CN103228382A - Floor casting nozzle for arrangement in the floor of a metallurgical container - Google Patents
Floor casting nozzle for arrangement in the floor of a metallurgical container Download PDFInfo
- Publication number
- CN103228382A CN103228382A CN2011800545900A CN201180054590A CN103228382A CN 103228382 A CN103228382 A CN 103228382A CN 2011800545900 A CN2011800545900 A CN 2011800545900A CN 201180054590 A CN201180054590 A CN 201180054590A CN 103228382 A CN103228382 A CN 103228382A
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- China
- Prior art keywords
- nozzle
- outpour
- housing
- outpours
- airtight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/58—Pouring-nozzles with gas injecting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Continuous Casting (AREA)
- Furnace Charging Or Discharging (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention relates to a floor casting nozzle for arrangement in or on the floor of a metallurgical container, having an upper end, preferably for connection to a metallurgical container or to a slide valve of a metallurgical container, and having a lower end, wherein a flow channel is arranged between the two ends, having at least one lower casting opening arranged on the lower end, wherein the wall of the flow channel pointing radially outward is enclosed by a gas-tight housing and wherein the housing encloses the lower end having the at least one casting opening in a gas-tight manner. The invention further relates to a method for operating a floor casting nozzle.
Description
Technical field
The present invention relates to a kind ofly be used for being arranged in the bottom of metallurgical tank or the bottom at place, bottom outpours nozzle (Bodenausgussd ü se), it has: be arranged to be preferably used for to be connected to the upper end that the slip lock portion (Schieberverschluss) of metallurgical tank place or metallurgical tank is located; And the bottom, wherein, between both ends, be furnished with at least one that have the bottom that is arranged in lower end and outpour the flow channel of opening, wherein, the wall that radially outwards points to of this flow channel is surrounded by airtight housing.In addition, the present invention relates to a kind of method that the bottom outpours nozzle that is used to operate.
Background technology
Especially when steel melted, liquid metal finally was poured into the mold from metallurgical tank.Such metallurgical tank can especially be teeming ladle (Gie pfanne) (also being called as ladle) or so-called distributor (also being called as tundish (Zwischenpfanne) or tundish (Tundish)).From teeming ladle, be poured into the metal of liquid state in the distributor and from this distributor, be poured in the mold of continuous casting installation for casting (Stranggussanlage).At this, the bottom that liquid metal flow is crossed in the bottom that is arranged in teeming ladle or distributor outpours nozzle (so-called nozzle).
The material adhesion of disadvantageously gathering during flowing through outpours the wall place of nozzle in the bottom.Therefore opening section is diminished, thereby influence mobility status unfriendly and therefore influence the quality (especially because turbulent flow) of steel unfriendly.The material that gathers is tear-away and cause the field trash of the quality that influences steel.
In order to stop material adhesion, often inert gas such as argon gas are incorporated in the flow channel at the wall place.Yet too big gas flow can influence the quality of steel equally unfriendly, and for example because form cavity in steel, it causes surface damage during by roll off at steel.
A kind of material that the bottom outpours nozzle that is used for has for example been described in document WO 2004/035249 A1.In document KR 2003-0017154 A or document US 2003/0116893 A1, disclose a kind of bottom and outpoured nozzle in metallurgical tank inside.In the publication of in the end mentioning, similar to the situation of in document JP 2187239, describing, be described with of the use of this purpose inert gas, promptly reduce material adhesion outpours nozzle in the bottom inwall place (so-called obstruction).Quite at length known a kind of mechanism that has gas supply regulating system from document WO 01/56725 A1.Come the supply of nitrogen according to Japan publication JP 8290250.Document JP 3193250 discloses a kind of being used for and has monitored the adhesion of material or the method for adhering to by means of outpour a plurality of temperature sensors that nozzle arranges continuously along the bottom.In addition, especially from document JP 2002210545, JP 61206559, JP 58061954 and JP 7290422 known with inert gas be incorporated into the bottom outpour in the inside of nozzle.
In addition, known in some from these publications, except supplying inert gas, also use housing to enter to stop oxygen as much as possible by a part that outpours nozzle around the bottom.At this sometimes, for example in document JP 8290250, produce the inert gas overvoltage in such enclosure interior.In order to stop entering of oxygen, the housing that outpours the guiding valve of nozzle around the bottom is disclosed in document JP 11170033.According to above-mentioned mentioned publication, control metal bath by guiding valve and flow through the bottom and outpour nozzle.This sliding part (Schieber) slides perpendicular to the flow direction of metal and therefore can close the bottom and outpours nozzle.The possibility of other of flow adjustment has so-called plunger rod (Stopfenstange) (also being called as stopper rod (Stopper Rod)), as for example from known the document JP 2002143994.
In Korea S publication KR 1020030054769 A, describe the valve that outpours nozzle around the bottom and arranged additional housing.Aspirate the gas that is arranged in housing by means of vavuum pump.Document JP 4270042 has been described similar housing.As in other mentioned in the above publication, this is in the atmosphere that enclosure interior can not produce oxidation.Housing has opening, but by this opening supplying inert gas.Known another kind of arrangement from document JP 61003653 in this arrangement, surrounds the housing that the bottom outpours nozzle intake-gas so that produce vacuum in enclosure interior from part.
For example known other bottom outpours nozzle from document DE 10 2,004 057381.Attempt adding or outpouring wall that the whole outer peripheral face of nozzle and related therewith prevention oxygen outpours nozzle by the bottom entering into steel melt and avoiding sticking problem by sealed bottom almost completely by means of controlled inert gas herein.
Summary of the invention
The objective of the invention is to continue to improve prior art, stick to the bottom and outpour in the nozzle of device so that under situation not, reduce attachment (Festsetzung) in simple and reliable mode in the quality of the metal of this infringement metal bath or curing.
This purpose solves by the feature of independent claims.Provided favourable design in the dependent claims.
Show surprisingly that (this bottom outpours nozzle and has: the upper end of being arranged to be preferably used for be connected to the guiding valve place of metallurgical tank or metallurgical tank to outpour nozzle at the bottom of the bottom that is used for being arranged in metallurgical tank; And bottom, wherein, between both ends, be furnished with and have the flow channel that outpours opening under at least one that is arranged in lower end, wherein, (fire-resistant) wall that radially outwards points to of flow channel is surrounded by airtight housing) realize good result in the following manner, promptly be not that only the bottom periphery that outpours nozzle is that the wall that radially outwards points to of flow channel is surrounded by airtight housing, and the bottom housing that outpours nozzle also surround airtightly and have the bottom that at least one outpours opening.At this, the absolute nothing of certain airtightly unintelligible one-tenth is leaked, and stops basically or the oxygen of the special atmosphere of termination gas and the infiltration of nitrogen but be understood as.
What can be expressly understood very much for the professional is that the bottom outpours nozzle, guiding valve (perhaps plunger rod-type latching member (Stopfenstangenverschluss)) and another upper nozzle (it is surrounded by housing and is arranged in above the guiding valve) and is connected airtightly each other in the bottom of metallurgical tank, and shows by this way and have the system of the arrangement of nozzles of sealing fully.
According to the present invention, a kind ofly be used for the method that operation bottom outpours nozzle (for example the described bottom according to the present invention of face outpours under the situation of nozzle in the use) and be characterised in that, the bottom outpours arrangement of nozzles at the guiding valve of metallurgical tank or plunger rod-type latching member place and outpour in the nozzle in the bottom before opening guiding valve or plunger rod-type latching member or produce vacuum or utilize and and then produce inert gas excessive (Inertgas ü berschuss) or overvoltage realizes inert gas scavenging (Inertgassp ü lung) and opens guiding valve then or plunger rod-type latching member.
Preferably can use argon gas as inert gas.By this way oxygen is outpoured from the bottom the nozzle and remove at least in part, promptly cause the not enough or very low oxygen partial pressure of oxygen.In the whole volume of airtight enclosure interior, there are overvoltage or vacuum (negative pressure).Therefore notion " outpours in the nozzle in the bottom " and is illustrated in housing or outer wall volume inside and comprises whole volume and the micropore that outpours the inside of passage.
Before steel melt enters, in flow channel, also there are negative pressure or overvoltage.After guiding valve or the unlatching of plunger rod-type latching member, flow into the bottom at steel melt and outpour nozzle or rather in its flow channel the time, if being at least one outpours the zone of opening, housing and steel melt contact, then housing fusing, thus steel melt can flow to and is arranged in following memory.After unlatching, perhaps can outpour nozzle in operation bottom under the condition of vacuum or under can condition at inert gas.
A kind of form that the bottom outpours nozzle is so-called immersion nozzle, is called as SEN or SES (English is expressed as Submerged Enty Nozzle or Submerged Entry Shroud)-submersed nozzle in professional domain.This immersion nozzle utilizes its bottom to be immersed in the steel melt that is arranged in following metallurgical tank, wherein, if the steel of housing and liquid state comes in contact, then housing fusing, thus realize flowing freely.
Advantageously housing can have the housing component that a plurality of preferred phase laying ups that are connected are airtightly each other put.Preferably, housing is formed by metal (as steel), thereby housing has enough resistivities, although and housing when contacting, melt with steel melt.So select the metal of housing according to application purpose, promptly it is melted by the metal in the container that receives melt.
Equally advantageously housing has the lower shell piece that is formed by steel, this lower shell piece is surrounded at least airtightly and is had at least one bottom that outpours opening and be furnished with the airtight housing component of the part of the integral body that is configured to wall above the lower shell piece at this, therefore outpouring opening is sealed by one type cover cap, and the bottom outpours the periphery (wall) on the cover cap of being positioned at of nozzle and has especially surface of the layer of constructing in airtight mode, and it can regard as housing component in meaning of the present invention.
Advantageously housing has the lower shell piece that is formed by steel, this lower shell piece is inserted into airtightly and has at least one bottom that outpours opening and be arranged in this above lower shell piece as the airtight housing component of the part of the integral body of wall, thereby outpouring opening is sealed by plunger, therefore the bottom outer peripheral edges that outpour nozzle comprise that plunger has especially surface of airtight layer, and outer peripheral edges comprise that plunger is considered and are housing component in meaning of the present invention.
In addition, the layer that is made of the material (as paper bag sealing known for the professional (Papierumh ü llung)) that plays buffer action can advantageously be installed with adhesion that stops slag or dregs (Absonderung) (it typically is present in the surface in the zone to be immersed of metal shell) and the fusing of quickening housing.
Suitable is to be furnished with gettering material (Gettermaterial) in enclosure interior, preferably by constituting from least a metal in following group: silicon, calcium, titanium, aluminium, magnesium or zirconium.Also can capture the oxygen freely that (gebunden) exists thus in housing.
The fire-resistant material of wall can have 2% to 13%, preferably less than 10% very little porosity.Such material (for example infiltration has the aluminium oxide-graphite material of carbon) can demonstrate the enough sealings in meaning of the present invention.The standard refractory material has and is higher than 16% porosity.
In addition, advantageously in the wall of flow channel, be furnished with heater (Heizung), so as can be before to use the preheating bottom outpour nozzle and avoid or alleviate temperature jump.
Preferably, the layer of isolated material (as paper) is arranged to outpour around the bottom outer surface of nozzle.In addition can be advantageously, the outer surface of wall is surrounded by the cement seal portion of playing insulating effect under airtight housing in upper end, wherein, preferably, heat-resisting pourable cement is contained in cement seal portion, preferably has at least a material in following group: aluminium oxide, alumina silicate, magnesia.In addition preferably, the outer peripheral edges of wall are surrounded by material that plays insulating effect especially ceramic paper (Keramikpapier) or the fabric (Fasergewebe) that is made of ceramic fibre under airtight housing in lower end.The material that plays insulating effect can directly be arranged under the cement seal portion.
Equally preferably, especially between airtight housing and wall, be furnished with gas passage under the airtight housing on the longitudinal direction of nozzle.
Be used for outpouring nozzle with the bottom and use and be particularly useful for outpouring being characterised in that according to guiding valve of the present invention (it comprises airtight shell body) that nozzle uses with the top bottom that limits, airtight housing comprises at least one gas access and at least one gas vent.This at least one gas access can be used to inert gas such as argon gas is pumped in the housing and this at least one gas vent can be used to produce vacuum in enclosure interior.
A kind of method like this is favourable, promptly in the method, and after opening guiding valve or plunger rod-type latching member, perhaps
If a) before opening, have negative pressure, then produce the inert gas overvoltage, perhaps
B) if before opening, have overvoltage, then produce negative pressure.
Especially advantageously negative pressure is especially 150mbar to 1013mbar of 1mbar to 1013mbar, and overvoltage is 1013mbar to 1500mbar or higher, that is to say that overvoltage is higher than atmospheric pressure.
Especially the bottom for teeming ladle outpours nozzle, can at first produce vacuum (negative pressure), and produces the inert gas overvoltage afterwards after unlatching.Bottom for distributor outpours device, advantageously at first produces the inert gas overvoltage and produce vacuum after opening.
Description of drawings
Exemplarily explain the present invention below with reference to the accompanying drawings.Therein:
Fig. 1 has shown that the bottom that is used for distributor outpours nozzle,
Fig. 2 has shown that another bottom that is used for distributor outpours nozzle,
Fig. 3 has shown that the bottom that is used for distributor outpours the third flexible program of nozzle,
Fig. 4 has shown that the bottom that is used for teeming ladle outpours nozzle,
Fig. 5 has shown that another bottom that is used for teeming ladle outpours nozzle,
Fig. 6 has shown that the bottom outpours the arrangement of nozzle at the distributor place, and
Fig. 7 has shown that the bottom outpours the arrangement of nozzle at the teeming ladle place.
The specific embodiment
Bottom shown in Figure 1 outpours nozzle and has the flow channel that outpours opening 21 that has a plurality of side direction.The wall 3 of flow channel 1 is formed by the mixture of aluminium oxide and graphite basically.Upper end at wall 3 is furnished with retaining collar (Befestigungsmanschette) 4 to be used to be arranged in the guiding valve place into the critical piece of whole sealing system.The outer peripheral edges of wall 3 are surrounded by the cement seal portion 5 of playing insulating effect in upper end, have been furnished with the material 6 of insulating effect under cement seal portion 5, for example ceramic paper or the fiber mat that is made of ceramic fibre.On the material 6 of a cement seal portion 5 and an insulating effect, be furnished with airtight housing 7.This housing surrounds whole bottom and outpours nozzle to up to retaining collar 4 and only comprise that an opening 8 is to be used to introduce inert gas (argon gas).Inert gas can be incorporated at airtight housing 7 and rise in the slit between the material 6 of insulating effect to be used for scavenging.Above outpouring opening 2, be furnished with the so-called slag band (Schlackeband) 9 that constitutes by the zircon China ink.Outpour opening 2 by housing 7 sealings.
Figure 2 illustrates similar bottom and outpour nozzle.This bottom outpours nozzle and has the cover cap 10 that for example is formed from steel in its lower end, and these cover cap 10 sealings outpour opening 2.At least on cover cap 10 at least the outer surface of wall 3 be airtight, therefore form airtight housing component.The material 10'(that has been furnished with buffer action in the outer surface of cover cap 10 is paper for example) layer.The layer 10' that plays buffer action also can cover the whole outer surface that the bottom outpours nozzle.
Fig. 3 has shown the arrangement similar to Fig. 1, wherein, is connected with opening 8 at the otch 27 of wall 3 inner annular.Therefore argon gas can be incorporated in the wall and the overvoltage of generation argon gas.
Build the bottom that is used for teeming ladle in principle in a similar manner and outpour nozzle (Fig. 4), however this bottom outpour that nozzle has the straight flow channel 1' that runs through and medially be arranged in lower end outpour opening 2'.Figure 5 illustrates similar arrangement, wherein, outpour that opening 2' is sealed by airtight plunger 28 and at least the outer surface of wall 3 be configured to airtight.Plunger 28 can melt, burnout or dissolve (aufl sen) by the metal bath that inflow is arranged in metallurgical tank and discharge and outpour opening 2'.Plunger 28 for example can be made of metal, as steel, stainless steel or copper.
Figure 6 illustrates conduct and outpour the arrangement of nozzle in the bottom of nozzle 11 down at distributor 12 places.Distributor 12 has the lining 13 of the multilayer of protection dispenser 14.Be furnished with top nozzle 15 in the bottom of distributor 12, embedding in the material of top nozzle 15 has electrode 16, and wherein, the outside 29 of top nozzle 15 is configured to airtight.Top nozzle 15 is surrounded to be used for protection by nozzle brick (Lochstein) 17 in upper end.Below the bottom of distributor 12, guiding valve 18 is arranged in the downside place of top nozzle 15, and guiding valve 18 is surrounded by airtight guiding valve housing 19, this guiding valve housing 19 thereon place, end and top nozzle 15 the outside 29 and be connected airtightly respectively with airtight housing 7 in its lower end.In guiding valve housing 19, be provided with inlet 20 that is used for inert gas and the interface 21 that is used for vavuum pump.
Fig. 7 has shown that the bottom outpours arrangement and layout thereunder the distributor 12 of nozzle at teeming ladle 22 places.Distributor comprises so-called baffle plate (Prallplatte) 24 in the portion within it except its outlet 23, baffle plate 24 mechanically makes the steel melt calmness, promptly should stop too big turbulent flow.Be furnished with bottom shown in Figure 4 at teeming ladle opening (guiding valve) 25 places and outpour nozzle.Be used for the inlet of inert gas and be used for the interface of vavuum pump not shown in order to simplify at Fig. 7.Be clear that for the professional cardinal principle arrangement in mechanical aspects of described member of the present invention (it is used for metal bath is transported to distributor and is transported in the mold from teeming ladle) is closely similar and have conventional shape and a function from distributor.Teeming ladle 22 itself has multilayer lining 26 in the side place within it.
Close guiding valve 25 in beginning before the casting process, in order to remove oxygen at the flow channel 1'(of teeming ladle Fig. 4) in the generation vacuum.Therefore also in flow channel 1', outpour generation vacuum in the wall (inwall that is promptly surrounding flow channel 1' with outside housing between) of nozzle in the bottom, and in guiding valve 25, produce negative pressure (vacuum).When steel melt flow among the flow channel 1', housing 7 airtight in the zone that is outpouring opening 2' contacted with steel melt, then housing 7 fusing, thus steel melt can flow to and is arranged in the following container (distributor 12).In one example negative pressure is adjusted in the scope of 700mbar to 800mbar, maximum 1500mbar is adjusted in back to back overvoltage.
Be furnished with the bottom equally in the exit of distributor 12 and outpour nozzle.Outpour the overvoltage that at first produces the argon pressure that has maximum 1500mbar in the nozzle in this bottom.When steel melt flow in the flow channel 1,7 fusings of airtight housing in the zone that outpours opening 2, thus steel melt can flow to and is arranged in the following container.Gas is sucked and leaves the bottom and outpour nozzle, thereby forms vacuum.
Claims (16)
1. one kind is used for being arranged in the bottom of metallurgical tank or the bottom at place, bottom outpours nozzle, has: the upper end of being arranged to be preferably used for be connected to the guiding valve place of metallurgical tank or metallurgical tank; And bottom, wherein, between both ends, be furnished with at least one that have the bottom that is arranged in described lower end and outpour the flow channel of opening, wherein, the wall that radially outwards points to of described flow channel is surrounded by airtight housing, it is characterized in that, described housing surround airtightly have described at least one outpour the described bottom of opening.
2. bottom according to claim 1 outpours nozzle, it is characterized in that, described housing has a plurality of preferred housing components of arranging stackedly that connect airtightly each other.
3. bottom according to claim 1 and 2 outpours nozzle body, it is characterized in that, described housing is formed by metal such as steel, or by forming at other material such as copper, nickel or the stainless steel that are fit to aspect air-tightness and the hear resistance.
4. bottom according to claim 2 outpours nozzle, it is characterized in that, described housing has the lower shell piece that is formed by steel, this lower shell piece surround at least airtightly have described at least one outpour the bottom of opening, and be furnished with the airtight housing component of the part of the integral body that is configured to described wall above the lower shell piece at this.
5. bottom according to claim 2 outpours nozzle, it is characterized in that, described housing has the lower shell piece that is formed by steel, this lower shell piece be inserted into airtightly have described at least one outpour in the described bottom of opening, and be furnished with airtight housing component above the lower shell piece as the part of the integral body of described wall at this, therefore thereby the described opening that outpours is sealed by plunger, and the described bottom outer peripheral edges that outpour nozzle have the airtight surface as housing component.
6. outpour nozzle according to each described bottom in the claim 1 to 5, it is characterized in that, be furnished with gettering material, preferably by constituting: silicon, calcium, titanium, aluminium, magnesium or zirconium from least a metal in following group in described enclosure interior.
7. outpour nozzle according to each described bottom in the claim 1 to 6, it is characterized in that, in the wall of described flow channel, be furnished with heater.
8. outpour nozzle according to each described bottom in the claim 1 to 7, it is characterized in that, the layer that plays the materials such as paper of buffer action is arranged to outpour around described bottom the outer surface of nozzle.
9. outpour nozzle according to each described bottom in the claim 1 to 8, it is characterized in that, the outer surface of described wall is surrounded by the cement seal portion of playing insulating effect under airtight described housing in described upper end, wherein, described cement seal portion preferably comprises heat-resisting pourable cement, preferably has at least a material in following group: aluminium oxide, alumina silicate, magnesia.
10. outpour nozzle according to each described bottom in the claim 1 to 9, it is characterized in that the outer peripheral edges of described wall are surrounded by the material that plays insulating effect especially ceramic paper or by the fabric that ceramic fibre is made under airtight described housing in described lower end.
11. outpour nozzle, it is characterized in that the material of described insulating effect can directly be arranged under the described cement seal portion according to claim 9 and 10 described bottoms.
12. outpour nozzle according to each described bottom in the claim 1 to 11, it is characterized in that, especially between airtight described housing and described wall, be furnished with gas passage under the airtight described housing on the longitudinal direction of described nozzle.
13. one kind is used for outpouring the guiding valve that nozzle uses with the bottom, this guiding valve comprises airtight shell body, it is characterized in that, airtight described housing comprises at least one gas access and at least one gas vent.
14. one kind is used to operate the method that the bottom outpours nozzle, it is characterized in that, described bottom outpours guiding valve or the plunger rod-type latching member place of arrangement of nozzles at metallurgical tank, and before opening described guiding valve or described plunger rod-type latching member, outpour in the nozzle or produce vacuum or utilize and and then produce the excessive or inert gas overvoltage of inert gas and realize the inert gas scavenging, and open described guiding valve or described plunger rod-type latching member afterwards in described bottom.
15. cause 7 described methods, it is characterized in that, after opening described guiding valve or described plunger rod-type latching member, perhaps according to right
C) if before opening, have negative pressure, then produce the inert gas overvoltage, perhaps
D) if before opening, have overvoltage, then produce negative pressure.
16., it is characterized in that described negative pressure is that 1mbar to 1013mbar and described overvoltage are higher than atmospheric pressure according to claim 7 or 8 described methods.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010050936.1 | 2010-11-11 | ||
DE102010050936A DE102010050936A1 (en) | 2010-11-11 | 2010-11-11 | Floor spout nozzle for placement in the bottom of a metallurgical vessel |
PCT/EP2011/005373 WO2012062414A1 (en) | 2010-11-11 | 2011-10-25 | Floor casting nozzle for arrangement in the floor of a metallurgical container |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103228382A true CN103228382A (en) | 2013-07-31 |
Family
ID=44640677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011800545900A Pending CN103228382A (en) | 2010-11-11 | 2011-10-25 | Floor casting nozzle for arrangement in the floor of a metallurgical container |
Country Status (15)
Country | Link |
---|---|
US (1) | US20130233899A1 (en) |
EP (1) | EP2637814A1 (en) |
JP (1) | JP5572266B2 (en) |
KR (1) | KR20130100160A (en) |
CN (1) | CN103228382A (en) |
AU (1) | AU2011328557B2 (en) |
BE (1) | BE1019916A5 (en) |
BR (1) | BR112013011578A2 (en) |
CA (1) | CA2754323C (en) |
DE (1) | DE102010050936A1 (en) |
MX (1) | MX2013005164A (en) |
RU (1) | RU2013121151A (en) |
UA (1) | UA107409C2 (en) |
WO (1) | WO2012062414A1 (en) |
ZA (1) | ZA201303150B (en) |
Cited By (2)
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CN111036891A (en) * | 2019-11-29 | 2020-04-21 | 浙江科宇金属材料有限公司 | Pouring pipe for vertical casting |
CN112974790A (en) * | 2021-02-03 | 2021-06-18 | 鞍山市和丰耐火材料有限公司 | Production process for preventing iron shell of tundish nozzle from falling off |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202015001370U1 (en) | 2014-03-12 | 2015-03-03 | Sheffield Hi-Tech Refractories Germany Gmbh | Plug in a distribution vessel |
CN105965005A (en) * | 2016-07-07 | 2016-09-28 | 宜兴市耐火材料有限公司 | Extended nozzle brick |
CN117940234A (en) * | 2021-09-24 | 2024-04-26 | 安赛乐米塔尔公司 | Leak-proof upper tundish nozzle |
Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7005373U (en) * | 1970-02-16 | 1970-06-25 | Stollberg Gmbh | SUBMERSIBLE SPOUT FOR CASTING PANS OF CONTINUOUS CASTING PLANTS. |
JPH02235566A (en) * | 1989-01-31 | 1990-09-18 | Mannesmann Ag | Metal casting nozzle |
JPH06210419A (en) * | 1993-01-11 | 1994-08-02 | Daido Steel Co Ltd | Immersion nozzle for continuous casting |
JPH07290422A (en) * | 1994-04-20 | 1995-11-07 | Tokyo Yogyo Co Ltd | Cast molding method of tundish upper nozzle |
JPH10305354A (en) * | 1997-05-07 | 1998-11-17 | Nippon Steel Corp | Nozzle for pressure control and continuous molding of steel |
CN1203543A (en) * | 1995-10-10 | 1998-12-30 | 维苏威乌斯坩埚公司 | Nozzle assembly having inert gas distributor |
JPH11104814A (en) * | 1997-10-01 | 1999-04-20 | Toshiba Ceramics Co Ltd | Nozzle for casting |
JPH11207446A (en) * | 1998-01-22 | 1999-08-03 | Akechi Ceramics Kk | Method for judging durable service life of long nozzle for continuous casting |
US6412672B1 (en) * | 2000-05-01 | 2002-07-02 | The Carmany Goup Incorporated | Ladle to tundish transfer to molten metal in the steelmaking process |
JP2002210545A (en) * | 2001-01-17 | 2002-07-30 | Toshiba Ceramics Co Ltd | Nozzle for continuous casting |
KR20030054769A (en) * | 2001-12-26 | 2003-07-02 | 주식회사 포스코 | A continuously casting method for low air inclusions in slab |
JP2004243407A (en) * | 2003-02-17 | 2004-09-02 | Sumitomo Metal Ind Ltd | Method of continuously casting molten magnesium alloy |
CN1530193A (en) * | 2003-03-14 | 2004-09-22 | 上海宝湘耐火材料有限公司 | Manufacture of zirconium mullite runner for continuous casting bakie |
JP2005313197A (en) * | 2004-04-28 | 2005-11-10 | Shinagawa Refract Co Ltd | Immersion nozzle for continuously casting steel |
CN2928316Y (en) * | 2006-05-12 | 2007-08-01 | 濮阳濮耐高温材料有限公司 | Ventilation top water gap of continuous casting middle ladle |
CN101704100A (en) * | 2009-12-09 | 2010-05-12 | 山东东耐高温材料有限公司 | Tundish breathable water inlet used for metal continuous casting plate blank and preparation method thereof |
WO2010073736A1 (en) * | 2008-12-26 | 2010-07-01 | 新日本製鐵株式会社 | Continuous casting method and nozzle heating device |
AU2007249057B2 (en) * | 2004-11-26 | 2010-08-12 | Rhi Ag | Regulation method for throughflow and bottom nozzle of a metallurgical vessel |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS571723A (en) | 1980-06-05 | 1982-01-06 | Toppan Printing Co Ltd | Manufacture of oriented hollow vessel |
JPS5861954A (en) | 1981-10-09 | 1983-04-13 | Mitsubishi Heavy Ind Ltd | Sealed type continuous casting installation |
JPS59125250A (en) * | 1983-01-07 | 1984-07-19 | Kawasaki Steel Corp | Hole opening method of long nozzle in continuous casting |
JPS613653A (en) | 1984-06-15 | 1986-01-09 | Kawasaki Steel Corp | Sliding nozzle device having sealing mechanism |
JPS61206559A (en) | 1985-03-12 | 1986-09-12 | Daido Steel Co Ltd | Gas sealing method for molten steel flow |
JP2647707B2 (en) | 1989-01-12 | 1997-08-27 | 新日本製鐵株式会社 | How to pour a tundish |
JPH03193250A (en) | 1989-12-25 | 1991-08-23 | Kawasaki Steel Corp | Method for detecting clogging of tundish submerged nozzle |
JPH03243256A (en) * | 1990-02-19 | 1991-10-30 | Kawasaki Steel Corp | Sequentially continuous casting method using long nozzle |
JPH04270042A (en) | 1991-02-26 | 1992-09-25 | Daido Steel Co Ltd | Continuous casting method and device for sealing sliding nozzle in tundish for continuous casting |
JP3193250B2 (en) | 1994-12-19 | 2001-07-30 | アサヒビール株式会社 | Diaphragm type pressure gauge |
JP3484820B2 (en) | 1995-04-20 | 2004-01-06 | 大同特殊鋼株式会社 | Continuous casting of free-cutting steel |
JPH11170033A (en) | 1997-12-12 | 1999-06-29 | Nippon Steel Corp | Sliding nozzle sealing method |
US6250521B1 (en) | 2000-02-02 | 2001-06-26 | Ltv Steel Company, Inc. | Preventing air aspiration in slide gate plate throttling mechanisms |
JP2002143994A (en) | 2000-11-07 | 2002-05-21 | Daido Steel Co Ltd | Structure for preventing infiltration of outdoor air from sliding gate section of continuously casting equipment |
KR100807680B1 (en) | 2001-08-24 | 2008-02-28 | 주식회사 포스코 | Device for compensating inner nagative pressure of submerged entry nozzle |
US6660220B2 (en) | 2001-12-21 | 2003-12-09 | Isg Technologies Inc. | Apparatus and method for delivering an inert gas to prevent plugging in a slide gate |
TW200420371A (en) | 2002-10-16 | 2004-10-16 | Vesuvius Crucible Co | Resin-bonded, gas purged nozzle |
JP4270042B2 (en) | 2004-06-25 | 2009-05-27 | パナソニック株式会社 | Vending machine product storage shelf |
DE102004057381A1 (en) | 2004-11-26 | 2006-06-01 | Heraeus Electro-Nite International N.V. | Method for controlling the flow and bottom outlet for a metallurgical vessel |
DE102009020990A1 (en) * | 2009-05-12 | 2010-11-18 | Heraeus Electro-Nite International N.V. | Floor spout for use in a container for molten metal |
-
2010
- 2010-11-11 DE DE102010050936A patent/DE102010050936A1/en not_active Withdrawn
-
2011
- 2011-05-05 BE BE2011/0274A patent/BE1019916A5/en active
- 2011-10-05 CA CA2754323A patent/CA2754323C/en not_active Expired - Fee Related
- 2011-10-25 KR KR1020137011376A patent/KR20130100160A/en not_active Application Discontinuation
- 2011-10-25 JP JP2013538090A patent/JP5572266B2/en not_active Expired - Fee Related
- 2011-10-25 BR BR112013011578A patent/BR112013011578A2/en not_active IP Right Cessation
- 2011-10-25 MX MX2013005164A patent/MX2013005164A/en not_active Application Discontinuation
- 2011-10-25 AU AU2011328557A patent/AU2011328557B2/en not_active Ceased
- 2011-10-25 US US13/883,606 patent/US20130233899A1/en not_active Abandoned
- 2011-10-25 EP EP11788766.1A patent/EP2637814A1/en not_active Withdrawn
- 2011-10-25 CN CN2011800545900A patent/CN103228382A/en active Pending
- 2011-10-25 WO PCT/EP2011/005373 patent/WO2012062414A1/en active Application Filing
- 2011-10-25 UA UAA201305830A patent/UA107409C2/en unknown
- 2011-10-25 RU RU2013121151/02A patent/RU2013121151A/en not_active Application Discontinuation
-
2013
- 2013-04-30 ZA ZA2013/03150A patent/ZA201303150B/en unknown
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7005373U (en) * | 1970-02-16 | 1970-06-25 | Stollberg Gmbh | SUBMERSIBLE SPOUT FOR CASTING PANS OF CONTINUOUS CASTING PLANTS. |
JPH02235566A (en) * | 1989-01-31 | 1990-09-18 | Mannesmann Ag | Metal casting nozzle |
JPH06210419A (en) * | 1993-01-11 | 1994-08-02 | Daido Steel Co Ltd | Immersion nozzle for continuous casting |
JPH07290422A (en) * | 1994-04-20 | 1995-11-07 | Tokyo Yogyo Co Ltd | Cast molding method of tundish upper nozzle |
CN1203543A (en) * | 1995-10-10 | 1998-12-30 | 维苏威乌斯坩埚公司 | Nozzle assembly having inert gas distributor |
JPH10305354A (en) * | 1997-05-07 | 1998-11-17 | Nippon Steel Corp | Nozzle for pressure control and continuous molding of steel |
JPH11104814A (en) * | 1997-10-01 | 1999-04-20 | Toshiba Ceramics Co Ltd | Nozzle for casting |
JPH11207446A (en) * | 1998-01-22 | 1999-08-03 | Akechi Ceramics Kk | Method for judging durable service life of long nozzle for continuous casting |
US6412672B1 (en) * | 2000-05-01 | 2002-07-02 | The Carmany Goup Incorporated | Ladle to tundish transfer to molten metal in the steelmaking process |
JP2002210545A (en) * | 2001-01-17 | 2002-07-30 | Toshiba Ceramics Co Ltd | Nozzle for continuous casting |
KR20030054769A (en) * | 2001-12-26 | 2003-07-02 | 주식회사 포스코 | A continuously casting method for low air inclusions in slab |
JP2004243407A (en) * | 2003-02-17 | 2004-09-02 | Sumitomo Metal Ind Ltd | Method of continuously casting molten magnesium alloy |
CN1530193A (en) * | 2003-03-14 | 2004-09-22 | 上海宝湘耐火材料有限公司 | Manufacture of zirconium mullite runner for continuous casting bakie |
JP2005313197A (en) * | 2004-04-28 | 2005-11-10 | Shinagawa Refract Co Ltd | Immersion nozzle for continuously casting steel |
AU2007249057B2 (en) * | 2004-11-26 | 2010-08-12 | Rhi Ag | Regulation method for throughflow and bottom nozzle of a metallurgical vessel |
CN2928316Y (en) * | 2006-05-12 | 2007-08-01 | 濮阳濮耐高温材料有限公司 | Ventilation top water gap of continuous casting middle ladle |
WO2010073736A1 (en) * | 2008-12-26 | 2010-07-01 | 新日本製鐵株式会社 | Continuous casting method and nozzle heating device |
CN101704100A (en) * | 2009-12-09 | 2010-05-12 | 山东东耐高温材料有限公司 | Tundish breathable water inlet used for metal continuous casting plate blank and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111036891A (en) * | 2019-11-29 | 2020-04-21 | 浙江科宇金属材料有限公司 | Pouring pipe for vertical casting |
CN112974790A (en) * | 2021-02-03 | 2021-06-18 | 鞍山市和丰耐火材料有限公司 | Production process for preventing iron shell of tundish nozzle from falling off |
Also Published As
Publication number | Publication date |
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ZA201303150B (en) | 2014-01-29 |
AU2011328557B2 (en) | 2015-02-05 |
JP5572266B2 (en) | 2014-08-13 |
AU2011328557A1 (en) | 2013-05-02 |
EP2637814A1 (en) | 2013-09-18 |
DE102010050936A1 (en) | 2012-05-16 |
KR20130100160A (en) | 2013-09-09 |
BR112013011578A2 (en) | 2016-08-09 |
US20130233899A1 (en) | 2013-09-12 |
JP2013542856A (en) | 2013-11-28 |
CA2754323A1 (en) | 2012-05-11 |
MX2013005164A (en) | 2013-08-29 |
CA2754323C (en) | 2014-12-16 |
RU2013121151A (en) | 2014-11-20 |
BE1019916A5 (en) | 2013-02-05 |
WO2012062414A1 (en) | 2012-05-18 |
UA107409C2 (en) | 2014-12-25 |
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