CN108097943A - A kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag - Google Patents
A kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag Download PDFInfo
- Publication number
- CN108097943A CN108097943A CN201810067557.5A CN201810067557A CN108097943A CN 108097943 A CN108097943 A CN 108097943A CN 201810067557 A CN201810067557 A CN 201810067557A CN 108097943 A CN108097943 A CN 108097943A
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- China
- Prior art keywords
- thermal insulation
- insulation board
- cast
- layer
- iron
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
A kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag belongs to blast-melted bag equipment technical field, for extending the service life of the liner of vanadium-titanium-iron-water bag.Its technical solution is：Thermal insulation layer thermal insulation board is fixed on anchoring hook, anchoring hook is fixedly connected with involucrum, permanent layer and working lining are located at thermal insulation layer thermal insulation board both sides respectively, permanent layer is connected with involucrum cast, working lining cast is connected on thermal insulation layer thermal insulation board, permanent layer uses lightweight amorphous refractory, cast thickness is 150 200mm, thermal insulation layer thermal insulation board is hard heat-insulated plate, working lining uses heavy amorphous refractory, it is 150 300mm that the molten iron of working lining, which washes away region cast thickness, and other normal region cast thickness are 60 120mm.The present invention can meet the needs for holding molten iron, extend the usage time of liner, and can simplify casting process, save resistance to material, reduce labor strength, reduce cost, moreover it is possible to improve the Sheng iron of ladle.
Description
Technical field
The present invention relates to a kind of liners and its pouring procedure applied to ladle, belong to blast-melted bag equipment and technology neck
Domain.
Background technology
In order to prevent high temperature liquid iron to the washing away of ladle, corrode, ensure that ladle does not occur to leak iron accident, existing molten iron
Ladle-lining is formed by permanent layer, thermal insulation layer and laying fireproof bricks, and vanadium-titanium-iron-water bag and common ladle application technology are basically identical.
It is found in produce reality, vanadium-titanium-iron-water bag is different from common ladle damage mechanism, and common ladle refractory brick gradually corrodes change
It is thin, it is thin to carry out large repairs afterwards to a certain extent；And vanadium-titanium-iron-water bag gradually bonds slag iron, liner is more and more thicker, is reaching Sheng iron
Deficiency or part have to carry out large repairs when oozing iron phenomenon.Since vanadium-titanium-iron-water bag is different from common ladle damage mechanism,
The liner and building method of vanadium-titanium-iron-water bag can be changed, to adapt to the service condition of vanadium-titanium-iron-water bag.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag, this
Kind molten iron ladle-lining and pouring procedure can simplify vanadium-titanium-iron-water bag and build by laying bricks or stones under the premise of the normal use of vanadium-titanium-iron-water bag is ensured
Mode saves resistance to material, reduces labor strength, reduces cast cost.
Solving the technical solution of above-mentioned technical problem is：
A kind of liner applied to vanadium-titanium-iron-water bag, it is made of permanent layer, thermal insulation layer thermal insulation board, working lining, thermal insulation layer heat preservation
Plate is fixed on anchoring hook, and anchoring hook is fixedly connected with involucrum, and permanent layer and working lining are located at thermal insulation layer thermal insulation board both sides respectively,
Permanent layer is connected with involucrum cast, and working lining cast is connected on thermal insulation layer thermal insulation board, and permanent layer uses lightweight indefinite form fire resisting
Material, cast thickness are 150-200mm, and thermal insulation layer thermal insulation board is hard heat-insulated plate, and working lining uses heavy indefinite form fire proofed wood
Material, it is 150-300mm that the molten iron of working lining, which washes away region cast thickness, and other normal region cast thickness are 60-120mm.
Above application is less than in the liner of vanadium-titanium-iron-water bag, the proportion of the lightweight amorphous refractory of the permanent layer
2.0*103kg/m3More than 1.5*103kg/m3, the proportion of the heavy amorphous refractory of working lining is more than 2.2*103kg/m3。
In the pouring procedure of the liner of vanadium-titanium-iron-water bag, it is carried out one such application using following steps：
The first step checks that the construction quality of the anchoring hook on molten iron involucrum reaches design requirement, anchoring hook height 100- before pouring into a mould
150mm is spaced 200*200mm；
Second step installs thermal insulation layer thermal insulation board and anchoring hook cooperation, is designed with fixing bolt on thermal insulation layer thermal insulation board, fixing bolt with
Anchoring hook is connected, and anchoring hook plays the role of supporting thermal insulation layer thermal insulation board when cast, plays and is fixed forever after cast
Long layer effect；
3rd step, has propped up mold, and the heavy amorphous refractory pouring heat insulating layer of working lining is kept the temperature plate surface, working lining
It is 150-300mm, other normal region 60-120mm that molten iron, which washes away region cast thickness,；
The lightweight amorphous refractory of permanent layer is cast between thermal insulation layer thermal insulation board and involucrum by the 4th step, pours into a mould thickness
For 150-200mm；
5th step, rear form removal, comes into operation after by drying out curve, ladle is toasted for 24 hours.
The beneficial effects of the invention are as follows：
The present invention breaches the mode of traditional laying fireproof bricks ladle, is directly cast in ladle with indefinite form fire proofed wood
On involucrum inner wall, wherein selecting relatively lightweight refractory material close to involucrum, heavy refractory material is selected close to molten iron, there is hard in centre
Thermal insulation layer thermal insulation board, thermal insulation layer thermal insulation board can each serve as mold and heat-blocking action, have good heat preservation and buffering harmomegathus
Effect, working lining intensity guarantee the initial stage of bearing and hold washing away for molten iron, and the middle and later periods is by the slag iron protection liner of bonding.
The liner and pouring procedure of the present invention can meet the needs for holding molten iron, extend the usage time of liner, and can be with
Simplify casting process, save resistance to material, reduce labor strength, reduce cost, moreover it is possible to improve the Sheng iron of ladle.
Description of the drawings
Fig. 1 is the ladle and inner lining structure schematic diagram of the present invention；
Fig. 2 is the structure diagram of existing ladle and liner.
It is marked in figure as follows：Involucrum 1, anchoring hook 2, working lining 3, permanent layer 4, thermal insulation layer thermal insulation board 5, working lining lay bricks 6,
Permanent layer coating 7, thermal insulation layer bulk cargo 8.
Specific embodiment
Fig. 2 shows, existing molten iron ladle-lining is laid bricks 6, permanent layer coating 7,8 knot of thermal insulation layer bulk cargo using working lining
Structure.The molten iron ladle-lining of this structure when holding vanadium-titanium-iron-water, slag iron be gradually bonded in liner working lining lay bricks on, liner
It is increasingly thicker, it influences to hold the capacity of molten iron, and also masonry way is complicated, and more using resistance to material, labor strength is big, repair
It is of high cost.
Fig. 1 shows that liner of the present invention is made of permanent layer 4, thermal insulation layer thermal insulation board 5, working lining 3.Thermal insulation layer thermal insulation board 5 is solid
It is scheduled on anchoring hook 2, anchoring hook 2 is fixedly connected with 1 shell of bag, and permanent layer 4 and working lining 3 are located at 5 liang of thermal insulation layer thermal insulation board respectively
Side, permanent layer 4 are connected with the cast of involucrum 1, and the cast of working lining 3 is connected on thermal insulation layer thermal insulation board 5.
Fig. 1 shows that permanent layer 4 uses lightweight amorphous refractory, the ratio of the lightweight amorphous refractory of permanent layer 4
It is less than 2.0*10 again3kg/m3More than 1.5*103kg/m3, cast thickness is 150-200mm.
Thermal insulation layer thermal insulation board 5 is hard heat-insulated plate, and thermal insulation layer thermal insulation board 5 can each serve as mold and heat-blocking action, is had
There are good heat preservation and buffering harmomegathus effect.
Working lining 3 uses heavy amorphous refractory, and the proportion of the heavy amorphous refractory of working lining 3 is more than
2.2*103kg/m3, it is 150-300mm that the molten iron of working lining 3, which washes away region cast thickness, and other normal region cast thickness are
60-120mm。
Fig. 1 shows that liner pouring procedure of the invention is carried out using following steps：
The first step checks that the construction quality of the anchoring hook 2 on molten iron involucrum 1 reaches design requirement, 2 height of anchoring hook before pouring into a mould
100-150mm is spaced 200*200mm；
Thermal insulation layer thermal insulation board 5 and anchoring hook 2 are coordinated installation, fixing bolt are designed on thermal insulation layer thermal insulation board 5 by second step, fixed
Bolt is connected with anchoring hook 2, and anchoring hook 2 plays the role of supporting thermal insulation layer thermal insulation board 5 when cast, is played after cast
Fixed permanent layer 4 acts on；
3rd step, has propped up mold, by 5 surface of heavy amorphous refractory pouring heat insulating layer thermal insulation board of working lining 3, working lining
3 molten iron wash away region cast thickness be 150-300mm, other normal region 60-120mm；
The lightweight amorphous refractory of permanent layer 4 is cast between thermal insulation layer thermal insulation board 5 and involucrum 1 by the 4th step, and cast is thick
It spends for 150-200mm；
5th step, rear form removal, comes into operation after by drying out curve, ladle is toasted for 24 hours.
In above-mentioned casting process, amorphous refractory disposal pouring is completed；The amorphous refractory of permanent layer
It is smaller than the amorphous refractory proportion of working lining；Amorphous refractory thickness differs, and washes away position and bag bottom in molten iron and fits
Work as thickening.
Claims (3)
1. a kind of liner applied to vanadium-titanium-iron-water bag, it is characterised in that：It is by permanent layer（4）, thermal insulation layer thermal insulation board（5）, work
Make layer（3）Composition, thermal insulation layer thermal insulation board（5）It is fixed on anchoring hook（2）On, anchoring hook（2）With involucrum（1）It is fixedly connected, permanently
Layer（4）And working lining（3）It is located at thermal insulation layer thermal insulation board respectively（5）Both sides, permanent layer（4）With involucrum（1）Cast connection, working lining
（3）Cast is connected to thermal insulation layer thermal insulation board（5）On, permanent layer（4）Using lightweight amorphous refractory, cast thickness is 150-
200mm, thermal insulation layer thermal insulation board（5）For hard heat-insulated plate, working lining（3）Using heavy amorphous refractory, working lining（3）'s
It is 150-300mm that molten iron, which washes away region cast thickness, and other normal region cast thickness are 60-120mm.
2. the liner according to claim 1 applied to vanadium-titanium-iron-water bag, it is characterised in that：The permanent layer（4）It is light
The proportion of matter amorphous refractory is less than 2.0*103kg/m3More than 1.5*103kg/m3, working lining（3）Heavy indefinite form it is resistance to
The proportion of fiery material is more than 2.2*103kg/m3。
3. one such application is in the pouring procedure of the liner of vanadium-titanium-iron-water bag, it is characterised in that：It is carried out using following steps：
The first step checks molten iron involucrum before pouring into a mould（1）On anchoring hook（2）Construction quality reach design requirement, anchoring hook（2）
Height 100-150mm is spaced 200*200mm；
Second step, by thermal insulation layer thermal insulation board（5）With anchoring hook（2）Cooperation installation, thermal insulation layer thermal insulation board（5）On be designed with fixation
Bolt, fixing bolt and anchoring hook（2）It is connected, anchoring hook（2）Support thermal insulation layer thermal insulation board is played when cast（5）Work
With playing fixed permanent layer after cast（4）Effect；
3rd step, has propped up mold, by working lining（3）Heavy amorphous refractory pouring heat insulating layer thermal insulation board（5）Surface, work
Make layer（3）Molten iron wash away region cast thickness be 150-300mm, other normal region 60-120mm；
4th step, by permanent layer（4）Lightweight amorphous refractory be cast in thermal insulation layer thermal insulation board（5）With involucrum（1）Between,
Cast thickness is 150-200mm；
5th step, rear form removal, comes into operation after by drying out curve, ladle is toasted for 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810067557.5A CN108097943A (en) | 2018-01-24 | 2018-01-24 | A kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810067557.5A CN108097943A (en) | 2018-01-24 | 2018-01-24 | A kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108097943A true CN108097943A (en) | 2018-06-01 |
Family
ID=62220368
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810067557.5A Withdrawn CN108097943A (en) | 2018-01-24 | 2018-01-24 | A kind of liner and pouring procedure applied to vanadium-titanium-iron-water bag |
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| CN (1) | CN108097943A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687401A (en) * | 2019-03-11 | 2020-09-22 | 中冶宝钢技术服务有限公司 | Heat-insulating construction process for tundish |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471771A (en) * | 1990-07-13 | 1992-03-06 | Ask:Kk | Heat insulating lining for ladle |
| CN1919499A (en) * | 2005-08-22 | 2007-02-28 | 崔东瑞 | Ladle neck bush pouring technique |
| CN102626773A (en) * | 2012-05-04 | 2012-08-08 | 苏州罗卡节能科技有限公司 | Continuous casting tundish |
| CN202427934U (en) * | 2011-11-14 | 2012-09-12 | 山东钢铁股份有限公司 | Tundish |
| CN203209682U (en) * | 2013-05-02 | 2013-09-25 | 濮阳濮耐高温材料（集团）股份有限公司 | Continuous casting tundish permanent layer and continuous casting tundish comprising permanent layer |
| CN204545399U (en) * | 2015-04-30 | 2015-08-12 | 方大特钢科技股份有限公司 | Tundish insulation construction |
| CN107538003A (en) * | 2016-06-23 | 2018-01-05 | 湖北星源科技有限公司 | long-life ladle |
-
2018
- 2018-01-24 CN CN201810067557.5A patent/CN108097943A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471771A (en) * | 1990-07-13 | 1992-03-06 | Ask:Kk | Heat insulating lining for ladle |
| CN1919499A (en) * | 2005-08-22 | 2007-02-28 | 崔东瑞 | Ladle neck bush pouring technique |
| CN202427934U (en) * | 2011-11-14 | 2012-09-12 | 山东钢铁股份有限公司 | Tundish |
| CN102626773A (en) * | 2012-05-04 | 2012-08-08 | 苏州罗卡节能科技有限公司 | Continuous casting tundish |
| CN203209682U (en) * | 2013-05-02 | 2013-09-25 | 濮阳濮耐高温材料（集团）股份有限公司 | Continuous casting tundish permanent layer and continuous casting tundish comprising permanent layer |
| CN204545399U (en) * | 2015-04-30 | 2015-08-12 | 方大特钢科技股份有限公司 | Tundish insulation construction |
| CN107538003A (en) * | 2016-06-23 | 2018-01-05 | 湖北星源科技有限公司 | long-life ladle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687401A (en) * | 2019-03-11 | 2020-09-22 | 中冶宝钢技术服务有限公司 | Heat-insulating construction process for tundish |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180601 |
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| WW01 | Invention patent application withdrawn after publication |