WO2015058312A1 - Verfahren zur fragmentierung und/oder vorschwächung von material mittels hochspannungsentladungen - Google Patents
Verfahren zur fragmentierung und/oder vorschwächung von material mittels hochspannungsentladungen Download PDFInfo
- Publication number
- WO2015058312A1 WO2015058312A1 PCT/CH2013/000185 CH2013000185W WO2015058312A1 WO 2015058312 A1 WO2015058312 A1 WO 2015058312A1 CH 2013000185 W CH2013000185 W CH 2013000185W WO 2015058312 A1 WO2015058312 A1 WO 2015058312A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parameter
- process zone
- zone
- determined
- voltage discharges
- Prior art date
Links
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
- B02C25/00—Control arrangements specially adapted for crushing or 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 methods for fragmentation and / or Vorschwambaung of material by means of high-voltage discharges and a system for carrying out the method according to the preambles of the independent claims.
- a first aspect of the invention relates to a method for fragmentation and / or pre-weakening of material, preferably of rock material or ore, by means of high-voltage discharges.
- the material to be fragmented or prewashed is passed through a process zone formed between at least two electrodes spaced apart from one another while high-voltage discharges are generated between these electrodes, by means of which the material is fragmented and / or preweakened.
- the high-voltage discharges are triggered individually or as a sequence of multiple high-voltage discharges, depending on one or more continuously determined process parameters, which parameters represent the current and / or a future situation with respect to the material in the process zone.
- the or continuously determined process parameters represent at least the current or a future material filling level of the process zone, the current or a future piece size or piece size distribution of the material located in the process zone and / or a degree of fragmentation or preweakening of the in the Process zone material.
- Process parameters representing these aspects of the situation with respect to the material in the process zone are particularly well suited for controlling the initiation of high voltage discharges.
- At least one parameter is continuously determined to determine the process parameter (s), which is a property of the content of the process zone, part of the content of the process zone, or one adjacent to the process zone Represents area.
- the process parameter s
- the electrical capacitance, electrical conductivity or permittivity of the contents of the process zone a part of the contents of the process zone or adjacent to the process zone range, the Material Shelltec or material ⁇ level of the process zone or adjacent to the process ⁇ zone range, and
- the material to be fragmented or to be pregiven is continuously added to the process zone in the form of a material flow.
- at least one parameter (demanding material supply parameter) which represents a property of the material flow in a region upstream of the process zone, is continuously determined. In this way, a future situation with respect to the material located in the process zone can be detected.
- the one or more process parameters each representing a future situation with respect to the material located in the process zone the material supply parameter determined in each case the points of time in the future, to which in the process zone the respective repre sented ⁇ by the respective process parameters situation occurs.
- the Hochtentladun ⁇ conditions are then triggered at this time, the high-voltage discharges ⁇ pending on the respective process parameters. This makes it possible to trigger the high-voltage discharges according to the situation based on parameters determined far outside the process zone.
- the or mediated process parameters continuously ⁇ lenwert compared with a smoldering and the high-voltage discharges or sequences of high-voltage discharges are each triggered when the respective process parameter coincides with the threshold value and this exceeds a limited hours ⁇ th amount or below.
- a threshold can be easily adapted to different operating conditions, making the method universally applicable and can also be integrated as part of a larger overall process.
- a threshold value is used which is determined beforehand by establishing a material situation in which a desired criterion for triggering high-voltage discharges is met in the region in which the respective parameter for determining the process parameter is determined is, then in this state, the process parameter is determined and this is then used as a threshold value in the inventive method.
- the method can be easily adapted to a wide variety of materials and specifications regarding the fragmentation or Vorschwachtungstonss.
- a single piece of material having a size in which the triggering of high-voltage discharges is desired, or a certain amount of material in which the triggering of high-voltage discharges is desired, is arranged in the process zone.
- the process parameter is determined, which represents a property of the content or a part of the content of the process zone or an area adjacent to the process zone. This process parameter is then used as a threshold value in the method according to the invention.
- the process zone is entered in an area upstream of the process zone single piece of material; with a size which, when present in the process zone, should lead to the triggering of high-voltage discharges, or a certain amount of material which, if present in the process zone, should lead to the triggering of high-voltage discharges.
- the process parameter is determined, which represents a property of the piece of material or the amount of material in the region upstream of the process zone. This process parameter is then used as a threshold value in the method according to the invention.
- At least one parameter of a method preceding the method according to the invention, in which the material to be fragmented or pretreated is pretreated, and / or a method subsequent to the inventive method, in which the fragmented or pretreated material after ⁇ is treated, is determined and based on this parameter, the threshold value is changed.
- this upstream and / or downstream process is a method for fragmentation and / or pre-attenuation by means of high-voltage discharges, preferably also a method according to the invention.
- a parameter of an upstream process is determined which represents properties of the material resulting from the upstream process and to be fragmented or pre-waxed in the process according to the invention, preferably the material type, the amount of material, the comminution, the material hardness and / or the size of the piece material.
- a device for treating the material in the upstream drive preferably a crusher or a mill
- a parameter of a downstream method is determined which represents properties of the fragmented or pre-weakened material which, after having been derived from the method according to the invention and supplied to the downstream method, preferably the type of material Amount of material, the shredding, the material hardness and / or the piece size of this material.
- the process zone is flooded with a process liquid, preferably with water, wherein it is further preferred that process liquid flows through the process zone.
- a process liquid preferably with water
- process liquid flows through the process zone.
- fragmentation and / or pre-weakening of the material to be fragmented and / or pre-attenuated takes place, preferably fragmentation and / or pre-attenuation by means of high-voltage discharges, which preferably also perform the inventive method - Must be done procedure.
- the method is followed by fragmentation and / or weakening of the fragmented or pre-weakened material resulting from the process, preferably fragmentation and / or weakening by means of high-voltage discharges, which are preferably also carried out by carrying out the process according to the invention or a mechanical fragmentation.
- a second aspect of the invention relates to a plant for use in the process according to the first aspect of the invention.
- the system comprises a process zone formed between at least two electrodes arranged at a distance from each other, means for
- the means for passing the material to be fragmented or pre-screened through the process zone may comprise, for example, a conveyor belt, a vibrating conveyor trough or an inclined surface serving as a chute.
- the means for generating high-voltage discharges between the at least two electrodes typically comprise a high-voltage generator and supply lines to the electrodes, and according to the invention are designed such that a targeted triggering of individual high-voltage discharges or of individual sequences from a plurality of high-voltage discharges is possible.
- the system according to the invention also has means for the continuous determination of at least one process parameter which represents the current or a future situation with respect to the material in the process zone, preferably for the continuous determination of at least one process parameter represents the current or a future material filling level of the process zone, the current or a future piece size or piece size distribution of the material located in the process zone and / or a fragmentation or preweakening level of the material currently or in the future in the process zone.
- the means for the continuous determination of at least one process parameter typically comprise measuring arrangements for determining specific physical quantities in certain areas of the installation.
- the system has a system control, by means of which the individual high-voltage discharges or sequences of several high-voltage discharge in each case depending on the respective determined process parameters can be triggered.
- a system control by means of which the individual high-voltage discharges or sequences of several high-voltage discharge in each case depending on the respective determined process parameters can be triggered.
- the means for continuously determining the at least one process parameter are configured in such a way that they can continuously determine at least one parameter (demanding process zone parameter) for the determination of the process parameters, which is a property of the content or part of the content of the process zone or an area adjacent to the process zone.
- the piece size or the piece size distribution of the material in the process zone or in the adjacent area is the piece size or the piece size distribution of the material in the process zone or in the adjacent area.
- the system also has means for continuously feeding the material to be fragmented or prewashed as material flow to the process zone and that the means for continuously determining the process parameter are configured such that they are used for determining the process parameter.
- Parameters can continuously determine at least one parameter (demanding material supply parameters) of the material flow in an area upstream of the process zone. The following parameters are particularly preferred here:
- the means for the continuous determination of the at least one process parameter are configured in such a way that the process parameters ascertained with them each represent a future situation with respect to the material located in the process zone, and that the system control is such is designed such that it can determine the time in the future in consideration of the feeding speed of the material stream to the process zone and the distance Zvi ⁇ rule the location of the determination of the parameters (material feed guide parameters), respectively, at which in the process zone respectively by the each situation represented process variable occurs and can each make the triggering of the high-voltage discharges or sequences of several high-voltage discharges taking into account this point in time. This makes it possible to control the triggering of the high-voltage discharges on the basis of parameters determined outside the process zone.
- system controller is designed to continuously compare the continuously determined process parameter with a threshold value and to trigger the high-voltage discharges or sequences of high-voltage discharges, respectively, if the respective process parameter matches the threshold or exceeds or falls below it by a certain amount.
- the system controller is designed to compare the process parameter with a threshold, which has been previously determined using the means for continuously determining the process parameter, preferably in an automatic manner by the plant operated in such a way is that in the area in which the one or more parameters are determined to determine the process parameters, a material situation is brought about, in which the triggering of high-voltage discharges is desired, then in this state, the process parameters is determined and this Process parameter is then used by the plant control as a threshold value.
- the system controller is designed to determine the threshold value beforehand, preferably in an automatic manner, that the system is operated in such a way that a single piece of material or a certain amount of material is arranged in the process zone, in which the triggering of Hochputsentladungen is desired that then the process parameter under determination of the process zone parameter, which represents a property of the content or a part of the content of the process zone or an adjacent to the process zone area, is determined and that this process parameter then from the Plant control is used as a threshold.
- the system control is designed to determine the threshold in advance, preferably automatically, in such a way that the installation is operated in such a way that that in a region upstream of the process zone, a single piece of material or a certain amount of material is arranged, which corresponds to a single piece of material or a quantity of material whose presence in the process zone the triggering of high voltage discharges is desired, then the process parameter, which a Property of the piece of material or the amount of material in the region upstream of the process zone represents, is determined and that this process parameter is then used by the plant control as a threshold value.
- system controller which is designed to continuously compare the continuously determined process parameter with a threshold value
- system controller is configured such that it sets the threshold value as a function of one or more parameters of one of the inventive methods Plant upstream system and / or one of the system according to the invention downstream system can change.
- FIG. 2 is a highly schematic representation of a second method according to the invention.
- FIGS. 3a and 3b are highly schematic views of a third method according to the invention.
- FIGS. 4a and 4b highly schematically a fourth inventive method
- FIGS. 5a and 5b show in highly schematic form a fifth method according to the invention. WAYS FOR CARRYING OUT THE INVENTION
- FIGS. 1 a to 1 c strongly illustrate a first method according to the invention for fragmenting rock material by means of high-voltage discharges.
- rock material 1 is guided by means of a conveyor belt 2 to a process zone 5 formed between two electrodes 3, 4, in which it can be fragmented by means of high voltage discharges 6 which can be generated between the two electrodes 3, 4, and subsequently by means of a further conveyor belt 7 led away from the process zone 5.
- the determined capacitances are continuously compared with a threshold value which determines whether or not a high-voltage discharge 6 fragmenting the material piece 1 is to take place.
- a piece of material 1 with a piece size smaller than or equal to the target size is located in the process zone 5, which results in a capacity which is greater than the threshold value. In this case, no high voltage discharge is triggered and the piece of material is passed through the process zone 5 without further fragmentation.
- a piece of material 1 with a piece size is larger than the target size in the process zone 5, whereby there is a capacity that is less than the threshold.
- a high voltage discharge 6 is triggered and the piece of material thereby fragmented.
- FIG. 2 shows a highly schematic situation as shown in FIG. 1c in a second method according to the invention for fragmentation of rock material by means of high-voltage discharges, which differs from the method illustrated in FIGS. 1 a to 1c only in that the lower electrode 3 is referred to as FIG metallic conveyor belt 8 is formed.
- FIGS. 3 a and 3 b a third method according to the invention for fragmenting rock material by means of high-voltage discharges is illustrated in a highly schematic manner.
- rock material 1 is passed by means of a transport device 9a, 9b between two measuring electrodes 10, 11 arranged upstream of the process zone 5, then fed to the process zone 5, in which it is fragmented by means of high-voltage discharges 6 that can be generated between the two electrodes 3, 4 can, and then led away by means of a conveyor belt 7 of the process zone 5.
- the electrical capacitance between the two measuring electrodes 10, 11 is continuously determined, which varies depending on the size of the material piece 1 located between these electrodes 10, 11 and thereby represents the material piece size.
- the determined capacitances are continuously compared with a threshold value, by which it is determined whether at the time at which the piece of material 1 arrives in the process zone 5, a high-voltage discharge 6 is to take place, for fragmenting the piece of material 1, or not.
- the time of arrival of the piece of material 1 in the process zone 5 is determined from the feed rate S of the piece of material 1 to the process zone 5 and the known distance between the measuring electrodes 10, 11 and the process zone 5.
- a high voltage discharge 6 is triggered as soon as the piece of material 1 has arrived in the process zone 5.
- Fig. 3b This situation is shown in Fig. 3b.
- the subsequent piece of material 1 that is currently located between the measuring electrodes 10, 11 has a size less than or equal to the target size, whereby a capacitance is determined which is greater than the threshold value.
- no high voltage discharge is triggered when this piece of material 1 has arrived in the process zone 5 and the piece of material is passed through the process zone 5 without further fragmentation.
- FIGS. 4a and 4b strongly illustrate a fourth method according to the invention for fragmenting rock material by means of high-voltage discharges. As can be seen, this method differs from the method illustrated in FIGS. 3a and 3b only in that, instead of the transport device 9a, 9b and the lower measuring electrode 10, a conveyor belt 2 is used, which simultaneously serves as the lower measuring electrode 10.
- FIGS. 5a and 5b are highly schematic illustrations of a fifth method according to the invention for fragmenting rock material by means of high-voltage discharges.
- this method differs from the method illustrated in FIGS. 4a and 4b only in that a camera system 12 is used instead of the measuring electrodes, by means of which the piece size or piece size distribution of the material in the area upstream of the process zone 5 is continuously increased is determined.
- the determined piece sizes or piece size distributions become continuous compared with a threshold value by which it is determined whether at the time at which the piece of material 1 arrives in the process zone 5, a high-voltage discharge 6 is to take place, for fragmenting the piece of material 1, or not.
- the time of arrival of the piece of material 1 in the process zone 5 is determined from the feed rate S of the material piece 1 to the process zone 5 and the known distance between the camera system 12 and the process zone 5.
- a piece of material 1 is larger than the target size in the field of view of the camera system 12, so that upon arrival of the piece of material 1 in the process zone 5, a high voltage discharge 6 is triggered, as shown in Fig. 5b is.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Disintegrating Or Milling (AREA)
- Processing Of Solid Wastes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES13788879.8T ES2656504T3 (es) | 2013-10-25 | 2013-10-25 | Procedimiento para fragmentar y/o predebilitar material mediante descargas de alta tensión |
EP13788879.8A EP3060347B1 (de) | 2013-10-25 | 2013-10-25 | Verfahren zur fragmentierung und/oder vorschwächung von material mittels hochspannungsentladungen |
NO13788879A NO3060347T3 (de) | 2013-10-25 | 2013-10-25 | |
US15/031,381 US20160279643A1 (en) | 2013-10-25 | 2013-10-25 | Method for fragmenting and/or pre-weakening material by means of high-voltage discharges |
CN201380080491.9A CN105848785B (zh) | 2013-10-25 | 2013-10-25 | 用于借助于高压放电来击碎和/或预削弱材料的方法 |
KR1020167010293A KR20160085247A (ko) | 2013-10-25 | 2013-10-25 | 고전압 방전으로 재료를 파편화 및/또는 예비-약화하기 위한 방법 |
RU2016120188A RU2621589C1 (ru) | 2013-10-25 | 2013-10-25 | Способ дробления и/или предварительного ослабления материала с помощью высоковольтных разрядов |
CA2928107A CA2928107A1 (en) | 2013-10-25 | 2013-10-25 | Method for fragmenting and/or pre-weakening material by means of high-voltage discharges |
AU2013403789A AU2013403789B2 (en) | 2013-10-25 | 2013-10-25 | Method for fragmenting and/or pre-weakening material by means of high-voltage discharges |
PCT/CH2013/000185 WO2015058312A1 (de) | 2013-10-25 | 2013-10-25 | Verfahren zur fragmentierung und/oder vorschwächung von material mittels hochspannungsentladungen |
JP2016526208A JP6362689B2 (ja) | 2013-10-25 | 2013-10-25 | 高圧放電を用いて材料を断片化および/または事前弱体化する方法 |
IL245256A IL245256A0 (en) | 2013-10-25 | 2016-04-21 | A method for severing and/or pre-weakening a material by means of high tension joints |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2013/000185 WO2015058312A1 (de) | 2013-10-25 | 2013-10-25 | Verfahren zur fragmentierung und/oder vorschwächung von material mittels hochspannungsentladungen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015058312A1 true WO2015058312A1 (de) | 2015-04-30 |
Family
ID=49553554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2013/000185 WO2015058312A1 (de) | 2013-10-25 | 2013-10-25 | Verfahren zur fragmentierung und/oder vorschwächung von material mittels hochspannungsentladungen |
Country Status (12)
Country | Link |
---|---|
US (1) | US20160279643A1 (de) |
EP (1) | EP3060347B1 (de) |
JP (1) | JP6362689B2 (de) |
KR (1) | KR20160085247A (de) |
CN (1) | CN105848785B (de) |
AU (1) | AU2013403789B2 (de) |
CA (1) | CA2928107A1 (de) |
ES (1) | ES2656504T3 (de) |
IL (1) | IL245256A0 (de) |
NO (1) | NO3060347T3 (de) |
RU (1) | RU2621589C1 (de) |
WO (1) | WO2015058312A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017214738A1 (en) | 2016-06-15 | 2017-12-21 | Selfrag Ag | Method of treating a solid material by means of high voltage discharges |
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CN106552704B (zh) * | 2016-11-07 | 2018-10-19 | 大连理工大学 | 一种制备菱镁矿石单体解离颗粒的方法 |
AU2017204211A1 (en) * | 2017-06-21 | 2019-01-17 | The University Of Queensland | An integrated separator system & process for preconcentration and pretreatment of a material |
JP6947126B2 (ja) * | 2018-06-12 | 2021-10-13 | 株式会社Sumco | シリコンロッドの破砕方法及び装置並びにシリコン塊の製造方法 |
RU2727915C1 (ru) * | 2019-11-22 | 2020-07-24 | Иван Александрович Шорсткий | Способ подготовки растительного материала к сушке и устройство для его осуществления |
CL2020002901A1 (es) * | 2020-11-09 | 2021-04-23 | Ngen Power Spa | Método para el tratamiento de un mineral. |
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-
2013
- 2013-10-25 NO NO13788879A patent/NO3060347T3/no unknown
- 2013-10-25 EP EP13788879.8A patent/EP3060347B1/de active Active
- 2013-10-25 JP JP2016526208A patent/JP6362689B2/ja active Active
- 2013-10-25 AU AU2013403789A patent/AU2013403789B2/en active Active
- 2013-10-25 US US15/031,381 patent/US20160279643A1/en not_active Abandoned
- 2013-10-25 CA CA2928107A patent/CA2928107A1/en not_active Abandoned
- 2013-10-25 RU RU2016120188A patent/RU2621589C1/ru active
- 2013-10-25 CN CN201380080491.9A patent/CN105848785B/zh active Active
- 2013-10-25 ES ES13788879.8T patent/ES2656504T3/es active Active
- 2013-10-25 KR KR1020167010293A patent/KR20160085247A/ko not_active Application Discontinuation
- 2013-10-25 WO PCT/CH2013/000185 patent/WO2015058312A1/de active Application Filing
-
2016
- 2016-04-21 IL IL245256A patent/IL245256A0/en unknown
Patent Citations (5)
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US6039274A (en) * | 1995-02-22 | 2000-03-21 | Itac, Ltd. | Method and apparatus for crushing nonconductive materials |
JPH10180133A (ja) * | 1996-12-25 | 1998-07-07 | Kobe Steel Ltd | 高電圧パルス破砕装置 |
DE60219349T2 (de) * | 2001-12-11 | 2007-12-13 | Commissariat à l'Energie Atomique | Verfahren zur behandlung von kontaminiertem nuklearem graphit |
DE10302867B3 (de) * | 2003-01-25 | 2004-04-08 | Forschungszentrum Karlsruhe Gmbh | Verfahren zur rechnergestützten Prozessführung einer Fragmentieranlage |
DE10346650A1 (de) * | 2003-10-08 | 2005-05-19 | Forschungszentrum Karlsruhe Gmbh | Prozessreaktor und Betriebsverfahren für die elektrodynamische Fragmentierung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017214738A1 (en) | 2016-06-15 | 2017-12-21 | Selfrag Ag | Method of treating a solid material by means of high voltage discharges |
Also Published As
Publication number | Publication date |
---|---|
KR20160085247A (ko) | 2016-07-15 |
ES2656504T3 (es) | 2018-02-27 |
CN105848785B (zh) | 2018-07-10 |
CN105848785A (zh) | 2016-08-10 |
AU2013403789A1 (en) | 2016-04-14 |
IL245256A0 (en) | 2016-06-30 |
NO3060347T3 (de) | 2018-03-31 |
RU2621589C1 (ru) | 2017-06-06 |
CA2928107A1 (en) | 2015-04-30 |
JP2016533876A (ja) | 2016-11-04 |
US20160279643A1 (en) | 2016-09-29 |
AU2013403789B2 (en) | 2018-02-08 |
EP3060347B1 (de) | 2017-11-01 |
EP3060347A1 (de) | 2016-08-31 |
JP6362689B2 (ja) | 2018-07-25 |
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