CN114351070A - Automatic electromagnetic slag removal system and method for continuous galvanizing line - Google Patents
Automatic electromagnetic slag removal system and method for continuous galvanizing line Download PDFInfo
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- CN114351070A CN114351070A CN202111613996.XA CN202111613996A CN114351070A CN 114351070 A CN114351070 A CN 114351070A CN 202111613996 A CN202111613996 A CN 202111613996A CN 114351070 A CN114351070 A CN 114351070A
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- slag
- electromagnetic slag
- scum
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- 239000002893 slag Substances 0.000 title claims abstract description 95
- 238000005246 galvanizing Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 44
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011701 zinc Substances 0.000 claims abstract description 43
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 239000013049 sediment Substances 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses an automatic electromagnetic slag removal system and method for a continuous galvanizing line, which comprises a robot, an electromagnetic slag removal unit, a cooling unit and a monitoring unit, wherein the robot is positioned at the rear part of a zinc pot and used for salvaging scum, the electromagnetic slag removal unit is positioned at the front part of the zinc pot and used for driving the scum, the cooling unit and the monitoring unit are used for cooling the electromagnetic slag removal unit, and the robot, the electromagnetic slag removal unit, the cooling unit and the monitoring unit are all electrically connected with a PLC control unit. The moving magnetic field generated by the invention pushes the zinc liquid with electric conductivity to flow from the middle to the two sides of the zinc pot, the scum on the zinc liquid is driven to the rear of the furnace nose by the scum driving devices at the two sides, then the scum is fished by the robot, and the safe and stable full-automatic scum driving and fishing in the zinc pot are ensured by the synergistic action of the cooling unit, the monitoring unit, the electromagnetic scum driving unit and the PLC control unit.
Description
Technical Field
The invention relates to the technical field of electromagnetic metallurgical equipment, in particular to an automatic electromagnetic slag removal system and method for a continuous galvanizing line.
Background
Scum is continuously generated on the surface of the zinc liquid in the zinc pot, and the scum is not cleaned in time, so that the components of the zinc liquid are influenced, and the quality of galvanized strip steel is influenced. At present, the scum removal method comprises the steps of carrying out slag salvaging by a robot or carrying out slag salvaging manually. The robot drags for the sediment and has the dead zone, and zinc pot equipment is intensive, and the arm of robot can't expand, and dross can not be dragged for to "six arms of three-roller" department of zinc pot.
In the prior art, CN201710417938.7 discloses a method and a device for controlling the flow of molten zinc in a hot-dip galvanized pot, in which a multi-stage traveling-wave magnetic field generator drives the molten zinc to flow, but a front-stage traveling-wave magnetic field generator in a transverse traveling-wave magnetic field generator in the method comprises a first front-stage traveling-wave magnetic field generator and a second front-stage traveling-wave magnetic field generator. The equipment above the zinc pot is dense and the space is limited, and if a plurality of traveling wave magnetic field generators are arranged, the installation and the cable lead wire are difficult. The second example of the technology mentions that the transverse traveling wave magnetic field generator can be arranged as a whole-length traveling wave magnetic field generator, but the electromagnetic force is from one side to the other side, the scum flow path is far, and the longitudinal traveling wave magnetic field generator is still arranged as a multi-section type. The technology has no cooling scheme of a traveling wave magnetic field generator, the traveling wave magnetic field generator can generate heat when being electrified, the zinc liquid in a zinc pot has thermal radiation and can generate heat by using the traveling wave magnetic field generator, and the technology does not consider the temperature of an electromagnetic slag expeller; the power-on time of this technique is not automatically adjusted to optimize.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides an automatic electromagnetic slag removal system and method for a continuous galvanizing line, which can solve the problems.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides an automatic electromagnetism deslagging system of continuous galvanizing line zinc pot, is including being located the robot that is used for salvaging the dross in zinc pot rear, being located the electromagnetism that is used for driving the dross in zinc pot the place ahead drives sediment unit, is used for cooling the electromagnetism drives cooling unit, the monitoring unit of sediment unit, the robot electromagnetism drives the sediment unit cooling unit the equal electric connection PLC the control unit of monitoring unit.
Furthermore, the electromagnetic slag removing unit comprises two electromagnetic slag removing devices I positioned on the front side and the rear side of the air knife and two electromagnetic slag removing devices II positioned on the left side and the right side of the air knife.
Furthermore, the front electromagnetic slag driving device and the rear electromagnetic slag driving device are respectively arranged at the lower end of the stabilizing roller beam and the lower end of the sinking roller beam, two first electromagnetic inductors are arranged in the first electromagnetic slag driving device, and the exciting current of the first electromagnetic inductors is 0-500A.
Furthermore, the two electromagnetic slag repellers are symmetrically distributed on the left side and the right side of the air knife, one end of each electromagnetic slag repeller extends out of the rear of the outlet of the furnace nose, a second electromagnetic inductor is arranged in each electromagnetic slag repeller, and the exciting current of each second electromagnetic inductor is 0-500A.
Further, the cooling unit is an air cooling unit.
Furthermore, the monitoring unit comprises a temperature sensor and a flow velocity sensor which are positioned in the first electromagnetic slag remover and the second electromagnetic slag remover, and the monitoring unit further comprises an ultrasonic detector positioned on the robot.
Further, when a variable frequency power supply externally connected with the electromagnetic slag removal unit outputs three-phase current, the power supply frequency of the three-phase current is 0.5 Hz-50 Hz, and the phase angle of the three-phase current is 120 degrees; when a variable frequency power supply externally connected with the electromagnetic slag-driving unit outputs two-phase current, the power supply frequency of the two-phase current is 0.5 Hz-50 Hz, and the phase angle of the two-phase current is 90 degrees.
An automatic electromagnetic slag removal method for a continuous galvanizing line comprises the following steps: s1, the PLC control unit controls the variable frequency power supply to be electrified, the electromagnetic slag removing unit starts to work, scum around the middle part of the air knife is driven to two sides by the two electromagnetic slag removing devices I, meanwhile, the scum flowing into the two sides are driven to the back of the furnace nose outlet by the two electromagnetic slag removing devices II, the variable frequency power supply is electrified for A minutes and then stops for B minutes, wherein the value A is 1-3, and the value B is 5-15; s2, repeating S1; s3, the robot detects that scum comes from the back of the furnace nose through ultrasonic waves, and the PLC control unit controls the robot to start to scoop out the scum.
Furthermore, the cooling unit starts when the electromagnetic slag removing unit is electrified for the first time to start working, the cooling unit cools the electromagnetic slag removing unit through cooling air, the cooling unit can keep working continuously until the electromagnetic slag removing unit does not work circularly, and the temperature sensor and the flow rate sensor monitor the electromagnetic slag removing device I and the electromagnetic slag removing device II.
Further, when the temperature sensor detects that the temperature is higher than or equal to 90 ℃, the power-on time A value of the variable frequency power supply is reduced, the power-off time B value of the variable frequency power supply is increased, the working temperature of the electromagnetic slag removing device I or the electromagnetic slag removing device II is lower than 90 ℃, when the temperature sensor detects that the temperature is less than or equal to 40 ℃, increasing the power-on time A value of the variable frequency power supply, reducing the power-off time B value of the variable frequency power supply, and enabling the working temperature of the electromagnetic slag driving device I or the electromagnetic slag driving device II to be between 40 and 90 ℃, when the monitoring unit monitors that the temperature sensor is continuously detected at the temperature higher than 90 ℃ for a long time, the PLC control unit gives an alarm, when the flow velocity sensor detects that the flow velocity of the cooling air is abnormal, the PLC control unit gives an alarm.
The invention has the beneficial effects that: the moving magnetic field generated by the invention pushes the zinc liquid with electric conductivity to flow from the middle to the two sides of the zinc pot, the scum on the zinc liquid is driven to the rear of the furnace nose by the scum driving devices at the two sides, then the scum is fished by the robot, and the safe and stable full-automatic scum driving and fishing in the zinc pot are ensured by the synergistic action of the cooling unit, the monitoring unit, the electromagnetic scum driving unit and the PLC control unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a zinc pot of a full-automatic electromagnetic deslagging system and a deslagging method of a continuous galvanizing line according to an embodiment of the invention;
FIG. 2 is a plan view of a slag removing device in a zinc pot of the full-automatic electromagnetic slag removing system and the slag removing method for a continuous galvanizing line according to the embodiment of the invention;
FIG. 3 is a schematic diagram of the inductor structure of the electromagnetic slag-driving device on the sink roll and the stabilizing roll beam of the full-automatic electromagnetic slag-removing system and the slag-removing method for the continuous galvanizing line according to the embodiment of the invention;
fig. 4 is a wiring diagram of inductor coils of a slag remover on a sink roll and a stabilizing roll beam of the full-automatic electromagnetic slag removing system and the slag removing method of a continuous galvanizing line according to the embodiment of the invention.
