CN221134048U - Immersion nozzle with good crack resistance effect - Google Patents
Immersion nozzle with good crack resistance effect Download PDFInfo
- Publication number
- CN221134048U CN221134048U CN202322895812.4U CN202322895812U CN221134048U CN 221134048 U CN221134048 U CN 221134048U CN 202322895812 U CN202322895812 U CN 202322895812U CN 221134048 U CN221134048 U CN 221134048U
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- CN
- China
- Prior art keywords
- crack resistance
- layer
- nozzle
- water gap
- resistant
- 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.)
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- 238000007654 immersion Methods 0.000 title claims description 4
- 230000000694 effects Effects 0.000 title description 4
- 239000002893 slag Substances 0.000 claims abstract description 14
- 239000007769 metal material Substances 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000011226 reinforced ceramic Substances 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 239000002657 fibrous material Substances 0.000 claims abstract description 4
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009991 scouring Methods 0.000 claims description 6
- RWDBMHZWXLUGIB-UHFFFAOYSA-N [C].[Mg] Chemical compound [C].[Mg] RWDBMHZWXLUGIB-UHFFFAOYSA-N 0.000 claims description 5
- 239000003575 carbonaceous material Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000003014 reinforcing effect Effects 0.000 abstract description 12
- 238000009413 insulation Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model discloses a submerged nozzle with good crack resistance, which comprises a nozzle body, wherein a bowl part is arranged at the top of the nozzle body, a slag line part is arranged at the position, close to the bottom end, of the nozzle body, a runner is arranged in the nozzle body, a reinforcing layer is arranged on the inner side of the nozzle body, the reinforcing layer is made of fiber reinforced ceramic or metal materials with tensile property, an insulating layer is arranged on the outermost side of the nozzle body, and the insulating layer is made of ceramic fiber materials with thermal insulation property. According to the utility model, the reinforcing layer and the heat-insulating layer are arranged, and the reinforcing layer made of fiber reinforced ceramic or metal material is arranged on the inner side of the water gap body, so that the water gap body has excellent tensile strength and fatigue resistance, the crack resistance of the water gap body can be effectively enhanced, the heat-insulating layer arranged on the outer side of the water gap body can effectively reduce heat transfer, the thermal expansion of the water gap body is reduced, and the crack resistance of the water gap body is further improved.
Description
Technical Field
The utility model relates to the technical field of submerged entry nozzle, in particular to a submerged entry nozzle with good crack resistance effect.
Background
The submerged nozzle has the main functions of preventing secondary oxidation of pouring flow of the intermediate tank and molten steel splashing, avoiding the casting powder of the crystallizer from being involved in the molten steel, improving the flowing state and heat flow distribution of the pouring flow in the crystallizer, promoting the uniform growth of a billet shell in the crystallizer, and facilitating the removal of gas and impurities in the steel.
The conventional submerged nozzle is easy to crack under the condition of flushing with high-temperature and high-pressure metal liquid, so that the casting is cracked, the product quality is affected, and therefore, the submerged nozzle with good cracking resistance is provided.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a submerged nozzle with good cracking resistance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an anti effectual immersion nozzle that splits, includes the mouth of a river body, mouth of a river body top is provided with bowl portion, mouth of a river body is close to the bottom position and is provided with slag line portion, the inside runner that is provided with of mouth of a river body, mouth of a river body inboard is provided with the enhancement layer, the enhancement layer is made for fiber reinforced ceramics or the metal material that have the pull resistance, the mouth of a river body is provided with the heat preservation in the outside, the heat preservation is made for the ceramic fiber material that has the heat preservation.
Furthermore, the bowl part is in a horn shape with an upward opening, and the bowl part is made of zirconium carbon or magnesium carbon resistant to molten steel scouring.
Further, the inner side of the reinforcing layer is provided with a wear-resistant layer, and the wear-resistant layer is made of a wear-resistant and high-temperature-resistant metal material.
Further, a layer of anti-blocking material is sprayed on the surface of the wear-resistant layer.
Further, the slag line portion is made of a composite zirconium carbon material.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the reinforcing layer and the heat-insulating layer are arranged, and the reinforcing layer made of fiber reinforced ceramic or metal material is arranged on the inner side of the water gap body, so that the water gap body has excellent tensile strength and fatigue resistance, the crack resistance of the water gap body can be effectively enhanced, the heat-insulating layer arranged on the outer side of the water gap body can effectively reduce heat transfer, the thermal expansion of the water gap body is reduced, and the crack resistance of the water gap body is further improved.
2. According to the utility model, the wear-resistant layer, the bowl part and the slag line part are arranged, the wear-resistant layer is favorable for resisting impact abrasion when metal liquid flows, the service life of the nozzle body is prolonged, the bowl part made of zirconium carbon or magnesium carbon is more resistant to molten steel scouring, the flow of the metal liquid is convenient to control better, the slag line part made of composite zirconium carbon material is more resistant to erosion of fluorine-containing covering slag on the nozzle body, and the anti-blocking material on the surface of the wear-resistant layer effectively prevents alumina deposition.
