CN201552288U - Unidirectional solidification device of steel ingot - Google Patents
Unidirectional solidification device of steel ingot Download PDFInfo
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- CN201552288U CN201552288U CN2009202088401U CN200920208840U CN201552288U CN 201552288 U CN201552288 U CN 201552288U CN 2009202088401 U CN2009202088401 U CN 2009202088401U CN 200920208840 U CN200920208840 U CN 200920208840U CN 201552288 U CN201552288 U CN 201552288U
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Abstract
The utility model discloses a unidirectional solidification device of steel ingot. The solidification device comprises a lower pouring base plate, a cooling base plate and an ingot mould; a pouring pipe communicated with the interior of the ingot mould is arranged on the lower pouring base plate; a high-insulating and corrosion-resistant insulating layer adopting a multilayer structure is arranged on the inner wall of the ingot mould; bonding caused by corrosion of molten steel is prevented through an outer layer made of heavy insulation plate material coated with a zirconium layer, so that the quality of the steel ingot is guaranteed; the molten steel is prevented from being overburnt through a middle layer made of agalmatolite brick material; and an inner layer made of light insulation plates can improve the insulation performance and is favor of vertical and upward growing of column crystal. Besides, the insulating layer can be mounted conveniently and the molten steel can form a chilling layer rapidly through protrusions at the bottom of the inner wall of the ingot mould, so that the molten steel is effectively prevented from leaking from the gap between the ingot mould and the cooling base plate.
Description
Technical field
The utility model relates to the slab die casting technology, more particularly, relates to a kind of steel ingot unidirectional solidification device.
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 applicable to that production is super-huge, and internal soundness is even, does not have the extra-thick plate blank of loose and segregation.
At present, the manufacture order of industrial use mostly is bottom running to the technology of coagulated ingot.Application number is that the Chinese patent of 93238966.X discloses a kind of steel ingot device for directionally solidifying based on bottom running; this coagulation system injects ingot mould with molten steel by the last orifice on the cooling chassis; by the cooling chassis cooling is forced in the steel ingot bottom; and respectively steel ingot side wall and top are incubated by heat-insulation layer on the ingot mould inwall and covering slag exothermic mixture, column crystal is grown vertically upward.See also shown in Figure 1ly, because at present ingot mould 13 be a monoblock type with its heat-insulation layer 17, and heat-insulation layer 17 is single material making.But, in actual production process, in order to obtain high-quality steel ingot, generally all adopt the high temperature and high speed cast, therefore in casting process, high-temperature steel fails to be convened for lack of a quorum the heat-insulation layer on cooling chassis and ingot mould 13 inwalls 17 is formed the very strong power of washing away, and the heat-insulation layer 17 of single material is very easily by melting loss, be bonded to surface of steel ingot, cause cast once just heat-insulation layer 17 all must be changed; And the heat-insulating property of the heat-insulation layer 17 of single material is unsatisfactory, can't be unfavorable for the growth vertically upward of column crystal; In addition, because ingot mould 13 be a monoblock type with its heat-insulation layer 17, heat-insulation layer 17 bottoms and ingot mould 13 bottoms maintain an equal level, and molten steel herein be because of can't obtaining cooling rapidly, and form bleed-out in ingot mould 13 and the slit of cooling off the chassis easily.
The utility model content
At the above-mentioned shortcoming that exists in the prior art, the purpose of this utility model provides a kind of steel ingot unidirectional solidification device, and this coagulation system not only can improve heat insulation effect, and can reduce heat-insulation layer melting loss degree, and avoids being bonded to surface of steel ingot.
For achieving the above object, the utility model adopts following technical scheme:
This steel ingot unidirectional solidification device comprises the chassis of making a bet, be located at cooling chassis on the chassis of making a bet, be located at the ingot mould on the cooling chassis, make a bet and also be provided with gate spool on the chassis, gate spool is by being located at the cast passage in the chassis of making a bet and being located at the last orifice that cools off in the chassis, be connected with ingot mould inside, described ingot mould inwall is provided with the heat-insulation layer of high thermal insulation, refractory erosion, and heat-insulation layer is a several layers of structure.
Described heat-insulation layer is a three-decker, and outer the intermediate layer is the agalmatolite brick material in order to be coated with zirconium layer heavy heat-insulating shield material, and internal layer is the light heat-insulating plate material.
Described ingot mould inwall bottom is provided with the projection that constitutes " L " type structure with inwall.
Described heat-insulation layer bottom is located on the projection of ingot mould, and innermost layer one side of heat-insulation layer is connected with the ingot mould inwall, and outermost layer and projection one side maintain an equal level.
In technique scheme, steel ingot unidirectional solidification device of the present utility model comprises the chassis of making a bet, cooling chassis, ingot mould, and the chassis of making a bet is provided with gate spool and is connected with ingot mould inside.Described ingot mould inwall is provided with the heat-insulation layer of high thermal insulation, refractory erosion, and heat-insulation layer is a several layers of structure.By being coated with the skin of zirconium layer heavy heat-insulating shield material, can prevent that the molten steel erosion from causing bonding, guarantees ingot quality; By the intermediate layer of agalmatolite brick material, can prevent by the molten steel scaling loss; By the internal layer of light heat-insulating plate, can improve heat-insulating property, help the growth vertically upward of column crystal.In addition,, not only be convenient to the installation of heat-insulation layer, and can make molten steel form chill rapidly, prevent that effectively molten steel from forming bleed-out in the slit on ingot mould and cooling chassis by this projection by the projection of ingot mould inwall bottom.
Description of drawings
Fig. 1 is the structure cutaway view of ingot mould of the prior art;
Fig. 2 is the structure and the user mode cutaway view of steel ingot unidirectional solidification device of the present utility model;
Fig. 3 is the cutaway view of the ingot mould of coagulation system of the present utility model.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also shown in Figure 2, steel ingot unidirectional solidification device 20 of the present utility model is basic identical with prior art, equally also comprise the chassis 21 of making a bet, be located at cooling chassis 22 on the chassis 21 of making a bet, be located at the ingot mould 23 on the cooling chassis 22, make a bet and also be provided with gate spool 24 on the chassis 21, gate spool 24 is by being located at the cast passage 25 in the chassis 21 of making a bet and being located at the last orifice 26 that cools off in the chassis 22, be connected with ingot mould 23 inside, be used for to the ingot mould 23 inner molten steel that inject.Different with it is, these ingot mould 23 inwalls are provided with the heat-insulation layer 27 of high adiabatic, refractory erosion, and heat-insulation layer 27 is a several layers of structure.Please in conjunction with shown in Figure 3, this heat-insulation layer 27 is a three-decker, and outer 271 for being coated with zirconium layer heavy heat-insulating shield material, and intermediate layer 272 is the agalmatolite brick material, and internal layer 273 is the light heat-insulating plate material.The skin 271 that employing is coated with zirconium layer heavy heat-insulating shield material has anti-preferably erosion, directly contacts with molten steel, can prevent that the molten steel erosion from causing bonding, thereby guarantee ingot quality.The intermediate layer 272 of adopting the agalmatolite brick material to build by laying bricks or stones has good refractoriness, can prevent scaling loss.Adopt the internal layer 273 of light heat-insulating plate material, can improve heat-insulating property, whole three layers of heat-insulation layer 27 can improve 50% with heat-insulating property.And bottom ingot mould 23 inwalls, be provided with and constitute with inwall
The projection of type structure, heat-insulation layer 27 bottoms are located on the projection of ingot mould 23, and innermost layer 273 1 sides of heat-insulation layer 27 are connected with ingot mould 23 inwalls, and outermost layer 271 maintains an equal level with projection one side.Adopt this raised structures, not only be convenient to the installation of heat-insulation layer 27, and can make molten steel form chill rapidly, prevent that effectively molten steel from forming bleed-out in the slit on ingot mould 23 and cooling chassis by this projection.
Please consult shown in Figure 2ly again, the operation principle of this coagulation system 20 is as follows:
During cast, the speed of molten steel with 3～8t/min is poured into by gate spool 24, the cast passage 25 in the chassis 21 of making a bet of flowing through, the last orifice 26 through cooling chassis 22 enters in the ingot mould 23 then, lasting 4～10 minutes of the duration of pouring; After cast finishes; molten steel is in ingot mould 23; the bottom is subjected to cooling off the pressure cooling on chassis 222; the top is by covering slag exothermic mixture 28 heat tracings; sidepiece is subjected to the adiabatic heat-insulation of the heat-insulation layer 27 of ingot mould 23, has guaranteed that column crystal grows vertically upward, and the sidepiece bottom directly contacts with the projection of ingot mould 23 and forms chill rapidly; prevent that effectively molten steel from forming bleed-out in the slit on ingot mould 23 and cooling chassis 22, finally can obtain high-quality unidirectional solidification steel ingot.Need to prove that at this in whole casting process, the skin 271 that only is coated with zirconium layer heavy heat-insulating shield material can be needed by scaling loss to change, all the other are two-layer all reusable, thereby can save 2/3 heat-insulating material.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. steel ingot unidirectional solidification device, this coagulation system comprises the chassis of making a bet, be located at cooling chassis on the chassis of making a bet, be located at the ingot mould on the cooling chassis, make a bet and also be provided with gate spool on the chassis, gate spool is by being located at the cast passage in the chassis of making a bet and being located at the last orifice that cools off in the chassis, be connected with ingot mould inside, it is characterized in that:
Described ingot mould inwall is provided with the heat-insulation layer of high thermal insulation, refractory erosion, and heat-insulation layer is a several layers of structure.
2. steel ingot unidirectional solidification device as claimed in claim 1 is characterized in that:
Described heat-insulation layer is a three-decker, and outer the intermediate layer is the agalmatolite brick material in order to be coated with zirconium layer heavy heat-insulating shield material, and internal layer is the light heat-insulating plate material.
3. steel ingot unidirectional solidification device as claimed in claim 1 or 2 is characterized in that:
Described ingot mould inwall bottom is provided with the projection that constitutes " L " type structure with inwall.
4. steel ingot unidirectional solidification device as claimed in claim 3 is characterized in that:
Described heat-insulation layer bottom is located on the projection of ingot mould, and innermost layer one side of heat-insulation layer is connected with the ingot mould inwall, and outermost layer and projection one side maintain an equal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202088401U CN201552288U (en) | 2009-09-17 | 2009-09-17 | Unidirectional solidification device of steel ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202088401U CN201552288U (en) | 2009-09-17 | 2009-09-17 | Unidirectional solidification device of steel ingot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201552288U true CN201552288U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202088401U Expired - Fee Related CN201552288U (en) | 2009-09-17 | 2009-09-17 | Unidirectional solidification device of steel ingot |
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| CN (1) | CN201552288U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430726A (en) * | 2011-12-26 | 2012-05-02 | 昆山全亚冠环保科技有限公司 | Method for increasing yield rate of casting ingots |
| CN104308097A (en) * | 2014-10-17 | 2015-01-28 | 江苏联峰能源装备有限公司 | Novel ingot mold for enhancing quality and increasing utilization ratio of steel ingot |
| CN105033198A (en) * | 2015-06-26 | 2015-11-11 | 北京北冶功能材料有限公司 | Compound casting mould capable of preventing alloy ingots from generating casting shrinkage cavities |
| CN105312514A (en) * | 2015-11-26 | 2016-02-10 | 辽宁科技大学 | Refractory material for steel ingot mold bottom pad and production method thereof |
| CN115213361A (en) * | 2022-07-26 | 2022-10-21 | 王小川 | Pouring directional solidification process |
-
2009
- 2009-09-17 CN CN2009202088401U patent/CN201552288U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430726A (en) * | 2011-12-26 | 2012-05-02 | 昆山全亚冠环保科技有限公司 | Method for increasing yield rate of casting ingots |
| CN104308097A (en) * | 2014-10-17 | 2015-01-28 | 江苏联峰能源装备有限公司 | Novel ingot mold for enhancing quality and increasing utilization ratio of steel ingot |
| CN105033198A (en) * | 2015-06-26 | 2015-11-11 | 北京北冶功能材料有限公司 | Compound casting mould capable of preventing alloy ingots from generating casting shrinkage cavities |
| CN105312514A (en) * | 2015-11-26 | 2016-02-10 | 辽宁科技大学 | Refractory material for steel ingot mold bottom pad and production method thereof |
| CN115213361A (en) * | 2022-07-26 | 2022-10-21 | 王小川 | Pouring directional solidification process |
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| Date | Code | Title | Description |
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| 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: 20100818 Termination date: 20160917 |