CN107052324A - A kind of attachment structure of tundish to crystallizer - Google Patents
A kind of attachment structure of tundish to crystallizer Download PDFInfo
- Publication number
- CN107052324A CN107052324A CN201710277774.2A CN201710277774A CN107052324A CN 107052324 A CN107052324 A CN 107052324A CN 201710277774 A CN201710277774 A CN 201710277774A CN 107052324 A CN107052324 A CN 107052324A
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- China
- Prior art keywords
- oxidation
- ring
- inflation ring
- tundish
- inflation
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- 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
- B22D41/50—Pouring-nozzles
- B22D41/502—Connection arrangements; Sealing means therefor
-
- 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
- B22D41/50—Pouring-nozzles
- B22D41/58—Pouring-nozzles with gas injecting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention belongs to field of steel-making, and in particular to a kind of attachment structure of tundish to crystallizer.Including being connected to the upper hose with filling pipe end of tundish bottom, on crystallizer and upper end mouthpiece cover is connected to the downcomer with collector nozzle of the upper hose bottom outside, also include the correspondence upper hose and a circle seam top winding and anti-oxidation inflation ring with hollow pipe cavity to be formed is socketed with the downcomer, it is provided with the inside of the anti-oxidation inflation ring outside some ventholes, outside and is connected with snorkel.Hard swing pipe of the connection with the tube chamber communicated with the hollow pipe cavity of the anti-oxidation inflation ring on the outside of the anti-oxidation inflation ring, the snorkel is connected to outer end of the hard swing pipe away from the anti-oxidation inflation ring and supplied gas by the tube chamber of snorkel for anti-oxidation inflation ring.By carrying out sending argon gas around anti-oxidation inflation ring abutment joint, so as to form the sealing gland starvation of seaming position, and then molten steel is prevented to be oxidized during streaming.
Description
Technical field
The invention belongs to field of steel-making, and in particular to a kind of attachment structure of tundish to crystallizer.
Background technology
In steelmaking process tundish to crystallizer send the molten steel to be crystallized when, sealing between the upper and lower mouth of a river of docking compared with
Difference, during cast, oxygen enters from abutment joint, so as to cause secondary oxidation to part molten steel, reduces the degree of purity of steel, causes folder
Debris content rises, and then influences the quality of product.Particularly when producing titaniferous stainless steel, serious nozzle blocking can be caused
Phenomenon, or even the mouth of a river can be caused to block and interrupt cast, cause the waste of molten steel, the yield rate reduction of steel-making.Existing connection
Structure member is miscellaneous, and precision Gao Qiugao, cost is very high, and installs inconvenient, while security is poor, poor controllability.And it is existing
New-type attachment structure is used primarily on crystallizer, without on the link position of upper collector nozzle, so that original old-fashioned
Upper collector nozzle can not ensure sealing gland, the big part of crystallizer will be connected if changing to be changed, and cost is larger.
The content of the invention
The purpose of the present invention is that a kind of attachment structure of tundish to crystallizer is provided to solve the above problems.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of tundish including is connected to the upper hose with filling pipe end of tundish bottom, set to the attachment structure of crystallizer
The downcomer with collector nozzle of the upper hose bottom outside, in addition to correspondence institute are connected on crystallizer and upper end mouthpiece cover
State upper hose and a circle seam top winding and anti-oxidation inflation ring with hollow pipe cavity to be formed be socketed with the downcomer,
It is provided with the inside of the anti-oxidation inflation ring outside some ventholes, outside and is connected with snorkel.
By carrying out sending argon gas around anti-oxidation inflation ring abutment joint, so that the sealing gland starvation of seaming position is formed,
And then prevent molten steel to be oxidized during streaming.Supply gas so as to will not be when anti-oxidation inflation ring is installed snorkel outer end
Tracheae is pullled on ladle side nearby, operation of components safety is not easy to damage, while controllability is stronger.
Communicated preferably, connecting to have on the outside of the anti-oxidation inflation ring with the hollow pipe cavity of the anti-oxidation inflation ring
Tube chamber hard swing pipe, the snorkel is connected to outer end of the hard swing pipe away from the anti-oxidation inflation ring, described
The lifting rope for suspending hard swing pipe in midair is fixed with the middle part of hard swing pipe, the outer end of the hard swing pipe is detachably connected with counterweight
Block.
Said structure mode causes anti-oxidation inflation ring contraposition, removes convenient, such as bolt hard fixed without others,
It is easy to staff's remote-controlled operation, it is safer.Balancing weight not only can be set to removably, while can also be adjustable
With weight, an even brandreth basket is such as hung in hard swing pipe outer end, balancing weight is added in brandreth basket, is particularly filled anti-oxidation
After compression ring is aligned, balancing weight can be added again in brandreth basket, to reach that correspondence is even closer firm.
Preferably, the anti-oxidation inflation ring top coordinates balancing weight provided with being used on the tundish bottom surface is butted on
The fixed high piece or fixed high cover positioned to the anti-oxidation inflation ring.
Fixed high piece upper end is against under tundish, so that the anti-oxidation inflation ring lifted under balancing weight effect is positioned
In the height and position of needs.If from fixed high cover, preferably can carry out sealing gland by abutment joint, form argon gas ring one bigger
Border.
Opened preferably, the anti-oxidation inflation ring is provided with for the opposite side relative with the side for connecting the hard swing pipe
The split ring of mouth, symmetrical centre of the anti-oxidation inflation ring inner side at least adjacent to the two ends of the opening of split ring and two ends is each
Provided with a venthole, and the venthole be located at the bottom on the inside of the anti-oxidation inflation ring towards the upper hose with it is described under
Water pipe is socketed the circle top seam to be formed and set.
The anti-oxidation inflation ring of the application is split ring, consequently facilitating split ring is set to downcomer by operator's far-end operation
On, it is safer away from high-temperature area.
Preferably, the downcomer includes positioned at top and gradually thicker socket section and is connected to set from the bottom to top
Connect the straight of section bottom and draw section, the A/F of the split ring is more than the straight diameter for drawing section, outer less than the socket section
Footpath.
Preferably, the anti-oxidation inflation ring bottom is less than the centring ring of socket section upper surface external diameter provided with internal diameter
Portion, centring ring portion upper surface is provided with limiting platform, and the lateral surface of the socket section is provided with and limiting platform face face
The cooperation platform being affixed.
The setting of said structure causes anti-oxidation inflation ring easily can both be set on downcomer, while again can be in set
It is stuck in during first-class upper lift due to the change of water pipe external diameter on water pipe, so as to further carry out precisely determining to anti-oxidation inflation ring
Position, while aspectant docking, more stablizes in use.
Preferably, being provided with suspension ring in the middle part of the hard swing pipe, the lifting rope is connected with the suspension ring, the lifting rope upper end
In the outside wall surface for connecting the tundish；The hard swing pipe outer end is connected with to be fixed on by the opposite two ends being rotarily formed
The handle of the both sides of the hard swing pipe vertically, the handle includes the guiding that one end connects hard swing pipe, the other end raises up
Portion and the handle portion being connected between guide portion.
The guide portion raised up coordinates handle portion so as to be easy to staff to operate when being operated on the spot, while assembling is also more saved
Power.
Preferably, the upper hose extend downward into it is described directly draw in section, it is described socket section on be further opened with through set
The bleed hole of section wall is connect, the bleed hole is the inclined hole that ecto-entad is tilted down, and external port is a vertically arranged word
Mouthful, provided with the air cavity connected with the hollow pipe cavity in the centring ring portion, the centring ring portion is provided with the correspondence bleed
The injection well connected with the air cavity that hole is opened up, it is minimum that the tundish bottom extends below the socket section provided with lower extension
The position guiding rod of position leads a part, and the hard swing pipe sidepiece correspondence is described to be led a part and be provided with towards downcomer side
Opening and up/down perforation with the position guiding rod coordinate socket draw a groove.
Position guiding rod coordinates with drawing a groove, it is ensured that bleed hole is corresponding with the injection well in centring ring portion accurate.1-shaped open is set
The required precision for reducing bleed hole and injection well contraposition is put, production and the convenience used is improved.And molten steel will not be from
Overflow in bleed hole.
Sealing ring can be provided with platform is coordinated, the external port in bleed hole is located at below the sealing ring, at the top of 1-shaped open
Should be local upwards beyond the bottom surface of sealing ring, it is ensured that effectively contraposition is supplied gas.
Preferably, the position guiding rod bottom is from top to bottom diminishing boot segment, the position guiding rod is along described hard
The groove insied width that a groove is overlooked draws described in being equal in the projection width of matter swing pipe axial direction.
Said structure, which had both facilitated position guiding rod and drawn a groove, to be aligned, while by position guiding rod with drawing the engaging of a groove finally, very
Easily just it is transferred to level.It ensure that supplying gas comprehensively in the middle part of socket section so that upper collector nozzle is docked in the seam to be formed
Oxygen fully driven away comprehensively.And the sealing gland at the top of cooperation seam, it is ensured that catch up with oxygen to be followed by sewing what feeding came
Ar gas environment is surrounded.
Preferably, the docking port of the correspondence hollow pipe cavity and hard swing pipe is provided with even gas in the anti-oxidation inflation ring
Baffle plate, the even gas baffle plate extends along the hollow pipe cavity to both sides to be extended；It is provided with the top of the anti-oxidation inflation ring and is butted on institute
The fixed height for coordinating balancing weight to position the anti-oxidation inflation ring stated on tundish bottom surface covers, and the fixed height covers edge
Edge, which is enclosed, on the anti-oxidation inflation ring sets, and cover wall top offers some passages, the passage；The fixed height covers and anti-
The corresponding one end of oxidation inflation ring can be pushed away by push pedal provided with retraction stretches the opening of filling up the anti-oxidation inflation ring
The pars contractilis of vacant locations, the pars contractilis rear end is provided with the push pedal outwards paid, and the pars contractilis correspondence is described anti-oxidation to fill
The position of compression ring is socketed on outside the anti-oxidation inflation ring and inner side offers venthole.
Determining high cover more fully can carry out comprehensive gas shield by abutment joint environment, and causing for pars contractilis is higher to sealing gland requirement
When can be formed one closure anti-oxidation inflation ring so that further improve sealing gland.Pars contractilis is without function of supplying gas, also not with preventing
The connection of inflation ring inner chamber is aoxidized, so as to ensure that anti-oxidation inflation ring is supplied gas uniformly.Track is set in inflation ring, then passes through push pedal
Promotion releases pars contractilis along track.
In summary, the invention has the advantages that：
1st, by carrying out sending argon gas around anti-oxidation inflation ring abutment joint, so as to form the sealing gland starvation of seaming position, enter
And prevent molten steel to be oxidized during streaming.
2nd, the setting of the application structure causes anti-oxidation inflation ring easily can both be set on downcomer, while again can be with
It is stuck in when covering and being lifted on first-class due to the change of water pipe external diameter on water pipe, so as to further be carried out to anti-oxidation inflation ring accurate
Positioning, while aspectant docking, more stablizes in use.
3rd, the application is simple in construction, easy to process, and cost is low, and using effect is good, uses safety.
Brief description of the drawings：
Fig. 1 is the application structural representation；
Fig. 2 is anti-oxidation inflation ring structural representation one；
Fig. 3 is anti-oxidation inflation ring structural representation two；
Fig. 4 is the structural representation of embodiment two；
Fig. 5 is the application structural representation with bleed hole；
Fig. 6 is the inflation ring structural representation with contraction flow region；
Fig. 7 is hard swing pipe structural representation；
Fig. 8 is position guiding rod and draws a slot structure schematic diagram.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, those skilled in the art
The modification without creative contribution can be made to the present embodiment as needed after this specification is read, but as long as in this hair
All protected in bright right by Patent Law.
Embodiment one：
A kind of tundish to crystallizer attachment structure, including be connected to the bottom of tundish 1 the upper hose 2 with filling pipe end,
On crystallizer and upper end mouthpiece cover is connected to the downcomer 4 with collector nozzle of the upper hose bottom outside, in addition to pair
It is answering that the upper hose is socketed winding at the top of the circle seam to be formed with the downcomer and fill with the anti-oxidation of hollow pipe cavity
It is provided with the inside of compression ring 5, the anti-oxidation inflation ring outside some ventholes, outside and is connected with snorkel 6.
By carrying out sending argon gas around anti-oxidation inflation ring abutment joint, so that the sealing gland starvation of seaming position is formed,
And then prevent molten steel to be oxidized during streaming.
Connection is with the tube chamber communicated with the hollow pipe cavity of the anti-oxidation inflation ring on the outside of the anti-oxidation inflation ring
Hard swing pipe 61, the snorkel is connected to outer end of the hard swing pipe away from the anti-oxidation inflation ring.
The lifting rope 62 for suspending hard swing pipe in midair is fixed with the middle part of the hard swing pipe, the outer end of the hard swing pipe is connected with
Balancing weight 63.Suspension ring are provided with the middle part of the hard swing pipe, the lifting rope is connected with the suspension ring.
Said structure mode causes anti-oxidation inflation ring contraposition, removes convenient, such as bolt hard fixed without others,
It is easy to staff's remote-controlled operation, it is safer.
The anti-oxidation inflation ring top coordinates balancing weight to described anti-provided with being used on the tundish bottom surface is butted on
Fixed high piece 65 or fixed high cover that oxidation inflation ring is positioned.
Fixed high piece upper end is against under tundish, so that the anti-oxidation inflation ring lifted under balancing weight effect is positioned
In the height and position of needs.If from fixed high cover, preferably can carry out sealing gland by abutment joint, form argon gas ring one bigger
Border.
The anti-oxidation inflation ring is the opening that the opposite side relative with connecting the side of the hard swing pipe is provided with opening
One is respectively provided with the inside of ring, the anti-oxidation inflation ring at least adjacent to the two ends of opening of split ring and the symmetrical centre at two ends to go out
Stomata, and the bottom that the venthole is located on the inside of the anti-oxidation inflation ring is socketed towards the upper hose and the downcomer
The circle top seam formed is set.
The anti-oxidation inflation ring of the application is split ring, consequently facilitating split ring is set to downcomer by operator's far-end operation
On, it is safer away from high-temperature area.
The downcomer includes positioned at top and gradually thicker socket section 41 and is connected to socket section bottom from the bottom to top
The straight of portion draws section 42, and the A/F of the split ring is more than the straight diameter for drawing section, less than the external diameter of the socket section.
Embodiment two：
Unlike the embodiments above be in is less than outside the socket section upper surface in the anti-oxidation inflation ring bottom provided with internal diameter
The spacing collar portion 7 in footpath.
Centring ring portion upper surface is provided with limiting platform 71, the lateral surface of the socket section be provided with it is described spacing flat
The cooperation platform that table top face is affixed.
The setting of said structure causes anti-oxidation inflation ring easily can both be set on downcomer, while again can be in set
It is stuck in during first-class upper lift due to the change of water pipe external diameter on water pipe, so as to further carry out precisely determining to anti-oxidation inflation ring
Position, while aspectant docking, more stablizes in use.
Embodiment three：
Unlike the embodiments above be in the middle part of the hard swing pipe is provided with suspension ring, and the lifting rope is connected with the suspension ring, institute
Lifting rope upper end is stated to connect in the outside wall surface of the tundish；The hard swing pipe outer end is connected with opposite by what is be rotarily formed
Two ends are fixed on the handle of the both sides of the hard swing pipe vertically, and the handle includes one end connection hard swing pipe, the other end
The guide portion 611 raised up and the handle portion 612 being connected between guide portion.
Example IV：
It is unlike the embodiments above be in the upper hose extend downward into it is described directly draw in section, it is described socket section on also open up
Have through the bleed hole 401 of socket section wall, the bleed hole is the inclined hole that ecto-entad is tilted down, and external port is vertical
Provided with the air cavity that connect with the hollow pipe cavity in the 1-shaped open of setting, the centring ring portion, the centring ring portion is provided with pair
The injection well 501 connected with the air cavity that the bleed hole is opened up is answered, the tundish bottom is extended below provided with lower extension
The position guiding rod 81 of the socket section extreme lower position leads a part, and the hard swing pipe sidepiece correspondence is described to lead a part provided with having
Have and draw a groove 82 towards what the side opening of downcomer one and up/down perforation and the position guiding rod coordinated socket.The position guiding rod bottom
For diminishing boot segment 811 from top to bottom, projection width of the position guiding rod along hard swing pipe axial direction is equal to described
Draw the groove insied width that a groove is overlooked.
Position guiding rod coordinates with drawing a groove, it is ensured that bleed hole is corresponding with the injection well in centring ring portion accurate.1-shaped open is set
The required precision for reducing bleed hole and injection well contraposition is put, production and the convenience used is improved.
Sealing ring can be provided with platform is coordinated, the external port in bleed hole is located at below the sealing ring, at the top of 1-shaped open
Should be local upwards beyond the bottom surface of sealing ring, it is ensured that effectively contraposition is supplied gas.
Said structure, which had both facilitated position guiding rod and drawn a groove, to be aligned, while by position guiding rod with drawing the engaging of a groove finally, very
Easily just it is transferred to level.It ensure that supplying gas comprehensively in the middle part of socket section so that upper collector nozzle is docked in the seam to be formed
Oxygen fully driven away comprehensively.And the sealing gland at the top of cooperation seam, it is ensured that catch up with oxygen to be followed by sewing what feeding came
Ar gas environment is surrounded.
Embodiment five：
It is unlike the embodiments above be in the correspondence hollow pipe cavity in the anti-oxidation inflation ring and hard swing pipe dock
Mouth is provided with even gas baffle plate 502, and the even gas baffle plate extends along the hollow pipe cavity to both sides to be extended；The anti-oxidation inflation ring top
Portion is provided with the fixed height for coordinating balancing weight to position the anti-oxidation inflation ring being butted on the tundish bottom surface and covered,
Fixed high cover edge along along the anti-oxidation inflation ring, which is enclosed, to be set, and cover wall top offers some passages, the passage；Institute
State fixed high cover one end corresponding with anti-oxidation inflation ring and stretched provided with being pushed away by push pedal of being retracted and fill up described and anti-oxidation fill
The pars contractilis 9 of the vacant locations of the opening of compression ring, the pars contractilis rear end is provided with the push pedal outwards paid, the pars contractilis correspondence
The position of the anti-oxidation inflation ring is socketed on outside the anti-oxidation inflation ring.Even gas plate washer is located at the middle part of hollow pipe cavity, and
Its height is less than the hollow pipe cavity diameter.
Determining high cover more fully can carry out comprehensive gas shield by abutment joint environment, and causing for pars contractilis is higher to sealing gland requirement
When can be formed one closure anti-oxidation inflation ring so that further improve sealing gland.Pars contractilis is without function of supplying gas, also not with preventing
The connection of inflation ring inner chamber is aoxidized, so as to ensure that anti-oxidation inflation ring is supplied gas uniformly.Track is set in inflation ring, then passes through push pedal
Promotion releases pars contractilis along track.
Inflation ring is set to by aperture position during installation and directly drawn in section, then under lifting rope point action, balancing weight
Under effect, and lift on fulcrum in conjunction with handle manpower effect inflation ring, position guiding rod and draws the contraposition socket of groove, inflation ring after
Continuous upper lift, in position guiding rod with drawing in the presence of a groove gradually engages so that bleed hole is aligned with injection well, inflation ring is installed in place.
Pars contractilis is can also adjust if needed, pushing is promoted, and pars contractilis fills up opening position and forms a closed loop.
The application is simple in construction, easy to process, and cost is low, and using effect is good, uses safety.
Claims (10)
1. a kind of tundish is to the attachment structure of crystallizer, it is characterised in that：Including being connected to tundish（1）Having for bottom is upper
The upper hose at the mouth of a river（2）, on crystallizer and upper end mouthpiece cover is connected to the upper hose bottom outside has collector nozzle
Downcomer（4）, in addition to the correspondence upper hose is socketed to be formed a circle seam top winding with the downcomer and has
The anti-oxidation inflation ring of hollow pipe cavity（5）, the anti-oxidation inflation ring inner side, which is provided with outside some ventholes, outside, is connected with snorkel
（6）.
2. attachment structure of a kind of tundish to crystallizer according to claim 1, it is characterised in that：The anti-oxidation inflation
Hard swing pipe of the connection with the tube chamber communicated with the hollow pipe cavity of the anti-oxidation inflation ring on the outside of ring（61）, the snorkel
It is connected in the middle part of outer end of the hard swing pipe away from the anti-oxidation inflation ring, the hard swing pipe and is fixed with hard swing pipe
The lifting rope of suspention（62）, the outer end of the hard swing pipe is detachably connected with balancing weight（63）.
3. attachment structure of a kind of tundish to crystallizer according to claim 2, it is characterised in that：The anti-oxidation inflation
Ring top coordinates balancing weight to determining that the anti-oxidation inflation ring is positioned provided with being used on the tundish bottom surface is butted on
High piece（65）Or fixed high cover.
4. attachment structure of a kind of tundish to crystallizer according to claim 2, it is characterised in that：The anti-oxidation inflation
Ring is on the inside of the split ring that the opposite side relative with connecting the side of the hard swing pipe is provided with opening, the anti-oxidation inflation ring
Symmetrical centre at least adjacent to the two ends of the opening of split ring and two ends is respectively provided with a venthole, and the venthole is located at institute
State the bottom on the inside of anti-oxidation inflation ring and the circle top seam setting to be formed is socketed towards the upper hose and the downcomer.
5. attachment structure of a kind of tundish to crystallizer according to claim 4, it is characterised in that：The downcomer includes
Positioned at top and gradually thicker socket section from the bottom to top（41）Draw section with the straight of socket section bottom is connected to（42）, it is described to open
The A/F of choma is more than the straight diameter for drawing section, less than the external diameter of the socket section.
6. attachment structure of a kind of tundish to crystallizer according to claim 5, it is characterised in that：The anti-oxidation inflation
Ring bottom is less than the centring ring portion of socket section upper surface external diameter provided with internal diameter（7）, centring ring portion upper surface is provided with limit
Bit platform（71）, the lateral surface of the socket section is provided with the cooperation platform being affixed with limiting platform face face.
7. attachment structure of a kind of tundish to crystallizer according to claim 3, it is characterised in that：In the hard swing pipe
Portion is provided with suspension ring, and the lifting rope is connected with the suspension ring, and the lifting rope upper end is connected in the outside wall surface of the tundish；It is described hard
Matter swing pipe outer end is connected with the handle that the both sides of the hard swing pipe vertically are fixed on by the opposite two ends being rotarily formed,
The handle includes the guide portion that one end connects hard swing pipe, the other end raises up（611）And it is connected to the handle between guide portion
Hand（612）.
8. attachment structure of a kind of tundish to crystallizer according to claim 6, it is characterised in that：The upper hose is downward
Extend to the bleed hole directly drawn in section, be further opened with running through socket section wall in the socket section（401）, the bleed hole
The inclined hole tilted down for ecto-entad, and external port is vertically arranged 1-shaped open, in the centring ring portion provided with it is described
The air cavity of hollow pipe cavity connection, the centring ring portion opened up provided with the correspondence bleed hole with supplying gas that the air cavity is connected
Hole（501）, the tundish bottom provided with it is lower extension extend below it is described socket section extreme lower position position guiding rod（81）Lead position
Part, hard swing pipe sidepiece correspondence is described lead a part provided with have towards the side opening of downcomer one and up/down perforation with
The position guiding rod coordinates what is be socketed to draw a groove（82）.
9. attachment structure of a kind of tundish to crystallizer according to claim 8, it is characterised in that：The position guiding rod bottom
For diminishing boot segment from top to bottom（811）, projection width of the position guiding rod along hard swing pipe axial direction is equal to institute
State and draw the groove insied width that a groove is overlooked.
10. attachment structure of a kind of tundish to crystallizer according to claim 8, it is characterised in that：It is described anti-oxidation to fill
The docking port of the correspondence hollow pipe cavity and hard swing pipe is provided with even gas baffle plate in compression ring（502）, the even gas baffle plate is described in
Hollow pipe cavity extends to both sides to be extended；The anti-oxidation inflation ring top coordinates provided with being used on the tundish bottom surface is butted on
Enclose on the fixed height cover that balancing weight is positioned to the anti-oxidation inflation ring, fixed high cover edge along along the anti-oxidation inflation ring
If, and cover wall top offers some passages, the passage；The fixed height covers one end corresponding with anti-oxidation inflation ring and set
Have retraction can push away the pars contractilis for the vacant locations for stretching the opening for filling up the anti-oxidation inflation ring by push pedal（9）, institute
State pars contractilis rear end and be provided with the push pedal outwards paid, the position of the pars contractilis correspondence anti-oxidation inflation ring is socketed on described
Outside anti-oxidation inflation ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277774.2A CN107052324B (en) | 2017-04-25 | 2017-04-25 | Connecting structure from tundish to crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277774.2A CN107052324B (en) | 2017-04-25 | 2017-04-25 | Connecting structure from tundish to crystallizer |
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| Publication Number | Publication Date |
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| CN107052324A true CN107052324A (en) | 2017-08-18 |
| CN107052324B CN107052324B (en) | 2023-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107737914A (en) * | 2017-12-06 | 2018-02-27 | 江苏永钢集团有限公司 | It is a kind of to be used to prevent molten steel in the argon seal ring of casting process secondary oxidation |
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| JP2000052004A (en) * | 1998-08-14 | 2000-02-22 | Nippon Steel Corp | Molten steel continuous casting method |
| CN201287197Y (en) * | 2008-09-19 | 2009-08-12 | 济南麦哈勃冶金技术开发有限公司 | Tundish metering nozzle gas protection pouring quick-changing device |
| CN202070730U (en) * | 2011-05-25 | 2011-12-14 | 济南麦哈勃冶金技术开发有限公司 | Metering nozzle gas protection pouring quick-change device |
| CN102416452A (en) * | 2011-12-13 | 2012-04-18 | 北京科技大学 | Device for continuous casting protective casting and method for protective casting |
| CN203565856U (en) * | 2013-11-07 | 2014-04-30 | 广东韶钢松山股份有限公司 | Long nozzle locating and argon blowing ring |
| CN204108308U (en) * | 2014-09-22 | 2015-01-21 | 莱芜钢铁集团有限公司 | The device of the large water-coating port sealed argon-blowing protection of continuous casting |
| CN206662261U (en) * | 2017-04-25 | 2017-11-24 | 永兴特种不锈钢股份有限公司 | A kind of attachment structure of tundish to crystallizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107737914A (en) * | 2017-12-06 | 2018-02-27 | 江苏永钢集团有限公司 | It is a kind of to be used to prevent molten steel in the argon seal ring of casting process secondary oxidation |
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| CN107052324B (en) | 2023-01-31 |
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