CN105665662B - Flux-cored wire based on ESP lines steel making method - Google Patents
Flux-cored wire based on ESP lines steel making method Download PDFInfo
- Publication number
- CN105665662B CN105665662B CN201610133773.6A CN201610133773A CN105665662B CN 105665662 B CN105665662 B CN 105665662B CN 201610133773 A CN201610133773 A CN 201610133773A CN 105665662 B CN105665662 B CN 105665662B
- Authority
- CN
- China
- Prior art keywords
- hot rolled
- steel
- continuous casting
- flux
- esp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
-
- 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
- B21B1/463—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 in a continuous process, i.e. the cast not being cut before rolling
Abstract
The present invention provides a kind of steel making method of the flux-cored wire based on ESP lines, including：The steel-making stage：Molten steel is formed by blast-melted after desulfurization, converter smelting, refining and vacuum circulation degassing successively；The ESP continuous casting and rolling stages：Continuous casting and rolling is carried out based on the molten steel that ESP lines form the stage of steel-making and forms Thin Specs hot rolled strip；Cooling stage：The Thin Specs hot rolled strip that the ESP continuous casting and rolling stages are formed carries out section cooling；Coil ing one：The Thin Specs hot rolled strip after section cooling will be carried out to carry out batching to form drum hot rolled coil；Pickling stages：The drum hot rolled coil that coil ing one is batched carries out pickling；The smooth rewinding stage：Hot rolled coil after pickling is subjected to smooth and rewinding and obtains flux-cored wire steel.Energy resource consumption can be reduced by the present invention, recovery rate of iron is improved, production cost is reduced.
Description
Technical field
The present invention relates to metallurgical technology field, more specifically, it is related to a kind of flux-cored wire steel making based on ESP lines
Method.
Background technology
Flux-cored wire is also referred to as flux cored wire, is the class consumable material dedicated for welding in powder core wire.Medicine core is welded
Silk is made up of metal sheath and powder core two parts, and the material of crust, which can select mild steel, stainless steel, aluminium, copper, zinc etc., to be had necessarily
The material of ductility, the material of core can select each metalloid or non-metal powder in very large range according to the need for product purpose
End, mineral powder, chemical products and nano material etc..
At present, production flux-cored wire is cold-rolled strip with the primary raw material of steel, and it is typically on forming machine by cold-rolled strip
Continuous roll-forming, and synchronously add medicinal powder, then on linear drawing machine draw tube reducing to finished product welding wire.Wherein, general root
According to the width and thickness of the variety selection cold-rolled strip of production flux-cored wire.
Wherein, traditional production flux-cored wire is with the idiographic flow of steel：High-quality is blast-melted → KR desulfurization → converter smelting
Refining → LF refining → RH degassings → continuous casting → strand reheating → roughing → finish rolling → section cooling → batches → and pickling → cold
Roll → anneal → smooth → rewinding → sampling → inspection → packaging → storage.
Can be seen that by above-mentioned flow needs strand reheating during traditional production flux-cored wire, warp
Crossing after the processes such as roughing, finish rolling will also cool down again, on the one hand, this can cause the recovery rate of metal to decline, and increase production cost；
On the other hand, the process of traditional production flux-cored wire needs heating cooling, reheating to cool down again, and therefore, this can increase the energy
Consumption, increase greenhouse gases and pernicious gas discharge, cause environmental pollution；Also, due to needing according to flux-cored wire
The width and thickness of variety selection cold-rolled strip, therefore, the consumption of flux-cored wire special steel strip is with the increase of flux-cored wire
Increase rapidly, this undoubtedly can also increase the cost of production flux-cored wire.In addition, at present, it is cold used in production flux-cored wire steel
Strip rolling, it is necessary to produced in hot rolled coil after the concerned process steps such as pickling, cold rolling, annealing, smooth, so many process
Necessarily cause the increase of production cost.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of steel making method of the flux-cored wire based on ESP lines, with
Solve production cost height that traditional production flux-cored wire steel method is present, the problems such as environmental pollution is big.
The steel making method of the flux-cored wire based on ESP lines that the present invention is provided, including：The steel-making stage：Will be blast-melted
Successively molten steel is formed after desulfurization, converter smelting, refining and vacuum circulation degassing；The ESP continuous casting and rolling stages：Will based on ESP lines
The molten steel that the steel-making stage is formed carries out continuous casting and rolling and forms Thin Specs hot rolled strip；Wherein, in the ESP continuous casting and rolling stages, lead to
Cross using the frictional force between non-sinusoidal oscillation of mould pattern and brake type Duckbill type soaking water gap control crystallizer and green shell
And the Temperature Distribution of molten steel in mold, and the bending section by mould electromagnetic brake, with wick-containing pressure and the arc with aligning
Shape section, horizontal segment, after once cooling and secondary cooling, continuous casting formation continuous casting billet is carried out to the molten steel, will by roughing mill
Continuous casting billet milling is middle base, and high-pressure water descaling after electromagnetic induction heating is carried out to middle base and is handled, and will be through by finishing mill
Middle base after high-pressure water descaling processing is rolled into Thin Specs hot rolled coil through finishing mill completely without head；Wherein, brake type Duckbill type soaks
The endoporus of water inlet includes two openings, and the pod apertures tilted down are respectively arranged with the side wall of each opening；Cooling stage：
The Thin Specs hot rolled strip that the ESP continuous casting and rolling stages are formed carries out section cooling；Coil ing one：It will carry out after section cooling
Thin Specs hot rolled strip carry out batch to form drum hot rolled coil；Pickling stages：The drum heat that coil ing one is batched
Roll volume and carry out pickling；The smooth rewinding stage：Hot rolled coil after pickling is subjected to smooth and rewinding and obtains flux-cored wire steel.
Furthermore it is preferred that mode be：In the bending section depressed by mould electromagnetic brake, with wick-containing, the arc with aligning
Shape section, horizontal segment, through once cooling down with after secondary cooling, carry out continuous casting to molten steel and are formed after continuous casting billet, continuous casting billet enters
HRM carries out roughing, by continuous casting billet milling is middle base by HRM；Ensure the surface temperature of middle base by IHF induction heaters
Degree, while carrying out high-pressure water descaling processing to middle base scale on surface；Middle base after high-pressure water descaling is handled enters
Enter finishing mill, the middle base after high-pressure water descaling is rolled into by Thin Specs hot rolled strip completely without head by finishing mill.
Furthermore it is preferred that mode be：It is cold that laminar flow is carried out in the Thin Specs hot rolled strip for being formed the ESP continuous casting and rolling stages
But during, Thin Specs hot rolled strip is sent into runout table, by the pinch roll of runout table by Thin Specs hot rolled strip
Send into coiling machine.
Furthermore it is preferred that mode be：Thin Specs hot rolled strip after by progress section cooling carries out batching to form reel
During shape hot rolled coil, Thin Specs hot rolled strip is batched by coiling machine.
It is straight by using ESP lines using above-mentioned, the steel making method of the flux-cored wire based on ESP lines that the present invention is provided
Connect and continuous casting and rolling is carried out to molten steel, so as to substitute the " continuous casting → strand reheating → roughing → finish rolling → layer in conventional processes
Stream cools down → batches → → cold rolling → annealing of pickling " etc. step, and then energy resource consumption can be reduced, meanwhile, substituted with hot rolled coil
The mode of cold-rolled strip production flux-cored wire steel can reduce cold rolling link, improve recovery rate of iron, reduce production cost.
In order to realize above-mentioned and related purpose, one or more aspects of the invention include will be explained in below and
The feature particularly pointed out in claim.Some illustrative aspects of the present invention are described in detail in following explanation and accompanying drawing.
However, some modes in the various modes for the principle that the present invention only can be used that these aspects are indicated.In addition, of the invention
It is intended to include all these aspects and their equivalent.
Brief description of the drawings
By reference to the explanation and the content of claims below in conjunction with accompanying drawing, and with to the present invention more comprehensively
Understand, other purposes of the invention and result will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the flux-cored wire steel making method flow schematic diagram based on ESP lines according to the embodiment of the present invention；
Fig. 2 is the structural representation of brake type Duckbill type soaking water gap.
Identical label indicates similar or corresponding feature or function in all of the figs.
In figure, mouth of a river side wall 1, bottom 2, endoporus 3, opening 31, opening 32, pod apertures 311, pod apertures 321.
Embodiment
The specific embodiment of the present invention is described in detail below with reference to accompanying drawing.
ESP (Endless Strip Production, strip production without a head) line, is the newly-built thin plate of new generation of AVM hereinafter enlightening
Continuous-casting tandem-rolling production line, because its casting speed reaches as high as 7m/min, one is poured and time can produce a whole piece steel band, and centre does not have
Have any cutting head cutting tail, thus with the production of Total continuity strip, wall scroll continuous casting line be can reach outstanding production capacity, it is extensive
Production is big with wide flat steel and quality strip steel, the conversion cost from molten steel to hot rolled coil be low, production-line technique arrangement is the compactest etc.
Feature.
In order to illustrate the manufacture method that flux-cored wire steel is produced based on ESP lines of the invention provided, Fig. 1 shows basis
The manufacture method flow that flux-cored wire steel is produced based on ESP lines of the embodiment of the present invention；Fig. 2 shows that brake type Duckbill type soaks
The structure of water inlet.
As shown in figure 1, the flux-cored wire steel making method based on ESP lines that the present invention is provided includes：
S110：The steel-making stage：Formed blast-melted successively after desulfurization, converter smelting, refining and vacuum circulation degassing
Molten steel.
Specifically, it is possible to use desulfurizer (such as KR desulfurizers) is by blast-melted carry out desulfurization, the height after desulfurization
Stove molten iron after the processes such as converter smelting, refining and vacuum circulation degassing, ultimately forms molten steel again.
S120：The ESP continuous casting and rolling stages：Continuous casting and rolling is carried out based on the molten steel that ESP lines form the steel-making stage and forms thin
Size hot-rolled steel band；Wherein, in the ESP continuous casting and rolling stages, by using non-sinusoidal oscillation of mould pattern and brake type duck
Nozzle type soaking water gap controls the frictional force between crystallizer and green shell and the Temperature Distribution of molten steel in mold, and passes through crystallizer
Electromagnetic braking, with wick-containing depress bending section, band align segmental arc, horizontal segment, through once cool down with after secondary cooling, it is right
Molten steel carries out continuous casting formation continuous casting billet, by continuous casting billet milling is middle base by roughing mill, carrying out electromagnetic induction to middle base adds
Handled after heat through high-pressure water descaling, and the middle base after processing is rolled into by Thin Specs hot rolled strip completely without head by finishing mill；
Wherein, brake type Duckbill type soaking water gap is circumferentially to open up some pod apertures on the mouth of a river side wall of endoporus tangential direction.
Specifically, with reference to shown in Fig. 2, in the ESP continuous casting and rolling stages, molten steel initially enters brake type Duckbill type immersion water
It is intraoral, in brake type Duckbill type soaking water gap, pod apertures are circumferentially offered on the mouth of a river side wall of endoporus tangential direction, in steel
Water inject when, by pod apertures can effective brake molten steel inject when mold liquid level produce fluctuation, make molten steel in mold
Uniformity of temperature profile, it is to avoid slag is caused in casting process, so as to improve the quality of continuous casting billet.
Wherein, as shown in Fig. 2 brake type Duckbill type soaking water gap is by mouth of a river side wall 1, bottom 2, and mouth of a river side wall and bottom
The endoporus 3 for the top end opening that portion is surrounded is constituted.Wherein, mouth of a river side wall 1 and bottom Integral design, endoporus 3 is in Duckbill type, including is opened
Mouth 31 and opening 32, are respectively arranged with the pod apertures 311 and pod apertures tilted down on the side wall of opening 31 and opening 32
321.The line of centres of the center line of pod apertures 311 and pod apertures 321 between opening 31 and opening 32 is parallel, and water conservancy diversion
Hole 311 is provided with the exit of pod apertures 321 can make the oblique angle extended out of the identical direction of rotation of stream stock generation.
Molten steel overheat can quickly be exported by the brake type Duckbill type soaking water gap, stablize the consumption of covering slag, with
Uniform slag film is formed, while passing through the oblique angle extended out for making stream stock produce identical direction of rotation set in pod apertures exit
Stream stock, the rising kinetic energy of decay stream stock, so that stream stock is slowly reached near mold liquid level, so that crystallizer can be cut
Liquid fluctuating is stable.
Further, since the pressure of liquid flux film increases during negative slip and forces base at crystallizer menisci
Shell produces inside flexural deformation and causes oscillation mark, because geometry, microscopic structure and alloying component of oscillation mark etc. are
Discontinuous, this easily induces strand and produces defect, therefore, in the present invention, using non-sinusoidal oscillation pattern, is shaken by changing
Dynamic VELOCITY DISTRIBUTION, shortens the time in negative slip during mold oscillation, so as to reduce green shell because protected slag road pressure is led
The deformation of cause, promotes depth of chatter mark to shoal.Can have by using non-sinusoidal oscillation pattern and brake type Duckbill type soaking water gap
The Temperature Distribution of frictional force and molten steel in mold between effect control crystallizer and green shell, so as to be beaten to cast high-quality strand
Lower basis.
Further, since the continuous production of molten steel to hot rolled coil needs to realize in the case where stably reaching high pulling rate,
And for high pulling rate (i.e. high flow capacity, generally common casting machine typically can only achieve 5m/min or so), traditional thin-slab caster
It is difficult to reach, it is impossible to realize high pulling rate and full endless rolling.The present invention uses the bending section and band depressed with wick-containing in ESP lines
The segmental arc of aligning, it is possible to achieve high pulling rate (reaching as high as 7m/min), ferrostatic pressure can be kept as it is very low, can be with
The quality of continuous casting billet is greatly improved, meanwhile, one is poured and time can produce " a whole piece steel band ", and centre is without any crop and cuts
Tail, can reduce strand waste, save production cost.
In addition, the fluctuation caused to crystallizer flow field and crystallizer meniscus in order to avoid high pulling rate, by using electromagnetism
Braking can apply extraneous magnetic field to the molten steel in crystallizer, so that the flow trace of molten steel is influenceed, to keep crystallizer flow field
Pattern and the stabilization for maintaining crystallizer meniscus, so that reliably the initial solidification and green shell of control continuous casting billet are on conticaster top
The formation in region, and then ensure to be issued to the operational stability of height in high pulling rate, to lift the quality of continuous casting billet indirectly.
In the bending section depressed by mould electromagnetic brake, with wick-containing, the segmental arc with aligning, horizontal segment, through one
After secondary cooling and secondary cooling, continuous casting is carried out to molten steel, formed after continuous casting billet, continuous casting billet enters HRM (High Reduction
Mill, high reduction mill), by continuous casting billet milling it is middle base by HRM；Then IHF (Inductive Heater are passed through
Furnace, induction heater) ensure the surface temperature of middle base, while carry out water under high pressure to middle base scale on surface
De-scaling is handled, and the middle base after high pressure descaling is handled is carried out into finishing mill, will be after high-pressure water descaling by finishing mill
Middle base be rolled into Thin Specs hot rolled strip completely without head.Wherein, Hydraulic Looper device is provided between finishing stand, heat can be made
Roll volume and carry out constant-tension rolling, so as to ensure the rolling accuracy of hot rolled coil.
Calibrator and width gage are set after finishing mill, can be measured by calibrator and width gage and show hot rolled coil
Thickness and width；Meanwhile, calibrator and width gage also coordinate with the control system of finishing mill, roll shifting and bending system, so as to
To improve hot rolled coil longitudinal size precision and reduce hot rolling coiled strip steel transverse gage tolerance.It is demonstrated experimentally that by means of the invention it is possible to
By thickness deviation control within 5 microns.
S130：Cooling stage：The Thin Specs hot rolled strip that the ESP continuous casting and rolling stages are formed carries out section cooling.
Specifically, Thin Specs hot rolled strip is sent into runout table, by the pinch roll of runout table by Thin Specs hot rolling
Steel sends into coiling machine.Wherein, the process for Thin Specs hot-rolled steel being sent into runout table is to realize to bring Thin Specs hot-rolled steel into
The process of row section cooling.
S140：Coil ing one：The Thin Specs hot rolled strip after section cooling will be carried out to carry out batching to form drum hot rolling
Volume.
Wherein, Thin Specs hot rolled strip is batched by coiling machine, and then forms drum hot rolled coil.
S150：Pickling stages：The drum hot rolled coil that coil ing one is batched carries out pickling.
S160：The smooth rewinding stage：Hot rolled coil after pickling is subjected to smooth and rewinding and obtains flux-cored wire steel.
Further, after the hot rolled coil after by pickling carries out smooth and rewinding acquisition flux-cored wire steel, also successively
It is sampled, examines, packs and is put in storage including rolls volume with steel to flux-cored wire.
By above-mentioned flow can be seen that the thickness of flux-cored wire steel rolled by the present invention 0.6mm~
1.0mm.By it is experimentally confirmed that the most thin rolling specs that the present invention can be realized at present are 0.8mm, Breadth Maximum is
1600mm.Compared with the flow of traditional production flux-cored wire steel, the present invention is direct to molten steel continuous casting and rolling by ESP lines,
From without carrying out reheating to strand again, batching, after pickling without production can be made by cold rolling and annealing process again
Product directly offline storage.Therefore, the present invention has faster and higher adaptability, and product can also be made to obtain higher matter
Amount.
It should be noted that because existing flux-cored wire with the mode of production of steel is all to use cold-rolled strip to be carried out for base-material
Production, can be obtained after needing to sequentially pass through hot rolled coil pickling, cold rolling, annealing and the process such as smooth when producing cold-rolled strip
Flux-cored wire steel, and the present invention is based on ESP lines, the hot rolled coil that the ESP continuous casting and rolling stages are obtained through overpickling it is peaceful it is whole after,
Directly obtain flux-cored wire steel, this not only reduces the step of production flux-cored wire steel, and cost than existing using cold
Strip rolling is that the cost of base-material production flux-cored wire steel is low.
Specifically, the invention has the advantages that：
1st, molten steel is directly subjected to continuous casting and rolling by then passing through ESP lines, therefore can struck while the iron is hot at high temperature, fully
Using the energy of continuous casting billet high temperature, big drafts is produced with relatively low roll-force, this can subtract compared with conventional hot continuous rolling machine machine
The quantity of few heating furnace, so that substantially reducing the consumption of energy；
2nd, rolled under high temperature, the uniformity of the microstructure of product can be improved, make the index performance of product
Greatly improve；
3rd, whole ESP lines are no more than 200 meters, compact conformation, it is possible to reduce cost input from continuous casting to finished product coiling machine；
4th, ESP line continuous castings are utilized, it is possible to achieve completely without head tandem rolling, molten steel is directly become Thin Specs hot rolled coil, product is received
Yield is high, and cost is low.The hot rolled coil of rolling directly for users to use, and can be less than 2mm in product specification, and ratio is not less than
56%, when Breadth Maximum is 1600mm, the hot rolled coil rolled using the present invention also replaces the cold-rolled products of above-mentioned specification.
5th, because the rolling line length of the present invention is short, therefore the growing amount of iron scale can be reduced, reduction dephosphorization water
Pollution, reduces greenhouse gas emission, is conducive to environmental protection；
6th, low carbon mild steel series, IF steel, middle carbon series, low-alloy high-strength system can be covered by product produced by the invention
The complete series steel grade scope such as row, dual phase steel, weathering steel, electrical sheet, pipe line steel.
Describe the flux-cored wire steel making based on ESP lines according to the present invention in an illustrative manner above with reference to accompanying drawing
Method.It will be understood by those skilled in the art, however, that the flux-cored wire based on ESP lines proposed for the invention described above is used
Steel making method, can also make various improvement on the basis of present invention is not departed from.Therefore, protection scope of the present invention
It should be determined by the content of appended claims.
Claims (7)
1. a kind of steel making method of the flux-cored wire based on ESP lines, including：
The steel-making stage：Molten steel is formed by blast-melted after desulfurization, converter smelting, refining and vacuum circulation degassing successively；
The ESP continuous casting and rolling stages：Continuous casting and rolling is carried out based on the molten steel that ESP lines form the steel-making stage, Thin Specs are formed
Hot rolled strip；Wherein, in the ESP continuous casting and rollings stage,
By using the frictional force between non-sinusoidal oscillation pattern and brake type Duckbill type soaking water gap control crystallizer and green shell
And the Temperature Distribution of molten steel in mold, and the bending section by mould electromagnetic brake, with wick-containing pressure and the arc with aligning
Shape section, horizontal segment, after once cooling and secondary cooling, continuous casting formation continuous casting billet is carried out to the molten steel, will by roughing mill
The continuous casting billet milling is middle base, and carrying out high-pressure water descaling after electromagnetic induction heating to the middle base is handled, and passes through essence
Middle base after milling train will be handled through high-pressure water descaling is rolled into Thin Specs hot rolled strip completely without head；Wherein,
The endoporus of the brake type Duckbill type soaking water gap includes two openings, is respectively arranged with the side wall of each opening downwards
Inclined pod apertures；
Cooling stage：The Thin Specs hot rolled strip that the ESP continuous casting and rollings stage is formed carries out section cooling；
Coil ing one：The Thin Specs hot rolled strip after section cooling will be carried out to carry out batching to form drum hot rolled coil；
Pickling stages：The drum hot rolled coil that the coil ing one is batched carries out pickling；
The smooth rewinding stage：Hot rolled coil after pickling is subjected to smooth and rewinding and obtains flux-cored wire steel.
2. the steel making method of the flux-cored wire based on ESP lines as claimed in claim 1, wherein, based on ESP lines by the refining
The thickness that the molten steel that the steel stage is formed carries out the Thin Specs hot rolled strip that continuous casting and rolling is formed is 0.6mm~1.0mm.
3. the steel making method of the flux-cored wire based on ESP lines as claimed in claim 2, wherein, based on ESP lines by the refining
The thickness that the molten steel that the steel stage is formed carries out the Thin Specs hot rolled strip that continuous casting and rolling is formed is 0.8mm.
4. the steel making method of the flux-cored wire based on ESP lines as claimed in claim 1, wherein, the hot rolling after by pickling
Volume is carried out after smooth and rewinding acquisition flux-cored wire steel, also includes taking the flux-cored wire with steel hot rolled coil successively
Sample, inspection, packaging and storage.
5. the steel making method of the flux-cored wire based on ESP lines as claimed in claim 1, wherein, passing through crystallizer electromagnetism
Braking, the bending section depressed with wick-containing and segmental arc, horizontal segment with aligning, after once cooling and secondary cooling, to described
Molten steel is carried out after continuous casting formation continuous casting billet,
The continuous casting billet enters high reduction mill and carries out roughing, is by the continuous casting billet milling by the high reduction mill
Middle base；
Ensure the surface temperature of the middle base by induction heater, while being carried out to the middle base scale on surface
High-pressure water descaling processing；
Middle base after high-pressure water descaling is handled enters finishing mill, by the finishing mill by after high-pressure water descaling
Middle base is after the full endless rolling of finishing mill into Thin Specs hot rolled strip.
6. the steel making method of the flux-cored wire based on ESP lines as claimed in claim 1, wherein, connect by the ESP continuous castings
During the Thin Specs hot rolled strip that the stage of rolling is formed carries out section cooling,
The Thin Specs hot rolled strip is sent into runout table, by the pinch roll of runout table by the Thin Specs hot rolled strip
Send into coiling machine.
7. the steel making method of the flux-cored wire based on ESP lines as claimed in claim 6, wherein, section cooling will carried out
Rear Thin Specs hot rolled strip batch to form drum hot rolled coil during,
The Thin Specs hot rolled strip is batched by coiling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133773.6A CN105665662B (en) | 2016-03-09 | 2016-03-09 | Flux-cored wire based on ESP lines steel making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133773.6A CN105665662B (en) | 2016-03-09 | 2016-03-09 | Flux-cored wire based on ESP lines steel making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105665662A CN105665662A (en) | 2016-06-15 |
| CN105665662B true CN105665662B (en) | 2017-08-08 |
Family
ID=56307276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610133773.6A Active CN105665662B (en) | 2016-03-09 | 2016-03-09 | Flux-cored wire based on ESP lines steel making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105665662B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127093B (en) * | 2017-12-21 | 2020-04-03 | 武汉钢铁有限公司 | Method for eliminating surface color difference defect of non-oriented electrical steel plate coil |
| CN108251737B (en) * | 2018-02-23 | 2019-12-17 | 柳州钢铁股份有限公司 | Manufacturing method of high-strength weathering steel with yield strength of 550MPa |
| CN109834112A (en) * | 2019-02-26 | 2019-06-04 | 江苏飞达环保科技有限公司 | A kind of cut deal casting and rolling the production line |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0520363A2 (en) * | 2005-07-19 | 2009-09-29 | Giovanni Arvedi | steel sheet making process, and, steel sheet making plant |
| CN1978080A (en) * | 2005-11-29 | 2007-06-13 | 中冶赛迪工程技术股份有限公司 | Band-steel producing process EPS |
| WO2007072516A1 (en) * | 2005-12-22 | 2007-06-28 | Giovanni Arvedi | Process and related plant for producing steel strips with solution of continuity |
