CN108555021B - A kind of pair of narrow steel strip carries out the method and apparatus of special cross section size reprocessing - Google Patents
A kind of pair of narrow steel strip carries out the method and apparatus of special cross section size reprocessing Download PDFInfo
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- CN108555021B CN108555021B CN201810474852.2A CN201810474852A CN108555021B CN 108555021 B CN108555021 B CN 108555021B CN 201810474852 A CN201810474852 A CN 201810474852A CN 108555021 B CN108555021 B CN 108555021B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention belongs to the steel rolling fields in steel technology, disclose the method and apparatus that a kind of pair of narrow steel strip carries out the reprocessing of special cross section size.In advance by narrow steel strip pickling and slitting, before being reprocessed to narrow steel strip, lead to inert gas into inert atmosphere room in advance, when the indoor oxygen content of inert atmosphere is lower than 1~3%, narrow steel strip is transported into inert atmosphere room from feed chamber, carry out the reprocessing operation to narrow steel strip, process flow are as follows: narrow steel strip → reeler → high-frequency induction heating coil → milling train → air cooler → coiling machine or cutting sizing apparatus.The present invention reprocesses narrow steel strip using hot rolling technology, and the resistance of deformation of steel band is small under hot-rolled state, and metal flow is easy, and can easier roll into the steel with special cross section size shape, steel processing cost is low, high-efficient.Non-oxidation phenomenon in course of hot rolling, product surface quality is high, and heating speed is fast, at low cost, nonstaining property gas is discharged.
Description
Technical field
The invention belongs to the steel rolling fields in steel technology, in particular it relates to which a kind of pair of narrow steel strip carries out spy
The method and apparatus of different cross dimensions reprocessing.
Background technique
With economic rapid development, the requirement to the precision and performance of machine components is higher and higher, based on industry
Machinery manufacturing industry, one of the key problem of development is how to further increase the precision of machining and quality, simultaneously
Reduce economic cost.
Narrow steel strip is all kinds of Metallurgical Enterprises to adapt to the needs that different industrial departments produce each metalloid or engineering goods
And a kind of narrow and long steel plate produced, it is widely used in fields such as hull, bridge, oil drum, welded tube, packaging, bicycles,
Mostly be the method using cold rolling to the reprocessing of narrow steel strip at present, by narrow steel strip roll it is thin, roll hard, but the demand of certain terminal users
For the narrow steel strip for possessing special cross section size, for example different thickness is needed at the different location on ribbon steel section, or
Person is to need the section of narrow steel strip being processed into flute profile, in the process for being rolled into the narrow steel strip that these possess special cross section size
In, very big deformation rate and biggish metal flow are needed, and resistance of deformation is big in cold-rolled process, is difficult to generate big metal
Flowing, for the narrow steel strip of these special cross section sizes, the method for being difficult to adopt cold rolling is rolled successfully, is mostly by simple cold
After rolling, then using digging, milling, the mechanical deep processing of the method for mill progress, high production cost, production efficiency is low.
Compared to cold-rolling process, the resistance of deformation of steel is small under the conditions of hot rolling technology, and metal flow is easy, but traditional heat
Roll process needs to be equipped with the equipment such as heating furnace, high-pressure water descaling, and disposable capital investment is big, and is easy to produce in the hot rolling
Raw iron scale is pressed into phenomenon, and the superficial phenomena such as point, pit occurs in stocking surface, and product surface quality is poor.Possess special disconnected
The total social demand amount of the narrow steel strip of face size is few, and steel rolling can be had by, which being produced using traditional extensive hot rolling technology, sets
The phenomenon of standby total utilization of capacity deficiency, produces the narrow steel strip for possessing special cross section size using traditional extensive hot rolling technology
And it is uneconomical.
