CN113463002A - Efficient slag dragging device for continuous hot-dip galvanizing production line and slag dragging method thereof - Google Patents
Efficient slag dragging device for continuous hot-dip galvanizing production line and slag dragging method thereof Download PDFInfo
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- CN113463002A CN113463002A CN202110792776.1A CN202110792776A CN113463002A CN 113463002 A CN113463002 A CN 113463002A CN 202110792776 A CN202110792776 A CN 202110792776A CN 113463002 A CN113463002 A CN 113463002A
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- 239000002893 slag Substances 0.000 title claims abstract description 305
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000005246 galvanizing Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000011701 zinc Substances 0.000 claims abstract description 78
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 78
- 230000003137 locomotive effect Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 19
- 238000007664 blowing Methods 0.000 claims description 16
- 239000013049 sediment Substances 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 238000007747 plating Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000010391 action planning Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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- 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
- Y02P10/00—Technologies related to metal processing
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Abstract
The invention discloses a high-efficiency slag salvaging device for a continuous hot galvanizing production line and a control method thereof, wherein the device comprises a slag salvaging robot base, a slag salvaging head, a slag salvaging robot telescopic cross beam, a slag salvaging robot telescopic vertical rod and a moving vehicle; the utility model discloses a slag dragging robot, including the locomotive, drag for the flexible montant of slag robot, the locomotive corresponds hot-galvanize and produces the zinc pot setting in the line, drags for slag robot base and establishes on the locomotive through rotatable pivot connector, drags for the flexible crossbeam of slag robot and establishes at draging for slag robot base top, the upper end of the flexible montant of slag robot links to each other with the outer end of dragging for slag robot flexible crossbeam, drags for the slag head and establishes the lower extreme at the flexible montant of slag robot. The slag salvaging device has high efficiency and large slag salvaging area, thoroughly replaces manual operation, cancels the original manual auxiliary slag skimming, reduces the cost and improves the operation efficiency.
Description
Technical Field
The invention relates to the technical field of hot galvanizing, in particular to a high-efficiency slag salvaging device and a slag salvaging method for a continuous hot galvanizing production line.
Background
The continuous hot-dip strip steel plating technology has been developed in China for nearly 30 years, the technical level and the construction scale are gradually in the leading position of the world, particularly, in the last ten years, the number of hot-dip galvanizing production lines in construction is increased year by year, and galvanized products gradually move to the market of high-end products with high-level surface quality, ultrahigh corrosion resistance and lower production cost. The zinc pot equipment is used as core equipment of a continuous galvanizing production line, the density and the quantity of the zinc dross in the pot directly influence the quality of the surface of a galvanized plate and the grade of a product, and the influence of a dross dragging process on the zinc dross in the zinc pot is most direct.
The slag dragging robot applied to a hot galvanizing production line at present has the following problems:
1. the slag dragging efficiency of the robot is low: the existing slag dragging robot adopts a single slag dragging head device, and the slag dragging step at each time is as follows: the slag skimming and slag salvaging are limited by influence factors such as slag salvaging tracks, slag salvaging action planning and the like, and the slag salvaging amount is about 5kg/min at present, so that the slag skimming and slag salvaging method cannot meet the high-rhythm production requirement of the existing galvanized wire;
2. the slag dragging area of the robot is limited: the existing robot adopts a mechanical arm to drive a single slag dragging head to drag slag, and due to the influence of factors such as structural design, signal protection and the like, when the robot is close to the edge area of a grate, the interference between the mechanical arm and mechanical equipment such as a zinc boiler grate and the like or the alarm of a trigger protection signal can be easily caused, so that the existing slag dragging robot cannot clean zinc slag near the edge angle area of the lower edge of the grate by about 30 cm;
3. the cleaning of the slag dragging head is incomplete: when the existing slag salvaging robot finishes the slag salvaging operation, the residue in the slag salvaging head is usually cleaned in a mode of shaking the slag salvaging head, and as the zinc slag is placed in the air and is very easy to oxidize and adheres to a net leakage port of the slag salvaging head, the existing shaking mode cannot thoroughly clean the zinc slag remained nearby the net leakage port;
4. manual work cannot be completely replaced: the zinc dross in the area close to the edge of the grate can be condensed for a long time, so that the surface quality defect of the strip steel can be caused. Therefore, manual auxiliary slag skimming is often needed, which wastes certain manpower and loses the significance of full-automatic operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an efficient slag salvaging device for a continuous hot-dip galvanizing production line and a slag salvaging method thereof, so as to achieve the purposes of high slag salvaging efficiency and large slag salvaging area.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a high-efficiency slag salvaging device for a continuous hot galvanizing production line comprises a slag salvaging robot base and a slag salvaging head, and also comprises a slag salvaging robot telescopic cross beam, a slag salvaging robot telescopic vertical rod and a moving vehicle; the utility model discloses a slag dragging robot, including the locomotive, drag for the flexible montant of slag robot, the locomotive corresponds hot-galvanize and produces the zinc pot setting in the line, drags for slag robot base and establishes on the locomotive through rotatable pivot connector, drags for the flexible crossbeam of slag robot and establishes at draging for slag robot base top, the upper end of the flexible montant of slag robot links to each other with the outer end of dragging for slag robot flexible crossbeam, drags for the slag head and establishes the lower extreme at the flexible montant of slag robot.
And a guide rail structure for supporting the moving vehicle is arranged in the hot galvanizing production line, and the moving vehicle is movably arranged on the guide rail structure.
The telescopic cross beam of the slag salvaging robot and the telescopic vertical rod of the slag salvaging robot are both of telescopic structures, and the telescopic range is 0.5-2 m.
The lower part of the telescopic vertical rod of the slag dragging robot is provided with a slag blowing structure corresponding to the slag dragging head for cleaning the residual zinc slag in the slag dragging head, and the slag blowing structure is positioned above the slag dragging head.
The slag dragging heads are uniformly distributed in one group, and the slag dragging heads in one group are all telescopic slag dragging heads.
And a signal inductor used for inducing the position of the slag dragging head is arranged at the lower part of the slag dragging head.
The outside of blowing the sediment structure is connect with the nitrogen gas source, blows the sediment structure and corresponds to dragging for the sediment head and be equipped with the air outlet, and air pressure range 200 ~ 500mbarbra in air outlet department.
The telescopic range of the telescopic slag dragging head is 0.1-1 m.
The slag dragging heads are arranged at the lower end of a telescopic vertical rod of the slag dragging robot through a rotating structure.
A slag salvaging method using the efficient slag salvaging device for the continuous hot galvanizing production line comprises the following steps:
1) starting a power supply, and controlling the mobile vehicle to move the slag dragging robot to an initial position at one end of the zinc pot;
2) the slag salvaging robot is started, the rotating shaft connector is controlled to rotate the slag salvaging robot base to a working position, and the telescopic vertical rods of the slag salvaging robot drive the four telescopic slag salvaging heads to descend to the position near the zinc liquid level; the telescopic slag fishing head is accurately positioned within the range of 0 to 0.5m away from the zinc liquid level through a signal sensor;
3) the telescopic slag dragging head rotates the slag dragging net to a position vertical to the zinc liquid level;
4) the slag fishing operation adopts a mode of rotating four telescopic slag fishing heads to carry out slag fishing operation, and in the process of rotating slag fishing, the telescopic rods of the slag fishing heads stretch outwards in a stepping mode, and the stepping speed is about 4-6cm/s until all zinc slag in the radius is thoroughly removed; or aiming at special areas in the zinc pot, such as zinc dross in the vicinity of 20-40cm of the lower edge corner area of the grate, a single telescopic dross scooping head can be stretched to the maximum position and the zinc dross in the corner area is removed by matching with the transverse movement action of the mobile vehicle;
5) the telescopic slag salvaging head rotates the slag salvaging screen to a position parallel to the liquid level of zinc, the base of the slag salvaging robot is rotated to the position above a zinc slag hopper after the redundant liquid zinc is drained, and the slag salvaging screen is turned over to finish the slag dumping action;
6) starting a slag blowing structure above the telescopic slag fishing head, adjusting the air pressure with the pressure value of 200-500 mbar, and completely removing the zinc slag in the slag fishing net head to finish one-time slag fishing action;
7) rotating the base of the slag salvaging robot to a working position; meanwhile, the telescopic beam of the slag salvaging robot is matched with the moving vehicle to gradually complete a whole round of slag salvaging operation;
8) and after the slag fishing operation is finished, the moving vehicle and the slag fishing robot reset to wait for the next slag fishing command.
Compared with the prior art, the invention has the following advantages:
1. the working efficiency of the existing slag dragging robot is greatly improved, the slag dragging amount is about 15kg/min, and the zinc slag in a zinc pot can be effectively removed in the high-speed continuous production process of a zinc-protecting wire;
2. the manual operation is completely replaced, the original manual auxiliary slag skimming is cancelled, the cost is reduced, the operation efficiency is improved, the field working environment is improved, the situation that an operator is exposed to a high-temperature, high-pollution and high-noise plating solution pot area for a long time is effectively avoided, and the damage to the health of a human body is reduced;
3. the zinc dross in the area range of about 30cm close to the edge of the grate can be cleaned, the zinc dross is prevented from being condensed due to long-time aggregation, and the surface quality of the galvanized sheet is improved;
4. the slag blowing structure can effectively improve single slag removal efficiency, reduce zinc liquid loss, reduce production and operation cost and realize cost reduction and efficiency improvement.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic side view of an embodiment of the apparatus of the present invention.
FIG. 2 is a perspective view of the device of the present invention.
FIG. 3 is a schematic view of a slag blowing structure according to the present invention.
Fig. 4 is a schematic view of a slag dragging head structure of the present invention.
FIG. 5 is a schematic diagram of the slag salvaging operation implemented by the present invention.
In the figure:
1. the slag dragging robot comprises a slag dragging robot base, 2. a slag dragging robot telescopic cross beam, 3. a slag dragging robot telescopic vertical rod, 4. a slag blowing structure, 5. a slag dragging head, 6. a signal sensor, 7. a rotating shaft connector, 8. a moving vehicle, 9. a zinc slag bucket, 10. a furnace grate and 11. a zinc pot.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the efficient slag salvaging device for the continuous hot-dip galvanizing production line is a slag salvaging robot arranged close to a zinc pot, and comprises a slag salvaging robot base 1, a slag salvaging head 5, a slag salvaging robot telescopic cross beam 2, a slag salvaging robot telescopic vertical rod 3 and a moving vehicle 8.
The moving vehicle 8 is arranged corresponding to a zinc pot 11 in a hot galvanizing production line, a guide rail structure for supporting the moving vehicle is arranged in the hot galvanizing production line, and the moving vehicle is movably arranged on the guide rail structure; the slag salvaging robot base 1 is arranged on the moving vehicle through a rotatable rotating shaft connector 7, the slag salvaging robot telescopic cross beam 2 is arranged at the top of the slag salvaging robot base, the upper end of the slag salvaging robot telescopic vertical rod 3 is connected with the outer end of the slag salvaging robot telescopic cross beam, and the slag salvaging head is arranged at the lower end of the slag salvaging robot telescopic vertical rod.
The slag salvaging robot base is connected with the moving vehicle through a rotating shaft connector, so that the slag salvaging robot can rotate to a specified zinc slag bucket conveniently, and the degree of freedom of the slag salvaging robot is improved; the distance between the movable vehicle and the edge of the zinc pot is about 500mm, so that the movable rail is prevented from being corroded by zinc liquid, and the zinc pot is convenient to replace.
The telescopic cross beam 2 of the slag salvaging robot and the telescopic vertical rod 3 of the slag salvaging robot are both of telescopic structures, and the telescopic range is 0.5-2 m; the slag dragging area can cover more than 99% of the area of the zinc pot by matching with a mobile vehicle below the slag dragging robot, and the coverage range is wide; the manual operation is thoroughly replaced, the original manual auxiliary slag skimming is cancelled, the cost is reduced, the operation efficiency is improved, the field working environment is improved, the situation that an operator is exposed to a plating solution pot area with high temperature, high pollution and high noise for a long time is effectively avoided, and the damage to the health of the human body is reduced.
The lower part of the telescopic vertical rod of the slag dragging robot is provided with a slag blowing structure 4 corresponding to the slag dragging head for cleaning the residual zinc slag in the slag dragging head, and the slag blowing structure is positioned above the slag dragging head; the outside of blowing the sediment structure is connect with the nitrogen source, blows the sediment structure and corresponds to dragging for the sediment head and be equipped with the air outlet, and air pressure range 200 ~ 500mbarbra in air outlet department.
Slag dragging robot assemblyWith N2Blow the sediment structure, with flexible montant fixed connection, the air outlet position is corresponding with the retractable head of salvaging for the sediment of below, blows the visual on-the-spot actual conditions of pressure value of sediment and adjusts, usable compression N2And the residual zinc slag in the slag dragging head is quickly cleaned.
The slag fishing heads 5 are uniformly distributed in one group, and the slag fishing heads in one group are all telescopic slag fishing heads; the telescopic range of the telescopic slag dragging head is 0.1 m-1 m. The slag dragging robot is provided with four telescopic slag dragging heads, so that the zinc slag on the surface of the zinc pot can be synchronously and efficiently cleared, the maximum radius of the zinc slag can be cleared up to be all within the range of 1m, and meanwhile, the telescopic structural design can thoroughly clear the zinc slag near the lower edge corner area of the grate 10 by about 30 cm.
The lower part of the slag dragging head is provided with a signal inductor 6 for inducing the position of the slag dragging head. The slag dragging robot is provided with a signal inductor, the telescopic slag dragging head slag dragging range can be realized through an automatic means, the slag dragging operation is kept to be 0-0.5 m below the zinc liquid level, and the accurate slag dragging operation is realized.
The outside of the slag blowing structure is connected with a high voltage N2The medium can prevent effectively that the zincilate from because of the oxidation adhesion in the telescopic drags for the sediment head to lead to the slagging-off inefficiency, simultaneously, air outlet department 200 ~ 500 mbarbra's compression N2Can also thoroughly remove the zinc dross at the mesh opening in the dross dragging head.
The slag fishing heads are arranged at the lower end of a telescopic vertical rod of the slag fishing robot through a rotating structure; the telescopic slag dragging heads are all made of stainless steel, a WC medium is coated on the surfaces of the telescopic slag dragging heads, the telescopic slag dragging heads are prevented from being corroded by zinc liquid, and the service life of the telescopic slag dragging heads is prolonged.
The slag salvaging robot adopts a mode of rotating the telescopic slag salvaging head to carry out slag salvaging operation, the rotating speed is about 18 degrees/s, in the process of rotating and salvaging slag, the telescopic rod of the slag salvaging head adopts step-by-step outward expansion, and the step-by-step speed is about 5cm/s until all zinc slag in the radius is thoroughly removed.
