CN213257074U - Regenerative low-carbon corundum spinel impact plate - Google Patents
Regenerative low-carbon corundum spinel impact plate Download PDFInfo
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- CN213257074U CN213257074U CN202022332655.2U CN202022332655U CN213257074U CN 213257074 U CN213257074 U CN 213257074U CN 202022332655 U CN202022332655 U CN 202022332655U CN 213257074 U CN213257074 U CN 213257074U
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- impact
- layer
- plate
- spinel
- outer plate
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 41
- 229910052596 spinel Inorganic materials 0.000 title claims abstract description 38
- 239000011029 spinel Substances 0.000 title claims abstract description 38
- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 31
- 239000010431 corundum Substances 0.000 title claims abstract description 31
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 24
- 230000008929 regeneration Effects 0.000 claims abstract description 20
- 238000011069 regeneration method Methods 0.000 claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- 230000035939 shock Effects 0.000 claims description 32
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 14
- 239000011449 brick Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 239000000395 magnesium oxide Substances 0.000 claims description 9
- 230000003064 anti-oxidating effect Effects 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- -1 aluminum-magnesium-carbon Chemical compound 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 23
- 239000010959 steel Substances 0.000 abstract description 23
- 238000009991 scouring Methods 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 230000003116 impacting effect Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model relates to an strike board technical field, and disclose a regeneration type low carbon corundum spinel impact plate, including strikeing the planking, it is the cuboid to strike the planking, it places to strike the planking level, the terminal surface slope sets up around strikeing. According to the regenerative low-carbon corundum spinel impact plate, the front end face and the rear end face of the impact outer plate are obliquely arranged, so that the flow velocity of molten steel can be reduced, the impact outer plate is more resistant to scouring, the whole body is convenient to fix by arranging the impact stabilizing block, the impact outer plate is effectively prevented from floating upwards, and the use is safer; the refractoriness and high-temperature volume stability of the impact outer plate are improved by arranging the regeneration stabilizing layer, the production cost is reduced, and the effects of resource regeneration and efficient utilization and social environment protection are fully achieved; the oxidation resistance layer is arranged to prevent the oxidation of carbon in the plate, so that the regenerative low-carbon corundum spinel impact plate can adapt to the smelting of various steel varieties, and the quality of the steel varieties is ensured.
Description
Technical Field
The utility model relates to an impingement plate technical field specifically is a regeneration type low carbon corundum spinel impacting plate.
Background
The low-carbon corundum spinel impact plate for the tundish is mainly used for a steel pouring impact area part when the tundish in a steel plant is poured, plays roles of resisting molten steel impact and scouring and protecting the impact part in the tundish, bears the impact of huge heat energy and kinetic energy of large ladle casting flow molten steel when the continuous casting tundish impact plate in the steel making industry works, and determines the safety and the service life of the tundish according to the quality of the impact plate, so that the impact plate is one of key factors influencing the service life of the tundish. At present, the tundish impact plate which is generally adopted in the steel industry has 3 types, namely a magnesia carbon brick, an alumina-magnesia carbon brick and a carbon-free precast block, the carbon-free precast block has a short service life, the production period is long, and the cost performance is not high, the magnesia carbon brick and the alumina-magnesia carbon brick cause certain pollution to molten steel due to large corrosion loss when the molten steel is poured, the magnesia carbon brick and the alumina-magnesia carbon brick are particularly not suitable for smelting high-quality special steel varieties due to high carbon content, and the original tundish low-carbon corundum spinel impact plate has a cuboid structure, is easy to float upwards under the impact of the molten steel, is not resistant to scouring, and has a short service life, so that the invention of a regenerative low-carbon spinel impact plate is urgently needed to meet the market demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a regeneration type low carbon corundum spinel impacting plate to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a regenerative low carbon corundum spinel impacting plate, is including strikeing the planking, it is the cuboid to strike the planking, it places to strike the planking level, the terminal surface slope sets up around strikeing the planking, it has seted up the fixed slot downwards along vertical direction to strike the planking top surface, the fixed slot is inside to be provided with and to strike the stabilizing block, it includes regeneration stable layer, shock resistance, thermal shock stable layer, antioxidation layer and mixed flame retardant coating from inside to outside to strike the planking, regeneration stable layer surface and the inner wall fixed connection of shock resistance, shock resistance surface and thermal shock stable layer inner wall fixed connection, thermal shock stable layer surface and antioxidation layer inner wall fixed connection, antioxidation layer surface and mixed flame retardant coating inner wall fixed connection.
Preferably, the surface of the impact stabilizing block is fixedly connected with the contact position of the inner wall of the fixing groove.
Preferably, the regeneration stabilizing layer is formed by mixing and pressing waste aluminum-magnesium-carbon bricks and waste spinel carbon bricks, and the thickness of the regeneration stabilizing layer is 70 mm.
Preferably, the impact-resistant layer is formed by mixing and pressing high-temperature asphalt powder and phenolic resin, and the thickness of the impact-resistant layer is 80 mm.
Preferably, the thermal shock stable layer is formed by mixing and pressing fused magnesia and alumina micro powder, and the thickness of the thermal shock stable layer is 60 mm.
Preferably, the antioxidation layer is a silicon carbide layer, and the thickness of the antioxidation layer is 30 mm.
Preferably, the mixed refractory layer is a mixed layer of brown corundum and spinel, the brown corundum and spinel are prepared by crushing, pressing and baking, and the thickness of the mixed refractory layer is 120 mm.
Compared with the prior art, the beneficial effects of the utility model are that: according to the regenerative low-carbon corundum spinel impact plate, the front end face and the rear end face of the impact outer plate are obliquely arranged, so that the flow velocity of molten steel can be reduced, the impact outer plate is more resistant to scouring, the whole body is convenient to fix by arranging the impact stabilizing block, the impact outer plate is effectively prevented from floating upwards, and the use is safer; the refractoriness and high-temperature volume stability of the impact outer plate are improved by arranging the regeneration stabilizing layer, the production cost is reduced, and the effects of resource regeneration and efficient utilization and social environment protection are fully achieved; the impact resistant layer formed by mixing and pressing the high-temperature asphalt powder and the phenolic resin is arranged, so that the porosity of the impact outer plate is reduced, and the impact resistance is improved; by arranging the thermal shock stabilizing layer, when the impact outer plate works at high temperature, the fused magnesia inside the impact outer plate reacts with the alumina micro powder to generate in-situ spinel, the expansion coefficient of the impact outer plate is adjusted, and the strength and the thermal shock property of the impact outer plate are further improved; the oxidation resistance layer is arranged to prevent the oxidation of carbon in the plate, so that the regenerative low-carbon corundum spinel impact plate can adapt to the smelting of various steel varieties, and the quality of the steel varieties is ensured; the thermal shock stability and the volume stability of the impact outer plate and the erosion resistance and the permeation resistance of the impact outer plate are improved by arranging the mixed refractory layer.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a sectional view of the left side of the whole structure of the present invention;
FIG. 3 is a cross-sectional view of the bottom end of the impact outer plate structure of the present invention;
fig. 4 is an enlarged view of the area a in fig. 3 according to the present invention.
In the figure: 1 impact outer plate, 2 fixed groove, 3 impact stable block, 4 regeneration stable layer, 5 impact resistant layer, 6 thermal shock stable layer, 7 oxidation resistant layer, 8 mixed fire-resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a regenerative low-carbon corundum spinel impact plate comprises an impact outer plate 1, wherein the impact outer plate 1 is a cuboid, the impact outer plate 1 is horizontally arranged, the front end face and the rear end face of the impact outer plate 1 are obliquely arranged, a fixing groove 2 is formed in the top surface of the impact outer plate 1 downwards along the vertical direction, an impact stabilizing block 3 is arranged in the fixing groove 2, the surface of the impact stabilizing block 3 is fixedly connected with the contact position of the inner wall of the fixing groove 2, the regenerative low-carbon corundum spinel impact plate can slow down the flow rate of molten steel by obliquely arranging the front end face and the rear end face of the impact outer plate 1, so that the impact outer plate 1 is more resistant to scouring, and the whole body is convenient to fix by arranging the impact stabilizing block 3, the upward floating of the impact outer plate 1 is effectively prevented, the use is safer, the impact outer plate 1 comprises a regenerative stabilizing layer 4, an impact resistant layer 5, the surface of a regenerative stable layer 4 is fixedly connected with the inner wall of an anti-impact layer 5, the regenerative stable layer 4 is formed by mixing and pressing waste aluminum-magnesium-carbon bricks and waste spinel-carbon bricks, the thickness of the regenerative stable layer 4 is 70mm, the refractoriness and high-temperature volume stability of an impact outer plate 1 are improved by arranging the regenerative stable layer 4, the production cost is reduced, the effects of resource regeneration and high-efficiency utilization and social environment protection are fully achieved, the surface of the anti-impact layer 5 is fixedly connected with the inner wall of a thermal shock stable layer 6, the anti-impact layer 5 is formed by mixing and pressing high-temperature asphalt powder and phenolic resin, the thickness of the anti-impact layer 5 is 80mm, the porosity of the impact outer plate 1 is reduced by arranging the anti-impact layer 5 formed by mixing and pressing high-temperature asphalt powder and phenolic resin, the impact resistance is improved, the surface of the thermal shock stable layer 6 is fixedly connected with the inner wall of an anti-oxidation, the thickness of the thermal shock resistant layer 6 is 60mm, and by arranging the thermal shock resistant layer 6, when the thermal shock resistant layer works at high temperature, the fused magnesia inside reacts with the alumina micro powder to generate in-situ spinel, the expansion coefficient of the impact outer plate 1 is adjusted, the strength and the thermal shock property of the impact outer plate 1 are further improved, the oxidation resistant layer 7 is a silicon carbide layer, the thickness of the oxidation resistant layer 7 is 30mm, the oxidation resistance layer 7 is arranged to prevent the oxidation of carbon in the board, so that the regenerative low-carbon corundum spinel impact board can adapt to the smelting of various steel varieties and ensure the quality of the steel varieties, the surface of the oxidation resistance layer 7 is fixedly connected with the inner wall of the mixed flame retardant coating 8, the mixed flame retardant coating 8 is a mixed layer of brown corundum and spinel, the brown corundum and the spinel are manufactured by crushing, pressing and baking, the thickness of the mixed flame retardant coating 8 is 120mm, the thermal shock stability and the volume stability of the impact outer plate 1 and the erosion resistance and the permeation resistance of the impact outer plate 1 are improved by arranging the mixed refractory layer 8.
When the device is used, the flow velocity of molten steel is slowed down by impacting the inclined surface of the outer plate 1, the impact on the non-front surface of the outer plate 1 is realized, the impact outer plate 1 is more resistant to scouring, fused magnesia and alumina micropowder inside the thermal shock stabilizing layer 6 are reacted to generate in-situ spinel through an external high-temperature environment, the expansion coefficient of the impact outer plate 1 is adjusted, the strength and the thermal shock property of the impact outer plate 1 are further improved, the oxidation of carbon in the impact outer plate 1 is prevented through the oxidation resistant layer 7 made of silicon carbide, and the regenerated low-carbon corundum spinel impact plate is guaranteed to meet the requirement of smelting high-grade special steel.
In summary, the following results can be obtained: according to the regenerative low-carbon corundum spinel impact plate, the front end face and the rear end face of the impact outer plate 1 are obliquely arranged, so that the flow velocity of molten steel can be reduced, the impact outer plate 1 is more resistant to scouring, the whole body is convenient to fix by arranging the impact stabilizing block 3, the impact outer plate 1 is effectively prevented from floating upwards, and the use is safer; the refractoriness and high-temperature volume stability of the impact outer plate 1 are improved by arranging the regeneration stabilizing layer 4, the production cost is reduced, and the effects of resource regeneration and efficient utilization and social environment protection are fully achieved; the impact resistant layer 5 formed by mixing and pressing high-temperature asphalt powder and phenolic resin is arranged to reduce the porosity of the impact outer plate 1 and improve the impact resistance; by arranging the thermal shock stabilizing layer 6, when the high-temperature working is carried out, the fused magnesia inside the high-temperature working reacts with the alumina micro powder to generate in-situ spinel, the expansion coefficient of the impact outer plate 1 is adjusted, and the strength and the thermal shock property of the impact outer plate 1 are further improved; the oxidation resistance layer 7 is arranged to prevent the oxidation of carbon in the plate, so that the regenerative low-carbon corundum spinel impact plate can adapt to the smelting of various steel varieties, and the quality of the steel varieties is ensured; the thermal shock stability and the volume stability of the impact outer plate 1 and the erosion resistance and the permeation resistance of the impact outer plate 1 are improved by arranging the mixed refractory layer 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a regeneration type low carbon corundum spinel impact plate, includes and strikes planking (1), its characterized in that: the impact outer plate (1) is a cuboid, the impact outer plate (1) is horizontally placed, the front end surface and the rear end surface of the impact outer plate (1) are obliquely arranged, the top surface of the impact outer plate (1) is downwards provided with a fixing groove (2) along the vertical direction, the impact stabilizing block (3) is arranged in the fixing groove (2), the impact outer plate (1) comprises a regeneration stabilizing layer (4), an impact resistant layer (5), a thermal shock stabilizing layer (6), an oxidation resistant layer (7) and a mixed refractory layer (8) from inside to outside, the surface of the regeneration stabilizing layer (4) is fixedly connected with the inner wall of the shock resistant layer (5), the surface of the impact resistant layer (5) is fixedly connected with the inner wall of the thermal shock stable layer (6), the surface of the thermal shock stable layer (6) is fixedly connected with the inner wall of the oxidation resistant layer (7), the surface of the oxidation resistant layer (7) is fixedly connected with the inner wall of the mixed refractory layer (8).
2. The regenerative low carbon corundum spinel impact plate of claim 1, wherein: the surface of the impact stabilizing block (3) is fixedly connected with the contact position of the inner wall of the fixing groove (2).
3. The regenerative low carbon corundum spinel impact plate of claim 1, wherein: the regeneration stabilizing layer (4) is formed by mixing and pressing waste aluminum-magnesium-carbon bricks and waste spinel carbon bricks, and the thickness of the regeneration stabilizing layer (4) is 70 mm.
4. The regenerative low carbon corundum spinel impact plate of claim 1, wherein: the shock-resistant layer (5) is formed by mixing and pressing high-temperature asphalt powder and phenolic resin, and the thickness of the shock-resistant layer (5) is 80 mm.
5. The regenerative low carbon corundum spinel impact plate of claim 1, wherein: the thermal shock stable layer (6) is formed by mixing and pressing fused magnesia and alumina micro powder, and the thickness of the thermal shock stable layer (6) is 60 mm.
6. The regenerative low carbon corundum spinel impact plate of claim 1, wherein: the anti-oxidation layer (7) is a silicon carbide layer, and the thickness of the anti-oxidation layer (7) is 30 mm.
7. The regenerative low carbon corundum spinel impact plate of claim 1, wherein: the mixed fire-resistant layer (8) is a mixed layer of brown corundum and spinel, the brown corundum and the spinel are prepared by crushing, pressing and baking, and the thickness of the mixed fire-resistant layer (8) is 120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332655.2U CN213257074U (en) | 2020-10-19 | 2020-10-19 | Regenerative low-carbon corundum spinel impact plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332655.2U CN213257074U (en) | 2020-10-19 | 2020-10-19 | Regenerative low-carbon corundum spinel impact plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213257074U true CN213257074U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022332655.2U Expired - Fee Related CN213257074U (en) | 2020-10-19 | 2020-10-19 | Regenerative low-carbon corundum spinel impact plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213257074U (en) |
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2020
- 2020-10-19 CN CN202022332655.2U patent/CN213257074U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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