Summary of the invention
In order to solve the above problem, the present invention provides a kind of pair of narrow steel strip and carries out the method for special cross section size reprocessing and set
Standby, this method is to carry out hot rolling to narrow steel strip under an inert atmosphere, is heated, is passed through to narrow steel strip using radio-frequency induction coil
Narrow steel strip is rolled into special cross dimensions shape by suitable roll, is then crimped or cuts sizing operation.
Explanation of nouns:
Narrow steel strip: a kind of narrow and long steel plate, width are less than 600mm, and thickness is not more than 12mm, and length is wanted without special
It asks.
The present invention provides the method that a kind of pair of narrow steel strip carries out the reprocessing of special cross section size, including the following steps:
A: carrying out pickling and slitting for narrow steel strip in advance, then by surface non-oxidation iron sheet and is already cut into suitable size
Narrow steel strip is put into the storage of storage room.
B: before reprocessing to narrow steel strip, lead to inert gas into inert atmosphere room in advance, and by oxidisability gas
Atmosphere consumption source is put into inert atmosphere room, for further removing the indoor oxidizing gas of inert atmosphere.
C: when the indoor oxygen content of inert atmosphere is lower than 1~3%, being transported into inert atmosphere room from feed chamber for narrow steel strip,
Carry out the reprocessing operation to narrow steel strip, process flow are as follows: narrow steel strip → reeler → high-frequency induction heating coil → milling train
→ air cooler → coiling machine or cutting sizing apparatus, technological parameter are as follows: narrow steel strip pass through reeler after the speed that is pierced by be
Narrow steel strip is heated to 1100~1250 DEG C by 0.1~1m/s, high-frequency induction heating coil, and milling train shares 2~5 rolls, air-cooled
The steel with special cross dimensions are cooled to 600~750 DEG C after equipment will roll, and are used according to the cross dimensions of steel and terminal
Steel after rolling are batched or are cut the collections such as scale operation by the requirement at family.
Preferably, inert gas described in step B is nitrogen or argon gas.
Preferably, the consumption of oxidizing atmosphere described in step B source is coke.
Preferably, in step C, roll is the roll for possessing special pass, and the cross dimensions phase special with narrow steel strip
It adapts to,
The present invention also provides realize setting for the method for the present invention that the reprocessing of special cross section size is carried out to narrow steel strip
It is standby；To narrow steel strip carry out the reprocessing of special cross section size equipment include storage room, inert atmosphere room, inert gas source,
Oxidizing gas consumes source, high-frequency induction heating coil, reeler, milling train, air cooler, coiling machine or cutting sizing apparatus.
The steel band that electromagnetic induction heating is very suitable to small lot carries out rolling preceding heating, and the cost for carrying out hot rolling to ribbon steel is remote
Less than the cost of the machinings such as vehicle, milling, plane, mill.
The feed chamber is the room or container for storing undressed narrow steel strip, and feed chamber and inert atmosphere room pass through can
Closing is connected with open door, and feed chamber passes through the door that can be closed and open with external environment and is connected.
The inert atmosphere room is closed room or container, is reheated, is rolled to narrow steel strip in inert atmosphere room
System, curling or cutting scale etc. operate, and have inert atmosphere source and oxidizing atmosphere consumption source in inert atmosphere room.
Inert atmosphere source is used for into inert atmosphere room for inert gas, such as nitrogen.
It is the substances such as coke that oxidizing atmosphere, which consumes source, is located in inert atmosphere room, for further removing inert atmosphere
Indoor oxidizing gas.
Reeler, which is used to roll up narrow steel strip, carries out unreel operation.
The roll of milling train is the roll for possessing special pass, and is adapted with the special cross dimensions of narrow steel strip, is used for
The equipment that narrow steel strip is rolled into special cross section size.
Air cooler is to carry out cooling equipment to the steel after rolling with special cross dimensions
Coiling machine or cutting sizing apparatus are to set for what the steel after rolling with special cross dimensions were collected
It is standby.
Advantage prepared by the present invention are as follows:
1, the present invention has special cross section size shape steel skill for using cold-rolling process and mechanical processing technique preparation
The deficiency of art reprocesses narrow steel strip using hot rolling technology, and the resistance of deformation of steel band is small under hot-rolled state, and metal flow is held
Easily, the steel with special cross section size shape can be easier rolled into, steel processing cost is low, high-efficient.
2, the present invention for solve the problems, such as hot rolling technology can generate iron scale this, using being heated under an inert atmosphere
With the method for hot rolling, non-oxidation phenomenon in course of hot rolling does not generate iron scale, fiber crops will not occur for the steel surface after rolling
The surface quality defects such as point, pit, product surface quality are high.
3, the present invention is not suitable for the life of the special cross section size steel of small market capacity for the extensive hot rolling technology of tradition
This problem is produced, the equipment heated to steel has been replaced, narrow steel strip is heated using high-frequency induction heating coil, pole
It is suitble to that the narrow steel strip of small lot is carried out rolling preceding heating, with equipment investment is small, heating speed is fast, at low cost, nonstaining property gas
The advantages of body is discharged.
Detailed description of the invention
Fig. 1 be embodiment 1 in narrow steel strip be reworked after section configuration size.
Wherein 1 be right-angled trapezium upper bottom, 2 be right-angled trapezium bottom, 3 be right-angled trapezium height.
Section configuration size after narrow steel strip is reworked in Fig. 2 embodiment 2.
Wherein 1 be flute profile steel cell wall height, 2 be flute profile steel width, 3 be flute profile steel slot bottom thickness, 4 are
The width of flute profile steel slot bottom.
Specific embodiment
The present invention provides the process for subsequent treatment that a kind of pair of narrow steel strip carries out special cross section size, and this method is in inert atmosphere
Under hot rolling is carried out to narrow steel strip, narrow steel strip is heated using radio-frequency induction coil, is rolled narrow steel strip by suitable roll
At special cross dimensions shape, sizing operation is then crimped or cut.
The equipment for carrying out the reprocessing of special cross section size to narrow steel strip includes storage room, inert atmosphere room, indifferent gas
Body source, oxidizing gas consumption source, high-frequency induction heating coil, reeler, milling train, air cooler, coiling machine or cutting scale
Equipment.
The feed chamber is the room or container for storing undressed narrow steel strip, and feed chamber and inert atmosphere room pass through can
Closing is connected with open door, and feed chamber passes through the door that can be closed and open with external environment and is connected.
The inert atmosphere room is closed room or container, is reheated, is rolled to narrow steel strip in inert atmosphere room
System, curling or cutting scale etc. operate, and have inert atmosphere source and oxidizing atmosphere consumption source in inert atmosphere room.
Inert atmosphere source is used for into inert atmosphere room for inert gas, such as nitrogen.
It is the substances such as coke that oxidizing atmosphere, which consumes source, is located in inert atmosphere room, for further removing inert atmosphere
Indoor oxidizing gas.
Reeler, which is used to roll up narrow steel strip, carries out unreel operation.
The roll of milling train is the roll for possessing special pass, and is adapted with the special cross dimensions of narrow steel strip, is used for
The equipment that narrow steel strip is rolled into special cross section size.
Air cooler is to carry out cooling equipment to the steel after rolling with special cross dimensions
Coiling machine or cutting sizing apparatus are to set for what the steel after rolling with special cross dimensions were collected
It is standby.
The present invention provides the step of a kind of pair of narrow steel strip carries out special cross section size process for subsequent treatment are as follows:
A: carrying out pickling and slitting for narrow steel strip in advance, then by surface non-oxidation iron sheet and is already cut into suitable size
Narrow steel strip is put into the storage of storage room.
B: before reprocessing to narrow steel strip, lead to inert gas into inert atmosphere room in advance, and by oxidisability gas
Atmosphere consumption source is put into inert atmosphere room, for further removing the indoor oxidizing gas of inert atmosphere.
