CN203956073U - Rare earth steel protection against oxidation pouring device - Google Patents
Rare earth steel protection against oxidation pouring device Download PDFInfo
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- CN203956073U CN203956073U CN201420393320.3U CN201420393320U CN203956073U CN 203956073 U CN203956073 U CN 203956073U CN 201420393320 U CN201420393320 U CN 201420393320U CN 203956073 U CN203956073 U CN 203956073U
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- protection against
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Abstract
The utility model discloses a kind of rare earth steel protection against oxidation pouring device, comprise the first tube frame, pipe frame, buckle, air inlet hydraulic quick coupler; End to end and the connection of described the first tube frame, described the first tube frame has exhaust hole in upper plane; The two ends of described pipe frame are connected on the lateral wall of described the first tube frame, and described pipe frame and described the first tube frame are connected; Described buckle is arranged on the outer wall of described pipe frame both sides, described buckle and be arranged on the use that is clasped on base plate; Described air inlet hydraulic quick coupler is arranged on the end outer wall of described pipe frame, and described air inlet hydraulic quick coupler and tube frame are connected.The utility model can guarantee that ladle bottom keeps the atmosphere of inert gas, and while preventing casting rare earth steel, the mouth of a river of ladle bottom occurs being oxidized the dross dead phenomenon of wadding a quilt with cotton because of ingress of air.
Description
Technical field
The utility model relates to a kind of continuous casting anti-oxidation equipment, specifically, relates to a kind of rare earth steel protection against oxidation pouring device.
Background technology
As shown in Figure 1, be the structure chart of steel ladle sliding water gap device in prior art.The structure of steel ladle sliding water gap device comprises hydraulic cylinder 11, filling pipe end 13, slide gate nozzle 14, the lower mouth of a river 15, and hydraulic cylinder 11 is fixed on base plate 12, and filling pipe end 13, slide gate nozzle 14, the lower mouth of a river 15 are positioned on ladle body 16.
By hydraulic cylinder 1, regulate the open degree of slide gate nozzle 4 to control the steel-passing amount of ladle in large ladle molten steel inflow; But due between filling pipe end 13 and slide gate nozzle 14, can not reach positive confinement between slide gate nozzle 14 and the lower mouth of a river 15, when casting the rare earth steel of very easily oxidation, airborne oxygen is easy to be combined with rare earth element by this gap form oxide, this oxide is constantly heaped dross, the steel-passing amount at the mouth of a river (filling pipe end 13, slide gate nozzle 14, the lower mouth of a river 15) is more and more less, finally cause the mouth of a river to be wadded a quilt with cotton extremely, disconnected production accident of watering occurs, cannot guarantee the direct casting of rare earth steel.
The rare earth steel that keeps direct casting production to have strong oxidizing property is the technical barrier that is difficult in the industry breakthrough always.Not oxidized in the time of effectively protecting ladle nozzle casting rare earth steel, the protective device of assurance continuous production, will produce rare earth steel to direct casting and play vital effect.
Utility model content
The technical problem that the utility model solves is to provide a kind of rare earth steel protection against oxidation pouring device, can effectively completely cut off slide gate nozzle structure periphery air, guarantees rare earth steel safety casting under atmosphere of inert gases.
Technical scheme is as follows:
A rare earth steel protection against oxidation pouring device, comprises the first tube frame, pipe frame, buckle, air inlet hydraulic quick coupler; End to end and the connection of described the first tube frame, described the first tube frame has exhaust hole in upper plane; The two ends of described pipe frame are connected on the lateral wall of described the first tube frame, and described pipe frame and described the first tube frame are connected; Described buckle is arranged on the outer wall of described pipe frame both sides, described buckle and be arranged on the use that is clasped on base plate; Described air inlet hydraulic quick coupler is arranged on the end outer wall of described pipe frame, and described air inlet hydraulic quick coupler and tube frame are connected.
Further: described the first tube frame be shaped as circular rings, vesica piscis, straight-flanked ring or special-shaped ring.
Further: described exhaust hole is opened at the lower plane of the first tube frame or sidewall.
Further: between described the first tube frame and described pipe frame, to be also provided with the second tube frame or the 3rd tube frame, described the second tube frame or described the 3rd tube frame are connected with described tube frame respectively, and described the second tube frame or described the 3rd tube frame have exhaust hole in upper plane.
Further: the profile of described the second tube frame or described the 3rd tube frame is arc.
Further: described the second tube frame or described the 3rd tube frame have exhaust hole at lower plane or sidewall.
Compared with prior art, technique effect of the present utility model comprises:
1, the utility model cost of manufacture low, construct simple and easy, be easy to fitting operation, mobility strong, can judge flexibly and select according to the actual composition of each heat steel grade of cast-in-place; On-the-spot applicability is strong, implementation result is obvious, can effectively completely cut off slide gate nozzle structure periphery air, guarantee rare earth steel safety casting under atmosphere of inert gases, with lower cost, solved a difficult problem in the industry for direct casting strong oxidizing property rare earth steel, do not need slide gate nozzle structure to carry out invest in the transformation of real estate, all applicable to traditional steel ladle sliding water gap structure.
When 2, the utility model is intended to conticaster to produce rare earth steel, carry out protective casting; can guarantee that ladle bottom keeps the atmosphere of inert gas; there is being oxidized the dross dead phenomenon of wadding a quilt with cotton because of ingress of air in the mouth of a river that prevents casting ladle bottom during rare earth steel; this device can be dismantled flexibly; according to the production schedule, apply at any time, thereby reach the object that guarantees that rare earth steel is cast continuously smoothly.
3, by using the utility model, rare earth steel is produced after casting continuously, the application of researching and developing industrial mass manufacture for rare earth steel production from laboratory provides advantage, for high standard performance requirement special steel application, has made remarkable contribution, has produced thus very considerable economic benefit.
Accompanying drawing explanation
Fig. 1 is the structure chart of steel ladle sliding water gap device in prior art;
Fig. 2 is the structure chart of the utility model middle rare earth steel protection against oxidation pouring device;
Fig. 3 is the use state diagram of the utility model middle rare earth steel protection against oxidation pouring device.
The specific embodiment
The utility model rare earth steel protective casting device is intended to ladle bottom to carry out inert gas shielding; to avoid molten steel and the airborne combination with oxygen containing rare earth composition; prevent rare earth oxide by the nozzle clogging dead problem of wadding a quilt with cotton, thereby reach the object that rare earth steel is produced in direct casting.
Below with reference to accompanying drawing and preferred embodiment, technical solutions of the utility model are elaborated.
As shown in Figure 2, be the structure chart of the utility model middle rare earth steel protection against oxidation pouring device.
The structure of rare earth steel protection against oxidation pouring device comprises the first tube frame 21, pipe frame 22, buckle 23, air inlet hydraulic quick coupler 24; End to end and the connection (being shaped as circular rings, vesica piscis, straight-flanked ring or special-shaped ring) of the first tube frame 21, the first tube frame 21 has exhaust hole 211 (certainly, also can begin to rehearse in positions such as the lower plane of the first tube frame 21, sidewalls vent hole 211) in upper plane; The two ends of pipe frame 22 are connected on the lateral wall of the first tube frame 21, and pipe frame 22 and the first tube frame 21 are connected; 4 buckles 23 arrange respectively (welding) on pipe frame 22 both sides outer walls, and buckle 23 and the buckle 23 being arranged on base plate 12 are used in conjunction with; Air inlet hydraulic quick coupler 24 arranges (welding) on the end outer wall of pipe frame 22, and air inlet hydraulic quick coupler 24 and tube frame 21 are connected.
In order to form better atmosphere of inert gases, between the first tube frame 21 and pipe frame 22, be also provided with the second tube frame 25 and/or the 3rd tube frame 26, the profile of the second tube frame 25 and the 3rd tube frame 26 is arc, and the second tube frame 25 and the 3rd tube frame 26 respectively with the first tube frames 21 are connected.The second tube frame 25 and the 3rd tube frame 26 have exhaust hole 211 in upper plane.Certainly, the second tube frame 25 and the 3rd tube frame 26 vent hole 211 that also can begin to rehearse in positions such as lower plane, sidewalls.
4 minutes steel pipes of material selection of the first tube frame 21, the second tube frame 25 and the 3rd tube frame 26.
As shown in Figure 3, be the use state diagram of the utility model middle rare earth steel protection against oxidation pouring device.
The using method of rare earth steel protection against oxidation pouring device is as follows:
Step 1: when ladle drops on after conticaster ladle arms, install the hydraulic cylinder 11 of slide gate nozzle 14, with managing the buckle 23 of frame 22 lateral walls and being arranged on the mutual fastening locking of buckle 23 on base plate 12, rare earth steel protection against oxidation pouring device is fixed on base plate 12;
Step 2: air inlet hydraulic quick coupler 24 is connected with inert gas main pipeline, passes into inert gas (argon gas) to pipe frame 22;
Tradition ladle bottom all has bag BOTTOM ARGON BLOWING function, therefore has ready-made argon gas main pipeline to connect, separately pipeline installation.
Step 3: inert gas sprays by exhaust hole 211, in slide gate nozzle 14 diffusion around, is covered with between filling pipe end 13 and slide gate nozzle 14, the space between slide gate nozzle 14 and the lower mouth of a river 15.
The slide gate nozzle 14 of ladle bottom is atmosphere of inert gases around, completely cut off air, avoid the combination of oxygen in rare earth element in molten steel and air to produce rare earth oxide, and avoided the nozzle clogging dead accident of wadding a quilt with cotton, effectively guaranteed the continuity of rare earth steel casting.
Case study on implementation 1
Continuous casting working procedure is used this protective device to carry out direct casting to the molten steel that contains rare earth composition lanthanum; avoid occurring that steel ladle sliding water gap produces the rare earth oxide dead phenomenon of wadding a quilt with cotton; guarantee continuous production; realized with watering time 6 stove steel and connected and water smoothly; make long water time to produce there is strong oxidizing property rare earth steel and become normalization, solved a difficult problem in the industry for direct casting strong oxidizing property rare earth steel.
Case study on implementation 2:
Continuous casting working procedure, by using after this protective device, has effectively reduced the generation that molten steel middle rare earth is mingled with, and has guaranteed research and development properties of product and quality, to research and development high standard, property rare earth steel product, provides advantage.
Claims (6)
1. a rare earth steel protection against oxidation pouring device, is characterized in that: comprise the first tube frame, pipe frame, buckle, air inlet hydraulic quick coupler; End to end and the connection of described the first tube frame, described the first tube frame has exhaust hole in upper plane; The two ends of described pipe frame are connected on the lateral wall of described the first tube frame, and described pipe frame and described the first tube frame are connected; Described buckle is arranged on the outer wall of described pipe frame both sides, described buckle and be arranged on the use that is clasped on base plate; Described air inlet hydraulic quick coupler is arranged on the end outer wall of described pipe frame, and described air inlet hydraulic quick coupler and tube frame are connected.
2. rare earth steel protection against oxidation pouring device as claimed in claim 1, is characterized in that: described the first tube frame be shaped as circular rings, vesica piscis, straight-flanked ring or special-shaped ring.
3. rare earth steel protection against oxidation pouring device as claimed in claim 1, is characterized in that: described exhaust hole is opened at the lower plane of the first tube frame or sidewall.
4. rare earth steel protection against oxidation pouring device as claimed in claim 1; it is characterized in that: between described the first tube frame and described pipe frame, be also provided with the second tube frame or the 3rd tube frame; described the second tube frame or described the 3rd tube frame are connected with described tube frame respectively, and described the second tube frame or described the 3rd tube frame have exhaust hole in upper plane.
5. rare earth steel protection against oxidation pouring device as claimed in claim 4, is characterized in that: the profile of described the second tube frame or described the 3rd tube frame is arc.
6. rare earth steel protection against oxidation pouring device as described in claim 4 or 5, is characterized in that: described the second tube frame or described the 3rd tube frame have exhaust hole at lower plane or sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393320.3U CN203956073U (en) | 2014-07-16 | 2014-07-16 | Rare earth steel protection against oxidation pouring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393320.3U CN203956073U (en) | 2014-07-16 | 2014-07-16 | Rare earth steel protection against oxidation pouring device |
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| CN203956073U true CN203956073U (en) | 2014-11-26 |
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| CN201420393320.3U Active CN203956073U (en) | 2014-07-16 | 2014-07-16 | Rare earth steel protection against oxidation pouring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107906A (en) * | 2014-07-16 | 2014-10-22 | 内蒙古包钢钢联股份有限公司 | Rare earth steel anti-oxidation protecting pouring device and using method thereof |
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2014
- 2014-07-16 CN CN201420393320.3U patent/CN203956073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107906A (en) * | 2014-07-16 | 2014-10-22 | 内蒙古包钢钢联股份有限公司 | Rare earth steel anti-oxidation protecting pouring device and using method thereof |
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