CN2346526Y - Electrothermal side sealing device of double roller continuous caster - Google Patents
Electrothermal side sealing device of double roller continuous caster Download PDFInfo
- Publication number
- CN2346526Y CN2346526Y CN 98229485 CN98229485U CN2346526Y CN 2346526 Y CN2346526 Y CN 2346526Y CN 98229485 CN98229485 CN 98229485 CN 98229485 U CN98229485 U CN 98229485U CN 2346526 Y CN2346526 Y CN 2346526Y
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- CN
- China
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- side sealing
- sealing plate
- resistance heater
- side seal
- electric heating
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- Expired - Fee Related
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Abstract
The utility model discloses an electrothermal side sealing device of a double-roller continuous casting machine, which comprises a side sealing plate (1) and an elastic bearing (2). The utility model is characterized in that a regulating bolt (5) is arranged on a spring board (6) of the elastic bearing (2), the elastic bearing (2) is connected with a resistance heater (4) fixed on the supporting board (8), and the resistance heater (4) is pressed tightly on the side sealing plate (1). In the utility model, a spring in the elastic bearing is used for compensating the abrasion value in time, so that the side sealing plate and the side surface of a water cooled roller are pressed and sealed all the time; the high temperature of the side sealing plate is maintained by the resistance heater, and the cool steel coagulation of the 'triple points' area is effectively prevented; the side sealing plate is composed of boron nitride and refractory material, so the side sealing plate can not be adhered with molten steel to guarantee the quality of the steel billet. The utility model has the characteristics of corrosion resistance of the molten steel and long service life.
Description
The utility model belongs to field of metal casting technology, particularly a kind of lateral seal that is used for the continuous casting molten bath.
In metallurgical industry, often adopt continuous casting process to make the shaping of iron and steel.Molten steel is entering the molten bath through tundish in the continuous casting, is rolled into steel billet through water cooled rolls, for making not bleed-out liquid of water cooled rolls, and its side installation side shrouding of being everlasting.When the water cooled rolls end face of side seal board and rotation compresses sealing, require side seal board to keep high temperature and have anti-molten steel erosiveness strong and with the molten steel adhesion, otherwise, in the freezing point of side seal board with band steel billet side, especially cold steel is easily tied in " triple point " district (intersection point of side seal board, roller and molten steel), with making rolling band steel billet side " wolf's fang ", " dovetail " occur or being interrupted " beans knurl " phenomenon, causes the roll fluctuation, the band billet surface is cracked, cause waste product.For making rolling working properly the carrying out of continuous casting, adopt vitreous silica to make insulation material at present, the anti-molten steel erosiveness of this material is low, this method makes side seal board constantly be subjected to the erosion of molten steel, its working life reduces greatly, adopt side seal board to move down gradually in the practice, contact the unfavorable suitability for industrialized production of using of this method with molten steel with the new plate face that keeps side seal board with the carrying out of continuous-casting of steel billet; The mode that adopts the side seal board high frequency to start can reduce the cold steel that condenses, and prolonged the service life of side seal board, but its complex structure, maintenance difficult.
The purpose of this utility model provides a kind of continuous casting electric heating lateral seal.It makes side seal board and rotation water cooled rolls end face compress sealing, is heated by resistive, and keeps high temperature, the strong characteristics of anti-molten steel erosiveness when making side seal board work.
For reaching above-mentioned purpose, the utility model comprises side seal board, elastic support, it is characterized in that having the elastic support of regulating bolt and links to each other with resistance heater, and resistance heater is pressed on the side seal board, and elastic support is fixed on the frame by push action cylinder.
The rectangular frame that resistance heater is made up of insulation board, heat-conducting plate.Be inserted with electric heating piece in the resistance heater, electric heating piece and heat-conducting plate are close to.
Side seal board is made with boron nitride and refractory material.
Regulating bolt is arranged on the elastic support.
The utility model utilizes the spring in the elastic support, in time compensates abrasion loss, makes side seal board and water cooled rolls side compress sealing all the time; Be heated by resistive device and make side seal board keep high temperature, can prevent the cold steel of " triple point " district knot effectively; Side seal board is made up of boron nitride and refractory material, make its not with the characteristics of molten steel adhesion, to guarantee the quality of band steel billet, side seal board and molten steel contact-making surface boron nitride have anti-molten steel erosion, the characteristics in the service life of prolongation side seal board simultaneously.
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the structural representation of the utility model double-roller continuous casting machine electric heating lateral seal.
Fig. 2 is the structural representation of the resistance heater of the utility model double-roller continuous casting machine electric heating lateral seal.
1 is side seal board among the figure, and 2 is elastic support, and 3 is push action cylinder, and 4 is resistance heater, and 5 for regulating bolt, and 6 is latch plate, and 7 is insulation board, and 8 is heat-conducting plate, and 9 is electric heating piece.
The push action cylinder 3 that is connected with the electric heating lateral seal is installed on frame.The electric heating lateral seal is regulated bolt 5 by spring fastening 2, and resistance heater 4 constitutes.Regulate bolt 5 and be arranged on the latch plate 6 of spring fastening 2, be used to regulate the contact stress and the relative position of side seal board 1 and water cooled rolls end face.Elastic support 2 is linked to each other with resistance heater 4, the heat-conducting plate 8 in the resistance heater 4 is pressed on the side seal board 1.Regulate the pressure of push action cylinder 3, can regulate the sealing load of 1 pair of water cooled rolls of side seal board, with the rotation of water cooled rolls, elastic support 2 compresses under the effect of spring or extends, at any time compensate abrasion loss, make side seal board 1 press the end face of water cooled rolls all the time, steady to guarantee roll; Insert electric heating piece 9 in the resistance heater 4, make it be close to heat-conducting plate 8, heat-conducting plate 8 is close to side seal board 1, electric heating piece 9 energisings, heat is passed to heat-conducting plate 9,, make high-temperature molten steel be difficult for condensing into the condensation steel to keep the high temperature (above 1200 ℃) of side seal board 1, guarantee the quality of band steel billet, make side seal board 1 and molten steel adhesion.
The insulation board 7 of electric heater 4 links to each other with spring fastening, makes it not charged.
Push action cylinder 3 links to each other with the hydraulic pressure oscillator, makes the high frequency oscillation of device, makes molten steel and side seal board adhesion.
Claims (4)
1. double-roller continuous casting machine electric heating lateral seal, comprise side seal board (1), elastic support (2), the latch plate (6) that it is characterized in that elastic support (2) is provided with adjusting bolt (5), elastic support (2) links to each other with the resistance heater that is fixed on gripper shoe (8) (4), and resistance heater (4) is pressed on the side seal board (1).
2. double-roller continuous casting machine electric heating lateral seal according to claim 1 is characterized in that the rectangular frame that resistance heater (4) is made up of insulation board (8), heat-conducting plate (9).
3. double-roller continuous casting machine electric heating lateral seal according to claim 3 is characterized in that being inserted with in the resistance heater (4) electric heating piece (10), and electric heating piece (10) is close to heat-conducting plate (9).
4. double-roller continuous casting machine electric heating lateral seal according to claim 1 is characterized in that side seal board (1) makes with boron nitride and refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229485 CN2346526Y (en) | 1998-09-09 | 1998-09-09 | Electrothermal side sealing device of double roller continuous caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229485 CN2346526Y (en) | 1998-09-09 | 1998-09-09 | Electrothermal side sealing device of double roller continuous caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2346526Y true CN2346526Y (en) | 1999-11-03 |
Family
ID=33979371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98229485 Expired - Fee Related CN2346526Y (en) | 1998-09-09 | 1998-09-09 | Electrothermal side sealing device of double roller continuous caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2346526Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564761B (en) * | 2008-04-25 | 2011-05-11 | 宝山钢铁股份有限公司 | Method for heating meniscus of twin roll thin strip casting pool |
| CN107755652A (en) * | 2017-09-01 | 2018-03-06 | 燕山大学 | A kind of non-crystaline amorphous metal twin-belt caster and its continuous casing |
-
1998
- 1998-09-09 CN CN 98229485 patent/CN2346526Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564761B (en) * | 2008-04-25 | 2011-05-11 | 宝山钢铁股份有限公司 | Method for heating meniscus of twin roll thin strip casting pool |
| CN107755652A (en) * | 2017-09-01 | 2018-03-06 | 燕山大学 | A kind of non-crystaline amorphous metal twin-belt caster and its continuous casing |
| CN107755652B (en) * | 2017-09-01 | 2019-09-10 | 燕山大学 | A kind of amorphous alloy twin-belt caster and its continuous casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |