CN205501342U - Converter furnace lining structure - Google Patents
Converter furnace lining structure Download PDFInfo
- Publication number
- CN205501342U CN205501342U CN201620203380.3U CN201620203380U CN205501342U CN 205501342 U CN205501342 U CN 205501342U CN 201620203380 U CN201620203380 U CN 201620203380U CN 205501342 U CN205501342 U CN 205501342U
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- China
- Prior art keywords
- carbon brick
- magnesia carbon
- annular
- brick body
- furnace
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a converter furnace lining structure, including the furnace body in the outside, with furnace body connected's permanent layer furnace wall, the inboard of permanent layer furnace wall is equipped with the operational layer furnace wall, the operational layer furnace wall includes stove bottom, molten bath, and the molten bath bottom is connected with the stove bottom, the molten bath is passed through the stack of the multilayer annular magnesium carbon brick body at the direction of height and is formed molten bath overall structure, the horizontal length of the multilayer annular magnesium carbon brick body progressively elongated to the lower floor from the upper strata, molten bath thickness taper thickened from the upper strata to the lower floor, the inner chamber diameter from the upper strata to each layer of lower floor diminishes gradually. The utility model discloses can slow down the speed that molten bath furnace wall brick corrodes, prolong the life -span of converter lining, guarantee furnace wall safety, reduce the magnesia material of converter production process and the consumption of mending material moreover.
Description
Technical field
This utility model relates to steelmaking equipment technical field, particularly relates to a kind of essemer converter furnace lining structure.
The block stove new method of converter lining bulk life time can be extended, reduce converter producing cost.
Background technology
The furnace lining furnace-building method of steelmaking converter of the prior art is integrated block heater, i.e. according to converter smelting process
And smelting cycle, for the graded rule of molten steel temperature drop in smelting process, the structure of converter lining is entered
Row is analyzed, and considers efficient, long-life, low consumption and in the case of frequent grate, it is ensured that maximum
Safety coefficient, it is determined that the scheme of two-layer, i.e. permanent layer and working lining are built in converter by laying bricks or stones；According to lining fire proofed wood
The environment that material uses, and the erosion condition at variant position carries out the analysis of system, have selected furnace bottom, molten
Pond and tapping face position block 18AMgO-C；Furnace crown block 14AMgO-C；The brick 10AMgO-C of tapping hole
Scheme, to reach the purpose of long-life, low energy consumption.The defect that this structure and technique exist is, converter
Molten bath part remain weak link, erosive velocity is the fastest, is susceptible to runout, affect lining durability and pacifies
Entirely, and add operation and maintenance cost.
Utility model content
The purpose of this utility model is exactly for solving the problems referred to above that prior art exists, it is provided that a kind of steel-making is used
Converter lining structure；This utility model can slow down the speed that molten bath backup lining brick corrodes, and extends converter lining
Life-span, it is ensured that furnace lining safety, and reduce the magnesian of converter production process and the consumption of mending material.
This utility model solves the technical scheme of technical problem:
A kind of converter lining structure, including the body of heater in outside, the permanent layer furnace lining being connected with body of heater, permanent layer
The inner side of furnace lining is provided with working lining furnace lining, and described working lining furnace lining includes furnace bottom, molten bath, bottom molten bath and stove
The end, connects, and described molten bath forms molten bath overall structure in short transverse by multi-layer annular magnesia carbon brick body superposition,
The horizontal length of described multi-layer annular magnesia carbon brick body is the most elongated to lower floor, from upper strata to lower floor from upper strata
Molten bath thickness is the most thickening, tapers into the intracavity diameter of each layer of lower floor from upper strata.
Described multi-layer annular magnesia carbon brick body is divided into lower floor, middle level, upper strata to amount to three layers, its ring at the middle and upper levels
Inner chamber more than shape magnesia carbon brick body upper surface is consisted of the furnace lining magnesia carbon brick of normal length.
The upper surface height and position of the annular magnesia carbon brick body I of described lower floor declines with the molten steel face of furnace life middle and late stage
The position L1 arrived is corresponding, the upper surface height and position of the annular magnesia carbon brick body II in described intermediate layer and furnace life early stage
The position L2 that drops to of molten steel face corresponding.
The horizontal length of the upper surface of the annular magnesia carbon brick body III on described upper strata is the shortest, upper strata annular magnesia carbon brick body
The inner chamber that formed of the furnace lining magnesia carbon brick of inner chamber and top normal length form relative smooth in position, upper surface
Connect.
Described each layer of annular magnesia carbon brick body is connected and composed one knot by some pieces of magnesia carbon bricks in the height direction
Structure.
The inwall of the annular magnesia carbon brick body II in described intermediate layer is upper with the inwall of the annular magnesia carbon brick body III on upper strata
Conical structure little under great.
The inwall of each layer of described annular magnesia carbon brick intracoelomic cavity and upper surface are provided with smooth knuckle.
