CN104017948B - A kind of coupling device of steel ladle bottom argon blowing and method thereof - Google Patents
A kind of coupling device of steel ladle bottom argon blowing and method thereof Download PDFInfo
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- CN104017948B CN104017948B CN201410226710.6A CN201410226710A CN104017948B CN 104017948 B CN104017948 B CN 104017948B CN 201410226710 A CN201410226710 A CN 201410226710A CN 104017948 B CN104017948 B CN 104017948B
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- ladle
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- union joint
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Abstract
The present invention relates to a kind of coupling device and method thereof of steel ladle bottom argon blowing, the ear seat of ladle is provided with two through holes two, two cover Argon coupling device and is fixedly installed on the ladle seat of buggy ladle; In the pipeline often overlapping independently Argon coupling device, the upper surface of argon gas coupling device is provided with O-ring seals one, when ladle declines, its ear seat is sitting on Argon coupling device, and the through hole two on ear seat is sealedly connected, with isolate from outer air with ladle seat by O-ring seals one, Argon coupling device is communicated with the through hole two on ear seat simultaneously, the other end of ear block hole two is fixedly connected with pipeline one, and pipeline one is finally connected with the argon blowing hole of ladle, is sent into by argon gas in the molten steel in ladle.The flexible pipe of lower union joint lower end is communicated with pipeline one, and is sealed by O-ring seals two, and the final and argon gas source of pipeline two is connected; By two seals, the Argon pipeline of Argon coupling device and ladle is made to form the pipeline sealed, without any leakage.
Description
Technical field
The present invention relates to molten steel furnace outer refining technology field, particularly a kind of coupling device from steel ladle bottom argon blowing and method thereof are carried out to the molten steel in ladle.
Background technology
At present, in known steel ladle bottom argon blowing device, be generally arranged in the side of ladle, adopt upper and lower male and female connecting joint, adopt spring as buffering and position compensation simultaneously.This Argon coupling device structure is comparatively complicated, in order to meet centering requirement, needs to join weldering in erecting stage.And when ladle falls, because the shaking volume of ladle is comparatively large, coupling device of easily damaging.
Summary of the invention
The object of this invention is to provide a kind of coupling device and method thereof of BOTTOM ARGON BLOWING, by utilizing the protection of ladle ear seat, thereunder Argon coupling device being installed, coupling device can be avoided when Argon to be subject to the destruction of molten steel splashing.Coupling device does not need strict centering in addition, can in manufactory's installation.Reduce construction volume at the scene.Improve the reliability of Argon.
The technical solution adopted for the present invention to solve the technical problems is: a kind of steel ladle bottom argon blowing coupling device, it is characterized in that: it overlaps independently Argon coupling device by two and forms, wherein, often overlap Argon coupling device and at least comprise upper binding head and lower union joint, there is annular projection one described outer, upper binding head upper end, there is annular projection two outer, lower end, described lower union joint is T-shape, between upper binding head and lower union joint, be provided with O-ring seals two, and be fixedly connected with by bolt group two; Upper binding head is arranged on the below of the ear seat of ladle, is provided with O-ring seals one between upper binding head and ear seat, forms cavity two between annular projection one and ear seat, forms cavity one between annular projection two and lower union joint; Have through hole one at the center of upper binding head and lower union joint, through hole one one end is communicated with pipeline two by the flexible pipe of lower union joint lower end, and the other end is communicated with pipeline one by the through hole two on ear seat; In the bottom of the cavity two of upper binding head, circumferentially outer is evenly distributed with 4 ~ 12 purge holes, and purge hole is communicated with cavity one, distributes in umbrella; Upper binding head and lower union joint are installed in the open holes of retaining plate, retaining plate is fixedly connected with ladle seat below by bolt group one, lower union joint vertical portion, through the open holes of ladle seat, has gap between the sidewall of the open holes sidewall of retaining plate and upper binding head, lower union joint.
Described O-ring seals one is arranged in the annular recesses of annular projection one end face, and described O-ring seals two is arranged in the annular recesses of annular projection biend.
Gap between the sidewall of the open holes sidewall of described retaining plate and upper binding head, lower union joint is 5 ~ 10mm.
A method of attachment for steel ladle bottom argon blowing, is characterized in that: on the ear seat of ladle, be provided with two through holes two, two cover Argon coupling device be fixedly installed on the ladle seat of buggy ladle, two through holes two are communicated with a set of Argon coupling device respectively, in the pipeline often overlapping independently Argon coupling device, the upper surface of argon gas coupling device is provided with O-ring seals one, when ladle declines, its ear seat is sitting on Argon coupling device, through hole two on ear seat is sealedly connected with ladle seat by O-ring seals one, with isolate from outer air, Argon coupling device is communicated with the through hole two on ear seat simultaneously, the other end of ear block hole two is fixedly connected with pipeline one, pipeline one is finally connected with the argon blowing hole of ladle, argon gas is sent in the molten steel in ladle, the flexible pipe of lower union joint lower end is communicated with pipeline one, and sealed by O-ring seals two, final and the argon gas source of pipeline two is connected, by two seals, the Argon pipeline of Argon coupling device and ladle is made to form the pipeline sealed.
The invention has the beneficial effects as follows, the steel plate of buggy ladle carrying ladle is installed the coupling device of BOTTOM ARGON BLOWING, and the upper surface of coupling device installs O-ring seals, and lower surface is connected with argon inlet pipeline; Perforate on retaining plate in the middle part of ladle, and be connected with ladle bottom argon blowing hole by pipeline, when on the ladle seat that ladle drops on buggy ladle, seal with O ring is under the weight extruding of ladle, the coupling device of BOTTOM ARGON BLOWING and the Argon pipeline of ladle form the pipeline sealed, without any leakage.The present invention utilizes the protection of ladle ear seat, thereunder installs Argon coupling device, and coupling device can be avoided when Argon to be subject to the destruction of molten steel splashing.Coupling device does not need strict centering in addition, can in manufactory's installation.Reduce construction volume at the scene.Improve the reliability of Argon.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is layout drawing of the present invention;
Fig. 2 is the schematic diagram of Argon coupling device of the present invention;
In figure: 1, buggy ladle; 2, ear seat; 3, pipeline one; 4, ladle; 5, Argon coupling device; 6, flexible pipe; 7, pipeline two; 8, retaining plate; 9, bolt group one; 10, bolt group two; 11, O-ring seals one; 12, upper binding head; 13, O-ring seals two; 14, through hole one; 15, purge hole; 16, cavity one; 17, ladle seat; 18, lower union joint; 19, cavity two; 20, through hole two; 21, annular projection one; 22, annular projection two.
Embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of steel ladle bottom argon blowing coupling device, it overlaps independently Argon coupling device 5 by two and forms, wherein, often overlap Argon coupling device 5 and at least comprise upper binding head 12 and lower union joint 18, there is annular projection 1 described outer, upper binding head 12 upper end, there is annular projection 2 22 outer, lower end, described lower union joint 18 is T-shape, is provided with O-ring seals 2 13, and is fixedly connected with by bolt group 2 10 between upper binding head 12 and lower union joint 18; Upper binding head 12 is arranged on the below of the ear seat 2 of ladle 4, is provided with O-ring seals 1 between upper binding head 12 and ear seat 2, forms cavity 2 19 between annular projection 1 and ear seat 2, forms cavity 1 between annular projection 2 22 and lower union joint 18; Have through hole 1 at the center of upper binding head 12 and lower union joint 18, through hole 1 one end is communicated with pipeline 27 by the flexible pipe 6 of lower union joint 18 lower end, and the other end is communicated with pipeline 1 by the through hole 2 20 on ear seat 2; In the bottom of the cavity 2 19 of upper binding head 12, circumferentially outer is evenly distributed with 4 ~ 12 purge holes 15, and purge hole 15 is communicated with cavity 1, distributes in umbrella; Upper binding head 12 and lower union joint 18 are installed in the open holes of retaining plate 8, retaining plate 8 is fixedly connected with ladle seat 17 below by bolt group 1, lower union joint 18 vertical portion, through the open holes of ladle seat 17, has gap between the sidewall of the open holes sidewall of retaining plate 8 and upper binding head 12, lower union joint 18.
A method of attachment for steel ladle bottom argon blowing, the ear seat 2 of ladle 4 is provided with two through holes 2 20, two cover Argon coupling device 5 and is fixedly installed on the ladle seat 17 of buggy ladle, two through holes two are communicated with a set of Argon coupling device 5 respectively; In the pipeline often overlapping independently Argon coupling device 5, the upper surface of argon gas coupling device 5 is provided with O-ring seals 1, when ladle 4 declines, its ear seat 2 is sitting on Argon coupling device 5, through hole 2 20 on ear seat 2 is sealedly connected with ladle seat 17 by O-ring seals 1, with isolate from outer air, Argon coupling device 5 is communicated with the through hole 2 20 on ear seat 2 simultaneously, the other end of ear seat 2 through hole 2 20 is fixedly connected with pipeline 1, pipeline 1 is finally connected with the argon blowing hole of ladle 4, is sent into by argon gas in the molten steel in ladle.The flexible pipe 6 of lower union joint 18 lower end is communicated with pipeline 1, and is sealed by O-ring seals 2 13, and the final and argon gas source of pipeline 27 is connected; By two seals, Argon coupling device 5 is made to form the pipeline sealed, without any leakage with the Argon pipeline of ladle.Arranging under ear seat and often overlap independently Argon coupling device 5 advantage and be: can avoiding when lifting by crane ladle owing to rocking the damage to argon-blowing device, simultaneously when occurring overflowing steel and bleed-out, damage can not be caused to argon-blowing device.
Embodiment 2
On the basis of embodiment 1, described O-ring seals 1 is arranged in the annular recesses of annular projection 1 end face, and described O-ring seals 2 13 is arranged in the annular recesses of annular projection 2 22 end face; Gap between the sidewall of the open holes sidewall of described retaining plate 8 and upper binding head 12, lower union joint 18 is 5 ~ 10mm.
When dropping on the upper surface of upper binding head when the ear seat 2 of ladle 4, O-ring seals 1 is compacted, the cavity 2 19 of sealing is formed between the ear seat 2 of ladle 4 and upper binding head, around cavity 2 19, uniform 4 ~ 12 purge holes 15, ladle 4 mention leave Argon coupling device 5 time, from purge hole 15 blowout gas can by the dust stratification on surface and impurities purging clean.The ear seat 2 of ladle 4 also has through hole 2 20 with the place of through hole 1 centering of upper binding head 12, one end and the upper binding head 12 of through hole 2 20 are tightly connected, the other end is fixedly connected with pipeline 1, is finally connected with the argon blowing hole of ladle 4, is sent in the molten steel of ladle by argon gas.Lower union joint 18 is connected with flexible pipe 6, utilizes the change in location of the flexibility of flexible pipe to Argon coupling device 5 to compensate.Upper binding head 12 and lower union joint 18 are installed in the open holes of retaining plate 8, retaining plate 8 has the gap of 5 ~ 10mm with upper binding head 12 and lower union joint 18, that reduces Argon coupling device 5 crosses location, can increase the reliability of Argon coupling device 5, extend its life-span simultaneously.The coupling device of steel ladle bottom argon blowing of the present invention utilizes ear seat to protect, and structure is simple, and position is obvious, changes and keep in repair safer.When adopting two-way Argon to ensure to break down in a road, Argon can be continued in an other road, can not have any impact to whole steelmaking process.
The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (3)
1. a steel ladle bottom argon blowing coupling device, it is characterized in that: it overlaps independently Argon coupling device (5) by two and forms, wherein, often overlap Argon coupling device (5) and at least comprise upper binding head (12) and lower union joint (18), there is annular projection one (21) described upper binding head (12) outer, upper end, there is annular projection two (22) outer, lower end, described lower union joint (18) is T-shape, between upper binding head (12) and lower union joint (18), be provided with O-ring seals two (13), and be fixedly connected with by bolt group two (10); Upper binding head (12) is arranged on the below of the ear seat (2) of ladle (4), O-ring seals one (11) is provided with between upper binding head (12) and ear seat (2), form cavity two (19) between annular projection one (21) and ear seat (2), between annular projection two (22) and lower union joint (18), form cavity one (16); Through hole one (14) is had at the center of upper binding head (12) and lower union joint (18), through hole one (14) one end is communicated with pipeline two (7) by the flexible pipe (6) of lower union joint (18) lower end, and the other end is communicated with pipeline one (3) by the through hole two (20) on ear seat (2); In the bottom of the cavity two (19) of upper binding head (12), circumferentially outer is evenly distributed with 4 ~ 12 purge holes (15), and purge hole (15) is communicated with cavity one (16), distributes in umbrella; Upper binding head (12) and lower union joint (18) are installed in the open holes of retaining plate (8), retaining plate (8) is fixedly connected with ladle seat (17) below by bolt group one (9), lower union joint (18) vertical portion, through the open holes of ladle seat (17), has gap between the sidewall of the open holes sidewall of retaining plate (8) and upper binding head (12), lower union joint (18).
2. steel ladle bottom argon blowing coupling device according to claim 1, it is characterized in that: described O-ring seals one (11) is arranged in the annular recesses of annular projection one (21) end face, described O-ring seals two (13) is arranged in the annular recesses of annular projection two (22) end face.
3. steel ladle bottom argon blowing coupling device according to claim 1, is characterized in that: the gap between the sidewall of the open holes sidewall of described retaining plate (8) and upper binding head (12), lower union joint (18) is 5 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226710.6A CN104017948B (en) | 2014-05-27 | 2014-05-27 | A kind of coupling device of steel ladle bottom argon blowing and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226710.6A CN104017948B (en) | 2014-05-27 | 2014-05-27 | A kind of coupling device of steel ladle bottom argon blowing and method thereof |
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| Publication Number | Publication Date |
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| CN104017948A CN104017948A (en) | 2014-09-03 |
| CN104017948B true CN104017948B (en) | 2015-12-16 |
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| CN201410226710.6A Active CN104017948B (en) | 2014-05-27 | 2014-05-27 | A kind of coupling device of steel ladle bottom argon blowing and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109304459A (en) * | 2018-12-13 | 2019-02-05 | 山东钢铁股份有限公司 | A kind of Argon docking mechanism and ladle trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201603871U (en) * | 2010-03-29 | 2010-10-13 | 赵继华 | Automatic connecting device for steel ladle bottom blowing argon |
| CN201722405U (en) * | 2010-05-28 | 2011-01-26 | 天津钢铁集团有限公司 | Joint structure of argon blowing at ladle bottom |
| CN202007249U (en) * | 2011-01-25 | 2011-10-12 | 吉林建龙钢铁有限责任公司 | Self-centering connector for argon blowing device |
| CN203923265U (en) * | 2014-05-27 | 2014-11-05 | 中国重型机械研究院股份公司 | A kind of coupling device of steel ladle bottom argon blowing |
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