CN201211556Y - Binary cooling type thin slab continuous casting crystallizer - Google Patents
Binary cooling type thin slab continuous casting crystallizer Download PDFInfo
- Publication number
- CN201211556Y CN201211556Y CNU2008201477520U CN200820147752U CN201211556Y CN 201211556 Y CN201211556 Y CN 201211556Y CN U2008201477520 U CNU2008201477520 U CN U2008201477520U CN 200820147752 U CN200820147752 U CN 200820147752U CN 201211556 Y CN201211556 Y CN 201211556Y
- Authority
- CN
- China
- Prior art keywords
- circular
- cooling
- continuous casting
- groove
- round
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a binary cooling type thin-slab continuous casting crystallizer, which belongs to the technical field of continuous steel casting equipment. The continuous casting crystallizer comprises two wide die plates and two small die plates in symmetrical arrangement, wherein the wide die plates are provided with round combined cooling deep holes with a corresponding distance from a hot side of a copperplate; each round combined cooling deep hole consists of a round deep hole at the curved face part and a round short hole at the plane part; the round deep hole is communicated with the round short hole; the round deep hole forms an angle alpha with a corresponding longitudinal section; and the round short hole is parallel with the corresponding longitudinal section; an upper water through tank and a lower water through tank are arranged on a back cavity of the copperplate of each wide die plate; a plurality of round combined cooling deep holes are communicated with the upper and lower water through tanks to form a cooling water passage; and a longitudinal compensating tank and a horizontal compensating tank with a certain distance are arranged in the back cavity of the copperplate. The continuous casting crystallizer is reasonable in cooling distribution, can effectively reduce the quality defect of casting blanks, can be used to produce cracking sensibility steel grade such as peritectic steel, and improves the service life of the copperplate of the crystallizer.
Description
Technical field
The utility model belongs to the continuous casting equipment technical field, is specifically related to a kind of binary cooling type crystallizer for continuous casting of thin slabs.
Background technology
Crystallizer for continuous casting of thin slabs is made up of two wide face die plates and two leptoprosopy templates.When producing sheet billet, crystallizer is constantly injected from the submersed nozzle on crystallizer top in source, liquid steel water source, after effects such as crystallizer cooled and solidified, form the rectangular base shell in cross section in the crystallizer bottom, base shell inside is liquid molten steel, under the dragging of Blank drawing machine below the crystallizer, the base shell is along the continuous from top to bottom output of crystallizer.The effect of the wide face die plate water channel of sheet blank continuous casting is the passage that cooling water is provided for crystallizer, and the shape in water channel cross section, the back side is generally rectangle water channel, combination rectangle water channel, is with the combination rectangle water channel of arc transition several.This water channel type of cooling can form at the place, right angle of rectangle water channel or combination rectangle water channel limit portion and bottom in the horizontal direction unequal of crystallizer heat conduction, belongs to the monobasic heat transfer type of cooling, is the root that causes the crystallizer inhomogeneous cooling to spare; The combination rectangle water channel of band arc transition though considered part binary cooling property, because the restriction that channel width is made, can produce the non-equidistant deviation on the width in the big position of curve-surface cavity radius of curvature, formed the inhomogeneities of cooling; More than several water channel forms the panel that guarantees that water flow section equates all will be set, increased manufacturing and mounting hardness; More than several water channel forms can't arrange in the bolt hole position, can not reach theoretic water channel cooling density; More than several water channel forms fail to take into full account the big thermal expansion difference problem of wide copper coin hot side and huyashi-chuuka (cold chinese-style noodles), can produce wide copper coin excessive deformation in use.Mass defects such as above-mentioned situation can cause strand to produce longitudinal crack and the generation of copper coin hot-spot is softening, creep, hot tearing, etch.
Summary of the invention:
For solving the above-mentioned defective of prior art, the utility model purpose is to be used to provide a kind of cooling to distribute rationally, can effectively reduce the binary cooling type crystallizer for continuous casting of thin slabs of the mass defect of strand.This binary cooling type crystallizer for continuous casting of thin slabs can effectively reduce strand longitudinal crack and copper coin hot-spot and soften, mass defects such as creep, etch, hot tearing, can produce the responsive steel grades of crackle such as peritectic steel, the service life that also can improve copper plate of crystallizer.
For achieving the above object, the technical solution adopted in the utility model is: this binary cooling type crystallizer for continuous casting of thin slabs is made up of symmetrically arranged two wide face die plates and two leptoprosopy templates, the working face of described wide face die plate has curvature portion and planar section, it is characterized in that: described wide face die plate is provided with circular combination cooling deep borehole in distance copper coin hot side respective distance, circular combination cooling deep borehole is made of the short hole of circular deep hole that is positioned at described curvature portion and the circle that is positioned at described planar section, circular deep hole and circular short hole are connected, described circular deep hole longitudinal cross-section corresponding with it forms angle α, the corresponding longitudinal cross-section of described circular short Kong Yuqi is parallel, the two ends of circular combination cooling deep borehole are provided with seal plug, copper coin back of the body chamber at wide face die plate is provided with water-flowing trough and following water-flowing trough, a plurality of circular combination cooling deep boreholes and last, the following water-flowing trough formation cooling water channel that communicates; In the copper coin back of the body chamber longitudinal compensation groove at regular intervals and horizontal compensating tank are set, longitudinal compensation groove and horizontal compensating tank intersect each other, and its bottom land equates to the distance of the working face of wide face die plate.
Described angle α is according to the cross section curvilinear motion, and the scope of α is 0 °≤α≤6 °.
Described longitudinal compensation groove is risen as high as the banks by top skewed slot and bottom and is formed, and skewed slot upper end in top is provided with the vertical wide compensate for process groove that is communicated with it, and top skewed slot and its respective cross-section form angle β; Described horizontal compensating tank is made up of the straight-line groove of curved groove and two ends symmetry, straight-line groove is provided with coupled logical horizontal wide compensate for process groove near the copper coin two ends, the bottom land curve of curved groove is identical with the surfaces intersection of respective cross-section working face, and curved groove and symmetrical line groove seamlessly transit crossing.
The bottom land curve of described curved groove can be circular arc line, hyperbola, parabola or ellipse according to the shape of working face.
Described angle β is according to the cross section curvilinear motion, and the scope of β is 0 °≤β≤6 °.
Adopt the technique scheme beneficial effect to be: this binary cooling type crystallizer for continuous casting of thin slabs has wide face die plate, wide face die plate is provided with circular combination cooling deep borehole in distance copper coin hot side respective distance, and be distributed in whole wide copper coin with corresponding spacing by crystallizer internal cavity temperature height is different, copper coin back of the body chamber at wide face die plate is provided with water-flowing trough and following water-flowing trough, a plurality of circular combination cooling deep boreholes and last, the following water-flowing trough formation cooling water channel that communicates, cooling water carries out the heat transfer on the binary direction at circular water-cooling channel edge, take away heat, play crystallizer internal cavity even Cooling Heat Transfer effect in the horizontal direction; Because the crystallizer copper plate thickness direction is inclined wedge-shaped and conventional relatively slab is bigger, the distance of its hot side and huyashi-chuuka (cold chinese-style noodles) differs bigger, in the copper coin back of the body chamber longitudinal compensation groove at regular intervals and horizontal compensating tank are set, longitudinal compensation groove and horizontal compensating tank intersect each other, and the temperature compensation groove of Xiang Jiaoing is to prevent causing that because of copper coin produces excessive distortion in heat transfer process copper coin connecting bolt overload lost efficacy in length and breadth.This design has overcome the sudden change on conducting aspect horizontal of heat that rectangle cooling water channel and combination rectangle cooling water channel form in copper coin limit portion and bottom; Overcome rectangle water channel, combination rectangle water channel, be with the restriction of the combination rectangle water channel of arc transition to width, can produce the non-equidistant deviation on the width in the big position of curve-surface cavity radius of curvature, the inhomogeneous cooling that causes is spared property; Solved the water channel Layout Problem at place, bolt hole position; Can suitably increase the layout density of cooling water channel in the high-temperature region in theory at crystallizer internal cavity, easy to install.Strand longitudinal crack and copper coin can be effectively reduced aborning because of mass defects such as hot-spot is softened, creep, etch, hot tearings, the responsive steel grades of crackle such as peritectic steel can be produced, the service life that also can improve copper plate of crystallizer.
Below in conjunction with accompanying drawing specific embodiment of the utility model is described in further detail.
Description of drawings:
Fig. 1 is an outline drawing of the present utility model;
Fig. 2 is wide horizontal compensating tank profile of the utility model crystallizer;
Fig. 3 is wide structure figure of the utility model crystallizer;
Fig. 4 is the A-A profile of Fig. 3;
Fig. 5 is the B-B profile of Fig. 3.
Reference numeral among the figure: 1 wide face die plate; 2 leptoprosopy templates; 3 submersed nozzles; 4 crystallizer internal cavities; 5 circular deep holes; 6 circular short holes; Limbers on 7; 8 times limbers; 9 plugs; 10 working face curvature portions; 11 working face planar sections; 12 longitudinal compensation grooves; 13 top skewed slots; Rise as high as the banks in 14 bottoms; 15 vertical wide compensate for process grooves; 16 horizontal compensating tanks; 17 curved grooves; 18 straight-line grooves; 19 horizontal wide compensate for process grooves.
The specific embodiment:
Binary cooling type crystallizer for continuous casting of thin slabs as shown in Figure 1, it is made up of symmetrically arranged two wide face die plates 1 and two leptoprosopy templates 2, wide face die plate and leptoprosopy template surround crystallizer internal cavity 4, the working face of wide face die plate 1 is made up of planar section 11 and curvature portion 10, and submersed nozzle 3 is arranged on crystallizer top.
Referring to Fig. 2, Fig. 4, wide face die plate 1 is provided with circular combination cooling deep borehole in distance copper coin hot side respective distance, circular combination cooling deep borehole is made of the short hole 6 of circular deep hole 5 that is positioned at described curvature portion and the circle that is positioned at described planar section, circular deep hole 5 and circular short hole 6 are connected, circular deep hole 5 longitudinal cross-sections corresponding with it form angle α, angle α is according to the cross section curvilinear motion, and the scope of α is 0 °≤α≤6 °.The corresponding longitudinal cross-section with it of circular short deep hole 6 intersection is parallel, the circular combination of formation cooling deep borehole is intersected in circular deep hole 5 and circular short hole 6 on the same longitudinal cross-section, two ends are provided with seal plug 9, the circular cooling deep boreholes formation cooling water channel that communicates with upper and lower water-flowing trough 7,8 that makes up of 8,2～6 of water-flowing trough 7 and following water-flowing troughs is set in the copper coin of wide face die plate back of the body chamber.
Referring to Fig. 2, Fig. 3, Fig. 5, in the wide face die plate copper coin back of the body chamber longitudinal compensation groove 12 at regular intervals and horizontal compensating tank 16 are set, and longitudinal compensation groove 12 and horizontal compensating tank 16 intersect each other, its bottom land is equidistant to working face, longitudinal compensation groove 12 is divided into top skewed slot 13 and bottom 14 two parts of rising as high as the banks, skewed slot 13 upper ends in top are provided with the vertical wide compensate for process groove 15 that is fit to than deep trouth processing, top skewed slot 13 is identical with vertical wide compensate for process groove 15 both groove depths, on same oblique line plane and intersect, top skewed slot 13 forms angle β with its respective cross-section, according to the cross section curvilinear motion, angle β scope is between 0 °～6 °.Laterally compensating tank 16 is made of the straight-line groove 18 of curved groove 17 and two ends symmetry, wherein straight-line groove 18 is provided with the horizontal wide compensate for process groove 19 that is fit to than deep trouth processing near the copper coin two ends, straight-line groove 18 is identical with horizontal wide compensate for process groove 19 both groove depths, on same straight line plane and intersect, the bottom land curve of curved groove 17 is identical with the surfaces intersection of respective cross-section working face, according to its curve of working face shape can be circular arc line, hyperbola, parabola or ellipse, and curved groove 17 seamlessly transits crossing with the straight-line groove 18 of its two ends symmetry.
Claims (5)
1, a kind of binary cooling type crystallizer for continuous casting of thin slabs, have symmetrically arranged two wide face die plates and two leptoprosopy templates compositions, the working face of described wide face die plate has curvature portion and planar section, it is characterized in that: described wide face die plate is provided with circular combination cooling deep borehole in distance copper coin hot side respective distance, circular combination cooling deep borehole is made of the short hole of circular deep hole that is positioned at described curvature portion and the circle that is positioned at described planar section, circular deep hole and circular short hole are connected, described circular deep hole longitudinal cross-section corresponding with it forms angle α, the corresponding longitudinal cross-section of described circular short Kong Yuqi is parallel, the two ends of circular combination cooling deep borehole are provided with seal plug, copper coin back of the body chamber at wide face die plate is provided with water-flowing trough and following water-flowing trough, a plurality of circular combination cooling deep boreholes and last, the following water-flowing trough formation cooling water channel that communicates; In the copper coin back of the body chamber longitudinal compensation groove at regular intervals and horizontal compensating tank are set, longitudinal compensation groove and horizontal compensating tank two intersect each other, and its bottom land equates to the distance of the working face of wide face die plate.
2, a kind of binary cooling type crystallizer for continuous casting of thin slabs according to claim 1 is characterized in that: described angle α is according to the cross section curvilinear motion, and the scope of α is 0 °≤α≤6 °.
3, a kind of binary cooling type crystallizer for continuous casting of thin slabs according to claim 1, it is characterized in that: described longitudinal compensation groove is risen as high as the banks by top skewed slot and bottom and is formed, skewed slot upper end, top is provided with the vertical wide compensate for process groove that is communicated with it, and top skewed slot and its respective cross-section form angle β; Described horizontal compensating tank is made up of the straight-line groove of curved groove and two ends symmetry, straight-line groove is provided with coupled logical horizontal wide compensate for process groove near the copper coin two ends, the bottom land curve of curved groove is identical with the surfaces intersection of respective cross-section working face, and curved groove and symmetrical line groove seamlessly transit crossing.
4, a kind of binary cooling type crystallizer for continuous casting of thin slabs according to claim 3, it is characterized in that: the bottom land curve of described curved groove can be circular arc line, hyperbola, parabola or ellipse according to the working face curve form.
5, a kind of binary cooling type crystallizer for continuous casting of thin slabs according to claim 3 is characterized in that: described angle β is according to the cross section curvilinear motion, and the scope of β is 0 °≤β≤6 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201477520U CN201211556Y (en) | 2008-07-01 | 2008-07-01 | Binary cooling type thin slab continuous casting crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201477520U CN201211556Y (en) | 2008-07-01 | 2008-07-01 | Binary cooling type thin slab continuous casting crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201211556Y true CN201211556Y (en) | 2009-03-25 |
Family
ID=40495710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201477520U Expired - Lifetime CN201211556Y (en) | 2008-07-01 | 2008-07-01 | Binary cooling type thin slab continuous casting crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201211556Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116186A (en) * | 2017-04-27 | 2017-09-01 | 西峡龙成特种材料有限公司 | A kind of slim slab copper plate of crystallizer of compound cooling structure |
| CN108393445A (en) * | 2017-02-05 | 2018-08-14 | 鞍钢股份有限公司 | A kind of peritectic steel mold copper plate in slab continuous casting and water-cooling method |
| CN110695409A (en) * | 2019-09-17 | 2020-01-17 | 安徽马钢表面技术股份有限公司 | Drilling method of interpenetrated small-diameter deep and long hole |
-
2008
- 2008-07-01 CN CNU2008201477520U patent/CN201211556Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393445A (en) * | 2017-02-05 | 2018-08-14 | 鞍钢股份有限公司 | A kind of peritectic steel mold copper plate in slab continuous casting and water-cooling method |
| CN107116186A (en) * | 2017-04-27 | 2017-09-01 | 西峡龙成特种材料有限公司 | A kind of slim slab copper plate of crystallizer of compound cooling structure |
| CN107116186B (en) * | 2017-04-27 | 2018-09-14 | 西峡龙成特种材料有限公司 | A kind of slim slab copper plate of crystallizer of compound cooling structure |
| CN110695409A (en) * | 2019-09-17 | 2020-01-17 | 安徽马钢表面技术股份有限公司 | Drilling method of interpenetrated small-diameter deep and long hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201871696U (en) | Narrow face copper plate of crystallizer with curved structure | |
| CN102151808B (en) | Water cooling channel for large beam blank continuous casting crystallizer | |
| CN201211556Y (en) | Binary cooling type thin slab continuous casting crystallizer | |
| CN101412080B (en) | Novel sheet bar funnel-type crystallizer and method for producing the same | |
| JPH11267794A (en) | Casting mold cooled by liquid | |
| CN2805982Y (en) | Slab continuous casting machine mold capable of reducing casting block crack | |
| CN204685980U (en) | One laterally with longitudinally becomes convexity continuous casting crystallizer copper plate | |
| WO2012019515A1 (en) | Rectangular billet casting mold | |
| CN202715800U (en) | Funnel type crystallizer copper plate with cooling water gaps in non-uniform distribution | |
| CN201524777U (en) | Changeable water tank section slab crystallizer copper plate | |
| CN115007816A (en) | Thin slab continuous casting crystallizer copper plate with cooling structure | |
| CN102794445B (en) | Slab continuous casting submersed nozzle | |
| CN2885458Y (en) | Crystallizer copper plate for sheet blank continuous casting | |
| CN202239531U (en) | Cooling water passage of large-sized shaped blank continuous casting crystallizer | |
| CN204588975U (en) | A kind of monolithic optical glass-forming die | |
| CN101439394B (en) | Crystallizer | |
| CN205020772U (en) | External recessing round steel ingot mould | |
| CN206662223U (en) | A kind of wide face copper coin of new type superthin plate slab crystallizer | |
| CN215657734U (en) | High-drawing-speed rectangular billet continuous casting crystallizer copper pipe | |
| CN217452053U (en) | Continuous casting crystallizer copper plate with novel cooling structure | |
| CN203343395U (en) | High pulling speed continuous casting submerged nozzle with liquid steel buffering | |
| CN1292858C (en) | Water-cooled metal continuous-casting crystallizer | |
| CN204097317U (en) | A kind of optical glass forming mold | |
| CN217452051U (en) | Thin slab continuous casting crystallizer copper plate with cooling structure | |
| CN217551107U (en) | Crystallizer copper plate with composite structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090325 |
|
| CX01 | Expiry of patent term |