CN107030265A - A kind of magnesium alloy semi-continuous casting device and method - Google Patents
A kind of magnesium alloy semi-continuous casting device and method Download PDFInfo
- Publication number
- CN107030265A CN107030265A CN201710383894.0A CN201710383894A CN107030265A CN 107030265 A CN107030265 A CN 107030265A CN 201710383894 A CN201710383894 A CN 201710383894A CN 107030265 A CN107030265 A CN 107030265A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- liquid
- tundish
- catheter
- smelting furnace
- 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.)
- Pending
Links
Classifications
-
- 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
- B22D11/10—Supplying or treating molten metal
-
- 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
- B22D11/14—Plants for continuous casting
- B22D11/147—Multi-strand plants
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to a kind of magnesium alloy semi-continuous casting device and method, including smelting furnace and Duo Tai crystallizers for fusing metal magnesium；The smelting furnace connects a tundish by a catheter, and the installation site of the tundish is higher than the crystallizer, and the tundish connects many crystallizers by isocon；Method includes injecting the pressed gas into smelting furnace, liquid magnesium alloy is set to be delivered to tundish by catheter, liquid magnesium alloy that liquid magnesium alloy is flowed into each crystallizer, crystallizer by tundish it is cooled and by rod drawer be made magnesium alloy rod the beneficial effects of the invention are as follows：The mode of movement from smelting furnace to crystallizer of liquid magnesium alloy is improved, liquid magnesium alloy is kept stable feed status and stable delivery temperature, improves the production efficiency and security of magnesium alloy semi-continuous casting；Automaticity is improved, manpower consumption is reduced and artificial uncertain factor, production efficiency can be significantly increased, operating cost is reduced.
Description
Technical field
The invention belongs to magnesium metal smelt field, more particularly to a kind of magnesium alloy semi-continuous casting device and method.
Background technology
Semi-continuous casting technology be at present application more profile extrusion, forging and plate paper tinsel rolling main blank-making method it
One, it is widely used in metallurgical industry production.Semi-continuous casting technology is to coagulate metal liquid by a kind of special cooling device
Pulled out from below after shaping, into the process with certain section configuration and the strand of certain length after quick cooling.Because its is big
Use foundation ditch forms, therefore whenever drawing device reaches bottom of foundation ditch, need to take out ingot casting can just carry out Foundry Production next time more,
Therefore referred to as semi-continuous casting.D.C.casting casting major advantage be：Crystallization rate is high, improves the intra-crystalline structure of ingot casting,
The regional segregation of chemical composition is reduced, the mechanical performance of ingot casting is improved；Metal casting system is improved, oxidation folder is reduced
Miscellaneous and metal impurities, improve the cleanliness of metal；Due to rational sequence of crystallization, the consistency of ingot casting is improved, and makes casting
Ingot centre reduces loose；Extrusion ingot length is increased, the percentage of the geometry waste material such as crop, back-end crop is relatively reduced；It is real
Show mechanization and automation, improved working condition, improve labor productivity.At present, China's magnesium alloy semi-continuous casting
Generally go out liquid, chute transfer, manual adjustment stability of flow mould liquid level, artificial speed governing throwing using crucible bottom consent to fall
Production model afterwards, has that " labor intensity is big, security risk is high, energy consumption melting loss big, pouring out melt quality fluctuation, big, cast is molten
The problems such as body secondary pollution, manual adjustment cast are with throwing, technique and quality poor reproducibility.
The content of the invention
The purpose of the present invention is to propose to a kind of magnesium alloy semi-continuous casting device and the technical scheme of method, improve magnesium and close
The technology of golden semi-continuous casting, it is safe and reliable efficiently to be produced.
To achieve these goals, the technical scheme is that：A kind of magnesium alloy semi-continuous casting device, including by gold
Category magnesium is molten into the smelting furnace of liquid magnesium alloy, many crystallizers and control device；The magnesium alloy semi-continuous casting device is set
The compression system of liquid magnesium alloy in the promising conveying smelting furnace, the smelting furnace is connected in one by a catheter
Between wrap, the installation site of the tundish is higher than the crystallizer, and the tundish connects many crystallizations by isocon
Device.
Further, in order to protect the crucible of smelting furnace, the compression system includes housing and closure, in the housing
Air pressure interface provided with connection pressure gas source, the smelting furnace is provided with crucible, and the smelting furnace is integrally provided in by described close
In the closed housing of capping, the pressure when the air pressure rise in the housing between the inner chamber of the crucible and outer wall
Difference is zero.
Further, the air pressure interface is provided with bleed pressure regulating valve, and the catheter is stretched into by the closure
The smelting furnace；The control device adjusts the liquid magnesium alloy of the valve regulation inflow tundish by the bleed pressure
Flow, so as to controlling liquid magnesium alloy liquid level in the tundish.
Further, the crucible is the crucible that outer layer is stainless steel, internal layer is carbon steel clad steel plate is made.
Further, in order to accurately control the flowing of liquid magnesium alloy, the smelting furnace is provided with detecting that the liquid magnesium closes
The liquid level monitor of the liquid level of gold, the tundish is provided with liquid level monitor, and every crystallizer passes through a flow control
Device connects the isocon, and every crystallizer is provided with liquid level monitor.
Further, in order that liquid magnesium alloy flowing is smooth, the catheter is provided with inner catheter and outer tube, described interior
Partiting thermal insulation filler, the two ends connection heating power supply of the inner catheter are filled between conduit and outer tube.
A kind of magnesium alloy semi-continuous casting method, is closed the liquid magnesium in smelting furnace by gas pressure using compression system
Gold is delivered to tundish by catheter, then by flow control device is delivered to multiple crystallizers by the tundish, passes through and draws
Magnesium alloy rod is made in rod machine；The smelting furnace is arranged in closed compression system, and the catheter is electrical heating catheter,
Characterized in that, the step of methods described includes：
A. it is non-under confined conditions in compression system, magnesium alloy is molten into liquid magnesium alloy in the crucible of smelting furnace；
B. the compression system is closed；
C. catheter is heated to the state that temperature is higher than liquid magnesium alloy；
D. the heated condition of catheter is kept, compression system is passed through compressed air, makes the liquid magnesium alloy defeated by catheter
The tundish is delivered to, the liquid magnesium alloy flows into each crystallizer by tundish；
E. liquid magnesium alloy in crystallizer is cooled and magnesium alloy rod is made by rod drawer；
F. when the liquid magnesium alloy liquid level in the smelting furnace crucible drops to setting lower limit, compression system removes gas pressure
Power, liquid magnesium alloy stops conveying to the tundish.
Further, in step d, control to flow into the stream of the liquid magnesium alloy of every crystallizer using flow control device
Amount, makes the variable quantity no more than 15mm of the liquid magnesium alloy liquid level in crystallizer.
Further, in step d, by adjusting the gas pressure of compression system, the liquid magnesium in the tundish is made
Alloy liquid level is maintained in the range of operating fluid level ± 15mm.
The beneficial effects of the invention are as follows：The mode of movement from smelting furnace to crystallizer of liquid magnesium alloy is improved, makes liquid
State magnesium alloy keeps stable feed status and stable delivery temperature, stabilizes cast control, improves magnesium alloy semicontinuous
The production efficiency and security of casting；Automaticity is improved, manpower consumption is reduced and artificial uncertain factor, can
Production efficiency is significantly increased, operating cost is reduced.Smelting furnace is integrally positioned in the compression system, and crucible inside and outside differential pressure is
Zero, crucible intensity requirement is effectively reduced, its service life is extended.
The present invention is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is apparatus of the present invention system diagram；
Fig. 2 is smelting furnace structure chart of the present invention；
Fig. 3 is crystallizer local structural graph of the present invention.
Embodiment
As shown in Figure 1, Figure 2, Fig. 3, a kind of magnesium alloy semi-continuous casting device, including magnesium metal is molten into liquid magnesium alloy
Smelting furnace 10, many crystallizers 20 and control device；The magnesium alloy semi-continuous casting device is provided with to convey the smelting furnace
In liquid magnesium alloy compression system 70, the smelting furnace connects a tundish 40 by catheter 30, it is described in
Between the installation site wrapped be higher than the crystallizer, the tundish connects many crystallizers by isocon 50.
