CN102107211B - Three-roller casting and rolling machine with feed nozzle doubling as crystallizer - Google Patents
Three-roller casting and rolling machine with feed nozzle doubling as crystallizer Download PDFInfo
- Publication number
- CN102107211B CN102107211B CN200910244091.2A CN200910244091A CN102107211B CN 102107211 B CN102107211 B CN 102107211B CN 200910244091 A CN200910244091 A CN 200910244091A CN 102107211 B CN102107211 B CN 102107211B
- Authority
- CN
- China
- Prior art keywords
- roll
- casting
- roller
- feed mouth
- crystallizer
- 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.)
- Active
Links
Images
Abstract
The invention discloses a three-roller casting and rolling machine with a feed nozzle doubling as a crystallizer. In the three-roller casting and rolling machine, a heat exchanger is arranged in the feed nozzle to pre-cool aluminum melt, so that the aluminum melt is in a solid-liquid state before entering casting and rolling rollers; and the defects of limited length and cooling strength of a casting and rolling region of a double-roller casting and rolling machine are completely overcome and the cooling effect of the casting and rolling machine is greatly improved in combination with a water mist cooling device on the outlet side of the rolling rollers. The three-roller casting and rolling machine is provided with an upper supporting roller, a middle rolling roller and a lower casting roller which are arranged from top to bottom, wherein the middle roller has a diameter which is one quarter to three quarters of the diameter of the lower roller and has a roller bending function; on-line shape control can be performed to improve plate shape accuracy; an upper nozzle plate on the feed nozzle is a movable nozzle plate, so that the feed nozzle is closed all the time during on-line adjustment of a roller gap, molten aluminum is prevented from being oxidized before entering the rolling rollers, and the product quality is improved; and by the machine, the defects of narrow product material range, high plate hardness, poor deep drawability, more pinholes, more edge cracks, easiness of strip breakage during foil rolling, low yield, low dimensional accuracy of the plate and the like existing in the prior art can be more effectively overcome.
Description
Technical field
The present invention relates to a kind of three-roll casting-rolling mill of producing metal slabs, more particularly, relate to a kind of improved twin-roll cast-rolling mill roll casting conditions by molten metal, the hold concurrently three-roll casting-rolling mill of crystallizer of the feed mouth that especially aluminium and molten aluminium alloy are produced slab continuously.
Background technology
Existing widely used pair of roller aluminum slab casting and rolling machine has two kinds of forms, and a kind of Casting Roller center line that is U.S. Hunter engineering company in 1962 proposes becomes the tilting casting and rolling machine of 15 ° of angles with horizontal line, see accompanying drawing 1; Another kind is the two roller horizontal casting and rolling machines of 3C (the Continuos Caster Between Cylinders) method of French Si Kaer (Scal) company development, sees accompanying drawing 2.
It is mainly to complete in the casting district between two Casting Rollers that casting and rolling machine is produced slab, the length in casting district is relevant with Casting Roller diameter, casting mode and process conditions etc., but Casting Roller diameter plays a major role, increase roll, strengthened film-cooled heat, and then can improve roll casting speed and increase thickness of slab, but be subject to the restriction of Casting Roller diameter and limited this inherent feature of intensity of cooling, casting thickness is greater than the aluminium alloy that 12mm, the solid-liquid two phase line temperature difference are greater than 45 ℃, and strand speed to be greater than 1.5m/min be very difficult.
The product thickness of at present two roller strip continuous casting & rolling lines is at 5～12mm, roll casting speed is at 0.8～1.5m/min, comparing with hot rolling technology, also there is the product of production in casting-rolling technology: material ranges is narrow, sheet material hardness high (compared with hot rolling plate hight approximately 20%), deep drawing quality is bad, pin hole is many, limit portion crackle is many, the paper tinsel defect such as easy broken belt, output and board dimension precision be low while rolling.
Chinese patent is day on August 13rd, 2008 openly, publication number CN101239358A has announced a kind of " double-roller rolling one continuous hot rolling method and equipment ", its core is: on the basis of twin-roll cast-rolling mill, provide a kind of roll that enlarges markedly, improve the method for intensity of cooling, it is by designing a kind of eccentric reducing twin-roll cast-rolling mill, and the mechanism that coordinates lip inclination angle to regulate arbitrarily in the scope of 0 °～± 19 ° realizes.On casting and rolling machine, roller diameter is less than lower roller diameter, has certain offset between upper and lower roll.Eccentric reducing Casting Roller coordinates corresponding lip inclination angle, a kind of increase casting region length is provided, and the method for minimizing contact in rolling increasing degree, the method can be produced thicker cast-rolled block, it is for existing twin-roll cast-rolling mill cooled region length and the limited defect of intensity of cooling, the improvement of making, it can strengthen 1.8～4.0 times by the roll of existing casting and rolling machine, roll gap strengthens 1.5～2.5 times, roll casting speed improves 1.5～3.0 times, make strand continuously hot rolling in the scope of 301 ℃～510 ℃, and comprehensive process amount is controlled between 40～85%, thereby improve significantly slab: output, dimensional accuracy, mechanical performance, and expand product scope.
The invention of double-roller rolling one continuous hot rolling method and equipment, has improved the intensity of cooling of casting and rolling machine, improved roll casting conditions, but its roll gap and plate shape cannot be reconciled online.The slab thickness of producing, production capacity and alloy kind still do not reach the level of continuous casting and continuous rolling mill, more cannot compare with hot-rolling mill.
For solving the online problem of reconciling of twin-roll cast-rolling mill roll gap, Chinese patent is day on February 11st, 2009 openly, publication number CN101362150A has announced a kind of " can regulate arbitrarily the twin-roll cast-rolling mill of roll gap ", it adopts a pair of novel Casting Roller and feed mouth, join with proportional servo depress oil cylinder roll gap is carried out to on-line control, it can regulate on a large scale roll gap in the casting of aluminium and aluminum alloy slab is produced.It is characterized by: top roll is shorter than lower roll, semi open model feed mouth, roll gap can be by depress oil cylinder adjusting arbitrarily in the scope of 0.01～50mm.Semi open model feed mouth mainly consists of feed mouth body, lower mouth plate, upper mouth plate, two side plates and a pull bar etc., and lower mouth plate is fixed on feed mouth body, and one end of side plate is fixed on feed mouth body, and the other end is connected with pull bar.Upper mouth plate can be a mainboard, also can add an above plate of paying by a mainboard and form, and mainboard is fixed or is placed on feed mouth body, pays plate and is placed on side plate.Under feed mouth, the front end face of mouth plate contacts with lower roll surface, and upper mouth front edge of board face and upper roll surface have certain gap, and gap value is adjustable.The lower camber side of side plate contacts with lower roll surface, front end medial surface and top roll contacts side surfaces, and the pull bar by an adjustable side plate width between two side plates connects.During production, the metal bath surface of feed mouth inside can not have the lower roll surface of top roll, thereby had strengthened the film-cooled heat of casting and rolling machine, had improved intensity of cooling, and then had improved roll casting speed, increased output.
Can regulate arbitrarily the twin-roll cast-rolling mill of roll gap, realized the on-line control of roll gap, made the dynamic optimization between the main power energy parameter such as thickness of slab and roll-force, roll torque, mill speed become possibility, thereby improved output, reduce energy consumption, and improved thickness and the plate shape precision of product.
Owing to can regulating arbitrarily the twin-roll cast-rolling mill invention of roll gap to adopt semi open model feed mouth, increase aluminium liquid and entered the probability being oxidized before Casting Roller, affected product quality, moreover the roller footpath of twin-roll cast-rolling mill is larger, the online crooked difficulty of roll is large, weak effect, and the strand transverse plate shape precision of production is lower.
Summary of the invention
The object of the invention is on the basis of twin-roll cast-rolling mill, CN101239358A and two inventions of CN101362150A, further increase casting region length and intensity of cooling, provide a kind of remarkable improvement rolling condition, the feed mouth of producing aluminium and the aluminum alloy slab three-roll casting-rolling mill of crystallizer of holding concurrently.Use the present invention more effectively to solve prior art existing: product material narrow range, sheet material hardness is high, deep drawing quality is bad, pin hole is many, limit portion crackle is many, the paper tinsel defects such as easy broken belt, output and board dimension precision be low while rolling.
In order to solve the problems of the technologies described above, the present invention has provided the hold concurrently three-roll casting-rolling mill of crystallizer of a kind of feed mouth, mainly comprises: roll, roll bearing box, frame, depress oil cylinder, front case, feed Zui, lubricating rollers mechanism and main drive.Described milling train is the hold concurrently three-roll casting-rolling mill of crystallizer of feed mouth, has three rolls that are arranged above and below, and top roll is backing roll, and intermediate calender rolls and lower roll are Casting Rollers.
Backing roll inside has heat exchange structure, and the heat exchange structure of backing roll is by processing more than one slotted hole or open hot-mounted roll sleeve on fluted roller core on surface and realize in roll inside.
Intermediate calender rolls inside has heat exchange structure, and the heat exchange structure of intermediate calender rolls is by processing more than one slotted hole or open hot-mounted roll sleeve on fluted roller core on surface and realize in roll inside.Intermediate calender rolls is with a set of bend roller mechanism of battery, and bend roller mechanism of battery is formed or formed by being arranged on the projection of framework window inner side and the oil cylinder in projection by the oil cylinder being arranged on bearing housing.Intermediate calender rolls diameter is 1/4～3/4 of lower roller diameter, and intermediate calender rolls is short compared with lower roll, and its length is to make different sizes by the width specifications of slab.Between intermediate calender rolls and up-down rollers, be eccentric, its eccentricity value is between 0～± 120mm.Intermediate calender rolls is non-driving.
Roll outlet side is with a set of rack-mounted water mist cooling apparatus, and water mist cooling apparatus has upper and lower two spray beam, and upper spray beam is arranged between top roll and intermediate calender rolls, and lower spray beam is arranged near lower roll.
The hold concurrently feed mouth of three-roll casting-rolling mill of crystallizer of described feed mouth comprises: the upper connecting rod of feed mouth body, lower mouth plate, upper mouth plate, two side plates and a connecting lateral plate, between two side plates, be also connected with a lower link, between two side plates, be connected with the upper and lower pull bar of adjustable side plate width, regulate the nut of upper and lower pull bar both sides, can make side plate width consistent with the roll surface width of intermediate calender rolls; Described feed mouth body is provided with heat exchanger, and described heat exchanger has steam and cooling water switching mechanism.
Described upper mouth plate is provided with movable nozzle plate, movable nozzle Ban You spring feed mechanism and portable plate form, during production the front end cambered surface of portable plate under the effect of spring all the time with intermediate calender rolls roll surface close contact, the inwall of the sidewall of portable plate and two side plates keeps moving matching relationship, and, portable plate below with upper mouth plate also keep moving matching relationship above.
The invention provides the hold concurrently three-roll casting-rolling mill of crystallizer of a kind of feed mouth, heat exchanger in production in feed mouth can make aluminium liquid form solid-liquid two phases, enter the roll gap between intermediate calender rolls and lower roll, through the further crystallisation by cooling of roller, become slab, and under the effect of roll, produce certain distortion, meanwhile, intermediate calender rolls bend roller mechanism of battery also can carry out on-line control to the plate shape of strand.The present invention, under the double action of feed mouth heat exchanger and Casting Roller crystallizer, has thoroughly changed existing twin-roll cast-rolling mill cooled region length and the limited defect of intensity of cooling.Use the present invention more effectively to solve prior art existing: product material narrow range, sheet material hardness is high, deep drawing quality is bad, pin hole is many, limit portion crackle is many, the paper tinsel defects such as easy broken belt, output and board dimension precision be low while rolling.
Accompanying drawing explanation
Accompanying drawing 1 is the tilting twin-roll cast-rolling mill schematic diagram of U.S. Hunter (Hunter) company design;
Accompanying drawing 2 is horizontal twin-roll cast-rolling mill schematic diagrames of French Si Kaer (Scal) company development;
Accompanying drawing 3 is hold concurrently three-roll casting-rolling mill schematic diagrames of crystallizer of feed mouth of the present invention;
Accompanying drawing 4 is top views of Fig. 3;
Accompanying drawing 5 is hold concurrently structural representations of three-roll casting-rolling mill of crystallizer of lip feed mouth in the present invention;
Accompanying drawing 6 is hold concurrently structural representations of three-roll casting-rolling mill of crystallizer of lip feed mouth under the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
Accompanying drawing 3 and accompanying drawing 5 be hold concurrently schematic diagrames of three-roll casting-rolling mill of crystallizer of feed mouth of the present invention, and it is mainly by formations such as front case (1), lower roll (8), lower atomized water spray beam (9), pinch roll (10), lubricating rollers mechanism (11), upper atomized water spray beam (12), intermediate calender rolls (13), top backing up roll (14), depress oil cylinder (15), frame (21), bend roller mechanism of battery (22), feed mouth device (23), rolling line adjusting devices (24).
In the invention of accompanying drawing 3 and accompanying drawing 5, provided the hold concurrently three-roll casting-rolling mill of crystallizer of a kind of upper lip feed mouth, it has three rolls that are arranged above and below, and top roll is backing roll, and backing roll inside has heat exchange structure.The heat exchange structure of backing roll is by the roll more than one slotted hole of inner processing or open on surface and be set with roller shell on fluted roller core and realize.Intermediate calender rolls and lower roll are Casting Rollers.Intermediate calender rolls diameter is 1/4～3/4 of lower roller diameter, and optimum value is between 2/5～3/5mm, and intermediate calender rolls is short compared with lower roll, and its length can be made different sizes by the width specifications of slab, and intermediate calender rolls is compared with at least short 20mm in the every limit of lower roll, preferably short 30～50mm.Intermediate calender rolls inside has heat exchange structure, and the heat exchange structure of intermediate calender rolls is by processing more than one slotted hole or open hot-mounted roll sleeve on fluted roller core on surface and realize in roll inside, and intermediate calender rolls be take non-driving hollow-core construction as good.Intermediate calender rolls is with a set of bend roller mechanism of battery, bend roller mechanism of battery is formed or is formed by being arranged on the projection of framework window inner side and the oil cylinder in projection by the oil cylinder being arranged on bearing housing, oil cylinder can apply bending roller force to the above and below of middle roller bearing box respectively, makes intermediate calender rolls produce negative curved or just curved effect.Between intermediate calender rolls and up-down rollers, be eccentric, its eccentricity value is between 0～+ 120mm, and optimum value is between+60～+ 100mm.Lower roll consists of roller core and roller shell, and roller core surface has groove, and roller shell hot charging is on roller core.
In the invention of accompanying drawing 3 and accompanying drawing 5, roll outlet side is with a set of rack-mounted water mist cooling apparatus, water mist cooling apparatus has upper and lower two spray beam, upper spray beam is arranged between top roll and intermediate calender rolls, with atomized water spray at roll gap around for well, lower spray beam is arranged near lower roll, and position is as the criterion not affect roll change.
In the invention of accompanying drawing 3 and accompanying drawing 5, feed mouth device (22) mainly comprises: feed mouth body (2), feed mouth heat exchanger (3), current stabilization piece (4), lower mouth plate (5), lower link (6), side plate (7), portable plate (16), feeding spring (17), guide blot (18), upper connecting rod (19), upper mouth plate (20).
Feed mouth body is placed on feed mouth device, and can move forward and backward along the guide groove of feed mouth device, after adjust the position between feed mouth and Casting Roller, just may be locked on feed mouth device, regulate the elevating mechanism of feed mouth device one end in the scope of 0 °～+ 19 °, to change the inclination angle of feed mouth simultaneously, thereby obtain desirable casting angle.
In feed mouth body, be provided with a heat exchanger, heat exchanger is long flat tube shape, and by copper or tungsten/copper-alloy integrated processing, inside has more than one heat exchange hole, its one end is fixed on the inwall of feed mouth body, and the other end supports or is fixed on another inwall of feed mouth body.Heat exchanger has steam and cooling water switching mechanism, and switching mechanism can guarantee that under any circumstance heat exchanger does not form enclosed cavity.Under feed mouth, mouth plate, upper mouth plate and two side plates are manufactured by copper or copper alloy, be connected on feed mouth body, and upper and lower mouth plate also links together with side plate respectively, between two side plates, be connected with the upper and lower pull bar of adjustable feed mouth (side plate) width.
In the invention of accompanying drawing 3, upper mouth plate is provided with movable nozzle plate, movable nozzle plate mainly consists of spring feed mechanism and portable plate, and portable plate rear end has two guide grooves, the guide blot that respectively has two front and back to arrange in guide groove, guide blot is connected on mouth plate, can make portable plate slide along guide blot.Between the front end of portable plate guide groove and front guide blot, be provided with feeding spring, the nose circle cambered surface of portable plate is contacted with intermediate calender rolls roll surface all the time, and, the inwall of the sidewall of portable plate and two side plates keeps moving matching relationship, above the bottom surface of portable plate and upper mouth plate, also keep moving matching relationship, portable plate is manufactured by copper or copper alloy.
In the invention of accompanying drawing 6, having provided the hold concurrently three-roll casting-rolling mill of crystallizer of a kind of lower lip feed mouth, is eccentric between intermediate calender rolls and up-down rollers, and its eccentricity value is between 0～-120mm, and optimum value is between-60～-100mm.In the invention of accompanying drawing 6, the elevating mechanism of feed mouth device one end can change the inclination angle of feed mouth in the scope of 0 °～-19 °.
In the preferred embodiment shown in accompanying drawing 3 and accompanying drawing 5, the hold concurrently three-roll casting-rolling mill of crystallizer of the feed mouth of φ 380 * 1520/ φ 850 * 1600mm specifications of take is example;
Before production: roll is set in to 190mm left and right, feed mouth Inclination maneuver is between+6 °～+ 12 °, roll gap is controlled at 14mm left and right (being less than pre-production thickness of slab value 1～2mm), the whole cambered surface of lower mouth front edge of board contacts with lower roll roll surface, the nose circle cambered surface of portable plate contacts with intermediate calender rolls roll surface, the lower camber side of side plate front end contacts with lower roll roll surface, front end medial surface and intermediate calender rolls contacts side surfaces, upper cambered surface and the intermediate calender rolls side of side plate front end are overlapping, lap is 25～35mm, in adjusting, the nut of lower link both sides, make feed mouth (side plate) width consistent with intermediate calender rolls roll surface width, front case bottom surface height is controlled at and is greater than between height of rolling line 20～40mm.Start casting and rolling machine and make each roll low speed rotation 10～15 minutes, check feed mouth and lower roll,
The situation of each contact site of intermediate calender rolls, and adjusted, meanwhile, baking chute also passes into steam by the intrinsic heat exchanger of feed mouth.Confirm that each smelting technology completes, the metallic aluminium in static stove or aluminium alloy melt temperature remain on 710 ℃～720 ℃, Casting Roller cooling water pressure between 0.3～0.5MPa, temperature is less than 28 ℃, flow should be at 120m
3/ h left and right, casting and rolling machine roll surface speed is adjusted to 2.0m/min left and right.
