CN1068980A - Narrow metal tape hot-dip apparatus - Google Patents
Narrow metal tape hot-dip apparatus Download PDFInfo
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- CN1068980A CN1068980A CN 92103174 CN92103174A CN1068980A CN 1068980 A CN1068980 A CN 1068980A CN 92103174 CN92103174 CN 92103174 CN 92103174 A CN92103174 A CN 92103174A CN 1068980 A CN1068980 A CN 1068980A
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- cylinder body
- composite blade
- combination cylinder
- cover
- hot dipping
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Abstract
Narrow metal tape hot-dip apparatus has a hot dipping groove, has a part to immerse crucible roller and a lower edge that is enclosure wall shape in the molten metal in the groove, and there is a cover top of groove, inert gas inleting pipe is arranged on the cover, treat the entrance and exit of the metal tape of dip-coating.The feature of this device is to also have one group of upper and lower composite blade or upper and lower combination cylinder body and water-cooling system that coating is cooled off rapidly that is used to control coating layer thickness.The advantage of this device is: simple in structure, easy to operate, coating layer thickness is even, is easy to control, and the coating surface light is active good.This device is specially adapted to the Continuous Heat dip-coating of narrow metal tape.
Description
The present invention relates to the device of surfaces of metallic strip Continuous Heat dip gilding coating.
Metal (or alloy) band is continued to pass through low-melting-point metal (tin, lead, zinc, aluminium) and alloy liquation hot dipping groove thereof, coat layer of metal brilliantly in order to make on the strip surface all face, occurred several different methods, how flat uneven coating metal liquation cloth on the strip surface of just coming out from molten metal its development priority is.Extensively the method that adopts is air blow off (embrocation is scraped in air-blowing).U.S. Pat 4330574 has been revealed a kind of light system method with molten metal hot dip coating ferrous metals band, and it is exactly the scraping method that adopts high pure nitrogen to blow, and its shortcoming is to expend a large amount of nitrogen, and the coating uniformity coefficient is still undesirable.The clear 61-177362 of Japanese Patent Application Laid-Open discloses a kind of liquid coating method.In order to save inert gas, this method adopts the method for electromagnetic force control coating layer thickness, and weak point is that the skeleton of generation electromagnetic force is very near apart from the coated band.In order not make skeleton scratch coating, still the air-blowing nozzle to be set.So it has both saved medicine not how many inert gases are difficult to again drop into and use.U.S. Pat 4444814 discloses the method and apparatus that the common refining roller of a kind of usefulness comes hot dip coating ferrous metals band.Its main points are to use the pretreated ferrous metals band for the treatment of dip-coating to enter the hot dipping groove that fills molten metal (zinc, aluminium or their alloy) liquid by an inlet, the ferrous metals band is that a pair of refining roller is passed in crucible roller guiding more vertically upward in groove, should have half to immerse in the molten metal by refining roller, half exposes outside the molten metal.Above refining roller a cover is arranged, the cover lower end is stretched in the molten metal, and two air inlet pipe are arranged in the cover, can feed nitrogen or non-oxidizing gas.The effect of cover and air inlet pipe is to make and keeps a kind of inert atmosphere or non-oxidizing atmosphere in the cover, thereby make from refining roller, pass through, just to leave the molten metal of firm coated on ferrous metals band two sides of molten metal not oxidized, the nitrogen of being introduced by air inlet pipe also can blow unnecessary molten metal on the meniscus that the molten metal between ferrous metals band and the refining roller forms off, makes meniscus minimizing as far as possible.Because cover only covers on refining roller segment, the space is less, thereby less for the required nitrogen of keeping in the cover of inert atmosphere, has saved the nitrogen consumption to a certain extent.The weak point of this apparatus and method is: know from practice, just gone out the coated band of drawing in the molten metal, it is uneven that the metal coating solution of hanging is gone up on its surface.This United States Patent (USP) is to draw the coated band from curved liquid molten metal, and this is more or less the same with directly drawing from molten metal, so the control of its coating uniformity and thickness still exists certain difficulty.
The objective of the invention is to overcome the deficiency of prior art, a kind of improved metal belt hot immersion plating apparatus is proposed, with the wide metal coated band of 1～5mm of continuous preparation iron-based, non-iron-based, coating layer thickness is controlled at 0.2～16 μ m, can reduce the inert gas consumption significantly, coating surface light, thickness are even, and good surface activity is convenient to soldering.
Technical solution of the present invention is with composite blade or combination cylinder body scraping coated band, with inert gas shielding coated molten metal and the measure of water-cooled coated band three technology in a small amount, can achieve the above object.
Apparatus of the present invention comprise: a hot dipping groove (10), and it is around with one group of heating wire (11), and (10) are electrically insulated from each other with (11), fill the molten metal (17) for the treatment of coated in the hot dipping groove (10); A cover (2) that is positioned at hot dipping groove (10) top, on the cover (2) inert gas inleting pipe (3) is housed, the inlet (9) of metal tape (1) and outlet (8), between hot dipping groove (10) and cover (2) lower edge (20) that stretches in the molten metal (17) is arranged, lower edge (20) is enclosure wall shape; There is a part to immerse crucible roller (12) in the molten metal (17) in the hot dipping groove (10), its guiding metal tape (1) continuous walking, feature of the present invention is: said device also has: (a) composite blade (6) or go up combination cylinder body (18) on a group, with following composite blade (7) or following combination cylinder body (19), last composite blade (6) or last combination cylinder body (18) all are fixed on the cover (2), following composite blade (7) or following combination cylinder body (19) are fixed on the bottom of hot dipping groove (10), (b) one group of adjusting screw mandrel (4) that is fixed on cover (2) upper surface, (4) have a hold-down nut (5) on, (c) water-cooling system that is positioned at outlet (8) next door, it is made up of sparge pipe (13) and water receiving tank (14), and an outlet pipe (15) is arranged at the bottom of water receiving tank (14).The water spraying direction of sparge pipe (13) can be a level, also can be from top to bottom, perhaps from bottom to top.Preferential upper and lower composite blade (6), (7) or upper and lower combination cylinder body (18), each blade of (19) or the spacing L=5～20mm between each cylinder that recommends, column diameter D=2～8mm, install facing to gap L between the upper and lower composite blade or between the upper and lower combination cylinder each other the relief angle α of blade=1～18 °.Crucible roller (12), upper and lower composite blade (6), (7) and upper and lower combination cylinder body (18), (19) are by a kind of the making of selecting in the materials such as resistant to elevated temperatures tungsten, molybdenum, carbide alloy, alundum (Al, zirconium dioxide, carborundum.
Apparatus of the present invention operation principle process is as follows: as shown in Figure 1, make heating wire (11) energising heating earlier, feed inert gas (preferably nitrogen) by air inlet pipe (3), treat that coated metal (17) penetrates band (1) and begins tape transport to Wen Huahou.Crucible roller (12) is guided by the narrow metal tape of coated (1) by inlet (9) direction continuous walking to outlet (8).Regulate screw mandrel (4), with the degree of depth of nipping of adjusting composite blade (6), (7) or combination cylinder body (18), (19), thereby control metal tape (1) is gone up the thickness of coating; Under composite blade or combination cylinder body scraping effect, metal tape (1) is gone up unnecessary coated molten metal and is wiped off, thereby makes coating metal even.Coated after the metal tape of metal (1) leaves outlet (8), promptly, make the coating light, densification by the cooling rapidly of the water column (16) of sparge pipe (13) spray.Bringing down leg (16) flows into water receiving tank (14) and flows away or recycle from delivery port (15).Coated the narrow metal tape of metal (1) directly enter the machine reel (not shown).
Compare with prior art, the present invention has following advantage:
1, hot dipping metal coating thickness is even, is easy to control;
2, coating surface light, active good is convenient to soldering;
3, whole hot dipping groove has cover to hide, and inert gas shielding is arranged, and therefore whole Metal Melting liquid level is not oxidized; And because the clearance spaces between cover (2) and the hot dipping groove (10) is less, so the inert gas consumption is few;
4, simple in structure, work convenience, reliable.
Description of drawings:
Fig. 1 is the elevation cross-sectional view of apparatus of the present invention.
Fig. 2 is the water-cooling system schematic diagram of spraying water from lower to upper.
Fig. 3 is the water-cooling system schematic diagram of spraying water from top to bottom.
Fig. 4 is the relief angle α schematic diagram of composite blade.
Fig. 5 is this part-structure schematic diagram that combination cylinder body (18) and (19) replace the device of composite blade (6), (7).
The invention will be further described below in conjunction with embodiment and accompanying drawing.
Fig. 1 is one embodiment of the present of invention.This device has a hot dipping groove (10), and it is around with one group of heating wire (11).There is a cover (2) top of hot dipping groove (10), and metal air inlet pipe (3), an adjusting screw mandrel (4) and appended nut (5), upward composite blade (6), inlet (9), the outlet (8) thereof of an internal diameter 5mm are installed on the cover (2).Between cover (2) and the hot dipping groove (10) lower edge (20) that extend in the molten metal (17) is arranged.Following composite blade (7) is fixed on the base plate of hot dipping groove, the gap L=10mm between the blade, and the relief angle α of blade=15 °, crucible roller (12) are positioned at hot dipping groove (10) inside, and part immerses in the molten metal (tin melt).Make by A12O3 crucible roller (12) and upper and lower composite blade (6), (7).Water-cooling system is made up of sparge pipe (13) and water receiving tank (14), and water spraying direction is a horizontal-jet type, and the cooling water that falls into (14) flows away from outlet pipe (15).
Fig. 2 is the part-structure schematic diagram of another embodiment of apparatus of the present invention, and this apparatus main body part is identical with embodiment 1, and just water-cooling system such as Fig. 2 show that it is up water column mode, is that sparge pipe (13) is to spray water from lower to upper.
Example 3
Fig. 3 is the embodiment of descending water column mode, and promptly sparge pipe (13) is to spray water from top to bottom, and all the other structures are identical with example 1.
Fig. 5 is the part-structure schematic diagram of another embodiment.It replaces upper and lower composite blade (6), (7) among the embodiment 1 with upper and lower combination cylinder body (18), (19), and all the other structures are made its diameter D=5mm, the gap L=15mm between the rod with embodiment 1 identical cylinder by the metal tungsten bar.
Claims (5)
1, a kind of narrow metal tape hot-dip apparatus, said device has a hot dipping groove (10), wherein fill the molten metal (17) for the treatment of dip gilding, its outside is wound with one group of heating wire (11), (10) be electrically insulated from each other with (11), in the top of hot dipping groove (10) cover (2) is arranged, inert gas inleting pipe (3) is housed on it, the outlet (8) of metal tape (1) and inlet (9), between hot dipping groove (10) and cover (2), a lower edge (20) that stretches in the molten metal (17) is arranged, lower edge (20) is enclosure wall shape, also has a part to immerse crucible roller (12) in the molten metal (17) in the hot dipping groove (10); Feature of the present invention is that said device also has: (a) composite blade (6) or go up combination cylinder body (18) and following composite blade (7) or descend combination cylinder body (19) on a group, last composite blade (6) or last combination cylinder body (18) all are fixed on the cover (2), following composite blade (7) or following combination cylinder body (19) are fixed on the bottom of hot dipping groove (10), (b) one group of adjusting screw mandrel (4) that is fixed on cover (2) upper surface, (4) have a hold-down nut (5) on, (c) water-cooling system that is positioned at outlet (8) next door, it is made up of sparge pipe (13) and water receiving tank (14), and an outlet pipe (15) is arranged at the bottom of water receiving tank (14).
2, device as claimed in claim 1 is characterized in that the water spraying direction of said sparge pipe (13) is a horizontal direction, or from top to bottom, or from bottom to top.
3, as the device of claim 1 and 2, it is characterized in that each blade of said upper and lower composite blade (6), (7) or upper and lower combination cylinder body (18), (19) or the spacing L=5～20mm between each cylinder, column diameter D=2～8mm, install facing to gap L between the upper and lower composite blade or between the upper and lower combination cylinder body each other the relief angle α of blade=1～18 °.
4,, it is characterized in that said crucible roller (12), upper and lower composite blade (6), (7) and upper and lower combination cylinder body (18), (19) are by a kind of the making of selecting in the materials such as tungsten, molybdenum, carbide alloy, alundum (Al, zirconium dioxide, carborundum as the device of claim 1 and 2.
5, device as claimed in claim 3, it is characterized in that said glycosides crucible roller (12), upper and lower composite blade (6), (7) and upper and lower combination cylinder body (18), (19) are by a kind of the making of selecting in the materials such as tungsten, molybdenum, carbide alloy, alundum (Al, zirconium dioxide, carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92103174 CN1027624C (en) | 1992-04-25 | 1992-04-25 | Narrow metal tape hot-dip apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92103174 CN1027624C (en) | 1992-04-25 | 1992-04-25 | Narrow metal tape hot-dip apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1068980A true CN1068980A (en) | 1993-02-17 |
| CN1027624C CN1027624C (en) | 1995-02-15 |
Family
ID=4940056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92103174 Expired - Fee Related CN1027624C (en) | 1992-04-25 | 1992-04-25 | Narrow metal tape hot-dip apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1027624C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622854A (en) * | 2016-12-23 | 2017-05-10 | 鞍山发蓝股份公司 | Paint scraping device for producing painted strip steel for package adopting paint dipping mode |
| CN107604298A (en) * | 2017-08-30 | 2018-01-19 | 湖州德耀金属制品有限公司 | A kind of metal belt hot immersion plating processing unit (plant) |
-
1992
- 1992-04-25 CN CN 92103174 patent/CN1027624C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622854A (en) * | 2016-12-23 | 2017-05-10 | 鞍山发蓝股份公司 | Paint scraping device for producing painted strip steel for package adopting paint dipping mode |
| CN107604298A (en) * | 2017-08-30 | 2018-01-19 | 湖州德耀金属制品有限公司 | A kind of metal belt hot immersion plating processing unit (plant) |
| CN107604298B (en) * | 2017-08-30 | 2019-08-27 | 唐山瑞丰钢铁（集团）有限公司 | A kind of metal belt hot immersion plating processing unit (plant) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1027624C (en) | 1995-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CI01 | Correction of invention patent gazette |
Correction item: Inventor Correct: Liu Yazhou|Li Zhiping|Huang Gensheng False: Liu Yazhou Number: 7 Page: 19 Volume: 9 |
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| CI02 | Correction of invention patent application |
Correction item: Inventor Correct: Liu Yazhou|Li Zhiping|Huang Gensheng False: Liu Yazhou Page: The title page |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU YAZHOU TO: LIU YAZHOU _LI ZHIPING_ _HUANG GENSHENG |
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| ERR | Gazette correction |
Free format text: CORRECT: INVENTOR; FROM: LIU YAZHOU TO: LIU YAZHOU LI ZHIPING HUANG GENSHENG |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |