EP1373586A2 - Verfahren zur herstellung von hartmetallgranulat - Google Patents
Verfahren zur herstellung von hartmetallgranulatInfo
- Publication number
- EP1373586A2 EP1373586A2 EP02703390A EP02703390A EP1373586A2 EP 1373586 A2 EP1373586 A2 EP 1373586A2 EP 02703390 A EP02703390 A EP 02703390A EP 02703390 A EP02703390 A EP 02703390A EP 1373586 A2 EP1373586 A2 EP 1373586A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hard metal
- wet sludge
- spray
- producing
- tower
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/026—Spray drying of solutions or suspensions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Definitions
- a solids content of the wet sludge in the range from 70 to 80% by weight has proven to be particularly advantageous.
- the ratio of the amount of water supplied in liters per hour via the wet sludge, based on the tower volume in m 3, is in the range between 0.5 and 1.8 and that a maximum of 0.17 kg of wet sludge is atomized per m 3 of drying gas supplied are.
- the wet sludge has a solids content in the range of 65 to 85 wt.%.
- the temperature conditions and the amount of drying gas supplied provide the amount of energy that is sufficient for the problematic evaporation of the amount of water supplied via the wet sludge. It is advantageous if the tapered section -3-
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Glanulating (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT2312001 | 2001-03-29 | ||
| AT0023101U AT4929U1 (de) | 2001-03-29 | 2001-03-29 | Verfahren zur herstellung von hartmetallgranulat |
| PCT/AT2002/000077 WO2002079532A2 (de) | 2001-03-29 | 2002-03-08 | Verfahren zur herstellung von hartmetallgranulat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1373586A2 true EP1373586A2 (de) | 2004-01-02 |
| EP1373586B1 EP1373586B1 (de) | 2010-08-11 |
Family
ID=3485023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02703390A Expired - Lifetime EP1373586B1 (de) | 2001-03-29 | 2002-03-08 | Verfahren zur herstellung von hartmetallgranulat |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6852274B2 (de) |
| EP (1) | EP1373586B1 (de) |
| JP (1) | JP3697242B2 (de) |
| KR (1) | KR100898842B1 (de) |
| AT (2) | AT4929U1 (de) |
| CA (1) | CA2406372C (de) |
| CZ (1) | CZ304422B6 (de) |
| DE (1) | DE50214577D1 (de) |
| ES (1) | ES2346190T3 (de) |
| IL (1) | IL152968A (de) |
| RU (1) | RU2281835C2 (de) |
| WO (1) | WO2002079532A2 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT6486U1 (de) * | 2003-02-10 | 2003-11-25 | Plansee Tizit Ag | Verfahren zur herstellung eines hartmetallansatzes |
| DE102004053221B3 (de) * | 2004-11-04 | 2006-02-02 | Zschimmer & Schwarz Gmbh & Co. Kg Chemische Fabriken | Flüssigkeit und deren Verwendung zur Aufbereitung von Hartmetallen |
| DE102006043581B4 (de) * | 2006-09-12 | 2011-11-03 | Artur Wiegand | Verfahren und Vorrichtung zur Herstellung einer Hartmetall- oder Cermetmischung |
| US20080289495A1 (en) | 2007-05-21 | 2008-11-27 | Peter Eisenberger | System and Method for Removing Carbon Dioxide From an Atmosphere and Global Thermostat Using the Same |
| US8163066B2 (en) | 2007-05-21 | 2012-04-24 | Peter Eisenberger | Carbon dioxide capture/regeneration structures and techniques |
| US8500857B2 (en) | 2007-05-21 | 2013-08-06 | Peter Eisenberger | Carbon dioxide capture/regeneration method using gas mixture |
| US20140130670A1 (en) | 2012-11-14 | 2014-05-15 | Peter Eisenberger | System and method for removing carbon dioxide from an atmosphere and global thermostat using the same |
| DE102007024818A1 (de) * | 2007-05-29 | 2008-12-04 | Dorst Technologies Gmbh & Co. Kg | Verfahren und Anordnung zum Herstellen eines Metallgranulats |
| US9028592B2 (en) | 2010-04-30 | 2015-05-12 | Peter Eisenberger | System and method for carbon dioxide capture and sequestration from relatively high concentration CO2 mixtures |
| EP2563495B1 (de) | 2010-04-30 | 2019-09-25 | Peter Eisenberger | Verfahren zur abscheidung von kohlendioxid |
| CN102601378A (zh) * | 2011-07-18 | 2012-07-25 | 厦门虹鹭钨钼工业有限公司 | 一种低温燃烧法制备超细钨铜复合粉末的方法 |
| US20130095999A1 (en) | 2011-10-13 | 2013-04-18 | Georgia Tech Research Corporation | Methods of making the supported polyamines and structures including supported polyamines |
| US11059024B2 (en) | 2012-10-25 | 2021-07-13 | Georgia Tech Research Corporation | Supported poly(allyl)amine and derivatives for CO2 capture from flue gas or ultra-dilute gas streams such as ambient air or admixtures thereof |
| US9475945B2 (en) | 2013-10-03 | 2016-10-25 | Kennametal Inc. | Aqueous slurry for making a powder of hard material |
| IN2013CH04500A (de) | 2013-10-04 | 2015-04-10 | Kennametal India Ltd | |
| SG11201604934QA (en) | 2013-12-31 | 2016-07-28 | Eisenberger Peter And Chichilnisky Graciela Jointly | Rotating multi-monolith bed movement system for removing co2 from the atmosphere |
| CZ2014766A3 (cs) * | 2014-11-07 | 2016-02-10 | Vysoká škola chemicko- technologická v Praze | Výroba nanostrukturovaných prášků slitin kobaltu dvoustupňovým mechanickým legováním |
| GB201504072D0 (en) * | 2015-03-10 | 2015-04-22 | Metalysis Ltd | Method of producing metal |
| CN107699283B (zh) * | 2017-11-03 | 2020-11-06 | 河源富马硬质合金股份有限公司 | 一种高蜡比硬质合金石蜡原料的制备方法 |
| CN112692294B (zh) * | 2020-12-22 | 2022-12-09 | 厦门钨业股份有限公司 | 一种高比重钨合金粉末及其制备方法 |
| JP2025518138A (ja) | 2022-05-27 | 2025-06-12 | ゼロ カーボン システムズ インコーポレイテッド | ハイスループット可動パネル直接空気回収システム |
| CN116604022A (zh) * | 2023-05-12 | 2023-08-18 | 中国恩菲工程技术有限公司 | 用于金属和合金的粒化系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE299858C (de) | ||||
| US4070184A (en) * | 1976-09-24 | 1978-01-24 | Gte Sylvania Incorporated | Process for producing refractory carbide grade powder |
| US4397889A (en) * | 1982-04-05 | 1983-08-09 | Gte Products Corporation | Process for producing refractory powder |
| IT1262947B (it) * | 1992-06-17 | 1996-07-22 | Bayer Italia Spa | Granulati, processo per la loro preparazione e loro impiego |
| US5338712A (en) * | 1993-02-04 | 1994-08-16 | Timmino Ltd. | Production of non-explosive fine metallic powders |
| SE9500473D0 (sv) | 1995-02-09 | 1995-02-09 | Sandvik Ab | Method of making metal composite materials |
| US5841045A (en) * | 1995-08-23 | 1998-11-24 | Nanodyne Incorporated | Cemented carbide articles and master alloy composition |
| US5922978A (en) * | 1998-03-27 | 1999-07-13 | Omg Americas, Inc. | Method of preparing pressable powders of a transition metal carbide, iron group metal or mixtures thereof |
| GB9814622D0 (en) * | 1998-07-06 | 1998-09-02 | Biotica Tech Ltd | Polyketides,their preparation,and materials for use therein |
-
2001
- 2001-03-29 AT AT0023101U patent/AT4929U1/de not_active IP Right Cessation
-
2002
- 2002-03-08 RU RU2003131683/02A patent/RU2281835C2/ru not_active IP Right Cessation
- 2002-03-08 WO PCT/AT2002/000077 patent/WO2002079532A2/de not_active Ceased
- 2002-03-08 EP EP02703390A patent/EP1373586B1/de not_active Expired - Lifetime
- 2002-03-08 IL IL152968A patent/IL152968A/en active IP Right Grant
- 2002-03-08 CZ CZ2002-3932A patent/CZ304422B6/cs not_active IP Right Cessation
- 2002-03-08 AT AT02703390T patent/ATE477342T1/de active
- 2002-03-08 JP JP2002577936A patent/JP3697242B2/ja not_active Expired - Lifetime
- 2002-03-08 KR KR1020027014282A patent/KR100898842B1/ko not_active Expired - Lifetime
- 2002-03-08 CA CA2406372A patent/CA2406372C/en not_active Expired - Fee Related
- 2002-03-08 DE DE50214577T patent/DE50214577D1/de not_active Expired - Lifetime
- 2002-03-08 ES ES02703390T patent/ES2346190T3/es not_active Expired - Lifetime
- 2002-11-22 US US10/302,204 patent/US6852274B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO02079532A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3697242B2 (ja) | 2005-09-21 |
| US20030061906A1 (en) | 2003-04-03 |
| KR20030007549A (ko) | 2003-01-23 |
| US6852274B2 (en) | 2005-02-08 |
| RU2003131683A (ru) | 2005-02-10 |
| ES2346190T3 (es) | 2010-10-13 |
| CA2406372C (en) | 2010-09-14 |
| RU2281835C2 (ru) | 2006-08-20 |
| WO2002079532A2 (de) | 2002-10-10 |
| WO2002079532A3 (de) | 2003-02-27 |
| EP1373586B1 (de) | 2010-08-11 |
| ATE477342T1 (de) | 2010-08-15 |
| IL152968A (en) | 2007-10-31 |
| CA2406372A1 (en) | 2002-10-16 |
| CZ304422B6 (cs) | 2014-04-30 |
| IL152968A0 (en) | 2003-06-24 |
| KR100898842B1 (ko) | 2009-05-21 |
| AT4929U1 (de) | 2002-01-25 |
| DE50214577D1 (de) | 2010-09-23 |
| JP2004518825A (ja) | 2004-06-24 |
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