During production: gradually the steam valve of heat exchanger in feed mouth body is closed to (while forbidding steam, cooling water valve to be closed, heat exchanger forms enclosed cavity simultaneously), front case melt liquid level height is controlled between 80～140mm, temperature is controlled between 680 ℃～710 ℃, feed mouth liquid level should not have the lower roll surface of intermediate calender rolls, and the degree of depth not having equals front case melt liquid level height and subtracts 1/2 gap values between rollers.After above-mentioned technological parameter is adjusted, casting and rolling machine enters the riser stage, when solid plate erects, roll casting speed is transferred to 2.5m/min left and right gradually, gradually the cooling water valve of heat exchanger in feed mouth body is opened subsequently, and further roll casting speed is transferred to gradually about 3.0m/min, the water mist cooling apparatus of roll outlet side is put into operation simultaneously, through one period of stabilization time, will produce qualified roll casting sheet, cut underproof wrench, aluminium sheet is sent to coiling machine, and is rolled into coiled material.
The present invention is at twin-roll cast-rolling mill, on the basis of CN101239358A and two inventions of CN101362150A, the hold concurrently three-roll casting-rolling mill of crystallizer of a kind of feed mouth of invention, it has significantly improved the rolling condition of casting and rolling machine, casting region length and the intensity of cooling of Casting Roller have further been increased, and by the heat exchanger arranging in feed mouth, molten metal is carried out to precooling, the molten metal that makes to enter before roll crystallizer is solid-liquid two phases, water mist cooling apparatus in conjunction with roll outlet side, thoroughly changed the restriction of Casting Roller diameter (roll) and limited this inherent shortcoming of intensity of cooling, improved greatly the cooling effect of casting and rolling machine, and then improved output, expanded product scope.The present invention has three rolls that are arranged above and below, intermediate calender rolls diameter is 1/4～3/4 of lower roller diameter, this is more favourable to increasing length minimizing contact in rolling, casting region increasing degree, and the roll in identical casting (making) roller diameter situation is significantly improved.Three rolls that are arranged above and below, intermediate calender rolls diameter reduces greatly, movable nozzle plate is set for pressure fluctuation with on semi open model feed mouth to be become closed feed mouth and becomes possibility, thereby realized the plate shape On-line Control of cast-rolled block, improved the plate shape precision of cast-rolled block, closed feed mouth of while has overcome aluminium liquid and has entered the problem being oxidized before Casting Roller, has improved product quality.
The present invention is under the double action of feed mouth heat exchanger and Casting Roller crystallizer, existing twin-roll cast-rolling mill cooled region length and the limited defect of intensity of cooling have thoroughly been changed, and, three rolls that are arranged above and below, intermediate calender rolls roller function is provided, realize the plate shape On-line Control of cast-rolled block, improved the plate shape precision of cast-rolled block.Use the present invention more effectively to solve prior art existing: product material narrow range, sheet material hardness is high, deep drawing quality is bad, pin hole is many, limit portion crackle is many, the paper tinsel defects such as easy broken belt, output and board dimension precision be low while rolling.
Claims (9)
1. the feed mouth three-roll casting-rolling mill of crystallizer of holding concurrently, mainly comprise: roll, roll bearing box, frame, depress oil cylinder, front case, feed Zui, lubricating rollers mechanism and main drive, it is characterized in that: the hold concurrently three-roll casting-rolling mill of crystallizer of described feed mouth, there are three rolls that are arranged above and below, top roll is backing roll, and intermediate calender rolls and lower roll are Casting Rollers; Intermediate calender rolls inside has heat exchange structure, and the heat exchange structure of intermediate calender rolls is by processing more than one slotted hole or open hot-mounted roll sleeve on fluted roller core on surface and realize in roll inside; Intermediate calender rolls is with a set of bend roller mechanism of battery, and bend roller mechanism of battery is formed or formed by being arranged on the projection of framework window inner side and the oil cylinder in projection by the oil cylinder being arranged on bearing housing.
2. the feed mouth of claim 1 three-roll casting-rolling mill of crystallizer of holding concurrently, it is characterized in that: backing roll inside has heat exchange structure, the heat exchange structure of backing roll is by processing more than one slotted hole or open hot-mounted roll sleeve on fluted roller core on surface and realize in roll inside.
3. the feed mouth of claim 1 three-roll casting-rolling mill of crystallizer of holding concurrently, is characterized in that: intermediate calender rolls diameter is 1/4～3/4 of lower roller diameter, and intermediate calender rolls is short compared with lower roll, and its length is to make different sizes by the width specifications of slab.
4. the hold concurrently three-roll casting-rolling mill of crystallizer of the feed mouth of arbitrary claim in claim 1 or 3, is characterized in that: the hold concurrently three-roll casting-rolling mill of crystallizer of described feed mouth is eccentric between intermediate calender rolls and up-down rollers, and its eccentricity value is between 0～± 120mm.
5. the hold concurrently three-roll casting-rolling mill of crystallizer of the feed mouth of arbitrary claim in claim 1 or 3, is characterized in that: intermediate calender rolls is non-driving.
6. the feed mouth of claim 1 three-roll casting-rolling mill of crystallizer of holding concurrently, is characterized in that: roll outlet side is with a set of rack-mounted water mist cooling apparatus.
7. the feed mouth of claim 6 three-roll casting-rolling mill of crystallizer of holding concurrently, is characterized in that: water mist cooling apparatus has upper and lower two spray beam, and upper spray beam is arranged between top roll and intermediate calender rolls, and lower spray beam is arranged near lower roll.
8. the feed mouth of claim 1 three-roll casting-rolling mill of crystallizer of holding concurrently, the hold concurrently feed mouth of three-roll casting-rolling mill of crystallizer of described feed mouth comprises: feed mouth body, lower mouth plate, upper mouth plate, the upper connecting rod of two side plates and a connecting lateral plate, it is characterized in that: between two side plates, be also connected with a lower link, between two side plates, be connected with the upper of adjustable side plate width, lower link, in adjusting, the nut of lower link both sides, can make side plate width consistent with the roll surface width of intermediate calender rolls, described feed mouth body is provided with heat exchanger, described heat exchanger has steam and cooling water switching mechanism.
9. the feed mouth of claim 8 three-roll casting-rolling mill of crystallizer of holding concurrently, it is characterized in that: described upper mouth plate is provided with movable nozzle plate, movable nozzle Ban You spring feed mechanism and portable plate form, during production the front end cambered surface of portable plate under the effect of spring all the time with intermediate calender rolls roll surface close contact, the inwall of the sidewall of portable plate and two side plates keeps moving matching relationship, and, portable plate below with upper mouth plate also keep moving matching relationship above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910244091.2A CN102107211B (en) | 2009-12-28 | 2009-12-28 | Three-roller casting and rolling machine with feed nozzle doubling as crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910244091.2A CN102107211B (en) | 2009-12-28 | 2009-12-28 | Three-roller casting and rolling machine with feed nozzle doubling as crystallizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102107211A CN102107211A (en) | 2011-06-29 |
| CN102107211B true CN102107211B (en) | 2014-03-12 |
Family
ID=44171557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910244091.2A Active CN102107211B (en) | 2009-12-28 | 2009-12-28 | Three-roller casting and rolling machine with feed nozzle doubling as crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102107211B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284518A (en) * | 2011-08-18 | 2011-12-21 | 中冶南方工程技术有限公司 | Water mist spraying device used in cold-rolling wet leveling production |
| CN104646421B (en) * | 2015-01-27 | 2016-06-01 | 燕山大学 | The solid liquid casting and rolling installation of a kind of ply-metal electricimpulse and method |
| CN108405617A (en) * | 2018-05-11 | 2018-08-17 | 中冶赛迪工程技术股份有限公司 | A kind of high-strength alloy aluminium high speed level casting rolling producing equipment and technique |
| CN110039019B (en) * | 2019-04-18 | 2021-06-18 | 河南科技大学 | Multi-path parallel casting and rolling method, casting and rolling system and melt feeding device for casting and rolling |
| CN110202104B (en) * | 2019-05-27 | 2024-02-09 | 北京首钢国际工程技术有限公司 | Aerosol cooling device of 2+8 roller combined thick plate blank large-pressure casting and rolling machine |
| CN113857446B (en) * | 2021-09-28 | 2023-07-21 | 张明 | Metal casting and rolling method and equipment for crystallizer melt distribution and heat exchange separation |
| CN114871395B (en) * | 2022-04-20 | 2024-04-02 | 河北敬业高品钢科技有限公司 | Control method and device for equipment parameters in continuous thin strip casting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775037A1 (en) * | 2004-06-30 | 2007-04-18 | Sumitomo Electric Industries, Ltd. | Method for producing magnesium alloy product |
| CN101239358A (en) * | 2008-03-06 | 2008-08-13 | 张明 | Double-roller casting rolling-hot continuous rolling method and equipment |
-
2009
- 2009-12-28 CN CN200910244091.2A patent/CN102107211B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775037A1 (en) * | 2004-06-30 | 2007-04-18 | Sumitomo Electric Industries, Ltd. | Method for producing magnesium alloy product |
| CN101239358A (en) * | 2008-03-06 | 2008-08-13 | 张明 | Double-roller casting rolling-hot continuous rolling method and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102107211A (en) | 2011-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102107211B (en) | Three-roller casting and rolling machine with feed nozzle doubling as crystallizer | |
| EP1870172B1 (en) | A continuous casting and rolling method for medium plate | |
| CN101239358B (en) | Double-roller casting rolling-hot continuous rolling method and equipment | |
| CN102189102B (en) | Method for rolling liquid core under heavy reduction rate by virtue of online thickness regulating roll by utilizing continuous casting machine | |
| CN101693265B (en) | Method and device for adjusting strip steel transverse warping by using pinch rolls | |
| CN102451838B (en) | Method for overcoming camber defect in hot rolling process of steel plate | |
| CN102000697A (en) | Embossed plate manufacturing method for improving embossing roller rolling quantity | |
| CN101293257A (en) | Process for manufacturing hot rolled steel strips by using compaction type continuous casting and rolling technique | |
| CN101293259A (en) | Method for producing variational format/constant format ultra-thin hot-rolled strip steel by using semi-headless technique | |
| CN105665443A (en) | Rolling technology of producing pipeline steel of extreme specifications through wide-heavy plate mill | |
| CN103551394A (en) | Control method for side reverse tilting on thickness profile of low-silicon non-oriented silicon steel | |
| CN110508765A (en) | A kind of bloom continuous casting manufacturing method for being conducive to eliminate core defect | |
| CN112474797B (en) | 2.0mm corrosion-resistant hot-rolled coiled plate rolling process | |
| CN1978080A (en) | Band-steel producing process EPS | |
| CA2515097A1 (en) | Method for milling thin and/or thick slabs made of steel materials into hot-rolled strip | |
| CN103817155B (en) | Thickness is greater than 50mm steel plate board-shape control method | |
| CN110860561A (en) | Method for coordinately controlling straight section of electrical steel through short-process cold rolling and hot rolling | |
| CN111036870A (en) | Slab casting and rolling device with corner heating capacity and method | |
| CN101362150B (en) | Double-roller casting rolling mill capable of arbitrarily adjusting roll gap | |
| CN104190722B (en) | A kind of control method of SPHC hot-strip head scale defect | |
| CN210010432U (en) | Steel and non-ferrous metal continuous casting and rolling device and continuous casting and rolling system | |
| CN111545719A (en) | Steel billet gradient continuous casting equipment and continuous casting process thereof | |
| CN106269859A (en) | A kind of heavy plate rolling method | |
| CN211614251U (en) | Slab casting and rolling device with corner heating capacity | |
| CN116871323B (en) | Near-net-shape rail steel cast rolling forming equipment and process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |