CN1318164C - Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus - Google Patents
Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus Download PDFInfo
- Publication number
- CN1318164C CN1318164C CNB038095203A CN03809520A CN1318164C CN 1318164 C CN1318164 C CN 1318164C CN B038095203 A CNB038095203 A CN B038095203A CN 03809520 A CN03809520 A CN 03809520A CN 1318164 C CN1318164 C CN 1318164C
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- cooling
- heat
- cooling duct
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012546 transfer Methods 0.000 title claims abstract description 5
- 238000009749 continuous casting Methods 0.000 title abstract description 5
- 230000005499 meniscus Effects 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 238000005266 casting Methods 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 230000004907 flux Effects 0.000 abstract description 8
- 239000000155 melt Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 239000010949 copper Substances 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 208000012802 recumbency Diseases 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to a mould for the continuous casting of molten metals, in particular steel, comprising cooling channels (1), such as cooling grooves, cooling slits or cooling drillings in the side of the mould (2) away from the melt contact surface. According to the invention, the heat transfer in the mould can be improved, whereby the geometric arrangement of the heat transfer planar surfaces of a cooling channel (1) or a group of cooling channels is adjusted in form, cross-sectional area, circumference, boundary surface qualities, orientation with respect to contact surfaces, arrangement and/or arrangement density with respect to the contact surfaces for the local formation of thermal flux density and/or temperature of the contact surfaces (18) during casting operation and in particular in the region of the meniscus (11).
Description
The present invention relates to a kind of crystallizer that is used for direct casting deposite metal, especially steel, this crystallizer has the cooling duct as cooling bath, cooling joint-cutting or cooling hole in the crystallizer side that deviates from contacted of melt.
A kind of CSP (dense belt material production-Compact Strip Produc-tion) crystallizer that is used for the crystallizer of direct casting steel bloom or plate slab, especially a kind of board-like common structural shape is provided with sidewall paneling mostly, and this sidewall paneling is fixed on inner panel on this wallboard, that contact with metal melt and forms with a kind of by a kind of supporting plate respectively.Preferably be provided with the coolant channel that is parallel to each other in facing toward on that face of supporting plate of inner panel, they can be to be designed to the unlimited joint-cutting of supporting plate.
In the CSP-crystallizer of the structural shape of reality, hot conduction ratio on the crystallizer height, especially all be transformable in the limit more than the bath surface and in the following position.For example the crystallizer wall plate temperature more than bath surface has reduced.If but reducing in the conduction of the heat in the position in the bath surface position and/or on the liquid level, mould temperature just rises so.This has following advantage:
-because crystallizer just makes the casting powder more promptly melt at the bath surface position than heat;
-casting powder more promptly melts the lubrication that has just improved between continuous casting steel billet and the crystallizer, has consequently improved billet surface;
-lubricated improvement has caused at the lower crystallizer surface of the next one of bath surface, thereby has reduced thermal stress, has reduced the trend that crackle generates, thereby has made the life-span of crystallizer longer;
-reduced compression in the following position of liquid level than the hot spot at crystallizer on the bath surface.This has equally also reduced the crackle generation and has made the crystallizer life-span longer.
By known in the measurement on the continuous cast mold: under the bath surface 20 and 80mm between heat flow density be distributed as maximum, rise so from here on the casting direction and still all reduce in contrast by a kind of bell curve.The position that heat flow density raises reaches about 120mm.
The configurable figure that the melt Temperature Distribution changes in crystallizer is corresponding to the parabolical curvature of a recumbency, t
MaxAt the position that heat flow density raises.
Document DE 38 40 448 C2 have described a kind of continuous cast mold, especially plate crystal device, its sidewall paneling is fixed on inner panel on this wallboard, that contact with metal melt and constitutes with one by a supporting plate respectively, and wherein be provided with the mutual coolant channel of arranging in facing toward on that face of supporting plate of inner panel, this channels designs becomes the joint-cutting that is just opening wide towards supporting plate, its width is less than the fin width between joint-cutting, and its degree of depth is greater than this floor width.
EP 0 551 311 B1 described a kind of liquid cools, the adjustable plate crystal device that is used for the steel billet of slab specification is carried out continuous casting of width, especially for the steel billet of thickness less than 100mm.Width edge plate and the narrow side plate amplification cross section according to strand on the direction of its extending transversely constitutes in this crystallizer, narrow side plate is arranged on the crystallizer height basically in parallel to each other, width edge plate then designs dished at least in slab minimum widith position, thereby be 12mm in the apex height of the crystallizer wallboard that forms a bowl line in the cross section with respect to the width of plate slab that a rectangle maximum that is cast into inscribe on the limit at crystallizer reaches every 1000mm, and the shape of width edge plate on the strand port of export of crystallizer is corresponding to the casting blank specification form that will make.Width edge plate is designed to flat face in the adjusting range of narrow side plate, and has put the passage of joint-cutting shape deviating from that side lining that is split into profile.
EP 0 968 779 A1 relate to a kind of constructive method of a broadside of plate slab crystallizer, this crystallizer has a casting plate, this casting plate has a medial surface and one and the opposed lateral surface of this medial surface, wherein broadside has one to go up facial section and a lower face section, and the wherein described at least face section that goes up has a middle part and two sideway stances that are positioned at its side arrangement.Advise in this patent documentation: the medial surface of casting plate has the groove that has the side concave portion in order to form the cooling duct; And these grooves are inserted into the thing form fit and cover with connecting, and these inserts enter in the side concave portion.
United States Patent (USP) 5,207,266 relate to a kind of Cu crystallizer of water-cooled, this crystallizer includes a copper coin, this copper coin has a framework that is fixed on the back on this copper coin, constituted the cooling duct simultaneously, the width of main channel is wideer at the width than in other zone time the in the fastening bolt zone in this passage.Crystallizer is forming than major path between right side and left channel except bolt connects in the fastening bolt zone.Be provided with branched bottom between the passage of main channel and increasing, the branched bottom of main channel and branch part have than the more water surface of the passage of main channel and increasing position at least in this branched bottom.
For generating a kind of fissureless casting blank outer cover fast and reliably, especially equably, what have decisive meaning is to strengthen cooling off or heat being exported to the bottom from male and fomale(M﹠F) the outlet of crystallizer.Following several approach is arranged in known crystallizer for this reason:
Higher relatively cooling water speed of-setting;
-reduction cooling water temperature;
-by the heat exchange area in the cooling fin increasing cooling duct.
Above-mentioned modification is repeatedly used when being designed for the crystallizer of continuous casting installation for casting in practice.
Generally the contact plate of the crystallizer of being made by an Albatra metal-is in " directly contacting " with the metal with curing that flows.The contact plate that is also referred to as to copper coin is an abrasion part, and is fixed on the supporting member that is formed from steel mostly.Again the supporting member that can re-use is called water tank.
Crystallizer itself just takes out so many energy, thereby forms a casting blank outer cover that bearing capacity is arranged as the device of crystallization in the liquid steel of packing into, so just can in crystallizer this casting blank outer cover be pulled out continuously.Simultaneously just forming one first casting blank outer cover on the so-called male and fomale(M﹠F), on the bath surface height in the crystallizer.What the notion of male and fomale(M﹠F) had been represented casting blank outer cover early form the position, and in this position, the contact-making surface of crystallizer, solid and casting auxiliary material that melted and liquid steel and casting blank outer cover all exist simultaneously.Casting powder and oil have been used as the casting auxiliary material.Described casting auxiliary material are separated from each other by lubricated with regard to making metal and copper, and have controlled local heat conduction (Fig. 8).
The first casting blank outer cover volume element that forms on male and fomale(M﹠F) is passed through crystallizer to pull out stripping rate.Just on the direction of cooling duct, produced a local energy stream according to the given thermograde between liquid steel and the cooling medium.Can be that discharge the cooling duct that water flows through with cooling agent, majority through these in it.The thickness of casting blank outer cover correspondingly increases.
Design can be designed in the complete inside at copper coin in the cooling duct in the mold structure, perhaps also can be in the water tank element internal.The mixed structure form also is well-known.More popular in addition modification, in these schemes, the layout of the insert between water tank and the copper coin should guarantee to produce suitable cooling duct.
Apply much the cooling duct that has rectangle or circular cross section owing to the reason of process technology aspect.The angular position can make rounding.But also can make U-, L-and T-pattern with respect to the contact-making surface arbitrary orientation by the insert that is fit to.The layout of typical cooling duct individually or is in groups followed casting direction, and just from the top down, and majority is equidistant to contact-making surface and to metal.The target that effort will realize is that the contact-making surface by crystallizer reaches a kind of cooling effect as far as possible uniformly, and this position at restraint location usually just reaches conditionally.The cooling duct that often makes cross-sectional area and/or geometry all design differently combines mutually abreast, so that make cooling effect at the uniformity of cast on the width further be optimized (Figure 10).
For all these version, following performance all is identical: geometrical property shape and the cross-sectional area of single cooling joint-cutting on its length all remains unchanged.This version remains unchanged the cooling duct area that can be used for cooling off on the length of cooling duct.Can extrapolate by the inventory balance along the streamline of an imagination in addition: described flowing velocity keeps constant on the length of cooling duct.
The relevant therewith hole, cooling duct of having only a kind of special structure form can be encased in the central term pin this access opening from the top or from the below.Because the length of fore-set pin is long own shorter than the hole usually, therefore just causes cross section to narrow down in the cooling duct, this causes the acceleration of cooling medium in this intermediate location.Media flow is then faster in the narrowed cross-section position, and this has correspondingly strengthened cooling effect.The described cooling surface that works for the cooling duct is not subjected to the influence of this measure certainly.
The common in the past structural design for the cooling duct is all in order to reach a kind of cooling effect as far as possible uniformly, and uneven thermal force that wherein in fact exist, on the crystallizer plate distributes and but do not consider.Investigation according to the multidimensional of necessity is having two kinds of inhomogeneities aspect the thermal force distribution.
-be parallel to the inhomogeneities of the direction of casting,
-perpendicular to the casting direction inhomogeneities,
On the casting direction, the heat conduction of the cooling medium in from liquid steel to the cooling duct can be conducted than the heat of the one-dimensional by a plurality of layers and be investigated and will simplify.In energy-balance equation, must consider:
1. the conduction of the heat from liquid steel to formed casting blank outer cover,
2. conduct by the heat of casting blank outer cover,
3. conduct by the heat of lubricant medium layer,
4. conduct by the heat of copper coin,
5. the conduction of the heat in the cooling medium.
Needn't the consideration source beginning (Quellterm) under stable situation.
The reason that uneven thermal force distributes on length of mould is conducted this with regard to being by the heat of casting blank outer cover, because in metal bath surface, generally speaking produce a casting blank outer cover earlier, and the continued growth on the casting direction of this shell.Therefore the increase along with casting blank outer cover thickness itself has just hindered hot conduction.If all the other parameters are constant, that just can find that the hot-fluid on metal bath surface is its maximum, reduces continuously on the casting direction then.On the length of whole cooling duct, carry out integration and can derive a mean heat flux.Because heat conducting multi-dimensional nature (not having heat to import above metal bath surface) has flattened the violent in theory variation of heat flow density, and makes peaked position move (Fig. 9) on the casting direction.
On-the-spot test concerning local heat flux density has proved: will exceed 1.5 to 3 times with respect to the local value in the metal bath surface position the mean heat flux, on the contrary then possibly low 0.3 to 0.6 times of the value of crystallizer bottom.Peaked position according under the real metal bath surface position of not being located on of equipment and technological parameter 20 to 70mm.The absolute value of mean heat flux depends on the casting powder on the one hand but especially also depends on casting rate.So the average heat flow density of enumerating in the document when casting rate be about 1.0MW/m during for 0.9m/min
2, casting rate is 2.0MW/m during for 3.0m/min
2, casting rate is 3.0MW/m during for 5.5m/min
2The local heat flux density that is expected can estimate by cited multiple at least.
Heat flow density distributes in the inequality on the casting direction and has caused the main hot abrasion on the crystallizer plate almost all to occur in the casting liquid level position.What this showed is groove, crack, distortion, or even may coat coming off of thin layer before.
The load of crystallizer plate is also different fully on width equally.Inhomogeneities is drawn by the field of flow of formed liquid steel in the crystallizer mostly.This process is closely related with geometry, contact-making surface geometrical property and other technological parameter of the immersion tapping hole of input steel.Forming the stable of metal bath surface place makes male and fomale(M﹠F) that a kind of majority uneven formation relevant with equipment be arranged with unsettled process.With this uneven male and fomale(M﹠F) constitute link mutually to be that heat distributes also inhomogeneous, therefore main the damage is not to be formed uniformly on the crystallizer width, but the concentrated area produces on some position.
Set out by the above-mentioned background technology, task of the present invention is, make the heat conduction that for the cooling effect of cooling duct, plays a decisive role by to a kind of cooling duct or one group of cooling duct the special geometrical property design at thermal conductive surface position be matched with the local heat flux density of the contact-making surface that contacts with melt of crystallizer.
This task solves by the feature of claim 1 of the present invention.
For the cooling duct heat conducting, and therefore for other of cooling effect according to influence of the present invention then corresponding to dependent claims.Simultaneously for example in order to influence the local cooling effect of a passage, its shape, cross-sectional area, periphery, interfacial characteristics, with respect to the directed of contact-making surface with arrange all and can locally change.
For example can strengthen or dwindle at the bottom of the passage in addition or the available heat exchange area on the sidewall paneling.
For example its surface is strengthened greatly until almost being doubled by on the bottom surface of cooling duct or side, forming groove, this has higher heat flow density when just causing flowing velocity at cooling medium identical, thereby obviously strong cooling effect arranged, its significant advantage is: the temperature of crystallizer significantly reduces, thereby the load that is subjected to except the crystallizer material less, the hydraulic pressure of cooling water can be reduced.
The temperature computation of contrast for example obtains following numerical value herein:
-heat-exchange surface is smooth surface (grade C) in the cooling bath bottom:
For 507 ° of strand temperature for 173 ° of coolant-temperature gages
-the surface strengthened according to the present invention
For 462 ° of strand temperature for 131 ° of coolant-temperature gages
-45 ° of differences-42 of difference °
Described numeral has confirmed the advantageous effects according to measure of the present invention very for certain.Strengthening the surface, cooling duct artificially also can be preferably in the male and fomale(M﹠F) position in being drilled with the CSP crystallizer in hole and realize by means of a kind of broach tool.
Other design of the present invention is corresponding to other dependent claims.Strengthen the surface, cooling duct artificially and on bath surface, do not carry out, because preferably should reduce, so that support the fusing of casting powder in this position interior heat conduction of crystallizer.
The heat conducting minimizing of bath surface top reaches as getting off:
-in the cooling hole above the bath surface, insert and overlap,
Coating is carried out in the hole of-bath surface top,
-above bath surface, put into the parts of making by little Heat Conduction Material.
Simultaneously by reducing stress in the crystallizer at one of crystallizer above the bath surface than the hot spot, and the crackle that therefore reduces strand generates, and improved the workability of crystallizer simultaneously.
Therefore following measure turned out to be already suitable especially: the heat at the heat transfer surface position of cooling duct discharge by a kind of that on the height of crystallizer, change, carry out with the coupling of its heat flow density distribution.
Therefore the variations in temperature along the crystallizer height is just more even on described height, and has avoided being in material stress bigger in the casting blank outer cover of generation, and has stoped the crackle of this shell to generate.
Then describe the present invention according to embodiment.
Accompanying drawing illustrates:
One section crystallizer wallboard of Fig. 1 is perpendicular to the amplification sectional view of its trend;
Fig. 2 is a sectional view by another section of crystallizer wall shown in Figure 1 equally;
Fig. 3 has the hole, cooling duct of groove within it on the surface;
The Figure 4 and 5 heat-exchange surface does not have and has the part that compares of the bottom surface of increasing;
Fig. 6 below the bath surface on the crystallizer height H change curve of heat flow density q;
Fig. 7 is furnished with the variation diagram of a temperature curve T at the change curve of crystallizer height upper groove degree of depth R, and equally also under bath surface, Tmax is in the above and below at male and fomale(M﹠F) position;
Fig. 8 has the sectional view of a cooling duct and a crystallizer part of the hot-fluid of attaching troops to a unit;
Two curve maps that are used for comparison and express side by side of Fig. 9 are expressed average or total heat flow density or temperature;
Coolant guiding channel part during heat exchanger substructure that Figure 10 can contrast;
The other version of Figure 11 heat exchanger bottom;
Figure 12 has represented the distribution of the heat flow density of mating, q on the crystallizer height
MaxBelow bath surface.
Fig. 1 amplifies portion's section 10 of a side 2 that deviates from out melt of having represented a crystallizer wall, and this crystallizer wall has a cooling bath 1 that is arranged on cutting seam type wherein.This cooling bath width is B, and the degree of depth is T.The bottom of cooling bath 1 is designed to have a kind of profile of groove 3 according to the present invention, thereby its area is than a kind of smooth form, for example by shown in Figure 4, has approximately turned over some.
Simultaneously the heat at the heat-conducting area position in cooling bath, cooling joint-cutting or cooling hole is discharged and can be undertaken by a kind of coupling that change on the crystallizer height, that its heat flow density is distributed, for example represents in Fig. 6 as this.
Regulation for this purpose: in order to change heat conducting intensity, groove 3 has a changeable degree of depth 4, for example between 1 to 4mm, and the design of the angular aperture of each groove is between 30 ° to 60 °, as in Fig. 7 for example shown in.Groove 3 can be designed to have angular aperture until about 60 ° within " A " in distance, and height is until about 4mm and be similar to the profile of screw thread.Can certainly be provided with other shape, as the groove of corrugated, trapezoidal, cog shape or analogous shape design, they have all strengthened cooling surface.
Fig. 2 has represented portion's section 10 of a crystallizer, has a supporting plate 5 and an inner panel 6 respectively, and they closely connect mutually with reclining, use bolting especially mutually.Inner panel 6 passage 7 that is cooled passes, and this channels designs is joint-cutting that open wide towards supporting plate 5 and that covered by supporting plate 5.Be provided with the heat-exchange surface 3 that is connected by groove according to these joint-cuttings of the present invention in its bottom, this heat-exchange surface is used for the artificially and improves heat flow density.
Fig. 3 has represented any one section 10 of a crystallizer wallboard, has wherein arranged hole, cooling duct 8, and this access opening has the inwall 9 of the form that is designed to groove or groove 3.
Figure 4 and 5 are constituting the heat exchange bottom 11 that will contrast mutually or were expressing a kind of level and smooth profile 11 and a kind of profile and pairing temperature value of being made up of groove 12 at 12 o'clock according to cooling groove 7,7 ' specified part.Under the situation of the acquisition condition strict conformance of the relevant technological parameter that will compare, its temperature significantly reduces for 12 form at the bottom of having groove.
Fig. 6 has represented that a heat flow density of mating by the present invention distributes its q on the crystallizer height
MaxIn a limited range of bath surface (molten bath) below.Correspondingly the temperature curve T among Fig. 7 then represents the temperature maximum of T
MaxWithin the scope 13 to 17 of the variable depth R of heat exchange groove, R
MaxBetween point 14 and 15.Heat exchange groove (3) begins at height 13 places of bath surface.Reach maximum at 14 place's gash depths (4).This maximum gash depth one is until 15 and drop to the initial condition sane level through 16 again.
Fig. 8 has represented the sectional view of a broadside wallboard of a crystallizer, this broadside wallboard comprises a support plate 20 and the hot-fluid that can attach troops to a unit, and this support plate has one at securing contact plate 18 on this support plate, one deck casting auxiliary material and the coolant guiding channel that marks 7, a casting blank outer cover 19 that generates on the casting direction.
Fig. 9 has represented to replenish for a kind of of Fig. 6 and 7, according to the position of male and fomale(M﹠F), when comparing with heat conducting cooling duct face, has expressed local heat flux density/variation of temperature curve.
Figure 10 and 11 has represented the different designs scheme of the version of cooling joint-cutting and especially their bottom.
Corresponding to these designs of cooling duct, Figure 12 has represented with a kind of diagrammatic form:
-channel cross sectional area,
-effective cooling duct wall area,
-they are to the distance of contact-making surface,
-effective cooling effect of being drawn thus,
Wherein all numerical value all are relative values, and just can exemplarily estimate.
Reference numerals list
1. cooling bath
2. deviate from the limit
3. groove
4. the degree of depth
5. supporting plate
6. inner panel
7. coolant guiding channel
8. cooling medium hole
9. wallboard part
10. section's section
11. the beginning of heat exchange groove on the bath surface height
12. maximum gash depth
13. the termination of maximum gash depth
14. the termination that gash depth reduces
15-17. reach constant gash depth
18. contact plate, contact-making surface
19. casting blank outer cover
20. support plate
Claims (1)
1. be used for crystallizer with slab form direct casting motlten metal, this crystallizer has the cooling duct (1) that is the linear formula of cooling tube in the lining, crystallizer side (2) that deviates from the contacted contact-making surface of melt, the size on the surface of playing the heat-exchange surface effect of wherein said cooling duct is bigger in the maximum heat current density position of described contact-making surface (18) or maximum temperature position, so that at the localized heat transfer maximum effect at described position, it is characterized in that, the surface of the described cooling duct on bath surface is not extended, and on described bath surface, in being the described cooling duct (1) of the linear formula of cooling tube, add coating, insert cover, the parts of perhaps packing into and being made by the low heat conductivity material conduct so that conduct the heat that reduces on the described position with respect to the maximized heat on described maximum heat current density position.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10218956.0 | 2002-04-27 | ||
| DE10218956 | 2002-04-27 | ||
| DE10253735.6 | 2002-11-19 | ||
| DE10253735A DE10253735A1 (en) | 2002-04-27 | 2002-11-19 | Intensification of the heat transfer in continuous casting molds |
| PCT/EP2003/002384 WO2003092931A1 (en) | 2002-04-27 | 2003-03-08 | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1649685A CN1649685A (en) | 2005-08-03 |
| CN1318164C true CN1318164C (en) | 2007-05-30 |
Family
ID=29403559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038095203A Expired - Fee Related CN1318164C (en) | 2002-04-27 | 2003-03-08 | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20050115695A1 (en) |
| EP (1) | EP1499462A1 (en) |
| JP (1) | JP2005529750A (en) |
| CN (1) | CN1318164C (en) |
| AU (1) | AU2003233795A1 (en) |
| BR (1) | BR0307901A (en) |
| CA (1) | CA2483784A1 (en) |
| MX (1) | MXPA04010647A (en) |
| PL (1) | PL371553A1 (en) |
| RU (1) | RU2310543C2 (en) |
| TW (1) | TWI268821B (en) |
| WO (1) | WO2003092931A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328131A (en) * | 2010-11-25 | 2013-09-25 | 达涅利机械设备股份公司 | Crystallizer for continuous casting |
| CN104903024A (en) * | 2013-01-11 | 2015-09-09 | 株式会社神户制钢所 | Continuous casting method for ingot produced from titanium or titanium alloy |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005026329A1 (en) | 2005-06-07 | 2006-12-14 | Km Europa Metal Ag | Liquid-cooled mold for continuous casting of metals |
| WO2010015399A1 (en) * | 2008-08-06 | 2010-02-11 | Sms Siemag Ag | Strand casting mold for liquid metal, particularly for liquid steel |
| EP2292350A1 (en) * | 2009-08-04 | 2011-03-09 | Siemens VAI Metals Technologies S.r.l. | Mould for continous casting of long or flat products, cooling jacket designed to cooperate with such a mould and assembly comprising such a mould and such cooling jacket |
| DE102010007812B4 (en) | 2010-02-11 | 2017-04-20 | Ksm Castings Group Gmbh | Method and device for the production of motor vehicle chassis parts |
| CN102078947B (en) * | 2011-02-23 | 2012-12-19 | 中冶南方工程技术有限公司 | Method for calculating heat flow density in solidification heat transfer process of continuous casting crystallizer |
| AT515566A1 (en) * | 2014-03-06 | 2015-10-15 | Inteco Special Melting Technologies Gmbh | Method for cooling liquid-cooled molds for metallurgical processes |
| ITUB20154787A1 (en) * | 2015-11-06 | 2017-05-06 | Milorad Pavlicevic | PERFECTED CRYSTALLIZER AND ADAPTANT SPEAKER AS THE CRYSTALLIZER |
| JP6394831B2 (en) * | 2016-10-19 | 2018-09-26 | Ｊｆｅスチール株式会社 | Continuous casting mold and steel continuous casting method |
| DE102017206914A1 (en) | 2017-04-25 | 2018-10-25 | Sms Group Gmbh | Continuous casting mold with flow-optimized cooling |
| EP3406368A1 (en) * | 2017-05-23 | 2018-11-28 | SMS Concast AG | Mould for continuous casting of metallic products |
| RU2678556C1 (en) * | 2017-09-18 | 2019-01-29 | Акционерное общество "Первоуральский новотрубный завод" (АО "ПНТЗ") | Mold sleeve for continuous steel casting |
| CN109822065B (en) * | 2019-04-11 | 2024-03-22 | 安徽工业大学 | Wide-surface copper plate of continuous casting crystallizer and continuous casting crystallizer with same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207266A (en) * | 1992-01-03 | 1993-05-04 | Chuetsu Metal Works Co., Ltd. | Water-cooled copper casting mold |
| CH685865A5 (en) * | 1991-09-05 | 1995-10-31 | Concast Standard Ag | Continuous casting mould improving cooling and casting performance |
| JPH0810905A (en) * | 1994-06-28 | 1996-01-16 | Sumitomo Metal Ind Ltd | Continuous casting mold for slab |
| EP0730923A1 (en) * | 1995-03-08 | 1996-09-11 | KM Europa Metal Aktiengesellschaft | Mould for continuous casting of metals |
| JPH09174200A (en) * | 1995-12-26 | 1997-07-08 | Nippon Steel Corp | Mold for continuous casting |
| JPH11179492A (en) * | 1997-12-24 | 1999-07-06 | Sumitomo Metal Ind Ltd | Mold for continuous casting |
| JPH11207442A (en) * | 1998-01-21 | 1999-08-03 | Sumitomo Heavy Ind Ltd | Mold in continuous casting equipment and casting method using it |
| US20010017199A1 (en) * | 1998-05-26 | 2001-08-30 | Rama Bommaraju | Continuous casting mold and processes for making and retrofitting |
| WO2002016061A1 (en) * | 2000-08-23 | 2002-02-28 | Sms Demag Aktiengesellschaft | Chilled continuous casting mould for casting metal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1082988A (en) * | 1964-12-22 | 1967-09-13 | British Iron Steel Research | Moulds |
| US3595302A (en) * | 1967-05-11 | 1971-07-27 | Schloemann Ag | Cooling structure for continuous-casting mold |
| JPS5731449A (en) * | 1980-07-31 | 1982-02-19 | Kouka Kuroomu Kogyo Kk | Mold for continuous casting of steel |
| US4493361A (en) * | 1981-12-07 | 1985-01-15 | Gus Sevastakis | Continuous casting apparatus |
| DE19852473C5 (en) * | 1998-11-13 | 2005-10-06 | Sms Demag Ag | Chill plate of a continuous casting plant |
| DE10056910A1 (en) * | 2000-11-16 | 2002-05-29 | Sms Demag Ag | Billet and block mold with partially regulated heat dissipation over the mold circumference and mold height |
-
2003
- 2003-03-04 TW TW092104510A patent/TWI268821B/en not_active IP Right Cessation
- 2003-03-08 PL PL03371553A patent/PL371553A1/en not_active Application Discontinuation
- 2003-03-08 MX MXPA04010647A patent/MXPA04010647A/en not_active Application Discontinuation
- 2003-03-08 JP JP2004501101A patent/JP2005529750A/en active Pending
- 2003-03-08 CN CNB038095203A patent/CN1318164C/en not_active Expired - Fee Related
- 2003-03-08 US US10/509,861 patent/US20050115695A1/en not_active Abandoned
- 2003-03-08 RU RU2004134598/02A patent/RU2310543C2/en active
- 2003-03-08 BR BR0307901-5A patent/BR0307901A/en not_active Application Discontinuation
- 2003-03-08 EP EP03727263A patent/EP1499462A1/en not_active Ceased
- 2003-03-08 AU AU2003233795A patent/AU2003233795A1/en not_active Abandoned
- 2003-03-08 WO PCT/EP2003/002384 patent/WO2003092931A1/en active Application Filing
- 2003-03-08 CA CA002483784A patent/CA2483784A1/en not_active Abandoned
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH685865A5 (en) * | 1991-09-05 | 1995-10-31 | Concast Standard Ag | Continuous casting mould improving cooling and casting performance |
| US5207266A (en) * | 1992-01-03 | 1993-05-04 | Chuetsu Metal Works Co., Ltd. | Water-cooled copper casting mold |
| JPH0810905A (en) * | 1994-06-28 | 1996-01-16 | Sumitomo Metal Ind Ltd | Continuous casting mold for slab |
| EP0730923A1 (en) * | 1995-03-08 | 1996-09-11 | KM Europa Metal Aktiengesellschaft | Mould for continuous casting of metals |
| JPH09174200A (en) * | 1995-12-26 | 1997-07-08 | Nippon Steel Corp | Mold for continuous casting |
| JPH11179492A (en) * | 1997-12-24 | 1999-07-06 | Sumitomo Metal Ind Ltd | Mold for continuous casting |
| JPH11207442A (en) * | 1998-01-21 | 1999-08-03 | Sumitomo Heavy Ind Ltd | Mold in continuous casting equipment and casting method using it |
| US20010017199A1 (en) * | 1998-05-26 | 2001-08-30 | Rama Bommaraju | Continuous casting mold and processes for making and retrofitting |
| WO2002016061A1 (en) * | 2000-08-23 | 2002-02-28 | Sms Demag Aktiengesellschaft | Chilled continuous casting mould for casting metal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328131A (en) * | 2010-11-25 | 2013-09-25 | 达涅利机械设备股份公司 | Crystallizer for continuous casting |
| CN103328131B (en) * | 2010-11-25 | 2015-07-22 | 达涅利机械设备股份公司 | Crystallizer for continuous casting |
| CN104903024A (en) * | 2013-01-11 | 2015-09-09 | 株式会社神户制钢所 | Continuous casting method for ingot produced from titanium or titanium alloy |
| US9475114B2 (en) | 2013-01-11 | 2016-10-25 | Kobe Steel, Ltd. | Continuous casting method for ingot produced from titanium or titanium alloy |
| CN104903024B (en) * | 2013-01-11 | 2017-05-31 | 株式会社神户制钢所 | The continuous casing of the ingot bar being made up of titanium or titanium alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005529750A (en) | 2005-10-06 |
| AU2003233795A1 (en) | 2003-11-17 |
| RU2004134598A (en) | 2005-06-10 |
| TWI268821B (en) | 2006-12-21 |
| PL371553A1 (en) | 2005-06-27 |
| CN1649685A (en) | 2005-08-03 |
| TW200400093A (en) | 2004-01-01 |
| RU2310543C2 (en) | 2007-11-20 |
| CA2483784A1 (en) | 2003-11-13 |
| MXPA04010647A (en) | 2005-02-17 |
| WO2003092931A1 (en) | 2003-11-13 |
| EP1499462A1 (en) | 2005-01-26 |
| BR0307901A (en) | 2004-12-21 |
| US20050115695A1 (en) | 2005-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1318164C (en) | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus | |
| CN102089097A (en) | Continuous-casting mould | |
| CN102112255A (en) | Continuous casting mold for liquid metal, particularly for liquid steel | |
| US7445036B2 (en) | Liquid-cooled permanent mold | |
| US5742993A (en) | Method for making hollow workpieces | |
| KR100607855B1 (en) | Ingot mould for the continuous casting of steel into billet and cogged ingot formats | |
| EP2054178B1 (en) | Crystalliser | |
| CN101528386B (en) | Extrusion die | |
| CN1309510C (en) | Pressure casting flow system | |
| CN1447725A (en) | Chilled continuous casting mould for casting metal | |
| US6401800B1 (en) | Device and method for continuous casting of workpieces | |
| ZA200302782B (en) | System and process for optimizing cooling in continuous casting mold. | |
| US20010017199A1 (en) | Continuous casting mold and processes for making and retrofitting | |
| US5785112A (en) | Method and modular continuous casting mold for manufacturing ingots | |
| ZA200406378B (en) | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus. | |
| JP2001526590A (en) | Casting wheel | |
| JP7151665B2 (en) | Water-cooled mold for continuous casting and continuous casting method for steel | |
| RU2089337C1 (en) | Device for continuous casting of hollow castings | |
| JP2012045591A (en) | Continuous casting mold | |
| RU2025203C1 (en) | Method for making thermal profile of support roller in secondary cooling zone of continuous slab-casting machine | |
| EP0071401A1 (en) | A curved mold for continuous casting | |
| RU2112622C1 (en) | Process of manufacture of continuously cast billets and gear for its implementation | |
| KR20010092750A (en) | Pyrometallurgical reactor cooling element and its manufacture | |
| JPS6137355A (en) | Cooling pad of belt type continuous casting machine | |
| JPH0645056B2 (en) | Mold for continuous casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20100308 |