CN109457083A - A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick - Google Patents
A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick Download PDFInfo
- Publication number
- CN109457083A CN109457083A CN201910032361.7A CN201910032361A CN109457083A CN 109457083 A CN109457083 A CN 109457083A CN 201910032361 A CN201910032361 A CN 201910032361A CN 109457083 A CN109457083 A CN 109457083A
- Authority
- CN
- China
- Prior art keywords
- fire resisting
- air
- gas permeable
- center seat
- permeable center
- Prior art date
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000007664 blowing Methods 0.000 title claims abstract description 25
- 239000011449 brick Substances 0.000 title claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000004927 clay Substances 0.000 claims abstract description 6
- 239000011819 refractory material Substances 0.000 claims abstract description 5
- 230000004323 axial length Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 46
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 technical field of refractory materials, especially a kind of air-blowing quantity is precisely controlled fashioned iron packet air brick, air inlet pipe including conical steel shell He its bottom, refractory clay is provided in conical steel shell, refractory clay center is provided with axially extending bore, the upper semisection of through-hole is identical as fire resisting gas permeable center seat and the ventilative section of flat component of fire resisting, the lower semisection section of through-hole is greater than the section of fire resisting gas permeable center seat, make to form outer ring gas chamber in through-hole between fire resisting gas permeable center seat, air inlet pipe is connected to outer ring gas chamber.Air blowing refractory component of the invention, on the basis of existing technology, fire resisting gas permeable center seat is designed as the structure that can slide axially, air inlet area is adjusted in the area of outer ring gas chamber by adjusting fire resisting gas permeable center seat, to adjust air penetrability, former air penetrability can be adjusted back when the air penetrability of air brick changes, to guarantee the accuracy of the air-blowing quantity under nominal pressure.
Description
Technical field
The invention belongs to technical field of refractory materials, and in particular to a kind of air-blowing quantity is precisely controlled fashioned iron packet air brick.
Background technique
In iron and steel metallurgical industry, after molten steel enters ladle, by being blown into inert gas into molten steel, reach uniform molten steel
Temperature and chemical composition promote inclusion floating or control the purpose of inclusion morphology, and modern metallurgy industry generallys use
Technology.The method for realizing this means at present be ladle bottom install air brick, have mixing effect it is good, it is easy to operate, at
The advantages that this is cheap, therefore air brick has become the essential functionalization ventilated element of modern metallurgy industry.
But as the enlargement of ladle develops, the smelting condition of air brick is increasingly harsh.Requirement to air brick is also more next
It is higher, in addition to inert gas can be blown out, also it is required to accurately control air-blowing quantity according to the case where molten steel ladle, and it is traditional
Air brick is merely able to realize by adjusting air pressure, but due to air brick after being washed away by molten steel air penetrability be possible to be not
It is inaccurate to will lead to air-blowing quantity according still further to air pressure adjustment for original setting value.
Summary of the invention
The purpose of the present invention is to provide a kind of air-blowing quantities to be precisely controlled fashioned iron packet air brick, it is intended to solve existing ventilative
The air penetrability of brick air penetrability after being washed away by molten steel changes, and the problem for causing air-blowing quantity inaccurate.
To achieve the above object, a kind of air-blowing quantity of the invention is precisely controlled fashioned iron packet air brick using following technical side
Case: the air inlet pipe including conical steel shell He its bottom, be provided in conical steel shell refractory clay, fire resisting gas permeable center seat and
Fire resisting is breathed freely flat component, and the bottom of the cone steel shell is provided with chassis, and chassis is connect with air inlet pipe, refractory clay center
It is provided with axially extending bore, the upper semisection of through-hole is identical as fire resisting gas permeable center seat and the ventilative section of flat component of fire resisting, makes fire resisting
Gas permeable center seat and fire resisting are breathed freely flat component and through-hole tight fit is gastight axially simultaneously slides, the lower semisection of through-hole
Section is greater than the section of fire resisting gas permeable center seat, makes to form outer ring gas chamber, air inlet pipe in through-hole between fire resisting gas permeable center seat
It is connected to outer ring gas chamber, fire resisting gas permeable center seat upper surface is fixedly connected with the ventilative flat component of fire resisting, fire resisting gas permeable center seat
Lower end surface is fixedly connected with the connection handle for stretching out chassis.
