CN106180192B - A kind of wire and rod continuous casting billet high speed direct sending directly rolls system and method - Google Patents
A kind of wire and rod continuous casting billet high speed direct sending directly rolls system and method Download PDFInfo
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- CN106180192B CN106180192B CN201610788869.6A CN201610788869A CN106180192B CN 106180192 B CN106180192 B CN 106180192B CN 201610788869 A CN201610788869 A CN 201610788869A CN 106180192 B CN106180192 B CN 106180192B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The present invention provides a kind of wire and rod continuous casting billet high speed direct sending and directly rolls system and method, including the minor radius high casting speed continuous casting machine, the fast hydraulic pressure that are closely arranged successively are cut, cut rear roller-way, ejection roller way, strand and be heat-fed roller-way, single cast blank conveying roller table and wire and bar mill in groups；The ejection roller way and strand are provided with lateral machine for moving steel between being heat-fed roller-way in groups, the strand is heat-fed between roller-way and single cast blank conveying roller table the steel splitting machine that is provided in groups, strand collects in ejection roller way is heat-fed roller-way in groups by lateral machine for moving steel immigration strand in groups, and groups of strand is divided into single strand and is transported to wire and bar mill through single cast blank conveying roller table by steel splitting machine to be rolled.Minor radius high casting speed continuous casting machine high efficiency continuous casting of the present invention, strand pull out temperature height, and shape is regular, and temperature loss is small, and strand cuts quick, strand initial temperature height.Lateral machine for moving steel in groups, and send each stream strand high speed in groups by being heat-fed roller-way to steel rolling, and temperature drop is minimum in which strand transportational process.
Description
Technical field
The invention belongs to metal continuous cast and rolling technical fields, and in particular to a kind of wire and rod continuous casting billet high speed direct sending directly rolls
System and method.
Background technology
The production technology of wire and rod is mostly at present：Molten steel is after continuous cast mold and the solidification of secondary cooling zone postcooling by withdrawal straightening machine
Aligning pulls out strand, and strand is sent to ejection area after flame Length-fixing cutting by roller-way after cutting and rollgang.It needs to be heat-fed
Strand send to hot sending roller-way through tilting gear, machine for moving steel, steel splitting machine and is directly sent to steel rolling into heating furnace；Need offline strand through turning over
Steel machine, machine for moving steel, steel splitting machine send to double steel cold bed and are cooled down, and then casting blank collecting rack collects the offline stockpiling of crane.Hot sending
To heater for rolling steel the general temperature of strand in the range of 500-600 DEG C, the strand of this temperature is directly to be rolled
System, needing heating furnace to be heated to 1040-1140 DEG C could roll.Offline strand, which can generally be stored up, to be naturally cooled to often
Temperature, then rolled after giving to the heated stove heat of steel rolling.The defect of this production procedure is：It reheats and holds after high temperature slab cooling
A large amount of energy charge is easily caused, even hot-loading and hot-conveying, it is still desirable to heat, equally also consume a large amount of energy；Steel rolling
The construction investment of heating furnace, daily maintenance, material consumption etc. will also expend huge economic input.
In order to avoid the generation of above-mentioned phenomenon, it is a kind of very safe using direct sending Direct Rolling Technology and flexibly arranges
It applies.The core of direct sending Direct Rolling Technology is：Strand is without heating furnace Direct Rolling, and steel rolling start rolling temperature is in pair rolling and low
Between warm-rolling system, finishing temperature and pair rolling temperature difference are little, promote the temperature that strand arrives milling train, shortening conticaster is to rolling
The time of machine ensures higher start rolling temperature.
It is sent at a high speed to milling train after continuous casting billet cut-out, strand is not heat-treated, and surface temperature is than pair rolling open rolling temperature
Spend low, but strand central temperature specific surface temperature is much higher, easily deformable deep and thorough, while also helping strand internal flaw
Pressing and elimination, rough rolling step internal high temperature area generate samming effect, surface temperature are made to increase to external diffusion, promote internal matter
The improvement of amount.
Application No. is the Chinese patent of 201020160403.X disclose a kind of proximate matter, bar endless rolling flexible connecting
Device provides the flexible linked set of three kinds of forms according to patent：One is be made of soft pressure roller system；It is a kind of
It is to have big pressure milling train to constitute；One is there is above-mentioned soft pressure roller system to be collectively formed with big pressure milling train, select in three kinds of forms
One kind be mounted between crystallizer and conventional rolling mill group.The patent is provided with screwdown device between conticaster and milling train, gradually
The cross dimensions of second compression strand with increase strand to steel rolling speed, to realize seamless connection and the flexibility of continuous casting and steel rolling
Linking shortens flow and production line length.Due to the process for not having strand to cut off in the technology, Dan Liusheng can only be generally realized
Production.For wire and rod production, single production line output that flows is too low, when such as being produced according to multithread, will correspond to and match per one stream
Corresponding milling train group can cause to invest excessive, the problems such as produced on-site organization and administration are inconvenient.
It discloses application No. is 201010185485.8 Chinese patent and a kind of producing proximate matter bar using residual heat of molten steel
Continuous-casting continuous-rolling method provides a kind of technological process according to patent, from smelting molten steel, temperature control continuous casting, and rectification tandem rolling,
Continuous shear stress batches, cooling, the big packet of finishing to storage.The invention overcomes waste of energy existing for prior art, repeatedly cuts
Head, whole reheatings and every section lead to the problem of a short ruler, have saved the energy, have reduced loss.But the technology is to single stream
Or continuous casting of two strands in parallel machine is more suitable, for multiple-strand caster, the amount of milling train unit will be very huge, and it is not easy to operate and
Production management tissue.
Application No. is 201310475792.3 Chinese patent applications to disclose a kind of side of Direct Rolling production long profiles
Method, according to patent, this method includes conticaster, and ejection roller way keeps the temperature bridging table, and induction heating apparatus and milling train etc. are set
It is standby.Although the invention improves the mode for carrying out heating stove heat in original long profiles production process to continuous casting material, but use
The problems such as sensing heating still has equipment investment height, and production consumption electric energy is big, burning, oxidization burning loss.
Application No. is 201220380196.8 Chinese patents to disclose a kind of continuous casting and rolling device producing long material, according to
Described in patent, which includes conticaster, is closely connected with roller hearth type heating furnace after cutting machine in turn, and traverse displacement unit and energy are real
The milling train of existing zerolling.Although traditional heating stove is changed to roller hearth type heating furnace by the patent of invention, it can only be to strand
Lower surface is heated, and strand non-uniform temperature is easily caused, therefore also needs to build supplementary heating stove, is increased process, is increased
Big equipment investment and energy consumption.
Application No. is 201320582646.6 Chinese patent disclose it is a kind of without heating low temperature Direct Rolling small billet life
The device of reinforcing bar is produced, according to patent, conticaster is multiple-strand caster, and ejection roller way is arranged per outflux, ejection roller way
End is equipped with the deployment device that can laterally allocate blank, is rolled equipped with several in the traversing rack side opposite with ejection roller way
Line, ejection roller way and rollgang are equipped with insulation cover.Although the patent eliminates heating furnace, but the device is more using continuous casting billet
Row is parallel, and the single mode for being sent into hot sending roller-way, can cause entry into the continuous casting of hot sending roller-way after by lateral deployment device steel splitting
Base stand-by period process and cool down, and due to needing traversing steel splitting, also increase the cooling time of continuous casting billet.Substantially come
It says, the device and the not essential difference of currently used hot delivery and hot charging technology, continuous casting billet temperature drop is excessive, cannot be satisfied milling train and rolls
The requirement of system.
Invention content
In view of the above deficiencies of the prior art, the purpose of the present invention is to provide a kind of wire and rod continuous casting billet high speed is straight
It send and directly rolls system, farthest improve temperature when strand cut-out, shorten time of the strand from continuous casting to steel rolling, reduce casting
Temperature loss of the base in transmission process.
In order to achieve the above objects and other related objects, technical solution of the present invention is as follows：
A kind of wire and rod continuous casting billet high speed direct sending directly rolls system, including the minor radius high casting speed continuous casting being closely arranged successively
Machine, fast hydraulic pressure cut, cuts rear roller-way, ejection roller way, strand is heat-fed roller-way, single cast blank conveying roller table and wire and rod and rolls in groups
Machine；The ejection roller way and strand, which are heat-fed in groups between roller-way, is provided with lateral machine for moving steel, the strand be heat-fed in groups roller-way with
Be provided with steel splitting machine between single cast blank conveying roller table, strand ejection roller way collect in groups by lateral machine for moving steel move into strand at
Group hot sending roller-way, groups of strand are divided into single strand by steel splitting machine and are transported to wire and bar mill through single cast blank conveying roller table
It is rolled.
