CN111229423B - Continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment - Google Patents
Continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment Download PDFInfo
- Publication number
- CN111229423B CN111229423B CN202010175083.3A CN202010175083A CN111229423B CN 111229423 B CN111229423 B CN 111229423B CN 202010175083 A CN202010175083 A CN 202010175083A CN 111229423 B CN111229423 B CN 111229423B
- Authority
- CN
- China
- Prior art keywords
- ore
- voltage
- crushing
- alloy rod
- crushing cavity
- 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
Links
Images
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
-
- 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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- 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
Abstract
The invention discloses a continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment, and belongs to the technical field of mineral crushing and enrichment in mineral processing. The device mainly comprises a power supply, a transformer, an impulse voltage generator, a gas switch, a crushing cavity, a high-voltage electrode, a screen mesh conveying device, a solid-liquid separator, a concentrate collector and a tailing collector. The above mineral compositions are fixedly arranged into a complete operating system through wires and auxiliary devices. For ores containing a plurality of metal components, the pulse conditions required for dissociation of the metal components are different due to different dielectric properties between the metal components and gangue minerals, so that the high-voltage pulse crushing of the metal ores is sequential. The device can enrich different metal components in the polymetallic ore step by step, simplify the subsequent sorting process of the polymetallic ore, reduce the excessive crushing of the ore and improve the ore dressing efficiency.
Description
Technical Field
The invention belongs to the technical field of mineral processing, relates to a crushing device, and particularly relates to a continuous high-voltage electric pulse crushing device for multi-metal ore step-by-step enrichment.
Background
The average grade of mineral resources in China is low, the associated components of the ore are many, all the mineral components are basically embedded in fine grains, the difficulty of ore dressing is increased due to the existence of the associated minerals, the economic cost of ore dressing is increased, and the ore dressing efficiency is reduced. The additional minerals in the associated minerals occupy high economic value, and the synchronous realization of the efficient utilization of the associated minerals is the key point of mineral separation work; meanwhile, the ore crushing and grinding operation influences the subsequent mineral sorting operation.
Disclosure of Invention
Aiming at the defects of the multi-metal ore sorting technology in the existing mineral crushing and enriching technology, the invention provides a continuous high-voltage electric pulse ore crushing device for multi-metal ore stepwise enrichment.
In order to achieve the purpose, the invention adopts the following technical scheme: a continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment comprises a power supply, an ore feeding bin and a liquid feeding bin, and is characterized by further comprising a gas switch, a transformer, an impulse voltage generator, an alloy rod, a high-voltage positive electrode, a crushing cavity, a grounding wire and a high-voltage negative electrode; the gas switch, the transformer, the impulse voltage generator, the alloy bar, the high-voltage positive electrode, the crushing cavity, the grounding lead and the high-voltage negative electrode are all arranged in a plurality of same numbers,
the device comprises a power supply, a gas switch, a transformer, an impulse voltage generator, an alloy rod, a discharge device, a grounding wire, a high-voltage negative electrode, a high-voltage positive electrode, a high-voltage negative electrode, a grounding wire, a high-voltage negative electrode, a grounding wire and a high-voltage pulse generator, wherein the power supply is connected with one end of the gas switch, the other end of the gas switch is connected with one end of the transformer, the other end of the transformer is connected with one end of the impulse voltage generator, the high-voltage pulse generator is formed by the units together, one end of the alloy rod is connected with the other end of the impulse,
it has ore deposit mouth and insulating liquid entry to open respectively on the upper portion lateral wall in broken chamber, give ore deposit storehouse and the ore deposit mouth intercommunication in first broken chamber, give the insulating liquid entry intercommunication in liquid storehouse and each broken chamber, the discharging device below is equipped with screen cloth conveyer, and screen cloth conveyer below is equipped with solid-liquid separator, and the undersize material gets into solid-liquid separator, and the separation back solid gets into the concentrate collector, and the liquid circulates for the liquid storehouse through the recovery pipeline giving after the separation, and the ore deposit mouth in next broken chamber is passed through to screen cloth conveyer's one end, sends the material on the screen to next broken intracavity, and it is complete until the concentrate is collected, and the residual material gets into the tailing collector.
Preferably, the range of the voltage released by the impulse voltage generator is 50-220kv, and the frequency is 2-10 Hz.
Preferably, the side wall of the crushing cavity is made of an insulating material, and the bottom of the crushing cavity is made of a conductive material.
Preferably, the upper part of the crushing cavity is cylindrical, and the bottom of the crushing cavity is inverted cone-shaped.
Preferably, the alloy rod is a copper-tungsten alloy rod.
Compared with the prior art, the invention has the following beneficial effects: the device is based on different dielectric properties of different useful metal minerals, useful metal minerals and gangue non-metal minerals in the multi-metal minerals, the high-voltage pulse is utilized to crush the metal minerals to have the sequential characteristic, high-dielectric constant mineral components are enriched in a first crushing cavity, fine-fraction products are collected through a screen conveyer, coarse-fraction products enter a next crushing cavity through a conveyer to be crushed, crushing voltage is gradually increased until the enrichment of each component metal mineral is completed. The multi-metal ore is subjected to fractional crushing to enrich the useful metal minerals in the multi-metal ore respectively, so that the multi-metal ore is subjected to fractional enrichment to form high-grade single-component metal minerals, the sorting disadvantage of the multi-metal ore is eliminated, and the ore dressing efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a continuous high-voltage electric pulse ore crushing device for multi-metal ore step enrichment according to the present invention;
FIG. 2 is a top view of a crushing chamber I;
FIG. 3 is a schematic view of a liquid circulation circuit;
in the figure, a power supply 1, a gas switch I2-1, a gas switch II 2-2, a gas switch III 2-3, a transformer I3-1, a transformer II 3-2, a transformer III 3-3, a surge voltage generator I4-1, a surge voltage generator II 4-2, a surge voltage generator III 4-3, an alloy bar I5-1, an alloy bar II 5-2, an alloy bar III 5-3, a high-voltage positive electrode I6-1, a high-voltage positive electrode II 6-2, a high-voltage positive electrode III 6-3, a crushing chamber I7-1, a crushing chamber II 7-2, a crushing chamber III 7-3, a discharge device I8-1, a discharge device II 8-2, a discharge device III 8-3, a discharge device I9-1, a screen conveyer II 9-2, 9-3 screen mesh conveying device III, 10 ore feeding bin, 11 liquid feeding bin, 12-1 solid-liquid separation device I, 12-2 solid-liquid separation device II, 12-3 solid-liquid separation device III, 13-1 concentrate collector I, 13-2 concentrate collector II, 13-3 concentrate collector III, 14 tailing collector, 15 recovery pipeline, 16-1 grounding lead I, 16-2 grounding lead II, 16-3 grounding lead III, 17-1 high-voltage negative electrode I, 17-2 high-voltage negative electrode II and 17-3 high-voltage negative electrode III.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in figure 1, the invention provides a continuous high-voltage electric pulse ore crushing device for multi-metal ore step enrichment, which comprises a power supply 1, a gas switch I2-1, a gas switch II 2-2, a gas switch III 2-3, a transformer I3-1, a transformer II 3-2, a transformer III 3-3, an impulse voltage generator I4-1, an impulse voltage generator II 4-2, an impulse voltage generator III 4-3, an alloy rod I5-1, an alloy rod II 5-2, an alloy rod III 5-3, a high-voltage positive electrode I6-1, a high-voltage positive electrode II 6-2, a high-voltage positive electrode III 6-3, a crushing cavity I7-1, a crushing cavity II 7-2, a crushing cavity III 7-3, a discharging device I8-1, The device comprises a discharging device II 8-2, a discharging device III 8-3, a screen conveyer I9-1, a screen conveyer II 9-2, a screen conveyer III 9-3, a feeding bin 10, a liquid feeding bin 11, a solid-liquid separation device I12-1, a solid-liquid separation device II 12-2, a solid-liquid separation device III 12-3, a concentrate collector I13-1, a concentrate collector II 13-2, a concentrate collector III 13-3, a tailing collector 14, a recovery pipeline 15, a grounding lead I16-1, a grounding lead II 16-2, a grounding lead III 16-3, a high-voltage negative electrode I17-1, a high-voltage negative electrode II 17-2 and a high-voltage negative electrode III 17-3;
the power supply 1 is general power supply equipment, the power supply 1 is respectively connected with one end of a gas switch I2-1, a gas switch II 2-2 and a gas switch III 2-3, the other end of the gas switch I2-1, the gas switch II 2-2 and the gas switch III 2-3 is respectively connected with one end of a transformer I3-1, a transformer II 3-2 and a transformer III 3-3, the other end of the transformer I3-1, the transformer II 3-2 and the transformer III 3-3 is respectively connected with one end of an impulse voltage generator I4-1, an impulse voltage generator II 4-2 and an impulse voltage generator III 4-3, and all the units form a high-voltage impulse generating circuit together.
