CN206763596U - The long material continuous casting and rolling production line of binary channels - Google Patents
The long material continuous casting and rolling production line of binary channels Download PDFInfo
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- CN206763596U CN206763596U CN201720418520.3U CN201720418520U CN206763596U CN 206763596 U CN206763596 U CN 206763596U CN 201720418520 U CN201720418520 U CN 201720418520U CN 206763596 U CN206763596 U CN 206763596U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 85
- 238000005096 rolling process Methods 0.000 title claims abstract description 85
- 238000009749 continuous casting Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 abstract description 6
- 230000000295 complement effect Effects 0.000 abstract description 2
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- 238000001816 cooling Methods 0.000 description 8
- 229910000851 Alloy steel Inorganic materials 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 1
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Abstract
It the utility model is related to roller-way and rolling mills after a kind of long material continuous casting and rolling production line of binary channels, including conticaster, quick insulating roller way, hot delivery and hot charging transportation system, heating furnace, stove area roller-way, stove；Roller-way and rolling mills are connected successively along strand traffic direction after conticaster, quick insulating roller way, stove area roller-way, stove forms short route production passage；Roller-way and rolling mills are connected successively along strand traffic direction after conticaster, hot delivery and hot charging transportation system, heating furnace, stove forms long flow production passage；Strand flow direction control mechanism is provided with ejection roller way.The long material continuous casting and rolling production line of binary channels provided by the utility model has two kinds of production passages of short route and long flow, and two kinds of production models can be switched fast, and production is flexible, and product broad covered area, market adaptability is strong, and production cost is low；Two kinds of production passages are complementary to one another, and switching is flexible, and equipment is simple, easy to implement, and the comprehensive method of investment is low.
Description
Technical field
The utility model belongs to metallurgical technology field, is related to the continuous casting and rolling production of long material, more particularly to a kind of binary channels
Long material continuous casting and rolling production line.
Background technology
Small-sized long material is typically using the production model of cold charge stove or hot delivery and hot charging, because continuous casting blank temperature is low, it is necessary to by adding
Hot stove could be rolled after reheating.The major defect of the production model has：First, energy consumption is huge, heating furnace burnup can account for
The 60%-70% of Energy Consumption of Rolling Process；Second, pollution is larger, heating furnace produces volume of smoke and waste gas；Third, lumber recovery is low, casting
Base heating process can produce about 1% oxidization burning loss.
To solve the above problems, it is proposed that cancel the continuous casting billet Direct Rolling production model of heating furnace.The production mould
Formula can save energy, reduce heating furnace discharge, reduce oxidization burning loss, but there is also it is obvious the shortcomings that：One is due to not heat
The heating of stove, steel billet temperature is relatively low, and section temperature skewness, is only used for production and less demanding to quality commonly builds
Material product, product line are limited larger, and market adaptability is on the weak side；Second, conticaster cutter device is arranged to be conventional, apart from straightening
Machine farther out, slab cooling time length, causes strand temperature low, influences directly to roll rate；Third, the production model will unavoidably produce
A small amount of cold base, and due to cancelling heating furnace, cold base can not digest, and influence the performance of enterprises.
Utility model content
The utility model embodiment is related to a kind of long material continuous casting and rolling production line of binary channels, can at least solve prior art
Segmental defect.
The utility model embodiment is related to the long material continuous casting and rolling production line of binary channels, including conticaster, quick insulating roller way,
Roller-way and rolling mills after hot delivery and hot charging transportation system, heating furnace, stove area roller-way, stove；Stove area roller-way is from the heating furnace
Inside pass through or be adjacently arranged in outside the heating furnace；The conticaster, which has, cuts rear roller-way and ejection roller way；The conticaster, institute
Roller-way and the rolling mills after quick insulating roller way, stove area roller-way, the stove are stated along strand traffic direction to be successively connected
Form short route production passage；After the conticaster, the hot delivery and hot charging transportation system, the heating furnace, the stove roller-way and
The rolling mills are connected successively along strand traffic direction forms long flow production passage；Strand is provided with the ejection roller way
Flow direction control mechanism.
As one of embodiment, the conticaster includes withdrawal straightening machine and strand cutter device, described in strand circulating direction
Strand cutter device is adjacently arranged in after the withdrawal straightening machine, and the cutting center line of the strand cutter device goes out with withdrawal straightening machine
The distance between mouth is in the range of 6~12m.
As one of embodiment, the conticaster is multimachine multiple-strand caster, and have per stream configuration a set of independent driving and
Rear roller-way is cut in control.
As one of embodiment, each rear roller-way and ejection roller way cut is driven using variable-frequency motor.
As one of embodiment, the strand flow direction control mechanism includes billet shift machine, at least one adjustable end stop and at least
One temperature measurer, each adjustable end stop are located at the ejection roller way end, and each temperature measurer is installed in described after cutting
On roller-way, the quantity of the adjustable end stop is identical with the fluxion of the conticaster and corresponds configuration, the number of the temperature measurer
Amount is identical with the fluxion of the conticaster and corresponds configuration；The billet shift machine is located above the ejection roller way, and has
Ejection roller way shift motion end and hot delivery and hot charging transportation system entrance shift motion end.
As one of embodiment, cold bed is disposed with the side of the ejection roller way, the billet shift machine also there is cold bed to move
Dynamic stroke end.
As one of embodiment, cold base feeding device is provided with before the heating furnace, the cold base feeding device is by entering stove
Roller-way is connected with the heating furnace.
The utility model embodiment at least has the advantages that：The long material continuous casting of binary channels provided by the utility model connects
Rolling production line has two kinds of production passages of short route and long flow, and two kinds of production models can be switched fast, and production is flexible, and product covers
Capping is wide, and market adaptability is strong, and production cost is low.Using short route passage, suitable for production carbon structural steels, low-alloy steel etc.
Common steel grade product, can cancel heating process, make full use of the metallurgical heat energy of continuous casting billet, substantially reduce production line energy consumption and pollution
Thing discharges；Billet oxidization burning loss is reduced, improves lumber recovery.Using long flow passage, suitable for production structural alloy steel, cold-heading
The fine steel grade product such as steel, bearing steel, pinion steel, spring steel, using hot delivery and hot charging+heating furnace heating technique, save the energy, production
Quality is good, while the configuration of heating furnace can properly settle short route passage and unavoidably produce that a small amount of cold base is reluctant asks
Topic.Two kinds of production passages of the utility model are complementary to one another, and switching is flexible, is not only suitable for grassroot project, is also applied for transformation project,
Equipment is simple, easy to implement, and the comprehensive method of investment is low.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1-Fig. 4 is four kinds of different arrangements of the long material continuous casting and rolling production line of binary channels that the utility model embodiment provides
Structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one
Such as Fig. 1-Fig. 4, the utility model embodiment provides a kind of long material continuous casting and rolling production line of binary channels, including conticaster
1st, roller-way 9 and rolling mills 11 after quick insulating roller way 7, hot delivery and hot charging transportation system, heating furnace 16, stove area roller-way 8, stove；Institute
State conticaster 1 have cut rear roller-way 4 and ejection roller way 5.Wherein, the conticaster 1, quick insulating roller way 7, the stove area
Roller-way 9 and the rolling mills 11 form short route production passage after roller-way 8, the stove, conticaster 1, quick insulating roller way 7,
The strand traffic direction of roller-way 9 and rolling mills 11 along short route production passage is connected successively after stove area roller-way 8, stove；It is described
Roller-way 9 and the rolling mills 11 form length after conticaster 1, the hot delivery and hot charging transportation system, the heating furnace 16, the stove
Flow produces passage, and roller-way 9 and rolling mills 11 are along the long stream after conticaster 1, hot delivery and hot charging transportation system, heating furnace 16, stove
The strand traffic direction of journey production passage is connected successively.Strand flow direction control mechanism, the strand are provided with the ejection roller way 5
Flow direction control mechanism is used for the switching of the production model corresponding to two production passages.
Specifically, above-mentioned conticaster 1 is preferably to use multimachine multiple-strand caster 1, i.e., often stream is separately provided mold oscillation
Device and withdrawal straightening machine etc., independent control, including independent cast, independent throwing, independent Length-fixing cutting etc. are often flowed, so as to by right
Each stream priority extracts the modes such as casting speed of dummy bar or each stream of adjustment and controls the priority ejection order of each stream is each in other words to flow
The priority cutting sequence of strand, such as form stepped casting stream.Above-mentioned conticaster 1 is preferably to use close-coupled arrangement, i.e., should
Conticaster 1 includes withdrawal straightening machine 2 and strand cutter device 3, and institute is adjacently arranged in along strand cutter device 3 described in strand circulating direction
After stating withdrawal straightening machine 2, the distance between cutting center line and the outlet of withdrawal straightening machine 2 of the strand cutter device 3 are preferably controlled
In the range of 6~12m, the straightening operation of continuous casting billet is not influenceed, while can be in time rapidly by each stream strand cut-out.It is above-mentioned compact
The arrangement of conticaster 1 of formula, it is ensured that cool time of continuous casting billet is short, temperature is high, reduces the load and power consumption of follow-up milling train.
In the present embodiment, above-mentioned conticaster 1 is preferably to use square billet or rectangle blank continuous caster 1.Above-mentioned strand cutter device 3 is preferably
, can fly-cutting strand using flame-cutting plant or hydraulic shear cutter device.
Above-mentioned conticaster 1, which there also is provided, cuts rear roller-way 4, cuts rear roller-way 4 and is arranged in after strand cutter device 3, wherein, respectively
Rear roller-way 4 of cutting after stream is preferably single current independent control, and is driven using variable-frequency motor, after to each stream cutting
The travelling speed of strand is controlled, with coordinate strand transport order between each stream strand and often adjacent two strand that flows it
Between spacing, such as formed it is stepped casting stream on the basis of, by respectively cut rear roller-way 4 control it is each stream strand transporting velocity with
And the spacing between adjacent two strand often flowed, to coordinate the order for controlling each strand to enter quick insulating roller way 7.Above-mentioned is each
Cut rear roller-way 4 and be respectively provided with rapid transit pattern and low speed Transportation Model, in the present embodiment, under rapid transit pattern, respectively cut back roller
The roll surface speed in road 4 is 1.0~3.5m/s, and under low speed Transportation Model, the roll surface speed for respectively cutting rear roller-way 4 is 0~1.0m/
s.In addition, cutting the rear top of roller-way 4 is provided with stay-warm case, further reduce the temperature drop of strand.
Above-mentioned conticaster 1 there also is provided ejection roller way 5, the ejection roller way 5 is arranged in cut rear roller-way 4 after；Wherein, this goes out
Blank roller way 5 is preferably driven using variable-frequency motor, and the beneficial effect that can be played cuts rear roller-way 4 using variable-frequency motor driving with above-mentioned
Beneficial effect it is identical, be omitted herein.In the present embodiment, above-mentioned ejection roller way 5 is preferably to use long roller；Above-mentioned ejection roller way 5
With rapid transit pattern and low speed Transportation Model, in the present embodiment, under rapid transit pattern, the roll surface line of each ejection roller way 5
Speed is 1.0~3.5m/s, and under low speed Transportation Model, the roll surface speed of each ejection roller way 5 is 0~1.0m/s.
Above-mentioned quick insulating roller way 7 is connected with the ejection roller way 5 of conticaster 1, is preferably directly connected in the ejection roller way 5
Afterwards, respectively stream strand can be transported by ejection roller way 5 to the quick insulating roller way 7.The quick insulating roller way 7 is front wide and rear narrow,
According to yield matching cover Multi-strand Continuous Casting base, roller-way is driven using variable-frequency motor, and climbing section and turning are provided with according to horizontal layout
Section, roller-way top are provided with attemperator.Specifically, on the quick insulating roller way 7, the patent applied in addition in applicant (bag
Include the patent of Application No. 2014107006314 and Application No. 201510928844.7) in relate to, it is no longer superfluous herein
State.
Above-mentioned hot delivery and hot charging transportation system includes hot sending roller-way 12 and enters furnace roller road 15, wherein, hot sending roller-way 12 is arranged in
By ejection roller way 5, for being connected with ejection roller way 5, the hot sending roller-way 12 can have two kinds of patterns：Narrow roller-way, realize strand list
Root is heat-fed, and correspondingly, the hot sending roller-way 12 is also configured with steel splitting machine, and single strand is sent into the hot sending roller-way 12 by steel splitting machine
It is interior；Wide roller-way, realize more hot sendings of strand.In the present embodiment, held in the mouth between ejection roller way 5 and hot sending roller-way 12 by billet shift machine
Connect, i.e., the strand on ejection roller way 5 is sent into hot sending roller-way 12 by billet shift machine, wherein, during using single hot sending, cast in groups
Base delivers to steel splitting machine by billet shift machine, and single be sent into is heat-fed roller-way 12 after steel splitting；When being heat-fed using more, strand is by billet shift machine in groups
It is sent into hot sending roller-way 12.Further, being heat-fed roller-way 12 and entering can be lifted between furnace roller road 15 or traverse displacement unit 13 by steel billet
Linking, steel billet lifting or traverse displacement unit 13 are set according to steel rolling production-line layout pattern, if steel rolling production-line uses overhead system cloth
Put, then steel billet lifting device is set, single be promoted on scaoffold of steel billet is entered into furnace roller road 15；If steel rolling production-line uses
Ground type is arranged, then sets steel billet traverse displacement unit 13, is sent into steel billet is single into furnace roller road 15.It is above-mentioned enter furnace roller road 15 before also
Cold blank feeding rack 14 can be arranged, after the cold base that need to enter in heating furnace 16 can be transported to the cold blank feeding rack 14, then through entering
Furnace roller road 15 is sent into heating furnace 16 and heated.
Above-mentioned heating furnace 16 is preferably to use walking beam furnace 16 or pusher-type furnace 16.The cloth of roller-way 9 after above-mentioned stove
Be placed in the outlet side of heating furnace 16, preferably driven using variable-frequency motor, in the present embodiment, its roll surface speed can 0~
Adjusted in the range of 1.5m/s.High pressure water descaling device can be set in the leading portion (such as roller-way entrance) of roller-way 9 after the stove, after the stove
The settable useless base device for eliminating 10 of the back segment of roller-way 9.
Such as Fig. 1-Fig. 4, the quick insulating roller way 7 is connected by stove area roller-way 8 with roller-way 9 after the stove, above-mentioned stove area
Roller-way 8 is to be arranged in the roller-way near heating furnace 16 so that roller-way 9 can both receive short route production passage Zhong Lu areas roller-way after stove
The steel billet of 8 outputs, the steel billet that heating furnace 16 exports in long flow production passage can be received again, on the one hand, can save space and treasured
Expensive place resource, on the other hand so that a rolling mills 11 coordinate matching two kinds of production models of short route and long flow, contracting
The transport that short strand is between quick insulating roller way 7 and rolling mills 11 or strand is between heating furnace 16 and rolling mills 11 away from
From.Above-mentioned stove area roller-way 8 can take following structure pattern：(1) come out of the stove hanging arm roll using heating furnace so that strand is from adding
Passed through in hot stove 16, Ji Gailu areas roller-way 8 is come out of the stove hanging arm roll including heating furnace, and heating furnace hanging arm roll one end of coming out of the stove passes through
One section of linking roller-way is connected with quick insulating roller way 7, and the other end is connected by one section of linking roller-way with roller-way after stove 9, two sections of ranks
Roller-way is connect to be located on the furnace wall of heating furnace 16；(2) the stove area roller-way 8 bypasses outside heating furnace 16, and such case can be independent
Roller-way is set, heating furnace can also be used and come out of the stove hanging arm roll, heating furnace hanging arm roll of coming out of the stove is included outside heating furnace 16
Stove outer portion and the furnace interior point in heating furnace 16, the stove outer portion form above-mentioned stove area roller-way 8.
Roller-way 9 is both preferably after above-mentioned stove area roller-way 8 and stove is driven using variable-frequency motor.
Continue the structure of above-mentioned production line, and above-mentioned strand flow direction control mechanism includes billet shift machine, at least one adjustable end stop
And at least one temperature measurer, each adjustable end stop are located at the end of ejection roller way 5, each temperature measurer, which is installed in, cuts back roller
On road, the quantity of the adjustable end stop is identical with the fluxion of the conticaster 1 and corresponds configuration；The quantity of temperature measurer and company
The fluxion of casting machine 1 is identical and corresponds configuration, and the billet shift machine has ejection roller way 5 positioned at the top of ejection roller way 5
Shift motion end and hot delivery and hot charging transportation system entrance shift motion end.By above-mentioned adjustable end stop, can aid in controlling continuous casting billet
Single ejection and the switching for carrying out short route production model and long two kinds of production models of flow production model.Further, in
The side of the ejection roller way 5 is disposed with cold bed 6, and the cold bed 6 is preferably the remote hot delivery and hot charging fortune for being arranged in the ejection roller way 5
The side of defeated system, corresponding strand can be transferred on cold bed 6 by the billet shift machine of strand flow direction control mechanism.When steel rolling is given birth to
During producing line temporary stoppage, continuous casting machine-cut back roller road 4 and the reduction of speed of ejection roller way 5, the end adjustable end stop of ejection roller way 5 rise, continuous casting
Base enters 6 offline cooling of turn over cooling bed in ejection roller way 5 by machine for moving steel.The steel billet of cooling can be delivered on cold base by crane etc.
Expect stand 14, by enter furnace roller road 15 be sent into heating furnace 16 heat after be re-fed into rolling mills 11 and rolled.
Above-mentioned rolling mills 11 refer to small-sized long product rolling unit, can be bar, wire rod or section rolling production line, roll
Line arranges there is low temperature open rolling ability in continous way, is arranged using overhead system arrangement or ground type.
Embodiment two
The present embodiment is related to a kind of production method of long material continuous casting and rolling, and this method is based on provided in above-described embodiment one
The long material continuous casting and rolling production line of binary channels produced, this method includes：
The information such as steel grade, production specification and the production schedule are obtained, it is determined that still being used using short route production passage
The long flow production passage；Mainly whether selected according to the steel grade produced into heating furnace 16；Wherein, above-mentioned long material
Mainly include the steel grades such as bar, wire rod, section bar, short route production passage is applied to the ordinary steels such as carbon structural steels, low-alloy steel
Kind product (spiral such as building), can cancel heating process, make full use of the metallurgical heat energy of continuous casting billet, substantially reduce life
Producing line energy consumption and pollutant emission, reduce billet oxidization burning loss；Long flow production passage is applied to production structural alloy steel, cold-heading
The fine steel grade product such as steel, bearing steel, pinion steel, spring steel, using the heating technique of hot delivery and hot charging+heating furnace 16, the energy is saved,
Good product quality.
When producing passage using short route, comprise the following steps：
Step a, according to the product specification and mill speed of rolling mills 11, rolling cycle and hourly output are calculated, and really
Continuous casting billet fluxion N (the total fluxion M of N≤conticaster), casting speed and the cut lengths L that the fixed and rolling mills 11 match；
Step b, the conticaster 1 form stair-stepping N number of casting stream, the N of the stepped ejection in a manner of stepped ejection
In individual casting stream, along strand traffic direction, the spacing between adjacent two castings stream termination is 0.8L/N~1.2L/N, namely this is stepped
N number of casting stream in, ladder ensures N number of casting stream ejection successively, so as to ensure each single strand at intervals of 0.8L/N~1.2L/N
Sequentially enter by quick insulating roller way 7；Sequentially each casting is flowed into by infrared scale system and strand cutter device 3
The quick fixed ruler cutting of row.
Wherein, above-mentioned conticaster 1 be preferably multimachine multiple-strand caster 1 and per stream configuration have it is a set of cut rear roller-way 4, each stream is cut
The independent driving of roller-way 4 and control afterwards.Further preferably, rear roller-way 4 and ejection roller way 5 is respectively cut to drive using variable-frequency motor,
And rapid transit pattern and low speed Transportation Model are respectively provided with, wherein, preferably, the roll surface under the rapid transit pattern of each roller-way
Linear velocity is 1.0~3.5m/s, and the roll surface speed under the low speed Transportation Model of each roller-way is 0~1.0m/s.Given birth in short route
It is above-mentioned respectively to cut rear roller-way 4 and ejection roller way 5 and use fast mode under production pattern, each strand is raised speed.
Step c, each strand sequentially enters the quick insulating roller way 7 and conveyed at a high speed, then enters via roller-way 9 after the stove
Rolling mills 11 are rolled；
When producing passage using long flow, comprise the following steps：
Step 1, it is each to flow the free throwing of strand, each casting stream is carried out by strand cutter device 3 after arrival cutting position fast
Speed cut-out, it is described to cut rear roller-way 4 and the ejection roller way 5 using low-speed mode transport strand；
Step 2, strand is set to enter the hot delivery and hot charging transportation system by the strand flow direction control mechanism；The heat
Send hot charging transportation system that strand is sent into heating furnace 16 to heat；
Step 3, strand are rolled after heating furnace 16 is come out of the stove, via roller-way 9 after the stove into rolling mills 11.
It is further preferred that in above-mentioned steps b, (temperature measurer is mainly passed through to each strand progress thermometric of N number of casting stream
Carry out thermometric), when strand temperature >=850 DEG C, strand flow direction control mechanism controls the strand to the quick side of insulating roller way 7
To advance (the adjustable end stop automatic or manual of the end of ejection roller way 5 corresponded in above-described embodiment one is fallen)；When strand temperature
When spending 850 DEG C of ＜, the strand flow direction control mechanism controls the offline cooling (ejection corresponded in above-described embodiment one of the strand
The adjustable end stop of the end of roller-way 5 is risen, corresponding to cut the rear use of roller-way 4 low speed Transportation Model, and strand is transported to ejection roller way 5,
6 offline cooling of cold bed is transferred to through billet shift machine).The total fluxion of conticaster is M, except above-mentioned N number of casting stream, such as N are less than M, then remaining
M-N branch casting stream the offline cooling of each strand.
Further, it is sent into the heating furnace 16 after heating, then is passed through using cold base caused by short route production passage
Rolled by roller-way 9 after the stove into rolling mills 11.
The utility model is further described below in conjunction with specific embodiment：
Embodiment three
As shown in figure 1, the present embodiment provides a kind of long material continuous casting and rolling production line of binary channels, including conticaster 1, quick guarantor
Warm roller-way 7, hot sending roller-way 12, steel billet lifting device, cold blank feeding rack 14, enter furnace roller road 15, heating furnace 16, stove area roller-way 8,
Roller-way 9, useless base device for eliminating 10 and rolling mills 11 after stove, there are two kinds of production passages of short route and long flow；Short route leads to
Road includes the conticaster 1 being sequentially arranged, quick insulating roller way 7, stove area roller-way 8, roller-way 9, useless base device for eliminating 10 and rolled after stove
Steel unit 11；Long flow passage include be sequentially arranged conticaster 1, hot sending roller-way 12, steel billet lifting device, enter furnace roller road 15,
Roller-way 9, useless base device for eliminating 10 and rolling mills 11 after heating furnace 16, stove；Conticaster 1 is that 5 machines 5 flow billet caster 1, is often flowed
Independent control, casting blank cross-section size are 150mm × 150mm, 6~12m of cut lengths, 1.5~3.5m/min of casting speed；Continuous casting
Machine 1 has two kinds of production models, and can be switched fast, and conticaster 1 is arranged using close-coupled, and strand cutter device 3 uses hydraulic pressure
Cut, be compactly arranged in after withdrawal straightening machine 2, cutting center line exports about 8m away from withdrawal straightening machine 2；Conticaster 1 is provided with mold liquid level
Automatic control system and ejection control system etc., realize under short route pattern to each stream strand casting speed, time interval away from
From the On-line Control with single quick ejection；Continuous casting machine-cut back roller road 4 is driven using variable-frequency motor, roll surface speed scope 0.02
~1.5m/s, independent control is often flowed, stay-warm case, roll surface absolute altitude ± 0.0m are provided with above roller-way；Ejection roller way of continuous casting machine 5 is using length
Roller, driven using variable-frequency motor, roll surface speed 0.4~1.5m/s of scope, end is provided with 5 sets of adjustable end stops, for aiding in controlling
The single ejection of continuous casting billet processed and switching production model.Cold blank feeding rack 14, heating furnace 16 and rolling mills 11 are arranged in+5.0m
On scaoffold, roll line absolute altitude+5.8m.Quick insulating roller way 7 is driven using variable-frequency motor, 0~3.5m/s of velocity interval, point
3 groups of controls, roller-way top are provided with attemperator, and roller-way width is gradually decrease to about 400mm, wherein inlet roller way by about 6000mm
Using long roller arranged crosswise, 5 stream strands can be received, complete 2 automatic turnings in strand high speed course of conveying, and gradually from ±
0.0m rises to+5.8m.Stove area roller-way 8 is come out of the stove hanging arm roll using heating furnace, is passed through out of stove, is driven using variable-frequency motor,
0~1.5m/s of velocity interval.It is heat-fed roller-way 12 and uses narrow roller-way, realizes the single hot sending of strand, roller-way width about 400mm, roll surface
Linear velocity about 1.5m/s, roll surface absolute altitude about+800mm.Steel billet lifting device is promoted to scaoffold by steel billet is single, and be sent into
Furnace roller road 15.Heating furnace 16 is walking beam furnace 16, specified hourly output 160t/h.Roller-way 9 is driven using variable-frequency motor after stove
Dynamic, roll surface speed 0~1.5m/s of scope, roller-way leading portion is provided with high pressure water descaling device, and roller-way back segment is provided with useless base and rejects dress
Put 10.Rolling mills 11 are small rod production line, and 800,000 tons/year of annual production, major product is 12~40mm of Φ spiral shells for building
Line reinforcing bar and high-quality smooth pole material, rolling line set 18 frame high rigidity short stress path rolling mills, arranged in continous way, maximum mill speed altogether
18m/s, there is low temperature open rolling ability, minimum 850 DEG C of start rolling temperature of permission.
