CN100423857C - Production facility and method for high-intensity packing steel belt - Google Patents
Production facility and method for high-intensity packing steel belt Download PDFInfo
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- CN100423857C CN100423857C CNB200510047141XA CN200510047141A CN100423857C CN 100423857 C CN100423857 C CN 100423857C CN B200510047141X A CNB200510047141X A CN B200510047141XA CN 200510047141 A CN200510047141 A CN 200510047141A CN 100423857 C CN100423857 C CN 100423857C
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Abstract
The invention relates to a method for producing high-strength packing steel band. Wherein, the inventive device comprises material preparer, induction heating furnace, end cutter, high-pressure water dephosphorize device, eight thermal rollers, one cold roller, middle cooling section, wide closed controller, thickness closed controller, movable sleeve, coater, and coiler; and the method comprises: preparing materials, induced heating, cutting end, removing phosphor, thermally rolling, controlling width, cooling, cold rolling, coating, coiling, while it can add welder and additive heater. In the production, the temperature of heating furnace should be controlled accurately, and the cooling speed should be controlled. The inventive steel band has high quality while the width accuracy is 0-1mm, and its cost is low.
Description
Technical field
The invention belongs to the production equipment and the production method thereof of package steel strip technical field, particularly a kind of high-intensity packing steel belt.
Background technology
Because steel band has good mechanical performance, many operations of many industries and many products all use steel band to pack.Along with the progress of society and the development of technology, also increasing for the demand of high-intensity packing steel belt.
The conventional fabrication processes of high-intensity packing steel belt is: the ribbon steel that hot rolling or cold-strip steel are cut into arrowband-branch is cut out carry out cold rolling-cut again after cold rolling (or broad hot strip-cold rolling back cutting)-heat-treat (obtaining desirable tissue and performance)-paint, be coated with operations such as cured again, form finished product.The shortcoming of this manufacturing process is that operation is many, the manufacturing cost height.High-intensity packing steel belt will be bathed at the laggard quadrat of heating usually, and lead bath technology all has infringement to the environment and the mankind.In addition, there are sharp corner angle and burr in the steel band limit portion after cutting, and the object that rolls is tied in damage easily, and forms fracture origin in transportation easily, compares with the steel band of bight slyness, and its fatigue life is lower.The part high-intensity packing steel belt need adopt the higher relatively coil of strip of carbon content to produce, and must adopt intermediate annealing process in process, makes that to add technology more complicated.It is the method for the Production and Packaging steel band of raw material with the round steel that U.S. Pat 5542995 has proposed a kind of, to coil or rod iron is a raw material, adopt common electrical heating (conduction heating), through 7 rolling mill hot rollings, adopt water smoke-air-cooled to control cooling, the steel belt for packages with slick and sly corner portion is produced in rolling after the coating.There is following point in this technology:
1, slower with common electrically heated firing rate, therefore prolonged heat time heating time, heating furnace length is longer.
2, two edger rolls only are set, width accuracy is difficult to guarantee.
3, do not have cold rolling process, steel strip surface quality and thickness and precision are relatively poor.
4, two cover straighteners are set, make equipment cost and production cost all higher, use the straightener de-scaling simultaneously, surperficial iron sheet is difficult to Ex-all, influences the steel band quality.
5, adopt water smoke-air-cooled process for cooling stable inadequately, cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind ofly can produce width, plate shape and thickness and precision height, mechanical strength height, surface quality is good, technological process is shorter, and production efficiency is higher, the production equipment and the production method thereof of low cost of manufacture, high-intensity packing steel belt that raw material range is wider.
The objective of the invention is to realize by following technical proposals.
Production equipment according to high-intensity packing steel belt of the present invention, comprise the raw material preparation machine, heating furnace, crop shears, hot-rolling mill, cooling section, plater, rolling equipment, transfer equipment, it is characterized in that described heating furnace is the electric induction rapid heating furnace, described production equipment comprises the raw material preparation machine that is arranged in order, the electric induction rapid heating furnace, hot-rolling mill inlet crop shears, high pressure water descaling device, first horizontal roller hot-rolling mill, first edger roll hot-rolling mill, second horizontal roller hot-rolling mill, second edger roll hot-rolling mill, the 3rd horizontal roller hot-rolling mill, the 4th horizontal roller hot-rolling mill, width gage, the 3rd edger roll hot-rolling mill and width closed-loop control system thereof, the 5th horizontal roller hot-rolling mill, cooling section, have technology cooling and lubricated 4-roller cold rolling mill, kink, plater, rolling equipment, the transfer equipment that connects the said equipment, the closed loop thickness control system that is connected with cold-rolling mill.
According to the present invention, different raw materials will adopt different preparation machines, when described raw material is wire rod, the raw material preparation machine by the uncoiler that joins successively, coil opener and heating before straightener formed.
When raw material is rod iron, described raw material preparation machine by the coil opener that joins successively, bonding machine and heating before straightener formed.
If the section of the steel band of producing is less, heat radiation is very fast, in order to keep suitable rolling temperature, can be provided with the temperature-compensating heater between described width gage and the 3rd edger roll hot-rolling mill.
According to the present invention, can different platers be set according to different needs, described plater for japanning, be coated with cured, plastic-coated or galvanizing rig.
In order to guarantee process stabilizing, described cooling section is made up of holding furnace and back water-cooled section apparatus that air-cooled section connection water-cooled section is connected with the track that spirals again.
Adopt the method for the production equipment production high-intensity packing steel belt of high-intensity packing steel belt of the present invention, comprise raw material preparation, heating, hot rolling, control cooling, rolling, it is characterized in that comprising the following steps:
1) ready raw material round steel sent in the electric induction rapid heating furnace be heated to rolling temperature,
2) deliver to hot-rolling mill inlet crop shears place crop after the round steel that is heated to rolling temperature is come out of the stove, carry out high-pressure water descaling again,
3) carry out hot rolling: rolling the-the 4th road edging-Di of rolling-second road edging-Di of the first road horizontal roller three road horizontal roller five, six road horizontal roller are rolling,
4) measure the rolled piece width,
5) control the 3rd the 7th road edger roll hot-rolling mill reduction ratio according to the wide result of survey and carry out edging, carry out the 8th road horizontal roller hot rolling again, reach the hot rolled strip finished size, this moment, round steel was rolled into hot rolled strip,
6) steel band after the hot rolling is introduced into air-cooled section, in this air-cooled section, carry out air-cooled by air blast to steel band with the in check circulating air of oxygen content, enter the water-cooled section again, recirculated water cools off steel band, steel band along continuous straight runs after the water-cooled enters holding furnace and passes through holding furnace along the track that spirals in the holding furnace
7) steel band that comes out from holding furnace with cold section of back water-cooled section apparatus but to environment temperature, again under closed loop thickness control carry out cold rolling,
8) steel band that comes out from cold-rolling mill arrives winder or carries out coating through plater after the kink buffering, and being batched by winder becomes high-intensity packing steel band finished product volume again.
Described coating is the coat of paint, be coated with cured layer, coating layer or zinc coat.
According to the present invention, raw material can be selected common material round steel for use, as the rod iron or the wire rod of steel grades such as SS400 and Q235,20#, StE350.Be heated to and carry out hot rolling more than the austenitic temperature, earlier round steel is rolled into ellipse, continuous rolling becomes the steel band near target thickness and width then, cool off the institutional framework that needing to obtain intensity through control: be mixed with pearlite or pearlite and martensitic duplex structure in bainite, low-carbon martensite or the ferritic structure, guarantee that steel band has necessary high strength.
The control refrigerating work procedure is equivalent to the package steel strip after the hot rolling is heat-treated, and is to obtain high-intensity critical process, should guarantee in the interval inner control cooling velocity of efficient temperature.
Advantage of the present invention is:
1, the high-intensity packing steel belt of being produced has slick and sly corner and good percentage elongation, can not damage packaged object during use, can not form fracture origin.
2, owing to adopted 8 hot-rolling mills, 3 vertical millers are arranged wherein, improved the width control accuracy, guaranteed that width accuracy is in 0～1mm scope.
3, owing to adopt electric induction Fast Heating method, improve firing rate, shortened heat time heating time, satisfied the requirement that continuous high speed is produced.
4, owing to increased the 4-roller cold rolling mill that has the technology cooling and lubricate, improved surface quality and the plate shape and the thickness and precision of package steel strip.
5, only adopt once aligning, reduced equipment cost, reduced secondary and aligned blemish of bringing to steel and the production cost that is spent.
6, owing to adopt high-pressure water descaling, back flush can clean up surperficial iron sheet, guarantees that surface quality is good.
7, process for cooling adopts steyr palm-rubbing technique air-cooled and that water-cooled combines, makes technology more stable, and has reduced cost, because the airborne oxygen content of strict control makes surface of steel plate not oxidized.Because the water-cooled section can make the steel strip surface decarburization, cause carbon content from the steel band core to the steel strip surface distribution gradient, make product have core intensity height, the surface is softer, and high strength and high tenacity are combined well.
8, because steel band passes through holding furnace along the specific track that spirals, this just guarantees to have time enough to finish metallographic under the specific temperature conditions in holding furnace to change, make the physical property of product similar or surpass the product that tempering process is produced, guaranteed the high strength of steel band.
Description of drawings
Fig. 1 is an equipment pie graph of the present invention.
Fig. 2 is the production technology flow chart.
The specific embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, production equipment according to high-intensity packing steel belt of the present invention, comprise the raw material preparation machine, heating furnace, crop shears, hot-rolling mill, cooling section, plater, rolling equipment, transfer equipment, it is characterized in that described heating furnace is an electric induction rapid heating furnace 5, described production equipment comprises the raw material preparation machine that is arranged in order, electric induction rapid heating furnace 5, hot-rolling mill inlet crop shears 6, high pressure water descaling device 7, first horizontal roller hot-rolling mill 8, first edger roll hot-rolling mill 9, second horizontal roller hot-rolling mill 10, second edger roll hot-rolling mill 11, the 3rd horizontal roller hot-rolling mill 12, the 4th horizontal roller hot-rolling mill 13, width gage 14, the 3rd edger roll hot-rolling mill 15 and width closed-loop control system thereof, the 5th horizontal roller hot-rolling mill 16, cooling section 17, have technology cooling and lubricated 4-roller cold rolling mill 18, kink 19, plater 20, rolling equipment 21, the transfer equipment that connects the said equipment, the closed loop thickness control system that is connected with cold-rolling mill.
As shown in Figure 1, when raw material is wire rod, described raw material preparation machine by the uncoiler 1,1 that joins successively ', coil opener 2 and the heating before straightener 4 formed.Uncoiler is generally established Liang Tai, a job, and a preparation guarantees to produce continuously.
When raw material was rod iron, described raw material preparation machine was made up of the preceding straightener 4 of the coil opener 2 that joins successively, bonding machine 3 and heating.
When the rolled piece section hour, between described width gage 14 and the 3rd vertical miller 15, be provided with the temperature-compensating heater.
Described plater 20 for japanning, be coated with cured, plastic-coated or galvanizing rig.
In order to guarantee process stabilizing, described cooling section 17 is made up of holding furnace and back water-cooled section apparatus that air-cooled section connection water-cooled section is connected with the track that spirals again.
As shown in Figure 2, production method of the present invention comprises raw material preparation, heating, hot rolling, control cooling, rolling, it is characterized in that comprising the following steps:
1) finish before the uncoiling, straight peen, welding, heating behind the aligning, ready raw material round steel sent in the electric induction rapid heating furnace be heated to rolling temperature,
2) deliver to hot-rolling mill inlet crop shears place crop after the round steel that is heated to rolling temperature is come out of the stove, carry out high-pressure water descaling again,
3) carry out hot rolling: the first road horizontal roller rolling (1# flat rolls)-second road edging (1# rolling on edge) the-the 3rd road horizontal roller rolling (2# is flat to be rolled) the-the 4th road edging (2# rolling on edge) the-the 5th, six road horizontal roller rolling (3# is flat to be rolled, 4# is flat rolls),
4) measure rolled piece width (surveying wide),
5) control the 3rd the 7th road edger roll hot-rolling mill reduction ratio according to the wide result of survey and carry out edging, carry out the 8th road horizontal roller hot rolling again, reach the hot rolled strip finished size, this moment, round steel was rolled into hot rolled strip,
6) steel band after the hot rolling is introduced into air-cooled section, in this air-cooled section, carry out air-cooled by air blast to steel band with the in check circulating air of oxygen content, enter the water-cooled section again, recirculated water cools off steel band, steel band along continuous straight runs after the water-cooled enters holding furnace and passes through holding furnace along the track that spirals in the holding furnace
7) steel band that comes out from holding furnace is cooled to environment temperature with back water-cooled section apparatus, again under closed loop thickness control carry out cold rolling,
8) steel band that comes out from cold-rolling mill arrives winder or carries out coating through plater after the kink buffering, and being batched by winder becomes high-intensity packing steel band finished product volume again.
Described coating is the coat of paint, be coated with cured layer, coating layer or zinc coat.
In concrete enforcement, the final performance of package steel strip product is closely related with selected raw material.The package steel strip intensity that adopts Q235 production is between 800～900MPa, and the package steel strip intensity that adopts 20# or SS400 to produce can reach 900～1100MPa, adopts the steel band of StE350, and intensity can reach 1000～1400MPa.Typical production line of the present invention is produced 31.75 * 0.9mm steel band, and hourly output is 6 tons, and speed reaches 280m/min; When producing 19 * 0.9mm steel band, hourly output is 4 tons, and speed reaches 500m/min.
Claims (8)
1. the production equipment of a high-intensity packing steel belt, comprise the raw material preparation machine, heating furnace, crop shears, hot-rolling mill, cooling section, plater, rolling equipment, transfer equipment, it is characterized in that described heating furnace is the electric induction rapid heating furnace, described production equipment comprises the raw material preparation machine that is arranged in order, the electric induction rapid heating furnace, hot-rolling mill inlet crop shears, high pressure water descaling device, first horizontal roller hot-rolling mill, first edger roll hot-rolling mill, second horizontal roller hot-rolling mill, second edger roll hot-rolling mill, the 3rd horizontal roller hot-rolling mill, the 4th horizontal roller hot-rolling mill, width gage, the 3rd edger roll hot-rolling mill and width closed-loop control system thereof, the 5th horizontal roller hot-rolling mill, cooling section, have technology cooling and lubricated 4-roller cold rolling mill, kink, plater, rolling equipment, the conveyer that connects the said equipment, the closed loop thickness control system that is connected with cold-rolling mill.
2. the production equipment of high-intensity packing steel belt according to claim 1 is characterized in that when raw material is wire rod, described raw material preparation machine by the uncoiler that joins successively, coil opener and heating before straightener formed.
3. the production equipment of high-intensity packing steel belt according to claim 1 is characterized in that when raw material is rod iron, described raw material preparation machine by the coil opener that joins successively, bonding machine and heating before straightener formed.
4. the production equipment of high-intensity packing steel belt according to claim 1 is characterized in that being provided with the temperature-compensating heater between described width gage and the 3rd vertical miller.
5. the production equipment of high-intensity packing steel belt according to claim 1, it is characterized in that described plater for japanning, be coated with cured, plastic-coated or galvanizing rig.
6. the production equipment of high-intensity packing steel belt according to claim 1 is characterized in that described cooling section is made up of holding furnace and back water-cooled section apparatus that air-cooled section connection water-cooled section is connected with the track that spirals again.
7. the production equipment of a high-intensity packing steel belt that adopts claim 1 is produced the method for high-intensity packing steel belt, comprises raw material preparation, heating, hot rolling, control cooling, rolling, it is characterized in that comprising the following steps:
1) ready raw material round steel sent in the electric induction rapid heating furnace be heated to rolling temperature,
2) deliver to hot-rolling mill inlet crop shears place crop after the round steel that is heated to rolling temperature is come out of the stove, carry out high-pressure water descaling again,
3) carry out hot rolling: rolling the-the 4th road edging-Di of rolling-second road edging-Di of the first road horizontal roller three road horizontal roller five, six road horizontal roller are rolling,
4) measure the rolled piece width,
5) control the 3rd the 7th road edger roll hot-rolling mill reduction ratio according to the wide result of survey and carry out edging, carry out the 8th road horizontal roller hot rolling again, reach the hot rolled strip finished size, this moment, round steel was rolled into hot rolled strip, promptly by round steel distortion becoming hot rolled strip,
6) steel band after the hot rolling is introduced into air-cooled section, in this air-cooled section, carry out air-cooled by air blast to steel band with the in check circulating air of oxygen content, enter the water-cooled section again, recirculated water cools off steel band, steel band along continuous straight runs after the water-cooled enters holding furnace and passes through holding furnace along the track that spirals in the holding furnace
7) steel band that comes out from holding furnace with cold section of back water-cooled section apparatus but to environment temperature, again under closed loop thickness control carry out cold rolling,
8) steel band that comes out from cold-rolling mill arrives winder or carries out coating through plater after the kink buffering, and being batched by winder becomes high-intensity packing steel band finished product volume again.
8. the production equipment of high-intensity packing steel belt according to claim 7 is produced the method for high-intensity packing steel belt, it is characterized in that described coating is the coat of paint, is coated with cured layer, coating layer or zinc coat.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200510047141XA CN100423857C (en) | 2005-09-07 | 2005-09-07 | Production facility and method for high-intensity packing steel belt |
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| CNB200510047141XA CN100423857C (en) | 2005-09-07 | 2005-09-07 | Production facility and method for high-intensity packing steel belt |
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| CN1927482A CN1927482A (en) | 2007-03-14 |
| CN100423857C true CN100423857C (en) | 2008-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191920A (en) * | 2013-04-27 | 2013-07-10 | 乐清市长城金属线材有限公司 | Continuous casting and rolling device and production process of copper strip busbar |
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| CN101930225B (en) * | 2009-06-23 | 2012-05-30 | 宝山钢铁股份有限公司 | Hot rolling reeling width automatic control method and device thereof |
| CN102896477B (en) * | 2012-11-09 | 2015-08-19 | 福州宝井钢材有限公司 | A kind of processing method of automobile steel band |
| CN103302455B (en) * | 2013-06-14 | 2016-01-20 | 鞍钢集团工程技术有限公司 | A kind of Multifunctional cold rolled steel plate processing dispensing production line |
| CN106239037B (en) * | 2016-07-29 | 2019-02-15 | 黄冈三德板业有限公司 | The cold rolling hot dip integrated production method and steel plate of steel plate |
| CN108971244A (en) * | 2018-09-25 | 2018-12-11 | 芜湖新兴铸管有限责任公司 | Rolled steel cooling means |
| CN113042539B (en) * | 2021-03-25 | 2022-10-14 | 德龙钢铁有限公司 | Cooling method for fine control of microstructure of hot-rolled strip steel |
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| AU8100791A (en) * | 1990-07-09 | 1992-02-04 | Giovanni Arvedi | Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line |
| US5542995A (en) * | 1992-02-19 | 1996-08-06 | Reilly; Robert | Method of making steel strapping and strip and strapping and strip |
| CN1132256A (en) * | 1994-03-29 | 1996-10-02 | 川崎制铁株式会社 | Method of producing ferritic stainless steel strip with small intra-face anisotropy |
| CN1334757A (en) * | 1998-12-18 | 2002-02-06 | 埃维斯塔波拉里特公司 | Method for mfg. of strips of stainless steel and integrated rolling mill line |
| US6767415B1 (en) * | 1997-08-07 | 2004-07-27 | Sollac | Process for producing a thin sheet of ultra-low-carbon steel for the manufacture of drawn products for packaging and thin sheet obtained |
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2005
- 2005-09-07 CN CNB200510047141XA patent/CN100423857C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8100791A (en) * | 1990-07-09 | 1992-02-04 | Giovanni Arvedi | Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line |
| US5542995A (en) * | 1992-02-19 | 1996-08-06 | Reilly; Robert | Method of making steel strapping and strip and strapping and strip |
| CN1132256A (en) * | 1994-03-29 | 1996-10-02 | 川崎制铁株式会社 | Method of producing ferritic stainless steel strip with small intra-face anisotropy |
| US6767415B1 (en) * | 1997-08-07 | 2004-07-27 | Sollac | Process for producing a thin sheet of ultra-low-carbon steel for the manufacture of drawn products for packaging and thin sheet obtained |
| CN1334757A (en) * | 1998-12-18 | 2002-02-06 | 埃维斯塔波拉里特公司 | Method for mfg. of strips of stainless steel and integrated rolling mill line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191920A (en) * | 2013-04-27 | 2013-07-10 | 乐清市长城金属线材有限公司 | Continuous casting and rolling device and production process of copper strip busbar |
| CN103191920B (en) * | 2013-04-27 | 2015-02-18 | 乐清市长城金属线材有限公司 | Continuous casting and rolling device and production process of copper strip busbar |
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| CN1927482A (en) | 2007-03-14 |
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Effective date of registration: 20160819 Address after: 114051 overseas learning Pioneer Park, No. 368 Qianshan West Road, Qianshan District, Liaoning, Anshan (five floors on the East Side) Patentee after: Anshan Ding Ding Technology Co., Ltd. Address before: 114035, Liaoning province Anshan MTR Eastern Garden Road Green Park District 335 a, No. 5 Patentee before: Anshan Shuifeng Grass Products Factory |
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Granted publication date: 20081008 Termination date: 20180907 |