Drawings
FIG. 1 is a schematic cross-sectional view of a submerged nozzle with good crack resistance according to the present utility model;
Fig. 2 is a schematic view of a nozzle body of a submerged nozzle with good crack resistance.
In the figure: 1. a nozzle body; 2. a bowl portion; 3. slag line portion; 4. a flow passage; 5. a reinforcing layer; 6. a heat preservation layer; 7. and a wear-resistant layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 and 2, a submerged nozzle with good crack resistance effect comprises a nozzle body 1, a bowl part 2 is arranged at the top of the nozzle body 1, a slag line part 3 is arranged at the position, close to the bottom end, of the nozzle body 1, a runner 4 is arranged inside the nozzle body 1, a reinforcing layer 5 is arranged at the inner side of the nozzle body 1, and the reinforcing layer 5 is made of fiber reinforced ceramic or metal materials with tensile property, so that the nozzle body 1 has excellent tensile strength and fatigue resistance, the crack resistance of the nozzle body 1 can be effectively enhanced, a heat preservation layer 6 is arranged at the outermost side of the nozzle body 1, the heat preservation layer 6 is made of ceramic fiber materials with heat preservation, heat transfer can be effectively reduced, the thermal expansion quantity of the nozzle body 1 is reduced, and the crack resistance is further improved.
Referring to fig. 1, the present utility model is specifically: the bowl part 2 is in a horn shape with an upward opening, the bowl part 2 is made of zirconium carbon or magnesium carbon resistant to molten steel scouring, is more resistant to molten steel scouring, and is convenient for better controlling the flow of molten metal.
Referring to fig. 2, the present utility model is specifically: the inner side of the reinforcing layer 5 is provided with a wear-resistant layer 7, and the wear-resistant layer 7 is made of a wear-resistant and high-temperature-resistant metal material, so that impact wear during flowing of molten metal is resisted, and the service life of the water gap body 1 is prolonged.
Referring to fig. 2, the present utility model is specifically: the surface of the wear-resistant layer 7 is sprayed with a layer of anti-blocking material, so that alumina deposition is effectively prevented.
Referring to fig. 1, the present utility model is specifically: the slag line part 3 is made of composite zirconium carbon material, and is more resistant to erosion of fluorine-containing covering slag on the nozzle body 1.
Working principle: the reinforcing layer 5 made of fiber reinforced ceramic or metal materials is arranged on the inner side of the water gap body 1, so that the water gap body 1 has excellent tensile strength and fatigue resistance, the anti-cracking capability of the water gap body 1 can be effectively enhanced, the heat transfer can be effectively reduced, the thermal expansion of the water gap body 1 is reduced, the anti-cracking performance of the water gap body is further improved, the wear-resistant layer 7 is beneficial to resisting impact abrasion during metal liquid flowing, the service life of the water gap body 1 is prolonged, the bowl 2 made of zirconium carbon or magnesium carbon is more resistant to molten steel scouring, the flow of metal liquid is convenient to better control, the slag line 3 made of composite zirconium carbon materials is more resistant to erosion of fluorine-containing protective slag on the water gap body 1, and the anti-blocking material on the surface of the wear-resistant layer 7 effectively prevents alumina deposition.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
Claims (5)
1. The utility model provides an anti effectual immersion nozzle that breaks, its characterized in that, including mouth of a river body (1), mouth of a river body (1) top is provided with bowl portion (2), mouth of a river body (1) is close to the bottom position and is provided with slag line portion (3), mouth of a river body (1) inside is provided with runner (4), mouth of a river body (1) inboard is provided with enhancement layer (5), enhancement layer (5) are made for fiber reinforced ceramic or the metallic material that has the pull resistance, mouth of a river body (1) outside is provided with heat preservation (6), heat preservation (6) are made for the ceramic fiber material that has the heat preservation.
2. The submerged nozzle with good crack resistance according to claim 1, wherein the bowl (2) is in a horn shape with an upward opening, and the bowl (2) is made of zirconium carbon or magnesium carbon resistant to molten steel scouring.
3. A submerged entry nozzle with good crack resistance according to claim 1, characterized in that the inner side of the reinforcement layer (5) is provided with a wear-resistant layer (7), the wear-resistant layer (7) being made of a wear-resistant, high temperature-resistant metal material.
4. A submerged entry nozzle with good crack resistance as claimed in claim 3, characterized in that the surface of the wear layer (7) is sprayed with a layer of anti-blocking material.
5. A submerged entry nozzle with good crack resistance as claimed in claim 1, characterized in that the slag line portion (3) is made of a composite zirconium carbon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322895812.4U CN221134048U (en) | 2023-10-27 | 2023-10-27 | Immersion nozzle with good crack resistance effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322895812.4U CN221134048U (en) | 2023-10-27 | 2023-10-27 | Immersion nozzle with good crack resistance effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221134048U true CN221134048U (en) | 2024-06-14 |
Family
ID=91427545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322895812.4U Active CN221134048U (en) | 2023-10-27 | 2023-10-27 | Immersion nozzle with good crack resistance effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221134048U (en) |
-
2023
- 2023-10-27 CN CN202322895812.4U patent/CN221134048U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |