CN203316691U - Delayed coagulation type interface structure for cast iron horizontal continuous casting crystallizer and heat preserving furnace - Google Patents
Delayed coagulation type interface structure for cast iron horizontal continuous casting crystallizer and heat preserving furnace Download PDFInfo
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- CN203316691U CN203316691U CN2012206689245U CN201220668924U CN203316691U CN 203316691 U CN203316691 U CN 203316691U CN 2012206689245 U CN2012206689245 U CN 2012206689245U CN 201220668924 U CN201220668924 U CN 201220668924U CN 203316691 U CN203316691 U CN 203316691U
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Abstract
The utility model provides a delayed coagulation type interface structure for a cast iron horizontal continuous casting crystallizer and a heat preserving furnace. A furnace chamber is arranged in the heat preserving furnace; a graphite sleeve is arranged in the crystallizer; the end part, connected with the furnace chamber, of the graphite sleeve is covered with a refractory layer with a horn-shaped opening. The delayed coagulation type interface structure has the advantages as follows: after the adoption of the structure, as the end part of the graphite sleeve is covered with the refractory layer with the horn-shaped opening, and the covered part of the upper edge of the graphite sleeve is wider than that of the lower edge of the graphite sleeve, the lower edge of the graphite sleeve is exposed more than the upper edge of the graphite sleeve, and graphite on the periphery of the inner hole of the graphite sleeve is exposed. Therefore, molten iron can preheat the molten iron entry end part of the graphite sleeve, especially the end part of the lower edge of the graphite sleeve, the molten iron is not likely to be coagulated when entering the entry end of the graphite sleeve, the defects of scaring and cracking of a profile, hairy edges formed on the profile due to scratching of graphite and slag inclusion of the profile are reduced, the section uniformity of the profile is greatly improved, the quality problem of the profile is reduced and the profile yield is increased.
Description
Technical field
The utility model relates to the retardation setting type interface structure of a kind of cast iron horizontal continuous caster crystallizer and holding furnace.
Background technology
At present, in the production practices of cast iron profile material horizontal casting, crystallizer molten iron arrival end and holding furnace joint, generally make graphite cannula and stretch out certain-length, and remainder is made the pass consistent with hole shape in graphite cannula with refractory material and docked assembling with holding furnace.Although this structure can meet need of production, but because the refractory material composition section has hindered the pre-heat effect of molten iron to crystallizer graphite arrival end, make molten iron produce solidifying iron before entering crystallizer graphite cannula die cavity, and bond with refractory material, form convex closure when serious, blocking the molten iron passage, is to produce normally to carry out.The problem that this structure is especially being produced small section and mainly existed: section bar scabs greatly, deeply; The section bar crackle is many; The section bar slag inclusion is many; The crystallizer graphite cannula easily scratches, and section bar hair rib is serious.Cause the section bar poor product quality, the section bar yield rate is lower.
The utility model content
The utility model proposes a kind of cast iron horizontal continuous caster crystallizer and holding furnace retardation setting type interface structure, it has effectively solved refractory material and has hindered the problem of molten iron to the preheating of graphite cannula arrival end, the quality problems of section bar are greatly reduced, and the section bar yield rate promotes greatly.
The technical solution of the utility model is achieved in that the retardation setting type interface structure of a kind of cast iron horizontal continuous caster crystallizer and holding furnace, be provided with burner hearth in described holding furnace, be provided with graphite cannula in described crystallizer, described graphite cannula is coated with the flame retardant coating of horn opening in the end be connected with burner hearth.
As preferably, described flame retardant coating covers the outside, graphite cannula end, and graphite cannula endoporus upper edge graphite area coverage is greater than lower edge graphite area coverage.
As preferably, described crystallizer is connected with wedge by the quick change plate with holding furnace.
As preferably, on described quick change plate, be welded with fixed frame.
As preferably, described flame retardant coating is that the space-filling refractory material surrounded by graphite cannula end, quick change plate, fixed frame forms.
As preferably, described crystallizer comprises forward flange, rear flange and baffle plate, and described forward flange and baffle plate are bolted to connection.
As preferably, described rear flange and quick change plate are bolted to connection.
The beneficial effects of the utility model are: after adopting said structure, owing to being coated with the flame retardant coating of horn opening in the graphite cannula end, and the upper edge cover width is greater than the lower edge cover width, so the graphite cannula that expose graphite cannula lower edge part is more than upper edge, graphite cannula endoporus periphery graphite is exposed.So molten iron can preheating graphite cannula molten iron entrance end, especially end, graphite cannula lower edge, molten iron enters the arrival end of graphite cannula, be difficult for to produce solidifying iron, greatly reduce that section bar scabs, crack defect, greatly reduced and scratched the defect that section bar produces the hair rib because of graphite, greatly reduced the section bar dreg defect, the section material section uniformity significantly promotes, and the quality problems of section bar are greatly reduced, and the section bar yield rate promotes greatly.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment technical scheme, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only that the utility model is in order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The planar structure schematic diagram that Fig. 1 is the utility model embodiment;
The sectional view that Fig. 2 is A-A in Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, a kind of cast iron horizontal continuous caster crystallizer and holding furnace retardation setting type interface structure, be provided with burner hearth 4 in described holding furnace 2, in described crystallizer 1, be provided with graphite cannula 6, described graphite cannula 6 is coated with the flame retardant coating 3 of horn opening in the end be connected with burner hearth 4.Described flame retardant coating 3 covers graphite cannula 6 outsides, end, and graphite cannula 6 endoporus upper edge graphite area coverages are greater than lower edge graphite area coverage, in the present embodiment, described crystallizer 1 is connected by quick change plate 5 use wedges with holding furnace 2, be welded with fixed frame 7 on described quick change plate 5, described flame retardant coating 3 is by graphite cannula 6 ends, quick change plate 5, the space-filling refractory material that fixed frame 7 surrounds generates, described crystallizer 1 comprises forward flange 11, rear flange 12 and baffle plate 13, described forward flange 11 is bolted to connection with baffle plate 13, described rear flange 12 is bolted to connection with quick change plate 5.
This device is mainly used in production, the section bar of small dimension, in use, the forward flange 11 of crystallizer 1 is fixedly connected with baffle plate 13 use bolts, the graphite cannula 6 of producing section bar is fixed in crystallizer 1, the rear flange 12 of crystallizer 1 is connected and is fixed on quick change plate 5 with quick change plate 5 use bolts, then the space formed with refractory material filling fixed frame 7, graphite cannula 6, quick change plate 5 forms flame retardant coating 3, flame retardant coating 3 is evened out, is tamped with fixed frame 7 outerplanars, upper and lower refractory material forms flaring flame retardant coating 3, forms retardation setting type molten iron entrance structure; Then crystallizer 1 is connected and fixed by quick change plate 5 and holding furnace 2 use wedges, holding furnace 2 molten iron outlet sizes and the formed horn mouth die cavity of Fig. 1 size are complementary, and so far, the production set-up procedure finishes.Molten iron is poured holding furnace 2 into from burner hearth 4, and in graphite cannula 6, molten iron, through cooling forming, is drawn from the other end of graphite cannula 6, can realize the continuous casting production of section bar.Owing to being coated with the flame retardant coating 3 of horn opening at graphite cannula 6 molten iron upstream ends, and be greater than the lower edge cover width along hole end surface upper edge cover width in graphite cannula, graphite cannula 6 parts that expose graphite cannula 6 lower edges are more than upper edge, and graphite cannula endoporus periphery graphite is exposed.So molten iron can preheating graphite cannula 6 ends, especially graphite cannula 6 ends, lower edge, molten iron enters the arrival end of graphite cannula 6, be difficult for to produce solidifying iron, greatly reduce that section bar scabs, crack defect, greatly reduced and scratched the defect that section bar produces the hair rib because of graphite, greatly reduced the section bar dreg defect, the section material section uniformity significantly promotes, and the quality problems of section bar are greatly reduced, and the section bar yield rate promotes greatly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a cast iron horizontal continuous caster crystallizer and holding furnace retardation setting type interface structure, be provided with burner hearth in described holding furnace, in described crystallizer, is provided with graphite cannula, and it is characterized in that: described graphite cannula is coated with the flame retardant coating of horn opening in the end be connected with burner hearth.
