EP2558215A1 - Crible pneumatique à plusieurs étages - Google Patents

Crible pneumatique à plusieurs étages

Info

Publication number
EP2558215A1
EP2558215A1 EP11718655A EP11718655A EP2558215A1 EP 2558215 A1 EP2558215 A1 EP 2558215A1 EP 11718655 A EP11718655 A EP 11718655A EP 11718655 A EP11718655 A EP 11718655A EP 2558215 A1 EP2558215 A1 EP 2558215A1
Authority
EP
European Patent Office
Prior art keywords
air
setzgutträger
setting
machine according
setzgutträgern
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.)
Granted
Application number
EP11718655A
Other languages
German (de)
English (en)
Other versions
EP2558215B1 (fr
Inventor
Hans-Josef Linnhoff
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.)
Allmineral Aufbereitungstechnik GmbH and Co KG
Original Assignee
Allmineral Aufbereitungstechnik GmbH and Co KG
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 Allmineral Aufbereitungstechnik GmbH and Co KG filed Critical Allmineral Aufbereitungstechnik GmbH and Co KG
Publication of EP2558215A1 publication Critical patent/EP2558215A1/fr
Application granted granted Critical
Publication of EP2558215B1 publication Critical patent/EP2558215B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B03B4/00—Separating by pneumatic tables or by pneumatic jigs
    • B03B4/005—Separating by pneumatic tables or by pneumatic jigs the currents being pulsating, e.g. pneumatic jigs; combination of continuous and pulsating currents
    • 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
    • B03B4/00—Separating by pneumatic tables or by pneumatic jigs
    • B03B4/02—Separating by pneumatic tables or by pneumatic jigs using swinging or shaking tables
    • 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
    • B03B4/00—Separating by pneumatic tables or by pneumatic jigs
    • B03B4/06—Separating by pneumatic tables or by pneumatic jigs using fixed and inclined tables ; using stationary pneumatic tables, e.g. fluidised beds
    • B03B4/065—Separating by pneumatic tables or by pneumatic jigs using fixed and inclined tables ; using stationary pneumatic tables, e.g. fluidised beds having inclined portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens

Definitions

  • the invention relates to an air drying machine for the dry processing of raw materials, especially coal, with a material feeding device, with at least one opening provided with Setzgutong and with a discharge device for during the setting process on the
  • Air funnel is supplied to an air flow, which consists of a Setzgutlike constantly flowing through partial flow and a constant partial flow superimposed pulsating partial flow.
  • the working air flowing through the setting material carrier is detected above the setting bed in a housing enclosing the setting material carrier and passed as exhaust air via a filter system.
  • level setting machine two setting material carriers are arranged one above the other, through which water flows in a setting drum located below the lower setting tray and is set into a pulsating movement.
  • the lower Setzgutaki is pierced by a pipe section connected to the setting barrel, so that the stroke of the pulsating water can be transferred to the upper Setzgutmé.
  • the upper Setzgutieri is pierced by a pipe socket to compensate for excess water buoyancy can.
  • the object of the invention is also to design an air-laying machine with the features of the generic type such that its treatment capacity is increased.
  • the invention provides in its basic idea that above the air supply line having a pulse valve switched on therein
  • Setzgutan is connected such that on the bypass air line, an additional working air flow into the space between the
  • Setzgutan can be introduced.
  • bypass air duct is arranged outside the housing of the air jet machine and angeschlos to a mounted on the housing wall air distributor, wherein in the housing wall, the air distributor with the gap
  • a control valve is switched on to control the amount of air flowing through the bypass air line.
  • the air setting machine can also be provided that are arranged in the space between the Setzgutierin enclosing wall by means of a control device adjustable blow-off.
  • the invention provides that in each case the same setting conditions are set to the upper setting tray and the lower setting tray; For this purpose, either the layer depth of the layered material to be stacked on the upper setting material can be adjusted or the setting area of the upper setting material carrier can be changed accordingly, or both aforementioned parameters can be designed jointly and in coordination with each other, depending on the flow of the lower setter carrier connected
  • bypass air lines and / or multiple blow-off openings are provided for setting different layer thicknesses of the heavy material layered on the setting material carrier in the lower and upper setting material carriers.
  • Cross section are adjustable.
  • Air supply line outside the air funnel a pulse valve to the common Generation of a constant partial flow and this superimposed pulsating partial flow is turned on, it being possible to provide that to the air supply line, a central fan for generating the air stream to be introduced into the air funnel is connected.
  • each of the chambers formed in the intermediate space in each case has its own bypass air line or several bypass air lines with the
  • Air supply line may be connected or else in the associated wall of the inter mediate space own exhaust openings aufwei sen can. Even with this measure, the setting conditions on the upper Setzguta in view of the setting conditions at the lower Setzgut lacking
  • the setting result and the throughput of the jig are improved according to an embodiment of the invention in that the Setzgutlini means s of an associated drive, preferably by means of a
  • Vibration exciter are vibrated.
  • each setter has his own
  • Material task for example, in the form of a cellular assigned i st, abutsbei game of the invention also provides that for both
  • a higher purity of the light material can only be achieved in a known Heilsetzmaschine that a certain proportion of light material is granted in heavy goods, but what with a two
  • Light goods containing heavy material layer is supplied from the upper Setzgutlike as feed to the lower Setzgut notion on which then takes place a separation of the light goods still contained in the heavy material from the heavy material. Since this process can be intensified with the arrangement of more two Setzgutologin, the production of more than three products in a Heilsetzmaschine is arranged in a cascade
  • the material application device for the material to be processed is assigned to the upper Setzgutaki and the Austragsvor- direction for the stratified on the upper Setzgutarbamate heavy material is connected as a material feeding device for the lower Setzgutaki with this ,
  • the upper and lower setting material carriers are arranged with an opposite inclination to one another.
  • Fig. 1 is an air net machine with two superimposed
  • Fi g. 3 shows the air setting machine according to FIG. 1 in another
  • air jig 1 0 has a feed hopper 1 1, which opens into a feeder 1 2, which is designed in a special way so that the feeder 1 2 in the Feeding hopper 1 1 reprocessed material to be prepared 1 7 to two
  • the two feed shafts 13 and 14 end in each case at one end of two in the air setting machine 1 0 in an inclined arrangement one above the other and spaced apart Setzgutangon 1 5 (upper Setzgutany) and 1 6 (lower
  • Discharge shaft 23 passes for the light goods. To improve the
  • Austragsarbeit is in the two j eweils provided for the heavy goods discharge shafts 2 1 still a cellular 22 for removal of the
  • the air jig 1 0 is completed on a above the upper Setzguta 1 5 elevating housing 25 to the outside, so that the resulting in the dry treatment, if necessary, not in the dust
  • Atmosphere can get.
  • the far outgoing from the upper Setzgutanin 1 5 exhaust air stream 27 is fed to a connected to the enclosure 25 exhaust system 26, which includes a filter system, not shown.
  • the environmental impact is kept correspondingly low by such a Heilsetzmaschine.
  • Below the lower Setzgutanys 1 6 a venturi 28 is arranged over which required for the implementation of the setting movement
  • the air funnel 28 is divided by a partition wall 29 into two separate chambers 30, 3 1, of which the first chamber 30 is adjacent to the feed shaft 1 3 and 1 4 and the second chamber 3 1 to the first chamber 30 in the conveying direction connected via the Setzguta 1 5, 1 6 in each case led led material.
  • an air supply line 32 is inserted into which each chamber 30, 3 1 is assigned, in each case an outlet 33 is arranged, so that the working air 35 brought in via the air supply line 32 via the respective outlet 33 into the chamber 30 or 3 1 can flow.
  • a pulse valve 34 is turned on in the air supply line 32 in front of the air funnel 28, via which both the Setzguta 1 5, 1 6 constantly flowing through
  • Tei lstrom of working air and the above stored pulsating partial flow is generated.
  • the two Setzguta 1 5 and 1 6 are still connected in the illustrated embodiment to a vibration exciter 36, by means of which to improve the material transport on the Setzgutany this Setzgutany 1 5, 16 relative to the fixed air funnel 28 and the housing 25 are moved.
  • the two Setzgutany 1 5, 1 6 j each have a relative movement between the
  • Separation flap 41 is arranged, which the space between the
  • the partition flap 41 is a sealing of the chambers 30 a, 3 1 a connected to each other.
  • the separating flap 41 is movably suspended around an outwardly performed shaft 42, wherein on the shaft 42, an arm 43 is mounted, which carries an adjustable weight 44.
  • the angular position of the arm 43 serves at the same time as an indicator of the thickness of the total on the lower Setzgutla 1 6 resting material layer.
  • the j eweils to the two chambers 30 a and 30 b of the space between the Setzgutlinin 1 5, 1 6 connected bypass air lines 50 a and 50 b go from the central air supply line 32, from the portion between the pulse valve 34 and the air vent 28th
  • the air flow in the two chambers 30, 3 1 is not the same, but possibly due to the adjustable opening cross sections of the outlets 33 already a chamber-specific throttling has taken place, so that these individual control by the arrangement of the bypass air lines 50 a and 50 b outside the chambers 30, 3 1 is taken into account.
  • the two bypass air ducts 50a and 50b are externally led up to the housing of the air setting machine in the region of the intermediate space between the Setzgutlinin 1 5, 1 6 and in each case an externally attached to the housing Heilvertei ler 5 1.
  • the at the air distributor 5 1 are connected via in the housing wall 40 excluded from the bypass air lines 50a, 50b zoom introduced additional air quantity through the air distributor 5 1 and the nozzle openings 52 can flow into the intermediate space.
  • the nozzle openings 52 have no like chdale cross section, but are designed so that the most uniform distribution of the additional air flow under the upper Setzgutitati 1 5 is formed.
  • control valves 53 are turned on, so that the introduced into the chambers 30a and 30b additional air quantity can be set in each case individually to account for any ge differences in setting behavior on the lower and upper Setzguta.
  • the introduced additional quantity of air is intended to compensate for the leakage losses of setting air occurring, in particular in the region of the task cellular wheel 1 2 and the discharge cell wheels 22.
  • adjustable Abblasö réelleen be arranged to reduce the upper Setzgutaki 1 5 out of the air vent 28 outgoing working air.
  • the embodiment shown in Figure 3 differs from the embodiments shown in Fi gures 1 or 2 essentially in that the two stacked Setzguta 1 5 and 1 6 do not serve to increase the overall throughput of the air jig 1 0 by parallel connection, but that the both Setzguta 1 5 and 1 6 in terms of improving the Trenner spirits and the production of another third product are connected in series.
  • the two Setzguta 1 5 and 1 6 are arranged with an opposite inclination to each other, wherein the generated on the upper Setzguta 1 5 heavy material layer 1 8 is fed via a discharge and feed device 38 as a material task the lower Setzgutany 1 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

L'invention concerne un crible pneumatique avec un dispositif de chargement du matériau, avec au moins un support de produit à cribler pourvu d'ouvertures, et avec au moins un dispositif d'évacuation de produit lourd et de produit léger, le support de produit à cribler étant traversé par un flux d'air formant l'air de travail, qui se compose d'un flux partiel traversant de manière constante le support de produit à cribler et d'un flux partiel pulsé superposé. Selon l'invention, au moins deux supports de produit à cribler (15, 16), disposés à distance l'un au-dessus de l'autre, traversés successivement par le flux d'air introduit dans le diffuseur (28) et pourvus chacun d'un dispositif de chargement de matériau (13, 14) et d'un dispositif d'évacuation (20), sont disposés au-dessus du diffuseur (28) raccordé à une conduite d'amenée d'air (32) dans laquelle est montée une vanne à impulsions (34). L'espace intermédiaire entre les supports de produit à cribler (15, 16) est entouré d'une paroi extérieure (40) et, pour augmenter le volume d'air à apporter au support de produit à cribler supérieur (15), au moins une conduite d'air de dérivation (50a, b) contournant le support de produit à cribler inférieur (16) part de la conduite d'amenée d'air (32) en aval de la vanne à impulsions (34) et est raccordée à l'espace intermédiaire entre les deux supports de produit à cribler (15, 16) de telle sorte qu'un flux supplémentaire d'air de travail peut être introduit via la conduite d'air de dérivation (50a, b) dans l'espace intermédiaire entre les supports de produit à cribler (15, 16).
EP11718655.1A 2010-04-15 2011-04-14 Crible pneumatique à plusieurs étages Active EP2558215B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010015232 2010-04-15
PCT/EP2011/001898 WO2011147504A1 (fr) 2010-04-15 2011-04-14 Crible pneumatique à plusieurs étages

Publications (2)

Publication Number Publication Date
EP2558215A1 true EP2558215A1 (fr) 2013-02-20
EP2558215B1 EP2558215B1 (fr) 2017-03-08

Family

ID=44278839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11718655.1A Active EP2558215B1 (fr) 2010-04-15 2011-04-14 Crible pneumatique à plusieurs étages

Country Status (4)

Country Link
US (1) US8800776B2 (fr)
EP (1) EP2558215B1 (fr)
AU (1) AU2011257627B2 (fr)
WO (1) WO2011147504A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012016057A1 (de) * 2012-08-14 2014-02-20 Grimme Landmaschinenfabrik Gmbh & Co. Kg Trennvorrichtung für eine Kartoffelerntemaschine oder eine Aufbereitungsmaschine
CN105939792B (zh) * 2014-01-31 2019-05-31 蒂森克虏伯工业解决方案股份公司 具有旁路的分离器
CN104998715B (zh) * 2014-03-14 2020-12-18 台州智子科技有限公司 一种干式选煤方法
CN106622623B (zh) * 2016-12-28 2018-08-21 大同裕隆环保有限责任公司 可移动动筛跳汰干式选煤机
CN109604042B (zh) * 2018-12-29 2021-03-09 天地（唐山）矿业科技有限公司 一种宽粒级脉动浅槽重介质分选机
CN113301999B (zh) 2019-01-25 2023-04-18 全矿物加工技术有限合伙公司 带有压力测量设备的风力跳汰机
CN114534903B (zh) * 2022-03-19 2024-02-02 焦作煤业（集团）有限责任公司 一种煤炭洗选加工设备及洗选方法
US20240009707A1 (en) * 2022-07-11 2024-01-11 Volt Carbon Technologies Inc. Air classifier

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Publication number Priority date Publication date Assignee Title
US2429343A (en) * 1944-10-30 1947-10-21 Henry M Carter Peanut cleaner consisting of gaseous suspension and sifting means
SK278526B6 (en) * 1987-11-27 1997-08-06 Roman Mueller Separaton method for heavy additives, particularly stones, from grained material and device for carrying out this method
US5087351A (en) * 1990-08-02 1992-02-11 Golden Peanut Company, A Georgia General Partnership Fluidized bed peanut sorter
US6907996B1 (en) * 2000-07-20 2005-06-21 Arthur P. Fraas Application of complex-mode vibration-fluidized beds to the separation of granular materials of different density
CN2628165Y (zh) * 2003-05-18 2004-07-28 唐山市神州机械有限公司 复合式干法选煤装置
DE202005007472U1 (de) * 2005-05-11 2005-07-14 Allmineral Aufbereitungstechnik Gmbh & Co Kg Luftsetzmaschine mit variabler Luftzufuhr
CN2889496Y (zh) * 2006-04-27 2007-04-18 唐山陆凯科技有限公司 风力跳汰干法选煤机

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
AU2011257627B2 (en) 2013-05-23
WO2011147504A1 (fr) 2011-12-01
US8800776B2 (en) 2014-08-12
AU2011257627A1 (en) 2012-11-08
EP2558215B1 (fr) 2017-03-08
US20130032513A1 (en) 2013-02-07

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