CN114918385A - Device and process for controlling nitrogen content in die steel - Google Patents
Device and process for controlling nitrogen content in die steel Download PDFInfo
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- CN114918385A CN114918385A CN202210463605.9A CN202210463605A CN114918385A CN 114918385 A CN114918385 A CN 114918385A CN 202210463605 A CN202210463605 A CN 202210463605A CN 114918385 A CN114918385 A CN 114918385A
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
- B22D11/117—Refining the metal by treating with gases
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
The invention relates to the technical field of metallurgical industry, in particular to a device and a process for controlling nitrogen content in die steel, which comprises a water-cooled crystallizer, wherein a cold water tank is arranged inside the water-cooled crystallizer, a water inlet mechanism is connected on the water-cooled crystallizer, an electric melting mechanism is arranged inside the water-cooled crystallizer, the electric melting mechanism comprises a shell, a slag pool, a threaded ring and a bracket, the shell is slidably connected on the inner wall of the water-cooled crystallizer, the slag pool is fixedly connected inside the shell, the threaded ring is connected on the shell in a threaded manner, the top of the threaded ring is fixedly connected with the two brackets, a blowing mechanism is connected on the outer wall of the water-cooled crystallizer, the blowing mechanism comprises an outer pipe, an inner pipe, a fixed rod, a motor, a rotating rod, fan blades and a filter screen, the filter screen is fixedly connected on the inner wall of the outer pipe, and a feeding mechanism is connected on the outer pipe, can be used for recasting die steel, and nitrogen-containing additives are uniformly added into the die steel so as to cast the nitrogen-containing die steel.
Description
Technical Field
The invention relates to a metallurgical device, in particular to a device and a process for controlling the nitrogen content in die steel, and belongs to the technical field of metallurgical industry.
Background
The die steel is a steel grade used for manufacturing dies such as a cold stamping die, a hot stamping die, a die-casting die and the like, and the strength, toughness and corrosion resistance of the die steel can be improved by adding nitrogen elements into the die steel, so that when the industry needs the die steel, the die steel is sometimes smelted, and then nitrogen-containing additives are added into the smelted die steel so as to be recast into the nitrogen-containing steel.
At present, nitrogen is added to die steel mainly by a pressurized electroslag recasting method in the industry, but because molten metal is difficult to stir, nitrogen-containing additives are often difficult to uniformly distribute in the finally generated recasting die steel when the nitrogen-containing additives are actually added, so that a novel device and a novel process are needed to solve the problem.
Disclosure of Invention
The present invention is directed to solving the above problems, and an object of the present invention is to provide a device and a process for controlling nitrogen content in a die steel, which can be used for recasting the die steel, and uniformly add a nitrogen-containing additive to the die steel to cast the die steel containing nitrogen.
The invention realizes the aim through the following technical scheme, and provides a device and a process for controlling the nitrogen content in die steel, which comprises a water-cooled crystallizer, wherein a cold water tank is arranged inside the water-cooled crystallizer, a water inlet mechanism is connected on the water-cooled crystallizer, an electric melting mechanism is arranged inside the water-cooled crystallizer, the electric melting mechanism comprises a shell, a slag pool, a threaded ring and a bracket, the shell is connected on the inner wall of the water-cooled crystallizer in a sliding manner, the slag pool is fixedly connected inside the shell, the threaded ring is connected on the shell in a threaded manner, the two brackets are fixedly connected at the top of the threaded ring, a blowing mechanism is connected on the outer wall of the water-cooled crystallizer, the blowing mechanism comprises an outer pipe, an inner pipe, a fixed rod, a motor, a rotating rod, fan blades and a filter screen, the outer pipe is fixedly connected on the outer wall of the water-cooled crystallizer, the two inner pipes are fixedly connected on the outer pipe, the fixed rod is fixedly connected with the inside of the outer pipe, the motor is fixedly connected with the fixed rod, one end of the fixed rod, which deviates from the motor, is rotatably connected with the rotating rod, the rotating rod is fixedly connected with the motor, the rotating rod is fixedly connected with a plurality of fan blades, the filter screen is fixedly connected with the inner wall of the outer pipe, and the outer pipe is connected with the feeding mechanism.
Preferably, the mechanism of intaking includes annular pipe and intubate, the inside sliding connection in cold water groove has a plurality ofly the intubate, common fixed connection has on a plurality of intubate the annular pipe.
Preferably, the water inlet mechanism further comprises a drain pipe, the drain pipe is fixedly connected to the bottom end of the water-cooling crystallizer, and the drain pipe is communicated with the cold water tank.
Preferably, the feeding mechanism comprises a vertical pipe, a fixed seat and a through hole, the vertical pipe is fixedly connected to the top of the outer pipe, the fixed seat is fixedly connected to the inner wall of the vertical pipe, and the through hole is formed in the fixed seat.
Preferably, the feeding mechanism further comprises a connecting rod and a fixed block, the connecting rod is connected to the vertical pipe in a sliding mode, one end, located in the vertical pipe, of the connecting rod is fixedly connected with the fixed block, and the fixed block is movably connected to the inside of the through hole.
Preferably, feed mechanism still includes side opening and curb plate, the side opening is seted up in on the standpipe, connecting rod sliding connection is in the inside of side opening, curb plate fixed connection in on the connecting rod, and curb plate sliding connection is on the outer wall of standpipe.
Preferably, the fixed block is in a circular truncated cone shape, and the connecting rod is in an L shape.
Preferably, both ends of the outer tube are closed, the two inner tubes are communicated with the inside of the outer tube, and the two inner tubes are symmetrically arranged about the outer tube.
Preferably, the two inner pipes penetrate through the water-cooled crystallizer, and the two inner pipes are symmetrically arranged around the water-cooled crystallizer.
Preferably, the process comprises
S1: the nitrogen-containing additive is put into a feeding mechanism, and the feeding mechanism is adjusted to enable the nitrogen-containing additive to enter a blowing mechanism at a certain speed;
s2: starting a blowing mechanism, and enabling the nitrogenous additive to enter the water-cooled crystallizer through the blowing mechanism;
s3: inserting the prepared consumable electrode into a slag pool, controlling the consumable electrode to be electrically fused by an external power supply, so that a nitrogenous additive is adhered to the metal molten drop in the falling process, and generating a metal ingot at the bottom of a water-cooled crystallizer;
s4: the water-cooled crystallizer has a cooling function through the water inlet mechanism, and the formation of metal ingots in the water-cooled crystallizer is promoted.
The invention has the beneficial effects that:
in the invention, nitrogen-containing additive for recasting nitrogen-containing die steel is poured into a vertical pipe, a motor is started, the motor drives a rotating rod to rotate, so that a fan blade rotates to form airflow in an outer pipe, the fan blade can enable the outer pipe to cooperate with the inner pipes to form circulating airflow due to the fact that the two inner pipes are close to each other, the nitrogen-containing additive falls into the outer pipe below along a gap between a through hole and a fixed block in the vertical pipe, the nitrogen-containing additive is powdery and can be blown away along with the airflow in the outer pipe, the additive falls into the outer pipe at a constant speed, so that the additive is blown in the outer pipe at a constant speed by the airflow, namely the additive which floats at a constant speed is mixed in the airflow between the two inner pipes, the position of the fixed block can be controlled by a sliding connecting rod, the size of the gap between the fixed block and the through hole is adjusted, the downward falling speed of the additive is controlled, before recasting the die steel, the device comprises an external water pump and a water source, wherein water enters an annular pipe and then flows into a cold water tank through an insertion pipe, the inner wall of a water-cooled crystallizer has the function of helping molten steel to be cooled and solidified, the external power source and a consumable electrode are inserted into a slag tank, the consumable electrode can be gradually melted along with the conduction of the external power source and penetrates through the slag tank, molten drops are generated below the slag tank, the molten drops penetrate through a gap between two inner pipes in the falling process, a certain amount of nitrogen-containing additive is adhered to the molten drops, so that the molten drops are added with nitrogen, the molten drops finally fall to the bottom of the water-cooled crystallizer and are cooled to form nitrogen-containing mold steel, the additive which is not adhered to the molten drops is finally intercepted by a filter screen at the other end of the outer pipe, the outer pipe is connected with the inner pipe and the water-cooled crystallizer by a detachable mechanism, and the inner pipe and the outer pipe can be taken down after the completion of recasting to clean the residual additive.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a connection structure of a blowing mechanism and a water-cooled crystallizer in the present invention;
FIG. 4 is a top view of the water-cooled crystallizer of the present invention;
FIG. 5 is a schematic perspective view of the outer tube and the inner tube of the present invention;
fig. 6 is an exploded perspective view of the electric melting mechanism of the present invention;
FIG. 7 is a schematic view of the connection structure of the outer tube and the feeding mechanism according to the present invention;
fig. 8 is a schematic view of the internal structure of the outer tube in the present invention.
