CN203401073U - Steel ladle bottom-covering work layer masonry construction - Google Patents
Steel ladle bottom-covering work layer masonry construction Download PDFInfo
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- CN203401073U CN203401073U CN201320501168.1U CN201320501168U CN203401073U CN 203401073 U CN203401073 U CN 203401073U CN 201320501168 U CN201320501168 U CN 201320501168U CN 203401073 U CN203401073 U CN 203401073U
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- brick
- working lining
- steel
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- masonry construction
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Abstract
The utility model provides a steel ladle bottom-covering work layer masonry construction which comprises two air bricks, a nozzle brick, and an impact brick between the two air bricks. Connection lines of one end face of the impact brick and edges of two bottom-blowing air feed bricks are on the same straight line; an impact area work layer is formed around the impact brick, the impact area work layer is formed by pouring of corundum pouring materials containing steel fibers, two non-impact area work layers are formed around the two air bricks, the two non-impact area work layers are formed by pouring of corundum pouring materials, a round steel ladle bottom-covering work layer bottom layer is formed by the two non-impact area work layers and the impact area work layer, a slope-shaped carbon-free pouring material surface layer inclining from the air bricks to the nozzle brick is arranged on the work layer bottom layer, and two vent ports are formed in positions, corresponding to the two air bricks, of the carbon-free pouring material surface layer. Most of the steel ladle bottom-covering work layer masonry construction is formed by integrated pouring of unshaped refractory materials, and therefore construction time is shorted greatly; in addition, the face, making contact with molten steel, of the steel ladle bottom-covering work layer masonry construction, is an inclined face, and therefore the use ratio of the molten steel is improved.
Description
Technical field
The utility model relates to steel in water container bottom masonry construction, specifically a kind of bottom of steel ladle working lining masonry construction.
Background technology
In iron and steel metallurgical industry, molten steel is smelted by equipment such as converters, and molten steel needs Thermal Equipment---and ladle is transported to conticaster by liquid molten steel and waters continuously steel operation from the smelting equipments such as converter or electric furnace.And ladle is generally all comprised of steel construction and refractory lining, refractory lining is all generally to build or use with the refractory brick of sizing that amorphous refractory is integrated poured forms by laying bricks or stones, its bottom of steel ladle be all generally to adopt sizing laying fireproof bricks, there is following shortcoming:
1) high to the flatness requirement of end permanent layer, if permanent layer breakage or out-of-flatness, end brick masonry forms faulting of slab ends and brickwork joint exceeds standard, and has potential safety hazard;
2) masonry construction at the bottom of employing sizing laying fireproof bricks bag, its inefficiency, general Ladle Bottom working lining is used 900 polylith sizing laying fireproof bricks, and every brick need to be paved with ash and builds by laying bricks or stones, often build a brick by laying bricks or stones and all need to check masonry quality, each row's brick all will check flatness, generally build one by laying bricks or stones at the bottom of working lining need 4 people 8h just can complete;
3) existing ladle bottom adopts sizing laying fireproof bricks, and its bag end almost becomes horizontal, waters to wrap the end after steel and corrode pit or have slag etc., and molten steel is general residual more, and molten steel loss is large;
4) existing bottom of steel ladle working lining masonry construction is relatively low service life, generally uses 2 light maintenance cycles to change working lining of the whole end, and occurs that the bag end corrodes serious abnormal generation while often not reaching design service life.
Summary of the invention
The utility model is according to the deficiencies in the prior art, provides a kind of employing castable cast to form, and the bag end be skewed, the utility model has improved ladle service life, reduces the ton steel cost of resistance to material, has reduced labour intensity, has improved the utilization rate of molten steel.
The technical scheme that the utility model provides: described a kind of bottom of steel ladle working lining masonry construction comprises two air bricks and a nozzle brick, it is characterized in that: described masonry construction also comprises the impact brick being arranged between two air bricks; Surrounding at impact brick forms impact zone working lining by the corundum castable cast that contains steel fibre, surrounding at two air bricks is noted and is built two non-impact zone working linings of material cast formation by corundum respectively, two non-impact zone working linings are closely connected with impact zone working lining, form the bottom of working lining at the bottom of circular ladle bag, on working lining bottom, be provided with the carbon-free castable of the slope shape top layer being tilted to nozzle brick by air brick, and be provided with ventilation mouth in the position of two air bricks of carbon-free castable top layer correspondence.
The further technical scheme of the utility model: described impact zone working lining is arranged on the horizontal axis of bottom of steel ladle, two non-impact zone working lining semicirculars in shape, are distributed in the both sides of impact zone working lining.
The utility model is technical scheme preferably: described in contain steel fibre the angle of inclination on corundum castable top layer be 3-5 °.
The utility model is technical scheme preferably: described two air bricks and nozzle brick are fixed on the outer steel shell bottom of ladle by ramming mass.
The utility model is technical scheme preferably: described carbon-free castable top layer is the slope shape castable top layer that adopts the corundum castable contain steel fibre to form from air brick end stacked stream to nozzle brick end.
The beneficial effects of the utility model:
1, masonry construction major part of the present utility model is to adopt that amorphous refractory is integrated poured to be formed, and has greatly shortened the engineering time, builds 8h by laying bricks or stones reduce present 2h by 3 people;
2, the utility model contacts surface layer inclined plane with molten steel, and it is lower to be provided with the one end at the mouth of a river, and molten steel flows in nozzle brick along inclined-plane, and every stove at least reduces the waste of 0.5t molten steel, has improved the utilization rate of molten steel;
3, this practicality has improved the service life of Ladle Bottom working lining, brings up to 3 light maintenance cycles by 2 light maintenance cycles, and the life-span has improved 50%, and the cost of resistance to material is more than 30%;
4, improved safe handling coefficient, originally overhauled new, the old brick of end working lining and coordinate badly, junction potential safety hazard is large, and the integrated poured overall structure of use amorphous refractory, in conjunction with tightr, stops to ooze steel phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing bottom of steel ladle;
Fig. 2 is the AA ' profile of Fig. 1;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the AA ' profile of Fig. 2.
In figure: 1-non-impact zone working lining, 2-impact brick, 3-impact zone working lining, 4-air brick, 5-nozzle brick, 6-carbon-free castable top layer, 7-ladle, 8-ventilation mouth.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.In Fig. 3, Fig. 4, described a kind of bottom of steel ladle working lining masonry construction, comprises two air bricks 4 and a nozzle brick 5, it is characterized in that: described masonry construction also comprises the impact brick 2 being arranged between two air bricks 4; Surrounding at impact brick 2 forms impact zone working lining 3 by the corundum castable cast that contains steel fibre, in the corundum castable of impact zone working lining 3, be mixed with steel fibre, as long as steel fibre is evenly blended in corundum castable, just can, make it there is stronger shock-resistant ability; Surrounding at two air bricks 4 is noted and is built two non-impact zone working linings 1 of material cast formation by corundum respectively, two non-impact zone working linings 1 are closely connected with impact zone working lining 3, form the bottom of working lining at the bottom of circular ladle bag, on working lining bottom, be provided with the carbon-free castable of the slope shape top layer 6 being tilted to nozzle brick 5 by air brick 4, and the position of 6 corresponding two air bricks 4 is provided with ventilation mouth 8 on carbon-free castable top layer.Described carbon-free castable top layer 6 is the slope shape castable top layers that adopt the corundum castable contain steel fibre to form to nozzle brick 5 ends from air brick 4 end stacked streams.
As shown in Figure 4, described impact zone working lining 3 is arranged on the horizontal axis of bottom of steel ladle, and two non-impact zone working lining 1 semicirculars in shape are distributed in the both sides of impact zone working lining 3.
The angle of inclination on the described corundum castable top layer 6 of containing steel fibre is 3-5 °, makes molten steel in the inflow mouth of a river, inclined-plane, and every stove at least reduces the waste of 0.5t molten steel, has improved the utilization rate of molten steel.
Described two bottom blowing gas-feeding bricks 4 and nozzle brick 5 are fixed on the outer steel shell bottom of ladle 7 by ramming mass.
Bottom of steel ladle working lining of the present utility model adopts the mode of false bottom, bottom of steel ladle working lining employing center arranges impact zone and the whole amorphous refractory pouring forming technology that uses, working lining at the bottom of bag is poured into an inclined-plane, be convenient to molten steel and flow to mouth of a river direction.
Concrete brick-building art is as follows: 1. first in ladle outer steel shell bottom, two blocks of air bricks 4 and nozzle brick 5 are installed, are used ramming mass to be fixed;
2. impact brick 2 is installed to two air brick 4 centre positions, the position that molten steel impacts, requires impact brick end face and two air brick edge lines on same straight line;
3, the construction of impact zone working lining 3 is installed to bottom with mould, mould is combined closely with wall working lining on east, the two sides, west of impact brick 2, first use corundum castable to form respectively non-impact zone working lining 1, vibratory compaction in surrounding's cast of two blocks of air bricks 4; The impact zone re-using at the bottom of the high-quality corundum castable pouring ladle that contains steel fibre forms impact zone working lining 3, after blowing, rapidly impact zone construction is mentioned with mould, then by the high-quality corundum castable that contains steel fibre of impact zone and junction vibratory compaction.
4, at two blocks of air bricks 4, covering simple die stops castable to stop up air brick, the corundum castable that contains steel fibre (water content is low) being stirred is poured into and piled up from air brick of steel ladle direction, allow it slowly flow and form the carbon-free castable of slope shape top layer 6, after material feeding initial set to be poured, two blocks of air bricks 4 are covered to simple die and remove, guarantee that air brick is unimpeded.
5, during light maintenance, the residue on castable surface is removed clean, used corundum castable directly to repair.
Claims (5)
1. a bottom of steel ladle working lining masonry construction, comprises two air bricks (4) and a nozzle brick (5), it is characterized in that: described masonry construction also comprises the impact brick (2) being arranged between two air bricks (4), surrounding at impact brick (2) forms impact zone working lining (3) by the corundum castable cast that contains steel fibre, surrounding at two air bricks (4) is poured into a mould and is formed two non-impact zone working linings (1) by corundum castable respectively, two non-impact zone working linings (1) are closely connected with impact zone working lining (3), form the bottom of working lining at the bottom of circular ladle bag, on working lining bottom, be provided with the carbon-free castable of the slope shape top layer (6) being tilted to nozzle brick (5) by air brick (4), and the position of corresponding two air bricks (4) is provided with ventilation mouth (8) on carbon-free castable top layer (6).
2. bottom of steel ladle working lining masonry construction according to claim 1, it is characterized in that: described impact zone working lining (3) is arranged on the horizontal axis of bottom of steel ladle, two non-impact zone working linings (1) semicircular in shape, is distributed in the both sides of impact zone working lining (3).
3. bottom of steel ladle working lining masonry construction according to claim 1 and 2, is characterized in that: described in contain steel fibre the angle of inclination on corundum castable top layer (6) be 3-5 °.
4. bottom of steel ladle working lining masonry construction according to claim 1 and 2, is characterized in that: described two air bricks (4) and nozzle brick (5) are fixed on the outer steel shell bottom of ladle (7) by ramming mass.
5. bottom of steel ladle working lining masonry construction according to claim 1 and 2, is characterized in that: described carbon-free castable top layer (6) is to adopt the corundum castable that contains steel fibre to nozzle brick (5), to hold from air brick (4) end stacked stream the slope shape castable top layer forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501168.1U CN203401073U (en) | 2013-08-16 | 2013-08-16 | Steel ladle bottom-covering work layer masonry construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501168.1U CN203401073U (en) | 2013-08-16 | 2013-08-16 | Steel ladle bottom-covering work layer masonry construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203401073U true CN203401073U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501168.1U Expired - Lifetime CN203401073U (en) | 2013-08-16 | 2013-08-16 | Steel ladle bottom-covering work layer masonry construction |
Country Status (1)
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| CN (1) | CN203401073U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399959A (en) * | 2014-12-02 | 2015-03-11 | 武汉钢铁(集团)公司 | Masonry construction capable of increasing service cycle of bottom of steel ladle |
| CN108971470A (en) * | 2018-09-07 | 2018-12-11 | 云南濮耐昆钢高温材料有限公司 | A kind of new-type ladle and its building method |
| CN112613523A (en) * | 2020-12-15 | 2021-04-06 | 中冶赛迪重庆信息技术有限公司 | Method, system, medium and electronic terminal for identifying steel flow at converter steel tapping hole |
-
2013
- 2013-08-16 CN CN201320501168.1U patent/CN203401073U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399959A (en) * | 2014-12-02 | 2015-03-11 | 武汉钢铁(集团)公司 | Masonry construction capable of increasing service cycle of bottom of steel ladle |
| CN108971470A (en) * | 2018-09-07 | 2018-12-11 | 云南濮耐昆钢高温材料有限公司 | A kind of new-type ladle and its building method |
| CN112613523A (en) * | 2020-12-15 | 2021-04-06 | 中冶赛迪重庆信息技术有限公司 | Method, system, medium and electronic terminal for identifying steel flow at converter steel tapping hole |
| CN112613523B (en) * | 2020-12-15 | 2023-04-07 | 中冶赛迪信息技术(重庆)有限公司 | Method, system, medium and electronic terminal for identifying steel flow at converter steel tapping hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430080 Wuhan, Hubei Qingshan District, No. thirty-one attached street, No. 2 Patentee after: WUHAN JINGDING TECHNOLOGY CO.,LTD. Address before: 430081 Hubei City, Heilongjiang Province, Qingshan District, metallurgical street, No., attached to No. thirty-one street, No. 2 Patentee before: WUHAN STEEL GROUP JINGDING INDUSTRIAL FURNACE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |