CN106180672B - A kind of ingot casting mould argon blowing protection device - Google Patents
A kind of ingot casting mould argon blowing protection device Download PDFInfo
- Publication number
- CN106180672B CN106180672B CN201610874589.7A CN201610874589A CN106180672B CN 106180672 B CN106180672 B CN 106180672B CN 201610874589 A CN201610874589 A CN 201610874589A CN 106180672 B CN106180672 B CN 106180672B
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- CN
- China
- Prior art keywords
- plectane
- protection device
- casting mould
- ingot casting
- argon gas
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/58—Pouring-nozzles with gas injecting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The present invention provides a kind of ingot casting mould argon blowing protection device applied to ingot casting mould accessory technical field,Annular housing (3) is set inside the closure ring (2) of described ingot casting mould argon blowing protection device,Argon gas source (1) is connected with annular housing (3) by connecting pipe (4),Closure ring (2) is sleeved on the casting mouth of a river (5) top position,Regulation is set on connecting pipe (4) with choke valve (6),The outlet gap (10) of argon gas output is provided on annular housing (3),Ingot casting mould argon blowing protection device of the present invention,It is simple in construction,Manufacturing cost is low,In molten steel casting process,Argon gas can be provided to the casting mouth of a river,So that casting mouth of a river position is with the presence of continuous high pressure argon gas,Extraneous air cannot be close to the casting mouth of a river,Avoid molten steel and air contact,Ensure that steel ingot will not be scrapped because air plankton influences,Improve smelting iron and steel quality.
Description
Technical field
The invention belongs to ingot casting mould accessory technical field, is to be related to a kind of ingot casting mould Argon more specifically
Protection device.
Background technology
Ingot casting mould, molding subregion molten steel are needed to pour into mould after the processing of RH stoves, and the equipment is deposited in use
In following defect：Molten steel handles in RH stoves and detects qualified, possesses casting condition, but in casting cycle, because fluid column is pouring
Between casting nozzle and ladle delivery port exist with air contact phenomenon, liquid steel temperature is higher, and surrounding air environment temperature is relatively low, heat hand over
Larger air-flow is produced during changing, air is brought into molten steel with the guild of entering of casting, influences molten steel composition, steel ingot can be caused
Scrap, so as to influence castability.
The content of the invention
The technical problems to be solved by the invention are：In view of the shortcomings of the prior art, there is provided it is a kind of simple in construction, in molten steel
In casting process, argon gas can be provided to the casting mouth of a river, so that casting mouth of a river position is with the presence of continuous high pressure argon gas, this
Sample extraneous air, so that it is guaranteed that when the molten steel mouth of a river is opened, cannot avoid molten steel and air contact close to the casting mouth of a river so that
There will not be air to be mixed into molten steel, ensure that steel ingot will not be scrapped because of the influence of air plankton, improve smelting iron and steel quality
Ingot casting mould argon blowing protection device.
Solves the problems, such as techniques discussed above, the technical scheme that the present invention takes is：
The present invention is a kind of ingot casting mould argon blowing protection device, and described ingot casting mould argon blowing protection device includes argon gas
The annular housing of source, closure ring, the hollow annular housing of closure ring inside setting, argon gas source and closure ring is connected by connecting pipe
Logical, closure ring set sets regulation choke valve on casting mouth of a river top position, connecting pipe, is provided on annular housing
The outlet gap of argon gas output.
Described closure ring includes the inner side plectane of the outside plectane and annular of annular, and outside plectane and inner side plectane are formed
Annular housing, device support stand is set on connecting pipe.
Described outside plectane lower end and inner side plectane lower end is connected with outlet endless tube, described outside plectane upper end and interior
Side plectane upper end forms outlet gap, and outlet endless tube upper surface sets multiple ventholes by gap arrangement, venthole and annular
Cavity connects.
Described connecting pipe one end connects with argon gas source of the gas, and the connecting pipe other end connects with metal hose one end, institute
The metal hose other end stated connects with admission line one end, the described admission line other end and the outlet endless tube of closure ring
Air inlet mouth of pipe connects.
Described device support stand includes support frame body and multiple support plates, and support plate lower end is supported on ground
On, support plate upper end is connected with support frame body, and support frame body fits are between each support plate on connecting pipe
Angle is arranged.
Described outside plectane inwall sets the regulation loop I of protrusion, and regulation loop I is arranged for one week along outside plectane inwall, interior
Side plectane inwall sets the regulation loop II of protrusion, regulation loop II along one week arrangement of inner side plectane, outside plectane and inner side plectane it
Between be in angle structure.
It is cirque structure that described outside plectane upper end and inner side plectane upper end, which form outlet gap, between described outlet
Spacer pad of the suit along the one week arrangement in outlet gap in gap.
Described outside plectane lower end and inner side plectane lower end is welded to connect with outlet endless tube respectively.
Using technical scheme, following beneficial effect can be obtained：
Ingot casting mould argon blowing protection device of the present invention, before ingot casting mould is cast, first blows ingot casting mould
Then the closure ring housing sleeve of argon protection device opens argon gas, argon gas source passes through in casting mouth of a river top position by choke valve
Connecting pipe provides argon gas to closure ring, then starts to cast, and so, outlet gap exports for gas, so that casting
Mouth of a river position with the presence of continuous high pressure argon gas, outside air cannot close to the casting mouth of a river, when the molten steel mouth of a river is opened,
There will not be air to be mixed into molten steel, and then ensure that steel ingot will not be scrapped because of the influence of air plankton, so as to effectively carry
The quality of high smelting iron and steel, improve ingot yield.Ingot casting mould argon blowing protection device of the present invention, simple in construction, system
Cause low, improved by simple structure, just can provide argon gas to the casting mouth of a river in molten steel casting process, so that
Mouth of a river position must be cast cannot be close to the casting mouth of a river, so that it is guaranteed that working as with the presence of continuous high pressure argon gas, such extraneous air
When the molten steel mouth of a river is opened, molten steel and air contact are avoided so that there will not be air to be mixed into molten steel, ensure that steel ingot will not be because of sky
The influence of gas impurity and scrap, improve smelting iron and steel quality.
Brief description of the drawings
Brief description is made to the content expressed by each accompanying drawing of this specification and the mark in figure below：
Fig. 1 is ingot casting mould argon blowing protection device structural representation of the present invention；
Fig. 2 is the cross section structure diagram in the A-A faces of the ingot casting mould argon blowing protection device described in Fig. 1
Accompanying drawing acceptance of the bid note be respectively：1st, argon gas source；2nd, ring is blocked；3rd, annular housing；4th, connecting pipe；5th, the casting mouth of a river；
6th, choke valve；7th, outside plectane；8th, inner side plectane；9th, outlet endless tube；10th, outlet gap；11st, venthole；12nd, device supports
Frame；13rd, metal hose；14th, admission line；15th, support frame body；16th, support plate；17th, regulation loop I；18th, regulation loop II；
19th, spacer pad.
Embodiment
Below against accompanying drawing, by the description to embodiment, each structure for example involved to the embodiment of the present invention
The works such as mutual alignment and annexation, the effect of each several part and operation principle between the shape of part, construction, each several part are further
Detailed description：
As shown in accompanying drawing 1, accompanying drawing 2, the present invention is a kind of ingot casting mould argon blowing protection device, described ingot casting mould Argon
Protection device includes argon gas source 1, closure ring 2, and the inside of closure ring 2 sets hollow annular housing 3, argon gas source 1 and closure ring 2
Annular housing 3 is connected by connecting pipe 4, and closure ring 2 is sleeved on the casting top position of the mouth of a river 5, and regulation is set on connecting pipe 4
With choke valve 6, the outlet gap 10 of argon gas output is provided on annular housing 3.Said structure is set, the setting of choke valve 6,
It can be required according to the difference of different steel grades, the uninterrupted of argon gas is adjusted.Before ingot casting mould is cast, first will
The closure ring housing sleeve of ingot casting mould argon blowing protection device casting mouth of a river top position, then by choke valve open argon gas,
Argon gas source provides argon gas by connecting pipe to closure ring, then starts to cast, and so, outlet gap exports for gas, pours
Cast mouth of a river position with the presence of continuous high pressure argon gas, outside air cannot close to the mouth of a river of casting, when the molten steel mouth of a river is opened,
It there will not be air to be mixed into molten steel, and then ensure that steel ingot will not be scrapped because of the influence of air plankton, so as to effective
The quality of smelting iron and steel is improved, improves ingot yield.Ingot casting mould argon blowing protection device of the present invention, it is simple in construction,
Manufacturing cost is low, is improved by simple structure, just can provide argon gas to the casting mouth of a river in molten steel casting process, so as to
So that casting mouth of a river position is with the presence of continuous high pressure argon gas, such extraneous air cannot close to the mouth of a river of casting, so that it is guaranteed that
When the molten steel mouth of a river is opened, molten steel and air contact are avoided so that there will not be air to be mixed into molten steel, ensure that steel ingot will not be because of
The influence of air plankton and scrap, improve smelting iron and steel quality.
Described closure ring 2 includes the inner side plectane 8 of the outside plectane 7 and annular of annular, outside plectane 7 and inner side plectane
8 form annular housing 3, and device support stand 12 is set on connecting pipe 4.Such structure setting, outside plectane 7 and inner side plectane
8 form annular housing 3, and argon gas first passes through connecting pipe and enters annular housing, after being well mixed in annular housing, then by going out
Gas gap 10 exports, and exists so as to form continuous high pressure argon gas at casting mouth of a river position so that outside air is just not
Can be close to the casting mouth of a river.
The described lower end of outside plectane 7 and the lower end of inner side plectane 8 is connected with outlet endless tube 9, the described upper end of outside plectane 7
Outlet gap 10 is formed with the upper end of inner side plectane 8, the upper surface of outlet endless tube 9 sets multiple ventholes 11 by gap arrangement, gone out
Stomata 11 connects with annular housing 3.Said structure is set, the setting of venthole so that argon gas can be from going out on outlet endless tube
Stomata uniformly flows out, and is then well mixed in annular housing, then exported by outlet gap 10, it is ensured that form reliable high pressure
Argon gas blanketing, obstruct air.
Described one end of connecting pipe 4 connects with argon gas source of the gas 1, and the other end of connecting pipe 4 connects with the one end of metal hose 13
Logical, the described other end of metal hose 13 connects with the one end of admission line 14, the described other end of admission line 14 and closure ring 2
Outlet endless tube 9 air inlet mouth of pipe connection.
Described device support stand 12 includes support frame body 15 and multiple support plates 16, the support of the lower end of support plate 16
On the ground, the upper end of support plate 16 is connected with support frame body 15, and support frame body 15 is sleeved on connecting pipe 4, each
Arranged between support plate 16 in angle.The setting of support frame 12, secure support work is played to ingot casting mould argon blowing protection device
With avoiding rocking, it is ensured that functional reliability.
The described inwall of outside plectane 7 sets the regulation loop I 17 of protrusion, and regulation loop I 17 is along outside plectane 7 inwall, one week cloth
Put, the inwall of inner side plectane 8 sets the regulation loop II 18 of protrusion, and regulation loop II 18 is arranged for 8 one weeks along inner side plectane, outside plectane 7
It is in angle structure between inner side plectane 8.The setting of regulation loop I 17 and regulation loop II 18, going out from annular housing can be ensured
The argon gas that gas gap 10 is flowed out provides stable argon gas not by pipe network pressure fluctuations, meets that ingot casting mould Argon is protected
Protection unit functional reliability.
It is cirque structure that the described upper end of outside plectane 7 and the upper end of inner side plectane 8, which form outlet gap 10, and described goes out
Spacer pad 19 of the suit along the 10 1 weeks arrangements in outlet gap on gas gap 10.When spacer pad is set, spacer pad is being gone out
It is uniform on gas gap 10 so that the outlet gap size error of inner side plectane and outside plectane in allowed limits, so as to
Avoid gas output excessive or too small, meet job requirement.
The described lower end of outside plectane 7 and the lower end of inner side plectane 8 is welded to connect with outlet endless tube 9 respectively.
Ingot casting mould argon blowing protection device of the present invention, before ingot casting mould is cast, first blows ingot casting mould
Then the closure ring housing sleeve of argon protection device opens argon gas, argon gas source passes through in casting mouth of a river top position by choke valve
Connecting pipe provides argon gas to closure ring, then starts to cast, and so, outlet gap exports for gas, so that casting
Mouth of a river position with the presence of continuous high pressure argon gas, outside air cannot close to the casting mouth of a river, when the molten steel mouth of a river is opened,
There will not be air to be mixed into molten steel, and then ensure that steel ingot will not be scrapped because of the influence of air plankton, so as to effectively carry
The quality of high smelting iron and steel, improve ingot yield.Ingot casting mould argon blowing protection device of the present invention, simple in construction, system
Cause low, improved by simple structure, just can provide argon gas to the casting mouth of a river in molten steel casting process, so that
Mouth of a river position must be cast cannot be close to the casting mouth of a river, so that it is guaranteed that working as with the presence of continuous high pressure argon gas, such extraneous air
When the molten steel mouth of a river is opened, molten steel and air contact are avoided so that there will not be air to be mixed into molten steel, ensure that steel ingot will not be because of sky
The influence of gas impurity and scrap, improve smelting iron and steel quality.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, if the various improvement of inventive concept and technical scheme of the present invention progress are employed, or it is not improved by this
The design of invention and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (6)
- A kind of 1. ingot casting mould argon blowing protection device, it is characterised in that：Described ingot casting mould argon blowing protection device includes argon gas Source (1), closure ring (2), described closure ring (2) is internal to set hollow annular housing (3), argon gas source (1) and closure ring (2) Annular housing (3) by connecting pipe (4) connect, closure ring (2) be sleeved on casting the mouth of a river (5) top position, described company Regulation is set to be provided for the outlet gap (10) of argon gas output on annular housing (3) with choke valve (6) on adapter road (4)；Described closure ring (2) includes the outside plectane (7) of annular and the inner side plectane (8) of annular, outside plectane (7) and inner side Plectane (8) forms annular housing (3), and device support stand (12) is set on connecting pipe (4)；Described outside plectane (7) lower end and inner side plectane (8) lower end is connected with outlet endless tube (9), described outside plectane (7) Upper end and inner side plectane (8) upper end form outlet gap (10), and outlet endless tube (9) upper surface sets multiple going out by gap arrangement Stomata (11), venthole (11) connect with annular housing (3).
- 2. ingot casting mould argon blowing protection device according to claim 1, it is characterised in that：Described connecting pipe (4) one End connects with argon gas source of the gas (1), and connecting pipe (4) other end connects with metal hose (13) one end, described metal hose (13) other end connects with admission line (14) one end, and described admission line (14) other end goes out compression ring with closure ring (2) Manage the air inlet mouth of pipe connection of (9).
- 3. ingot casting mould argon blowing protection device according to claim 1, it is characterised in that：Described device support stand (12) Including support frame body (15) and multiple support plates (16), support plate (16) lower end supports on the ground, support plate (16) upper end is connected with support frame body (15), and support frame body (15) is sleeved on connecting pipe (4), each support plate (16) arranged between in angle.
- 4. ingot casting mould argon blowing protection device according to claim 1, it is characterised in that：In described outside plectane (7) Wall sets the regulation loop I (17) of protrusion, and regulation loop I (17) is arranged for one week along outside plectane (7) inwall, inner side plectane (8) inwall The regulation loop II (18) of protrusion is set, and regulation loop II (18) is arranged for (8) one weeks along inner side plectane, outside plectane (7) and inner side circle It is in angle structure between plate (8).
- 5. ingot casting mould argon blowing protection device according to claim 1, it is characterised in that：On described outside plectane (7) It is cirque structure that end and inner side plectane (8) upper end, which form outlet gap (10), and suit edge goes out on described outlet gap (10) The spacer pad (19) of (10) the one weeks arrangements in gas gap.
- 6. ingot casting mould argon blowing protection device according to claim 1, it is characterised in that：Under described outside plectane (7) End and inner side plectane (8) lower end are welded to connect with outlet endless tube (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874589.7A CN106180672B (en) | 2016-09-30 | 2016-09-30 | A kind of ingot casting mould argon blowing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874589.7A CN106180672B (en) | 2016-09-30 | 2016-09-30 | A kind of ingot casting mould argon blowing protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106180672A CN106180672A (en) | 2016-12-07 |
| CN106180672B true CN106180672B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874589.7A Active CN106180672B (en) | 2016-09-30 | 2016-09-30 | A kind of ingot casting mould argon blowing protection device |
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| CN (1) | CN106180672B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756452A (en) * | 1986-11-13 | 1988-07-12 | Shinagawa Refractories Co., Ltd. | Molten metal pouring nozzle |
| CN201070669Y (en) * | 2007-06-28 | 2008-06-11 | 濮阳濮耐高温材料（集团）股份有限公司 | Ring shaped air curtain retaining wall |
| CN201223928Y (en) * | 2008-06-20 | 2009-04-22 | 中原特钢股份有限公司 | Bottom pouring type argon shield apparatus for casting |
| CN201950208U (en) * | 2010-12-22 | 2011-08-31 | 宁夏共享集团有限责任公司 | Anti-oxidization device in process of high alloy molten steel casting |
| CN202224650U (en) * | 2011-08-22 | 2012-05-23 | 山西太钢不锈钢股份有限公司 | Die casting stainless steel sealing ring |
| CN202239524U (en) * | 2011-09-23 | 2012-05-30 | 鞍钢重型机械有限责任公司 | Argon protection device for casting steel ingots |
| JP5967755B2 (en) * | 2012-04-19 | 2016-08-10 | 新日鐵住金株式会社 | Top nozzle for pouring hot water |
| CN203380360U (en) * | 2013-07-12 | 2014-01-08 | 抚顺特殊钢股份有限公司 | Novel die-casting argon protection device |
| CN203470895U (en) * | 2013-09-27 | 2014-03-12 | 中核苏阀横店机械有限公司 | Device for protecting liquid steel flow injection through argon flow |
| CN204075107U (en) * | 2014-10-08 | 2015-01-07 | 舞阳钢铁有限责任公司 | A kind of ingot steel casting argon protective device |
| CN204603290U (en) * | 2015-02-10 | 2015-09-02 | 中钢集团邢台机械轧辊有限公司 | Ingot steel casting argon protective device |
| CN204818040U (en) * | 2015-07-23 | 2015-12-02 | 青岛正望钢水控制股份有限公司 | Argon seals ring canal for large castings |
-
2016
- 2016-09-30 CN CN201610874589.7A patent/CN106180672B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106180672A (en) | 2016-12-07 |
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Address after: 243003 Department of intellectual property right of Hunan West Road No. 8 technology center, Ma'anshan City, Anhui Province Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Hunan Anhui West Road, No. 8 technology center, Intellectual Property Department Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Patentee after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee before: Ma'anshan Iron and Steel Co., Ltd. |