CN109990972A - A kind of continuous casting water test model and method - Google Patents
A kind of continuous casting water test model and method Download PDFInfo
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- CN109990972A CN109990972A CN201910148678.7A CN201910148678A CN109990972A CN 109990972 A CN109990972 A CN 109990972A CN 201910148678 A CN201910148678 A CN 201910148678A CN 109990972 A CN109990972 A CN 109990972A
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- simulation
- tundish
- simulation box
- continuous casting
- ladle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of continuous casting water test model and method, which includes: the ladle simulation box, and feed inlet is connected with the feed bin for being contained with magnetic-particle, and inlet is connected with medium source；Tundish simulation box, is arranged inside tundish simulating piece, and the feed inlet of the tundish simulation box is connected with the discharge port of the ladle simulation box；Crystallizer is simulated, the feed inlet of the simulation crystallizer is connected with the discharge port of the tundish simulation box, and is provided with flow control structure between the feed inlet of the simulation crystallizer and the discharge port of the tundish simulation box；There is electromagnetic coil, the electromagnetic coil is electrically connected with external power supply at least one of the tundish simulation box and the simulation crystallizer.The continuous casting water test model and method can be used in the model that high-temperature molten steel flow field continuously measures comprehensively, with analog simulation production technology, metallargist be enabled to fully understand and grasp the confusor channel in continuous casting process.
Description
Technical field
The invention belongs to metallurgical technology field more particularly to a kind of continuous casting water test model and methods.
Background technique
Metallurgical continuous casting process is the process that high-temperature liquid state molten steel is changed into solid strand, continuous casting process ladle, tundish, knot
There is vital effect in the flow field of molten steel to steel product quality and continuous production, stability in brilliant device.And it lacks in the prior art
It can be used in the model that high-temperature molten steel flow field continuously measures comprehensively less, with analog simulation production technology, metallurgical work can not be made
Person fully understands and grasps the confusor channel of ladle in continuous casting process, tundish, Mold.
Summary of the invention
The object of the present invention is to provide a kind of continuous casting water test model and methods, ask at least partly to solve above-mentioned technology
Topic, the purpose are achieved through the following technical solutions.
The present invention provides a kind of continuous casting water test models, comprising:
The feed inlet of ladle simulation box, the ladle simulation box is connected with the feed bin for being contained with magnetic-particle, feed liquor
Mouth is connected with medium source；
Tundish simulation box is provided with tundish simulating piece in the tundish simulation box, the tundish simulation box
Feed inlet is connected with the discharge port of the ladle simulation box；
Crystallizer is simulated, the feed inlet of the simulation crystallizer is connected with the discharge port of the tundish simulation box, and
Flow control structure is provided between the feed inlet of the simulation crystallizer and the discharge port of the tundish simulation box；
There is electromagnetic coil, the electromagnetic wire at least one of the tundish simulation box and the simulation crystallizer
Circle is electrically connected with external power supply.
Further, further include bracket, the ladle simulation box, tundish simulation box and simulation crystallizer from top to bottom according to
It is secondary to be fixed on the bracket.
It further, further include puddle support and the stirring body for being installed on the puddle support, the puddle support is fixed in described
Bracket, the stirring body protrude into the accommodating space of the ladle simulation box.
Further, the magnetic-particle is nano-sized magnetic particles, is provided with scale hooper, the feed bin in the feed bin
It is connected to by blanking channel with the ladle simulation box, and is provided with blanking electric vibrator on the blanking channel.
Further, sliding plate flow-control part is provided in the ladle simulation box.
Further, the tundish simulating piece includes gear at least one of weir and barricade.
Further, the flow control structure is stopper, is equipped with blowing argon gas channel in the stopper.
Further, the simulation crystallizer is two, and there are two liquid outlet, two moulds for the tundish simulation box tool
The inlet of quasi- crystallizer is connected with the liquid outlet of the tundish simulation box correspondingly respectively.
Further, the bottom of the simulation crystallizer has water outlet, and the water outlet is provided with flow control valve
Door.
The present invention also provides a kind of continuous casting water test methods, comprising the following steps:
S1: filling the water into ladle simulation box, while weighing the nano-sized magnetic particles of predetermined amount, and is added to ladle simulation
In case, after water filling reaches set amount, stirring body is opened, nano-sized magnetic particles and water are mixed；
S2: the sliding plate flow-control part in control ladle simulation box exit injects water into tundish simulation box, converts tundish
The position of weir and barricade is kept off inside simulation box to adjust the interior shape of tundish simulation box, is simulated different tundish shapes, is seen
Nano-sized magnetic particles floating situation is examined, is controlled at the caput of stopper, the electromagnetic force on submersed nozzle top, simulates and is tied at stopper
Dross at tumor and filling pipe end observes flow field change；
S3: being injected water into two simulation crystallizers by stopper rod flow control by submersed nozzle, and submersed nozzle is controlled
Different parts electromagnetic force, model observe flow field change in submersed nozzle different parts dross；
S4: pass through control nano-sized magnetic particles concentration, the structure of tundish simulation box and liquid level, stopper Argon air-flow
Amount, two simulation crystallizers go out water speed to simulate Cleanliness of Molten Steel, tundish structure and liquid level, stopper argon flow, draw
The manufacturing parameters such as speed are mutually coupled effect and its influence of stream field.
Continuous casting water test model provided by the invention and method, which can simulate Molten Steel Cleanliness, nozzle blocking etc., influences flow field
Operating condition, by being embedded in electromagnetic wire in stopper head location, entire submersed nozzle on the basis of original common water model
Circle, and realize that electromagnetic force is controllably fine-tuning；Meanwhile being mixed into nano-sized magnetic particles in water to simulate field trash in molten steel, lead to
Transformation nano-sized magnetic particles concentration of analog Cleanliness of Molten Steel is crossed, it is different in stopper caput and submersed nozzle by controlling to adjust
The electromagnetic force of position assembles magnetic-particle in different positions, and simulation generates field trash dross in different location, observes flow field
Rule of conversion；Also, nano-sized magnetic particles are adsorbed by electromagnetic force, as thick layer increases, between nano-sized magnetic particles
Form close magnetic-particle group, resistance increases, it may occur that the process to fall off is impacted by stream stock, with field trash dross mistake in molten steel
Journey is very much like, and dross blocking shape be self-assembling formation and constantly convert also closer to actual production process.In this way,
The continuous casting water test model and method can be used in the model that high-temperature molten steel flow field continuously measures comprehensively, be produced with analog simulation
Technique enables metallargist to fully understand and grasp the flow field of ladle in continuous casting process, tundish, Mold
Rule.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of continuous casting water test model provided by the present invention.
Description of symbols:
1- ladle simulation box 2- feed bin 3- tundish simulation box 4- simulates crystallizer
5- electromagnetic coil 6- bracket 7- puddle support 8- stirring body 9- blanking channel
10- stopper 11- flow control valve
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of structural representation of specific embodiment of continuous casting water test model provided by the present invention
Figure.
In a specific embodiment, continuous casting water test model provided by the invention includes ladle simulation box 1, tundish
Simulation box 3 and simulation crystallizer 4；Wherein, ladle simulation box 1 is water tank for simulating ladle, the ladle simulation box 1 into
Material mouth is connected with the feed bin 2 for being contained with magnetic-particle, and inlet is connected with medium source, and medium is water, medium source at this time
For water source, theoretically, medium may be other fluid media (medium)s, and be not limited to water.It is provided in the ladle simulation box 1
Sliding plate flow-control part, to adjust water flow size and flow as needed.
Tundish simulating piece is provided in tundish simulation box 3, by the adjustment and replacement of tundish simulating piece, in change
Between the operating condition simulated of packet simulation box 3, to adapt to a variety of different operating conditions, wherein the feed inlet of the tundish simulation box 3
It is connected with the discharge port of the ladle simulation box 1, the water of the miscella magnetic-particle in ladle simulation box 1 successively passes through ladle
The discharge port of simulation box 1 and the feed inlet of tundish simulation box 3 enter tundish simulation box 3.Above-mentioned tundish simulating piece can be with
Including keeping off at least one of weir and barricade, meanwhile, one or more can also be arranged by keeping off weir and barricade, during the work time,
By adjusting gear weir and/or the position of barricade, and the quantity on gear weir and barricade, the interior shape of tundish simulation box 3 is converted,
To realize the simulation of a variety of tundish operating conditions.
Simulation crystallizer 4 is for simulating crystalline environment, the feed inlet and the tundish simulation box of the simulation crystallizer 4
3 discharge port is connected, and is arranged between the feed inlet of the simulation crystallizer 4 and the discharge port of the tundish simulation box 3
There is flow control structure, which is stopper 10, blowing argon gas channel is equipped in the stopper 10, to be adjusted into simulation crystallization
The water flow of device 4.There is electromagnetic coil 5 at least one of the tundish simulation box 3 and the simulation crystallizer 4, it is described
Electromagnetic coil 5 is electrically connected with external power supply, to realize that electromagnetic force is controllably fine-tuning, to more agree with simulation actual production shape
State.
In order to improve the integration of equipment, Each part is integrated on the operating position of Relatively centralized, the continuous casting water
Test model further includes bracket 6, and the ladle simulation box 1, tundish simulation box 3 and simulation crystallizer 4 are successively solid from top to bottom
It is connected on the bracket 6, provides support will pass through bracket 6 as each cabinet.Theoretically, which can also use sub-truss
Or the structures such as supporting box substitution.
Also settable agitating device, water is uniformly mixed with magnetic-particle in ladle simulation box 1.Specifically, the company
Casting water test model further includes puddle support 7 and the stirring body 8 for being installed on the puddle support 7, and the puddle support 7 is fixed in the branch
Frame 6, the stirring body 8 protrude into the accommodating space of the ladle simulation box 1.It is mountable on puddle support 7 to have a motor, motor with stir
The transmission connection of body 8 is mixed, and stirring body 8 is driven to rotate.
Specifically, above-mentioned magnetic-particle is nano-sized magnetic particles, is provided with scale hooper, the feed bin 2 in the feed bin 2
It is connected to by blanking channel 9 with the ladle simulation box 1, and is provided with blanking electric vibrator on the blanking channel 9, in feed bin 2
Magnetic-particle through blanking channel 9 enter ladle simulation box 1, blanking electric vibrator continue or interruption open, to avoid magnetic-particle
Remain in blanking channel 9.
In order to improve solidification imitation ability, the simulation crystallizer 4 is two, and two simulation crystallizers 4 are arranged in juxtaposition, institute
The tool of tundish simulation box 3 is stated there are two liquid outlet, the inlets of the two simulation crystallizers 4 respectively with the tundish simulation box
3 liquid outlet is connected correspondingly, and the bottom of each simulation crystallizer 4 all has water outlet, each water outlet
Place is provided with flow control valve 11.
Continuous casting water test model provided by the invention, which can simulate Molten Steel Cleanliness, nozzle blocking etc., influences the work in flow field
Condition, by being embedded in electromagnetic coil 5 in 10 head location of stopper, entire submersed nozzle on the basis of original common water model,
And realize that electromagnetic force is controllably fine-tuning；Meanwhile being mixed into nano-sized magnetic particles in water to simulate field trash in molten steel, pass through change
Nano-sized magnetic particles concentration of analog Cleanliness of Molten Steel is changed, by controlling to adjust different positions in 10 caput of stopper and submersed nozzle
The electromagnetic force set assembles magnetic-particle in different positions, and simulation generates field trash dross in different location, observes flow field
Rule of conversion；Also, nano-sized magnetic particles are adsorbed by electromagnetic force, as thick layer increases, are tied between nano-sized magnetic particles
At close magnetic-particle group, resistance increases, it may occur that the process to fall off is impacted by stream stock, with field trash process of nodulation in molten steel
It is very much like, and dross blocking shape be self-assembling formation and constantly convert also closer to actual production process.In this way, should
Continuous casting water test model and method can be used in the model that high-temperature molten steel flow field continuously measures comprehensively, produce work with analog simulation
Skill enables metallargist to fully understand and grasp the flow field rule of ladle in continuous casting process, tundish, Mold
Rule.
In addition to above-mentioned continuous casting water test model, the present invention also provides a kind of continuous casting water test methods based on this model, should
Method the following steps are included:
S1: filling the water into ladle simulation box, while weighing the nano-sized magnetic particles of predetermined amount, and is added to ladle simulation
In case, after water filling reaches set amount, stirring body is opened, nano-sized magnetic particles and water are mixed；
S2: the sliding plate flow-control part in control ladle simulation box exit injects water into tundish simulation box, converts tundish
The position of weir and barricade is kept off inside simulation box to adjust the interior shape of tundish simulation box, is simulated different tundish shapes, is seen
Nano-sized magnetic particles floating situation is examined, is controlled at the caput of stopper, the electromagnetic force on submersed nozzle top, simulates and is tied at stopper
Dross at tumor and filling pipe end observes flow field change；
S3: being injected water into two simulation crystallizers by stopper rod flow control by submersed nozzle, and submersed nozzle is controlled
Different parts electromagnetic force, model observe flow field change in submersed nozzle different parts dross；
S4: pass through control nano-sized magnetic particles concentration, the structure of tundish simulation box and liquid level, stopper Argon air-flow
Amount, two simulation crystallizers go out water speed to simulate Cleanliness of Molten Steel, tundish structure and liquid level, stopper argon flow, draw
The manufacturing parameters such as speed are mutually coupled effect and its influence of stream field.
Continuous casting water test method provided by the invention, which can simulate Molten Steel Cleanliness, nozzle blocking etc., influences the work in flow field
Condition, by being embedded in electromagnetic coil in stopper head location, entire submersed nozzle on the basis of original common water model, and
Realize that electromagnetic force is controllably fine-tuning；Meanwhile being mixed into nano-sized magnetic particles in water to simulate field trash in molten steel, pass through transformation
Nano-sized magnetic particles concentration of analog Cleanliness of Molten Steel, by controlling to adjust different location in stopper caput and submersed nozzle
Electromagnetic force assembles magnetic-particle in different positions, and simulation generates field trash dross in different location, observes the transformation in flow field
Rule；Also, nano-sized magnetic particles are adsorbed by electromagnetic force, are formed as thick layer increases, between nano-sized magnetic particles tight
Close magnetic-particle group, resistance increase, it may occur that the process to fall off are impacted by stream stock, extremely with field trash process of nodulation in molten steel
It is similar, and dross blocking shape be self-assembling formation and constantly convert also closer to actual production process.In this way, the continuous casting
Water test model and method can be used in the model that high-temperature molten steel flow field continuously measures comprehensively, with analog simulation production technology,
Metallargist is enabled to fully understand and grasp the confusor channel of ladle in continuous casting process, tundish, Mold.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of continuous casting water test model characterized by comprising
Ladle simulation box (1), the feed inlet of the ladle simulation box (1) are connected with the feed bin (2) for being contained with magnetic-particle,
Inlet is connected with medium source；
Tundish simulation box (3), the tundish simulation box (3) is interior to be provided with tundish simulating piece, the tundish simulation box
(3) feed inlet is connected with the discharge port of the ladle simulation box (1)；
It simulates crystallizer (4), the feed inlet of simulation crystallizer (4) is connected with the discharge port of the tundish simulation box (3)
It is logical, and flow control knot is provided between the feed inlet of simulation crystallizer (4) and the discharge port of the tundish simulation box (3)
Structure；
There are electromagnetic coil (5) at least one of the tundish simulation box (3) and the simulation crystallizer (4), it is described
Electromagnetic coil (5) is electrically connected with external power supply.
2. continuous casting water test model as described in claim 1, which is characterized in that further include bracket (6), the ladle simulation box
(1), tundish simulation box (3) and simulation crystallizer (4) are from top to bottom successively fixed on the bracket (6).
3. continuous casting water test model as claimed in claim 2, which is characterized in that further include puddle support (7) and be installed on described
The stirring body (8) of puddle support (7), the puddle support (7) are fixed in the bracket (6), and the stirring body (8) protrudes into the ladle
In the accommodating space of simulation box (1).
4. continuous casting water test model as claimed in claim 3, which is characterized in that the magnetic-particle is nano-scale magnetic
Grain, the feed bin (2) is interior to be provided with scale hooper, and the feed bin (2) is connected by blanking channel (9) and the ladle simulation box (1)
It is logical, and blanking electric vibrator is provided on the blanking channel (9).
5. continuous casting water test model according to any one of claims 1-4, which is characterized in that in the ladle simulation box (1)
It is provided with sliding plate flow-control part.
6. continuous casting water test model according to any one of claims 1-4, which is characterized in that the tundish simulating piece includes
Keep off at least one of weir and barricade.
7. continuous casting water test model according to any one of claims 1-4, which is characterized in that the flow control structure is stopper
(10), blowing argon gas channel is installed in the stopper (10).
8. continuous casting water test model as claimed in claim 7, which is characterized in that the simulation crystallizer (4) is two, described
There are two liquid outlet, the inlets of two simulations crystallizer (4) to simulate respectively with the tundish for tundish simulation box (3) tool
The liquid outlet of case (3) is connected correspondingly.
9. continuous casting water test model as claimed in claim 7, which is characterized in that the bottom of simulation crystallizer (4) has
Water outlet, the water outlet are provided with flow control valve (11).
10. a kind of continuous casting water test method, which comprises the following steps:
S1: filling the water into ladle simulation box, while weighing the nano-sized magnetic particles of predetermined amount, and is added to ladle simulation box
In, after water filling reaches set amount, stirring body is opened, nano-sized magnetic particles and water are mixed；
S2: the sliding plate flow-control part in control ladle simulation box exit injects water into tundish simulation box, transformation tundish simulation
The position of weir and barricade is kept off inside case to adjust the interior shape of tundish simulation box, simulates different tundish shapes, observation is received
Meter level magnetic-particle floating situation, controls at the caput of stopper, the electromagnetic force on submersed nozzle top, simulate stopper at dross and
Dross at filling pipe end observes flow field change；
S3: being injected water into two simulation crystallizers by stopper rod flow control by submersed nozzle, and control submersed nozzle is different
Position electromagnetic force, model observe flow field change in submersed nozzle different parts dross；
S4: pass through control nano-sized magnetic particles concentration, the structure of tundish simulation box and liquid level, stopper Argon throughput, two
A simulation crystallizer goes out water speed to simulate the life such as Cleanliness of Molten Steel, tundish structure and liquid level, stopper argon flow, pulling rate
It produces parameter and is mutually coupled effect and its influence of stream field.
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Cited By (1)
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| CN112903955A (en) * | 2021-01-21 | 2021-06-04 | 柳州钢铁股份有限公司 | Physical simulation test method and device for different steel types mixed casting in continuous casting process |
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