CN106947855B - A method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques - Google Patents
A method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques Download PDFInfo
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- CN106947855B CN106947855B CN201710164967.7A CN201710164967A CN106947855B CN 106947855 B CN106947855 B CN 106947855B CN 201710164967 A CN201710164967 A CN 201710164967A CN 106947855 B CN106947855 B CN 106947855B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
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Abstract
The method for the non-orientation silicon steel continuous annealing entrance back-end crop volume that the invention discloses a kind of based on CSP techniques, its preset length fed back according to annealing process of silicon steel line when acid shuts out mouthful bundling is sheared in advance before weld seam, the upper a roll of overproof part volume in tail portion in the volume center portion position of lower a roll, is then rolled up by whipping in entrance and cut off overproof part.Using the above method not only solve coil of strip outer ring beyond part can not cut off the problem of, while cracked inner ring tail lick it is small can not last volume problem.Processing charges of the overproof part by silicon steel and rewinding line when can be not only saved using this method, can also greatly improve silicon steel and rewinding yield.
Description
Technical field
The present invention relates to metal working technical areas, more particularly to a kind of non-orientation silicon steel continuous annealing based on CSP techniques
The method of entrance back-end crop volume.
Background technology
The typical production process of non-orientation silicon steel based on CSP techniques is:Pneumatic steelmaking, RH, CSP continuous casting and rolling, cold company
It rolls, continuous annealing coating, weight bundling.
It is in end to end in actual production process, when CSP hot continuous rollings and loses a state, leading to strip, thickness is overproof more tight end to end
Heavy, thickness deviation still cannot be satisfied the requirement of silicon steel standard after cold continuous rolling;In addition, Internal and external cycle is cold in silicon iron hot rolling rolls up cooling procedure
Speed is too fast, causes crystal grain tiny, and core loss value is higher end to end after annealing, beyond standard requirement.
From the angle for reducing process processing charges, the overproof more early excision in part is more advantageous.CSP hot continuous rollings, cold continuous rolling, company
Continuous annealing coating outlet section rhythm of production is fast, can not cut off overproof part.Weight bundling is interrupted production model, super convenient for completing
Poor part is cut off, and typical overproof part cuts off bundling excision of attaching most importance to, and this processing mode not only causes overproof part continuously to move back excessively
Processing charges waste when fiery coating unit and weight bundling unit, while weight bundling cutting amount being made to increase one from normal one point three
Divide five, has seriously affected the yield of rewinding product volume.
Invention content
It is cut in order to solve the above technical problems, the present invention provides a kind of non-orientation silicon steel continuous annealing entrance based on CSP techniques
The method of tail volume.
The present invention provides a kind of method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques, is rolled in acid
It is sheared in advance before weld seam according to the preset length of annealing process of silicon steel line feedback when exporting bundling, the overproof portion in upper a roll of tail portion
Then bundling is rolled up by whipping in entrance in the volume center portion position of lower a roll and cuts off overproof part.
Further, the preset length of the annealing process of silicon steel line feedback is 145~155 meters.
Further, the preset length of the annealing process of silicon steel line feedback is 150 meters.
Further, 10 coils volume arrangement volume 1 is often produced without shearing in advance.
The present invention provides a kind of method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques, should be by acid
Preset length is sheared before weld seam when shutting out mouthful bundling, the upper a roll of overproof part volume in tail portion lower a roll volume center portion
Then position is rolled up by whipping in entrance and cuts off overproof part.Coil of strip outer ring is not only solved using the above method and exceeds part
The problem of can not cutting off, at the same cracked inner ring tail lick it is small can not last volume problem.It can not only be saved using this method super
Processing charges when poor part is by silicon steel and rewinding line, can also greatly improve silicon steel and rewinding yield.
Description of the drawings
When Fig. 1 is bundling in the method that the non-orientation silicon steel continuous annealing entrance back-end crop provided by the invention based on CSP techniques is rolled up
The clipped position schematic diagram sheared in advance.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
In a kind of specific embodiment, the present invention provides a kind of non-orientation silicon steel continuous annealings based on CSP techniques to enter
The method of mouthful back-end crop volume is that the preset length fed back according to annealing process of silicon steel line when acid shuts out mouthful bundling carries out in advance before weld seam
It first shears, the upper a roll of overproof part volume in tail portion in the volume center portion position of lower a roll, is then rolled up overproof portion by whipping in entrance
Cutting removes.
Fig. 1 is referred to, S1 is the position sheared in advance in Fig. 1, and S2 is weld seam.
Since the overproof length of performance is a changing value to coil of strip end to end, in order to determine its length, present inventor is through grinding
Study carefully and finds that coil of strip Out-gauge length is 150m or so.In actual mechanical process can with 10 coils of every production roll up arrange volume 1 not into
The pre- cutting of row.Thus the observation coil of strip overproof length situation of change of performance end to end, in conjunction with online iron loss instrument monitoring value to coil of strip end to end
Pre- cutting length is adjusted in time.
Further, the preset length of the annealing process of silicon steel line feedback is 145~155 meters.
Most preferably, the preset length of the annealing process of silicon steel line feedback is 150 meters.
The present invention provides a kind of method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques, and this method is in acid
The advance length fed back according to annealing process of silicon steel line when mouthful bundling is shut out to be sheared in advance before weld seam, upper a roll of tail portion is overproof
Part volume is in the volume center portion position of lower a roll.Coil of strip outer ring is not only solved using the above method to ask beyond what part can not be cut off
Topic, at the same cracked inner ring tail lick it is small can not last volume problem.Overproof part can be not only saved using this method passes through silicon
Processing charges when steel and rewinding line can also greatly improve silicon steel and rewinding yield.Further, it is laid in entrance setting steel plate
Tail volume storage library, can also solve the problems, such as tail volume storage damage ground.
With reference to embodiments, the conjunction above-mentioned to the present invention other technical characteristic and advantage does more detailed description.
About 150 meters or so of the overproof length in head and tail portion when silicon steel coil is rolled to finished product thickness.Because of sour rolling line rhythm of production mistake
Soon, coil of strip Out-gauge part can not be cut off, and can only be cut off when annealing, coating are in rewinding bundling.This processing mode
Very big waste is not only caused, while rewinding cutting amount being made to increase one point five from normal one point three, has seriously affected rewinding
The yield of product volume.
By when acid shuts out mouthful bundling before weld seam 150 meters sheared, the upper a roll of overproof part volume in tail portion under
Then a roll of volume center portion position is rolled up by whipping in entrance and cuts off overproof part.It is logical that overproof part can be not only saved in this way
Processing charges when silicon steel and rewinding line are crossed, while silicon steel and rewinding yield can also be greatly improved.
In implementation process, compared with traditional operation method, it is specific as shown in table 1.
The comparison that 1 traditional operation method of table is operated with the present invention
To provided by the present invention, the method for the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques carries out above
It is discussed in detail.Principle and implementation of the present invention are described for specific case used herein, above example
Illustrate the method and its core concept for being merely used to help understand the present invention.It should be pointed out that for the common skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for art personnel, these change
It is also fallen within the protection scope of the claims of the present invention into modification.
Claims (4)
1. a kind of method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques, which is characterized in that shut out mouth point in acid
The preset length fed back according to annealing process of silicon steel line when volume is sheared in advance before weld seam, and the upper a roll of overproof part volume in tail portion is existed
Then the volume center portion position of lower a roll is rolled up by whipping in entrance and cuts off overproof part.
2. the method for the non-orientation silicon steel continuous annealing entrance back-end crop volume according to claim 1 based on CSP techniques, feature exist
In the preset length of the annealing process of silicon steel line feedback is 145~155 meters.
3. the method for the non-orientation silicon steel continuous annealing entrance back-end crop volume according to claim 1 based on CSP techniques, feature exist
In the preset length of the annealing process of silicon steel line feedback is 150 meters.
4. the method for the non-orientation silicon steel continuous annealing entrance back-end crop volume according to claim 1 based on CSP techniques, feature exist
In, often produce 10 coils volume arrange volume 1 without shearing in advance.
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CN201710164967.7A CN106947855B (en) | 2017-03-20 | 2017-03-20 | A method of the non-orientation silicon steel continuous annealing entrance back-end crop volume based on CSP techniques |
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CN106947855B true CN106947855B (en) | 2018-10-26 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101716597A (en) * | 2009-12-15 | 2010-06-02 | 中冶南方(武汉)自动化有限公司 | Method for preventing broken pieces of band tail from blocking shearing when shearing band tail of cold rolled strip steel production unit |
CN102242248A (en) * | 2011-06-27 | 2011-11-16 | 中冶南方(武汉)威仕工业炉有限公司 | Vertical continuous bright annealing process for cold-rolled stainless steel coil |
CN103952713A (en) * | 2014-03-26 | 2014-07-30 | 常熟市长江不锈钢材料有限公司 | Pushing-pulling type strip steel acid washing process |
CN105983593A (en) * | 2015-02-25 | 2016-10-05 | 鞍钢股份有限公司 | Steel coil head-tail lap-joint and coil-separating method for re-coiling unit |
-
2017
- 2017-03-20 CN CN201710164967.7A patent/CN106947855B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101716597A (en) * | 2009-12-15 | 2010-06-02 | 中冶南方(武汉)自动化有限公司 | Method for preventing broken pieces of band tail from blocking shearing when shearing band tail of cold rolled strip steel production unit |
CN102242248A (en) * | 2011-06-27 | 2011-11-16 | 中冶南方(武汉)威仕工业炉有限公司 | Vertical continuous bright annealing process for cold-rolled stainless steel coil |
CN103952713A (en) * | 2014-03-26 | 2014-07-30 | 常熟市长江不锈钢材料有限公司 | Pushing-pulling type strip steel acid washing process |
CN105983593A (en) * | 2015-02-25 | 2016-10-05 | 鞍钢股份有限公司 | Steel coil head-tail lap-joint and coil-separating method for re-coiling unit |
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