GB1427414A - Apparatus for the separation and purification of solids from a suspension and for leaching solid particles - Google Patents

Apparatus for the separation and purification of solids from a suspension and for leaching solid particles

Info

Publication number
GB1427414A
GB1427414A GB4421673A GB4421673A GB1427414A GB 1427414 A GB1427414 A GB 1427414A GB 4421673 A GB4421673 A GB 4421673A GB 4421673 A GB4421673 A GB 4421673A GB 1427414 A GB1427414 A GB 1427414A
Authority
GB
United Kingdom
Prior art keywords
bed
piston
disc
conduit
sept
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
GB4421673A
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.)
Grassos Koniklijke Machinefabrieken NV
Original Assignee
Grassos Koniklijke Machinefabrieken NV
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 Grassos Koniklijke Machinefabrieken NV filed Critical Grassos Koniklijke Machinefabrieken NV
Publication of GB1427414A publication Critical patent/GB1427414A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Apparatus For Making Beverages (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

1427414 Infusing coffee GRASSO'S KONINKLIJKE MACHINEFABRIEKEN NV 20 Sept 1973 [26 Sept 1972] 44216/73 Addition to 1311565 Heading A4E [Also in Divisions B1-B2] The apparatus defined in claims 1 and 2 at least of Specification 1311565 is modified by the inclusion of one of the following features, (a) a cylinder containing a double-acting piston connected to the conduit or one of the conduits leading out of the column upstream of the valve means, (b) valve means for the conduit leading into the column being arranged on the side of the piston opposite the bed at a position less than three times the diameter of the conduit below the surface of the piston, (c) the means to drive the rotatable disc is arranged so that the disc is stationary during at least a second part of the compression stroke in which the bed formed during a first part of the compression stroke is compacted between said piston and the old bed, (d) the disc has slots and grooves therein and the knives straight-edged or finely toothed, and (e) a heat exchanger to receive removed portions of the bed together with washing fluid and controlled by an adjacent thermostat to allow by-passing of the exchanger where necessary.
GB4421673A 1972-09-26 1973-09-20 Apparatus for the separation and purification of solids from a suspension and for leaching solid particles Expired GB1427414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7212995A NL173601C (en) 1972-09-26 1972-09-26 Apparatus for separating and purifying solids from a suspension and for leaching out solid particles.

Publications (1)

Publication Number Publication Date
GB1427414A true GB1427414A (en) 1976-03-10

Family

ID=19817011

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3940375A Expired GB1440909A (en) 1972-09-26 1973-09-20 Apparatus for the separation and purification of solids from a suspension and for leaching solid particles
GB4421673A Expired GB1427414A (en) 1972-09-26 1973-09-20 Apparatus for the separation and purification of solids from a suspension and for leaching solid particles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB3940375A Expired GB1440909A (en) 1972-09-26 1973-09-20 Apparatus for the separation and purification of solids from a suspension and for leaching solid particles

Country Status (5)

Country Link
BR (1) BR7307455D0 (en)
DE (1) DE2347948C2 (en)
FR (1) FR2200028B2 (en)
GB (2) GB1440909A (en)
NL (1) NL173601C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597768A (en) * 1982-06-22 1986-07-01 Nederlandse Centrale Organisatie Voor Toegepast Natuurwetenschappelijk Onderzoek Method for treatment in counter current of suspended particles with a liquid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8803060A (en) * 1988-12-14 1990-07-02 Grasso Koninkl Maschf Apparatus for continuously separating crystals from a mother liquor and for washing the crystals.
DE10242746B4 (en) * 2002-09-13 2010-07-01 Evonik Degussa Gmbh Washing device, a process for cleaning a laundry and the use of the washing device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA960019A (en) * 1970-06-26 1974-12-31 Henricus A.C. Thijssen Apparatus for the separation and treatment of solid particles from a liquid suspension

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597768A (en) * 1982-06-22 1986-07-01 Nederlandse Centrale Organisatie Voor Toegepast Natuurwetenschappelijk Onderzoek Method for treatment in counter current of suspended particles with a liquid
US4743434A (en) * 1982-06-22 1988-05-10 Nederlandsche Centrale Organisatie Voor Toegepast Natuurwetenschappelijk Onderzoek Apparatus for treatment of suspended particles with a liquid in countercurrent

Also Published As

Publication number Publication date
NL173601C (en) 1984-02-16
NL173601B (en) 1983-09-16
DE2347948C2 (en) 1983-07-14
FR2200028A2 (en) 1974-04-19
BR7307455D0 (en) 1974-09-05
GB1440909A (en) 1976-06-30
DE2347948A1 (en) 1974-04-11
NL7212995A (en) 1974-03-28
FR2200028B2 (en) 1977-03-11

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Legal Events

Date Code Title Description
PS Patent sealed