CN203170699U - Stainless steel black roll online rolling annealing pickling production line - Google Patents

Stainless steel black roll online rolling annealing pickling production line Download PDF

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Publication number
CN203170699U
CN203170699U CN 201320077489 CN201320077489U CN203170699U CN 203170699 U CN203170699 U CN 203170699U CN 201320077489 CN201320077489 CN 201320077489 CN 201320077489 U CN201320077489 U CN 201320077489U CN 203170699 U CN203170699 U CN 203170699U
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CN
China
Prior art keywords
stainless steel
black
pickling
machine
twists
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CN 201320077489
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Chinese (zh)
Inventor
王继州
马会文
张�浩
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中冶东方工程技术有限公司秦皇岛研究设计院
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Priority to CN 201320077489 priority Critical patent/CN203170699U/en
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Publication of CN203170699U publication Critical patent/CN203170699U/en

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Abstract

The utility model discloses a stainless steel black roll online rolling annealing pickling production line which sequentially comprises an uncoiling unit, a pair of cutting head and tail scissors, a welding machine, a set of entry loopers, a cold rolling unit, a set of degreasing machines, a set of annealing front loopers, an annealing furnace, a descaler, a shot blasting machine, a pickling machine, a set of pickling rear loopers, a temper mill, a set of exit loopers, a pair of segmentation scissors and a coiling machine in the advancing direction of stainless steel. According to the stainless steel black roll online rolling annealing pickling production line, due to the reasonable allocation of the devices, product quality is ensured, and production cost of a rear portion cold rolling process is reduced.

Description

The black line mill-annealed pickling lines that twists in of stainless steel

Technical field

The utility model relates to a kind of metallurgical production line, relates in particular to a kind of mill-annealed pickling lines.

Background technology

In the past, the black volume after the austenitic stainless steel hot rolling (i.e. surface band oxide skin) was worked into blank examination paper and generally need handles by the continuous annealing pickling.Along with improving constantly of stainless steel output, a kind of on-line rolling annealing and pickling process at present grows up.The latter than the former advantage is: the black volume of stainless steel thickness can be rolled the regeneration of thin back and produce blank examination paper, thereby reduce the machining load in cold rolling workshop, reduce production costs.

In order to realize the black line mill-annealed acid cleaning process that twists in of stainless steel, existing production line is often directly set up two or three rolling mills at traditional continuous annealing pickling line and is produced when carrying out the equipment configuration.Existing this configuration is also unreasonable, and it has caused the production line lumber recovery low, and product quality is not high, and the product of producing often because quality does not pass a test and need handle again, can not be given full play to the superiority of on-line rolling annealing and pickling technology.

The utility model content

The purpose of this utility model provides the black line mill-annealed pickling lines that twists in of a kind of stainless steel, it is according to the black characteristics that twist in line mill-annealed acid cleaning process of stainless steel, each equipment is carried out reasonable disposition, can guarantee product quality, and can reduce the production cost of rear portion cold rolling process.

To achieve these goals, the utility model provides a kind of stainless steel to deceive and has twisted in line mill-annealed pickling lines, and it comprises successively along stainless direct of travel:

One uncoiling unit; One crop end is cut; One welding machine; One group of entry loop; One cold rolling unit; One group of defatting machine; Kink before one group of annealing; One annealing furnace; One descaling mill; One shot-blasting machine; One pickling machine; Kink after one group of pickling; One planisher; One group of outlet kink; One segmentation is cut and a coiling machine.

Stainless steel described in the utility model is black to twist in line mill-annealed pickling lines than conventional online mill-annealed pickling lines, planisher has been set up in the kink back after pickling machine and pickling, its can so that pickling and smooth after strip surface quality close to the 2B/2D surface quality of products, can be directly used in industrial circles such as stainless steel welded pipe, shortened the production procedure of traditional handicraft greatly, reduce the turnaround time, improved production efficiency.In addition, the technical program has also been set up one group of outlet kink behind planisher, the increase of this outlet kink can guarantee to be with steel when carrying out nibbling shear, planisher can carry out smooth with the creep speed of 10-30m/min, prevent since planisher moving-stopping-starting band steel that this stage causes again, thickness to occur overproof, guaranteed the product quality of band steel.

Further, twist in the line mill-annealed pickling lines in that above-mentioned stainless steel is black, described welding machine is laser welder.

The black welding machine that twists in the line mill-annealed pickling lines of existing stainless steel is argon arc welding machine, and the technical program adopts laser welder to replace traditional argon arc welding machine, so that stainless steel band is welded.The weld seam of Laser Welding does not smoothly have projection, can not cause damage to the roll of milling train, and roll need not to lift when rolling, when nibbling shear, can make weld seam before and after total sheared length be reduced to 0.5-1m by original 15-28m, thereby improved the lumber recovery of product.In addition, because the weldquality height of Laser Welding need not to reduce the front and back tension force of milling train, so has also guaranteed the thickness deviation of elongated band steel, improved product quality.

Further, twist in the line mill-annealed pickling lines in that above-mentioned stainless steel is black, described entry loop is vertical loop.

Further, the band steel memory space of above-mentioned vertical loop is 80-160m.

Above-mentioned vertical little kink greatly reduces quantities than existing horizontal big kink, has saved cost of investment.

Further, twist in the line mill-annealed pickling lines in that above-mentioned stainless steel is black, described uncoiling unit comprises two uncoilers.

Further, twist in the line mill-annealed pickling lines in that above-mentioned stainless steel is black, described cold rolling unit comprises two cold-rolling mills.

When two cold-rolling mills were rolling, belt steel thickness can be rolled down to 1-3mm by the 2-6mm of raw material, and overall reduction reaches more than 40%, can satisfy the requirement of stainless steel 2B/2D properties of product aspect.

Further, twist in the line mill-annealed pickling lines in that above-mentioned stainless steel is black, described annealing furnace is continuous annealing furnace.

Twist in line mill-annealed pickling lines and compare with stainless steel of the prior art is black, the black line mill-annealed pickling lines that twists in of stainless steel described in the utility model is by above-mentioned configuration mode, make the band steel when welding, mill speed can be by being adjusted into 10-30m/min by traditional 40-140m/min; In addition, product quality can also be guaranteed, when can providing the blank examination paper raw material of thin specification for follow-up cold rolling workshop, the stainless-steel cold-rolling finished product volume of 1.0-3.0mm can also be directly produced.

Description of drawings

Fig. 1 is the black schematic diagram that twists in line mill-annealed pickling lines of stainless steel described in the utility model.

The specific embodiment

Below will twist in line mill-annealed pickling lines and be described further stainless steel described in the utility model is black according to specific embodiment and Figure of description, but following explanation constitute the improper restriction to technical solutions of the utility model.

As shown in Figure 1, in the present embodiment, the black line mill-annealed pickling lines that twists in of stainless steel comprises and setting gradually along the direct of travel of band steel: 2 uncoilers 1,1 crop end are cut kink 12 after kink 7 before 2,1 laser welders 3,1 group of entry loop 4,2 stand cold-rollings 5,1 group of defatting machine 6, the 1 group of annealing, 1 continuous annealing furnace 8,1 descaling mill 9,1 cover shot-blasting machine 10,1 cover pickling machine 11, the 1 group of pickling, 1 planisher 13,1 group of outlet kink 14,1 segmentation and are cut 15 and 1 coiling machines 16.Wherein entry loop 4 preferred disposition are the vertical loop of 80-160m.

Each equipment in this production line is formed compact and reasonable, production technology smoothness, each capacity of equipment coupling.Production line arranges 1 laser welder 3, has guaranteed band steel weldquality, has improved lumber recovery, has reduced the THICKNESS CONTROL difficulty.Entry loop 4 is optimized improvement, and mill speed remains on the creep speed of 10-30m/min during welding, has reduced equipment investment and construction investment under the prerequisite that does not reduce production line output.Set up the band steel of 1 planisher after to pickling and carry out smoothly, can obtain the product near 2B/2D, rise and to be directly used in industrial production, thereby formed short flow process production model, reduced production cost, improved productivity ratio.Set up 1 cover outlet kink, make the band steel when nibbling shear, planisher can carry out smooth with the speed of 10-30m/min to the band steel, prevent that planisher from causing thickness overproof to the band steel in the change process of operation and halted state, thereby guaranteed the product quality of band steel.

It should be noted that above cited embodiment only is specific embodiment of the utility model.Obviously the utility model is not limited to above embodiment, and the similar variation of thereupon making or distortion all are that those skilled in the art can directly draw or be easy to and associate from the disclosed content of the utility model, all should belong to protection domain of the present utility model.

Claims (7)

1. a stainless steel is black twists in line mill-annealed pickling lines, it is characterized in that, comprises successively along stainless direct of travel:
One uncoiling unit; One crop end is cut; One welding machine; One group of entry loop; One cold rolling unit; One group of defatting machine; Kink before one group of annealing; One annealing furnace; One descaling mill; One shot-blasting machine; One pickling machine; Kink after one group of pickling; One planisher; One group of outlet kink; One segmentation is cut and a coiling machine.
2. stainless steel as claimed in claim 1 is black twists in line mill-annealed pickling lines, it is characterized in that described welding machine is laser welder.
3. stainless steel as claimed in claim 1 is black twists in line mill-annealed pickling lines, it is characterized in that described entry loop is vertical loop.
4. stainless steel as claimed in claim 3 is black twists in line mill-annealed pickling lines, it is characterized in that the band steel memory space of described vertical loop is 80-160m.
5. stainless steel as claimed in claim 1 is black twists in line mill-annealed pickling lines, it is characterized in that described uncoiling unit comprises two uncoilers.
6. stainless steel as claimed in claim 1 is black twists in line mill-annealed pickling lines, it is characterized in that described cold rolling unit comprises two cold-rolling mills.
7. stainless steel as claimed in claim 1 is black twists in line mill-annealed pickling lines, it is characterized in that described annealing furnace is continuous annealing furnace.
CN 201320077489 2013-02-19 2013-02-19 Stainless steel black roll online rolling annealing pickling production line CN203170699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320077489 CN203170699U (en) 2013-02-19 2013-02-19 Stainless steel black roll online rolling annealing pickling production line

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Application Number Priority Date Filing Date Title
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CN203170699U true CN203170699U (en) 2013-09-04

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668251A (en) * 2013-12-10 2014-03-26 武汉钢铁(集团)公司 Pickling process and device utilizing residual heat of hot rolled silicon steel strip
CN104043651A (en) * 2014-06-20 2014-09-17 甘肃酒钢集团宏兴钢铁股份有限公司 Novel pickling method for ferritic stainless steel black coil and continuous pickling line
CN105002348A (en) * 2015-07-11 2015-10-28 山东泰山钢铁集团有限公司 Continuous annealing acid pickling system and method for hot rolling stainless steel composite steel belt
CN105171547A (en) * 2015-09-30 2015-12-23 无锡市方正金属捆带有限公司 Steel strip polishing device
CN107838193A (en) * 2016-09-19 2018-03-27 烨联钢铁股份有限公司 Composite type cold rolling line
CN108405608A (en) * 2018-02-08 2018-08-17 中冶南方工程技术有限公司 A kind of stainless-steel cold-rolling production unit and its production method
CN108906888A (en) * 2018-07-04 2018-11-30 山西太钢不锈钢股份有限公司 Stainless-steel cold-rolling strip production equipment

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668251A (en) * 2013-12-10 2014-03-26 武汉钢铁(集团)公司 Pickling process and device utilizing residual heat of hot rolled silicon steel strip
CN103668251B (en) * 2013-12-10 2016-06-29 武汉钢铁(集团)公司 More than hot rolled silicon steel band, temperature utilizes acid cleaning process and device thereof
CN104043651A (en) * 2014-06-20 2014-09-17 甘肃酒钢集团宏兴钢铁股份有限公司 Novel pickling method for ferritic stainless steel black coil and continuous pickling line
CN105002348A (en) * 2015-07-11 2015-10-28 山东泰山钢铁集团有限公司 Continuous annealing acid pickling system and method for hot rolling stainless steel composite steel belt
CN105171547A (en) * 2015-09-30 2015-12-23 无锡市方正金属捆带有限公司 Steel strip polishing device
CN107838193A (en) * 2016-09-19 2018-03-27 烨联钢铁股份有限公司 Composite type cold rolling line
CN108405608A (en) * 2018-02-08 2018-08-17 中冶南方工程技术有限公司 A kind of stainless-steel cold-rolling production unit and its production method
CN108906888A (en) * 2018-07-04 2018-11-30 山西太钢不锈钢股份有限公司 Stainless-steel cold-rolling strip production equipment

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Effective date of registration: 20180411

Address after: 066004 No. 71, Longhai Road, Qinhuangdao economic and Technological Development Zone, Hebei

Patentee after: MCC Qinhuangdao engineering design & Research Institute Co Ltd

Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 47

Patentee before: BERIS Engineering and Research Corporation QHD Branch

TR01 Transfer of patent right