CN101234415A - Dual segment structure steady flow distribution device for thin band continuous casting - Google Patents
Dual segment structure steady flow distribution device for thin band continuous casting Download PDFInfo
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- CN101234415A CN101234415A CNA2008100341227A CN200810034122A CN101234415A CN 101234415 A CN101234415 A CN 101234415A CN A2008100341227 A CNA2008100341227 A CN A2008100341227A CN 200810034122 A CN200810034122 A CN 200810034122A CN 101234415 A CN101234415 A CN 101234415A
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Abstract
The invention relates to a double segment steady-flow delivery device of the strip continuous casting, which belongs to the twin-roll strip continuous casting process technology field. The invention essentially comprises a delivery device 1, a distributor 2 and a steady-flow chamber 8; the delivery device 1 is in the form of upper and lower segments and the upper part of the delivery device is a ladder cavity and the lower part is a ''V''-shaped cavity, the two parts connecting into a whole; the middle part of the upper ladder cavity is provided with a ''U''-shaped steady-flow chamber 8, the side walls of which are provided with a plurality of overflowing holes; the two sides of the bottom of steady-flow chamber 8 is provided with a retaining wall 4 the two middle of which is provided with a row of overflow circular holes respectively; the side walls of the lower end of the ''V''-shaped cavity at the bottom of the delivery device are provided with two rows of circular holes and the two ends are also provided with circular holes. The steel liquid which adopting the lower opening of the distributor 2 flows into the steady-flow chamber 8 firstly and then overflows into the ladder cavity on the top of the delivery device 1 through the overflow holes on the side walls of the two sides, and when being up to a certain height, the steel liquid flows in the ''V''-shaped cavity on the lower part of the delivery device 1 through the overflow holes of the retaining wall 4. Then the steel liquid flows into the melting pools through the circular holes on the two sides and the circular holes on the two ends for the casting and moulding of twin-roll.
Description
Technical field
The present invention relates to a kind of thin strap continuous casting dual segment structure steady flow distribution device of a kind of strip, belong to twin-roll thin strip continuous casting technology field.
Background technology
The twin-roll thin strip continuous casting flow distribution device is in important status in whole strip production, various countries have launched a lot of researchs in this regard, have 6 as United States Patent (USP), 073,680,5,587,514,6,125, disclosed distributors such as 917,6,012,508, it is positioned at the below of tundish, shape such as little tundish.The molten steel that is flowed into by tundish flow in the current distribution device by the discharge orifice of arranging in this distributor.The hanging device that Chinese patent 01276402.7,02283420.6 described current distribution device form is an integral body, the cloth discharge orifice by both sides and two ends reaches the purpose of cloth stream.
The problem that traditional in the past distributor or current distribution device exist mainly is not have suppression or reduce its turbulent flow and the interior arrangement of stream strand impact force action in molten steel flows course of conveying, because cause the molten steel flowing instability, and then cause in the molten bath liquid fluctuating aggravation, molten bath internal temperature inequality influences normal running and strip quality.
Summary of the invention
The object of the present invention is to provide a kind of flow stationarity, no turbulent flow of molten steel that improve not have the flow-stabilizing flow distribution device of stream burst impulsive force influence, molten steel is flowed evenly, uniformity of temperature profile, thus improve the casting quality that approaches steel band.
A kind of thin strap continuous casting dual segment structure steady flow distribution device of the present invention, this device mainly is made up of current distribution device, distributor, plenum chamber; It is characterized in that: current distribution device is a two sections version, and its top is a trapezoidal cavity, and the bottom is one " V " shape cavity, and two parts fuse; Trapezoidal cavity centre position, top is provided with one " " font plenum chamber, has a plurality of spout holes on its both sides side wall, is provided with antispray horizontal inner wing all around at its top; Be provided with barricade on both sides, plenum chamber bottom, the barricade medium position respectively is provided with row's spout hole; The formation step is inwardly stretched out in the barricade bottom; Barricade plays the effect of supporting plenum chamber, plays the overflow shunting action simultaneously; The open end of the straight tube shape distributor that is connected with steel stream bag bottom inserts and is immersed in the molten steel in the plenum chamber; Offer a plurality of circular holes or rectangular opening near the point position of the bottom of current distribution device " V " shape cavity the both sides sidewall; Both ends on its length direction also offer circular hole or trapezoidal hole; In the plenum chamber in the trapezoidal cavity of molten steel elder generation inflow of distributor lower ending opening, flow out through the outside overflow of the spout hole of both sides side wall, enter in the trapezoidal cavity in current distribution device top, molten steel is after this place reaches the certain liquid height, spout hole overflow to the inside by the barricade medium position enters in bottom " V " the shape cavity of current distribution device, circular hole or the circular hole at rectangular opening and two ends or the trapezoidal hole of molten steel in " V " shape cavity by being positioned at both sides, position, nearly pinnacle flows into two and rolls casting crystallization roller and two molten baths that side seal board surrounds, thereby enters conventional casting operation.
Described current distribution device, distributor, plenum chamber, barricade all are to be made by refractory material.
The advantage of dual segment structure steady flow distribution device of the present invention is:
1. by current distribution device, plenum chamber and distributor three's cooperation, simplified the cloth flow structure of thin strap continuous casting.
2. export-oriented overflow and the interior of barricade by plenum chamber can reduce the impact of molten steel to two rollers and side seal board to overflow.
3. can improve the distribution situation of molten steel in the molten bath, avoid and reduce the fluctuation of molten steel liquid level in the molten bath, and can make the molten steel temperature homogenising in the molten bath, thereby guarantee to roll normally carrying out of casting operation, help improving the quality of band steel.
Description of drawings
Fig. 1 is the structural representation of flow-stabilizing flow distribution device of the present invention.
Fig. 2 is the vertical side view of the local device of Fig. 1.
Fig. 3 is a straight pipe type distributor schematic diagram.
The specific embodiment
Embodiment 1: referring to Fig. 1, Fig. 2 and Fig. 3, the thin strap continuous casting of present embodiment mainly is made up of current distribution device 1, distributor 2, plenum chamber 8 with dual segment structure steady flow distribution device; Current distribution device 1 is a two sections version, and its top is a trapezoidal cavity, and the bottom is one " V " shape cavity, and two parts fuse; Trapezoidal cavity centre position, top is provided with one " " font plenum chamber 8, has a plurality of spout holes on its both sides side wall, is provided with antispray horizontal inner wing 3 all around at its top; Be provided with barricade 4 on both sides, plenum chamber 8 bottom, barricade 4 medium positions respectively are provided with row's rectangle spout hole; The formation step is inwardly stretched out in the barricade bottom, forms the outlet that molten steel flows into bottom " V " cavity therebetween; Barricade 4 plays the effect of supporting ﹠ stablizing chamber 8, plays the overflow shunting action simultaneously; The open end of the straight tube shape distributor 2 that is connected with molten steel bag 6 bottoms inserts and is immersed in the molten steel in the plenum chamber 8; Have a plurality of circular holes or rectangular opening near the point position of the bottom of current distribution device 1 " V " shape cavity the both sides sidewall; Along even equidistant symmetric arrangement on the length direction of two side; Two ends on its length direction also offer circular hole or trapezoidal hole; In the plenum chamber 8 in the molten steel elder generation trapezoidal cavity in inflow current distribution device 1 top of distributor 2 lower ending openings, flow out toward the outside overflow of the spout hole of both sides side wall, enter in the trapezoidal cavity in current distribution device top, molten steel is after this place reaches the certain liquid height, spout hole overflow to the inside by barricade 4 medium positions enters in bottom " V " the shape cavity of current distribution device 1, circular hole or the circular hole at rectangular opening and two ends or the trapezoidal hole of molten steel in " V " shape cavity by being positioned at both sides, position, nearly pinnacle flows into two and rolls casting crystallization roller 7 and two molten baths that side seal board surrounds, thereby enters conventional casting operation.
Described current distribution device 1, distributor 2, plenum chamber 8, barricade 4 all are to be made by refractory material.
Can offer on the sidewall of shape cavity both sides, the bottom of current distribution device 1 " V " 5～9 levels or slightly be tilted under circular hole or rectangular opening, decide on the technological requirement condition.
Thin strap continuous casting of the present invention is can effectively prevent the molten steel splash and weaken the beam impact with the maximum characteristics of dual segment structure steady flow distribution device.
Claims (2)
1. thin strap continuous casting dual segment structure steady flow distribution device, this device mainly is made up of current distribution device (1), distributor (2), plenum chamber (8), it is characterized in that: current distribution device (1) is two sections version, its top is a trapezoidal cavity, the bottom is one " V " the die cavity body, two parts fuse; Trapezoidal cavity centre position, top is provided with one " " font plenum chamber (8), has a plurality of spout holes on its both sides side wall, is provided with antispray horizontal inner wing (3) all around at its top; Be provided with barricade (4) on both sides, plenum chamber (8) bottom, barricade (4) medium position respectively is provided with row's spout hole; The formation step is inwardly stretched out in barricade (4) bottom; Barricade (4) plays the effect of supporting plenum chamber (8), plays the overflow shunting action simultaneously; The open end of the straight tube shape distributor (2) that is connected with steel stream bag (6) bottom inserts and is immersed in the interior molten steel of plenum chamber (8); Offer a plurality of circular holes or rectangular opening near the point position of bottom " V " the shape cavity of current distribution device (1) the both sides sidewall; Both ends on its length direction also offer circular hole or trapezoidal hole; Molten steel from distributor (2) lower ending opening flows into earlier in the interior plenum chamber (8) of trapezoidal cavity, flow out through the outside overflow of the spout hole of both sides side wall, enter in the trapezoidal cavity in current distribution device (1) top, molten steel is after this place reaches the certain liquid height, spout hole overflow to the inside by barricade (4) medium position enters in bottom " V " the shape cavity of current distribution device (1), circular hole or the circular hole at rectangular opening and two ends or the trapezoidal hole of molten steel in " V " shape cavity by being positioned at both sides, position, nearly pinnacle flows into two and rolls casting crystallization roller (7) and two molten baths that side seal board surrounds, and operates thereby enter conventional casting.
2. a kind of thin strap continuous casting dual segment structure steady flow distribution device as claimed in claim 1 is characterized in that described current distribution device (1), distributor (2) plenum chamber (8) barricade (4), all is to be made by refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100341227A CN101234415B (en) | 2008-02-29 | 2008-02-29 | Dual segment structure steady flow distribution device for thin band continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100341227A CN101234415B (en) | 2008-02-29 | 2008-02-29 | Dual segment structure steady flow distribution device for thin band continuous casting |
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| Publication Number | Publication Date |
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| CN101234415A true CN101234415A (en) | 2008-08-06 |
| CN101234415B CN101234415B (en) | 2010-06-02 |
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| CN2008100341227A Expired - Fee Related CN101234415B (en) | 2008-02-29 | 2008-02-29 | Dual segment structure steady flow distribution device for thin band continuous casting |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328038A (en) * | 2011-10-18 | 2012-01-25 | 上海大学 | Multi-nozzle flow stabilizing and distributing device for strip continuous casting |
| CN102873289A (en) * | 2012-10-23 | 2013-01-16 | 江苏南瑞淮胜电缆有限公司 | Open type pouring boiler device for aluminum alloy continuous casting and rolling production line |
| CN106756528A (en) * | 2016-11-18 | 2017-05-31 | 东北大学 | A kind of nitrogen medium managese steel strip high and its near-net forming preparation method |
| CN112008054A (en) * | 2020-08-26 | 2020-12-01 | 中冶赛迪工程技术股份有限公司 | High-speed continuous casting and rolling method and system for aluminum alloy thin strip |
| CN114406216A (en) * | 2021-12-30 | 2022-04-29 | 河北敬业高品钢科技有限公司 | Double-roller thin-strip continuous casting flow distributor transition device and construction method thereof |
| CN115106495A (en) * | 2022-06-30 | 2022-09-27 | 中钢设备有限公司 | Thin strip steel continuous casting device |
| CN117086316A (en) * | 2023-10-19 | 2023-11-21 | 季华实验室 | Rotary wheel centrifugal atomization equipment and use method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3007942B2 (en) * | 1992-04-24 | 2000-02-14 | 石川島播磨重工業株式会社 | Metal strip casting method and apparatus |
| CN2526109Y (en) * | 2001-12-29 | 2002-12-18 | 宝山钢铁股份有限公司 | Fluid distributor for continuous casting of thin band |
| CN2582784Y (en) * | 2002-12-19 | 2003-10-29 | 宝山钢铁股份有限公司 | Profiled flow distribution apparatus used for thin belt continuous casting |
-
2008
- 2008-02-29 CN CN2008100341227A patent/CN101234415B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328038A (en) * | 2011-10-18 | 2012-01-25 | 上海大学 | Multi-nozzle flow stabilizing and distributing device for strip continuous casting |
| CN102873289A (en) * | 2012-10-23 | 2013-01-16 | 江苏南瑞淮胜电缆有限公司 | Open type pouring boiler device for aluminum alloy continuous casting and rolling production line |
| CN106756528A (en) * | 2016-11-18 | 2017-05-31 | 东北大学 | A kind of nitrogen medium managese steel strip high and its near-net forming preparation method |
| CN106756528B (en) * | 2016-11-18 | 2018-08-17 | 东北大学 | A kind of high nitrogen medium managese steel strip and its near-net forming preparation method |
| CN112008054A (en) * | 2020-08-26 | 2020-12-01 | 中冶赛迪工程技术股份有限公司 | High-speed continuous casting and rolling method and system for aluminum alloy thin strip |
| CN114406216A (en) * | 2021-12-30 | 2022-04-29 | 河北敬业高品钢科技有限公司 | Double-roller thin-strip continuous casting flow distributor transition device and construction method thereof |
| CN114406216B (en) * | 2021-12-30 | 2024-05-31 | 河北敬业高品钢科技有限公司 | Transition device of double-roller thin-belt continuous casting flow distributor and construction method thereof |
| CN115106495A (en) * | 2022-06-30 | 2022-09-27 | 中钢设备有限公司 | Thin strip steel continuous casting device |
| CN115106495B (en) * | 2022-06-30 | 2023-10-27 | 中钢设备有限公司 | Continuous casting device for thin strip steel |
| CN117086316A (en) * | 2023-10-19 | 2023-11-21 | 季华实验室 | Rotary wheel centrifugal atomization equipment and use method |
| CN117086316B (en) * | 2023-10-19 | 2023-12-15 | 季华实验室 | Rotary wheel centrifugal atomization equipment and use method |
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| Publication number | Publication date |
|---|---|
| CN101234415B (en) | 2010-06-02 |
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Granted publication date: 20100602 Termination date: 20170229 |