GB563831A - Improvements in and relating to strainers for liquids - Google Patents

Improvements in and relating to strainers for liquids

Info

Publication number
GB563831A
GB563831A GB7461/43A GB746143A GB563831A GB 563831 A GB563831 A GB 563831A GB 7461/43 A GB7461/43 A GB 7461/43A GB 746143 A GB746143 A GB 746143A GB 563831 A GB563831 A GB 563831A
Authority
GB
United Kingdom
Prior art keywords
chamber
cylinder
cut
slots
liquid
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
GB7461/43A
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
Application filed by Individual filed Critical Individual
Priority to GB7461/43A priority Critical patent/GB563831A/en
Publication of GB563831A publication Critical patent/GB563831A/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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • 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
    • B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—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 bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B01D29/115—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 bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • 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

Landscapes

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

Abstract

563,831. Strainers. McKEAN, J. G, May 11, 1943, No. 7461. [Class 46] In a strainer for liquids having a cylindrical screen adapted to be cleaned, during the normal straining operation, by reverse flow of liquid through different portions of the screen in succession, the screen 14, Fig. 1, is carried by a cylinder 2 formed with vertical slots 13, and a chamber 18, having an opening corresponding to the slots, is provided in an arm 17 rotatable step-by-step by means of a hand wheel 20 from a cleaning cut-off position, in which the chamber is out of register with all the slots, to positions in which the chamber registers with each slot in succession. Alternatively, a chamber 30, Fig. 5, is formed in the casing 1 and the cylinder 2 is rotated. In the cleaning positions, a port 27 in the chamber 18 registers with an arcuate groove 25, communicating through a passage 28 with a suction pipe, to effect a reverse flow through the chamber. In the cut-off position, the port 27 is closed by the plain portion 26, Fig: 3, between the -ends of the groove 25. The operating spindle 15, Figs. 3 and 5, carries a cam 31 adapted to open a spring-pressed valve 34 for admitting liquid at a pressure higher than that of the liquid being strained to the chamber 30 in the cleaning positions of the cylinder 2, the flat portion 32 of the cam allowing the valve to close in the cut-off position.
GB7461/43A 1943-05-11 1943-05-11 Improvements in and relating to strainers for liquids Expired GB563831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7461/43A GB563831A (en) 1943-05-11 1943-05-11 Improvements in and relating to strainers for liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7461/43A GB563831A (en) 1943-05-11 1943-05-11 Improvements in and relating to strainers for liquids

Publications (1)

Publication Number Publication Date
GB563831A true GB563831A (en) 1944-08-31

Family

ID=9833522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7461/43A Expired GB563831A (en) 1943-05-11 1943-05-11 Improvements in and relating to strainers for liquids

Country Status (1)

Country Link
GB (1) GB563831A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858941A (en) * 1953-10-22 1958-11-04 Michigan Wire Cloth Company Fuel filter
DE3209216A1 (en) * 1982-03-13 1983-09-15 Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg Liquid filter which can be backwashed in sections
CN114746244A (en) * 2019-11-28 2022-07-12 诺信公司 Device for filtering a fluid, in particular a plastic melt with impurities, and valve arrangement for such a fluid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858941A (en) * 1953-10-22 1958-11-04 Michigan Wire Cloth Company Fuel filter
DE3209216A1 (en) * 1982-03-13 1983-09-15 Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg Liquid filter which can be backwashed in sections
CN114746244A (en) * 2019-11-28 2022-07-12 诺信公司 Device for filtering a fluid, in particular a plastic melt with impurities, and valve arrangement for such a fluid
CN114746244B (en) * 2019-11-28 2024-03-15 诺信公司 Device for filtering a fluid, in particular a plastic melt with impurities, and valve device for such a fluid

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