CN102151705B - Device and method for removing oxide skins of steel belt without scouring - Google Patents
Device and method for removing oxide skins of steel belt without scouring Download PDFInfo
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- CN102151705B CN102151705B CN 201010616004 CN201010616004A CN102151705B CN 102151705 B CN102151705 B CN 102151705B CN 201010616004 CN201010616004 CN 201010616004 CN 201010616004 A CN201010616004 A CN 201010616004A CN 102151705 B CN102151705 B CN 102151705B
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Abstract
The invention discloses a device and a method for removing the oxide skins of a steel belt without scouring. The device comprises an import roll and an export roll, wherein at least two deformation rolls which are used for bending the steel belt are arranged between the import roll and the export roll; the deformation rolls are supported by a fluid pressure type working cylinder; and the directions of the adjacent deformation rolls for bending the steel belt are opposite. The device also comprises water jet devices, wherein the water jet devices are connected with water sources and respectively comprise nozzles; the nozzles are located at the opposite sides of the parts of the steel belt in contact with the deformation rolls and point to the outer sides of the parts of the steel belt in contact with the deformation rolls; and between each water jet device and the downstream nearest deformation roll or the export roll, a steel belt liquid removal device is arranged at the same side of a steel belt jet device. Through the invention, the oxide skins on the surface of the steel belt can be effectively removed and the problems of resource waste and pollution of the scouring method for removing oxide scale are avoided at the same time.
Description
Technical field
The invention belongs to special configuration in be installed in the milling train or with the surface of the work treatment facility field that rolling mill for metal is used in conjunction, belong to large group of B21B45 in the IPC classification, particularly relate to a kind of method that pickling is removed steel band oxide skin device and removed steel band oxide skin of exempting from.
Background technology
At present, cold-rolled strip is take hot rolled strip or hot-rolled coil as raw material, carries out repeatedly cold deformation (rolling) through milling train and forms.The oxide skin that the hot-rolled band surface forms when hot rolling is arranged must be in rolling front removal, otherwise can affect end product quality.Traditional handicraft be pickling (generating water-soluble molysite with strong acid and iron or ferriferous oxide reaction)-washing-alkali neutralize-wash-rolling.Pickling is that present scale removal is the most effective and be the method that generally adopts.The problem of bringing is the resources such as a large amount of acid of waste, alkali, water, and the oxide skin that can recycle can't reclaim in the acid owing to being dissolved in, and causes significant wastage.For reducing the pollution to environment, removing acid mist, administering in the work of sewage, spend a large amount of human and material resources, place.Once the someone attempted to replace pickling with physical method, and also once the someone attempts adopting high-pressure water jet to add the method scale removal of abrasive material, but because efficient is not high, can not satisfy need of production, therefore can not get promoting.
Summary of the invention
The present invention provides a kind of pickling removal oxygen steel band oxide skin device of exempting from for solving the technical problem that exists in the known technology, this device can be removed the oxide skin of steel strip surface efficiently, has avoided simultaneously the resource waste and pollution problem of acid washing method scale removal.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
A kind of pickling removal steel band oxide skin device of exempting from, comprise guide-in roller and outlet roller, between described guide-in roller and outlet roller, be provided with at least two distortion rollers that are used for supportting curved steel band, described distortion roller is supported by the fluid pressure type working cylinder, the opposite direction of the curved steel band of support of described adjacent distortion roller, it is characterized in that: also comprise the steel band fluidic device, described steel band fluidic device links to each other with the water source, described steel band fluidic device comprises nozzle, described nozzle is located at the heteropleural of the contact portion of steel band and described distortion roller, described nozzle points to steel band and the lateral surface that is out of shape the roller contact portion, between each steel band fluidic device and downstream nearest distortion roller or outlet roller, also be provided with the steel band liquid removing device at steel band fluidic device homonymy.
The present invention can also adopt following technical scheme:
The spray regime of described nozzle has covered the sweep of steel band on the distortion roller.
Described nozzle vertically is fixedly mounted on the nozzle base, nozzle is by steel band and the center of the midpoint of being out of shape the roller contact portion towards the distortion roller, nozzle and cross current, by bearing eccentric disc is installed on the nozzle base, the center of circle of eccentric disc links to each other with drive unit, guide finger also is installed on nozzle base, and guide finger is inserted in the guide rail of fixed head.
The middle part of described nozzle links to each other with fixed block by the mode of globular hinge, the afterbody of nozzle also is connected with movable block in the mode of globular hinge, movable block and a connecting rod are affixed, and connecting rod and eccentric disc are hinged, and the center of circle of eccentric disc links to each other with drive unit.
Downstream at each steel band fluidic device also is provided with liquid removing device, and described steel band liquid removing device comprises air knife and be used for stopping the baffle plate of waste liquid that air knife links to each other with air pump, air knife sensing steel band and the lateral surface that is out of shape the roller contact portion.Before steel band enters next distortion roller or outlet roller, washing out with the second liquid that is mixed with the oxide skin under peeling off that is out of shape on the roller contact-making surface, prevent from being out of shape roller or outlet roller the oxide skin pressure viscosity on steel band, cause secondary pollution.
Described guide-in roller or described distortion roller surface in each flushing upstream also are provided with fin.
Also be provided with the magnetic slag-draining device below described distortion roller, described magnetic slag-draining device comprises the conveyer belt that is driven reciprocating operation by power source, is fixed with magnet on the conveyer belt, and the top of conveyer belt is provided with corrosion resistant plate.
The present invention provides a kind of method of removing oxygen steel band oxide skin for solving the technical problem that exists in the known technology, and the method can be removed the oxide skin of steel strip surface efficiently, has avoided simultaneously the resource waste and pollution problem of acid washing method scale removal.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
A kind of method of removing steel band oxide skin is characterized in that, may further comprise the steps:
(1) by guide-in roller steel band is imported, by guide-in roller and distortion roller or all by the distortion roller steel band is carried out bending, so that occur loosening between steel strip surface oxide skin and the steel band;
(2) when the distortion roller is propped up steel band and steel band carried out flexural deformation, the abundant perk in oxide skin edge is by steel band fluidic device ejection liquid, washes from different perspectives the oxide skin on steel band and the distortion roller contact portion lateral surface;
(3) above-mentioned roller carries out BENDING PROCESS and corresponding course of injection is at least twice by being out of shape, and should spray once at least each side of steel band;
(4) after each flushing, steel band enters before next distortion roller or the outlet roller, and the liquid of the oxide skin under the steel band liquid removing device is peeled off being mixed with on the steel strip surface cleans out.
(5) by outlet roller steel band is derived.In the method, by nozzle the flushing of steel strip surface has been covered the whole lateral surfaces of steel band with distortion roller contact portion, this covering is to swing by the planar movement of nozzle or along arc surface to realize.
The method also includes the oxide scale residue recycling step, will sweep away the oxide scale residue that comes from steel strip surface by the magnetic slag-draining device and reclaim.
Advantage and good effect that the present invention has are:
After the present invention has adopted above technical scheme, utilize high-pressure pump to give water enough pressure, impact the oxide skin that is in splitting status through the arcuation steel strip surface of distortion roller distortion, be easy to most be removed by water under high pressure, being steel band impacts with same angle and saves the energy paving under the state current, and clearance is high.Guide-in roller and distortion roller are designed to the striped roller, and the surface is provided with fin, and be in the middle of the steel band walking that roller and steel band contact-making surface oxide skin is loosening, makes it easier and peel off.And these two be driven voller, dragged rotation by the motion of steel band, can not damage steel strip surface.Nozzle is installed on the support of eccentric wheel apparatus, because jet expansion is circular, it is a border circular areas that ejection liquid touches zone face, and center pressure is the highest, and there is intersection at adjacent nozzle ejection liquid edge, can realize the seamless connection between the nozzle during work.Because whole scale removal process does not have chemical reaction, oxide skin all reclaims easily, not only accomplishes the resource recycling, and surrounding environment is not polluted yet.Because this device at strip deformation district scale removal, is removed " scale breading " operation of alternating bending in the traditional handicraft from.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the present invention uses view;
Fig. 3 is the steel band fluidic device schematic diagram in the embodiment of the invention 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the steel band fluidic device schematic diagram in the embodiment of the invention 2.
Fig. 6 is the structural representation of magnetic slag-draining device among the present invention.
Among the figure: 1, winder; 2, collection box; 3, outlet roller; 4, magnetic slag-draining device; 41, corrosion resistant plate; 42, magnet; 43, conveyer belt; 5, steel band; 6, distortion roller; 7, steel band fluidic device; 71, drive unit; 72, fixed head; 73, nozzle base; 74, water pipe; 75, nozzle; 76, eccentric disc; 77, guide finger; 78, guide rail; 79, movable block; 710, fixed block; 711, connecting rod; 8, water pump; 9, guide-in roller; 10, water tank; 11, water purification installation; 12, uncoiler; 13, casing; 14, hydraulic cylinder; 151, air knife; 152, baffle plate; 153, air pump.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
Embodiment 1:
See also Fig. 1, Fig. 3, Fig. 4 and Fig. 6,
A kind of pickling removal steel band oxide skin device of exempting from, comprise successively uncoiler 12, guide-in roller 9, outlet roller 3, winder 1, behind described guide-in roller, be provided with at least two distortion rollers 6 that are used for supportting curved steel band 5, described distortion roller is supported by the fluid pressure type working cylinder, the employed fluid pressure type working cylinder of present embodiment is hydraulic cylinder 14, when steel band thinner and when need not larger active force and just steel band can be strutted, also can use cylinder, the opposite direction of the curved steel band of support of described adjacent distortion roller.Also comprise steel band fluidic device 7, described steel band fluidic device links to each other with the water source, described steel band fluidic device comprises nozzle 75, and described nozzle is located at the heteropleural of the contact portion of steel band and described distortion roller, and described nozzle points to steel band and the lateral surface that is out of shape the roller contact portion.The spray regime of described nozzle has covered the sweep of steel band on the distortion roller.Described nozzle vertically is fixedly mounted on the nozzle base 73, nozzle is by steel band and the center of the midpoint of being out of shape the roller contact portion towards the distortion roller, namely when the distortion roller be that jack-up is constantly straight up, the corresponding nozzle of this distortion roller sprays straight down, when the distortion roller is straight down during the jack-up steel band, the corresponding nozzle of this distortion roller sprays straight up, nozzle is communicated with water pipe 74, by bearing eccentric disc 76 is installed on the nozzle base, eccentric disc links to each other with drive unit 71, the junction of eccentric disc and drive unit is eccentric with respect to eccentric disc, guide finger 77 also is installed on nozzle base, guide finger is inserted in the guide rail 78 of fixed head 72, and guide effect is played in the motion of nozzle base.The nozzle configuration of nozzle can be for circular or oval, the convenient processing of circular spout, and oval-shaped major axis is vertical with the traffic direction of steel band, so just can on the width of steel band, more effectively utilize current, avoid the meaningless waste of current on the steel band length direction of circular spout ejection.
Between each steel band fluidic device and downstream nearest distortion roller or outlet roller, also be provided with the steel band liquid removing device at steel band fluidic device homonymy.The steel band liquid removing device comprises air knife 151 and is used for stopping the baffle plate 152 of waste liquid that air knife links to each other with air pump 153, air knife sensing steel band and the lateral surface that is out of shape the roller contact portion.Be provided with the rectangle baffle plate 152 that its length surpasses width of steel band on the steel band side that downward movement tendency is arranged, be provided with reclinate bent plate at baffle plate and steel band direct of travel both sides in the same way, flow out to make things convenient for the current direction both sides, the both sides parallel with width of steel band at baffle plate also are provided with the bent plate that is bent upwards, the liquid of backwash and blow the liquid that spills and again splash to just being with of being dried during with block water jet impulse steel band.In that the upwards other set baffle plate 152 of steel band of movement tendency is arranged, only be provided with reclinate bent plate on the both sides vertical with steel band of baffle plate, the bent plate that is not bent upwards.The steel band liquid removing device before steel band enters next distortion roller or outlet roller, may with the second distortion roller contact-making surface on the liquid that is mixed with the oxide skin under peeling off wash out, prevent from being out of shape roller or outlet roller the oxide skin pressure viscosity on steel band, cause secondary pollution.
Distortion roller and steel band fluidic device should arrange two at least, to guarantee broken to the oxide skin of steel band two sides and to remove operation.
Described guide-in roller or described distortion roller surface before each flushing also are provided with fin, this fin breaks up the oxide skin of steel strip surface, the slit that formation can supply water under high pressure to enter, because this slit is the inner surface that is in crooked steel band in this distortion, just be in the outer surface of steel band when next time crooked again, these slits just are conducive to High-Pressure Water and enter into the slit oxide skin is impacted.
Also be provided with magnetic slag-draining device 4, the magnetic slag-draining device comprises the conveyer belt 43 that is driven reciprocating operation by power source, be fixed with permanent magnet 42 on this conveyer belt, the top of conveyer belt is provided with plays the corrosion resistant plate 41 of collecting the oxide scale residue effect, the magnet that moves with conveyer belt sees through the oxide skin that corrosion resistant plate absorption is impacted, and drive it from the casing 13 interior discharges of scale removal device, fall in the collection box 2.
The present invention not only can use separately, has the steel band of oxide skin to clear up as the equipment effects on surface of a platform independent, can also be attached in other equipment, has not so just needed independently uncoiler and winder.
Embodiment 2:
See also Fig. 1, Fig. 5 and Fig. 6, in the present embodiment, it is basic identical with embodiment 1 to exempt from pickling removal steel band oxide skin apparatus structure, its difference is the steel band fluidic device among the embodiment 1 is moved by moving to change into along taper seat along the face of cylinder, its concrete structure is: the middle part of nozzle links to each other with fixed block 710 by the mode of globular hinge, the afterbody of nozzle also is connected with movable block 79 in the mode of globular hinge, movable block and a connecting rod 711 are affixed, connecting rod and eccentric disc 76 are hinged, the center of circle of hinged position non-eccentricity disk, the center of circle of eccentric disc links to each other with drive unit.The movement locus of the pin joint of connecting rod and eccentric disc is the movement locus of movable block, the movement locus of nozzle afterbody namely, because the nozzle afterbody is that the edge is with circular motion, the middle part of adding nozzle is fixed, so the head of nozzle just can be along the outside inject high pressure water of arc surface, input and the oxide skin of output place and crack steel band body between of steel band in distortion bending part impacted realizing.
Operating principle of the present invention is:
Because surface attachment has the steel band of oxide skin when having passed through guide-in roller, bending has occured, so oxide skin has had certain separating with steel band, and two kinds of slits have been formed, be called the first slit and the second slit, the first slit be opening towards the slit of steel band direction of advance, the second slit is that opening is towards the slit opposite with the steel band direction of advance.When the first slit runs to the upstream end of distortion roller, the opening in the first slit is just towards nozzle, because nozzle moves, the High-Pressure Water of its ejection can be with the first slit gap, so that oxide skin comes off.In like manner, when the second slit ran to the output of distortion roller, the second slit also can be washed open by current, and oxide skin comes off, thereby realized the scale removal operation to the single face steel band.This process amounts to should carry out twice at least, and each side of steel band is carried out once at least.
Embodiment 3:
See also Fig. 1 and Fig. 2,
A kind of method of removing steel band oxide skin may further comprise the steps:
(1) by guide-in roller steel band is imported, by guide-in roller and distortion roller or all by the distortion roller steel band is carried out bending, so that occur loosening between steel strip surface oxide skin and the steel band;
(2) when the distortion roller is propped up steel band and steel band carried out flexural deformation, the abundant perk in oxide skin edge is by steel band fluidic device ejection liquid, washes from different perspectives the oxide skin on steel band and the distortion roller contact portion lateral surface;
(3) above-mentioned roller carries out BENDING PROCESS and corresponding course of injection is at least twice by being out of shape, and should spray once at least each side of steel band;
(4) after each flushing, steel band enters before next distortion roller or the outlet roller, and the liquid of the oxide skin under the steel band liquid removing device is peeled off being mixed with on the steel strip surface cleans out;
(5) by outlet roller steel band is derived.In the method, by nozzle the flushing of steel strip surface has been covered the whole lateral surfaces of steel band with distortion roller contact portion, this covering is to swing by the planar movement of nozzle or along arc surface to realize.
Because above-mentioned steps is independently finished at an equipment among the cited embodiment of the present invention, thus before guide-in roller imports steel band, also include steel band uncoiling step, after outlet roller is derived steel band, also include steel band with the rolling step.When method of the present invention is to be combined in other process procedures, when independently not using, can cancel according to circumstances uncoiling and rolling step.
Wherein, step (2) has covered the whole lateral surfaces of steel band with distortion roller contact portion by nozzle to the flushing of steel strip surface, and this covering is to swing by the planar movement of nozzle or along arc surface to realize.
In addition, the method for this removal steel strip surface oxide skin also includes the oxide scale residue recycling step, will sweep away the oxide scale residue that comes from steel strip surface by the magnetic slag-draining device and reclaim, and falls in the collection box, realizes the recycling to oxide scale residue.
Before washing at every turn, surface attachment has the steel band of oxide skin passing through bending, oxide skin has had certain separating with steel band, and two kinds of slits have been formed, be called the first slit and the second slit, the first slit be opening towards the slit of steel band direction of advance, the second slit is that opening is towards the slit opposite with the steel band direction of advance.Run to the upstream end of distortion roller when the first slit, the opening in the first slit is just towards nozzle, because nozzle moves, its ejection scope can cover upstream end and the output of distortion roller, the High-Pressure Water of its ejection can will be positioned at the first slit of input to be chipped, so that oxide skin comes off.In like manner, when the second slit ran to the output of distortion roller, the second slit also can be washed open towards the current of distortion roller output, and oxide skin comes off, thereby realizes the scale removal operation to the single face steel band.This process amounts to should carry out twice at least, and each side of steel band is carried out once at least.
In addition, sweep away the waste water that comes from steel strip surface and also reclaim by the water purification installation 11 that links to each other with bottom half, and be back in the water tank 10, pumped by high-pressure hydraulic pump 8 again, continue recycling, thereby avoided the waste of water resource.
More than the combination of two steps, a large amount of consumption of acid solution in the process of use pickling scale removal in the prior art just can have been avoided, ferro element in the oxide skin is soluble in water and cause being difficult to reclaim the problem of ferro element with ionic species, avoid the waste of iron and steel and acid solution, also avoided being rich in the acid solution discharge of iron ion simultaneously to the pollution of environment.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiment, the above-mentioned specific embodiment only is schematic, be not restrictive, those of ordinary skill in the art is under enlightenment of the present invention, do not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, for example: the spray regime of (1) nozzle has not covered the sweep of steel band on the distortion roller by mode mobile or that swing, but adopted fixed nozzle, but by increasing in groups the quantity of distortion roller and nozzle, for example become 4 groups or more organize number with two groups among the embodiment, the nozzle at each distortion roller place is all towards the direction of steel band input or the direction of all exporting towards steel band, so that the highly pressurised liquid of ejection still can be ejected in the slit of oxide skin and steel strip surface, oxide skin is fractureed, to reach the purpose of scale removal, (2) spray regime of nozzle has not covered the sweep of steel band on the distortion roller by mode mobile or that swing, but adopted fixed nozzle, but comprised towards the nozzle of steel band input direction with towards the nozzle of steel band outbound course at row's nozzle of the sweep of each distortion on roller at steel band, these nozzles are arranged in a crossed manner, but these nozzles are fixed; (3) the scale removal device does not comprise automatic slag discharge device, and the oxide skin of steel band is the bottom that is deposited in equipment, by artificial periodic cleaning or until acquire a certain degree rear scale blowing of accumulating amount; (4) surface of guide-in roller and first distortion roller from the porch does not have fin, but has played the effect of scale removal by crooked and injection water yet; (5) with the movement of nozzle by along the face of cylinder or taper seat swing and become linear reciprocation and move.These all belong within protection scope of the present invention.
Claims (9)
1. exempt from pickling removal steel band oxide skin device for one kind, comprise guide-in roller and outlet roller, between described guide-in roller and outlet roller, be provided with at least two distortion rollers that are used for supportting curved steel band, described distortion roller is supported by the fluid pressure type working cylinder, the opposite direction of the curved steel band of support of described adjacent distortion roller, it is characterized in that: also comprise the steel band fluidic device, described steel band fluidic device links to each other with the water source, described steel band fluidic device comprises nozzle, described nozzle is located at the heteropleural of the contact portion of steel band and described distortion roller, described nozzle points to steel band and the lateral surface that is out of shape the roller contact portion, between each steel band fluidic device and downstream nearest distortion roller or outlet roller, also be provided with the steel band liquid removing device at steel band fluidic device homonymy, described steel band liquid removing device comprises air knife and is used for stopping the baffle plate of waste liquid, air knife links to each other with air pump, and air knife points to steel band and the lateral surface that is out of shape the roller contact portion.
2. according to claim 1ly exempt from pickling and remove steel band oxide skin device, it is characterized in that: the spray regime of described nozzle has covered the sweep of steel band on the distortion roller.
3. according to claim 2ly exempt from pickling and remove steel band oxide skin device, it is characterized in that: described nozzle vertically is fixedly mounted on the nozzle base, nozzle is by steel band and the center of the midpoint of being out of shape the roller contact portion towards the distortion roller, nozzle and cross current, by bearing eccentric disc is installed on the nozzle base, the center of circle of eccentric disc links to each other with drive unit, and guide finger also is installed on nozzle base, and guide finger is inserted in the guide rail of fixed head.
4. according to claim 2ly exempt from pickling and remove steel band oxide skin device, it is characterized in that: the middle part of described nozzle links to each other with fixed block by the mode of globular hinge, the afterbody of nozzle also is connected with movable block in the mode of globular hinge, movable block and a connecting rod are affixed, connecting rod and eccentric disc are hinged, and the center of circle of eccentric disc links to each other with drive unit.
5. the pickling removal steel band oxide skin device of exempting from according to claim 1 is characterized in that: also be provided with fin on each described guide-in roller or described distortion roller surface of washing the upstream.
6. according to claim 1ly exempt from pickling and remove steel band oxide skin device, it is characterized in that: below described distortion roller, also be provided with the magnetic slag-draining device, described magnetic slag-draining device comprises the conveyer belt that is driven reciprocating operation by power source, be fixed with magnet on the conveyer belt, the top of conveyer belt is provided with corrosion resistant plate.
7. a method of removing steel band oxide skin is characterized in that, may further comprise the steps:
(1) by guide-in roller steel band is imported, by guide-in roller and distortion roller or all by the distortion roller steel band is carried out bending, so that occur loosening between steel strip surface oxide skin and the steel band;
(2) when the distortion roller is propped up steel band and steel band carried out flexural deformation, the abundant perk in oxide skin edge is by steel band fluidic device ejection liquid, washes from different perspectives the oxide skin on steel band and the distortion roller contact portion lateral surface;
(3) above-mentioned roller carries out BENDING PROCESS and corresponding course of injection is at least twice by being out of shape, and should spray once at least each side of steel band;
(4) after each flushing, steel band enters before next distortion roller or the outlet roller, and the liquid of the oxide skin under the steel band liquid removing device is peeled off being mixed with on the steel strip surface cleans out;
(5) by outlet roller steel band is derived.
8. the method for removal steel band oxide skin according to claim 1, it is characterized in that: by nozzle the flushing of steel strip surface has been covered the whole lateral surfaces of steel band with distortion roller contact portion, this covering is to swing by the planar movement of nozzle or along arc surface to realize.
9. the method for removal steel band oxide skin according to claim 1 is characterized in that: also include the oxide scale residue recycling step, will sweep away the oxide scale residue that comes from steel strip surface by the magnetic slag-draining device and reclaim.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010616004 CN102151705B (en) | 2010-12-30 | 2010-12-30 | Device and method for removing oxide skins of steel belt without scouring |
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| CN 201010616004 CN102151705B (en) | 2010-12-30 | 2010-12-30 | Device and method for removing oxide skins of steel belt without scouring |
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| CN102151705B true CN102151705B (en) | 2013-03-20 |
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| CN103128112B (en) * | 2012-08-31 | 2015-05-20 | 新万鑫（福建）精密薄板有限公司 | Acid washing-free continuously passing through stretching flattening annealed wire cold rolling oriented silicon steel production method |
| CN103878189A (en) * | 2014-03-14 | 2014-06-25 | 桂源 | Acidless descaling technological method and descaling device for steel surfaces |
| CN104759474B (en) * | 2015-03-10 | 2016-08-24 | 北京科技大学 | A kind of strip steel defat based on abradant jet controls device |
| CN109423683B (en) * | 2017-08-30 | 2021-03-23 | 广东新会中集特种运输设备有限公司 | Container coating system and container coating method |
| CN115852383A (en) * | 2022-11-25 | 2023-03-28 | 国网浙江省电力有限公司宁波供电公司 | Copper alloy wire surface treatment equipment |
| CN116078815B (en) * | 2023-02-06 | 2023-11-14 | 苏升智能科技徐州有限公司 | Metal material roll forming equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154886A (en) * | 1995-09-20 | 1997-07-23 | 曼内斯曼股份公司 | Method for improving surface of aluminium pouring belt and device thereof |
| CN2531894Y (en) * | 2002-02-09 | 2003-01-22 | 齐耀扬 | Scale cleaner for coiled steel material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3726770B2 (en) * | 2001-04-27 | 2005-12-14 | 住友金属工業株式会社 | Continuous pickling method and continuous pickling apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154886A (en) * | 1995-09-20 | 1997-07-23 | 曼内斯曼股份公司 | Method for improving surface of aluminium pouring belt and device thereof |
| CN2531894Y (en) * | 2002-02-09 | 2003-01-22 | 齐耀扬 | Scale cleaner for coiled steel material |
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