CN108405846A - Ladle draining presses down whirlpool device - Google Patents
Ladle draining presses down whirlpool device Download PDFInfo
- Publication number
- CN108405846A CN108405846A CN201810529647.1A CN201810529647A CN108405846A CN 108405846 A CN108405846 A CN 108405846A CN 201810529647 A CN201810529647 A CN 201810529647A CN 108405846 A CN108405846 A CN 108405846A
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- China
- Prior art keywords
- flow diverter
- ladle
- mouth
- conduction part
- river
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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
- B22D41/14—Closures
- B22D41/44—Consumable closure means, i.e. closure means being used only once
Abstract
The invention discloses a kind of ladle drainings to press down whirlpool device, is related to ladle draining device field in continuous casting of iron and steel production process.The present invention includes：Flow diverter, flow diverter is interior to form drainage channel from flow diverter import to flow diverter export direction；Press down whirlpool device, suppression whirlpool device includes suppression whirlpool disk, and the lower end of the suppression whirlpool disk is connected with mouth of a river plug, and mouth of a river plug can be inserted into from flow diverter import in drainage channel；The surrounding of suppression whirlpool disk is connected with several support elements extended upward；And conduction part, conduction part are placed in accommodating chamber one, one end of conduction part is connect with push rod, the other end face accommodating chamber two of conduction part.It is an object of the invention to overcome the shortcomings of existing continuous casting open pour during reduce using stuffing sand molten steel cleanliness and to form a large amount of steel ladle pourings in steel ladle pouring latter stage remaining, provide a kind of ladle draining suppression whirlpool device, avoid ladle open pour during stuffing sand use, ensure molten steel cleanliness, the slag height for reducing molten steel, reduces Casting Remnant.
Description
Technical field
The present invention relates to ladle draining device fields in continuous casting of iron and steel production process, more specifically to a kind of ladle
Drainage suppression whirlpool device.
Background technology
In the continuous casting production process of iron and steel enterprise, to enable ladle molten steel smoothly to flow out, need in ladle bottom water
Dystectic mealy oxide is inserted in mouthful as stuffing sand, after the slide plate at the mouth of a river is opened, molten steel can be with the outflow of stuffing sand
And flow out, to complete to open the process of pouring.People pour performance and have done a large amount of research to opening for stuffing sand so that open the technology of pouring at present
It is highly developed.
The material of common stuffing sand mainly has chromium matter, siliceous, white olivine at present, and wherein chromium matter stuffing sand is due to automatic
Casting rate is high, and use scope is wide, in the most commonly used of iron and steel enterprise.But the requirement with social development to steel degree of purity
It increasingly improves, the degree of purity of the continuous development of iron and steel smelting technology, molten steel is higher and higher.The study found that casting process is made originally
To improve a process of molten steel cleanliness, it is gradually converted into the process for reducing molten steel cleanliness, stuffing sand is to molten steel cleanness
Influence be one of factor.
Has related open, example about the technical solution for improving molten steel cleanliness during opening and pour in continuous casting in the prior art
Such as patent publication No.：104338926 A of CN, publication date：On February 11st, 2015, invention and created name are：A kind of raising ladle
From rate of pouring and the method for molten steel cleanliness, this application is related to a kind of method that raising ladle pours rate and molten steel cleanliness certainly, packet
It includes and fills upper plugged zone substance and lower plugged zone substance into filling pipe end, upper plugged zone substance is chromium matter stuffing sand, lower plugged zone
Substance is spheric granules ferroalloy, further includes filling mixed layer substance between upward plugged zone substance and lower plugged zone substance, mixes
It is spherical ferroalloy and drainage sand mixture, the fineness ratio ranging from 2~5 of spherical ferroalloy and stuffing sand to close layer substance.The Shen
Please case by the use of spherical ferroalloy, reduce stuffing sand usage amount, improve molten steel cleanliness.
For another example patent publication No.：103433476 A of CN, publication date：On December 11st, 2013, invention and created name are：Umbrella
Shape ladle pouring combines conduction plug and setting method, conduction plug disclosed in this application by set in umbrella shape drainage sand pocket, exoperidium,
Fasten lath and underlying drainage sand pocket composition；On set drainage sand pocket and be made of umbrella frame and soft wire mesh bag, umbrella frame
It collapses, it is in rod shape above to set drainage sand pocket, and umbrella frame struts, and it is in back taper above to set drainage sand pocket；Fastening lath is all provided in umbrella frame
Frame lower part, underlying drainage sand pocket are placed in the cavity that fastening lath surrounds, and top is connected with drainage sand pocket is above set.In use, tight
Solid plate item is fastened on the inner wall of the mouth of a river；The top that drainage sand pocket is covered in the mouth of a river is set in umbrella shape.This application mainly passes through umbrella shape
Ladle pouring combines conduction plug, improves the utilization rate of stuffing sand.
Also such as patent publication No.：102746010 A of CN, publication date：On October 24th, 2012, invention and created name are：Chromium
Aluminum ladle draining sand, this application discloses a kind of Chromium-aluminum steel ladle drainage sands, and it includes 60~70 parts of chrome ore, 10~20
The high aluminium ore of part, 10~20 Desert Sand and 10~20 parts of properties modifiers.This application using chromium, based on aluminium ore, addition it is suitable
Ladle fluid conducting material made of properties modifier is measured, the automatic casting ratio of ladle is improved.
But the existing technical solution about raising molten steel cleanliness during opening and pour in continuous casting is all without departing from stuffing sand
Use, these stuffing sands are opened pour after enter in molten steel as oxide, formation large inclusions, size is typically at least high
Inclusion size an order of magnitude in raw steel liquid, seriously affects the stability of steel product quality.
Meanwhile ladle hang ladle turret after start to pour, in ladle other than molten steel, be also covered on molten steel surface
One layer of slag or refining slag.Steel ladle pouring latter stage, as molten steel gradually decreases, after arrival certain depth on the ladle bottom mouth of a river
Side starts whirlpool occur, and the slag on molten steel surface can be involved in the mouth of a river by whirlpool, be subsequently entered in tundish molten steel, forms large scale
Field trash.Therefore, molten steel cleanliness is influenced to avoid steel ladle pouring latter stage slag from being involved in molten steel, usually in cast latter stage whirlpool
Volute stops cast at preceding, can form a large amount of steel ladle pourings remnants being mainly made of slag and molten steel, these ladles in this way
Cast is remaining to be only used as secondary resource to handle, wherein failing to embody by the molten steel economic value smelted.
In conclusion how to overcome existing continuous casting open pour during molten steel cleanliness is reduced using stuffing sand and in steel
Packet cast latter stage forms the deficiency of a large amount of steel ladle pouring remnants, is the technical barrier of urgent need to resolve in the prior art.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome existing continuous casting open pour during reduced using stuffing sand molten steel cleanliness and
The deficiency that a large amount of steel ladle pouring remnants are formed in steel ladle pouring latter stage provides a kind of ladle draining suppression whirlpool device, avoids ladle
The use of stuffing sand during pouring is opened, ensures molten steel cleanliness, reduces the slag height of molten steel, reduce Casting Remnant.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
The ladle draining of the present invention presses down whirlpool device, including：
The upper end of flow diverter, the flow diverter is equipped with flow diverter import, and the lower end of flow diverter is exported equipped with flow diverter, flow diverter
It is interior that drainage channel is formed from flow diverter import to flow diverter export direction；The both sides of drainage channel are respectively equipped with receiving in flow diverter
Chamber one and accommodating chamber two；
Suppression whirlpool device, the suppression whirlpool device include suppression whirlpool disk, and the lower end of the suppression whirlpool disk is connected with mouth of a river plug, and the mouth of a river plug can be certainly
Flow diverter import is inserted into the drainage channel；The surrounding of the suppression whirlpool disk is connected with several support elements extended upward；
And conduction part, the conduction part are placed in accommodating chamber one, one end of conduction part is connect with push rod, conduction part it is another
One end face accommodating chamber two.
As further improvement of the present invention, the mouth of a river plug includes first side and second side, first side
Face is fitted on the inner wall of the drainage channel；The second side is from its top to the inclined inclined-plane in its bottom end described the
The top of two side faces is fitted on the inner wall of the drainage channel, between the second side and the drainage channel inner wall between
The flaring away from from top to bottom.
As further improvement of the present invention, the bottom end of the second side is equipped with scarf, and the conduction part is another
The top at end is equipped with the jack-up inclined-plane being mutually parallel with the scarf.
As further improvement of the present invention, through hole is offered from top to bottom in the conduction part.
As further improvement of the present invention, the surrounding of the through hole is enclosed with wrapping layer, the appearance of the wrapping layer
Face is fitted with metal material.
As further improvement of the present invention, the flow diverter import is located at the lower section at the ladle bottom mouth of a river, described to draw
Device outlet is flowed positioned at the top of long nozzle；The mouth of a river plug is made of the pig iron material that can be drained molten steel melting.
As further improvement of the present invention, it is equipped between the flow diverter outlet and the upper end of long nozzle stacked on top of each other
Upper slide, lower skateboard, through-hole is respectively equipped on upper slide and lower skateboard.
As further improvement of the present invention, the lower end of the suppression whirlpool disk is connected with the adapter piece of T-shaped structure, described to connect
It is internal that head is placed in mouth of a river plug.
As further improvement of the present invention, temperature measuring equipment is installed on the flow diverter.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result：
(1) present invention not will produce traditional drainage sand and open during ladle is opened and poured pours caused secondary pollution, ensures steel
Liquid degree of purity improves product quality, increases economic efficiency；And whirlpool above the ladle bottom mouth of a river can be inhibited in steel ladle pouring latter stage
Volute is at reducing the slag height of molten steel, reduce Casting Remnant, increase economic efficiency.
(2) in the present invention, mouth of a river plug includes first side and second side, and first side is fitted in the inner wall of drainage channel
On, second side is from its top to the inclined inclined-plane in its bottom end, and the top of second side is fitted on the inner wall of drainage channel,
Spacing between second side and drainage channel inner wall flaring from top to bottom so that after slightly mouth of a river plug is jacked up, molten steel
Gap between second side and drainage channel inner wall smoothly flows down, so that it is guaranteed that the drainage effect of device.
(3) in the present invention, the bottom end of second side is equipped with scarf, and the top of the conduction part other end is equipped with and scarf phase
Mutually parallel jack-up inclined-plane so that scarf is bonded with mutually smooth when jacking up contact of incline plane, between conduction part and mouth of a river plug most
Early contact is plane-plane contact, increases contact area, conducive to conduction part by the mouth of a river fill in it is gentle, lossless, swimmingly jack up.
(4) in the present invention, the surrounding of suppression whirlpool disk is connected with several support elements extended upward so that mouth of a river plug presses down certainly
When being detached on the adapter piece of whirlpool disk lower end, the entire gravity centre distribution for pressing down whirlpool device is in the side for being connected with support element, to pour into a mould
In latter stage, under the action of flowing molten steel, the support element pressed down on whirlpool disk automatically falls in the top at the ladle bottom mouth of a river so that molten steel without
Method reaches the ladle bottom mouth of a river above suppression whirlpool disk directly through suppression whirlpool disk, but is flowed into from pressing down between whirlpool device several support elements
The ladle bottom mouth of a river, realization have reduced whirlpool height, and the effect for inhibiting whirlpool to be formed can effectively reduce more than the note in ladle.
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 that the ladle draining of embodiment presses down the structural schematic diagram of whirlpool device；
Fig. 2 is the schematic cross-sectional view for pressing down whirlpool device in embodiment；
Fig. 3 is the overlooking structure diagram for pressing down whirlpool device in embodiment；
Fig. 4 is the structural schematic diagram that the mouth of a river is filled in embodiment；
Fig. 5 is the structural schematic diagram of conduction part in embodiment；
Fig. 6 is the structural schematic diagram of flow diverter in embodiment；
Fig. 7 is the flow chart of the ladle draining 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.
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. 1-6, the ladle draining of the present embodiment presses down whirlpool device, including：The upper end of flow diverter 3, the flow diverter 3 is equipped with
Flow diverter import 301, the lower end of flow diverter 3 are equipped with flow diverter and export 302, and flow diverter 3 is interior from flow diverter import 301 to flow diverter
It exports 302 directions and forms drainage channel；The both sides of drainage channel are respectively equipped with accommodating chamber 1 and accommodating chamber two in flow diverter 3
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 the adapter piece 102 of T-shaped structure, connects
Head 102 is placed in inside mouth of a river plug 5, and mouth of a river plug 5 can be inserted into from flow diverter import 301 in drainage channel；Press down the surrounding of whirlpool disk 101
It is connected with several support elements 103 extended upward；And conduction part 6, conduction part 6 are placed in accommodating chamber 1, conduction part
6 one end is connect with push rod 7, and (push rod 7 is driven the other end face accommodating chamber 2 304 of conduction part 6 by hydraulic mechanism, can will be drawn
Push the restriction site of accommodating chamber 2 304 to from accommodating chamber 1 in stream portion 6).Wherein, mouth of a river plug 5 includes first side 501 and the
Two side faces 502, first side 501 are fitted on the inner wall of drainage channel；Second side 502 is to be tilted from its top to its bottom end
Inclined-plane, the top of second side 502 is fitted on the inner wall of drainage channel, between second side 502 and drainage channel inner wall
Spacing flaring from top to bottom；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；Through hole 601, the surrounding of through hole 601 are offered in conduction part 6 from top to bottom
It is enclosed with wrapping layer 602, the outer surface of the wrapping layer 602 is fitted with metal material.Flow diverter import 301 is located at ladle bottom 2
The lower section at the mouth of a river, flow diverter outlet 302 are located at the top of long nozzle 8, specifically, the upper end of flow diverter outlet 302 and long nozzle 8
Between be equipped with upper slide 401 stacked on top of each other, lower skateboard 402, through-hole is respectively equipped on upper slide 401 and lower skateboard 402；Draw
It flows and temperature measuring equipment 9 is installed on the lateral wall of device 3, which is radio temperature sensor 9, can monitor drainage in real time
The variation of 3 internal temperature of device.
In conjunction with Fig. 7, the ladle draining method of the present embodiment includes the following steps：
Step A, prepare ladle draining and press down whirlpool 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 by molten steel, originally to pressing down whirlpool disk
The molten steel static pressure that 101 formation are 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 remote because of density
Less 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 be suspended in ladle slag face it
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 member 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 exists
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：
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 ladle draining is completed；
Step G, cast latter stage suppression whirlpool device 1 falls the top at 2 mouth of a river of ladle bottom, and from suppression whirlpool device 1, several are supported molten steel
2 mouth of a river of ladle bottom is flowed between part 103：
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.
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；Mouth of a river plug 5 is made of the pig iron material that can be drained molten steel melting, specific mouth of a river plug
5 are less than 1350 DEG C of the pig iron for fusing point, and fusing point is about 200-300 DEG C low compared to the molten steel drained so that molten steel is draining
In channel by when, mouth of a river plug 5 can be melted disappearances, so that suppression whirlpool device 1 floats, for the suppression whirlpool mistake in cast latter stage
Journey is prepared.
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.
The ladle draining of the present embodiment presses down whirlpool device, and not will produce traditional drainage sand during ladle is opened and poured and open to pour causes
Secondary pollution, ensure molten steel cleanliness, improve product quality, increase economic efficiency；And it can inhibit in steel ladle pouring latter stage
Whirlpool is formed above 2 mouth of a river of ladle bottom, 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 (9)
1. ladle draining presses down whirlpool device, it is characterised in that including：
The upper end of flow diverter (3), the flow diverter (3) is equipped with flow diverter import (301), and the lower end of flow diverter (3) is equipped with flow diverter
It exports (302), exporting (302) direction from flow diverter import (301) to flow diverter in flow diverter (3) forms drainage channel；Drainage
The both sides of device (3) interior drainage channel are respectively equipped with accommodating chamber one (303) and accommodating chamber two (304)；
Press down whirlpool device (1), the suppression whirlpool device (1) includes suppression whirlpool disk (101), and the lower end of the suppression whirlpool disk (101) is connected with mouth of a river plug
(5), the mouth of a river plug (5) can be inserted into from flow diverter import (301) in the drainage channel；The surrounding of the suppression whirlpool disk (101)
It is connected with several support elements (103) extended upward；
And conduction part (6), the conduction part (6) are placed in accommodating chamber one (303), one end and the push rod (7) of conduction part (6) connect
It connects, the other end face accommodating chamber two (304) of conduction part (6).
2. ladle draining according to claim 1 presses down whirlpool device, it is characterised in that：The mouth of a river plug (5) includes the first side
Face (501) and second side (502), the first side (501) are fitted on the inner wall of the drainage channel；The second side
Face (502) is from its top to the inclined inclined-plane in its bottom end, and the top of the second side (502) is fitted in the drainage channel
Inner wall on, spacing between the second side (502) and drainage channel inner wall flaring from top to bottom.
3. ladle draining according to claim 2 presses down whirlpool device, it is characterised in that：The bottom end of the second side (502)
Equipped with scarf (503), the top of conduction part (6) other end is equipped with the jack-up being mutually parallel with the scarf (503)
Inclined-plane (603).
4. ladle draining according to claim 3 presses down whirlpool device, it is characterised in that：On the conduction part (6) from top to bottom
Offer through hole (601).
5. ladle draining according to claim 4 presses down whirlpool device, it is characterised in that：The surrounding packet of the through hole (601)
It is wrapped with wrapping layer (602), the outer surface of the wrapping layer (602) is fitted with metal material.
6. the ladle draining according to claim 1-5 any one presses down whirlpool device, it is characterised in that：The flow diverter import
(301) it is located at the lower section at ladle bottom (2) mouth of a river, the flow diverter outlet (302) is located at the top of long nozzle (8)；The water
Mouth plug (5) is made of the pig iron material that can be drained molten steel melting.
7. ladle draining according to claim 6 presses down whirlpool device, it is characterised in that：The flow diverter outlet (302) and length
Upper slide (401) stacked on top of each other, lower skateboard (402), upper slide (401) and lower skateboard are equipped between the upper end at the mouth of a river (8)
(402) through-hole is respectively equipped on.
8. ladle draining according to claim 6 presses down whirlpool device, it is characterised in that：The lower end of the suppression whirlpool disk (101) connects
It is connected to the adapter piece (102) of T-shaped structure, it is internal that the adapter piece (102) is placed in mouth of a river plug (5).
9. ladle draining according to claim 6 presses down whirlpool device, it is characterised in that：Survey is installed on the flow diverter (3)
Warm device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529647.1A CN108405846B (en) | 2018-05-29 | 2018-05-29 | Ladle drainage vortex suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529647.1A CN108405846B (en) | 2018-05-29 | 2018-05-29 | Ladle drainage vortex suppression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108405846A true CN108405846A (en) | 2018-08-17 |
| CN108405846B CN108405846B (en) | 2023-09-22 |
Family
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| CN201810529647.1A Active CN108405846B (en) | 2018-05-29 | 2018-05-29 | Ladle drainage vortex suppression device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775336B1 (en) * | 2006-12-22 | 2007-11-08 | 주식회사 포스코 | Apparatus for preventing vortex of molten steel in tundish |
| CN101844223A (en) * | 2010-06-22 | 2010-09-29 | 重庆大学 | Structure for preventing continuous casting tundish from producing rotational flows |
| CN102091776A (en) * | 2011-03-30 | 2011-06-15 | 周宇明 | Ladle nozzle casting combined drainage plug |
| CN202356599U (en) * | 2011-11-29 | 2012-08-01 | 中冶南方工程技术有限公司 | Slide gate nozzle device for preventing occurrence of vortex |
| CN208276168U (en) * | 2018-05-29 | 2018-12-25 | 马鞍山尚元冶金科技有限公司 | Ladle draining presses down whirlpool device |
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2018
- 2018-05-29 CN CN201810529647.1A patent/CN108405846B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775336B1 (en) * | 2006-12-22 | 2007-11-08 | 주식회사 포스코 | Apparatus for preventing vortex of molten steel in tundish |
| CN101844223A (en) * | 2010-06-22 | 2010-09-29 | 重庆大学 | Structure for preventing continuous casting tundish from producing rotational flows |
| CN102091776A (en) * | 2011-03-30 | 2011-06-15 | 周宇明 | Ladle nozzle casting combined drainage plug |
| CN202356599U (en) * | 2011-11-29 | 2012-08-01 | 中冶南方工程技术有限公司 | Slide gate nozzle device for preventing occurrence of vortex |
| CN208276168U (en) * | 2018-05-29 | 2018-12-25 | 马鞍山尚元冶金科技有限公司 | Ladle draining presses down whirlpool device |
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| CN108405846B (en) | 2023-09-22 |
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