CN106893803A - A kind of air brick and preparation method with two-way inclination angle slit and safety early warning device - Google Patents
A kind of air brick and preparation method with two-way inclination angle slit and safety early warning device Download PDFInfo
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- CN106893803A CN106893803A CN201710216380.6A CN201710216380A CN106893803A CN 106893803 A CN106893803 A CN 106893803A CN 201710216380 A CN201710216380 A CN 201710216380A CN 106893803 A CN106893803 A CN 106893803A
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- brick
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- early warning
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- steel
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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 a kind of air brick and preparation method with 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 provided with white steel inner casing, the inner conical surface of brick overcoat is provided with white outer steel shell, brick ring set is provided between steel inner casing and white outer steel shell in vain, brick inner core center is provided with safe early warning detection means, brick inner core bottom is provided with argon gas room, anti-gas-leak bottom is provided with above argon gas room and brick ring set, anti-gas-leak bottom is provided with the argon blowing hole communicated with argon gas room, the uniform some inner circle slits of brick inner core internal circumference and cylindrical slit are communicated with argon gas room, inner circle slit and cylindrical slit are 24 ° to the radial rake of cone center axis, simultaneously 13 ° are inclined along cone generatrices.With two-way inclination angle and safe early warning detection means, air brick Argon can make molten steel that circulation and turbulent flow processes are produced in ladle, make the rapid meltings such as various alloys, deoxidier, desulfurizing agent of the addition in molten steel, and agitation of molten steel is obtained more uniform.
Description
Technical field
It is more particularly to a kind of with two-way inclination angle slit and safety early warning device the present invention relates to stove fire resisting material field
Air brick and preparation method.
Background technology
At present, the history of steel ladle bottom argon blowing technology application existing decades, also achieved in purified steel technical elements 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
Also far beyond domestic level, the accessory country steel of some visual plants do not reach quality requirement also to quality, 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 cause of material amount, is exactly the shortcomings and deficiencies on process for making, and the defective workmanship of main performance is steel-making argon blowing system,
Argon process is not met by purified steel technological requirement, technically need further raising.
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, air chamber and air supply pipe are described
Gas brick main body lower section is provided with air supply pipe, and the gentle outdoor face of air brick main body is provided with shell, and the air chamber is located at ventilative
In brick body interior, one end of the air supply pipe is arranged on air chamber, and alarm, the alarm are provided with the air brick main body
The mark of square is provided with device, illuminator is provided with the mark, between the alarm upper end and air brick main body upper end
Distance be exhaustion layer, be also that air brick uses safe altitude, the present invention uses high-strength refractory material by by air brick alarm
Material and high temperature luminescent material are composited, it is ensured that the formedness and quality of product；Alarm is pre-buried in air brick production process
Enter brick body, safe and reliable, alarming effect is obvious.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, psychological burden is caused to installation personnel；Second, described should
The mark and illuminator of square are provided with alarm, and are composited using high temperature luminescent material, these not only make brick body into
Originally it is significantly increased, and exists can ensure the safety issue of luminescent material in use.
The content of the invention
The technical problems to be solved by the invention, are to provide a kind of ventilative with two-way inclination angle slit and safety early warning device
Brick and preparation method, the air brick Argon can make molten steel that circulation and turbulent flow processes are produced in ladle, make molten steel in the ladle on
Lower and left and right is circulated, and molten steel is sufficiently stirred for, and makes various alloys, deoxidier, the desulfurizing agent of addition in molten steel etc.
Rapid melting, and agitation of molten steel is obtained more uniform, meet purified steel technological requirement, improve the quality of steel.
To achieve the above object, the present invention is realized using following technical scheme：
A kind of air brick with two-way inclination angle slit and safety early warning device, including brick overcoat, brick inner core, brick ring set, argon
Air chamber, anti-gas-leak bottom, white steel inner casing, white outer steel shell, safe early warning detection means, the male cone (strobilus masculinus) of brick inner core are provided with white steel
Shell, the inner conical surface of brick overcoat is provided with white outer steel shell, and brick ring set is provided between white steel inner casing and white outer steel shell, and brick inner core center is provided with
Safe early warning detection means, brick inner core bottom is provided with argon gas room, and anti-gas-leak bottom, anti-gas-leak are provided with above argon gas room and brick ring set
Bottom is provided with the argon blowing hole communicated with argon gas room, the uniform some inner circle slits of brick inner core internal circumference and cylindrical slit and argon gas
Room communicates, and inner circle slit and cylindrical slit are 2-4 ° to the radial rake of cone center axis, while inclining 1- along cone generatrices
3°。
Described cylindrical slot number is 20-28, and inner circle slot number is 6-10.
Described inner circle slit and the width of cylindrical slit are 0.15-0.2mm.
Described safe early warning detection means is white rod iron.
Ring sets the one or multi-channel safe arc groove prominent to brick center on described white steel inner casing and white outer steel shell.
Described anti-gas-leak bottom and white steel inner casing sealing welding, its upper surface are provided with sealing circular arc flange.
A kind of air brick preparation method with two-way inclination angle slit and safety early warning device, comprises the following steps that：
1) by white steel inner casing, white outer steel shell size cut half steel plate, white steel plate roll-in is then gone out into safe arc groove, by will
Ask 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 means is placed on Bai Gang
The bottom 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, afterwards casting refractory shaping, stove sintering, the plasticized polyurethane material strip in air brick is melted
Change, form inner circle slit and cylindrical slit；
3) anti-gas-leak bottom is arranged on white steel inner casing bottom by the big of the refractory brick of step 2 cast molding upside down, is adopted
Use sealing welding；
4) refractory brick for completing 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 is big upside down, using brick overcoat casting die, brick overcoat casting refractory into
Type；
6) stove sintering, obtains air brick finished product.
Compared with prior art, the beneficial effects of the invention are as follows：
First, by the two-way inclination angle slit of band and the air brick of safety early warning device, two-way inclination angle slit Argon can make steel
Liquid produces circulation and turbulent flow processes in ladle, molten steel is circulated with left and right up and down in ladle, and molten steel is carried out fully
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,
The field trash in the adsorbable molten steel of Argon Bubble, effectively removes the non-metallic inclusion in steel simultaneously, reaches cleaning molten steel and improves steel
The purpose of material quality.There is gas in removal molten steel simultaneously, liquid steel temperature is finely tuned, shorten argon blowing time, improve production efficiency etc.
Effect.
Second, the safe early warning detection means of air brick is in effective life, to be pacified by infrared ray computer monitor
Full early warning, when air brick is used to a certain extent, when safe early warning detection means gives a warning, air brick needs to change.
3rd, white steel inner casing and white outer steel shell are provided with safe arc groove, gas leakage is prevented when air brick bursts and is come off.
4th, anti-gas-leak bottom is provided with sealing circular arc flange, prevents gas leakage.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the air brick with two-way inclination angle slit and safety early warning device of the present invention.
Fig. 2 is a kind of structure top view of the air brick with two-way inclination angle slit and safety early warning device of the present invention.
Fig. 3 is a kind of cylindrical narrow slit structure schematic diagram of the air brick with two-way inclination angle slit and safety early warning device.
Fig. 4 is the structural representation of anti-gas-leak bottom.
In figure：Brick overcoat 1, brick ring set 2, brick inner core 3, safe early warning detection means 4, white steel inner casing 5, white outer steel shell 6, peace
Full arc groove 7, argon gas room 8, anti-gas-leak bottom 9, argon blowing hole 10, inner circle slit 11, cylindrical slit 12, suspension ring 13, circular arc flange
14。
Specific embodiment
Specific embodiment of the invention is further illustrated below in conjunction with the accompanying drawings：
Such as Fig. 1-Fig. 4, outside a kind of air brick and preparation method, including brick with two-way inclination angle slit and safety early warning device
Set 1, brick inner core 3, brick ring set 2, argon gas room 8, anti-gas-leak bottom 9, white steel inner casing 5, white outer steel shell 6, safe early warning detection means
4。
Brick overcoat 1 is provided with suspension ring 13, and the male cone (strobilus masculinus) of brick inner core 3 is provided with white steel inner casing 5, and the inner conical surface of brick overcoat 1 is provided with
White outer steel shell 6, brick ring set 2 is provided between white steel inner casing 5 and white outer steel shell 6, together with white steel inner casing 5 is provided with white outer steel shell 6
Or the safe arc groove 7 of multiple tracks.Argon gas is leaked along limit during preventing Argon.
The center of brick inner core 3 is provided with safe early warning detection means 4, and safe early warning detection means 4 is white rod iron.Safe early warning is examined
Survey device 4 and safe early warning state is shown in computer in infrared ray, brick body gradually wears out in the course of work, when white rod iron is all molten
After change, air brick is used when below information band, when cannot occur safe early warning display in computer, will send safety alarm, is carried
Show that air brick has arrived the replacing time limit.
The bottom of brick inner core 3 is provided with argon gas room 8, and argon gas room 8 is provided with anti-gas-leak bottom 9, anti-gas-leak bottom above with brick ring set 2
9 are provided with sealing circular arc flange 14 with the white sealing welding of steel inner casing 5, its upper surface.Anti-gas-leak bottom 9 is provided with and the phase of argon gas room 8
Logical argon blowing hole 10, the uniform some inner circle slits 11 of the internal circumference of brick inner core 3 and cylindrical slit 12 are communicated with argon gas room 8, inner circle
Slit 11 and cylindrical slit 12 are 2-4 ° to the radial rake of cone center axis, while inclining 1-3 ° along cone generatrices.
Embodiment 1
A kind of air brick with two-way inclination angle slit and safety early warning device, including brick overcoat 1, brick inner core 3, brick ring set 2,
Argon gas room 8, anti-gas-leak bottom 9, white steel inner casing 5, white outer steel shell 6, safe early warning detection means 4.
Brick overcoat 1 is provided with suspension ring 13, and the male cone (strobilus masculinus) of brick inner core 3 is provided with white steel inner casing 5, and the inner conical surface of brick overcoat 1 is provided with
White outer steel shell 6, brick ring set 2 is provided between white steel inner casing 5 and white outer steel shell 6, and white steel inner casing 5 is provided with the safe arc groove 7 in two roads,
White outer steel shell 6 is provided with safe arc groove 7 together.
The center of brick inner core 3 is provided with safe early warning detection means 4, and safe early warning detection means 4 is white rod iron.
The bottom of brick inner core 3 is provided with argon gas room 8, and argon gas room 8 is provided with anti-gas-leak bottom 9, anti-gas-leak bottom above with brick ring set 2
9 are provided with sealing circular arc flange 14 with the white sealing welding of steel inner casing 5, its upper surface.Anti-gas-leak bottom 9 is provided with and the phase of argon gas room 8
Logical argon blowing hole 10, the internal circumference of brick inner core 3 11,24 cylindrical slits 12 of uniform 8 inner circle slits, communicates with argon gas room 8, interior
Circle slit 11 and cylindrical slit 12 are 3 ° to the radial rake of cone center axis, while inclining 2 ° along cone generatrices.Inner circle is narrow
The width of seam and cylindrical slit is 0.2mm.
Air brick preparation method of the embodiment 1 with two-way inclination angle slit and safety early warning device, comprises the following steps that：
1) white steel plate is cut by white steel inner casing, white outer steel shell size, then by the safe circular arc of white steel inner hull roll-in twice
Groove, one safe arc groove of white outer steel shell plate roll-in, on request 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 means is placed on Bai Gang
The bottom at inner casing microcephaly center, is fixed on brick inner core casting die, using 0.2mm plasticized polyurethane material strips, using tensing up and down
Mode, is fixed in brick inner core casting die, afterwards casting refractory shaping, stove sintering, the plasticized polyurethane in air brick
Material strip is melted, and forms inner circle slit and cylindrical slit；
3) anti-gas-leak bottom is arranged on white steel inner casing bottom by the big of the refractory brick of step 2 cast molding upside down, is adopted
Use sealing welding；
4) refractory brick for completing 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 is big upside down, using brick overcoat casting die, brick overcoat casting refractory into
Type；
6) stove sintering, obtains air brick finished product.
Embodiment 2
A kind of air brick with two-way inclination angle slit and safety early warning device, including brick overcoat 1, brick inner core 3, brick ring set 2,
Argon gas room 8, anti-gas-leak bottom 9, white steel inner casing 5, white outer steel shell 6, safe early warning detection means 4.
Brick overcoat 1 is provided with suspension ring 13, and the male cone (strobilus masculinus) of brick inner core 3 is provided with white steel inner casing 5, and the inner conical surface of brick overcoat 1 is provided with
White outer steel shell 6, brick ring set 2 is provided between white steel inner casing 5 and white outer steel shell 6, and white steel inner casing 5 is provided with the safe arc groove 7 in two roads,
White outer steel shell 6 is provided with safe arc groove 7 together.
The center of brick inner core 3 is provided with safe early warning detection means 4, and safe early warning detection means 4 is white rod iron.
The bottom of brick inner core 3 is provided with argon gas room 8, and argon gas room 8 is provided with anti-gas-leak bottom 9, anti-gas-leak bottom above with brick ring set 2
9 are provided with sealing circular arc flange 14 with the white sealing welding of steel inner casing 5, its upper surface.Anti-gas-leak bottom 9 is provided with and the phase of argon gas room 8
Logical argon blowing hole 10, the internal circumference of brick inner core 3 11,28 cylindrical slits 12 of uniform 10 inner circle slits, communicates with argon gas room 8,
Inner circle slit 11 and cylindrical slit 12 are 4 ° to the radial rake of cone center axis, while inclining 2 ° along cone generatrices.Inner circle
The width of slit and cylindrical slit is 0.15mm.
The preparation method of the Argon air brick of the two-way inclination angle slit of band and safety early warning device of embodiment 2, specific steps
It is as follows：
1) white steel plate is cut by white steel inner casing, white outer steel shell size, then by the safe circular arc of white steel inner hull roll-in twice
Groove, one safe arc groove of white outer steel shell plate roll-in, on request 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 means is placed on Bai Gang
The bottom at inner casing microcephaly center, is fixed on brick inner core casting die, using 0.15mm plasticized polyurethane material strips, using tensing up and down
Mode, is fixed in brick inner core casting die, afterwards casting refractory shaping, stove sintering, the plasticized polyurethane in air brick
Material strip is melted, and forms inner circle slit and cylindrical slit；
3) anti-gas-leak bottom is arranged on white steel inner casing bottom by the big of the refractory brick of step 2 cast molding upside down, is adopted
Use sealing welding；
4) refractory brick for completing 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 is big upside down, using brick overcoat casting die, brick overcoat casting refractory into
Type；
6) stove sintering, obtains air brick finished product.
Described above is only general principle of the invention, and not the present invention is imposed any restrictions, every right according to the present invention
It carries out equivalent variations and modification, within the category of the art of this patent protection scheme.
Claims (7)
1. a kind of air brick with two-way inclination angle slit and safety early warning device, it is characterised in that including brick overcoat, brick inner core,
Brick ring set, argon gas room, anti-gas-leak bottom, white steel inner casing, white outer steel shell, safe early warning detection means, the male cone (strobilus masculinus) of brick inner core set
The inner conical surface for having white steel inner casing, brick overcoat is provided with white outer steel shell, and brick ring set, brick inner core are provided between white steel inner casing and white outer steel shell
Center is provided with safe early warning detection means, and brick inner core bottom is provided with argon gas room, anti-gas-leak bottom is provided with above argon gas room and brick ring set
Lid, anti-gas-leak bottom is provided with the argon blowing hole communicated with argon gas room, uniform some inner circle slits of brick inner core internal circumference and cylindrical
Slit is communicated with argon gas room, and inner circle slit and cylindrical slit are 2-4 ° to the radial rake of cone center axis, while along cone
Bus inclines 1-3 °.
2. the air brick with two-way inclination angle slit and safety early warning device according to claim 1, it is characterised in that described
Cylindrical slot number be 20-28, inner circle slot number is 6-10.
3. the air brick with two-way inclination angle slit and safety early warning device according to claim 1, it is characterised in that described
Inner circle slit and cylindrical slit width be 0.15-0.2mm.
4. the air brick with two-way inclination angle slit and safety early warning device according to claim 1, it is characterised in that described
Safe early warning detection means be white rod iron.
5. the air brick with two-way inclination angle slit and safety early warning device according to claim 1, it is characterised in that described
White steel inner casing and white outer steel shell on ring set the one or multi-channel safe arc groove prominent to brick center.
6. the air brick with two-way inclination angle slit and safety early warning device according to claim 1, it is characterised in that described
Anti-gas-leak bottom and white steel inner casing sealing welding, its upper surface be provided with sealing circular arc flange.
7. a kind of preparation method of the air brick with two-way inclination angle slit and safety early warning device according to claim 1,
Characterized in that, comprising the following steps that：
1) half steel plate is cut by white steel inner casing, white outer steel shell size, white steel plate roll-in is then gone out into safe arc groove, on request 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 means is placed on white steel inner casing
The bottom 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 shaping afterwards, stove sintering, the plasticized polyurethane material strip in air brick is melted,
Form inner circle slit and cylindrical slit；
3) anti-gas-leak bottom is arranged on white steel inner casing major part bottom by the big of the refractory brick of step 2 cast molding upside down, it is close
Soldering and sealing connects；
4) refractory brick for completing 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 is big upside down, uses brick overcoat casting die, the shaping of brick overcoat casting refractory；
6) stove sintering, 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN106893803A true CN106893803A (en) | 2017-06-27 |
| CN106893803B CN106893803B (en) | 2018-09-14 |
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|---|---|---|---|
| CN201710216380.6A Active 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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Cited By (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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| CN206736296U (en) * | 2017-04-05 | 2017-12-12 | 海城市方宏耐火材料有限公司 | A kind of air brick of the two-way inclination angle slit of band and safety early warning device |
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Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106893803B (en) | 2018-09-14 |
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