In the figure: 1. a first electromagnetic slag remover; 2. stabilizing the roller beam; 3. an air knife; 4. sinking the roller beam; 5. a furnace nose; 6. a robot; 7. a second electromagnetic slag remover; 8. a first electromagnetic inductor; 81. a coil; 82; an iron core; 9. a zinc pot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1 to 4, the automatic electromagnetic slag removal system for a continuous galvanizing line zinc pot in an embodiment of the present invention includes a robot 6 for salvaging dross located behind the zinc pot 9, an electromagnetic slag removal unit for driving dross located in front of the zinc pot 9, a cooling unit for cooling the electromagnetic slag removal unit, and a monitoring unit, wherein the robot 6, the electromagnetic slag removal unit, the cooling unit, and the monitoring unit are all electrically connected to a PLC control unit.
In a specific embodiment of the invention, because the air knife 3, the sinking roller beam 4, the stabilizing roller beam 2 and other devices are arranged behind the zinc pot 9, the space of the area is narrow and inconvenient for a robot to salvage scum, four sections of electromagnetic slag removers are arranged around the area, the scum is driven out by the electromagnetic slag removers to salvage, wherein two electromagnetic inductors I (comprising a coil 81 and an iron core 82) are arranged in the electromagnetic slag removers I1, the two electromagnetic inductors I generate electromagnetic driving forces in different directions to drive the scum from the middle part to two sides, each direction is a single-section electromagnetic slag removers, the connection of a plurality of sections of wires and a plurality of sections of cooling units is avoided, the installation space of the whole electromagnetic slag removing unit is saved, and the two electromagnetic slag removers I1 are respectively arranged at the lower end of the stabilizing roller beam 2 and the lower end of the sinking roller beam 4, and auxiliary installation devices do not need to be arranged again, the utilization rate of the space is further improved. Because the four directions are all single-section electromagnetic slag removers, a cooling unit which is strictly controlled is required to cool each electromagnetic slag remover, and air cooling can be adopted and corresponding control can be carried out through a PLC control unit. The electromagnetic slag expeller is suitable for two-phase electricity and three-phase electricity, and only the coil and the magnetic pole of an electromagnetic inductor in the electromagnetic slag expeller need to be correspondingly adjusted.
In a specific embodiment of the invention, when the electromagnetic slag-removing unit is powered on and works for the first time, the cooling unit is started to start cooling the electromagnetic slag-removing device of the electromagnetic slag-removing unit through cooling air, because the electromagnetic slag-removing device still has residual heat and the liquid zinc in the zinc pot has high temperature when the electromagnetic slag-removing device does not work after being powered off, the cooling unit still works to cool the electromagnetic slag-removing device when the electromagnetic slag-removing device does not work after being powered off, and the cooling unit stops working after the electromagnetic slag-removing device cools the electromagnetic slag-removing device to normal temperature until the electromagnetic slag-removing device does not work circularly any more.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
In the specific implementation, the method comprises the following steps: s1, the PLC control unit controls the variable frequency power supply to be electrified, the electromagnetic slag removing unit starts to work, the two electromagnetic slag removing devices I1 drive floating slag around the middle part of the air knife 3 to two sides, meanwhile, the two electromagnetic slag removing devices II 7 drive the floating slag flowing into the two sides to the rear part of the outlet of the furnace nose 5, and the variable frequency power supply stops B minutes after being electrified for A minutes, wherein the value A is 1-3, and the value B is 5-15; s2, repeating S1; s3, the robot 6 detects that scum comes from the rear part of the furnace nose 5 through ultrasonic waves, and the PLC control unit controls the robot 5 to start to scoop out the scum. The cooling unit is started when the electromagnetic slag-driving unit is electrified for the first time to start working, the cooling unit cools the electromagnetic slag-driving unit through cooling air, the cooling unit can keep working continuously until the electromagnetic slag-driving unit does not work circularly, and the temperature sensor and the flow rate sensor monitor the electromagnetic slag-driving device I1 and the electromagnetic slag-driving device II 7. When the temperature sensor detects that the temperature is higher than or equal to 90 ℃, the power-on time A value of the variable frequency power supply is reduced, the power-off time B value of the variable frequency power supply is increased, the working temperature of the electromagnetic slag driving device I1 or the electromagnetic slag driving device II 7 is lower than 90 ℃, when the temperature sensor detects that the temperature is lower than or equal to 40 ℃, the power-on time A value of the variable frequency power supply is increased, the power-off time B value of the variable frequency power supply is reduced, the working temperature of the electromagnetic slag driving device I1 or the electromagnetic slag driving device II 7 is between 40 ℃ and 90 ℃, when the monitoring unit monitors that the temperature sensor is continuously detected at the temperature higher than 90 ℃ for a long time, the PLC control unit gives an alarm, at the moment, the whole system possibly works, and reminds relevant personnel to check, when the flow velocity sensor detects that the flow velocity of cooling air is abnormal, for example, the flow velocity is 0 or very small during working, the PLC control unit can give an alarm to remind relevant personnel that the cooling unit possibly has problems to check, so that the electromagnetic slag driving device is prevented from being burnt out.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an automatic electromagnetism deslagging system of continuous zinc-plating line zinc pot, its characterized in that, including being located robot (6) that are used for salvaging the dross at zinc pot (9) rear, being located the electromagnetism that is used for driving the dross in zinc pot (9) the place ahead drives the sediment unit, is used for cooling the cooling unit, the monitoring unit of sediment unit are driven to the electromagnetism, robot (6) the electromagnetism drives the sediment unit the cooling unit the equal electric connection PLC the control unit of monitoring unit.
2. The automatic electromagnetic slag removal system for the continuous galvanizing line zinc pot according to claim 1, wherein the electromagnetic slag removal unit comprises two electromagnetic slag removers I (1) positioned at the front side and the rear side of the air knife (3) and two electromagnetic slag removers II (7) positioned at the left side and the right side of the air knife (3).
3. The automatic electromagnetic slag removal system for the continuous galvanizing line zinc pot according to claim 2, characterized in that the front and rear electromagnetic slag removers I (1) are respectively installed at the lower end of the stabilizing roller beam (2) and the lower end of the sinking roller beam (4), two electromagnetic inductors I are arranged in the electromagnetic slag removers I (1), and the exciting current of the electromagnetic inductors I is 0-500A.
4. The automatic electromagnetic slag removal system for the continuous galvanizing line zinc pot as claimed in claim 2, wherein the two electromagnetic slag removers II (7) are symmetrically distributed on the left side and the right side of the air knife (3), one end of each electromagnetic slag remover II (7) extends towards the rear of the outlet of the furnace nose (5), one electromagnetic inductor II is arranged in each electromagnetic slag remover II (7), and the exciting current of each electromagnetic inductor II is 0-500A.
5. The automatic electromagnetic slag removal system for the continuous galvanizing line zinc pot according to claim 1, wherein the cooling unit is an air cooling unit.
6. The automatic electromagnetic deslagging system of a continuous galvanizing line zinc pot according to claim 1, wherein the monitoring unit comprises temperature sensors and flow rate sensors located in the first electromagnetic slag expeller (1) and the second electromagnetic slag expeller (7), and the monitoring unit further comprises an ultrasonic detector located on the robot (6).
7. The automatic electromagnetic slag removal system for the continuous zinc-coated wire zinc pot according to claim 1, wherein when a variable frequency power supply externally connected with the electromagnetic slag removal unit outputs three-phase current, the power supply frequency of the three-phase current is 0.5Hz to 50Hz, and the phase angle of the three-phase current is 120 degrees; when a variable frequency power supply externally connected with the electromagnetic slag-driving unit outputs two-phase current, the power supply frequency of the two-phase current is 0.5 Hz-50 Hz, and the phase angle of the two-phase current is 90 degrees.
8. A deslagging method using the automatic electromagnetic deslagging system of any one of claims 1 to 7, comprising the steps of: s1, the PLC control unit controls the variable frequency power supply to be electrified, the electromagnetic slag-driving unit starts to work, scum around the middle part of the air knife (3) is driven to two sides by the two electromagnetic slag-driving devices I (1), meanwhile, the scum flowing into the two sides is driven to the rear part of the outlet of the furnace nose (5) by the two electromagnetic slag-driving devices II (7), the variable frequency power supply is electrified for A minutes and then stops for B minutes, wherein the value A is 1-3, and the value B is 5-15; s2, repeating S1; s3, the robot (6) detects that scum comes from the back of the furnace nose (5) through ultrasonic waves, and the PLC control unit controls the robot (5) to start to scoop out the scum.
9. The method for automatically and electromagnetically removing slag from a continuous zinc-plating line pot as claimed in claim 8, wherein the cooling unit is started when the electromagnetic slag removing unit is powered on for the first time, the cooling unit cools the electromagnetic slag removing unit by cooling air, the cooling unit keeps continuously operating until the electromagnetic slag removing unit is not in circulation, and the temperature sensor and the flow rate sensor monitor the first electromagnetic slag remover (1) and the second electromagnetic slag remover (7).
10. The automatic electromagnetic deslagging method of the continuous galvanizing line zinc pot according to claim 9, characterized in that when the temperature sensor detects that the temperature is greater than or equal to 90 ℃, the power-on time A value of the variable frequency power supply is reduced, the power-off time B value of the variable frequency power supply is increased, the working temperature of the electromagnetic slag remover I (1) or the electromagnetic slag remover II (7) is made to be less than 90 ℃, when the temperature sensor detects that the temperature is less than or equal to 40 ℃, the power-on time A value of the variable frequency power supply is increased, the power-off time B value of the variable frequency power supply is reduced, the working temperature of the electromagnetic slag remover I (1) or the electromagnetic slag remover II (7) is made to be between 40 ℃ and 90 ℃, and when the monitoring unit monitors that the temperature sensor is continuously detected for a long time at a temperature higher than 90 ℃, the PLC control unit can give an alarm, and when the flow velocity sensor detects that the flow velocity of the cooling air is abnormal, the PLC control unit can give an alarm.
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| CN202111613996.XA CN114351070B (en) | 2021-12-27 | 2021-12-27 | Automatic electromagnetic slag removal system and method for continuous galvanizing line |
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| CN202111613996.XA CN114351070B (en) | 2021-12-27 | 2021-12-27 | Automatic electromagnetic slag removal system and method for continuous galvanizing line |
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| CN114351070B CN114351070B (en) | 2022-11-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261758A (en) * | 2022-08-17 | 2022-11-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A slag discharge device for improving the quality of hot-dip galvanized coating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1053850A (en) * | 1996-08-12 | 1998-02-24 | Nisshin Steel Co Ltd | Method for removing top dross of hot dip coating bath and device therefor |
| US20140329033A1 (en) * | 2011-10-20 | 2014-11-06 | Marc Anderhuber | Method for Dip Coating a Steel Strip and Facility for Implementing Same |
| CN108998750A (en) * | 2017-06-06 | 2018-12-14 | 宝山钢铁股份有限公司 | The flow control method and device of zinc liquid in hot-dip galvanized pan |
| CN109423588A (en) * | 2017-08-29 | 2019-03-05 | 上海宝信软件股份有限公司 | Dragveyer device people and its application method |
| US20200407832A1 (en) * | 2018-03-07 | 2020-12-31 | Nippon Steel Corporation | Dross removal device, dross removal method, dross detection device, and dross detection method |
-
2021
- 2021-12-27 CN CN202111613996.XA patent/CN114351070B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1053850A (en) * | 1996-08-12 | 1998-02-24 | Nisshin Steel Co Ltd | Method for removing top dross of hot dip coating bath and device therefor |
| US20140329033A1 (en) * | 2011-10-20 | 2014-11-06 | Marc Anderhuber | Method for Dip Coating a Steel Strip and Facility for Implementing Same |
| CN108998750A (en) * | 2017-06-06 | 2018-12-14 | 宝山钢铁股份有限公司 | The flow control method and device of zinc liquid in hot-dip galvanized pan |
| US20200010943A1 (en) * | 2017-06-06 | 2020-01-09 | Baoshan Iron & Steel Co., Ltd. | Method and device for controlling flow of liquid zinc in zinc pot for hot-dip galvanization |
| CN109423588A (en) * | 2017-08-29 | 2019-03-05 | 上海宝信软件股份有限公司 | Dragveyer device people and its application method |
| US20200407832A1 (en) * | 2018-03-07 | 2020-12-31 | Nippon Steel Corporation | Dross removal device, dross removal method, dross detection device, and dross detection method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261758A (en) * | 2022-08-17 | 2022-11-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A slag discharge device for improving the quality of hot-dip galvanized coating |
| CN115261758B (en) * | 2022-08-17 | 2024-12-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A slag removal device for improving the quality of hot-dip galvanized coating |
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Denomination of invention: An automatic electromagnetic slag removal system and method for continuous galvanizing line Effective date of registration: 20231107 Granted publication date: 20221122 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: Y2023980064165 |