ATE19209T1 - JITTING MACHINE FOR CUTTING MATERIAL AND PROCESS FOR CUTTING COAL AND SLATE. - Google Patents

JITTING MACHINE FOR CUTTING MATERIAL AND PROCESS FOR CUTTING COAL AND SLATE.

Info

Publication number
ATE19209T1
ATE19209T1 AT81302159T AT81302159T ATE19209T1 AT E19209 T1 ATE19209 T1 AT E19209T1 AT 81302159 T AT81302159 T AT 81302159T AT 81302159 T AT81302159 T AT 81302159T AT E19209 T1 ATE19209 T1 AT E19209T1
Authority
AT
Austria
Prior art keywords
wash
box
compression chamber
water
stratification compartment
Prior art date
Application number
AT81302159T
Other languages
German (de)
Inventor
Geoffrey Francis Craven
Original Assignee
Mitchell Cotts Mining Equip
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 Mitchell Cotts Mining Equip filed Critical Mitchell Cotts Mining Equip
Application granted granted Critical
Publication of ATE19209T1 publication Critical patent/ATE19209T1/en

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
    • B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
    • B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs
    • B03B5/24—Constructional details of jigs, e.g. pulse control devices

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Saccharide Compounds (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

A wash-box for separating materials of different densities (e.g. coal and shale) comprises a stratification compartment (8), a perforate grid plate (12) extending across an upper part of the stratification compartment, and means (20, 22) by which water is admitted to the wash-box. The wash-box comprises a compression chamber (10) in underwater communication with the stratification compartment, and pressure applying means (14, 16, 18, 19) operative alternately to pressurise and de-pressurise the compression chamber (10), to cause repeated rising and falling of movement of water in the stratification compartment, to stratify raw material on the grid plate (12). The wash-box comprises a control device (24), comprising a pressure transducer (26) operative to measure the pressure pertaining in the compression chamber (10), in particular the average pressure pertaining in the compression chamber over a complete cycle of rising and falling movement of the water in the stratification compartment, and to produce a control signal dependent upon such measurement. The control signal is compared with a preset value, and the difference between the control signal and said preset value is utilised to determine the rate of admission of water to the wash-box, by actuation of a valve (22).
AT81302159T 1980-05-15 1981-05-15 JITTING MACHINE FOR CUTTING MATERIAL AND PROCESS FOR CUTTING COAL AND SLATE. ATE19209T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8016117 1980-05-15
EP81302159A EP0040519B1 (en) 1980-05-15 1981-05-15 Washbox for separating materials, and a method of separating coal from shale

Publications (1)

Publication Number Publication Date
ATE19209T1 true ATE19209T1 (en) 1986-05-15

Family

ID=10513448

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81302159T ATE19209T1 (en) 1980-05-15 1981-05-15 JITTING MACHINE FOR CUTTING MATERIAL AND PROCESS FOR CUTTING COAL AND SLATE.

Country Status (3)

Country Link
EP (1) EP0040519B1 (en)
AT (1) ATE19209T1 (en)
DE (1) DE3174384D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237248C2 (en) * 1982-10-07 1987-05-14 Vorošilovgradskij filial gosudarstvennogo proektno-konstruktorskogo i naučno-issledovatel'skogo instituta po avtomatizacii ugol'noj promyšlennosti "Giprougleavtomatizacija", Vorošilovgrad Method and device for controlling the pulsating setting water flow in wet setting machines
GB2189717B (en) * 1986-04-29 1990-08-08 Zabrzanskie Gwarectwo Weglowe Coal washer
FR2617972A1 (en) * 1987-07-09 1989-01-13 Fives Cail Babcock Method and system for regulating the frequency of pulsating of a pulsed-air densimetric classification apparatus
DE102010018976B4 (en) * 2010-04-27 2011-11-17 Mbe Coal & Minerals Technology Gmbh Method for operating a jig
PL3221057T3 (en) * 2014-11-19 2019-10-31 Akai Gmbh & Co Kg Method and device for separating materials according to their density

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB453784A (en) * 1935-03-21 1936-09-18 Int Comb Ltd Improvements in or relating to plant for cleaning coal and other like granular material
GB811460A (en) * 1956-04-26 1959-04-08 Automatic Coal Cleaning Compan Apparatus for controlling and recording the operation of washer boxes
GB991535A (en) * 1963-12-24 1965-05-12 Westfalia Dinnendahl Jig with jig compartments symmetrically arranged on both sides of a central compressed air chamber
FR1408196A (en) * 1964-03-06 1965-08-13 Stamicarbon Method and device for the separation of particles of different density
DE1197822B (en) * 1964-11-12 1965-08-05 Schuechtermann & Kremer Device for monitoring the supply of material to setting machines with pulse chambers arranged below the setting screen
US4019981A (en) * 1973-10-20 1977-04-26 Klockner-Humboldt-Deutz Aktiengesellschaft Method and apparatus for the preparation of mineral mixtures on a jig controlled by compressed air
DE2539374C2 (en) * 1975-09-04 1982-12-02 Klöckner-Humboldt-Deutz AG, 5000 Köln Method and device for processing mineral mixtures, in particular raw charcoal, on a compressed air-controlled wet setting machine
HU189443B (en) * 1977-01-15 1986-07-28 Norton-Harty Colliery Ang.Ltd,Gb Washery

Also Published As

Publication number Publication date
EP0040519A1 (en) 1981-11-25
DE3174384D1 (en) 1986-05-22
EP0040519B1 (en) 1986-04-16

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Legal Events

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