| WO2007072515A1 (en) * | 2005-12-22 | 2007-06-28 | Giovanni Arvedi | Process and related plant for producing steel strips with solution of continuity |
| CN101191174B (en) * | 2006-11-20 | 2010-05-12 | 宝山钢铁股份有限公司 | Hot-rolling phase change induction plasticity steel with 750MPa-level extension strength and preparation method thereof |
| CN101928875A (en) * | 2009-06-22 | 2010-12-29 | 鞍钢股份有限公司 | High-strength cold-rolled plate with favorable forming property and preparation method thereof |
| CN102409235A (en) * | 2010-09-21 | 2012-04-11 | 鞍钢股份有限公司 | High-strength cold rolling transformation induced plasticity steel plate and preparation method thereof |
| EP2441540A1 (en) * | 2010-10-12 | 2012-04-18 | Siemens VAI Metals Technologies GmbH | Method and assembly for energy-efficient production of hot rolled steel strips |
-
2016
- 2016-03-09 CN CN201610133773.6A patent/CN105665662B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105665662A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ge et al. | Progress in strip casting technologies for steel; technical developments | |
| CN100560250C (en) | On the circular-arc type continuous casting machine of R12～14m, produce the continuous casting process of super large standard round billet | |
| CN102527956B (en) | Continuous-cast P91-steel round pipe billet and production process thereof | |
| CN101927432B (en) | Manufacturing method of high-manganese strip steel with high strength and plasticity | |
| US5769152A (en) | Continuous casting process and continuous casting/rolling process for steel | |
| CN105665662B (en) | Flux-cored wire based on ESP lines steel making method | |
| CN103008587B (en) | A kind of thin strap continuous casting anti-oxidation iron sheet generation method | |
| WO2020030040A1 (en) | Production of twin-roll cast and hot rolled steel strip | |
| CN100493745C (en) | Method for continuously casting sheet band by dual roller | |
| CN105382232B (en) | Method for preventing generation of center line cracks in steel board continuous casting process | |
| CN109175279B (en) | YQ450NQR 1B-shaped steel bloom continuous casting production method | |
| JPS63242452A (en) | Method for casting by light rolling reduction | |
| CN103160635B (en) | Process for producing die steel by utilizing converter continuous casting mode | |
| CN204209084U (en) | A kind of continuous casting system producing the oval base of large gauge | |
| CN111394656B (en) | Crystallizer | |
| JPS63278655A (en) | Light rolling reduction casting method | |
| Wechsler | The status of twin-roll casting technology. Comparison with conventional technology | |
| Isac et al. | The design of a new casting process: from fundamentals to practice | |
| KR101400041B1 (en) | Device for estimating carbon-increasing of molten steel and method thereof | |
| JPS63278654A (en) | Light rolling reduction casting method | |
| Guthrie et al. | Continuous Casting Practices for Steel: Past, Present and Future. Metals 2022, 12, 862 | |
| EP4151755A1 (en) | Method for manufacturing ultra-low carbon steel product | |
| Guthrie et al. | The design of continuous casting processes for steel | |
| KR101443584B1 (en) | Method for scarfing slab of low carbon steel | |
| RU2575266C1 (en) | Method of production of railroad rail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180228 Address after: 276806 Binhai Road, Arashiyama District, Rizhao City, Shandong Province, No. 600 Patentee after: Rizhao Steel Holding Group Co., Ltd. Address before: 276806 Shandong Province, Rizhao City Arashiyama District Xiamen Road West, Tiger Town Jade Spring two Road East, Gangcheng avenue to the south, Chemical Road North Patentee before: RIZHAO BAOHUA NEW MATERIAL CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing method of steel for flux cored wire based on ESP wire Effective date of registration: 20211222 Granted publication date: 20170808 Pledgee: Rizhao Bank Co., Ltd Pledgor: RIZHAO STEEL HOLDING GROUP Co.,Ltd. Registration number: Y2021980015819 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |