CN111336342A - Automatic argon blowing joint - Google Patents
Automatic argon blowing joint Download PDFInfo
- Publication number
- CN111336342A CN111336342A CN202010233443.0A CN202010233443A CN111336342A CN 111336342 A CN111336342 A CN 111336342A CN 202010233443 A CN202010233443 A CN 202010233443A CN 111336342 A CN111336342 A CN 111336342A
- Authority
- CN
- China
- Prior art keywords
- channel
- joint
- butt
- argon
- argon blowing
- 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.)
- Granted
Links
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 58
- 238000007664 blowing Methods 0.000 title claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 239000002893 slag Substances 0.000 abstract description 8
- 239000004576 sand Substances 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
Abstract
The invention provides an automatic argon blowing joint which can solve the technical problems that after the existing argon blowing joint is separated, steel slag and sand easily enter a lower joint, so that a lower argon channel is blocked or the gas output is small. Automatic argon blowing connects, connects its characterized in that including upper portion joint, sealing washer and lower part: still include dust cover and connecting seat, the argon gas passageway includes that top-down connects and the first butt joint passageway that the aperture reduces in proper order down, the connecting channel, second butt joint passageway and direction passageway, install the connecting seat in the connecting channel, the connecting seat is equipped with the screw hole coaxial with the connecting channel, and be the intercommunicating pore of annular distribution around the screw hole, the dust cover includes the main part of disc and the columnar body that forms from the central part downwardly extending of main part, the main part is located first butt joint passageway and covers each intercommunicating pore, the lower extreme position and the screw hole of columnar body are connected, the lower part of main part, the upper portion of connecting channel is equipped with the chamfer face that is parallel to.
Description
Technical Field
The invention relates to the field of auxiliary equipment in a steelmaking production process, in particular to an automatic argon blowing joint.
Background
The molten steel is required to be blown with argon to stir the molten steel in the process of transferring the molten steel under the furnace, generally, argon blowing devices are arranged on the transfer equipment under the furnace, such as a molten steel tank car and a ladle turret, when the molten steel tank falls into the tank, an argon pipeline of the molten steel tank is required to be in butt joint with the argon blowing device on the transfer equipment, most of the conventional butt joint operations are manually and directly in butt joint through a quick-change connector, and the heat dissipation of the molten steel in the transfer process can cause the precipitation of sulfur and phosphorus in the molten steel, so that the molten steel and steel slag splash, the safety of operators is endangered, and personal injury accidents are easily caused; the conventional automatic butt joint device for argon blowing pipelines refers to an invention patent with the name of a flat-plate type argon blowing joint and the patent number of 201410191993.5, wherein an upper joint (namely the upper part of the argon blowing joint) is arranged downwards, a lower joint (namely the lower part of the argon blowing joint) is arranged upwards, and after the upper joint and the lower joint are separated, steel slag and sand easily enter the lower joint, so that a lower argon channel is blocked or the gas output is small.
Disclosure of Invention
The invention provides an automatic argon blowing joint which can solve the technical problems that after the existing argon blowing joint is separated, steel slag and sand easily enter a lower joint, so that a lower argon channel is blocked or the gas output is small.
Its technical scheme is such, and automatic argon blowing connects, connects including upper portion, sealing washer and lower part, upper portion connects and is equipped with the last argon gas passageway that top-down run through, the lower part connects and includes fixing base, connects body and elastic component, lay the joint body in the fixing base, the joint body is equipped with the lower argon gas passageway that top-down run through, go up the argon gas passageway with the argon gas passageway is coaxial to be set up down, connect the body top to be equipped with around the annular groove that the argon gas passageway set up, installation sealing washer in the annular groove, elastic component be used for with connect the body elasticity top mounting that makes progress for the sealing washer with the sealed laminating of diapire that upper portion connects, its characterized in that:
the automatic argon blowing joint further comprises a dust cover and a connecting seat, the lower argon channel comprises a first butt channel, a connecting channel, a second butt channel and a guide channel which are connected from top to bottom and the aperture of the first butt channel, the connecting channel, the second butt channel and the guide channel is sequentially reduced, the aperture of the first butt channel, the aperture of the connecting channel and the aperture of the second butt channel are larger than the aperture of the upper argon channel, the connecting seat is installed in the connecting channel, the connecting seat is provided with a threaded hole coaxial with the connecting channel and communication holes annularly distributed around the threaded hole, the communication holes are communicated with the first butt channel and the second butt channel, the dust cover comprises a disc-shaped main body and a columnar body formed by downwards extending from the central part of the main body, the main body is positioned in the first butt channel, the main body and the first butt channel are coaxially arranged, the lower end part of the columnar body is connected with the threaded hole, and the lower part of the main body and the upper part of the connecting channel are respectively provided with a chamfer surface which is parallel to each other.
Furthermore, the lower part of the second butt joint channel is provided with a chamfer surface, and the first butt joint channel is a tapered channel which is gradually reduced from top to bottom.
Further, the fixing base is equipped with the pilot hole, the upper end of pilot hole is equipped with the interior location conical surface of convergent from bottom to top, the upper end of the joint body be equipped with interior location conical surface complex outer location conical surface of location.
Furthermore, the elastic component comprises a group of belleville springs, and the group of belleville springs is sleeved on the lower portion of the connector body and is abutted against the step surface.
Further, one side that upper portion connects and hot metal bottle laminating is equipped with the annular groove that sets up around last argon gas passageway and the sharp groove that communicates with the annular groove, the sharp groove is equipped with four and is the cross and distributes.
According to the automatic argon blowing joint, the dust cover is arranged at the outlet of the lower argon channel of the lower joint through the connecting seat, the main body of the dust cover covers each communicating hole of the connecting seat, and steel slag and sand fall on the main body of the dust cover and the connecting seat, so that the steel slag and the sand are prevented from entering the lower argon channel; the lower part of the main body and the upper part of the connecting channel are respectively provided with mutually parallel chamfer surfaces, a channel inclined to the outside is formed between the mutually parallel chamfer surfaces, and after the lower joint is ventilated, steel slag and sand falling on the connecting seat are obliquely discharged to the outside under the action of airflow, so that the steel slag and the sand are further prevented from entering the argon channel.
Drawings
Fig. 1 is a schematic structural view of an automatic argon blowing joint of the present invention.
Fig. 2 is a schematic structural view of the dust cover of the present invention.
Fig. 3 is a schematic structural view of the joint body of the present invention.
Fig. 4 is a schematic structural diagram of the connecting seat of the present invention.
Fig. 5 is a schematic view of the structure of the upper joint of the present invention.
Detailed Description
As shown in fig. 1 to 5, the automatic argon blowing joint comprises an upper joint 1, a sealing ring 3 and a lower joint, wherein the upper joint 1 is provided with an upper argon gas channel 11 which penetrates from top to bottom, the lower joint comprises a fixed seat 4, a joint body 3 and an elastic component, the fixed seat is provided with an assembly hole, the upper end of the assembly hole is provided with an inner positioning conical surface which is gradually reduced from bottom to top, the upper part 31 of the joint body is arranged in the assembly hole and is provided with an outer positioning conical surface which is matched with the inner positioning conical surface, the joint body 3 is provided with a lower argon gas channel which penetrates from top to bottom, the upper argon gas channel 11 and the lower argon gas channel are coaxially arranged, the top end of the joint body 3 is provided with,
the elastic component comprises a group of belleville springs 5, the group of belleville springs 5 is sleeved on the lower portion 32 of the connector body and abuts against the step surface, and the elastic component is used for elastically jacking the connector body 3 upwards so that the sealing ring 3 is in sealing fit with the bottom wall of the upper connector 1;
the automatic argon blowing joint further comprises a dust cover 6 and a connecting seat 7, wherein the lower argon channel comprises a first butt channel 331, a connecting channel 332, a second butt channel 333 and a guide channel 334 which are connected from top to bottom and have sequentially reduced apertures, the apertures of the first butt channel 331, the connecting channel 332 and the second butt channel 333 are larger than the aperture of the upper argon channel 11, the first butt channel 331 is a tapered channel which is tapered from top to bottom, the connecting seat 7 is installed in the connecting channel 332, the connecting seat 7 is provided with a threaded hole 72 which is coaxial with the connecting channel 332 and communication holes 72 which are annularly distributed around the threaded hole 72, the communication holes 72 are communicated with the first butt channel 331 and the second butt channel 333, the dust cover 6 comprises a disc-shaped main body 61 and a column-shaped body 62 which is formed by extending downwards from the central part of the main body 61, and the joint part of the column-shaped body, the main body 61 is positioned in the first butt channel 331 and is arranged at intervals with the openings of the upper end and the lower end of the first butt channel 331, the main body 61 and the first butt channel 331 are coaxially arranged, the vertical projection of the main body covers each communicating hole 72, and the lower end thread part 621 of the column-shaped body 62 is connected with the threaded hole 72 and limited by the step surface 622; the lower part of the main body, the upper part of the connecting channel and the lower part of the second butt channel are respectively provided with a first chamfer surface 611, a second chamfer surface 3321 and a third chamfer surface 3331 which are parallel to each other, and an outward inclined channel is formed between the first chamfer surface 611 and the second chamfer surface 3321.
One side that upper portion connects 1 and hot metal bottle laminating is equipped with annular groove 12 and the straight line groove 13 with the annular groove intercommunication that sets up around last argon gas passageway, and straight line groove 13 is equipped with four and is the cross and distributes. The setting of annular groove and straight line groove on the one hand, can reduce the area of contact of upper portion joint and hot metal bottle, reduce the heat transfer, on the other hand does benefit to the circulation of air, improves the radiating effect.
Claims (5)
1. Automatic argon blowing connects, connect including upper portion, sealing washer and lower part and connect, upper portion connects and is equipped with the last argon gas passageway that top-down runs through, the lower part connects including fixing base, joint body and elastic component, lay the joint body in the fixing base, the joint body is equipped with the lower argon gas passageway that top-down runs through, go up the argon gas passageway with the coaxial setting of argon gas passageway down, joint body top is equipped with around the annular groove that the argon gas passageway set up, install the sealing washer in the annular groove, elastic component is used for with connect the body elasticity top mounting that makes progress for the sealing washer with the sealed laminating of diapire that upper portion connects, its characterized in that:
the automatic argon blowing joint further comprises a dust cover and a connecting seat, the lower argon channel comprises a first butt channel, a connecting channel, a second butt channel and a guide channel which are connected from top to bottom and the aperture of the first butt channel, the connecting channel, the second butt channel and the guide channel is sequentially reduced, the aperture of the first butt channel, the aperture of the connecting channel and the aperture of the second butt channel are larger than the aperture of the upper argon channel, the connecting seat is installed in the connecting channel, the connecting seat is provided with a threaded hole coaxial with the connecting channel and communication holes annularly distributed around the threaded hole, the communication holes are communicated with the first butt channel and the second butt channel, the dust cover comprises a disc-shaped main body and a columnar body formed by downwards extending from the central part of the main body, the main body is positioned in the first butt channel, the main body and the first butt channel are coaxially arranged, the lower end part of the columnar body is connected with the threaded hole, and the lower part of the main body and the upper part of the connecting channel are respectively provided with a chamfer surface which is parallel to each other.
2. The automatic argon blowing joint of claim 1, wherein: the lower part of the second butt joint channel is provided with a chamfer surface, and the first butt joint channel is a tapered channel which is gradually reduced from top to bottom.
3. The automatic argon blowing joint of claim 1, wherein: the fixing base is equipped with the pilot hole, the upper end of pilot hole is equipped with the interior location conical surface of convergent from bottom to top, the upper end of joint body be equipped with interior location conical surface complex outer location conical surface of location.
4. The automatic argon blowing joint of claim 1, wherein: the elastic component comprises a group of belleville springs, and the group of belleville springs are sleeved on the lower portion of the connector body and are abutted against the step surface.
5. The automatic argon blowing joint of claim 1, wherein: one side that upper portion connects and hot metal bottle laminating is equipped with around the annular groove that sets up of last argon gas passageway and with the sharp groove of annular groove intercommunication, the sharp groove is equipped with four and is the cross and distributes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010233443.0A CN111336342B (en) | 2020-03-29 | 2020-03-29 | Automatic argon blowing joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010233443.0A CN111336342B (en) | 2020-03-29 | 2020-03-29 | Automatic argon blowing joint |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111336342A true CN111336342A (en) | 2020-06-26 |
CN111336342B CN111336342B (en) | 2024-03-29 |
Family
ID=71182972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010233443.0A Active CN111336342B (en) | 2020-03-29 | 2020-03-29 | Automatic argon blowing joint |
Country Status (1)
Country | Link |
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CN (1) | CN111336342B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001335826A (en) * | 2000-05-23 | 2001-12-04 | Shinto Kogyo Kk | Device and method for connecting lance pipe for blowing oxygen and powdery material and hose joint |
JP2002020821A (en) * | 2000-07-05 | 2002-01-23 | Sanso Arc Kogyo Kk | Pipe for introducing gas into molten metal and its manufacturing method |
CN201136879Y (en) * | 2007-12-12 | 2008-10-22 | 莱芜钢铁集团有限公司 | Quick-replaceable joint device for ladle argon blowing |
CN201603871U (en) * | 2010-03-29 | 2010-10-13 | 赵继华 | Automatic connecting device for steel ladle bottom blowing argon |
CN103968166A (en) * | 2014-05-07 | 2014-08-06 | 扬中市第一蝶阀厂有限公司 | Flat plate type argon blowing joint |
CN107237931A (en) * | 2017-06-22 | 2017-10-10 | 扬中市第蝶阀厂有限公司 | A kind of easy-to-dismount Argon joint |
CN207777846U (en) * | 2017-12-26 | 2018-08-28 | 慈溪市安迈思气动元件有限公司 | A kind of clean type pneumatic fast plug |
CN209194009U (en) * | 2018-10-31 | 2019-08-02 | 上海坤冶工程技术有限公司 | A kind of flat Argon connector of heat insulating mattress |
CN212156253U (en) * | 2020-03-29 | 2020-12-15 | 无锡巨力重工股份有限公司 | Automatic argon blowing joint |
-
2020
- 2020-03-29 CN CN202010233443.0A patent/CN111336342B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001335826A (en) * | 2000-05-23 | 2001-12-04 | Shinto Kogyo Kk | Device and method for connecting lance pipe for blowing oxygen and powdery material and hose joint |
JP2002020821A (en) * | 2000-07-05 | 2002-01-23 | Sanso Arc Kogyo Kk | Pipe for introducing gas into molten metal and its manufacturing method |
CN201136879Y (en) * | 2007-12-12 | 2008-10-22 | 莱芜钢铁集团有限公司 | Quick-replaceable joint device for ladle argon blowing |
CN201603871U (en) * | 2010-03-29 | 2010-10-13 | 赵继华 | Automatic connecting device for steel ladle bottom blowing argon |
CN103968166A (en) * | 2014-05-07 | 2014-08-06 | 扬中市第一蝶阀厂有限公司 | Flat plate type argon blowing joint |
CN107237931A (en) * | 2017-06-22 | 2017-10-10 | 扬中市第蝶阀厂有限公司 | A kind of easy-to-dismount Argon joint |
CN207777846U (en) * | 2017-12-26 | 2018-08-28 | 慈溪市安迈思气动元件有限公司 | A kind of clean type pneumatic fast plug |
CN209194009U (en) * | 2018-10-31 | 2019-08-02 | 上海坤冶工程技术有限公司 | A kind of flat Argon connector of heat insulating mattress |
CN212156253U (en) * | 2020-03-29 | 2020-12-15 | 无锡巨力重工股份有限公司 | Automatic argon blowing joint |
Also Published As
Publication number | Publication date |
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CN111336342B (en) | 2024-03-29 |
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