GB543957A - Improvements in and relating to filters - Google Patents

Improvements in and relating to filters

Info

Publication number
GB543957A
GB543957A GB1525/41A GB152541A GB543957A GB 543957 A GB543957 A GB 543957A GB 1525/41 A GB1525/41 A GB 1525/41A GB 152541 A GB152541 A GB 152541A GB 543957 A GB543957 A GB 543957A
Authority
GB
United Kingdom
Prior art keywords
drum
mesh
filters
flow
brassert
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
GB1525/41A
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.)
H A BRASSERT AND Co
Original Assignee
H A BRASSERT AND Co
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 US317303A priority Critical patent/US2253692A/en
Application filed by H A BRASSERT AND Co filed Critical H A BRASSERT AND Co
Priority to GB1525/41A priority patent/GB543957A/en
Publication of GB543957A publication Critical patent/GB543957A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • 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
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • 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
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward 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
    • 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
    • B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
    • B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
    • 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
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D33/503—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles the backwash arms, shoes acting on the cake side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/02—Filtering elements having a conical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis

Abstract

543,957. Filters. BRASSERT & CO., Ltd., H. A. (Brassert & Co., H. A.). Feb. 5, 1941, No. 1525 [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 6, 1940.] [Class 46] A rotary filter drum 18, arranged for inward filtration and cleansing by reverse flow through a longitudinal section of the drum, has a wall of substantial thickness with openings 38 fitted with conical filters members 51 having their apices directed outwardly and lying within the exterior contour of the drum wall. The filter members are secured in position by screwed sleeves 45. Fig. 4 shows a form comprising two wire-mesh cones with a medium such as cloth, paper, diatomaecous earth or fine wire mesh between. In Fig. 5, two cones projecting in opposite direction are shown, the inner cone being of finer mesh than the outer. Wire mesh sprayed with glass or porcelain to give a smooth surface to which suspended strips will not adhere, may be used. The drum 18 is mounted by spiders 20, 21 on a shaft 22 supported by a roller bearing 24 and engaging a guide bearing 26 at the lower end. The drum is rotated by a motor 31 and gear 29 meshing with a gear ring 27 on the drum. The flow is inward through the drum from an inlet 12 to an outlet 13, and there is a reverse cleaning flow of liquid from the inside to a channel, formed between walls 33, 34, with an outlet 35.
GB1525/41A 1940-02-05 1941-02-05 Improvements in and relating to filters Expired GB543957A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US317303A US2253692A (en) 1940-02-05 1940-02-05 Filter construction
GB1525/41A GB543957A (en) 1941-02-05 1941-02-05 Improvements in and relating to filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1525/41A GB543957A (en) 1941-02-05 1941-02-05 Improvements in and relating to filters

Publications (1)

Publication Number Publication Date
GB543957A true GB543957A (en) 1942-03-20

Family

ID=9723486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1525/41A Expired GB543957A (en) 1940-02-05 1941-02-05 Improvements in and relating to filters

Country Status (1)

Country Link
GB (1) GB543957A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031281B (en) * 1953-02-12 1958-06-04 Brassert & Company Filter system, in particular for the mechanical cleaning of waste water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031281B (en) * 1953-02-12 1958-06-04 Brassert & Company Filter system, in particular for the mechanical cleaning of waste water

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