The compression system includes housing 71 and closure 72, and the air pressure on the housing provided with connection pressure gas source connects
Mouthfuls 73, the smelting furnace is provided with crucible 11, and the smelting furnace is integrally provided in by the closed housing of the closure, when
Pressure difference when air pressure in the housing is raised between the inner chamber 13 of the crucible and outer wall is zero.
The air pressure interface is provided with bleed pressure regulating valve 74, and the catheter stretches into the melting by the closure
Stove；The control device by the bleed pressure adjust valve regulation flow into the tundish liquid magnesium alloy flow, from
And control the liquid magnesium alloy liquid level in the tundish.
The crucible is the crucible that the clad steel plate that outer layer is stainless steel 1a, internal layer is carbon steel 1b is made.
Liquid level monitor 12 of the smelting furnace provided with the liquid level for detecting the liquid magnesium alloy, the tundish is provided with liquid
Face monitor 41, every crystallizer connects the isocon by a flow control device 21, and every crystallizer is set
There is liquid level monitor 22.
The catheter is provided with inner catheter 31 and outer tube 32, is filled out between the inner catheter and outer tube filled with partiting thermal insulation
Material 33, the two ends connection heating power supply 34 of the inner catheter.The length of catheter is 3m~6m.
A kind of magnesium alloy semi-continuous casting method, using compression system 60 by gas pressure by the liquid in smelting furnace 10
Magnesium alloy is delivered to tundish 40 by catheter 30, then by flow control device 21 is delivered to multiple crystallizations by the tundish
Device 20, magnesium alloy rod is made by rod drawer 60；The smelting furnace is arranged in closed compression system 70, the catheter
The step of being electrical heating catheter, methods described, includes：
A. it is non-under confined conditions in compression system, magnesium alloy is molten into liquid magnesium alloy in the crucible of smelting furnace；
B. the compression system is closed；
C. catheter is heated to the state that temperature is higher than liquid magnesium alloy；
D. the heated condition of catheter is kept, compression system is passed through compressed air, makes the liquid magnesium alloy defeated by catheter
The tundish is delivered to, the liquid magnesium alloy flows into each crystallizer by tundish；
E. liquid magnesium alloy in crystallizer is cooled and magnesium alloy rod is made by rod drawer；
F. when the liquid magnesium alloy liquid level in the smelting furnace crucible drops to setting lower limit, compression system removes gas pressure
Power, liquid magnesium alloy stops conveying to the tundish.
In step d, control to flow into the flow of the liquid magnesium alloy of every crystallizer using flow control device, make crystallizer
The variable quantity of interior liquid magnesium alloy liquid level is not more than 15mm.
In step d, by adjusting the gas pressure of compression system, protect the liquid magnesium alloy liquid level in the tundish
Hold in the range of operating fluid level ± 15mm.
Embodiment one：
As shown in Figure 1, Figure 2, Fig. 3, a kind of magnesium alloy semi-continuous casting device, including provided with the He of smelting furnace 10 for fusing metal magnesium
Many crystallizers 20.
Smelting furnace includes being used for fusing metal magnesium crucible 11, heater 12 and heat resisting brick body of heater 14.Crucible is clad steel
The crucible that plate is made, the 310S heat-resistance stainless steels of outer layer 1a5mm thickness, the 20g heat resisting steel that internal layer 1b is thickness 20mm.
Magnesium alloy semi-continuous casting device is provided with as the compression system 70 of the liquid magnesium alloy in conveying smelting furnace, compression train
System includes housing 71 and closure 72, and closure is provided with the liquid outlet 15 being connected with catheter；Closure is movable sealing lid, is led to
Cross winding device by closure efficiently quickly with housing fasten seal, winding device be provided with drive cylinder 16, end cover and
There is seal washer 17 between bottom compression chamber end face, ensure that compression chamber's excellent sealing, inflate immediate stability.Closure is closed
When, housing is interior to form closed space.Air pressure interface 73 provided with connection pressure gas source on housing, air pressure interface is provided with source of the gas
Pressure-regulating valve 74.The pressure gas source of the present embodiment is compressed air.
Smelting furnace is arranged on by the closed housing of closure, the inner chamber 13 of crucible and with the spaces 14 of wall contacts with
The inner space connection of the housing.The liquid level monitor 12 of liquid level of the smelting furnace provided with detection liquid magnesium alloy, liquid level monitoring
Instrument is that liquid level monitor is laser liquid level monitor, on closure.
The liquid outlet 15 of smelting furnace connects a tundish 40 by a catheter 30.The input port 36 of catheter passes through
Closure stretches into smelting furnace.
Catheter is the sleeve pipe with heating and heat insulation function.Catheter is provided with inner catheter 31 and outer tube 32, in inner catheter
Filled with insulation filler 33 between outer tube.In the present embodiment, the length of catheter is 3.8m, and the material of inner catheter is Q235A
Carbon steel, insulation filler uses alumina silicate fibre.The two ends of catheter are provided with adpting flange 37, and the two ends of inner catheter are in close connection
The position of flange connects 24V exchange heating power supply 34, temperature sensor 35 of the catheter provided with measurement indoor duct temperature.Heating
Inner catheter can be heated to more than 700 DEG C by power supply, and now 24V heating power supply produces about 120A electric current on inner catheter,
The heating power close to 3 kilowatts is formed, so as to ensure that catheter temperature is sufficiently high, it is ensured that magnesium liquid internally flows smooth.
Tundish is a closed container filled with protective gas, and tundish is provided with an operating fluid level, corresponding to work
The liquid magnesium alloy capacity of the tundish of liquid level is displacement volume.The displacement volume of tundish, which should be not less than in the 100s times, to be flowed through
The liquid magnesium alloy capacity of tundish.The dielectric capacity capacity of the tundish of the present embodiment in the operating condition is 10 liters.It is middle
Bag is provided with liquid level monitor 41, the liquid level for monitoring the liquid magnesium alloy in tundish.Liquid level monitor is laser liquid level prison
Survey instrument.
Tundish connects many crystallizers 20 by isocon 50.Crystallizer is provided with aluminium alloy inner barrel 23 and steel outer barrel
24, cooling-water duct is provided between inner sleeve and overcoat（25 be that cooling-water duct is exported in Fig. 3）.Every crystallizer passes through one
Flow control device 21 connects isocon, and every crystallizer is provided with liquid level monitor 22.
In the present embodiment, tundish connects five crystallizers by isocon, and crystallizer is arranged on rod drawer 60
On lifting platform 61.Every crystallizer connects isocon by a flow control device 21, and flow control device is electronic tapered throttling
Valve；Every crystallizer is provided with liquid level monitor 22, and liquid level monitor is laser liquid level monitor.
The installation site of tundish is higher than crystallizer, in the present embodiment, the installation site of tundish higher than crystallizer away from
From flow sets of the H according to the liquid magnesium alloy for flowing through isocon, the flow control of liquid magnesium alloy in isocon should be made to exist
0.3m/s~1.0m/s.Shunting length of tube between H=300mm in the present embodiment, the crystallizer of tundish to lie farthest away is
1200mm。
In the present embodiment, smelting furnace is integrally positioned in the compression system, and crucible inside and outside differential pressure is zero, is effectively reduced
Crucible intensity requirement, extends its service life.
The magnesium alloy semi-continuous casting device of the present embodiment is provided with control device, and control device is monitored by liquid level monitor
The liquid level of liquid magnesium alloy in smelting furnace and tundish, air pressure is changed by bleed pressure regulating valve, and regulation liquid magnesium is closed
The golden rate of outflow so by magnesium liquid level control in tundish in smaller range.Control device is monitored by liquid level monitor and tied
The liquid level of liquid magnesium alloy in brilliant device, pressure and stream that control device passes through bleed pressure governor valve control air pressure interface
Amount, control device controls to enter the flow of the liquid magnesium alloy of crystallizer by flow control device.
Embodiment two：
A kind of magnesium alloy semi-continuous casting method, the method for the present embodiment is using the semicontinuous casting of magnesium alloy described in embodiment one
The method that device produces magnesium alloy rod is made, using compression system 60 by gas pressure by the liquid magnesium alloy in smelting furnace 10
Tundish 40 is delivered to by catheter 30, then multiple crystallizers 20 are delivered to by flow control device 21 by the tundish,
Magnesium alloy rod is made by rod drawer 60；The smelting furnace is arranged in closed compression system 70, and the catheter is electricity
The step of heating catheter, methods described includes：
A. remove to spread in advance in the closure of compression system, crucible and spill magnesium alloy refining flux, heating crucible melts aurin flux
Change, be put into magnesium alloy ingot and other raw material ingots are heated, be molten into liquid magnesium alloy, found in fusion process after ignition point
Refining flux fire extinguishing is spilled into time, and liquid magnesium alloy is heated to design temperature, temperature is generally set as 730 DEG C, is then stirred
Mix and further add refining agent refining；
B. after three times to four times refine, covering flux is spilt on surface, and then insulation stands about 15min, and inspection by sampling is examined
680 DEG C of insulations are cooled to after qualified；Compression system closure is placed, the compression system is closed.
C. the heating power supply of catheter is connected, catheter is heated to the state that temperature is higher than liquid magnesium alloy, generally will
The inner catheter of catheter is heated to above the temperature of 10 DEG C~20 DEG C of liquid magnesium alloy.
D. catheter heating power supply is closed, the heated condition of catheter is kept, the bleed pressure regulation of compression system is opened
Valve 74, is allowed compressed air into the housing of closing, and compression system makes liquid magnesium alloy defeated by catheter by gas pressure
The tundish is delivered to, liquid magnesium alloy flows into each crystallizer by tundish.Brilliant device is monitored by liquid level monitor 22
Interior liquid magnesium alloy liquid level, is controlled to flow into the flow of the liquid magnesium alloy of every crystallizer using flow control device, makes crystallization
The variable quantity of liquid magnesium alloy liquid level in device is not more than 15mm.Liquid magnesium alloy in tundish is monitored by liquid level monitor 41
Liquid level, the liquid magnesium alloy liquid level in the tundish is maintained in the range of operating fluid level ± 15mm；Work as centre
When liquid magnesium alloy liquid level in bag is close to the upper limit, pass through the flow that bleed pressure regulating valve reduces pressed gas, reduce and flow into
The liquid magnesium alloy flow of tundish；It is high when the liquid magnesium alloy liquid level in tundish is close to lower limit, adjusted by bleed pressure
Saving valve increases the flow of pressed gas, and increase flows into the liquid magnesium alloy flow of tundish.
E. liquid magnesium alloy in crystallizer is cooled and magnesium alloy rod is made by rod drawer；Magnesium liquid enters after inner cylinder
Solid-state is condensed into by water cooling effect between inner/outer tube, and draws to form bar with casting machine.
F. when the liquid magnesium alloy liquid level in smelting furnace crucible drops to lower limit, cut off compression system source of the gas and uncap
With atmosphere, liquid magnesium alloy stops conveying to the tundish.
The magnesium alloy semi-continuous casting device and method of above-described embodiment, employ tundish and convey liquid magnesium for crystallizer
Alloy.Tundish is the interim storing containers of the liquid magnesium alloy nearer apart from crystallizer, uses tundish can be with buffer solution
Impact when state magnesium alloy moment flows out, it is ensured that stably supply crystallizer qualified liquid magnesium alloy.Tundish by with knot
Difference in height between brilliant device, crystallizer during liquid magnesium alloy is conveyed by isocon using gravitional force.Conveyed using potential energy
Liquid magnesium alloy has most stable of discharge pressure, and pressure is steady, and the flowing of liquid magnesium alloy keeps persistently uniform.Crystallize input
The liquid magnesium alloy input quantity of device can keep the balanced of optimum state with its output.Magnesium alloy semi-continuous casting production can be improved
Quality and the continuity of production, reliability.By experiment, employ difference in height between appropriate tundish and crystallizer and
The length of isocon, makes liquid magnesium alloy have good mobile performance（Flow, flow velocity and stationarity）.Imitate in actual applications
Fruit is very notable.
Present invention employs the technology of catheter direct electro heating.Catheter is carried out using safe voltage in advance to heat really
Protecting after magnesium liquid enters to cool, so as to ensure magnesium liquid smooth outflow.The structure for the device that this technology greatly simplifies, reduction
The cost of device, and it is advantageous to the maintenance and management of equipment.
Liquid magnesium alloy is delivered to tundish, air transporting arrangement letter from smelting furnace present invention employs gas pressure
Single, reliability is high, can be reliably by liquid magnesium alloy and air exclusion by covering flux, it is ensured that the safety of production.It is molten
Furnace is provided with laser liquid level monitor, can monitor liquid magnesium alloy liquid level.During the low liquid level to setting of liquid level in smelting furnace,
Can release rapidly, it is to avoid the magnesium liquid export that slag inclusion is contained in the bottom of a pan is mixed into strand, Slab quality is reduced.
Smelting furnace crucible is made using clad steel plate, clad steel plate material selection 310S (5mm)+20g (20mm) type
Formula, its outer wall 310S is heat-resistance stainless steel, and inwall is 20g materials, both ensure that intensity and performance, and reasonably reduce
Cost, while avoiding impurity Ni from entering magnesium liquid influences its quality.Compression chamber is made using box hat, overall to contain crucible
Internally, so crucible inside and outside differential pressure is zero, crucible can be avoided to be pressurized and be damaged or reduce service life.
Claims (9)
1. a kind of magnesium alloy semi-continuous casting device, including magnesium metal is molten into the smelting furnace of liquid magnesium alloy, many crystallizations
Device and control device；Characterized in that, the magnesium alloy semi-continuous casting device is provided with to convey the liquid in the smelting furnace
The compression system of magnesium alloy, the smelting furnace connects a tundish, the installation site of the tundish by a catheter
Higher than the crystallizer, the tundish connects many crystallizers by isocon.
2. a kind of magnesium alloy semi-continuous casting device according to claim 1, it is characterised in that the compression system includes
Housing and closure, the air pressure interface on the housing provided with connection pressure gas source, the smelting furnace are provided with crucible, described molten
Furnace is integrally provided in by the closed housing of the closure, the earthenware when the air pressure rise in the housing
Pressure difference between the inner chamber of crucible and outer wall is zero.
3. a kind of magnesium alloy semi-continuous casting device according to claim 2, it is characterised in that the air pressure interface is provided with
Bleed pressure regulating valve, the catheter stretches into the smelting furnace by the closure；The control device passes through the gas
Source pressure-regulating valve regulation flows into the flow of the liquid magnesium alloy of the tundish, so as to control the liquid magnesium in the tundish
Alloy liquid level.
4. a kind of magnesium alloy semi-continuous casting device according to claim 2, it is characterised in that the crucible is that outer layer is
The crucible that stainless steel, internal layer are made for the clad steel plate of carbon steel.
5. a kind of magnesium alloy semi-continuous casting device according to claim 1, it is characterised in that the smelting furnace is provided with inspection
The liquid level monitor of the liquid level of the liquid magnesium alloy is surveyed, the tundish is provided with liquid level monitor, and every crystallizer leads to
Cross a flow control device and connect the isocon, every crystallizer is provided with liquid level monitor.
6. a kind of magnesium alloy semi-continuous casting device according to claim 1, it is characterised in that the catheter is provided with interior
Conduit and outer tube, are filled with partiting thermal insulation filler, the two ends connection heating of the inner catheter between the inner catheter and outer tube
Power supply.
7. a kind of magnesium alloy semi-continuous casting method, using compression system by gas pressure by the liquid magnesium alloy in smelting furnace
Tundish is delivered to by catheter, then multiple crystallizers are delivered to by flow control device by the tundish, passes through pull-rod
Magnesium alloy rod is made in machine；The smelting furnace is arranged in closed compression system, and the catheter is electrical heating catheter, its
It is characterised by, includes the step of methods described：
A. it is non-under confined conditions in compression system, magnesium alloy is molten into liquid magnesium alloy in the crucible of smelting furnace；
B. the compression system is closed；
C. catheter is heated to the state that temperature is higher than liquid magnesium alloy；
D. the heated condition of catheter is kept, compression system is passed through compressed air, makes the liquid magnesium alloy defeated by catheter
The tundish is delivered to, the liquid magnesium alloy flows into each crystallizer by tundish；
E. liquid magnesium alloy in crystallizer is cooled and magnesium alloy rod is made by rod drawer；
F. when the liquid magnesium alloy liquid level in the smelting furnace crucible drops to setting lower limit, compression system removes gas pressure
Power, liquid magnesium alloy stops conveying to the tundish.
8. a kind of magnesium alloy semi-continuous casting method according to claim 7, it is characterised in that in step d, using stream
The flow that modulator control flows into the liquid magnesium alloy of every crystallizer is measured, makes the change of the liquid magnesium alloy liquid level in crystallizer
Amount is not more than 15mm.
9. a kind of magnesium alloy semi-continuous casting method according to claim 7, it is characterised in that in step d, by adjusting
The gas pressure of compression system is saved, the liquid magnesium alloy liquid level in the tundish is maintained at operating fluid level ± 15mm scope
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383894.0A CN107030265A (en) | 2017-05-26 | 2017-05-26 | A kind of magnesium alloy semi-continuous casting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383894.0A CN107030265A (en) | 2017-05-26 | 2017-05-26 | A kind of magnesium alloy semi-continuous casting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107030265A true CN107030265A (en) | 2017-08-11 |
Family
ID=59540441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710383894.0A Pending CN107030265A (en) | 2017-05-26 | 2017-05-26 | A kind of magnesium alloy semi-continuous casting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107030265A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405011A (en) * | 2018-03-06 | 2018-08-17 | 于越 | multifunctional biological experiment platform |
| CN109365764A (en) * | 2018-12-19 | 2019-02-22 | 威海万华镁业有限公司 | A kind of novel cooling means applying to magnesium alloy semi-continuous casting and device |
| CN113275528A (en) * | 2021-05-25 | 2021-08-20 | 东北大学 | Liquid guiding device and method for stable flow control in magnesium alloy semi-continuous casting process |
| CN115369338A (en) * | 2022-08-19 | 2022-11-22 | 内蒙古工业大学 | Magnesium alloy surface toughening equipment |
| CN117000955A (en) * | 2023-09-28 | 2023-11-07 | 鄂尔多斯应用技术学院 | Magnesium-matched metallurgical device for rare earth magnesium-based hydrogen storage alloy tundish |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468385A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七二五研究所 | Molten metal linkage conveyer device for preparing metal powder and casting part |
| CN103624237A (en) * | 2013-12-16 | 2014-03-12 | 河南理工大学 | Magnesium alloy counter-gravity casting device and method |
| CN104550805A (en) * | 2015-02-08 | 2015-04-29 | 东北大学 | Device and method for preparing magnesium alloy ingot blank for deformation |
| CN206794702U (en) * | 2017-05-26 | 2017-12-26 | 威海万华镁业有限公司 | A kind of magnesium alloy semi-continuous casting device |
-
2017
- 2017-05-26 CN CN201710383894.0A patent/CN107030265A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468385A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七二五研究所 | Molten metal linkage conveyer device for preparing metal powder and casting part |
| CN103624237A (en) * | 2013-12-16 | 2014-03-12 | 河南理工大学 | Magnesium alloy counter-gravity casting device and method |
| CN104550805A (en) * | 2015-02-08 | 2015-04-29 | 东北大学 | Device and method for preparing magnesium alloy ingot blank for deformation |
| CN206794702U (en) * | 2017-05-26 | 2017-12-26 | 威海万华镁业有限公司 | A kind of magnesium alloy semi-continuous casting device |
Non-Patent Citations (2)
| Title |
|---|
| XINGRUI CHEN ET AL: "Variable-Frequency Ultrasonic Treatment on Microstructure and Mechanical Properties of ZK60 Alloy during Large Diameter Semi-Continuous Casting", 《METALS》 * |
| 朱苗勇: "《现代冶金工艺学 钢铁冶金卷》", 30 June 2011, 冶金工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405011A (en) * | 2018-03-06 | 2018-08-17 | 于越 | multifunctional biological experiment platform |
| CN108405011B (en) * | 2018-03-06 | 2021-01-15 | 广东中智源实验室装备制造有限公司 | Multifunctional biological experiment table |
| CN109365764A (en) * | 2018-12-19 | 2019-02-22 | 威海万华镁业有限公司 | A kind of novel cooling means applying to magnesium alloy semi-continuous casting and device |
| CN113275528A (en) * | 2021-05-25 | 2021-08-20 | 东北大学 | Liquid guiding device and method for stable flow control in magnesium alloy semi-continuous casting process |
| CN115369338A (en) * | 2022-08-19 | 2022-11-22 | 内蒙古工业大学 | Magnesium alloy surface toughening equipment |
| CN115369338B (en) * | 2022-08-19 | 2023-01-24 | 内蒙古工业大学 | Magnesium alloy surface toughening equipment |
| CN117000955A (en) * | 2023-09-28 | 2023-11-07 | 鄂尔多斯应用技术学院 | Magnesium-matched metallurgical device for rare earth magnesium-based hydrogen storage alloy tundish |
| CN117000955B (en) * | 2023-09-28 | 2023-12-08 | 鄂尔多斯应用技术学院 | Magnesium-matched metallurgical device for rare earth magnesium-based hydrogen storage alloy tundish |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206794702U (en) | A kind of magnesium alloy semi-continuous casting device | |
| CN107030265A (en) | A kind of magnesium alloy semi-continuous casting device and method | |
| CN102039394B (en) | Low-pressure casting liquid level suspension control method and device | |
| CN204867366U (en) | Multi -functional high gradient vacuum induction directional solidification single crystal casting stove | |
| CN101706205A (en) | Pressure-flow-type magnesium alloy smelting heat insulating furnace | |
| CN204058565U (en) | For the refrigerating unit of vacuum consumable electrode arc furnace water jacket type crystallizer | |
| CN107363252A (en) | The flow control device and method of Cleanliness of Molten Steel in a kind of raising casting process | |
| CN104014752B (en) | A kind of semicontinuous many ingot casting casting systems of vertical direct water-cooling | |
| CN108393450A (en) | A kind of tundish hello steel band device and method | |
| CN101570828B (en) | Energy saving two-stage electroslag refining system capable of outputting molten metal | |
| CN219010411U (en) | Full-vacuum large-size electroslag remelting device | |
| CN201748796U (en) | Half-continuous vacuum smelting furnace | |
| CN204648921U (en) | A kind of natural gas cupola | |
| CN116441501A (en) | Vacuum horizontal continuous casting and die casting device | |
| CN202123223U (en) | Calcium ingot smelting and pouring system | |
| CN102974794B (en) | Device and method for reducing superheat degree of molten steel of continuous casting ladle or intermediate ladle | |
| CN104117662B (en) | The closed tundish of Ni-based ultrafine powder vacuum melting horizontal continuous casting | |
| CN204052870U (en) | The closed tundish of Ni-based ultrafine powder vacuum melting horizontal continuous casting | |
| CN215315588U (en) | Horizontal continuous casting furnace set for red copper bar blank | |
| CN205496532U (en) | Vertical multithread vacuum high temperature alloy continuous casting device | |
| CN212682434U (en) | Nitrogen protection device in water atomization metal powder pouring process | |
| CN207026469U (en) | The flow control device of Cleanliness of Molten Steel in a kind of raising casting process | |
| CN110548840B (en) | Device and method for adding heating solid-state protecting slag into crystallizer in continuous casting process | |
| CN105081246A (en) | Continuous feeding device and method for molten covering slag for continuous casting crystallizer | |
| CN112743057A (en) | Horizontal continuous casting furnace set for red copper bar blank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170811 |
|
| WD01 | Invention patent application deemed withdrawn after publication |