The beneficial effects of the utility model:
1. this utility model is whole by multi-layer annular magnesia carbon brick body superposition formation molten bath in short transverse by molten bath
Body structure, the horizontal length of multi-layer annular magnesia carbon brick body is the most elongated to lower floor from upper strata, each of which layer
Annular magnesia carbon brick body forms the inner chamber of different-diameter, tapers into the intracavity diameter of each layer of lower floor from upper strata,
It is the most thickening to the molten bath thickness of lower floor from upper strata, on the molten bath that multi-layer annular magnesia carbon brick body superposition is formed becomes
Approximate cone-shape structure little under great.After the enlarged in thickness of molten bath, the molten bath and the furnace bottom that substantially increase converter combine
The corrosion-resistant property of position, it is to avoid runout in life cycle, substantially increases the life-span of furnace lining and makes
Security reliability, in the case of manufacturing cost increase is less, greatly reduce maintenance cost, raising
Economic benefit.
2. by being connected and composed one by some pieces of magnesia carbon bricks in the height direction at each layer of annular magnesia carbon brick body
Structure, it is simple to manufacture, the inwall at each layer of annular magnesia carbon brick intracoelomic cavity is provided with smooth with upper surface simultaneously
Knuckle, decreases the erosion during the wedge angle position use of end face and erosive wear, improves and use the longevity
Life.
3. it is divided into lower floor, middle level, upper strata to amount to three layers by multi-layer annular magnesia carbon brick body, the annular of described lower floor
The position L1 that the upper surface height and position of magnesia carbon brick body I drops to the molten steel face of furnace life middle and late stage is corresponding, its
In this height be the longest part of molten bath magnesia carbon brick body, why select this height, main according to arrive along with
The erosion in molten bath, molten steel face constantly decline, and at the middle and late stage in furnace life, molten steel face drops to mark 1 institute substantially
The position shown, it is ensured that have the furnace lining of reliable thickness, matched with the whole service life of equipment and parts.Logical
Cross the position that the upper surface height and position of annular magnesia carbon brick body II in intermediate layer drops to the molten steel face of furnace life early stage
Putting L2 corresponding, this position is that molten bath magnesia carbon brick body shortens for the first time, mainly according to the molten steel face of the early stage in furnace life
Location is relevant, it is ensured that have a furnace lining of reliable thickness, also with the phase in whole service life of equipment and parts
Mate this.Horizontal length by the upper surface of the annular magnesia carbon brick body III on upper strata is the shortest so that upper strata ring
The inner chamber of shape magnesia carbon brick body is formed in position, upper surface with the inner chamber of the furnace lining magnesia carbon brick formation of top normal length
The connection of relative smooth.Connected by the furnace lining relative smooth of the two, decrease the speed of erosion, also ensure
In stove, liquid smoothness does not changes, ensures product quality.By above technological means, both ensure that whole
Maintenance cost in individual life cycle is low, improves and uses security and the reliability, improves again product quality,
Improve whole economic efficiency.
4. the inwall using shape magnesia carbon brick body III uses the most up big and down small approximate circle cone structure, has and subtracts
Lack the speed corroded, it is ensured that in stove, liquid smoothness does not changes, ensures product quality, also reduces the longevity
Maintenance cost in the life cycle is low, improves and uses security and the reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of utility model；
Fig. 2 is another structural representation.
Detailed description of the invention
In order to be more fully understood that this utility model, explain in detail enforcement of the present utility model below in conjunction with the accompanying drawings
Mode.
Below as a example by the block stove graph structure of 120 tons of converters, the concrete knot that in furnace lining structure, molten bath lengthens is described
Structure.
Such as Fig. 1, shown in Fig. 2, a kind of converter lining structure, including the body of heater 1 in outside, it is connected with body of heater 1
Permanent layer furnace lining 3, the inner side of permanent layer furnace lining is provided with working lining furnace lining 2, and described working lining furnace lining includes stove
The end 4, molten bath 5, be connected with furnace bottom bottom molten bath, and described furnace bottom, molten bath use magnesia carbon brick to build stove, described molten
Pond forms molten bath overall structure, described multi-layer annular in short transverse by multi-layer annular magnesia carbon brick body superposition
The horizontal length of magnesia carbon brick body is the most elongated to lower floor from upper strata, and the annular magnesia carbon brick body of each of which layer is formed
The inner chamber of different-diameter, tapers into, from upper strata to lower floor to the intracavity diameter of each layer of lower floor from upper strata
Molten bath thickness is the most thickening, the longest with the undermost annular magnesia carbon brick body of furnace bottom link position.In multilayer loop
The molten bath that shape magnesia carbon brick body superposition is formed becomes up big and down small approximate cone-shape structure.
Described each layer of annular magnesia carbon brick body is connected and composed one knot by some pieces of magnesia carbon bricks in the height direction
Structure.The inwall of each layer of described annular magnesia carbon brick intracoelomic cavity and upper surface are provided with smooth knuckle 6.
Described multi-layer annular magnesia carbon brick body is divided into lower floor, middle level, upper strata to amount to three layers, its ring at the middle and upper levels
Inner chamber more than shape magnesia carbon brick body upper surface is consisted of the furnace lining magnesia carbon brick of normal length.
Such as Fig. 1, the upper surface height and position of the annular magnesia carbon brick body I of described lower floor and the steel of furnace life middle and late stage
The position L1 that liquid level drops to is corresponding.Wherein this height is the longest part of molten bath magnesia carbon brick body, institute
To select this height, main according to constantly declining, in furnace life to erosion, the molten steel face along with molten bath
Middle and late stage, molten steel face drops to mark position shown in 1 substantially, it is ensured that have the furnace lining of reliable thickness.
Such as Fig. 1, the upper surface height and position of the annular magnesia carbon brick body II in described intermediate layer and the steel of furnace life early stage
The position L2 that liquid level drops to is corresponding.This position is that molten bath magnesia carbon brick body shortens for the first time, main basis
The molten steel face location of the early stage in furnace life is relevant, it is ensured that have the furnace lining of reliable thickness.
Such as Fig. 1, the horizontal length of the upper surface of the annular magnesia carbon brick body III on described upper strata is the shortest so that upper strata
The inner chamber that the inner chamber of annular magnesia carbon brick body and the furnace lining magnesia carbon brick of top normal length are formed is in position, upper surface
Put the connection forming relative smooth.Connected by the furnace lining relative smooth of the two, it is ensured that in stove, liquid is smooth
Do not change.When being in normal thickness such as the position IV of Fig. 1 for furnace lining magnesia carbon brick normal length and molten bath
Position.
The inwall of the inwall of the annular magnesia carbon brick body II in described intermediate layer and the annular magnesia carbon brick body III on upper strata is adopted
By the most up big and down small approximate circle cone 7 structure.
Although the detailed description of the invention of utility model is described by the above-mentioned accompanying drawing that combines, but not to this reality
With the restriction of novel protected scope, on the basis of the technical solution of the utility model, those skilled in the art
Need not to pay various amendments or deformation that creative work can make still at protection domain of the present utility model
Within.
Claims (7)
1. a converter lining structure, body of heater including outside, the permanent layer furnace lining being connected with body of heater, the inner side of permanent layer furnace lining is provided with working lining furnace lining, described working lining furnace lining includes furnace bottom, molten bath, it is connected with furnace bottom bottom molten bath, it is characterized in that, described molten bath forms molten bath overall structure in short transverse by multi-layer annular magnesia carbon brick body superposition, the horizontal length of described multi-layer annular magnesia carbon brick body is the most elongated to lower floor from upper strata, the most thickening to the molten bath thickness of lower floor from upper strata, taper into the intracavity diameter of each layer of lower floor from upper strata.
2. converter lining structure as claimed in claim 1, is characterized in that, described multi-layer annular magnesia carbon brick body is divided into totally three layers of lower floor, middle level, upper strata, and inner chamber more than its annular magnesia carbon brick body upper surface at the middle and upper levels is consisted of the furnace lining magnesia carbon brick of normal length.
3. converter lining structure as claimed in claim 2, it is characterized in that, the upper surface height and position of annular magnesia carbon brick body I of described lower floor is corresponding with the position L1 that the molten steel face of furnace life middle and late stage drops to, and the upper surface height and position of annular magnesia carbon brick body II in described middle level is corresponding with the position L2 that the molten steel face of furnace life early stage drops to.
4. converter lining structure as claimed in claim 3, it is characterized in that, the horizontal length of the upper surface of the annular magnesia carbon brick body III on described upper strata is the shortest, and the inner chamber that the furnace lining magnesia carbon brick of the inner chamber of upper strata annular magnesia carbon brick body and top normal length is formed forms the connection of relative smooth in position, upper surface.
5. converter lining structure as claimed in claim 2, is characterized in that, described each layer of annular magnesia carbon brick body is connected and composed integrative-structure by some pieces of magnesia carbon bricks in the height direction.
6. converter lining structure as claimed in claim 2, is characterized in that, the inwall of the annular magnesia carbon brick body II in described middle level is up big and down small conical structure with the inwall of the annular magnesia carbon brick body III on upper strata.
7. converter lining structure as described in claim 1 or 2, is characterized in that, the inwall of each layer of described annular magnesia carbon brick intracoelomic cavity and upper surface are provided with smooth knuckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203380.3U CN205501342U (en) | 2016-03-16 | 2016-03-16 | Converter furnace lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203380.3U CN205501342U (en) | 2016-03-16 | 2016-03-16 | Converter furnace lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205501342U true CN205501342U (en) | 2016-08-24 |
Family
ID=56728447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620203380.3U Expired - Fee Related CN205501342U (en) | 2016-03-16 | 2016-03-16 | Converter furnace lining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205501342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603149A (en) * | 2016-03-16 | 2016-05-25 | 山东钢铁股份有限公司 | Converter lining structure |
| CN108624738A (en) * | 2018-07-09 | 2018-10-09 | 鞍山市和丰耐火材料有限公司 | A kind of quincuncial pile formula converter bottom structure |
-
2016
- 2016-03-16 CN CN201620203380.3U patent/CN205501342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603149A (en) * | 2016-03-16 | 2016-05-25 | 山东钢铁股份有限公司 | Converter lining structure |
| CN108624738A (en) * | 2018-07-09 | 2018-10-09 | 鞍山市和丰耐火材料有限公司 | A kind of quincuncial pile formula converter bottom structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |