CN101704078A - Method for controlling dynamic soft reduction for plate blank continuous casting - Google Patents
Method for controlling dynamic soft reduction for plate blank continuous casting Download PDFInfo
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- CN101704078A CN101704078A CN200910177299A CN200910177299A CN101704078A CN 101704078 A CN101704078 A CN 101704078A CN 200910177299 A CN200910177299 A CN 200910177299A CN 200910177299 A CN200910177299 A CN 200910177299A CN 101704078 A CN101704078 A CN 101704078A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000009749 continuous casting Methods 0.000 title claims abstract description 31
- 230000009467 reduction Effects 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims description 60
- 230000000994 depressogenic effect Effects 0.000 claims description 36
- 230000008676 import Effects 0.000 claims description 34
- 230000000881 depressing effect Effects 0.000 claims description 33
- 230000009471 action Effects 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract 2
- 238000005266 casting Methods 0.000 description 17
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- 238000005516 engineering process Methods 0.000 description 7
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- 238000005204 segregation Methods 0.000 description 6
- 241000239290 Araneae Species 0.000 description 4
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- 239000007788 liquid Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
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Abstract
The invention discloses a method for controlling dynamic soft reduction for plate slab continuous casting. The method comprises the following steps of: A) taking a fan-shaped segment in which the maximum solid phase ratio position of the dynamic soft reduction of a plate blank is positioned as a reference fan-shaped segment; B) controlling the action mode of the reference fan-shaped segment according to the position in which the maximum solid phase ratio position is positioned in the reference fan-shaped segment; and C) controlling the action mode of the predetermined quantities of the fan-shaped segments before the reference fan-shaped segment according to the rolling reduction of the plate blank and the predetermined reduction rates of the fan-shaped segments, wherein the action modes comprise the clamping, reduction and following actions of an inlet oil cylinder and an outlet oil cylinder of each fan-shaped segment. In the controlling method of the invention, the control of the reduction interval of the dynamic soft reduction is converted into the control of the action modes of oil cylinders of the reference fan-shaped segment and the previous predetermined quantities of the fan-shaped segments. The control method is easy to implement, little in technical innovation of continuous casting equipment and the low in implementing cost, and can realize the accurate control of the reduction interval of the dynamic soft reduction.
Description
Technical field
The present invention relates to a kind of control method that sheet billet continuous casting is dynamically gently depressed that is used for, be specifically related at the accuracy control method of dynamically gently depressing pressure range in the process.
Background technology
In the sheet billet continuous casting process, because choosing divides the effect of crystallization a large amount of low-melting solutes that made the interdendritic enrichment in the process of setting, solidifying latter stage, the residual liquid that the powerful suction that the solidification shrinkage of casting blank solidification end solid-liquid two-phase region produces causes enrichment impurity between dendrite to center flow and filling in wherein, thereby produce defectives such as the center segregation of slab and center porosity.
Because center segregation and center porosity can not be eliminated by follow-up rolling or annealing in process, and under condition of high ground stress, center segregation and center porosity cause the layering of slab easily, and therefore solving center segregation and center porosity is to improve an effective way of slab quality.
It is the new technology that at present domestic and international emtallurgy research person generally is concerned about that solidification end is gently depressed technology, can improve defectives such as the segregation of slab internal component, center porosity and center line crackle.
The parameter of gently depressing key problem in technology comprises depressing position, pressure range, drafts, reduction ratio etc.Gently depress technology and be not easy to grasp and control, one of them parameter more rambunctious is the control of pressure range.
Because the fan-shaped section of present most of casting machine is an integral type, depress roller is contained on the upper spider and lower bearing bracket of fan-shaped section, whole frame moves up and down by four hydraulic jack control frames, depressing of certain roller of control that can not be independent, after having determined the interval of solid rate,, therefore can not be controlled at pressure range in the scope of setting solid rate exactly owing to can not control each roller lifting separately at 0.3-0.75, pressure range is improper, can cause depressing the deterioration of effect.
Summary of the invention
The object of the invention is to provide a kind of control method that sheet billet continuous casting is dynamically gently depressed that is used for, to reduce owing to the former of casting machine itself effectively thereby to cause the dynamic error of gently depressing pressure range.
For this reason, the invention provides a kind of control method that sheet billet continuous casting is dynamically gently depressed that is used for, it may further comprise the steps: A) with the fan-shaped section at the place, maximum solid rate position of dynamically gently depressing of slab as the benchmark fan-shaped section; B) according to residing position in the benchmark fan-shaped section, maximum solid rate position, the manner of execution of control benchmark fan-shaped section; And C) manner of execution of the fan-shaped section of the predetermined quantity before the control benchmark fan-shaped section, wherein, in step B and step C, manner of execution comprises that the import oil cylinder of each fan-shaped section and the routine of outlet oil cylinder clamp, depress and follow down.
Preferably, in steps A, with solid rate the maximum solid rate position of dynamically gently depressing, 0.75 slab position as slab.
Preferably, in step C, the fan-shaped section of the predetermined quantity before the benchmark fan-shaped section is 2～3 fan-shaped section.
Preferably, in step C, the predetermined quantity of the fan-shaped section before the benchmark fan-shaped section is determined according to slab drafts and predetermined reduction ratio.Preferably, predetermined reduction ratio is 1.0mm/m substantially.
Preferably, in step B, residing position in the benchmark fan-shaped section, maximum solid rate position comprises: primary importance, maximum solid rate position the benchmark fan-shaped section and before fan-shaped section between the position; The second place, maximum solid rate position is in the entrance location of benchmark fan-shaped section and the position between the centre position; The 3rd position, maximum solid rate position is in the centre position of benchmark fan-shaped section and the interior position of preceding 1/3 distance between the exit position; And the 4th position, maximum solid rate position is in the centre position of benchmark fan-shaped section and the interior position of back 2/3 distance between the exit position.
Preferably, the entrance location of said reference fan-shaped section, centre position, exit position are respectively arranged with the control point, and the 3rd position and the 4th position are determined apart from the distance at the control point of centre position and exit position by maximum solid rate position.
Further preferably, in step C, when maximum solid rate position is positioned at primary importance, the import oil cylinder and the outlet oil cylinder of previous and preceding two fan-shaped section of benchmark fan-shaped section are all depressed, the import oil cylinder of benchmark fan-shaped section and outlet oil cylinder are all followed down; When maximum solid rate position is positioned at the second and the 3rd position, make the import oil cylinder of benchmark fan-shaped section depress, export oil cylinder with following, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section of benchmark fan-shaped section are all depressed, the conventional clamping of import oil cylinder, the outlet oil cylinder of preceding two fan-shaped section are depressed; When maximum solid rate position is positioned at the 4th position, making the import oil cylinder of benchmark fan-shaped section depress and export oil cylinder all depresses, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section of benchmark fan-shaped section are all depressed, the import oil cylinder of preceding two fan-shaped section is clamped with the outlet oil cylinder is all conventional.
Alternatively, 1/3 distance between the entrance location of benchmark fan-shaped section, exit position and centre position and the exit position is respectively arranged with the control point.
By above description as can be seen, in control method of the present invention, the control of the pressure range dynamically gently depressed is converted into the control of manner of execution of the oil cylinder of benchmark fan-shaped section and predetermined quantity fan-shaped section before, control method of the present invention is implemented easily, technological transformation to continuous casting installation for casting is less, implementation cost is low, can realize the more accurate control of the dynamic pressure range of gently depressing, can be under different technology conditions, liquid core position is when the different parts of casting machine, effective pressure range that accurate control is gently depressed provides very effective pressure range control method for dynamically gently depressing.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.Below with reference to figure, other purpose, feature and effect of the present invention is described in further detail.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for illustrating principle of the present invention with specification.Among the figure:
Fig. 1 shows the schematic diagram that is used for the applied continuous casting installation for casting of control method of sheet billet continuous casting according to of the present invention;
Fig. 2 shows the schematic diagram of the fan-shaped section of continuous casting installation for casting shown in Figure 1;
Fig. 3 shows a kind of arrangement at the control point that is provided with on the fan-shaped section of continuous casting installation for casting shown in Figure 2;
Fig. 4 shows the another kind of arrangement at the control point that is provided with on the fan-shaped section of the described continuous casting installation for casting of Fig. 2;
The control mode of fan-shaped section when Fig. 5 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at the fan-shaped section primary importance;
The control mode of fan-shaped section when Fig. 6 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at the fan-shaped section second place;
The control mode of fan-shaped section when Fig. 7 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at fan-shaped section the 3rd position; And
The control mode of fan-shaped section when Fig. 8 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at fan-shaped section the 4th position.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.Identical in the accompanying drawings parts are represented with identical label.
Fig. 1 shows the schematic diagram that is used for the applied continuous casting installation for casting of control method (perhaps being called casting machine) of sheet billet continuous casting according to of the present invention, and Fig. 2 shows the schematic diagram of the fan-shaped section of continuous casting installation for casting shown in Figure 1.As illustrated in fig. 1 and 2, continuous casting installation for casting 100 has by a plurality of fan-shaped section 100a of arc shooting and horizontal a plurality of fan-shaped section 100b, and the pressure range A that dynamically gently depresses of the present invention illustrates with horizontal three fan-shaped section 110,120,130.
The lower bearing bracket 116 of fan-shaped section 110 is provided with 7 and depresses and roll 115, the depressing of lower bearing bracket rolls 115 can not lifting, 7 of installations are depressed and are rolled 114 on the upper spider 113, on the upper spider 113 7 depress roll 114 can free lifting except middle driven roller, all the other rods can only follow upper spider to do lift action, lifting separately.The structure of other fan-shaped section 120,130 is identical with fan-shaped section 110, is not elaborated at this.
The control of depressing of fan-shaped section 110 is mainly controlled by oil cylinder (perhaps being called hydraulic cylinder) 111,112, when condition satisfies when depressing, control software is by the drafts of roll gap control computing formula fan-shaped section import oil cylinder (perhaps being called the front end oil cylinder) 111 and outlet oil cylinder (perhaps being called the rear end oil cylinder) 112, control signal is depressed in transmission, oil cylinder begins to depress, when reaching the position, oil cylinder is automatically locked, and keeps the stable of roll gap.When process conditions changed, control software carried out the adjustment of roll gap again.
In control method of the present invention, at first, with the fan-shaped section at the suitable place, maximum solid rate position of gently depressing of slab as the benchmark fan-shaped section; Then, according to residing position in the benchmark fan-shaped section, maximum solid rate position, the manner of execution of control benchmark fan-shaped section; And according to the predetermined reduction ratio of slab drafts and fan-shaped section, the manner of execution of the fan-shaped section of the predetermined quantity before the control benchmark fan-shaped section, wherein, manner of execution comprises that the import oil cylinder of each fan-shaped section and the routine of outlet oil cylinder clamp, depress and follow down.
The maximum solid rate position that is suitable for gently depressing of slab can be determined by solidifying the trace model analysis.It will be appreciated by those skilled in the art that, maximum solid rate position is optional, usually with solid rate be 0.75 slab position as the maximum solid rate position that is suitable for gently depressing, certain, also can be with solid rate greater than 0.75 or be chosen as maximum solid rate position less than 0.75 position.
In the present invention, the predetermined reduction ratio of fan-shaped section is preferably about 1.0mm/m, can certainly be bigger than normal or less than normal, the drafts of gently depressing of fan-shaped section can be selected on the basis of following constraints, these constraintss comprise: 1, will guarantee to reduce center segregation and center porosity, promptly will compensate solidification shrinkage; 2, avoid slab to produce implosion, promptly ess-strain is lower than strength degree; 3, gently depress the integrality that the active force of distinguishing the drafts generation can not influence casting machine fan-shaped section rack construction, can not be had a negative impact the fatigue life of backing roll; 4, the distribution of different interval drafts should guarantee, at the drafts in the low interval of solid rate suitably greater than the high drafts of solid rate; 5, the change of drafts should be tried one's best smoothly, and minimizing should be depressed the stress that causes.
In control method of the present invention, the fan-shaped section of the predetermined quantity before the benchmark fan-shaped section can comprise 2 or 3 fan-shaped section, is preferably 2 fan-shaped section, yet, also can be 4 fan-shaped section or more.
In the present invention, term " conventional clamp " refers to that the depress roller of fan-shaped section do not depress, and keeps the initial roll gap of setting; Term " depress oil cylinder " refers to that oil cylinder gently depresses.Term " oil cylinder with down " refers to that oil cylinder do not depress slab, just on the basis of former roll gap with next and the identical position quantity of previous fan-shaped section drafts.
Below in conjunction with Fig. 3 and Fig. 8 the embodiment according to control method of the present invention is elaborated.
Because under the different continuous casting process conditions, the position of the relative fan-shaped section in maximum solid rate position that is suitable for gently depressing of slab changes, yet the maximum solid rate position that is suitable for gently depressing of slab and the relation between the fan-shaped section have only two kinds, a kind of is that maximum solid rate position is between certain fan-shaped section and last fan-shaped section, another kind is the horizontal range that is positioned at this a certain fan-shaped section, and the present invention will meet the fan-shaped section of above-mentioned two kinds of relations as the benchmark fan-shaped section.
In the present embodiment, fan-shaped section 110 is the benchmark fan-shaped section, with benchmark fan-shaped section and two fan-shaped section 120,130 before as the control object, by the import oil cylinder 111 of control benchmark fan-shaped section and two fan-shaped section 120,130 before and the manner of execution of outlet oil cylinder 112, reach the purpose of control pressure range.
The manner of execution of the import oil cylinder 111 of benchmark fan-shaped section and outlet oil cylinder 112 is determined in benchmark fan-shaped section 110 residing positions by the maximum solid rate position that is suitable for gently depressing of slab.The inventor finds according to test of many times, the maximum solid rate position that is suitable for gently depressing of slab is subdivided into four kinds of positions in benchmark fan-shaped section 110 residing positions, control the import oil cylinder of benchmark fan-shaped section 110 and two fan-shaped section 120,130 before and the manner of execution of outlet oil cylinder, the effect of dynamically gently depressing of its acquisition is best.
The definite of above-mentioned four kinds of positions realizes by the control point that is provided with on the fan-shaped section.
Fig. 3 shows a kind of arrangement at the control point that is provided with on the fan-shaped section of continuous casting installation for casting shown in Figure 2.As shown in Figure 3, the entrance location of fan-shaped section 110, centre position and exit position have control point A1, A2 and A3 respectively, the entrance location of fan-shaped section 120, centre position and exit position have control point A3, A4 and A5 respectively, and the entrance location of fan-shaped section 130, centre position and exit position have control point A5, A6 and A7 respectively.
Four kinds of positions of above-mentioned maximum solid rate position comprise: primary importance, the benchmark fan-shaped section and before fan-shaped section between the position, i.e. the control point A3 position at place substantially; The second place is in the entrance location of benchmark fan-shaped section and the position between the centre position, i.e. position between control point A3 and the A2; The 3rd position is in the centre position of benchmark fan-shaped section and the interior position of preceding 1/3 distance between the exit position, the i.e. interior position of preceding 1/3 distance between control point A2 and the control point A1; And the 4th position, in the centre position of benchmark fan-shaped section and the interior position of back 2/3 distance between the exit position, the i.e. interior position of back 2/3 distance between control point A2 and the control point A1.
The control mode of fan-shaped section when Fig. 5 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at the fan-shaped section primary importance.As shown in Figure 5, the boundary between fan-shaped section 110 and the fan-shaped section 120 is S.When maximum solid rate position is positioned at primary importance, the import oil cylinder and the outlet oil cylinder of previous and preceding two fan-shaped section 120,130 of benchmark fan-shaped section 110 are all depressed, the import oil cylinder 111 of benchmark fan-shaped section 110 and outlet oil cylinder 112 are all followed down.
The control mode of fan-shaped section when Fig. 6 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at the fan-shaped section second place.As shown in Figure 6, when maximum solid rate position is positioned at the second place, make the import oil cylinder of benchmark fan-shaped section depress, export oil cylinder with following, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section of benchmark fan-shaped section are all depressed, the conventional clamping of import oil cylinder, the outlet oil cylinder of preceding two fan-shaped section are depressed.
The control mode of fan-shaped section when Fig. 7 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at fan-shaped section the 3rd position.As shown in Figure 7, when maximum solid rate position is positioned at the 3rd position, make the import oil cylinder of benchmark fan-shaped section 110 depress, export oil cylinder with following, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section 120 of benchmark fan-shaped section are all depressed, the conventional clamping of import oil cylinder, the outlet oil cylinder of preceding two fan-shaped section 130 are depressed.
The control mode of fan-shaped section when Fig. 8 shows maximum solid rate position that slab is suitable for gently depressing and is positioned at fan-shaped section the 4th position.As shown in Figure 7, when maximum solid rate position is positioned at the 4th position, making the import oil cylinder of benchmark fan-shaped section 110 depress and export oil cylinder all depresses, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section 120 of benchmark fan-shaped section are all depressed, the import oil cylinder of preceding two fan-shaped section 130 is clamped with the outlet oil cylinder is all conventional.
It may occur to persons skilled in the art that, also can be respectively arranged with the control point in entrance location, exit position and the centre position of benchmark fan-shaped section and 1/3 distance between the exit position, be followed successively by A1, A7, A3, A8, A4, A9 and A5, as shown in Figure 4, when maximum solid rate position is positioned at A3, carry out control mode shown in Figure 5, when maximum solid rate is between A3 and A7, carry out control mode shown in Figure 6, when maximum solid rate is between A7 and A1, carry out control mode shown in Figure 8.
By above description as can be seen, in control method of the present invention, the control of the pressure range dynamically gently depressed is converted into the control of manner of execution of the oil cylinder of benchmark fan-shaped section and predetermined quantity fan-shaped section before, control method of the present invention is implemented easily, technological transformation to continuous casting installation for casting is less, implementation cost is low, can be under different technology conditions, liquid core position is when the different parts of casting machine, effective pressure range that accurate control is gently depressed provides very effective pressure range control method for dynamically gently depressing.And in the prior art, after having determined the interval of solid rate,, therefore can accurately not control pressure range owing to can not control each roller lifting separately at 0.3-0.75.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind is used for the control method that sheet billet continuous casting is dynamically gently depressed, and it is characterized in that, may further comprise the steps:
A) with the fan-shaped section at the place, maximum solid rate position of dynamically gently depressing of slab as the benchmark fan-shaped section;
B), control the manner of execution of described benchmark fan-shaped section according to residing position in described benchmark fan-shaped section, described maximum solid rate position; And
C) manner of execution of the fan-shaped section of the predetermined quantity before the described benchmark fan-shaped section of control,
Wherein, in step B and step C, described manner of execution comprise fan-shaped section the import oil cylinder and the outlet oil cylinder clamping, depress and follow down.
2. according to claim 1ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that, in steps A,
It with solid rate the maximum solid rate position of dynamically gently depressing, 0.75 slab position as described slab.
3. according to claim 1ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that, in step C,
The fan-shaped section of the predetermined quantity before the described benchmark fan-shaped section is 2～3 fan-shaped section.
4. according to claim 1ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that, in step C,
The predetermined quantity of the fan-shaped section before the described benchmark fan-shaped section is determined according to slab drafts and predetermined reduction ratio.
5. according to claim 4ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that, in step C,
Described predetermined reduction ratio is 1.0mm/m substantially.
6. according to claim 1ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that in step B, described maximum solid rate position comprises residing position in described benchmark fan-shaped section:
Primary importance, described maximum solid rate position described benchmark fan-shaped section and before fan-shaped section between the position;
The second place, described maximum solid rate position is in the entrance location of described benchmark fan-shaped section and the position between the centre position;
The 3rd position, described maximum solid rate position is in the centre position of described benchmark fan-shaped section and the interior position of preceding 1/3 distance between the exit position; And
The 4th position, described maximum solid rate position is in the centre position of described benchmark fan-shaped section and the interior position of back 2/3 distance between the exit position.
7. according to claim 6ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that,
The entrance location of described benchmark fan-shaped section, centre position, exit position are respectively arranged with the control point,
Described the 3rd position and the 4th position are determined by the distance at the control point of described centre position of distance, described maximum solid rate position and exit position.
8. according to claim 6ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that,
1/3 distance between the entrance location of described benchmark fan-shaped section, exit position and centre position and the exit position is respectively arranged with the control point.
9. describedly be used for the control method that sheet billet continuous casting is dynamically gently depressed according to claim 6 or 7, it is characterized in that, in step C,
The fan-shaped section of the predetermined quantity before the described benchmark fan-shaped section is 2 fan-shaped section.
10. according to claim 9ly be used for the control method that sheet billet continuous casting is dynamically gently depressed, it is characterized in that, in step C,
When described maximum solid rate position is positioned at primary importance, the import oil cylinder and the outlet oil cylinder of previous and preceding two fan-shaped section of described benchmark fan-shaped section are all depressed, the import oil cylinder of described benchmark fan-shaped section and outlet oil cylinder are all followed down;
When described maximum solid rate position is positioned at the second and the 3rd position, make the import oil cylinder of described benchmark fan-shaped section depress, export oil cylinder with following, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section of described benchmark fan-shaped section are all depressed, the import oil cylinder clamping of preceding two fan-shaped section, outlet oil cylinder are depressed;
When described maximum solid rate position is positioned at the 4th position, making the import oil cylinder of described benchmark fan-shaped section depress and export oil cylinder all depresses, the import oil cylinder and the outlet oil cylinder of the previous fan-shaped section of described benchmark fan-shaped section are all depressed, the import oil cylinder of preceding two fan-shaped section and outlet oil cylinder are all clamped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101772997A CN101704078B (en) | 2009-09-29 | 2009-09-29 | Method for controlling dynamic soft reduction for plate blank continuous casting |
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| CN2009101772997A CN101704078B (en) | 2009-09-29 | 2009-09-29 | Method for controlling dynamic soft reduction for plate blank continuous casting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312001A (en) * | 2016-08-22 | 2017-01-11 | 中国重型机械研究院股份公司 | Method for achieving soft reduction transformation of slab continuous caster |
| CN107116195A (en) * | 2017-05-31 | 2017-09-01 | 西安交通大学 | A kind of dynamic light pressing control method based on flow data |
| CN115007827A (en) * | 2022-05-24 | 2022-09-06 | 柳州钢铁股份有限公司 | Slab caster solidification tail end reduction interval control method |
-
2009
- 2009-09-29 CN CN2009101772997A patent/CN101704078B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312001A (en) * | 2016-08-22 | 2017-01-11 | 中国重型机械研究院股份公司 | Method for achieving soft reduction transformation of slab continuous caster |
| CN106312001B (en) * | 2016-08-22 | 2018-09-04 | 中国重型机械研究院股份公司 | A method of realizing the transformation of slab caster slighter compress |
| CN107116195A (en) * | 2017-05-31 | 2017-09-01 | 西安交通大学 | A kind of dynamic light pressing control method based on flow data |
| CN115007827A (en) * | 2022-05-24 | 2022-09-06 | 柳州钢铁股份有限公司 | Slab caster solidification tail end reduction interval control method |
| CN115007827B (en) * | 2022-05-24 | 2023-06-06 | 柳州钢铁股份有限公司 | Control method for pressing interval of solidification tail end of slab continuous casting machine |
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| CN101704078B (en) | 2011-12-21 |
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