CN201942703U - Combined type side-blowing gun protective brick - Google Patents
Combined type side-blowing gun protective brick Download PDFInfo
- Publication number
- CN201942703U CN201942703U CN2010206545767U CN201020654576U CN201942703U CN 201942703 U CN201942703 U CN 201942703U CN 2010206545767 U CN2010206545767 U CN 2010206545767U CN 201020654576 U CN201020654576 U CN 201020654576U CN 201942703 U CN201942703 U CN 201942703U
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- China
- Prior art keywords
- axial line
- brick
- rifle
- half slot
- brick body
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- Expired - Fee Related
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- 239000011449 brick Substances 0.000 title claims abstract description 83
- 238000007664 blowing Methods 0.000 title abstract description 7
- 230000001681 protective effect Effects 0.000 title abstract 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000009628 steelmaking Methods 0.000 abstract description 3
- 239000004927 clay Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a combined type side-blowing gun protective brick, relating to a steelmaking converter structure. The protective brick is formed by combining an upper brick body and a lower brick body that are of a semi-sector shape, the upper and lower surfaces of the upper and lower brick bodies are parallel, the front end surface is a rectangular plane, the rear end surface is a cambered surface corresponding to the position of a converter wall, two side surfaces are symmetrical, the lower surface of the upper brick body is provided with an oblique semicircular groove with a downward opening, the diameter of the semicircular groove is smaller than that of a side-blowing gun, and the space intersection angle of the axis of the semicircular groove and the axis of the converter wall is equal to that of the set axis of a side protective gun and the axis of the converter wall; the upper surface of the lower brick body is provided with an oblique semicircular groove with a downward opening, the diameter of the semicircular groove is smaller than that of the side-blowing gun, and a space intersection angle of the axis of the semicircular groove and the axis of the converter wall is equal to that of the set axis of the side protective gun and the axis of the converter wall; and after the upper and lower brick bodies are combined, the profile is the same as that of the integral protective brick. The combined type side-blowing gun protective brick has the advantages that fire clay is tightly filled in a gap between the side-blowing gun and the protective brick so as to avoid the infiltration of steel liquid and prevent gun burning and steel leakage accidents.
Description
Technical field:
The utility model relates to the steel-making converter structure, and particularly a kind of built-up type side-blown rifle protects brick.
Background technology:
In converter steelmaking, in order to strengthen the stirring in molten bath, improve the metallurgical reaction dynamic conditions, adopt the bottom blowing technology usually, in converter end rifle is installed and is blown into stirring gas.In order to protect end rifle and to prevent that molten steel from infiltrating the bottom furnace lining, end rifle need be installed in monoblock type and protect in the brick, and fill end rifle and the slit protected between the brick full with refractory mortar.Because the medullary ray of end rifle protects the radially identical of brick with the end rifle of furnace bottom, adopt monoblock type at the bottom of rifle protect brick, to end rifle with when protecting slit filling refractory mortar between the brick; easily the slit is filled completely and fill closely; thereby prevented the molten steel infiltration, protected end rifle, avoided burning rifle and bleed-out accident.
In order further to strengthen the stirring in combined blown converter molten bath, particularly after the converter employing slag splashing technology, because furnace bottom rising, the end rifle stirring action of combined blown converter descends, and obtains good stirring in order to make converter molten pool, bottom side, top blow converter steel-smelting technology occurred.This steel-smelting technology is external except adopting end rifle to be blown into microgas, also with certain side-blown angle (being defined as side-blown rifle medullary ray and converter molten pool sidewall furnace lining radial angle) the side-blown rifle is installed on the converter molten pool sidewall, is blown into stirring gas to the molten bath.The side-blown rifle also needs to protect the brick protection, prevents molten steel infiltration and generation bleed-out and burns the rifle accident.
Existing monoblock type is protected brick and is shaped as: the brick body is half fan piece shape, and upper and lower surface is parallel, and front end face is a rectangle plane, and aft end face is the curved surface shape corresponding to the furnace wall correspondence position, and two sides are the plane of symmetry, and two plane of symmetry space extending Plane intersects are in the furnace wall axial line.
Because there is the angle that blows side in the furnace lining of side-blown rifle medullary ray and converter molten pool furnace wall between radially, protect brick if still adopt monoblock type, because side-blown rifle and the slit of protecting between the brick are little, be difficult to refractory mortar the side-blown rifle and protect slit between the brick and fill full and fill closely, molten steel infiltrates easily, causes rifle and the bleed-out accident of burning.Therefore, need the new side-blown rifle of invention to protect brick and protect the side-blown rifle.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned defective, provides a kind of built-up type side-blown rifle to protect brick.
First scheme of the present utility model is: protect brick and combined by the upper and lower brick body of partly fanning piece shape, the thickness of upper and lower brick body equals half that monoblock type is protected brick thickness respectively; The upper and lower surface of upper and lower brick body is parallel, front end face is a rectangle plane, aft end face is the curved surface shape corresponding to the furnace wall correspondence position, two sides are the plane of symmetry, two plane of symmetry space extending Plane intersects are in the furnace wall axial line, last brick body lower surface offers the tilting half slot that Open Side Down, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Following brick body upper surface offers the tilting half slot that Open Side Down, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Behind the upper and lower brick body zoarium, it is identical that gabarit shape and monoblock type are protected the brick gabarit.
Alternative plan of the present utility model is: protect brick and combined by left and right brick body, protecting brick with monoblock type is that the interface is split to form along the plane perpendicular to brick body upper and lower surface that the side of setting is protected rifle axial line place, left side brick body right flank offers opening tilting half slot to the right, the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Right brick body left surface offers opening tilting half slot left, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut.
Advantage of the present utility model is: adopt built-up type side-blown rifle to protect brick, can guarantee that refractory mortar closely is filled into the side-blown rifle and protects in the slit between the brick, avoid molten steel to infiltrate, prevent to burn rifle and bleed-out accident.
Description of drawings:
Fig. 1 is the utility model first scheme structural representation.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the utility model alternative plan structural representation.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the B-B sectional view of Fig. 4.
Embodiment:
Structure of the present utility model is characterized in that: protect brick and combined by the upper and lower brick body of partly fanning piece shape, the thickness of upper and lower brick body equals half that monoblock type is protected brick thickness respectively; The upper and lower surface of upper and lower brick body is parallel, front end face is a rectangle plane, aft end face is the curved surface shape corresponding to the furnace wall correspondence position, two sides are the plane of symmetry, two plane of symmetry space extending Plane intersects are in the furnace wall axial line, last brick body lower surface offers the tilting half slot that Open Side Down, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Following brick body upper surface offers the tilting half slot that Open Side Down, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Behind the upper and lower brick body zoarium, it is identical that gabarit shape and monoblock type are protected the brick gabarit.
Another kind of structure is characterized in that: protect brick and combined by left and right brick body, protecting brick with monoblock type is that the interface is split to form along the plane perpendicular to brick body upper and lower surface that the side of setting is protected rifle axial line place, left side brick body right flank offers opening tilting half slot to the right, the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Right brick body left surface offers opening tilting half slot left, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut.
When building by laying bricks or stones, after smearing refractory mortar on the semicircle cell wall, the side-blown rifle is put into down in the half slot of brick body, the half slot that will go up the brick body again puzzles the brick body with the side-blown rifle with overlapping.Can guarantee like this to blow side rifle and protect slit between the brick and filled fullly and closely by refractory mortar prevents that molten steel from infiltrating in the slit of protecting brick and side-blown rifle, protect the side-blown rifle, avoids burning rifle and bleed-out accident.
Left and right brick body synthetic operation is smear refractory mortar earlier in half slot after, to put side again and protect rifle equally, and zoarium forms again.
Claims (2)
1. a built-up type side-blown rifle protects brick, and it is characterized in that: protect brick and combined by the upper and lower brick body of partly fanning piece shape, the thickness of upper and lower brick body equals half that monoblock type is protected brick thickness respectively; The upper and lower surface of upper and lower brick body is parallel, front end face is a rectangle plane, aft end face is the curved surface shape corresponding to the furnace wall correspondence position, two sides are the plane of symmetry, two plane of symmetry space extending Plane intersects are in the furnace wall axial line, last brick body lower surface offers the tilting half slot that Open Side Down, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Following brick body upper surface offers the tilting half slot that Open Side Down, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Behind the upper and lower brick body zoarium, it is identical that gabarit shape and monoblock type are protected the brick gabarit.
2. a built-up type side-blown rifle protects brick, it is characterized in that: protect brick and combine by left and right brick body, protecting brick with monoblock type is that the interface is split to form along the plane perpendicular to brick body upper and lower surface that the side of setting is protected rifle axial line place, left side brick body right flank offers opening tilting half slot to the right, the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut; Right brick body left surface offers opening tilting half slot left, and the half slot diameter is less than side-blown rifle diameter, and the side that the half slot axial line and axial line space, the furnace wall angle of cut equal to set is protected the rifle axial line and axial line space, the furnace wall angle of cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206545767U CN201942703U (en) | 2010-12-10 | 2010-12-10 | Combined type side-blowing gun protective brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206545767U CN201942703U (en) | 2010-12-10 | 2010-12-10 | Combined type side-blowing gun protective brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201942703U true CN201942703U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206545767U Expired - Fee Related CN201942703U (en) | 2010-12-10 | 2010-12-10 | Combined type side-blowing gun protective brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201942703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010929A (en) * | 2010-12-10 | 2011-04-13 | 福建省三钢(集团)有限责任公司 | Combined protection brick for side blowing gun |
| CN112063802A (en) * | 2020-06-05 | 2020-12-11 | 北京科技大学 | Method for efficiently removing impurities by side-blowing argon |
-
2010
- 2010-12-10 CN CN2010206545767U patent/CN201942703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010929A (en) * | 2010-12-10 | 2011-04-13 | 福建省三钢(集团)有限责任公司 | Combined protection brick for side blowing gun |
| CN102010929B (en) * | 2010-12-10 | 2012-08-08 | 福建省三钢(集团)有限责任公司 | Combined protection brick for side blowing gun |
| CN112063802A (en) * | 2020-06-05 | 2020-12-11 | 北京科技大学 | Method for efficiently removing impurities by side-blowing argon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20121210 |