CN1470838A - Apparatus and method for removing bottom slag of metal tank for smelting pot - Google Patents
Apparatus and method for removing bottom slag of metal tank for smelting pot Download PDFInfo
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- CN1470838A CN1470838A CNA031487084A CN03148708A CN1470838A CN 1470838 A CN1470838 A CN 1470838A CN A031487084 A CNA031487084 A CN A031487084A CN 03148708 A CN03148708 A CN 03148708A CN 1470838 A CN1470838 A CN 1470838A
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- suction pipe
- pipeline section
- slag
- metal bath
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- 239000002893 slag Substances 0.000 title claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000003723 Smelting Methods 0.000 title 1
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 238000005275 alloying Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910007570 Zn-Al Inorganic materials 0.000 claims description 3
- 238000006424 Flood reaction Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 230000002687 intercalation Effects 0.000 claims description 2
- 238000009830 intercalation Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 238000007654 immersion Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000010412 perfusion Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 description 13
- 239000003792 electrolyte Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229910000635 Spelter Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- C23C2/0034—Details related to elements immersed in bath
-
- 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
- C23C2/325—Processes or devices for cleaning the bath
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention provides a device and method for removing slag of a metal melt from the base of a melting crucible, especially of an immersion crucible. The device (1) comprises a sucker (2) and an air-supply duct (6). The sucker (2) has a vertical part (3) with an equivalent length to the depth of the metal melt. The vertical part (3) forms an inlet hole in the lower end (3a) and the horizontal part (5) of the sucker has an outlet hole. The air-supply duct (6) and the sucker (2) are connected in the lower ending area (3a) to introduce delivery air into the sucker (2). When removing slag (11) of the metal melt, the device (1) is declined to the bottom (9a) of the immersion crucible (9) to make perfusion of the molten metal inside kept vertically. Then the delivery air is introduced into the sucker (2), which forms a pumping action and pumps the slag (11) upwards and off the surface of the horizontal part (5) of the sucker (2). The slag (11) is changed into scum (14) by the means of chemical reactions or alloying on the surface of the metal melt, and the scum (14) is removed off the immersion crucible (9).
Description
Technical field
The present invention relates to a kind of device that is used for especially flooding the bottom removing end slag of crucible, and relate to the method for from the metal bath of melting kettle, removing end slag from melting kettle.
Background technology
In metal bath, can form slag in the process of the sheet material of the refining continuous strip shape of hot-dip, form above scum silica frost, suspension slag or end slag occurs this slag by its density with respect to molten metal is different, under the situation that end slag occurs, end slag deposits also forms the slag blanket that covers crucible bottom fully in the bottom of immersion plating crucible.Dipping or move single part to be made with extra care and molten metal is stirred during continuously by metal band to be made with extra care.Its result makes single end slag particle shift out from slag blanket, and contacts or contact with above-mentioned metal band with piece surface to be made with extra care, and this will significantly reduce quality of item, especially impairs the outward appearance of purifying metal band.
Openly a kind of excessively pump suction device that is used for removing the end slag of metal bath (being the molten bath of zinc specifically) of European patent EP 0907759 B1 from the dipping crucible, this device has a pump motor that has rotating shaft, above-mentioned rotating shaft is vertically stretched in the molten bath and is arrived at crucible bottom, connect a impeller in the bottom of rotating shaft as pump, this impeller is packed in the housing, this housing has an inlet hole and a tap, and this tap is connected with the pipe that weld pool surface is stretched out on vertically disposed its top.In the course of the work, above-mentioned impeller is drawn into end slag in the above-mentioned housing, by above-mentioned pipe and slagging channel slag of the above-mentioned end is discharged to outside the melting kettle then.
Though inhaling device, above-mentioned pump can remove end slag effectively,, it also has shortcoming, and the structure that is exactly it is complicated, and needs the machine part of motion.Therefore, this pump is inhaled device and is out of order owing to for example impeller housing is blocked easily, and because its complex structure also makes its manufacturing cost height.
Japan Patent JP 07268576 A (Japanese patent abstract) disclosed a kind of method and apparatus that separates slag in electroplating pool.In this device, have one movably centrifuge immerse and to contain in the electrolyte of slag impurity, make to be full of above-mentioned electrolyte in the centrifuge.In centrifuge when work,, because density separately is different and separated from one another, and wherein Chong end slag aggregation is at the outside area of the annular cavity of centrifuge, and light last scum silica frost is enriched in inner area, and the electrolyte that does not have a slag is enriched in the mesozone to slag with electrolyte.Then, by the tap on the centrifuge the above-mentioned electrolyte pump that has cleaned is sent outside the centrifuge.
Said method is if can't implement when not having complicated mechanical devices.And this device is not suitable for the end slag of eliminating from the bottom of crucible the metal bath, does not separate the end slag in the molten bath and the advantage of last scum silica frost because it does not possess the space that has occurred, and requires slag to mix mutually with electrolyte in other words with the molten bath.
Summary of the invention
So, the objective of the invention is to set up a kind of device that is used for especially flooding the bottom removing end slag of crucible from melting kettle, this device is the end slag of fault-free ground from crucible bottom removing metal bath as far as possible successfully, and its structure is wanted simple, low cost of manufacture.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of being used for from melting kettle, especially the device of the end slag in the metal bath is removed in the bottom of flooding crucible, it is characterized in that, this device has a suction pipe and a steam line, above-mentioned suction pipe has the vertical pipeline section that a length is equivalent to the degree of depth of metal bath at least, the lower end of this pipeline section forms an inlet hole, suction pipe also has the horizontal pipeline section that forms tap, above-mentioned steam line is connected with the following petiolarea of suction pipe, is used for transmission gas is introduced in the suction pipe.
The function of said apparatus is as follows: after above-mentioned suction pipe insertion was included the dipping crucible of metal bath, above-mentioned suction pipe also was full of the liquid metal from metal bath.When the gas that transports is introduced the following petiolarea of suction pipe, just produce towards the continuous flow of weld pool surface direction, this continuous flow produces suction in suction pipe, this suction makes the upwards suction of suction pipe molten metal that contains and the end slag that is deposited on crucible bottom, and is discharged on the weld pool surface by the horizontal pipeline section of suction pipe.
The special benefit of said apparatus is the very simple thereby low cost of manufacture of its structure, and, can under the situation of machine parts that does not have motion, work down always, this just can be safely and reliably and operation successfully and not wearing and tearing.
Confirmed already, if it is favourable in the lower end of vertical pipeline section a kind of distance element being installed, it can guarantee that the inlet hole that is formed by the suction pipe end keeps opening-wide state, and specifically, inlet hole can be owing to suction is attached to the fault that the interruption operation process takes place crucible bottom.Another advantage is, the structure that has a ring-type leg owing to above-mentioned distance element improves the stability of suction pipe.
The tap that has towards weld pool surface owing to the horizontal pipeline section of suction pipe makes end slag directly be discharged on the weld pool surface from this tap, so can prevent splashing in a jumble of the end slag that upwards transmitted by continuous flow effectively.
Valve has been installed in steam line, thus can only suction pipe has been fixed the position that is suitable for work in the dipping crucible after, just will transmit easily gas for the introducing suction pipe in, and can regulate air-flow easily and control suction in the suction pipe.
It is rather suitable supporting steam line as if the vertical pipeline section by suction pipe, like this, can make the structure of suction pipe become compact especially.
If suction pipe is provided with another pipeline section that flushes with vertical pipeline section and be connected with it that is used to connect supporting mechanism above its vertical pipeline section, so, the manipulation meeting of apparatus of the present invention is more convenient.Like this, all sites of supporting mechanism all can be placed in the top of weld pool surface, and does not need to contact with the molten bath.In a embodiment to this device enforcement mobile operation, be provided with a kind of supporting mechanism, this mechanism has two cube intercalation box bodys that separate each other, and is used to accept the jaw of fork lift truck.
In order to make suction pipe guide ideally in the crucible and locate at dipping, it is fixed in the above-mentioned supporting mechanism, make it and can in a plane, rotate at least.Like this, that cover or even the zone that be difficult to arrive by end slag that suction pipe just can arrive crucible bottom is the corner for example, and can make easier insertion of suction pipe and extraction.
Another object of the present invention is to propose a kind of method of removing end slag from the metal bath of melting kettle, according to the method and adopt the device recited above can be from only just removing end slag the melting kettle fast and up hill and dale by several steps.
According to the present invention, achieve the above object by following method step:
By suction pipe end slag is sent on the metal bath surface;
Make slag of above-mentioned end scum silica frost on being transformed on the metal bath surface by chemical reaction or the method by alloying; With
The above-mentioned last scum silica frost that produces is discharged to outside the melting kettle.
Said method also has the various advantages that recited above device had, and, it is that it comprises two separate steps of carrying out that the inventive method also has a very big advantage, promptly at first remove end slag from the melting kettle bottom, remove from weld pool surface subsequently and be transformed into the end slag of going up scum silica frost, like this, according to time sequencing, can mate well with refining step.Can be according to the quantity of slag that is produced, remove end slag from crucible bottom frequently or continuously, and do not need to interrupt subtractive process, so, not having a large amount of slags to accumulate, this just can be avoided owing to the slag whirling motion that makes progress is deposited on plate surface to be made with extra care.Can select transmission gas for use according to the composition of metal bath, except inert gas and nitrogen, also available simple compressed air, only this also helps reducing cost.
Said method is specially adapted in the molten spelter tank part be carried out refinement treatment.In the case, preferably end slag is transformed into and goes up scum silica frost by alloying with aluminium.According to this technology, the bar form that aluminium can for example be made with Zn-Al alloy adds, and also can imagine with form of powder to add aluminium, and accelerate alloying process.
Description of drawings
Below by the accompanying drawing that an embodiment is shown the present invention is described, in the accompanying drawing:
Fig. 1 is a kind of side view of device that is used for removing from the dipping crucible bottom end slag of metal bath;
Fig. 2 is the side view of device shown in Figure 1 with respect to the view half-twist of Fig. 1;
Fig. 3 is the top view of device shown in Figure 1;
Fig. 4 is the side view during device shown in Figure 1 uses according to method of the present invention; With
Fig. 5 is that device in the use of Fig. 4 is with respect to the side view of the view half-twist of Fig. 4.
The specific embodiment
Device 1 shown in Figure 1 has a suction pipe 2 that has vertical pipeline section 3, and above-mentioned vertical pipeline section 3 transfers a horizontal pipeline section 5 to by one section bending tube section 4, and the lower end 3a that its front end opens wide forms an inlet hole.The open end that prevents pipeline section 3 bottoms by a distance element 3c directly moves, above-mentioned distance element 3c comprise an annular leg 3a and several around the pipe end support member 3e of symmetric arrays.The front end 5a of above-mentioned horizontal pipeline section 5 seals, and a tap 5b is arranged at its bottom of approaching pipe end 5a.The vertical pipeline section 3 that steam line 6 is parallel to suction pipe 2 extends, and its openend 6a inserts the end region 3b of vertical pipeline section 3, so just can infeed gas to suction pipe 2.The upper end of the processing horizontal position of steam line 6 has a joint that has manifold valve 6b, and its part that is parallel to pipeline section 3 extensions then is connected with above-mentioned vertical pipeline section 3 securely by several bracer 6c.Another pipeline section 7 is connected (preferably welding) securely as the extension of vertical pipeline section 3 with the bending tube section 4 of suction pipe 2.
Adorning a rotating supporting mechanism 8 that is used for supporting suction pipe 2 on pipeline section 7, therefore, suction pipe 2 can be around axis 8a rotation (seeing the arrow 8x of Fig. 2), and above-mentioned axis 8a is positioned at the plane perpendicular to horizontal pipeline section 5.Adopt a kind of governor motion 8b (simply illustrating among the figure) of correspondence that suction pipe 2 is fixed on the special angle with respect to supporting mechanism 8.Supporting mechanism 8 has two indispensable spaced-apart cube box body 8c (see figure 3)s and is used for for example accepting outer jaw 12 (see figure 4)s of falling fork truck.
Figure 4 and 5 illustrate and are used for removing the end slag of molten spelter tank and making end slag be transformed into the operating position of the device 1 of going up scum silica frost subsequently from the dipping crucible bottom.
In the dipping crucible 9 the zinc liquation 10 that forms metal bath is housed, this liquation 10 is used for the refining sheet material that hot-dip is passed through as lath.In this process, can produce the end slag 11 on the bottom 9a that is deposited on dipping crucible 9, in order to remove slag of this end 11, by means of fork lift truck said apparatus 1 is reduced to the bottom 9a of dipping crucible 9, and remains on the upright position.In this process, zinc liquation 10 enters in the vertical pipeline section 3 of suction pipe 2.Then, open valve 6b, by steam line 6 nitrogen is introduced suction pipe 2, above-mentioned nitrogen rises in suction pipe 2, is expelled to outside the suction pipe 2 by tap 5b then.Its result just forms swabbing action in suction pipe 2, this swabbing action makes the end slag 11 of zinc liquation 10 in the suction pipe and the bottom 9a that floods crucible 9 along with nitrogen is upwards aspirated, zinc liquation 10 that draws up and end slag 11 are also discharged by tap 5b, and stream makes alloy bar 13 fusings on several Zn-Al alloy rods 13 that float on the zinc molten surface.In this process, slag of the above-mentioned end 11 is gone up scum silica frost 14 owing to being transformed into free aluminum generation alloying.Should go up scum silica frost 14 and not sink in the liquation 10, but float on the molten surface, then, remove scum silica frost 14 from dipping crucible 9 at next step (comprise skimming or pump or steps that other are implemented easily, not shown) because its density is less.In order to remove end slag 11 fully, suction pipe 2 reset in dipping crucible 9 gradually put.It is contemplated that the bottom 9a that makes dipping crucible 9 has a gradient and makes end slag 11 along moving continuously to the minimum point direction, this does not just need to make suction pipe 2 playbacks that have been positioned at the minimum point position to put yet.
Claims (17)
1. one kind is used for from melting kettle, especially the device of the end slag in the metal bath is removed in the bottom of flooding crucible, it is characterized in that, this device (1) has a suction pipe (2) and a steam line (6), above-mentioned suction pipe (2) has the vertical pipeline section (3) that a length is equivalent to the degree of depth of metal bath (10) at least, the lower end (3a) of this pipeline section (3) forms an inlet hole, suction pipe (2) also has the horizontal pipeline section (5) that forms tap, above-mentioned steam line (6) is connected with the following petiolarea (3b) of suction pipe (2), is used for transmission gas is introduced in the suction pipe (2).
2. according to the device of claim 1, it is characterized in that the end of the vertical pipeline section (3) of above-mentioned suction pipe (2) has a distance element (3c).
3. according to the device of claim 2, it is characterized in that above-mentioned distance element (3c) is done leg circlewise.
4. according to each device in the claim 1~3, it is characterized in that the horizontal pipeline section (5) of above-mentioned suction pipe (2) has a tap towards weld pool surface (5b).
5. according to each device in the claim 1~4, it is characterized in that above-mentioned steam line (6) has a valve (6b).
6. according to each device in the claim 1~5, it is characterized in that above-mentioned steam line (6) is supported by the vertical pipeline section (3) of suction pipe (2).
7. according to each device in the claim 1~6, it is characterized in that said apparatus (1) has one and is used for inserting and extracts suction pipe (2) out and make device keep stable supporting mechanism (8) in the course of the work.
8. according to the device of claim 7, it is characterized in that above-mentioned suction pipe (2) also has one and is connected with above-mentioned supporting mechanism (8) and is mounted to the pipeline section (7) that aligns with pipeline section (3) and be connected with it on vertical pipeline section (3).
9. device according to Claim 8 is characterized in that, above-mentioned supporting mechanism (8) has the cube intercalation box body (8c) of two jaws that are used to accept fork lift truck (12) that separate each other.
10. according to each device in the claim 1~9, it is characterized in that above-mentioned suction pipe (2) is bearing in the supporting mechanism (8), make it and at least one plane, to rotate.
