CN106153294A - The many stoves of a kind of large-scale steel ingot close the hydraulics simulating device watered - Google Patents
The many stoves of a kind of large-scale steel ingot close the hydraulics simulating device watered Download PDFInfo
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- CN106153294A CN106153294A CN201610579750.8A CN201610579750A CN106153294A CN 106153294 A CN106153294 A CN 106153294A CN 201610579750 A CN201610579750 A CN 201610579750A CN 106153294 A CN106153294 A CN 106153294A
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Abstract
The invention provides the many stoves of a kind of large-scale steel ingot and close the hydraulics simulating device watered, including ladle, circular tundish and ingot mould, also include the water storage bag with water inlet pipe, described ingot mould is communicated with one end of overflow pipe on the sidewall of open end face, the bottom of ingot mould is also communicated with out one end of water pump, and the other end of overflow pipe all connects with outlet pipe with the other end going out water pump；It is communicated with one end of chemical feed pipe on the second water pipe between the 4th described valve and circular tundish, the other end of chemical feed pipe is communicated with dosing funnel, chemical feed pipe is additionally provided with electromagnetic valve；Laying conductance electrode in described ladle, circular tundish or ingot mould, conductance electrode is connected with data collection control unit.The analog of the present invention, convenient succinct, decrease the experimental error caused because of manual operation, improve experiment accuracy；Raw data acquisition accurately can be provided, in real time dynamic the and operating mode in viewing flow field for the intelligent processing method experimental data in later stage.
Description
Technical field
The invention belongs to ingot casting and field of metallurgy, relate to the conjunction of large-scale steel ingot many stoves and water, be specifically related to a kind of large-scale steel ingot many
Stove closes the hydraulics simulating device watered.
Background technology
The large forgings of large steel ingot forging is important foundation necessary to country's important technical equipment and key project construction
Parts, the large industry equipment such as nuclear power, shipbuilding, petrochemical industry produces and all be unable to do without heavy forging.Along with industrial expansion, big swaged forging
The single weight of part is increasing, and the requirement to quality is more and more higher.Therefore, develop foundry engieering and the equipment of science, carry
The degree of purity of high molten steel, it is ensured that the large-scale steel ingot of the quality of large steel ingot is then the basic assurance producing high-quality large forgings.
Hydraulic model is of universal significance for the physical modeling of research tundish fluid, and it is in research tundish
The effective means of various transmittance process, can study with quantitative and semi-quantitative, and water model predicts the outcome and can be advantageously applied to
Actual production.For the flow behavior of molten steel in tundish, it is concentrated mainly on grinding of flow pattern, Movement of Inclusions and flow field
Study carefully；PHYSICAL MODELING OF IN typically adopts the medium using water as simulating molten steel, and this is the water due to 20 DEG C and the molten steel of 1600 DEG C
Dynamic viscosity very close to.Physical modeling use theoretical foundation be the principle of similitude, it is only necessary to the geometric similarity of prototype and model and
Dynamic similarity.Again due in molten steel flow and model in tundish the flowing of water be in same flow field law, as long as so ensureing
The quasi-number of Fu Luode of model and prototype is equal.Just can meet model similar with prototype.Hydraulic model trial can be calculated accordingly
In corresponding to the discharge of prototype molten steel flow, the simulation experiment corresponding flow likelihood ratio.
After establishing rational physical modeling, it is necessary to have suitable laboratory technique just can obtain good experiment knot
Really, Flow visualisation and flow-speed measurement technology are to study the most reliable but also effective method of various Complex Flows.Wrap greatly in tundish
The phenomenons such as the impact of beam, slag, inclusion floating, can in physical modeling directly observe or with photograph, image side
Method is recorded and is used for qualitative analysis.The observation in general flow field uses tracer, high speed video process, LDV
With methods such as hot-wire anemometer.Large-scale steel ingot casting process relates generally to ladle, column type tundish, three parts of ingot mould.
Molten steel in ladle is constantly poured in ingot mould through tundish mixing.Molding workshop condition is relatively severe, belong to high temperature,
High risk industries, metallurgical reaction is in the condition of high temperature mostly, directly measures, observes existing all difficulties, risk big and
Cost is high.Therefore Fluid Dynamics device is used to simulate molten steel flow regime in refractory container.
Current water die device, experiment content is more single, operates complex, and automatization is relatively low.And this device has
In linear online flow behavior, easy to operate, auto-control, data intelligent, it is possible to more preferably commercial production provides foundation,
Have very important significance so setting up this device.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the many stoves of a kind of large-scale steel ingot close the water watered
Mechanical simulation device, this device is easy to operate, intelligent high, it is to avoid the experimental error that manual operation brings, and improves the standard of experiment
Really property.
In order to solve above-mentioned technical problem, the application adopts the following technical scheme that and is achieved:
The many stoves of a kind of large-scale steel ingot close the hydraulics simulating device watered, and including ladle, circular tundish and ingot mould, also wrap
Including the water storage bag with water inlet pipe, described water inlet pipe is provided with the first valve, described water storage bag is connected with intake pump, enters
Water pump connects the one end having the first water pipe, and the other end of the first water pipe is arranged on the top of the open end face of ladle；
The bottom of described ladle connects the one end having the second water pipe with the 4th valve, and the other end of the second water pipe sets
The top of the end face put is unwrapped between putting in a circle；The bottom of described circular tundish connects the 3rd with the 5th valve
One end of water pipe, the other end of the 3rd water pipe is arranged on the top of the open end face of ingot mould；
Described ingot mould is communicated with one end of overflow pipe on the sidewall of open end face, and the bottom of ingot mould also connects
Being connected with out one end of water pump, the other end of overflow pipe all connects with outlet pipe with the other end going out water pump；
One end of chemical feed pipe it is communicated with on the second water pipe between the 4th described valve and circular tundish, chemical feed pipe
It is communicated with dosing funnel on the other end, chemical feed pipe is additionally provided with electromagnetic valve；
Described ladle, circular tundish or ingot mould lay conductance electrode, conductance electrode and data acquisition control
Unit is connected.
The present invention also has a following distinguishing feature:
Described conductance electrode is more than one.
Described electro conductivity extremely two.
Described data collection control unit includes power supply, and power supply connects main switch and a power supply indicator, power supply with
Module power switch, intake pump switch, go out pump switch and electromagnetic valve switch is respectively connected with, module power switch and modular power source
Being connected, modular power source is connected with data collecting instrument and conductivity meter power supply respectively, the input of data collecting instrument and conductance electrode
Being connected, the outfan of data collecting instrument is connected with conductivity meter, and conductivity meter is provided with conductivity meter switch.
Numeral adapter, numeral adapter and computer phase it is also associated with on the outfan of described data collecting instrument
Even.
The second valve, effusion meter and the 3rd valve it is disposed with on the first water pipe between shown intake pump and ladle
Compared with prior art, useful has the technical effect that the present invention
The analog of the present invention, convenient succinct, decrease the experimental error caused because of manual operation, improve experiment standard
Really property；Can provide raw data acquisition accurately for the intelligent processing method experimental data in later stage, viewing flow field is dynamic in real time
And operating mode.This analog can accurate simulation on-the-spot circumstance, such as the molten steel time of staying, fluid flow state, mixing time
Deng, it is possible to provide reliably theoretical foundation for actual casting process.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the analog of the present invention.
Fig. 2 is the annexation schematic diagram of the electrical conductivity collecting unit of the present invention.
Fig. 3 is residence time distribution curve figure.
Fig. 4-1 to Fig. 4-6 is the variation diagram of circular Tundish Flow Field.
Fig. 5-1 to Fig. 5-6 is the variation diagram in ingot mould flow field.
In figure, the implication of each label is: 1-ladle, 2-circle tundish, 3-ingot mould, 4-water inlet pipe, 5-water storage bag,
6-the first valve, 7-intake pump, 8-the first water pipe, 9-the second valve, 10-effusion meter, 11-the 3rd valve, 12-the 4th valve,
13-the second water pipe, 14-the 5th valve, 15-the 3rd water pipe, 16-overflow pipe, 17-goes out water pump, 18-outlet pipe, 19-chemical feed pipe,
20-dosing funnel, 21-electromagnetic valve, 22-conductance electrode, 23-data collection control unit, 24-computer；
(23-1)-power supply, (23-2)-main switch, (23-3)-power supply indicator, (23-4)-module power switch, (23-
5)-intake pump switch, (23-6)-go out pump switch, (23-7)-electromagnetic valve switch, (23-8)-modular power source, (23-9)-data
Acquisition Instrument, (23-10)-conductivity meter, (23-11)-conductivity meter switchs, (23-12)-numeral adapter.
Below in conjunction with drawings and Examples, the particular content of the present invention is described in more detail.
Detailed description of the invention
Defer to technique scheme, the specific embodiment of the present invention given below, it should be noted that the present invention not office
Being limited to specific examples below, all equivalents done on the basis of technical scheme each fall within the protection model of the present invention
Enclose.Below in conjunction with embodiment, the present invention is described in further details.
Embodiment 1:
Deferring to technique scheme, as depicted in figs. 1 and 2, the present embodiment provides the many stoves of a kind of large-scale steel ingot and closes the water watered
Mechanical simulation device, including ladle 1, circular tundish 2 and ingot mould 3, it is characterised in that: also include the storage with water inlet pipe 4
Water bag 5, described water inlet pipe 4 is provided with the first valve 6, and described water storage bag 5 is connected with intake pump 7, and intake pump 7 connects to be had
One end of first water pipe 8, the other end of the first water pipe 8 is arranged on the top of the open end face of ladle 1；
The bottom of described ladle 1 connects the one end having the second water pipe 13 with the 4th valve 12, the second water pipe 13
The other end is arranged on the top of the open end face of circular tundish 2；The bottom of described circular tundish 2 connects to be had with the 5th
One end of 3rd water pipe 15 of valve 14, the other end of the 3rd water pipe 15 is arranged on the top of the open end face of ingot mould 3；
Described ingot mould 3 is communicated with one end of overflow pipe 16, the bottom of ingot mould 3 on the sidewall of open end face
Also being communicated with out one end of water pump 17, the other end of overflow pipe 16 all connects with outlet pipe 18 with the other end going out water pump 17；
One end of chemical feed pipe 19 it is communicated with on the second water pipe 13 between the 4th described valve 12 and circular tundish 2,
It is communicated with dosing funnel 20 on the other end of chemical feed pipe 19, chemical feed pipe 19 is additionally provided with electromagnetic valve 21；
Described ladle 1, circular tundish 2 or ingot mould 3 lay conductance electrode 22, conductance electrode 22 and data acquisition
Collection control unit 23 is connected.
Conductance electrode 22 is more than one, preferably two.
Data collection control unit 23 includes power supply 23-1, and on power supply 23-1, connection has main switch 23-2 and power supply indicator
23-3, power supply 23-1 and module power switch 23-4, intake pump switch 23-5, go out pump switch 23-6 and electromagnetic valve switch 23-7
Being respectively connected with, module power switch 23-4 is connected with modular power source 23-8, modular power source 23-8 respectively with data collecting instrument 23-9
Be connected power supply with conductivity meter 23-10, and the input of data collecting instrument 23-9 is connected with conductance electrode 22, data collecting instrument 23-9
Outfan be connected with conductivity meter 23-10, conductivity meter 23-10 is provided with conductivity meter switch 23-11.
Be also associated with on the outfan of data collecting instrument 23-9 numeral adapter 23-12, numeral adapter 23-12 with
Computer 24 is connected.
The second valve 9, effusion meter 10 and the 3rd valve it is disposed with on the first water pipe 8 between intake pump 7 and ladle 1
11, it is simple to the flow of observation water.
Application example one, measurement residence time distribution curve:
Step one, opens main switch 23-2 of data collection control unit 23, and starts computer 24 with key, runs multichannel
Acquisition system.
Step 2, opens the first valve 6 on water inlet pipe 4, then opens intake pump switch 23-5, starts intake pump 7 and supply
Water.
Step 3, the 4th valve 12 below regulation ladle 1 and the 5th valve 14 below circular tundish 2, it is ensured that circle
The liquid level of shape tundish 2 is constant in specified altitude assignment.
Step 4, starts the Data Collection Software in the computer 24 of work station, and this software is known software.
Step 5, selects " collection " to be configured the respective option card.
Step 6, pours into the tracer of saturated KCl solution in dosing funnel 20.
Step 7, opens module power switch 23-4, and " starting to gather " of then clicking on " data collecting system " interface presses
Button, gatherer process starts, and opens electromagnetic valve 21 by electromagnetic valve switch 23-7 simultaneously, and the tracer of KCl solution passes through chemical feed pipe
19 enter in circular tundish 2, after noticing that tracer flows to end, close electromagnetic valve 21 and prevent air-breathing.
Step 8, when the stable conductivity of electrical conductivity Yu initial pure water is constant, collection terminates.
Step 9, opens out water pump 17 by going out pump switch 23-6, until solution flows to end.
Step 10, according to acquisition system the data obtained, and the residence time distribution curve as shown in Figure 3 drawn out
(RTD curve), can calculate mean residence time, dead band, piston region, full confounding ratio, analyze current operating mode.
Application example two, measurement flow field:
Step one is identical with application example one to step 3.
Step 4, opens the computer 24 of work station, carries out normal spike operation.
Step 5, opens high-speed camera instrument and photographing unit, carries out image and image collection, analyzes the change in flow field.
Application example one and application example two operate at China experimental project center, Second Group Chengdu, its analog stream
Journey is water system → ladle simulation → tundish simulation → ingot mould simulation → drainage system.Experimentation is opened intelligence behaviour
Make system, carry out molten steel blending process quantitative measurement, automatically draw RDT curve, as shown in Figure 3；Next carries out static and dynamic
The simulation of system, opens photographing unit and video camera, it is connected with work station, uses man-computer cooperation, can clearly see
Examine change and the distribution in flow field.
Keeping pouring basket liquid level in experiment is that 600mm is constant in specified altitude assignment；Photographic time is set as that 3s/ opens, until mixed
Right amount is only taken pictures.Fig. 4 is the variation diagram of Tundish Flow Field；Fig. 5 is the variation diagram in ingot mould flow field.
Claims (6)
1. the many stoves of large-scale steel ingot close the hydraulics simulating device watered, including ladle (1), circular tundish (2) and ingot mould
(3), it is characterised in that: also include the water storage bag (5) with water inlet pipe (4), described water inlet pipe (4) is provided with the first valve
(6), described water storage bag (5) is connected with intake pump (7), and intake pump (7) connects the one end having the first water pipe (8), the first water pipe
(8) the other end is arranged on the top of the open end face of ladle (1)；
The bottom of described ladle (1) connects the one end having the second water pipe (13) with the 4th valve (12), the second water pipe
(13) the other end is arranged on the top of the open end face of circular tundish (2)；The bottom of described circular tundish (2) connects
Having one end of the 3rd water pipe (15) with the 5th valve (14), the other end of the 3rd water pipe (15) is arranged on ingot mould (3) and opens
The top of the end face put；
Described ingot mould (3) is communicated with one end of overflow pipe (16), the end of ingot mould (3) on the sidewall of open end face
Portion is also communicated with out one end of water pump (17), the other end of overflow pipe (16) and go out the other end of water pump (17) all and outlet pipe
(18) connection；
It is communicated with the one of chemical feed pipe (19) on the second water pipe (13) between the 4th described valve (12) and circular tundish (2)
End, the other end of chemical feed pipe (19) is communicated with dosing funnel (20), chemical feed pipe (19) is additionally provided with electromagnetic valve (21)；
Described ladle (1), circular tundish (2) or ingot mould (3) lay conductance electrode (22), conductance electrode (22) with
Data collection control unit (23) is connected.
2. the many stoves of large-scale steel ingot as claimed in claim 1 close the hydraulics simulating device watered, it is characterised in that: described conductance
Electrode (22) is more than one.
3. the many stoves of large-scale steel ingot as claimed in claim 2 close the hydraulics simulating device watered, it is characterised in that: described conductance
Electrode (22) is two.
4. the many stoves of large-scale steel ingot as claimed in claim 1 close the hydraulics simulating device watered, it is characterised in that: described data
Acquisition controlling unit (23) includes power supply (23-1), and the upper connection of power supply (23-1) has main switch (23-2) and power supply indicator (23-
3), power supply (23-1) and module power switch (23-4), intake pump switch (23-5), go out pump switch (23-6) and electromagnetic valve leaves
Close (23-7) be respectively connected with, module power switch (23-4) is connected with modular power source (23-8), modular power source (23-8) respectively with
Data collecting instrument (23-9) is connected with conductivity meter (23-10) power supply, the input of data collecting instrument (23-9) and conductance electrode
(22) being connected, the outfan of data collecting instrument (23-9) is connected with conductivity meter (23-10), and conductivity meter (23-10) is upper to be arranged
Conductivity meter is had to switch (23-11).
5. the many stoves of large-scale steel ingot as claimed in claim 4 close the hydraulics simulating device watered, it is characterised in that: described data
Numeral adapter (23-12), numeral adapter (23-12) and computer it is also associated with on the outfan of Acquisition Instrument (23-9)
(24) it is connected.
6. the many stoves of large-scale steel ingot as claimed in claim 1 close the hydraulics simulating device watered, it is characterised in that: described water inlet
The second valve (9), effusion meter (10) and the 3rd valve it is disposed with on the first water pipe (8) between pump (7) and ladle (1)
(11)。
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| CN201610579750.8A CN106153294A (en) | 2016-07-21 | 2016-07-21 | The many stoves of a kind of large-scale steel ingot close the hydraulics simulating device watered |
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| CN201610579750.8A CN106153294A (en) | 2016-07-21 | 2016-07-21 | The many stoves of a kind of large-scale steel ingot close the hydraulics simulating device watered |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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