ES8308242A1 - Process for the reclamation of foundry sands. - Google Patents

Process for the reclamation of foundry sands.

Info

Publication number
ES8308242A1
ES8308242A1 ES515460A ES515460A ES8308242A1 ES 8308242 A1 ES8308242 A1 ES 8308242A1 ES 515460 A ES515460 A ES 515460A ES 515460 A ES515460 A ES 515460A ES 8308242 A1 ES8308242 A1 ES 8308242A1
Authority
ES
Spain
Prior art keywords
reclamation
foundry sands
sand
binder
removal
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
Application number
ES515460A
Other languages
Spanish (es)
Other versions
ES515460A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of ES515460A0 publication Critical patent/ES515460A0/en
Publication of ES8308242A1 publication Critical patent/ES8308242A1/en
Expired legal-status Critical Current

Links

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
    • B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

This invention concerns the reclamation of foundry sands for re-use by removal of the binder by treating the sand in a fluid energy mill. By careful control of the energy imparted to the sand, binder removal can be achieved with minimal particle breakdown.
ES515460A 1981-09-03 1982-09-02 Process for the reclamation of foundry sands. Expired ES8308242A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8126689 1981-09-03

Publications (2)

Publication Number Publication Date
ES515460A0 ES515460A0 (en) 1983-08-16
ES8308242A1 true ES8308242A1 (en) 1983-08-16

Family

ID=10524292

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515460A Expired ES8308242A1 (en) 1981-09-03 1982-09-02 Process for the reclamation of foundry sands.

Country Status (8)

Country Link
EP (1) EP0074755B1 (en)
JP (1) JPS5853346A (en)
AU (1) AU542894B2 (en)
BR (1) BR8205096A (en)
CA (1) CA1209784A (en)
DE (1) DE3268559D1 (en)
ES (1) ES8308242A1 (en)
ZA (1) ZA826431B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478461A (en) * 1946-03-16 1949-08-09 Nichols Eng & Res Corp Apparatus and method for treating foundry sand
US3088183A (en) * 1960-12-19 1963-05-07 Simpson Herbert Corp Apparatus for treating granular material
DE2408981C3 (en) * 1974-02-25 1979-11-08 Alb. Klein Kg, 5241 Niederfischbach Process for cleaning bulk materials by centrifugal forces and device for carrying out the process
GB1463749A (en) * 1974-08-21 1977-02-09 British Leyland Uk Ltd Apparatus for use in producing a fluidised bed of granular material
US3970547A (en) * 1975-05-22 1976-07-20 Raytheon Company Air classification apparatus
GB1493774A (en) * 1975-05-22 1977-11-30 Raytheon Co Materials separating apparatus
DE2921197A1 (en) * 1979-05-25 1980-12-04 Hermann J Linder Moulding sand regeneration - in vibrating tank with screens, air sifting, fluidised bed and coolant spiral cooling
GB2061770A (en) * 1979-10-27 1981-05-20 Futtans Ltd Improvements in or relating to the separation of granular mixtures

Also Published As

Publication number Publication date
ES515460A0 (en) 1983-08-16
CA1209784A (en) 1986-08-19
AU8784582A (en) 1983-03-10
AU542894B2 (en) 1985-03-21
EP0074755A1 (en) 1983-03-23
EP0074755B1 (en) 1986-01-15
DE3268559D1 (en) 1986-02-27
JPS5853346A (en) 1983-03-29
ZA826431B (en) 1984-04-25
BR8205096A (en) 1983-08-09

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