause carbon lining to reduce the work-ing life of blast furnace because of suffering erosion too early.
(2) in the ceramic wall of cup that quarle constitutes, between brick fuel and ceramic wall of cup, stay and established the filler band that is made up of the anti-material of fine and close indefinite form, the width of this filler band is 30～60mm, the anti-material of indefinite form of carbon containing or trioxygen-containingization two aluminium in the stopping composition.To the stopping property of right this type of filler band and good stability in aforesaid mud stopping composition, but when the bricklaying surface of ceramic cup nogging is all the butt joint plane, the same existence from directly the lead to through-type brickwork joint of ceramic wall of cup huyashi-chuuka (cold chinese-style noodles) of ceramic wall of cup hot side.Smelting products such as pyritous molten iron, basic metal can arrive the filler band that is made up of carbon containing or the anti-material of trioxygen-containingization two aluminium indefinite forms through these through-type brickwork joints.These pyrotic smelting products can corrode the lower carbon containing indefinite form filler of anti-material band of resistance to fouling equally apace.Filler band for the anti-material of trioxygen-containingization two aluminium indefinite forms constitutes is better than the anti-material of carbon containing indefinite form though product erosive ability is smelted in its opposing, and owing to reasons such as depth of packing are thin, its erosive velocity is also very fast.And the molten hot metal that arrives the filler band though improved the huyashi-chuuka (cold chinese-style noodles) temperature of ceramic wall of cup, impairs the corrosion resistance of ceramic wall of cup and brick fuel simultaneously when corroding the filler band.
Known, but Chinese patent 03249014.3 discloses a kind of monobloc(k)type cupola well liner of rejected heat stress.This pottery basque, its pottery are built body by laying bricks or stones and are built by laying bricks or stones successively and formed by the pottery refractory brick with coupling bricklaying surface, and the opposed end between the pottery refractory brick be the step surface of coupling each other, or is the concavo-convex coupling face of inlaying.The good airproof performance that the liner of this pottery cupola well is smelted product to high temperature liquid iron, basic metal etc. is in the liner of aforesaid ceramic brickwork and ceramic cup wall construction.Yet, thisly has the step surface of mutual coupling or have that the refractory brick manufacture difficulty of coupling face of concavo-convex embedding groove is big, cost is high, and the difficulty of construction of body of heater is also bigger.
In sum, existing lining of ironmaking blast furnace structure exists the deficiency that erosion resistance is poor, the refractory brick difficulty of processing is big, manufacturing cost is high and work-ing life is low.
The utility model content
The purpose of the utility model is to have the deficiency that the existing erosion resistance of lining of ironmaking blast furnace structure is poor, the refractory brick difficulty of processing is big, manufacturing cost is high and work-ing life is low now for overcoming, and proposes the improved inner lining structure of a kind of iron-smelting blast furnace cupola well.
For realizing above-mentioned purpose; The technical scheme that adopts is: the improved inner lining structure of a kind of iron-smelting blast furnace; Comprise that carbon product is built body by laying bricks or stones, pottery is built body and refractory brick by laying bricks or stones, it is characterized in that vertical two seamed edges of pottery refractory brick huyashi-chuuka (cold chinese-style noodles) and two circumferential seamed edges are respectively equipped with recessed rib, the recessed rib in huyashi-chuuka (cold chinese-style noodles) four limits of adjacent ceramic refractory brick butt joint constitutes groove respectively; The section form of groove is trapezoidal, and the section form of groove is a swallow tail shape; Carbon product is built body and pottery by laying bricks or stones and is built by laying bricks or stones and be equipped with the cast bed of material between the body, and mould material is carbonaceous, aluminium carbonaceous, carbonization is siliceous or aluminium-silicon is amorphous refractory.
Press the improved inner lining structure of iron-smelting blast furnace that such scheme is implemented; By huyashi-chuuka (cold chinese-style noodles) four seamed edges butt joints in echelon or the pottery refractory brick of swallow tail shape build the ceramic wall of cup that forms by laying bricks or stones and build body and carbon product by laying bricks or stones and build by laying bricks or stones and be filled with mould material or ramming mass between the body; Thereby blocked the textural defect of the straight-through brickwork joint between the stove Steel Lining pottery wall of cup cold and hot surface; And make ramming mass or mould material between carbon brick and the ceramic wall of cup become one, form seamless sealing ply.Simple and direct, the easy construction of the utility model pottery wall of cup firebrick structure is a kind of being of value to prolong the useful improvement in work-ing life of stove Steel Lining.
Description of drawings
Fig. 1 be a kind of embodiment basque of the utility model vertically partly cut open structural representation;
Fig. 2 is that the A of Fig. 1---A is to structural representation;
Fig. 3 be another kind of embodiment basque vertically partly cut open structural representation;
Fig. 4 is that the B of Fig. 3---B is to structural representation.
The part nomenclature
Pottery is built body 1 pottery refractory brick 11 by laying bricks or stones
Carbon product is built body 2 by laying bricks or stones
The ramming mass or the cast bed of material 3
Furnace bottom pottery masonry 4,
The furnace bottom carbon product is built body 5 by laying bricks or stones,
Air port refractory brick 6,
Cooling stave 7,
Trapezoidal groove 9
Swallow tail connected in star 10
Swallow tail connected in star 12
Embodiment
Further specify with regard to two kinds of embodiment in conjunction with accompanying drawing.In the embodiment in figure 1; The pottery goods are built body 1 by laying bricks or stones and are built by laying bricks or stones in regular turn by pottery refractory brick 11 and form; For realizing the purpose of the utility model; Be respectively equipped with recessed rib at vertical two seamed edges of pottery refractory brick 11 huyashi-chuuka (cold chinese-style noodles) and circumferential seamed edge up and down, vertical two seamed edges that pottery is built adjacent ceramic refractory brick 11 huyashi-chuuka (cold chinese-style noodles) of body 1 by laying bricks or stones constitute trapezoidal groove 9, and circumferential seamed edge up and down constitutes trapezoidal groove 8; Build body 1 and carbon product by laying bricks or stones at the pottery goods and build by laying bricks or stones and vertically with in the radial gap (being trapezoidal groove) be filled with ramming mass or mould material between the body 2, constitute the ramming bed of material or pour into a mould the bed of material 3.Other building blocks in the present embodiment are: furnace bottom pottery masonry 4, the furnace bottom carbon product is built body 5 by laying bricks or stones, air port refractory brick 6, cooling stave 7.
In another embodiment of Fig. 3; Same as described above is; For realizing the purpose of the utility model; Be respectively equipped with recessed rib at vertical two seamed edges of pottery refractory brick 11 huyashi-chuuka (cold chinese-style noodles) and circumferential seamed edge up and down, vertical two seamed edges that pottery is built adjacent ceramic refractory brick 11 huyashi-chuuka (cold chinese-style noodles) of body 1 by laying bricks or stones constitute swallow tail connected in star 12, and circumferential seamed edge up and down constitutes swallow tail connected in star 10; Build body 1 and carbon product by laying bricks or stones at the pottery goods and build by laying bricks or stones and vertically with in the radial gap (being the swallow tail connected in star) be filled with ramming mass or mould material between the body 2, constitute the ramming bed of material or pour into a mould the bed of material 3.Other building blocks in the present embodiment are: furnace bottom pottery masonry 4, the furnace bottom carbon product is built body 5 by laying bricks or stones, air port refractory brick 6, cooling stave 7.
The utility model has been avoided the textural defect of the straight-through brickwork joint between the stove Steel Lining pottery wall of cup cold and hot surface; And make ramming mass or mould material between carbon brick and the ceramic wall of cup become one; Form seamless sealing ply, improved the corrosion resistance of ceramic wall of cup and brick fuel, improved the work-ing life of lining body; Simple and direct, the easy construction of the utility model structure has reduced cost.
Claims (5)
1. improved inner lining structure of iron-smelting blast furnace cupola well; Comprise that carbon product is built body by laying bricks or stones, pottery is built body and refractory brick by laying bricks or stones; It is characterized in that vertical two seamed edges of pottery refractory brick huyashi-chuuka (cold chinese-style noodles) and two circumferential seamed edges are respectively equipped with recessed rib, the recessed rib in huyashi-chuuka (cold chinese-style noodles) four limits of adjacent ceramic refractory brick butt joint constitutes groove respectively.
2. by the improved inner lining structure of the said iron-smelting blast furnace cupola well of claim 1, the section form that it is characterized in that groove is trapezoidal.
3. by the improved inner lining structure of the said iron-smelting blast furnace cupola well of claim 1, the section form that it is characterized in that groove is a swallow tail shape.
4. by claim 1, the improved inner lining structure of 2 or 3 said iron-smelting blast furnace cupola wells, it is characterized in that carbon product builds body and pottery by laying bricks or stones and build by laying bricks or stones and be equipped with the cast bed of material between the body.
5. by the improved inner lining structure of the said iron-smelting blast furnace cupola well of claim 4, it is characterized in that mould material is carbonaceous, aluminium carbonaceous, carbonization is siliceous or aluminium-silicon is amorphous refractory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205456402U CN202509095U (en) | 2011-12-23 | 2011-12-23 | Improved liner structure of ironmaking blast-furnace hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205456402U CN202509095U (en) | 2011-12-23 | 2011-12-23 | Improved liner structure of ironmaking blast-furnace hearth |
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| CN202509095U true CN202509095U (en) | 2012-10-31 |
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| CN2011205456402U Expired - Lifetime CN202509095U (en) | 2011-12-23 | 2011-12-23 | Improved liner structure of ironmaking blast-furnace hearth |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458595A (en) * | 2018-04-13 | 2018-08-28 | 胡广清 | A kind of mineral hot furnace furnace lining brick fuel and brickwork joint encapsulation process method |
| CN108893570A (en) * | 2018-09-12 | 2018-11-27 | 北京联合荣大工程材料股份有限公司 | Integrated poured blast furnace crucibe and its casting construction method |
| CN110373507A (en) * | 2019-08-22 | 2019-10-25 | 北京瑞尔非金属材料有限公司 | A kind of method that blast furnace crucibe side wall brick fuel liner body inside forms casting liner body |
| CN112176138A (en) * | 2020-10-13 | 2021-01-05 | 中冶赛迪技术研究中心有限公司 | Blast furnace hearth masonry structure for eliminating blast furnace air gap |
-
2011
- 2011-12-23 CN CN2011205456402U patent/CN202509095U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458595A (en) * | 2018-04-13 | 2018-08-28 | 胡广清 | A kind of mineral hot furnace furnace lining brick fuel and brickwork joint encapsulation process method |
| CN108893570A (en) * | 2018-09-12 | 2018-11-27 | 北京联合荣大工程材料股份有限公司 | Integrated poured blast furnace crucibe and its casting construction method |
| CN110373507A (en) * | 2019-08-22 | 2019-10-25 | 北京瑞尔非金属材料有限公司 | A kind of method that blast furnace crucibe side wall brick fuel liner body inside forms casting liner body |
| CN112176138A (en) * | 2020-10-13 | 2021-01-05 | 中冶赛迪技术研究中心有限公司 | Blast furnace hearth masonry structure for eliminating blast furnace air gap |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
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| CX01 | Expiry of patent term |