CN203917893U - Inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball - Google Patents
Inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball Download PDFInfo
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- CN203917893U CN203917893U CN201420319210.2U CN201420319210U CN203917893U CN 203917893 U CN203917893 U CN 203917893U CN 201420319210 U CN201420319210 U CN 201420319210U CN 203917893 U CN203917893 U CN 203917893U
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Abstract
At the bottom of ball, an inner lining structure at the bottom of the ball of ladle, belongs to ladle equipment technical field, for improving corrosion resistance at the bottom of spherical ladle ball.Its technical scheme is: at the bottom of its ball, working lining lining cutting is in permanent layer at the bottom of ball, and at the bottom of ball, working lining is double-decker, is made up of brick at the bottom of upper layer packets and lower floor's bag end brick, and lower floor's bag end brick masonry lining is in permanent layer at the bottom of ball, and at the bottom of upper layer packets, brick masonry lining is on lower floor's bag end brick; At the bottom of upper layer packets, brick and lower floor bag end brick is made up of brick at the bottom of a centre runner brick and polylith bag respectively, at the bottom of polylith bag brick around centre runner brick, bag end brick along cambered surface at the bottom of ball upwards lining cutting be multiple annulus.At the bottom of ball of the present utility model, working lining adopts brick masonry at the bottom of double-deck wedge shape bag, has improved the corrosion resistance at the bottom of the bag of ladle, prevents the production accidents such as bottom pour ladle and occurs, and the security performance of ladle improves; Can save bag end brick consumption 30%, better economy; Be conducive to molten iron handbag and improve age, the ladle life-span is brought up to 1800 stoves of this masonry method from 800 stoves of castable.
Description
Technical field
The utility model relates to inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball in STEELMAKING PRODUCTION, belongs to ladle equipment technical field.
Background technology
In steelmaking process, wherein one important procedure is to pack converter into by blast-melted, and this need to transport a certain amount of molten iron by ladle, and the ladle involucrum using at present has two kinds of shapes at the bottom of flat and ball.
At the bottom of ball, the advantage of ladle compared with flat ladle shows the following aspects: first, at the bottom of ball box hat stressed good, intensity is high, security good; Secondly, in the time carrying out molten iron pretreatment, the flow field patterns ideal of molten iron in iron bag, mixing time is short, does not have " dead band ", is conducive to the inclusion floating after desulfurization; Have, resistance to material corrosion resistance at the bottom of ball floor iron water handbag, shock resistance are good, are conducive to the safe handling of ladle again.Therefore at the bottom of adopting ball, ladle is very general.
But at the bottom of ball, ladle also has following deficiency: the one, at the bottom of ball, build palpus arch brick by laying bricks or stones, and brick shape is many, it is large to build by laying difficulty; Er Shiqiudi center coordinates difficulty large with peripheral brick, large and difficult elimination the in conjunction with gap; The 3rd, after bag end brick corrodes, repair difficulty.Therefore the moulding by casting that adopt at the bottom of ladle ball more, corrosion resistance is poor, and at the bottom of ball, centre is corroded particularly serious.
Utility model content
Technical problem to be solved in the utility model is to provide inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball, adopt at the bottom of the ball of this structure corrosion resistance at the bottom of ladle ball to improve, the incidence that occurs the production accidents such as bottom pour ladle reduces, the security of ladle is improved, and has also improved the bag age of ladle.
The technical scheme solving the problems of the technologies described above is:
Inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball, at the bottom of its ball, formed by working lining at the bottom of permanent layer at the bottom of ball and ball, at the bottom of ball, permanent layer covers at the bottom of the ball of ladle on box hat, at the bottom of ball, working lining lining cutting is in permanent layer at the bottom of ball, its improvements are that at the bottom of ball, working lining is double-decker, is made up of brick at the bottom of upper layer packets and lower floor's bag end brick, lower floor's bag end brick masonry lining is in permanent layer at the bottom of ball, and at the bottom of upper layer packets, brick masonry lining is on lower floor's bag end brick.
Inner lining structure at the bottom of the ball of ladle at the bottom of above-mentioned ball, at the bottom of described upper layer packets, brick and lower floor's bag end brick are made up of brick at the bottom of a centre runner brick and polylith bag respectively, centre runner brick is truncated cone-shaped, centre runner brick is positioned at ladle Qiu Di center, at the bottom of polylith bag, brick is around centre runner brick, around brick at the bottom of the bag of centre runner brick along cambered surface at the bottom of ball upwards lining cutting be multiple annulus, in adjacent annulus two relatively the width of the relative upper and lower end faces of bag end bricks match.
Inner lining structure at the bottom of the ball of ladle at the bottom of above-mentioned ball, described every bag end brick is wedge shape hexahedron, hexahedral six faces of wedge shape are trapezoidal, the hexahedral front end face of wedge shape is relative with the rear end face coupling of brick at the bottom of centre runner brick or front lower place bag, the hexahedral rear end face of wedge shape is relative with the front end face coupling of brick at the bottom of the bag of back upper place, the hexahedral upper surface of wedge shape is less than the hexahedral bottom surface of wedge shape, and the hexahedral left and right of wedge shape end face matches.
The beneficial effects of the utility model are:
At the bottom of ball of the present utility model, working lining adopts brick masonry at the bottom of double-deck wedge shape bag, in ladle use procedure, falls the defect such as brick, Qiu Di local erosion at the bottom of being conducive to observe the ball that ladle occurs; Even brick has the abnormal situation that corrodes at the bottom of there is upper layer packets, lower floor's bag end brick also can be protected, and prevents the production accidents such as bottom pour ladle and occurs, and ladle security improves.From actual make for, when ladle normally rolls off the production line overhaul, lower floor bag end brick can remain intact substantially, only need change brick at the bottom of upper layer packets contact with molten iron, can save and wrap end brick consumption 30%, better economy.
The utility model adopts the design of brick at the bottom of centre runner brick and wedge shape bag at the bottom of truncated cone-shaped bag, solved centre runner brick coordinates difficulty, and difficult elimination large in conjunction with gap problem with brick at the bottom of periphery bag, builds by laying difficulty at the bottom of having reduced spherical bag.
At the bottom of ball of the present utility model, brick all adopts machine moulding, has improved the corrosion resistance at the bottom of the bag of ladle, and the security performance of ladle improves, and is conducive to molten iron handbag and improves age, and the ladle life-span is brought up to 1800 stoves of this masonry method from 800 stoves of castable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the normal axomometric drawing that bag end brick connects;
Fig. 3 is the front view of Fig. 2;
Fig. 4 is the side view of Fig. 2;
Fig. 5 is the top view of laying bricks at the bottom of ball;
Fig. 6 is the front view of centre runner brick;
Fig. 7 is the top view of centre runner brick;
Fig. 8 is the normal axomometric drawing of bag end brick;
Fig. 9 is the front view of bag end brick;
Figure 10 is the side view of bag end brick;
Figure 11 is the top view of bag end brick.
In figure, mark is as follows: brick 6, lower floor's bag end brick 7, centre runner brick 8, bag end brick 9 at the bottom of working lining 5, upper layer packets at the bottom of permanent layer 4, ball at the bottom of transition zone 2 at bag wall permanent layer 1, the Bao Biyu bag end, bag wall working lining 3, ball.
Detailed description of the invention
The related ladle of the utility model comprises working lining 5 at the bottom of permanent layer 4 at the bottom of transition zone 2 at wall permanent layer 1, the Bao Biyu bag end, bag wall working lining 3, ball, ball.Wherein, at the bottom of ball, permanent layer 4 covers at the bottom of the ball of ladle on box hat, and at the bottom of ball, working lining 5 lining cutting are in permanent layer at the bottom of ball 4.
In figure, show, at the bottom of ball, working lining 5 is double-decker, is made up of brick at the bottom of upper layer packets 6 and lower floor bag end brick 7, and lower floor's bag end brick 7 lining cutting are in permanent layer at the bottom of ball 4, and at the bottom of upper layer packets, brick 6 lining cutting are on lower floor's bag end brick 7.
At the bottom of ball, working lining 5 adopts the advantage of double-deck bag end brick masonry structures: the one, in ladle use procedure, fall the defect such as brick, Qiu Di local erosion at the bottom of being conducive to observe the ball that ladle occurs; The 2nd, even brick has the abnormal situation that corrodes at the bottom of there is upper layer packets, lower floor's bag end brick also can be protected, and prevents the production accidents such as bottom pour ladle and occurs, and ladle security improves.From actual make for, when ladle normally rolls off the production line overhaul, lower floor bag end brick can remain intact substantially, only need change brick at the bottom of upper layer packets contact with molten iron, can save and wrap end brick consumption 30%, better economy.
In figure, show, at the bottom of upper layer packets, brick 6 and lower floor's bag end brick 7 are made up of brick 9 at the bottom of a centre runner brick 8 and polylith bag respectively.Centre runner brick 8 is truncated cone-shaped, centre runner brick 8 is positioned at ladle Qiu Di center, at the bottom of polylith bag, brick 9 is around centre runner brick 8, around brick 9 at the bottom of the bag of centre runner brick 8 along cambered surface at the bottom of ball upwards lining cutting be multiple annulus, in adjacent annulus two relatively the width of the relative upper and lower end faces of bag end bricks 9 match.
In figure, show, every bag end brick 9 is wedge shape hexahedron, hexahedral six faces of wedge shape are trapezoidal, the hexahedral front end face of wedge shape is relative with the rear end face coupling of brick 9 at the bottom of centre runner brick 8 or front lower place bag, the hexahedral rear end face of wedge shape is relative with the front end face coupling of brick 9 at the bottom of the bag of back upper place, the hexahedral upper surface of wedge shape is less than the hexahedral bottom surface of wedge shape, and the hexahedral left and right of wedge shape end face matches.
The brick type design of bag end brick 9 matches with at the bottom of spherical bag, first circular arc plane at the bottom of ball is divided into annulus from bottom to top, the circle of center of arc is the round platform plane of centre runner brick 8, distance between adjacent annulus is the length of bag end brick 9, again multiple diameters at Yong Guoqiudi center by ball at the bottom of circular arc plane be divided into equal equal portions, distance between adjacent diameter is the width of bag end brick 9, after cutting apart like this, can obtain from bottom to top brick 9 at the bottom of multi-turn bag, each circle bag end brick 9 again by brick 9 at the bottom of the bag of polylith equal wide around forming.At the bottom of each the piece bag forming like this, six faces of brick 9 are trapezoidal, and from volume, the volume minimum of ball base ring brick 9 at the bottom of the bag of centre runner brick 8, increases from bottom to top gradually, and the working face of bag end brick 9 can be processed into plane
An embodiment of the present utility model is as follows:
At the bottom of upper layer packets, brick 6 and lower floor bag end brick 7 is 7 circles from top to bottom, and at the bottom of upper layer packets, brick 6 is relative with the edge of the centre runner brick 8 of lower floor bag end brick 7, the round platform forming a whole.Equally, at the bottom of upper layer packets, at the bottom of the first lap bag of brick 6 and lower floor bag end brick 7, the side of brick 9 is also neat relative up and down with front/rear end, and the second circle is neatly relative too with lower floor bag end brick 7 to brick 6 at the bottom of the 7th circle upper layer packets.
At the bottom of the bag of each circle, the quantity of brick 9 will be considered the size in gap, the intensity of bag end brick 9 and the difficulty of making.Because centre runner brick 8 is truncated cone-shaped, around brick more than 9 at the bottom of a bag enclosing of centre runner brick 8, the length of side of bag end brick 9 front end faces is less, with centre runner brick 8 to contact gap less, while building by laying, security is higher, but it is less to wrap the less width that wraps end brick 9 of the length of side of end brick 9 front end faces, and the intensity of every bag end brick 9 is had to impact, mould is too little simultaneously also has any problem for processing, must select suitable quantity.The present embodiment is selected 24 bag end bricks 9 of each circle, cuts apart with 15 degree intervals by arc surface at the bottom of ball.
First the utility model will make according to design drawing the mould of centre runner brick 8 and bag end brick 9 in the time of lining construction, then adopts mechanical pressing to make centre runner brick 8 and bag end brick 9.
Lining cutting is carried out according to the following steps:
1) first use permanent layer tire by ball at the bottom of permanent layer 4 castables, play tire, dry.
2) the spherical crown central point of permanent layer 4 at the bottom of place kick.
3) by 8 of centre runner bricks on spherical crown central point.
4) build successively brick 9 at the bottom of first lap bag by laying bricks or stones around centre runner brick 8, the gap filling joint filler between bag end brick 9 and centre runner brick 8.
5) afterwards, successively by brick 9 lining cutting at the bottom of each circle bag in permanent layer at the bottom of ball 4.
6) after lower floor's bag end brick 7 finishes building, with brick 6 at the bottom of same method block upper layer packets.
Claims (3)
1. inner lining structure at the bottom of the ball of ladle at the bottom of a ball, at the bottom of its ball, formed by working lining (5) at the bottom of permanent layer at the bottom of ball (4) and ball, permanent layer at the bottom of ball (4) covers at the bottom of the ball of ladle on box hat, working lining at the bottom of ball (5) lining cutting is in permanent layer at the bottom of ball (4), it is characterized in that: working lining at the bottom of ball (5) is double-decker, formed by brick at the bottom of upper layer packets (6) and lower floor's bag end brick (7), lower floor's bag end brick (7) lining cutting permanent layer (4) at the bottom of ball is upper, and brick at the bottom of upper layer packets (6) lining cutting is on lower floor's bag end brick (7).
2. inner lining structure at the bottom of the ball of ladle at the bottom of ball according to claim 1, it is characterized in that: brick at the bottom of described upper layer packets (6) and lower floor's bag end brick (7) are made up of brick (9) at the bottom of a centre runner brick (8) and polylith bag respectively, centre runner brick (8) is truncated cone-shaped, centre runner brick (8) is positioned at ladle Qiu Di center, brick at the bottom of polylith bag (9) is around centre runner brick (8), around brick (9) at the bottom of the bag of centre runner brick (8) along cambered surface at the bottom of ball upwards lining cutting be multiple annulus, in adjacent annulus two relatively the width of the relative upper and lower end faces of bag end bricks (9) match.
3. inner lining structure at the bottom of the ball of ladle at the bottom of ball according to claim 2, it is characterized in that: described every bag end brick (9) is wedge shape hexahedron, hexahedral six faces of wedge shape are trapezoidal, the hexahedral front end face of wedge shape is relative with the rear end face coupling of brick (9) at the bottom of centre runner brick (8) or front lower place bag, the hexahedral rear end face of wedge shape is relative with the front end face coupling of brick (9) at the bottom of the bag of back upper place, the hexahedral upper surface of wedge shape is less than the hexahedral bottom surface of wedge shape, and the hexahedral left and right of wedge shape end face matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319210.2U CN203917893U (en) | 2014-06-16 | 2014-06-16 | Inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319210.2U CN203917893U (en) | 2014-06-16 | 2014-06-16 | Inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball |
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| Publication Number | Publication Date |
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| CN203917893U true CN203917893U (en) | 2014-11-05 |
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| CN201420319210.2U Active CN203917893U (en) | 2014-06-16 | 2014-06-16 | Inner lining structure at the bottom of the ball of ladle at the bottom of a kind of ball |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500249A (en) * | 2018-04-04 | 2018-09-07 | 武汉精鼎科技股份有限公司 | A kind of the packet bottom inner lining structure and building method of Spherical Bottom ladle |
-
2014
- 2014-06-16 CN CN201420319210.2U patent/CN203917893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500249A (en) * | 2018-04-04 | 2018-09-07 | 武汉精鼎科技股份有限公司 | A kind of the packet bottom inner lining structure and building method of Spherical Bottom ladle |
| CN108500249B (en) * | 2018-04-04 | 2024-01-12 | 武汉精鼎科技股份有限公司 | Ladle bottom lining structure of spherical bottom ladle and masonry method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee after: River steel Limited by Share Ltd Tangshan branch Address before: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee before: Hebei Steel Co., Ltd., Tangshan Branch |