Using the above structure, the characteristics of minor radius high casting speed continuous casting machine has radius small, and metallurgical length is short, high pulling rate is led to
Normal radius is less than 8m；Fast hydraulic pressure is closely arranged in minor radius high casting speed continuous casting machine downstream to cut, to greatest extent reduce withdrawal straightening machine with
The distance that fast hydraulic pressure is cut improves temperature when strand is cut；Fast hydraulic pressure cuts on-line synchronous and cuts continuous-cast blank, quick side
Just, it is fast to cut speed, cuts success rate height, equipment failure rate is low, cuts the regular strand that do not influence of notch and rolls, conventional flame
Cutting needs one or two minutes, and fast hydraulic pressure is cut and only needs several seconds, and shear time is shortened, and reduces temperature drop.
While strand is also more in ejection roller way region and comes together, and strand is moved into the process that strand is heat-fed roller-way in groups in groups
In and being heat-fed strand on roller-way in groups in strand and being also more can make strand cooling slow so in groups, reduce temperature damage
It loses, ensures temperature when follow-up rolling.
Further, the strand is heat-fed the side that roller-way is arranged in ejection roller way in groups, and the transverse direction machine for moving steel is arranged in
Above ejection roller way.
Further, the ejection roller way and the gate machine for being provided between rear roller-way and entering and let pass for stopping strand is cut
Structure.Gate can stop that strand enters ejection roller way when rising, and the strand flowed where letting pass when falling enters ejection roller way, plays casting
Base transports the effect orderly adjusted.
Further, it is additionally provided in front of the ejection roller way for the fixed baffle by strand gear in ejection roller way region,
Front is the front of the moving direction relative to strand, and ejection roller way rear is then gate mechanism.
Further, the gate mechanism is the adjustable end stop driven using hydraulic pressure or air pressure.
Further, the minor radius high casting speed continuous casting machine radius is 6m-8m；Pulling rate is more than 4m/min.The high pulling rate of minor radius
Conticaster is equipped with high pulling rate crystallizer, and pulling rate is more than 4m/min, and high pulling rate crystallizer has lower resistance cavity structure, efficiently cooling
Water stitches, and copper pipe uniqueness corner structure is cooled down with to ensure uniform in crystallizer of strand and goes out crystallizer casting blank shell thickness.Match
Standby cooling system, temperature is more than 980 DEG C before ensureing strand cutting, strand neat appearance, excellent surface quality.
Further, rear roller-way, ejection roller way, the strand cut is heat-fed roller-way, single cast blank conveying roller table as high speed in groups
Frequency conversion or non-frequency may be used in roller-way.
Further, it is provided with cooling sprayer on high casting speed continuous casting machine, including spraying mechanism and as fixing bracket
Water inlet supervisor, it is described water inlet supervisor be located at casting stream inner arc side, the spraying mechanism be mounted on water inlet supervisor on, and with water inlet
Supervisor's connection；The water inlet supervisor is divided into multiple segmentations along casting stream arc direction, and step-by-step arrangement is conveniently replaceable maintenance；It is each described
Segmentation upper and lower ends are both provided with water inlet.Each is segmented into a spraying zone, and each area is led to simultaneously using upper and lower water inlet
The mode of water avoids cooling water from being unevenly distributed up and down.
Using the above structure, conticaster occurs small to holder damage when the accidents such as bleed-out, does not influence conticaster reorganization
Production, easy for assemble or unload, fixing bracket is also water inlet supervisor simultaneously, carries water-cooled effect, is unlikely to deform.
Further, the spraying mechanism is nozzle ring group, and plane is vertical with casting stream where the nozzle ring group, and casting flow by
It is passed through among nozzle ring group, which is connected by connecting tube and water inlet supervisor, and multiple nozzles are equipped in nozzle ring group.
Further, the nozzle ring group is in eight-sided formation, including the alternately 4 root long pipes and 4 short tubes of connection, close to interior
The long tube of arc side is mounted on by connecting tube and water inlet supervisor's connection, the nozzle on short tube.
Further, the angle of the short tube and long tube is 120 °.
Further, the nozzle ring group is in constitute eight-sided formation by 8 isometric jet pipes, and the nozzle pitch is mounted on
On jet pipe, the jet pipe passes through connecting tube and water inlet supervisor's connection.
Further, the nozzle is threadedly coupled with nozzle ring group, the connecting tube and water inlet supervisor and nozzle ring group grafting.
Simple in structure, nozzle ring group is easily installed and dismantles, component globality, and integration degree is high, realizes nozzle
Quick-replaceable.
Further, the aperture of the nozzle is more than or equal to 2mm.It is wide to be applicable in water quality range, is not easy to plug, nozzle atomization effect
Good, jet velocity is fast.
Present invention simultaneously provides a kind of straight rolling methods of wire and rod continuous casting billet high speed direct sending, including above-mentioned wire and rod continuous casting billet
High speed direct sending directly rolls system, the strand produced using minor radius high casting speed continuous casting machine after rapid hydraulic cutting is cut by cutting after
Roller-way is sent to ejection roller way, ejection roller way and setting gate mechanism stops that strand enters and lets pass between cutting rear roller-way, for casting
The orderly adjusting that base transports, ejection roller way side are arranged fixed baffle and keep off strand in ejection roller way region；Strand is in ejection roller
After road region is collected in groups, by lateral machine for moving steel move into strand be heat-fed roller-way in groups, reduce heat scatter and disappear, groups of strand by
Steel splitting machine, which is divided into single strand and is transported to wire and bar mill through single cast blank conveying roller table, to carry out exempting from heating rolling.
Further, the minor radius high casting speed continuous casting machine radius is 6m-8m；Pulling rate is more than 4m/min；Pass through conticaster control
Temperature is more than 980 DEG C before strand cutting processed.Shorten time of delivery by high pulling rate and high speed roller-way, reduces temperature drop；Strand is going out
More convey in groups after blank roller way, can also reduce temperature loss, ensure rolling quality.
As described above, the beneficial effects of the invention are as follows：
Minor radius high casting speed continuous casting machine high efficiency continuous casting, strand pull out temperature height, and shape is regular, and temperature loss is small, and strand is cut
Disconnected quick, strand initial temperature is high.Lateral machine for moving steel in groups, and send each stream strand high speed in groups by being heat-fed roller-way to rolling
Steel, temperature drop is minimum in which strand transportational process, easy to operate, easily tissue production.Steel rolling strand arrive at a station temperature height, can exempt from plus
Hot Direct Rolling damages milling train small.The present invention farthest improves temperature when strand cut-out, farthest shortens
Time of the strand from continuous casting to steel rolling, farthest reduces temperature loss of the strand in transmission process, make full use of
Continuous casting billet metallurgy thermal energy greatly reduces strand energy saving consumption in transmission process, improves lumber recovery, saves metal and disappears
Consumption, shortens the production cycle, and simplifies the technological process of production, reduces plant area and transporting equipment, save producing cost and
Capital expenditure improves product quality.By cooling sprayer, two cold water spray top nozzle water spray of traditional square billet is avoided
Up-small and down-big problem of non-uniform, it is therefore prevented that damage of the bleed-out accident to spray system；Nozzle ring assembly and disassembly are convenient, fast, fixed
Level is true, greatlys save maintenance time, improves the labor intensity of maintenance operation personnel；Farthest improve billet continuous casting
The operating rate of machine, slab cooling is uniform, improves slab quality, provides guarantee for the high pulling rate of square billet, realizes efficient high yield.
Description of the drawings
Fig. 1 is the vertical view that wire and rod continuous casting billet high speed direct sending of the present invention directly rolls system arrangement；
Fig. 2 is the front view that wire and rod continuous casting billet high speed direct sending of the present invention directly rolls system arrangement；
Fig. 3 is the scheme of installation of the lateral machine for moving steel of the present invention, ejection roller way, adjustable end stop and fixed baffle；
Fig. 4 is the structural schematic diagram of cooling sprayer of the present invention；
Fig. 5 is the structural schematic diagram of the nozzle ring group of the present invention；
Fig. 6 is another structural schematic diagram of nozzle ring group of the present invention.
Piece mark explanation
1 minor radius high casting speed continuous casting machine
2 fast hydraulic pressures are cut
3 cut rear roller-way
4 adjustable end stops
5 ejection roller ways
6 lateral machine for moving steel
7 fixed baffles
8 strands are heat-fed roller-way in groups
9 steel splitting machines
10 single cast blank conveying roller tables
11 wire and bar mills
12 water inlet supervisors
13 nozzle ring groups
131 long tubes
132 short tubes
133 nozzles
134 jet pipes
14 connecting tubes
15 water inlets
16 casting streams
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
Embodiment
As depicted in figs. 1 and 2, a kind of wire and rod continuous casting billet high speed direct sending directly rolls system, is mainly used for the life of wire and rod
During production, including the minor radius high casting speed continuous casting machine 1, the fast hydraulic pressure that are closely arranged successively cut 2, cut rear roller-way 3, ejection roller way
5, strand is heat-fed roller-way 8, single cast blank conveying roller table 10 and wire and bar mill 11 in groups；Ejection roller way 5 is heat-fed in groups with strand
Lateral machine for moving steel 6 or traverse displacement unit are provided between roller-way 8, strand is heat-fed roller-way 8 and single cast blank conveying roller table 10 in groups
Between be provided with steel splitting machine 9, strand collects in ejection roller way 5 to be moved into strand by lateral machine for moving steel 6 in groups and is heat-fed roller-way 8 in groups,
Groups of strand is divided into single strand and is transported to wire and bar mill 11 through single cast blank conveying roller table 10 by steel splitting machine 9 to be rolled
System.
Wherein, 1 radius of minor radius high casting speed continuous casting machine is 6m-8m；Pulling rate is more than 4m/min.High pulling rate crystallizer has low
Resistance cavity structure, efficient cooling water seam, copper pipe uniqueness corner structure is to ensure uniform cooling in crystallizer of strand and go out
Crystallizer casting blank shell thickness.It is equipped with cooling system, temperature is more than 980 DEG C before ensureing strand cutting, strand neat appearance, surface
It is superior in quality.Fast hydraulic pressure is closely set in 1 downstream of minor radius high casting speed continuous casting machine and cuts 2, reduce to greatest extent withdrawal straightening machine with it is fast
The distance of fast hydraulic shear 2 improves temperature when strand is cut；Fast hydraulic pressure cuts 2 on-line synchronous and cuts continuous-cast blank, quick side
Just, it is fast to cut speed, cuts success rate height, equipment failure rate is low, cuts the regular strand that do not influence of notch and rolls, conventional flame
Cutting needs one or two minutes, and fast hydraulic pressure cuts 2 and needs several seconds, shortens shear time, reduces temperature drop.
It is high speed roller-way wherein to cut rear roller-way 3, using frequency conversion or non-frequency, can strand be sent to ejection roller way 5 at a high speed.Go out
Blank roller way 5 is also high speed roller-way, and using frequency conversion or non-frequency, strand can collect in ejection roller way 5 laterally moves steel by high speed in groups
Machine 6 moves into strand and is heat-fed roller-way 8 in groups.5 region of ejection roller way forms the buffer zone of a strand.Strand is warm in groups
The side for sending roller-way 8 to be arranged in ejection roller way 5, the lateral machine for moving steel 6 of high speed are mounted on 5 overlying regions of ejection roller way, can be by ejection
Strand on roller-way 5 moves on to high speed strand and is heat-fed in groups on roller-way 8 in groups.It is high speed roller-way that strand is heat-fed roller-way 8 also in groups, is adopted
With frequency conversion or non-frequency, strand can be heat-fed in groups at quick steel splitting machine 9 at a high speed.
Strand is more in 5 region of ejection roller way and comes together, and strand is moved into strand in groups and is heat-fed roller-way 8 in groups
In the process and strand be heat-fed in groups strand on roller-way 8 be also more in groups, can make strand cooling slow in this way, reduce temperature
Degree loss, ensures temperature when follow-up rolling.
Further as shown in figure 3, the management for the ease of strand and the orderly adjusting that transports, in 5 region of ejection roller way
With cut the gate mechanism for being provided between rear roller-way 3 and entering and let pass for stopping strand.Gate rise when can stop strand into
Enter ejection roller way 5, the strand flowed where letting pass when falling enters ejection roller way 5, plays the role of strand and transport orderly to adjust.
5 front of ejection roller way is additionally provided with for by strand gear, in the fixed baffle 7 in 5 region of ejection roller way, front to be the shifting of strand
Dynamic direction, 5 rear of ejection roller way is then gate mechanism.
Gate mechanism is preferably the adjustable end stop 4 driven using hydraulic pressure or air pressure in this example, is controlled convenient for remote operation.Its
In cut that rear roller-way 3, ejection roller way 5, strand are heat-fed roller-way 8 in groups, single cast blank conveying roller table 10 is high speed roller-way, speed is controllable
System is in 30-60m/min.
After the high pulling rate of strand pulls out, after high temperature strand has fast hydraulic pressure to cut 2 shearings by certain scale, into cutting rear roller-way 3,
According to strand, radical requires to let pass strand into ejection roller way 5 adjustable end stop in groups, and the lateral machine for moving steel 6 of high speed is rapid by strand
Move to high speed strand and be heat-fed 8 gang conveying of roller-way in groups to mill, then by steel splitting machine 9 be divided into single strand be sent into milling train into
Row exempts from heating rolling.For the present invention to improve pulling rate, it is basic to improve strand to go out conticaster temperature；High temperature strand after shearing passes through
High speed is collected gang conveying and is sent to steel rolling rolling, and whole process temperature loss controls within the scope of less than 50 DEG C.
Further as shown in Figure 4 and Figure 5, it is provided with cooling sprayer on Small Radius high casting speed continuous casting machine 1, wrapped
Spraying mechanism and water inlet supervisor 12 are included, water inlet supervisor 12 supports spraying mechanism, key to be as fixing bracket simultaneously in this example：
Water inlet supervisor 12 is located at the inner arc side of casting stream 16, and spraying mechanism is used to carry out secondary cooling to strand, is mounted on water inlet supervisor
On 12, and it is connected to water inlet supervisor 12.
It is small to 12 damage of supervisor of intaking when the accidents such as bleed-out occur for conticaster since water inlet supervisor 12 is located at inner arc side, no
It influences conticaster and reorganizes production, easy for assemble or unload, fixing bracket is also water inlet supervisor 12 simultaneously, itself can be carried out cold
But, it is unlikely to deform.
Further, water inlet supervisor 12 is divided into multiple segmentations along casting 16 arc directions of stream, and each 12 segmentation of water inlet supervisor is up and down
Both ends are both provided with water inlet 15.Step-by-step arrangement, when it is a certain segmentation when something goes wrong, convenient for single split remove repair or more
It changes, without all removing or replacing entire mechanism.Each is segmented into a spraying zone, and each area is same using upper and lower water inlet 15
The mode of Shi Tongshui avoids cooling water from being unevenly distributed up and down.
Further as shown in figure 5, spraying mechanism is nozzle ring group 13,13 place plane of nozzle ring group is vertical with casting stream 16,
Nozzle ring group 13 is flowed to by close along strand to dilute distribution, and casts stream 16 by being passed through among nozzle ring group 13, is pacified in nozzle ring group 13
Equipped with multiple nozzles 133, nozzle ring group 13 is in eight-sided formation, including the alternately 4 root long pipes 131 and 4 short tubes 132 of connection,
The two root long pipes 131 close to inner arc side are connect by the connecting tubes 14 of Y types with water inlet supervisor 12, connecting tube 14 divide two passes and
Long tube 131 is connected to, and to ensure to be discharged uniformity, nozzle 133 is mounted on short tube 132, the folder of the short tube 132 and long tube 131
Angle is 120 °.
As shown in fig. 6, nozzle ring group can also be made of 8 isometric jet pipes 134, octagon structure, connection are formed
Pipe 14 is similarly Y types, and two-way is divided to be connect with jet pipe 134, on 133 installed therein four jet pipes 134 of nozzle, arranged for interval, and phase
The angle of adjacent jet pipe 134 is 120 °.
Further, for the ease of the installation and removal of nozzle ring group 13, nozzle 133 is threadedly coupled with nozzle ring group 13,
Connecting tube 14 and water inlet supervisor 12 and 13 grafting of nozzle ring group.The grafting is that the side of common pin and box sub docking can be used
Formula, simple in structure, nozzle ring group 13 is easily installed and dismantles, and component globality, integration degree are high, realize nozzle 133
Quick-replaceable.The aperture of nozzle 133 is more than or equal to 2mm.It is wide to be applicable in water quality range, is not easy to plug, 133 atomizing effect of nozzle is good,
Jet velocity is fast.
Above-mentioned spray equipment farthest improves the operating rate of billet caster, and slab cooling is uniform, improves casting
Base quality；The up-small and down-big non-uniform problem of two cold water spray top nozzle water spray of traditional square billet and bleed-out accident are avoided to spray
The problem of leaching system damages；Simple in structure, nozzle ring group 13 is convenient for disassembly and assembly, and fast, accurate positioning can greatly save dimension
The time is repaiied, the labor intensity of maintenance operation personnel is improved；Fixing bracket and water inlet supervisor 12 are fixed on inner arc side, not variable
Shape, not by bleed-out accident impact, the service life increases.Fixing bracket carries water cooling and is unlikely to deform, long lifespan.It is provided for the high pulling rate of square billet
Ensure, realizes the purpose of efficient high yield.
Present invention simultaneously provides a kind of straight rolling methods of wire and rod continuous casting billet high speed direct sending, using above-mentioned wire and rod continuous casting billet
High speed direct sending directly rolls system, the strand produced by minor radius high casting speed continuous casting machine 1 after fast hydraulic pressure cuts 2 cuttings by cutting after
Roller-way 3 is sent to ejection roller way 5, ejection roller way 5 and setting gate mechanism stops that strand enters and lets pass between cutting rear roller-way 3, is used
In the orderly adjusting that strand transports, 5 side of ejection roller way is arranged fixed baffle 7 and keeps off strand in 5 region of ejection roller way；Strand exists
After 5 region of ejection roller way is collected in groups, strand is moved by lateral machine for moving steel 6 and is heat-fed roller-way 8 in groups, reduces scattering and disappearing for heat, at
The strand of group is divided into single strand and is transported to wire and bar mill 11 through single cast blank conveying roller table 10 by steel splitting machine 9 exempt from adding
Hot rolling.
Its 1 radius of Small Radius high casting speed continuous casting machine is 6m-8m；Pulling rate is more than 4m/min；Strand is controlled by conticaster
Temperature is more than 980 DEG C before cutting.High temperature strand after shearing collects gang conveying by high speed and send to steel rolling rolling, whole process
Temperature loss controls within the scope of less than 50 DEG C.Shorten time of delivery by high pulling rate and high speed roller-way, reduces temperature drop；Strand exists
More convey in groups after ejection roller way 5, can also reduce temperature loss, ensure rolling quality.
Any person skilled in the art all can without violating the spirit and scope of the present invention carry out above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit with
All equivalent modifications completed under technological thought or change should be covered by the claim of the present invention.
Claims (8)
1. a kind of wire and rod continuous casting billet high speed direct sending directly rolls system, it is characterised in that：High pulling rate including being closely arranged successively connects
Casting machine, fast hydraulic pressure cut, cuts rear roller-way, ejection roller way, strand is heat-fed roller-way, single cast blank conveying roller table and wire and rod and rolls in groups
Machine；The ejection roller way and cut the gate mechanism for being provided between rear roller-way and entering and let pass for stopping strand；The ejection
Roller-way and strand are provided with lateral machine for moving steel between being heat-fed roller-way in groups, and the strand is heat-fed roller-way and is conveyed with single strand in groups
Steel splitting machine is provided between roller-way, strand collects in ejection roller way is heat-fed roller-way in groups by lateral machine for moving steel immigration strand in groups,
Groups of strand is divided into single strand and is transported to wire and bar mill through single cast blank conveying roller table by steel splitting machine to be rolled；Institute
State the fixed baffle being additionally provided in front of ejection roller way for by strand gear in ejection roller way region.
2. a kind of wire and rod continuous casting billet high speed direct sending according to claim 1 directly rolls system, it is characterised in that：The strand
Hot sending roller-way is arranged in the side of ejection roller way in groups, and the transverse direction machine for moving steel is arranged in above ejection roller way.
3. a kind of wire and rod continuous casting billet high speed direct sending according to claim 1 directly rolls system, it is characterised in that：The gate
Mechanism is the adjustable end stop driven using hydraulic pressure or air pressure.
4. a kind of wire and rod continuous casting billet high speed direct sending according to claim 1 directly rolls system, it is characterised in that：The high drawing
Fast conticaster radius is 6m-8m；Pulling rate is more than 4m/min；Rear roller-way, ejection roller way, the strand cut is heat-fed roller-way, list in groups
Root cast blank conveying roller table is frequency conversion roller-way.
5. a kind of wire and rod continuous casting billet high speed direct sending according to claim 1 directly rolls system, it is characterised in that：The high drawing
It is provided with secondary cooling spray equipment on fast conticaster, including spraying mechanism and is responsible for as support bracket fastened water inlet, it is described
Water inlet supervisor is located at the inner arc side of casting stream, and the spraying mechanism is mounted on water inlet supervisor, and is connected to water inlet supervisor；It is described into
Water supervisor is divided into multiple segmentations along casting stream arc direction, and each segmentation upper and lower ends are both provided with water inlet.
6. a kind of wire and rod continuous casting billet high speed direct sending according to claim 5 directly rolls system, it is characterised in that：The spray
Mechanism is nozzle ring group, and plane is vertical with casting stream where the nozzle ring group, and casts and flow by being passed through among nozzle ring group, nozzle ring
Multiple nozzles are installed, the nozzle ring group is in eight-sided formation, and the nozzle pitch is mounted on jet pipe, the jet pipe in group
Pass through connecting tube and water inlet supervisor's connection.
7. the straight rolling method of a kind of wire and rod continuous casting billet high speed direct sending, using a kind of bar described in claim 1-6 any one
Material continuous casting billet high speed direct sending directly rolls system, it is characterised in that：The strand that high casting speed continuous casting machine is produced is through rapid hydraulic cutting
It is sent to ejection roller way after cutting by cutting rear roller-way, ejection roller way and setting gate mechanism stops that strand enters and puts between cutting rear roller-way
Row, for the orderly adjusting that strand transports, ejection roller way side is arranged fixed baffle and keeps off strand in ejection roller way region；Strand
After ejection roller way region is collected in groups, strand is moved by lateral machine for moving steel and is heat-fed roller-way in groups, reduces scattering and disappearing for heat, in groups
Strand be divided into single strand by steel splitting machine and be transported to wire and bar mill through single cast blank conveying roller table and carry out exempting from heating rolling.
8. a kind of straight rolling method of wire and rod continuous casting billet high speed direct sending according to claim 7, it is characterised in that：The high drawing
Fast conticaster radius is 6m-8m；Pulling rate is more than 4m/min；Temperature is more than 980 before controlling strand cutting by high casting speed continuous casting machine
℃。
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| CN201610788869.6A CN106180192B (en) | 2016-08-31 | 2016-08-31 | A kind of wire and rod continuous casting billet high speed direct sending directly rolls system and method |
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| CN201610788869.6A CN106180192B (en) | 2016-08-31 | 2016-08-31 | A kind of wire and rod continuous casting billet high speed direct sending directly rolls system and method |
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| CN106180192B true CN106180192B (en) | 2018-10-19 |
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| CN107008750B (en) * | 2017-04-20 | 2019-10-11 | 中冶南方工程技术有限公司 | Bilateral road length material continuous casting and rolling production line and its production method |
| CN106984784B (en) * | 2017-05-11 | 2022-10-11 | 中冶华天南京工程技术有限公司 | Casting blank hot conveying system and method |
| CN107695100A (en) * | 2017-09-29 | 2018-02-16 | 四川德胜集团钒钛有限公司 | A kind of steel exempt from heating and directly roll system and method |
| CN107671120A (en) * | 2017-09-29 | 2018-02-09 | 四川德胜集团钒钛有限公司 | A kind of continuous casting and rolling production line |
| CN109622624B (en) * | 2019-01-24 | 2023-10-24 | 湖州永兴特种不锈钢有限公司 | Cooling device of hydraulic shear on continuous rolling mill |
| CN109702162A (en) * | 2019-03-06 | 2019-05-03 | 山东钢铁股份有限公司 | A kind of conticaster and its casting billet surface clearing apparatus |
| CN114074117A (en) * | 2020-08-18 | 2022-02-22 | 北京京诚瑞信长材工程技术有限公司 | Bar production line and size separation method and device applied to bar production line |
| CN112222207A (en) * | 2020-08-21 | 2021-01-15 | 河钢股份有限公司承德分公司 | Automatic hot-feeding and direct-rolling system of 6-flow square billet continuous casting machine |
| CN112122343B (en) * | 2020-09-09 | 2022-09-06 | 山西云时代太钢信息自动化技术有限公司 | Quick direct-feeding system platform for small-section casting blank |
| CN114934165A (en) * | 2022-05-27 | 2022-08-23 | 广西广盛新材料科技有限公司 | Automatic steel feeding and discharging method, device, terminal and medium for heating furnace of steel production line |
| CN115194110B (en) * | 2022-07-22 | 2023-09-08 | 重庆钢铁股份有限公司 | Automatic billet discharging system for continuous casting of billets and control method thereof |
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| JPS54153750A (en) * | 1978-05-26 | 1979-12-04 | Toshiba Corp | Method and apparatus for manufacturing metal molding |
| JPS57121806A (en) * | 1981-01-22 | 1982-07-29 | Nippon Steel Corp | Direct feed rolling device train |
| CN1640569A (en) * | 2004-01-12 | 2005-07-20 | 鞍钢集团新钢铁有限责任公司 | Direct rolling process for heavy-medium plate billet continuous casting-rolling mill set |
| CN103480647B (en) * | 2013-09-18 | 2016-03-23 | 陕西钢铁集团有限公司 | A kind of device and production method thereof of producing reinforcing bar without heating low temperature Direct Rolling small billet |
| CN105414185A (en) * | 2016-01-08 | 2016-03-23 | 中冶赛迪工程技术股份有限公司 | Continuous casting and rolling production line of wire rods and production method of production line |
| CN205988959U (en) * | 2016-08-31 | 2017-03-01 | 中冶赛迪工程技术股份有限公司 | A kind of wire and rod continuous casting billet high speed direct sending directly rolls system |
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