CN206662261U - A kind of attachment structure of tundish to crystallizer - Google Patents
A kind of attachment structure of tundish to crystallizer Download PDFInfo
- Publication number
- CN206662261U CN206662261U CN201720440061.9U CN201720440061U CN206662261U CN 206662261 U CN206662261 U CN 206662261U CN 201720440061 U CN201720440061 U CN 201720440061U CN 206662261 U CN206662261 U CN 206662261U
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- Prior art keywords
- oxidation
- ring
- tundish
- inflation ring
- inflation
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- Expired - Fee Related
Links
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 83
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 8
- 238000003032 molecular docking Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 26
- 238000007789 sealing Methods 0.000 abstract description 20
- 210000004907 gland Anatomy 0.000 abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 229910052786 argon Inorganic materials 0.000 abstract description 6
- 238000004826 seaming Methods 0.000 abstract description 4
- 238000009628 steelmaking Methods 0.000 abstract description 4
- 235000003642 hunger Nutrition 0.000 abstract description 3
- 230000037351 starvation Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model 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 tube nozzle is socketed on the downcomer with collector nozzle of the upper hose bottom outside, also include the corresponding 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, some ventholes are provided with the inside of the anti-oxidation inflation ring, snorkel is connected with outside outside.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 are 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 utility model 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 to press from both sides
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, the waste of molten steel is caused, the yield rate of steel-making reduces.Existing connection
Structure member is miscellaneous, and precision Gao Qiugao, cost is very high, and installs inconvenience, while security is poor, poor controllability.It is and 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.
Utility model content
The purpose of this utility model is to provide a kind of attachment structure of tundish to crystallizer to solve the above problems.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of tundish including is connected to the upper water with filling pipe end of tundish bottom to the attachment structure of crystallizer
Pipe, on crystallizer and upper end tube nozzle is socketed on the downcomer with collector nozzle of the upper hose bottom outside, in addition to
It is that the corresponding upper hose is socketed winding at the top of the circle seam to be formed with the downcomer and there is the anti-oxidation of hollow pipe cavity
Inflation ring, the anti-oxidation inflation ring inner side are provided with some ventholes, snorkel are connected with outside outside.
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.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 aligns, balancing weight can be added again in brandreth basket, to reach corresponding even closer firm.
Preferably, be provided with the top of the anti-oxidation inflation ring be butted on the tundish bottom surface be used for coordinate balancing weight
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, it preferably can carry out sealing gland by abutment joint, form a bigger argon gas ring
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 both ends of the opening of split ring and both ends are 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 provided with the centring ring that internal diameter is less than socket section upper surface external diameter
Portion, centring ring portion upper surface are provided with limiting platform, and the lateral surface of the socket section is provided with and limiting platform face phase
The cooperation platform of patch.
The setting of said structure causes anti-oxidation inflation ring easily can both be set on downcomer, while can cover again
It is stuck in during first-class upper lift due to the change of water pipe external diameter on water pipe, it is precisely fixed that anti-oxidation inflation ring is carried out so as to further
Position, while aspectant docking, it is more stable 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 both ends being rotarily formed
The handle of the both sides of the hard swing pipe vertically, the guiding that the handle includes one end connection hard swing pipe, the other end raises up
Portion and the handle portion being connected between guide portion.
The guide portion to raise up coordinates handle portion so as to be easy to staff to operate when being operated on the spot, while assembling also more saves
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 tilts down, and external port is a vertically arranged word
Mouthful, the air cavity connected with the hollow pipe cavity is provided with the centring ring portion, the centring ring portion is provided with the corresponding bleed
The injection well connected with the air cavity that hole opens up, the tundish bottom be provided with it is lower extension extend below it is described socket section it is minimum
The position guiding rod of position leads a part, and leading a part described in the hard swing pipe sidepiece correspondence and be provided with has 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
Putting reduces the required precision in bleed hole and injection well contraposition, improves production and the convenience used.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 projection width of matter swing pipe axial direction is equal to the groove insied width for drawing a groove and overlooking.
Said structure, which had both facilitated position guiding rod and drawn groove, to be aligned, while by the position guiding rod engaging final with drawing a groove, 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 coordinate the sealing gland at the top of seam, it ensure that and caught up with oxygen to be followed by sewing what feeding came
Ar gas environment surrounds.
Preferably, the docking port that the hollow pipe cavity and hard swing pipe are corresponded in the anti-oxidation inflation ring is provided with even gas
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
State the fixed high cover for being used to coordinate balancing weight to position the anti-oxidation inflation ring on tundish bottom surface, the fixed high cover 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 prevented
One end corresponding to oxidation inflation ring is provided with being pushed away by push pedal for retraction and stretches the opening of filling up the anti-oxidation inflation ring
The pars contractilis of vacant locations, the pars contractilis rear end are provided with the push pedal outwards paid, and the pars contractilis corresponds to described anti-oxidation 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 as to 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 utility model 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 isolating oxygen of seaming position
Gas, and then 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 on water pipe, anti-oxidation inflation ring is carried out so as to further accurate due to the change of water pipe external diameter when covering lift on first-class
Positioning, while aspectant docking, it is more stable in use.
3rd, the application is simple in construction, easy to process, and cost is low, and using effect is good, safe to use.
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 for having 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 utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explanation of the present utility model, and it is not to limitation of the present utility model, this area
Technical staff can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected in right of the present utility model by Patent Law.
Embodiment one：
A kind of tundish including is connected to the upper water with filling pipe end of the bottom of tundish 1 to the attachment structure of crystallizer
Pipe 2, on crystallizer and upper end tube nozzle is socketed on the downcomer 4 with collector nozzle of the upper hose bottom outside, also wrap
Include the corresponding upper hose and a circle seam top winding and oxygen with hollow pipe cavity to be formed is socketed with the downcomer
Change inflation ring 5, be provided with some ventholes on the inside of the anti-oxidation inflation ring, snorkel 6 is connected with outside outside.
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.
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 are 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.
It is provided with to be butted on the tundish bottom surface at the top of the anti-oxidation inflation ring and is used to coordinate balancing weight to described anti-
The 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, it preferably can carry out sealing gland by abutment joint, form a bigger argon gas ring
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
Ring, the anti-oxidation inflation ring inner side are respectively provided with one at least adjacent to the both ends of opening of split ring and the symmetrical centre at both ends and gone 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 provided with internal diameter less than the socket section upper end in the anti-oxidation inflation ring bottom
The spacing collar portion 7 of face external diameter.
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 is affixed.
The setting of said structure causes anti-oxidation inflation ring easily can both be set on downcomer, while can cover again
It is stuck in during first-class upper lift due to the change of water pipe external diameter on water pipe, it is precisely fixed that anti-oxidation inflation ring is carried out so as to further
Position, while aspectant docking, it is more stable 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 connects with the suspension ring
Connect, the lifting rope upper end is connected in the outside wall surface of the tundish；The hard swing pipe outer end is connected with by being rotarily formed
Opposite both ends are fixed on the handle of the both sides of the hard swing pipe vertically, the handle include one end connection hard swing pipe,
Guide portion 611 that the other end raises 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
Offer through the bleed hole 401 of socket section wall, the bleed hole is the inclined hole that ecto-entad tilts down, and external port is
Vertically arranged 1-shaped open, the air cavity connected with the hollow pipe cavity is provided with the centring ring portion, is set in the centring ring portion
There is the injection well 501 connected with the air cavity that the corresponding bleed hole opens up, the tundish bottom is provided with lower extension and extended to
A part is led less than a part of leading for the position guiding rod 81 for being socketed section extreme lower position, described in the hard swing pipe sidepiece correspondence to set
Have and draw a groove 82 with coordinate socket towards the side opening of downcomer one and up/down perforation and the position guiding rod.The position guiding rod
Bottom is diminishing boot segment 811 from top to bottom, and projection width of the position guiding rod along hard swing pipe axial direction is equal to
The groove insied width for drawing a groove and overlooking.
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
Putting reduces the required precision in bleed hole and injection well contraposition, improves production and the convenience used.
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 groove, to be aligned, while by the position guiding rod engaging final with drawing a groove, 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 coordinate the sealing gland at the top of seam, it ensure that and caught up with oxygen to be followed by sewing what feeding came
Ar gas environment surrounds.
Embodiment five：
It is unlike the embodiments above to be in corresponding to the hollow pipe cavity and hard swing pipe in the anti-oxidation inflation ring
Docking port 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
Be provided with the top of ring be butted on the tundish bottom surface be used for coordinate balancing weight to determine what the anti-oxidation inflation ring was positioned
High cover, fixed high cover edge along the anti-oxidation inflation ring, which is enclosed, to be set, and cover wall top offers some passages, the ventilation
Hole；One end corresponding to the fixed high cover and anti-oxidation inflation ring is provided with can pushing away to stretch by push pedal and filling up the oxygen for retraction
Change the pars contractilis 9 of the vacant locations of the opening of inflation ring, the pars contractilis rear end is provided with the push pedal outwards paid, the pars contractilis
The position of the corresponding anti-oxidation inflation ring is socketed on outside the anti-oxidation inflation ring.Even gas plate washer is located in hollow pipe cavity
Portion, 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 as to 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 lifted on fulcrum in conjunction with handle manpower effect inflation ring, position guiding rod and draw the contraposition of groove and be socketed, 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, promotes pushing, 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, safe to use.
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 what upper end tube nozzle was socketed on the upper hose bottom outside has collector nozzle
Downcomer（4）, in addition to the corresponding 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 is provided with some ventholes, snorkel is connected with outside outside
（6）.
A kind of 2. attachment structure 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
Outer end of the hard swing pipe away from the anti-oxidation inflation ring is connected to, is fixed with the middle part of the hard swing pipe by hard swing pipe
The lifting rope of suspention（62）, the outer end of the hard swing pipe is detachably connected with balancing weight（63）.
A kind of 3. attachment structure of tundish to crystallizer according to claim 2, it is characterised in that：The anti-oxidation inflation
Be provided with the top of ring be butted on the tundish bottom surface be used for coordinate balancing weight to determine what the anti-oxidation inflation ring was positioned
High piece（65）Or fixed high cover.
A kind of 4. attachment structure of tundish to crystallizer according to claim 2, it is characterised in that：The anti-oxidation inflation
Ring is 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 inner side
Symmetrical centre at least adjacent to the both ends of the opening of split ring and both 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.
A kind of 5. attachment structure of tundish to crystallizer according to claim 4, it is characterised in that：The downcomer includes
Positioned at top and gradual 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.
A kind of 6. attachment structure of tundish to crystallizer according to claim 5, it is characterised in that：The anti-oxidation inflation
Ring bottom is provided with the centring ring portion that internal diameter is less than socket section upper surface external 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 the limiting platform face.
A kind of 7. attachment structure 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 both ends being rotarily formed,
The guide portion that the handle includes one end connection hard swing pipe, the other end raises up（611）And it is connected to the handle between guide portion
Hand（612）.
A kind of 8. attachment structure of tundish to crystallizer according to claim 6, it is characterised in that：The upper hose is downward
Extend to it is described directly draw in section, it is described socket section on be further opened with through socket section wall bleed hole（401）, the bleed hole
The inclined hole tilted down for ecto-entad, and external port is vertically arranged 1-shaped open, be provided with the centring ring portion with it is described
The air cavity of hollow pipe cavity connection, the centring ring portion supply gas provided with what the corresponding bleed hole opened up with what the air cavity connected
Hole（501）, the tundish bottom be provided with it is lower extension extend below it is described socket section extreme lower position position guiding rod（81）Lead position
Part, lead described in the hard swing pipe sidepiece is corresponding a part be provided with 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）.
A kind of 9. attachment structure 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）, the position guiding rod along the hard swing pipe axial direction projection width be equal to institute
State and draw the groove insied width that a groove is overlooked.
A kind of 10. attachment structure of tundish to crystallizer according to claim 8, it is characterised in that：It is described anti-oxidation to fill
The docking port that the hollow pipe cavity and hard swing pipe are corresponded in compression ring is provided with even gas baffle plate（502）, the even gas baffle plate is described in
Hollow pipe cavity extends to both sides to be extended；It is provided with to be butted on the tundish bottom surface at the top of the anti-oxidation inflation ring and is used to coordinate
The fixed height cover that balancing weight is positioned to the anti-oxidation inflation ring, fixed high cover edge along the anti-oxidation inflation ring are enclosed
And if cover wall top offers some passages, the passage；One end corresponding to the fixed high cover and anti-oxidation inflation ring is set
There is the pars contractilis that the vacant locations for stretching the opening for filling up the anti-oxidation inflation ring can be pushed away by push pedal of retraction（9）, institute
State pars contractilis rear end and be provided with the push pedal outwards paid, the pars contractilis correspond to the anti-oxidation inflation ring position be socketed on described in
Outside anti-oxidation inflation ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720440061.9U CN206662261U (en) | 2017-04-25 | 2017-04-25 | A kind of attachment structure of tundish to crystallizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720440061.9U CN206662261U (en) | 2017-04-25 | 2017-04-25 | A kind of attachment structure of tundish to crystallizer |
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| Publication Number | Publication Date |
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| CN206662261U true CN206662261U (en) | 2017-11-24 |
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| CN201720440061.9U Expired - Fee Related CN206662261U (en) | 2017-04-25 | 2017-04-25 | A kind of attachment structure of tundish to crystallizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052324A (en) * | 2017-04-25 | 2017-08-18 | 永兴特种不锈钢股份有限公司 | A kind of attachment structure of tundish to crystallizer |
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2017
- 2017-04-25 CN CN201720440061.9U patent/CN206662261U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052324A (en) * | 2017-04-25 | 2017-08-18 | 永兴特种不锈钢股份有限公司 | A kind of attachment structure of tundish to crystallizer |
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Address after: 313000, Huzhou Huzhou economic and Technological Development Zone, Zhejiang province Yongxing special stainless steel Limited by Share Ltd Patentee after: Yongxing special material technology Co.,Ltd. Address before: 313000, Huzhou Huzhou economic and Technological Development Zone, Zhejiang province Yongxing special stainless steel Limited by Share Ltd Patentee before: YONGXING SPECIAL STAINLESS STEEL Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |