CA2320023A1 - Circular clarifier with retractable cover - Google Patents

Circular clarifier with retractable cover Download PDF

Info

Publication number
CA2320023A1
CA2320023A1 CA 2320023 CA2320023A CA2320023A1 CA 2320023 A1 CA2320023 A1 CA 2320023A1 CA 2320023 CA2320023 CA 2320023 CA 2320023 A CA2320023 A CA 2320023A CA 2320023 A1 CA2320023 A1 CA 2320023A1
Authority
CA
Canada
Prior art keywords
clarifier
trusses
circular
cover
wall
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
CA 2320023
Other languages
French (fr)
Other versions
CA2320023C (en
Inventor
Claude J. Degarie
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.)
Evoqua Water Technologies Canada Ltd
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
Application filed by Individual filed Critical Individual
Priority to CA 2320023 priority Critical patent/CA2320023C/en
Priority to MXPA01002949 priority patent/MXPA01002949A/en
Priority to GB0417313A priority patent/GB2402960B/en
Priority to GB0107312A priority patent/GB2367090B/en
Priority to AU31304/01A priority patent/AU750185B2/en
Publication of CA2320023A1 publication Critical patent/CA2320023A1/en
Priority to FR0106773A priority patent/FR2814160B1/en
Application granted granted Critical
Publication of CA2320023C publication Critical patent/CA2320023C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/08—Vaulted roofs
    • E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/16—Roof structures with movable roof parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/10—Coverings of flexible material
    • E04H4/108—Coverings of flexible material supported by frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Tents Or Canopies (AREA)

Abstract

The clarifier cover has a shape defined by a low profile circular segmen t of revolution around the central column of the clarifier, for maintaining th e volume of gas thereunder minimum. In another aspect, the support structure of the cover is made of a plurality of ring trusses disposed in a circular array and defining a circle, concentric with the circular wall of t he clarifier, and a radial array of outer trusses each having an outside end mounted to the wall of the clarifier and an inside end mounted to the plurality of ring trusses. A series of inner trusses are individually affixe d in an overhung mode to one of the outer trusses, such that the loading applied to the central column of a clarifier by the cover structure is minimal or negligible. The trusses define an array of triangular frame sectors. A flexible sheet sector affixed to each frame sector, and at least one of the flexible sheet sectors has a retractable section which is removably affixed to one of the triangular frame sectors and to the clarifie r wall.
CA 2320023 1999-11-19 2000-09-21 Circular clarifier with retractable cover Expired - Fee Related CA2320023C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA 2320023 CA2320023C (en) 1999-11-19 2000-09-21 Circular clarifier with retractable cover
MXPA01002949 MXPA01002949A (en) 2000-09-21 2001-03-20 Circular clarifier with rectractable cover.
GB0417313A GB2402960B (en) 2000-09-21 2001-03-23 Circular clarifier with retractable cover
GB0107312A GB2367090B (en) 2000-09-21 2001-03-23 Circular clarifier with retractable cover
AU31304/01A AU750185B2 (en) 2000-09-21 2001-03-26 Circular clarifier with rectractable cover
FR0106773A FR2814160B1 (en) 2000-09-21 2001-05-23 CIRCULAR CLARIFIER WITH RETRACTABLE COVER DEVICE

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2290226 1999-11-19
CA2,290,226 1999-11-19
CA 2320023 CA2320023C (en) 1999-11-19 2000-09-21 Circular clarifier with retractable cover

Publications (2)

Publication Number Publication Date
CA2320023A1 true CA2320023A1 (en) 2001-05-19
CA2320023C CA2320023C (en) 2004-06-15

Family

ID=25681348

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2320023 Expired - Fee Related CA2320023C (en) 1999-11-19 2000-09-21 Circular clarifier with retractable cover

Country Status (1)

Country Link
CA (1) CA2320023C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114182885A (en) * 2021-12-23 2022-03-15 中城建(福建)建筑设计研究院有限公司 Prestressed beam resisting wind suction force

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114182885A (en) * 2021-12-23 2022-03-15 中城建(福建)建筑设计研究院有限公司 Prestressed beam resisting wind suction force
CN114182885B (en) * 2021-12-23 2022-12-13 中城建(福建)建筑设计研究院有限公司 Prestressed beam resisting wind suction force

Also Published As

Publication number Publication date
CA2320023C (en) 2004-06-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190923