CN108705059A - It is useless to pour remaining straight forming method - Google Patents
It is useless to pour remaining straight forming method Download PDFInfo
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- CN108705059A CN108705059A CN201810528548.1A CN201810528548A CN108705059A CN 108705059 A CN108705059 A CN 108705059A CN 201810528548 A CN201810528548 A CN 201810528548A CN 108705059 A CN108705059 A CN 108705059A
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- Prior art keywords
- molten steel
- separator
- mouth
- river
- straight forming
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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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
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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
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
-
- 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
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
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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
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
It gives up the invention discloses one kind and pouring remaining straight forming method, belong to ladle and pour remaining retracting device field.The present invention includes the following steps：Cast residue is flowed out to from conduction part in separator；The molten steel of induction coil electrified regulation separator interior；Under the effect of gravity, molten steel flows to mold from separator outlet；After weighing piece detects that the molten steel injected in mold reaches predetermined weight, the mold more renewed continues to inject molten steel；When the molten steel stream in separator is complete, the slag adhered on ash gate is detached.It is an object of the invention to overcome the shortcomings of will to pour in the prior art remaining put into smelting flow again as raw materials such as steel scrap, slag adjusting agents and do not give full play to and pour partial valence value, provide a kind of method that molten steel and straight forming metal component are detached in the mixture from discarded molten steel with slag, it is suitable available final products by waste resource Direct Regeneration, the service efficiency for improving resource, reduces solid waste.
Description
Technical field
The present invention relates to ladles to pour remaining retracting device field, and remaining straight forming method is poured more specifically to one kind is useless,
It gives up suitable for Steel Production Flow Chart and pours remaining resource regeneration.
Background technology
In the continuous casting working procedure of present steel production procedure, in each steel ladle pouring latter stage, generated in molten steel in order to prevent
The slag on molten steel surface is involved in molten steel and is discharged together from ladle nozzle by whirlpool, usually when molten steel also has compared with high liquid level
It is shut off ladle nozzle and stops cast, at this point, will produce a certain amount of cast residue in ladle, referred to as pour more than remaining or note.It pours
Remaining to be made of with the slag for being covered in molten steel surface remaining molten steel in ladle, due to continuing to pour into a mould, slag can be involved in steel by whirlpool
Large-sized inclusions are formed in liquid, have been more than the requirement upper limit of most steel grades to inclusion size, so cannot be further continued for
Cast, wherein molten steel accounts for about the 1/3 of total weight.Ladle nozzle closing after, ladle by distancing pour into a mould station, ladle nozzle by
The molten steel blocking of solidification can not open again, typically pour out mixture in ladle to form waste.
Mainly there are hot application method and dry slag method to the processing method of this waste at present.But both methods exists respectively
From the shortcomings that.Hot application method：It pours extraction raffinate state and pours out rear water-spraying control, this method easily causes splash, and generates a large amount of powder
Dirt, fog cause artificial operation difficult；Moreover, pour it is remaining in molten steel condense into after bulk that be that subsequent processing is brought tired
It is difficult.Dry slag method：Waste cold to be poured but after it is whole again pour out, with dropping hammer and cutting is combined and is handled；But this method can cause slag
Tank bonds, and pours remaining not easily to fall off in tank, causes slag ladle to be scrapped when serious；Moreover, the slag block poured out is excessive, processing takes a lot of work,
It is time-consuming.
It discloses in the prior art about pouring remaining recovery and utilization technology and have related patents, such as patent publication No.：CN
102605115 A, publication date：On 07 25th, 2012, invention and created name was：The technique that ladle casting residue granulation generates shot
Method, this application use a kind of separation method, carry out reinforcing cooling to ladle slag drop, keep droplet cold in flight course
But steel grit and small slag ball are solidified as；Patent publication No.：107119173 A of CN, publication date：On 09 01st, 2017, innovation and creation
It is entitled：A kind of slag adjusting agent and preparation method thereof, this application will pour a kind of remaining raw material as slag adjusting agent and use；And patent
Publication number：106521097 A of CN, publication date：On 03 22nd, 2017, invention and created name was：Slag foaming agent pelletizing and its
Preparation and application, this application will be poured the remaining raw material as foaming agent and used.
It is studied in conclusion researcher pours remaining some recyclings that carried out to ladle, although the molten steel inclusion in more than pouring
Content is higher, but pour it is remaining in molten steel as the high-quality molten steel after smelting, at present or be used as the raw materials such as steel scrap, slag adjusting agent again
Input smelts flow, its sharpest edges is not played, so needing fully to excavate its value.Therefore, how to overcome existing
Remaining put into again as raw materials such as steel scrap, slag adjusting agents will be poured in technology to smelt flow and do not give full play to the deficiency for pouring partial valence value,
Be in the prior art urgent need to resolve the technical issues of.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome to pour remaining in the prior art as raw materials such as steel scrap, slag adjusting agents and put into smelting again
Flow and do not give full play to the deficiency for pouring partial valence value, provide in a kind of mixture from discarded molten steel with slag and detach molten steel simultaneously
Waste resource Direct Regeneration is suitable available final products, improves making for resource by the method for straight forming metal component
With efficiency, reduce solid waste.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
The useless of the present invention pours remaining straight forming method, includes the following steps：
Step A, prepare to give up and pour remaining straight forming device, make the assembly of suppression whirlpool device and mouth of a river plug：
Step B, flow diverter and mouth of a river plug are installed：
Step C, molten steel is contained in ladle：
Step D, conduction part is pushed to jack up mouth of a river plug upward so that molten steel enters drainage channel from flow diverter import
It is interior：
Step E, mouth of a river plug is melted by molten steel, and suppression whirlpool device, which floats and presses down suspended state of the whirlpool device in molten steel, to be become being connected with
The side of support element is downward：
Step F, mobile upper slide and lower skateboard so that molten steel is flowed out to from conduction part in long nozzle, and molten steel is from long water
The lower end of mouth flows into tundish and crystallizer successively；
Step G, suppression whirlpool device falls the top at the ladle bottom mouth of a river, and molten steel flows into steel between suppression whirlpool device several support elements
Wrap the bottom mouth of a river, mobile upper slide and lower skateboard so that molten steel stops flow into long nozzle：
Step H, separator import is placed in the lower section of long nozzle lower end, mobile upper slide and lower skateboard so that molten steel and
The cast of slag composition is remaining all to be flowed out to from conduction part in long nozzle, then flows into separator from the lower end of long nozzle
It is interior；
Step I, insulation cover is covered in separator import, the molten steel of induction coil electrified regulation separator interior；
Step J, under the effect of gravity, molten steel flows to the water conservancy diversion mouth of a river from separator outlet, is then flowed along the water conservancy diversion mouth of a river
Enter to pour into a mould riser, further flows into mold；
Step K, after weighing piece detects that the molten steel injected in mold reaches predetermined weight, the mold more renewed continues to note
Enter molten steel；When the molten steel stream in separator is complete, mobile keeper makes the upper end of ash gate be rotated around door-hinge, will adhere on ash gate
Slag separation, then ash gate is fixed on keeper, insulation cover is taken away from separator import, separator interior prepares stream
It is remaining to enter new steel ladle pouring.
As further improvement of the present invention, described useless to pour remaining straight forming device include drainage mechanism and molding machine
Structure；The drainage mechanism is for providing cast remaining molten steel；The shaping mechanism includes：
The bottom of separator, the inner hollow setting of the separator, separator is an ash gate being obliquely installed, the deslagging
The upper end of door and the door-hinge for being installed on separator side are rotatablely connected, and the lower end of ash gate is connected with a keeper；Described point
Upper end from device is separator import, is separator outlet between the lower end of ash gate and the madial wall of separator；
The top of mold, the mold is equipped with molten steel import, and the molten steel import is located at the lower section of the separator outlet.
As further improvement of the present invention, the surrounding of the separator is surrounded with induction coil.
As further improvement of the present invention, the molten steel import is equipped with cast riser, and the separator outlet is logical
The water conservancy diversion mouth of a river is crossed to be connected to cast riser.
As further improvement of the present invention, the separator interior is equipped with temperature measuring element.
As further improvement of the present invention, the mold is set on weighing piece.
As further improvement of the present invention, insulation cover is removably stamped in the separator import.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result：
(1) in the present invention, the mixture that separator is used to receive to pour into a mould latter stage molten steel ladle and slag, insulation cover is used for
The heat radiation of mixture in separator is reduced, induction coil is used for heating the mixture in separator, ensures molten steel
Mobility；Molten steel is entered by the water conservancy diversion mouth of a river in mold, and different steel structure parts are formed according to mold inner-cavity structure；Slag passes through
Ash gate drain separator；Weighing piece is monitored mold casting process by weight change；By temperature measuring element to separator
Interior temperature is detected and accordingly controls the power of induction coil.
(2) in the present invention, it will pour remaining middle slag using gravity and molten steel detaches under the conditions of hot, separation costs
It is low, while the physical sensible heat of slag and molten steel is remained, slag and molten steel can be allowed to be further processed under the conditions of hot,
Heat is taken full advantage of, the waste of heat is avoided, improves economic benefit.
(3) in the present invention, will pour it is remaining in molten steel be directly formed to final products, avoid the molten steel smelted from being intended only as
Steel scrap is smelted again, makes full use of existing heat and high-quality molten steel resource, converts waste resource to useful products, is realized
The maximization of the utilization of resources is poured remaining middle molten steel and is such as handled by prior art, is then worth=weight × scrap steel price, such as specially by this
Sharp technical finesse, then be worth=quantity × structural member price, and economic benefit obtains tremendous increase.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of shaping mechanism in embodiment；
Fig. 2 is the structural schematic diagram of drainage mechanism in embodiment；
Fig. 3 is the schematic cross-sectional view for pressing down whirlpool device in embodiment；
Fig. 4 is the overlooking structure diagram for pressing down whirlpool device in embodiment；
Fig. 5 is the structural schematic diagram that the mouth of a river is filled in embodiment；
Fig. 6 is the structural schematic diagram of conduction part in embodiment；
Fig. 7 is the structural schematic diagram of flow diverter in embodiment；
Fig. 8 is the useless flow chart for pouring remaining straight forming method of embodiment.
Label declaration in schematic diagram：1, press down whirlpool device；101, press down whirlpool disk；102, adapter piece；103, support element；2, Ladle Bottom
Portion；3, flow diverter；301, flow diverter import；302, flow diverter exports；303, accommodating chamber one；304, accommodating chamber two；401, upper cunning
Plate；402, lower skateboard；5, the mouth of a river is filled in；501, first side；502, second side；503, scarf；6, conduction part；601, it penetrates through
Hole；602, wrapping layer；603, inclined-plane is jacked up；7, push rod；8, long nozzle；9, temperature measuring equipment；1001, separator；1002, the line of induction
Circle；1003, insulation cover；1004, door-hinge；1005, ash gate；1006, keeper；1007, the water conservancy diversion mouth of a river；1008, mold；1009,
Pour into a mould riser；1010, temperature measuring element；1011, weighing piece.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Therefore, the embodiment of the present invention to providing in the accompanying drawings below
Detailed description be not intended to limit the range of claimed invention, but be merely representative of the present invention selected embodiment.
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts is all
Other embodiment shall fall within the protection scope of the present invention.
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1-7, the useless of the present embodiment pours remaining straight forming device, including drainage mechanism and shaping mechanism.
Wherein, drainage mechanism is for providing cast remaining molten steel, specifically, drainage mechanism includes：Flow diverter 3, the drainage
The upper end of device 3 is equipped with flow diverter import 301, and the lower end of flow diverter 3 is equipped with flow diverter and exports 302, in flow diverter 3 from flow diverter into
Mouth 301 exports 302 directions to flow diverter and forms drainage channel；The both sides of drainage channel are respectively equipped with accommodating chamber one in flow diverter 3
303 and accommodating chamber 2 304；Press down whirlpool device 1, suppression whirlpool device 1 includes suppression whirlpool disk 101, and the lower end of the suppression whirlpool disk 101 is connected with T-shaped structure
Adapter piece 102, adapter piece 102 be placed in the mouth of a river plug 5 inside, the mouth of a river plug 5 can from flow diverter import 301 be inserted into drainage channel in；
The surrounding of suppression whirlpool disk 101 is connected with several support elements 103 extended upward；And conduction part 6, conduction part 6 are placed in receiving
In chamber 1, one end of conduction part 6 is connect with push rod 7, and (push rod 7 is by hydraulic pressure for the other end face accommodating chamber 2 304 of conduction part 6
Mechanism drives, and conduction part 6 can be pushed to the restriction site of accommodating chamber 2 304 from accommodating chamber 1).Wherein, mouth of a river plug 5 includes
First side 501 and second side 502, first side 501 are fitted on the inner wall of drainage channel；Second side 502 is from it
Top is fitted in the inclined inclined-plane in its bottom end, the top of second side 502 on the inner wall of drainage channel, second side 502 with
Spacing between drainage channel inner wall flaring from top to bottom；The bottom end of second side 502 is equipped with scarf 503, and conduction part 6 is another
The top at end is equipped with the jack-up inclined-plane 603 being mutually parallel with scarf 503；Through hole is offered from top to bottom in conduction part 6
601, the surrounding of through hole 601 is enclosed with wrapping layer 602, and the outer surface of the wrapping layer 602 is fitted with metal material.Flow diverter into
Mouth 301 is located at the lower section at 2 mouth of a river of ladle bottom, and flow diverter outlet 302 is located at the tops of long nozzle 8, specifically, flow diverter exports
Upper slide 401 stacked on top of each other, lower skateboard 402, upper slide 401 and lower skateboard 402 are equipped between 302 and the upper end of long nozzle 8
On respectively be equipped with through-hole；Temperature measuring equipment 9 is installed, which is radio temperature sensor on the lateral wall of flow diverter 3
9, the variation of 3 internal temperature of flow diverter can be monitored in real time.
Wherein, shaping mechanism is used to accept the cast residue molten steel that steel ladle pouring latter stage flows out from 8 lower end of long nozzle, and right
The cast residue molten steel is directly recycled, and specific shaping mechanism includes：Separator 1001, the separator 1001 it is interior
The bottom of the hollow setting in portion, separator 1001 is an ash gate 1005 being obliquely installed, the upper end of the ash gate 1005 and installation
Door-hinge 1004 in 1001 side of separator is rotatablely connected, and the lower end of ash gate 1005 (passes through with a keeper 1006 mating connection
The movement of keeper 1006 can put down the lower end of ash gate 1005 from keeper 1006, consequently facilitating 1001 inside slag of separator
Exclusion)；The upper end of separator 1001 is separator import, between the lower end and the madial wall of separator 1001 of ash gate 1005
For separator outlet；The top of mold 1008, the mold 1008 is equipped with molten steel import, and molten steel import is located under separator outlet
Side.Wherein, the surrounding of separator 1001 is surrounded with induction coil 1002；Molten steel import is equipped with cast riser 1009, point
It is connected to cast riser 1009 by the water conservancy diversion mouth of a river 1007 from device outlet；Mold 1008 is set on weighing piece 1011, separator
1001 are internally provided with temperature measuring element 1010；Insulation cover 1003 is removably stamped in separator import.
In conjunction with Fig. 8, the useless of the present embodiment pours remaining straight forming method, includes the following steps：
Step A, prepare above give up and pour remaining straight forming device, make the assembly of suppression whirlpool device 1 and mouth of a river plug 5：
Press down whirlpool device 1 with refractory material batch making it is good after, chamber size in one is sleeved on the mouth of a river 5 consistent hollow moulds of plug
Press down on the adapter piece 102 of the T-shaped structure of whirlpool device 1, and the center line of hollow mould overlapped with the center line of adapter piece 102,
Molten hot metal is poured into the interior intracavitary of hollow mould again so that molten iron and adapter piece 102 complete it is seamless merge, table after molten steel solidification
Face is polished, and mouth of a river plug 5 is formed；
Step B, flow diverter 3 and mouth of a river plug 5 are installed：
During ladle-pot hot-repair, by the new installation of flow diverter 3 to 2 lower section of ladle bottom, then by mouth of a river plug 5 from flow diverter into
Mouth 301 is inserted into drainage channels, completes installation；
Step C, molten steel is contained in ladle：
After ladle after hot repair fills with molten steel and slag and completes refining, it is hung to ladle turret and prepares to open to pour, due to water
The material of mouth plug 5 is the pig iron, and the material of suppression whirlpool device 1 is refractory material, and the weight that the mouth of a river fills in 5 is more than the weight for pressing down whirlpool device 1 so that
It is isolated by suppression whirlpool disk 101 between molten steel and mouth of a river plug 5, so the assembly of suppression whirlpool device 1 and mouth of a river plug 5 is not in molten steel at this time
The possibility of floating；
Step D, conduction part 6 is pushed to jack up mouth of a river plug 5 upward so that molten steel enters from flow diverter import 301 to be drained
In channel：
Under the driving of hydraulic mechanism, push rod 7 pushes conduction part 6 to be moved from accommodating chamber 1 to accommodating chamber 2 304, directly
The center line of through hole 601 is overlapped with the center line of drainage channel in flow diverter 3 on to conduction part 6, after conduction part 6 is pushed its
On the scarf 503 of jack-up inclined-plane 603 and the mouth of a river plug 5 contact, to which mouth of a river plug 5 be jacked up upward so that suppression whirlpool disk 101
Gap is formed between ladle bottom 2, guiding molten steel enters from flow diverter import 301 in drainage channel, and mouth of a river plug 5 is high at this time
Warm molten steel melting is liquid so that molten steel swimmingly flows down；
Step E, mouth of a river plug 5 is melted by molten steel, and suppression whirlpool device 1, which floats and presses down suspended state of the whirlpool device 1 in molten steel, to be become connecting
It is connected to the side of support element 103 downward：
There are gaps between suppression whirlpool disk 101 and ladle bottom 2, while mouth of a river plug 5 is melted completely by molten steel, originally to pressing down whirlpool
The molten steel static pressure that the formation of disk 101 is pressed down against function and effect is cancelled, and the gravity of mouth of a river plug 5 also disappears, and suppression whirlpool device 1 is because of density
Much smaller than molten steel and it is more than slag, is floated up in molten steel by buoyancy suppression whirlpool device 1；Suppression whirlpool device 1 is suspended in the slag face of ladle
Under, it melts away since the mouth of a river plug 5 connected on suppression 101 adapter piece 102 of whirlpool disk is melt, and the surrounding connection for pressing down whirlpool disk 101 is several
Support element 103, entire 1 distribution of weight of whirlpool device that presses down is uneven, and gravity centre distribution is in the side for being connected with support element 103, so suppression whirlpool device 1
Suspended state in molten steel becomes being connected with the side of support element 103 downward；
Step F, mobile upper slide 401 and lower skateboard 402 so that molten steel is flowed out to from conduction part 6 in long nozzle 8, steel
Liquid flows into tundish and crystallizer successively from the lower end of long nozzle 8；
After the temperature measuring equipment 9 installed in conduction part 6 senses that the temperature inside conduction part 6 drastically increases, move immediately
Slide plate 401 and lower skateboard 402 so that the center line of through-hole is exported with flow diverter in 302 on upper slide 401 and lower skateboard 402
Heart line overlaps, and guiding molten steel is flowed out to from conduction part 6 in long nozzle 8, and molten steel flows into tundish successively from the lower end of long nozzle 8
And crystallizer, carry out continuous casting；
Step G, suppression whirlpool device 1 falls the top at 2 mouth of a river of ladle bottom, and molten steel is between suppression whirlpool device 1 several support elements 103
Flow into 2 mouth of a river of ladle bottom, mobile upper slide 401 and lower skateboard 402 so that molten steel stops flow into long nozzle 8：
Latter stage is poured into a mould, as molten steel gradually decreases, molten steel ladle liquid level gradually moves down, and suppression whirlpool device 1 is in flowing molten steel
Gradually be drawn onto under effect and fall the top at 2 mouth of a river of ladle bottom so that molten steel from suppression whirlpool device 1 several support elements 103 it
Between flow into ladle bottom 2 mouth of a river, realization has reduced whirlpool height, and the effect of inhibition whirlpool formation can effectively reduce the note in ladle
It is remaining；At this point, mobile upper slide 401 and lower skateboard 402 so that molten steel stops flow into long nozzle 8 (that is, by 401 He of upper slide
Lower skateboard 402 is interlaced so that 302) upper slide 401 and lower skateboard 402 block flow diverter outlet；
Step H, separator import is placed in the lower section of 8 lower end of long nozzle, mobile upper slide 401 and lower skateboard 402 so that
The cast of molten steel and slag composition is remaining all to be flowed out in long nozzle 8 from conduction part 6, is then flowed from the lower end of long nozzle 8
Enter in separator 1001；
Step I, insulation cover 1003 is covered in separator import, inside 1002 electrified regulation separator 1001 of induction coil
Molten steel；Specifically, remaining according to being poured in temperature measuring element 1010 (i.e. thermocouple) the acquisition separator 1001 being placed in separator 1001
Temperature value, the output power of 1001 outside induction coil 1002 of separator is determined by the temperature value, to remaining determine to pouring
Amount heating so that pour the molten steel in remaining and be in above liquidus curve, keep molten steel flow；
Step J, under the effect of gravity, molten steel flows to the water conservancy diversion mouth of a river 7 from separator outlet, then along the water conservancy diversion mouth of a river 7
Cast riser 1009 is flowed into, mold 1008 is further flowed into；
Step K, after weighing piece 1011 detects that the molten steel injected in mold 1008 reaches predetermined weight, the casting that more renews
Mould 1008 continue inject molten steel (its inner-cavity structure of the mold 1008 of replacement is unlimited, thus can directly produce various structures to folder
The steel structure that sundries has no special requirements, such as well lid etc.)；When the molten steel stream in separator 1001 is complete, mobile keeper 1006 makes
The upper end of ash gate 1005 is rotated around door-hinge 1004, the slag adhered on ash gate 1005 is detached, then by ash gate 1005
It is fixed on keeper 1006, insulation cover 1003 is taken away from separator import, 1001 inside of separator prepares to flow into new steel
Packet cast is remaining.
In the present embodiment, the mixture that separator 1001 is used to receive to pour into a mould latter stage molten steel ladle and slag, insulation cover
1003 heat radiation for reducing mixture in separator 1001, induction coil 1002 are used for the mixture in separator 1001
It is heated, ensures the mobility of molten steel；Molten steel is entered by the water conservancy diversion mouth of a river 1007 in mold 1008, according to 1008 inner cavity of mold
Structure forms different steel structure parts；Slag passes through 1005 drain separator 1001 of ash gate；Weighing piece 1011 is become by weight
Change is monitored mold casting process；Temperature in separator 1001 is detected by temperature measuring element 1010 and corresponding Perceived control
Answer the power of coil 1002.
In the present embodiment, it will pour remaining middle slag using gravity and molten steel detaches under the conditions of hot, separation costs are low,
The physical sensible heat for remaining slag and molten steel simultaneously, can allow slag and molten steel to be further processed under the conditions of hot, fill
Divide and heat is utilized, avoids the waste of heat, improve economic benefit.
In the present embodiment, will pour it is remaining in molten steel be directly formed to final products, avoid the molten steel smelted from being intended only as
Steel scrap is smelted again, makes full use of existing heat and high-quality molten steel resource, converts waste resource to useful products, is realized
The maximization of the utilization of resources is poured remaining middle molten steel and is such as handled by prior art, is then worth=weight × scrap steel price, such as specially by this
Sharp technical finesse, then be worth=quantity × structural member price, and economic benefit obtains tremendous increase.
In the present embodiment, mouth of a river plug 5 includes first side 501 and second side 502, and first side 501 is fitted in drainage
On the inner wall in channel, second side 502 is from its top to the inclined inclined-plane in its bottom end, and the top of second side 502 is fitted in
On the inner wall of drainage channel, spacing between second side 502 and drainage channel inner wall flaring from top to bottom so that slightly by water
After mouth plug 5 jacks up, the gap that molten steel can be between second side 502 and drainage channel inner wall smoothly flows down, so that it is guaranteed that
The drainage effect of device.
In the present embodiment, the bottom end of second side 502 is equipped with scarf 503, the top of 6 other end of conduction part be equipped with it is oblique
The jack-up inclined-plane 603 that section 503 is mutually parallel so that scarf 503 is mutually smooth when being contacted with jack-up inclined-plane 603 to be bonded, and is drawn
Earliest contact is plane-plane contact between stream portion 6 and mouth of a river plug 5, increases contact area, is conducive to conduction part 6 mouth of a river plug 5 is flat
It is slow, lossless, swimmingly jack up.
In the present embodiment, the surrounding of suppression whirlpool disk 101 is connected with several support elements 103 extended upward so that the mouth of a river
When plug 5 is detached from the adapter piece 102 of 101 lower end of suppression whirlpool disk, the entire gravity centre distribution for pressing down whirlpool device 1 is being connected with support element 103
Side, to which in cast latter stage, under the action of flow molten steel, the support element 103 pressed down on whirlpool disk 101 automatically falls in Ladle Bottom
The top at 2 mouth of a river of portion so that molten steel can not reach 2 mouth of a river of ladle bottom above suppression whirlpool disk 101 directly through suppression whirlpool disk 101,
But from 2 mouth of a river of ladle bottom is flowed between suppression whirlpool device 1 several support elements 103, realization has reduced whirlpool height, inhibition scroll
At effect, can effectively reduce more than the note in ladle.
In the present embodiment, the lower end of suppression whirlpool disk 101 is connected with the adapter piece 102 of T-shaped structure, and adapter piece 102 is placed in the mouth of a river
Inside plug 5, the T-shaped structure design of adapter piece 102 enables adapter piece 102 to be firmly connected to inside mouth of a river plug 5；Press down whirlpool device
1 is made of high-temperature refractory, and the density for pressing down whirlpool device 1 is less than molten steel and is more than slag so that suppression whirlpool device 1 can freely hang
Float in the molten steel under slag face；Temperature measuring equipment 9 is installed, which can monitor in real time on the lateral wall of flow diverter 3
The variation of 3 internal temperature of flow diverter, once detect inside flow diverter 3 there is molten steel flow, you can by upper slide 401 and lower skateboard
402 open, and molten steel is discharged in time；For mouth of a river plug 5 for that can be drained the pig iron of molten steel melting, specific mouth of a river plug 5 is fusing point
The pig iron less than 1350 DEG C, fusing point are about 200-300 DEG C low compared to the molten steel drained so that molten steel leads in drainage channel
Out-of-date, mouth of a river plug 5 can be melted disappearance, so that suppression whirlpool device 1 floats, the suppression whirlpool process to pour into a mould latter stage does standard
It is standby.
In the present embodiment, through hole 601 is offered in conduction part 6 from top to bottom, the surrounding of through hole 601 is enclosed with package
Layer 602, the outer surface of the wrapping layer 602 is fitted with metal material, is pushed into defined position in conduction part 6 and jacks up mouth of a river plug 5
Afterwards, the design of through hole 601 enable the molten steel flowed into from flow diverter import 301 smoothly flow through conduction part 6 reach flow diverter go out
The surrounding of mouth 302, through hole 601 wraps up refractory material so that and conduction part 6 is not melted by molten steel when molten steel flows through conduction part 6, from
And the state for maintaining mouth of a river plug 5 to be jacked up, it is ensured that molten steel smooth flow；602 outer surface of wrapping layer is bonded metal material so that packet
For covering layer 602 during contacting mouth of a river plug 5 and jacking up mouth of a river plug 5, the structure of itself is not knocked destruction, so that it is guaranteed that drainage
The long-time service in portion 6.
Drainage mechanism in the present embodiment, ladle open pour during not will produce traditional drainage sand open pour caused by it is secondary
Pollution ensures molten steel cleanliness, improves product quality, increases economic efficiency；And Ladle Bottom can be inhibited in steel ladle pouring latter stage
Whirlpool is formed above 2 mouth of a river of portion, reduces the slag height of molten steel, is reduced Casting Remnant, is increased economic efficiency.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. useless pour remaining straight forming method, it is characterised in that include the following steps：
Step A, prepare to give up and pour remaining straight forming device, make the assembly of suppression whirlpool device (1) and mouth of a river plug (5)：
Step B, installation flow diverter (3) and mouth of a river plug 5：
Step C, molten steel is contained in ladle：
Step D, conduction part (6) is pushed to jack up mouth of a river plug 5 upward so that molten steel enters from flow diverter import (301) to be drained
In channel：
Step E, mouth of a river plug (5) is melted by molten steel, and suppression whirlpool device (5), which floats and presses down suspended state of the whirlpool device (1) in molten steel, to be become
It is connected with the side of support element 103 downward：
Step F, mobile upper slide 401 and lower skateboard 402 so that molten steel is flowed out to from conduction part (6) in long nozzle (8), steel
The lower end of liquid from long nozzle (8) flows into tundish and crystallizer successively；
Step G, suppression whirlpool device (1) falls the top at 2 mouth of a river of ladle bottom, and molten steel is between suppression whirlpool device (1) several support elements 103
Flow into 2 mouth of a river of ladle bottom, mobile upper slide 401 and lower skateboard 402 so that molten steel stops flow into long nozzle (8)：
Step H, separator import is placed in the lower section of long nozzle (8) lower end, mobile upper slide (401) and lower skateboard (402), made
The cast residue for obtaining molten steel and slag composition is all flowed out to from conduction part (6) in long nozzle (8), then from long nozzle (8)
Lower end flow into separator (1001)；
Step I, insulation cover 1003 is covered in separator import, induction coil (1002) electrified regulation separator (1001) is internal
Molten steel；
Step J, under the effect of gravity, molten steel flows to the water conservancy diversion mouth of a river (7) from separator outlet, then along the water conservancy diversion mouth of a river (7)
Cast riser (1009) is flowed into, mold (1008) is further flowed into；
Step K, after weighing piece (1011) detects that the molten steel injected in mold (1008) reaches predetermined weight, the casting that more renews
Mould (1008) continues to inject molten steel；When the molten steel stream in separator (1001) is complete, mobile keeper (1006) is so that ash gate
(1005) upper end is rotated around door-hinge 1004, and the slag adhered on ash gate (1005) is detached, then ash gate (1005) are solid
It is scheduled on keeper (1006), insulation cover 1003 is taken away from separator import, prepare to flow into newly inside separator (1001)
Steel ladle pouring is remaining.
2. according to claim 1 give up pours remaining straight forming method, which is characterized in that described give up pours remaining straight forming device
Including drainage mechanism and shaping mechanism；The drainage mechanism is for providing cast remaining molten steel；The shaping mechanism includes：
Separator (1001), the inner hollow setting of the separator (1001), the bottom of separator (1001) is obliquely installed for one
Ash gate (1005), the upper end of the ash gate (1005) and be installed on separator (1001) side door-hinge (1004) rotation connect
It connects, lower end and the keeper (1006) of ash gate (1005) are connected；The upper end of the separator (1001) be separator into
Mouthful, it is separator outlet between the lower end and the madial wall of separator (1001) of ash gate (1005)；
The top of mold (1008), the mold (1008) is equipped with molten steel import, and the molten steel import is located at the separator outlet
Lower section.
3. according to claim 2 give up pours remaining straight forming method, it is characterised in that：The surrounding of the separator (1001)
It is surrounded with induction coil (1002).
4. according to claim 3 give up pours remaining straight forming method, it is characterised in that：The molten steel import is equipped with cast
Riser (1009), the separator outlet are connected to by the water conservancy diversion mouth of a river (1007) with cast riser (1009).
5. according to claim 4 give up pours remaining straight forming method, it is characterised in that：It is set inside the separator (1001)
There is temperature measuring element (1010).
6. useless according to claim 2-5 any one pours remaining straight forming method, it is characterised in that：The mold
(1008) it is set on weighing piece (1011).
7. useless according to claim 2-5 any one pours remaining straight forming method, it is characterised in that：The separator into
Insulation cover (1003) is removably stamped on mouth.
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| CN201810528548.1A CN108705059B (en) | 2018-05-29 | 2018-05-29 | direct forming method for waste casting residue |
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| CN201810528548.1A CN108705059B (en) | 2018-05-29 | 2018-05-29 | direct forming method for waste casting residue |
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Cited By (1)
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|---|---|
| CN108705059B (en) | 2019-12-13 |
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