CN104017948A - Connecting device and method for ladle bottom argon blowing - Google Patents
Connecting device and method for ladle bottom argon blowing Download PDFInfo
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- CN104017948A CN104017948A CN201410226710.6A CN201410226710A CN104017948A CN 104017948 A CN104017948 A CN 104017948A CN 201410226710 A CN201410226710 A CN 201410226710A CN 104017948 A CN104017948 A CN 104017948A
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- ladle
- argon
- pipeline
- coupling device
- union joint
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Abstract
The invention relates to a connecting device and method for ladle bottom argon blowing. Two through holes 2 are arranged on the lug of the ladle, two sets of argon blowing connecting devices are fixedly mounted to a ladle seat of a buggy ladle; in the pipeline of each independent argon blowing connecting device, the upper surface of an argon connecting device is equipped with an O-shaped sealing ring 1; when ladle drops, the lug sits on the argon blowing connecting devices, and the O-shaped sealing ring 1 connects the through holes 2 on the lug with the ladle seat sealing to isolate from the outside air; and the argon blowing devices are communicated with through holes 2 on the lug; the other ends of the through holes 2 are fixedly connected with a pipeline 1; and the pipeline 1 is connected with an argon blowing mouth of the ladle to send argon into the molten steel in the ladle. A hose at the lower end of a lower connecting head is communicated with the pipeline 1, and is sealed through an O-shaped sealing ring 2; a pipeline 2 is finally connected with an argon source; and through two sealing, the argon blowing connecting device and the argon blowing pipelines of the ladle to form a sealed pipeline without leakage.
Description
Technical field
The present invention relates to molten steel furnace outer refining technology field, particularly a kind of molten steel in ladle is carried out to coupling device and the method thereof from steel ladle bottom argon blowing.
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, need to join weldering in erecting stage.And in the time that ladle falls, because the rolling momentum of ladle is larger, the 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, Argon coupling device has thereunder been installed, can avoid coupling device in the time of Argon, to be subject to the destruction that molten steel splashes.Coupling device does not need strict centering in addition, can be 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, every cover Argon coupling device at least comprises 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, between upper binding head and ear seat, is provided with O-ring seals one, between annular projection one and ear seat, forms cavity two, 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; Bottom at the cavity two of upper binding head is evenly distributed with 4 ~ 12 purge holes along circumference outer, purge hole is communicated with cavity one, is umbrella and distributes; 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 is through the open holes of ladle seat, gapped 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 devices and be fixedly installed on the ladle seat of buggy ladle, two through holes two are communicated with a set of Argon coupling device respectively, at every cover independently in the pipeline of Argon coupling device, the upper surface of argon gas coupling device is provided with O-ring seals one, in the time that ladle declines, its ear seat is sitting on Argon coupling device, O-ring seals one is sealedly connected the through hole on ear seat two and ladle seat, 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 seal by O-ring seals two, pipeline two final with argon gas source connection, by two seals, make the Argon pipeline of Argon coupling device and ladle form the pipeline of sealing.
The invention has the beneficial effects as follows, the coupling device of BOTTOM ARGON BLOWING is installed on the steel plate of buggy ladle carrying ladle, and the upper surface of coupling device is installed O-ring seals, and lower surface is connected with argon inlet pipeline; Perforate on the retaining plate at ladle middle part, and be connected with ladle bottom argon blowing hole by pipeline, in the time that ladle drops on the ladle seat of buggy ladle, seal with O ring is under the weight extruding of ladle, the Argon pipeline of the coupling device of BOTTOM ARGON BLOWING and ladle forms the pipeline of sealing, without any leakage.The present invention utilizes the protection of ladle ear seat, and Argon coupling device is thereunder installed, and can avoid coupling device in the time of Argon, to be subject to the destruction that molten steel splashes.Coupling device does not need strict centering in addition, can be in manufactory's installation.Reduce construction volume at the scene.Improve the reliability of Argon.
Brief description of the drawings
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, every cover Argon coupling device 5 at least comprises upper binding head 12 and lower union joint 18, and there is annular projection 1 described upper binding head 12 outers, 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, between upper binding head 12 and ear seat 2, is provided with O-ring seals 1, between annular projection 1 and ear seat 2, forms cavity 2 19, between annular projection 2 22 and lower union joint 18, forms cavity 1; Have through hole 1 at upper binding head 12 and lower union joint 18 center, through hole one 14 one end are communicated with pipeline 27 by the flexible pipe 6 of lower union joint 18 lower ends, and the other end is communicated with pipeline 1 by the through hole 2 20 on ear seat 2; Bottom at the cavity 2 19 of upper binding head 12 is evenly distributed with 4 ~ 12 purge holes 15 along circumference outer, purge hole 15 is communicated with cavity 1, is umbrella and distributes; Upper binding head 12 is installed in the open holes of retaining plate 8 with lower union joint 18, retaining plate 8 is fixedly connected with ladle seat 17 below by bolt group 1, lower union joint 18 vertical portions are through the open holes of ladle seat 17, gapped 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 is provided with two through holes, 2 20, two cover Argon coupling devices 5 and is fixedly installed on the ladle seat 17 of buggy ladle on the ear seat 2 of ladle 4, and two through holes two are communicated with a set of Argon coupling device 5 respectively; At every cover independently in the pipeline of Argon coupling device 5, the upper surface of argon gas coupling device 5 is provided with O-ring seals 1, in the time that ladle 4 declines, its ear seat 2 is sitting on Argon coupling device 5, O-ring seals 1 is sealedly connected the through hole on ear seat 22 20 and ladle seat 17, 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 holes 2 20 is fixedly connected with pipeline 1, pipeline 1 is finally connected with the argon blowing hole of ladle 4, and argon gas is sent in the molten steel in ladle.The flexible pipe 6 of lower union joint 18 lower ends is communicated with pipeline 1, and by O-ring seals 2 13 sealing, pipeline 27 final with argon gas source connection; By two seals, make Argon coupling device 5 and the Argon pipeline of ladle form the pipeline sealing, without any leakage.Under ear seat, arrange every cover independently Argon coupling device 5 advantages be: can avoid lifting when ladle due to the damage of rocking argon-blowing device, in the time occurring overflowing steel and bleed-out, can not cause damage to argon-blowing device simultaneously.
Embodiment 2
On the basis of embodiment 1, described O-ring seals 1 is arranged in the annular recesses of annular projection one 21 end faces, and described O-ring seals 2 13 is arranged in the annular recesses of annular projection 2 22 end faces; 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.
In the time that the ear seat 2 of ladle 4 drops on the upper surface of upper binding head, O-ring seals 1 is compacted, between the ear seat 2 of ladle 4 and upper binding head, form the cavity 2 19 of sealing, around cavity 2 19, uniform 4 ~ 12 purge holes 15, mention while leaving Argon coupling device 5 at ladle 4, the gas blowing out from purge hole 15 can be by clean to surperficial dust stratification and impurities purging.The ear seat 2 of ladle 4 also has through hole 2 20 with the place of through hole one 14 centerings of upper binding head 12, one end of through hole 2 20 and upper binding head 12 are tightly connected, the other end is fixedly connected with pipeline 1, is finally connected with the argon blowing hole of ladle 4, argon gas is sent in the molten steel of ladle.Lower union joint 18 is connected with flexible pipe 6, utilizes the flexibility of flexible pipe to compensate the change in location of Argon coupling device 5.Upper binding head 12 and lower union joint 18 are installed in the open holes of retaining plate 8, retaining plate 8 and upper binding head 12 and lower union joint 18 have the gap of 5 ~ 10mm, reduce the location of crossing of Argon coupling device 5, 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 simple in structure, position is obvious, changes and keep in repair safer.While 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 well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (4)
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, every cover Argon coupling device (5) at least comprises 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), between upper binding head (12) and ear seat (2), be provided with O-ring seals one (11), between annular projection one (21) and ear seat (2), form cavity two (19), between annular projection two (22) and lower union joint (18), form cavity one (16); Center at upper binding head (12) and lower union joint (18) has through hole one (14), 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); Bottom at the cavity two (19) of upper binding head (12) is evenly distributed with 4 ~ 12 purge holes (15) along circumference outer, purge hole (15) is communicated with cavity one (16), is umbrella and distributes; Upper binding head (12) is installed in the open holes of retaining plate (8) with lower union joint (18), retaining plate (8) is fixedly connected with ladle seat (17) below by bolt group one (9), lower union joint (18) vertical portion is through the open holes of ladle seat (17), gapped 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 faces.
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.
4. 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 devices and be fixedly installed on the ladle seat of buggy ladle, two through holes two are communicated with a set of Argon coupling device respectively, at every cover independently in the pipeline of Argon coupling device, the upper surface of argon gas coupling device is provided with O-ring seals one, in the time that ladle declines, its ear seat is sitting on Argon coupling device, O-ring seals one is sealedly connected the through hole on ear seat two and ladle seat, 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 seal by O-ring seals two, pipeline two final with argon gas source connection, by two seals, make the Argon pipeline of Argon coupling device and ladle form the pipeline of sealing.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104017948A true CN104017948A (en) | 2014-09-03 |
| CN104017948B CN104017948B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-05-27 CN CN201410226710.6A patent/CN104017948B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN104017948B (en) | 2015-12-16 |
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