The axial length of the big section of the lower semisection of the through-hole is less than the half of fire resisting gas permeable center seat axial length.
The fire resisting gas permeable center seat and fire resisting breathe freely flat component as cylinder, and through-hole is circular through hole.
The ventilative flat component of the fire resisting is formed by stacking by the ventilative plate of multiple fire resistings, and the ventilative plate of fire resisting is provided with along axial direction
Ventilating groove.
The fire resisting gas permeable center seat upper end is provided with T-slot, and the ventilative flat component bottom end of fire resisting is provided with corresponding
In protrusion insertion T-slot.
The fire resisting gas permeable center seat top surface corresponds to and is provided with concentric circles annular groove at the ventilative flat component of fire resisting, forms top
Ring-shaped air chamber.
The fire resisting gas permeable center seat uses refractory material mechanical pressing, and porosity control is in 27-35%, to ensure it thoroughly
Gas.
The beneficial effects of the present invention are: air blowing refractory component of the invention on the basis of existing technology breathes freely fire resisting
Centre mount is designed as the structure that can slide axially, and adjusts air inlet face in the area of outer ring gas chamber by adjusting fire resisting gas permeable center seat
Product can adjust back former air penetrability when the air penetrability of air brick changes, to guarantee specified to adjust air penetrability
The accuracy of air-blowing quantity under air pressure.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the main view after air penetrability of the present invention improves；
Fig. 3 is volume top view of the present invention；
Fig. 4 is fire resisting gas permeable center seat top plane view of the present invention.
Appended drawing reference: 1- cone steel shell, 2- air inlet pipe, 3- refractory clay, 4- fire resisting gas permeable center seat, 5- fire resisting are ventilative
Flat component, the chassis 6-, 7- through-hole, 8- outer ring gas chamber, 9- connection handle, 10- ventilating groove, 11- concentric circles annular groove.
Specific embodiment
The embodiment of invention is described further with reference to the accompanying drawing.
A kind of air-blowing quantity of the present invention is precisely controlled the embodiment of fashioned iron packet air brick, as depicted in figs. 1 and 2, including circle
The air inlet pipe 2 of taper steel shell 1 and its bottom is provided with refractory clay 3, fire resisting gas permeable center seat 4 and fire resisting in conical steel shell 1
The bottom of ventilative flat component 5, the cone steel shell 1 is provided with chassis 6, and chassis 6 is connect with air inlet pipe 2, in refractory clay 3
The heart is provided with axial through-hole 7, the section phase of the upper semisection and fire resisting gas permeable center seat 4 of through-hole 7 and the ventilative flat component 5 of fire resisting
Together, make fire resisting gas permeable center seat 4 and fire resisting breathe freely flat component 5 and through-hole 7 be fitted close it is gastight axially simultaneously slide,
The lower semisection section of through-hole 7 is greater than the section of fire resisting gas permeable center seat 4, and the axial length of the big section of the lower semisection of through-hole 7 is small
In the half of 4 axial length of fire resisting gas permeable center seat, make to form outer ring gas chamber 8 in through-hole 7 between fire resisting gas permeable center seat 4,
Air inlet pipe 2 is connected to outer ring gas chamber 8, and 4 upper surface of fire resisting gas permeable center seat is fixedly connected with ventilative 5 component of plate of fire resisting, fire resisting
4 upper end of gas permeable center seat is provided with T-slot, and ventilative 5 bottom end of flat component of fire resisting is provided with corresponding protrusion insertion T-slot
In, 4 lower end surface of fire resisting gas permeable center seat is fixedly connected with the connection handle 9 for stretching out chassis 6.
Fire resisting gas permeable center seat 4 and fire resisting breathe freely flat component 5 as cylinder, and through-hole 7 is circular through hole, and round hole is convenient
Processing and sealing.
As shown in figures 1 and 3, the ventilative flat component 5 of fire resisting is formed by stacking by the ventilative plate of four fire resistings, and fire resisting is ventilative flat
Plate is provided with ventilating groove 10 along axial direction.
As shown in figure 4,4 top surface of fire resisting gas permeable center seat, which corresponds to, is provided with concentric circles annular groove at the ventilative flat component 5 of fire resisting
11, top annular gas chamber is formed, is conducive to improve gas percent of pass.
The fire resisting gas permeable center seat uses refractory material mechanical pressing, and porosity control is in 27-35%, to ensure it thoroughly
Gas.
Air brick of the invention when in use, original state as shown in Figure 1, gas enters outer ring gas chamber from air inlet pipe,
Then into fire resisting gas permeable center seat, then entered by concentric circles annular groove in the ventilating groove of the ventilative flat component of fire resisting,
Finally sprayed from top；Air-blowing quantity can be made to become smaller when having certain blocking under washing away of the ventilating groove in molten steel, or with Primordial Qi pressure,
Blowing effect is influenced, this is drop-down connection handle, and fire resisting gas permeable center seat is made to be moved down into Fig. 2 with fire resisting flat component of breathing freely
State, at this moment fire resisting gas permeable center seat is increased in the area of outer ring gas chamber, and the air inflow into fire resisting gas permeable center seat will add
Greatly, it to improve gas percent of pass, depresses air brick in Primordial Qi and maintains air-blowing quantity, reach the mesh that air-blowing quantity is precisely controlled
's.
In other embodiments, fire resisting gas permeable center seat 4 and fire resisting breathe freely flat component 5 section be square or other
Shape, as long as can slide axially in through-hole 7.
Specific embodiment is to further explanation of the invention rather than limits, and is existed for those of ordinary skills
Further transformation is done to structure in the case where not departing from substantive content of the present invention, and all these transformation all should belong to institute of the present invention
Attached scope of protection of the claims.
Claims (7)
1. a kind of air-blowing quantity is precisely controlled the air inlet pipe that fashioned iron packet air brick includes conical steel shell He its bottom, conical steel
The ventilative flat component of refractory clay, fire resisting gas permeable center seat and fire resisting is provided in shell, the bottom of conical steel shell is provided with bottom
Disk, chassis are connect with air inlet pipe, it is characterised in that: refractory clay center is provided with axially extending bore, and the upper semisection of through-hole and fire resisting are saturating
The section of gas centre mount and the ventilative flat component of fire resisting is identical, makes fire resisting gas permeable center seat and the ventilative flat component of fire resisting and through-hole
Be fitted close it is gastight axially simultaneously slide, the lower semisection section of through-hole is greater than the section of fire resisting gas permeable center seat, makes to lead to
Outer ring gas chamber is formed in hole between fire resisting gas permeable center seat, air inlet pipe is connected to outer ring gas chamber, fire resisting gas permeable center seat upper end
Face is fixedly connected with the ventilative flat component of fire resisting, and fire resisting gas permeable center seat lower end surface is fixedly connected with the connection handle for stretching out chassis.
2. a kind of air-blowing quantity according to claim 1 is precisely controlled fashioned iron packet air brick, it is characterised in that: the through-hole
The big section of lower semisection axial length be less than fire resisting gas permeable center seat axial length half.
3. a kind of air-blowing quantity according to claim 1 is precisely controlled fashioned iron packet air brick, it is characterised in that: the fire resisting
Gas permeable center seat and fire resisting breathe freely flat component as cylinder, and through-hole is circular through hole.
4. a kind of air-blowing quantity according to claim 1 is precisely controlled fashioned iron packet air brick, it is characterised in that: the fire resisting
Ventilative flat component is formed by stacking by the ventilative plate of multiple fire resistings, and the ventilative plate of fire resisting is provided with ventilating groove along axial direction.
5. a kind of air-blowing quantity according to claim 1 is precisely controlled fashioned iron packet air brick, it is characterised in that: the fire resisting
Gas permeable center seat upper end is provided with T-slot, and the ventilative flat component bottom end of fire resisting is provided in corresponding protrusion insertion T-slot.
6. a kind of air-blowing quantity according to claim 1 is precisely controlled fashioned iron packet air brick, it is characterised in that: the fire resisting
Gas permeable center seat top surface corresponds to and is provided with concentric circles annular groove at the ventilative flat component of fire resisting, forms top annular gas chamber.
7. a kind of air-blowing quantity according to claim 1 is precisely controlled fashioned iron packet air brick, it is characterised in that: the fire resisting
Gas permeable center seat uses refractory material mechanical pressing, and the porosity is controlled in 27-35%, to ensure its gas permeability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032361.7A CN109457083A (en) | 2019-01-14 | 2019-01-14 | A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032361.7A CN109457083A (en) | 2019-01-14 | 2019-01-14 | A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109457083A true CN109457083A (en) | 2019-03-12 |
Family
ID=65616413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032361.7A Pending CN109457083A (en) | 2019-01-14 | 2019-01-14 | A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109457083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079645A (en) * | 2019-06-14 | 2019-08-02 | 洛阳利尔耐火材料有限公司 | A kind of pin-hole type air brick of adjustable Air permenbility |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09194927A (en) * | 1996-01-18 | 1997-07-29 | Shinagawa Refract Co Ltd | Plug for blowing gas |
| CN202688367U (en) * | 2012-06-26 | 2013-01-23 | 洛阳利尔耐火材料有限公司 | Air brick for blowing from ladle bottom |
| CN202755039U (en) * | 2012-08-24 | 2013-02-27 | 河南省宏达炉业有限公司 | Air brick |
| CN203711826U (en) * | 2014-03-11 | 2014-07-16 | 河南省伯马股份有限公司 | Air blowing fire resistant element for steel making |
| CN107199330A (en) * | 2017-04-06 | 2017-09-26 | 洛阳利尔耐火材料有限公司 | A kind of ladle complex air-permeable brick and preparation method thereof |
| CN209368313U (en) * | 2019-01-14 | 2019-09-10 | 河南省伯马股份有限公司 | A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick |
-
2019
- 2019-01-14 CN CN201910032361.7A patent/CN109457083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09194927A (en) * | 1996-01-18 | 1997-07-29 | Shinagawa Refract Co Ltd | Plug for blowing gas |
| CN202688367U (en) * | 2012-06-26 | 2013-01-23 | 洛阳利尔耐火材料有限公司 | Air brick for blowing from ladle bottom |
| CN202755039U (en) * | 2012-08-24 | 2013-02-27 | 河南省宏达炉业有限公司 | Air brick |
| CN203711826U (en) * | 2014-03-11 | 2014-07-16 | 河南省伯马股份有限公司 | Air blowing fire resistant element for steel making |
| CN107199330A (en) * | 2017-04-06 | 2017-09-26 | 洛阳利尔耐火材料有限公司 | A kind of ladle complex air-permeable brick and preparation method thereof |
| CN209368313U (en) * | 2019-01-14 | 2019-09-10 | 河南省伯马股份有限公司 | A kind of air-blowing quantity is precisely controlled fashioned iron packet air brick |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079645A (en) * | 2019-06-14 | 2019-08-02 | 洛阳利尔耐火材料有限公司 | A kind of pin-hole type air brick of adjustable Air permenbility |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190312 |