In the figure: 1. a water-cooled crystallizer; 2. a cold water tank; 3. a water inlet mechanism; 31. an annular tube; 32. inserting a tube; 33. a drain pipe; 4. an electric melting mechanism; 41. a housing; 42. a slag pool; 43. a threaded ring; 44. a support; 5. a blowing mechanism; 51. an outer tube; 52. an inner tube; 53. fixing the rod; 54. a motor; 55. a rotating rod; 56. a fan blade; 57. filtering with a screen; 6. a feeding mechanism; 61. a vertical tube; 62. a fixed seat; 63. a through hole; 64. a side hole; 65. a connecting rod; 66. a fixed block; 67. side plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a device and a process for controlling nitrogen content in mold steel include a water-cooled crystallizer 1, a cold water tank 2 is disposed inside the water-cooled crystallizer 1, a water inlet mechanism 3 is connected to the water-cooled crystallizer 1, an electric melting mechanism 4 is disposed inside the water-cooled crystallizer 1, the electric melting mechanism 4 includes an outer shell 41, a slag bath 42, a threaded ring 43 and a bracket 44, the outer shell 41 is slidably connected to an inner wall of the water-cooled crystallizer 1, the slag bath 42 is fixedly connected to the inside of the outer shell 41, the threaded ring 43 is threadedly connected to the outer shell 41, two brackets 44 are fixedly connected to a top of the threaded ring 43, a blowing mechanism 5 is connected to an outer wall of the water-cooled crystallizer 1, the blowing mechanism 5 includes an outer tube 51, an inner tube 52, a fixing rod 53, a motor 54, a rotating rod 55, a fan blade 56 and a filter screen 57, the outer tube 51 is fixedly connected to the outer wall of the water-cooled crystallizer 1, fixedly connected with two on the outer tube 51 the inner tube 52, dead lever 53 fixed connection in the inside of outer tube 51, motor 54 fixed connection is on dead lever 53, and the one end that deviates from motor 54 of dead lever 53 rotates and is connected with bull stick 55, bull stick 55 and motor 54 fixed connection, and fixedly connected with is a plurality of on the bull stick 55 flabellum 56, filter screen 57 fixed connection is on the inner wall of outer tube 51, be connected with feed mechanism 6 on the outer tube 51, external power supply and consumable electrode, insert the consumable electrode in the slag bath 42, with switching on of external power supply, the consumable electrode can melt gradually, passes slag bath 42, produces the molten droplet below slag bath 42, and the in-process that the molten droplet falls passes the space between two inner tubes 52, adheres a certain amount of nitrogenous additive to by the nitrogenization in making the molten droplet, the molten droplet finally falls the bottom of water-cooled crystallizer 1 and cools off and forms nitrogenous die steel, the water inlet mechanism 3 is used for adding flowing water into the water-cooled crystallizer 1 to enable the flowing water to have a water cooling effect, and the threaded ring 43 can adjust the total height of the shell 41 and the slag pool 42 in the water-cooled crystallizer 1 in a spiral mode.
As a technical optimization scheme of the present invention, the water inlet mechanism 3 includes a ring pipe 31 and insertion pipes 32, the inside of the cold water tank 2 is slidably connected with a plurality of insertion pipes 32, the plurality of insertion pipes 32 are jointly and fixedly connected with the ring pipe 31, the housing 41 is supported in the water-cooled crystallizer 1 through the brackets 44, the ring pipe 31 is supported on the two brackets 44, each insertion pipe 32 is inserted into a corresponding tank, water is injected into the ring pipe 31, and then the water can flow into the cold water tank 2 in the water-cooled crystallizer 1 through each insertion pipe 32, so that the inner wall of the whole water-cooled crystallizer 1 has a cooling effect.
As a technical optimization scheme of the present invention, the water inlet mechanism 3 further includes a water outlet pipe 33, the water outlet pipe 33 is fixedly connected to the bottom end of the water-cooled crystallizer 1, and the water outlet pipe 33 is communicated with the cold water tank 2.
As a technical optimization scheme of the present invention, the feeding mechanism 6 includes a vertical tube 61, a fixing seat 62 and a through hole 63, the vertical tube 61 is fixedly connected to the top of the outer tube 51, the fixing seat 62 is fixedly connected to the inner wall of the vertical tube 61, and the through hole 63 is formed in the fixing seat 62.
As a technical optimization scheme of the present invention, the feeding mechanism 6 further includes a connecting rod 65 and a fixing block 66, the connecting rod 65 is slidably connected to the vertical tube 61, one end of the connecting rod 65 located in the vertical tube 61 is fixedly connected to the fixing block 66, and the fixing block 66 is movably connected to the inside of the through hole 63.
As a technical optimization scheme of the present invention, the feeding mechanism 6 further includes a side hole 64 and a side plate 67, the side hole 64 is opened on the vertical tube 61, the connecting rod 65 is slidably connected inside the side hole 64, the side plate 67 is fixedly connected to the connecting rod 65, and the side plate 67 is slidably connected to an outer wall of the vertical tube 61.
As a technical optimization scheme of the present invention, the fixing block 66 is in a circular truncated cone shape, and the connecting rod 65 is in an L shape.
As a technical optimization of the present invention, both ends of the outer tube 51 are closed, two inner tubes 52 are communicated with the inside of the outer tube 51, and the two inner tubes 52 are symmetrically arranged with respect to the outer tube 51.
As a technical optimization scheme of the present invention, the two inner tubes 52 penetrate through the water-cooled crystallizer 1, and the two inner tubes 52 are symmetrically arranged with respect to the water-cooled crystallizer 1.
As a technical optimization scheme of the invention, the process comprises
S1: the nitrogenous additive is placed in a feeding mechanism 6, and the feeding mechanism 6 is adjusted to ensure that the nitrogenous additive enters a blowing mechanism 5 at a certain speed;
s2: starting a blowing mechanism 5, and enabling the nitrogenous additive to enter the water-cooled crystallizer 1 through the blowing mechanism 5;
s3: inserting the prepared consumable electrode into the slag bath 42, controlling the consumable electrode to be electrically melted by an external power supply, so that the metal molten drops are adhered with the nitrogenous additive in the falling process, and generating a metal ingot at the bottom of the water-cooled crystallizer 1;
s4: the water inlet mechanism 3 enables the water-cooled crystallizer 1 to have a cooling function, and promotes the formation of metal ingots in the water-cooled crystallizer 1.
When the invention is used, firstly, the motor 54 is electrically connected with an external power supply, the nitrogen-containing additive for the die steel containing nitrogen is poured into the vertical pipe 61, the motor 54 is started, the motor 54 drives the rotating rod 55 to rotate, so that the fan blades 56 rotate, the fan blades 56 form airflow in the outer pipe 51 after rotating, because the two inner pipes 52 are close, the fan blades 56 can enable the outer pipe 51 to be matched with the inner pipes 52 to form circulating airflow, the nitrogen-containing additive falls into the lower outer pipe 51 along the gap between the through hole 63 and the fixed block 66 in the vertical pipe 61, the nitrogen-containing additive is in powder shape, the additive can be blown away along with the airflow in the outer pipe 51, the additive falls into the outer pipe 51 at constant speed, therefore, the airflow also enables the additive to be blown in the outer pipe 51 at constant speed, namely, the additive which floats at constant speed is mixed in the airflow between the two inner pipes 52, the position of the fixed block 66 can be controlled by the sliding connecting rod 65, thereby adjusting the size of the gap between the fixed block 66 and the through hole 63, further controlling the speed of the additive dropping downwards, before the die steel is recast, externally connecting a water pump and a water source, leading water to enter the annular pipe 31, further leading the water to flow into the cold water tank 2 through the inserting pipe 32, leading the inner wall of the water-cooled crystallizer 1 to have the function of helping the molten steel to be cooled and solidified, externally connecting a power supply and a consumable electrode, inserting the consumable electrode into the slag bath 42, leading the consumable electrode to be gradually melted along with the conduction of the external power supply, penetrating through the slag bath 42, generating molten drops below the slag bath 42, leading the molten drops to penetrate through the gap between the two inner pipes 52 in the falling process, adhering a certain amount of nitrogen-containing additive, leading the molten drops to be added with nitrogen, leading the molten drops to finally fall to the bottom of the water-cooled crystallizer 1 and to be cooled to form nitrogen-containing die steel, leading the additive which is not adhered by the molten drops to be finally intercepted by the filter screen 57 at the other end of the outer pipe 51, the outer pipe 51 and the inner pipe 52 are connected with the water-cooled crystallizer 1 by a detachable mechanism, and the inner pipe 52 and the outer pipe 51 can be taken down after the recasting is finished to clean residual additives.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a nitrogen content controlling means in mould steel, includes water-cooling crystallizer (1), its characterized in that: cold water tank (2) have been seted up to the inside of water-cooled crystallizer (1), be connected with into water mechanism (3) on water-cooled crystallizer (1), the inside of water-cooled crystallizer (1) is equipped with electric smelting mechanism (4), electric smelting mechanism (4) are including shell (41), slag bath (42), screw ring (43) and support (44), shell (41) sliding connection is on the inner wall of water-cooled crystallizer (1), and the inside fixedly connected with of shell (41) slag bath (42), threaded connection is gone up in shell (41) has screw ring (43), the top fixedly connected with of screw ring (43) is two support (44), be connected with blowing mechanism (5) on the outer wall of water-cooled crystallizer (1), blowing mechanism (5) include outer tube (51), inner tube (52), dead lever (53), motor (54), Bull stick (55), flabellum (56) and filter screen (57), outer tube (51) fixed connection is in the outer wall of water-cooling crystallizer (1), outer tube (51) is gone up fixedly connected with two inner tube (52), dead lever (53) fixed connection in the inside of outer tube (51), motor (54) fixed connection is on dead lever (53), and the one end that deviates from motor (54) of dead lever (53) rotates and is connected with bull stick (55), bull stick (55) and motor (54) fixed connection, and fixedly connected with is a plurality of on bull stick (55) flabellum (56), filter screen (57) fixed connection is on the inner wall of outer tube (51), be connected with feed mechanism (6) on outer tube (51).
2. The device for controlling the nitrogen content in the die steel according to claim 1, wherein: water inlet mechanism (3) include ring pipe (31) and intubate (32), the inside sliding connection in cold water groove (2) has a plurality ofly intubate (32), common fixed connection has on a plurality of intubate (32) ring pipe (31).
3. The device for controlling the content of nitrogen in the die steel according to claim 1, characterized in that: water inlet mechanism (3) still include drain pipe (33), drain pipe (33) fixed connection in the bottom of water-cooling crystallizer (1), and drain pipe (33) and cold water tank (2) intercommunication.
4. The device for controlling the content of nitrogen in the die steel according to claim 1, characterized in that: feed mechanism (6) include standpipe (61), fixing base (62) and through-hole (63), standpipe (61) fixed connection in the top of outer tube (51), fixedly connected with on the inner wall of standpipe (61) fixing base (62), seted up on fixing base (62) through-hole (63).
5. The device for controlling the content of nitrogen in the die steel according to claim 4, wherein: feed mechanism (6) still include connecting rod (65) and fixed block (66), connecting rod (65) sliding connection in on standpipe (61), the one end fixedly connected with that is located standpipe (61) of connecting rod (65) fixed block (66), fixed block (66) swing joint in the inside of through-hole (63).
6. The device for controlling the content of nitrogen in the die steel according to claim 5, wherein: feed mechanism (6) still include side opening (64) and curb plate (67), side opening (64) is seted up on standpipe (61), connecting rod (65) sliding connection is in the inside of side opening (64), curb plate (67) fixed connection in on connecting rod (65), and curb plate (67) sliding connection is on the outer wall of standpipe (61).
7. The device for controlling the nitrogen content in the die steel according to claim 4, wherein: the fixed block (66) is in a circular truncated cone shape, and the connecting rod (65) is in an L shape.
8. The device for controlling the nitrogen content in the die steel according to claim 1, wherein: the two ends of the outer pipe (51) are closed, the two inner pipes (52) are communicated with the inside of the outer pipe (51), and the two inner pipes (52) are symmetrically arranged relative to the outer pipe (51).
9. The device for controlling the content of nitrogen in the die steel according to claim 1, characterized in that: the two inner pipes (52) penetrate through the water-cooled crystallizer (1), and the two inner pipes (52) are symmetrically arranged relative to the water-cooled crystallizer (1).
10. The process of the device for controlling the nitrogen content in the die steel according to claim 1, wherein the device comprises: the process comprises
S1: the nitrogenous additive is placed into a feeding mechanism (6), and the feeding mechanism (6) is adjusted to enable the nitrogenous additive to enter a blowing mechanism (5) at a certain speed;
s2: starting a blowing mechanism (5), and enabling the nitrogenous additive to enter the water-cooled crystallizer (1) through the blowing mechanism (5);
s3: inserting the prepared consumable electrode into a slag pool (42), controlling the consumable electrode to be electrically fused through an external power supply, so that a nitrogenous additive is adhered to a metal molten drop in the falling process, and a metal ingot is generated at the bottom of the water-cooled crystallizer (1);
s4: the water inlet mechanism (3) enables the water-cooled crystallizer (1) to have a cooling function, and promotes the formation of metal ingots in the water-cooled crystallizer (1).
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| CN107217152A (en) * | 2017-06-08 | 2017-09-29 | 东北大学 | The ESR ingot preparation facilities and method of a kind of utilization nitrogen conveying powder additive |
| CN207749161U (en) * | 2017-12-29 | 2018-08-21 | 二重（德阳）重型装备有限公司 | The control device and consutrode of reducing atmosphere in esr process |
| CN109355510A (en) * | 2018-12-28 | 2019-02-19 | 淄博秦鼎昌特钢科技有限公司 | The dedicated slag system of electroslag remelting mould steel and its device used |
| CN110640120A (en) * | 2019-10-30 | 2020-01-03 | 上海电气上重铸锻有限公司 | Manufacturing device and manufacturing method of stainless steel electroslag remelting steel ingot |
| CN110842208A (en) * | 2019-12-04 | 2020-02-28 | 南方科技大学 | Method for recycling copper-chromium contact waste |
| CN110935853A (en) * | 2019-12-26 | 2020-03-31 | 泰州市金鹰精密铸造有限公司 | Continuous casting device for hypereutectic aluminum-silicon alloy and preparation method thereof |
| CN113388740A (en) * | 2021-06-11 | 2021-09-14 | 东北大学 | Method for improving cleanliness of pressurized electroslag remelting high-nitrogen martensite stainless steel |
| CN114318109A (en) * | 2021-12-08 | 2022-04-12 | 抚顺特殊钢股份有限公司 | Method for smelting high-nitrogen die steel by using vacuum induction furnace and pressurized electroslag furnace |
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