GB804616A - Improvements in and relating to apparatus for separating granular materials having different specific gravities by means of a liquid - Google Patents

Improvements in and relating to apparatus for separating granular materials having different specific gravities by means of a liquid

Info

Publication number
GB804616A
GB804616A GB3367756A GB3367756A GB804616A GB 804616 A GB804616 A GB 804616A GB 3367756 A GB3367756 A GB 3367756A GB 3367756 A GB3367756 A GB 3367756A GB 804616 A GB804616 A GB 804616A
Authority
GB
United Kingdom
Prior art keywords
suspension
blades
middlings
rotor
trough
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
GB3367756A
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
Application filed by Individual filed Critical Individual
Priority to GB3367756A priority Critical patent/GB804616A/en
Publication of GB804616A publication Critical patent/GB804616A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/36—Devices therefor, other than using centrifugal force
    • B03B5/42—Devices therefor, other than using centrifugal force of drum or lifting wheel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
    • B03B2011/004—Lifting wheel dischargers

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

804,616. Sink-float apparatus. TROMP, K. F. Nov. 5, 1956, No. 33677/56. Class 82(2) In apparatus for separating granular material having different specific gravities by means of a suspension comprising a trough 1, a bladed rotor is mounted for coaxial rotation in it so as to just clear the wall thereof, the forward portion of the rotor being surrounded by a shell 7 having slots 9 and blades 10, the rear portion being open, the trough having longitudinal walls 2a and 2b, defining a separating chamber, therein, a shoot 16 to supply run-of-mine coal and perforated pipes 12, 13, 14 and 15 to supply suspension to the chamber, and a shoot 19 for discharging the surface layer of the suspension to gether with the washed coal. The bottom of the trough 1 has an outlet 29 close to its rear wall covered by a sieve 30 just cleared by blades 5 of the rotor. The rotor comprises lantern wheels 8, joined by the perforated blades 5, having studs 3, and supported by rollers 4. Gear wheels 6 meshing with the lantern wheels 8 are driven by means not shown. The forward and rear portions of the rotor are separated by a ring 11 between which and the walls 2a and 2b respectively, are stationary portions which extend to a level just above that (S) of the suspension. A paddle wheel 28 rotates in the same direction as the trough 1 between the wall 18 and the partition 27, only the lower paddies of the wheel being in the bath. The washed coal moves over a weir 21 into the shoot 19. The sinks enter the pockets between the blades 5 and are carried over the plate 22 into the hopper 23. The middlings are swept to the rear of the bath through the opening 2b<SP>1</SP>. The high density suspension causes the high gravity middlings to fall on the sieve 30 to be collected by the blades 5. The medium density suspension causes the low gravity middlings to deposit on a sieve 32 to be collected by the blades 5. The paddle wheel 28 causes the suspension to be drawn through the sieve 32. The blades 5 discharge the middlings into the hopper 24. To add any of the finer fraction of the middlings to the washed coal, the plate 22 is perforated over the hopper 25. Details are also given of methods of recycling the discharged suspension. Specifications 466,964 and 602,534 are referred to.
GB3367756A 1956-11-05 1956-11-05 Improvements in and relating to apparatus for separating granular materials having different specific gravities by means of a liquid Expired GB804616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3367756A GB804616A (en) 1956-11-05 1956-11-05 Improvements in and relating to apparatus for separating granular materials having different specific gravities by means of a liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3367756A GB804616A (en) 1956-11-05 1956-11-05 Improvements in and relating to apparatus for separating granular materials having different specific gravities by means of a liquid

Publications (1)

Publication Number Publication Date
GB804616A true GB804616A (en) 1958-11-19

Family

ID=10356015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3367756A Expired GB804616A (en) 1956-11-05 1956-11-05 Improvements in and relating to apparatus for separating granular materials having different specific gravities by means of a liquid

Country Status (1)

Country Link
GB (1) GB804616A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7004327B2 (en) 2001-03-30 2006-02-28 Enerco B.V. Method for sink and float separation of fine grained mineral raw materials
CN103071336A (en) * 2012-12-19 2013-05-01 唐山森普工程设计有限公司 Medium pre-drainage device of heavy-medium cyclone coal-separation system and medium drainage method therefor
CN103611620A (en) * 2013-11-20 2014-03-05 高峰 Coal washing medium powder and coal washing process
CN103611620B (en) * 2013-11-20 2016-11-30 高峰 A kind of coal washing medium powder and coal cleaning process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7004327B2 (en) 2001-03-30 2006-02-28 Enerco B.V. Method for sink and float separation of fine grained mineral raw materials
CN103071336A (en) * 2012-12-19 2013-05-01 唐山森普工程设计有限公司 Medium pre-drainage device of heavy-medium cyclone coal-separation system and medium drainage method therefor
CN103611620A (en) * 2013-11-20 2014-03-05 高峰 Coal washing medium powder and coal washing process
CN103611620B (en) * 2013-11-20 2016-11-30 高峰 A kind of coal washing medium powder and coal cleaning process

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