FI873735A0 - Foerfarande och anordning foer foergasning av fast kolhaltigt material. - Google Patents

Foerfarande och anordning foer foergasning av fast kolhaltigt material.

Info

Publication number
FI873735A0
FI873735A0 FI873735A FI873735A FI873735A0 FI 873735 A0 FI873735 A0 FI 873735A0 FI 873735 A FI873735 A FI 873735A FI 873735 A FI873735 A FI 873735A FI 873735 A0 FI873735 A0 FI 873735A0
Authority
FI
Finland
Prior art keywords
kolhaltigt
foergasning
fast
anordning foer
och anordning
Prior art date
Application number
FI873735A
Other languages
English (en)
Inventor
Jorma Nieminen
Original Assignee
Ahlstroem Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI873735A priority Critical patent/FI873735A0/fi
Publication of FI873735A0 publication Critical patent/FI873735A0/fi
Priority to US07/235,077 priority patent/US4929255A/en
Priority to FI883903A priority patent/FI84655C/fi
Priority to EP88113949A priority patent/EP0304931B1/en
Priority to DE198888113949T priority patent/DE304931T1/de
Priority to DE8888113949T priority patent/DE3870099D1/de
Priority to JP63214731A priority patent/JPH0631345B2/ja
Priority to US07/463,462 priority patent/US5154732A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/54Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
    • C10J3/56Apparatus; Plants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/48Apparatus; Plants
    • C10J3/482Gasifiers with stationary fluidised bed
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/48Apparatus; Plants
    • C10J3/52Ash-removing devices
    • C10J3/523Ash-removing devices for gasifiers with stationary fluidised bed
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/54Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • C10K1/026Dust removal by centrifugal forces
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/09Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0983Additives
    • C10J2300/0996Calcium-containing inorganic materials, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/18Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1807Recycle loops, e.g. gas, solids, heating medium, water
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/18Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861Heat exchange between at least two process streams
    • C10J2300/1884Heat exchange between at least two process streams with one stream being synthesis gas
FI873735A 1987-08-28 1987-08-28 Foerfarande och anordning foer foergasning av fast kolhaltigt material. FI873735A0 (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI873735A FI873735A0 (fi) 1987-08-28 1987-08-28 Foerfarande och anordning foer foergasning av fast kolhaltigt material.
US07/235,077 US4929255A (en) 1987-08-28 1988-08-23 Method for gasifying or combusting solid carbonaceous material
FI883903A FI84655C (fi) 1987-08-28 1988-08-24 Foerfarande och anordning foer foergasning eller foerbraenning av fast kolhaltigt material.
EP88113949A EP0304931B1 (en) 1987-08-28 1988-08-26 Method and apparatus for gasifying or combusting solid carbonaceous material
DE198888113949T DE304931T1 (de) 1987-08-28 1988-08-26 Methode und vorrichtung zur vergasung oder verbrennung von festen kohlenstoffhaltigen materialien.
DE8888113949T DE3870099D1 (de) 1987-08-28 1988-08-26 Methode und vorrichtung zur vergasung oder verbrennung von festen kohlenstoffhaltigen materialien.
JP63214731A JPH0631345B2 (ja) 1987-08-28 1988-08-29 固体炭素質材料をガス化もしくは燃焼させる方法及び装置
US07/463,462 US5154732A (en) 1987-08-28 1990-01-11 Apparatus for gasifying or combusting solid carbonaceous

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI873735A FI873735A0 (fi) 1987-08-28 1987-08-28 Foerfarande och anordning foer foergasning av fast kolhaltigt material.

Publications (1)

Publication Number Publication Date
FI873735A0 true FI873735A0 (fi) 1987-08-28

Family

ID=8524951

Family Applications (1)

Application Number Title Priority Date Filing Date
FI873735A FI873735A0 (fi) 1987-08-28 1987-08-28 Foerfarande och anordning foer foergasning av fast kolhaltigt material.

Country Status (5)

Country Link
US (2) US4929255A (fi)
EP (1) EP0304931B1 (fi)
JP (1) JPH0631345B2 (fi)
DE (2) DE3870099D1 (fi)
FI (1) FI873735A0 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113355137A (zh) * 2021-06-10 2021-09-07 中国科学院工程热物理研究所 一种循环流化床的返料装置

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85909C (fi) * 1989-02-22 1992-06-10 Ahlstroem Oy Anordning foer foergasning eller foerbraenning av fast kolhaltigt material.
DE3922765A1 (de) * 1989-07-11 1991-01-17 Babcock Werke Ag Feuerung, insbesondere wirbelschichtfeuerung
US5133950A (en) * 1990-04-17 1992-07-28 A. Ahlstrom Corporation Reducing N2 O emissions when burning nitrogen-containing fuels in fluidized bed reactors
DE4131962C2 (de) 1991-09-25 1998-03-26 Hismelt Corp Pty Ltd Verfahren und Vorrichtung zur Behandlung von heissen Gasen mit Feststoffen in einem Wirbelbett
FI89074C (fi) * 1991-12-03 1993-08-10 Ahlstroem Oy Foerfarande och anordning foer foergasning eller foerbraenning av fast kolhaltigt material
US5339774A (en) * 1993-07-06 1994-08-23 Foster Wheeler Energy Corporation Fluidized bed steam generation system and method of using recycled flue gases to assist in passing loopseal solids
SE503064C2 (sv) * 1993-09-24 1996-03-18 Gen Process Aa Ab Sätt att utvinna energi genom förgasning, samt därför avsedd reaktor
DE4413923C2 (de) * 1994-04-21 2001-11-29 Rheinische Braunkohlenw Ag Verfahren zum Erzeugen von Synthese- und/oder Brenngas in einem Hochtemperatur-Winkler-Vergaser
AT403168B (de) * 1995-11-02 1997-11-25 Voest Alpine Ind Anlagen Verfahren und einrichtung zum rückführen eines aus einem reaktorgefäss mit einem gas ausgetragenen feinteiligen feststoffes
SE9601393L (sv) * 1996-04-12 1997-10-13 Abb Carbon Ab Förfarande för förbränning och förbränningsanläggning
AT404022B (de) * 1996-11-08 1998-07-27 Voest Alpine Ind Anlagen Verfahren und anlage zur herstellung von flüssigem roheisen oder stahlvorprodukten aus eisenhältigemmaterial
ES2424815T3 (es) * 1997-12-09 2013-10-08 Pyroneer A/S Método y aparato para la gasificación de material carbonáceo sólido
FR2778362B1 (fr) 1998-05-05 2000-07-28 Flexico France Sarl Procede de realisation de sachets comportant des profiles de fermeture actionnes par curseur
US6598547B1 (en) * 1999-03-12 2003-07-29 Eisenmann Maschinenbau Kg Method for disposing of hazardous and high-energy materials and device for carrying out said method
US6216612B1 (en) * 1999-09-01 2001-04-17 American Electric Power Service Corporation Ultra fine fly ash and a system for collecting the same
AU2921101A (en) * 1999-11-02 2001-05-14 Consolidated Engineering Company, Inc. Method and apparatus for combustion of residual carbon in fly ash
US7047894B2 (en) * 1999-11-02 2006-05-23 Consolidated Engineering Company, Inc. Method and apparatus for combustion of residual carbon in fly ash
US6439771B1 (en) 2000-03-15 2002-08-27 Webster Industries Division Chelsea Industries, Inc. Zippered resealable closure
WO2005090526A1 (en) * 2004-03-11 2005-09-29 Sasol Technology (Proprietary) Limited Gasification of carbonaceous material
FR2871554A1 (fr) * 2004-06-11 2005-12-16 Alstom Technology Ltd Procede de conversion energetique de combustibles solides minimisant la consommation d'oxygene
KR20120116992A (ko) * 2004-06-28 2012-10-23 콘솔리데이티드 엔지니어링 캄파니, 인크. 주물로부터의 플래싱 및 방해물의 제거를 위한 방법 및 장치
US20060130401A1 (en) * 2004-12-16 2006-06-22 Foster Wheeler Energy Corporation Method of co-producing activated carbon in a circulating fluidized bed gasification process
US7462235B2 (en) * 2006-05-03 2008-12-09 Progress Materials, Inc. System and method for decomposing ammonia from fly ash
US20070289713A1 (en) * 2006-06-15 2007-12-20 Crafton Scott P Methods and system for manufacturing castings utilizing an automated flexible manufacturing system
US7722690B2 (en) * 2006-09-29 2010-05-25 Kellogg Brown & Root Llc Methods for producing synthesis gas
MY162693A (en) * 2007-05-14 2017-07-14 Keda Ind Co Ltd A circulating coal fluidized bed coal gas producer system
EP2149595B1 (en) * 2007-05-14 2013-07-17 Keda Industrial Co., Ltd. A method for producing coal gas
CN101063050B (zh) * 2007-05-14 2010-05-26 广东科达机电股份有限公司 一种煤气生产方法
FI122786B (fi) * 2007-07-20 2012-06-29 Upm Kymmene Oyj Synteettisten hiilivetyketjujen valmistuksessa syntyvän hiilidioksidin käyttö
ES2483723T3 (es) * 2008-04-01 2014-08-07 Alstom Technology Ltd Procedimiento para usar una instalación para quemar materiales carbonosos e instalación relacionada
US8357216B2 (en) * 2009-04-01 2013-01-22 Phillips 66 Company Two stage dry feed gasification system and process
ES2421210T3 (es) * 2009-06-12 2013-08-29 Alstom Technology Ltd Sistema para conversión de material combustible
US20120028200A1 (en) * 2009-10-20 2012-02-02 James Kenneth Hicks Burnout of residual carbon in coal fly ash using air cyclones
US8580151B2 (en) 2009-12-18 2013-11-12 Lummus Technology Inc. Flux addition as a filter conditioner
DE102010006192A1 (de) * 2010-01-29 2011-08-04 Uhde GmbH, 44141 Verfahren zur Biomasse-Vergasung in einer Wirbelschicht
WO2012059016A1 (zh) * 2010-11-01 2012-05-10 广州迪森热能技术股份有限公司 生物质气化工艺
JP5605508B2 (ja) * 2011-06-22 2014-10-15 株式会社Ihi 循環流動層式ガス化炉
CN104053753B (zh) * 2011-06-24 2016-01-20 综合能源有限公司 捕捉和回收利用微粒的系统及方法
EP2771434A4 (en) * 2011-10-26 2016-01-13 Res Usa Llc POT-BUFFER DESIGN
CN103542407A (zh) * 2013-10-28 2014-01-29 凤阳海泰科能源环境管理服务有限公司 一种循环流化床锅炉飞灰再循环装置及飞灰再循环方法
EP3186554B1 (en) * 2014-07-04 2019-09-18 Tubitak Method for operating a circulating fluidized bed gasification or combustion system
DE102017210044A1 (de) * 2017-06-14 2018-12-20 Thyssenkrupp Ag Nachbehandlungsanordnung und Verfahren zum Nachbehandeln von zumindest Gasen stromab einer Wirbelschichtvergasung sowie Logikeinheit und Verwendung
CN108504395B (zh) * 2018-04-25 2020-11-10 新奥科技发展有限公司 一种煤气化装置
CN108822896B (zh) * 2018-06-29 2020-06-05 新奥科技发展有限公司 一种气化方法以及气化装置
CN113265273B (zh) * 2021-05-19 2022-07-29 新奥科技发展有限公司 双流化床煤气化系统及其控制方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2700599A (en) * 1949-04-30 1955-01-25 Hydrocarbon Research Inc Gasification of solid carbonaceous materials
US3847566A (en) * 1973-04-12 1974-11-12 Exxon Research Engineering Co Fluidized bed gasification process with reduction of fines entrainment by utilizing a separate transfer line burner stage
JPS573719B2 (fi) * 1973-08-16 1982-01-22
US3884649A (en) * 1973-10-29 1975-05-20 Inst Gas Technology Coal pretreater and ash agglomerating coal gasifier
US3867110A (en) * 1973-12-17 1975-02-18 Inst Gas Technology Method of coal pretreatment
US3932146A (en) * 1974-07-11 1976-01-13 Exxon Research And Engineering Company Process for the fluid bed gasification of agglomerating coals
JPS51127101A (en) * 1975-04-26 1976-11-05 Kawasaki Heavy Ind Ltd A heat recovering process from hot gas containing tar or tar and dust
US4165717A (en) * 1975-09-05 1979-08-28 Metallgesellschaft Aktiengesellschaft Process for burning carbonaceous materials
US4072130A (en) * 1976-12-01 1978-02-07 The Ducon Company, Inc. Apparatus and method for generating steam
US4103646A (en) * 1977-03-07 1978-08-01 Electric Power Research Institute, Inc. Apparatus and method for combusting carbonaceous fuels employing in tandem a fast bed boiler and a slow boiler
US4177741A (en) 1978-06-19 1979-12-11 Foster Wheeler Energy Corporation System and method for improving the reaction efficiency of a fluidized bed
DE2909657C2 (de) * 1979-03-12 1982-10-07 Didier Engineering Gmbh, 4300 Essen Verfahren und Vorrichtung zur Vergasung von körnigem Brennstoff
JPS5632591A (en) * 1979-08-28 1981-04-02 Babcock Hitachi Kk Gasification of tar
US4315758A (en) * 1979-10-15 1982-02-16 Institute Of Gas Technology Process for the production of fuel gas from coal
DE2947222A1 (de) * 1979-11-23 1981-05-27 Carbon Gas Technologie GmbH, 4030 Ratingen Verfahren zur vergasung von festem, staubfoermig bis stueckigem kohlestoffhaltigem material
JPS5698286A (en) * 1980-01-09 1981-08-07 Babcock Hitachi Kk Method for recovering heat in coal gasifying plant
JPS57162353A (en) * 1981-03-31 1982-10-06 Nec Corp Package for semiconductor device
ZA827775B (en) * 1981-11-02 1983-08-31 Allis Chalmers Rotary kiln coal gasifier with tar injection to suppress dust entrainment in gas
US4400181A (en) * 1982-01-28 1983-08-23 Hydrocarbon Research, Inc. Method for using fast fluidized bed dry bottom coal gasification
US4424766A (en) * 1982-09-09 1984-01-10 Boyle Bede Alfred Hydro/pressurized fluidized bed combustor
US4483692A (en) * 1983-01-27 1984-11-20 Institute Of Gas Technology Process for the recycling of coal fines from a fluidized bed coal gasification reactor
FR2556983B1 (fr) * 1983-12-23 1986-05-16 Creusot Loire Procede et installation de traitement de matieres en lit fluidise, en particulier pour la combustion ou gazeification de matiere combustible
FR2563118B1 (fr) * 1984-04-20 1987-04-30 Creusot Loire Procede et installation de traitement de matiere en lit fluidise circulant
US4672918A (en) * 1984-05-25 1987-06-16 A. Ahlstrom Corporation Circulating fluidized bed reactor temperature control
US4843981A (en) * 1984-09-24 1989-07-04 Combustion Power Company Fines recirculating fluid bed combustor method and apparatus
US4579070A (en) * 1985-03-01 1986-04-01 The M. W. Kellogg Company Reducing mode circulating fluid bed combustion
FR2586941B1 (fr) * 1985-09-09 1987-12-04 Framatome Sa Dispositif de traitement de matieres solides sous forme de particules, en lit fluidise circulant, en particulier dispositif de gazeification
US4676177A (en) * 1985-10-09 1987-06-30 A. Ahlstrom Corporation Method of generating energy from low-grade alkaline fuels
DE3625992A1 (de) * 1986-07-31 1988-02-04 Steinmueller Gmbh L & C Verfahren zum verbrennen von kohlenstoffhaltigen materialien in einer zirkulierenden wirbelschicht und wirbelschichtfeuerungsanlage zur durchfuehrung des verfahrens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113355137A (zh) * 2021-06-10 2021-09-07 中国科学院工程热物理研究所 一种循环流化床的返料装置

Also Published As

Publication number Publication date
US4929255A (en) 1990-05-29
DE3870099D1 (de) 1992-05-21
DE304931T1 (de) 1989-12-28
JPH01144493A (ja) 1989-06-06
JPH0631345B2 (ja) 1994-04-27
US5154732A (en) 1992-10-13
EP0304931A3 (en) 1989-09-13
EP0304931A2 (en) 1989-03-01
EP0304931B1 (en) 1992-04-15

Similar Documents

Publication Publication Date Title
FI873735A0 (fi) Foerfarande och anordning foer foergasning av fast kolhaltigt material.
FI880389A (fi) Foerfarande och anordning foer mikroionisering av fast material i en straolkvarn.
FI882975A (fi) Foerfarande och anordning foer reduktion av metalloxidhaltigt material.
FI905032A0 (fi) Foerfarande och anordning foer foeraedlande av organiskt material.
FI905368A0 (fi) Antiballistiska material och foerfarande foer framstaellning av desamma.
FI885824A (fi) Material foer och fraemstaellning av eld- och vaermebestaendiga komponenter.
FI884741A (fi) Alloplastiskt material foer bildning av konstgjorda och/eller foerstaerkning av naturliga mjukvaevnadsdelar.
FI882433A (fi) Foerfarande och anordning foer elektrostatisk beskiktning med ledande material.
FI882647A0 (fi) Foerfarande och anordning foer torkning och kalcinering av pulverliknande material.
FI874096A0 (fi) Foerfarande och anordning foer torkning av fast material.
FI854236L (fi) Foerfarande och material foer fogning av tubartat livsmedelsskal.
FI903821A0 (fi) Foerfarande foer foerminskning av material och anordning foer genomfoerande av foerfarandet.
FI884113A0 (fi) Formade foeremaol av termoplastiskt material och foerfarande foer framstaellning av dessa.
FI905119A0 (fi) Material foer avlaegsnande av suspenderade foeroreningar och deras anvaendning.
FI873598A0 (fi) Skoermalning och extraktion av material fraon djur och plantor.
FI854735A0 (fi) Foerfarande och anordning foer framstaellning av en klassificerad fraktion av finfoerdelat material.
FI872695A0 (fi) Foerfarande och anordning foer torkning av partikelformigt material.
FI884270A0 (fi) Foerfarande foer framstaellning av supraledande material och sao erhaollna material.
FI891709A0 (fi) Avstrykare foer kornigt material och stenar.
FI884015A (fi) Wellpappspole foer transport och avvindning av rullar av laongstraeckt material.
FI884277A0 (fi) Anordning foer inkrustering och pillerformning av kornformiga material.
FI904664A0 (fi) Ihaolig snaeckskruv av bandformigt material och foerfarande foer framstaellning av densamma.
FI894002A (fi) Foerfarande och anordning foer framstaellning av fibroest material.
FI895055A0 (fi) Foerfarande och anordning foer inmatning av fast material i en foerbraennings- eller foergasningsreaktor.
FI872971A0 (fi) Saett och anordning foer foerflyttning av material.

Legal Events

Date Code Title Description
FD Application lapsed

Owner name: A. AHLSTROEM OY