CN109556401A - A kind of orientation drawing discharging formula vacuum melting furnace - Google Patents
A kind of orientation drawing discharging formula vacuum melting furnace Download PDFInfo
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- CN109556401A CN109556401A CN201811368490.5A CN201811368490A CN109556401A CN 109556401 A CN109556401 A CN 109556401A CN 201811368490 A CN201811368490 A CN 201811368490A CN 109556401 A CN109556401 A CN 109556401A
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- Prior art keywords
- discharge nozzle
- crucible
- vacuum melting
- crystallisation chamber
- melting furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten material
- F27D3/145—Runners therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
- F27B2014/045—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0818—Discharging
Abstract
The invention discloses a kind of orientation drawing discharging formula vacuum melting furnaces, including the furnace body with vacuum suction mouth, crucible is set in furnace body, load coil is located at outside crucible, the thrustor of output end upward is arranged in furnace interior bottom surface, the output end of thrustor is contacted with crucible bottom, crucible bottom setting runs through the discharge nozzle of crucible, drawing bar is set in discharge nozzle, crystallisation chamber is set below furnace body, water cooling box is arranged in crystallisation chamber inside top surface, discharge nozzle is passed through from water cooling box, and the bottom end of discharge nozzle is pierced by crystallisation chamber from crystallisation chamber bottom surface, crystallization head is fixedly connected at the top of drawing bar, crystallization head is up-small and down-big cone, it crystallizes head surface and spiral groove is set;It further include the spacing block positioned at furnace interior, crucible is placed on spacing block.Secondary moulding is often wanted when the present invention is to solve the problems, such as industrial silicon use in the prior art, is realized the one-pass molding in Vacuum Melting, is not necessarily to secondary moulding, reduces the purpose of cost.
Description
Technical field
The present invention relates to vacuum melting furnace fields, and in particular to a kind of orientation drawing discharging formula vacuum melting furnace.
Background technique
Vacuum melting refers to the extraordinary melting technique for carrying out melting under vacuum conditions.Mainly include vacuum induction melting,
Vacuum arc remelting and electron-beam smelting.With developing by leaps and bounds for modern science and technology, especially opened along with aerospace, ocean
The rapid progression of hair, energy development and electronics industry, to the kind of metal material or nonmetallic materials, yield, especially quality
Propose increasingly higher demands.Vacuum melting needs carry out in vacuum melting furnace, for the melting of industrial silicon, are all
Molding casting is obtained by carrying out pouring in mold after melting, however this mode can not directly obtain profile, only
It is able to satisfy the production of existing silica brick, when needing the industrial silicon using specially-shaped, also wants secondary moulding, cost is caused to increase effect
Rate is low.
Summary of the invention
The purpose of the present invention is to provide a kind of orientation drawing discharging formula vacuum melting furnaces, industrial in the prior art to solve
The problem of secondary moulding is often wanted when silicon use, realize in Vacuum Melting one-pass molding, be not necessarily to secondary moulding, reduce at
This purpose.
The present invention is achieved through the following technical solutions:
Crucible is arranged in furnace body including the furnace body with vacuum suction mouth in a kind of orientation drawing discharging formula vacuum melting furnace,
Load coil is located at outside the crucible, the thrustor of the furnace interior bottom surface setting output end upward, the pushing tow
The output end of device is contacted with crucible bottom, and the crucible bottom setting runs through the discharge nozzle of crucible, setting in the discharge nozzle
Drawing bar, the cross section of the drawing bar and the cross section of the discharge nozzle match, and crystallisation chamber, institute are arranged below the furnace body
Crystallisation chamber inside top surface setting water cooling box is stated, the discharge nozzle passes through from water cooling box, and the bottom end of discharge nozzle is from crystallisation chamber bottom
Face is pierced by crystallisation chamber, and crystallization head is fixedly connected at the top of the drawing bar, and the crystallization head is up-small and down-big cone, crystallizes head table
Spiral groove is arranged in face;It further include the spacing block positioned at furnace interior, the crucible is placed on spacing block.
Aiming at the problem that often wanting secondary moulding when industrial silicon use in the prior art, the present invention proposes a kind of orientation drawing
Discharging formula vacuum melting furnace, the furnace body of vacuum melting furnace is with vacuum suction mouth, for keeping furnace interior in fusion process
Vacuum state heats crucible by load coil, to carry out melting in crucible.Thrustor is arranged in furnace body
Portion bottom surface, output end are contacted with crucible bottom, therefore can jack up crucible upwards by thrustor, so that crucible is transported upwards
It is dynamic.The discharge nozzle for running through crucible is arranged in crucible bottom, and drawing bar is arranged in the discharge nozzle, and the cross section of drawing bar leads to described
The cross section in hole matches, and is so that drawing bar can be filled with discharge nozzle on cross section, while drawing bar again can be
It is moved in discharge nozzle.The cross section refers to the section perpendicular to drawing bar or discharge nozzle axis.Crystallisation chamber is set below furnace body,
Water cooling box is arranged in crystallisation chamber inside top surface, water-cooled cooling is carried out to discharge nozzle by water cooling box, since discharge nozzle is from water cooling box
It passes through, and the bottom end of discharge nozzle is pierced by crystallisation chamber from crystallisation chamber bottom surface, therefore the temperature gradient of discharge nozzle in the axial direction is very big,
It is induction heated that coil heats temperature is very high positioned at the discharge nozzle of furnace interior, and the discharge nozzle temperature being located at outside water cooling box is significant
It reduces, so that be drawn the liquid-state silicon that bar is driven in discharge nozzle rapid crystallization can form in a very short period of time.Drawing
Crystallization head is fixedly connected at the top of bar, the crystallization head is up-small and down-big cone, avoids liquid forming core and ingot casting on crystallization head
Crystallization head is scratched, while increasing the contact area between crystallization head and the liquid being drawn, increases surface tension, to improve drawing
The drawing ability of bar.It crystallizing head surface and spiral groove is set, spiral groove is the groove body that helically line is distributed on crystallization head,
Being made in drawing bar folding process by spiral groove, liquid can not only flow downward in discharge nozzle under the effect of gravity,
Also suffer from spiral groove it is downward pull power, along spiral groove rapid rundown, liquid is provided by spiral groove
Guidance and traction, it is ensured that liquid is filled in always outside crystallization head, avoids evacuating, it is ensured that form the stable structure of silicon member and continuous
Property.It further include the spacing block positioned at furnace interior, the crucible is placed on spacing block, and the spacing block is preferably heat-barrier material
It is made, avoids crucible heat from being directly delivered to furnace body bottom surface and be transferred to crystallisation chamber influence crystalline rate again.The present invention is specific
In use, the silicon profile shapes that the cross-sectional shape of discharge nozzle obtains as needed are configured, be such as provided in round, be rectangular,
Polygon etc. is reconfigured the drawing bar to match with discharge nozzle cross section.After the completion of melting heating, into furnace body
Portion is filled with argon gas, unloads the vacuum state of furnace interior, so that furnace body inside and outside air pressure balance, pulls downward on drawing bar later, draws
Dead man is moved down along discharge nozzle, is aspirated to the liquid melted in crucible, drive liquid gradually fill with discharge nozzle and to flow down
It is dynamic, when liquid flows to water cooling box present position, it is water cooled case and forces cooling, liquid is complete within the short time by crystallisation chamber
At solidification, is finally exported with drawing bar from the bottom end of discharge nozzle, obtain the industrial silicon material of specified cross-section shape.Drawing bar moves down
In the process, additionally it is possible to push crucible to move up by thrustor, increase the relative displacement between crucible and drawing bar, to improve
The length of silicon material acquired in one-pass molding.The silicon material of acquisition only needs to carry out length cutting when in use, makes without secondary
Type has greatly saved cost, improves service efficiency, improves the molding comfort level of industrial silicon vacuum smelting, compared to
The prior art has substantive distinguishing features outstanding and significant progress.
Preferably, groove is arranged in the crucible bottom surface, and the output end of the thrustor is located in groove.Ensure that pushing tow fills
Set the stabilization pushed crucible when moving up and continuous.
Preferably, the crystallisation chamber fills heat-conducting silicone grease by metal plate around forming in crystallisation chamber.Heat-conducting silicone grease and metal
Plate all has good heating conduction, overflows so that the heat being transmitted in discharge nozzle quickly dissipates outward, heat build-up is avoided to exist
The cooling effect that water cooling box is influenced in crystallisation chamber improves water cooling box to the pressure cooling effect of liquid.
Preferably, water inlet pipe, outlet pipe are connected on the water cooling box, the water inlet pipe, outlet pipe all extend to crystallisation chamber
It is external.Cooling water is continually fed into water cooling box by water inlet pipe when use, and is discharged from outlet pipe, so that water
The efficient cooling water flow of circulation is formed in ice chest, it is ensured that can also guarantee to force cooling effect in slow drawing process, into one
Step improves stability in use and reliability of the invention.
Preferably, it is arranged silica gel sheath cylinder outside the discharge nozzle, the silica gel sleeve is fixed on bottom of furnace body.Silica gel sleeve is same
Sealing performance between raising discharge nozzle and bottom of furnace body, while discharge nozzle is protected, avoid discharge nozzle physics impaired.
Preferably, the bottom surface of the discharge nozzle is flushed with the bottom surface of the crystallisation chamber, is arranged sealing ring outside discharge nozzle, described
Sealing ring is fixedly connected with water cooling box bottom surface.Sealing ring is to ensure the leakproofness between water cooling box and discharge nozzle.
Preferably, several layers heat insulating mattress is arranged in the furnace interior bottom surface, is detachably connected between adjacent two layers heat insulating mattress,
The spacing block is placed on heat insulating mattress.Spacing block height can be raised by several heat insulating mattress, to raise crucible in furnace body
Internal height, so as to which longer discharge nozzle is arranged, to meet the length requirement of longer one-pass molding silicon material, further
Improve the scope of application of the invention.The heat that crucible is transferred to crystallisation chamber is further decreased simultaneously.
Preferably, the drawing bar top side detachable connects piston body, and the crystallization head is located at piston body far from drawing bar
One end.It is using piston body as piston, to form the piston structure for stablizing suction using discharge nozzle as plunger shaft, draw in this programme
Dead man, which moves down, drives piston body to move down in discharge nozzle, to carry out stablizing suction to the liquid of thawing, further decreases evacuation
Possibility improves the structural continuity of the molding silicon material of cast.
Further, the crystallization head by being made following weight percentage components: 20~30% iron, 8%~
10% silicon, 8%~10% rare-earth mineral, 4%~6% quartz, 10%~13% copper, 2%~3% beryllium, 2%~
3% titanium, 6%~8% zirconium, 5%~6% manganese, remaining is aluminium.Guaranteed enough in this component using iron, silicon, copper, aluminium
Hardness and quality, heating conduction is significantly reduced using quartz, and be added to quartz, during this component alloy smelting
Globality and stability on microcosmic between each component is greatly improved in quartzy recrystallization process, compared to existing technologies, every
There is significant progress in terms of thermal insulation.Beryllium element improves corrosion resistance for improving mechanical performance.The effect of titanium is protecting
The global density of this alloy is reduced in the case where card intensity.Zirconium plays the role of deoxidation, denitrogenates, desulfuration, while greatly improving
Heat resistanceheat resistant wave impact property allows the invention to be suitable for use under vacuum melting furnace internal high temperature high-heat environment.The effect of manganese
It is to improve hardness, elastic limit, wearability and corrosion resistance.This programme is the conjunction researched and developed exclusively for industrial silicon vacuum smelting
Golden component can greatly improve the service life of crystallization head, reduce replacement frequency, save the cost for manufacturing crystallization head.
