CN201267869Y - Unidirectional solidification device of super-thick plate blank - Google Patents
Unidirectional solidification device of super-thick plate blank Download PDFInfo
- Publication number
- CN201267869Y CN201267869Y CNU2008201532388U CN200820153238U CN201267869Y CN 201267869 Y CN201267869 Y CN 201267869Y CN U2008201532388 U CNU2008201532388 U CN U2008201532388U CN 200820153238 U CN200820153238 U CN 200820153238U CN 201267869 Y CN201267869 Y CN 201267869Y
- Authority
- CN
- China
- Prior art keywords
- cavity
- molten steel
- heat
- insulating shield
- bet
- 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
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model relates to an unidirectional solidification device for an extra-thick plate blank. A pouring pipe (8) is arranged on a pouring base (5); a pouring passage (8a) of the pouring pipe is communicated with a molten steel passage of the pouring base; a left cooling lateral wall, a right cooling lateral wall (4), a front ingot mold and a rear ingot mold (7) are respectively arranged on the four directions of the pouring base (5); the surface of the pouring base (5) is attached with a lower heat insulation plate (2); a fire resistance brick (3) is vertically arranged on the heat insulation plate; the fire resistance brick is provided with an upper heat insulation plate (2) parallel with the pouring base, and the left end, the right end, the front end and the rear end of which are respectively connected with the left cooling lateral wall, the right cooling lateral wall, the front ingot mold and the rear ingot mold; a right gas hole and a left gas hole (1, 1) are respectively arranged on the upper heat insulation plate; and the molten steel passage is provided with a molten steel passage (6a) for a left cavity and a molten steel passage (6b) for a right cavity. The device with a compact structure has the advantages of saving cost, improving the internal quality of the steel ingot, greatly improving production efficiency and being applicable to the production of extra-thick plate blank.
Description
Technical field
The utility model relates to a kind of unidirectional solidification device of extra-thick plate blank, relates in particular to the unidirectional solidification device that is suitable for the High-efficient Production extra-thick plate blank.
Background technology
The unidirectional solidification technology is a die casting technology of producing extra-thick plate blank that grows up the eighties in last century, is fit to strand and maximizes, and can eliminate or reduce the loose and segregation of steel ingot inside, improves the uniformity of steel ingot body, obtains high-quality extra-thick plate blank.
At present, manufacture order is to the unidirectional solidification device of the employed extra-thick plate blank of coagulated ingot, just like Chinese patent 93238966.x with Japan Patent JP5606363 is disclosed is called the unidirectional solidification device of the extra-thick plate blank of " method of making a bet ", promptly, molten steel injects ingot mould from the last orifice that is formed on the cooling chassis, cooling is forced in the steel ingot bottom, and oppose side wall and top are incubated, and column crystal is grown vertically upward.In the bottom running that the unidirectional solidification device of this extra-thick plate blank is in the past adopted, not only increased the manufacture difficulty on cooling chassis, and near the cooling capacity of last orifice on cooling chassis weakens greatly, makes the thermal center (-tre) concentrate near the outlet of orifice, is unfavorable for the growth of column crystal.
And Chinese patent 951101196.8 discloses the unidirectional solidification device of the extra-thick plate blank of a kind of being called " top teeming process ", should " top teeming process " be, molten steel is injected in the ingot mould from submersed nozzle, the intensity of cooling of steel ingot bottom is strengthened, help the growth of column crystal, in addition, the head of ingot mould has increased insulation cover, makes whole steel ingot have a bigger thermograde from top to bottom all the time.In this structure,, can not avoid molten steel to be applied to cooling off directly washing away of chassis, being difficult in the actual production owing to increased servicing unit such as tundish.
No matter be the unidirectional solidification device that adopts the extra-thick plate blank of " top teeming process " or " method of making a bet "; it all can have covering slag to be involved in the casting cycle of coagulated ingot and form inclusion defect at manufacture order; in the insulating process at top, need to consume a large amount of insulation material and exothermic material; and the steel ingot of at every turn can only casting, production efficiency is lower.
The utility model content
In view of the problem of above-mentioned existence, the purpose of this utility model is to provide a kind of compact conformation, saves the unidirectional solidification device that is suitable for producing extra-thick plate blank that cost also can improve the steel ingot internal soundness, enhance productivity greatly.
For achieving the above object, the unidirectional solidification device of extra-thick plate blank of the present utility model has: ingot mould (7) and heat-insulating shield (2) thereof; Left and right gas hole (1); Refractory brick (3); Cooling wall (4); The chassis of making a bet (5) of containing molten steel passage (6); And the upright gate spool (8) that is located on the described chassis of making a bet, the cast passage (8a) of described gate spool and the described molten steel channel connection on the described chassis of making a bet is characterized in that,
Described cooling wall (4) is located at the left and right cooling side wall of ingot mould (7) for upright, and described heat-insulating shield (2) is arranged at described ingot mould (7) up and down, constitutes ingot solidification cavity (k),
In described cavity, on the surface on the described chassis of making a bet, be fitted with described heat-insulating shield down, the centre in described cavity, described refractory brick is upright to be located on the described heat-insulating shield down, and described ingot solidification is divided into left cavity (k1) and right cavity (k2) with cavity,
The upright described refractory brick that is located on the described heat-insulating shield down is provided with described the go up heat-insulating shield parallel with the described chassis of making a bet, the two ends, the left and right sides that should go up heat-insulating shield link to each other with described left and right cooling side wall and described forward and backward ingot mould respectively with the rear and front end, with described left cavity and the sealing of right cavity
Described left and right gas hole is located at described go up heat-insulating shield on corresponding with described left cavity and right cavity respectively,
Difference has the left cavity that communicates with described left cavity and right cavity respectively molten steel passage (6a) and right cavity molten steel passage (6b) on the described molten steel passage on the described chassis of making a bet.
In the unidirectional solidification device of above-mentioned extra-thick plate blank, also be fitted with described forward and backward heat-insulating shield respectively on the surface towards described cavity of described forward and backward ingot mould.
In addition, in the unidirectional solidification device of above-mentioned extra-thick plate blank, preferably be embedded with the cold water pipe that cold water is passed through respectively in the described left and right cooling side wall.
Adopt the unidirectional solidification device of extra-thick plate blank of the present utility model, can obtain following effect:
(1) in casting process, replace covering slag with the protection of blowing, prevented being involved in of covering slag, effectively controlled the content of impurity in the steel ingot, guaranteed that the flaw detection of final products is qualified;
(2) cooling side wall is not provided with plug hole, the temperature of cooling side wall is kept evenly, intensity of cooling improves greatly, help the growth of the plane of symmetry of column crystal horizontal direction, eliminate the even caused dendrite overlap joint of inhomogeneous cooling, formed open texture, guaranteed the density of steel ingot, simultaneously, compare with water-cooled chassis, the manufacture difficulty of cooling side wall and cost all descend significantly;
(3) once-cast can be produced the extra-thick plate blank steel ingot of two unidirectional solidifications simultaneously, and production efficiency is doubled.
(4) the unidirectional solidification device of Chang Gui extra-thick plate blank, its top needs to carry out with heating board and insulation cover heat insulation, and this device utilizes the principle of the plane of symmetry for adiabatic face, has guaranteed the insulation effect of the plane of symmetry better, save the consumption of auxiliary materials such as exothermic material, can save insulation material 30%.
Adopt the unidirectional solidification device of extra-thick plate blank of the present utility model, can reduce the content of impurity, increase substantially the quality of final extra-thick plate blank product, the manufacture difficulty and the cost of cooling side wall have been reduced, production efficiency can double, and can save the consumption of auxilliary materials such as insulation material etc. and exothermic material.
Description of drawings
Fig. 1 is the structure cutaway view of unidirectional solidification device under casting molten steel state of expression extra-thick plate blank of the present utility model
Fig. 2 is the cutaway view of expression along A among Fig. 1-A line.
Fig. 3 is the structural representation of cooling side wall.
Among the figure, 1 is left and right gas hole; 2 is upper and lower, forward and backward heat-insulating shield; 3 are the upright refractory brick of being located in the ingot mould; 4 is left and right cooling side wall; 5 for containing the chassis of making a bet of molten steel passage 6; 7 is L shaped forward and backward ingot mould; 8 are the upright gate spool that is located on the chassis 5 of making a bet, and 8a is the cast passage 8a of gate spool 8, be communicated with the molten steel passage 6 on the chassis 5 of making a bet, and k, k1, k2 are the ingot solidification cavity.
The specific embodiment
Below, with reference to a description of drawings better embodiment of the present utility model.
Fig. 1～shown in Figure 2, the unidirectional solidification device of extra-thick plate blank of the present utility model has: left and right gas hole 1; Upper and lower, forward and backward heat-insulating shield 2; Refractory brick 3; Left and right cooling side wall 4; The chassis 5 of making a bet of containing molten steel passage 6; L shaped forward and backward ingot mould 7; And the upright gate spool 8 that is located on the chassis 5 of making a bet, the cast passage 8a of gate spool 8 is communicated with the molten steel passage 6 on the chassis 5 of making a bet.
Wherein, left and right cooling side wall 4 and L shaped upright respectively being located on the left-right and front-back on the chassis 5 of making a bet of forward and backward ingot mould 7 constitute ingot solidification cavity k.
Here, the left side of Fig. 1 is the left of the unidirectional solidification device of extra-thick plate blank, and the right is unidirectional solidification device right-hand of extra-thick plate blank, and the left side of Fig. 2 is the place ahead of the unidirectional solidification device of extra-thick plate blank, and the right is the rear of the unidirectional solidification device of extra-thick plate blank.
In this cavity k, on the surface on chassis 5 of making a bet, be fitted with heat-insulating shield 2 down, the centre in cavity k, refractory brick 3 upright being located at down on the heat-insulating shield 2 are divided into left cavity k1 and right cavity k2 with ingot solidification with cavity k.
In addition, the upright refractory brick 3 that is located at down on the heat-insulating shield 2 is provided with the last heat-insulating shield 2 parallel with the chassis 5 of making a bet, the two ends, the left and right sides that should go up heat-insulating shield 2 link to each other with left and right cooling side wall 4 and forward and backward ingot mould 7 respectively with the rear and front end, with left cavity k1 and right cavity k2 sealing.
In addition, left and right gas hole 1,1 is located at respectively on the last heat-insulating shield 2 corresponding with left cavity k1 and right cavity k2.
And difference has the left cavity that communicates with left cavity k1 and right cavity k2 respectively molten steel passage 6a and right cavity molten steel passage 6b on the molten steel passage 6 on chassis 5 of making a bet.
In preferred example of the present utility model, the surface towards cavity k that is preferably in L shaped forward and backward ingot mould 7 is fitted with forward and backward heat-insulating shield 2,2 (with reference to Fig. 2) respectively.
In addition, as shown in Figure 3, be embedded with the cold water pipe 4a that cold water is passed through respectively in the best left and right cooling side wall 4.
By making above-mentioned this structure, when with molten steel 9 when gate spool 8 is poured into a mould by cast passage 8a, molten steel 9 just flows into the molten steel passage 6 on the chassis 5 of making a bet, and the left cavity of institute's difference flows in left cavity k1 and the right cavity k2 with molten steel passage 6b with molten steel passage 6a and right cavity from the molten steel passage 6 again.
At this moment, by 1,1 couple of left cavity k1 of left and right sides inflatable mouth and the right cavity k2 protection of blowing, prevent the oxidation of molten steel in the casting process.And, the molten steel that 2 pairs of upper and lower, forward and backward heat-insulating shields are full of in left cavity k1 and the right cavity k2 plays insulation effect, and 4 pairs of molten steel of left and right cooling side wall cool off, make molten steel obtain heat radiation fully to left and right cooling side wall 4 directions, the direction of solidifying of molten steel is gradually to the refractory brick 3 of centre from cooling side wall 4.Thereby, the column crystal direction of growth of molten steel solidification process also is this direction, it is near (this can be removed by the later process) refractory brick 3 that last loose and segregation all concentrates on the plane of symmetry, obtains the steel ingot of the thick unidirectional solidification of even, the flawless spy of composition at last.
Refractory brick (refractory wall) is set on the plane of symmetry of left and right cooling side wall 4, main effect is that to be divided into two spaces with cavity k be left cavity k1 and right cavity k2 to the ingot solidification with the unidirectional solidification device of extra-thick plate blank, and the impurity in the absorption molten steel, can obtain two coagulated ingots (steel ingot) after the unidirectional solidification device dismounting of extra-thick plate blank.
Unidirectional solidification device according to extra-thick plate blank of the present utility model, can reduce the content of impurity, increase substantially the quality of final extra-thick plate blank product, the manufacture difficulty and the cost of cooling side wall have been reduced, production efficiency can double, and can save the consumption of auxilliary materials such as insulation material etc. and exothermic material.
Claims (3)
1. the unidirectional solidification device of an extra-thick plate blank has: ingot mould (7) and heat-insulating shield (2) thereof; Left and right gas hole (1); Refractory brick (3); Cooling wall (4); The chassis of making a bet (5) of containing molten steel passage (6); And the upright gate spool (8) that is located on the described chassis of making a bet, the cast passage (8a) of described gate spool and the described molten steel channel connection on the described chassis of making a bet, it is characterized in that, described cooling wall (4) is upright ingot mould (7) left side of being located at, right cooling side wall, described heat-insulating shield (2) is arranged at described ingot mould (7) up and down, constitute ingot solidification cavity (k), in described cavity, on the surface on the described chassis of making a bet, be fitted with described heat-insulating shield down, centre in described cavity, described refractory brick is upright to be located on the described heat-insulating shield down, described ingot solidification is divided into left cavity (k1) and right cavity (k2) with cavity, the upright described refractory brick that is located on the described heat-insulating shield down is provided with described the go up heat-insulating shield parallel with the described chassis of making a bet, should go up the two ends, the left and right sides of heat-insulating shield and rear and front end respectively with a described left side, right cooling side wall and described before, back ingot mould links to each other, with described left cavity and the sealing of right cavity, a described left side, right gas hole is located at described go up heat-insulating shield on corresponding with described left cavity and right cavity respectively, and difference has the left cavity that communicates with described left cavity and right cavity respectively molten steel passage (6a) and right cavity molten steel passage (6b) on the described molten steel passage on the described chassis of making a bet.
2. the unidirectional solidification device of extra-thick plate blank as claimed in claim 1 is characterized in that, is fitted with described forward and backward heat-insulating shield respectively on the surface towards described cavity of described forward and backward ingot mould.
3. the unidirectional solidification device of extra-thick plate blank as claimed in claim 1 or 2 is characterized in that, is embedded with the cold water pipe (4a) that cold water is passed through in the described left and right cooling side wall respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201532388U CN201267869Y (en) | 2008-09-19 | 2008-09-19 | Unidirectional solidification device of super-thick plate blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201532388U CN201267869Y (en) | 2008-09-19 | 2008-09-19 | Unidirectional solidification device of super-thick plate blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201267869Y true CN201267869Y (en) | 2009-07-08 |
Family
ID=40840447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201532388U Expired - Fee Related CN201267869Y (en) | 2008-09-19 | 2008-09-19 | Unidirectional solidification device of super-thick plate blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201267869Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289683A (en) * | 2014-10-19 | 2015-01-21 | 耒阳市诚松有色金属再生有限公司 | Bismuth ingot forming device |
| CN104493111A (en) * | 2014-12-26 | 2015-04-08 | 南阳师范学院 | Twin integrated half water-cooled steel ingot mold and production method thereof |
| CN107971468A (en) * | 2017-12-29 | 2018-05-01 | 深圳微纳增材技术有限公司 | A kind of crystallizer for being used to refine ingot solidification tissue |
| CN116851668A (en) * | 2023-09-05 | 2023-10-10 | 太原科技大学 | Water cooling device and method for sequential solidification of large-sized flat steel ingot |
-
2008
- 2008-09-19 CN CNU2008201532388U patent/CN201267869Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289683A (en) * | 2014-10-19 | 2015-01-21 | 耒阳市诚松有色金属再生有限公司 | Bismuth ingot forming device |
| CN104493111A (en) * | 2014-12-26 | 2015-04-08 | 南阳师范学院 | Twin integrated half water-cooled steel ingot mold and production method thereof |
| CN107971468A (en) * | 2017-12-29 | 2018-05-01 | 深圳微纳增材技术有限公司 | A kind of crystallizer for being used to refine ingot solidification tissue |
| CN116851668A (en) * | 2023-09-05 | 2023-10-10 | 太原科技大学 | Water cooling device and method for sequential solidification of large-sized flat steel ingot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106180659B (en) | A kind of strand directional solidification and the Combined water chill mould of regional choice cooling | |
| CN101274356B (en) | Dead-melted steel ingot | |
| CN103212674A (en) | Steel plate ingot casting device and method for producing ultra-thick steel plate cast ingot with same | |
| CN201267869Y (en) | Unidirectional solidification device of super-thick plate blank | |
| CN202921873U (en) | Cycle type amorphous mother alloy vacuum sensing melting-casting furnace | |
| CN102161080B (en) | Manufacturing tool of high-compact wide and thick plate blank for wide and thick plate rolling mill and method | |
| CN201342480Y (en) | Inner cooling device for prohibiting macrosegregation of large-sized steel ingot | |
| CN1150070C (en) | Horizontal casting equipment for aluminium alloy flat ingot | |
| CN101406937A (en) | Inner-cooling method for inhibiting gross segregation in large-sized steel ingot | |
| CN102658359A (en) | Casting method for copper and copper alloy cast ingots | |
| CN201157895Y (en) | Special thick slab solidification apparatus | |
| CN2437433Y (en) | Aluminium alloy flat ingot same-level hot top casting device | |
| CN201913204U (en) | Crystallizer, device for producing casting blank, casting blank and casting blank with ultra-large section | |
| CN206455140U (en) | Cooling steel ingot mold | |
| CN102554191B (en) | Aluminum-magnesium alloy composite casting device | |
| CN201807706U (en) | Dual-section type crystallizer for hollow cast ingot | |
| CN108097881A (en) | A kind of efficient sand casting hybrid mold | |
| CN104668521B (en) | Low-pressure casting bath unit | |
| CN103128268B (en) | For the method for low temperature shake out in large extra thick plate blank | |
| CN103567399B (en) | Periodic amorphous mother alloy vacuum induction melting furnace | |
| CN203900407U (en) | Assembling die for casting steel ingots | |
| CN207900146U (en) | A kind of efficient sand casting hybrid mold | |
| CN201249254Y (en) | Rising-hole brick with vortex vanes | |
| CN105170951B (en) | A kind of Bidirectional-squeezing formula heavy slab directional freeze method and its device | |
| CN201940550U (en) | Manufacturing tooling of high density, wide and thick plate blank for wide and heavy plate mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20160919 |