GB1249883A - A method of and apparatus for mixing and sub-dividing a large sample of material to obtain a smaller sample - Google Patents

A method of and apparatus for mixing and sub-dividing a large sample of material to obtain a smaller sample

Info

Publication number
GB1249883A
GB1249883A GB50849/68A GB5084968A GB1249883A GB 1249883 A GB1249883 A GB 1249883A GB 50849/68 A GB50849/68 A GB 50849/68A GB 5084968 A GB5084968 A GB 5084968A GB 1249883 A GB1249883 A GB 1249883A
Authority
GB
United Kingdom
Prior art keywords
drum
baffles
mixing
sample
sub
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
GB50849/68A
Inventor
Laszlo Torok
Tivadar Markotai
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.)
APRITOGEPGYAR
Original Assignee
APRITOGEPGYAR
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 APRITOGEPGYAR filed Critical APRITOGEPGYAR
Priority to GB50849/68A priority Critical patent/GB1249883A/en
Publication of GB1249883A publication Critical patent/GB1249883A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F29/00—Mixers with rotating receptacles
    • B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
    • B01F29/63—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with fixed bars, i.e. stationary, or fixed on the receptacle

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

1,249,883. Sampling apparatus. APRITOGEPGYAR. 25 Oct., 1968, No. 50849/68. Heading B8N. [Also in Division B1] Sampling apparatus comprises a rotatable drum 11 provided with baffles 3-6 arranged such that when the drum is rotated in one direction, material within the drum is lifted by the baffles 3 and guided by baffles 5, 6 to. fall into the centre of the drum thus being mixed, and when rotated in the opposite direction, material in the drum is split into two portions, each of which is guided by baffles 4 out of openings 7, see Fig. 2, in the side faces 1 of the drum. The portions are discharged into similar mixing drums (not shown), one on each side of drum 11, and the mixing and dividing procedure is carried out on each portion. Of the two divided portions formed in each side drum, one is returned to the central drum 11 to be further mixed and sub-divided, and the other is rejected. By repeated mixing and division in this way, a representative small sample suitable for testing purposes may be obtained from a large initial sample.
GB50849/68A 1968-10-25 1968-10-25 A method of and apparatus for mixing and sub-dividing a large sample of material to obtain a smaller sample Expired GB1249883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB50849/68A GB1249883A (en) 1968-10-25 1968-10-25 A method of and apparatus for mixing and sub-dividing a large sample of material to obtain a smaller sample

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50849/68A GB1249883A (en) 1968-10-25 1968-10-25 A method of and apparatus for mixing and sub-dividing a large sample of material to obtain a smaller sample

Publications (1)

Publication Number Publication Date
GB1249883A true GB1249883A (en) 1971-10-13

Family

ID=10457631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50849/68A Expired GB1249883A (en) 1968-10-25 1968-10-25 A method of and apparatus for mixing and sub-dividing a large sample of material to obtain a smaller sample

Country Status (1)

Country Link
GB (1) GB1249883A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412838A1 (en) * 1977-12-20 1979-07-20 Fives Cail Babcock APPARATUS FOR TAKING SAMPLES FROM A STREAM OF GRANULAR OR POWDERY MATERIALS
US4569597A (en) * 1984-10-10 1986-02-11 United Utensils Company, Inc. Solids blending apparatus
WO1986002284A1 (en) * 1984-10-10 1986-04-24 United Utensils Company Solids blending apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412838A1 (en) * 1977-12-20 1979-07-20 Fives Cail Babcock APPARATUS FOR TAKING SAMPLES FROM A STREAM OF GRANULAR OR POWDERY MATERIALS
US4569597A (en) * 1984-10-10 1986-02-11 United Utensils Company, Inc. Solids blending apparatus
WO1986002284A1 (en) * 1984-10-10 1986-04-24 United Utensils Company Solids blending apparatus

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