CA2454645A1 - Compaction methods and apparatus - Google Patents

Compaction methods and apparatus Download PDF

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Publication number
CA2454645A1
CA2454645A1 CA002454645A CA2454645A CA2454645A1 CA 2454645 A1 CA2454645 A1 CA 2454645A1 CA 002454645 A CA002454645 A CA 002454645A CA 2454645 A CA2454645 A CA 2454645A CA 2454645 A1 CA2454645 A1 CA 2454645A1
Authority
CA
Canada
Prior art keywords
screw conveyor
compaction
compacting
compaction chamber
shank extension
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.)
Granted
Application number
CA002454645A
Other languages
French (fr)
Other versions
CA2454645C (en
Inventor
Robin Hamilton
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB929220382A external-priority patent/GB9220382D0/en
Application filed by Individual filed Critical Individual
Priority claimed from CA002144987A external-priority patent/CA2144987C/en
Publication of CA2454645A1 publication Critical patent/CA2454645A1/en
Application granted granted Critical
Publication of CA2454645C publication Critical patent/CA2454645C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Screw Conveyors (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

A compaction apparatus (2) has a screw conveyor (4) for conveying waste material through a passage (6) and compacting it therein. An exit nozzle (10) is arranged to communicate with the passage (6). The nozzle (10) has a transverse internal cross--sectional area which enlarges and reduces respectively in response to increasing and decreasing material pressure. The screw conveyor has an axial shank extension at its outlet which extends into a compaction chamber located downstream of the screw conveyor and co-axial therewith. In use, the shank extension is surrounded by an annulus of compacted material in the downstream compaction chamber, such that the compacted material provides a support bearing means for the outlet end of the conveyor. A method of compacting waste or other material comprises the steps of conveying material by a rotating screw conveyor and compacting the material in a compaction chamber located downstream of the screw conveyor. The method further comprises supporting the outlet end of the screw conveyor during compaction by means of an annulus of compacted material which surrounds an axial shank extension of the screw conveyor projecting into the compaction chamber.
CA002454645A 1992-09-26 1993-09-23 Compaction methods and apparatus Expired - Lifetime CA2454645C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9220382.7 1992-09-26
GB929220382A GB9220382D0 (en) 1992-09-26 1992-09-26 Compacting apparatus
GB9306462.4 1993-03-29
GB939306462A GB9306462D0 (en) 1992-09-26 1993-03-29 Compaction methods and apparatus
CA002144987A CA2144987C (en) 1992-09-26 1993-09-23 Compaction methods and apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002144987A Division CA2144987C (en) 1992-09-26 1993-09-23 Compaction methods and apparatus

Publications (2)

Publication Number Publication Date
CA2454645A1 true CA2454645A1 (en) 1994-04-14
CA2454645C CA2454645C (en) 2007-06-26

Family

ID=32073590

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002454649A Abandoned CA2454649A1 (en) 1992-09-26 1993-09-23 Compaction methods and apparatus
CA002454645A Expired - Lifetime CA2454645C (en) 1992-09-26 1993-09-23 Compaction methods and apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002454649A Abandoned CA2454649A1 (en) 1992-09-26 1993-09-23 Compaction methods and apparatus

Country Status (1)

Country Link
CA (2) CA2454649A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117601492A (en) * 2023-12-05 2024-02-27 山东东源新材料科技有限公司 Desulfurization and denitrification catalyst shaping equipment and shaping method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113237069A (en) * 2021-06-10 2021-08-10 北京基亚特环保科技有限公司 Slag discharging equipment of household garbage pyrolysis gasification furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117601492A (en) * 2023-12-05 2024-02-27 山东东源新材料科技有限公司 Desulfurization and denitrification catalyst shaping equipment and shaping method
CN117601492B (en) * 2023-12-05 2024-04-30 山东东源新材料科技有限公司 Desulfurization and denitrification catalyst shaping equipment and shaping method

Also Published As

Publication number Publication date
CA2454645C (en) 2007-06-26
CA2454649A1 (en) 1994-04-14

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