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GB1206585A - Filter and method of filtering - Google Patents

Filter and method of filtering

Info

Publication number
GB1206585A
GB1206585A GB38939/66A GB3893966A GB1206585A GB 1206585 A GB1206585 A GB 1206585A GB 38939/66 A GB38939/66 A GB 38939/66A GB 3893966 A GB3893966 A GB 3893966A GB 1206585 A GB1206585 A GB 1206585A
Authority
GB
United Kingdom
Prior art keywords
cake
filter
furrows
drum
strings
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
GB38939/66A
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.)
FLSmidth UK Ltd
Original Assignee
Dorr Oliver Co Ltd
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 Dorr Oliver Co Ltd filed Critical Dorr Oliver Co Ltd
Priority to GB38939/66A priority Critical patent/GB1206585A/en
Publication of GB1206585A publication Critical patent/GB1206585A/en
Expired 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
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors
    • 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

Landscapes

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

Abstract

1,206,585. String-discharge filters. DORROLIVER CO. Ltd. and P. EVANS. 30 Sept., 1967, No. 38939/66. Heading B1D. A string-discharge filter includes a filter surface 21 having ridges and furrows in which are located the cake-discharging strings 3. As described, the surface of a drum 2 is provided with circumferential ribs 23 and a wire gauze screen 22 forming ridges and furrows. A filter cloth 21 is secured thereto by wires 28. Running in the furrows are cake-removing strings 3, or ribbons (not shown). This filter surface is passed through the suspension to be filtered as drum 2 rotates, and a vacuum is applied through pipes 15 to the drum's interior, whereby filter cake 29 is formed in the furrows. The strings 3 remove the cake 30 and may be aided by the application of pressure to the drum's interior. Subsequently strings 3 pass through a cake-detaching comb 7, a guideroller 5, a cake-removing knife 8, a realigning comb 10, and a return roller 6, being subjected to washing from a spray 9. Fig. 6 (not shown) illustrates an alternative filter surface, where the ribs 23 are each replaced by a row of wedge-shaped teeth (32) secured by webs (35).
GB38939/66A 1967-09-30 1967-09-30 Filter and method of filtering Expired GB1206585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB38939/66A GB1206585A (en) 1967-09-30 1967-09-30 Filter and method of filtering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38939/66A GB1206585A (en) 1967-09-30 1967-09-30 Filter and method of filtering

Publications (1)

Publication Number Publication Date
GB1206585A true GB1206585A (en) 1970-09-23

Family

ID=10406616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38939/66A Expired GB1206585A (en) 1967-09-30 1967-09-30 Filter and method of filtering

Country Status (1)

Country Link
GB (1) GB1206585A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998039780A1 (en) * 1997-03-06 1998-09-11 Abb Combustion Engineering Nuclear Power, Inc. Bwr emergency core cooling system strainer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998039780A1 (en) * 1997-03-06 1998-09-11 Abb Combustion Engineering Nuclear Power, Inc. Bwr emergency core cooling system strainer

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees