GB2241905B - Screens - Google Patents

Screens

Info

Publication number
GB2241905B
GB2241905B GB9104976A GB9104976A GB2241905B GB 2241905 B GB2241905 B GB 2241905B GB 9104976 A GB9104976 A GB 9104976A GB 9104976 A GB9104976 A GB 9104976A GB 2241905 B GB2241905 B GB 2241905B
Authority
GB
United Kingdom
Prior art keywords
screens
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 - Fee Related
Application number
GB9104976A
Other versions
GB2241905A (en
GB9104976D0 (en
Inventor
Kenneth Albert Eden
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.)
Tomkinson & Co Ltd E
Original Assignee
Tomkinson & Co Ltd E
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 Tomkinson & Co Ltd E filed Critical Tomkinson & Co Ltd E
Publication of GB9104976D0 publication Critical patent/GB9104976D0/en
Publication of GB2241905A publication Critical patent/GB2241905A/en
Application granted granted Critical
Publication of GB2241905B publication Critical patent/GB2241905B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/27—Filters with filtering elements which move during the filtering operation with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces
    • B01D33/275—Filters with filtering elements which move during the filtering operation with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces using contiguous impervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
    • B01D33/648—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • 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
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB9104976A 1990-03-16 1991-03-08 Screens Expired - Fee Related GB2241905B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909006026A GB9006026D0 (en) 1990-03-16 1990-03-16 Screens

Publications (3)

Publication Number Publication Date
GB9104976D0 GB9104976D0 (en) 1991-04-24
GB2241905A GB2241905A (en) 1991-09-18
GB2241905B true GB2241905B (en) 1994-01-26

Family

ID=10672775

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909006026A Pending GB9006026D0 (en) 1990-03-16 1990-03-16 Screens
GB9104976A Expired - Fee Related GB2241905B (en) 1990-03-16 1991-03-08 Screens

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909006026A Pending GB9006026D0 (en) 1990-03-16 1990-03-16 Screens

Country Status (1)

Country Link
GB (2) GB9006026D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3271297A (en) * 1997-05-06 1998-11-27 Seidl, Gerald Bar screen with rotating rakes
US6821053B2 (en) * 2003-01-31 2004-11-23 Antonio Martinez Water flow responsive barrier for gutters and storm drains with rotary actuator
DK3746207T3 (en) * 2018-01-30 2023-07-31 Ovivo Inc SIEFING IN CHANNEL WITH A DRUM SIEF
CN109174777A (en) * 2018-09-20 2019-01-11 江苏贝尔机械有限公司 A kind of sieve for plastic film friction washing machine

Also Published As

Publication number Publication date
GB9006026D0 (en) 1990-05-09
GB2241905A (en) 1991-09-18
GB9104976D0 (en) 1991-04-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970308