CN201008954Y - Secondary cooling device of billet conticaster - Google Patents

Secondary cooling device of billet conticaster Download PDF

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Publication number
CN201008954Y
CN201008954Y CNU2007200351253U CN200720035125U CN201008954Y CN 201008954 Y CN201008954 Y CN 201008954Y CN U2007200351253 U CNU2007200351253 U CN U2007200351253U CN 200720035125 U CN200720035125 U CN 200720035125U CN 201008954 Y CN201008954 Y CN 201008954Y
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CN
China
Prior art keywords
shower
locating support
secondary cooling
steel billet
water distributor
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Expired - Fee Related
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CNU2007200351253U
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Chinese (zh)
Inventor
张文全
吴耀光
严学春
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Maanshan Iron and Steel Co Ltd
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Maanshan Iron and Steel Co Ltd
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Priority to CNU2007200351253U priority Critical patent/CN201008954Y/en
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Abstract

The utility model discloses a recooling device for a steel billet constant caster. One end of every spray pipe (1) is fixedly connected with a polygonal spray pipe mount (3) which is perpendicular to the spray pipe. The other end of every spray pipe is fixedly connected with a polygonal cooling water distributor (2) which is perpendicular to the spray pipe; furthermore the connecting positions are at the climax of the two polygons. The cooling water distributor (2) is provided with a joint (9) of a water inlet pipe and is communicated with the water inlet pipe. The joint of the water inlet pipe (9), the cooling water distributor (2), the spray pipe (1), a spray branch pipe (10) and a nozzle (11) are in turns the passage of the cooling water. The utility model adopts the technical proposal which makes the recooling device for a steel billet constant caster have simple structure, good sealing, faster speed of maintenance and high arc alignment precision and be suitable for recooling devices with different fracture surfaces.

Description

A kind of continuous-casting of steel billet machine secondary cooling apparatus
Technical field
The utility model relates to metallurgical industry production, and more particularly, the utility model relates to a kind of continuous-casting of steel billet machine secondary cooling apparatus.
Background technology
At present, in steel and iron industry is produced, the centering that need expend time in when carrying out the rolled piece secondary cooling of square billet, round billet continuous casting machine, replacing speed is unhappy, and is not high to the arc accuracy, installs inconvenient; The secondary cooling water atomizing is inhomogeneous, so cooling effect is relatively poor, and slab quality is affected; This in addition sealing structure is bad, and service life is shorter, can not adapt to the needs of multiple section.
For example, China Patent No. is that the patent specification of CN200420037018.0 discloses a kind of continuous casting secondary cooling apparatus that is used for square billet and circle base dual-purpose, is provided with secondary cooling water spray frame, and it comprises that four groups of spray framves are outer arc, inner arc, left side and right side; The spray frame is formed by connecting by four curved pipes, uniform many row's arms on the curved pipe, and the difference layout that four groups of sprays of nozzle frame nozzle is housed on the arm just forms two kinds of different water ring cross sections; Valve is arranged on the curved pipe.This patent progressive to some extent technically, the spray frame need not be changed and adjust to described secondary cooling water spray frame when changing section; the cooling water pipeline need only online switching be complementary; shorten downtime, reduced recondition expense, reduced the spare part value volume and range of product of spray frame.But this patented technology also exists defective, and this device is that the secondary cooling apparatus of two kinds of sections is fitted together, and its problem mainly contains: 1, complex structure; 2, easily leakage point is more; 3, only be suitable for two kinds of sections; 4, maintenance difficulties is bigger; 5, relative manufacturing cost height.
The utility model content
Problem to be solved in the utility model provides a kind of continuous-casting of steel billet machine secondary cooling apparatus, its objective is that the maintenance, the replacing speed that make secondary cooling apparatus are faster, uses more reliable.
To achieve these goals, the technical scheme that the utility model is taked is: this continuous-casting of steel billet machine secondary cooling apparatus that is provided, comprise locating support, a plurality of showers of parallel distribution, establish a plurality of spray arms on each shower, the end of each spray arm establish one with the nozzle that sprays the arm coaxial line, one end of all showers is fixedly connected by perpendicular polygonal shower fixed mount, the other end is fixedly connected by perpendicular identical polygonal cooled water distributor, and above-mentioned link position is all at place, described two polygonal summits, establishing admitting pipe joint on the cooled water distributor is communicated with water inlet pipe, from admitting pipe joint, cooled water distributor, shower, the spray arm is followed successively by the path of cooling water to nozzle.
Described shower is a curved pipe, and it is a camber line that the diagonal of described a plurality of showers intersects the center line that is constituted.
The center line that a plurality of shower constituted is a camber line, and the plane at above-mentioned each camber line place is parallel to each other, the bending direction unanimity of each camber line.
For making the utility model better effects if, also further adopted following technical proposal:
The described arm that respectively sprays adopts welded type to be connected with shower, and according to the requirement of strand intensity of cooling diminuendo, a plurality of spray arms on each shower distribute by certain ordering, angle and spacing, to guarantee the cooling effect of each nozzle water spray to strand.
The spray arm of the identical ordering distributing on each shower spray arm of equal number, each shower) is distributed on the same plane, and extended line of its spray arm axis is by the steel billet center, and each nozzle is equal to the distance at steel billet center.
Described shower and cooled water distributor are fixedly connected as tubular configured joint, adopt the connected mode of spherical joint.
Described shower be connected with cooled water distributor opposite end for the sealing structure, establish on the termination bearing pin and with shower be being fastenedly connected of coaxial line, in the relevant position of shower fixed mount, establish through hole, bearing pin passes this hole, is fixed by split pin.
Described locating support is " door " shape member, the both sides of described " door " shape structure are parallel, the quantity of locating support is two, one is last locating support, parallel with the shower fixed mount and connect by alignment pin is installed, another part is locating support down, and is parallel with cooled water distributor and connect by alignment pin is installed, the framework that described shower fixed mount, cooled water distributor and a plurality of shower constitute is in the scope of last locating support and following locating support.
Described shower fixed mount and cooled water distributor each to form polygon be symmetrical inequilateral hexagon, its line of symmetry is the line of symmetry of two parallel edges of locating support " door " shape structure, its in two edge lengths of the opening direction of " door " type structure of locating support greater than other four limit.
The centre on the both sides of " door " shape structure of described locating support, respectively be provided with an elongated slot and parallel to each other, described elongated slot is an opening on the termination on the both sides of " door " shape structure, described installation alignment pin is inserted in the groove, by the pin of inclined wedge-shaped shower fixed mount and last locating support, cooled water distributor and following locating support is locked respectively.
Described nozzle arrangements is fixing eddy flow core formula, and the scope of its water spray is 60 ° of solid conicals, and the axis of this cone overlaps with nozzle-axis.
The utility model adopts technique scheme, make that continuous-casting of steel billet machine secondary cooling apparatus is simple in structure, good airproof performance, maintain and replace speed are fast, to arc precision height, can adapt to the secondary cooling apparatus of multiple section.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of the utility model structure shown in Figure 1 is to the rotation schematic diagram;
Fig. 3 is the B-B cross-sectional schematic of the utility model structure shown in Figure 1.
Be labeled as among the figure: 1, shower, 2, cooled water distributor, 3, the shower fixed mount, 4, following locating support, 5, go up locating support, 6, split pin, 7, bearing pin, 8, spherical joint, 9, admitting pipe joint, 10, the spray arm, 11, nozzle, 12, locating support, 13, alignment pin is installed, 14, elongated slot.
The specific embodiment
As Fig. 1, Fig. 2 and the expressed structure of the present utility model of Fig. 3, the utility model is a kind of continuous-casting of steel billet machine secondary cooling apparatus, the a plurality of showers 1 that comprise locating support 12, parallel distribution, establish a plurality of spray arms 10 on each shower 1, the end of each spray arm 10 establish one with the nozzle 11 that sprays arm 10 coaxial lines.
In order to realize making the maintenance of secondary cooling apparatus, replacing speed is faster, use more reliable purpose, the technical scheme that the utility model is taked is: as shown in drawings, one end of all showers 1 is fixedly connected by perpendicular polygonal shower fixed mount 3, the other end is fixedly connected by perpendicular identical polygonal cooled water distributor 2, and above-mentioned link position is all at place, described two polygonal summits, establishing admitting pipe joint 9 on the cooled water distributor 2 is communicated with water inlet pipe, from admitting pipe joint 9, cooled water distributor 2, shower 1, spray arm 10 is followed successively by the path of cooling water to nozzle 11.At admitting pipe joint 9 of a face down bonding of cooled water distributor 2, this joint is connected with the water supply hose of two cold houses, makes secondary cooling water enter admitting pipe joint 9 and be assigned to shower 1 by nozzle 11 the secondary cooling water ejection to be atomized again.
For making the utility model better effects if, also further adopted following technical proposal:
Distributing on each shower 1 spray arm 10 of equal number, the spray arm 10 of the identical ordering between each shower 1 is distributed on the same plane, and extended line of its spray arm 10 axis is by the steel billet center, and each nozzle is equal to the distance at steel billet center.
Described spray arm 10 is vertical with the shower 1 that is connected, and the center line that is constituted towards a plurality of showers 1.
The lower port of described shower 1 is communicated with cooled water distributor 2, and shower 1 is fixedly connected as tubular configured joint with cooled water distributor 2, adopts the connected mode of spherical joint.This connected mode good airproof performance, high temperature resistant, be convenient to dismounting.
Described shower 1 is connected the structure of opposite end for sealing with cooled water distributor 2, the upper port of spray frame is shut, and establishes bearing pin 7 on the termination and is being fastenedly connected of coaxial line with shower 1, takes the mode of welding.In the relevant position of shower fixed mount 3, establish through hole, bearing pin 7 passes this hole, and is fixing by split pin 6.Fixing in the respective aperture that bearing pin 7 inserts on the shower fixed mount 3, and, so just determined the relative position of a plurality of showers 1 with on split pin 6 pins.
Described locating support 12 is " door " shape member, establish in cooling on the frame of affair and install, the both sides of described " door " shape structure are parallel, the quantity of locating support 12 is two, one is last locating support 5, parallel with shower fixed mount 3 and connect by alignment pin 13 is installed, another part is following locating support 4, parallel with cooled water distributor 2 and connect by alignment pin 13 is installed, the framework that described shower fixed mount 3, cooled water distributor 2 and a plurality of shower 1 constitute is in the scope of last locating support 5 and following locating support 4.Its objective is convenience in order to install, to dismantle.
As shown in Figures 2 and 3, the concrete mode of the utility model when implementing by: described shower fixed mount 3 and cooled water distributor 2 each to be formed polygon be symmetrical inequilateral hexagon, its line of symmetry is the line of symmetry of two parallel edges of locating support 12 " door " shape structure, its in two edge lengths of the opening direction of " door " structure of locating support 12 greater than other four limit.Hexagonal structure is: hexagon is a on " door " shape penetralia both sides of locating support 12 with b and a=b, the limit parallel with the both sides of " door " shape structure is that the most external both sides of c and f and c=f, " door " shape structure are d and e and d=e, be linked in sequence according to a, b, c, d, e, f, wherein ab angle, af angle, bc angle are 120 °, cd angle, fe angle are 126 °, the parallel coincidence in both sides of c, f both sides and " door " shape of locating support 12.This structure Design is that to change shower 1 convenient for the Fast Installation of the shower 1 that adapts to multiple section and maintenance at ordinary times.
The centre on the both sides of " door " shape structure of described locating support 12, respectively be provided with an elongated slot 14 and parallel to each other, described elongated slot 14 is an opening on the termination on the both sides of " door " shape structure, described installation alignment pin 13 is inserted in the groove, by the pin of inclined wedge-shaped shower fixed mount 3 and last locating support 5, cooled water distributor 2 is locked respectively with following locating support 4.Be welded with installation alignment pin 13 respectively at cooled water distributor 2 left and right sides lower end parts and position, shower fixed mount 3 left and right sides upper end, the cooled water distributor 2 of design and installation and secondary cooling apparatus on two cold house's quadrant blocks, corresponding locating support and the following locating support gone up in the position of shower fixed mount 3 alignment pins, on the both sides of each support, open an elongated slot 14, when secondary cooling apparatus is installed, installation alignment pin 13 on cooled water distributor 2 and the shower fixed mount 3 can be packed into from the opening of elongated slot 14, shift the position onto and lock along this elongated slot 14 with tightening key, do not need centering, can realize the Fast Installation of secondary cooling apparatus, accurately to arc.
The center line that described a plurality of shower 1 is constituted is a camber line, and each shower 1 also is corresponding camber line shape.
The utility model is equipped with 6 spray arms 10 on by each shower 1 when implementing, on each spray arm 10 nozzle 11 is housed.Described nozzle 11 structures are fixing eddy flow core formula, and the scope of its water spray is 60 ° of solid conicals, the axis of this cone and nozzle 11 deads in line.
Said structure be for the spray effect that makes cooling water better.
Draw different casting blank section to use different showers 1, cooled water distributor 2 and shower fixed mount 3 are suitable for all sections of casting, if when changing section, can online outer secondary cooling apparatus is assembled in advance try the water, and integral replacing has shortened downtime.
Can change shower 1 by online interior monolithic when safeguarding at ordinary times, easy to maintenance.
The implementation and operation process is:
At first will descend locating support 4, last locating support 5 to be installed on the quadrant blocks of two cold houses, with its centering and weld, following locating support 4, last locating support 5 installation sites are secondary cooling apparatus reference for installation in two cold-zones, the installation accuracy of its upper and lower locating support will directly influence secondary cooling apparatus in two cold-zone installation accuracies, and will produce directly influence to the strand cooling effect, therefore when being installed, must accomplish upper and lower locating support accurate centering, fixing reliable.
Outside online at ordinary times shower 1, cooled water distributor 2, shower fixed mount 3 are assembled, the water spray angle of trying the water and hunting leak and adjusting nozzle 11 is in order to stand-by.
When changing section, with line internal sparger pipe 1, cooled water distributor 2 and shower are fixed 3 overall pulling downs and are hung out, the secondary cooling apparatus integral body that to assemble at ordinary times and debug again to should section lift up into and be installed on the secondary cooling zone quadrant blocks on, on the following locating support, on on the quadrant blocks that is installed in two cold houses, following locating support is the reference for installation of secondary cooling apparatus in two cold-zones, as long as with cooled water distributor 2, installation alignment pin 13 on the shower fixed mount 3 is along last, the elongated slot 14 of following locating support advances to put in place and lock and gets final product, and does not need centering can realize the Fast Installation of secondary cooling apparatus, accurately to arc.
Admitting pipe joint 9 with cooled water distributor 3 is connected with the water supply hose of two cold houses then, open the secondary cooling water valve aborning, secondary cooling water enters cooled water distributor 3 and is assigned to each shower 1, by nozzle 11 the secondary cooling water ejection is atomized again, can reach casting billet surface is evenly cooled off.
If need online monolithic to change shower 1 when safeguarding at ordinary times, the split pin on the shower fixed mount 3 can be extracted, taken apart out the articulation of shower 1 bottom, can extract shower 1 out and carry out the monolithic replacing.
In sum, simple in structure, good airproof performance of the present utility model, maintain and replace speed fast, to arc precision height, can adapt to the secondary cooling apparatus of multiple section.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.

Claims (9)

1. continuous-casting of steel billet machine secondary cooling apparatus, comprise locating support (12), a plurality of showers (1) of parallel distribution, establish a plurality of spray arms (10) on each shower (1), the end of each spray arm (10) establish one with the nozzle (11) that sprays arm (10) coaxial line, it is characterized in that: an end of all showers (1) is fixedly connected by perpendicular polygonal shower fixed mount (3), the other end is fixedly connected by perpendicular identical polygonal cooled water distributor (2), and above-mentioned link position is all at place, described two polygonal summits, establishing admitting pipe joint (9) on the cooled water distributor (2) is communicated with water inlet pipe, from admitting pipe joint (9), cooled water distributor (2), shower (1), spray arm (10) is followed successively by the path of cooling water to nozzle (11).
2. according to the described continuous-casting of steel billet machine of claim 1 secondary cooling apparatus, it is characterized in that: described shower (1) is a curved pipe, the center line that described a plurality of shower (1) is constituted also is a camber line, and the plane at above-mentioned each camber line place is parallel to each other, the bending direction unanimity of each camber line.
3. according to claim 1 or 2 described continuous-casting of steel billet machine secondary cooling apparatus, it is characterized in that: the spray arm (10) of the equal number that distributing on each shower (1), the spray arm (10) of the identical ordering between each shower (1) is distributed on the same plane, the extended line of its spray arm (10) axis is by the steel billet center, and each nozzle equates to the distance at steel billet center.
4. according to claim 1 or 2 described continuous-casting of steel billet machine secondary cooling apparatus, it is characterized in that: described shower (1) is fixedly connected as tubular configured joint with cooled water distributor (2), adopts the connected mode of spherical joint.
5. according to the described continuous-casting of steel billet machine of claim 4 secondary cooling apparatus, it is characterized in that: described shower (1) is connected the structure of opposite end for sealing with cooled water distributor (2), establish bearing pin (7) on the termination and be being fastenedly connected of coaxial line with shower (1), relevant position in shower fixed mount (3), if through hole, bearing pin (7) passes this hole, and is fixing by split pin (6).
6. according to claim 1 or 2 or 5 described continuous-casting of steel billet machine secondary cooling apparatus, it is characterized in that: described locating support (12) is " door " shape member, the both sides of described " door " shape structure are parallel, the quantity of locating support (12) is two, one is last locating support (5), parallel with shower fixed mount (3) and connect by alignment pin (13) is installed, another part is following locating support (4), parallel with cooled water distributor (2) and connect by alignment pin (13) is installed, described shower fixed mount (3), the framework that cooled water distributor (2) and a plurality of shower (1) constitute is in the scope of last locating support (5) and following locating support (4).
7. according to the described continuous-casting of steel billet machine of claim 6 secondary cooling apparatus, it is characterized in that: described shower fixed mount (3) and cooled water distributor (2) each to form polygon be symmetrical inequilateral hexagon, its line of symmetry is the line of symmetry of two parallel edges of " door " shape structure of locating support (12), its in two edge lengths of " door " type structural openings direction of locating support (12) greater than other four limit.
8. according to the described continuous-casting of steel billet machine of claim 7 secondary cooling apparatus, it is characterized in that: the centre on the both sides of " door " shape structure of described locating support (12), respectively be provided with an elongated slot (14) and parallel to each other, described elongated slot (14) is an opening on the termination on the both sides of " door " shape structure, described installation alignment pin (13) is inserted in the groove, by the pin of inclined wedge-shaped shower fixed mount (3) and last locating support (5), cooled water distributor (2) is locked respectively with following locating support (4).
9. according to any continuous-casting of steel billet machine secondary cooling apparatus described in the claim 1,2,5,7,8, it is characterized in that: described nozzle (11) structure is fixing eddy flow core formula, the scope of its water spray is 60 ° of solid conicals, the axis of this cone and nozzle (11) dead in line.
CNU2007200351253U 2007-03-15 2007-03-15 Secondary cooling device of billet conticaster Expired - Fee Related CN201008954Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101985163A (en) * 2010-11-23 2011-03-16 中冶南方工程技术有限公司 Spray pipe device for billet caster
CN103785810A (en) * 2014-01-06 2014-05-14 莱芜钢铁集团有限公司 Method for quickly changing different pouring cross sections for continuous casting
CN104399926A (en) * 2014-11-15 2015-03-11 新兴铸管股份有限公司 Precise arc aligning device of continuous casting square round blank spraying system
CN106180191A (en) * 2016-08-31 2016-12-07 中冶赛迪工程技术股份有限公司 A kind of wire and rod continuous casting billet is exempted to heat and is directly rolled system and method
CN110899643A (en) * 2019-12-12 2020-03-24 四川德胜集团钒钛有限公司 Continuous casting cooling spray set
CN114346186A (en) * 2022-01-17 2022-04-15 马鞍山钢铁股份有限公司 Conticaster sprays strip calibrating device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101985163A (en) * 2010-11-23 2011-03-16 中冶南方工程技术有限公司 Spray pipe device for billet caster
CN103785810A (en) * 2014-01-06 2014-05-14 莱芜钢铁集团有限公司 Method for quickly changing different pouring cross sections for continuous casting
CN104399926A (en) * 2014-11-15 2015-03-11 新兴铸管股份有限公司 Precise arc aligning device of continuous casting square round blank spraying system
CN106180191A (en) * 2016-08-31 2016-12-07 中冶赛迪工程技术股份有限公司 A kind of wire and rod continuous casting billet is exempted to heat and is directly rolled system and method
CN110899643A (en) * 2019-12-12 2020-03-24 四川德胜集团钒钛有限公司 Continuous casting cooling spray set
CN114346186A (en) * 2022-01-17 2022-04-15 马鞍山钢铁股份有限公司 Conticaster sprays strip calibrating device
CN114346186B (en) * 2022-01-17 2023-09-12 马鞍山钢铁股份有限公司 Calibrating device for spray bars of square billet sector section of continuous casting machine

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