EP1663498B1 - Verfahren zum betreiben einer fragmentieranlage sowie anlage dafür - Google Patents

Verfahren zum betreiben einer fragmentieranlage sowie anlage dafür Download PDF

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Publication number
EP1663498B1
EP1663498B1 EP04763542A EP04763542A EP1663498B1 EP 1663498 B1 EP1663498 B1 EP 1663498B1 EP 04763542 A EP04763542 A EP 04763542A EP 04763542 A EP04763542 A EP 04763542A EP 1663498 B1 EP1663498 B1 EP 1663498B1
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EP
European Patent Office
Prior art keywords
fragmentation
reaction vessel
process fluid
reaction zone
fragmentation product
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.)
Active
Application number
EP04763542A
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German (de)
English (en)
French (fr)
Other versions
EP1663498A1 (de
Inventor
Wolfgang Frey
Ralf Strässner
Andreas Schormann
Kurt Giron
Harald Giese
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.)
Karlsruher Institut fuer Technologie KIT
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Karlsruher Institut fuer Technologie KIT
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Publication of EP1663498A1 publication Critical patent/EP1663498A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B02C2019/183—Crushing by discharge of high electrical energy

Definitions

  • the invention relates to a method for operating a Fragmentierstrom for more effective grinding of Fragmentiergut of mineral and / or brittle materials to target particle sizes ⁇ 5 mm and a Fragmentierstrom that is operated by this method.
  • the Fragmentierstrom consists of an electrical energy storage, which is pulsed in a reaction vessel to the Fragmentiergut in a process fluid between two spaced-opposite electrode ends - the reaction zone - is discharged.
  • the fragmentation material present in the process liquid between the two electrode ends is comminuted by electrical breakdowns and shock waves generated thereby.
  • These mineral and / or brittle materials may be uniform, such as rock / rock or glass, or conglomerated, such as rock and concrete.
  • the target grain sizes are ⁇ 5 mm, preferably even ⁇ 2 mm.
  • Fragmented particles below this particle size are sucked out of the process area via filter cartridges. See, for example, gravel and sand extraction or grinding of color bodies, more generally non-composites. Fragments, such as those obtained when a building is demolished, are constantly refilled into the process area, oriented on the extracted fragmentation material.
  • the Fragmentierstrom consists of an electrical energy storage, which is discharged via a spark gap impulsively to a load.
  • the load is the process fluid in the interelectrode region and the fragmentation material buried therein.
  • the two electrodes are located therein, completely immersed with its respective end, on a predetermined n, adjustable spacing.
  • the process fluid taken in the reaction vessel, in which the Fragmentiergut poured into it and the fragmented Good is taken off and below the predetermined threshold for the grain size.
  • the SU 888 355 A1 discloses an electrodynamic fragmenting apparatus in which lumpy material is fragmented over a perforated bottom, the perforation of the bottom serving as a water purging from below. Sufficient shredded material is carried along by the upwardly flowing water. A sieve in the upward stream will only pass grain at or below target size. Too large grain, which is also carried by the water stream, gets stuck in front of the stream, is discharged and fed again together with fresh feed to the reaction zone.
  • This object is procedurally achieved by the step characterized in the first claim of the Aufwirbelung of Fragmentierguts in the filled with process liquid space between the electrode ends and the settled at the bottom of the reaction vessel Fragmentierguts.
  • the Fragmentiergut located in the process liquid is constantly held in suspension and thus forms a suspension with the process liquid. From this suspension, the proportion of processed Fragmentierguts that has reached or fallen below the target grain size, discharged from the reaction vessel and the Zielkornmother exceeding Fragmentiergut - which are the coarse fractions - again fed to the reaction zone.
  • a fragmentation system according to the characterizing features of claim 2 .
  • a device containing the fragmentation material suspended in the process liquid is suspended, since no air, relative dielectric constant ⁇ r near 1, or no gas, ⁇ r , may be introduced into the process space.
  • a device is mounted on or in the reaction vessel, the the suspension, the fragmentation product, and rejects them below the target particle size, means for supplying lüssig F Estonia F separation and returns fragmentation product above this target particle size in the reaction vessel.
  • at least one return line for process liquid opens into the reaction vessel.
  • filters immersed in the process liquid in the reactor such as filter baskets or filter cartridges, are used for the separation.
  • the device for this purpose must be set up and adjusted so that the fragmentation material in the process fluid is kept in suspension without the formation of dead zones.
  • such devices from the screening technology known filters in the form of baskets, cartridges, for example, w obei then due to the shock wave due to the electrical discharge, the distance to the electrode gap cleaning and destruction is set to avoid.
  • the intensity decreases with 1 / r 2 from the shockwave source.
  • fines of the millbase can be kept in suspension during the fragmentation in the process fluid and repeatedly returned to the electrical discharge area.
  • the suction cartridge or the suction cartridges are seated in such a way that the fragmented material is likely to hit them and the sufficiently small particle sizes are sucked out.
  • fragments still hanging on the sieve of the suction cartridge are shaken off by the shock wave / s triggered by the discharge channel (s).
  • the electrical part, the charger, the energy storage and the spark gap are u.a. devices known from the above-cited prior art.
  • the electrical energy store is a capacitor bank, which is discharged with interposed spark gaps in the self-breakdown of the load in the inter-electrode space in the reaction vessel.
  • the electrical part is a Marx generator whose electrical charging and discharging from the high power electrical / voltage pulse technology is known.
  • the figure shows the barrel-shaped reaction vessel standing on supports.
  • the high-voltage electrode which is electrically insulated up to its free end region, projects into the interior of the reaction vessel through the lid.
  • the high voltage electrode is not rigidly guided in the lid so that shock and shock wave action resulting from electrical discharge can not be transmitted.
  • the bare metal end region is completely submerged in the process liquid taken in the reaction vessel, which is water here. Even the insulation sheath sticks out far into the water. On him no creepage distances may be formed in long-term operation.
  • the counterelectrode is here, for example, spherically lowered bottom of the reaction vessel itself. This can be the entire floor or just a central part of it.
  • the counter electrode is connected to a fixed potential, the reference potential, in the general ground potential.
  • the reference potential in the general ground potential.
  • On the ground potential electrode centrally deposited, Fragmentiergut indicated.
  • the discharge channel should form, starting from the top of the cooking voltage electrode, through the material to be fragmented through to the ground potential electrode, or should form a conical region of discharge channels from the front of the high-voltage electrode to the central bottom region.
  • the flow which provides for the fluidizing, is controlled in its thickness and at its flow beginning in the direction.
  • This device for generating flow and resuspension of Fragmentierguts here surrounds the high voltage electrode coaxial.
  • the supply line feeds into the coaxially seated ring line.
  • the loop is electrically safe and, shock waves with tolerable effort, mounted on the vessel wall.
  • the nozzles can be aligned in their outflow direction so that, depending on the material to be fragmented, process-optimal fluidization can be set or readjusted.
  • the flow rate is adjusted with a pump, which presses the pure process liquid into the loop.
  • the nozzles direct the currents at the bottom to the floor center.
  • the settled there or settling Fragmentiergut is so constantly stirred up and kept in suspension. Flowless areas are avoided throughout the water volume.
  • the filter cartridge is completely submerged in water.
  • the grid surrounding the filter cartridge determines with its mesh size the largest extractable grain size.
  • the suspension passing through the filter cartridge is separated into its liquid component, the process water, and its solid components in the centrifuge indicated on the right in the image.
  • the water is returned via the supply line to the loop in the reaction zone , possibly previously mixed with fresh water, returned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Disintegrating Or Milling (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Hybrid Cells (AREA)
  • Fats And Perfumes (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electrotherapy Devices (AREA)
EP04763542A 2003-09-13 2004-07-28 Verfahren zum betreiben einer fragmentieranlage sowie anlage dafür Active EP1663498B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10342376A DE10342376B3 (de) 2003-09-13 2003-09-13 Verfahren zum Betreiben einer Fragmentieranlage und Fragmentrieranlage zur Durchführung des Verfahrens
PCT/EP2004/008414 WO2005028116A1 (de) 2003-09-13 2004-07-28 Verfahren zum betreiben einer fragmentieranlage sowie anlage dafür

Publications (2)

Publication Number Publication Date
EP1663498A1 EP1663498A1 (de) 2006-06-07
EP1663498B1 true EP1663498B1 (de) 2010-11-17

Family

ID=34352823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04763542A Active EP1663498B1 (de) 2003-09-13 2004-07-28 Verfahren zum betreiben einer fragmentieranlage sowie anlage dafür

Country Status (14)

Country Link
US (1) US8002209B2 (da)
EP (1) EP1663498B1 (da)
JP (1) JP2007504937A (da)
CN (1) CN1849172B (da)
AT (1) ATE488298T1 (da)
AU (1) AU2004274091B2 (da)
CA (1) CA2555476C (da)
DE (2) DE10342376B3 (da)
DK (1) DK1663498T3 (da)
ES (1) ES2356314T3 (da)
NO (1) NO330936B1 (da)
RU (1) RU2326736C2 (da)
WO (1) WO2005028116A1 (da)
ZA (1) ZA200602074B (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006037914B3 (de) * 2006-08-11 2008-05-15 Ammann Schweiz Ag Reaktionsgefäß einer hochspannungsimpulstechnischen Anlage und Verfahren zum Zertrümmern/Sprengen spröder, hochfester keramischer/mineralischer Werk-/Verbundwerkstoffe
FR2942149B1 (fr) 2009-02-13 2012-07-06 Camille Cie D Assistance Miniere Et Ind Procede et systeme de valorisation de materiaux et/ou produits par puissance pulsee
DE102009032297A1 (de) * 2009-07-09 2011-01-13 Qsil Ag Quarzschmelze Ilmenau Verfahren zur Herstellung eines hochreinen Quarz-Granulates
FR2949356B1 (fr) 2009-08-26 2011-11-11 Camille Cie D Assistance Miniere Et Ind Procede et systeme de valorisation de materiaux et / ou produits par puissance pulsee
CN103857471B (zh) * 2011-10-10 2016-04-13 泽尔弗拉格股份公司 用于借助高压放电击碎和/或预弱化材料的方法
EP2888053B1 (de) * 2012-08-24 2016-07-27 selFrag AG Verfahren und vorrichtung zur fragmentierung und/oder schwächung von material mittels hochspannungspulsen
CN103551231B (zh) * 2013-11-18 2015-05-27 中南大学 一种脉冲破碎机构、海底富钴结壳破碎系统及破碎方法
CN103753701B (zh) * 2013-12-30 2015-12-09 华中科技大学 一种脉冲放电回收混凝土系统
RU2564868C1 (ru) * 2014-06-30 2015-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" Способ разрушения горных пород
US10730054B2 (en) * 2015-02-27 2020-08-04 Selfrag Ag Method and device for fragmenting and/or weakening pourable material by means of high-voltage discharges
US10919045B2 (en) * 2015-02-27 2021-02-16 Selfrag Ag Method and device for fragmenting and/or weakening pourable material by means of high-voltage discharges
CN104984807B (zh) * 2015-07-08 2017-10-31 温州科技职业学院 一种用于连续放电破碎矿石的装置及其破碎矿石的方法
DE102017217611A1 (de) * 2017-10-04 2019-04-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Recyceln von Keramiken, danach erhältliche Regenerate und Verwendung der Regenerate zur Herstellung von Keramiken
RU179643U1 (ru) * 2018-02-01 2018-05-21 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулёва" Министерства обороны Российской Федерации Камера для разрушения клеточных структур растительных тканей
DE102018003512A1 (de) * 2018-04-28 2019-10-31 Diehl Defence Gmbh & Co. Kg Anlage und Verfahren zur elektrodynamischen Fragmentierung
CN110215985B (zh) * 2019-07-05 2021-06-01 东北大学 一种用于矿石粉碎预处理的高压电脉冲装置

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
FR1341851A (fr) * 1962-12-17 1963-11-02 Enertron Corp Procédé et appareil pour le traitement de matières, notamment par pulvérisation et le mélange de matières par une nouvelle action électrohydraulique
US3715082A (en) * 1970-12-07 1973-02-06 Atomic Energy Authority Uk Electro-hydraulic crushing apparatus
US3770212A (en) * 1971-04-08 1973-11-06 V Ivashkin Method of comminuting materials preferably conducting materials, and an apparatus for accomplishing the same
SU888355A1 (ru) 1980-07-16 1991-11-07 Yutkin L A Электрогидравлическа дробилка
ZW11783A1 (en) * 1982-05-21 1983-10-12 De Beers Ind Diamond Method and apparatus for comminuting minerals
US4964576A (en) * 1988-04-04 1990-10-23 Datta Rabinder S Method and apparatus for mineral matter separation
RU2069588C1 (ru) 1990-12-07 1996-11-27 Геннадий Николаевич Гаврилов Способ электрогидравлической диспергации материала
US5522553A (en) * 1994-09-29 1996-06-04 Kady International Method and apparatus for producing liquid suspensions of finely divided matter
DE19534232C2 (de) * 1995-09-15 1998-01-29 Karlsruhe Forschzent Verfahren zur Zerkleinerung und Zertrümmerung von aus nichtmetallischen oder teilweise metallischen Bestandteilen konglomerierten Festkörpern und zur Zerkleinerung homogener nichtmetallischer Festkörper
FR2833192B1 (fr) * 2001-12-11 2004-08-06 Commissariat Energie Atomique Procede de broyage d'une matiere carbonee conductrice par application d'impulsions haute-tension en milieu liquide
JP4786205B2 (ja) * 2005-03-14 2011-10-05 浜松ホトニクス株式会社 カーボンナノチューブの加工方法、及び加工装置
US20080135656A1 (en) * 2006-12-07 2008-06-12 Bradley Jeff D Tub Grinder with Built-In Colorant System

Also Published As

Publication number Publication date
ATE488298T1 (de) 2010-12-15
ES2356314T3 (es) 2011-04-06
RU2326736C2 (ru) 2008-06-20
ZA200602074B (en) 2007-04-25
DE10342376B3 (de) 2005-07-07
WO2005028116A1 (de) 2005-03-31
RU2006112208A (ru) 2006-08-27
NO330936B1 (no) 2011-08-22
JP2007504937A (ja) 2007-03-08
CN1849172B (zh) 2012-05-30
US8002209B2 (en) 2011-08-23
CA2555476A1 (en) 2005-03-31
AU2004274091A1 (en) 2005-03-31
AU2004274091B2 (en) 2008-07-17
DE502004011912D1 (de) 2010-12-30
EP1663498A1 (de) 2006-06-07
US20080283639A1 (en) 2008-11-20
CN1849172A (zh) 2006-10-18
DK1663498T3 (da) 2010-12-20
CA2555476C (en) 2010-05-18
NO20061448L (no) 2006-03-30

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