FR847809A - Method of classifying grain material, for example coal, using a dense liquid - Google Patents

Method of classifying grain material, for example coal, using a dense liquid

Info

Publication number
FR847809A
FR847809A FR847809DA FR847809A FR 847809 A FR847809 A FR 847809A FR 847809D A FR847809D A FR 847809DA FR 847809 A FR847809 A FR 847809A
Authority
FR
France
Prior art keywords
grain material
dense liquid
example coal
classifying
classifying grain
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
Other languages
French (fr)
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.)
Fried Krupp Grusonwerk AG
Original Assignee
Fried Krupp Grusonwerk AG
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 Fried Krupp Grusonwerk AG filed Critical Fried Krupp Grusonwerk AG
Application granted granted Critical
Publication of FR847809A publication Critical patent/FR847809A/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
    • B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
    • B03B13/005—Methods or arrangements for controlling the physical properties of heavy media, e.g. density, concentration or viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
    • G01N9/18—Special adaptations for indicating, recording, or control

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
FR847809D 1938-03-24 1938-12-20 Method of classifying grain material, for example coal, using a dense liquid Expired FR847809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK150030D DE741847C (en) 1938-03-24 1938-03-24 Process for the automatic control of the weight of the heavy fluid in the circuit in the sink and float treatment of grainy material

Publications (1)

Publication Number Publication Date
FR847809A true FR847809A (en) 1939-10-17

Family

ID=7252034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847809D Expired FR847809A (en) 1938-03-24 1938-12-20 Method of classifying grain material, for example coal, using a dense liquid

Country Status (2)

Country Link
DE (1) DE741847C (en)
FR (1) FR847809A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE96516C (en) *
GB325031A (en) * 1928-11-27 1930-02-13 Clean Coal Company Ltd Improvements in the cleaning of carbonaceous materials
FR756834A (en) * 1933-06-13 1933-12-15 Device for the automatic control of the density of liquids circulating in a pipeline, or other similar applications
FR805429A (en) * 1935-04-08 1936-11-19 Method and apparatus for the separation of heterogeneous mixtures
GB451402A (en) * 1935-11-29 1936-08-05 Felicien Joseph Meunier Improvements relating to the purification of coal or like products

Also Published As

Publication number Publication date
DE741847C (en) 1943-11-18

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