EP0122029B1 - Sandgiessen und Regenerieren von Giessereisand - Google Patents
Sandgiessen und Regenerieren von Giessereisand Download PDFInfo
- Publication number
- EP0122029B1 EP0122029B1 EP19840301529 EP84301529A EP0122029B1 EP 0122029 B1 EP0122029 B1 EP 0122029B1 EP 19840301529 EP19840301529 EP 19840301529 EP 84301529 A EP84301529 A EP 84301529A EP 0122029 B1 EP0122029 B1 EP 0122029B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sand
- fluid bed
- bed section
- temperature range
- treatment temperature
- 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.)
- Expired
Links
- 239000004576 sand Substances 0.000 title claims description 324
- 238000005266 casting Methods 0.000 title claims description 48
- 229910052751 metal Inorganic materials 0.000 title claims description 33
- 239000002184 metal Substances 0.000 title claims description 33
- 239000012530 fluid Substances 0.000 claims description 120
- 238000002485 combustion reaction Methods 0.000 claims description 50
- 239000011230 binding agent Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 32
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 19
- 229910052845 zircon Inorganic materials 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 15
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 6
- 238000005058 metal casting Methods 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 248
- 239000007789 gas Substances 0.000 description 39
- 229920005989 resin Polymers 0.000 description 24
- 239000011347 resin Substances 0.000 description 24
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 239000000779 smoke Substances 0.000 description 7
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000861 Mg alloy Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052609 olivine Inorganic materials 0.000 description 2
- 239000010450 olivine Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 241001417092 Macrouridae Species 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 235000009233 Stachytarpheta cayennensis Nutrition 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
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
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
Definitions
- FIG. 3 there is illustrated the reclaiming apparatus 16 in which sand is reclaimed by being maintained in a treatment temperature range in the presence of a combustion supporting gas.
- the apparatus 10 comprises a series of connected fluid bed sections 51, 52 and 53 and a hopper 54 to which sand to be reclaimed is fed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Claims (14)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB838306492A GB8306492D0 (en) | 1983-03-09 | 1983-03-09 | Casting metal and reclaiming foundry sand |
| GB8306492 | 1983-03-09 | ||
| GB8307451 | 1983-03-17 | ||
| GB838307451A GB8307451D0 (en) | 1983-03-09 | 1983-03-17 | Casting metal |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0122029A2 EP0122029A2 (de) | 1984-10-17 |
| EP0122029A3 EP0122029A3 (en) | 1986-08-13 |
| EP0122029B1 true EP0122029B1 (de) | 1988-07-27 |
Family
ID=26285455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19840301529 Expired EP0122029B1 (de) | 1983-03-09 | 1984-03-08 | Sandgiessen und Regenerieren von Giessereisand |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0122029B1 (de) |
| DE (1) | DE3472906D1 (de) |
| GB (1) | GB2137114B (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT392928B (de) * | 1989-05-02 | 1991-07-10 | Oberleitner Rupert Dipl Ing | Verfahren und einrichtung zur thermischen regenerierung kunstharzgebundener giessereisande |
| WO1991019148A1 (en) * | 1990-06-08 | 1991-12-12 | Bgk Finishing Systems, Inc. | Fluidized bed with submerged infrared lamps |
| US5332139A (en) * | 1990-06-08 | 1994-07-26 | Bgk Finishing Systems, Inc. | Fluidized bed apparatus and method using same |
| US5189813A (en) * | 1991-02-22 | 1993-03-02 | Samuel Strapping Systems Ltd. | Fluidized bed and method of processing material |
| AU677774B2 (en) † | 1992-08-13 | 1997-05-08 | Consolidated Engineering Company, Inc. | Heat treatment of metal castings and integrated sand reclamation |
| US5829509A (en) * | 1996-02-23 | 1998-11-03 | Consolidated Engineering Co, Inc. | Integrated system and process for heat treating castings and reclaiming sand |
| DE29720478U1 (de) * | 1997-11-19 | 1998-01-02 | Eckhard Roleff GmbH Stahlbau und Schlosserei, 73730 Esslingen | Vorrichtung zur Rückgewinnung von im Gießereiwesen verwendetem Formsand |
| EP0979694B1 (de) * | 1998-08-11 | 2003-07-23 | Fata Aluminium Division of Fata Group S.p.A. | Einrichtung und Verfahren zum kontinuierlichen Regenerieren von Altsand |
| US6336809B1 (en) | 1998-12-15 | 2002-01-08 | Consolidated Engineering Company, Inc. | Combination conduction/convection furnace |
| US6217317B1 (en) | 1998-12-15 | 2001-04-17 | Consolidated Engineering Company, Inc. | Combination conduction/convection furnace |
| US6622775B2 (en) | 2000-05-10 | 2003-09-23 | Consolidated Engineering Company, Inc. | Method and apparatus for assisting removal of sand moldings from castings |
| GB2394684B (en) * | 2001-04-05 | 2004-11-03 | Clayton Thermal Processes Ltd | Reclamation treatment of bonded particulates |
| EP1526938B1 (de) | 2002-07-11 | 2012-02-29 | Consolidated Engineering Company, Inc. | Verfahren zur entfernung der sanformen von gussstücken |
| US6901990B2 (en) | 2002-07-18 | 2005-06-07 | Consolidated Engineering Company, Inc. | Method and system for processing castings |
| WO2005089981A1 (en) * | 2004-03-19 | 2005-09-29 | Consolidated Engineering Company, Inc. | System for heat treating castings and reclaiming sand |
| US20060103059A1 (en) | 2004-10-29 | 2006-05-18 | Crafton Scott P | High pressure heat treatment system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB727286A (en) * | 1952-01-23 | 1955-03-30 | Aluminium Lab Ltd | Zoning device for horizontal fluo-solid beds |
| US3212144A (en) * | 1962-06-22 | 1965-10-19 | Frank R Capps | Sand molds for metal casting and methods therefor |
| GB1012575A (en) * | 1963-05-25 | 1965-12-08 | British Cast Iron Res Ass | Improvements in the conditioning of granular or pulverulent materials |
| US3480265A (en) * | 1968-01-04 | 1969-11-25 | Vagn Deve | Shell sand treating apparatus and method |
| GB1293187A (en) * | 1969-11-24 | 1972-10-18 | Upper Canada Mfg Ltd | Improvements relating to the treatment of granular material |
| US3685165A (en) * | 1970-10-12 | 1972-08-22 | Combustion Eng | Thermal sand reclamation unit |
| PL87921B1 (de) * | 1974-03-04 | 1976-07-31 | Przedsiebiorstwo Projektowaniapo | |
| GB1532244A (en) * | 1976-09-29 | 1978-11-15 | Marwin Ltd | Heat exchange units |
| US4508277A (en) * | 1980-09-08 | 1985-04-02 | Andrews Robert S L | Apparatus for reclaiming foundry sand |
| GB2091148A (en) * | 1980-12-16 | 1982-07-28 | Cosworth Research Dev Ltd | Method of and apparatus for treating granular material |
| IT1155658B (it) * | 1982-03-23 | 1987-01-28 | Fata Ind Spa | Sistema e metodo per il recupero delle sabbie contenute in forme ed anime di fonderia mediante calcinazione in un forno a letto fluidizzato |
-
1984
- 1984-03-08 EP EP19840301529 patent/EP0122029B1/de not_active Expired
- 1984-03-08 DE DE8484301529T patent/DE3472906D1/de not_active Expired
- 1984-03-08 GB GB08406118A patent/GB2137114B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0122029A3 (en) | 1986-08-13 |
| GB2137114B (en) | 1986-12-17 |
| DE3472906D1 (en) | 1988-09-01 |
| GB2137114A (en) | 1984-10-03 |
| GB8406118D0 (en) | 1984-04-11 |
| EP0122029A2 (de) | 1984-10-17 |
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