CN205501341U - Converter work lining structure - Google Patents
Converter work lining structure Download PDFInfo
- Publication number
- CN205501341U CN205501341U CN201620080697.2U CN201620080697U CN205501341U CN 205501341 U CN205501341 U CN 205501341U CN 201620080697 U CN201620080697 U CN 201620080697U CN 205501341 U CN205501341 U CN 205501341U
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- brick
- working lining
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- brick district
- converter
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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 work lining structure, including the stove outer covering, stove bottom work lining has been set gradually in the stove outer covering from bottom to top, shaft work lining and furnace crown work lining, stove bottom work lining, including the centre runner brick district, bottom brick district and fillet brick district, bottom brick district locates the centre runner brick district around, shaft work lining, including preceding big face brick district, big face brick district in back and gudgeon brick district, furnace crown work lining, including furnace crown brick district, the furnace crown brick is distinguished to stove outer covering centrally -inclined, with shaft work lining forms the contained angle. The utility model discloses in matching characteristic of each regional reasonable structural design and each regional resistant material combine together, will inevitablely improve the life of the resistant material of converter lining at to a great extent to promote the converter life of nai the material, practice thrift the resistant material use amount of converter work lining simultaneously, reduce BOF steelmaking's cost.
Description
Technical field
This utility model relates to pneumatic steelmaking field, particularly relates to a kind of converter working lining structure.
Background technology
Pneumatic steelmaking is with molten iron, steel scrap, ferroalloy as primary raw material, not by external energy, by ferrum liquid originally
Between the physical thermal of body and ferrum liquid component, chemical reaction produces heat and completes steelmaking process in converter.Pneumatic steelmaking
Technology develops into now, alkaline oxygen top blast or top and bottom combined blown converter owing to speed of production is fast, yield big, single stove
Yield height, low cost, small investment, it has also become for currently used most common steelmaking equipment.
For top and bottom combined blown converter, the air-flow spraying into molten bath from bottom is generally subsonic speed, may except at nozzle
Existing outside one section of continuous stream stock, the gas sprayed into will form bubble not of uniform size and automatically floats, and bubble population exists
In floating-upward process, expand because pressure reduces, and drive, be drawn molten metal and move upward, and tailing edge surrounding stove
Wall is downward, Bing Buxiang center, thus to producing strong stirring bottom molten bath especially its, and then easily cause
Furnace bottom and the damage aggravation of position, molten bath working lining magnesia carbon brick, affect converter service life of refractory material.
Simultaneously as big face and the similarities and differences of gudgeon operating mode before and after pneumatic steelmaking shaft, front big due to by molten iron and
The mechanical erosion of steel scrap is the most severe, therefore front big the working lining thickness of resistance to material can be relatively thick, but converter current
The shaft mainstay of resistance to material all considers the biggest face and the resistance to material of gudgeon working lining are designed identical thickness, so can
Big face and the waste of the resistance to material of gudgeon after causing to a certain extent.Build it addition, furnace crown working lining brick is generally level
Building, building by laying bricks or stones of furnace crown working lining brick is easy in even now design, but also likely to be present a certain degree of defect simultaneously:
Here it is converter furnace crown brick landing during tapping, grate, deslagging etc. may be caused.
In consideration of it, not only need the adaptability considering the resistance to material in each region to working condition during Converter Design, but also
The reasonability of the regional masonry construction of resistance to material to be considered, so that the resistance to material in each region and structure and converter smelting work
Condition matches.
Utility model content
This utility model is in order to solve above-mentioned difficulties, it is provided that a kind of converter service life of refractory material that rises, and saves simultaneously and turns
Stove working lining resistance to material usage amount, reduces the converter working lining structure of pneumatic steelmaking cost.
To achieve these goals, this utility model by the following technical solutions: a kind of converter working lining structure,
Including furnace shell, in described furnace shell, it is disposed with furnace bottom working lining, shaft working lining and furnace crown work from bottom to top
Lining；Furnace bottom working lining, including centre runner brick district, bottom brick district and fillet brick district, described bottom brick district is located at center
The surrounding in brick district；Shaft working lining, including Qian great face brick district, Hou great face brick district and gudgeon brick district；Furnace crown works
Lining, including furnace crown brick district, described furnace crown brick district is centroclinal to furnace shell, forms angle with described shaft working lining.
In an embodiment of the present utility model, the fillet position in described fillet brick district is spherical structure.
In an embodiment of the present utility model, the thickness in described Qian great face brick district is more than the thickness in Hou great face brick district
And the thickness in gudgeon brick district.
In an embodiment of the present utility model, the number of degrees of described angle are 160 degree～170 degree.
In an embodiment of the present utility model, described shaft working lining is provided with out with the junction of furnace crown working lining
Steel mouth.
