CN102836884A - Protection shield of hot rolling machine - Google Patents
Protection shield of hot rolling machine Download PDFInfo
- Publication number
- CN102836884A CN102836884A CN2011103249991A CN201110324999A CN102836884A CN 102836884 A CN102836884 A CN 102836884A CN 2011103249991 A CN2011103249991 A CN 2011103249991A CN 201110324999 A CN201110324999 A CN 201110324999A CN 102836884 A CN102836884 A CN 102836884A
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- Prior art keywords
- layer
- thickness
- hot
- framework
- thermal insulating
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- 238000005098 hot rolling Methods 0.000 title claims abstract description 17
- 230000003064 anti-oxidating Effects 0.000 claims description 16
- 210000003491 Skin Anatomy 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention aims to provide a protection shield of a hot rolling machine. The protection shield is characterized in that the protection shield of the holt rolling machine is in the shape of a reversed groove, and comprises four parts, namely, a heat reflecting layer serving as the inner layer, a high-temperature-resisting and heat-insulating layer serving as the middle layer, and a high-temperature-resisting and oxidizing-preventing layer serving as the external layer; and groove-shaped frames are arranged among the external layer, the middle layer and the internal layer.
Description
Technical field
The present invention relates to hot-rolling mill structural design and applied technical field, a kind of hot-rolling mill guard shield is provided especially.
Background technology
The sheet alloy of large-size special substance is all the more extensive in the application in fields such as aviation, usually, realizes that nearly ausrolling is a sheet alloy processing key technology.In addition, even adopt ripe jacket sandwich rolling technology, in the blank transmission course, still have great amount of heat and lose through radiation and convection current.Therefore, the anti-cooling protection measure that need in the sheet alloy operation of rolling, take the initiative is to realize better effect.
Summary of the invention
The object of the present invention is to provide a kind of hot-rolling mill guard shield that in the sheet alloy operation of rolling, can initiatively carry out cooling protection; According to the critical technological point of large scale alloy rolling, the hot-rolling mill guard shield is installed on the hot-rolling mill transporting rail, can make sheet alloy in course of hot rolling; Rolled piece and surrounding air are isolated; Blank temperature is maintained on the hot rolling window temperature, improve the blank temperature field distribution, thereby realize the breakthrough of the nearly ausrolling key technology of large scale sheet alloy.
The present invention specifically provides a kind of hot-rolling mill guard shield, and its integral body is inverted groove shapes, is made up of four parts: heat energy reflecting layer 1, thermal insulating warm-keeping layer 2, anti-oxidation protection layer 4; Framework 3 is wherein: heat energy reflecting layer 1, thermal insulating warm-keeping layer 2, anti-oxidation protection layer 4 this three layer by layer the shape structure arrange successively from inside to outside; Framework 3 specifically is arranged between intermediate layer and skin and intermediate layer and the internal layer; Wherein internal layer is a thermal conductivity factor less than 0.05W/m.K, the anti-material coating of high temperature more than 1000 ℃; The heat-insulating material that hot-fluid is had hindrance function is adopted in the intermediate layer; Outer adopt the anti-antioxidizing paint or the coating of high temperature more than 1000 ℃, the groove shapes framework adopts the anti-heat resisting steel of hot environment more than 1000 ℃; It is characterized in that: the thickness in said reflecting layer 1 is greater than 250-400 μ m, and the thickness of thermal insulating warm-keeping layer 2 is 20-28mm, and the thickness of anti-oxidation protection layer 4 is 5-12mm, and framework 3 is specially the structural member of inverted groove shapes.
The thickness in said reflecting layer 1 is greater than 320-350 μ m, and the thickness of thermal insulating warm-keeping layer 2 is 25-27mm, and the thickness of anti-oxidation protection layer 4 is 5-6mm; Effect is optimum.
Heat energy reflecting layer 1 specifically is Al
2O
3Ceramic coating or sial fiber coat, thermal insulating warm-keeping layer 2 specifically are fire-resistant cotton of graphite or high alumina ceramic cellucotton, and anti-oxidation protection layer 4 specifically is high temperature resistant anti-oxidation graphite paint or nichrome coating.
Framework 3 adopts Cr28Ni48W5Si2 Nai Gaore steel or SUS310 stainless refractory steel.
In practical application, the width of the framework 3 of groove shapes and used milling train guide rail size require to coincide.The present invention can guarantee that equipment of hot rolling reliablely and stablely carries out work in the course of the work.It is good to have heat insulation effect, easy to operate, energy-conservation, and outstanding advantage such as reduce cost.
Description of drawings
Fig. 1 is the structural representation of hot-rolling mill guard shield.
The specific embodiment
Embodiment 1
A kind of hot-rolling mill guard shield, its integral body are inverted groove shapes, are made up of four parts: heat energy reflecting layer 1, thermal insulating warm-keeping layer 2, anti-oxidation protection layer 4; Framework 3 is wherein: heat energy reflecting layer 1, thermal insulating warm-keeping layer 2, anti-oxidation protection layer 4 this three layer by layer the shape structure arrange successively from inside to outside; Framework 3 specifically is arranged between intermediate layer and skin and intermediate layer and the internal layer; Wherein internal layer is a thermal conductivity factor less than 0.05W/m.K, the anti-material coating of high temperature more than 1000 ℃; The heat-insulating material that hot-fluid is had hindrance function is adopted in the intermediate layer; Outer adopt the anti-antioxidizing paint or the coating of high temperature more than 1000 ℃, the groove shapes framework adopts the anti-heat resisting steel of hot environment more than 1000 ℃;
The thickness in said reflecting layer 1 is greater than 250-400 μ m, and the thickness of thermal insulating warm-keeping layer 2 is 20-28mm, and the thickness of anti-oxidation protection layer 4 is 5-12mm, and framework 3 is specially the structural member of inverted groove shapes.
The thickness in said reflecting layer 1 is greater than 320-350 μ m, and the thickness of thermal insulating warm-keeping layer 2 is 25-27mm, and the thickness of anti-oxidation protection layer 4 is 5-6mm; Effect is optimum.
Heat energy reflecting layer 1 specifically is Al
2O
3Ceramic coating or sial fiber coat, thermal insulating warm-keeping layer 2 specifically are fire-resistant cotton of graphite or high alumina ceramic cellucotton, and anti-oxidation protection layer 4 specifically is high temperature resistant anti-oxidation graphite paint or nichrome coating.
Framework 3 adopts Cr28Ni48W5Si2 Nai Gaore steel or SUS310 stainless refractory steel.
In practical application, the width of the framework 3 of groove shapes and used milling train guide rail size require to coincide.Present embodiment can guarantee that equipment of hot rolling reliablely and stablely carries out work in the course of the work.It is good to have heat insulation effect, easy to operate, energy-conservation, and outstanding advantage such as reduce cost.
Claims (2)
1. hot-rolling mill guard shield, its integral body is inverted groove shapes, is made up of four parts: heat energy reflecting layer (1), thermal insulating warm-keeping layer (2), anti-oxidation protection layer (4); Framework (3) is wherein: heat energy reflecting layer (1), thermal insulating warm-keeping layer (2), anti-oxidation protection layer (4) this three layer by layer the shape structure arrange successively from inside to outside; Framework (3) specifically is arranged between intermediate layer and skin and intermediate layer and the internal layer; It is characterized in that: the thickness of said reflecting layer (1) is greater than 250-400 μ m, and the thickness of thermal insulating warm-keeping layer (2) is 20-28mm, and the thickness of anti-oxidation protection layer (4) is 5-12mm, and framework (3) is specially the structural member of inverted groove shapes.
2. according to the said hot-rolling mill guard shield of claim 1, it is characterized in that: the thickness of said reflecting layer (1) is greater than 320-350 μ m, and the thickness of thermal insulating warm-keeping layer (2) is 25-27mm, and the thickness of anti-oxidation protection layer (4) is 5-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103249991A CN102836884A (en) | 2011-10-24 | 2011-10-24 | Protection shield of hot rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103249991A CN102836884A (en) | 2011-10-24 | 2011-10-24 | Protection shield of hot rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102836884A true CN102836884A (en) | 2012-12-26 |
Family
ID=47364760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103249991A Pending CN102836884A (en) | 2011-10-24 | 2011-10-24 | Protection shield of hot rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102836884A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715305A (en) * | 2016-09-16 | 2019-05-03 | Sms集团有限公司 | Moveable insulation trolley in intermetallic composite coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924511A (en) * | 1982-08-03 | 1984-02-08 | Kawasaki Steel Corp | Cooling method of material to be rolled |
| JPH0871628A (en) * | 1994-09-02 | 1996-03-19 | Nippon Steel Corp | Method for preventing generation of ear waving of steel plate |
| CN2803549Y (en) * | 2005-04-05 | 2006-08-09 | 鞍山市润辉冶金设备制造有限公司 | Thermal insulation cover on transferring roller way of continuous casting and rolling set for hot rolled strips |
| CN200984586Y (en) * | 2006-11-22 | 2007-12-05 | 山西太钢不锈钢股份有限公司 | High-grade silicon iron on-line heating insulated cabinet |
| CN201235370Y (en) * | 2008-07-22 | 2009-05-13 | 天津天重中直科技工程有限公司 | Thermal insulation cover on rolled steel product line furnace delivery table |
| CN202290769U (en) * | 2011-10-24 | 2012-07-04 | 南通天华和睿科技创业有限公司 | Protective cover for hot mill |
-
2011
- 2011-10-24 CN CN2011103249991A patent/CN102836884A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924511A (en) * | 1982-08-03 | 1984-02-08 | Kawasaki Steel Corp | Cooling method of material to be rolled |
| JPH0871628A (en) * | 1994-09-02 | 1996-03-19 | Nippon Steel Corp | Method for preventing generation of ear waving of steel plate |
| CN2803549Y (en) * | 2005-04-05 | 2006-08-09 | 鞍山市润辉冶金设备制造有限公司 | Thermal insulation cover on transferring roller way of continuous casting and rolling set for hot rolled strips |
| CN200984586Y (en) * | 2006-11-22 | 2007-12-05 | 山西太钢不锈钢股份有限公司 | High-grade silicon iron on-line heating insulated cabinet |
| CN201235370Y (en) * | 2008-07-22 | 2009-05-13 | 天津天重中直科技工程有限公司 | Thermal insulation cover on rolled steel product line furnace delivery table |
| CN202290769U (en) * | 2011-10-24 | 2012-07-04 | 南通天华和睿科技创业有限公司 | Protective cover for hot mill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715305A (en) * | 2016-09-16 | 2019-05-03 | Sms集团有限公司 | Moveable insulation trolley in intermetallic composite coating |
| CN109715305B (en) * | 2016-09-16 | 2021-04-06 | Sms集团有限公司 | Movable heat-insulating trolley in metal processing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |