CN106893803B - A kind of air brick and preparation method of band two-way inclination angle slit and safety early warning device - Google Patents
A kind of air brick and preparation method of band two-way inclination angle slit and safety early warning device Download PDFInfo
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- CN106893803B CN106893803B CN201710216380.6A CN201710216380A CN106893803B CN 106893803 B CN106893803 B CN 106893803B CN 201710216380 A CN201710216380 A CN 201710216380A CN 106893803 B CN106893803 B CN 106893803B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The present invention relates to the air bricks and preparation method of a kind of band two-way inclination angle slit and safety early warning device, the male cone (strobilus masculinus) of the brick inner core of the air brick is equipped with white steel inner casing, the inner conical surface of brick housing is equipped with white outer steel shell, brick ring set is equipped between steel inner casing and white outer steel shell in vain, brick inner core center is equipped with safe early warning detection device, brick inner core lower part is equipped with argon gas room, anti-gas-leak bottom cover is equipped with above argon gas room and brick ring set, anti-gas-leak bottom cover is equipped with the argon blowing hole communicated with argon gas room, brick inner core internal circumference is evenly distributed with several inner circle slits and outer circle slit is communicated with argon gas room, inner circle slit and outer circle slit to the radial rake of cone center axis be 24 °, simultaneously 13 ° are tilted along cone generatrices.With two-way inclination angle and safe early warning detection device, air brick Argon can make molten steel generate circulation and turbulent flow processes in ladle, make the rapid meltings such as various alloys, deoxidier, desulfurizing agent of the addition in molten steel, and agitation of molten steel be obtained more uniform.
Description
Technical field
The present invention relates to stove fire resisting material field, more particularly to the two-way inclination angle slit of a kind of band and safety early warning device
Air brick and preparation method.
Background technology
Currently, the application of steel ladle bottom argon blowing technology has the history of decades, also achieved in purified steel technical aspect has very much
The progress of effect improves the quality of steel, but still there is a big difference compared with external purified steel technology, external finished steel
Quality is also horizontal far beyond domestic, and quality requirement is also not achieved in the accessory country steel of some important equipments, it is necessary to use
Imported steel.The gap of steel product quality is mainly reflected on the crystal structure of steel, the steel product ingredient uniformity is first-class, and influences steel
The main reason for material amount is exactly the shortcomings and deficiencies on process for making, and the defective workmanship mainly showed is steel-making argon blowing system,
Argon process is not met by purified steel technological requirement, and technically it still needs further improvement.
Air brick is functional element necessary to steel ladle bottom argon blowing in liquid steel refining.Existing air brick is various informative.Patent
CN 105397074A one kind can early warning air brick, including air brick main body, alarm, shell, gas chamber and air supply pipe are described
Air supply pipe is equipped with below gas brick main body, the gentle outdoor face of air brick main body is equipped with shell, and the gas chamber is located at ventilative
In brick body interior, one end of the air supply pipe is mounted on gas chamber, and alarm, the alarm are equipped in the air brick main body
It is equipped with the mark of square in device, illuminator is equipped in the mark, between the alarm upper end and air brick main body upper end
Distance be exhaustion layer and air brick height safe to use, the present invention by by air brick alarm use high-strength refractory material
Material and high temperature luminescent material are combined, and ensure the formedness and quality of product；Alarm is pre-buried in air brick production process
Enter brick body, safe and reliable, warning effect is apparent.But first, the air brick alarm of the structure is embedded in brick body,
The pre-buried alarm of air brick 100% can not be confirmed in use, and psychological burden is caused to installation personnel；Second, described should
Be equipped with the mark and illuminator of square in alarm, and be combined using high temperature luminescent material, these not only make brick body at
Originally it is significantly increased, and can there is the safety issue that ensure luminescent material in use.
Invention content
The technical problems to be solved by the invention are to provide the ventilative of a kind of two-way inclination angle slit of band and safety early warning device
Brick and preparation method, the air brick Argon can make molten steel generate circulation and turbulent flow processes in ladle, make molten steel in ladle on
Lower and left and right circulates, and is sufficiently stirred to molten steel, makes various alloys, deoxidier, desulfurizing agent etc. of the addition in molten steel
Rapid melting, and agitation of molten steel obtained more uniform, meet purified steel technological requirement, improves the quality of steel.
To achieve the above object, the present invention is realized using following technical scheme：
A kind of air brick of band two-way inclination angle slit and safety early warning device, including brick housing, brick inner core, brick ring set, argon
The male cone (strobilus masculinus) of gas chamber, anti-gas-leak bottom cover, white steel inner casing, white outer steel shell, safe early warning detection device, brick inner core is equipped in white steel
The inner conical surface of shell, brick housing is equipped with white outer steel shell, brick ring set is equipped between white steel inner casing and white outer steel shell, brick inner core center is equipped with
Safe early warning detection device, brick inner core lower part are equipped with argon gas room, anti-gas-leak bottom cover, anti-gas-leak are equipped with above argon gas room and brick ring set
Bottom cover is equipped with the argon blowing hole communicated with argon gas room, and brick inner core internal circumference is evenly distributed with several inner circle slits and outer circle slit and argon gas
Room communicates, and inner circle slit and outer circle slit are 2-4 ° to the radial rake of cone center axis, while tilting 1- along cone generatrices
3°。
The outer circle slot number is 20-28, and inner circle slot number is 6-10.
The width of the inner circle slit and outer circle slit is 0.15-0.2mm.
The safe early warning detection device is white rod iron.
Ring sets one or multi-channel to brick center safe arc groove outstanding on the white steel inner casing and white outer steel shell.
The anti-gas-leak bottom cover and white steel inner casing sealing welding, upper surface are equipped with sealing circular arc flange.
A kind of air brick preparation method of band two-way inclination angle slit and safety early warning device, is as follows：
1) press white steel inner casing, white outer steel shell size cuts half steel plate, white steel plate roll-in is then gone out into safe arc groove, by wanting
It asks white steel inner casing, white outer steel shell roll-forming；
2) it is positioned over white steel inner casing is small upside down on brick inner core casting die, safe early warning detection device is placed on Bai Gang
The lower part at inner casing microcephaly center is fixed on brick inner core casting die, using plasticized polyurethane material strip, using upper and lower tension mode,
It is fixed in brick inner core casting die, casting refractory is molded later, stove sintering, and the plasticized polyurethane material strip in air brick is melted
Change, forms inner circle slit and outer circle slit；
3) by the refractory brick of step 2 cast molding it is big upside down, anti-gas-leak bottom cover is mounted on white steel inner casing lower part, is adopted
Use sealing welding；
4) refractory brick completed step 3 is small upside down, installs white outer steel shell, uses brick ring set casting die, brick ring set
Casting refractory is molded；
5) refractory brick for completing step 4 greatly upside down, using brick housing casting die, brick housing casting refractory at
Type；
6) stove is sintered, and obtains air brick finished product.
Compared with prior art, the beneficial effects of the invention are as follows：
First, by the air brick with two-way inclination angle slit and safety early warning device, two-way inclination angle slit Argon can make steel
Liquid generates circulation and turbulent flow processes in ladle, and molten steel is made to be circulated up and down with left and right in ladle, is carried out to molten steel abundant
Stirring, makes the rapid meltings such as alloy, deoxidier, desulfurizing agent of the addition in molten steel, promotes molten steel component and molten steel temperature uniform,
Field trash in the adsorbable molten steel of Argon Bubble simultaneously, effectively removes the non-metallic inclusion in steel, reaches cleaning molten steel and improves steel
The purpose of material quality.There is gas in removal molten steel simultaneously, finely tune liquid steel temperature, shorten argon blowing time, improve production efficiency etc.
Effect.
Second, the safe early warning detection device of air brick is pacified by infrared ray computer monitor in effective life
Full early warning, when air brick uses to a certain extent, when safe early warning detection device gives a warning, air brick needs replacing.
Third, white steel inner casing and white outer steel shell are equipped with safe arc groove, and gas leakage is prevented when air brick is burst and is fallen off.
4th, anti-gas-leak bottom cover is equipped with sealing circular arc flange, prevents gas leakage.
Description of the drawings
Fig. 1 is the structural schematic diagram of the air brick of a kind of two-way inclination angle slit of band of the present invention and safety early warning device.
Fig. 2 is the structure top view of the air brick of a kind of two-way inclination angle slit of band of the present invention and safety early warning device.
Fig. 3 is the air brick outer circle narrow slit structure schematic diagram of a kind of two-way inclination angle slit of band and safety early warning device.
Fig. 4 is the structural schematic diagram of anti-gas-leak bottom cover.
In figure：Brick housing 1, brick ring set 2, brick inner core 3, safe early warning detection device 4, white steel inner casing 5, white outer steel shell 6, peace
Full arc groove 7, argon gas room 8, anti-gas-leak bottom cover 9, argon blowing hole 10, inner circle slit 11, outer circle slit 12, hanging ring 13, circular arc flange
14。
Specific implementation mode
The specific implementation mode of the present invention is further illustrated below in conjunction with the accompanying drawings：
Such as Fig. 1-Fig. 4, outside the air brick and preparation method, including brick of a kind of two-way inclination angle slit of band and safety early warning device
Set 1, brick inner core 3, brick ring set 2, argon gas room 8, anti-gas-leak bottom cover 9, white steel inner casing 5, white outer steel shell 6, safe early warning detection device
4。
Brick housing 1 is equipped with hanging ring 13, and the male cone (strobilus masculinus) of brick inner core 3 is equipped with white steel inner casing 5, and the inner conical surface of brick housing 1 is equipped with
White outer steel shell 6 is equipped with brick ring set 2, white steel inner casing 5 and white outer steel shell 6 equipped with together between white steel inner casing 5 and white outer steel shell 6
Or the safe arc groove of multiple tracks 7.Argon gas is leaked along limit during preventing Argon.
3 center of brick inner core is equipped with safe early warning detection device 4, and safe early warning detection device 4 is white rod iron.Safe early warning is examined
It surveys device 4 and show safe early warning state in computer in infrared ray, brick body is gradually worn out in the course of work, when white rod iron all melts
After change, when can not occur safe early warning display when air brick uses information band or less, in computer, safety alarm will be sent out, carried
Show that air brick has arrived the replacement time limit.
3 lower part of brick inner core is equipped with argon gas room 8, and argon gas room 8 is equipped with anti-gas-leak bottom cover 9, anti-gas-leak bottom cover above with brick ring set 2
9 are equipped with sealing circular arc flange 14 with white 5 sealing welding of steel inner casing, upper surface.Anti-gas-leak bottom cover 9 is equipped with and 8 phase of argon gas room
Logical argon blowing hole 10,3 internal circumference of brick inner core is evenly distributed with several inner circle slits 11 and outer circle slit 12 is communicated with argon gas room 8, inner circle
Slit 11 and outer circle slit 12 are 2-4 ° to the radial rake of cone center axis, while tilting 1-3 ° along cone generatrices.
Embodiment 1
A kind of air brick of band two-way inclination angle slit and safety early warning device, including brick housing 1, brick inner core 3, brick ring set 2,
Argon gas room 8, anti-gas-leak bottom cover 9, white steel inner casing 5, white outer steel shell 6, safe early warning detection device 4.
Brick housing 1 is equipped with hanging ring 13, and the male cone (strobilus masculinus) of brick inner core 3 is equipped with white steel inner casing 5, and the inner conical surface of brick housing 1 is equipped with
White outer steel shell 6 is equipped with brick ring set 2 between white steel inner casing 5 and white outer steel shell 6, white steel inner casing 5 is equipped with two safe arc grooves 7,
White outer steel shell 6 is equipped with safe arc groove 7 together.
3 center of brick inner core is equipped with safe early warning detection device 4, and safe early warning detection device 4 is white rod iron.
3 lower part of brick inner core is equipped with argon gas room 8, and argon gas room 8 is equipped with anti-gas-leak bottom cover 9, anti-gas-leak bottom cover above with brick ring set 2
9 are equipped with sealing circular arc flange 14 with white 5 sealing welding of steel inner casing, upper surface.Anti-gas-leak bottom cover 9 is equipped with and 8 phase of argon gas room
Logical argon blowing hole 10,3 internal circumference of brick inner core is evenly distributed with 8 inner circle slits, 11,24 outer circle slits 12, is communicated with argon gas room 8, interior
Circle slit 11 and outer circle slit 12 to the radial rake of cone center axis be 3 °, while along cone generatrices tilt 2 °.Inner circle is narrow
The width of seam and outer circle slit is 0.2mm.
Air brick preparation method of the embodiment 1 with two-way inclination angle slit and safety early warning device, is as follows：
1) white steel inner casing, white outer steel shell size cutting white steel plate are pressed, then by the safe circular arc of white steel inner hull roll-in twice
Slot, one of safe arc groove of white outer steel shell plate roll-in, as required by white steel inner casing, white outer steel shell roll-forming；
2) it is positioned over white steel inner casing is small upside down on brick inner core casting die, safe early warning detection device is placed on Bai Gang
The lower part at inner casing microcephaly center is fixed on brick inner core casting die, using 0.2mm plasticized polyurethane material strips, is tensed using upper and lower
Mode is fixed in brick inner core casting die, and casting refractory is molded later, stove sintering, the plasticized polyurethane in air brick
Material strip is melted, and inner circle slit and outer circle slit are formd；
3) by the refractory brick of step 2 cast molding it is big upside down, anti-gas-leak bottom cover is mounted on white steel inner casing lower part, is adopted
Use sealing welding；
4) refractory brick completed step 3 is small upside down, installs white outer steel shell, uses brick ring set casting die, brick ring set
Casting refractory is molded；
5) refractory brick for completing step 4 greatly upside down, using brick housing casting die, brick housing casting refractory at
Type；
6) stove is sintered, and obtains air brick finished product.
Embodiment 2
A kind of air brick of band two-way inclination angle slit and safety early warning device, including brick housing 1, brick inner core 3, brick ring set 2,
Argon gas room 8, anti-gas-leak bottom cover 9, white steel inner casing 5, white outer steel shell 6, safe early warning detection device 4.
Brick housing 1 is equipped with hanging ring 13, and the male cone (strobilus masculinus) of brick inner core 3 is equipped with white steel inner casing 5, and the inner conical surface of brick housing 1 is equipped with
White outer steel shell 6 is equipped with brick ring set 2 between white steel inner casing 5 and white outer steel shell 6, white steel inner casing 5 is equipped with two safe arc grooves 7,
White outer steel shell 6 is equipped with safe arc groove 7 together.
3 center of brick inner core is equipped with safe early warning detection device 4, and safe early warning detection device 4 is white rod iron.
3 lower part of brick inner core is equipped with argon gas room 8, and argon gas room 8 is equipped with anti-gas-leak bottom cover 9, anti-gas-leak bottom cover above with brick ring set 2
9 are equipped with sealing circular arc flange 14 with white 5 sealing welding of steel inner casing, upper surface.Anti-gas-leak bottom cover 9 is equipped with and 8 phase of argon gas room
Logical argon blowing hole 10,3 internal circumference of brick inner core are evenly distributed with 10 inner circle slits, 11,28 outer circle slits 12, are communicated with argon gas room 8,
Inner circle slit 11 and outer circle slit 12 are 4 ° to the radial rake of cone center axis, while tilting 2 ° along cone generatrices.Inner circle
The width of slit and outer circle slit is 0.15mm.
The preparation method of the two-way inclination angle slit of band of embodiment 2 and the Argon air brick of safety early warning device, specific steps
It is as follows：
1) white steel inner casing, white outer steel shell size cutting white steel plate are pressed, then by the safe circular arc of white steel inner hull roll-in twice
Slot, one of safe arc groove of white outer steel shell plate roll-in, as required by white steel inner casing, white outer steel shell roll-forming；
2) it is positioned over white steel inner casing is small upside down on brick inner core casting die, safe early warning detection device is placed on Bai Gang
The lower part at inner casing microcephaly center is fixed on brick inner core casting die, using 0.15mm plasticized polyurethane material strips, is tensed using upper and lower
Mode is fixed in brick inner core casting die, and casting refractory is molded later, stove sintering, the plasticized polyurethane in air brick
Material strip is melted, and inner circle slit and outer circle slit are formd；
3) by the refractory brick of step 2 cast molding it is big upside down, anti-gas-leak bottom cover is mounted on white steel inner casing lower part, is adopted
Use sealing welding；
4) refractory brick completed step 3 is small upside down, installs white outer steel shell, uses brick ring set casting die, brick ring set
Casting refractory is molded；
5) refractory brick for completing step 4 greatly upside down, using brick housing casting die, brick housing casting refractory at
Type；
6) stove is sintered, and obtains air brick finished product.
Described above is only the basic principle of the present invention, is not imposed any restrictions to the present invention, every right according to the present invention
It carries out equivalent variations and modification, within the scope of the art of this patent protection scheme.
Claims (7)
1. a kind of air brick of band two-way inclination angle slit and safety early warning device, which is characterized in that including brick housing, brick inner core,
Brick ring set, argon gas room, anti-gas-leak bottom cover, white steel inner casing, white outer steel shell, safe early warning detection device, the male cone (strobilus masculinus) of brick inner core are set
There are white steel inner casing, the inner conical surface of brick housing to be equipped with white outer steel shell, brick ring set, brick inner core are equipped between white steel inner casing and white outer steel shell
Center is equipped with safe early warning detection device, and brick inner core lower part is equipped with argon gas room, anti-gas-leak bottom is equipped with above argon gas room and brick ring set
Lid, anti-gas-leak bottom cover are equipped with the argon blowing hole communicated with argon gas room, and brick inner core internal circumference is evenly distributed with several inner circle slits and outer circle
Slit is communicated with argon gas room, inner circle slit and outer circle slit to the radial rake of cone center axis be 2-4 °, while along cone
Busbar tilts 1-3 °.
2. the air brick of band two-way inclination angle slit and safety early warning device according to claim 1, which is characterized in that described
Outer circle slot number be 20-28, inner circle slot number is 6-10.
3. the air brick of band two-way inclination angle slit and safety early warning device according to claim 1, which is characterized in that described
Inner circle slit and outer circle slit width be 0.15-0.2mm.
4. the air brick of band two-way inclination angle slit and safety early warning device according to claim 1, which is characterized in that described
Safe early warning detection device be white rod iron.
5. the air brick of band two-way inclination angle slit and safety early warning device according to claim 1, which is characterized in that described
White steel inner casing and white outer steel shell on ring set it is one or multi-channel to brick center safe arc groove outstanding.
6. the air brick of band two-way inclination angle slit and safety early warning device according to claim 1, which is characterized in that described
Anti-gas-leak bottom cover and white steel inner casing sealing welding, upper surface is equipped with sealing circular arc flange.
7. the preparation method of the air brick of a kind of two-way inclination angle slit of band according to claim 1 and safety early warning device,
It is characterized in that, being as follows：
1) white steel inner casing, white outer steel shell size half steel plate of cutting are pressed, white steel plate roll-in is then gone out into safe arc groove, as required will
White steel inner casing, white outer steel shell roll-forming；
2) it is positioned over white steel inner casing is small upside down on brick inner core casting die, safe early warning detection device is placed on white steel inner casing
The lower part at microcephaly center is fixed on brick inner core casting die, fixed using upper and lower tension mode using plasticized polyurethane material strip
In brick inner core casting die, casting refractory is molded later, stove sintering, and the plasticized polyurethane material strip in air brick is melted,
Form inner circle slit and outer circle slit；
3) anti-gas-leak bottom cover is mounted on white steel inner casing major part lower part by the big of the refractory brick of step 2 cast molding upside down, it is close
Soldering and sealing connects；
4) refractory brick completed step 3 is small upside down, installs white outer steel shell, uses brick ring set casting die, the casting of brick ring set
Refractory material is molded；
5) refractory brick for completing step 4 greatly upside down, uses brick housing casting die, the molding of brick housing casting refractory；
6) stove is sintered, and obtains air brick finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216380.6A CN106893803B (en) | 2017-04-05 | 2017-04-05 | A kind of air brick and preparation method of band two-way inclination angle slit and safety early warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216380.6A CN106893803B (en) | 2017-04-05 | 2017-04-05 | A kind of air brick and preparation method of band two-way inclination angle slit and safety early warning device |
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| Publication Number | Publication Date |
|---|---|
| CN106893803A CN106893803A (en) | 2017-06-27 |
| CN106893803B true CN106893803B (en) | 2018-09-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913847A (en) * | 2018-07-05 | 2018-11-30 | 郑州振东科技有限公司 | A kind of production method of ladle anti-gas-leak air brick |
| CN110066906A (en) * | 2019-06-06 | 2019-07-30 | 洛阳利尔耐火材料有限公司 | A kind of one-pass molding integral air brick, molding die and forming method |
| CN110861192A (en) * | 2019-12-11 | 2020-03-06 | 鞍山市神佳耐火材料有限公司 | Production method of anti-backflow anti-blocking prefabricated air brick for steel ladle |
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| CN201380284Y (en) * | 2009-03-16 | 2010-01-13 | 上海梅山钢铁股份有限公司 | Double-layered slit permeable brick for bottom-blowing, powder-injecting and dephosphorizing |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106893803A (en) | 2017-06-27 |
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