In an embodiment of the present utility model, the top of described furnace crown working lining is additionally provided with fire door syphon and fire door
Water tank, is provided with fire door LIFT between described fire door syphon and fire door water tank.
In an embodiment of the present utility model, the thickness of described fire door LIFT is 30mm-50mm.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction, and moulding is new
Grain husk.In this utility model, the matching properties of the rational structure in each region design material resistance to each region combines, inevitable
The service life of the resistance to material of converter lining can be improved to a great extent, thus promote converter service life of refractory material, with
Shi Jieyue converter working lining resistance to material usage amount, reduces the cost of pneumatic steelmaking.
Additionally, furnace bottom fillet brick district uses spherical structure, the fillet position between furnace bottom and furnace wall is by different arcs
The fillet brick of degree seamlessly transits, and is beneficial to the thermal stress release during backup lining brick uses, reduces abnormal flake,
Hydrodynamics when meeting molten steel strong agitation requires, reduce molten steel washes away furnace lining, when alleviating molten steel splash
The slagging scorification that fire door is caused, and then improve the service life of converter working lining brick；The thickness in Qian great face brick district is more than
The thickness in Hou great face brick district and the thickness in gudgeon brick district, before and after completing shaft, big face and gudgeon working lining brick difference are thick
Degree design, designs the working lining brick of different-thickness according to shaft each position smelting characteristic, saves resistance to material, reduces
Cost, smelts the useful space in increasing stove；Furnace crown working lining brick use inclination build by laying bricks or stones, it is ensured that converter tapping,
The firmness of furnace crown brick during grate, deslagging etc.；Fire door pouring layer pour prevent furnace shell inner lining brick expand and
Push up bad water tank.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of this utility model furnace shell；
Fig. 2 is shaft generalized section in Fig. 1；
Detailed description of the invention
In order to make those skilled in the art be better understood from this utility model scheme, new below in conjunction with this practicality
Accompanying drawing in type embodiment, carries out clear, complete description to the technical scheme in this utility model embodiment.
As it is shown in figure 1, a kind of converter working lining structure that this utility model provides, including furnace shell 100, described
Furnace bottom working lining 1, shaft working lining 2 and furnace crown working lining 3 it is disposed with from bottom to top in furnace shell 100；
Furnace bottom working lining 1, including centre runner brick district 11, bottom brick district 12 and fillet brick district 13, described bottom brick district 12
It is located at the surrounding in centre runner brick district 11；Shaft working lining 2, including Qian great face brick district 21, Hou great face brick district 22
With gudgeon brick district 23；Furnace crown working lining 3, including furnace crown brick district 31, described furnace crown brick district 31 is to furnace shell 100
Centroclinal, form angle with described shaft working lining 2.The rational structure in each region design in this utility model
The matching properties of material resistance to each region combines, and will necessarily improve the use of the resistance to material of converter lining to a great extent
Life-span, thus promote converter service life of refractory material, save converter working lining resistance to material usage amount simultaneously, reduce converter
The cost of steel-making, furnace crown working lining 3 brick uses inclination to build by laying bricks or stones, it is ensured that converter waited in tapping, grate, deslagging
The firmness of furnace crown brick in journey.
In the present embodiment, the fillet position in described fillet brick district 13 is spherical structure.Furnace bottom fillet brick district adopts
With spherical structure, the fillet position between furnace bottom and furnace wall is seamlessly transitted by the fillet brick of different radians, in order to
Thermal stress release during backup lining brick uses, minimizing abnormal flake, meet fluid during molten steel strong agitation
Mechanical requirements, reduce the slagging scorification that furnace lining is washed away, causes fire door when alleviating molten steel splash by molten steel, Jin Erti
The service life of high converter working lining brick.
In the present embodiment, the thickness in described Qian great face brick district 21 is more than thickness and the gudgeon in Hou great face brick district 22
The thickness in brick district 23.Before and after completing shaft, big face and the design of gudgeon working lining brick different-thickness, each according to shaft
Position smelting characteristic and design the working lining brick of different-thickness, save resistance to material, reduce cost, smelt in increasing stove
The useful space.
In the present embodiment, the number of degrees of described angle are 160 degree～170 degree.But, this utility model is to this
It is not construed as limiting.In other embodiments, the number of degrees of angle are any number between 150 degree～179 degree, including
160 degree, 165 degree and 170 degree.
In the present embodiment, described shaft working lining 2 is provided with tapping hole 4 with the junction of furnace crown working lining 3.
In the present embodiment, the top of described furnace crown working lining 3 is additionally provided with fire door syphon 5 and fire door water tank 6,
It is provided with fire door LIFT 7 between described fire door syphon 5 and fire door water tank 6.Fire door pouring layer pours and prevents furnace shell
Liner tile expands and pushes up bad water tank.
In the present embodiment, the thickness of described fire door LIFT 7 is 30mm～50mm.But, this practicality is new
This is not construed as limiting by type.In other embodiments, the thickness of fire door LIFT is appointing between 30mm～50mm part
Meaning numerical value, including 30mm and 50mm.
During masonry of well, first look for hearth center point, then hearth center brick be placed in hearth center position,
Then masonry heater bottom brick, is impacted into steel scrap by molten iron in view of converter bottom during the design of furnace bottom working lining 1 thickness
The strongest and the weakest need not, different by bottom blowing gas-feeding brick action intensity, and bottom brick zones of different position working lining brick is divided
Different-thickness is not set and smelts needed for operating mode to adapt to furnace bottom, build by laying bricks or stones accomplish the back of the body tight, by real, fill up.
When fillet is built by laying bricks or stones, the gap needs alkalescence ramming mass between the cold end face of fillet brick and permanent layer magnesia brick is smash
Real, when furnace bottom last ring of fillet brick has been built by laying bricks or stones, have to check for its levelness, to guarantee that shaft brick is built smoothly
Build, build by laying bricks or stones accomplish the back of the body tight, by real, fill up, levelling.
When shaft is built by laying bricks or stones, before shaft, big face (H2), rear big face (H1) and gudgeon brick thickness are different, and front
Big face brick district 21 is respectively provided with two pieces of transition thickness bricks (H3) in junction, gudgeon brick district 23, left and right, therefore first big
Brick district 21 needs staggered building by laying bricks or stones, to guarantee whole shaft brick with the levels transitional brick of junction, gudgeon brick district 23
The levels fissure of displacement is built by laying bricks or stones.Gudgeon brick district 23 includes left gudgeon brick district and auris dextra Zhou Zhuan district.Shaft brick masonry is started to walk
Brick is scheduled near Qian great face brick district and left gudgeon brick district (or auris dextra Zhou Zhuan district) delivery position and (is specifically shown in Fig. 2
Illustration), shaft brick can be built by laying bricks or stones along starting brick both sides to the left and right simultaneously, closing tweel block, to be scheduled on starting brick the most right
Face and the position (being specifically shown in the illustration of Fig. 2) near gudgeon region.And upper and lower two lamination tweel block positions need
Stagger the spacing of 2～3 pieces of bricks, can survey after needing first to hold out against conjunction tweel block left and right sides brick with jack when closing door
Amount close door processing the concrete size of brick, carry out after closing well tweel block according to dimensioned close door, close behind the door it is generally required to
Close brick positions, 2～3 pieces of interval, the tweel block left and right sides and squeeze into conjunction door iron plate, tight to guarantee the brick masonry of He Men position
Close, build by laying bricks or stones accomplish the back of the body tight, by real, fill up, levelling.
When furnace crown is built by laying bricks or stones, owing to having 10 degree～the angle of 15 degree between furnace crown brick and horizontal plane, i.e. furnace crown work
Lining 3 is 165 degree～170 degree with the angle of shaft working lining 2.Therefore need place mat on every layer of brick face to fill out on a small quantity
Sewing, to prevent brick landing, is necessary to ensure that between syphon and water tank when building fire door syphon by laying bricks or stones and has between 30～50mm
Away from so that fire door castable pours and prevents backup lining brick from expanding and pushes up bad water tank, and syphon and fire door water tank it
Between squeeze into processing thin slice brick to push against syphon, simultaneously need to squeeze into iron plate with further between fire door syphon brickwork joint
Hold out against syphon, prevent its landing, drop, build by laying bricks or stones accomplish the back of the body tight, by real, fill up, levelling
Described furnace bottom, fillet number of rings and shaft, furnace crown hop count only this utility model exposition working lining brick shows
It is intended to (in figure, working lining blank space lining brick does not marks), practical situation needs according to converter tonnage size and work
Condition structure and separately set furnace bottom, fillet number of rings and shaft, furnace crown hop count and working lining lining brick thickness.
In sum, in this utility model, the rational structure in each region designs the matching properties phase of material resistance to each region
In conjunction with, will necessarily improve to a great extent the service life of the resistance to material of converter lining, thus promote the resistance to material of converter and make
With the life-span, save converter working lining resistance to material usage amount simultaneously, reduce the cost of pneumatic steelmaking.
Additionally, furnace bottom fillet brick district uses spherical structure, the fillet position between furnace bottom and furnace wall is by different arcs
The fillet brick of degree seamlessly transits, and is beneficial to the thermal stress release during backup lining brick uses, reduces abnormal flake,
Hydrodynamics when meeting molten steel strong agitation requires, reduce molten steel washes away furnace lining, when alleviating molten steel splash
The slagging scorification that fire door is caused, and then improve the service life of converter working lining brick；The thickness in Qian great face brick district is more than
The thickness in Hou great face brick district and the thickness in gudgeon brick district, before and after completing shaft, big face and gudgeon working lining brick difference are thick
Degree design, designs the working lining brick of different-thickness according to shaft each position smelting characteristic, saves resistance to material, reduces
Cost, smelts the useful space in increasing stove.Furnace crown working lining brick use inclination build by laying bricks or stones, it is ensured that converter tapping,
The firmness of furnace crown brick during grate, deslagging etc.；Fire door pouring layer pour prevent furnace shell inner lining brick expand and
Push up bad water tank.
Obviously, described embodiment is only a part of embodiment of the present utility model rather than whole realities
Execute example.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work
The every other embodiment obtained under premise, all should belong to the scope of this utility model protection.
Claims (7)
1. a converter working lining structure, including furnace shell, it is characterised in that in described furnace shell the most successively
It is provided with furnace bottom working lining, shaft working lining and furnace crown working lining；
Furnace bottom working lining, including centre runner brick district, bottom brick district and fillet brick district, during described bottom brick district is located at
The surrounding in Xin Zhuan district；
Shaft working lining, including Qian great face brick district, Hou great face brick district and gudgeon brick district；
Furnace crown working lining, including furnace crown brick district, described furnace crown brick district is centroclinal to furnace shell, with described shaft
Working lining forms angle.
Converter working lining structure the most according to claim 1, it is characterised in that the circle in described fillet brick district
Angular position is spherical structure.
Converter working lining structure the most according to claim 1, it is characterised in that described Qian great face brick district
Thickness is more than thickness and the thickness in gudgeon brick district in Hou great face brick district.
Converter working lining structure the most according to claim 1, it is characterised in that the number of degrees of described angle are
160 degree～170 degree.
Converter working lining structure the most according to claim 1, it is characterised in that described shaft working lining with
The junction of furnace crown working lining is provided with tapping hole.
Converter working lining structure the most according to claim 1, it is characterised in that described furnace crown working lining
Top is additionally provided with fire door syphon and fire door water tank, is provided with fire door between described fire door syphon and fire door water tank
LIFT.
Converter working lining structure the most according to claim 6, it is characterised in that described fire door LIFT
Thickness is 30mm～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620080697.2U CN205501341U (en) | 2016-01-27 | 2016-01-27 | Converter work lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620080697.2U CN205501341U (en) | 2016-01-27 | 2016-01-27 | Converter work lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205501341U true CN205501341U (en) | 2016-08-24 |
Family
ID=56722556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620080697.2U Expired - Fee Related CN205501341U (en) | 2016-01-27 | 2016-01-27 | Converter work lining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205501341U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282480A (en) * | 2016-08-30 | 2017-01-04 | 山东钢铁股份有限公司 | Mammoth conveter furnace lining and building method |
| CN107893144A (en) * | 2017-12-20 | 2018-04-10 | 马鞍山钢铁股份有限公司 | A kind of spherical bottom construction of converter |
| CN111747760A (en) * | 2020-05-28 | 2020-10-09 | 云南铜业股份有限公司西南铜业分公司 | Castable for converter mouth and pouring method |
| CN112082380A (en) * | 2020-09-16 | 2020-12-15 | 金川集团股份有限公司 | Horizontal converter fire door inside lining masonry structure |
-
2016
- 2016-01-27 CN CN201620080697.2U patent/CN205501341U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282480A (en) * | 2016-08-30 | 2017-01-04 | 山东钢铁股份有限公司 | Mammoth conveter furnace lining and building method |
| CN106282480B (en) * | 2016-08-30 | 2018-07-10 | 山东钢铁股份有限公司 | Mammoth conveter furnace lining and building method |
| CN107893144A (en) * | 2017-12-20 | 2018-04-10 | 马鞍山钢铁股份有限公司 | A kind of spherical bottom construction of converter |
| CN111747760A (en) * | 2020-05-28 | 2020-10-09 | 云南铜业股份有限公司西南铜业分公司 | Castable for converter mouth and pouring method |
| CN112082380A (en) * | 2020-09-16 | 2020-12-15 | 金川集团股份有限公司 | Horizontal converter fire door inside lining masonry structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312000 No. 9 Juxian No. 2 Road, East 2 District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Zili High Temperature Technology Co.,Ltd. Address before: Juxian two East District of Shangyu economic and Technological Development Zone of Zhejiang Province, Shaoxing City, two road 311800 No. 9 Patentee before: ZHEJIANG ZILI HIGH TEMPERATURE TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20220127 |