11. one kind is used, and each described device especially floods the interior method of removing end slag of metal bath of crucible from melting kettle in the claim 1~10, it is characterized in that described method comprises following steps:
-by above-mentioned suction pipe (2) end slag (11) is sent on the surface of metal bath (10);
-above-mentioned end slag (11) is transformed into upward scum silica frost (14) by chemical reaction or alloying on the surface of metal bath (10); With
-the above-mentioned last scum silica frost (14) that produces is removed away from melting kettle (9).
12. the method according to claim 11 is characterized in that, uses air, nitrogen or a kind of inert gas as above-mentioned transmission gas.
13. the method according to claim 11 is characterized in that, above-mentioned metal bath (10) is the molten bath of zinc.
14. the method according to claim 13 is characterized in that, it is by carrying out with the alloying of aluminium that above-mentioned end slag (11) is transformed into the process that goes up scum silica frost (14).
15. the method according to claim 14 is characterized in that, above-mentioned aluminium is to add with the form of bar (13).
16. the method according to claim 15 is characterized in that, above-mentioned bar (13) is that Zn-Al alloy is made.
17. the method according to claim 14 is characterized in that, above-mentioned aluminium adds with form of powder.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10234010A DE10234010B4 (en) | 2002-07-26 | 2002-07-26 | Device and method for removing bottom slag from a molten metal in a crucible, in particular in the hot-dip coating of metal strips |
DE10234010.2 | 2002-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1470838A true CN1470838A (en) | 2004-01-28 |
Family
ID=29796572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA031487084A Pending CN1470838A (en) | 2002-07-26 | 2003-06-24 | Apparatus and method for removing bottom slag of metal tank for smelting pot |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1384795A1 (en) |
CN (1) | CN1470838A (en) |
DE (1) | DE10234010B4 (en) |
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CN102441665A (en) * | 2011-12-31 | 2012-05-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Slag absorption device and slag removal method using same |
CN103484892A (en) * | 2012-06-12 | 2014-01-01 | 贵阳铝镁设计研究院有限公司 | Ladle aluminum suction mouth for three-layer-liquid refined aluminum tank |
CN107447173A (en) * | 2016-05-30 | 2017-12-08 | 宝钢新日铁汽车板有限公司 | A kind of device for removing Zinc bath bottom slag |
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JP3277993B2 (en) * | 1998-03-26 | 2002-04-22 | 川崎製鉄株式会社 | Continuous molten metal plating equipment |
JP3993715B2 (en) * | 1999-03-25 | 2007-10-17 | 日新製鋼株式会社 | DROSS REMOVAL METHOD AND REMOVAL DEVICE |
JP4604349B2 (en) * | 2000-03-24 | 2011-01-05 | Jfeスチール株式会社 | Bottom dross recovery method in hot dip galvanizing |
-
2002
- 2002-07-26 DE DE10234010A patent/DE10234010B4/en not_active Expired - Lifetime
-
2003
- 2003-05-02 EP EP03009996A patent/EP1384795A1/en not_active Withdrawn
- 2003-06-24 CN CNA031487084A patent/CN1470838A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100422377C (en) * | 2005-02-28 | 2008-10-01 | 宝山钢铁股份有限公司 | Zinc bath bottom slag cleaning device |
CN102441665A (en) * | 2011-12-31 | 2012-05-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Slag absorption device and slag removal method using same |
CN103484892A (en) * | 2012-06-12 | 2014-01-01 | 贵阳铝镁设计研究院有限公司 | Ladle aluminum suction mouth for three-layer-liquid refined aluminum tank |
CN107447173A (en) * | 2016-05-30 | 2017-12-08 | 宝钢新日铁汽车板有限公司 | A kind of device for removing Zinc bath bottom slag |
CN107447173B (en) * | 2016-05-30 | 2019-09-27 | 宝钢新日铁汽车板有限公司 | A kind of device removing Zinc bath bottom slag |
Also Published As
Publication number | Publication date |
---|---|
EP1384795A1 (en) | 2004-01-28 |
DE10234010B4 (en) | 2004-07-22 |
DE10234010A1 (en) | 2004-02-12 |
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