C: when the indoor oxygen content of inert atmosphere is lower than 1~3%, being transported into inert atmosphere room from feed chamber for narrow steel strip,
Carry out the reprocessing operation to narrow steel strip, process flow are as follows: narrow steel strip → reeler → high-frequency induction heating coil → milling train
→ air cooler → coiling machine or cutting sizing apparatus, technological parameter are as follows: narrow steel strip pass through reeler after the speed that is pierced by be
Narrow steel strip is heated to 1100~1250 DEG C by 0.1~1m/s, high-frequency induction heating coil, and milling train shares 2~5 rolls, roll
For the roll for possessing special pass, and it is adapted with the special cross dimensions of narrow steel strip,
In order to achieve the effect that narrow steel strip is heated to 1100~1250 DEG C, narrow steel strip is by being pierced by speed after reeler
It needs to match with the cross dimensions of the heating power of high-frequency induction heating coil and narrow steel strip, following relationship need to be met 1.:
W×η×103=V × S × ρ × C × T is 1.
W in formula is the power (KWh) of high-frequency induction heating coil, and η is the power utilization rate (%) of induction heating, V
It is narrow steel strip by being pierced by speed (m/s) after reeler, S is the profile cross-section product (m of narrow steel strip2), ρ is the density of steel
(kg/m3) C be steel specific heat (J/kg DEG C)) T is the temperature (DEG C) that is heated of steel.
For requiring the case where narrow steel strip is processed into flute profile, the shape that roll barrel protrudes above part is and flute profile steel
The identical shape in part is fallen in, for narrow steel strip is processed into the different steel of thickness on section, the difference on roll barrel
Different rod diameters is needed at position, the steel with special cross dimensions are cooled to 600~750 after air cooler will roll
DEG C, the steel after rolling are batched or cut scale etc. according to the cross dimensions of steel and the requirement of terminal user and are collected
Operation
D: rolling operation personnel enter in inert atmosphere room with oxygen cylinder, oxygen mask to be operated.
Embodiment 1,
The present invention provides the method that a kind of pair of narrow steel strip carries out the reprocessing of special cross section size, after reprocessing, the narrowband
The cross section that steel is rolled into steel is a right-angled trapezium, and the geomery of right-angled trapezium is as shown in Figure 1, two of right-angled trapezium
The length of bottom 1 and 2 is respectively 1mm and 2mm, and high 3 height of right-angled trapezium is 30mm.
The equipment for carrying out the reprocessing of special cross section size to narrow steel strip includes storage room, inert atmosphere room, indifferent gas
Body source, oxidizing gas consumption source, high-frequency induction heating coil, reeler, milling train, air cooler, coiling machine or cutting scale
Equipment.
The feed chamber is the room or container for storing undressed narrow steel strip, and feed chamber and inert atmosphere room pass through can
Closing is connected with open door, and feed chamber passes through the door that can be closed and open with external environment and is connected.
The inert atmosphere room is closed room or container, is reheated, is rolled to narrow steel strip in inert atmosphere room
System, curling or cutting scale etc. operate, and have inert atmosphere source and oxidizing atmosphere consumption source in inert atmosphere room.
Inert atmosphere source is used for into inert atmosphere room for inert gas, such as nitrogen.
It is the substances such as coke that oxidizing atmosphere, which consumes source, is located in inert atmosphere room, for further removing inert atmosphere
Indoor oxidizing gas.
Reeler, which is used to roll up narrow steel strip, carries out unreel operation.
The roll of milling train is the roll for possessing special pass, and is adapted with the special cross dimensions of narrow steel strip, is used for
The equipment that narrow steel strip is rolled into special cross section size.
Air cooler is to carry out cooling equipment to the steel after rolling with special cross dimensions
Coiling machine or cutting sizing apparatus are to set for what the steel after rolling with special cross dimensions were collected
It is standby.
The step of process for subsequent treatment of special cross section size is carried out to narrow steel strip are as follows:
A: carrying out pickling and slitting for narrow steel strip in advance, then by surface non-oxidation iron sheet and is already cut into thickness 1.5mm,
The narrow steel strip of width 30mm is put into the storage of storage room.
B: before reprocessing to narrow steel strip, lead to nitrogen body into inert atmosphere room in advance, and the coke of burning is put
Enter inert atmosphere room, the principle chemically reacted using coke and oxygen further removes the indoor oxidisability gas of inert atmosphere
Body.
C: when the indoor oxygen content of inert atmosphere is lower than 3%, being transported into inert atmosphere room from feed chamber for narrow steel strip, carries out
Reprocessing operation to narrow steel strip, process flow are as follows: narrow steel strip → reeler → high-frequency induction heating coil → milling train → wind
Cool equipment → coiling machine or cutting sizing apparatus, technological parameter are as follows: narrow steel strip is 0.1m/ by the speed that is pierced by after reeler
Narrow steel strip is heated to 1100 DEG C by s, high-frequency induction heating coil, and the power utilization rate of induction coil heating is 60%, high frequency sense
The power for answering heating coil is 32KWh, and milling train shares 2 pairs of rolls, the bottom roll of each pair of roll be it is cylindric, each pair of roll
There is different roller diameters at different location on the topping roll body of roll, shape is round table-like and special with narrow steel strip section ruler
It is very little to be adapted, topping roll 1 in a pair roller be it is round table-like, the difference of bottom diameter and bottom diameter is 1mm thereon, upper bottom and
The distance between bottom is 30mm；Topping roll 2 in second pair of roll is round table-like, the difference of bottom diameter and bottom diameter thereon
For 2mm, the distance between upper bottom and bottom are 30mm.Narrow steel strip successively passes through a pair roller, second pair of roll rolls,
The roll gap at position is 1.5mm among a pair roller, second pair of roll.Air cooler has special cross dimensions after rolling
Steel be cooled to 600 DEG C, the steel after rolling then are collected operation using coiling machine
D: when steel rolling, operator enters in inert atmosphere room with oxygen cylinder, oxygen mask to be operated.
Steel surface after rolling is bright and clean, non-oxidation iron sheet, the high of dimensional accuracy
Embodiment 2,
The present invention provides the process for subsequent treatment that a kind of pair of narrow steel strip carries out special cross section size, after processing, the ribbon steel
Cross section is the shallower flute profile of a depth, and the dimensional drawing of flute profile is as shown in Fig. 2, wherein the height 1 of cell wall is 3mm, channel-section steel
The width 2 of material is 20mm, and the thickness 3 of slot bottom is 1.5mm, and the width 4 of slot bottom is 17mm.
The equipment for carrying out the reprocessing of special cross section size to narrow steel strip includes storage room, inert atmosphere room, indifferent gas
Body source, oxidizing gas consumption source, high-frequency induction heating coil, reeler, milling train, air cooler, coiling machine or cutting scale
Equipment.
The feed chamber is the room or container for storing undressed narrow steel strip, and feed chamber and inert atmosphere room pass through can
Closing is connected with open door, and feed chamber passes through the door that can be closed and open with external environment and is connected.
The inert atmosphere room is closed room or container, is reheated, is rolled to narrow steel strip in inert atmosphere room
System, curling or cutting scale etc. operate, and have inert atmosphere source and oxidizing atmosphere consumption source in inert atmosphere room.
Inert atmosphere source is used for into inert atmosphere room for inert gas, such as nitrogen.
It is the substances such as coke that oxidizing atmosphere, which consumes source, is located in inert atmosphere room, for further removing inert atmosphere
Indoor oxidizing gas.
Reeler, which is used to roll up narrow steel strip, carries out unreel operation.
The roll of milling train is the roll for possessing special pass, and is adapted with the special cross dimensions of narrow steel strip, is used for
The equipment that narrow steel strip is rolled into special cross section size.
Air cooler is to carry out cooling equipment to the steel after rolling with special cross dimensions
Coiling machine or cutting sizing apparatus are to set for what the steel after rolling with special cross dimensions were collected
It is standby.
The step of process for subsequent treatment of special cross section size is carried out to narrow steel strip are as follows:
A: carrying out pickling and slitting for narrow steel strip in advance, then by surface non-oxidation iron sheet and is already cut into thickness 1.8mm,
The narrow steel strip of width 20mm is put into the storage of storage room.
B: before reprocessing to narrow steel strip, lead to nitrogen body into inert atmosphere room in advance, and the coke of burning is put
Enter inert atmosphere room, the principle chemically reacted using coke and oxygen further removes the indoor oxidisability gas of inert atmosphere
Body.
C: when the indoor oxygen content of inert atmosphere is lower than 1%, being transported into inert atmosphere room from feed chamber for narrow steel strip, carries out
Reprocessing operation to narrow steel strip, process flow are as follows: narrow steel strip → reeler → high-frequency induction heating coil → milling train → wind
Cool equipment → coiling machine or cutting sizing apparatus, technological parameter are as follows: narrow steel strip is 1m/s by the speed that is pierced by after reeler,
Narrow steel strip is heated to 1250 DEG C by high-frequency induction heating coil, and the power utilization rate of induction coil heating is 60%, high-frequency induction
The power of heating coil is 252KWh, and milling train shares 5 pairs of rolls, and the bottom roll in each pair of roll is cylindric, each pair of roll
In the topping roll body of roll on have the part of protrusion, and the part that protrudes above of roll barrel is identical with the part that channel steel is fallen in
Shape, and with the special cross dimensions of narrow steel strip be adapted, and a pair roller, second pair of roll, third to roll,
Topping roll roll in 4th pair of roll, the 5th pair of roll protrude above part height be respectively 1.26mm, 1.32mm,
The width of 1.38mm, 1.44mm, 1.50mm, protrusion part are 17mm.Narrow steel strip successively passes through a pair roller, second pair
Roll, third roll roll, the 4th pair of roll, the 5th pair of roll, a pair roller in the operation of rolling, second pair roll
Roller, third to roll, the 4th pair of roll, the 5th pair of roll roll gap be respectively 1.74mm, 1.68mm, 1.62mm, 1.56mm,
1.50mm。
The steel with special cross dimensions are cooled to 750 DEG C after air cooler will roll, the steel benefit after then rolling
Operation is collected with Length-fixing cutting equipment
D: when steel rolling, operator enters in inert atmosphere room with oxygen cylinder, oxygen mask to be operated.
Steel surface after rolling is bright and clean, non-oxidation iron sheet, and dimensional accuracy is high.
Claims (11)
1. the method that a kind of pair of narrow steel strip carries out the reprocessing of special cross section size, including the following steps:
A: carrying out pickling and slitting for narrow steel strip in advance, then by surface non-oxidation iron sheet and is already cut into the narrow steel of suitable size
Band is put into the storage of storage room；
B: before reprocessing to narrow steel strip, lead to inert gas into inert atmosphere room in advance, and oxidizing atmosphere is disappeared
Consumption source is put into inert atmosphere room, for further removing the indoor oxidizing gas of inert atmosphere；
C: when the indoor oxygen content of inert atmosphere is lower than 1~3%, being transported into inert atmosphere room from storage room for narrow steel strip,
Carry out the reprocessing operation to narrow steel strip, process flow are as follows: narrow steel strip → reeler → high-frequency induction heating coil → milling train
→ air cooler → coiling machine or cutting sizing apparatus, technological parameter are as follows: narrow steel strip pass through reeler after the speed that is pierced by be
Narrow steel strip is heated to 1100~1250 DEG C by 0.1~1m/s, high-frequency induction heating coil, and milling train shares 2~5 rolls, air-cooled
The steel with special cross dimensions are cooled to 600~750 DEG C after equipment will roll, and are used according to the cross dimensions of steel and terminal
Steel after rolling are batched or are cut Cut-to-length collection operation by the requirement at family.
2. the method for carrying out the reprocessing of special cross section size to narrow steel strip as described in claim 1, which is characterized in that step B
The inert gas is nitrogen or argon gas.
3. the method for carrying out the reprocessing of special cross section size to narrow steel strip as described in claim 1, which is characterized in that step B
The oxidizing atmosphere consumption source is coke.
4. the method for carrying out the reprocessing of special cross section size to narrow steel strip as described in claim 1, which is characterized in that step C
In, roll is the roll for possessing special pass, and is adapted with the special cross dimensions of narrow steel strip.
5. realizing the equipment that described in any item pairs of narrow steel strips of claim 1-4 carry out the method for special cross section size reprocessing；
Source, high-frequency induction heating coil, unreel are consumed including storage room, inert atmosphere room, inert atmosphere source, oxidizing atmosphere
Machine, milling train, air cooler, coiling machine or cutting sizing apparatus.
6. equipment as claimed in claim 5, which is characterized in that the storage room is for storing undressed narrow steel strip
Room or container, storage room pass through the door that can be closed and open with inert atmosphere room and are connected, storage room and outside
Environment is connected by that can close with open door.
7. equipment as claimed in claim 5, which is characterized in that the inert atmosphere room is closed room or container, lazy
Property is reheated to narrow steel strip, is rolled, crimped or is cut sizing operation in atmosphere room, there is inert atmosphere source in inert atmosphere room
Source is consumed with oxidizing atmosphere；
Inert atmosphere source is used for into inert atmosphere room for inert gas,
Oxidizing atmosphere consumption source is located in inert atmosphere room, for further removing the indoor oxidizing gas of inert atmosphere.
8. equipment as claimed in claim 7, which is characterized in that
Inert gas is nitrogen；
It is coke that oxidizing atmosphere, which consumes source,.
9. equipment as claimed in claim 5, which is characterized in that reeler is used to carry out unreel operation to narrow steel strip.
10. equipment as claimed in claim 5, which is characterized in that the roll of milling train is the roll for possessing special pass, and with
The special cross dimensions of narrow steel strip is adapted, the equipment for narrow steel strip to be rolled into special cross section size.
11. equipment as claimed in claim 5, which is characterized in that air cooler be to after rolling with special cross dimensions
Steel carry out cooling equipment；
Coiling machine or cutting sizing apparatus are the equipment being collected for the steel after rolling with special cross dimensions.
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| JP2006102760A (en) * | 2004-10-01 | 2006-04-20 | Tokuriki Honten Co Ltd | Rolling device |
| JP2011147956A (en) * | 2010-01-20 | 2011-08-04 | Kobe Steel Ltd | METHOD FOR PRODUCING Si-CONTAINING STEEL SHEET |
| CN106029919A (en) * | 2014-02-18 | 2016-10-12 | 杰富意钢铁株式会社 | High-strength steel plate and method for producing high-strength steel plate |
| CN106180186A (en) * | 2016-07-06 | 2016-12-07 | 中国人民解放军理工大学 | Light-high-strength titanium magnesium titanium vacuum rolling composite |
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Effective date of registration: 20210622 Address after: 271100 Shuangquan Road, Gangcheng District, Jinan City, Shandong Province Patentee after: LAIGANG GROUP YINSHAN SHAPED STEEL Co.,Ltd. Address before: 271104 No.99, Fuqian street, Gangcheng District, Laiwu City, Shandong Province Patentee before: SHANDONG IRON AND STEEL Co.,Ltd. |