CN109604577A - Ultrasonic wave assisted casting melt filtration purification device - Google Patents
Ultrasonic wave assisted casting melt filtration purification device Download PDFInfo
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- CN109604577A CN109604577A CN201910088174.0A CN201910088174A CN109604577A CN 109604577 A CN109604577 A CN 109604577A CN 201910088174 A CN201910088174 A CN 201910088174A CN 109604577 A CN109604577 A CN 109604577A
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- Prior art keywords
- tundish
- filter
- ultrasonic
- vibration
- ultrasonic wave
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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
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
- C22B9/026—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves by acoustic waves, e.g. supersonic waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The present invention relates to Foundry Production technical field more particularly to a kind of ultrasonic wave auxiliary filters for being suitable for purification casting melt.The method of the present invention, comprising: smelting furnace, chute, tundish, bracket, sprue cup, casting mold or ingot mould；The chute is placed between the liquid outlet of smelting furnace and tundish；Intermediate package is on bracket；The tundish base opening of tundish bottom is located at the top of the sprue cup on casting mold or ingot mould top；It is characterized in that, the filtering and purifying further include: filter, vibration-sensing rod, amplitude transformer, ultrasonic transducer and ultrasonic vibration apparatus；Filter is loaded in tundish；One end of ultrasonic transducer is connected by amplitude transformer and vibration-sensing rod with bracket, and the other end is connected with ultrasonic vibration apparatus.Technical solution of the present invention can efficiently, deep layer remove field trash and the harmful substances such as gas in casting melt, and meeting the rigors of cleaning molten in Foundry Production, the present invention can be widely popularized in equal fields based on the above reasons.
Description
Technical field
The present invention relates to Foundry Production technical field more particularly to a kind of ultrasonic wave auxiliary for being suitable for purification casting melt
Filter device.
Background technique
For metallurgical casting industry, the defects of burning into sand, drop, non-metallic inclusion and stomata always with production phase
With and give birth to.Being mingled with is very important one kind in casting flaw, accounts for more than half of defect total amount, in all casting all
There may be this defect, only severity is different, to the standard of inclusion defect control mainly according to cast properties, purposes and
Fixed, accurate casting, the casting of rigorous service condition are stringenter to the limitation of inclusion defect, such as: automobile casting, engine
Casting, wind power casting, steam turbine casings, lathe casting etc..
In relation to the technology in terms of physical field removal of inclusions, data focuses mostly in terms of magnetic field.It can from existing document
It is using clean physical energy come refining molten metal using physics outfield aided filter technology with discovery, so as to avoid
The pollution of chemical cleaning method flux.It is inclined to promote field trash to generate using on single magnetic field or two kinds of variety classes magnetic field complex techniques
It is poly-, purification casting melt is realized achieving the purpose that remove field trash with this.Since the 21th century, at due to ultrasonic melt
Reason technology is a kind of method of physical treatment molten metal, has small to the destruction of environment, processed metal can be again
The features such as use, therefore ultrasonic wave melt processing techniques cause the extensive concern of countries in the world.It is related that high energy power is ultrasonic
Wave is applied to the application technology of casting melt filtration, and the data that can be used for reference is seldom, and the data that can uniquely look into is shown, the former Soviet Union was once
It is inserted into the metal bath above filter through ultrasonic activation is popped one's head in.This so-called ultrasonic wave auxiliary filter, it is real
Ultrasonication metal bath technology is still fallen in matter.Ultrasonic probe is directly applied to molten above filter by the technology
Body, processed metal bath pass through filter and are poured.
If we can directly act on ultrasonic activation on filter, it is allowed to generate high-frequency vibration, it is empty due to generating
Change effect, acoustic streaming effect and dither effect, then will so improve filter efficiency.Therefore, this patent proposes ultrasound
The imagination of wave physical field assisted casting melt filtration, the technology can realize the deep layer purification of casting melt, have efficient removal
The effect of field trash.
For it is above-mentioned the problems of in the prior art, a kind of novel ultrasonic wave assisted casting melt mistake of researching and designing
Filtering purifying apparatus, so that it is very necessary for overcoming the problems of in the prior art.
Summary of the invention
To be mingled be very important one kind in casting flaw according to set forth above, accounts for more than half of defect total amount,
All there may be this defect in all casting, the only different technical problem of severity, and it is auxiliary to provide a kind of ultrasonic wave
Help casting melt filtration purification device.The present invention provides a kind of device of ultrasonic wave assisted casting melt filtration purification, the device
The harmful substances such as field trash and the gas in casting melt can efficiently, deep layer be removed, are met in Foundry Production to play
The rigors of cleaning molten.
The technological means that the present invention uses is as follows:
A kind of ultrasonic wave assisted casting melt filtration purification device, comprising: smelting furnace, chute, tundish, bracket, cast gate
Cup, casting mold or ingot mould；The chute is placed between the liquid outlet of smelting furnace and tundish；Intermediate package is on bracket；In
Between wrap bottom tundish base opening be located at casting mold or ingot mould top sprue cup top；It is characterized in that, the filtering
Purification device further include: filter, vibration-sensing rod, amplitude transformer, ultrasonic transducer and ultrasonic vibration apparatus；During filter is loaded on
Between packet in；One end of ultrasonic transducer is connected by amplitude transformer and vibration-sensing rod with bracket, and the other end and ultrasonic activation fill
It sets and is connected.
Further, the material of filter is refractory fibre filter screen, in ceramic foam filter, straight-bore ceramic filter
It is one or more, and several layers can be stacked.
Further, the riding position of filter is at the bottom 1/2- of tundish height, and the height of filter is protected
It holds at least 5-10cm or more.
Further, the preheating temperature of the tundish containing filter is 400-1200 DEG C；Cast zinc alloy, aluminium alloy,
Magnesium alloy removes the limit；Cast steel, cast iron, cast titanium alloy capping.
Further, the ultrasonic power that ultrasonic vibration apparatus issues is 100-10000W；Ultrasonic frequency vibratory is
16-80kHz。
Further, ultrasonic activation is broadcast to filter by bracket, to make filter that high-frequency vibration, this shake occur
It is dynamic to be horizontally oriented, it is also possible to vertical direction.
The device of ultrasonic wave assisted casting melt filtration purification by adopting the above technical scheme, ultrasonic activation is acted on straight
It connects and acts on filter, other than using a ultrasonic wave that vibration device occurs, there are also other several similar ultrasonic waves to apply
Device mode is conducive to strengthen and improve molten respectively using Liang Tai, the ultrasonic wave complementary melt filter device of three and four
The effects of clean-up effect of body.
Compared with the prior art, the invention has the following advantages that
1, ultrasonic wave assisted casting melt filtration purification device provided by the invention, by being assisted with bracket and ultrasonic wave
The vibration-sensing rod of filter device is connected, and realizes the aided filter effect of the direct high-frequency vibration of filter, can effectively purify each
Field trash and gas in kind casting melt, reduction casting flaw；
2, ultrasonic wave assisted casting melt filtration purification device provided by the invention, it is simple possible, low in cost and be easy to
Operation；
3, ultrasonic wave assisted casting melt filtration purification device provided by the invention has energy-efficient, economic and environment-friendly, money
The features such as source regenerates.
In short, the present invention is by the direct application ultrasonic activation to filter, come improve it is previous apply indirectly lack
Point improves the filter efficiency of filter in use with this, promotes the degree of purity of casting melt, meet and wants in production
It asks.It is not only suitable for the various casting melts such as steel, aluminium, magnesium, copper, zinc, titanium and secondary metal, and there are also several
The different ultrasonic wave of kind assists applying mode.
To sum up, apply the technical scheme of the present invention the field trash and gas that can efficiently, deep layer remove in casting melt
Etc. harmful substances, meeting the rigors of cleaning molten in Foundry Production, the present invention can push away extensively in equal fields based on the above reasons
Extensively.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural representation that separate unit ultrasonic level of the present invention direction vibrates assisted casting melt filtration purification device
Figure.
Fig. 2 is the structural representation of separate unit ultrasonic wave vertical vibration assisted casting melt filtration purification device of the present invention
Figure.
Fig. 3 is the structural schematic diagram that support level direction of the present invention connects two ultrasonic wave auxiliary filters.
Fig. 4 is the structural schematic diagram that support vertical direction of the present invention connects two ultrasonic wave auxiliary filters.
Fig. 5 is the structural schematic diagram that support level direction of the present invention connects three ultrasonic wave auxiliary filters.
Fig. 6 is the structural schematic diagram that support level direction of the present invention connects four ultrasonic wave auxiliary filters.
In figure: 1, metal bath 2, smelting furnace 3, chute 4, tundish 5, bracket 6, filter 7, tundish base opening
8, sprue cup 9, casting mold or ingot mould 10, vibration-sensing rod 11, amplitude transformer 12, ultrasonic transducer 13, ultrasonic activation dress
It sets.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown, the gold the present invention provides a kind of ultrasonic wave assisted casting melt filtration purification device, in smelting furnace 2
After belonging to the fusing of melt 1, the graphite tundish 4 for laying filter 6 is poured into through chute 3；4 thing of tundish containing filter 6
First preheated；Tundish 4 takes out from preheating furnace rapidly before casting, is placed on bracket 5；Bracket 5 is fixed on super
On the end face of sound wave vibration-sensing rod 10, it is then turned on ultrasonic vibration apparatus 13；Metal bath 1 is poured into tundish 4, metal is molten
Body 1 passes through filter 6, flows out from tundish base opening 7, pours into solidification forming in casting mold or ingot mould 9 through sprue cup 8.
Ultrasonic transducer 12 occurs to vibrate and be directly passed to through amplitude transformer 11, vibration-sensing rod 10 and bracket 5 in the present invention
Tundish 4 containing filter 6, to make filter 6 that high-frequency vibration, (such as Fig. 1 that this vibration can be horizontally oriented occur
It is shown), it is also possible to (as shown in Figure 2) of vertical direction.Ultrasonic power is in 100-10000W；Ultrasonic frequency vibratory exists
16-40kHz。
The melt 1 that apparatus of the present invention may filter that includes all casting melts.Such as: cast steel, cast iron, cast zinc alloy,
Aluminium alloy, magnesium alloy, copper alloy and titanium alloy etc..The filter 6 placed in graphite tundish 4, can be refractory fibre
Filter screen, ceramic foam filter and straight-bore ceramic filter；And filter can stack several layers.The placement position of filter
It is set to the 1/2- bottom end of tundish height, filter height is maintained at least 5-10cm or more.Containing in filter
Between the preheating temperature wrapped be 400-1200 DEG C；Cast zinc alloy, aluminium alloy, magnesium alloy remove the limit；Cast steel, cast iron, cast titanium are closed
Golden capping.
Embodiment 1
It 1, is that raw material are prepared with fine aluminium, Al-20%Si intermediate alloy, Al-50%Mg and Al-50%Cu intermediate alloy
Al-Zn-Mg-Cu alloy 3kg carries out microalloy treatment using micro Zr and Ti, by prepared high strength alumin ium alloy former material
Material is placed in melting furnace 2, is fused into aluminum melt 1, and melt 1 is superheated to 750 DEG C；The aluminium alloy name being wherein configured to
Following (wt-%): the Zn=6.8% of ingredient；Mg=1.5%；Cu=1.0%；Zr and Ti is respectively 0.15%, 0.10%；Surplus
For Al.
2, layer glass fibrous filter net 6 is placed at 1/2 position of 4 height of graphitized mesophase packet, 6 top of filter screen is high
Degree is maintained at least 15cm.Tundish 4 containing filter screen 6 is preheated at 800 DEG C, by tundish 4 rapidly from pre- before casting
It takes out, is placed on bracket 5 in hot stove；Bracket 5 is fixed on the end face of ultrasonic variable amplitude bar 11 and vibration-sensing rod 10；It is then turned on
Ultrasonic vibration generator 13.Ultrasonic power is in 150W；Ultrasonic frequency vibratory is in 18kHz.
3, the Al-Zn-Mg-Cu alloy melt 1 melted, the graphite for laying two layers of filter screen 6 is poured into through chute 3
Matter tundish 4 is filtered.
4, the Al-Zn-Mg-Cu alloy melt 1 after the filtration of ultrasonic wave auxiliary is filtered out from tundish base opening 7, is poured through sprue cup 8
Enter solidification forming in casting mold (mold) 9.
Embodiment 2
1, ingredient is carried out according to component requirements to be put into the raw material 120kg prepared by taking the alloy of plain cast iron containing Ti as an example
It in the induction furnace 2 of fusing, is allowed to melt, and is superheated to 1380 DEG C；The chemical component for the alloy being configured to are as follows: C=3.6%,
Si=2.6%, P=0.07%, S=0.09%, Ti=0.2%.Carbon equivalent=4.4 are consequently belonging to hypereutectic cast iron.
2, by the melt of plain cast iron containing Ti 1 of melting, original place is kept the temperature in furnace, and temperature is made to be down to 1100 DEG C or so.
3, ceramic foam filter 6 is placed at 4/5 position of 4 height of tundish, 6 height of filter is maintained at
At least 35cm.The preheating temperature of tundish 4 containing filter 6 is 1000 DEG C, and tundish 4 is rapidly from preheating furnace before casting
It takes out, is placed on bracket 5；Bracket 5 is fixed on the end face of ultrasonic variable amplitude bar 11 and vibration-sensing rod 10；It is then turned on ultrasonic wave
Vibration machine 13.Ultrasonic power is in 2500W；Ultrasonic frequency vibratory is in 30kHz.
4, the hypereutectic cast iron melt 1 melted is slipped metal trough 3 and pours into the graphite containing ceramic foam filter 6
In matter tundish 4.
5, the filtering of molten cast iron is completed under ultrasonic activation auxiliary.Filtered molten cast iron 1 is from tundish base opening 7
It filters out, is poured into casting mold (mold) 9 through sprue cup 8.
Embodiment 3
It 1, is that raw material weighs about 50kg with steel scrap, a small amount of recycling iron scrap；The raw material prepared is put into induction furnace 2, is allowed to
Fusing, by decarburization and deoxidation treatment, is smelted into No. 35 steel melts 1, and be superheated to 1600 DEG C；It is configured to the chemistry of cast steel melt
Ingredient are as follows: C=0.36%, Si=0.25%, Mn=0.65%, S≤0.035%；P≤0.035%, Cr≤0.25%, Ni≤
0.25%, Cu≤0.25%.
2, by cast steel melt 1,30min is stood in 2 inside holding of induction furnace, holding temperature maintains 1580 DEG C；
3, straight-bore ceramic filter 6 is placed in the bottom position of 4 height of tundish, 6 height of filter is kept
In at least 20cm.The preheating temperature of tundish 4 containing filter 6 is 1100 DEG C, and tundish 4 is rapidly from preheating furnace before casting
Middle taking-up is placed on bracket 5；Bracket 5 is fixed on the end face of ultrasonic variable amplitude bar 11 and vibration-sensing rod 10；It is then turned on ultrasound
Wave vibration machine 13.Ultrasonic power is in 5000W；Ultrasonic frequency vibratory is in 25kHz.
4, No. 35 cast steel melts 1 melted, the graphite for being placed with straight-bore ceramic filter 6 is poured into through iron runner 3
In tundish 4.
5, the filtering of cast steel melt 1 is completed under ultrasonic activation auxiliary.Filtered cast steel melt 1 is from tundish base opening
7 filter out, and are poured into casting mold (mold) 9 through sprue cup 8.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of ultrasonic wave assisted casting melt filtration purification device, comprising: smelting furnace (2), chute (3), tundish (4), branch
Frame (5), sprue cup (8), casting mold or ingot mould (9)；The chute (3) is placed in the liquid outlet and tundish (4) of smelting furnace (2)
Between；Tundish (4) is loaded on bracket (5)；The tundish base opening (7) of tundish (4) bottom is located on casting mold or ingot mould (9)
The top of the sprue cup (8) in portion；
It is characterized in that, the filtering and purifying further include: filter (6), vibration-sensing rod (10), amplitude transformer (11), ultrasound
Wave transducer (12) and ultrasonic vibration apparatus (13)；
The filter (6) is loaded in tundish (4)；
One end of the ultrasonic transducer (12) is connected by amplitude transformer (11) and vibration-sensing rod (10) with bracket (5), separately
One end is connected with ultrasonic vibration apparatus (13).
2. ultrasonic wave assisted casting melt filtration purification device according to claim 1, which is characterized in that the filtering
The material of device (6) be one of refractory fibre filter screen, ceramic foam filter, straight-bore ceramic filter or a variety of, and
Several layers can be stacked.
3. ultrasonic wave assisted casting melt filtration purification device according to claim 2, which is characterized in that the filtering
The riding position of device (6) is at the bottom 1/2- of tundish (4) height, and the height of filter (6) is maintained at least 5-
10cm or more.
4. ultrasonic wave assisted casting melt filtration purification device according to claim 3, which is characterized in that described contains
The preheating temperature of the tundish (4) of filter (6) is 400-1200 DEG C.
5. ultrasonic wave assisted casting melt filtration purification device according to claim 1, which is characterized in that the ultrasound
The ultrasonic power that wave vibration device (13) issues is 100-10000W；Ultrasonic frequency vibratory is 16-80kHz.
6. ultrasonic wave assisted casting melt filtration purification device according to claim 1, which is characterized in that the bracket
(5) ultrasonic activation is broadcast to filter (6), to make filter (6) that high-frequency vibration occurs, this vibration can be level
Direction, it is also possible to vertical direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910088174.0A CN109604577A (en) | 2019-01-29 | 2019-01-29 | Ultrasonic wave assisted casting melt filtration purification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910088174.0A CN109604577A (en) | 2019-01-29 | 2019-01-29 | Ultrasonic wave assisted casting melt filtration purification device |
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| CN201910088174.0A Pending CN109604577A (en) | 2019-01-29 | 2019-01-29 | Ultrasonic wave assisted casting melt filtration purification device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475282A (en) * | 2020-12-21 | 2021-03-12 | 孔燕芳 | Device for separating molten impurities during separation and reduction of pig iron |
| CN112974744A (en) * | 2021-05-12 | 2021-06-18 | 中国航发北京航空材料研究院 | Manufacturing device and manufacturing method of aluminum alloy ingot |
| CN116984575A (en) * | 2023-09-26 | 2023-11-03 | 唐山非晶科技有限公司 | Bearing mechanism for amorphous strip production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475282A (en) * | 2020-12-21 | 2021-03-12 | 孔燕芳 | Device for separating molten impurities during separation and reduction of pig iron |
| CN112475282B (en) * | 2020-12-21 | 2022-06-10 | 江苏长实基业电气科技有限公司 | Device for separating molten impurities during separation and reduction of pig iron |
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| CN112974744B (en) * | 2021-05-12 | 2021-09-14 | 中国航发北京航空材料研究院 | Manufacturing device and manufacturing method of aluminum alloy ingot |
| CN116984575A (en) * | 2023-09-26 | 2023-11-03 | 唐山非晶科技有限公司 | Bearing mechanism for amorphous strip production |
| CN116984575B (en) * | 2023-09-26 | 2023-12-08 | 唐山非晶科技有限公司 | Bearing mechanism for amorphous strip production |
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