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GB315004A - Process and apparatus for separating fine particles - Google Patents

Process and apparatus for separating fine particles

Info

Publication number
GB315004A
GB315004A GB20825/29A GB2082529A GB315004A GB 315004 A GB315004 A GB 315004A GB 20825/29 A GB20825/29 A GB 20825/29A GB 2082529 A GB2082529 A GB 2082529A GB 315004 A GB315004 A GB 315004A
Authority
GB
United Kingdom
Prior art keywords
strainer
liquid
discharged
valves
particles
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
GB20825/29A
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.)
JEAN HENRI GROVEN
Original Assignee
JEAN HENRI GROVEN
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 JEAN HENRI GROVEN filed Critical JEAN HENRI GROVEN
Publication of GB315004A publication Critical patent/GB315004A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • 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
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • B01D33/722—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
    • 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
    • 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
    • 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
    • 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
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • 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
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the 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
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/807—Accessories integrally combined with devices for controlling the filtration by level measuring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

315,004. Groven, J. H., (Assignee of Soc. Anon. des Ciments Portland Artificiels Belges d'Harmignies). July 6, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Rotary strainers.-The coarser particles of a suspension are separated by straining under pressure, finer particles being retained in the strained liquid. In the case of a rotary strainer arranged for straining inwards the pressure may be due to the liquid level outside the strainer. The strainer 3 is mounted over a receiver 2 to which the suspension is supplied from a pipe 2g through valves 2b delivering on to a plate 2P. Strained liquid is discharged through a channel or channels 3r at one or both ends of the strainer. The cylinder may consist of two layers of gauze, of fine and coarse mesh respectively, supported on longitudinal bars 3g and rings 3<s>, 3<h>. During rotation the bars 3<g> lilt a portion of the strained liquid and thus flush the strainer. The strainer may also be kept clean by steam, water, or air directed under pressure against the interior or exterior surface. The coarse matter and excess liquid are discharged through valves 2<r> which may be controlled according to the level of the liquid by a float in the vessel or according to the percentage of water in the mixture under treatment or to the rate of revolution of the strainer. The strainer may be rotated by directing the incoming liquid from the valves 2b on to paddles attached to shaft 3a. Paddles may also be provided for stirring the material in the receiver 2. Fine particles of matter discharged with the coarser particles may be recovered by decantation. Reference is made to modified apparatus in which the strainer is divided by a transverse partition into two compartments having gauze of a different mesh, so that the compartments separate products of different qualities which are discharged at opposite ends of the strainer. The invention is stated to be applicable to the treatment of suspensions of chalk, kaolin, talc, coal dust, sand, ores and metallic oxides.
GB20825/29A 1928-07-06 1929-07-06 Process and apparatus for separating fine particles Expired GB315004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE315004X 1928-07-06

Publications (1)

Publication Number Publication Date
GB315004A true GB315004A (en) 1930-10-06

Family

ID=3867616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20825/29A Expired GB315004A (en) 1928-07-06 1929-07-06 Process and apparatus for separating fine particles

Country Status (3)

Country Link
BE (1) BE352655A (en)
FR (1) FR677914A (en)
GB (1) GB315004A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2904622A1 (en) * 2006-08-04 2008-02-08 Commissariat Energie Atomique Treating leachate containing mineral pollutant like carbonate and organic pollutant, comprises adding lime to leachate to react with the carbonate and microfiltration of the obtained leachate to obtain a treated filtrate and a concentrate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113058328B (en) * 2021-03-25 2022-06-21 全南县新资源稀土有限责任公司 Precipitation device with material discharging and collecting structure for rare earth oxide processing and implementation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2904622A1 (en) * 2006-08-04 2008-02-08 Commissariat Energie Atomique Treating leachate containing mineral pollutant like carbonate and organic pollutant, comprises adding lime to leachate to react with the carbonate and microfiltration of the obtained leachate to obtain a treated filtrate and a concentrate

Also Published As

Publication number Publication date
BE352655A (en)
FR677914A (en) 1930-03-17

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