CN215143429U - Magnetic separation descaling device for thin strip steel and descaling system thereof - Google Patents
Magnetic separation descaling device for thin strip steel and descaling system thereof Download PDFInfo
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- CN215143429U CN215143429U CN202121314940.XU CN202121314940U CN215143429U CN 215143429 U CN215143429 U CN 215143429U CN 202121314940 U CN202121314940 U CN 202121314940U CN 215143429 U CN215143429 U CN 215143429U
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Abstract
The utility model discloses a thin belted steel is with magnetic separation descaling device and descaling system thereof, descaling device, including the S roller subassembly that is used for belted steel S winding shaping, be located the magnetic device of inhaling on the upper end of S roller subassembly one side and be located the magnetic device of inhaling down of S assembly opposite side lower extreme, the S roller subassembly includes that the axis is parallel to each other and from the top down sets gradually one side and belted steel first side surface laminating last roller and one side and belted steel second side surface laminating lower roll, the magnetic device of inhaling is relative with last roller to with laminating the oxide layer on one side surface of belted steel on last roller to adsorb; the lower magnetic attraction device is opposite to the lower roller and is used for adsorbing an oxide layer attached to the surface of the other side of the strip steel on the lower roller. Compared with the prior descaling mode which mainly combines the tension leveler and the acid cleaning, the utility model has the advantages that the acid cleaning is carried out without using hydrochloric acid, the use of hydrochloric acid is overcome, the problem of subsequent acid treatment is solved, and the environmental protection is high.
Description
Technical Field
The utility model relates to a metal product processing field, concretely relates to thin magnetic separation descaling device for steel strip and descaling system thereof.
Background
The existing hot rolled coil is curled into a coil after heating, rolling, cooling and high temperatureDuring the rolling process, the surface of the strip undergoes multiple descales and multiple oxidations, and the surface of the strip finally formed forms a stable oxide skin layer. Through experimental analysis, the oxide layer structure of the hot-rolled coiled material is sequentially FeO and Fe from inside to outside3O4、Fe2O3Wherein FeO content is the highest, Fe3O4A slightly higher oxygen content in Fe2O3The content of the intermediate is the lowest. If the scale generated at high temperature is not cleaned in the subsequent treatment process, pockmarks (pitted surfaces) or zinc plating leakage can be generated on the surface of the strip steel due to the pressing of the scale during the subsequent cold rolling, so that the surface quality of subsequent products is influenced.
Descaling on the existing pickling line and the existing pickling line is mainly completed by combining a tension leveler and pickling. The descaling process section of the withdrawal and straightening machine mainly comprises the step of repeatedly bending the strip steel under the action of tensile force in a mechanical force mode to break and break iron oxide scales on the surface of the strip steel and peel the strip steel, and then the strip steel enters the pickling process section. Spraying acid liquor to the running direction of the strip steel to form turbulent flow, removing iron scales on the surface of the strip steel through chemical reaction, rinsing to remove residual acid liquor, and drying the strip steel through hot air. Because the national environmental protection is more and more important, the requirements of improving the descaling efficiency and reducing the acid liquor consumption by developing efficient descaling treatment are urgent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the magnetic separation descaling device for the thin strip steel and the descaling system thereof are provided, and the technical problems of high acid liquor disposal, high environment-friendly input cost and the like in the conventional withdrawal and straightening machine and pickling combined treatment are solved.
The utility model adopts the technical scheme as follows:
a magnetic separation descaling device for thin strip steel comprises an S roller assembly for strip steel S winding forming, an upper magnetic attraction device positioned at the upper end of one side of the S roller assembly and a lower magnetic attraction device positioned at the lower end of the other side of the S roller assembly, wherein the S roller assembly comprises an upper roller and a lower roller, the axes of the upper roller and the lower roller are parallel to each other, one side of the upper roller is attached to the first side surface of the strip steel, and the lower roller is sequentially arranged from top to bottom; the lower magnetic attraction device is opposite to the lower roller and is used for adsorbing an oxide layer attached to the surface of the other side of the strip steel on the lower roller.
Further, still including being located S roller subassembly one side and the 1# tensioning deviation correcting device and the grinding descaling device that are used for belted steel that set gradually, the grinding descaling device is including being provided with the descaling piece that is used for loading the recess of grindstone and installing just through magnetism inhale the crooked electromagnet device of belted steel that will be located the recess in recess one side, the one end of recess is provided with and supplies belted steel male entry port, the other end to be provided with the passway-through mouth that supplies the belted steel to wear out.
Furthermore, a rolling brush assembly for cleaning the surface of the strip steel is arranged on one side, close to the penetrating port, of the inner wall of the descaling part, and the rolling brush assembly comprises a lower rolling brush for cleaning the first side surface of the strip steel and an upper rolling brush for cleaning the second side surface of the strip steel, which are arranged on the inner wall of the descaling part.
Furthermore, a dust cover covering the upper part of the notch is arranged on the notch of the groove, and an inlet and an outlet are respectively formed at two ends of the dust cover and two ends of the descaling part.
Furthermore, a plurality of feeding holes are formed in the top surface of the dust cover, and hoppers are mounted in the feeding holes; the dust cover is provided with a dust removal hole, a dust removal pipeline connected with a fan is connected to the dust removal hole, and dust between the groove and the dust cover is sucked out through the fan.
Furthermore, the upper magnetic attraction device and the lower magnetic attraction device are both vertical ring magnetic separators.
A descaling system for thin strip steel comprises an uncoiling and clamping device, a conveying platform, a descaling device, a No. 2 tensioning and deviation correcting device, a shearing platform, a tail clamping and conveying device and a crimping machine, wherein the descaling device comprises an S roller assembly for S winding forming of strip steel, an upper magnetic attraction device positioned at the upper end of one side of the S roller assembly and a lower magnetic attraction device positioned at the lower end of the other side of the S roller assembly, the S roller assembly comprises an upper roller and a lower roller, the upper roller and the lower roller are parallel to each other in axis and sequentially arranged from top to bottom, one side of the upper roller is attached to the first side surface of the strip steel, one side of the lower roller is attached to the second side surface of the strip steel, the upper magnetic attraction device is opposite to the upper roller and positioned on one side of the strip steel, and the upper magnetic attraction device adsorbs an oxide layer attached to the second side surface of the strip steel on the upper roller; the lower magnetic attraction device is opposite to the lower roller and located on one side, away from the lower roller, of the strip steel, the oxide layer attached to the first side surface of the strip steel on the lower roller is attracted, and the lower magnetic attraction device is located on one side, close to the conveying platform, of the S assembly.
Further, the uncoiling and clamping device comprises a No. 1 uncoiler, a No. 1 clamping device, a No. 2 uncoiler, a No. 2 clamping device and a welding machine which are sequentially arranged along the transmission line.
Furthermore, the 2# tensioning deviation correcting device has two groups, and the two groups are arranged adjacently, and the shearing platform is located above one side of the 2# tensioning deviation correcting device.
A method of descaling thin strip steel, said method being based on a weighted descaling system;
the method comprises the following steps:
the strip steel is firstly uncoiled and clamped by an uncoiling and clamping device, then is moved to a conveying platform, and is moved to a descaling device by the conveying platform to be descaled; when the strip steel moves to the descaling device, the strip steel moves to the S roller assembly, the S roller assembly not only tensions and corrects the deviation of the strip steel, but also bends and deforms the strip steel through the S roller: firstly, wrapping an upper roll along one side, far away from the uncoiling and clamping device, of the upper roll by the strip steel, enabling the upper roll attached to the first side surface of the strip steel to be far away from one side of the uncoiling and clamping device, then wrapping a lower roll along one side, close to the uncoiling and clamping device, of the lower roll after the strip steel passes through a space between the upper roll and the lower roll, and enabling the lower roll attached to the second side surface of the strip steel to be close to one side of the uncoiling and clamping device;
the upper magnetic attraction device adsorbs an oxide layer on the surface of one side of the strip steel attached to the upper roller; the lower magnetic attraction device is used for attracting the oxide layer on the surface of the other side of the strip steel attached to the lower roller;
and then the strip steel is tensioned and corrected by the No. 2 tensioning and correcting device, is cut off by the shearing platform, and is sent into a crimping machine by the tail clamping and conveying device to finish the crimping operation.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a thin steel strip is with magnetic separation descaling device and descaling system thereof can be in the operation of belted steel, through S roller subassembly this kind of structure tensioning and rectifying to the removal of belted steel, the smooth removal of belted steel of being convenient for; meanwhile, the strip steel can be bent into an S shape through the S-shaped roller assembly, so that the surface of one side of the strip steel is extruded, and the other side of the strip steel is stretched, and thus the fluffy oxide layer on the surface of the strip steel is further loosened or actively fallen off through the bending deformation of the strip steel, and the strip steel is convenient to remove;
2. compared with the prior descaling mode mainly combining a withdrawal and straightening machine and pickling, the magnetic separation descaling device for the thin strip steel and the descaling system thereof do not need hydrochloric acid for pickling, overcome the use of hydrochloric acid, solve the problem of subsequent acid treatment and have high environmental protection;
3. the utility model relates to a thin magnetic separation descaling device for steel strip and descaling system thereof, the electromagnet device can not only keep the burying depth of the steel strip in the descaling part by the magnetic adsorption of the steel strip, so that the periphery of the steel strip is covered by the grindstone, thereby moving the steel strip to move relative to the grindstone, and then grinding and descaling the surface of the steel strip by the dead weight and the friction force of the grindstone; meanwhile, because the oxide layer on the surface of the strip steel is fluffy, the strip steel is bent by the magnetic adsorption of the electromagnet device, so that the surface of the strip steel, which is far away from the electromagnet device, is extruded, and one side, which is close to the electromagnet device, is stretched, thus the fluffy oxide layer on the surface of the strip steel is further loosened or actively falls off by the bending deformation of the strip steel, and the strip steel is convenient to remove;
4. the utility model relates to a thin magnetic separation descaling device for steel strip and descaling system thereof, firstly remove the oxide layer with large bulkiness on the surface of the steel strip through components such as an S roller component, and then grind the surface of the steel strip through a grinding stone, so that the oxide layer on the surface of the steel strip is removed more thoroughly, and the descaling effect is improved;
5. the utility model relates to a thin magnetic separation descaling device for steel strip and descaling system thereof utilizes the ore grinding descaling mode, further realizes to merge the descaling and the ore grinding process, has exempted partial ore grinding process time, reduces the preceding ore dressing or sintering pelletizing process cost, and owing to have the iron oxide, and then and has improved the ore grade after grinding, produces surface quality fine simultaneously, realizes replacing the cold-rolled sheet with the hot-rolled sheet, reduce cost;
6. the utility model relates to a thin magnetic separation descaling device for steel strip and descaling system thereof, welding machine are used for getting up two belted steel welding, and the follow-up descaling operation of being convenient for just goes on high-efficiently smoothly, specifically as follows: after the strip steel on the No. 1 uncoiler is uncoiled, in order to ensure the continuity of the subsequent strip steel, the No. 2 uncoiler uncoils, and the No. 2 clamping and conveying device clamps and conveys the strip steel, so that the strip tail of the strip steel processed by the No. 1 uncoiler and the strip head of the strip steel uncoiled by the No. 2 uncoiler are connected at a welding machine and then conveyed to the next station, thereby realizing the continuous production without stopping, and ensuring the high-efficiency production.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the proportional relationship of each component in the drawings in this specification does not represent the proportional relationship in the actual material selection design, and it is only a schematic diagram of the structure or the position, in which:
FIG. 1 is a schematic view of the structure of the descaling device of the present invention
FIG. 2 is a schematic view of the grinding and descaling device according to the present invention;
FIG. 3 is a schematic view of the structure of the descaling system.
Reference numerals in the drawings indicate:
1-an upper magnetic attraction device, 2-a lower magnetic attraction device, 3-an upper roller, 4-a lower roller, 5-a penetrating outlet, 6-a groove, 7-a descaling piece, 8-an electromagnet device, 9-an inlet, 10-a lower rolling brush, 11-an upper rolling brush, 12-a dust cover, 13-a feeding hole, 14-a hopper, 15-a dust removal pipeline, 16-a conveying platform, 17-2# a tensioning and deviation correcting device, 18-a shearing platform, 19-a tail clamping and conveying device, 20-a crimping machine, 21-1# an uncoiling machine, 22-1# a clamping and conveying device, 23-2# an uncoiling machine, 24-2# a clamping and conveying device and 25-a welding machine; 26-strip steel, 27-grinding stone, 28-discharging disc, 29-magnetic pole, 30-supporting frame, 31-spherical arc plate, 32-auxiliary supporting plate and 33-1# tensioning deviation correcting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention.
The present invention will be described in detail with reference to fig. 1 to 3.
Example 1
As shown in fig. 1, the utility model relates to a magnetic separation descaling device for thin strip steel, including the S roller component that is used for belted steel S winding shaping, be located the upper magnetism suction means 1 of S roller component one side upper end and be located the lower magnetism suction means 2 of S component opposite side lower extreme, the S roller component includes that the axis is parallel to each other and from last one side that sets gradually down and belted steel first side surface laminating last roller 3 and one side and belted steel second side surface laminating lower roll 4, the last magnetism suction means 1 is relative with last roller 3, and is located belted steel keep away from one side of last roller 3, and it adsorbs the oxide layer that laminates on the belted steel second side surface on last roller 3; the lower magnetic attraction device 2 is opposite to the lower roller 4 and is positioned at one side of the strip steel, which is far away from the lower roller 4, and the lower magnetic attraction device adsorbs an oxidation layer attached to the first side surface of the strip steel on the lower roller 4.
During descaling, for example, the thin hot rolled steel of the hot high-strength HSLA590 preparation of 6mm thick specification, promptly the belted steel is sent via carrying platform the utility model discloses a descaling device department: the strip steel moves onto the S roller assembly, the S roller assembly not only tensions and corrects the deviation of the strip steel, but also bends and deforms the strip steel through the S roller: firstly, wrapping an upper roll 3 along one side, away from the uncoiling and clamping device, of the upper roll 3, so that the upper roll 3 attached to the first side surface of the strip steel is away from one side of the uncoiling and clamping device, then, wrapping a lower roll 4 along one side, close to the uncoiling and clamping device, of the lower roll 4 after the strip steel passes through a space between the upper roll 3 and the lower roll 4, and so that the lower roll 4 attached to the second side surface of the strip steel is close to one side of the uncoiling and clamping device; the upper magnetic attraction device 1 is used for attracting the oxide layer attached to the second side surface of the strip steel on the upper roller 3; the lower magnetic attraction device 2 is used for attracting the oxide layer on the first side surface of the strip steel attached to the lower roller 4.
The magnetic attraction device can adopt an electromagnet, and then an oxide layer magnetically attracted on the electromagnet and coming from the strip steel is removed through automatic unloading or manually removed. The utility model discloses in, magnetic attraction device preferably adopts upright ring magnetic separator, and its magnetic separation wheel is relative with belted steel around the package on each roller after magnetic pole magnetization, and the magnetic separation wheel will attach the Fe in belted steel surface three-layer iron oxide structure2O3Layer and Fe carrying part of FeO3O4The layer is magnetically adsorbed on a magnetic separation wheel of the vertical ring magnetic separator 8. Because the FeO layer structure is called fluffy and has poor binding force, the iron oxide layer on the strip steel is directly stripped from the innermost FeO part when stripped. Adsorb Fe2O3Layer and Fe carrying part of FeO3O4When the magnetic separation wheel of the laminated vertical ring magnetic separator rotates and is right below the rotation, because the part is far away from the original magnetic pole and the magnetic field is weak, after the magnetic separation wheel is demagnetized, under the action of gravity, Fe2O3Layer and Fe carrying part of FeO3O4The layer falls off at the tray.
In the utility model, the descaling device for the oxide layer on the surface of the strip steel by adopting the scheme can tension and correct the displacement of the strip steel by the structure of the S roller component in the running process of the strip steel, thereby facilitating the smooth displacement of the strip steel; meanwhile, the strip steel can be bent into an S shape through the S-shaped roller assembly, so that the surface of one side of the strip steel is extruded, and the other side of the strip steel is stretched, and thus the oxidation layer on the fluffy surface of the strip steel is further loosened or actively dropped off through the bending deformation of the strip steel, and the strip steel is convenient to remove.
Compared with the prior descaling mode which mainly combines the tension leveler and the acid cleaning, the utility model has the advantages that the acid cleaning is carried out without using hydrochloric acid, the use of hydrochloric acid is overcome, the problem of subsequent acid treatment is solved, and the environmental protection is high.
The utility model discloses in, magnetism is inhaled the device and can also be installed inside the roller that corresponds, and the roller surface is network structure, and magnetism is inhaled the device like this and is adsorbed belted steel laminating oxide layer on the surface on the roller.
Example 2
This embodiment is further described with reference to embodiment 1.
As shown in fig. 2, the utility model discloses still including setting gradually at last magnetism inhale device 1 keep away from 1# tensioning deviation correcting device and the grinding descaling device that is used for belted steel of S roller subassembly one side, the grinding descaling device is including being provided with the descaling piece 7 that is used for loading the recess 6 of grindstone and installing recess 6 one side and inhale the crooked electromagnet device 8 of belted steel that will be located recess 6 through magnetism, the one end of recess 6 is provided with and supplies belted steel male inlet port 9, the other end to be provided with the mouth of wearing out 5 that supplies belted steel to wear out.
The strip steel penetrates into the groove 2 from the inlet 9 and penetrates out from the outlet 5; the grinding stone is preferably ore, in particular specularite granular ore of 5-15 mm.
The electromagnetic device 8 is used for carrying out magnetic adsorption on the strip steel, so that the burying depth of the strip steel in the descaling part 7 can be kept, the periphery of the strip steel is covered by the grinding stones, the strip steel is moved relative to the grinding stones by moving the strip steel, and then the surface of the strip steel is ground and descaled by the self weight and the friction force of the grinding stones; meanwhile, because the oxide layer on the surface of the strip steel is fluffy, the strip steel is bent by the magnetic adsorption of the electromagnet device 8, so that the surface of the strip steel, which is far away from the electromagnet device 8, is extruded, and one side, which is close to the electromagnet device 8, is stretched, and the fluffy oxide layer on the surface of the strip steel is further loosened or actively falls off by the bending deformation of the strip steel, so that the strip steel is convenient to remove.
The utility model discloses in, earlier get rid of the big oxide layer of belted steel surface fluffy degree through parts such as S roller subassembly, then the rethread grindstone grinds belted steel surface to make belted steel surface oxide layer get rid of more thoroughly, promote the descaling effect. Meanwhile, the required number of grinding descaling devices can be arranged according to the actual required descaling requirement, and corresponding tensioning deviation-correcting devices are configured.
Further, a rolling brush assembly for cleaning the surface of the strip steel is arranged on one side of the inner wall of the descaling part 7 close to the through hole 5, and the rolling brush assembly comprises a lower rolling brush 10 for cleaning the first side surface of the strip steel and an upper rolling brush 11 for cleaning the second side surface of the strip steel, which are both arranged on the inner wall of the descaling part 7.
The rolling brush component cleans and removes powder on the strip steel, so that the powder of the strip steel in the process of descaling by the grinding stone is retained in the groove and does not move to the outside along with the passing out of the strip steel.
The grinding stones are made of ores, so that the grinding stones can be used for descaling the surface of the strip steel to finish the surface treatment operation of the strip steel; and the oxide skin on the surface of the strip steel can be ground into the ore, so that the grade of the ore is improved, and multiple purposes are achieved.
The utility model discloses utilize the ore deposit to grind the scale removal mode, further realize will descale and the ore grinds the process merges, exempt from partial ore and ground the process time, reduce front road ore dressing or sintering pelletizing process cost, and owing to have the iron oxide, and then and improved and ground back ore grade, it is good to produce surface quality simultaneously, realizes replacing cold-rolled sheet, reduce cost with the hot rolled sheet.
Further, a dust cover 12 covering the upper part of the notch is arranged on the notch of the groove 6, and preferably, the dust cover is buckled on the descaling part; the two ends of the dust cover 12 and the two ends of the descaler 7 form an inlet 9 and an outlet 5 respectively.
Further, a plurality of feeding holes 13 are arranged on the top surface of the dust cover 12, and hoppers 14 are mounted in the feeding holes 13; the dust cover 12 is provided with a dust removing hole, a dust removing pipeline 15 connected with a fan is connected to the dust removing hole, and dust between the groove 6 and the dust cover 12 is sucked out through the fan.
The grindstone can be thrown into the groove through the feed hole; simultaneously preferably, be provided with the dust removal hole on the dust cover, the dust removal pipeline that is connected with the fan is inserted to the hole of removing dust, and it is excessive to reduce the dust through the dust suction of fan between with recess and the dust cover, reduces the dust concentration in workshop.
The following structure is preferably adopted with respect to the scale removing member: the descaling part comprises a supporting frame 30, a spherical arc plate 31 which is positioned on the supporting frame 30 and fixed on the supporting frame 30 and is used for forming the groove bottom of the groove 6.
Further, a plurality of auxiliary support plates 32 are arranged between the spherical arc plate 31 and the support frame 30, and the upper and lower ends of the auxiliary support plates 32 are respectively connected with the outer convex surface of the spherical arc plate 31 and the bottom of the support frame 30.
Example 3
A descaling system for thin strip steel comprises an uncoiling and clamping device, a conveying platform 16, a descaling device, a No. 2 tensioning and deviation correcting device 17, a shearing platform 18, a tail clamping device 19 and a crimping machine 20, wherein the descaling device comprises an S roller assembly for strip steel S winding forming, an upper magnetic attraction device 1 positioned at the upper end of one side of the S roller assembly and a lower magnetic attraction device 2 positioned at the lower end of the other side of the S roller assembly, the S roller assembly comprises an upper roller 3 and a lower roller 4, the axes of the upper roller 3 and the lower roller 2 are parallel to each other and one side of the upper roller is attached to the first side surface of the strip steel from top to bottom in sequence, one side of the lower roller 4 is attached to the second side surface of the strip steel, the upper magnetic attraction device 1 is opposite to the upper roller 3 and positioned at one side of the strip steel far away from the upper roller 3, and adsorbs an oxide layer on the second side surface of the strip steel attached to the upper roller 3; the lower magnetic attraction device 2 is opposite to the lower roller 4 and is positioned on one side of the strip steel away from the lower roller 4, an oxide layer attached to the first side surface of the strip steel on the lower roller 4 is attracted by the lower magnetic attraction device 2, and the lower magnetic attraction device 2 is positioned on one side of the S assembly close to the conveying platform.
Further, the uncoiling and pinching device includes a # 1 uncoiler 21, a # 1 pinching device 22, a # 2 uncoiler 23, a # 2 pinching device 24, and a welder 25, which are provided in this order along the conveyance route.
The welder 25 is used for welding two strip steels, and is convenient for the subsequent descaling operation to be smoothly and efficiently carried out, and specifically comprises the following steps: after the strip steel on the No. 1 uncoiler 21 is uncoiled, in order to ensure the continuity of the subsequent strip steel, the No. 2 uncoiler 23 uncoils, and the No. 2 clamping and conveying device 24 clamps and conveys, so that the strip tail of the strip steel processed by the No. 1 uncoiler and the strip head of the strip steel uncoiled by the No. 2 uncoiler are connected at the welding machine 25 and then are conveyed to the next station, thereby realizing the continuous production without stopping, and ensuring the high-efficiency production.
Furthermore, there are two sets of 2# tensioning deviation correcting devices 17, and the shearing platforms are located above one side of 2# tensioning deviation correcting devices 17.
Example 4
A descaling method of thin strip steel, which is based on the descaling system;
the method comprises the following steps:
the strip steel is firstly uncoiled and clamped by an uncoiling and clamping device, then is moved to a conveying platform 16, and is moved to a descaling device by the conveying platform 16 for descaling operation; when the strip steel moves to the descaling device, the strip steel moves to the S roller assembly, the S roller assembly not only tensions and corrects the deviation of the strip steel, but also bends and deforms the strip steel through the S roller: firstly, wrapping an upper roll 3 along one side, away from the uncoiling and clamping device, of the upper roll 3, so that the upper roll 3 attached to the first side surface of the strip steel is away from one side of the uncoiling and clamping device, then, wrapping a lower roll 4 along one side, close to the uncoiling and clamping device, of the lower roll 4 after the strip steel passes through a space between the upper roll 3 and the lower roll 4, and so that the lower roll 4 attached to the second side surface of the strip steel is close to one side of the uncoiling and clamping device;
the upper magnetic attraction device 1 is used for attracting the oxide layer attached to the second side surface of the strip steel on the upper roller 3; the lower magnetic suction device 2 is used for sucking an oxide layer on the first side surface of the strip steel attached to the lower roller 4;
and then the strip steel is tensioned and corrected by a No. 2 tensioning correction device 17, is sheared by a shearing platform 18, and is sent into a crimping machine 20 by a tail clamping and conveying device 19 to finish the crimping operation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The magnetic separation descaling device for the thin strip steel is characterized by comprising an S roller assembly for winding and forming strip steel S, an upper magnetic attraction device (1) positioned at the upper end of one side of the S roller assembly and a lower magnetic attraction device (2) positioned at the lower end of the other side of the S roller assembly, wherein the S roller assembly comprises an upper roller (3) and a lower roller (4), the axes of the upper roller (3) and the lower roller (4) are parallel to each other, one side of the upper roller (1) is attached to the first side surface of the strip steel, and one side of the lower roller (4) is attached to the second side surface of the strip steel; the lower magnetic attraction device (2) is opposite to the lower roller (4) and is used for attracting the oxide layer attached to the other side surface of the strip steel on the lower roller (4).
2. The magnetic separation descaling device for the thin strip steel according to claim 1, further comprising a # 1 tensioning deviation correcting device and a grinding descaling device for the strip steel, which are positioned on one side of the S-roller assembly and are sequentially arranged, wherein the grinding descaling device comprises a descaling piece (7) provided with a groove (6) for loading grinding stones and an electromagnet device (8) which is arranged on one side of the groove (6) and bends the strip steel positioned in the groove (6) through magnetic attraction, one end of the groove (6) is provided with an inlet (9) for the strip steel to be inserted, and the other end of the groove is provided with an outlet (5) for the strip steel to pass through.
3. The thin strip steel magnetic separation descaling device according to claim 2, wherein a roller brush assembly for cleaning the surface of the strip steel is installed on the inner wall of the descaling part (7) near the outlet (5), and the roller brush assembly comprises a lower roller brush (10) for cleaning the surface of the first side of the strip steel and an upper roller brush (11) for cleaning the surface of the second side of the strip steel, which are installed on the inner wall of the descaling part (7).
4. A thin strip steel magnetic separation descaling device according to claim 3, characterized in that the notch of the groove (6) is provided with a dust cover (12) covering the notch, and the two ends of the dust cover (12) and the two ends of the descaling part (7) form an inlet (9) and an outlet (5), respectively.
5. The thin strip steel magnetic separation descaling device of claim 4, wherein a plurality of feeding holes (13) are provided on the top surface of the dust cover (12), and hoppers (14) are installed in the feeding holes (13); a dust removal hole is formed in the dust cover (12), a dust removal pipeline (15) connected with a fan is connected to the dust removal hole, and dust between the groove (6) and the dust cover (12) is sucked out through the fan.
6. The magnetic separation descaling device for thin strip steel according to claim 1, wherein the upper magnetic attraction device (1) and the lower magnetic attraction device (2) are vertical ring magnetic separators.
7. A descaling system for thin strip steel comprises an uncoiling and clamping device, a conveying platform (16), a descaling device, a No. 2 tensioning and correcting device (17), a shearing platform (18), a tail clamping and conveying device (19) and a crimping machine (20), and is characterized in that the descaling device is the descaling device according to any one of claims 1-6, and the lower magnetic attraction device (2) is located on one side, close to the conveying platform, of an S assembly.
8. The descaling system for thin strip steel according to claim 7, wherein the uncoiling and clamping device comprises a # 1 uncoiler (21), a # 1 clamping device (22), a # 2 uncoiler (23), a # 2 clamping device (24) and a welder (25) which are arranged in sequence along the conveying line.
9. The thin strip steel descaling system according to claim 7, wherein the 2# tensioning deviation correcting devices (17) are arranged in two groups and are adjacent to each other, and the shearing platform is located above one side of the 2# tensioning deviation correcting devices (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314940.XU CN215143429U (en) | 2021-06-11 | 2021-06-11 | Magnetic separation descaling device for thin strip steel and descaling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314940.XU CN215143429U (en) | 2021-06-11 | 2021-06-11 | Magnetic separation descaling device for thin strip steel and descaling system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113210446A (en) * | 2021-06-11 | 2021-08-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Magnetic separation descaling device, descaling system and descaling method for thin strip steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113210446A (en) * | 2021-06-11 | 2021-08-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Magnetic separation descaling device, descaling system and descaling method for thin strip steel |
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