CN204434642U - Explosion-proof process unit poured into a mould by large cast steel slag ladle - Google Patents
Explosion-proof process unit poured into a mould by large cast steel slag ladle Download PDFInfo
- Publication number
- CN204434642U CN204434642U CN201420831982.4U CN201420831982U CN204434642U CN 204434642 U CN204434642 U CN 204434642U CN 201420831982 U CN201420831982 U CN 201420831982U CN 204434642 U CN204434642 U CN 204434642U
- Authority
- CN
- China
- Prior art keywords
- fan cover
- slag ladle
- annular fan
- base
- mould
- 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
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a kind of large cast steel slag ladle and pour into a mould explosion-proof process unit, comprise base, base one sidepiece arranges gas blower, the air outlet tube of gas blower extends in the middle part of base, the top of air outlet tube arranges an annular fan cover, and on the periphery wall of annular fan cover, uniform interval arranges production well, and the aperture of production well is 5mm, the height of annular fan cover is 50cm, and annular fan cover is positioned at above the slag ladle arbor cavity above base.There is " blast " accident when the utility model can prevent cast steel slag basin from pouring into a mould, guarantee to produce and normally carry out.
Description
Technical field
The utility model relates to a kind of large cast steel slag ladle and pours into a mould explosion-proof process unit.
Background technology
In plant produced practice process, when the large cast steel slag ladle of cast more than 20 tons, due to processing requirement, be cavity structure in the middle of arbor.Simultaneously, for ensureing three kinds of contractions such as " liquid contraction, solidification shrinkage, Solid State Contraction " that slag ladle successively occurs after being cast, be not vulnerable to mechanical resistance and crack, technique places the straw bag layer of thickness at 30mm-40mm at arbor outside surface and core layer internal surface, along with the rising of molding sand temperature, after straw bag is carbonized, form certain yielding layer, ensure that three kinds of contractions of slag ladle are not obstructed.But, because straw bag is in carbonization process, and containing gas chromatography in molding sand, a certain amount of CO(coal gas can be produced in the cavity in the middle of arbor), and a small amount of other inflammable gas, water vapor, and the air existed before cast together form mixed gas.After being cast, the empty cavity temperature due to arbor progressively raises and reaches stagnation point mixed gas: 610 ~ 650 DEG C, the ratio of CO and air reaches 46 ~ 62% air, during 54 ~ 38% coal gas, the finite space " blast " will occur in the cavity of arbor.Be commonly called as " blowing out " at casting industry.Time " blast ", because gas percussion power is very large, causes sandbox to shake, not only there is very large potential safety hazard, when molten steel does not solidify completely, hurt sb.'s feelings because molten steel splashes.And the sandbox that slag ladle can be caused to cast in frock and figure shakes, and slag ladle is not when solidifying completely, and physical strength is low, and therefore, slag ladle cracks because of the effect of shaking force, and slag ladle even can be scrapped because of crackle.
Summary of the invention
The purpose of this utility model is to provide a kind of large cast steel slag ladle to pour into a mould explosion-proof process unit, when can prevent cast steel slag basin from pouring into a mould, " blast " accident occurs, and guarantees to produce and normally carries out.
The purpose of this utility model realizes like this, explosion-proof process unit poured into a mould by a kind of large cast steel slag ladle, comprise base, base one sidepiece arranges gas blower, and the air outlet tube of gas blower extends in the middle part of base, and the top of air outlet tube arranges an annular fan cover, on the periphery wall of annular fan cover, uniform interval arranges production well, the aperture of production well is 5mm, and the height of annular fan cover is 50cm, and annular fan cover is positioned at above the slag ladle arbor cavity above base.
Before slag ladle cast, continue to blast normal temperature air in the cavity of arbor, both can reduce the gas content of mixed gas, the temperature of mixed gas can be reduced again, the condition that " blast " occurs is just destroyed, can avoid " blowing out " event, the generation of even security incident, quality accident.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is main TV structure schematic diagram of the present utility model.
Embodiment
Explosion-proof process unit poured into a mould by a kind of large cast steel slag ladle, as shown in Figure 1, comprise base 3, base 3 one sidepiece arranges gas blower 1, and the air outlet tube 2 of gas blower 1 extends in the middle part of base, and the top of air outlet tube arranges an annular fan cover 5, on the periphery wall of annular fan cover 5, uniform interval arranges production well, the aperture of production well is 5mm, and the height of annular fan cover is 50cm, and annular fan cover is positioned at above slag ladle arbor 4 cavity above base.
Claims (1)
1. explosion-proof process unit poured into a mould by a large cast steel slag ladle, comprise base, it is characterized in that: base one sidepiece arranges gas blower, the air outlet tube of gas blower extends in the middle part of base, the top of air outlet tube arranges an annular fan cover, and on the periphery wall of annular fan cover, uniform interval arranges production well, and the aperture of production well is 5mm, the height of annular fan cover is 50cm, and annular fan cover is positioned at above the slag ladle arbor cavity above base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831982.4U CN204434642U (en) | 2014-12-25 | 2014-12-25 | Explosion-proof process unit poured into a mould by large cast steel slag ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831982.4U CN204434642U (en) | 2014-12-25 | 2014-12-25 | Explosion-proof process unit poured into a mould by large cast steel slag ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204434642U true CN204434642U (en) | 2015-07-01 |
Family
ID=53602536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420831982.4U Expired - Fee Related CN204434642U (en) | 2014-12-25 | 2014-12-25 | Explosion-proof process unit poured into a mould by large cast steel slag ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204434642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897922A (en) * | 2019-03-26 | 2019-06-18 | 武钢集团襄阳重型装备材料有限公司 | A kind of large-scale metallurgical slag ladle |
-
2014
- 2014-12-25 CN CN201420831982.4U patent/CN204434642U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897922A (en) * | 2019-03-26 | 2019-06-18 | 武钢集团襄阳重型装备材料有限公司 | A kind of large-scale metallurgical slag ladle |
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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 |
Granted publication date: 20150701 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |