CN107150116A - A kind of method that electromagnetism regulation and control manufacture large-sized casting ingot from inoculation - Google Patents
A kind of method that electromagnetism regulation and control manufacture large-sized casting ingot from inoculation Download PDFInfo
- Publication number
- CN107150116A CN107150116A CN201710323426.4A CN201710323426A CN107150116A CN 107150116 A CN107150116 A CN 107150116A CN 201710323426 A CN201710323426 A CN 201710323426A CN 107150116 A CN107150116 A CN 107150116A
- Authority
- CN
- China
- Prior art keywords
- casting
- calutron
- ingot
- inovulant
- river
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/02—Use of electric or magnetic effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/62—Pouring-nozzles with stirring or vibrating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/12—Appurtenances, e.g. for sintering, for preventing splashing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The present invention relates to the method that a kind of regulation and control of electromagnetism manufacture large-sized casting ingot from inoculation, including：1) molten metal casting is using the two-phase conveying mouth of a river of Y shape, and the straight section outside at the two-phase conveying mouth of a river sets calutron I；Calutron II is set on the outside of ingot mould rising head；2) ingot mould and the preheating of the two-phase conveying mouth of a river before casting；3) argon gas is protected in casting cycle, when molten metal liquid level rises to 1/2~2/3 height of ingot mould inner chamber plus inovulant, while opening calutron I, when metal bath surface rises to ingot mould and emits mouth line height, opens calutron II；Calutron I and the equal low-frequency operation of calutron II；4) after the completion of casting, calutron I is closed, calutron II is adjusted to intermediate frequency operation by low-frequency operation, ingot mould rising head position is incubated using the joule heating effect in intermediate frequency magnetic field, to ingot solidification.The present invention can refine ingot solidification tissue, mitigate center segregation, center porosity be reduced, so as to improve the inside and outside quality of ingot casting.
Description
Technical field
The present invention relates to metal casting technique field, more particularly to large-sized casting ingot solidified structure and Decreasing Segregation neck
Domain.
Background technology
Heavy casting and forging is the basis of equipment manufacture development, is widely used in metallurgy, shipbuilding, defence and military, electric power, core
The key areas such as energy, skyscraper, petrochemical industry, in special steel, large forgings, special heavy plate and small lot military project steel products
There is irreplaceable advantage in production.It is applied to heavy casting and forging under extreme and particular surroundings more, therefore steel not only will
Seek high strength and ductility product, and the requirement to the defect such as tissue, homogeneity of ingredients and segregation, crackle is extremely strict.
Liquid metal solidification shaping is one of most important link in ingot casting production process, and solidified structure is to follow-up shaping
Process heredity in a organized way, composition is uniform, crystal grain is tiny, zero defect steel ingot (base) is the base for producing high performance steel and equipment
Plinth.Heavy castings and large forgings are big with ingot casting modulus, and the natural coagulation time is long, and the controlling difficulties of process of setting cause solidification group
Knit thick, the defect such as gross segregation, shrinkage cavity and porosity is serious.The especially steel grade such as the high mould steel of carbon equivalent, high-carbon steel, in
Heart segregation is to influence the subject matter of ingot quality.
Applying the technology in molding large-scale steel ingot solidified structure and center segregation control aspect at present has：1) water cooling steel ingot；
As disclosed in Patent No. CN104001878A Chinese patent " one kind has rising head steel ingot water cooling crystallization processes "；2) echelon is cooled down
Technology；" a kind of water for realizing steel ingot consecutive solidification, air-cooled steel ingot as disclosed in Patent No. CN102773424A Chinese patent
Mould and application "；3) electromagnetic agitation water cooled mo(u)ld technology；" electricity a kind of as disclosed in Patent No. CN102836971A Chinese patent
Magnetic stirs water cooled mo(u)ld and the method for pouring into a mould steel ingot ".But for the larger steel-casting of sectional dimension, by interface heat transfer it is difficult to reach
To rapid solidification, ingot casting is cooled down by improving outside intensity of cooling, the thermograde in ingot casting section can not be excessive, otherwise will produced
Crack defect.Positive thermograde of the echelon cooling for formation ecto-entad, it is ensured that consecutive solidification, makes shrinkage cavity be formed in rising head
In terms of be favourable, but cooling gradient and its dynamic control operability it is not strong.Electromagnetic agitation water cooled mo(u)ld teeming is in electricity
Strengthen the equalizing temperature in ingot mould under magnetic fields, by water cooled mo(u)ld augmentation of heat transfer, but it is still only by die wall interface
Heat transfer, intensity of cooling is extremely difficult to quick cooling.
Having technical staff to explore will accelerate cooling with promoting Nucleation to be combined, and steel in mould is promoted using the method for adding chill
The supercooling of liquid, the method for reducing interface heat transfer amount is " a kind of low partially as disclosed in Patent No. CN101234412A Chinese patent
" one kind suppresses large-scale steel ingot macroscopic view disclosed in analysis large-scale steel ingot manufacture method ", Patent No. CN101406937 Chinese patent
" built-in cold core and overhead electromagnetic field casting disclosed in the inner-cooling method of segregation ", Patent No. CN104259441A Chinese patent
Method of large-scale steel ingot " etc.；Positive and negative two can be realized to solidification by adding Quench body, cold core casting, and increase intensity of cooling changes
Kind central tissue, but distributing homogeneity, cold core and ingot casting Interface Microstructure uniformity and stress problem are difficult Quench body in the melt
Control.Therefore, positive and negative two how to be realized to solidification while ensureing riser feeding, both refines and homogenizes ingot solidification tissue, again
Center segregation is reduced, is a new direction.
The content of the invention
The invention provides the method that a kind of regulation and control of electromagnetism manufacture large-sized casting ingot from inoculation, ingot solidification can be refined
Tissue, mitigates center segregation, center porosity is reduced, so as to improve the inside and outside quality of ingot casting.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of method that electromagnetism regulation and control manufacture large-sized casting ingot from inoculation, comprises the following steps：
1) molten metal casting uses the two-phase conveying mouth of a river of Y shape, and its top feed mouthful at the two-phase conveying mouth of a river is respectively used to treat
Casting metals liquid and inovulant charging, and inovulant feed end sets charging control valve；Electricity is set on the outside of the straight section at the two-phase conveying mouth of a river
Magnetic device I；Calutron II is set on the outside of ingot mould rising head, calutron I and calutron II are variable-frequency electromagnetic device；
2) ingot mould and the preheating of the two-phase conveying mouth of a river before casting, and will treat that casting metals liquid melting to the degree of superheat is 30~50
℃；
3) argon gas is protected in casting cycle, and the molten metal in steel ladle is cast through the two-phase conveying mouth of a river into ingot mould, treats gold
When category liquid liquid level rises to 1/2~2/3 height of ingot mould inner chamber, the charging control valve of two-phase conveying mouth of a river inovulant feed end is opened,
Inovulant is at the uniform velocity added in ingot mould with molten metal, while opening calutron I；The low-frequency operation of calutron I, utilizes low-frequency magnetic
Field, which produces Stirring power, makes molten metal uniformly be mixed with inovulant and motion of spinning, contact of the extension inovulant with molten metal
Time, subcooling films, increase equiax crystal are formed, makes uniform distribution of temperature field；Treat that metal bath surface rises to ingot mould and emits mouth line height
When, calutron II, the low-frequency operation of calutron II, mixing effect of the reinforced metal liquid at rising head are opened, until casting
Journey terminates；
4) after the completion of casting, calutron I is closed, calutron II is adjusted to intermediate frequency operation by low-frequency operation, utilized
The joule heating effect in intermediate frequency magnetic field is incubated to ingot mould rising head position, to ingot solidification.
The frequency range when calutron I, II low-frequency operation of calutron is 0.1~100Hz, current range 0~
600A；The frequency range when intermediate frequency of calutron II is run is 100~1000Hz, 200~500A of current range.
The material of the inovulant is the solid particle same or like with institute casting metals liquid composition, specially diameter or
5~15mm of length of side spheroid, block or wire ball/metal dribbling, wherein the inovulant of spheroid, block is by small-sized ingot casting or company
Casting square billet cutting after rolling and pulling out is formed；Wire ball/metal dribbling is prepared by rapid solidification method.
The inovulant is first cleaned before, dry and the pre-heat treatment, is specially：Inovulant is through surface derusting, oil removing
After cleaning, be placed in vacuum drying box, at a temperature of 100~120 DEG C dry more than 24 hours, then with pure aluminum foil bag vacuum plastic sealing
It is standby.
According to the property of institute's casting metals liquid, it is determined that whether pulling down liquid level scum silica frost after the completion of casting, it is capped covering slag and covers
Lid agent.
Compared with prior art, the beneficial effects of the invention are as follows：
1) apparatus structure used is simple, and produce Stirring magnetic field using coil windings synthesizes with inovulant directed movement
After form screw, molten metal is uniformly mixed with inovulant, inovulant forms screw in molten metal, extension is bred
Agent and the time of contact of molten metal, subcooling films are formed, increase equiax crystal, and make uniform distribution of temperature field；
2) have a wide range of application, can be applied to the high-quality ingot casting casting of all kinds of materials and size；
3) in casting cycle, temperature and solute Distribution that not only can be balanced circumferential, while the circulation produced in radial direction
The temperature difference with edge in the middle of melt can be reduced, reduce segregation, increase equiax crystal, promote formation and the refinement crystalline substance of nearly equiax crystal
Grain, promotes inclusion floating, and then can reduce the strands such as hot tearing and gross segregation (ingot) defect, improves the interior expolasm of ingot casting
Amount.
4) compared with metallurgical process adds alloying element method, scaling loss amount is small, and recovery rate is low；Silk is fed with casting process, added
Steel ball method is compared, and electromagnetic field regulation and control are beneficial to solute homogenization；Compared with the strong cooling method of casting process, interface heat transfer is reduced
Amount, adds solute uniformity coefficient；Compared with Suspending Cast method, the Quench intensity of particle is big, and controllability is good.
Brief description of the drawings
Fig. 1 is the principle schematic for the method that a kind of electromagnetism regulation and control of the present invention manufacture large-sized casting ingot from inoculation.
Fig. 2 is the macrostructure photo of natural coagulation Al-Si alloy ingots in embodiment 2.
Fig. 3 is the macrostructure photo of electromagnetism regulation and control Al-Si alloy ingots from after inoculation in embodiment 2.
Fig. 4 is the metallographic structure photo of natural coagulation Al-Si alloy ingots in embodiment 2.
Fig. 5 is the metallographic structure photo of electromagnetism regulation and control Al-Si alloy ingots from after inoculation in embodiment 2.
In figure：1. the calutron I 6. of the 2. two-phase conveying mouth of a river 3. inovulant hopper, 4. charging control valve of steel ladle 5.
The ingot mould of calutron II 7.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, the method that a kind of electromagnetism regulation and control of the present invention manufacture large-sized casting ingot from inoculation, including it is as follows
Step：
1) molten metal casting uses the two-phase conveying mouth of a river of Y shape, and its top feed mouthful at the two-phase conveying mouth of a river is respectively used to treat
Casting metals liquid and inovulant charging, and inovulant feed end sets charging control valve；Electricity is set on the outside of the straight section at the two-phase conveying mouth of a river
Magnetic device I；Calutron II is set on the outside of ingot mould rising head, calutron I and calutron II are variable-frequency electromagnetic device；
2) ingot mould and the preheating of the two-phase conveying mouth of a river before casting, and will treat that casting metals liquid melting to the degree of superheat is 30~50
℃；
3) argon gas is protected in casting cycle, and the molten metal in steel ladle is cast through the two-phase conveying mouth of a river into ingot mould, treats gold
When category liquid liquid level rises to 1/2~2/3 height of ingot mould inner chamber, the charging control valve of two-phase conveying mouth of a river inovulant feed end is opened,
Inovulant is at the uniform velocity added in ingot mould with molten metal, while opening calutron I；The low-frequency operation of calutron I, utilizes low-frequency magnetic
Field, which produces Stirring power, makes molten metal uniformly be mixed with inovulant and motion of spinning, contact of the extension inovulant with molten metal
Time, subcooling films, increase equiax crystal are formed, makes uniform distribution of temperature field；Treat that metal bath surface rises to ingot mould and emits mouth line height
When, calutron II, the low-frequency operation of calutron II, mixing effect of the reinforced metal liquid at rising head are opened, until casting
Journey terminates；
4) after the completion of casting, calutron I is closed, calutron II is adjusted to intermediate frequency operation by low-frequency operation, utilized
The joule heating effect in intermediate frequency magnetic field is incubated to ingot mould rising head position, to ingot solidification.
The frequency range when calutron I, II low-frequency operation of calutron is 0.1~100Hz, current range 0~
600A；The frequency range when intermediate frequency of calutron II is run is 100~1000Hz, 200~500A of current range.
The material of the inovulant is the solid particle same or like with institute casting metals liquid composition, specially diameter or
5~15mm of length of side spheroid, block or wire ball/metal dribbling, wherein the inovulant of spheroid, block is by small-sized ingot casting or company
Casting square billet cutting after rolling and pulling out is formed；Wire ball/metal dribbling is prepared by rapid solidification method.
The inovulant is first cleaned before, dry and the pre-heat treatment, is specially：Inovulant is through surface derusting, oil removing
After cleaning, be placed in vacuum drying box, at a temperature of 100~120 DEG C dry more than 24 hours, then with pure aluminum foil bag vacuum plastic sealing
It is standby.
According to the property of institute's casting metals liquid, it is determined that whether pulling down liquid level scum silica frost after the completion of casting, it is capped covering slag and covers
Lid agent.
Large-scale a kind of electromagnetism regulation and control of the present invention manufacture the method for large-sized casting ingot at the two-phase conveying mouth of a river from inoculation
With calutron I is respectively provided with rising head, calutron II at rising head, 2 calutrons are by yoke group and are wrapped in magnetic
Coil composition in yoke group, yoke group is made up of the yoke back of the body and yoke end face.Electric power system include two-phase or three phase mains cabinet and
Frequency-conversion control cabinet, coil is by power interface by wire connecting power, and to be adapted to complicated working environment, the insulating barrier of wire should
High temperature resistant, it is anti-oxidant.The selection of calutron I and the running frequency of calutron II and the property of molten metal and cast ingot dimension phase
Close；Coil is passed through two-phase or three-phase alternating current, coil alive size be to influence the key factor of electromagnetic agitation effect.Enter
During row electromagnetic agitation, electromagnetism force direction can be changed by the position for exchanging any two-phase in power supply.
Following examples are implemented lower premised on technical solution of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments.Method therefor is such as without spy in following embodiments
It is conventional method not mentionlet alone bright.
【Embodiment 1】
As shown in figure 1, the ingot mould in the present embodiment selects spheroidal graphite cast-iron ingot mould, ingot mould is in 300 DEG C of temperature before casting
Lower preheating, is incubated 12 hours；The two-phase conveying mouth of a river is preheating to 1550 DEG C.
Casting steel grade is Q345B steel, mould design ingot weight 50kg, 1620 DEG C of smelting temperature, 1580 DEG C of cast temperature, it is contemplated that
Argon gas is protected in casting time 2min, casting cycle, and covering slag is spread in liquid level after having poured.
In order to ensure action time and the effect of electromagnetic field and inovulant, using two sections of electromagnetic fields, that is, two-phase is put on defeated
The calutron II 6 expected the calutron I 5 of mouth of a river straight section and put at ingot mould rising head.
The structural parameters of inovulant are provided by numerical simulation and the thermodynamics calculation results, and inovulant is and the same composition of mother liquor
Q345B blooms, cut into design size after the hot rolled annealing of continuous casting billet.Prevent from bringing exogenous impurity into, inovulant is first through table
Face derusting, oil removing cleaning after, in vacuum drying box at a temperature of 100 DEG C insulation drying 24 hours, then with pure aluminum foil bag vacuum plastic
Envelope is standby.
During casting, the Q345B molten steel in steel ladle is cast through the two-phase conveying mouth of a river into ingot mould, when molten steel is poured to steel ingot
When at the 1/2 of mold cavity height, charging control valve is opened, the Q345B blooms being stored in inovulant hopper are fed by inovulant
Mouth enters the two-phase conveying mouth of a river, and is flowed into molten steel in ingot mould；Now open agitating device I, the low frequency of calutron I fortune
OK, using low frequency magnetic field produce Stirring power molten steel is uniformly mixed with inovulant and motion of spinning, extend inovulant and
The time of contact of molten steel, subcooling films, increase equiax crystal are formed, makes uniform distribution of temperature field；Treat that liquid steel level rises to steel ingot
When mould emits mouth line height, the mixing effect at calutron II, the low-frequency operation of calutron II, reinforcing rising head is opened；Until pouring
Casting process terminates；The frequency range of above calutron low-frequency operation is 2~30Hz, and electric current is 100~500A.
After casting cycle terminates, calutron I is closed, calutron II is adjusted to intermediate frequency operation, magnetic by low-frequency operation
Field frequencies range scope is 100~1000Hz, and electric current is 400A~500A；Using the higher joule heating effect in intermediate frequency magnetic field to ingot mould
Top rising head position is incubated；Then liquid level scum silica frost is pulled down, then is capped coverture (coal dust), until ingot solidification.
【Embodiment 2】
As shown in figure 1, the ingot mould in the present embodiment selects graphite ingot mould, ingot mould is preheated at a temperature of 200 DEG C before casting, is protected
Temperature 12 hours；The two-phase conveying mouth of a river is preheated to 685 DEG C.
Casting metals are alusil alloy, design ingot weight 20kg, 800 DEG C of smelting temperature, 750 DEG C of cast temperature, casting cycle
Middle argon gas protection.
Inovulant material is alusil alloy fritter, and to prevent from bringing into exogenous impurity, inovulant is first true after removing surface
In empty drying baker at a temperature of 100 DEG C insulation drying 24 hours it is standby.
During casting, the aluminum-silicon alloy liquid in casting ladle is cast through the two-phase conveying mouth of a river into ingot mould, when aluminum-silicon alloy liquid pour to
When at the 1/2 of ingot mould cavity heights, charging control valve is opened, the alusil alloy fritter being stored in inovulant hopper is by inovulant
Charging aperture enters the two-phase conveying mouth of a river, and is flowed into aluminum-silicon alloy liquid in ingot mould；Now open agitating device I, electromagnetic installing
I low-frequency operation is put, producing Stirring power using low frequency magnetic field makes aluminum-silicon alloy liquid uniformly be mixed with inovulant and fortune of spinning
It is dynamic, the time of contact of extension inovulant and aluminum-silicon alloy liquid, subcooling films, increase equiax crystal are formed, makes thermo parameters method equal
It is even；When aluminum-silicon alloy liquid liquid level rises to ingot mould and emits mouth line height, unlatching calutron II, the low-frequency operation of calutron II, by force
Change the mixing effect at rising head；Until casting cycle terminates；The frequency range of above calutron low-frequency operation is 2~30Hz,
Electric current is 100~500A.
After casting cycle terminates, calutron I is closed, calutron II is adjusted to intermediate frequency operation, magnetic by low-frequency operation
Field frequencies range scope is 100~1000Hz, and electric current is 400A~500A；Using the higher joule heating effect in intermediate frequency magnetic field on ingot mould
Portion rising head position is incubated；Until Al-Si alloy ingots solidification.
Fig. 2 is the macrostructure photo of natural coagulation Al-Si alloy ingots, and Fig. 3 is electromagnetism regulation and control aluminium silicon from after inoculation
The macrostructure photo of alloy cast ingot, is contrasted from both as can be seen that regulating and controlling by electromagnetism from inoculation Al-Si alloy ingots
Tissue it is finer and close.
Fig. 4 is the metallographic structure photo of natural coagulation Al-Si alloy ingots, and Fig. 5 is electromagnetism regulation and control aluminium silicon from after inoculation
The metallographic structure photo of alloy cast ingot, electromagnetism regulation and control are can be seen that from the casting of inoculation alusil alloy from both metallographic structures
The crystal grain of ingot is in spherical or ellipsoid, and the AlSi that crystal boundary is separated out is compared to relatively fine, and overall structure refinement is uniform, segregation is coagulated more naturally
Gu Al-Si alloy ingots substantially mitigate.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of method that electromagnetism regulation and control manufacture large-sized casting ingot from inoculation, it is characterised in that comprise the following steps：
1) molten metal casting uses the two-phase conveying mouth of a river of Y shape, and its top feed mouthful at the two-phase conveying mouth of a river is respectively used to wait to cast
Molten metal and inovulant charging, and inovulant feed end sets charging control valve；Electromagnetic installing is set on the outside of the straight section at the two-phase conveying mouth of a river
Put I；Calutron II is set on the outside of ingot mould rising head, calutron I and calutron II are variable-frequency electromagnetic device；
2) ingot mould and the preheating of the two-phase conveying mouth of a river before casting, and will treat that casting metals liquid melting to the degree of superheat is 30~50 DEG C；
3) argon gas is protected in casting cycle, and the molten metal in steel ladle is cast through the two-phase conveying mouth of a river into ingot mould, treats molten metal
When liquid level rises to 1/2~2/3 height of ingot mould inner chamber, the charging control valve of two-phase conveying mouth of a river inovulant feed end is opened, will be pregnant
Educate agent at the uniform velocity to add in ingot mould with molten metal, while opening calutron I；The low-frequency operation of calutron I, is produced using low frequency magnetic field
Raw Stirring power makes molten metal uniformly be mixed with inovulant and motion of spinning, when extending contact of the inovulant with molten metal
Between, subcooling films, increase equiax crystal are formed, makes uniform distribution of temperature field；When metal bath surface rises to ingot mould and emits mouth line height,
Open calutron II, the low-frequency operation of calutron II, mixing effect of the reinforced metal liquid at rising head, until casting cycle knot
Beam；
4) after the completion of casting, calutron I is closed, calutron II is adjusted to intermediate frequency operation by low-frequency operation, intermediate frequency is utilized
The joule heating effect in magnetic field is incubated to ingot mould rising head position, to ingot solidification.
2. the method that a kind of electromagnetism regulation and control according to claim 1 manufacture large-sized casting ingot from inoculation, it is characterised in that
The frequency range when calutron I, II low-frequency operation of calutron is 0.1~100Hz, 0~600A of current range；Electromagnetism
The frequency range when intermediate frequency of device II is run is 100~1000Hz, 200~500A of current range.
3. the method that a kind of electromagnetism regulation and control according to claim 1 manufacture large-sized casting ingot from inoculation, it is characterised in that
The material of the inovulant is the solid particle same or like with institute casting metals liquid composition, specially diameter or the length of side 5~
15mm spheroid, block or wire ball/metal dribbling, wherein the inovulant of spheroid, block is by small-sized ingot casting or continuous casting square billet
Cutting is formed after rolling and pulling out；Wire ball/metal dribbling is prepared by rapid solidification method.
4. the method that a kind of electromagnetism regulation and control according to claim 1 manufacture large-sized casting ingot from inoculation, it is characterised in that
The inovulant is first cleaned before, dry and the pre-heat treatment, is specially：Inovulant is put after surface derusting, oil removing cleaning
In vacuum drying box, dried more than 24 hours at a temperature of 100~120 DEG C, then it is standby with pure aluminum foil bag vacuum plastic sealing.