The present embodiment also provides a kind of binary channels long material continuous casting and tandem rolling production method, including 2 kinds of production models：
(1) short route production model
The mill runs such as spiral for building are produced using short route channel organization, including 6 steps：Step 1：Root
According to the product specification of rolling mills 11 and mill speed, by taking the product of Φ 16mm × 3 as an example, mill speed 10.9m/s, rolling is calculated
Cycle is 40s, and steel rolling theory hourly output is 160t/h, determines matched continuous casting billet fluxion n=5, casting speed v=
The technological parameters such as 2.7m/min, cut lengths 9m；Step 2：Conticaster 1 forms stair-stepping casting stream, often when pouring into a mould beginning
L, L=1.8m separated by a distance before and after stream caster base, realize continuous casting billet single stagger the time order cutting, quick ejection, ejection week
Phase is 40s, is matched with the rolling cycle；Step 3：When certain stream caster base reaches Length-fixing cutting position, it will be cast by cutter device 3
Base fast shut-off, cut rear roller-way 4 and ejection roller way 5 and use fast mode, gradually raised speed through roller-way after single strand cut-out to
Quick ejection after 1.5m/s, into quick insulating roller way 7；Step 4：Strand is high in the quick insulating roller way 7 with attemperator
Speed conveying, speed of service 1.5m/s~3.5m/s, while automatic turning and climbing are carried out, and by strand tracking system to strand
It is tracked and temperature monitoring；Step 5：Strand roller-way 9 after stove area roller-way 8, stove reaches 1H inlet of rolling mill, is progressively decelerated to about
Pyrometer is provided with before 0.3m/s, 1H milling train, strand temperature is detected, the strand of centre of surface temperature >=850 DEG C directly enters
Enter milling train to be rolled, otherwise rejected by useless base device for eliminating 10 offline, strand is no more than 2 from open rolling, haulage time is cut to
Minute；Step 6：When the roll change of rolling mills 11 changes groove, accident occurs, continuous casting machine-cut back roller road 4 and ejection roller way 5 switch to
Low-speed mode, the end adjustable end stop of ejection roller way 5 are risen, and continuous casting billet is entered under turn over cooling bed 6 in ejection roller way 5 by machine for moving steel
Line cools down.
(2) long flow production model
The high-quality light circle bar product such as structural alloy steel, cold-forging steel, bearing steel, pinion steel, spring steel, is led to using long flow
Road tissue production, including 6 steps：Step 1：5 stream strands each independently cast, throwing, Length-fixing cutting, cut lengths 12m,
Casting speed 2.7m/min, respectively it is free from each other between stream；Step 2：Cut rear roller-way 4 and ejection roller way 5 and use low-speed mode, roller
Upper thread speed about 0.5m/s, the end adjustable end stop of ejection roller way 5 rise, and each flow after strand is cut off enters ejection roller way 5, collects 5
Removed after root by billet shift machine；Step 3：One group of strand delivers to steel splitting machine by billet shift machine, and single be sent into is heat-fed roller-way 12 after steel splitting；
Step 4：Strand enters furnace roller road 15 by single be promoted on scaoffold of steel billet elevator, is heated into heating furnace 16；Step
Five：The heated stove 16 of strand is come out of the stove after being heated to 1050~1200 DEG C, is removed scale on surface through high pressure water descaling device, is entered
Enter milling train to be rolled, heat unqualified steel billet rejected by useless base device for eliminating 10 it is offline.Step 6：It is more caused by conticaster 1
A small amount of cold base, is hoisted to cold blank feeding rack 14 by crane, enters through entering furnace roller road 15 caused by waste cold base or short route pattern
After heating furnace 16 heats, rolled.
Example IV
As shown in Fig. 2 the present embodiment provides a kind of long material continuous casting and rolling production line of binary channels, including conticaster 1, quick guarantor
Warm roller-way 7, hot sending roller-way 12, steel billet traverse displacement unit 13, cold blank feeding rack 14, enter furnace roller road 15, heating furnace 16, stove area roller-way
8th, roller-way 9, useless base device for eliminating 10 and rolling mills 11 after stove, there are two kinds of production passages of short route and long flow；Short route
Passage includes roller-way 9, the useless and of base device for eliminating 10 after the conticaster 1 being sequentially arranged, quick insulating roller way 7, stove area roller-way 8, stove
Rolling mills 11；Long flow passage includes the conticaster 1 being sequentially arranged, hot sending roller-way 12, steel billet traverse displacement unit 13, enters furnace roller road
15th, roller-way 9, useless base device for eliminating 10 and rolling mills 11 after heating furnace 16, stove.Unlike above-described embodiment three, cold base
Feeding skid 14, heating furnace 16 and rolling mills 11 are arranged on ± 0.0m ground, roll line absolute altitude+800mm.Short route passage
In, strand is risen to+800mm by quick insulating roller way 7 by ± 0.0m；It is single after strand steel splitting to enter heat in long flow passage
Roller-way 12 is sent, it is traversing to furnace roller road 15 is entered through steel billet traverse displacement unit 13, heated into heating furnace 16.
Embodiment five
As shown in figure 3, the present embodiment provides a kind of long material continuous casting and rolling production line of binary channels, including conticaster 1, quick guarantor
Warm roller-way 7, hot sending roller-way 12, steel billet traverse displacement unit 13, cold blank feeding rack 14, enter furnace roller road 15, heating furnace 16, stove area roller-way
8th, roller-way 9, useless base device for eliminating 10 and rolling mills 11 after stove, there are two kinds of production passages of short route and long flow；Short route
Passage includes roller-way 9, the useless and of base device for eliminating 10 after the conticaster 1 being sequentially arranged, quick insulating roller way 7, stove area roller-way 8, stove
Rolling mills 11；Long flow passage includes the conticaster 1 being sequentially arranged, hot sending roller-way 12, steel billet traverse displacement unit 13, enters furnace roller road
15th, roller-way 9, useless base device for eliminating 10 and rolling mills 11 after heating furnace 16, stove.Unlike above-described embodiment three, steel billet
After the conveying of quick insulating roller way 7, into stove area roller-way 8, stove area roller-way 8 is disposed closely to the outside of heating furnace 16, by steel billet from
The outer roller-way 9 after stove is sent into later of heating furnace 16.
Embodiment six
As shown in figure 4, the present embodiment provides a kind of long material continuous casting and rolling production line of binary channels, including conticaster 1, quick guarantor
Warm roller-way 7, hot sending roller-way 12, steel billet traverse displacement unit 13, cold blank feeding rack 14, enter furnace roller road 15, heating furnace 16, stove area roller-way
8th, roller-way 9, useless base device for eliminating 10 and rolling mills 11 after stove, there are two kinds of production passages of short route and long flow；Short route
Passage includes roller-way 9, the useless and of base device for eliminating 10 after the conticaster 1 being sequentially arranged, quick insulating roller way 7, stove area roller-way 8, stove
Rolling mills 11；Long flow passage includes the conticaster 1 being sequentially arranged, hot sending roller-way 12, steel billet traverse displacement unit 13, enters furnace roller road
15th, roller-way 9, useless base device for eliminating 10 and rolling mills 11 after heating furnace 16, stove.Unlike above-described embodiment three, cold base
Feeding skid 14, heating furnace 16 and rolling mills 11 are arranged on+5.0m scaoffolds, roll line absolute altitude+5.8mm.Short route
In passage, strand is risen to+5.8mm by quick insulating roller way 7 by ± 0.0m；In long flow passage, after strand steel splitting it is single enter
Enter to be heat-fed roller-way 12, be promoted into furnace roller road 15 through steel billet lifting device is single, heated into heating furnace 16.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (7)
- A kind of 1. long material continuous casting and rolling production line of binary channels, it is characterised in that：Including conticaster, quick insulating roller way, hot sending heat Roller-way and rolling mills after dress transportation system, heating furnace, stove area roller-way, stove；Stove area roller-way passes through out of described heating furnace Or it is adjacently arranged in outside the heating furnace；The conticaster, which has, cuts rear roller-way and ejection roller way；Roller-way and the rolling mills are along strand after the conticaster, quick insulating roller way, stove area roller-way, the stove Traffic direction is connected successively forms short route production passage；Roller-way and the casting of rolling mills edge after the conticaster, the hot delivery and hot charging transportation system, the heating furnace, the stove Base traffic direction is connected successively forms long flow production passage；Strand flow direction control mechanism is provided with the ejection roller way.
- 2. the long material continuous casting and rolling production line of binary channels as claimed in claim 1, it is characterised in that：The conticaster includes straightening Machine and strand cutter device, along after strand cutter device is adjacently arranged in the withdrawal straightening machine described in strand circulating direction, and institute The distance between cutting center line and withdrawal straightening machine outlet of strand cutter device are stated in the range of 6~12m.
- 3. the long material continuous casting and rolling production line of binary channels as claimed in claim 1 or 2, it is characterised in that：The conticaster is more Machine multiple-strand caster, and have per stream configuration a set of independent drive and rear roller-way is cut in control.
- 4. the long material continuous casting and rolling production line of binary channels as claimed in claim 3, it is characterised in that：Rear roller-way and institute are cut described in each Ejection roller way is stated to drive using variable-frequency motor.
- 5. the long material continuous casting and rolling production line of binary channels as claimed in claim 1, it is characterised in that：The strand traffic organising machine Structure includes billet shift machine, at least one adjustable end stop and at least one temperature measurer, and each adjustable end stop is located at the ejection roller Road end, each temperature measurer be installed in it is described cut on rear roller-way, the quantity of the adjustable end stop and the stream of the conticaster Number is identical and corresponds configuration, and the quantity of the temperature measurer is identical with the fluxion of the conticaster and corresponds configuration；Institute State billet shift machine to be located above the ejection roller way, and moved with ejection roller way shift motion end and hot delivery and hot charging transportation system entrance Dynamic stroke end.
- 6. the long material continuous casting and rolling production line of binary channels as claimed in claim 5, it is characterised in that：In the one of the ejection roller way Side is disposed with cold bed, and the billet shift machine also has cold bed shift motion end.
- 7. the long material continuous casting and rolling production line of binary channels as claimed in claim 6, it is characterised in that：It is provided with before the heating furnace cold Base feeding device, the cold base feeding device are connected by entering furnace roller road with the heating furnace.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107008750A (en) * | 2017-04-20 | 2017-08-04 | 中冶南方工程技术有限公司 | The long material continuous casting and rolling production line of binary channels and its production method |
| CN109332626A (en) * | 2018-11-06 | 2019-02-15 | 中冶连铸技术工程有限责任公司 | Hot delivering technology of CC billets directly rolls automatic ejection apparatus and method for |
| CN110303047A (en) * | 2019-07-08 | 2019-10-08 | 东北大学 | A continuous casting hot core rolling system and method |
| CN110877049A (en) * | 2019-12-16 | 2020-03-13 | 钢铁研究总院 | Temperature equalizing method for high-temperature billet passing through heating furnace |
| CN111659866A (en) * | 2020-07-30 | 2020-09-15 | 北京中远通科技有限公司 | Knockout control method and knockout control equipment for continuous casting production |
| CN112275810A (en) * | 2020-10-23 | 2021-01-29 | 重庆水泵厂有限责任公司 | Hot rolling production system combining descaling and removing |
| CN112453054A (en) * | 2020-09-21 | 2021-03-09 | 河钢股份有限公司承德分公司 | Continuous casting billet rolling system |
| CN114309514A (en) * | 2022-01-06 | 2022-04-12 | 宝武集团鄂城钢铁有限公司 | System and method for hot feeding and hot charging integrated production of continuous casting steel billet |
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| CN107008750A (en) * | 2017-04-20 | 2017-08-04 | 中冶南方工程技术有限公司 | The long material continuous casting and rolling production line of binary channels and its production method |
| 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 |
| CN109332626A (en) * | 2018-11-06 | 2019-02-15 | 中冶连铸技术工程有限责任公司 | Hot delivering technology of CC billets directly rolls automatic ejection apparatus and method for |
| CN110303047A (en) * | 2019-07-08 | 2019-10-08 | 东北大学 | A continuous casting hot core rolling system and method |
| CN110877049A (en) * | 2019-12-16 | 2020-03-13 | 钢铁研究总院 | Temperature equalizing method for high-temperature billet passing through heating furnace |
| CN110877049B (en) * | 2019-12-16 | 2021-10-29 | 钢铁研究总院 | Temperature equalizing method for high-temperature billet passing through heating furnace |
| CN111659866A (en) * | 2020-07-30 | 2020-09-15 | 北京中远通科技有限公司 | Knockout control method and knockout control equipment for continuous casting production |
| CN111659866B (en) * | 2020-07-30 | 2022-03-08 | 北京中远通科技有限公司 | Knockout control method and knockout control equipment for continuous casting production |
| CN112453054A (en) * | 2020-09-21 | 2021-03-09 | 河钢股份有限公司承德分公司 | Continuous casting billet rolling system |
| CN112275810A (en) * | 2020-10-23 | 2021-01-29 | 重庆水泵厂有限责任公司 | Hot rolling production system combining descaling and removing |
| CN114309514A (en) * | 2022-01-06 | 2022-04-12 | 宝武集团鄂城钢铁有限公司 | System and method for hot feeding and hot charging integrated production of continuous casting steel billet |
| CN114309514B (en) * | 2022-01-06 | 2023-06-02 | 宝武集团鄂城钢铁有限公司 | System and method for continuous casting billet hot delivery and hot charging integrated production |
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