CN110385422A - A kind of building method of steel ladle opening - Google Patents
A kind of building method of steel ladle opening Download PDFInfo
- Publication number
- CN110385422A CN110385422A CN201810338672.1A CN201810338672A CN110385422A CN 110385422 A CN110385422 A CN 110385422A CN 201810338672 A CN201810338672 A CN 201810338672A CN 110385422 A CN110385422 A CN 110385422A
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- CN
- China
- Prior art keywords
- packet mouth
- arc panel
- mouth
- brick
- packet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The present invention relates to a kind of method that steel ladle opening is built, processing step is as follows: arc panel replaces gusset；Unfilled corner brick replaces self-flowing material to build by laying packet mouth；Unfilled corner brick builds by laying packet mouth and increases work layer height.Entire packet mouth is welded to compress refractory brick using monolith arc panel, self-flowing material is stirred for and seals the arc panel clearance position concordant with packet mouth.Arc panel synchronous with permanent layer can use under normal circumstances in use; without repairing repeatedly; more it is the reduction of the labor intensity for repairing worker in packet procedures; refractory brick can more effectively be protected using monolith arc panel simultaneously; improve the resistant to corrosion of steel ladle opening; resistance to erosion ability, steel ladle opening problem can be controlled preferably.
Description
Technical field
The invention belongs to technical field of metallurgy industry, are related to a kind of method that steel ladle opening is built.
Background technique
Steel mill ladle original compresses refractory brick using interval welding gusset on the scope of freedom Bao Kou, reuses self-flowing material package mouth
The method of operation, it is commonly used in steel mill that this ladle builds by laying method.But in use, which gradually leaks out cruelly
Problem mainly has:
1, with the development of management philosophy and technology, molten steel generallys use RH and LF refining technique and liquid slag recycling work
Skill.But in process of production due to stokehold charge weight control it is undesirable or in recovering liquid slag containing molten steel waited it is program-controlled
Deviation processed all be easy to cause ladle to contain molten steel face superelevation, and carrying in ladle leads to melt damage packet mouth pressure in molten steel and steel treatment
Iron makes refractory brick float, and the problems such as bleed-out accident point occurs.
2, it is be easy to cause steel ladle opening slagging, packet mouth processing difficulty is larger, be easy to cause in ladle slag treatment process
Packet mouth loosens, and keeps ladle unplanned offline, impacts to live ladle application plan, influences rhythm of production.
3, packet mouth self-flowing material is easy to fall off, during toppling over the remaining steel slag of ladle casting or toppling over molten steel molten steel, the gusset of welding
Easy melting damage, the ladle for wrapping mouth are easy scaling loss, repair again, welding both increases the labor intensity of worker, and increases
Production cost.
[range of search]: Chinese patent
| Search key | Classification number | Hits |
| Steel ladle edge | / | 1 |
Wherein, related patents quantity: 1
| Invention and created name | The patent No. |
| A kind of steel ladle edge structure | CN103433473A |
Patent publication No CN103433473A, " a kind of steel ladle edge structure " is using vertical wedge metal pressing plate along packet mouth circumference side
To discontinuous welding, increase vertical wedge metal pressing plate distribution density.
Summary of the invention
In order to overcome the disadvantages mentioned above of the prior art, the present invention provides a kind of method that steel ladle opening is built, it is using whole
Block arc panel welds entire packet mouth to compress refractory brick, is stirred for self-flowing material and seals the arc panel clearance position concordant with packet mouth.
Arc panel synchronous with permanent layer can use under normal circumstances in use, without repairing repeatedly, both reduced to repair and wrap
The labor intensity of worker in journey, while refractory brick can more effectively be protected using monolith arc panel, and improve steel ladle opening
Resistant to corrosion, resistance to erosion ability, steel ladle opening problem can be controlled more preferably.
The technical solution adopted by the present invention to solve the technical problems
A kind of method that steel ladle opening is built, processing step are as follows:
1, arc panel replaces gusset: interval welding gusset compresses refractory brick on the former bag opening scope of freedom, reuses self-flowing material package mouth,
It in use as self-flowing material falls off, connects muscle and deforms, melts under high temperature action, refractory brick generation is loosened, floated, and is caused
The generation of all kinds of problems of steel ladle working layer leakage；After arc panel replaces gusset, unfilled corner brick is compressed by arc panel, uses self-flowing material
Arc panel is covered, the raised part of unfilled corner brick protects arc panel, arc panel is made to be unlikely to deform, melt, and preferably raising packet mouth is repaired
Quality is built, has been greatly reduced and has been damaged since gusset melts, packet mouth scaling loss, reparation, the increased worker's labour of welding institute are strong again
Degree, effectively reduces production cost；
2, unfilled corner brick replaces self-flowing material to build by laying packet mouth: building by laying technique using original ladle, builds in refractory brick ring to away from packet mouth
At 200mm, refractory brick is compressed using interval welding gusset, using packet mouth self-flowing material package mouth, artificial stirring, paste patch refractory matter,
This technique of building by laying is easy to cause refractory matter internal defect, and adhesion strength is inadequate, toasts ladle in the process in production, topples over casting
When remaining steel slag, it is easy to cause packet mouth refractory matter serious erosion, washes away and wear, be easy to cause steel ladle opening slagging, packet mouth
Processing difficulty is larger, handles time longer problem, affects rhythm of production；After replacing self-flowing material to build by laying packet mouth using unfilled corner brick,
Anti-erosion, the erosion resistibility of packet mouth refractory material are improved, is reduced non-in the processing difficulty and production process of packet mouth slagging
Plan offline, monthly reduction packet mouth reparation 3~4 times；
3, unfilled corner brick builds by laying packet mouth increase work layer height: building by laying technology using unfilled corner brick, changes the unfilled corner for building 230mm high
Brick substitute self-flowing material package mouth, work layer height relative increase height, ladle contain increase, effectively reduce due to molten steel face compared with
Height occurs the scaling loss of packet mouth in LF treatment process or causes bleed-out accident, causes the problem of burning out equipment, improve ladle
Safe operation.
Beneficial effects of the present invention: entire packet mouth is welded to compress refractory brick using monolith arc panel, is stirred for self-flowing material
Seal the arc panel clearance position concordant with packet mouth.Arc panel in use under normal circumstances can with permanent layer synchronize make
With without repairing repeatedly, being more the reduction of the labor intensity for repairing worker in packet procedures, while can be more effective using monolith arc panel
Refractory brick is protected on ground, improves the resistant to corrosion of steel ladle opening, resistance to erosion ability, steel ladle opening problem can be controlled preferably.
Detailed description of the invention
Fig. 1 is arc plate structure schematic diagram；
Fig. 2 is unfilled corner brick structure schematic diagram；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is that packet mouth builds by laying figure.
In figure: 1- arc panel, 2- unfilled corner brick.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and embodiments.
A kind of method that steel ladle opening is built, processing step are as follows:
1, arc panel 1 replaces gusset: interval welding gusset compresses refractory brick on the former bag opening scope of freedom, reuses self-flowing material package
Mouthful, in use as self-flowing material falls off, connecing muscle and deform, melt under high temperature action, refractory brick generation is loosened, is floated,
Lead to the generation of all kinds of problems of steel ladle working layer leakage；After arc panel 1 replaces gusset, unfilled corner brick 2 is compressed by arc panel 1, is made
Arc panel 1 is covered with self-flowing material, the raised part of unfilled corner brick 2 protects arc panel 1, so that arc panel 1 is unlikely to deform, melted, preferably
Ground improves packet mouth and builds by laying quality, has been greatly reduced and has damaged since gusset melts, packet mouth scaling loss, repairs again, welding is increased
Labor intensity of workers, effectively control production cost；
2, unfilled corner brick 2 builds by laying packet mouth instead of self-flowing material: building by laying technique using original ladle, builds in refractory brick ring to away from packet mouth
At 200mm, refractory brick is compressed using interval welding gusset, using packet mouth self-flowing material package mouth, artificial stirring, paste patch refractory matter,
This technique of building by laying is easy to cause refractory matter internal defect, and adhesion strength is inadequate, toasts ladle in the process in production, topples over casting
When remaining steel slag, it is easy to cause packet mouth refractory matter serious erosion, washes away and wear, be easy to cause steel ladle opening slagging, packet mouth
Processing difficulty is larger, handles time longer problem, affects rhythm of production；After building by laying packet mouth instead of self-flowing material using unfilled corner brick 2,
Anti-erosion, the erosion resistibility of packet mouth refractory material are improved, is reduced non-in the processing difficulty and production process of packet mouth slagging
Plan offline, monthly reduction packet mouth reparation 3~4 times；
3, unfilled corner brick 2 builds by laying packet mouth increase work layer height: building by laying technology using unfilled corner brick 2, changes and build lacking for 230mm high
Angle brick 2 substitutes self-flowing material package mouth, and work layer height relative increase height, and ladle, which contains, to be increased, and effectively reduces due to molten steel
Face is higher, occurs the scaling loss of packet mouth in LF treatment process or causes bleed-out accident, causes the problem of burning out equipment, improve
The safe operation of ladle.
The present invention welds entire packet mouth using monolith arc panel 1 to compress refractory brick, is stirred for self-flowing material and seals arc panel 1
The clearance position concordant with packet mouth.Arc panel 1 synchronous with permanent layer can use under normal circumstances in use, without anti-
Multiple repairing is more the reduction of the labor intensity for repairing worker in packet procedures, while can more effectively protect steel using monolith arc panel 1
Packet brick, improves the resistant to corrosion of steel ladle opening, resistance to erosion ability, and steel ladle opening problem can be controlled preferably.
Claims (1)
1. a kind of method that steel ladle opening is built, it is characterised in that processing step is as follows:
(1) arc panel replaces gusset: interval welding gusset compresses refractory brick on the former bag opening scope of freedom, reuses self-flowing material package
Mouthful, in use as self-flowing material falls off, connecing muscle and deform, melt under high temperature action, refractory brick generation is loosened, is floated,
Lead to the generation of all kinds of problems of steel ladle working layer leakage；After arc panel replaces gusset, unfilled corner brick is compressed by arc panel, using certainly
Stream material covering arc panel, the raised part of unfilled corner brick protect arc panel, arc panel are made to be unlikely to deform, melt, and preferably improve packet
Mouth builds by laying quality, has been greatly reduced and has damaged since gusset melts, packet mouth scaling loss, repairs again, welds increased worker's labor
Fatigue resistance effectively reduces production cost；
(2) unfilled corner brick replaces self-flowing material to build by laying packet mouth: building by laying technique using original ladle, builds in refractory brick ring to away from packet mouth
At 200mm, refractory brick is compressed using interval welding gusset, using packet mouth self-flowing material package mouth, artificial stirring, paste patch refractory matter,
This technique of building by laying is easy to cause refractory matter internal defect, and adhesion strength is inadequate, toasts ladle in the process in production, topples over casting
When remaining steel slag, it is easy to cause packet mouth refractory matter serious erosion, washes away and wear, be easy to cause steel ladle opening slagging, packet mouth
Processing difficulty is larger, handles time longer problem, affects rhythm of production；After replacing self-flowing material to build by laying packet mouth using unfilled corner brick,
Anti-erosion, the erosion resistibility of packet mouth refractory material are improved, is reduced non-in the processing difficulty and production process of packet mouth slagging
Plan offline, monthly reduction packet mouth reparation 3~4 times；
(3) unfilled corner brick builds by laying packet mouth increase work layer height: building by laying technology using unfilled corner brick, changes and build lacking for 230mm high
Angle brick substitutes self-flowing material package mouth, and work layer height relative increase height, and ladle, which contains, to be increased, and effectively reduces due to molten steel face
It is higher, occur the scaling loss of packet mouth in LF treatment process or cause bleed-out accident, causes the problem of burning out equipment, improve steel
The safe operation of packet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338672.1A CN110385422A (en) | 2018-04-16 | 2018-04-16 | A kind of building method of steel ladle opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338672.1A CN110385422A (en) | 2018-04-16 | 2018-04-16 | A kind of building method of steel ladle opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110385422A true CN110385422A (en) | 2019-10-29 |
Family
ID=68282948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338672.1A Pending CN110385422A (en) | 2018-04-16 | 2018-04-16 | A kind of building method of steel ladle opening |
Country Status (1)
| Country | Link |
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| CN (1) | CN110385422A (en) |
Citations (12)
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|---|---|---|---|---|
| CN2195396Y (en) * | 1994-05-31 | 1995-04-26 | 本溪冶金高等专科学校 | Intergral lining casting ladle |
| US5499798A (en) * | 1994-02-22 | 1996-03-19 | Usx Corporation | Refractory retaining apparatus |
| CN2910424Y (en) * | 2006-04-07 | 2007-06-13 | 唐山钢铁股份有限公司 | Edge wraping structure for preventing brick from falled and enlarging ap of brick |
| CN201371231Y (en) * | 2008-11-18 | 2009-12-30 | 北京科技大学 | Steel ladle edge structure of long service life |
| JP2010167486A (en) * | 2009-01-26 | 2010-08-05 | Nippon Steel Corp | Ladle having metal plate for preventing falling of refractory, and fitting method therefor |
| CN202779753U (en) * | 2012-06-21 | 2013-03-13 | 莱芜钢铁集团有限公司 | Ladle working lining |
| CN103433473A (en) * | 2013-08-30 | 2013-12-11 | 秦皇岛首秦金属材料有限公司 | Steel ladle edge covering structure |
| CN203343426U (en) * | 2013-07-11 | 2013-12-18 | 营口和隆耐火材料有限公司 | Steel ladle edge forsterite carbon brick |
| CN203751324U (en) * | 2014-04-16 | 2014-08-06 | 浙江长兴强立耐火材料有限公司 | Steel ladle with improved ladle port structure |
| CN205629356U (en) * | 2016-05-19 | 2016-10-12 | 齐春富 | Refining furnace steel ladle package is followed |
| CN106270471A (en) * | 2016-09-18 | 2017-01-04 | 中冶宝钢技术服务有限公司 | The steel ladle opening one-piece casting of resistance to material technique |
| CN107282917A (en) * | 2017-07-25 | 2017-10-24 | 安阳钢铁股份有限公司 | Method is built by laying on a kind of new ladle and its bag edge |
-
2018
- 2018-04-16 CN CN201810338672.1A patent/CN110385422A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5499798A (en) * | 1994-02-22 | 1996-03-19 | Usx Corporation | Refractory retaining apparatus |
| CN2195396Y (en) * | 1994-05-31 | 1995-04-26 | 本溪冶金高等专科学校 | Intergral lining casting ladle |
| CN2910424Y (en) * | 2006-04-07 | 2007-06-13 | 唐山钢铁股份有限公司 | Edge wraping structure for preventing brick from falled and enlarging ap of brick |
| CN201371231Y (en) * | 2008-11-18 | 2009-12-30 | 北京科技大学 | Steel ladle edge structure of long service life |
| JP2010167486A (en) * | 2009-01-26 | 2010-08-05 | Nippon Steel Corp | Ladle having metal plate for preventing falling of refractory, and fitting method therefor |
| CN202779753U (en) * | 2012-06-21 | 2013-03-13 | 莱芜钢铁集团有限公司 | Ladle working lining |
| CN203343426U (en) * | 2013-07-11 | 2013-12-18 | 营口和隆耐火材料有限公司 | Steel ladle edge forsterite carbon brick |
| CN103433473A (en) * | 2013-08-30 | 2013-12-11 | 秦皇岛首秦金属材料有限公司 | Steel ladle edge covering structure |
| CN203751324U (en) * | 2014-04-16 | 2014-08-06 | 浙江长兴强立耐火材料有限公司 | Steel ladle with improved ladle port structure |
| CN205629356U (en) * | 2016-05-19 | 2016-10-12 | 齐春富 | Refining furnace steel ladle package is followed |
| CN106270471A (en) * | 2016-09-18 | 2017-01-04 | 中冶宝钢技术服务有限公司 | The steel ladle opening one-piece casting of resistance to material technique |
| CN107282917A (en) * | 2017-07-25 | 2017-10-24 | 安阳钢铁股份有限公司 | Method is built by laying on a kind of new ladle and its bag edge |
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| 刘爱云: "钢包口钢圈、内衬应力及钢包预热", 《国外耐火材料》 * |
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Application publication date: 20191029 |