5. the method that a kind of electromagnetism regulation and control according to claim 1 manufacture large-sized casting ingot from inoculation, it is characterised in that
According to the property of institute's casting metals liquid, it is determined that liquid level scum silica frost whether is pulled down after the completion of casting, capping covering slag and coverture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323426.4A CN107150116B (en) | 2017-05-10 | 2017-05-10 | A kind of method that electromagnetism regulation and control manufacture large-scale casting ingot from inoculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323426.4A CN107150116B (en) | 2017-05-10 | 2017-05-10 | A kind of method that electromagnetism regulation and control manufacture large-scale casting ingot from inoculation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107150116A true CN107150116A (en) | 2017-09-12 |
| CN107150116B CN107150116B (en) | 2018-11-06 |
Family
ID=59792771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323426.4A Active CN107150116B (en) | 2017-05-10 | 2017-05-10 | A kind of method that electromagnetism regulation and control manufacture large-scale casting ingot from inoculation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107150116B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967722A (en) * | 2019-03-31 | 2019-07-05 | 唐山学院 | The method and device of riser feeding is carried out to large-scale casting ingot using pulse electromagnetic field |
| CN110332800A (en) * | 2019-05-29 | 2019-10-15 | 徐州市金鑫科技有限公司 | It is a kind of for the multifunction electromagnetic working chamber of inovulant and its working method |
| CN113500183A (en) * | 2021-06-02 | 2021-10-15 | 维泰(南通)金属材料有限公司 | Method for improving die steel structure based on magnetic field |
| CN113787186A (en) * | 2021-08-25 | 2021-12-14 | 共享装备股份有限公司 | Casting ladle |
| CN114012069A (en) * | 2021-10-15 | 2022-02-08 | 胡克潮 | Channel type metal solid-liquid mixing injection device and suspension casting method thereof |
| CN114749616A (en) * | 2022-03-10 | 2022-07-15 | 上海大学 | Ingot mould for large-scale high-length-diameter ratio steel ingot and blank forming method |
| CN114833325A (en) * | 2022-05-12 | 2022-08-02 | 上海大学 | Modification treatment system and modification treatment method for die casting metal solidification structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU526443A1 (en) * | 1974-07-15 | 1976-08-30 | Предприятие П/Я М-5385 | The method of processing the crystallizing metal |
| JPH08267198A (en) * | 1995-03-28 | 1996-10-15 | Nisshin Steel Co Ltd | Production of high cleanliness steel |
| JP2004009064A (en) * | 2002-06-04 | 2004-01-15 | Jfe Steel Kk | Method for producing continuously cast slab |
| CN1772414A (en) * | 2004-11-10 | 2006-05-17 | 北京有色金属研究总院 | Composite electromagnetic stirring process of preparing semi-solid metal slurry continuously |
| CN101199989A (en) * | 2007-10-17 | 2008-06-18 | 江苏大学 | Method of continuous casting particulate reinforced metal matrix composites on different frequency multi-electromagnetic field |
| CN102133629A (en) * | 2011-03-01 | 2011-07-27 | 大连理工大学 | Light-alloy electromagnetic suspension casting device and method |
| CN104259441A (en) * | 2014-09-22 | 2015-01-07 | 辽宁科技大学 | Method for casting large-sized steel ingot with internally arranged cold core and top arranged electromagnetic field |
| WO2015188573A1 (en) * | 2014-06-10 | 2015-12-17 | 东北大学 | Continuous casting method and device with electromagnetic swirling nozzle |
| CN105215306A (en) * | 2015-10-28 | 2016-01-06 | 东北大学 | A kind of aluminum alloy semi-continuous casting device and method |
| KR20160134560A (en) * | 2015-05-14 | 2016-11-23 | 주식회사 한스코 | Apparatus and method for manufacturing ingot of titanium |
-
2017
- 2017-05-10 CN CN201710323426.4A patent/CN107150116B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU526443A1 (en) * | 1974-07-15 | 1976-08-30 | Предприятие П/Я М-5385 | The method of processing the crystallizing metal |
| JPH08267198A (en) * | 1995-03-28 | 1996-10-15 | Nisshin Steel Co Ltd | Production of high cleanliness steel |
| JP2004009064A (en) * | 2002-06-04 | 2004-01-15 | Jfe Steel Kk | Method for producing continuously cast slab |
| CN1772414A (en) * | 2004-11-10 | 2006-05-17 | 北京有色金属研究总院 | Composite electromagnetic stirring process of preparing semi-solid metal slurry continuously |
| CN101199989A (en) * | 2007-10-17 | 2008-06-18 | 江苏大学 | Method of continuous casting particulate reinforced metal matrix composites on different frequency multi-electromagnetic field |
| CN102133629A (en) * | 2011-03-01 | 2011-07-27 | 大连理工大学 | Light-alloy electromagnetic suspension casting device and method |
| WO2015188573A1 (en) * | 2014-06-10 | 2015-12-17 | 东北大学 | Continuous casting method and device with electromagnetic swirling nozzle |
| CN104259441A (en) * | 2014-09-22 | 2015-01-07 | 辽宁科技大学 | Method for casting large-sized steel ingot with internally arranged cold core and top arranged electromagnetic field |
| KR20160134560A (en) * | 2015-05-14 | 2016-11-23 | 주식회사 한스코 | Apparatus and method for manufacturing ingot of titanium |
| CN105215306A (en) * | 2015-10-28 | 2016-01-06 | 东北大学 | A kind of aluminum alloy semi-continuous casting device and method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967722A (en) * | 2019-03-31 | 2019-07-05 | 唐山学院 | The method and device of riser feeding is carried out to large-scale casting ingot using pulse electromagnetic field |
| CN110332800A (en) * | 2019-05-29 | 2019-10-15 | 徐州市金鑫科技有限公司 | It is a kind of for the multifunction electromagnetic working chamber of inovulant and its working method |
| CN113500183A (en) * | 2021-06-02 | 2021-10-15 | 维泰(南通)金属材料有限公司 | Method for improving die steel structure based on magnetic field |
| CN113787186A (en) * | 2021-08-25 | 2021-12-14 | 共享装备股份有限公司 | Casting ladle |
| CN114012069A (en) * | 2021-10-15 | 2022-02-08 | 胡克潮 | Channel type metal solid-liquid mixing injection device and suspension casting method thereof |
| CN114749616A (en) * | 2022-03-10 | 2022-07-15 | 上海大学 | Ingot mould for large-scale high-length-diameter ratio steel ingot and blank forming method |
| CN114833325A (en) * | 2022-05-12 | 2022-08-02 | 上海大学 | Modification treatment system and modification treatment method for die casting metal solidification structure |
| CN114833325B (en) * | 2022-05-12 | 2023-02-21 | 上海大学 | Modification treatment system and modification treatment method for die casting metal solidification structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107150116B (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107150116B (en) | A kind of method that electromagnetism regulation and control manufacture large-scale casting ingot from inoculation | |
| CN100566890C (en) | A kind of preparation of semi-solid alloy slurry and the equipment of rheoforging | |
| US10441999B2 (en) | Ultrasonic grain refining | |
| CN105108080B (en) | Suppress the Semi-continuous casting crystallizer and its using method of magnesium alloy ingot blank cracking | |
| CN101745629A (en) | Method for preparing semi-solid alloy rheological slurry or billet through annular-gap type electromagnetic stirring | |
| CN102133629A (en) | Light-alloy electromagnetic suspension casting device and method | |
| CN108746540A (en) | A kind of electromagnetic system prepares semi-solid forming method | |
| CN100554455C (en) | The preparation of semi-solid alloy slurry and forming method | |
| CN100532596C (en) | Method for preparing and rheologic molding semisolid alloy pulp | |
| WO2011127785A1 (en) | Casting device and method with solid-liquid phase area temperature as mold temperature | |
| CN102319881A (en) | Equipment and method for simultaneously preparing multiple round aluminum alloy ingots | |
| CN117245064A (en) | Process and equipment for controlling crystallization structure of integral casting roller | |
| BAI et al. | Annulus electromagnetic stirring for preparing semisolid A357 aluminum alloy slurry | |
| CN101733381A (en) | Magnetic pulse semi-continuous casting device and casting method | |
| CN100574939C (en) | A kind of preparation of semi-solid alloy slurry and shaped device | |
| CN101130207A (en) | Equipment for preparing semi-solid metal slurry and rheologic molding | |
| Zhou et al. | Forced convection rheomoulding process for semisolid slurry preparation and microstructure evolution of 7075 aluminum alloy | |
| CN107779696A (en) | A kind of multi-element alloyed aluminum alloy materials, cylinder jacket and preparation method thereof | |
| CN1208152C (en) | High-smelting point thixotropic metal bland and composite material intermittent preparing process and apparatus | |
| CN114749616A (en) | Ingot mould for large-scale high-length-diameter ratio steel ingot and blank forming method | |
| CN202779647U (en) | Semisolid nonferrous metal continuous casting device | |
| CN212133335U (en) | Semi-solid metal smelting and stirring device | |
| CN109014086A (en) | A kind of casting method of high-magnesium aluminum alloy | |
| CN1254552C (en) | Device for preparing semisolid metal and alloy pulp or blank | |
| Wang et al. | Effects of low-frequency electromagnetic field on the surface quality of 7050 aluminum alloy ingots during the hot-top casting process |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |