DD143561A5 - Verfahren und vorrichtung zur regenerierung von giesserei-altsand - Google Patents

Verfahren und vorrichtung zur regenerierung von giesserei-altsand Download PDF

Info

Publication number: DD143561A5
Authority: DD; German Democratic Republic
Prior art keywords: sand; drum; grains; treatment; item
Prior art date: 1978-04-14

Application number

DD79212120A

Other languages

German (de)

English (en)

Inventor

Franz Hofmann

Franz Satmer

Original Assignee

Fischer Ag Georg

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.)

1978-04-14

Filing date

1979-04-10

Publication date

1980-09-03

1979-04-10 Application filed by Fischer Ag Georg filed Critical Fischer Ag Georg

1980-09-03 Publication of DD143561A5 publication Critical patent/DD143561A5/de

Links

238000000034 method Methods 0.000 title claims description 18
230000001172 regenerating effect Effects 0.000 title 1
239000004576 sand Substances 0.000 claims description 114
239000000126 substance Substances 0.000 claims description 19
239000011230 binding agent Substances 0.000 claims description 18
230000008929 regeneration Effects 0.000 claims description 14
238000011069 regeneration method Methods 0.000 claims description 14
239000004927 clay Substances 0.000 claims description 13
239000002699 waste material Substances 0.000 claims description 9
239000007788 liquid Substances 0.000 claims description 6
238000005201 scrubbing Methods 0.000 claims description 4
239000010802 sludge Substances 0.000 claims description 4
238000000926 separation method Methods 0.000 claims description 3
239000007921 spray Substances 0.000 claims description 2
230000003111 delayed effect Effects 0.000 claims 1
239000002245 particle Substances 0.000 claims 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 110
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
235000021388 linseed oil Nutrition 0.000 description 7
239000000944 linseed oil Substances 0.000 description 7
239000003570 air Substances 0.000 description 5
239000000440 bentonite Substances 0.000 description 5
229910000278 bentonite Inorganic materials 0.000 description 5
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 5
239000000428 dust Substances 0.000 description 5
239000006004 Quartz sand Substances 0.000 description 4
229910000147 aluminium phosphate Inorganic materials 0.000 description 4
238000001035 drying Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
208000035874 Excoriation Diseases 0.000 description 3
238000005299 abrasion Methods 0.000 description 3
238000000137 annealing Methods 0.000 description 3
238000005266 casting Methods 0.000 description 3
239000002817 coal dust Substances 0.000 description 3
230000002349 favourable effect Effects 0.000 description 3
239000010410 layer Substances 0.000 description 3
239000000463 material Substances 0.000 description 3
JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 3
KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
230000001133 acceleration Effects 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
238000010410 dusting Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000011068 loading method Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000003472 neutralizing effect Effects 0.000 description 2
238000009527 percussion Methods 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
229920001568 phenolic resin Polymers 0.000 description 2
239000005011 phenolic resin Substances 0.000 description 2
239000010453 quartz Substances 0.000 description 2
239000002002 slurry Substances 0.000 description 2
238000005507 spraying Methods 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
235000008694 Humulus lupulus Nutrition 0.000 description 1
244000025221 Humulus lupulus Species 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
238000007605 air drying Methods 0.000 description 1
ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
239000012080 ambient air Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
238000005203 dry scrubbing Methods 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000003292 glue Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000003110 molding sand Substances 0.000 description 1
238000000465 moulding Methods 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
239000003921 oil Substances 0.000 description 1
235000019198 oils Nutrition 0.000 description 1
239000011148 porous material Substances 0.000 description 1
235000019353 potassium silicate Nutrition 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000007528 sand casting Methods 0.000 description 1
238000009991 scouring Methods 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000002344 surface layer Substances 0.000 description 1
229920003002 synthetic resin Polymers 0.000 description 1
239000000057 synthetic resin Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
- B01F29/64—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with stirring devices moving in relation to the receptacle, e.g. rotating
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S241/00—Solid material comminution or disintegration
- Y10S241/10—Foundry sand treatment

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Mold Materials And Core Materials (AREA)
Processing Of Solid Wastes (AREA)
Molds, Cores, And Manufacturing Methods Thereof (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

DD79212120A 1978-04-14 1979-04-10 Verfahren und vorrichtung zur regenerierung von giesserei-altsand DD143561A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH401178A CH631643A5 (de)	1978-04-14	1978-04-14	Verfahren zur regenerierung von giesserei-altsand sowie einrichtung zur durchfuehrung des verfahrens und erzeugnis des verfahrens.

Publications (1)

Publication Number	Publication Date
DD143561A5 true DD143561A5 (de)	1980-09-03

Family

ID=4268133

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD79212120A DD143561A5 (de)	1978-04-14	1979-04-10	Verfahren und vorrichtung zur regenerierung von giesserei-altsand

Country Status (17)

Country	Link
US (1)	US4274360A (cs)
JP (1)	JPS54138815A (cs)
AT (1)	AT381253B (cs)
CH (1)	CH631643A5 (cs)
CS (1)	CS216549B2 (cs)
DD (1)	DD143561A5 (cs)
DE (1)	DE2909408C2 (cs)
DK (1)	DK154873C (cs)
FI (1)	FI65029C (cs)
FR (1)	FR2422458A1 (cs)
GB (1)	GB2018650B (cs)
IT (1)	IT1118464B (cs)
NL (1)	NL182708C (cs)
NO (1)	NO791219L (cs)
PL (1)	PL214678A1 (cs)
SE (1)	SE438799B (cs)
SU (1)	SU1055322A3 (cs)

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US4831959A (en) *	1980-11-19	1989-05-23	Turner Harold D	Blender for applying finely dispersed liquid droplets of resins and/or waxes on surfaces of particulate wood materials
DE3122266C2 (de) *	1981-06-04	1985-04-18	Krämer + Grebe GmbH & Co KG Maschinenfabrik, 3560 Biedenkopf	Verfahren und Vorrichtung zum Zerkleinern von Gut
DE3310031A1 (de) *	1983-03-19	1984-09-20	Driam Metallprodukt Gmbh & Co Kg, 7991 Eriskirch	Dragiervorrichtung mit dragiertrommel
DE3400648A1 (de) *	1984-01-11	1985-07-18	Delta Engineering Beratung und Vermittlung Gesellschaft mbH, Irdning	Vorrichtung und verfahren zur regeneration von giesserei-schuttsand
US4674691A (en) *	1985-10-24	1987-06-23	Didion Manufacturing Company	Dual sand reclaimer
CH680498A5 (cs) *	1989-11-28	1992-09-15	Fischer Ag Georg
CH680499A5 (cs) *	1989-12-15	1992-09-15	Fischer Ag Georg
GB2238741B (en) *	1989-11-28	1993-09-15	Fischer Ag Georg	Device for treatment of bulk material
CH679135A5 (cs) *	1989-12-06	1991-12-31	Fischer Ag Georg
CH681434A5 (cs) *	1990-01-31	1993-03-31	Fischer Ag Georg
US5211215A (en) *	1990-02-14	1993-05-18	Sommer Hermann W	Process for neutralizing regenerated sand
DE4004553C1 (cs) *	1990-02-14	1991-10-10	Saz Sommer Aluminium Zug Ag, Zug, Ch
CH682986A5 (de) *	1990-03-08	1993-12-31	Fischer Ag Georg	Verfahren zur chargenweisen Regenerierbehandlung von überwiegend tongebundenem Giesserei-Altsand.
CH682056A5 (cs) *	1990-03-08	1993-07-15	Fischer Ag Georg
DE4111726C2 (de) *	1991-04-10	1994-02-24	Kgt Giessereitechnik Gmbh	Verfahren zur mechanischen Reinigung von Gießereialtsand
CH687858A5 (de) *	1992-07-01	1997-03-14	Fischer Georg Giessereianlagen	Einrichtung zur Regenerierung von Giesserei-Sand.
DE4224493A1 (de) *	1992-07-24	1994-01-27	Boenisch Dietmar	Verfahren und Vorrichtung zum Regenerieren von Giessereisand
CH688543A5 (de) *	1992-10-28	1997-11-14	Fischer Georg Giessereianlagen	Verfahren zum Regenerieren von magnetische Anteile aufweisendem Giesserei-Altsand.
DE4322947B4 (de) *	1992-11-27	2006-02-02	Förder- und Anlagentechnik GmbH	Anordnung zur Verbesserung der Verarbeitungsgeigenschaften von Sanden
DE4316610A1 (de) *	1993-05-18	1994-11-24	Gut Gieserei Umwelt Technik Gm	Öko-Sandregenerierung mech./pneum. im Chargenbetrieb
CH690322A5 (de) *	1995-10-04	2000-07-31	Georg Fischer Disa Ag	Verfahren und Vorrichtung zur Regenerierung von Giesserei-Altsand.
WO2011064461A1 (fr) *	2009-11-25	2011-06-03	Solios Carbone	Procédé et machine de fabrication de pâte, notamment de pâte carbonée pour la réalisation d'électrodes de production d'aluminium
JP6083733B2 (ja) *	2012-11-12	2017-02-22	日工株式会社	連続式ミキサ
JP2017517472A (ja) *	2014-05-30	2017-06-29	コーニングインコーポレイテッド	メタリン酸アルミニウムのボールミル粉砕方法
RU2564212C1 (ru) *	2014-07-14	2015-09-27	Алексей Гавриилович Афанасьев	Способ смешивания и измельчения материалов
RU2555913C1 (ru) *	2014-07-14	2015-07-10	Алексей Гавриилович Афанасьев	Способ смешивания и измельчения материалов
CN105149505B (zh) *	2015-07-24	2017-08-15	共享铸钢有限公司	一种铸造用新旧砂混合系统及其混砂方法
RU2614794C2 (ru) *	2015-09-17	2017-03-29	Общество с ограниченной ответственностью "ГрандМилз" (ООО "ГрандМилз")	Способ и устройство для измельчения сыпучих материалов
CN109569803A (zh) *	2017-09-28	2019-04-05	新昌县扬中磨具有限公司	一种球磨机
CN109569810A (zh) *	2017-09-28	2019-04-05	新昌县扬中磨具有限公司	一种便于加工的球磨机
FI129594B (fi) *	2019-04-24	2022-05-13	Finn Recycling Oy	Voimalaitoskattilahiekka
CN110918874A (zh) *	2019-12-30	2020-03-27	新兴铸管阜康能源有限公司	一种环保砂芯生产系统
JP2025540263A (ja) *	2022-12-06	2025-12-11	ヒュッテネス－アルベルトゥスヒェーミッシェヴェルケゲゼルシャフトミットベシュレンクテルハフツング	２つ以上のサイクルを含む成形材料サイクルにおいて成形材料を案内するための方法
TW202435990A (zh) *	2022-12-06	2024-09-16	德商哈登斯雅伯特斯化學威基有限公司	在包括兩個或更多週期的模製材料循環中導引模製材料之方法
EP4630183A1 (de) *	2022-12-06	2025-10-15	HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung	Verfahren zum führen eines formstoffs in einem zwei oder mehr zyklen umfassenden formstoffkreislauf
WO2024121195A1 (de) *	2022-12-06	2024-06-13	HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung	Verfahren zum verringern von kohlenstoffbasierten emissionen und/oder kohlenstoffbasierten gussfehlern während eines zwei oder mehr zyklen umfassenden formstoffkreislaufs eines smektit-haltigen ton enthaltenden formstoffs
CN119282022A (zh) *	2024-10-10	2025-01-10	中国航发北京航空材料研究院	一种卧式碗形混砂机和混砂方法

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US2274502A (en) *	1939-02-13	1942-02-24	Beardsley & Piper Co	Mulling apparatus
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US3285223A (en) *	1963-12-09	1966-11-15	Archer Daniels Midland Co	Apparatus for coating granules
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DE2161030A1 (de) *	1971-12-09	1973-06-14	Demag Ag	Einrichtung zum kontinuierlichen kuehlen von gebrauchtem formsand fuer giessereien
DE2252217A1 (de) *	1972-10-25	1974-05-09	Halbergerhuette Gmbh	Verfahren zum rueckgewinnen von formgrundstoff
DE2252259A1 (de) *	1972-10-25	1974-05-09	Halbergerhuette Gmbh	Einrichtung zum rueckgewinnen von giesserei-formgrundstoff
FR2278424A1 (fr) *	1974-06-10	1976-02-13	Sapic	Procede et appareil pour le nettoyage mecanique et pneumatique et le depoussierage d'une substance granuleuse et/ou pulverulente
DE2318896C3 (de) *	1974-08-07	1976-01-08	Hermann 2105 Seevetal Jacob	Verfahren und Vorrichtung zum Aufbereiten von mit Bindemittel umhülltem Gie Bereisend
CA1050209A (en) *	1974-12-16	1979-03-13	Ford Motor Company Of Canada	Sand reclamation and purification
IT1038788B (it) *	1975-06-09	1979-11-30	Valsecchi A	Perfezionamento ai dispositivi par ticolarmente utilizzabili per il razionale recupero delle sabbie impiegate nelle fonderie e relatici oi spositivi perfezionati
JPS526021A (en) *	1975-07-03	1977-01-18	Toshiba Corp	Multi-tube type color television camera unit
CH602172A5 (cs) *	1975-10-10	1978-07-31	Fischer Ag Georg
JPS52122962A (en) *	1976-04-07	1977-10-15	Nippon Jiriyoku Senkou Kk	Rotaryytype impact crusher
JPS52141419A (en) *	1976-05-20	1977-11-25	Tomio Ino	Sand refining apparatus

1978
- 1978-04-14 CH CH401178A patent/CH631643A5/de not_active IP Right Cessation
1979
- 1979-03-05 AT AT0163379A patent/AT381253B/de not_active IP Right Cessation
- 1979-03-09 DE DE2909408A patent/DE2909408C2/de not_active Expired
- 1979-03-29 FI FI791057A patent/FI65029C/fi not_active IP Right Cessation
- 1979-04-04 US US06/026,891 patent/US4274360A/en not_active Expired - Lifetime
- 1979-04-04 PL PL21467879A patent/PL214678A1/xx unknown
- 1979-04-05 NL NLAANVRAGE7902679,A patent/NL182708C/xx not_active IP Right Cessation
- 1979-04-10 DD DD79212120A patent/DD143561A5/de unknown
- 1979-04-10 NO NO791219A patent/NO791219L/no unknown
- 1979-04-11 CS CS792461A patent/CS216549B2/cs unknown
- 1979-04-11 GB GB7912716A patent/GB2018650B/en not_active Expired
- 1979-04-11 SE SE7903266A patent/SE438799B/sv not_active IP Right Cessation
- 1979-04-11 FR FR7909174A patent/FR2422458A1/fr active Granted
- 1979-04-11 DK DK154179A patent/DK154873C/da not_active IP Right Cessation
- 1979-04-13 IT IT67796/79A patent/IT1118464B/it active
- 1979-04-13 SU SU792750752A patent/SU1055322A3/ru active
- 1979-04-13 JP JP4446879A patent/JPS54138815A/ja active Pending

Also Published As

Publication number	Publication date
GB2018650A (en)	1979-10-24
SU1055322A3 (ru)	1983-11-15
FI65029C (fi)	1984-03-12
FI791057A7 (fi)	1979-10-15
JPS54138815A (en)	1979-10-27
FI65029B (fi)	1983-11-30
IT7967796A0 (it)	1979-04-13
DE2909408A1 (de)	1979-10-18
SE7903266L (sv)	1979-10-15
AT381253B (de)	1986-09-25
US4274360A (en)	1981-06-23
CH631643A5 (de)	1982-08-31
NL182708C (nl)	1988-05-02
NL7902679A (nl)	1979-10-16
ATA163379A (de)	1986-02-15
PL214678A1 (cs)	1980-01-14
DK154873C (da)	1989-06-19
GB2018650B (en)	1982-06-16
NL182708B (nl)	1987-12-01
NO791219L (no)	1979-10-16
FR2422458A1 (fr)	1979-11-09
FR2422458B1 (cs)	1985-03-22
DK154179A (da)	1979-10-15
IT1118464B (it)	1986-03-03
DE2909408C2 (de)	1984-10-11
DK154873B (da)	1989-01-02
CS216549B2 (en)	1982-11-26
SE438799B (sv)	1985-05-13

Publication	Publication Date	Title
DD143561A5 (de)	1980-09-03	Verfahren und vorrichtung zur regenerierung von giesserei-altsand
DE4190731C1 (cs)	1993-02-11
EP0343272A1 (de)	1989-11-29	Verfahren und Vorrichtung zum Regenieren von Giessereialtsanden
DE102015108257A1 (de)	2016-12-01	Vorrichtung und Verfahren zur Bearbeitung von Betonsteinen
CH681283A5 (cs)	1993-02-26
EP0597335B1 (de)	1997-07-23	Verfahren und Vorrichtung zum Regenerieren von Giessereialtsand
WO1993020964A1 (de)	1993-10-28	Verfahren und vorrichtung zum regenerieren von giessereisand
EP0484866A2 (de)	1992-05-13	Verfahren zur umweltschonenden, gefahrlosen Entsorgung von asbesthaltigen Massen sowie Vorrichtung zur Durchführung des Verfahrens
EP3202927B1 (de)	2018-03-28	Verfahren und vorrichtung zum regenerieren von giessereisand
DE3201284A1 (de)	1983-08-04	Verfahren zum entgraten und schlichteueberziehen von geschossenen giesskernen
EP0899040A1 (de)	1999-03-03	Verfahren zum Reinigen eines Schiesskopfes
DE10083662B4 (de)	2005-07-07	Verfahren zum Mischen von Kohlenasche und Verfahren zur Entschwefelung
AT402480B (de)	1997-05-26	Verfahren zur regenerierbehandlung von überwiegend tongebundenem giesserei-altsand
DE102005029742B3 (de)	2006-08-24	Verfahren zum Behandeln von Gießereiformstoffen
DE3147605A1 (de)	1982-08-12	Verfahren und vorrichtung zur herstellung von fertigbearbeitungskoerpern
EP0149595A2 (de)	1985-07-24	Verfahren und Vorrichtung zur Regenerierung von Giessereischuttsanden
DE102008038754A1 (de)	2010-02-18	Verfahren zum Wiederverwenden von Lacküberschuss
CH687858A5 (de)	1997-03-14	Einrichtung zur Regenerierung von Giesserei-Sand.
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