EP1602425A1 - Poudre de couverture pour la coulée continue de métaux et sa méthode d'élaboration - Google Patents
Poudre de couverture pour la coulée continue de métaux et sa méthode d'élaboration Download PDFInfo
- Publication number
- EP1602425A1 EP1602425A1 EP05011589A EP05011589A EP1602425A1 EP 1602425 A1 EP1602425 A1 EP 1602425A1 EP 05011589 A EP05011589 A EP 05011589A EP 05011589 A EP05011589 A EP 05011589A EP 1602425 A1 EP1602425 A1 EP 1602425A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- granules
- water
- sio
- silica
- silica powder
- 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
- 239000008187 granular material Substances 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 19
- 238000005469 granulation Methods 0.000 claims abstract description 16
- 230000003179 granulation Effects 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 5
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 41
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 239000010903 husk Substances 0.000 claims description 17
- 235000007164 Oryza sativa Nutrition 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 235000009566 rice Nutrition 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 13
- 235000013339 cereals Nutrition 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000005453 pelletization Methods 0.000 claims description 7
- 229910021487 silica fume Inorganic materials 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 19
- 238000007792 addition Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 241000209094 Oryza Species 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000011837 pasties Nutrition 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000009481 moist granulation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/111—Treating the molten metal by using protecting powders
Definitions
- the present invention relates to insulating granules which can be used as insulating and / or release agents for high temperature applications, as well as their preparation.
- the granules are to come in different particle sizes are used and be by spraying or pelletizing pelletizing with sometimes considerable produced technical effort.
- low carbon content is required because the carbon content in the additive Property of iron and steel changed in an undesirable manner.
- the mentioned properties is a constant volume in foundry technology the aggregate over the entire temperature range desired as a Volume change of the fillers and release agents used to an unwanted Changing the mold geometry leads. In the construction sector, however, are next thermal stability the sound-insulating properties of outstanding Importance.
- amorphous silica powder can be processed with the addition of water to granules, the desired Have properties.
- the object of the present invention is therefore achieved by insulating Granules consisting of an amorphous silica powder by pelleting with the addition of water in a ratio of solid: water of 1: 0.25 to 1: 1.5 are available.
- the granules according to the invention offer the advantage of good environmental compatibility in production controllable grain size or bulk density.
- Manual material dosing is an automated task possible. Experiments have shown that a temperature stability up to 1600 ° C is guaranteed. At the same time, the granules behave inert in terms of reaction and thus offer the certainty that they are not used as a filling material react to the substances to be processed.
- Suitable SiO 2 suppliers are all silicon powders which contain high proportions of amorphous SiO 2 or silica. Particularly suitable are microsilica, silica filter dust and mixtures of microsilica or silica filter dust and rice husk ash in different proportions by weight. The addition of further additives for defined bulk density or particle size control is possible. The composition of the starting materials and the mixing ratio of the components involved allows the control of the grain size. At the same time, these parameters also influence the carbon content that is important for the iron and foundry industry.
- the silicon dioxide used is preferably silica filter dust, which is obtained without carbon in the silicon or silicon-producing industry and has a consistently high SiO 2 content of at least 90%. Particularly preferred is a filter dust is used, which is obtained from the flue gas scrubbing the residue combustion in the silicone production. It is irrelevant whether the silicon powder is already in the dried state or in wet chunk form as a filter cake. The silicon dioxide can be used without further drying in the form of the resulting filter cake. The already existing moisture is often enough to cause a direct granulation by stirring.
- pretreat a caked filter cake by digestion for example by comminution / grinding / screening, in particular by pressing the puffy SiO 2 through a perforated screen, so that an open-pored structure important for granulation is obtained.
- the dried and possibly ground filter cake by defined addition of water first in the Granulierungs Kunststoff be brought, with a crushing or grinding for Achieving the open-pore structure described is also preferred.
- the granulation must be carried out from a defined moisture, which may be based on the used SiO 2 at a water content of up to 150% based on the total mass.
- Useful water contents are 25 to 150%; Typically, proportions of 30 to 80%, in particular 30 to 70% are particularly suitable.
- This slightly empirically determined moisture content must be met quite accurately for a given presented mixture, since too little water does not give rise to granules, only local lumps form in the powder. Further addition of water causes the granules to germinate and grow more and more. This happens until, in a moist granulation equilibrium, the added water combines to form an earth-entrained mass with the germs.
- the granulation equilibrium is again shifted to an unfavorable range: the granules lose their structure and, depending on the amount of water, a viscous to light-bodied pasty pulp, which can be moved back into the granulation only by re-addition of solids.
- the granules can be further increased, if necessary. reach their final spherical shape after transfer to the granulator. Is the Quality of the resulting granules in the stirrer already sufficient, can on a Pelleting in the plate can be dispensed with.
- the components used in a targeted manner cake with water to make granules.
- the silica and optionally present additives have expediently a particle size on, which is below, preferably well below, the desired granule size.
- a granule size of e.g. 0.5 mm is a particle size of the starting materials of a maximum of 0.1 mm.
- One with higher technical Effort operated finer grinding remains at this granule size without significant impact.
- substances which are used as thickening agents in food chemistry are used as additives.
- these are first prepared in a low-percentage solution in order to influence the size of the granules after already made ate Trent of the components to be used with water and an incipient granulation.
- the addition of dilute thickening agent solution allows the granules to be enlarged as required so that, depending on the area of application, granules of up to several centimeters in diameter can be produced in a targeted manner. Due to the agglomerating property of the additive, an increase in the bulk density is simultaneously observed, which in turn depends on the used and percentage composition of the SiO 2 component (s). It should be noted that this addition is not required for granule formation.
- High-melting oxides or carbonates of the alkali and alkaline earth metals can also be used as additives.
- the pH of the granules produced changes, and the formation of eutectics lowers the melting point of the mixtures in comparison to pure SiO 2 .
- To control the pH it is also possible, if this is not to be achieved by adding an additive, to influence the silicic acid to be used in the aftertreatment by aqueous solutions of acidic or basic precipitation additions so that the granule preparation is already preceded by a filter dust with a defined pH Value takes place.
- the effects of the precipitants used in filter dust precipitation which lead to accelerated formation of solids, must be taken into account.
- the granules according to the invention are preferably made of silicon dioxide powder prepared with the addition of water and optionally additives in a stirrer. As far as e.g. for an optimal flow behavior as even as possible Ball shape is desired, completes further processing in a pelletizing at.
- the granules by other agglomeration or granulation as the pelleting in a stirrer. Preferably should No or very little compressive forces are used in the granulation. Suitable are e.g. Screen granulators or vertical granulators and the Fluidized bed granulation. The well-known Kompaktierungs vide are only suitable if a slightly higher bulk density is acceptable.
- a SiO 2 for example, a silica filter slurry is introduced. This can be immediately pasted while stirring with water; Alternatively, rice husk ash in variable proportions can be added to the filter slurry before the addition of water, which is then mixed with water in the next step as a homogeneous mixture.
- the already formed Granules are treated with the described additives; also by one Addition of rice husk ash is a granule enlargement possible. Because the Granules already formed during stirring, is a subsequent treatment the same in the granulator not necessarily necessary, but leads to a regular spherical shape, which is desirable for certain applications.
- the increase in size can be due to Powders are finished with rice husk ash or filter dust, taking has shown that the rice husk ash is particularly good for this process suitable is.
- a Reisschalenaschezugabe of about 0.5% based on the Total mixture is sufficient. It produces dull black granules with a Size of 0.5 - 5mm, depending on the stirring time and Reisschalenaschezugabe.
- the rice husk ash can be used as required in any Weight ratios are added; in practice shares have up to 30% Ashes led to a good result. At the same time, the addition of the Rice husk ash but increase the bulk density.
- pH neutrality of the Granules that are at pH 8.
- An aggregate should become pH neutral behave as changes in the pH negatively affect the processing substance or the forms in which the substance is processed and is transported, can carry.
- the present production process without combining the powders used forms a matrix with the aid of a gel-forming material.
- amorphous SiO 2 allows direct granulation.
- inclination by defined addition of water and controlling the reaction conditions by residence time and Inclination / rotational speed of the pelletizing plate can be a granulate in defined Grain size of 0.5 - 5 mm size can be produced, which is characterized by thermal and mechanical stability up to the high temperature range.
- the granule size can also be determined by the residence time in the stirrer or later in the Pelletizing be influenced. In both cases, an extension leads to an enlargement of the granules, whereby by the evaporation of the water the granules surface increasingly dries and the granulation for Standstill comes. An enlargement of the granules is only possible as long as the Outside of the granules has a residual moisture, through their pasty Surface allows attachment of additional material.
- the powdered materials used so far have the here Disadvantage of missing flow properties and are therefore less favorable to handle and dosage. Especially the production of granules with a defined Grain size leads to a possibility of customer and application specific Adaptation for the respective application.
- the granules according to the invention have a bulk density of 0.2 to 0.7 kg / l, e.g. of 0.5 kg / l and thus meet the demand for a light granules with a low bulk density.
- the finished product can vary according to customer requirements in bags or BigBags Size, transported in troughs or silos and abandoned.
- microsilica (Elcem, Norway) having the following composition: SiO 2 : 91.1%, Fe 2 O 3 : 2.5%, Al 2 O 3 : 0.9%, MgO: 1.1%, K 2 O. : 1.7%, Na 2 O: 0.4%, SO 3 : 0.4%, residual moisture 0.5% and total carbon content. 1.65% was mixed with 30 g of water. The mass was thoroughly mixed in the stirrer, it formed granule nuclei, which increased in size with lasting stirring time. To achieve a smooth surface, the granules were powdered with 5g rice husk ash. The granules had a particle size of 0.5-3 mm and a bulk density of 0.6 kg / l.
- the conglomerate is fed to a granulating and dried in a belt dryer.
- the pellets in the plate can be influenced in size. Screening in the dryer returns dust and large chunks to the Eirich mixer.
- the pellets had a bulk density of 0.5 kg / l and a softening temperature of 1,600 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Silicon Compounds (AREA)
- Processing Of Solid Wastes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Glanulating (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004026443A DE102004026443B3 (de) | 2004-05-29 | 2004-05-29 | Isolierende Granulate für Anwendungen im Hochtemperaturbereich |
| DE102004026443 | 2004-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1602425A1 true EP1602425A1 (fr) | 2005-12-07 |
| EP1602425B1 EP1602425B1 (fr) | 2009-08-05 |
Family
ID=34982613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05011589A Expired - Lifetime EP1602425B1 (fr) | 2004-05-29 | 2005-05-30 | Poudre de couverture pour la coulée continue de métaux et sa méthode d'élaboration |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1602425B1 (fr) |
| AT (1) | ATE438471T1 (fr) |
| DE (2) | DE102004026443B3 (fr) |
| ES (1) | ES2331522T3 (fr) |
Cited By (34)
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| AT504328B1 (de) * | 2007-05-22 | 2008-05-15 | Kdm Engineering Gmbh | Verwendung eines zusatzstoffes für einen baustoff und verfahren zur herstellung eines baustoffes |
| US9833942B2 (en) | 2012-04-11 | 2017-12-05 | Whirlpool Corporation | Method to create vacuum insulated cabinets for refrigerators |
| US9835369B2 (en) | 2012-04-02 | 2017-12-05 | Whirlpool Corporation | Vacuum insulated structure tubular cabinet construction |
| US9840042B2 (en) | 2015-12-22 | 2017-12-12 | Whirlpool Corporation | Adhesively secured vacuum insulated panels for refrigerators |
| WO2018002098A1 (fr) * | 2016-06-30 | 2018-01-04 | Refratechnik Holding Gmbh | Corps moulé réfractaire thermo-isolant, en particulier plaque, son procédé de fabrication et son utilisation |
| US10018406B2 (en) | 2015-12-28 | 2018-07-10 | Whirlpool Corporation | Multi-layer gas barrier materials for vacuum insulated structure |
| US10030905B2 (en) | 2015-12-29 | 2018-07-24 | Whirlpool Corporation | Method of fabricating a vacuum insulated appliance structure |
| US10041724B2 (en) | 2015-12-08 | 2018-08-07 | Whirlpool Corporation | Methods for dispensing and compacting insulation materials into a vacuum sealed structure |
| US10052819B2 (en) | 2014-02-24 | 2018-08-21 | Whirlpool Corporation | Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture |
| US10105931B2 (en) | 2014-02-24 | 2018-10-23 | Whirlpool Corporation | Multi-section core vacuum insulation panels with hybrid barrier film envelope |
| US10161669B2 (en) | 2015-03-05 | 2018-12-25 | Whirlpool Corporation | Attachment arrangement for vacuum insulated door |
| US10222116B2 (en) | 2015-12-08 | 2019-03-05 | Whirlpool Corporation | Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system |
| US10345031B2 (en) | 2015-07-01 | 2019-07-09 | Whirlpool Corporation | Split hybrid insulation structure for an appliance |
| US10365030B2 (en) | 2015-03-02 | 2019-07-30 | Whirlpool Corporation | 3D vacuum panel and a folding approach to create the 3D vacuum panel from a 2D vacuum panel of non-uniform thickness |
| US10422573B2 (en) | 2015-12-08 | 2019-09-24 | Whirlpool Corporation | Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein |
| US10422569B2 (en) | 2015-12-21 | 2019-09-24 | Whirlpool Corporation | Vacuum insulated door construction |
| US10429125B2 (en) | 2015-12-08 | 2019-10-01 | Whirlpool Corporation | Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein |
| US10598424B2 (en) | 2016-12-02 | 2020-03-24 | Whirlpool Corporation | Hinge support assembly |
| US10610985B2 (en) | 2015-12-28 | 2020-04-07 | Whirlpool Corporation | Multilayer barrier materials with PVD or plasma coating for vacuum insulated structure |
| US10712080B2 (en) | 2016-04-15 | 2020-07-14 | Whirlpool Corporation | Vacuum insulated refrigerator cabinet |
| US10731915B2 (en) | 2015-03-11 | 2020-08-04 | Whirlpool Corporation | Self-contained pantry box system for insertion into an appliance |
| US10808987B2 (en) | 2015-12-09 | 2020-10-20 | Whirlpool Corporation | Vacuum insulation structures with multiple insulators |
| US10807298B2 (en) | 2015-12-29 | 2020-10-20 | Whirlpool Corporation | Molded gas barrier parts for vacuum insulated structure |
| US10907891B2 (en) | 2019-02-18 | 2021-02-02 | Whirlpool Corporation | Trim breaker for a structural cabinet that incorporates a structural glass contact surface |
| US10907888B2 (en) | 2018-06-25 | 2021-02-02 | Whirlpool Corporation | Hybrid pigmented hot stitched color liner system |
| WO2021023493A1 (fr) | 2019-08-08 | 2021-02-11 | HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung | Procédé de fabrication d'un article destiné à être utilisé dans l'industrie de la fonderie, matériau granulaire et kit correspondants, appareils et utilisations |
| US11009284B2 (en) | 2016-04-15 | 2021-05-18 | Whirlpool Corporation | Vacuum insulated refrigerator structure with three dimensional characteristics |
| US11052579B2 (en) | 2015-12-08 | 2021-07-06 | Whirlpool Corporation | Method for preparing a densified insulation material for use in appliance insulated structure |
| US11175090B2 (en) | 2016-12-05 | 2021-11-16 | Whirlpool Corporation | Pigmented monolayer liner for appliances and methods of making the same |
| US11247369B2 (en) | 2015-12-30 | 2022-02-15 | Whirlpool Corporation | Method of fabricating 3D vacuum insulated refrigerator structure having core material |
| US11320193B2 (en) | 2016-07-26 | 2022-05-03 | Whirlpool Corporation | Vacuum insulated structure trim breaker |
| US11391506B2 (en) | 2016-08-18 | 2022-07-19 | Whirlpool Corporation | Machine compartment for a vacuum insulated structure |
| US11994336B2 (en) | 2015-12-09 | 2024-05-28 | Whirlpool Corporation | Vacuum insulated structure with thermal bridge breaker with heat loop |
| US12070924B2 (en) | 2020-07-27 | 2024-08-27 | Whirlpool Corporation | Appliance liner having natural fibers |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012087091A1 (fr) * | 2010-12-21 | 2012-06-28 | Hanhausen Mariscal Juan Luis | Procédé de production d'une fibre isolante, thermique et organique et produit ainsi obtenu |
| DE102013000527A1 (de) | 2013-01-15 | 2014-07-17 | Hans-Peter Noack | Verfahren zur Abdeckung einer Metallschmelze und Abdeckmaterial |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018633A2 (fr) * | 1979-05-02 | 1980-11-12 | Wacker-Chemie GmbH | Poudre de coulée pour la coulée continue de l'acier |
| JPS5677060A (en) * | 1979-11-30 | 1981-06-25 | Fuji Raito Kogyo Kk | Amorphous particle of pseudo spherical surface shape and its production |
| WO1988006066A1 (fr) * | 1987-02-20 | 1988-08-25 | Dipl.-Ing. Bela Tisza & Co. | Poudre pour coulee continue |
| WO1992017294A1 (fr) * | 1991-03-28 | 1992-10-15 | DIPL.-ING. BELA TISZA & CO. vormals MÜHLENINDUSTRIE FÜR ZERKLEINERUNG UND AUFBEREITUNG GESELLSCHAFT M.B.H. | Procede de production de poudre granulee de coulee continue |
| EP0723828A1 (fr) * | 1995-01-27 | 1996-07-31 | SOLLAC (Société Anonyme) | Poudre de couverture de lingotière de coulée continue de l'acier, notamment d'aciers à très basse teneur en carbone |
| DE19728368C1 (de) * | 1997-07-03 | 1999-03-04 | Georg Heller | Isolierende Abdeckmittel für Stahl |
| WO2001087793A1 (fr) * | 2000-05-17 | 2001-11-22 | Mario Frandino | Procede de production d'agglomerats stabilises a partir d'une cendre de balle de riz ou de paille de riz |
-
2004
- 2004-05-29 DE DE102004026443A patent/DE102004026443B3/de not_active Expired - Fee Related
-
2005
- 2005-05-30 AT AT05011589T patent/ATE438471T1/de not_active IP Right Cessation
- 2005-05-30 ES ES05011589T patent/ES2331522T3/es not_active Expired - Lifetime
- 2005-05-30 DE DE502005007824T patent/DE502005007824D1/de not_active Expired - Lifetime
- 2005-05-30 EP EP05011589A patent/EP1602425B1/fr not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018633A2 (fr) * | 1979-05-02 | 1980-11-12 | Wacker-Chemie GmbH | Poudre de coulée pour la coulée continue de l'acier |
| JPS5677060A (en) * | 1979-11-30 | 1981-06-25 | Fuji Raito Kogyo Kk | Amorphous particle of pseudo spherical surface shape and its production |
| WO1988006066A1 (fr) * | 1987-02-20 | 1988-08-25 | Dipl.-Ing. Bela Tisza & Co. | Poudre pour coulee continue |
| WO1992017294A1 (fr) * | 1991-03-28 | 1992-10-15 | DIPL.-ING. BELA TISZA & CO. vormals MÜHLENINDUSTRIE FÜR ZERKLEINERUNG UND AUFBEREITUNG GESELLSCHAFT M.B.H. | Procede de production de poudre granulee de coulee continue |
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Also Published As
| Publication number | Publication date |
|---|---|
| ES2331522T3 (es) | 2010-01-07 |
| DE102004026443B3 (de) | 2006-02-02 |
| EP1602425B1 (fr) | 2009-08-05 |
| ATE438471T1 (de) | 2009-08-15 |
| DE502005007824D1 (de) | 2009-09-17 |
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