EP1243339A2 - Procédé pour la séparation sélective des particules d'une suspension - Google Patents

Procédé pour la séparation sélective des particules d'une suspension Download PDF

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Publication number
EP1243339A2
EP1243339A2 EP02004850A EP02004850A EP1243339A2 EP 1243339 A2 EP1243339 A2 EP 1243339A2 EP 02004850 A EP02004850 A EP 02004850A EP 02004850 A EP02004850 A EP 02004850A EP 1243339 A2 EP1243339 A2 EP 1243339A2
Authority
EP
European Patent Office
Prior art keywords
process liquid
suction device
mesh
suction
fragmented
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
EP02004850A
Other languages
German (de)
English (en)
Other versions
EP1243339A3 (fr
EP1243339B1 (fr
Inventor
Wolfram Edinger
Volker Neubert
Christoph Dr. Schultheiss
Ralf Strässner
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.)
Forschungszentrum Karlsruhe GmbH
Original Assignee
Forschungszentrum Karlsruhe GmbH
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 Forschungszentrum Karlsruhe GmbH filed Critical Forschungszentrum Karlsruhe GmbH
Publication of EP1243339A2 publication Critical patent/EP1243339A2/fr
Publication of EP1243339A3 publication Critical patent/EP1243339A3/fr
Application granted granted Critical
Publication of EP1243339B1 publication Critical patent/EP1243339B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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 suction device in a shock wave generating Fragmentation device for suctioning fragmented Good.
  • Fragmentation systems are known in which over current Discharges in a process fluid along shock waves along the discharge channels along the material to be fragmented are generated, which are then based on the good to be fragmented striking outside, acting.
  • the one filled in the reaction vessel in the process liquid sinking fragmentation material is in the reaction space between the tip of the high voltage electrode and the bottom of the vessel the electrical discharges of a capacitive energy store exposed and smashed. From a certain grain size are fraction parts by the discharge or the Shock wave in a row whirled up in the process liquid and distributed in it. A kind of suspension is created. Not vacuumed Fraction parts, on the other hand, sink again and become again exposed to unloading and further destruction.
  • the task is performed by a suction device according to the preamble of claim 1 and its characteristic features solved.
  • the basket at the end of the suction device, which is in the process liquid protrudes, and the mesh covering the basket are made of a tough, shock wave resistant material.
  • the Mesh size of the fabric determines up to which grain size particles suspended in the process liquid are sucked out. Particles with grain size above it, oversize held in the process liquid and by the on the basket incoming shock wave and its releasing effect again in the fragmentation volume forced back to the subsequent smashing process to be exposed again.
  • the mesh fabric on the one hand from an electrically conductive Tissue such as stainless steel (claim 2), which, as requested over the mechanical stress is also chemically resistant to the Process liquid and the substances dissolved in it, or from a dielectric fabrics such as tough plastic with such mechanically and chemically resistant properties.
  • an electrically conductive Tissue such as stainless steel (claim 2), which, as requested over the mechanical stress is also chemically resistant to the Process liquid and the substances dissolved in it, or from a dielectric fabrics such as tough plastic with such mechanically and chemically resistant properties.
  • suction baskets can be replaced quickly and by suction baskets with a different mesh size on the suction basket can be replaced is the production of narrow-band grain size fillings easy to achieve. With every shock wave generation there is always a knock on the surrounding of the suction basket Grid instead. This makes it a continuous one Operation of such a fragmentation system possible, but not must be interrupted by a special cleaning phase.
  • the reaction vessel ( Figure 2) is partially with process liquid filled, which is water here, because e.g. such substances as Ceramics, glass and minerals are to be fragmented.
  • the high-voltage electrode protrudes along the axis of the vessel and keeps a predetermined distance with her free forehead to the bottom of the vessel.
  • the high voltage electrode is with an insulation, so only from the area of their tip the discharges take place towards the bottom of the reaction vessel.
  • the bottom is curved, roughly spherical, so that the Process goods accumulate there and are safely exposed to unloading is.
  • the ones to be fragmented, initially more or less large Solid substances are fed in via a feed line Poured water into the reaction vessel (Figure 1), decrease in it and are in the actual process volume, the area between the tip of the electrode and the bottom of the vessel, exposed to the discharge taking place there.
  • the FRANKA principle see DE 195 34 232
  • the shock wave emanating from these current channels spreads into the environment and hits the Body in their path of propagation.
  • the discharge frequency is increased by the charging time for the capacitor bank limited, but is among them with known technical means freely adjustable. For example, in a prototype test driven with a discharge frequency of 10 Hz.
  • the suction device at its beginning is created by the discharge Shock wave in the process liquid and shaken by the fragments adhering to its network are released into the unloading volume sink back to with the following discharge again to be exposed to fragmentation.
  • the suction basket sits at the end of the suction device 2), in which the suspension sucked in from the process liquid is transported to the inlet into the sediment pan. The Particles settle there on the ground, and those of suspended matter Process liquid that has been freed finally becomes the reaction vessel again fed.

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
EP02004850A 2001-03-24 2002-03-04 Procédé pour la séparation sélective des particules d'une suspension Expired - Lifetime EP1243339B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114550 2001-03-24
DE10114550 2001-03-24

Publications (3)

Publication Number Publication Date
EP1243339A2 true EP1243339A2 (fr) 2002-09-25
EP1243339A3 EP1243339A3 (fr) 2003-11-26
EP1243339B1 EP1243339B1 (fr) 2005-12-07

Family

ID=7678897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02004850A Expired - Lifetime EP1243339B1 (fr) 2001-03-24 2002-03-04 Procédé pour la séparation sélective des particules d'une suspension

Country Status (3)

Country Link
EP (1) EP1243339B1 (fr)
AT (1) ATE311939T1 (fr)
DE (1) DE50205148D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003022444A1 (fr) * 2001-09-10 2003-03-20 Forschungszentrum Karlsruhe Gmbh Procede et reacteur pour la desagregation et la pasteurisation froides par electroporation de produits de processus organiques
WO2013053066A1 (fr) * 2011-10-10 2013-04-18 Selfrag Ag Procédé destiné à fragmenter et/ou à pré-affaiblir un matériau au moyen de décharges à haute tension
CN105764614A (zh) * 2013-10-25 2016-07-13 泽尔弗拉格股份公司 通过高压放电打碎和/或弱化材料的方法
CN105848785A (zh) * 2013-10-25 2016-08-10 泽尔弗拉格股份公司 用于借助于高压放电来击碎和/或预削弱材料的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19534232A1 (de) 1995-09-15 1997-03-20 Karlsruhe Forschzent Verfahren zur Zerkleinerung und Zertrümmerung von aus nichtmetallischen oder teilweise metallischen Bestandteilen konglomerierten Festkörpern und zur Zerkleinerung homogener nichtmetallischer Festkörper

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1169141A (fr) * 1957-03-07 1958-12-23 Solution colloïdale, procédé et appareillage de fabrication
GB864178A (en) * 1959-01-09 1961-03-29 Malcolm Stewart Burgess Treatment of mineral substances and product obtained thereby
PL84385B1 (fr) * 1973-01-11 1976-03-31 Polotechnika Wroclawska Breslau (Polen)
DE2847747C2 (de) * 1978-11-03 1986-04-30 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Vorrichtung zum Sammeln von radioaktiven, staub- oder pulverförmigen Stoffen
GB2092885A (en) * 1982-01-14 1982-08-25 Gen Electric Underwater suction device for irradiated materials
EP0268019A1 (fr) * 1986-11-13 1988-05-25 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Dispositif pour la fragmentation d'un corps solide suspendu dans un fluide

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19534232A1 (de) 1995-09-15 1997-03-20 Karlsruhe Forschzent Verfahren zur Zerkleinerung und Zertrümmerung von aus nichtmetallischen oder teilweise metallischen Bestandteilen konglomerierten Festkörpern und zur Zerkleinerung homogener nichtmetallischer Festkörper

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003022444A1 (fr) * 2001-09-10 2003-03-20 Forschungszentrum Karlsruhe Gmbh Procede et reacteur pour la desagregation et la pasteurisation froides par electroporation de produits de processus organiques
MD3613C2 (ro) * 2001-09-10 2009-02-28 Forschungszentrum Karlsruhe Gmbh Procedeu şi reactor pentru descompunerea netermică şi pasteurizarea materialelor organice prin electroporaţie
US7691324B2 (en) 2001-09-10 2010-04-06 Südzucker AG Method and reactor for the non-thermal decomposition and pasteurization of organic process materials by electroporation
WO2013053066A1 (fr) * 2011-10-10 2013-04-18 Selfrag Ag Procédé destiné à fragmenter et/ou à pré-affaiblir un matériau au moyen de décharges à haute tension
CN103857471A (zh) * 2011-10-10 2014-06-11 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
RU2568747C1 (ru) * 2011-10-10 2015-11-20 Зельфраг Аг Способ дробления и/или снижения прочности материала с использованием высоковольтных разрядов
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
AU2011379145B2 (en) * 2011-10-10 2016-10-20 Selfrag Ag Method for fragmenting and/or pre-weakening material using high-voltage discharges
US10029262B2 (en) 2011-10-10 2018-07-24 Selfrag Ag Method of fragmenting and/or weakening of material by means of high voltage discharges
CN105764614A (zh) * 2013-10-25 2016-07-13 泽尔弗拉格股份公司 通过高压放电打碎和/或弱化材料的方法
CN105848785A (zh) * 2013-10-25 2016-08-10 泽尔弗拉格股份公司 用于借助于高压放电来击碎和/或预削弱材料的方法
CN105848785B (zh) * 2013-10-25 2018-07-10 泽尔弗拉格股份公司 用于借助于高压放电来击碎和/或预削弱材料的方法

Also Published As

Publication number Publication date
EP1243339A3 (fr) 2003-11-26
DE50205148D1 (de) 2006-01-12
ATE311939T1 (de) 2005-12-15
EP1243339B1 (fr) 2005-12-07

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