CN208995527U - Ladle bottom blowing air brick - Google Patents
Ladle bottom blowing air brick Download PDFInfo
- Publication number
- CN208995527U CN208995527U CN201821346906.9U CN201821346906U CN208995527U CN 208995527 U CN208995527 U CN 208995527U CN 201821346906 U CN201821346906 U CN 201821346906U CN 208995527 U CN208995527 U CN 208995527U
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- CN
- China
- Prior art keywords
- brick
- block
- slit
- bottom blowing
- blowing air
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- 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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- 239000011449 brick Substances 0.000 title claims abstract description 109
- 238000007664 blowing Methods 0.000 title claims abstract description 40
- 239000000565 sealant Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 22
- 239000010959 steel Substances 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract description 5
- 230000033764 rhythmic process Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 5
- 239000000463 material Substances 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 11
- 238000007670 refining Methods 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 238000010926 purge Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model relates to a metallurgical technology field, in particular to ladle bottom blowing air brick, include: breather pipe, slit piece, diffuse piece, brick core body and brick core brick cup. The brick core body is arranged in the brick core seat brick; the slit block is arranged at the bottom of the inner side of the brick core body, and a cavity is arranged between the brick core body and the lower end face of the slit block; slits are evenly distributed in the slit block. The dispersion blocks are arranged in the brick core body, the lower ends of the dispersion blocks are fixedly connected with the upper ends of the slit blocks, and the upper ends of the dispersion blocks penetrate through the brick core body and extend to the outside; a gas channel is arranged in the dispersion block; pouring materials are filled in the areas of the inner side of the brick core body and the outer sides of the slit block and the dispersion block; one end of the vent pipe is fixedly connected with the brick core seat brick and extends into the cavity. The embodiment of the utility model provides a ladle bottom blowing air brick prevents to cause the steel grade to change and the casting machine is absolutely watered to and prevent to influence the quality of molten steel and normal production rhythm.
Description
Technical field
The utility model relates to metallurgical technology field, in particular to a kind of ladle bottom blowing air brick.
Background technique
As the requirement to molten steel composition is increasingly stringenter, steel ladle bottom argon blowing is the key that furnace outer refining process, and bottom blowing is blown
All have a direct impact at rate to the quality of variety steel, the arrangement of rhythm of production and production cost etc..If ladle bottom blowing blow not open or
It blows that bright face is too small open, the adjusting of molten steel composition and the control of temperature can be seriously affected during carrying out refining treatment, is caused
Long processing period and influence permanent pulling rate, it is serious cause molten steel composition do not conform to cause continuous casting billet degrade, sentence it is useless, even cause casting machine
It is disconnected to pour, therefore domestic and international large iron and steel enterprise is blown out rate to ladle bottom blowing and is increasingly paid attention to.
After ladle stamp all comes into operation, since ladle liner temperature increases substantially, slit type ladle bottom blowing is caused
Brick cannot be purged normally.The problem of bottom blowing air permeability is impacted after slit bottom blowing brick slit infiltration steel, purging effect
The bad normal processing for influencing refining of fruit, it is serious cause steel grade to change refining and casting machine are disconnected to be poured, influence the quality of molten steel and normal
Rhythm of production.
Utility model content
The utility model embodiment solves slit bottom blowing in the prior art by providing a kind of ladle bottom blowing air brick
The technical issues of bottom blowing air permeability is impacted after brick slit infiltration steel.
The utility model embodiment provides a kind of ladle bottom blowing air brick, comprising: snorkel, slit block, disperse block, brick
Core ontology and brick core print seat brick；
The brick core ontology is arranged in the brick core print seat brick, and the brick core ontology is cavity structure；
The slit block is arranged in the brick core ontology inside bottom, the lower end surface of the brick core ontology and the slit block
Between a chamber is set；Equally distributed slit, one end of the slit and the slit block are offered in the slit block
Upper surface communicates, and the other end of the slit is communicated with the lower end surface of the slit block；
The disperse block is arranged in the brick core ontology, and the lower end of the disperse block and the upper end of the slit block are fixed
Connection, the upper end of the disperse block pass through the brick core ontology and extend to outside；Gas passage is provided in the disperse block；
Region within the brick core ontology and other than the slit block and disperse block fills castable；
One end of the snorkel is fixedly connected with the brick core print seat brick, and is extended in the chamber.
Further, the slit block is truncated conical shape.
Further, the height of the chamber is 3-6mm.
Further, the outside setting of the slit block is parallel to the protrusion of slit block upper surface and lower end surface.
Further, the protrusion is semi-circular shape.
Further, the outside setting of the disperse block is parallel to disperse block upper surface and the first of lower end surface recessed
Slot.
Further, the second groove is provided on the outside of the disperse block；Second groove is located at first groove
Top, second groove are parallel to first groove.
Further, first groove and second groove are semi-circular shape.
Further, sealant is provided at the top of the disperse block.
Further, further includes: hanging ring；The hanging ring is fixed at the top of the brick core print seat brick.
One or more technical solutions provided by the embodiment of the utility model, at least have following beneficial effect or advantage:
Ladle bottom blowing air brick provided by the embodiment of the utility model, brick core ontology are arranged in brick core print seat brick, slit block
Setting can effectively prevent slit block external slit to seep steel, avoid causing slit block internal breathability in this inside bottom of brick core
It influences.One end of snorkel is fixedly connected with brick core print seat brick, and is extended in chamber, and the purge gas being passed through from snorkel is from chamber
Room enters slit block, enters disperse block through the slit in slit block, is purged from disperse block, it is ensured that purge gas
Stablize supply, ensure that bottom blowing effect, be normally carried out refining process, prevents from causing steel grade to change refining and casting machine is disconnected pours, Yi Jifang
The only quality of influence molten steel and normal rhythm of production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ladle bottom blowing air brick provided by the embodiment of the utility model.
Specific embodiment
The utility model embodiment solves slit bottom blowing in the prior art by providing a kind of ladle bottom blowing air brick
The technical issues of bottom blowing air permeability is impacted after brick slit infiltration steel.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model embodiment provides a kind of ladle bottom blowing air brick, comprising: snorkel 1, slit block
2, disperse block 3, brick core ontology 4 and brick core print seat brick 5.
Brick core ontology 4 is arranged in brick core print seat brick 5, and brick core print seat brick 5 wraps up brick core ontology 4.Brick core ontology 4 is using resistance to
Cavity structure made of the stainless steel of high temperature guarantees that brick core ontology 4 does not crack in use.
Slit block 2 is arranged in 4 inside bottom of brick core ontology, and a chamber is arranged between brick core ontology 4 and the lower end surface of slit block 2
Room.Equally distributed slit is offered in slit block 2, one end of slit is communicated with the upper surface of slit block 2, the other end of slit
It is communicated with the lower end surface of slit block 2.In the utility model embodiment, slit block 2 is frustum cone structure, and 2 lower end diameter of slit block is
157mm, 2 upper end diameter of slit block are 145mm, and 2 height of slit block is 125mm.Along 2 inner wall of slit block uniformly open up 14 it is narrow
Seam, slit width 0.21-0.23mm, slit length 17mm.
Disperse block 3 is arranged in brick core ontology 4, and the lower end of disperse block 3 is fixedly connected with the upper end of slit block 2, disperse block 3
Upper end pass through and brick core ontology 4 and extend to outside；Gas passage is provided in disperse block 3.Within brick core ontology 4 and slit block
2 and disperse block 3 other than region fill corundum castable.One end of snorkel 1 extends in chamber, and solid with brick core ontology 4
Fixed connection, it is ensured that argon bottom-blowing can be uniformly distributed in each slit in slit block 2；Specifically, snorkel 1 uses nothing
Steel pipe is stitched, snorkel 1 is fixed with 4 seamless welding of brick core ontology, prevents snorkel 1 and the 4 junction gas leakage of brick core ontology.Snorkel
1 is sealed with plastic sheath, it is ensured that screw thread is not damaged in transport and installation process Center Vent tube 1.In the present embodiment, disperse block 3 is
Frustum cone structure, 3 upper end diameter of disperse block are 92mm, and 3 lower end diameter of disperse block is 80mm, lower end and the slit block 2 of disperse block 3
The intersection height of upper end fixation part is 5mm.
In a specific embodiment provided by the utility model, referring to Fig. 1, slit block 2 is truncated conical shape.2 lower end of slit block
Diameter is 157mm, upper end diameter 145mm, is highly 125mm.
In a specific embodiment provided by the utility model, the height of chamber is 3-6mm.
In a specific embodiment provided by the utility model, referring to Fig. 1, the outer lateral extent bottom 1/4~1/3 of slit block 2
Setting is parallel to the protrusion 21 of 2 upper surface of slit block and lower end surface at the position of 2 height of slit block.Protrusion 21 is narrow for preventing
Seam block 2 is subjected to displacement relative to castable, the position of fixed slit block 2.
In a specific embodiment provided by the utility model, referring to Fig. 1, protrusion 21 is semi-circular shape.
In a specific embodiment provided by the utility model, referring to Fig. 1, the 1/5 disperse block of outer lateral extent bottom of disperse block 3
Setting is parallel to the first groove 31 of 3 upper surface of disperse block and lower end surface at the position of 3 height.First groove 31 is for preventing
Disperse block 3 is subjected to displacement relative to castable, the position of fixed disperse block 3.
In a specific embodiment provided by the utility model, referring to Fig. 1, the outside of disperse block 3 is provided with the second groove 32,
Specifically；Second groove 32 is located at 31 top 50mm of the first groove, and the second groove 32 is parallel to the first groove 31.First groove
31 and second groove 32 for preventing disperse block 3 to be subjected to displacement relative to castable, the position of fixed disperse block 3.
In a specific embodiment provided by the utility model, referring to Fig. 1, the first groove 31 and the second groove 32 are semicircle
Shape.
In a specific embodiment provided by the utility model, referring to Fig. 1, sealant is provided at the top of disperse block 3.Specifically
, sealant is cast for using wax at the top of disperse block 3, prevents sundries from entering inside disperse block 3.
In a specific embodiment provided by the utility model, referring to Fig. 1, further includes: hanging ring 6；Hanging ring 6 is fixed (as welded
It is fixed) at 5 top of brick core print seat brick；The present embodiment uses two hanging rings 6.
The working principle of ladle bottom blowing air brick provided by the embodiment of the utility model is as follows: referring to Fig. 1, ladle bottom blowing brick
It builds in bottom of steel ladle bottom blowing brick position, snorkel 1 is connect with the hose on ladle, air tight, opening argon is ensured after connection
Air cock, argon gas enter snorkel 1, successively by between slit, slit block 2 and the disperse block 3 in slit block 2 chamber and
Disperse block 3, argon gas enter bottom of steel ladle along the top of disperse block 3, are monitored by flowmeter to argon flow, when argon gas stream
After amount reaches defined requirement, the online preceding confirmation of ladle bottom blowing brick air brick is completed.
One or more technical solutions provided by the embodiment of the utility model, at least have following beneficial effect or advantage:
Referring to Fig. 1, ladle bottom blowing air brick provided by the embodiment of the utility model, brick core ontology 4 is arranged in brick core print seat brick 5
Interior, the setting of slit block 2 can effectively prevent 2 external slit of slit block to seep steel, avoid in slit block 2 in this inside bottom of brick core
Portion's gas permeability impacts.One end of snorkel 1 is fixedly connected with brick core print seat brick 5, and is extended in chamber, logical from snorkel 1
The purge gas entered enters slit block 2 from chamber, enters disperse block 3 through the slit in slit block 2, blows out and carries out from disperse block 3
Purging, it is ensured that purge gas stablizes supply, ensure that bottom blowing effect, is normally carried out refining process, prevents from causing steel grade
Change that refining and casting machine are disconnected to be poured, and prevent from influencing molten steel quality and normal rhythm of production.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of ladle bottom blowing air brick characterized by comprising snorkel, slit block, disperse block, brick core ontology and brick core
Brick cup；
The brick core ontology is arranged in the brick core print seat brick, and the brick core ontology is cavity structure；
The slit block is arranged in the brick core ontology inside bottom, between the brick core ontology and the lower end surface of the slit block
One chamber is set；Equally distributed slit, the upper end of one end of the slit and the slit block are offered in the slit block
Face communicates, and the other end of the slit is communicated with the lower end surface of the slit block；
The disperse block is arranged in the brick core ontology, and the upper end of the lower end of the disperse block and the slit block is fixed to be connected
It connects, the upper end of the disperse block passes through the brick core ontology and extends to outside；Gas passage is provided in the disperse block；
Region within the brick core ontology and other than the slit block and disperse block fills castable；
One end of the snorkel is fixedly connected with the brick core print seat brick, and is extended in the chamber.
2. ladle bottom blowing air brick according to claim 1, which is characterized in that the slit block is truncated conical shape.
3. ladle bottom blowing air brick according to claim 1, which is characterized in that the height of the chamber is 3-6mm.
4. ladle bottom blowing air brick according to claim 1, which is characterized in that be provided on the outside of the slit block parallel
Protrusion in slit block upper surface and lower end surface.
5. ladle bottom blowing air brick according to claim 4, which is characterized in that the protrusion is semi-circular shape.
6. ladle bottom blowing air brick according to claim 1, which is characterized in that be provided on the outside of the disperse block parallel
The first groove in disperse block upper surface and lower end surface.
7. ladle bottom blowing air brick according to claim 6, which is characterized in that be provided with second on the outside of the disperse block
Groove；Second groove is located above first groove, and second groove is parallel to first groove.
8. ladle bottom blowing air brick according to claim 7, which is characterized in that first groove and second groove
For semi-circular shape.
9. ladle bottom blowing air brick according to claim 1-8, which is characterized in that setting at the top of the disperse block
There is sealant.
10. ladle bottom blowing air brick according to claim 1-8, which is characterized in that further include: hanging ring；It is described
Hanging ring is fixed at the top of the brick core print seat brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346906.9U CN208995527U (en) | 2018-08-21 | 2018-08-21 | Ladle bottom blowing air brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346906.9U CN208995527U (en) | 2018-08-21 | 2018-08-21 | Ladle bottom blowing air brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995527U true CN208995527U (en) | 2019-06-18 |
Family
ID=66799630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821346906.9U Active CN208995527U (en) | 2018-08-21 | 2018-08-21 | Ladle bottom blowing air brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208995527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171055A (en) * | 2019-06-27 | 2019-08-27 | 浙江科特高温新材料有限公司 | Twin-core integral air brick and preparation method thereof, method for constructing bottom of steel ladle |
-
2018
- 2018-08-21 CN CN201821346906.9U patent/CN208995527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171055A (en) * | 2019-06-27 | 2019-08-27 | 浙江科特高温新材料有限公司 | Twin-core integral air brick and preparation method thereof, method for constructing bottom of steel ladle |
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