CN109341339A - A kind of uphill casting formula induction suspending cold crucible and pouring procedure - Google Patents
A kind of uphill casting formula induction suspending cold crucible and pouring procedure Download PDFInfo
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- CN109341339A CN109341339A CN201811555621.0A CN201811555621A CN109341339A CN 109341339 A CN109341339 A CN 109341339A CN 201811555621 A CN201811555621 A CN 201811555621A CN 109341339 A CN109341339 A CN 109341339A
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- crucible
- baiting valve
- cold
- blanking port
- water
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- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 37
- 230000006698 induction Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000498 cooling water Substances 0.000 claims abstract description 35
- 239000002826 coolant Substances 0.000 claims abstract description 10
- 238000009415 formwork Methods 0.000 claims abstract description 10
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 20
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000007499 fusion processing Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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 specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
-
- 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 specially adapted for crucible or pot furnaces
- F27B14/14—Arrangements of heating 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
- F27D9/00—Cooling of furnaces or of charges therein
-
- 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
- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
A kind of uphill casting formula induction suspending cold crucible and pouring procedure, including cold-crucible；Load coil；It is internally provided with cooling water channel in the cold-crucible, crucible cooling water is entered by crucible coolant intake, is realized by cooling water channel and is discharged to after the refrigerating function of crucible by crucible cooling water outlet mouth；It is equipped with blanking port, the sprue cup center of the blanking port face formwork in the cold-crucible bottom, the blanking port is controlled via control feeding bar to realize and open and close；The baiting valve includes baiting valve water inlet and baiting valve water outlet, water guide cone and weather board, the baiting valve cooling water is entered inside baiting valve by baiting valve water inlet, it is discharged by baiting valve water outlet, the water guide cone and weather board and blowing valve chest constitute the cooling-water duct inside baiting valve；The disengaging cooling water pipe of the baiting valve may make up articulated joint；Whole device is installed on bracket.Operation of the present invention is easier, safe.
Description
Technical field
The present invention relates to Metal Melting field more particularly to a kind of uphill casting formula induction suspending cold crucible and its pouring procedures.
Background technique
Cold wall crucible induction melting technology is to be put into solid raw material metal in the cold-crucible by induction coil winding, when
When electric current flows through induction coil, generates induced electromotive force and make to generate vortex inside metal charge, current heating amount is greater than metal
When the speed of furnace charge heat dissipation capacity, as heat is cumulative, when reaching to a certain degree, metal is molten into liquid by solid-state, reaches
The purpose of metal smelting.In the process, entire fusion process occurs in vacuum environment, and is tieed up inside crucible by water cooling
It holds, forms one layer of metal scull formed by furnace charge between crucible and furnace charge and obtained with excluding pollution of the crucible to furnace charge completely
The metal alloy compositions arrived are purer.In fusion process, because the metal material of liquid exists the characteristics of Induction Melting Technology
Due to the interaction by electromagnetic force inside crucible, stirring can be realized automatically, the casting composition after making casting is more uniform.
In traditional casting process, since cold-crucible water flowing is cooling in fusion process, there is scull, liquid in crucible internal walls
State metal is present in scull, liquid metal outflow can only be made to realize casting moulds group, this pouring type meeting by toppling over crucible
Increase the heat exchange of liquid metal and sidewall of crucible, the degree of superheat of metal is caused to become smaller, increases solidified shell thickness, reduce the benefit of material
With rate, and the melting of metal often generates various types of impurity in its liquid level, and the mode for toppling over liquid metal casting can be first
The coating metal for sweeping along impurity is first poured into mould group, pollute casting and is possible to generate segregation phenomena, operation is also inconvenient.
Uphill casting mode changes the deficiency of traditional approach, cool down scull at blanking port can not by removing baiting valve, adds
Scull melts at blanking port after big induction coil power, and the leak outflow casting formwork that furnace charge generates after melting realizes casting
Operation.This casting mode is easy, and casting distance is close, reduces the loss of thermal energy, it is complete that the higher degree of superheat makes formwork fill type.
The present invention solves conventional suspension crucible heat-energy losses and the more defect of waste of material in casting process, effectively
It prevents furnace charge from contacting brought pollution with sidewall of crucible, melting liquid metal surface impurity in casting process is effectively prevent to enter mould
Shell, the segregation or pollution for avoiding material from occurring in casting process, to obtain the casting of high-purity or pole active metal material.And
And ensure that the higher fuel factor in crucible body bottom, it ensure that the higher thermal efficiency of smelting in suspension and molten bath chemical component and overheat
The uniformity of degree.
Summary of the invention
It is an object of the invention to by a kind of uphill casting formula induction suspending cold crucible and pouring procedure, to solve background above
The problem of technology segment is mentioned.It is quasi- to take following technical scheme:
A kind of uphill casting formula induction suspending cold crucible, including cold-crucible；The cold-crucible periphery is wrapped load coil
；It is internally provided with cooling water channel in the cold-crucible, the cooling water channel one terminates crucible coolant intake, another termination earthenware
Crucible cooling water outlet mouth, crucible cooling water are entered by crucible coolant intake, realize the refrigerating function to crucible by cooling water channel
It is discharged afterwards by crucible cooling water outlet mouth；Blanking port, the cast gate of the blanking port face formwork are equipped in the cold-crucible bottom
Cup center, the blanking port are controlled via control feeding bar to realize and open and close；It is equipped with and puts in the blanking port (3) lower part
Expect valve (4), the baiting valve includes baiting valve water inlet and baiting valve water outlet, water guide cone and weather board, and the baiting valve is cold
But water is entered inside baiting valve by baiting valve water inlet, is discharged by baiting valve water outlet, the water guide cone and weather board and blowing
Valve chest constitutes the cooling-water duct inside baiting valve；The disengaging cooling water pipe of the baiting valve may make up articulated joint；It is described
Baiting valve is connect with control feeding bar by articulated joint；Whole device is installed on bracket.
A kind of pouring procedure of uphill casting formula induction suspending cold crucible, this method comprises the following steps:
Step 1: metal bar material or block are placed in cold-crucible cavity, close crucible cover, and crucible vacuumizes；
Step 2: the coolant intake of cold-crucible water cooling system and the baiting valve water inlet of blowing valve cooling system are opened
Switch, make crucible and baiting valve be in the water state of cooling；
Step 3: load coil power supply, smelting metal to liquid, due to water cooling effect, cold-crucible internal chamber wall are opened
Including generating one layer of metal scull at blanking port；
Step 4: liquid metal pulls control feeding bar after reaching assigned temperature, and baiting valve is made to be detached from the contact with cold-crucible,
Blanking port is opened, but due at blanking port the cooling scull of water there are molten metals will not flow out；
Step 5: increasing load coil power, and since baiting valve is detached from the contact with blanking port, scull is lost at blanking port
Cooling, increasing load coil power melts scull at blanking port rapidly；
Step 6: liquid metal is vertically flowed out from blanking port after blanking port scull melts, into the cast gate of the casting formwork of lower section
Cup realizes pouring operation；
Step 7: after casting complete, load coil power supply is cut off, closes two-way cooling water switch；
Step 8: cleaning sidewall of crucible scull pushes control feeding bar that baiting valve is made to playback.
Operation of the present invention is easier, safe；The present invention is poured using gravity, is avoided tradition from crossing mode and is needed to be arranged
Crucible tilting device；The mode that tradition is toppled over is to complete casting as early as possible, and avoid molten metal spluttering that biggish sprue cup need to be arranged；
Blanking port casting fluid column of the invention is stablized, and oversized sprue cup is not required to；Liquid metal is in sky when the present invention shortens casting
Exposure duration in gas, the loss of liquid metal heat are smaller；Its impurity can swim in liquid level after Metal Melting, and tradition topples over casting meeting
The surface layer liquid metal for carrying impurity is poured into formwork first and forms casting, pollutes casting, the present invention is poured crucible bottom first
Metal, the coating metal containing floating material finally pour into, and will not pollute casting；Tradition, which topples over mode, will increase solidified shell thickness, gold
Belonging to utilization rate reduces, and the increased induction coil power of the present invention melts blanking port scull, reduces solidified shell thickness, metal utilization
It increases.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the elevational cross-sectional view of baiting valve of the invention.
Fig. 3 is the overhead sectional view of baiting valve of the invention.
Specific embodiment
With reference to Fig. 1,2 and 3, a kind of uphill casting formula induction suspending cold crucible, including cold-crucible 1；1 periphery of cold-crucible
It is wrapped load coil 2；It is internally provided with cooling water channel 8 in the cold-crucible 1, the cooling water channel 8 one terminates earthenware
Crucible coolant intake 9, another termination crucible cooling water outlet mouth 10, crucible cooling water is entered by crucible coolant intake 9, by cold
But the realization of water channel 8 is discharged to after the refrigerating function of crucible by crucible cooling water outlet mouth 10；It is equipped with and falls in 1 bottom of cold-crucible
Material mouth 3, the sprue cup center of the 3 face formwork of blanking port, the blanking port 3 are controlled via control feeding bar 5 to realize out
It opens and closes；It is equipped with baiting valve 4 in 3 lower part of blanking port, the baiting valve 4 includes baiting valve water inlet 11 and baiting valve
Water outlet 12, water guide cone 13 and weather board 14, the baiting valve cooling water are entered inside baiting valve 4 by baiting valve water inlet 11,
It is discharged by baiting valve water outlet 12, the water guide cone 13 and weather board 14 and blowing valve chest constitute the cooling water inside baiting valve
Channel；The disengaging cooling water pipe of the baiting valve 4 may make up articulated joint 6；The baiting valve 4 passes through hinge with control feeding bar 5
Connector 6 connects；Whole device is installed on bracket 7.
A kind of pouring procedure of uphill casting formula induction suspending cold crucible, this method comprises the following steps:
Step 1: metal bar material or block are placed in 1 cavity of cold-crucible, close crucible cover, and crucible vacuumizes；
Step 2: open 1 water cooling system of cold-crucible 4 water cooling system of coolant intake 9 and baiting valve baiting valve into
The switch at the mouth of a river 11 makes crucible and baiting valve be in the water state of cooling；
Step 3: 2 power supply of load coil, smelting metal to liquid, due to water cooling effect, 1 inner cavity of cold-crucible are opened
Wall includes one layer of metal scull of generation at blanking port 3；
Step 4: liquid metal, which reaches, pulls control feeding bar 5 after assigned temperature, is detached from baiting valve 4 and connects with cold-crucible 1
Touching, blanking port 3 are opened, but due at blanking port 3 the cooling scull of water there are molten metals will not flow out；
Step 5: increasing by 2 power of load coil, since baiting valve 4 is detached from and the contact of blanking port 3, scull at blanking port 3
Cooling is lost, increasing by 2 power of load coil melts scull at blanking port 3 rapidly；
Step 6: liquid metal is vertically flowed out from blanking port 3 after 3 scull of blanking port melts, and the casting formwork into lower section pours
Cup realizes pouring operation；
Step 7: after casting complete, 2 power supply of load coil is cut off, closes two-way cooling water switch；
Step 8: cleaning sidewall of crucible scull pushes control feeding bar 5 that baiting valve 4 is made to playback.
Claims (2)
1. a kind of uphill casting formula induction suspending cold crucible, it is characterised in that: including cold-crucible (1)；Cold-crucible (1) periphery
It is wrapped load coil (2)；It is internally provided with cooling water channel (8) in the cold-crucible (1), the cooling water channel (8)
One termination crucible coolant intake (9), another termination crucible cooling water outlet mouth (10), crucible cooling water is by crucible coolant intake
(9) enter, realized by cooling water channel (8) and be discharged to after the refrigerating function of crucible by crucible cooling water outlet mouth (10)；Described
Cold-crucible (1) bottom is equipped with blanking port (3), the sprue cup center of blanking port (3) the face formwork, the blanking port (3)
It is controlled via control feeding bar (5) to realize and open and close；Baiting valve (4) are equipped in the blanking port (3) lower part, it is described
Baiting valve (4) includes baiting valve water inlet (11) and baiting valve water outlet (12), water guide cone (13) and weather board (14), described to put
Expect that valve cooling water enters baiting valve (4) inside by baiting valve water inlet (11), is discharged by baiting valve water outlet (12), the water guide
Bore the cooling-water duct inside (13) and weather board (14) and blowing valve chest composition baiting valve；The disengaging of the baiting valve (4)
Cooling water pipe may make up articulated joint (6)；The baiting valve (4) is connect with control feeding bar (5) by articulated joint (6)；It is whole
A device is installed on bracket (7).
2. a kind of pouring procedure of uphill casting formula induction suspending cold crucible according to claim 1, which is characterized in that this method
Include the following steps:
Step 1: metal bar material or block are placed in cold-crucible (1) cavity, close crucible cover, and crucible vacuumizes；
Step 2: the baiting valve of coolant intake (9) and blowing valve cooling system of cold-crucible (1) water cooling system is opened
The switch of water inlet (11) makes crucible and baiting valve be in the water state of cooling；
Step 3: load coil (2) power supply, smelting metal to liquid, due to water cooling effect, cold-crucible (1) are opened
Internal chamber wall includes one layer of metal scull of generation at blanking port (3)；
Step 4: liquid metal pulls control feeding bar (5) after reaching assigned temperature, makes baiting valve (4) disengaging and cold-crucible
(1) contact, blanking port (3) are opened, but due at blanking port (3) the cooling scull of water there are molten metals will not flow out；
Step 5: increasing load coil (2) power, since baiting valve (4) are detached from and the contact of blanking port (3), blanking port
(3) scull loses cooling at, and increasing load coil (2) power melts scull at blanking port (3) rapidly；
Step 6: liquid metal is vertically flowed out from blanking port (3) after blanking port (3) scull melts, and the formwork into lower section pours
Cup realizes pouring operation；
Step 7: after casting complete, load coil (2) power supply is cut off, closes two-way cooling water switch；
Step 8: cleaning sidewall of crucible scull pushes control feeding bar (5) that baiting valve (4) is made to playback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555621.0A CN109341339A (en) | 2018-12-19 | 2018-12-19 | A kind of uphill casting formula induction suspending cold crucible and pouring procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555621.0A CN109341339A (en) | 2018-12-19 | 2018-12-19 | A kind of uphill casting formula induction suspending cold crucible and pouring procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109341339A true CN109341339A (en) | 2019-02-15 |
Family
ID=65303166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811555621.0A Pending CN109341339A (en) | 2018-12-19 | 2018-12-19 | A kind of uphill casting formula induction suspending cold crucible and pouring procedure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109341339A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023807A (en) * | 2019-12-16 | 2020-04-17 | 西安聚能装备技术有限公司 | Crucible water cooling device for vacuum consumable electric arc furnace |
| CN112629258A (en) * | 2021-01-12 | 2021-04-09 | 南京梦彤户科技有限公司 | Extrusion is leaked down metal melting furnace of wall built-up is prevented to type |
| CN114985687A (en) * | 2022-07-06 | 2022-09-02 | 烟台扶摇特导新材料科技有限公司 | Electromagnetic heating and water cooling dual-function casting mold and casting method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058127A (en) * | 1989-05-19 | 1991-10-15 | Compagnie Europeenne Du Zirconium Cezus | Bottom discharge cold crucible |
| US5889813A (en) * | 1995-08-25 | 1999-03-30 | Fuji Electric Co., Ltd | Levitation melting furnace |
| JP2000088467A (en) * | 1998-09-18 | 2000-03-31 | Fuji Electric Co Ltd | Floating melting equipment |
| CN205048973U (en) * | 2015-08-21 | 2016-02-24 | 中国核电工程有限公司 | Cold crucible device |
| CN105890359A (en) * | 2016-06-14 | 2016-08-24 | 沈阳真空技术研究所 | Induction melting cold crucible system for preparation of active metal powder with high melting point |
| CN106890985A (en) * | 2017-04-25 | 2017-06-27 | 北京航空航天大学 | It is a kind of for manufacturing casting device and method without shrinkage cavity casting |
| CN107024115A (en) * | 2017-04-27 | 2017-08-08 | 宋佳 | A kind of smelting apparatus and alloy melting method |
| CN209214341U (en) * | 2018-12-19 | 2019-08-06 | 江苏集萃先进金属材料研究所有限公司 | A kind of uphill casting formula induction suspending cold crucible |
-
2018
- 2018-12-19 CN CN201811555621.0A patent/CN109341339A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058127A (en) * | 1989-05-19 | 1991-10-15 | Compagnie Europeenne Du Zirconium Cezus | Bottom discharge cold crucible |
| US5889813A (en) * | 1995-08-25 | 1999-03-30 | Fuji Electric Co., Ltd | Levitation melting furnace |
| JP2000088467A (en) * | 1998-09-18 | 2000-03-31 | Fuji Electric Co Ltd | Floating melting equipment |
| CN205048973U (en) * | 2015-08-21 | 2016-02-24 | 中国核电工程有限公司 | Cold crucible device |
| CN105890359A (en) * | 2016-06-14 | 2016-08-24 | 沈阳真空技术研究所 | Induction melting cold crucible system for preparation of active metal powder with high melting point |
| CN106890985A (en) * | 2017-04-25 | 2017-06-27 | 北京航空航天大学 | It is a kind of for manufacturing casting device and method without shrinkage cavity casting |
| CN107024115A (en) * | 2017-04-27 | 2017-08-08 | 宋佳 | A kind of smelting apparatus and alloy melting method |
| CN209214341U (en) * | 2018-12-19 | 2019-08-06 | 江苏集萃先进金属材料研究所有限公司 | A kind of uphill casting formula induction suspending cold crucible |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023807A (en) * | 2019-12-16 | 2020-04-17 | 西安聚能装备技术有限公司 | Crucible water cooling device for vacuum consumable electric arc furnace |
| CN112629258A (en) * | 2021-01-12 | 2021-04-09 | 南京梦彤户科技有限公司 | Extrusion is leaked down metal melting furnace of wall built-up is prevented to type |
| CN114985687A (en) * | 2022-07-06 | 2022-09-02 | 烟台扶摇特导新材料科技有限公司 | Electromagnetic heating and water cooling dual-function casting mold and casting method |
| CN114985687B (en) * | 2022-07-06 | 2025-02-14 | 烟台扶摇特导新材料科技有限公司 | Electromagnetic heating and water cooling dual-function casting mold and casting method |
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Application publication date: 20190215 |