CN101966581A - Tundish mechanism for continuous casting - Google Patents
Tundish mechanism for continuous casting Download PDFInfo
- Publication number
- CN101966581A CN101966581A CN 201010525499 CN201010525499A CN101966581A CN 101966581 A CN101966581 A CN 101966581A CN 201010525499 CN201010525499 CN 201010525499 CN 201010525499 A CN201010525499 A CN 201010525499A CN 101966581 A CN101966581 A CN 101966581A
- Authority
- CN
- China
- Prior art keywords
- river
- mouth
- continuous casting
- tundish
- immersion
- 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
Images
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention provides a tundish mechanism for continuous casting, which comprises an upper water gap, an immersive lower water gap and a clamping device for fixing the upper and the lower water gaps, wherein a spring is arranged on the clamping device; the included angle of the spring and the casting axis of the upper and the lower water gaps is 45 degrees. The tundish mechanism for the continuous casting of the invention has the advantages of simple structure, convenient operation, driving mechanism capable of being flexibly opened and closed, high automaticity, high replacing speed improvement of clamping way of the upper and the lower water gaps, compact combination of the surfaces of the upper and the lower water gaps, cooperation of argon sealing system, and avoidance of bleed-out accident caused by the board oxidation via suction; and the tundish mechanism is not required to lift the tundish when the immersive lower water gap is replaced in a crystallizer.
Description
Technical field
The present invention relates to a kind of continuous casting tundish mechanism.
Background technology
In the casting of conventional slab caster, meniscus position behind the casting certain hour, the mouth of a river needs to change with a new following mouth of a river because of being protected the erosion easy fracture of slag this moment under the immersion.
There are a lot of shortcomings in present common tundish mechanism, as Fig. 1, shown in Figure 3, tundish mechanism comprises the mouth of a river 1 under the immersion, filling pipe end 9 and is used for fixing the clamping device 8 at the mouth of a river up and down, be connected by spring 11 between clamping device 8 and the mouth of a river, it is 4 perpendicular with joint efforts that the thrust that common middle turn-up mechanism drive unit in the quick change process produces and spring form, because of certain slit is arranged between the mechanism and the mouth of a river, when moving, plate face 2 can produce minor shifts, make that the pouring channel 6 at the mouth of a river up and down can not fine centering, easily form bias current.And spring 11 passed distance rod 10 mouth of a river under filling pipe end 9 and the immersion 1 was clamped, this moment spring force the transmittance process complexity, machine error is big, can not guarantee that each distance rod 10 obtains identical elastic force, make that mouth of a river plate face because of air-breathing oxidation plate face 2, causes bleed-out in conjunction with not tight up and down.In the process of changing, the impact stress that the mouth of a river 1 is subjected under the immersion is big, easily produces recessive crackle, causes mouth of a river oxidation or intensity to reduce also easily to take place the bleed-out accident, interrupts casting.The most key is, and mouth of a river neck (plate face and cylindrical junction) position is easy to produce stress concentrates, and causes crackle.Common tundish mechanism structure complexity, profile is thick, and it is many to change mouth of a river step, and the degree of automation is low, and it is long to change process time, and pulling rate changes greatly, and very big potential safety hazard is arranged, and slab quality is had very big influence, has slightly very can not cause stopping watering or bleed-out.
Summary of the invention
The objective of the invention is to solve above-mentioned technical problem, a kind of continuous casting tundish mechanism is provided.
Purpose of the present invention is achieved through the following technical solutions:
A kind of continuous casting tundish mechanism comprises the mouth of a river under filling pipe end, the immersion and is used for fixing the clamping device at the mouth of a river up and down that wherein said clamping device is provided with spring, and described spring is at 45 with the casting axis angle at the mouth of a river up and down.
Further, above-described continuous casting tundish mechanism seals by argon gas between the wherein said clamping device and the mouth of a river.
Further, above-described continuous casting tundish mechanism, the supporting surface at the mouth of a river is obliquely installed under the wherein said immersion, and is at 45 with the casting axis angle.
Further, above-described continuous casting tundish mechanism, the mouth of a river is provided with box hat under the wherein said immersion, and the outer contour shape of the inclined support surface at the mouth of a river coincide under described box hat and the immersion.
Further, above-described continuous casting tundish mechanism, wherein said box hat and the mouth of a river are for being threaded.
Beneficial effect of the present invention is mainly reflected in: continuous casting of the present invention tundish mechanism, and the more common middle turn-up mechanism of appearance and size is little by 1/3, and making has more space to change the mouth of a river under the immersion, more convenient operation in the crystallizer.Improved the clamping mode at the mouth of a river up and down simultaneously, made that mouth of a river face cooperates argon envelope system, the bleed-out accident of having avoided the plate face to cause because of air-breathing oxidation in conjunction with tightr up and down; In the process of changing the mouth of a river, the following mouth of a river suffered impact stress of neck has reduced 40%～50%, can not produce recessive crackle.Replace pneumatic means with hydraulic means, the replacing process is more steady.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: common tundish structural scheme of mechanism in the prior art.
Fig. 2: continuous casting of the present invention tundish structural scheme of mechanism.
Fig. 3: gate structure schematic diagram under the immersion of common tundish mechanism in the prior art.
Fig. 4: continuous casting of the present invention is with gate structure schematic diagram under the immersion of tundish mechanism.
Wherein:
2 plate faces, 3 box hats in the mouth of a river under 1 immersion
4 springs are 5 supporting surfaces, 6 pouring channels with joint efforts
7 casting axis, 8 clamping devices, 9 filling pipe ends
10 distance rods, 11 springs, 12 argon gas axles
13 argon gas holes, 14 filling pipe end briquettings
The specific embodiment
The present invention has disclosed a kind of continuous casting tundish mechanism, as shown in Figure 2, a kind of continuous casting tundish mechanism, comprise the mouth of a river 1 under filling pipe end 9, the immersion and be used for fixing the clamping device 8 at the mouth of a river up and down, clamping device 8 is provided with and is used for fixing the mouth of a river and the casting axis 7 angles spring 11 at 45 at the mouth of a river up and down, seals by argon gas between the clamping device 8 and the mouth of a river.Described clamping device 8 adopts the rotation clamping mode of prior art, does not therefore repeat them here.
The supporting surface at the mouth of a river 1 is obliquely installed for 5 one-tenth under the immersion, and is at 45 with casting axis 7 angles.Be connected with and the identical box hat 3 of the outer contour shape of inclined support surface 5 by locking nut is spacing on the mouth of a river 1 under the immersion.
This mechanism is designed to a angle with the clamping mode of supporting surface 5 and equals the b angle, and be all 45 degree as shown in Figure 4, spring 4 resolves into vertically and the power of horizontal direction with joint efforts, wherein the component of level has guaranteed that the mouth of a river 1 can not be offset under the immersion in the process of motion, can not cause bias current, component vertical simultaneously and plate face 2 directions of motion have guaranteed the clamping force of the mouth of a river in the replacing process.
Simultaneously owing to adopt the design of miter angle, with 4 directly being carried on the mouth of a river box hat 3 with joint efforts of spring, and by the spacing design of locking nut, make that the decrement of each spring is certain, it 4 also is consistent that box hat 3 is subjected to that six springs make a concerted effort, the design of the clamping device 8 that argon system seals in cooperations, argon gas axle 12, argon gas hole 13,14 4 parts of filling pipe end briquetting, make before replacing, in the replacing, after the replacing, elastic force and sealing system all are consistent.In addition, adopt miter angle to clamp, the stress of joint portion is concentrated basic the disappearance.Simultaneously suffered impact stress has reduced 40%～50% in the quick change process, has stopped that the mouth of a river 1 produces the bleed-out accident that recessive crackle causes because of the quick change impact stress under the immersion.
Tundish of the present invention mechanism during the mouth of a river 1, opens rotatable fluid pressure drive device under changing immersion, puts into the new following mouth of a river, the drive unit that closes, and inching button, the hydraulic cylinder action, quick change finishes, and takes out the old mouth of a river.Need not to cut off steel stream, even do not change pulling rate,, and can prolong casting raising production capacity the not influence of whole slab quality.As matching with liquid level detection system, can realize the full-automatic operation of " a key quick change ", the quick change process is simple, safety.
The present invention compared with prior art has the following advantages:
1), structure is more succinct, more convenient operation has the drive unit of folding flexibly, makes in conjunction with exquisite configuration design to need not to promote tundish when changing under the immersion mouth of a river in crystallizer; The automaticity height, replacing speed is fast, only needs inching button, in 2s, can finish the replacing at the new mouth of a river, to the crystallizer flow field, slab quality and whole continuous casting cycle, almost not influence.
2), improved the clamping mode at the mouth of a river up and down, mouth of a river face cooperates argon envelope system, the bleed-out accident of having avoided the plate face to cause because of air-breathing oxidation in conjunction with tightr up and down; In changing the process at the mouth of a river, neck suffered impact stress in the following mouth of a river is little, can not produce recessive crackle.
3), replace pneumatic means with hydraulic means, the replacing process is more steady.So novel tundish mechanism automaticity height, it is few that the process time spent is changed at the mouth of a river, safety and reliability.
The present invention still has multiple concrete embodiment, and all employings are equal to replacement or equivalent transformation and all technical schemes of forming, all drop within the scope of protection of present invention.
Claims (5)
1. continuous casting tundish mechanism, comprise the mouth of a river (1) under filling pipe end (9), the immersion and be used for fixing the clamping device (8) at the mouth of a river up and down, it is characterized in that: described clamping device (8) is provided with spring (11), and described spring (11) is at 45 with casting axis (7) angle at the mouth of a river up and down.
2. continuous casting according to claim 1 tundish mechanism is characterized in that: seal by argon gas between the described clamping device (8) and the mouth of a river.
3. continuous casting according to claim 1 tundish mechanism, it is characterized in that: the supporting surface (5) of the mouth of a river under the described immersion (1) is obliquely installed, and is at 45 with casting axis (7) angle.
4. continuous casting according to claim 3 tundish mechanism, it is characterized in that: the mouth of a river under the described immersion (1) is provided with box hat (3), and the outer contour shape of the inclined support surface (5) at the mouth of a river (1) coincide under described box hat (3) and the immersion.
5. continuous casting according to claim 4 tundish mechanism is characterized in that: described box hat (3) and the mouth of a river are for being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010525499 CN101966581A (en) | 2010-10-29 | 2010-10-29 | Tundish mechanism for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010525499 CN101966581A (en) | 2010-10-29 | 2010-10-29 | Tundish mechanism for continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101966581A true CN101966581A (en) | 2011-02-09 |
Family
ID=43545837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010525499 Pending CN101966581A (en) | 2010-10-29 | 2010-10-29 | Tundish mechanism for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101966581A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325208C (en) * | 2003-01-20 | 2007-07-11 | 维苏维尤斯集团有限公司 | Casting tube, clamping device for a casting tube and casting machine |
-
2010
- 2010-10-29 CN CN 201010525499 patent/CN101966581A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325208C (en) * | 2003-01-20 | 2007-07-11 | 维苏维尤斯集团有限公司 | Casting tube, clamping device for a casting tube and casting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204556179U (en) | Ball valve air tightness test machine | |
| CN201848516U (en) | Tundish mechanism used for continuous casting | |
| CN102943789A (en) | Adjustable-pressure and adjustable-flow buffer hydraulic cylinder, control method and hydraulic system | |
| CN101966581A (en) | Tundish mechanism for continuous casting | |
| CN201287196Y (en) | Double-drive quick-exchange block continuous-casting tundish immersion nozzle | |
| CN207138846U (en) | A kind of monoblock type tundish immersed nozzle centralizer | |
| CN103215895A (en) | Novel uplink curve moving framework | |
| CN207194900U (en) | Shield machine thrust oil cylinder self-stabilization and adjusting apparatus | |
| CN106629540A (en) | Crown cap sealing machine with combination of manual operation and air operation | |
| CN206702179U (en) | Case lead plug flow control device before a kind of roll-casting of magnesium alloy machine | |
| CN104482235A (en) | Knife-shaped gate valve | |
| CN201020533Y (en) | Stopper type fixed diameter nozzle quick-changing casting device | |
| CN203991667U (en) | A kind of high line outlet blowback air device | |
| CN200995275Y (en) | Intermediate-shank sliding runner mechanism | |
| CN201979059U (en) | Argon blowing seal watering opening | |
| CN202597802U (en) | Lift check valve | |
| CN102312250A (en) | Aligning and clamping mechanism for anode guiding rod | |
| CN202070729U (en) | Tundish detachable flow control mechanism | |
| CN203715239U (en) | Bottle clamp lifting device in rotary filling machine | |
| CN205423859U (en) | Last sealing device of butterfly valve | |
| CN204052884U (en) | The eccentric brick cup of a kind of continuous casting production separately-loaded | |
| CN205342983U (en) | Modified axle sleeve ejecting device | |
| CN207013701U (en) | Cast aluminium abnormity clearance type pouring gate structure | |
| CN203091694U (en) | Improved continuous casting dummy bar | |
| CN201949680U (en) | Extraction device and fluid decelerating and anti-shock device therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110209 |