Preferably, the weight ratio of the quartz and the iron is 1:5.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of orientation drawing discharging formula vacuum melting furnace of the present invention, what the cross-sectional shape of discharge nozzle obtained as needed
Silicon profile shapes are configured, and drawing bar is moved down along discharge nozzle, are aspirated to the liquid melted in crucible, drive liquid by
It gradually fills discharge nozzle and flows downward, when liquid flows to water cooling box present position, be water cooled case and force cooling, liquid is logical
It crosses and completes solidification in the short time of crystallisation chamber, finally exported with drawing bar from the bottom end of discharge nozzle, obtain specified cross-section shape
Industrial silicon material.In drawing bar folding process, additionally it is possible to push crucible to move up by thrustor, increase crucible and drawing bar it
Between relative displacement, to improve the length of silicon material acquired in one-pass molding.
2, crystallisation chamber, top inside crystallisation chamber is arranged in a kind of orientation drawing discharging formula vacuum melting furnace of the present invention, furnace body lower section
Water cooling box is arranged in face, carries out water-cooled cooling to discharge nozzle by water cooling box, since discharge nozzle is passed through from water cooling box, and discharge nozzle
Bottom end be pierced by crystallisation chamber from crystallisation chamber bottom surface, therefore the temperature gradient of discharge nozzle in the axial direction is very big, is located at furnace interior
The discharge nozzle discharge nozzle temperature that is induction heated that coil heats temperature is very high, and is located at outside water cooling box significantly reduce, to make
Be drawn the liquid-state silicon that bar is driven in discharge nozzle and rapid crystallization can form in a very short period of time.
3, a kind of orientation drawing discharging formula vacuum melting furnace of the present invention, makes drawing bar folding process by spiral groove
In, liquid can not only flow downward in discharge nozzle under the effect of gravity, also suffer from spiral groove it is downward pull power, edge
Spiral groove rapid rundown, by spiral groove to liquid provide guidance and traction, it is ensured that liquid is filled in knot always
It outside crystal-tipped, avoids evacuating, it is ensured that form the stable structure and continuity of silicon member.
4, a kind of orientation drawing discharging formula vacuum melting furnace of the present invention, the silicon material of acquisition only need to carry out long be chopped when in use
It cuts, is not necessarily to secondary moulding, has greatly saved cost, improved service efficiency, improve industrial silicon vacuum smelting molding
Comfort level.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention 1;
Fig. 2 is the structural schematic diagram under 2 working condition of the specific embodiment of the invention;
Fig. 3 is the structural schematic diagram that head is crystallized in the specific embodiment of the invention.
Label and corresponding parts title in attached drawing:
1- furnace body, 2- are sucked by vacuum mouth, 3- crucible, 4- thrustor, 5- discharge nozzle, 6- drawing bar, 7- crystallisation chamber, 8- water
Ice chest, 9- spacing block, 10- crystallize head, 11- spiral groove, 12- heat-conducting silicone grease, 13- water inlet pipe, 14- outlet pipe, 15- silica gel sheath
Cylinder, 16- sealing ring, 17- heat insulating mattress, 18- piston body, 19- load coil.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
A kind of orientation drawing discharging formula vacuum melting furnace as shown in Figure 1, including the furnace body 1 with vacuum suction mouth 2, furnace
Crucible 3 is set in body 1, and load coil 19 is located at outside the crucible 3, and 1 inner bottom surface of the furnace body setting output end is upward
Thrustor 4, the output end of the thrustor 4 contacts with 3 bottom of crucible, and 3 bottom of the crucible setting is through crucible 3
Discharge nozzle 5, the discharge nozzle 5 is interior to be arranged drawing bar 6, the cross section phase of the cross section of the drawing bar 6 and the discharge nozzle 5
Match, crystallisation chamber 7 is set below the furnace body 1,7 inside top surface of crystallisation chamber is arranged water cooling box 8, and the discharge nozzle 5 is from water cooling
It is passed through in case 8, and the bottom end of discharge nozzle 5 is pierced by crystallisation chamber 7 from 7 bottom surface of crystallisation chamber, is fixedly connected with crystallization at the top of the drawing bar 6
First 10, the crystallization head 10 is up-small and down-big cone, and spiral groove 11 is arranged in crystallization 10 surface of head;It further include being located at furnace body 1
Internal spacing block 9, the crucible 3 are placed on spacing block 9.There are two the present embodiment discharge nozzles 5, therefore corresponding drawing
Bar, crystallisation chamber, water cooling box all there are two.
Embodiment 2:
A kind of orientation drawing discharging formula vacuum melting furnace as shown in Figure 1 to Figure 3, on the basis of embodiment 1, the earthenware
Groove is arranged in 3 bottom surface of crucible, and the output end of the thrustor 4 is located in groove.The crystallisation chamber 7 is surrounded by metal plate and is formed,
Heat-conducting silicone grease 12 is filled in crystallisation chamber 7.Water inlet pipe 13, outlet pipe 14, the water inlet pipe 13, water outlet are connected on the water cooling box 8
Pipe 14 all extends to outside crystallisation chamber 7.It is arranged silica gel sheath cylinder 15 outside the discharge nozzle 5, the silica gel sleeve 15 is fixed on furnace body 1
Bottom.The bottom surface of the discharge nozzle 5 is flushed with the bottom surface of the crystallisation chamber 7, and sealing ring 16, the sealing are arranged outside discharge nozzle 5
Circle 16 is fixedly connected with 8 bottom surface of water cooling box.Several layers heat insulating mattress 17, adjacent two layers heat insulating mattress is arranged in 1 inner bottom surface of furnace body
It is detachably connected between 17, the spacing block 9 is placed on heat insulating mattress 17.6 top side detachable of drawing bar connects piston body
18, the crystallization head 10 is located at the one end of piston body 18 far from drawing bar 6.
Embodiment 3:
A kind of orientation drawing discharging formula vacuum melting furnace as shown in Figure 1 to Figure 3, on the basis of any of the above-described embodiment
On, it is described crystallization head 10 by being made following weight percentage components: 20~30% iron, 8%~10% silicon, 8%
~10% rare-earth mineral, 4%~6% quartz, 10%~13% copper, 2%~3% beryllium, 2%~3% titanium, 6%
~8% zirconium, 5%~6% manganese, remaining is aluminium.The weight ratio of the quartz and the iron is 1:5.
Following table gives the asynchronous contrast difference of each component content in crystallization head:
As can be seen from the above table, the made crystallization head of component provided by the present invention, thermal coefficient are compared
For conventional alloys easily seventy or eighty thermal coefficients even up to a hundred, having significantly is reduced.Also, in addition quartz
It is afterwards even more the extremely low degree that can reduce.Also, the accounting of each component is matched according to the range gone out given in the present embodiment
Than can more significantly reduce thermal coefficient, there is substantive distinguishing features outstanding and marked improvement compared to the prior art.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
- The formula vacuum melting furnace 1. a kind of orientation drawing discharges is set in furnace body (1) including the furnace body (1) with vacuum suction mouth (2) It sets crucible (3), load coil (19) is located at the crucible (3) outside, which is characterized in that furnace body (1) inner bottom surface is set The thrustor (4) of output end upward is set, the output end of the thrustor (4) is contacted with crucible (3) bottom, the crucible (3) bottom setting runs through the discharge nozzle (5) of crucible (3), drawing bar (6) is arranged in the discharge nozzle (5), the drawing bar (6) Cross section and the cross section of the discharge nozzle (5) match, crystallisation chamber (7) are set below the furnace body (1), the crystallisation chamber (7) inside top surface setting water cooling box (8), the discharge nozzle (5) passes through from water cooling box (8), and the bottom end of discharge nozzle (5) is from knot Brilliant room (7) bottom surface is pierced by crystallisation chamber (7), and crystallization head (10) is fixedly connected at the top of the drawing bar (6), and the crystallization head (10) is Up-small and down-big cone, crystallization head (10) surface setting spiral groove (11);It further include the spacing block internal positioned at furnace body (1) (9), the crucible (3) is placed on spacing block (9).
- The formula vacuum melting furnace 2. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the crucible (3) Groove is arranged in bottom surface, and the output end of the thrustor (4) is located in groove.
- The formula vacuum melting furnace 3. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the crystallisation chamber (7) heat-conducting silicone grease (12) are filled in crystallisation chamber (7) around forming by metal plate.
- The formula vacuum melting furnace 4. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the water cooling box (8) water inlet pipe (13), outlet pipe (14) are connected on, the water inlet pipe (13), outlet pipe (14) all extend to crystallisation chamber (7) outside Portion.
- The formula vacuum melting furnace 5. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the discharge nozzle (5) it is arranged silica gel sheath cylinder (15) outside, the silica gel sleeve (15) is fixed on furnace body (1) bottom.
- The formula vacuum melting furnace 6. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the discharge nozzle (5) bottom surface is flushed with the bottom surface of the crystallisation chamber (7), is arranged sealing ring (16) outside discharge nozzle (5), the sealing ring (16) with Water cooling box (8) bottom surface is fixedly connected.
- The formula vacuum melting furnace 7. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the furnace body (1) Several layers heat insulating mattress (17) are arranged in inner bottom surface, and adjacent two layers heat insulating mattress is detachably connected between (17), and the spacing block (9) is put It sets on heat insulating mattress (17).
- The formula vacuum melting furnace 8. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the drawing bar (6) top side detachable connection piston body (18), crystallization head (10) are located at the one end of piston body (18) far from drawing bar (6).
- The formula vacuum melting furnace 9. a kind of orientation drawing according to claim 1 discharges, which is characterized in that the crystallization head (10) by being made following weight percentage components: 20~30% iron, 8%~10% silicon, 8%~10% rare earth Mineral, 4%~6% quartz, 10%~13% copper, 2%~3% beryllium, 2%~3% titanium, 6%~8% zirconium, 5% ~6% manganese, remaining is aluminium.
- The formula vacuum melting furnace 10. a kind of orientation drawing according to claim 9 discharges, which is characterized in that the quartz with The weight ratio of the iron is 1:5.
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CN201150980Y (en) * | 2008-01-08 | 2008-11-19 | 上海大学 | Composite crystallizer device for continuous casting of titanium-nickel alloy |
CN102935506A (en) * | 2012-11-08 | 2013-02-20 | 哈尔滨工业大学 | Continuous suspension type directional solidification casting device of cold crucible |
CN203382512U (en) * | 2013-07-18 | 2014-01-08 | 青岛隆盛晶硅科技有限公司 | Directional solidification device capable of improving impurity removal effect during polycrystalline silicon directional solidification process |
CN205393483U (en) * | 2016-03-07 | 2016-07-27 | 黑龙江科技大学 | Compound crystallizer for titanium -nickel alloy continuous casting |
CN106111922A (en) * | 2016-06-28 | 2016-11-16 | 北京科技大学 | A kind of copper-coated aluminium composite material high efficiency continuous casting former and technique |
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2018
- 2018-11-16 CN CN201811368490.5A patent/CN109556401B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201150980Y (en) * | 2008-01-08 | 2008-11-19 | 上海大学 | Composite crystallizer device for continuous casting of titanium-nickel alloy |
CN102935506A (en) * | 2012-11-08 | 2013-02-20 | 哈尔滨工业大学 | Continuous suspension type directional solidification casting device of cold crucible |
CN203382512U (en) * | 2013-07-18 | 2014-01-08 | 青岛隆盛晶硅科技有限公司 | Directional solidification device capable of improving impurity removal effect during polycrystalline silicon directional solidification process |
CN205393483U (en) * | 2016-03-07 | 2016-07-27 | 黑龙江科技大学 | Compound crystallizer for titanium -nickel alloy continuous casting |
CN106111922A (en) * | 2016-06-28 | 2016-11-16 | 北京科技大学 | A kind of copper-coated aluminium composite material high efficiency continuous casting former and technique |
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