CN108330424B - Non-contact pneumatic broom type strip steel hot galvanizing system - Google Patents
Non-contact pneumatic broom type strip steel hot galvanizing system Download PDFInfo
- Publication number
- CN108330424B CN108330424B CN201810198530.XA CN201810198530A CN108330424B CN 108330424 B CN108330424 B CN 108330424B CN 201810198530 A CN201810198530 A CN 201810198530A CN 108330424 B CN108330424 B CN 108330424B
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- zinc
- pneumatic
- strip steel
- outlet
- hot galvanizing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000005246 galvanizing Methods 0.000 title claims abstract description 32
- 244000007853 Sarothamnus scoparius Species 0.000 title claims abstract description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000011701 zinc Substances 0.000 claims abstract description 87
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 87
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000007598 dipping method Methods 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims abstract description 22
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract 8
- 238000004321 preservation Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims 7
- 239000002893 slag Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
Abstract
The invention discloses a non-contact pneumatic broom type strip steel hot galvanizing system, strip steel is rolled by two inlet stabilizing rollers, enters a heat insulation cover through a horizontal narrow slit at the inlet side of the heat insulation cover, then passes through rectangular strip steel through holes of a zinc dipping pipe in a zinc dipping pipe group in sequence, passes through a blowing surface of two pneumatic brooms, passes through a gap between a pair of air knives, then is discharged out of the heat insulation cover through the horizontal narrow slit at the outlet side of the heat insulation cover, and finally is discharged out through two outlet stabilizing rollers. The invention creatively innovates the traditional hot galvanizing system in principle, cancels the traditional sink roll and adopts the sink roll-free mode to galvanize, thus effectively avoiding the principle defect of the traditional hot galvanizing mode; the invention realizes the purpose of no zinc slag in the zinc pot by circularly supplying the hot galvanizing zinc liquid, thereby effectively reducing the labor consumption; by adopting the hot galvanizing system, the surface quality of the strip steel can be effectively guaranteed, and the surface scratch rate and the rejection rate of coiled strip steel can be obviously reduced, so that the yield is improved.
Description
Technical Field
The invention relates to a hot galvanizing system, in particular to a non-contact pneumatic broom type strip steel hot galvanizing system, and belongs to the technical field of metallurgical equipment.
Background
The hot galvanized plate is a plate and strip product with a large using amount, the traditional hot galvanizing product is mainly carried out by using a zinc pot, wherein a sink roller is arranged in the zinc pot, and the strip steel is immersed into the zinc pot and penetrates out of a zinc liquid in the zinc pot by using the sink roller, so that the purpose of galvanizing the surface of the strip steel is realized, but the traditional mode needs to regularly clean zinc slag in the zinc pot, needs to shut down a production line and then consumes a large amount of manpower and material resources for cleaning, and the zinc slag generated in the zinc pot is very easily adsorbed on the surface of the strip steel and scratches the surface of the strip steel; in addition, in the traditional production process, a sink roll arranged in a zinc pot is a necessary key part, but the existence of the sink roll has great influence on the surface roughness and the final quality of the strip steel, and once the process parameters are not set well, production accidents such as scratch and the like are likely to occur, and finally the serious result of scrapping of the whole roll of strip steel is caused.
In summary, the conventional zinc pot has many process and equipment principle defects, and although a great deal of improvement research is carried out on the conventional process in recent years, the principle process is not changed and the effect is slight, so that the hot galvanizing system needs to be researched in principle to fundamentally solve the technical problems.
Disclosure of Invention
Aiming at the problems, the invention provides a non-contact pneumatic broom type strip steel hot galvanizing system, and the principle of the system is fundamentally different from that of the traditional technology in process and equipment.
The invention adopts the technical scheme that the non-contact pneumatic broom type strip steel hot galvanizing system comprises two inlet stabilizing rollers and two outlet stabilizing rollers, wherein a heat preservation cover is arranged between the inlet stabilizing rollers and the outlet stabilizing rollers, the inlet side and the outlet side of the heat preservation cover are respectively provided with a horizontal narrow slit, a zinc dipping pipe group is arranged in the heat preservation cover close to the inlet side and consists of a plurality of Z-shaped zinc dipping pipes, the upper parts of all the zinc dipping pipes are communicated with a residual zinc outlet, the lower parts of the zinc dipping pipes are communicated with a zinc liquid inlet, two sides of the middle part of each zinc dipping pipe are respectively provided with a rectangular strip steel through hole, and each rectangular strip steel through hole and the horizontal narrow slit on the heat preservation cover are positioned on the same plane; two pneumatic besoms are also arranged in the heat-insulating cover and are positioned behind the zinc dipping pipe group, besom heads are arranged on the pneumatic besoms, the besom heads are of a disc-shaped structure, blowing surfaces are arranged on the besom heads, the blowing surfaces of the two pneumatic besoms are oppositely arranged, and the two pneumatic besoms do self-rotation motion along the axes of the two pneumatic besoms; the heat preservation cover is also internally provided with a pair of air knives which are symmetrically arranged up and down and are positioned behind the pneumatic broom; the strip steel is rolled by the two inlet stabilizing rollers, enters the heat-insulating cover through the horizontal narrow gap at the inlet side of the heat-insulating cover, sequentially passes through the rectangular strip steel through hole of the zinc-dipping pipe in the zinc-dipping pipe group, passes through the air blowing surfaces of the two pneumatic besoms, passes through the gap between the pair of air knives, exits the heat-insulating cover through the horizontal narrow gap at the outlet side of the heat-insulating cover, and finally is sent out through the two outlet stabilizing rollers.
Further, the vertical distance between the air blowing surfaces of the two pneumatic besoms is 5mm ~ 80 mm.
Furthermore, an included angle between the air blowing direction of the air blowing surfaces on the two pneumatic besoms and the movement direction of the besom head is 10 degrees ~ 50 degrees.
The device is characterized by further comprising a zinc liquid parameter adjustment integration device, wherein a pump set is arranged in the zinc liquid parameter adjustment integration device, a zinc liquid inlet and a residual zinc outlet are both communicated with the zinc liquid parameter adjustment integration device, and the pump set provides power, so that zinc liquid meeting the galvanizing requirement parameters is sent into the galvanizing tube group from the zinc liquid parameter adjustment integration device through the zinc liquid inlet, enters the galvanizing tube group to finish galvanizing, then flows back to the zinc liquid parameter adjustment integration device from the residual zinc outlet, and is subjected to zinc liquid parameter adjustment and zinc residue filtration again.
Due to the adoption of the technical scheme, the invention has the following advantages: (1) the invention creatively innovates the traditional hot galvanizing system in principle, cancels the traditional sink roll and adopts the sink roll-free mode to galvanize, thus effectively avoiding the principle defect of the traditional hot galvanizing mode; (2) according to the invention, the hot galvanizing zinc liquid is circularly supplied, so that the purpose of no zinc slag in the zinc pot is realized, the labor consumption is effectively reduced, the production cost is saved, and the production efficiency is improved; (3) by adopting the hot galvanizing system, the surface quality of the strip steel can be effectively guaranteed, and the surface scratch rate and the rejection rate of coiled strip steel can be obviously reduced, so that the yield is improved.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a cross-sectional view of the structure of fig. 1 in accordance with the present invention.
Fig. 3 is a schematic perspective view of the zinc-impregnated tube group according to the present invention.
Fig. 4 is a front view of a zinc-impregnated tube set according to the present invention.
FIG. 5 is a schematic diagram showing the blowing direction of the upper blowing surface of the pneumatic broom and the movement direction of the strip steel.
Reference numerals: 1-strip steel; 2-zinc dipping pipe group; 3-pneumatic besom; 4-an air knife; 5-a heat preservation cover; 6-inlet stabilizing rolls; 7-residual zinc outlet; 8-broom head; 9-blowing surface; 10-exit stabilizing rolls; 11-rectangular strip steel via holes; 12-zinc liquid inlet.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 5, the non-contact pneumatic broom type hot galvanizing system for strip steel comprises two inlet stabilizing rollers 6 and two outlet stabilizing rollers 10, a heat preservation cover 5 is arranged between the inlet stabilizing rollers 6 and the outlet stabilizing rollers 10, horizontal narrow slits are respectively arranged on the inlet side and the outlet side of the heat preservation cover 5, a zinc dipping pipe group 2 is arranged inside the heat preservation cover 5 and close to the inlet side, the zinc dipping pipe group 2 is composed of a plurality of Z-shaped zinc dipping pipes, the upper parts of all the zinc dipping pipes are communicated with a residual zinc outlet 7, the lower parts of the zinc dipping pipes are communicated with a zinc liquid inlet 12, rectangular strip steel 1 through holes 11 are respectively arranged on two sides of the middle part of each zinc dipping pipe, and the rectangular strip steel 1 through holes 11 and the horizontal narrow slits on the heat preservation cover 5 are located on the same. The inside pneumatic broom 3 that still is provided with of heat preservation cover 5, two pneumatic broom 3 are located zinc dipping nest of tubes 2 rear, are provided with the broom head 8 on the pneumatic broom 3, and the broom head 8 is discoid structure, and is provided with blowing face 9 on the broom head 8, and the blowing face 9 of two pneumatic broom 3 is installed relatively, and two pneumatic broom 3 are along self axis rotation motion. The heat preservation cover 5 is also internally provided with a pair of air knives 4, and the pair of air knives 4 are symmetrically arranged up and down and are positioned behind the pneumatic broom 3.
The vertical distance between the air blowing surfaces 9 of the two pneumatic besoms 3 is 5mm ~ 80mm, and the included angle between the air blowing direction of the air blowing surfaces 9 on the two pneumatic besoms 3 and the movement direction of the besom head 8 is 10 degrees ~ 50 degrees.
The strip steel 1 is rolled in by two inlet stabilizing rollers 6, enters the heat-insulating cover 5 through a horizontal narrow gap at the inlet side of the heat-insulating cover 5, then sequentially passes through a rectangular strip steel 1 through hole 11 of a zinc-dipping pipe in the zinc-dipping pipe group 2, passes through a gap between air blowing surfaces 9 of two pneumatic besoms 3, then passes through a gap between a pair of air knives 4, is discharged out of the heat-insulating cover 5 through the horizontal narrow gap at the outlet side of the heat-insulating cover 5, and finally is discharged through two outlet stabilizing rollers 10. The device is also provided with a zinc liquid parameter adjustment integrated device, a pump set is arranged in the zinc liquid parameter adjustment integrated device, a zinc liquid inlet 12 and a residual zinc outlet 7 are both communicated with the zinc liquid parameter adjustment integrated device, and the pump set provides power, so that zinc liquid meeting the galvanizing requirement parameters is sent into the galvanizing tube group 2 from the zinc liquid parameter adjustment integrated device through the zinc liquid inlet 12, enters the galvanizing tube group 2, is galvanized, then flows back to the zinc liquid parameter adjustment integrated device from the residual zinc outlet 7, and is subjected to zinc liquid parameter adjustment and zinc slag filtration again.
Claims (4)
1. The utility model provides a non-contact pneumatic broom formula belted steel hot dip galvanizing system which characterized in that: the zinc immersion furnace comprises two inlet stabilizing rollers (6) and two outlet stabilizing rollers (10), wherein a heat insulation cover (5) is arranged between the inlet stabilizing rollers (6) and the outlet stabilizing rollers (10), horizontal narrow slits are respectively arranged on the inlet side and the outlet side of the heat insulation cover (5), a zinc immersion pipe group (2) is arranged in the heat insulation cover (5) close to the inlet side, the zinc immersion pipe group (2) is composed of a plurality of Z-shaped zinc immersion pipes, the upper parts of all the zinc immersion pipes are communicated with a residual zinc outlet (7), the lower parts of the zinc immersion pipes are communicated with a zinc liquid inlet (12), rectangular strip steel through holes (11) are respectively arranged on two sides of the middle part of each zinc immersion pipe, and each rectangular strip steel through hole (11) and the horizontal narrow slit on the heat insulation cover (5) are positioned on the same plane; two pneumatic besoms (3) are further arranged inside the heat preservation cover (5), the two pneumatic besoms (3) are located behind the zinc dipping pipe group (2), besom heads (8) are arranged on the pneumatic besoms (3), the besom heads (8) are of disc-shaped structures, air blowing surfaces (9) are arranged on the besom heads (8), the air blowing surfaces (9) of the two pneumatic besoms (3) are oppositely arranged, and the two pneumatic besoms (3) do rotation motion along the axis of the pneumatic besoms; the heat preservation cover (5) is also internally provided with a pair of air knives (4), and the pair of air knives (4) are symmetrically arranged up and down and are positioned behind the pneumatic broom (3); the strip steel (1) is rolled in by two inlet stabilizing rollers (6), enters the heat-insulating cover (5) through a horizontal narrow slit at the inlet side of the heat-insulating cover (5), then sequentially passes through rectangular strip steel through holes (11) of a zinc dipping pipe in the zinc dipping pipe group (2), passes through between air blowing surfaces (9) of two pneumatic besoms (3), passes through a gap between a pair of air knives (4), then exits the heat-insulating cover (5) through the horizontal narrow slit at the outlet side of the heat-insulating cover (5), and finally is sent out through two outlet stabilizing rollers (10).
2. The non-contact pneumatic broom-type hot galvanizing system for the strip steel as claimed in claim 1, characterized in that the vertical distance between the blowing surfaces (9) of the two pneumatic brooms (3) is 5mm ~ 80 mm.
3. The non-contact pneumatic broom type strip steel hot galvanizing system of claim 1, wherein an included angle between the blowing direction of the blowing surfaces (9) on the two pneumatic brooms (3) and the movement direction of the broom heads (8) is 10 degrees ~ 50 degrees.
4. The non-contact pneumatic broom-type strip steel hot galvanizing system of claim 1, characterized in that: the device is characterized by also comprising a zinc liquid parameter adjustment integrated device, wherein a pump set is arranged in the zinc liquid parameter adjustment integrated device, the zinc liquid inlet (12) and the residual zinc outlet (7) are both communicated with the zinc liquid parameter adjustment integrated device, and the pump set provides power, so that zinc liquid meeting the galvanizing requirement parameters is sent into the zinc dipping pipe group (2) from the zinc liquid parameter adjustment integrated device through the zinc liquid inlet (12), enters the zinc dipping pipe group (2), flows back to the zinc liquid parameter adjustment integrated device from the residual zinc outlet (7) after galvanizing is completed, and is subjected to zinc liquid parameter adjustment and zinc residue filtration again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198530.XA CN108330424B (en) | 2018-03-12 | 2018-03-12 | Non-contact pneumatic broom type strip steel hot galvanizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198530.XA CN108330424B (en) | 2018-03-12 | 2018-03-12 | Non-contact pneumatic broom type strip steel hot galvanizing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108330424A CN108330424A (en) | 2018-07-27 |
| CN108330424B true CN108330424B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810198530.XA Active CN108330424B (en) | 2018-03-12 | 2018-03-12 | Non-contact pneumatic broom type strip steel hot galvanizing system |
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| CN (1) | CN108330424B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914033B (en) * | 2018-08-08 | 2020-02-14 | 湖南恒力通电气设备科技有限公司 | Steel plate galvanizing production line and galvanizing process thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52129636A (en) * | 1976-04-23 | 1977-10-31 | Nippon Kokan Kk | Method of plating outer surface of steel pipe with molten zinc |
| JPS5328526A (en) * | 1976-08-30 | 1978-03-16 | Nippon Kokan Kk | Process and apparatus for producing steel pipe having zenccplated outer surface |
| DE4105159A1 (en) * | 1991-02-20 | 1992-08-27 | K A Schwan | Coated and ribbed reinforcing rod prodn. - involves rolling ribbing after coating process |
| JPH07232260A (en) * | 1994-02-22 | 1995-09-05 | Furukawa Electric Co Ltd:The | Production method of copper or copper alloy covered steel wire |
| JPH11246960A (en) * | 1998-03-02 | 1999-09-14 | Nittetsu Steel Pipe Co Ltd | Hot dip galvanized steel tube excellent in high strength |
| US9249489B2 (en) * | 2009-08-28 | 2016-02-02 | Daiwa Steel Tube Industries Co., Ltd. | Method and system for manufacturing metal-plated steel pipe |
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| CN108330424A (en) | 2018-07-27 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191220 Address after: 064400 Da Wu Li Xiang, Qian'an City, Tangshan City, Hebei Province Applicant after: Qian'an LIANGANG ZENGZHOU Steel Pipe Co.,Ltd. Address before: Room 710, Wanzhong Building, Tiantaishan Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Applicant before: QINHUANGDAO DIANZHIHUI TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A non-contact pneumatic broom type hot galvanizing system for strip steel Effective date of registration: 20221010 Granted publication date: 20200117 Pledgee: Bank of China Limited Qian'an Branch Pledgor: Qian'an LIANGANG ZENGZHOU Steel Pipe Co.,Ltd. Registration number: Y2022980017886 |
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Date of cancellation: 20231107 Granted publication date: 20200117 Pledgee: Bank of China Limited Qian'an Branch Pledgor: Qian'an LIANGANG ZENGZHOU Steel Pipe Co.,Ltd. Registration number: Y2022980017886 |
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