CN207987277U - A kind of converter taphole sleeve brick positioning device - Google Patents
A kind of converter taphole sleeve brick positioning device Download PDFInfo
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- CN207987277U CN207987277U CN201721791777.XU CN201721791777U CN207987277U CN 207987277 U CN207987277 U CN 207987277U CN 201721791777 U CN201721791777 U CN 201721791777U CN 207987277 U CN207987277 U CN 207987277U
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- flange
- brick
- inner flange
- connecting hole
- outward flange
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Abstract
The utility model discloses a kind of converter taphole sleeve brick positioning device, it is made of inner flange, outward flange, cylinder, panel and connecting hole；The cylinder both ends are weldingly connected with inner flange, outward flange；It is provided with series of connection openings on the inner flange radial concentric circle, bolt passes through the flanged joint on connecting hole and steel construction sheath；It is provided with series of connection openings on the outward flange radial concentric circle, bolt is connected and fixed by connecting hole and panel.Utility model device is simple in structure, easy to use, can eliminate shift phenomenon after tapping hole sleeve brick is replaced, and realizes that quickly positioning, reduction molten steel go out the frequency not to the utmost, reduces the lower quantity of slag, reach reduction steel technology, promote molten steel quality purpose.
Description
Technical field
The utility model belongs to field of iron and steel smelting, and in particular to a kind of converter taphole sleeve brick positioning device.
Background technology
Tapping hole sleeve brick is one of key converter functional refractory, it is the unique passage that converter molten steel enters ladle.
Currently, replacing converter taphole sleeve brick major way is：Converter body is tilted to certain angle, it will using brill (expansion) hole machinery
Former tapping hole sleeve brick is broken, remove after establish cylindrical channel, new tapping hole sleeve brick is installed in cylindrical bore, tapping hole sleeve brick with
Filling fire resisting material around brick cup can come into operation after fixed sintering.
Converter taphole sleeve brick compared with home position, often shifts, main cause has three when replacing：When
It bores in the operation process of (expansion) hole, because of brill (expansion) hole machine bit central and brick cup steel construction sheath disalignment, leads to old tapping
Mouthful sleeve brick is broken, remove after the cylindrical channel center line established also shift；Second is that replacing tapping hole sleeve brick ream operation mistake
Cheng Zhong generates tapping hole brick cup and hits, wears, shifts when sleeve brick being caused to be installed；Third, due to tapping hole brick cup internal diameter
It is big compared with tapping hole sleeve brick outer diameter, replace tapping hole sleeve brick when, tapping hole sleeve brick is affected by gravity, tapping hole sleeve brick tail portion directly with
Refractory brick contact generates offset on the inside of tapping hole.Once tapping hole sleeve brick position misaligns, tapping hole sleeve brick center may result in
Deviate with brick cup steel construction sheath center line, tapping hole angle changes, and a series of adverse consequences are caused to converter tapping：Its
First, molten steel goes out endless in stove, increase residual molten steel amount in converter, steel technology increases；The second is promoting molten steel whirlpool when tapping
Volute is at the lower quantity of slag increases, and affects steel quality；Thirdly increasing the tapping time, tapping process temperature drop is caused to increase, to mend
Tapping temperature drop, converter terminal temperature rise are repaid, converter refractory consumption rate increases；Therefore, in converter taphole replacement process,
Tapping hole installation accuracy must be improved, the needs of converter producing are met.
Utility model content
To solve the above problems, the utility model provides a kind of converter taphole sleeve brick positioning device, cooperation " T-type " sleeve
Brick uses, and can eliminate shift phenomenon after tapping hole sleeve brick is replaced, and realizes quickly positioning, lean and correct assembly function, and apparatus structure
Simply, easy to use.
The specific technical solution of the utility model is as follows：A kind of converter taphole sleeve brick positioning device, it is by inner flange, outer
Flange, cylinder, panel, the first connecting hole and the second connecting hole composition；Phase is welded with inner flange, outward flange in the cylinder both ends
Even；It is symmetrically arranged with the second connecting hole on the inner flange radial concentric circle, the first bolt passes through the second connecting hole and steel knot
Flanged joint on structure sheath；It is symmetrically arranged with the first connecting hole on the outward flange radial concentric circle, the second bolt passes through
First connecting hole is connected and fixed with panel.
Further, the outer diameter of the inner flange is identical as the outer diameter of brick cup steel construction sheath flange, and internal diameter is compared with tapping hole
The big 30mm or more of brick cup internal diameter.
Further, the outward flange internal diameter is identical as inner flange；Outward flange outer diameter is identical as inner flange outer diameter or omits
Less than inner flange outer diameter.
Further, the inside and outside diameter of the panel is identical as the inside and outside diameter of outward flange.
Further, it is 200-400mm that the inner flange, cylinder, outward flange, which give fit length,；Inner flange and outward flange
Thickness is 20-50mm；Cylinder wall thickness is 20-50mm.
A kind of installation method of converter taphole sleeve brick positioning device, is as follows：
Step 1：After the installation of tapping hole brick cup, self locating device and steel construction sheath are connected by the first bolt, inner flange
It connects；Outward flange is connect by the second bolt with panel；
Step 2：Converter inclining to tapping hole sleeve brick installation position, by end brick with magnesium chromium or magnesia resistance to is applied at body portion transform diameter
Chamotte；
Step 3：Tapping hole sleeve brick is pushed into along center line, when fixed plate and plate contact, the two is welded and fixed, is filled
It can come into operation after refractory material, sintering.
Compared with prior art, the beneficial effects of the utility model are：Use the sleeve brick positioning device energy of the utility model
Shift phenomenon after tapping hole sleeve brick is replaced is eliminated, realizes quickly positioning, lean and correct assembly function, molten steel is reduced and goes out the frequency not to the utmost, subtract
The quantity of slag is descended less, reaches reduction steel technology, is reduced deoxidier, alloy consumption, is promoted molten steel quality purpose.
Description of the drawings
Fig. 1 is the installation diagram of utility model device；
Fig. 2 is the structural schematic diagram of utility model device；
Fig. 3 is the structural schematic diagram of T-type sleeve brick；
In figure：1, T-type sleeve brick, 2, positioning device, 3, flange, 4, steel construction sheath, 5, refractory brick, 6, center line, 7, go out
Steel mouth brick cup, 8, refractory material, 9, refractory material, the 10, first bolt, 11, panel, the 12, second bolt, 2-1 inner flanges, 2-2
Outward flange, 2-3 cylinders, the first connecting holes of 2-4, the second connecting holes of 2-5, the ends 1-1 brick, 1-2 bodies portion brick, 1-3 supporting steel pipes,
1-4 fixed plates.
Specific implementation mode
The utility model is further described through with specific embodiment with reference to the accompanying drawings of the specification.
Embodiment 1
Such as Fig. 1, shown in Fig. 2, a kind of converter taphole sleeve brick positioning device, it is by inner flange 2-1, outward flange 2-2, cylinder
2-3, panel 11 and the first connecting hole 2-4, the second connecting hole 2-5 compositions；The both ends cylinder 2-3 and inner flange 2-1, outward flange 2-2
It is weldingly connected；The second connecting hole 2-5 is symmetrically arranged on inner flange 2-1 radial concentrics circle, the first bolt 10 passes through the second connection
Hole 2-5 is connect with the flange 3 on steel construction sheath 4；It is symmetrically arranged with the first connecting hole 2- on outward flange 2-2 radial concentrics circle
4, the second bolt 12 is connected and fixed by the first connecting hole 2-4 with panel 11.Thus just by positioning device and tapping hole seat
Brick is connected and fixed.
Above-mentioned outer diameter is identical as the outer diameter of flange 3 of brick cup steel construction sheath 4, and internal diameter is compared with 7 internal diameter of tapping hole brick cup
Big 30mm or more；Above-mentioned outward flange 2-2 internal diameters are identical as inner flange 2-1；Outward flange 2-2 outer diameters and inner flange 2-1 outer diameter phases
With or be slightly less than inner flange 2-1 outer diameters.The inside and outside diameter of above-mentioned panel 11 is identical as the inside and outside diameter of outward flange 2-2.
In order to more preferably use utility model device, inner flange 2-1, cylinder 2-3, outward flange 2-2 to be to fit length
200-400mm；Inner flange 2-1 is 20-50mm with outward flange 2-2 thickness；Cylinder 2-3 wall thickness is 20-50mm, within this range
The positioning device of making is widely used in production.
In actual use, the utility model self locating device 2 need to coordinate T-type sleeve brick 1 to install and use.
As shown in figure 3, T-type sleeve brick 1 is made of end brick 1-1, body portion brick 1-2, supporting steel pipe 1-3, fixed plate 1-4,
Notable feature is that end brick 1-1 outer diameters must big 70mm or more compared with body portion brick 1-2；End brick 1-1 and body portion brick 1-2 becomes diametric plane and realizes
Auxiliary positioning function；Body portion brick 1-2 outer diameters, internal diameter require to determine according to different converter process；End brick 1-1, body portion brick 1-2 are equal
By magnesia carbon refractory；End brick 1-1 outer diameters must be compared with the small 2-10mm of cylinder 2-3 internal diameters of self locating device 2；Fixed plate 1-4
Outer diameter is between 11 outer diameter of end brick 1-1 outer diameters and panel.
A kind of installation method of converter taphole sleeve brick positioning device, is as follows：
Step 1：After tapping hole brick cup 7 is installed, by the first bolt 10, inner flange 2-1 by self locating device 2 and steel construction
Sheath 4 connects；Outward flange 2-2 is connect by the second bolt 12 with panel 11；
Step 2：Converter inclining will apply magnesium chromium to 1 installation position of tapping hole sleeve brick at end brick 1-1 and body portion brick 1-2 reducings
Or magnesite refractory；
Step 3：Tapping hole sleeve brick 1 is pushed into along center line 6, when fixed plate 1-4 is contacted with panel 11, the two is welded solid
It can come into operation after fixed, filling fire resisting material 9, sintering.
Embodiment 2
In conjunction with the embodiments 1, present embodiments provide a kind of 300 tons of converter taphole sleeve brick positioning devices.In the present embodiment
Self locating device 2 is by inner flange 2-1, outward flange 2-2, cylinder 2-3, panel 11 and the first connecting hole 2-4, the second connecting hole 2-5
Composition, said modules material is Q345.Inner flange 2-1 outer diameters and 3 outer diameter of flange of brick cup steel construction sheath 4 are φ
1200mm, inner flange 2-1 internal diameters are φ 400mm (7 internal diameter φ 360mm, outer diameter φ 840mm of tapping hole brick cup)；In outward flange 2-2
Diameter φ 400mm, outer diameter φ 1000mm；11 internal diameter φ 400mm, outer diameter φ 1000mm of panel.
Inner flange 2-1, outward flange 2-2 and cylinder 2-3 are welded；Inner flange 2-1 passes through the first bolt 10 and steel construction sheath 4
Upper flange 3 connects；Outward flange 2-2 is connect by the second bolt 12 with panel 11；First bolt 10,12 model of the second bolt：
M20×70；Inner flange 2-1, cylinder 2-3, outward flange 2-2 combine body length 260mm, flange 2-1,2-2 thickness 30mm, cylinder
2-3 wall thickness 40mm.
T-type sleeve brick 1 is made of end brick 1-1, body portion brick 1-2, supporting steel pipe 1-3, fixed plate 1-4, end brick 1-1 outer diameters
φ 395mm, internal diameter φ 180mm, length 257mm；Body portion brick 1-2 outer diameters φ 300mm, internal diameter φ 180mm；End brick 1-1, body portion
Brick 1-2 is made of magnesia carbon refractory MT-10；Fixed plate 1-4 outer diameters φ 700mm, thickness 10mm, material Q235.
Installation method：
Step 1：After tapping hole brick cup 7 is installed, by the first bolt 10, inner flange 2-1 by self locating device 2 and steel construction
Sheath 4 connects；Linked by the second bolt 12, outward flange 2-2 and panel 11；
Step 2：Converter inclining will apply magnesia (MgO ＞ to 150 ° of stokehold direction at end brick 1-1 and body portion brick 1-2 reducings
90.0wt%) fire clay；
Step 3：Tapping hole sleeve brick 1 is pushed into along center line 6, and when fixed plate 1-4 is contacted with panel 11, the two is put solid welding
Calmly, 90 ° after fascinating to stove, filling refractory material 9 can come into operation after being sintered 30 minutes.
There is remarkable result to production using 4 years high lift devices of utility model device：1) converter tapping residual molten steel amount
Reduce 1.0kg/t steel or more；2) just steel-making water returns P amounts and reduces 0.0010wt%, steel quality improves after LF refining；3) smelting
When aluminium metallurgy killed steel, the consumption of final deoxidizing aluminium can save 0.2kg/t molten steel.
Claims (5)
1. a kind of converter taphole sleeve brick positioning device, characterized in that it is by inner flange (2-1), outward flange (2-2), cylinder (2-
3), panel (11), the first connecting hole (2-4) and the second connecting hole (2-5) composition；The cylinder both ends (2-3) and inner flange
(2-1), outward flange (2-2) are weldingly connected；It is symmetrically arranged with the second connecting hole on inner flange (2-1) radial concentric circle
(2-5), the first bolt (10) are connect by the second connecting hole (2-5) with the flange (3) on steel construction sheath (4)；Described is outer
It is symmetrically arranged with the first connecting hole (2-4) on flange (2-2) radial concentric circle, the second bolt (12) passes through the first connecting hole (2-
4) it is connected and fixed with panel (11).
2. a kind of converter taphole sleeve brick positioning device according to claim 1, characterized in that the inner flange (2-1)
Outer diameter it is identical as the outer diameter of brick cup steel construction sheath (4) flange (3), internal diameter is compared with tapping hole brick cup (7) the big 30mm or more of internal diameter.
3. a kind of converter taphole sleeve brick positioning device according to claim 1, characterized in that the outward flange (2-
2) internal diameter is identical as inner flange (2-1)；Outward flange (2-2) outer diameter is same as or slightly smaller than inner flange (2- with inner flange (2-1) outer diameter
1) outer diameter.
4. a kind of converter taphole sleeve brick positioning device according to claim 1, characterized in that the panel (11)
Inside and outside diameter is identical as the inside and outside diameter of outward flange (2-2).
5. a kind of converter taphole sleeve brick positioning device according to claim 1, characterized in that the inner flange (2-
1) it is 200-400mm that, cylinder (2-3), outward flange (2-2), which give fit length,；Inner flange (2-1) is with outward flange (2-2) thickness
20-50mm；Cylinder (2-3) wall thickness is 20-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791777.XU CN207987277U (en) | 2017-12-20 | 2017-12-20 | A kind of converter taphole sleeve brick positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791777.XU CN207987277U (en) | 2017-12-20 | 2017-12-20 | A kind of converter taphole sleeve brick positioning device |
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| Publication Number | Publication Date |
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| CN207987277U true CN207987277U (en) | 2018-10-19 |
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| CN201721791777.XU Active CN207987277U (en) | 2017-12-20 | 2017-12-20 | A kind of converter taphole sleeve brick positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404305A (en) * | 2022-08-12 | 2022-11-29 | 马鞍山钢铁股份有限公司 | Slag blocking mechanism for steel tapping hole of converter and method for replacing sleeve bricks of steel tapping hole |
-
2017
- 2017-12-20 CN CN201721791777.XU patent/CN207987277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404305A (en) * | 2022-08-12 | 2022-11-29 | 马鞍山钢铁股份有限公司 | Slag blocking mechanism for steel tapping hole of converter and method for replacing sleeve bricks of steel tapping hole |
| CN115404305B (en) * | 2022-08-12 | 2024-01-16 | 马鞍山钢铁股份有限公司 | Slag blocking mechanism for tapping hole of converter and replacement method for sleeve bricks of tapping hole |
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