2. a kind of cast iron horizontal continuous caster crystallizer according to claim 1 and holding furnace retardation setting type interface structure, it is characterized in that: described flame retardant coating covers the outside, graphite cannula end, and graphite cannula endoporus upper edge graphite area coverage is greater than lower edge graphite area coverage.
3. a kind of cast iron horizontal continuous caster crystallizer according to claim 1 and holding furnace retardation setting type interface structure, it is characterized in that: described crystallizer is connected with wedge by the quick change plate with holding furnace.
4. a kind of cast iron horizontal continuous caster crystallizer according to claim 3 and holding furnace retardation setting type interface structure, is characterized in that: on described quick change plate, be welded with fixed frame.
5. a kind of cast iron horizontal continuous caster crystallizer according to claim 1 and holding furnace retardation setting type interface structure, it is characterized in that: described flame retardant coating is that the space-filling refractory material surrounded by graphite cannula end, quick change plate, fixed frame forms.
6. a kind of cast iron horizontal continuous caster crystallizer according to claim 1 and holding furnace retardation setting type interface structure, it is characterized in that: described crystallizer comprises forward flange, rear flange and baffle plate, described forward flange and baffle plate are bolted to connection.
7. a kind of cast iron horizontal continuous caster crystallizer according to claim 6 and holding furnace retardation setting type interface structure, it is characterized in that: described rear flange and quick change plate are bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206689245U CN203316691U (en) | 2012-12-05 | 2012-12-05 | Delayed coagulation type interface structure for cast iron horizontal continuous casting crystallizer and heat preserving furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206689245U CN203316691U (en) | 2012-12-05 | 2012-12-05 | Delayed coagulation type interface structure for cast iron horizontal continuous casting crystallizer and heat preserving furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203316691U true CN203316691U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206689245U Withdrawn - After Issue CN203316691U (en) | 2012-12-05 | 2012-12-05 | Delayed coagulation type interface structure for cast iron horizontal continuous casting crystallizer and heat preserving furnace |
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| CN (1) | CN203316691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990018A (en) * | 2012-12-05 | 2013-03-27 | 陕西华安铸铁型材有限公司 | Slow-condensing interface structure for crystallizer for cast iron horizontal continuous casting and heat preserving furnace |
| CN104325098A (en) * | 2014-10-23 | 2015-02-04 | 陕西华安铸铁型材有限公司 | Cast iron horizontal continuous casting double-water jacket type crystallizer |
-
2012
- 2012-12-05 CN CN2012206689245U patent/CN203316691U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990018A (en) * | 2012-12-05 | 2013-03-27 | 陕西华安铸铁型材有限公司 | Slow-condensing interface structure for crystallizer for cast iron horizontal continuous casting and heat preserving furnace |
| CN102990018B (en) * | 2012-12-05 | 2015-07-08 | 陕西华安铸铁型材有限公司 | Slow-condensing interface structure for crystallizer for cast iron horizontal continuous casting and heat preserving furnace |
| CN104325098A (en) * | 2014-10-23 | 2015-02-04 | 陕西华安铸铁型材有限公司 | Cast iron horizontal continuous casting double-water jacket type crystallizer |
| CN104325098B (en) * | 2014-10-23 | 2017-07-04 | 陕西华安铸铁型材有限公司 | A kind of cast iron horizontal continuous-casting Double-water jacket type crystallizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |