DD296867A5 - Verfahren zur regenerierung von gebrauchten gruenem formsand - Google Patents
Verfahren zur regenerierung von gebrauchten gruenem formsand Download PDFInfo
- Publication number
- DD296867A5 DD296867A5 DD90342814A DD34281490A DD296867A5 DD 296867 A5 DD296867 A5 DD 296867A5 DD 90342814 A DD90342814 A DD 90342814A DD 34281490 A DD34281490 A DD 34281490A DD 296867 A5 DD296867 A5 DD 296867A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- sand
- clay
- acid
- water
- solution
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008929 regeneration Effects 0.000 title abstract description 12
- 238000011069 regeneration method Methods 0.000 title abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 197
- 239000004927 clay Substances 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002253 acid Substances 0.000 claims abstract description 32
- 239000005416 organic matter Substances 0.000 claims abstract description 4
- 230000001172 regenerating effect Effects 0.000 claims abstract description 3
- 238000001354 calcination Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 18
- 239000011230 binding agent Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010979 pH adjustment Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005058 metal casting Methods 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 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
- B22C5/18—Plants for preparing mould materials
- B22C5/185—Plants for preparing mould materials comprising a wet reclamation step
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/397,754 US4952246A (en) | 1989-08-23 | 1989-08-23 | Plant and method for reconditioning green foundry sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD296867A5 true DD296867A5 (de) | 1991-12-19 |
Family
ID=23572484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD90342814A DD296867A5 (de) | 1989-08-23 | 1990-07-16 | Verfahren zur regenerierung von gebrauchten gruenem formsand |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4952246A (cs) |
| EP (1) | EP0414388B1 (cs) |
| JP (1) | JPH0386351A (cs) |
| CN (1) | CN1026560C (cs) |
| AU (1) | AU618716B2 (cs) |
| CA (1) | CA2021419A1 (cs) |
| CS (1) | CS411790A3 (cs) |
| DD (1) | DD296867A5 (cs) |
| DE (1) | DE69003495T2 (cs) |
| ES (1) | ES2044449T3 (cs) |
| PL (1) | PL286599A1 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569945A1 (de) * | 1992-05-14 | 1993-11-18 | KGT GIESSEREITECHNIK GmbH | Verfahren und Vorrichtung zur Regelung des Sandaustrages bei der thermischen Regenerierung von Giesserei-Altsand in Wirbelschichtöfen |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5211215A (en) * | 1990-02-14 | 1993-05-18 | Sommer Hermann W | Process for neutralizing regenerated sand |
| DE4129863A1 (de) * | 1991-09-07 | 1993-03-11 | Hanf Carl Elino Ind Ofenbau | Verfahren und vorrichtung zur aufbereitung von bentonitgebundenem giesserei-altsand |
| IL100503A (en) * | 1991-12-25 | 1995-03-30 | R & D Silicate Prod Ltd | Process for the preparation of amorphous silica |
| JP2849213B2 (ja) * | 1992-08-13 | 1999-01-20 | コンソリデイティッド エンジニアリング カンパニー オブ ジョージア，インコーポレイテッド | 金属キャスティングの熱処理および炉内砂回収 |
| CA2375713C (en) * | 1999-07-02 | 2008-07-15 | International Engine Intellectual Property Company, Llc | Casting method and apparatus |
| US6646386B1 (en) | 1999-07-20 | 2003-11-11 | Tokyo Electron Limited | Stabilized oscillator circuit for plasma density measurement |
| US6712119B2 (en) * | 2000-03-02 | 2004-03-30 | Sintokogio, Ltd. | Collected sand processing method |
| KR100340173B1 (ko) | 2000-03-22 | 2002-06-12 | 이동준 | 전기화학적 바이오센서 측정기 |
| EP1222978A3 (en) * | 2001-01-15 | 2007-10-17 | Sintokogio, Ltd. | A method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite |
| DE10346062B4 (de) * | 2003-10-04 | 2006-03-23 | Daimlerchrysler Ag | Verfahren zur Herstellung eines Gussteils |
| CN102166616A (zh) * | 2010-11-25 | 2011-08-31 | 苏州苏铸成套装备制造有限公司 | 辅料添加装置 |
| CN103170575B (zh) * | 2013-03-27 | 2015-04-08 | 山东建筑大学 | 一种粘土旧砂完全再生用成套设备 |
| CN103350186B (zh) * | 2013-07-05 | 2015-05-20 | 玉林市兰科铸造环保设备有限公司 | 混合型铸造废砂擦洗回收设备 |
| CN106180544A (zh) * | 2016-08-15 | 2016-12-07 | 合肥江淮铸造有限责任公司 | 一种型砂处理工艺 |
| CN108296436A (zh) * | 2017-08-28 | 2018-07-20 | 柳州市柳晶科技股份有限公司 | 一种铸造废砂再生研磨装置 |
| CN110756727A (zh) * | 2019-11-15 | 2020-02-07 | 贵阳白云合金熔铸厂 | 一种覆膜型砂再生工艺及系统 |
| CN115647284B (zh) * | 2022-11-04 | 2024-11-29 | 柳晶（长春）环保科技有限公司 | 一种冷芯用潮模再生砂的制备方法及再生砂 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3050364A (en) * | 1955-11-07 | 1962-08-21 | British Ind Sand Ltd | Purification of sand containing colour-imparting impurities |
| US3282416A (en) * | 1962-10-22 | 1966-11-01 | Internat Pipe And Ceramics Cor | Method of treating quartz sands |
| GB1088635A (en) * | 1963-07-20 | 1967-10-25 | Philip Arthur Chubb | Treatment of silica sand |
| US3374062A (en) * | 1966-10-10 | 1968-03-19 | Frank W. Bowdish | Process for refining sands |
| GB1223177A (en) * | 1968-09-17 | 1971-02-24 | British Ind Sand Ltd | The purification of sand |
| US4113510A (en) * | 1974-06-07 | 1978-09-12 | Societe D'applications De Procedes Industriels Et Chimiques S.A.P.I.C. | Process for regenerating foundry sand |
| CH640159A5 (de) * | 1979-06-06 | 1983-12-30 | Foundry Design Corp Europ | Verfahren und anlage zum formen, nassentsanden und reinigen von gussstuecken. |
| US4405588A (en) * | 1981-12-21 | 1983-09-20 | Materias Primas, Monterrey, S.A. | Process of removing iron impurities from ores |
| 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 |
| GB8317669D0 (en) * | 1983-06-29 | 1983-08-03 | British Ind Sand Ltd | Chemical treatment of sand |
| EP0152230A1 (en) * | 1984-02-03 | 1985-08-21 | Steel Castings Research And Trade Association | Reclamation of foundry sands |
| NL8600283A (nl) * | 1986-02-06 | 1987-09-01 | Philips Nv | Werkwijze voor het zuiveren van kwartszand. |
| US4709862A (en) * | 1987-01-30 | 1987-12-01 | Leidel Dieter S | Method of reclaiming green sand |
| US4799530A (en) * | 1988-02-08 | 1989-01-24 | Precision Castparts Corp. | Method for recovering casting refractory compositions from investment casting slurries |
| US4815516A (en) * | 1988-03-04 | 1989-03-28 | Precision Castparts Corp. | Method for recovering casting refractory compositions from investment casting shell molds |
-
1989
- 1989-08-23 US US07/397,754 patent/US4952246A/en not_active Expired - Fee Related
-
1990
- 1990-07-16 DD DD90342814A patent/DD296867A5/de not_active IP Right Cessation
- 1990-07-18 CA CA002021419A patent/CA2021419A1/en not_active Abandoned
- 1990-07-27 ES ES90308238T patent/ES2044449T3/es not_active Expired - Lifetime
- 1990-07-27 EP EP90308238A patent/EP0414388B1/en not_active Expired - Lifetime
- 1990-07-27 DE DE90308238T patent/DE69003495T2/de not_active Expired - Fee Related
- 1990-08-10 JP JP2210540A patent/JPH0386351A/ja active Pending
- 1990-08-22 AU AU61230/90A patent/AU618716B2/en not_active Ceased
- 1990-08-22 CN CN90107139.0A patent/CN1026560C/zh not_active Expired - Fee Related
- 1990-08-23 PL PL28659990A patent/PL286599A1/xx unknown
- 1990-08-23 CS CS904117A patent/CS411790A3/cs unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569945A1 (de) * | 1992-05-14 | 1993-11-18 | KGT GIESSEREITECHNIK GmbH | Verfahren und Vorrichtung zur Regelung des Sandaustrages bei der thermischen Regenerierung von Giesserei-Altsand in Wirbelschichtöfen |
Also Published As
| Publication number | Publication date |
|---|---|
| US4952246A (en) | 1990-08-28 |
| EP0414388B1 (en) | 1993-09-22 |
| EP0414388A3 (en) | 1991-05-29 |
| DE69003495D1 (de) | 1993-10-28 |
| CA2021419A1 (en) | 1991-02-24 |
| JPH0386351A (ja) | 1991-04-11 |
| DE69003495T2 (de) | 1994-01-20 |
| EP0414388A2 (en) | 1991-02-27 |
| CN1049620A (zh) | 1991-03-06 |
| AU618716B2 (en) | 1992-01-02 |
| AU6123090A (en) | 1991-02-28 |
| ES2044449T3 (es) | 1994-01-01 |
| CN1026560C (zh) | 1994-11-16 |
| PL286599A1 (en) | 1991-05-20 |
| CS411790A3 (en) | 1992-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |