EP1663498A1 - Method for operating a fragmentation system and system therefor - Google Patents
Method for operating a fragmentation system and system thereforInfo
- Publication number
- EP1663498A1 EP1663498A1 EP04763542A EP04763542A EP1663498A1 EP 1663498 A1 EP1663498 A1 EP 1663498A1 EP 04763542 A EP04763542 A EP 04763542A EP 04763542 A EP04763542 A EP 04763542A EP 1663498 A1 EP1663498 A1 EP 1663498A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reaction vessel
- fragmentation
- grain size
- target grain
- suspension
- 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
Links
- 238000013467 fragmentation Methods 0.000 title claims abstract description 56
- 238000006062 fragmentation reaction Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 239000000725 suspension Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 31
- 239000012634 fragment Substances 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000035939 shock Effects 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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 fragmentation system for more effective grinding of fragmentation material from mineral and / or brittle materials to target grain sizes ⁇ 5 mm and a fragmentation system which is operated with this method.
- the fragmentation system consists of an electrical energy storage device, which is pulsed in a reaction vessel to the fragmentation material in a process liquid between two electrode ends - the reaction zone - which are at a distance from each other.
- the fragmentation material present in the process liquid between the two electrode ends is crushed by electrical breakdowns and the resulting shock waves.
- These mineral and / or brittle materials can 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 grain size are sucked out of the process area via filter cartridges. See, for example, the extraction of gravel and sand or the grinding of colored bodies, in general of substances that do not consist of composites.
- Fragmented goods, such as those that occur when a building is demolished, are constantly refilled into the process room based on the extracted fragmented goods.
- the fragmentation system consists of an electrical energy storage device, which is discharged onto a load in a pulsed manner via a spark gap.
- the load is the process liquid in the interelectrode area and the fragmentation material sunk into it.
- the two electrodes face each other, completely immersed with their respective ends, at a predetermined, adjustable distance.
- the pro- concentrated liquid in the reaction vessel, in which the fragmentation material is poured in and the fragmented material is removed from and below the predetermined threshold for the grain size.
- this object is achieved by the step characterized in claim 1 of whirling up the fragmentation material in the space filled with process fluid between the electrode ends and the fragmentation material deposited on the bottom of the reaction vessel.
- the fragmentation material in the process liquid is kept in suspension, thus forming a suspension with the process liquid. From this suspension, the proportion of processed fragmentation material that has reached or fallen below the target grain size is discharged from the reaction vessel and the fragmentation material that exceeds the target grain size - these are the coarse parts - is returned to the reaction zone.
- a fragmentation system in accordance with the characterizing features of claim 7.
- Attached to or in the reaction vessel is a device that holds the fragmentation material introduced into the process fluid in suspension, since no air, relative dielectric constant ⁇ r close to 1, or no gas, ⁇ r may be introduced into the process space.
- a device is attached to or in the reaction vessel, which consists of discharges the fragments from and below the target grain size to the suspension, feeds them to a device for solid-liquid separation and returns fragments of fragments above this target grain size to the reaction vessel.
- at least one return line for process liquid opens into the reaction vessel.
- the upflow classification is used to apply the proportion of process material. From this, the coarse fraction exceeding the target grain size is returned to the reaction vessel in a solid-liquid separation.
- this splitting is carried out with hydrocycloning.
- filters immersed in the process liquid such as filter baskets or filter cartridges, are used for this separation.
- the device for this must be set up and set according to claim 8 so that the fragmented material in the process liquid is kept in suspension without the formation of dead areas.
- an upstream classifier is set up for fraction separation.
- an alternative solution is the a hydrocyclone for fraction separation.
- such devices are known filters in the form of baskets, cartridges, for example. Then, due to the impact of the shock waves due to the electrical discharge, the distance to the electrode gap is set to be effective for cleaning and to avoid destruction. The intensity decreases with 1 / r 2 from the shock wave source.
- Inlet nozzles through which the process liquid recovered in the solid-liquid separation is controlled and introduced / flowed into the reaction vessel in a directed manner, maintain the suspension according to claim 12.
- fine fractions of the ground material can be kept in suspension during the fragmentation of the process liquid and can be returned to the electrical discharge area again and again.
- the suction cartridge sits or the suction cartridges sit in such a way that the fragmented goods are likely to hit them and the sufficiently small grain sizes are suctioned off.
- fragments hanging on the screen of the suction cartridge that are still too large are shaken off by the shock wave (s) triggered by the discharge channel or channels.
- the electrical part, the charger, the energy storage and the spark gap are, among other things, known devices from the above-cited prior art sources.
- the electrical energy store is predominantly a capacitor bank which is discharged with interposed spark gaps in a self-breakthrough onto the load in the interelectrode space in the reaction vessel.
- the electrical part is a Marx generator, the electrical charging and discharging of which is known from the electrical high-performance / voltage pulse technology.
- Figure 1 shows the barrel-shaped reaction vessel, which stands on a nozzle.
- the high-voltage electrode which is electrically insulated up to its free end region, projects through the lid into the interior of the reaction vessel.
- the high-voltage electrode is not rigidly guided in the lid, so that the impact and shock wave effects resulting from the electrical discharge cannot be transmitted.
- the bare metallic end area is completely immersed in the process liquid contained in the reaction vessel, which is water here. Even the insulation jacket still protrudes far into the water. No creepage distances may be formed on it during long-term operation.
- the counterelectrode is the bottom of the reaction vessel itself, which is, for example, spherically lowered. 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, generally earth potential.
- the reference potential generally earth potential.
- fragmentation is indicated centrally.
- the discharge channel is to form through the fragmentation material to the earth potential electrode, or a conical region of discharge channels is to be formed from the front of the high-voltage electrode to the central base area.
- the water supply line and the discharge line for the water containing fragmentation material protrude from the filter cartridge.
- the flow that causes the whirling up becomes stronger and stronger controlled in the direction of their start of flow.
- This device for generating flow and whirling up the fragmented material coaxially surrounds the high-voltage electrode here.
- the feed line feeds into the coaxially seated ring line.
- the ring line is electrically safe and, resistant to shock waves, attached to the vessel wall.
- the nozzles can be aligned in their outflow direction so that, depending on the fragmented material, a process-optimal whirling can be set or adjusted.
- the flow rate is set with a pump that presses the pure process liquid into the ring line.
- the nozzles direct the currents on the floor towards the floor center.
- the fragmentation material settled or settling there is constantly stirred up and kept in suspension. Flowless areas are avoided in the entire water volume.
- the filter cartridge is completely immersed in water.
- the mesh size surrounding the filter cartridge determines the largest extractable grain size with its mesh size.
- the suspension passing through the filter cartridge is separated into its liquid fraction, the process water, and its solid fraction in the centrifuge indicated on the right.
- the water is returned via the supply line to the ring line into the reaction vessel, possibly with fresh water added beforehand.
- New material to be fragmented is refilled / tipped over the nozzle protruding to the left of the reaction vessel.
- reaction vessel Depending on the size of the reaction vessel, it is considerably easier for maintenance and repair work if the bottom of the reaction vessel can be unscrewed and rotated away using the extension arm, which can be rotated on the support shown on the right.
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)
- Fats And Perfumes (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electrotherapy Devices (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Hybrid Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10342376A DE10342376B3 (en) | 2003-09-13 | 2003-09-13 | Method for operating a fragmentation system and a fragmentation system for carrying out the method |
PCT/EP2004/008414 WO2005028116A1 (en) | 2003-09-13 | 2004-07-28 | Method for operating a fragmentation system and system therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1663498A1 true EP1663498A1 (en) | 2006-06-07 |
EP1663498B1 EP1663498B1 (en) | 2010-11-17 |
Family
ID=34352823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04763542A Active EP1663498B1 (en) | 2003-09-13 | 2004-07-28 | Method for operating a fragmentation system and system therefor |
Country Status (14)
Country | Link |
---|---|
US (1) | US8002209B2 (en) |
EP (1) | EP1663498B1 (en) |
JP (1) | JP2007504937A (en) |
CN (1) | CN1849172B (en) |
AT (1) | ATE488298T1 (en) |
AU (1) | AU2004274091B2 (en) |
CA (1) | CA2555476C (en) |
DE (2) | DE10342376B3 (en) |
DK (1) | DK1663498T3 (en) |
ES (1) | ES2356314T3 (en) |
NO (1) | NO330936B1 (en) |
RU (1) | RU2326736C2 (en) |
WO (1) | WO2005028116A1 (en) |
ZA (1) | ZA200602074B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006037914B3 (en) * | 2006-08-11 | 2008-05-15 | Ammann Schweiz Ag | Reaction vessel of a high-voltage impulse-conditioning plant and method for shattering / blasting of brittle, high-strength ceramic / mineral materials / composites |
FR2942149B1 (en) | 2009-02-13 | 2012-07-06 | Camille Cie D Assistance Miniere Et Ind | METHOD AND SYSTEM FOR VALORIZING MATERIALS AND / OR PRODUCTS BY PULSE POWER |
DE102009032297A1 (en) * | 2009-07-09 | 2011-01-13 | Qsil Ag Quarzschmelze Ilmenau | Process for producing a high-purity quartz granulate |
FR2949356B1 (en) * | 2009-08-26 | 2011-11-11 | Camille Cie D Assistance Miniere Et Ind | METHOD AND SYSTEM FOR VALORIZING MATERIALS AND / OR PRODUCTS BY PULSE POWER |
RU2568747C1 (en) * | 2011-10-10 | 2015-11-20 | Зельфраг Аг | Method of crushing and/or reduction of strength of material using high-voltage discharges |
ES2600410T3 (en) * | 2012-08-24 | 2017-02-08 | Selfrag Ag | Procedure and device to fragment and / or weaken materials using high voltage pulses |
CN103551231B (en) * | 2013-11-18 | 2015-05-27 | 中南大学 | Pulse breaking mechanism, as well as seabed cobalt-rich crust breaking system and method |
CN103753701B (en) * | 2013-12-30 | 2015-12-09 | 华中科技大学 | A kind of Pulse discharge concrete recovery system |
RU2564868C1 (en) * | 2014-06-30 | 2015-10-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Method of rocks destruction |
RU2667750C1 (en) * | 2015-02-27 | 2018-09-24 | Зельфраг Аг | Method and device for crushing and/or loosening of loose material by means of high-voltage discharges |
CA2976964C (en) * | 2015-02-27 | 2023-05-23 | Selfrag Ag | Method and device for fragmenting and / or weakening of pourable material by means of high-voltage discharges |
CN104984807B (en) * | 2015-07-08 | 2017-10-31 | 温州科技职业学院 | A kind of method of device and its breaking ores for continuous discharge breaking ores |
DE102017217611A1 (en) * | 2017-10-04 | 2019-04-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Process for recycling ceramics, regenerates obtainable thereafter and use of the regenerates for the production of ceramics |
RU179643U1 (en) * | 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 | CAMERA FOR DESTRUCTION OF CELL STRUCTURES OF VEGETABLE TISSUES |
DE102018003512A1 (en) * | 2018-04-28 | 2019-10-31 | Diehl Defence Gmbh & Co. Kg | Plant and method for electrodynamic fragmentation |
CN110215985B (en) * | 2019-07-05 | 2021-06-01 | 东北大学 | High-voltage electric pulse device for ore crushing pretreatment |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1341851A (en) * | 1962-12-17 | 1963-11-02 | Enertron Corp | Method and apparatus for the treatment of materials, in particular by spraying and mixing of materials by new electro-hydraulic action |
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 (en) * | 1980-07-16 | 1991-11-07 | Yutkin L A | Electrohydraulic crusher |
AU554866B2 (en) * | 1982-05-21 | 1986-09-04 | De Beers Industrial Diamond Division (Proprietary) Limited | High voltage disintegration |
US4964576A (en) * | 1988-04-04 | 1990-10-23 | Datta Rabinder S | Method and apparatus for mineral matter separation |
RU2069588C1 (en) * | 1990-12-07 | 1996-11-27 | Геннадий Николаевич Гаврилов | Method of electrohydraulic dispersing of material |
US5522553A (en) * | 1994-09-29 | 1996-06-04 | Kady International | Method and apparatus for producing liquid suspensions of finely divided matter |
DE19534232C2 (en) * | 1995-09-15 | 1998-01-29 | Karlsruhe Forschzent | Process for comminuting and crushing solids conglomerated from non-metallic or partially metallic components and for comminuting homogeneous non-metallic solids |
FR2833192B1 (en) * | 2001-12-11 | 2004-08-06 | Commissariat Energie Atomique | PROCESS FOR MILLING CONDUCTIVE CARBONACEOUS MATERIAL BY APPLYING HIGH-VOLTAGE PULSES IN A LIQUID ENVIRONMENT |
JP4786205B2 (en) * | 2005-03-14 | 2011-10-05 | 浜松ホトニクス株式会社 | Carbon nanotube processing method and processing apparatus |
US20080135656A1 (en) * | 2006-12-07 | 2008-06-12 | Bradley Jeff D | Tub Grinder with Built-In Colorant System |
-
2003
- 2003-09-13 DE DE10342376A patent/DE10342376B3/en not_active Expired - Lifetime
-
2004
- 2004-07-28 CA CA2555476A patent/CA2555476C/en not_active Expired - Fee Related
- 2004-07-28 AU AU2004274091A patent/AU2004274091B2/en not_active Ceased
- 2004-07-28 US US10/571,459 patent/US8002209B2/en not_active Expired - Fee Related
- 2004-07-28 WO PCT/EP2004/008414 patent/WO2005028116A1/en active Application Filing
- 2004-07-28 DE DE502004011912T patent/DE502004011912D1/en active Active
- 2004-07-28 EP EP04763542A patent/EP1663498B1/en active Active
- 2004-07-28 ES ES04763542T patent/ES2356314T3/en active Active
- 2004-07-28 DK DK04763542.0T patent/DK1663498T3/en active
- 2004-07-28 RU RU2006112208/03A patent/RU2326736C2/en not_active IP Right Cessation
- 2004-07-28 AT AT04763542T patent/ATE488298T1/en active
- 2004-07-28 JP JP2006525645A patent/JP2007504937A/en active Pending
- 2004-07-28 CN CN200480026382XA patent/CN1849172B/en not_active Expired - Fee Related
-
2006
- 2006-03-10 ZA ZA200602074A patent/ZA200602074B/en unknown
- 2006-03-30 NO NO20061448A patent/NO330936B1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2005028116A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1849172A (en) | 2006-10-18 |
US20080283639A1 (en) | 2008-11-20 |
AU2004274091B2 (en) | 2008-07-17 |
ZA200602074B (en) | 2007-04-25 |
CA2555476A1 (en) | 2005-03-31 |
CN1849172B (en) | 2012-05-30 |
ATE488298T1 (en) | 2010-12-15 |
EP1663498B1 (en) | 2010-11-17 |
DE502004011912D1 (en) | 2010-12-30 |
AU2004274091A1 (en) | 2005-03-31 |
DE10342376B3 (en) | 2005-07-07 |
NO20061448L (en) | 2006-03-30 |
WO2005028116A1 (en) | 2005-03-31 |
ES2356314T3 (en) | 2011-04-06 |
DK1663498T3 (en) | 2010-12-20 |
RU2006112208A (en) | 2006-08-27 |
NO330936B1 (en) | 2011-08-22 |
CA2555476C (en) | 2010-05-18 |
RU2326736C2 (en) | 2008-06-20 |
US8002209B2 (en) | 2011-08-23 |
JP2007504937A (en) | 2007-03-08 |
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