CN106180603A - Magnesium alloy slab casting crystallizer - Google Patents
Magnesium alloy slab casting crystallizer Download PDFInfo
- Publication number
- CN106180603A CN106180603A CN201610782014.2A CN201610782014A CN106180603A CN 106180603 A CN106180603 A CN 106180603A CN 201610782014 A CN201610782014 A CN 201610782014A CN 106180603 A CN106180603 A CN 106180603A
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- China
- Prior art keywords
- cooling wall
- magnesium alloy
- cooling
- casting
- oil
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/07—Lubricating the moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention belongs to alloy casting apparatus technical field, being specifically related to a kind of magnesium alloy slab casting crystallizer, including the framework in case structure, the upper and lower both sides of described framework are respectively arranged with top board and lower platen, described top board is provided with charging aperture, and lower platen is provided with discharging opening；Being provided with cooling wall in each sidewall of described framework, described cooling wall includes top cooling wall, middle part cooling wall and the bottom cooling wall from top to bottom set gradually, and each portion cooling wall is connected to cooling circuit；The parameters such as cooling medium kind, pressure, flow and the temperature in each loop at the different trade mark magnesium alloy of casting, or during the different casting rate of coupling, can individually can be controlled by the present invention, ensures casting quality, speed and safety；Unique oil-air lubrication structure can reduce the frictional force of strand and equipment room, prevents strand to be pulled off, cc billet surface quality is greatly improved simultaneously.
Description
Technical field
The invention belongs to alloy casting apparatus technical field, be specifically related to a kind of magnesium alloy slab casting crystallizer.
Background technology
Magnesium alloy slab casting crystallizer is a kind of special equipment developed for magnesium alloy continuous casting and semi-continuous casting.
Coagulation forming equipment is the key during continuous casting and D.C.casting.In coagulation forming equipment, the heat conduction of magnesium alloy liquation
To equipment inner wall, and by cooling medium, heat is taken away.Along with the quick derivation of heat, the magnesium alloy contacted with equipment inner wall melts
Liquid temp drops under freezing point, and solidification forms initial solidification shell.Magnesium alloy liquation and green shell are driving or the induction of dummy device
Move towards equipment Way out continuously down, green shell progressive additive.When strand arrives outlet, there is enough intensity (thickness)
Opposing device interior molten metal static pressure, it is to avoid green shell is caused leakage by its destruction.
Prior art crystallization cooling length short (generally 30 to 150mm), causes casting speed too low, and is only capable of realizing magnesium
Alloy small-diameter circular base, the D.C.casting of small size slab, it is impossible to realize magnesium alloy slab and cast continuously.Existing casting of magnesium alloy
In making, it is by from crystallizer top, inject by the way of lubricating oil along cooling wall, carries out between magnesium alloy green shell and cooling wall
Lubrication, the result that such lubricating system brings is that lubrication length is the shortest on casting direction, limits the raising of casting rate.
Meanwhile, in existing magnesium alloy cast technology, the casting process parameter such as cooling medium kind, flow velocity is the most identical, it is impossible to
Adapt to the complicated cooling process requirements of magnesium alloy continuous casting.
Summary of the invention
The defect existed for prior art and deficiency, it is an object of the invention to provide a kind of magnesium alloy slab casting knot
Brilliant device.
For achieving the above object, the present invention is by the following technical solutions:
A kind of magnesium alloy slab casting crystallizer, including the framework in case structure, the upper and lower both sides of described framework set respectively
Being equipped with top board and lower platen, described top board is provided with charging aperture, and lower platen is provided with discharging opening；In each sidewall of described framework
Being provided with cooling wall, described cooling wall includes that the top cooling wall, middle part cooling wall and the bottom that from top to bottom set gradually are cold
But wall, each portion cooling wall is connected to cooling circuit.
Further, between described framework and cooling wall, it is provided with gripper shoe, if being provided with drier oil inside described gripper shoe
Gas lubrication groove, gripper shoe top is provided with oil gas entrance, and with oil-air lubrication groove UNICOM.
Further, described oil-air lubrication groove is circulus, and described gripper shoe is from top to bottom evenly distributed with several
Oil-air lubrication groove；Described oil gas entrance is by major trough road and each oil-air lubrication groove UNICOM.
Further, the described tapered structure of cooling wall short transverse is arranged.
Further, the width suitable for reading of cooling wall inner chamber is more than end opening width, and thickness suitable for reading is more than end opening thickness.
Further, described cooling wall height is 400～800mm.
Compared with prior art, the present invention has a following useful technique effect: by lower portion cooling wall, and will
Cooling wall is set to upper, middle, and lower part cooling wall, equipment inner chamber totally 4 faces, and each face is divided into 3 districts, amount to 12 cold
But district.And connect independent cooling circuit respectively at each several part cooling wall, make each cooling zone have a cooling medium closed loop
Path；Therefore, for the different magnesium alloy of the trade mark, the various combinations of casting speed, the intensity of cooling of each cooled region can be only
Vertical closed loop control, it is ensured that strand rapid shaping, and avoid cooling medium to contact, after revealing, the danger brought with cast object, ensure
Improve casting rate while safety in production, there is extremely strong adaptability, be adapted to the cooling technological requirement of complexity.
Further, by arranging oil-air lubrication groove on the supporting plate, by the infiltration of oil gas, can set in strand removal
During Bei, it is lubricated between strand and cooling wall, prevents from causing because frictional force is excessive initial solidification shell to be pulled off, and greatly
The big surface quality improving strand.
Further, there is tapering by arranging equipment, it is possible to adapt to the contraction of strand size, keep cooling wall to green shell
Effective support, and reduce the air gap of generation, prevent the adverse effect that cooling is brought.
Further, being 400～800mm by arranging device height, being formed for the green shell of magnesium alloy provides enough cold
But length range, it is ensured that the solidification of strand and quality, can effectively ensure that the raising of pulling rate continuously during casting.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is overall structure sectional view of the present invention.
Fig. 3 is oil-air lubrication groove structural representation of the present invention.
Fig. 4 is the A-A view of Fig. 3 of the present invention.
Fig. 5 is cooling wall inner chamber scale diagrams of the present invention.
Fig. 6 is the A-A view of Fig. 5 of the present invention.
Wherein: 1 is top cooling wall；2 is middle part cooling wall；3 is bottom cooling wall；4 is top board；5 is gripper shoe；6
For framework；7 is lower platen；8 is oil gas entrance；9 is oil-air lubrication groove；10 is cooling circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Seeing Fig. 1, Fig. 2, the present invention provides magnesium alloy slab casting crystallizer to include: the framework 6 in case structure, described
Framework about 6 both sides are respectively arranged with top board 4 and lower platen 7, and described top board 4 is provided with charging aperture, and lower platen 7 is provided with
Discharging opening；It is provided with gripper shoe 5 in framework 6, sees Fig. 3, Fig. 4, inside described gripper shoe 5, be provided with some oil-air lubrication grooves 9,
Gripper shoe 5 top is provided with oil gas entrance 8, and with oil-air lubrication groove 9 UNICOM.Described oil-air lubrication groove 9 is circular ring, institute
State gripper shoe 5 and be from top to bottom evenly distributed with several oil-air lubrication grooves 9；Described oil gas entrance 8 is by major trough road and each oil gas
Lubrication groove 9 UNICOM.Being provided with cooling wall in the gripper shoe 5 of every side, described cooling wall includes from top to bottom setting gradually
Top cooling wall 1, middle part cooling wall 2 and bottom cooling wall 3, each several part cooling wall is connected to cooling circuit 10.
The most tapered structure of cooling wall is arranged, and the width suitable for reading of cooling wall inner chamber is more than end opening width, thickness suitable for reading
Degree is more than end opening thickness.Described cooling wall height is 400～800mm.
Operation principle: the temperature caused due to continuous coo1ing in Liquid-solid Transition and casting process is greatly reduced, from equipment
Charging aperture to during discharging opening, strand overall dimensions has and shrinks largely, therefore cooling wall and molten metal,
On the face of green shell contact, the tapering that global design is certain, adapt to the contraction of strand size, keep cooling wall effectively propping up green shell
Support, and reduce the air gap of generation, prevent the adverse effect that cooling is brought.See Fig. 5, Fig. 6, wherein L1For inner chamber length suitable for reading
Degree, LbFor inner chamber end opening length, W1For inner chamber width suitable for reading, WbFor inner chamber end opening width, arrange: L1>Lb, W1>Wb。
In view of the different coagulating properties of various magnesium alloys and produce different demands to key elements such as pulling rates, cooling wall
It is designed to three sections of compositions, is adapted to the cooling technological requirement of complexity.
On four cooling surfaces of strand, it is divided into three districts, altogether 12 cooled regions along device height direction.Frame
12 independent cooling channel one_to_one corresponding therewith are built in frame.After equipment installation is in place, the phase that these paths and workshop are laid
Pipeline is answered to constitute loop.When the different trade mark magnesium alloy of casting, or during the different casting rate of coupling, can be to each loop
The parameters such as cooling medium kind, pressure, flow and temperature individually control, and conscientiously ensure casting quality, speed and peace
Entirely.In figure, the left and right sides is arranged symmetrically with, and either side can be selected as required as the outlet of cooling medium or entrance.
On the outside of cooling wall, the surface that gripper shoe contacts with cooling wall, it is disposed with the oil-air lubrication groove of uniqueness, passes through
The infiltration of oil gas under certain pressure, forms lubricating film between strand and cooling wall, reduces frictional force between the two, prevent strand quilt
Break, cc billet surface quality is greatly improved simultaneously.
Framework in the present invention is box Welding Structure, is the main stressed member of this equipment, have enough intensity and
Rigidity.Top cooling wall, middle part cooling wall and bottom cooling wall collectively constitute casting mold cavity.It is provided with 12 at lower portion
Cooling channel independent of each other, each cooled region of this equipment the most corresponding.Top cooling wall, middle part cooling wall, bottom cooling
Pass through top board, lower platen and corresponding bolt between wall, gripper shoe and framework, packing ring connection is entirety.
Magnesium alloy chemical performance is the most active, easily reacts with empty gas and water etc. under solution status or high temperature, raw for ensureing
Producing safety, efficiency and quality, this equipment is designed as 400～800mm height, and equipment inner chamber totally four faces, each face is divided into three
Individual district, amounts to 12 cooling zones.Each cooling zone is equipped with a cooling medium closed-loop path.Therefore, for the different trades mark
Magnesium alloy, the various combinations of casting speed, the intensity of cooling of each cooled region can be with closed loop control, it is ensured that strand is the most rapid-result
Type, and avoid cooling medium to contact, after revealing, the danger brought with cast object, improve while guaranteeing safe production and water teeming speed
Degree, has extremely strong adaptability.
Height of the present invention can reach 400～800mm, all can cool down strand in the range of overall height, and coupling is with spy
Determine the rectangle mold cavity of tapering, it is possible to achieve the continuous casting of magnesium alloy slab.The present invention is on 4 cooling surfaces, along short transverse
Being each divided into 3 cooling zones, altogether 12 cooling circuits, each cooling circuit can be to the kind of cooling medium, flow, stream
Speed individually controls, to meet the special cooling requirement of magnesium alloy continuous casting.Further, in the outside of cooling wall, gripper shoe
On the surface contacted with cooling wall, be disposed with the oil-air lubrication groove of uniqueness, by the infiltration of oil gas under certain pressure, strand with
Lubricating film is formed, it is ensured that lubrication length maximum in crystallizer, for raising, the reality of casting continuously of casting rate between cooling wall
Now provide guarantee.
Claims (6)
1. a magnesium alloy slab casting crystallizer, it is characterised in that include the framework (6) in case structure, described framework (6)
Both sides are respectively arranged with top board (4) and lower platen (7) up and down, and described top board (4) is provided with charging aperture, and lower platen (7) sets
It is equipped with discharging opening；Being provided with cooling wall in described framework (6) each sidewall, described cooling wall includes from top to bottom setting gradually
Top cooling wall (1), middle part cooling wall (2) and bottom cooling wall (3), each portion cooling wall is connected to cooling circuit (10).
A kind of magnesium alloy slab casting crystallizer the most according to claim 1, it is characterised in that described framework (6) is with cold
But being provided with gripper shoe (5) between wall, described gripper shoe (5) inner side is provided with some oil-air lubrication grooves (9), in gripper shoe (5)
Portion is provided with oil gas entrance (8), and with oil-air lubrication groove (9) UNICOM.
A kind of magnesium alloy slab casting crystallizer the most according to claim 2, it is characterised in that described oil-air lubrication groove
(9) being circulus, described gripper shoe (5) is from top to bottom evenly distributed with several oil-air lubrication grooves (9)；Described oil gas entrance
(8) by major trough road and each oil-air lubrication groove (9) UNICOM.
A kind of magnesium alloy slab casting crystallizer the most according to claim 1, it is characterised in that described cooling wall height side
Arrange to tapered structure.
5. according to a kind of magnesium alloy slab casting crystallizer described in claim 1 or 4, it is characterised in that cooling wall inner chamber
Width suitable for reading is more than end opening width, and thickness suitable for reading is more than end opening thickness.
A kind of magnesium alloy slab casting crystallizer the most according to claim 1, it is characterised in that described cooling wall height is
400～800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782014.2A CN106180603A (en) | 2016-08-30 | 2016-08-30 | Magnesium alloy slab casting crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782014.2A CN106180603A (en) | 2016-08-30 | 2016-08-30 | Magnesium alloy slab casting crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106180603A true CN106180603A (en) | 2016-12-07 |
Family
ID=58087177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782014.2A Pending CN106180603A (en) | 2016-08-30 | 2016-08-30 | Magnesium alloy slab casting crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106180603A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788033A (en) * | 2017-04-26 | 2018-11-13 | 中国宝武钢铁集团有限公司 | A kind of magnesium alloy cast cooling system and method |
| CN108788032A (en) * | 2017-04-26 | 2018-11-13 | 中国宝武钢铁集团有限公司 | The adjustable magnesium alloy continuous casting crystallizer of intensity of cooling |
| CN109940138A (en) * | 2019-04-11 | 2019-06-28 | 中国重型机械研究院股份公司 | A kind of alloy slab sizing coolant jacket, crystallizer and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612151A (en) * | 1969-02-14 | 1971-10-12 | Kaiser Aluminium Chem Corp | Control of continuous casting |
| JP2006247737A (en) * | 2005-03-14 | 2006-09-21 | Kobe Steel Ltd | Screen for aluminum molten metal |
| CN101394958A (en) * | 2006-03-01 | 2009-03-25 | 诺韦利斯公司 | Sequential casting metals having high co-efficients of contraction |
| CN102076443A (en) * | 2008-06-30 | 2011-05-25 | 日本轻金属株式会社 | Gas pressure controlling casting mold |
| CN203556820U (en) * | 2013-08-12 | 2014-04-23 | 中国重型机械研究院股份公司 | Crystallization device with polygonal curved inner wall used for continuous casting of tube blank |
| CN104117639A (en) * | 2014-07-10 | 2014-10-29 | 中国重型机械研究院股份公司 | Magnesium alloy round billet continuous casting crystallizer |
| CN203992288U (en) * | 2014-07-10 | 2014-12-10 | 中国重型机械研究院股份公司 | A kind of magnesium alloy continuous casting mold of round billets structure |
| CN204122708U (en) * | 2014-08-14 | 2015-01-28 | 中国重型机械研究院股份公司 | A kind of crystallizer cooling water control device |
| CN205996137U (en) * | 2016-08-30 | 2017-03-08 | 中国重型机械研究院股份公司 | Magnesium alloy slab casting crystallizer |
-
2016
- 2016-08-30 CN CN201610782014.2A patent/CN106180603A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612151A (en) * | 1969-02-14 | 1971-10-12 | Kaiser Aluminium Chem Corp | Control of continuous casting |
| JP2006247737A (en) * | 2005-03-14 | 2006-09-21 | Kobe Steel Ltd | Screen for aluminum molten metal |
| CN101394958A (en) * | 2006-03-01 | 2009-03-25 | 诺韦利斯公司 | Sequential casting metals having high co-efficients of contraction |
| CN102076443A (en) * | 2008-06-30 | 2011-05-25 | 日本轻金属株式会社 | Gas pressure controlling casting mold |
| CN203556820U (en) * | 2013-08-12 | 2014-04-23 | 中国重型机械研究院股份公司 | Crystallization device with polygonal curved inner wall used for continuous casting of tube blank |
| CN104117639A (en) * | 2014-07-10 | 2014-10-29 | 中国重型机械研究院股份公司 | Magnesium alloy round billet continuous casting crystallizer |
| CN203992288U (en) * | 2014-07-10 | 2014-12-10 | 中国重型机械研究院股份公司 | A kind of magnesium alloy continuous casting mold of round billets structure |
| CN204122708U (en) * | 2014-08-14 | 2015-01-28 | 中国重型机械研究院股份公司 | A kind of crystallizer cooling water control device |
| CN205996137U (en) * | 2016-08-30 | 2017-03-08 | 中国重型机械研究院股份公司 | Magnesium alloy slab casting crystallizer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788033A (en) * | 2017-04-26 | 2018-11-13 | 中国宝武钢铁集团有限公司 | A kind of magnesium alloy cast cooling system and method |
| CN108788032A (en) * | 2017-04-26 | 2018-11-13 | 中国宝武钢铁集团有限公司 | The adjustable magnesium alloy continuous casting crystallizer of intensity of cooling |
| CN108788033B (en) * | 2017-04-26 | 2020-07-28 | 中国宝武钢铁集团有限公司 | Magnesium alloy casting cooling method |
| CN109940138A (en) * | 2019-04-11 | 2019-06-28 | 中国重型机械研究院股份公司 | A kind of alloy slab sizing coolant jacket, crystallizer and application |
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Application publication date: 20161207 |