CN201186336Y - Compound casting gas curtain - Google Patents
Compound casting gas curtain Download PDFInfo
- Publication number
- CN201186336Y CN201186336Y CNU2008200048208U CN200820004820U CN201186336Y CN 201186336 Y CN201186336 Y CN 201186336Y CN U2008200048208 U CNU2008200048208 U CN U2008200048208U CN 200820004820 U CN200820004820 U CN 200820004820U CN 201186336 Y CN201186336 Y CN 201186336Y
- Authority
- CN
- China
- Prior art keywords
- air curtain
- ventilative body
- curtain barricade
- barricade wall
- composite casting
- 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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Abstract
The utility model relates to a compound casting gas curtain barricade, which comprises a breathable body (1) and a protective body (2) which wraps the breathable body (1) partially, wherein the breathable surface (5) of the breathable body (1) is exposed outside the protective body (2). The compound casting gas curtain barricade of the utility model is provided with the protective body outside the breathable body, which can effectively improve the whole strength of the compound casting gas curtain barricade and guarantees that the breathable body is not ruptured and broken easily in transportation and installation.
Description
Technical field
The utility model relates to a kind of tundish metallurgy air curtain barricade wall, and the cast air curtain barricade wall is closed in cladding in particularly a kind of continuous casting.
Background technology
The tundish air curtain barricade wall mostly is bar shaped, can blow to tundish, stirs molten steel and wrap interior liquid steel temperature and composition in evenly, eliminates stagnant water, improves the flow field, promotes inclusion floating, thereby effectively carries out tundish metallurgy.In the prior art, the tundish air curtain barricade wall divides by manufacture two kinds usually: machine calm the anger act barricade and cast air curtain barricade wall, wherein the machine act barricade of calming the anger is that forcing press compression moulding is adopted in the raw material back that stirs, but owing to need large-scale high-pressure machine, its cost is higher, one of way that reduces cost now is for adopting the method for lower-cost moulding by casting, promptly adopt the cast air curtain barricade wall, but the air curtain barricade wall that the method for available technology adopting moulding by casting obtains is generally monomer-type stripe shape air curtain barricade wall, that is to say, the cast air curtain barricade wall integral body of prior art is made for same material, its intensity is lower, in transportation, fracture even broken easily during installation.
The utility model content
The purpose of this utility model provides the composite casting that a kind of cost is low, intensity is high air curtain barricade wall.
For solving the problems of the technologies described above; the utility model is achieved through the following technical solutions: a kind of composite casting air curtain barricade wall; comprise that ventilative body and part are wrapped in the external protective of described ventilative basis, the air-permeable surface of described ventilative body is exposed to outside the described protective.
Above-mentioned composite casting air curtain barricade wall forms an air chamber in the described ventilative body, described air chamber is in communication with the outside by tracheae.
Above-mentioned composite casting air curtain barricade wall, the density of described protective is greater than the density of described ventilative body.
Above-mentioned ventilative body forms the slit that is communicated with described air chamber and air-permeable surface.
Above-mentioned ventilative body forms the pore that is communicated with described air chamber and air-permeable surface.
Above-mentioned ventilative body is the diffusion-type gas-permeable channels.
The utlity model has following advantage: (1) composite casting air curtain barricade wall of the present utility model is provided with protective in the outside of ventilative body; can effectively improve the bulk strength of composite casting air curtain barricade wall, guarantee that ventilative body is in transportation, not easy fracture, fragmentation when installing.(2) described protective so its density, has increased its protection effect more greater than the density of described ventilative body, has improved the bulk strength of composite casting air curtain by tightly packed design.(3) the ventilative body of composite casting air curtain barricade wall of the present utility model is made by the corundum castable of top grade, and protective is then formed by the lower high aluminium material cast of price, has reduced cost more.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the cutaway view of composite casting air curtain barricade wall of the present utility model;
Fig. 2 is the vertical view of composite casting air curtain barricade wall of the present utility model.
The specific embodiment
As depicted in figs. 1 and 2, the composite casting air curtain barricade wall of present embodiment comprises that ventilative body 1 and part are wrapped in the protective 2 outside the described ventilative body 1, and the air-permeable surface 5 of described ventilative body 1 is exposed to outside the described protective 2.Form an air chamber 3 in the described ventilative body 1, described air chamber 3 is in communication with the outside by tracheae 4, described ventilative body 1 forms the slit that is communicated with described air chamber 3 and air-permeable surface 5, so that the gas in the described air chamber 3 can blow to molten steel the tundish from described air-permeable surface 5 by described slit during work.Certainly, in other embodiments, what be communicated with described air chamber 3 and air-permeable surface 5 in the described ventilative body 1 can also be pore, and perhaps, described air chamber 3 can also be communicated with described air-permeable surface 5 by the disperse gas-permeable channels.Composite casting air curtain barricade wall in the present embodiment in the outer setting of ventilative body 1 protective 2, can effectively improve the bulk strength of composite casting air curtain, guarantee that ventilative body 1 is in transportation, not easy fracture, fragmentation when installing.
In the present embodiment, described ventilative body 1 is made by the corundum material cast of common usefulness, and described protective 2 is then made by the lower high alumina castable of price, and conservation has reduced cost more.Described ventilative body 1 is a kind of structure that has the disperse pore, and the density of described protective 2 has increased its protection effect more greater than the density of described ventilative body 1, has improved the bulk strength of composite casting air curtain.
Present embodiment composite casting air curtain barricade wall during fabrication, the first moulding body 1 of breathing freely, its process obtains ventilative body 1 again for corundum material is watered the material feeding moulding through high-temperature process; Ventilative body 1 after will making then is fixed in the mould, and pouring into a mould high aluminium material waters material feeding on every side toward ventilative body 1 again, and air dry or oven dry obtain including the comparatively fine and close protective 2 of ventilative body 1.
In addition; can also make the composite casting air curtain barricade wall of present embodiment by the following method: water material feeding (as high aluminium material) cast protective 2 with low grade earlier; highly reach till the lower surface of ventilative body 1; then at the faying face place insertion fixed form of ventilative body 1 with protective 2; add respectively simultaneously again and water material feeding to ventilative body 1 part and protective 2 remainders; should note making ventilative body 1 part and protective 2 parts to water material feeding when reinforced and rise synchronously, finally make the composite casting air curtain barricade wall.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (6)
1, a kind of composite casting air curtain barricade wall is characterized in that: comprise that ventilative body (1) and part are wrapped in the outer protective (2) of described ventilative body (1), the air-permeable surface (5) of described ventilative body (1) is exposed to outside the described protective (2).
2, composite casting air curtain barricade wall according to claim 1 is characterized in that, forms an air chamber (3) in the described ventilative body (1), and described air chamber (3) is in communication with the outside by tracheae (4).
3, composite casting air curtain barricade wall according to claim 1 and 2 is characterized in that, the density of described protective (2) is greater than the density of described ventilative body (1).
4, composite casting air curtain barricade wall according to claim 2 is characterized in that, described ventilative body (1) forms the slit that is communicated with described air chamber (3) and air-permeable surface (5).
5, composite casting air curtain barricade wall according to claim 2 is characterized in that, described ventilative body (1) forms the pore that is communicated with described air chamber (3) and air-permeable surface (5).
6, composite casting air curtain barricade wall according to claim 2 is characterized in that: described ventilative body (1) is the diffusion-type gas-permeable channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200048208U CN201186336Y (en) | 2008-03-14 | 2008-03-14 | Compound casting gas curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200048208U CN201186336Y (en) | 2008-03-14 | 2008-03-14 | Compound casting gas curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201186336Y true CN201186336Y (en) | 2009-01-28 |
Family
ID=40309352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200048208U Expired - Fee Related CN201186336Y (en) | 2008-03-14 | 2008-03-14 | Compound casting gas curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201186336Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602104B (en) * | 2009-04-17 | 2011-06-08 | 陈红良 | Tundish |
-
2008
- 2008-03-14 CN CNU2008200048208U patent/CN201186336Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602104B (en) * | 2009-04-17 | 2011-06-08 | 陈红良 | Tundish |
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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: 20090128 Termination date: 20160314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |