GB779701A - Improvements in water screening devices - Google Patents

Improvements in water screening devices

Info

Publication number
GB779701A
GB779701A GB6084/54A GB608454A GB779701A GB 779701 A GB779701 A GB 779701A GB 6084/54 A GB6084/54 A GB 6084/54A GB 608454 A GB608454 A GB 608454A GB 779701 A GB779701 A GB 779701A
Authority
GB
United Kingdom
Prior art keywords
water
screens
hub
secured
annular region
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
GB6084/54A
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.)
CENTRAL ELECTRICITY AUTHORITY
Original Assignee
CENTRAL ELECTRICITY AUTHORITY
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 CENTRAL ELECTRICITY AUTHORITY filed Critical CENTRAL ELECTRICITY AUTHORITY
Priority to GB6084/54A priority Critical patent/GB779701A/en
Publication of GB779701A publication Critical patent/GB779701A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

779,701. Filters. CENTRAL ELECTRICITY AUTHORITY [formerly BRITISH ELECTRICITY AUTHORITY], and HODGKINSON, A. J. April 21, 1955 [March 2, 1954], No. 6084/54. Class 46. Water is admitted at 8 to the annular region 20 between two frusto-conical screens 11 secured to a hub 15, Fig. 1, secured in turn to a rotatable shaft 16. A shroud 21 partially surrounding the screening element so formed seals off the region 20 from an outlet duct 9. Where, as shown, two screening, elements are provided, water for filtration may be passed through one whilst the other is being cleaned. Each screen is reinforced by radial arms 12 connected to a ring 13 and the screens are further connected by tie bars 15a. Water for cleaning may be supplied through connections 23 to perforated pipes (not shown) located so as to spray the screens while the latter are being rotated. The hub 15 may be replaced by a perforated barrel constituting an additional screen. Perforated pipes may also be provided (together with brushes) in the annular region 20.
GB6084/54A 1954-03-02 1954-03-02 Improvements in water screening devices Expired GB779701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB6084/54A GB779701A (en) 1954-03-02 1954-03-02 Improvements in water screening devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6084/54A GB779701A (en) 1954-03-02 1954-03-02 Improvements in water screening devices

Publications (1)

Publication Number Publication Date
GB779701A true GB779701A (en) 1957-07-24

Family

ID=9808082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6084/54A Expired GB779701A (en) 1954-03-02 1954-03-02 Improvements in water screening devices

Country Status (1)

Country Link
GB (1) GB779701A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107348532A (en) * 2017-08-16 2017-11-17 周口市老磨坊粮油食品有限公司 Sesame screening cleaning group syzygy system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107348532A (en) * 2017-08-16 2017-11-17 周口市老磨坊粮油食品有限公司 Sesame screening cleaning group syzygy system
CN107348532B (en) * 2017-08-16 2023-04-21 周口市老磨坊粮油食品有限公司 Sesame screening and cleaning combined system

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