GB2399528A - A method of treating sand - Google Patents

A method of treating sand Download PDF

Info

Publication number
GB2399528A
GB2399528A GB0416249A GB0416249A GB2399528A GB 2399528 A GB2399528 A GB 2399528A GB 0416249 A GB0416249 A GB 0416249A GB 0416249 A GB0416249 A GB 0416249A GB 2399528 A GB2399528 A GB 2399528A
Authority
GB
United Kingdom
Prior art keywords
chamber
sand
microwave
source
microwave radiation
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.)
Withdrawn
Application number
GB0416249A
Other versions
GB0416249D0 (en
Inventor
Vaughan Wray
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.)
PEC TECHNOLOGIES Ltd
Original Assignee
PEC TECHNOLOGIES Ltd
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 PEC TECHNOLOGIES Ltd filed Critical PEC TECHNOLOGIES Ltd
Publication of GB0416249D0 publication Critical patent/GB0416249D0/en
Publication of GB2399528A publication Critical patent/GB2399528A/en
Withdrawn legal-status Critical Current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
    • B22C5/08—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Furnace Details (AREA)

Abstract

An apparatus for regenerating foundry sand comprising; a first chamber (13) having a sand input (16) and a sand output (17), and a source (14) of microwave radiation, the first chamber further comprising a waveguide for microwave radiation, and the microwave source (14) supplying the first chamber with microwave energy such that substantially all of the sand passing through the chamber is heated to a temperature of at least 580{C, the apparatus further comprising a second chamber (23) associated with the first chamber(13) and positioned such that sand exiting the first chamber (13) via the sand output enters the second chamber (23), the second chamber (23) serving as a phase conversion chamber.

Description

GB 2399528 A continuation (74) Agent and/or Address for Service: Eric
Potter Clarkson Park View House, 58 The Ropewalk, NOTTINGHAM, NG1 5DD, United Kingdom
GB0416249A 2002-01-23 2003-01-23 A method of treating sand Withdrawn GB2399528A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0201420A GB0201420D0 (en) 2002-01-23 2002-01-23 A method of treating sand
PCT/GB2003/000219 WO2003061873A1 (en) 2002-01-23 2003-01-23 A method of treating sand

Publications (2)

Publication Number Publication Date
GB0416249D0 GB0416249D0 (en) 2004-08-25
GB2399528A true GB2399528A (en) 2004-09-22

Family

ID=9929531

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0201420A Ceased GB0201420D0 (en) 2002-01-23 2002-01-23 A method of treating sand
GB0416249A Withdrawn GB2399528A (en) 2002-01-23 2003-01-23 A method of treating sand

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0201420A Ceased GB0201420D0 (en) 2002-01-23 2002-01-23 A method of treating sand

Country Status (2)

Country Link
GB (2) GB0201420D0 (en)
WO (1) WO2003061873A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663507A (en) * 1985-03-21 1987-05-05 Trerice Douglas N Method and apparatus for reduction of fly ash carbon by microwave
GB2250220A (en) * 1990-11-23 1992-06-03 Fischer Ag Georg Reclamation of additives from used sand
EP0265707B1 (en) * 1986-10-27 1992-06-03 Förder- und Anlagentechnik GmbH Method of and device for thermo-mechanical regeneration of bulk goods especially foundry returned sand
DE4118365A1 (en) * 1991-06-05 1992-12-10 Kuepper August Gmbh & Co Kg Recycling of used foundry sand - by treating in a microwave furnace to volatilise, decompose or oxidise carbon@ or organic particles without effectively heating the sand
FR2736419A1 (en) * 1995-07-03 1997-01-10 Aubert Bruno Incineration or processing of waste by RF or microwave heating - has material to be processed in reactor vessel containing two electrodes coupled to source of radio-frequency or microwave energy
US6104015A (en) * 1999-01-08 2000-08-15 Jayan; Ponnarassery Sukumaran Continuous microwave rotary furnace for processing sintered ceramics

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663507A (en) * 1985-03-21 1987-05-05 Trerice Douglas N Method and apparatus for reduction of fly ash carbon by microwave
EP0265707B1 (en) * 1986-10-27 1992-06-03 Förder- und Anlagentechnik GmbH Method of and device for thermo-mechanical regeneration of bulk goods especially foundry returned sand
GB2250220A (en) * 1990-11-23 1992-06-03 Fischer Ag Georg Reclamation of additives from used sand
DE4118365A1 (en) * 1991-06-05 1992-12-10 Kuepper August Gmbh & Co Kg Recycling of used foundry sand - by treating in a microwave furnace to volatilise, decompose or oxidise carbon@ or organic particles without effectively heating the sand
FR2736419A1 (en) * 1995-07-03 1997-01-10 Aubert Bruno Incineration or processing of waste by RF or microwave heating - has material to be processed in reactor vessel containing two electrodes coupled to source of radio-frequency or microwave energy
US6104015A (en) * 1999-01-08 2000-08-15 Jayan; Ponnarassery Sukumaran Continuous microwave rotary furnace for processing sintered ceramics

Also Published As

Publication number Publication date
GB0416249D0 (en) 2004-08-25
GB0201420D0 (en) 2002-03-13
WO2003061873A1 (en) 2003-07-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)