CN102416409A - Equipment for removing oil stain on surface of alloy plate - Google Patents

Equipment for removing oil stain on surface of alloy plate Download PDF

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Publication number
CN102416409A
CN102416409A CN2011103169056A CN201110316905A CN102416409A CN 102416409 A CN102416409 A CN 102416409A CN 2011103169056 A CN2011103169056 A CN 2011103169056A CN 201110316905 A CN201110316905 A CN 201110316905A CN 102416409 A CN102416409 A CN 102416409A
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CN
China
Prior art keywords
roll
backing roll
casing
cleaning
equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011103169056A
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Chinese (zh)
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CN102416409B (en
Inventor
符可惠
王鹏
刘宜永
张京诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhong Lv International Project Limited-Liability Co
Original Assignee
China Nonferrous Metals Processing Technology Co Ltd
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Application filed by China Nonferrous Metals Processing Technology Co Ltd filed Critical China Nonferrous Metals Processing Technology Co Ltd
Priority to CN201110316905.6A priority Critical patent/CN102416409B/en
Publication of CN102416409A publication Critical patent/CN102416409A/en
Application granted granted Critical
Publication of CN102416409B publication Critical patent/CN102416409B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses equipment for removing oil stain on the surface of an aluminum alloy plate. The equipment comprises a base, a frame, a cleaning box, a supporting roller device, a brush roller device and water spraying devices, wherein both the frame and the cleaning box are fixedly arranged on the base; the frame is arranged at the periphery of the cleaning box; a supporting roller transmission device, a brush roller transmission device and the water spraying devices are arranged inside the cleaning box; and the water spraying devices are arranged on the two sides of the brush roller transmission device and are fixedly connected with the inner wall of the cleaning box. In the equipment, the surface of the plate is subjected to high-pressure water spray washing and brush roller scrubbing simultaneously; the whole equipment has a compact structure; and the problems of incomplete cleaning of the surface of the aluminum alloy plate and difficulty in manual penetration of aluminum plates are solved.

Description

A kind of equipment of removing the alloy sheet strip surface and oil contaminant
Technical field
The invention belongs to technical field of metallurgical equipment, specially refer to a kind of equipment of removing the alloy sheet strip surface and oil contaminant.
Background technology
At the metal manufacture field; Alloy sheet strip especially aluminium sheet band all is to adopt complete oily rolling mill practice usually; After cold rolling; Residual a large amount of aluminium powders and ROLLING OIL on the strip surface if can not in time remove these greasy dirts, all have very big influence to the quality of products such as annealing in process, electronics paper tinsel clad plate and the PAP of duralumin and duralumin, hard alumin ium alloy, composite plate.
At present, most of aluminium processing enterprise all will use certain cleaning equipment, and the greasy dirt on these Aluminum Plate and Strip surfaces is carried out carrying out other following process again after the surface clean.In recent years, water carries out the production line cleaning ways that adopt that the aluminium sheet belt surface cleans more and is: at first use jetting machine to clean, use brush roll arrangement further to clean with water then, use the low pressure purge machine to do last cleaning at last; But in this cleaning,, wear aluminum strip to the roll coil of strip initial stage of producing by manual work and bring inconvenience, and former brush roll arrangement neither be very high to the cleaning quality of being with strip surface because two big slewing rollers become the S type to arrange in the former jetting machine.
Summary of the invention
For addressing the above problem; The purpose of this invention is to provide a kind of equipment of removing the aluminum alloy strip surface and oil contaminant; This equipment possesses and strip surface is advanced to carry out simultaneously high-pressure water jet cleans and brush roll is scrubbed dual mode; The package unit compact conformation solves the unclean and artificial problem of wearing the aluminum strip difficulty of aluminum alloy strip surface clean.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme:
A kind of equipment of removing the aluminum alloy strip surface and oil contaminant; It comprises base, frame, cleaning casing, backing roll device, brush roll arrangement and water injector; Frame with clean casing and all be fixedly installed on the base, frame be looped around clean casing around, backing roll transmission device, brush roll transmission device and water injector are installed in the cleaning box house; Water injector is arranged on the both sides of brush roll transmission device, and is fixedly connected with the inwall that cleans casing; Said backing roll device comprises left backing roll and the right backing roll that structure is identical; Left and right backing roll laterally arranges about box house is and not in same horizontal plane cleaning; Left and right backing roll both ends are all stretched out the cleaning box bilateral wall and are connected with the bearing block that the frame both sides are provided with respectively; The corresponding bearing block that connects in said left backing roll two ends is connected with left oil cylinder, and the corresponding bearing block that connects in right backing roll two ends is connected with right oil cylinder; Said brush roll arrangement comprises left brush roll and the right brush roll that structure is identical; The external peripheral surface of left and right brush roll is provided with the closely knit nylon yarn of one deck; Left and right brush roll laterally arranges about box house is cleaning, and left brush roll is positioned at the top of left backing roll, and is positioned at same vertical plane with the axis of left backing roll; Right brush roll is positioned at the below of right backing roll, and is positioned at same vertical plane with the axis of right backing roll; Left and right brush roll both ends are all stretched out the cleaning box bilateral wall and are connected with the brushroll axle bearing that the frame both sides are provided with respectively.
The equipment of described removal aluminum alloy strip surface and oil contaminant, its water injector comprise that an end is provided with the water-supply-pipe of nozzle, and water-supply-pipe is fixedly connected with the inwall that cleans casing, and the left and right brush roll both sides of cleaning in the casing all are equipped with water injector.
The equipment of described removal aluminum alloy strip surface and oil contaminant; Offer band inlet and band outlet on the left and right sides wall of its cleaning casing respectively; The top board that cleans casing is connected through bolt with other side plate; Correspondence offers U type groove on the front and back sidewall of cleaning casing; The two ends of backing roll and guide roller pass the cleaning casing via said U type groove, and correspondence is provided with and is used for backing roll side cover and the guide roller side cover of seal case in the U type groove, being respectively arranged with inlet dash brush on the tank wall of the said cleaning casing left and right sides and the outlet dash is brushed.
The equipment of described removal aluminum alloy strip surface and oil contaminant; The bottom, left side of its frame is provided with the left oil cylinder that is connected with the bearing block at left backing roll two ends; Be used for moving up and down of left backing roll; Right upper portion is provided with the right oil cylinder that is connected with the bearing block at right backing roll two ends, is used for moving up and down of right backing roll.
The equipment of described removal aluminum alloy strip surface and oil contaminant; It cleans the casing set inside has roller apron; It comprises deflector roll and bearing block; Deflector roll is arranged on and cleans the position of box house near the band inlet, and the deflector roll two ends pass and clean the guide roller bearing block that is provided with on casing and the frame both sides and be connected.
The equipment of described removal aluminum alloy strip surface and oil contaminant; Its outer setting of cleaning casing has the roll changing carriage device, and it comprises track and dolly, and track is arranged on the outside of cleaning casing; And be fixedly connected with a side of cleaning casing, said track extends axially along brush roll; Dolly is provided with up and down two-layer vehicle frame, and being provided with respectively with to clean the guide rail that the casing internal frame establishes corresponding of two-layer vehicle frame up and down.
The equipment of described removal aluminum alloy strip surface and oil contaminant is provided with roller on the bearing block at its left and right brush roll two ends.
The equipment of described removal aluminum alloy strip surface and oil contaminant, its cleaning casing internal frame is provided with and is used for the guide rail that roller moves.
The equipment of described removal aluminum alloy strip surface and oil contaminant, the external peripheral surface of its left and right backing roll is provided with the polyurethane rubber layer.
The equipment of described removal aluminum alloy strip surface and oil contaminant; Through corresponding left backing roll motor and the right backing roll motor of connecting of universal coupling, left and right brush roll is connected with left brushroll motor and right brushroll motor through the shaft coupling correspondence respectively to its left and right backing roll respectively.
Because adopt aforesaid technical scheme, the present invention produces following good effect:
1, the ROLLING OIL and the aluminium powder of strip surface attachment can be effectively removed in the present invention's acting in conjunction of scrubbing through the high-pressure water jet flushing and the brush roll of heating, and structural design is compact, has improved the cleaning quality on strip surface.
2 ,Equipment of the present invention can use as a cleaning unit part on the stretch-bending straightening unit, also can on the cleaning unit, use, and before it was placed on the low pressure purge machine separately, the linear velocity of left and right backing roll was consistent with band, transports band; Left and right brush roll rotates with the speed that is higher than band; The aluminium powder of the upper and lower surfaces of band brush pine; Simultaneously the surface rolling oil of band is carried out jet wash with the aluminium powder brush by the water under high pressure of nozzle ejection, last on the low pressure purge machine spray rinsing obtain the metal surface of cleaning.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Among the figure: 1-block; 2-casing; 3-frame; 4-deflector roll; 5-bearing block; 6-inlet dash brush; 7-deflector roll side cover; 8-left backing roll; 9-left brush roll; 10-backing roll side cover; 11-top board; 12-nozzle; 13-stainless steel tube; 14-spy on port lid; 15-right oil cylinder; 16-right backing roll; 17-right brush roll; 18-outlet dash brush; 19-holder; 20-right brushroll motor; 21-universal coupling; 22-decelerator; 23-left backing roll motor; 24-right backing roll motor; 25-left brushroll motor; 26-roll changing carriage; 27-track; 28-roller; 29-left oil cylinder.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is further described at present.
In conjunction with Fig. 1, Fig. 2; A kind of equipment of removing the aluminum alloy strip surface and oil contaminant, it comprises base 1, frame 3, cleans casing 2, backing roll device, brush roll arrangement and water injector, and frame 3 all is fixedly installed on the base 1 with cleaning casing 2; Frame 3 be looped around clean casing 2 around; Backing roll transmission device, brush roll transmission device and water injector are installed in the cleaning box house, and water injector is arranged on the both sides of brush roll transmission device, and are fixedly connected with the inwall that cleans casing; Said backing roll device comprises identical left backing roll of structure 8 and right backing roll 16, and the external peripheral surface of left and right backing roll is provided with the polyurethane rubber layer, has avoided the frictional force that is scratched and has increased transmission of band; Left and right backing roll laterally arranges about casing 2 inside are and not in same horizontal plane cleaning; Left and right backing roll both ends all stretch out clean box bilateral wall respectively with frame 3 both sides on the back-up chock that is provided be connected; The bearing block at backing roll 8 two ends, a left side is connected with the left oil cylinder 29 of the bottom, left side that is arranged on frame 3; The bearing block at right backing roll 16 two ends is connected with the right oil cylinder 15 of the right upper portion that is arranged on frame 3, and the impetus through left and right oil cylinder moves up and down left and right backing roll; Said brush roll arrangement comprises identical left brush roll of structure 9 and right brush roll 17; The external peripheral surface of left and right brush roll is provided with the closely knit nylon yarn of one deck; Left and right brush roll laterally arranges about casing 2 inside are cleaning, and left brush roll 9 is positioned at the top of left backing roll 8, and is positioned at same vertical plane with the axis of left backing roll 8; Right brush roll 17 is positioned at the below of right backing roll 16, and is positioned at same vertical plane with the axis of right backing roll 16; Left and right brush roll both ends are all stretched out the cleaning box bilateral wall and are connected with the brushroll axle bearing that the frame both sides are provided with respectively; Be provided with roller 28 on the brushroll axle bearing at left and right brush roll two ends; And be provided with and be used for the guide rail that roller moves cleaning casing 2 internal frames, help the replacing operation of left and right brush roll; Left and right brush roll both sides all are equipped with water injector; Said water injector comprises that an end is provided with the water-supply-pipe 13 of nozzle 12; Water-supply-pipe 13 is fixedly connected with the inwall that cleans casing, and nozzle 12 can be adjusted spray angle, helps removing the greasy dirt of strip surface and the aluminium powder of brush roll brush pine.
Offer band inlet and band outlet on the left and right sides wall of described cleaning casing 2 respectively; The top board that cleans casing is connected through bolt with other side plate; Correspondence offers U type groove on the front and back sidewall of cleaning casing; The two ends of left and right backing roll and guide roller pass the cleaning casing via said U type groove; And correspondence is provided with and is used for the backing roll side cover 10 and guide roller side cover 7 of seal case in the U type groove, being respectively arranged with inlet dash brush 6 and outlet dash brush 18 on the tank wall of the said cleaning casing left and right sides.When needs are changed left and right backing roll and deflector roll 4, open backing roll side cover 10, deflector roll side cover 7 and top board 11, hang out them from top respectively.
The outer setting of said cleaning casing has the roll changing carriage device, and it comprises dolly 26 and track 27, and track 27 is fixedly connected said track 27 extending axially along brush roll with a side of cleaning casing; Dolly 26 is provided with two-layer vehicle frame up and down; And two-layer vehicle frame is provided with respectively with to clean the guide rail that the casing internal frame establishes corresponding up and down; When needs are changed brush roll; Promote the brushroll axle bearing at brush roll two ends, the roller 28 on the brushroll axle bearing moves along its corresponding guide rail, and arrives on the dolly 26 on the corresponding support body.
Described cleaning casing 2 set inside have roller apron; Be used to change the band operation angle; Avoid water under high pressure external along strip surface outflow cleaning case when cleaning band; It comprises deflector roll 4 and guide roller axis bearing 5, and deflector roll 4 is arranged on and cleans the position of casing 2 inside near the band inlet, and deflector roll 4 two ends pass and clean the guide roller bearing block 5 that is provided with on casing and the frame both sides and be connected.
Said left and right backing roll is respectively through universal coupling 21 corresponding left backing roll motor 23 and the right backing roll motors 24 of connecting; And between left and right backing roll and corresponding universal coupling, be connected with decelerator 22; Can increase the driving moment of backing roll; In addition, motor is used frequency control, can make the linear velocity and the ribbon motion speed synchronization of backing roll; Left and right brush roll is connected with left brushroll motor 25 and right brushroll motor 24 through the shaft coupling correspondence respectively, and on left and right brushroll motor, is provided with holder 19, is used for supporting and firm left and right brushroll motor.
During use; Utilize other conveying equipment that band is got into from the band inlet and clean casing, be sent between backing roll and the brush roll through roller apron then, according to the thickness of band; Under the effect of left and right oil cylinder; Make corresponding backing roll and the distance between the brush roll adjust to correct position, the linear velocity of left and right backing roll is consistent with band, transports band; Left and right brush roll rotates with the speed that is higher than band, the aluminium powder of the upper and lower surfaces of band brush pine, by the water under high pressure of nozzle ejection the surface rolling oil of band is brushed with aluminium powder simultaneously and is carried out jet wash.

Claims (10)

1. equipment of removing the aluminum alloy strip surface and oil contaminant; It comprises base (1), frame (3), cleans casing (2), backing roll device, brush roll arrangement and water injector; It is characterized in that: frame (3) and cleaning casing (2) all are fixedly installed on the base (1); Frame (3) be looped around clean casing (2) around; Backing roll transmission device, brush roll transmission device and water injector are installed in and clean casing (2) inside, and water injector is arranged on the both sides of brush roll transmission device, and are fixedly connected with the inwall that cleans casing; Said backing roll device comprises left backing roll (8) and the right backing roll (16) that structure is identical; Left and right backing roll laterally arranges about box house is and not in same horizontal plane cleaning; Left and right backing roll both ends are all stretched out cleaning casing (2) two side and are connected with the back-up chock that frame (3) both sides are provided with respectively; The corresponding back-up chock that connects in said left backing roll (8) two ends is connected with left oil cylinder (29), and the corresponding back-up chock that connects in right backing roll two ends is connected with right oil cylinder (15); Said brush roll arrangement comprises identical left brush roll of structure 9 and right brush roll (17); The external peripheral surface of left and right brush roll is provided with the closely knit nylon yarn of one deck; Left and right brush roll laterally arranges about box house is cleaning, and left brush roll (9) is positioned at the top of left backing roll (8), and is positioned at same vertical plane with the axis of left backing roll (8); Right brush roll (17) is positioned at the below of right backing roll (16), and is positioned at same vertical plane with the axis of right backing roll 16; The both ends of left and right brush roll are all stretched out the cleaning box bilateral wall and are connected with the brushroll axle bearing that frame (3) both sides are provided with respectively.
2. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1; It is characterized in that: described water injector comprises that an end is provided with the water-supply-pipe of nozzle (12) (13); Water-supply-pipe (13) is fixedly connected with the inwall that cleans casing (2), and the left and right brush roll both sides of cleaning in the casing all are equipped with water injector.
3. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1; It is characterized in that: described cleaning casing (2) set inside has roller apron; It comprises deflector roll (4) and guide roller axis bearing (5); Deflector roll (4) is arranged on and cleans the position of box house near the band inlet, and deflector roll (4) two ends pass and clean the guide roller bearing block (5) that is provided with on casing and the frame both sides and be connected.
4. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1; It is characterized in that: offer band inlet and band outlet on the left and right sides wall of described cleaning casing (2) respectively; The top board (11) that cleans casing is connected through bolt with other side plate that cleans casing; Correspondence offers U type groove on the front and back sidewall of cleaning casing; The two ends of backing roll and guide roller pass the cleaning casing via said U type groove, and correspondence is provided with and is used for backing roll side cover (10) and the deflector roll side cover (7) of seal case in the U type groove, being respectively arranged with inlet dash brush (6) on the tank wall of the said cleaning casing left and right sides and exporting dash and brush (18).
5. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1; It is characterized in that: the bottom, left side of said frame (3) is provided with the left oil cylinder (29) that is connected with the back-up chock at left backing roll (8) two ends; Be used for moving up and down of left backing roll (8); Right upper portion is provided with the right oil cylinder that is connected with the bearing block at right backing roll two ends, is used for moving up and down of right backing roll (16).
6. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1 is characterized in that: be provided with roller (28) on the brushroll axle bearing at described left brush roll (9) and right brush roll (17) two ends.
7. according to the equipment of claim 1 or 4 described removal aluminum alloy strip surface and oil contaminants, it is characterized in that: said cleaning casing (2) internal frame is provided with and is used for the guide rail that roller (28) moves.
8. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 7; It is characterized in that: the outer setting of described cleaning casing (2) has the roll changing carriage device; It comprises track (27) and dolly (26); Track (27) is arranged on the outside of cleaning casing (2), and is fixedly connected said track (27) extending axially along brush roll with a side of cleaning casing; Dolly (26) is provided with up and down two-layer vehicle frame, and up and down two-layer vehicle frame be provided with respectively with clean casing (2) in the guide rail that sets up corresponding.
9. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1 is characterized in that: be provided with the polyurethane rubber layer on the external peripheral surface of described left backing roll (8) and right backing roll (16).
10. the equipment of removal aluminum alloy strip surface and oil contaminant according to claim 1; It is characterized in that: through corresponding left backing roll motor (23) and the right backing roll motor (24) of connecting of universal coupling (21), left and right brush roll is connected with left brushroll motor (25) and right brushroll motor (20) through the shaft coupling correspondence respectively to described left and right backing roll respectively.
CN201110316905.6A 2011-10-19 2011-10-19 Equipment for removing oil stain on surface of alloy plate Active CN102416409B (en)

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Application Number Priority Date Filing Date Title
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CN102416409A true CN102416409A (en) 2012-04-18
CN102416409B CN102416409B (en) 2014-01-01

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102699049A (en) * 2012-05-04 2012-10-03 中冶南方工程技术有限公司 Non-degreased strip steel cleaning and flattening device
CN102935435A (en) * 2012-10-29 2013-02-20 中冶南方工程技术有限公司 Axial linkage type brush roller
CN104148420A (en) * 2014-08-08 2014-11-19 浙江瑞迈不锈钢管有限公司 Inclined rail type steel pipe oil removing device
CN105499284A (en) * 2015-12-08 2016-04-20 无锡华工薄板有限公司 Cleaning device for cold-rolled steel strips
CN103599949B (en) * 2013-11-20 2016-05-11 银邦金属复合材料股份有限公司 Closed strip brusher
CN106884176A (en) * 2015-12-16 2017-06-23 常熟宝升精冲材料有限公司 A kind of belt steel surface hydrochloric acid purging system for producing fine material
CN112404149B (en) * 2020-12-30 2022-07-05 浙江传播者金属装饰材料有限公司 Rolling mill device for preventing foreign matters from being pressed in

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Publication number Priority date Publication date Assignee Title
GB860661A (en) * 1957-05-06 1961-02-08 Osborn Mfg Co Brushing apparatus for cleaning elongated articles such as steel strip
DE29723213U1 (en) * 1997-06-06 1998-05-20 Schleifenbaum & Steinmetz Gmbh Machine for cleaning and, if necessary, oiling metal sheets or strips
CN1974854A (en) * 2006-12-18 2007-06-06 马鞍山钢铁股份有限公司 Pickling apparatus and process for continuously cast and rolled steel plate
CN201223870Y (en) * 2008-06-04 2009-04-22 中冶集团北京冶金设备研究设计总院 Fast roller replacing apparatus of steel belt cleaning machine
CN201300150Y (en) * 2008-11-09 2009-09-02 芜湖众源金属带箔有限公司 Washing device of metal strip surfaces
CN201807562U (en) * 2010-06-23 2011-04-27 仇文秋 Degreasing and scrubbing mechanism for strips
CN201950036U (en) * 2010-12-21 2011-08-31 中色科技股份有限公司 Strip brushing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB860661A (en) * 1957-05-06 1961-02-08 Osborn Mfg Co Brushing apparatus for cleaning elongated articles such as steel strip
DE29723213U1 (en) * 1997-06-06 1998-05-20 Schleifenbaum & Steinmetz Gmbh Machine for cleaning and, if necessary, oiling metal sheets or strips
CN1974854A (en) * 2006-12-18 2007-06-06 马鞍山钢铁股份有限公司 Pickling apparatus and process for continuously cast and rolled steel plate
CN201223870Y (en) * 2008-06-04 2009-04-22 中冶集团北京冶金设备研究设计总院 Fast roller replacing apparatus of steel belt cleaning machine
CN201300150Y (en) * 2008-11-09 2009-09-02 芜湖众源金属带箔有限公司 Washing device of metal strip surfaces
CN201807562U (en) * 2010-06-23 2011-04-27 仇文秋 Degreasing and scrubbing mechanism for strips
CN201950036U (en) * 2010-12-21 2011-08-31 中色科技股份有限公司 Strip brushing device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102699049A (en) * 2012-05-04 2012-10-03 中冶南方工程技术有限公司 Non-degreased strip steel cleaning and flattening device
CN102699049B (en) * 2012-05-04 2014-11-26 中冶南方工程技术有限公司 Non-degreased strip steel cleaning and flattening device
CN102935435A (en) * 2012-10-29 2013-02-20 中冶南方工程技术有限公司 Axial linkage type brush roller
CN103599949B (en) * 2013-11-20 2016-05-11 银邦金属复合材料股份有限公司 Closed strip brusher
CN104148420A (en) * 2014-08-08 2014-11-19 浙江瑞迈不锈钢管有限公司 Inclined rail type steel pipe oil removing device
CN105499284A (en) * 2015-12-08 2016-04-20 无锡华工薄板有限公司 Cleaning device for cold-rolled steel strips
CN106884176A (en) * 2015-12-16 2017-06-23 常熟宝升精冲材料有限公司 A kind of belt steel surface hydrochloric acid purging system for producing fine material
CN112404149B (en) * 2020-12-30 2022-07-05 浙江传播者金属装饰材料有限公司 Rolling mill device for preventing foreign matters from being pressed in

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Effective date of registration: 20160801

Address after: 100093 Haidian District apricot stone road, No. C, block, Beijing

Patentee after: Zhong Lv international project limited-liability company

Address before: 471039 Henan Province, Luoyang city high tech Development Zone middle Ling Road

Patentee before: China Nonferrous Metals Processing Technology Co., Ltd.