The slag salvaging method by utilizing the efficient slag salvaging device for the continuous hot galvanizing production line comprises the following steps:
1) starting a power supply, and controlling the mobile vehicle to move the slag dragging robot to an initial position at one end of the zinc pot;
2) the slag salvaging robot is started, the rotating shaft connector is controlled to rotate the slag salvaging robot base to a working position, and the telescopic vertical rods of the slag salvaging robot drive the four telescopic slag salvaging heads to descend to the position near the zinc liquid level; the telescopic slag fishing head is accurately positioned within the range of 0 to 0.5m away from the zinc liquid level through a signal sensor;
3) the telescopic slag dragging head rotates the slag dragging net to a position vertical to the zinc liquid level; meanwhile, the telescopic rod is extended to the lowest length position of 0.1 m;
4) the slag fishing operation adopts a mode of rotating four telescopic slag fishing heads to carry out slag fishing operation, and in the process of rotating slag fishing, the telescopic rods of the slag fishing heads stretch outwards in a stepping mode, and the stepping speed is about 4-6cm/s until all zinc slag in the radius is thoroughly removed; or aiming at special areas in the zinc pot, such as zinc dross in the vicinity of 20-40cm of the lower edge corner area of the grate, a single telescopic dross scooping head can be stretched to the maximum position and the zinc dross in the corner area is removed by matching with the transverse movement action of the mobile vehicle;
5) the telescopic slag salvaging head rotates the slag salvaging screen to a position parallel to the liquid level of zinc, the base of the slag salvaging robot is rotated to the position above the zinc slag hopper 9 after the redundant liquid zinc is drained, and the slag salvaging screen is turned over to finish the slag dumping action;
6) starting a slag blowing structure above the telescopic slag fishing head, adjusting the air pressure with the pressure value of 200-500 mbar, and completely removing the zinc slag in the slag fishing net head to finish one-time slag fishing action;
7) rotating the base of the slag salvaging robot to a working position; meanwhile, the telescopic beam of the slag salvaging robot is matched with the moving vehicle to gradually complete a whole round of slag salvaging operation according to the direction of a solid arrow in the figure 2;
8) and after the slag fishing operation is finished, the moving vehicle and the slag fishing robot reset to wait for the next slag fishing command.
Through the slag dragging action in the steps 2-8, more than 99% of the area in the zinc pot behind the furnace grate can be cleaned.
The invention solves the problems that the existing robot has low slag dragging efficiency, the slag dragging area is limited, the cleaning of the slag dragging head is not thorough, the manual operation cannot be completely replaced, and the like. The invention greatly improves the working efficiency of the existing slag dragging robot, the slag dragging amount is about 15kg/min, and the high-speed production rhythm of the galvanizing production line is met; manual operation is completely replaced, and original manual auxiliary slag skimming is cancelled; the zinc dross that closes on the regional scope of grate border about 30cm can be cleared up, prevents that the long-time gathering of zinc dross can cause the condensation of zinc dross, improves the surface quality of galvanized sheet.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. The utility model provides a continuous hot galvanizing produces line and drags for sediment device with high efficiency, includes drags for sediment robot base and drags for the sediment head, its characterized in that: the slag salvaging robot also comprises a slag salvaging robot telescopic cross beam, a slag salvaging robot telescopic vertical rod and a moving vehicle; the utility model discloses a slag dragging robot, including the locomotive, drag for the flexible montant of slag robot, the locomotive corresponds hot-galvanize and produces the zinc pot setting in the line, drags for slag robot base and establishes on the locomotive through rotatable pivot connector, drags for the flexible crossbeam of slag robot and establishes at draging for slag robot base top, the upper end of the flexible montant of slag robot links to each other with the outer end of dragging for slag robot flexible crossbeam, drags for the slag head and establishes the lower extreme at the flexible montant of slag robot.
2. The high-efficiency slag dragging device for the continuous hot galvanizing production line according to claim 1, wherein: and a guide rail structure for supporting the moving vehicle is arranged in the hot galvanizing production line, and the moving vehicle is movably arranged on the guide rail structure.
3. The high-efficiency slag dragging device for the continuous hot galvanizing production line according to claim 1, wherein: the telescopic cross beam of the slag salvaging robot and the telescopic vertical rod of the slag salvaging robot are both of telescopic structures, and the telescopic range is 0.5-2 m.
4. The high-efficiency slag dragging device for the continuous hot galvanizing production line according to claim 1, wherein: the lower part of the telescopic vertical rod of the slag dragging robot is provided with a slag blowing structure corresponding to the slag dragging head for cleaning the residual zinc slag in the slag dragging head, and the slag blowing structure is positioned above the slag dragging head.
5. The high-efficiency slag dragging device for the continuous hot galvanizing production line according to claim 1, wherein: the slag dragging heads are uniformly distributed in one group, and the slag dragging heads in one group are all telescopic slag dragging heads.
6. The high-efficiency slag dragging device for the continuous hot galvanizing production line according to claim 1, wherein: and a signal inductor used for inducing the position of the slag dragging head is arranged at the lower part of the slag dragging head.
7. The efficient slag dragging device for the continuous hot galvanizing production line according to claim 4, wherein: the outside of blowing the sediment structure is connect with the nitrogen gas source, blows the sediment structure and corresponds to dragging for the sediment head and be equipped with the air outlet, and air pressure range 200 ~ 500mbarbra in air outlet department.
8. The efficient slag dragging device for the continuous hot galvanizing production line according to claim 5, wherein: the telescopic range of the telescopic slag dragging head is 0.1-1 m.
9. The efficient slag dragging device for the continuous hot galvanizing production line according to claim 5, wherein: the slag dragging heads are arranged at the lower end of a telescopic vertical rod of the slag dragging robot through a rotating structure.
10. A slag salvaging method using the high-efficiency slag salvaging device for the continuous hot galvanizing production line according to any one of claims 1 to 9, which is characterized in that: the slag salvaging method comprises the following steps:
1) starting a power supply, and controlling the mobile vehicle to move the slag dragging robot to an initial position at one end of the zinc pot;
2) the slag salvaging robot is started, the rotating shaft connector is controlled to rotate the slag salvaging robot base to a working position, and the telescopic vertical rods of the slag salvaging robot drive the four telescopic slag salvaging heads to descend to the position near the zinc liquid level; the telescopic slag fishing head is accurately positioned within the range of 0 to 0.5m away from the zinc liquid level through a signal sensor;
3) the telescopic slag dragging head rotates the slag dragging net to a position vertical to the zinc liquid level;
4) the slag fishing operation adopts a mode of rotating four telescopic slag fishing heads to carry out slag fishing operation, and in the process of rotating slag fishing, the telescopic rods of the slag fishing heads stretch outwards in a stepping mode, and the stepping speed is about 4-6cm/s until all zinc slag in the radius is thoroughly removed; or aiming at special areas in the zinc pot, such as zinc dross in the vicinity of 20-40cm of the lower edge corner area of the grate, a single telescopic dross scooping head can be stretched to the maximum position and the zinc dross in the corner area is removed by matching with the transverse movement action of the mobile vehicle;
5) the telescopic slag salvaging head rotates the slag salvaging screen to a position parallel to the liquid level of zinc, the base of the slag salvaging robot is rotated to the position above a zinc slag hopper after the redundant liquid zinc is drained, and the slag salvaging screen is turned over to finish the slag dumping action;
6) starting a slag blowing structure above the telescopic slag fishing head, adjusting the air pressure with the pressure value of 200-500 mbar, and completely removing the zinc slag in the slag fishing net head to finish one-time slag fishing action;
7) rotating the base of the slag salvaging robot to a working position; meanwhile, the telescopic beam of the slag salvaging robot is matched with the moving vehicle to gradually complete a whole round of slag salvaging operation;
8) and after the slag fishing operation is finished, the moving vehicle and the slag fishing robot reset to wait for the next slag fishing command.
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| CN202110792776.1A CN113463002B (en) | 2021-07-14 | 2021-07-14 | Efficient slag dragging device and method for continuous hot galvanizing production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115612959A (en) * | 2022-12-19 | 2023-01-17 | 天津市新天钢冷轧板业有限公司 | Hot melt slagging-off platform of belted steel galvanizing kettle |
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| CN113463002B (en) | 2024-03-08 |
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