GB420367A - An improved gravity concentration process for the wet concentration of coal and apparatus for use therein - Google Patents

An improved gravity concentration process for the wet concentration of coal and apparatus for use therein

Info

Publication number
GB420367A
GB420367A GB1504033A GB1504033A GB420367A GB 420367 A GB420367 A GB 420367A GB 1504033 A GB1504033 A GB 1504033A GB 1504033 A GB1504033 A GB 1504033A GB 420367 A GB420367 A GB 420367A
Authority
GB
United Kingdom
Prior art keywords
coal
vessel
liquid
openings
pipe
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
GB1504033A
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
Publication of GB420367A publication Critical patent/GB420367A/en
Priority claimed from DE19651504033 external-priority patent/DE1504033C3/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
    • B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
    • B03B5/623—Upward current classifiers
    • 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
    • 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
    • B03B2011/006—Scraper dischargers

Landscapes

  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

420,367. Concentrating coal. VOOYS, G. J. DE, Huckelhoven, Erkelenz, Germany. May 24, 1933, Nos. 15040 and 15041. Convention dates, June 4, 1932 and Sept. 26, 1932. [Class 82 (ii)] Coal is concentrated by a gravity separation process carried out in an aqueous sludge of barytes and clay, the proportions being selected to produce a separating liquid of the desired specific gravity. A slight upward current is preferably produced in the upper part of the concentration vessel and a slight downward current in the lower part of the vessel. Coal is fed by a shoot 2 to a vessel 1 containing an aqueous sludge of barytes and clay, and is uniformly distributed in the bath by the drum 4<1>. The lower end of the vessel 1 is connected to a housing in which works a bucket conveyer 9 which removes the gangue. Liquid is withdrawn from the conveyer housing through a pipe 14 connected to a pump 18 which also withdraws liquid through a pipe 17 from an extension 16 at the top of the vessel 1. The amount of liquid withdrawn can be controlled by valves 12 and the liquid is returned by the pump 18 to the vessel 1 by means of a pipe 19, an annular conduit 20, and openings 21. The circulation is adjusted so that a slight upward current is produced in the vessel 1 above the openings 21 and a stronger downward current below these openings. The floating coal is removed by an endless rake conveyer 5 which carries the coal up a perforated deck 22 from which the liquid drains back into the extension 16, the coal being discharged into a hopper 6. The Specification as open to inspection under Sect. 91 describes the apparatus which forms the subject-matter of Specification 420,427. This subject-matter does not appear in the Specification as accepted.
GB1504033A 1932-09-26 1933-05-24 An improved gravity concentration process for the wet concentration of coal and apparatus for use therein Expired GB420367A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1504133 1932-09-26
DE19651504033 DE1504033C3 (en) 1965-01-11 1965-01-11 Device for producing a tubular preform of varying wall thickness from thermoplastic material

Publications (1)

Publication Number Publication Date
GB420367A true GB420367A (en) 1934-11-26

Family

ID=25752466

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2874334A Expired GB420427A (en) 1932-09-26 1933-05-24 Improvements in apparatus for use in a gravity concentration process for the wet concentration of coal
GB1504033A Expired GB420367A (en) 1932-09-26 1933-05-24 An improved gravity concentration process for the wet concentration of coal and apparatus for use therein

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2874334A Expired GB420427A (en) 1932-09-26 1933-05-24 Improvements in apparatus for use in a gravity concentration process for the wet concentration of coal

Country Status (2)

Country Link
FR (1) FR757207A (en)
GB (2) GB420427A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756361C (en) * 1939-03-01 1952-06-23 Directie Van De Staatsmijnen D Process and device for swimming and sink treatment
DE763801C (en) * 1935-12-15 1953-08-31 Fried Krupp A G Process and device for processing coal, ores and other solid materials of various weights

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018811B (en) * 1951-12-21 1957-11-07 Stamicarbon Three-product sink separator
CN111389580B (en) * 2020-03-19 2021-11-02 中国矿业大学 Three-product hydraulic flotation machine for coarse particle recovery and separation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE763801C (en) * 1935-12-15 1953-08-31 Fried Krupp A G Process and device for processing coal, ores and other solid materials of various weights
DE756361C (en) * 1939-03-01 1952-06-23 Directie Van De Staatsmijnen D Process and device for swimming and sink treatment

Also Published As

Publication number Publication date
FR757207A (en) 1933-12-22
GB420427A (en) 1934-11-26

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