WO2023035800A1 - Dispositif et procédé de traitement de surface de plaque d'acier - Google Patents

Dispositif et procédé de traitement de surface de plaque d'acier Download PDF

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Publication number
WO2023035800A1
WO2023035800A1 PCT/CN2022/108593 CN2022108593W WO2023035800A1 WO 2023035800 A1 WO2023035800 A1 WO 2023035800A1 CN 2022108593 W CN2022108593 W CN 2022108593W WO 2023035800 A1 WO2023035800 A1 WO 2023035800A1
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WIPO (PCT)
Prior art keywords
steel plate
cleaning device
surface treatment
plate surface
laser
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PCT/CN2022/108593
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English (en)
Chinese (zh)
Inventor
高峰
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高峰
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Filing date
Publication date
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Publication of WO2023035800A1 publication Critical patent/WO2023035800A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to a steel plate surface treatment device and a steel plate surface treatment method, belonging to the field of industrial production.
  • the temperature is about 1000°C.
  • a thin layer of metal oxide skin has formed on the surface of the rolled piece, and the high-pressure water descaling before rolling The machine can remove them.
  • the exposure time of the slab between the rolling mills of each stand is extremely short, and the large reduction hinders the formation of a thick metal oxide scale on the surface of the strip, and the formed oxide film It is immediately destroyed and washed by water. Therefore, it can be said that the strip steel that has just come out of the finishing stand has a relatively high temperature of 780-850°C, but the metal oxide skin on the surface of the strip steel is extremely thin. .
  • the strip After the strip comes out of the finishing stand, it enters the water spray device, and then it is rolled into a strip coil and cooled slowly. It is during this time that the surface of the strip is oxidized to form metal oxides.
  • the metal oxide must be removed, otherwise the metal oxide will be pressed into the strip matrix during rolling, affecting the surface quality and processing performance of the cold-rolled sheet, and the metal oxide will enter the cooling and lubricating emulsion system after being broken, damaging the equipment and causing serious damage. Shorten the service life of the emulsion and even damage the roll.
  • the object of the present invention is to provide a steel plate surface treatment device and a steel plate surface treatment method to solve the problems that the existing turbulent flow pickling method occupies a large area and produces industrial waste water to pollute the environment.
  • the present invention provides a steel plate surface treatment device for removing metal oxides on the surface of the steel plate, including a frame and a feeding device arranged on the frame, a monitoring device, a roller plate device, cleaning device and unloading device, including air source supply device, laser double-sided cleaning device, oxidation waste treatment device and control device,
  • the laser double-sided cleaning device is installed between the roller plate device and the blanking device, and removes metal oxides on the surface of the steel plate by emitting laser light to obtain oxidized waste;
  • the air source supply device is located on the side of the frame, connected with the cleaning device and the laser double-sided cleaning device, and provides compressed air for the steel plate surface treatment device as clean energy;
  • the oxidation waste processing device is connected to the cleaning device and the laser double-sided cleaning device, and is used to collect and process the oxidation waste removed by the cleaning device and the laser double-sided cleaning device, and to recycle the oxidation waste;
  • the control device is located on the side of the frame and includes a main control device and a sub-control device, the main control device is used to control the power on of the steel plate surface treatment device, and the sub-control device is used to control the aforementioned Temporary start and stop of each device.
  • multiple laser double-sided cleaning devices are provided.
  • the laser double-sided cleaning device includes a first laser double-sided cleaning device and a second laser double-sided cleaning device, the first laser double-sided cleaning device and the second laser double-sided cleaning device
  • the structure is exactly the same.
  • the first laser double-sided cleaning device includes a laser component, a high-speed air knife blowing protection device and a vacuum dust removal device.
  • the laser component is used to emit laser light to remove metal oxides on the surface of the steel plate.
  • the sweeping protection device is used to protect production safety during the air knife cleaning process of the cleaning device.
  • the vacuum dust removal device is connected with the oxidation waste treatment device, sucks and transports the smoke and dust generated during production and the oxidation waste to the In the oxidation waste treatment device.
  • the monitoring device starts the second laser double-sided cleaning device when it monitors that the area of the metal oxide on the surface of the steel plate cleaned by the first laser double-sided cleaning device is greater than 30%. .
  • the oxidation waste treatment device includes a bucket lifting device, a weighing bagging device and a robot packaging device installed in sequence,
  • the bucket lifting device is connected with the cleaning device and the laser double-sided cleaning device, and lifts the oxidized waste collected by the cleaning device and the laser double-sided cleaning device from a low place to a high place.
  • the bagging device In the bagging device;
  • the weighing and bagging device is used to bag and weigh the oxidized waste to obtain bagged oxidized waste;
  • the robot packaging device seals the bagged oxidation waste with a clamp, and then removes the sealed bagged oxidation waste through a robot.
  • the monitoring device includes an image acquisition component and a reader-writer, the reader-writer reads the material code and the two-dimensional code of the steel plate, obtains information on the steel plate, and transmits it to the control device.
  • the image acquisition component Used to capture images of steel plates.
  • the roll-flat device includes an upper roll and a lower roll, and after the control device receives the steel plate information acquired by the monitoring device, it adjusts the upper roll and the lower roll according to the thickness of the steel plate.
  • the distance and pressure value between the lower rollers enable the steel plate to pass through the roller flat device and be rolled flat.
  • the steel plate surface treatment device also includes a scraper dust removal device, the scraper dust removal device includes a dust collection assembly and a scraper assembly, located on the side of the roller plate device, the dust collection assembly Connected with the cleaning device and the laser double-sided cleaning device, the oxidation waste and smoke generated during the cleaning process of the steel plate are collected and transported to the oxidation waste treatment device through the scraper assembly.
  • the scraper dust removal device includes a dust collection assembly and a scraper assembly, located on the side of the roller plate device, the dust collection assembly Connected with the cleaning device and the laser double-sided cleaning device, the oxidation waste and smoke generated during the cleaning process of the steel plate are collected and transported to the oxidation waste treatment device through the scraper assembly.
  • the steel plate surface treatment device further includes a safety protection device, and the safety protection device surrounds the aforementioned various devices of the steel plate surface treatment device to protect the steel plate surface treatment device.
  • the present invention also provides a steel plate surface treatment method, in which the steel plate is loaded by a feeding device and transported to a roller plate device;
  • the control device receives the information of the steel plate acquired by the monitoring device during the feeding process, adjusts the distance and pressure value between the upper roll and the lower roll according to the thickness of the steel plate, and rolls the steel plate flat;
  • the rolled steel plate enters the laser double-sided cleaning device, and the metal oxide on the surface is removed by the laser double-sided cleaning device;
  • the cleaning device cleans and the scraper dedusting device dedusts and collects the oxidized waste generated during the cleaning process of the steel plate;
  • the cleaned steel plate enters the unloading device for unloading.
  • the oxidized waste is collected by the scraper dust removal device and the cleaning device, it enters the weighing and bagging device through the bucket lifting device for weighing and bagging, and completes the Secondary recycling of the oxidation waste.
  • the steel plate surface treatment device of the present invention is equipped with an air source supply device and uses compressed air as an environmentally friendly energy source, which can conveniently and quickly clean and recycle the metal oxides on the surface of the steel plate during the production process, so that the surface of the steel plate
  • the production is clean and pollution-free, there is no risk of chemical substance leakage when removing metal oxides by common pickling methods, and pollution can be avoided; at the same time, the operation of the entire steel plate surface treatment device is controlled by the control device, which improves the electrical efficiency of the steel plate surface treatment device.
  • Automation efficiency, small footprint, can realize unmanned production; and the setting of safety protection device makes the protection standard of steel plate surface treatment device, ensuring production safety; the setting of oxidation waste treatment device realizes the secondary utilization of oxidation waste, Reached the effect of energy saving and emission reduction.
  • Fig. 1 is a schematic diagram of the steel plate surface treatment device of the present invention.
  • Fig. 2 is a schematic diagram of the roller flat device of the present invention.
  • Fig. 3 is a schematic diagram of the laser double-sided cleaning device of the present invention.
  • Fig. 4 is the logic control electrical diagram of the present invention.
  • the present invention discloses a steel plate surface treatment device 100 for removing metal oxides on the steel plate surface, including a frame 2 and a feeding device 3, a monitoring device 4, and a roller arranged on the frame 2
  • the flat plate device 5, the cleaning device 6 and the unloading device 7 also include a scraper dust removal device 8, a laser double-sided cleaning device 9, an air source supply device 10, an oxidation waste treatment device 11, a control device 12 and a safety protection device 13.
  • the feeding device 3 is used to feed the steel plate 1 into the steel plate surface treatment device 100, which includes a roller. After the steel plate 1 is installed on the feeding device 3, the feeding device 3 is continuously turned over to transfer the steel plate 1 into the roller plate. device 5.
  • the monitoring device 4 includes an image acquisition component and a reader-writer.
  • the image acquisition component includes an LED light source, a camera, and a positioning ring.
  • the image acquisition component is installed behind the laser double-sided cleaning device 9 for collecting state images of the steel plate 1 after laser cleaning;
  • the reader/writer is installed on the side of the feeding device 3, and is used to read the material code and two-dimensional code on the steel plate 1 during the feeding process, obtain steel plate information, and transmit it to the control device 12.
  • the roller plate device 5 comprises and comprises pinion 51, bull gear 52, lower roller 53, upper roller 54, depressing mechanism 55, hydraulic cylinder 56 and signal receiver 57, roller
  • the flat plate device 5 is used to roll the originally curved steel plate 1 flat.
  • the signal receiver 57 receives the steel plate information obtained by the monitoring device 4 from the control device 12 during the feeding process, and controls the roller plate device 5 according to the steel plate 1.
  • the thickness of the plate is driven by the hydraulic cylinder 56 to adjust the distance and pressure value between the lower roller 53 and the upper roller 54.
  • Each lower roller 53 corresponds to a small gear 51
  • each upper roller 54 corresponds to a large gear 52.
  • the laser double-sided cleaning device 9 is installed between the roller plate device 5 and the cleaning device 6, and the laser double-sided cleaning device 9 is provided in plural, including the first laser double-sided cleaning device 91 and the second laser double-sided cleaning device 92, and the first laser double-sided cleaning device 92.
  • the structure of the double-sided cleaning device 91 and the second laser double-sided cleaning device 92 is exactly the same.
  • the first laser double-sided cleaning device 91 includes a laser assembly 911, a high-speed air knife blowing protection device 912 and a vacuum dust removal device 913, and the laser assembly 911 includes a laser head 9111, propulsion cylinder 9112, swing cylinder 9113, mounting bracket 9114.
  • the first laser double-sided cleaning device 91 is divided into upper, middle and lower layers.
  • the upper layer and the lower layer are equipped with a laser head 9111, a propulsion cylinder 9112, a swing cylinder 9113, and a mounting bracket 9114.
  • the internal atmospheric pressure is lower than the normal atmospheric pressure.
  • the middle layer is equipped with a high-speed air knife
  • the purge protection device 912 and the vacuum dust removal device 913 the internal atmospheric pressure is equal to the external atmospheric pressure
  • the high-speed air knife purge protection device 912 is used to protect production safety during the cleaning process of the cleaning device 6, the vacuum dust removal device 913 and the oxidation waste treatment device 11 connected, sucking and transporting the soot in production and the generated oxidized waste to the oxidized waste treatment device 11 .
  • the position of the laser head 9111 is adjusted by the propulsion cylinder 9112 and the swing cylinder 9113, and the laser head 9111 emits laser light at an inclined angle to remove the metal oxide on the surface of the steel plate 1 to obtain oxidation.
  • the inclined angle of the laser head 9111 can prevent the falling oxidation waste and water stains on the steel plate 1 from affecting the laser head 9111.
  • the metal oxides on the surface of a small amount of short-distance steel plates 1 are cleaned by the first laser double-sided cleaning device 91 emitting laser light, and the roller plate device 5 will pause.
  • the control device 12 controls the swing cylinder 9113 Swing back and forth to clean up a small part of the uncleaned metal oxide on the surface of the steel plate 1 again, and start the second laser double-sided cleaning device 92 when the area of the metal oxide on the surface of the steel plate 1 is monitored to be greater than 30%, to clean the metal oxide on the surface of the steel plate 1. oxides for further removal.
  • Cleaning device 6 comprises the first cleaning device 61 and the second cleaning device 62, the structure of the first cleaning device 61 and the second cleaning device 62 is identical, the first cleaning device 61 is installed in the rear of the first laser double-sided cleaning device 91, the second The second cleaning device 62 is installed behind the second laser double-sided cleaning device 92 .
  • the first cleaning device 61 includes a flexible roller brush, a high-speed air knife blowing device and a vacuum dust collection device.
  • the air knife blowing device blows in the opposite direction to the steel plate 1, and the flexible roller brush cleans vertically, and the vacuum dust collection device in the middle of the flexible roller brush will suck away the smoke and metal oxides.
  • the second cleaning device 62 repeats the same process as that of the first cleaning device 61 after the second laser double-sided cleaning device 92 is started, so it will not be repeated here.
  • the unloading device 7 is a common unloading device in industrial production, and the structure of the unloading device 7 will not be repeated here.
  • the unloading device 7 is used to rewind the cleaned steel plate 1 and then unload it.
  • the air source supply device 10 includes a screw air compressor, a Roots vacuum pump, an air storage tank, a distribution valve, a pressure reducing valve and a check valve, located on the side of the frame 2, connected with the cleaning device 6 and the laser double-sided cleaning device 9 , supply compressed air to the steel plate surface treatment device 100 as clean energy.
  • the oxidation waste processing device 11 includes a bucket lifting device 111, a weighing and bagging device 112, and a robot packaging device 113 installed in sequence.
  • the oxidation waste processing device 11 is connected to the cleaning device 6 and the laser double-sided cleaning device 9, and the cleaning device 6 and the laser double-sided cleaning device
  • the removed oxidation waste collected by the cleaning device 9 is sent to the bucket lifting device 111, and the bucket lifting device 111 lifts the oxidation waste from a low place to a high place, and transfers it to the weighing and bagging device 112, and the weighing and bagging device 112 is effective for oxidation
  • the waste is bagged and weighed to obtain the bagged oxidized waste, and when it reaches a certain weight, the bagged oxidized waste is sealed by the robot packaging device 113 through a clamp, and then the sealed bagged oxidized waste is removed by the robot.
  • the robot used by the robot packaging device 113 is the User Library-IRB7600_28_340_m2000_rev
  • the control device 12 is capable of controlling the steel plate surface treatment device 100 to realize automatic work under unmanned control. It is located on the side of the frame 2 and is connected to other devices of the steel plate surface treatment device 100.
  • the control device 12 includes a main control device and a sub-control device.
  • the main control device is used to control the power on of the steel plate surface treatment device 100, including flow monitoring equipment, guardrails, electrical installation control cabinets, PLC host, on-site monitoring and early warning, liquid crystal display and computer host; the sub-control device is used to control the feeding device 3.
  • monitoring device 4 Temporary start and stop of monitoring device 4, roller plate device 5, cleaning device 6, unloading device 7, scraper dust removal device 8, laser double-sided cleaning device 9, air source supply device 10 and oxidation waste treatment device 11, when The monitoring device 4 recognizes that after the first laser double-sided cleaning device 91 performs laser removal of the metal oxide on the surface of the steel plate 1, the metal oxide on the surface of the steel plate 1 is completely removed, and the second laser double-sided cleaning device 92 can be stopped by controlling the sub-control device. At the same time, the sub-control device can also perform emergency braking on other devices for troubleshooting.
  • the steel plate surface treatment device 100 of the present invention also includes a safety protection device (not shown), the safety protection device includes an industrial aluminum profile door, a fence, a power-on warning device and an automatic power-on locking device, and the safety protection device surrounds the steel plate surface treatment device 100 The other various devices of the steel plate surface treatment device 100 are protected to prevent dangerous occurrences in the working process.
  • the present invention also provides a steel plate surface treatment method, specifically, the steel plate surface treatment method is applied to the aforementioned steel plate surface treatment device, that is, when using the steel plate surface treatment method of the present invention to operate the steel plate surface treatment device 100, first, The steel plate 1 is fed by the feeding device 3, and then transported to the roller flat device 5.
  • the control device 12 receives the information of the steel plate obtained by the monitoring device 4 during the feeding process, and adjusts the loading and unloading of the roller flat device 5 according to the thickness of the steel plate 1.
  • the distance and pressure value between the roller 53 and the upper roller 54, the steel plate 1 is rolled flat in the roller flat device 5, and then enters the laser double-sided cleaning device 9 to emit laser light to remove the metal oxide on the surface of the steel plate 1, and is obtained by cleaning the steel plate 1 through the cleaning device 6
  • the oxidized waste is dedusted by the scraper dedusting device 8, and finally the steel plate 1 enters the unloading device 7 for unloading.
  • the oxidized waste is collected by the scraper dust removal device 8, it is lifted from the scraper dust removal device 8 and the cleaning device 6 by the bucket lifting device 111 and enters the weighing and bagging device 112, and is weighed and bagged by the weighing and bagging device 112.
  • the bagged oxidation waste is obtained, and when the bagged oxidation waste reaches a certain weight, the bagged oxidation waste is sealed by the jig of the robot packaging device 113, and then the sealed bagged oxidation waste is removed by the robot to complete the secondary treatment of the oxidation waste. Recycling.
  • FIG. 4 is a logic control electrical diagram of the present invention.
  • the air source supply device 10 completes the compression of the air through the screw air compressor, and first supplies it to the scraper dust removal device 8 after cooling, so that the dust collection component of the scraper dust removal device 8 can remove the peeled oxidized waste on the steel plate 1, Then provide compressed air to the first laser double-sided cleaning device 91 and the first cleaning device 61, so that the high-speed air knife works to complete the preliminary cleaning of the steel plate 1, and then according to the surface of the steel plate 1 fed back by the monitoring device 4 to the control device 12 Iron oxide removal situation, first provide compressed air to the scraper dust removal device 8, then provide compressed air to the second laser double-sided cleaning device 92 and the second cleaning device 62, the high-speed air knife in the second laser double-sided cleaning device 92 work, complete the removal of iron oxide on the secondary surface of the steel plate 1, and complete the cleaning of the surface of the steel plate 1 through the second cleaning device 62.
  • the steel plate surface treatment device 100 of the present invention can conveniently and quickly clean and recycle the metal oxides on the surface of the steel plate 1 during the production process of the steel plate 1 by setting the air source supply device 10 and using compressed air as an environmentally friendly energy source, so that the steel plate 1, the production is clean and pollution-free, there is no risk of chemical substance leakage when the common pickling method removes metal oxides, and the generation of pollution can be avoided; at the same time, the operation of the entire steel plate surface treatment device 100 is controlled by the control device 12, and the surface of the steel plate is improved.
  • the electrical automation efficiency of the treatment device 100 has a small footprint and can realize unmanned production; the setting of the safety protection device 13 makes the protection specifications of the steel plate surface treatment device ensure production safety; the setting of the oxidation waste treatment device 11 realizes The secondary utilization of oxidized waste has achieved the effect of energy saving and emission reduction.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cleaning In General (AREA)
  • Laser Beam Processing (AREA)

Abstract

La présente invention concerne un dispositif et un procédé de traitement de surface de plaque d'acier. Le dispositif de traitement de surface de plaque d'acier (100) comprend un cadre (2), et un dispositif d'alimentation (3), un dispositif de surveillance (4), un dispositif de plaque à rouleaux (5), un dispositif de nettoyage (6), un dispositif d'évacuation (7), un dispositif d'alimentation en source de gaz (10), un dispositif de nettoyage laser à double face (9), un dispositif de traitement des déchets d'oxydation (11), un dispositif de commande (12) et un dispositif de protection de sécurité (13) qui sont prévus sur le cadre (2). Pour une plaque d'acier (1), l'alimentation est effectuée par le dispositif d'alimentation (3), le laminage est effectué par le dispositif de plaque à rouleaux (5), la plaque d'acier entre dans le dispositif de nettoyage laser à double face (9) pour éliminer un oxyde métallique sur la surface, des déchets d'oxydation sont nettoyés par le dispositif de nettoyage (6), la poussière est éliminée par un dispositif d'élimination de poussière sous forme de racloir (8), et enfin, la plaque d'acier (1) entre dans le dispositif d'évacuation (7) pour être évacuée, et l'utilisation cyclique secondaire de l'oxyde métallique est achevée au moyen du dispositif de traitement de déchets d'oxydation (11) après que les déchets d'oxydation sont collectés. De l'air comprimé fourni par le dispositif d'alimentation en source de gaz (10) est une énergie respectueuse de l'environnement, de telle sorte que la plaque d'acier (1) est pure et exempte de pollution lors de la production ; une efficacité d'automatisation électrique élevée est obtenue, et une petite surface occupée est obtenue ; une protection standard est obtenue, et une production sans pilote peut être obtenue ; l'utilisation secondaire des déchets d'oxydation est obtenue, et une économie d'énergie et une réduction d'émission sont obtenues.
PCT/CN2022/108593 2021-09-07 2022-07-28 Dispositif et procédé de traitement de surface de plaque d'acier WO2023035800A1 (fr)

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CN202111044786.3A CN113787060B (zh) 2021-09-07 2021-09-07 钢板表面处理装置及钢板表面处理方法
CN202111044786.3 2021-09-07

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CN114592114B (zh) * 2022-03-07 2023-08-25 青岛海容商用冷链股份有限公司 冰柜钢板表面热处理装置及处理工艺

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