EP2882874A1 - Heisswindlanze - Google Patents
HeisswindlanzeInfo
- Publication number
- EP2882874A1 EP2882874A1 EP13737131.6A EP13737131A EP2882874A1 EP 2882874 A1 EP2882874 A1 EP 2882874A1 EP 13737131 A EP13737131 A EP 13737131A EP 2882874 A1 EP2882874 A1 EP 2882874A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hot blast
- shell
- innermost
- jacket
- hot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000002826 coolant Substances 0.000 claims abstract description 7
- 238000010310 metallurgical process Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 17
- 229910010293 ceramic material Inorganic materials 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 5
- 238000009628 steelmaking Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 239000006261 foam material Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000005764 inhibitory process Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000010309 melting process Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 6
- 238000007667 floating Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005382 thermal cycling Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- -1 flame spraying Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- C21C5/4613—Refractory coated lances; Immersion lances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2250/00—Specific additives; Means for adding material different from burners or lances
- C21C2250/02—Hot oxygen
Definitions
- the invention relates to a hot blast lance for use in metallurgical processes, such as
- Steel making with which hot air is blown above a molten bath of a steel converter, which consists of an outer shell, and at least one inner shell, and between the outer and an inner shell at least one with coolant
- HBI Hot Briquetted Iron
- Converter with oxidizing gases are burned. The resulting heat is transferred to the melt transfer.
- oxygen and / or fuels are supplied via bottom nozzles.
- Hot air is understood as meaning an oxygen-containing gas heated to 1,200 ° C. (500-1,400 ° C.).
- the gas is typically composed of the main components oxygen, nitrogen and argon.
- Oxygen content is in the range of normal air (21%) and may be up to 35% or even 50% enriched with oxygen.
- a syngas could also be understood as hot blast, for example, from the exhaust gases of a combustion reaction of a fuel, such as, for example, blast furnace gas, coke gas,
- Converter gas or natural gas or other gaseous or liquid hydrocarbon is obtained with air.
- the 02 content of the synthesis gas can be determined by the air ratio of the combustion and a possibly. Simultaneous enrichment of the combustion air with oxygen and / or the mixing of the combustion exhaust gases with pure
- the hot blast produced in this case has contents of CO 2 and water as products of the combustion.
- the invention is therefore the object of a
- the core of the invention is that the inner jacket or the innermost jacket at least partially consists of a thermally insulating additional jacket, or a thermally insulating jacket, or is coated with a thermally insulating layer.
- the H finallyluftnachverbrennung requires a special device for forwarding the hot blast from the hot blast source and for introducing the hot blast in the reaction vessel, via a corresponding, here
- Hot blast lance configured according to the invention.
- a converter As a reaction vessel, a converter can be used, as it is known from steel production.
- an afterburning can be done with Hot wind also operate in any other usual in metallurgy reaction vessel, it is irrelevant whether the walls of the vessel are completely, partially or not cooled with cooling water.
- temperatures of more than 1 typically prevail. 000 ° C before, wherein in the gas phase, temperatures of up to 2. 000 ° C can be achieved.
- Reaction vessel eg. For metallurgical reactions, above the liquid bath surface, it is essential to cool the injection lance, in this case so the hot blast lance intensively with water.
- the water cooling protects the hot wind lance from the upper space of the
- Reaction vessel prevailing high gas temperatures.
- the high gas temperatures go to a considerable extent on the running in the reaction vessel (eg in a steel converter) and possibly. the injection lance usually maintain exothermic reactions. As such are
- Cooling water leading tubes constructed, which are interconnected with narrow, solid webs.
- two adjacent tubes are connected at one end to a manifold, the other two ends each with a flow and a
- Diameter concentric with each other This creates between the outer and the middle tube, as well as between the middle and the inner tube each have a concentric space. If one connects the outer and the inner pipe at one end of the lance and shortens the middle pipe, the result is a geometry in which the two interspaces can be used as supply and return for the lance cooling water.
- spacers are introduced between the tubes. Often these spacers are designed as welded in the longitudinal direction on the respective thinner pipe narrow webs.
- the described water-cooled device is used with regard to protection of heat entry.
- hot wind is not a cold but a typical one 1200 ° C hot medium is.
- the hot-blast process is not always a continuous process, but is one in particular in the converter process
- Cool process breaks regularly. The result is an uneven load profile, which leads to a significant thermal cycling (TWB) of the applied equipment parts. This results in the
- Suitable layer systems are ceramic layers, overlay layers or application layers which can be applied using the customary application methods, chemical vapor deposition, thermal spraying, build-up welding or application of SolGel systems, the layers possibly being replaced by a thermal step (by Curing, diffusion, crosslinking, etc.) can be improved in their functionality.
- the inner shell or the innermost shell at least on the inside with a protective layer or
- the lance advantageously still has a good resistance to abrasion and corrosion. This is important insofar as the flow rate of hot air because of the lower density of the hot air compared to air under normal conditions is significantly larger.
- the mechanical load of the inner shell of the lance due to the flow of hot air is thereby greater than is the case with an oxygen lance, in which the oxygen is conveyed substantially in a cold state and usually under high pressure through the lance.
- the cooling channel through which water flows is separated by two walls from the inner tube of the lance, through which the hot air flows. Due to the flowing hot air, the inner tube is mechanically, thermally and chemically stressed comparatively strong. This may cause cracks in the mantle of the jacket
- the intermediate coat is then no longer mechanically stressed. Furthermore, it is configured that the inner shell or the innermost shell consists of several layers, and that at least the innermost of these layers, namely layer of abrasions- and / or
- the inner shell or the innermost shell consists of a ceramic material or is coated with the same.
- Ceramic materials advantageously meet the requirements outlined above.
- Adhesive or liner is provided.
- the bonding agent or liner is so elastic that it is the difference of the expansion coefficient of the inner or innermost shell to the abrasion and / or corrosion resistant material or ceramic
- the abrasion- and / or corrosion-resistant material or the ceramic material consists of a layer system in which the surface to which the hot wind flows consists of a dense ceramic material and the surface remote from the hot wind consists of a ceramic foam material.
- the ceramic foam material has a higher elasticity than the massively executed
- Coating is comparatively thin. This makes it possible to keep the weight of the lance within limits. This proves to be advantageous because the lance in
- the lance then cools until hot air is conveyed through the lance at the next converter operation.
- the lance is heated again accordingly.
- a suitable material for a coating may for example consist of A1 2 0 3 , Sic, SiSiC or a super-Alloy. This material can be applied for example by sputtering, electrochemical or electrolytic coating, flame spraying, paint comparable to a color or by applying a suspension in which the liquid evaporates and the solid particles surface the outer or inner
- this ceramic material has good thermal insulation properties (i.e., low thermal conductivity).
- the material is also sufficiently mechanically stable (in particular
- Melting process for example by removing slag from the converter, renewing or repairing the refractory lining of the steel converter.
- the hot wind source in the form of a pebble heater is re-fired to store heat for the production of hot air for the next
- Fusion process is in turn promoted hot air through the inner shell of the lance, so that the inner jacket is then exposed to correspondingly high temperatures.
- a Temper istskanal is disposed between the outer shell and the innermost shell, which in Blas humor the hot blast is also flowed through with hot blast.
- the inner jacket may be kept at a high temperature on its outside as well, due to the hot air flowing in the tempering channel.
- the hot air passing through the inner mantle may be kept at a high temperature on its outside as well, due to the hot air flowing in the tempering channel.
- the hot air, which flows through the Temper istskanal is cooled in this embodiment to some extent.
- This hot air which has flowed through the tempering channel, can be distributed via diffusely distributing outlet nozzles on the
- Temperiansskanal streamed hot air into the gas space of the converter, it is also possible to design the Temper michskanal so that the hot air in the
- Temperiansskanal is returned, in the direction the upper end of the lance. From there, the hot air can then be led out of the lance and released to the environment. This is from the
- Temperiansskanal outflowing hot air advantageously led out of the hall of the factory. In the converter then only the hot air is introduced, which was conveyed through the inner shell of the lance.
- the innermost shell is floatingly mounted in the hot blast lance.
- the inner jacket is floatingly mounted in the lance.
- the length changes due to the temperature changes then only lead to a lower mechanical load of the lance, because of the
- the change in length of the inner shell can be made largely independent of the change in length of the outer shell.
- At least the inner or the innermost shell along its longitudinal direction consists of several sections or sleeves, which at the
- Touch points of the individual sections or sleeves are designed partially overlapping.
- An embodiment is particularly advantageous when the floating inner shell of the hot blast lance is provided with an insulating layer, such as rock wool, in relation to the water-cooled jacket area.
- Temperature radiation from the innermost shell in the water-cooled shell especially in the temperature range above 800 ° C is particularly effectively hindered. Carry on a little further. Basically enough even a temperature radiation obstruction in the form of a thin layer as a kind of radiation shield so that the removal of energy from the hot wind into the cooling water is stronger prevented.
- the innermost surface or coating surface which is in direct contact with the hot blast, reduces flow resistance and / or adhesion
- thermal insulation described above proves to be particularly advantageous in a process in which hot air is introduced into the converter during the melting process.
- hot air is introduced into the converter during the melting process.
- Pure oxygen in the melting of steel for refining does not depend on the temperature of the oxygen due to the process.
- the temperature of the oxygen due to the process does not depend on the temperature of the oxygen due to the process.
- it can be at a lance after the
- This surface profile can be designed, for example, in the manner of a sharkskin. This surface profile can be replaced by a
- FIG. 1 shows a hot blast source as a so-called Pebble Heater 30.
- the Pebble Heater is a special type of regenerator. Here, cold wind is passed through a previously heated with burner gas firing stocking of bulk material, and withdrawn as a heated hot blast.
- hot blast line which is connected to the Heiwindlanze or is connected in the inflating operating position with the hot blast line.
- the converter operation is a batch operation
- the hot blast only for the time of the batch operated To be available.
- the burner is then operated in the Pebble Heater, and this heats up the stocking of bulk material in this time again until hot wind is generated again by cold wind supply in the Pebble Heater for the next converter batch.
- Figure 2 shows the hot blast lance 10 in the operating position in which it is retracted into a converter 20.
- the components listed above in the text are additionally added via the bottom nozzles and also oxygen is blown in on the bottom side. This presentation is the above already made statements again.
- FIG. 3 now shows that shown in FIG
- the innermost tube is usually the
- Figure 3 shows only one side of a short section a
- the outer shell 1 forms here together with the inner shell 2 a composite with a gap 3.
- the intermediate space 3 is designed as a cooling jacket, which is flowed through by a coolant.
- This inner shell 2 can be coated with a thin layer 41, which serves as a transition layer to a another inner jacket 42 is used.
- This jacket 42 may already be a ceramic tube, or a ceramic coated tube.
- the innermost tube or the innermost jacket 45 may be provided as a floating tube, and at least on the innermost surface in turn be provided with a corrosion and / or abrasion resistant layer 46.
- the given between the innermost floating jacket or tube 45 space 5 can also with rock wool, or other thermally good
- the coating system causes a good corrosion and abrasion resistance.
- Pipe or shell 46 allows for different thermally induced length expansions of different materials used. This can also be done with the coatings
- adhesion-promoting layers or liners at least
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012016143.3A DE102012016143A1 (de) | 2012-08-08 | 2012-08-08 | Heißwindlanze |
PCT/EP2013/001825 WO2014023372A1 (de) | 2012-08-08 | 2013-06-20 | Heisswindlanze |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2882874A1 true EP2882874A1 (de) | 2015-06-17 |
EP2882874B1 EP2882874B1 (de) | 2019-08-07 |
Family
ID=48793155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13737131.6A Active EP2882874B1 (de) | 2012-08-08 | 2013-06-20 | Heisswindlanze |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2882874B1 (de) |
DE (1) | DE102012016143A1 (de) |
WO (1) | WO2014023372A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107354312A (zh) * | 2017-09-12 | 2017-11-17 | 侯锦峰 | 四通道氧气粉煤喷枪 |
WO2023164076A1 (en) * | 2022-02-25 | 2023-08-31 | Sierra Energy | Lances for injecting reactants into gasifiers |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE792348A (fr) * | 1971-12-28 | 1973-03-30 | Uss Eng & Consult | Procede de liaison de garnitures dans des tubes metalliques |
LU80250A1 (fr) * | 1978-09-18 | 1979-06-01 | R Hubert | Ensemble a buses ejectrices,dit"nez de lance",servant a souffler des gaz,vehiculant ou non des matieres solides,sur ou dans un bain de metal en fusion |
DE4238970C1 (de) * | 1992-11-19 | 1994-04-21 | Kct Tech Gmbh | Verfahren zum Einblasen oxidierender Gase in Metallschmelzen |
DE4343957C2 (de) | 1993-12-22 | 1997-03-20 | Tech Resources Pty Ltd | Konverterverfahren zur Produktion von Eisen |
ES2250755T3 (es) * | 1998-08-28 | 2006-04-16 | Voest-Alpine Industrieanlagenbau Gmbh | Procedimiento para producir un caldo metalico por medio de una lanza multifuncion. |
US6503442B1 (en) * | 2001-03-19 | 2003-01-07 | Praxair S.T. Technology, Inc. | Metal-zirconia composite coating with resistance to molten metals and high temperature corrosive gases |
AUPR624801A0 (en) * | 2001-07-10 | 2001-08-02 | Technological Resources Pty Limited | A gas injection lance |
JP4801732B2 (ja) | 2006-01-04 | 2011-10-26 | サールスタール アーゲー | 鉄塊化物を予熱する方法 |
AT506984B1 (de) * | 2008-06-17 | 2010-06-15 | Siemens Vai Metals Tech Gmbh | Sauerstoffblaslanze mit schutzelement |
-
2012
- 2012-08-08 DE DE102012016143.3A patent/DE102012016143A1/de not_active Withdrawn
-
2013
- 2013-06-20 EP EP13737131.6A patent/EP2882874B1/de active Active
- 2013-06-20 WO PCT/EP2013/001825 patent/WO2014023372A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014023372A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2882874B1 (de) | 2019-08-07 |
DE102012016143A1 (de) | 2014-02-13 |
WO2014023372A1 (de) | 2014-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1466022B1 (de) | Verfahren zur pyrometallurgischen behandlung von metallen, metallschmelzen und/oder schlacken sowie eine injektorvorrichtung | |
DE2401909B2 (de) | Verfahren zur Herstellung von Stahl | |
DE69720729T2 (de) | Von oben einsetzbare einspritzlanze | |
DE102014104232B4 (de) | Brennstaub-Brenner und Flugstromvergaser für die Herstellung von Synthesegas | |
EP2882874B1 (de) | Heisswindlanze | |
DE10103605A1 (de) | Vorrichtung zum Einspeisen von festem Partikelmaterial in einen Kessel | |
DE68908299T2 (de) | Verschleissfeste metallurgische Düse. | |
AT527022A2 (de) | Sauerstoff-Kohle-Spritzpistole aus Verbundwerkstoff | |
EP1285096B1 (de) | Verfahren und vorrichtung zur herstellung von roheisen oder flüssigen stahlvorprodukten aus eisenerzhältigen einsatzstoffen | |
DE102006052937A1 (de) | Sammelleitung für Röhrenspaltöfen | |
DE69400900T2 (de) | Verfahren zum Beeinflussen der Ansatzbildung auf einer Brennstoff-Sauerstoff-Düse | |
DE202014101214U1 (de) | Brenner für einen Flugstromvergaser | |
DE112004001926B4 (de) | Ein Rohrsegment für eine Transportleitung zum Transportieren von heißem Partikelmaterial | |
DE2737441A1 (de) | Verfahren und vorrichtung zum kontinuierlichen aufheizen einer eisenschmelze | |
EP2659008B1 (de) | Verfahren zur pyrometallurgischen behandlung von metallen, metallschmelzen und/ oder schlacken | |
DE102009006573A1 (de) | Verfahren zum Schmelzen von Einsatzmaterial in einem Kupolofen | |
DE2633061A1 (de) | Blasverfahren fuer oefen mit schmelzschacht und duese zur durchfuehrung des verfahrens | |
AT509073B1 (de) | Verfahren und vorrichtung zur bereitstellung von reduktionsgas aus generatorgas | |
EP2882873B1 (de) | Verfahren zum betrieb eines reaktionsgefässes zur stahlherstellung, sowie stahlkonverteranordnung selbst | |
EP0533866B1 (de) | Verfahren zum herstellen von flüssigem metall aus feinkörnigen metalloxidpartikeln und reduktions- und schmelzofen zur durchführung des verfahrens | |
DE102009060827A1 (de) | Lanzenkopf für eine Blaslanze mit einem keramischen Düseneinsatz | |
RU2542959C2 (ru) | Трубчатая установка риформинга с переменной толщиной стенок и соответствующий способ получения | |
DE2552392A1 (de) | Verfahren zum zufuehren von waermeenergie an eisenschmelzen | |
SU899661A1 (ru) | Газо-кислородна фурма дл продувки расплавов | |
DE2214200C3 (de) | Verfahren zum Verbessern der Haltbarkeit feuerfester Bausteine in Industrieöfen und Bausteine zur Durchführung des Verfahrens |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20150303 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20180509 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20190312 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP Ref country code: AT Ref legal event code: REF Ref document number: 1163960 Country of ref document: AT Kind code of ref document: T Effective date: 20190815 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502013013325 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20190807 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191107 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191107 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191209 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191108 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191207 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200224 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502013013325 Country of ref document: DE |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG2D | Information on lapse in contracting state deleted |
Ref country code: IS |
|
26N | No opposition filed |
Effective date: 20200603 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20200620 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200620 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20200630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200630 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200630 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200620 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200630 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200620 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200630 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20210621 Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190807 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 1163960 Country of ref document: AT Kind code of ref document: T Effective date: 20220620 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220620 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240619 Year of fee payment: 12 |