GB687989A - Improvements in or relating to gas filters - Google Patents

Improvements in or relating to gas filters

Info

Publication number
GB687989A
GB687989A GB3468/51A GB346851A GB687989A GB 687989 A GB687989 A GB 687989A GB 3468/51 A GB3468/51 A GB 3468/51A GB 346851 A GB346851 A GB 346851A GB 687989 A GB687989 A GB 687989A
Authority
GB
United Kingdom
Prior art keywords
frame
sleeve
sections
arm
cleaning air
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
GB3468/51A
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 to BE501468D priority Critical patent/BE501468A/xx
Priority to US683018A priority patent/US2495635A/en
Priority to US120680A priority patent/US2551126A/en
Application filed by Individual filed Critical Individual
Priority to GB3468/51A priority patent/GB687989A/en
Priority to FR1036680D priority patent/FR1036680A/en
Priority to DEH7714A priority patent/DE891489C/en
Priority to CH290872D priority patent/CH290872A/en
Publication of GB687989A publication Critical patent/GB687989A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/208—Oval shape

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

687,989. Gas filters. HERSEY, H. J. Feb. 13, 1951. No. 3468/51. Class 8 (ii). A reverse jet cleaning device encircling a vertical flexible gas filter sleeve 10 Fig. 2 collecting dust on its inner surface, and movable along its length, comprises a plurality of separate hollow curved sections 44, 46 each having an orifice or slot 100 Fig. 3 (not shown) from which issues cleaning air, and each being independently urged into yielding engagement with the outer surface of the sleeve 10. Each jet section 44, 46 is floatingly supported at three points from a frame 22 by rubber rods 64 extending between upper and lower flange plates of the frame, and each section is pulled against the sleeve exterior by weights W at the end of cables 86, 92 passing over pulleys 88, 94. The frame 22 is reciprocated up and down the sleeve 10 either continuously or intermittently by an arm 20 linked by a chain 18 Fig. 1 and an arm 16 to a motor driven chain sprocket 14. T-sections 32, 34 guide the frame 22 which may be extended to accommodate a plurality of filter sleeves in parallel, and cleaning air is supplied to the sections 44, 46 through flexible ducts 102.
GB3468/51A 1946-07-12 1951-02-13 Improvements in or relating to gas filters Expired GB687989A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE501468D BE501468A (en) 1951-02-13
US683018A US2495635A (en) 1946-07-12 1946-07-12 Dust filter
US120680A US2551126A (en) 1949-10-11 1949-10-11 Dust filter
GB3468/51A GB687989A (en) 1951-02-13 1951-02-13 Improvements in or relating to gas filters
FR1036680D FR1036680A (en) 1951-02-13 1951-02-14 Improvements to dust filters
DEH7714A DE891489C (en) 1951-02-13 1951-03-03 dust filter
CH290872D CH290872A (en) 1951-02-13 1951-03-13 Dust filter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3468/51A GB687989A (en) 1951-02-13 1951-02-13 Improvements in or relating to gas filters

Publications (1)

Publication Number Publication Date
GB687989A true GB687989A (en) 1953-02-25

Family

ID=9758886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3468/51A Expired GB687989A (en) 1946-07-12 1951-02-13 Improvements in or relating to gas filters

Country Status (4)

Country Link
BE (1) BE501468A (en)
CH (1) CH290872A (en)
FR (1) FR1036680A (en)
GB (1) GB687989A (en)

Also Published As

Publication number Publication date
FR1036680A (en) 1953-09-10
BE501468A (en)
CH290872A (en) 1953-05-31

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