CN102416447A - Method and system for separating manganese-silicon casting iron scraps - Google Patents
Method and system for separating manganese-silicon casting iron scraps Download PDFInfo
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- CN102416447A CN102416447A CN2011104039295A CN201110403929A CN102416447A CN 102416447 A CN102416447 A CN 102416447A CN 2011104039295 A CN2011104039295 A CN 2011104039295A CN 201110403929 A CN201110403929 A CN 201110403929A CN 102416447 A CN102416447 A CN 102416447A
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Abstract
The invention discloses a method and system for separating manganese-silicon casting iron scraps. The method for separating manganese-silicon casting iron scraps comprises the following steps of: putting discharged molten iron into a steel ladle; performing forced air cooling on the surface of the molten iron in the steel ladle to form incrustation on the surface of the molten iron; forming an iron discharging hole on the incrustation to pour the molten iron in the steel ladle into a buffering filtering package; and pouring the molten iron in the buffering filtering package into an iron basin. Due to the adoption of the method for separating manganese-silicon casting iron scraps in the embodiment of the invention, the iron scrap separating effect is greatly improved, the yield is increased, and the sizing workload of operating personnel is lowered.
Description
Technical field
The present invention relates to manganeisen and make the field, in particular to a kind of improved manganese silicon cast slag iron separation method and piece-rate system.
Background technology
In existing manganese silicon pouring technology, concrete cast flow process is following:
Deslagging → skim → coarse filtration.
In addition, in existing manganese silicon pouring technology, take the nature cooling, pour into a mould the method for filtering together, slag iron separating effect is not ideal.Particularly, there is following problem.
At first, in the process of coming out of the stove, because the difference of slag and molten iron proportion, molten iron sinks to the bottom, and slag floats on the molten iron surface.Under the prerequisite of cooling naturally, after deslagging, the operation of skimming, the molten iron surface still can residual a part of slag; Pour into a mould this moment; Major part floats on the slag on molten iron surface because less with the molten iron temperature difference, and meeting flows into buffering transition bag with molten iron, thereby makes slag iron separation difficulty; Nearly 1.5 tons of foundry return amounts in every stove buffering transition bag, the nearly 200 kilograms of products that wherein are mingled with return stove repeatedly and smelt.
Secondly, only through a coarse filtration, so wherein most slag can not flow in the iron basin with molten iron because of being filtered still slag with molten iron.After the cooling; Slag iron separation difficulty, finishing every day foundry return are up to 5 tons, and dresser need spend 20 minutes these foundry returns of finishing every day; The class of coming out of the stove, lid fire class need spend one hour and return stove to these foundry returns collections every day, and the nearly 500 kilograms of products that wherein are mingled with return stove repeatedly and smelt.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
For this reason, one object of the present invention is to propose a kind of manganese silicon cast slag iron separation method, and said separation method can improve the separating effect of slag iron, improves the output of iron and reduces the finishing work amount.
Another object of the present invention is to propose a kind of manganese silicon cast slag iron piece-rate system, and it is simple that slag iron is separated.
Manganese silicon cast slag iron separation method according to first aspect present invention embodiment may further comprise the steps: the molten iron of coming out of the stove is poured in the ladle; Air blast cooling is carried out on molten iron surface in the said ladle, to form crust on said molten iron surface; Said crust is formed the hole of tapping a blast furnace, the molten iron in the said ladle is poured in the buffering bag filter; And will pour in the iron basin at the molten iron in the said buffering bag filter.
Manganese silicon cast slag iron separation method according to the embodiment of the invention through air blast cooling is carried out on the molten iron surface in the ladle, lets the slag cooling on molten iron surface crust; Thereby slag is separated with molten iron; Prevent that effectively slag from molten iron inflow buffering bag filter, having reduced the foundry return amount in the buffering bag filter greatly, simultaneously owing to molten iron is poured in the iron basin through the buffering bag filter; Further the slag in the molten iron is filtered; Thereby improved the separating effect of slag iron greatly, improved the output of iron, reduced operating personnel's finishing work amount.
In addition, manganese silicon cast slag iron separation method according to the present invention also has following additional technical feature:
According to one embodiment of present invention, in said air blast cooling step, said air blast cooling is carried out through the air blast that is arranged on predetermined altitude on the said ladle.
Alternatively, the air blast angle of said air blast is 35 degree-55 degree angles with respect to the upper surface of said ladle, thereby makes the cooling on molten iron surface even, and cooling effect is best.
Further, the surface temperature that the blast velocity of said air blast is controlled to said molten iron was reduced to 400 degree within 20 minutes, thereby had reduced the volatilization of useful metal in the molten iron.
According to one embodiment of present invention, said buffering bag filter comprises: the buffering bag filter main body of open upper end, and said buffering bag filter body interior limits the space that holds molten iron; Go out embolum; Saidly go out on edge and the upper surface that embolum is arranged on said buffering bag filter to be formed with groove; Said space in said groove and the said buffering bag filter main body communicates, and goes out embolum and is provided with the first filtration dam near said in the open top of wherein said buffering bag filter main body, and saidly go out embolum and be provided with the second filtration dam; The bearing of trend on said first filtration dam and the said second filtration dam goes out the direction setting that embolum is poured out perpendicular to molten iron from said; Reduced with molten iron flowing into the slag amount in the iron basin, reduced foundry return, further improved output.
Further, the said first filtration dam is 50-100mm along molten iron from the said height that goes out the direction that embolum pours out, and the said second filtration dam is 10-20mm along the height of vertical direction, makes that the filter effect of slag is best.
According to one embodiment of present invention, manganese silicon cast slag iron separation method further comprises: after the molten iron cooling in being contained in the iron basin, said iron basin is turned over iron; And formed iron block carried out finishing, improve the quality of iron block.
According to one embodiment of present invention; In that being carried out, the molten iron surface in the said ladle also comprises before the air blast cooling: to the surface of the molten iron in the said ladle step of skimming; Removing the thick slag on molten iron surface, thereby be convenient to follow-up molten iron is carried out air blast cooling and crusts.
Manganese silicon cast slag iron piece-rate system according to the embodiment of second aspect present invention comprises: ladle, and said ladle can transmit along first transporting rail; The air outlet that air-cooled unit, said air-cooled unit are positioned at precalculated position on the said ladle and said air-cooled unit becomes to be obliquely installed with respect to the opening of said ladle; The buffering bag filter; Said buffering bag filter can transmit along second transporting rail that is parallel to said first transporting rail; And comprise: the buffering bag filter main body of open upper end; Said buffering bag filter body interior limits the space that holds molten iron, goes out embolum, saidly goes out on edge and the upper surface that embolum is arranged on said buffering bag filter main body to be formed with groove; Said groove communicates with the interior said space of said buffering bag filter main body; Go out embolum and be provided with the first filtration dam near said in the open top of wherein said buffering bag filter main body, and saidly go out embolum and be provided with the second filtration dam, the bearing of trend on said first filtration dam and the said second filtration dam goes out the direction setting that embolum is poured out perpendicular to molten iron from said; And a plurality of iron basins, said a plurality of iron basins are along the direction that is parallel to said first transporting rail and put.
Manganese silicon cast slag iron piece-rate system according to the embodiment of the invention is provided with air-cooled unit through the precalculated position on ladle, makes the slag cooling crust on molten iron surface; Separate with molten iron; Thereby prevent that effectively slag from flowing in the buffering bag filter with molten iron,, molten iron is postponed flow into and passed through twice filtration in the iron basin towards bag filter again owing in the buffering bag filter, be provided with the first filtration dam and the second filtration dam; Reduced with molten iron and flowed into the slag amount in the iron basin; Effectively separate the slag in the molten iron, improved the output of iron, reduced the finishing work amount.
According to one embodiment of present invention; The air outlet of said air-cooled unit is 35 degree-55 degree angles with respect to the upper surface of said ladle; And the said first filtration dam is 50-100mm along molten iron from the said height that goes out the direction that embolum pours out; And the said second filtration dam is 10-20mm along the height of vertical direction, makes the little slag of particle through being filtered by the second filtration dam behind the first filtration dam, makes that the filter effect of slag is best.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the flow chart according to the manganese silicon cast slag iron separation method of first aspect present invention embodiment;
Fig. 2 is the sketch map according to the manganese silicon cast slag iron piece-rate system of second aspect present invention embodiment; With
Fig. 3 is the sketch map that manganese silicon shown in Figure 2 is poured into a mould buffering bag filter in the slag iron piece-rate system.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; Term " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " top ", " end " " interior ", " outward " or position relation be for based on orientation shown in the drawings or position relation; Only be to describe with simplifying for the ease of describing the present invention; Rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
The following description according to a kind of manganese silicon of first aspect present invention embodiment with reference to figure 1-Fig. 3 poured into a mould slag iron separation method, and this separation method can improve the separating effect of slag iron, improves the output of iron and reduces the finishing work amount.
According to the manganese silicon cast slag iron separation method of the embodiment of the invention, as depicted in figs. 1 and 2, may further comprise the steps:
(1) molten iron of coming out of the stove is poured in the ladle 1.
(2) air blast cooling is carried out on the molten iron surface in the ladle 1, to form crust on the molten iron surface, this crust and molten iron layering.
(3) crust is formed the hole of tapping a blast furnace; The molten iron in the ladle 1 is poured in the buffering bag filter 3; The hole of for example tapping a blast furnace is on crust, to knock a part open and form, and the molten iron in the ladle 1 flows out from the hole of tapping a blast furnace, and enters into buffering bag filter 3; At this moment, crust can stop the bulky grain slag particle in the ladle 1 to flow out with molten iron.
(4) will pour in the iron basin 4 to carry out secondary filter at the molten iron in the buffering bag filter 3.
Manganese silicon cast slag iron separation method according to the embodiment of the invention through air blast cooling is carried out on the molten iron surface in the ladle 1, lets the slag cooling on molten iron surface crust; Thereby slag is separated with molten iron; Prevent that effectively slag from molten iron inflow buffering bag filter 3, having reduced the foundry return amount in the buffering bag filter 3 greatly, simultaneously owing to molten iron is poured in the iron basin 4 through buffering bag filter 3; Further the slag in the molten iron is filtered; Thereby improved the separating effect of slag iron greatly, improved the output of iron, reduced operating personnel's finishing work amount.
According to one embodiment of present invention, as shown in Figure 2, in the air blast cooling step, the air-cooled unit of predetermined altitude for example carries out for air blast 2 on the ladle 1 through being arranged in air blast cooling.Alternatively, the air blast angle of air blast 2 is 35 degree-55 degree with respect to the upper surface of ladle 1, thereby makes the cooling on molten iron surface even, and cooling effect is best.
Further, the blast velocity of air blast 2 was controlled so as to and can the surface temperature of molten iron be reduced to 400 degree within 20 minute, thereby had reduced the volatilization of useful metal in the molten iron.
In one embodiment of the invention, as shown in Figures 2 and 3, buffering bag filter 3 comprises: the buffering bag filter main body of open upper end 30 with go out embolum 31.Buffering bag filter main body 30 inside limit the space that holds molten iron; Go out on edge and the upper surface that embolum 31 is arranged on buffering bag filter main body 30 to be formed with groove 311, this groove 311 is communicated with main body 30 volume inside so that molten iron groove 311 outflows through going out embolum 31 in the space.Be provided with the first filtration dam 32 and flow out from ladle 1 with molten iron near going out embolum 31 in the open top of buffering bag filter main body 30 to stop the bulky grain slag particle; And go out embolum 31 and be provided with the second filtration dam 33 to filter the granule slag particle of postponing and flowing out in the bag filter main body 30, the direction setting that the bearing of trend on the first filtration dam 32 and the second filtration dam 33 is poured out from going out embolum 31 perpendicular to molten iron with molten iron.
As shown in Figure 3; Because the granular size of bulky grain slag particle is approximately all greater than 100mm; Therefore in examples more of the present invention; The height h1 of the first filtration dam 32 along molten iron from the direction that goes out embolum 31 and pour out is 50-100mm, thus when molten iron is poured out, and can be because the bulky grain slag particle is lived by the first filtration dam, 32 backstops along with molten iron flows.Further; Because the size of granule slag particle is 20mm-50mm; Therefore it is 10-20mm along the height h2 of vertical direction that the second filtration dam 33 is set, and makes the granule slag particle lived to accomplish second road to filter by the second filtration dam, 33 backstops, thereby makes and improved the filter effect to molten iron greatly.Through going out the second filtration dam 33 is set on the embolum 31, the slag that the first filtration dam 32 has not been filtered carries out the second time and filters, and has reduced with molten iron flowing into the slag amount in the iron basin 4, has reduced foundry return, has further improved output.
According to one embodiment of present invention, manganese silicon cast slag iron separation method further comprises: after the molten iron cooling in being contained in iron basin 4, iron basin 4 is turned over iron, and formed iron block is carried out finishing, improve the quality of iron block.
According to one embodiment of present invention, the molten iron surface in the ladle 1 is being carried out also comprise before the air blast cooling, removing the surperficial thick slag of molten iron, thereby be convenient to follow-up molten iron to the surface of the molten iron ladle 1 in the step of skimming
Referring to figs. 2 and 3 the manganese silicon cast slag iron piece-rate system of describing according to second aspect present invention embodiment, it is simple that slag iron is separated below.
According to a kind of manganese silicon cast slag iron piece-rate system of the embodiment of the invention, as shown in Figure 2, comprising: ladle 1, air-cooled unit 2, buffering bag filter 3 and a plurality of iron basin 4, wherein, ladle 1 can transmit along first transporting rail 100.Air-cooled unit 2 is positioned at precalculated position on the ladle 1, and the air outlet of air-cooled unit 2 becomes to be obliquely installed with the slag to the surface of the molten iron in the ladle 1 with respect to the opening of ladle 1 and carries out air blast cooling, makes slag cooling crust and separates with molten iron.Buffering bag filter 3 is movable along second transporting rail 200 that is parallel to first transporting rail 100.Buffering bag filter 3 comprises: the buffering bag filter main body of open upper end 30 with go out embolum 31; Wherein, Buffering bag filter main body 30 inside limit the space that holds molten iron; Go out on edge and the upper surface that embolum 31 is arranged on buffering bag filter main body 30 to be formed with groove 311 spatial communication in groove 311 and the buffering bag filter main body 30.The open-topped of buffering bag filter main body 30 is provided with the first filtration dam 32 near going out embolum 31 places; And go out the direction setting that bearing of trend that embolum 31 is provided with 33, the first filtration dams 32, the second filtration dam and the second filtration dam 33 is poured out from going out embolum 31 perpendicular to molten iron.A plurality of iron basins 4 are along the direction that is parallel to first transporting rail 100 and put, and movable with respect to buffering bag filter 3.In an example of the present invention, a plurality of iron basins 4 are arranged on the conveyer belt 300 parallel with first transporting rail 100, and are as shown in Figure 2; Manganese silicon cast slag iron piece-rate system further comprises first transporting equipment 110, and alternatively, first transporting equipment 110 is a dolly; Wherein first transporting equipment 110 is movable along first transporting rail 100; And ladle 1 is located on first transporting equipment 110, makes that ladle 1 transmission is convenient, reduces operating personnel's workload.
In examples more of the present invention, as shown in Figure 2, manganese silicon cast slag iron piece-rate system further comprises second transporting equipment 210; Alternatively; Second transmission equipment 210 is a dolly, and wherein second transporting equipment 210 is movable along second transporting rail 200, and buffering bag filter 3 is located on second transporting equipment 210; Make that 3 transmission of buffering bag filter are convenient, reduce operating personnel's workload.
Manganese silicon cast slag iron piece-rate system according to the embodiment of the invention is provided with air-cooled unit 2 through the precalculated position on ladle 1, makes the slag cooling crust on molten iron surface; Separate with molten iron; Thereby prevent that effectively slag from flowing in the buffering bag filter 3 with molten iron,, molten iron is postponed flow into and passed through twice filtration in the iron basin 4 towards bag filter 3 again owing in buffering bag filter 3, be provided with the first filtration dam 32 and the second filtration dam 33; Reduced with molten iron and flowed into the slag amount in the iron basin 4; Effectively separate the slag in the molten iron, improved the output of iron, reduced the finishing work amount.
According to one embodiment of present invention; The air outlet of air-cooled unit 2 is 35 degree-55 degree angles with respect to the upper surface of ladle 1; And the height of the first filtration dam 32 along molten iron from the direction that goes out embolum 31 and pour out is 50-100mm, is 50-100mm for vertically height h1 then as shown in Figure 3.The second filtration dam 33 is 10-20mm along the height h2 of vertical direction, makes the little slag of particle carried out secondary filter through 32 backs, the first filtration dam by the second filtration dam 33, makes that the filter effect of slag is best.
Because manganese silicon cast slag iron separation method according to the present invention has increased the air blast cooling step, and has increased air-cooled unit 2 in the manganese silicon cast slag iron piece-rate system, makes the slag cooling crust on molten iron surface; With the molten iron layering, prevented that effectively slag from flowing into buffering bag filter 3 with molten iron, thereby the foundry return amount in every stove buffering bag filter 3 that makes is reduced to 1 ton; The product that returns the stove smelting repeatedly that wherein is mingled with is reduced to 150kg; Reduce 0.5 ton of foundry return than the every stove of traditional separation method, be mingled with product and reduce 50kg, calculate by producing six stove products every day; Can reduce 3 tons of foundry return amounts every day, increase output 300kg.
Manganese silicon cast slag iron separation method and piece-rate system according to the embodiment of the invention are provided with twice in the buffering bag filter 3 and filter the dam, and molten iron is after the twice of buffering bag filter 3 are filtered; Molten iron smooth surface, the assorted quantity of slag seldom, the time of dresser finishing every day foundry return was reduced to 10 minutes by 20 minutes; The class of coming out of the stove, lid fire class collect the time that foundry return returns stove every day and were reduced to 30 minutes by one hour; Finishing every day foundry return reduces to 1.5 tons, and the product that stove smelts that returns repeatedly that wherein is mingled with is reduced to 300kg, reduces 3.5 tons of foundry return amounts every day than traditional slag iron separation method; Be mingled with product and reduce 200kg; Effectively reduce operating personnel's working time, improved operating efficiency, increased output.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (10)
1. a manganese silicon cast slag iron separation method is characterized in that, may further comprise the steps:
The molten iron of coming out of the stove is poured in the ladle;
Air blast cooling is carried out on molten iron surface in the said ladle, to form crust on said molten iron surface;
Said crust is formed the hole of tapping a blast furnace, the molten iron in the said ladle is poured in the buffering bag filter; And
To pour in the iron basin at the molten iron in the said buffering bag filter.
2. manganese silicon cast slag iron separation method according to claim 1 is characterized in that in said air blast cooling step, said air blast cooling is carried out through the air blast that is arranged on predetermined altitude on the said ladle.
3. manganese silicon cast slag iron separation method according to claim 2 is characterized in that the air blast angle of said air blast is 35 degree-55 degree angles with respect to the upper surface of said ladle.
4. manganese silicon cast slag iron separation method according to claim 3 is characterized in that the surface temperature that the blast velocity of said air blast is controlled to said molten iron was reduced to 400 degree within 20 minutes.
5. manganese silicon cast slag iron separation method according to claim 1 is characterized in that said buffering bag filter comprises:
The buffering bag filter main body of open upper end, said buffering bag filter body interior limits the space that holds molten iron;
Go out embolum, saidly go out on edge and the upper surface that embolum is arranged on said buffering bag filter to be formed with groove, said groove communicates with said space in the said buffering bag filter main body, wherein
Go out embolum and be provided with the first filtration dam near said in the open top of said buffering bag filter main body; And saidly go out embolum and be provided with the second filtration dam, the bearing of trend on said first filtration dam and the said second filtration dam goes out the direction setting that embolum is poured out perpendicular to molten iron from said.
6. manganese silicon according to claim 5 cast slag iron separation method is characterized in that, the said first filtration dam is 50-100mm along molten iron from the said height that goes out the direction that embolum pours out, and the said second filtration dam is 10-20mm along the height of vertical direction.
7. manganese silicon cast slag iron separation method according to claim 1 is characterized in that, further comprises:
After the molten iron cooling in being contained in the iron basin, said iron basin is turned over iron; And
Formed iron block is carried out finishing.
8. manganese silicon cast slag iron separation method according to claim 1 is characterized in that, before the molten iron surface in the said ladle being carried out air blast cooling, also comprises:
To the surface of the molten iron in the said ladle step of skimming, to remove the thick slag on molten iron surface.
9. a manganese silicon cast slag iron piece-rate system is characterized in that, comprising:
Ladle, said ladle can transmit along first transporting rail;
The air outlet that air-cooled unit, said air-cooled unit are positioned at precalculated position on the said ladle and said air-cooled unit becomes to be obliquely installed with respect to the opening of said ladle;
The buffering bag filter, said buffering bag filter can transmit along second transporting rail that is parallel to said first transporting rail, and comprises:
The buffering bag filter main body of open upper end, said buffering bag filter body interior limits the space that holds molten iron,
Go out embolum, saidly go out on edge and the upper surface that embolum is arranged on said buffering bag filter main body to be formed with groove, said groove communicates with said space in the said buffering bag filter main body, wherein
Go out embolum and be provided with the first filtration dam near said in the open top of said buffering bag filter main body; And saidly go out embolum and be provided with the second filtration dam, the bearing of trend on said first filtration dam and the said second filtration dam goes out the direction setting that embolum is poured out perpendicular to molten iron from said; And
A plurality of iron basins, said a plurality of iron basins are along the direction that is parallel to said first transporting rail and put.
10. manganese silicon cast slag iron piece-rate system according to claim 9; It is characterized in that; The air outlet of said air-cooled unit is 35 degree-55 degree angles with respect to the upper surface of said ladle; And the said first filtration dam is 50-100mm along molten iron from the said height that goes out the direction that embolum pours out, and the said second filtration dam is 10-20mm along the height of vertical direction.
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| CN 201110403929 CN102416447B (en) | 2011-12-07 | 2011-12-07 | Method and system for separating manganese-silicon casting iron scraps |
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| CN 201110403929 CN102416447B (en) | 2011-12-07 | 2011-12-07 | Method and system for separating manganese-silicon casting iron scraps |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717060A (en) * | 2012-07-13 | 2012-10-10 | 黄石新兴管业有限公司 | Pig-casting machine skimming casting process method |
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| JPH06126387A (en) * | 1992-10-22 | 1994-05-10 | Kobe Steel Ltd | Method for casting pig iron having little remained molten iron in molten iron receiving runner |
| JP2002028773A (en) * | 2000-07-14 | 2002-01-29 | Nkk Corp | Method and device for removing slag in molten metal vessel |
| CN2928862Y (en) * | 2006-10-20 | 2007-08-01 | 佘成明 | Slag skimmer |
| CN201669415U (en) * | 2010-05-26 | 2010-12-15 | 河南金阳铝业有限公司 | Molten aluminum ladle |
| CN201960120U (en) * | 2010-12-22 | 2011-09-07 | 中钢集团邢台机械轧辊有限公司 | Casting ladle with slag trap device |
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2011
- 2011-12-07 CN CN 201110403929 patent/CN102416447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06126387A (en) * | 1992-10-22 | 1994-05-10 | Kobe Steel Ltd | Method for casting pig iron having little remained molten iron in molten iron receiving runner |
| JP2002028773A (en) * | 2000-07-14 | 2002-01-29 | Nkk Corp | Method and device for removing slag in molten metal vessel |
| CN2928862Y (en) * | 2006-10-20 | 2007-08-01 | 佘成明 | Slag skimmer |
| CN201669415U (en) * | 2010-05-26 | 2010-12-15 | 河南金阳铝业有限公司 | Molten aluminum ladle |
| CN201960120U (en) * | 2010-12-22 | 2011-09-07 | 中钢集团邢台机械轧辊有限公司 | Casting ladle with slag trap device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102717060A (en) * | 2012-07-13 | 2012-10-10 | 黄石新兴管业有限公司 | Pig-casting machine skimming casting process method |
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| CN102416447B (en) | 2013-09-04 |
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