CN208467248U - A kind of ladle tank bottom working lining distributed architecture - Google Patents
A kind of ladle tank bottom working lining distributed architecture Download PDFInfo
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- CN208467248U CN208467248U CN201820808839.1U CN201820808839U CN208467248U CN 208467248 U CN208467248 U CN 208467248U CN 201820808839 U CN201820808839 U CN 201820808839U CN 208467248 U CN208467248 U CN 208467248U
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- tank bottom
- working lining
- ladle
- brick
- ladle tank
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Abstract
The utility model provides a kind of ladle tank bottom working lining distributed architecture.The ladle tank bottom working lining distributed architecture includes impact zone and non-percussion area, building in impact zone has shock plate, building in non-percussion area has pocket block and two air bricks, it is characterized by: two air brick is in the same direction along the former central point for building position or counter-rotating is in be inverted splayed to be distributed, the shock plate is placed in the position between the inversion splayed of two air bricks formation, its center point is in steel stream shock point position, and the Edge Distance of two air brick of Edge Distance of shock plate is 45~60mm.The utility model improves the work station of two gas supply bricks, splayed installation is changed to by original parallel installation, impact brick is mobile to ladle center position, and guarantee that original safe distance of the impact brick edge away from ventilative side is constant, pad diamond spar brick increases impact strength between two air bricks simultaneously, and the ladle tank bottom working lining service life is significantly improved.
Description
Technical field
The utility model belongs to field of steel metallurgy, specifically a kind of ladle tank bottom working lining distributed architecture.
Background technique
Ladle refers to the container for containing molten steel, is made of a steel, and liner uses refractory material, and molten steel is flowed out by the mouth of a river of bottom,
It casts, is also " steel ladle " or " ladle ".Steel ladle is held before open hearth, electric furnace or converter for steel mill, Foundry Works
It connects molten steel, carry out pouring practice.Structure type has rod type and slide gate nozzle formula.
The furnace lining structure of ladle tank bottom is made of refractory material, is divided into permanent layer and working lining.Permanent layer mainly rises heat-insulated
Insulation effect, it is desirable that overall performance is good, and when removing working lining, permanent layer should not be caving, and permanent layer generally uses fire resisting brick
It builds or integrated poured using castable refractory.Ladle tank bottom working lining be primarily subjected to tapping when steel stream impact, higher molten steel
Molten steel when static pressure and steel ladle bottom argon blowing stirs, washes away and deteriorate.Ladle tank bottom working lining generally use fire resisting brick masonry or
It is poured using castable refractory, when using castable refractory, in order to bear steel stream impact when tapping, is arranged in shock point and rushes
Brick is hit, also referred to as " shock plate ".
As shown in Figure 1, in order to avoid steel stream shock point when tapping, the nozzle brick and air brick of existing bottom of steel ladle are uniformly distributed
It sets at the 1/2 to 1/3 of packet bottom radial direction (away from packet bottom center), air brick is parallel installation.It is (double ventilative removing three holes
Brick and the mouth of a river) when, do not injure shock plate in order to avoid tearing tank machine tup open, when shock plate is installed with two gas supply bricks interval safety away from
From, but this results in shock plate installation site not in shock point middle, shock plate when bearing the impact of steel stream, be not uniformly by
Power is partially formed stress concentration phenomenon in shock plate, and shock plate edge occurs thickness reduction, crackle, layering, causes the shock plate longevity
Life shortens；Simultaneously because shock plate is not in shock point middle, the steel stream of deviation just impacts on castable working lining, in molten steel
Washing away under, castable resistant to corrosion strength reduction, layering, drill steel.Under the two reasons act on simultaneously, make working lining uses the longevity
Life reduces, and influences the normal turnover of big tank, increases the resistance to material usage amount of ladle, increase steel-making cost.
Summary of the invention
The utility model is insufficient according to prior art to provide a kind of ladle tank bottom of service life for improving bottom working lining
Working lining distributed architecture reinstalls arrangement to packet bottom working lining, improve bottom working lining to the resistant to corrosion intensity of molten steel and
The reduction of the service life and cost of cylinder of steel.
Technical solution provided by the utility model are as follows: a kind of ladle tank bottom working lining distributed architecture, including impact zone
With non-percussion area, building in impact zone has shock plate, and building in non-percussion area has pocket block and two air bricks, feature
Be: two air brick is in the same direction along the former central point for building position or counter-rotating is in be inverted splayed to be distributed, the punching
The position that plate is placed between the inversion splayed of two air bricks formation is hit, center point is impacted in steel stream shock point position
The Edge Distance of two air brick of Edge Distance of plate is 45~60mm.
The further technical solution of the utility model: the non-percussion area of the ladle tank bottom working lining is in permanent ladle layer
After upper construction two air bricks, pocket block and shock plate, pour to be formed using working lining gravity flow pouring material, castable table
Face is higher than shock plate, and masonry has corundum brick between two air bricks.
The utility model preferably technical solution: two air brick is symmetricly set on ladle tank bottom central axes two sides, and
The central point of ladle tank bottom is higher than two air bricks；The shock plate is located on the line of symmetry of two air bricks, and the center of shock plate
The central point 1/3 that point is higher than ladle tank bottom wraps the distance of bottom radius.
The utility model preferably technical solution: the shock plate builds position in original and moves to ladle tank bottom center position
240~260mm moves on to the center of impact brick at packet bottom radial direction 1/3 from packet bottom radial direction 1/2.
The utility model preferably technical solution: two air brick is along the former central point for building position simultaneously to inward turning
Turn 45 degree and is distributed in splayed is inverted.
The utility model improves the work station of two gas supply bricks, i.e., is changed to splayed installation by original parallel installation,
Air brick rotates 45 degree in original center, and impact brick is mobile to ladle center position, and guarantees original impact brick edge
Safe distance away from ventilative side is constant, while padding diamond spar brick between two air bricks and increasing impact strength, ladle tank bottom working lining
Service life is significantly improved.
The utility model is increased to 220 times or so by actually using its its service life from 145 times, the use of bottom working lining
At 115 times or so, 215 are increased to, substantially without refooting, monthly just reduces 2 times and refoots, cost is greatly saved.The ladle tank
Base fabric sets that infrastructure cost is extremely cheap but benefit is extremely significant, and the high speed for being conducive to iron and steel enterprise's cost efficiency develops in a healthy way, tool
There is extensive application value.
Detailed description of the invention
Fig. 1 is existing double ventilative structural schematic diagrams installed in parallel；
Fig. 2 is the structural schematic diagram of the utility model.
In figure: 1-shock plate, 2-pocket blocks, 3-air bricks, 4-corundum bricks, 5-non-percussion areas.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, a kind of ladle tank bottom working lining point as shown in Figure 2
Cloth structure, including impact zone and non-percussion area 5, building in impact zone has shock plate 1, and building in non-percussion area has mouth of a river seat
Brick 2 and two air bricks 3, the non-percussion area 5 of the ladle tank bottom working lining are that construction removes two air bricks on permanent ladle layer
3, it after pocket block 2 and shock plate 1, pouring to be formed using gravity flow pouring material, castable surface is slightly above shock plate 1,
It is characterized by: two air brick 3 is in the same direction along the former central point for building position or counter-rotating is in be inverted splayed to be distributed,
Optimal method is that two air bricks 3 are rotated inward 45 degree along the former central point for building position simultaneously, and two air bricks 3 are symmetrically
Ladle tank bottom central axes two sides are placed in, and the central point of ladle tank bottom is higher than two air bricks 3.It is ventilative that the shock plate 1 is placed in two
The position between inversion splayed that brick 3 is formed, center point is in steel stream shock point position, and the Edge Distance of shock plate 1
The Edge Distance of two air bricks 3 is 45~60mm, which is to guarantee impact brick of not damaging when the drill rod for tearing tank machine open removes ventilative
Minimum safe distance, optimum distance 50mm more bigger than drill rod diameter, specifically by shock plate 1 original build position to
Ladle tank bottom center position moves 240~260mm, and the center of impact brick is moved on to packet bottom radius side from packet bottom radial direction 1/2
To at 1/3.And masonry has corundum brick 4 between two air bricks 3.
Below with reference to embodiment, the utility model is described in further detail.Embodiment is with Wuhan Iron and Steel Plant web head factory subsidiary factory 170
For ton ladle tank bottom, new implementing procedure is formulated for ladle tank bottom, for the service life for improving Ladle Bottom working lining, just must
The ventilative of ladle tank bottom must be laid out again, specific as follows:
(1) complement knot/full knotting is torn to ladle tank bottom permanent layer open, mouth of a river loose tool position is constant, and two ventilative loose tools are simultaneously
It rotates inward 45 degree and installs, be poured Castable for permanent layer of steel ladle and knot；
(2) after the hardening of permanent layer castable, mouth of a river loose tool and ventilative loose tool is removed, nozzle brick and two air bricks are installed,
The construction of bottom working lining is carried out again, and shock plate moves 250mm toward ladle tank bottom center position, is greater than 50mm away from double ventilative intervals, stays
Safe distance out is located at shock plate center at steel stream shock point position；
(3) and in two air brick middle pad diamond spar bricks increase impact strength；
(4) it is poured bottom working lining gravity flow pouring material, castable surface is slightly above shock plate upper surface and vibration compacting.
Improvement through the foregoing embodiment improves the ladle tank bottom working lining service life: the average monthly overhaul tank of the Wuhan Iron and Steel Plant factory
It is 9, average life, the use of bottom working lining, except monthly overhaul tank is 9, will also increase 115 or so 145 or so
Add 2 times and refoots；By using the new method of big pot bottom mounting arrangements, big tank average life is (secondary molten 220 or so
Pond), bottom working lining averagely reaches 215, substantially without refooting, monthly just reduces 2 times and refoots.
Its economic benefit also highly significant: by taking 170 tons of ladles of the Wuhan Iron and Steel Plant web head factory subsidiary factory as an example, the resistance to material of ladle tank bottom disappears
Consume cost price: breathe freely 1028 yuan × 2=2056,1008 yuan of the mouth of a river, and 7080 yuan × 6.5 tons of reinforcement, 6080 yuan of shock plate, total price
For 55164 yuan × 2=110328 member, using this method, whole year reduces 24 times and refoots, and can reduce resistance to material cost 110328 in directly year
Ten thousand yuan of × 24=264.7872.
Claims (5)
1. a kind of ladle tank bottom working lining distributed architecture, including impact zone and non-percussion area (5), building in impact zone has impact
Plate (1), building in non-percussion area has pocket block (2) and two air bricks (3), it is characterised in that: two air brick (3) edge
The former central point for building position in the same direction or counter-rotating in splayed distribution, the shock plate (1) is inverted is placed in two air bricks
(3) position between the inversion splayed formed, center point in steel stream shock point position, and the edge of shock plate (1) away from
Edge Distance from two air bricks (3) is 45~60mm.
2. a kind of ladle tank bottom working lining distributed architecture according to claim 1, it is characterised in that: the ladle tank bottom work
The non-percussion area for making floor is used after constructing two air bricks (3), pocket block (2) and shock plate (1) on permanent ladle layer
It crosses working lining gravity flow pouring material and pours to be formed, castable surface is higher than shock plate (1), and builds between two air bricks (3)
Corundum brick (4) are built.
3. a kind of ladle tank bottom working lining distributed architecture according to claim 1 or 2, it is characterised in that: described two is ventilative
Brick (3) is symmetricly set on ladle tank bottom central axes two sides, and the central point of ladle tank bottom is higher than two air bricks (3)；The impact
Plate (1) is located on the line of symmetry of two air bricks (3), and the central point of shock plate (1) is higher than the packet of central point 1/3 bottom of ladle tank bottom
The distance of radius.
4. a kind of ladle tank bottom working lining distributed architecture according to claim 1 or 2, it is characterised in that: the shock plate
(1) position is built in original move 240~260mm to ladle tank bottom center position.
5. a kind of ladle tank bottom working lining distributed architecture according to claim 1 or 2, it is characterised in that: described two is ventilative
Brick (3) rotates inward 45 degree in inversion splayed distribution along the former central point for building position simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820808839.1U CN208467248U (en) | 2018-05-29 | 2018-05-29 | A kind of ladle tank bottom working lining distributed architecture |
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| CN201820808839.1U CN208467248U (en) | 2018-05-29 | 2018-05-29 | A kind of ladle tank bottom working lining distributed architecture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523966A (en) * | 2019-09-25 | 2019-12-03 | 张家港广大特材股份有限公司 | A kind of double porous cores of ladle |
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2018
- 2018-05-29 CN CN201820808839.1U patent/CN208467248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523966A (en) * | 2019-09-25 | 2019-12-03 | 张家港广大特材股份有限公司 | A kind of double porous cores of ladle |
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