In a first high-voltage electric pulse ore crushing device, one end of an alloy rod I5-1 is connected with an impulse voltage generator I4-1, the other end of the alloy rod I5-1 is connected with a high-voltage positive electrode I6-1, the alloy rod I5-1 is in insulated connection with a crushing cavity I7-1, a high-voltage negative electrode I18-1 is fixed on a discharging device I8-1, as shown in figure 2, the high-voltage negative electrode and the discharging device are installed together to facilitate discharging smoothly, and the high-voltage negative electrode I18-1 is connected with a grounding lead I16-1 to be grounded to form a loop of the whole circuit. The ore feeding bin 10 is communicated with an ore inlet arranged on the upper side wall of the crushing cavity I7-1, the liquid feeding bin 11 is communicated with an insulating liquid inlet arranged on the upper side wall of the crushing cavity II 7-2, the screen conveying device I9-1 is positioned below the discharging device I8-1, the discharging device I8-1 discharges materials, materials on a screen are conveyed to the crushing cavity II 7-2 through the screen conveying device I9-1 and a rubber belt to be separated from a second potential metal, materials under the screen enter the solid-liquid separator I12-1, the separated solids enter the concentrate collector I13-1, liquid is fed into the liquid feeding bin 11 through the recovery pipeline 15 to be circulated, and the circulation circuit is shown in figure 3.
In the second high-voltage electric pulse ore crushing device, one end of an alloy rod II 5-2 is connected with an impulse voltage generator II 4-2, the other end of the alloy rod II 5-2 is connected with a high-voltage positive electrode II 6-2, the alloy rod II 5-2 is in insulated connection with a crushing cavity II 7-2, a high-voltage negative electrode II 18-2 is fixed on a discharging device II 8-2, and the high-voltage negative electrode II 18-2 is connected with a grounding lead II 16-2 and grounded to form a loop of the whole circuit. And the discharging device II 8-2 discharges materials, materials on the screen are conveyed to the crushing cavity III 7-3 through the screen conveying device II 9-2 and the rubber belt to be separated from the third potential metal, materials under the screen enter the solid-liquid separator II 12-2, the separated solids enter the concentrate collector II 13-2, and liquid is fed into the liquid feeding bin 11 through the recovery pipeline 15 to be circulated.
In the third high-voltage electric pulse ore crushing device, one end of an alloy rod III 5-3 is connected with an impulse voltage generator III 4-3, the other end of the alloy rod III 5-3 is connected with a high-voltage positive electrode III 6-3, the alloy rod III 5-3 is in insulated connection with a crushing cavity III 7-3, a high-voltage negative electrode III 18-3 is fixed on a discharging device III 8-3, and the high-voltage negative electrode III 18-3 is connected with a grounding lead III 16-3 to be grounded to form a loop of the whole circuit. And discharging by a discharging device III 8-3, feeding oversize materials into a tailing collector 14 through a screen conveyer III 9-3, feeding undersize materials into a solid-liquid separator III 12-3, feeding separated solids into a concentrate collector III 13-3, and feeding liquid into a liquid feeding bin 11 through a recovery pipeline 15 for circulation.
The crushing cavity I7-1, the crushing cavity II 7-2 and the crushing cavity III 7-3 are identical in structure and are made of side wall insulating materials, the bottom of the crushing cavity is made of conducting materials, the upper portion of the crushing cavity is cylindrical, and the bottom of the crushing cavity is of an inverted cone structure, so that discharging is facilitated.
The alloy rod I5-1, the alloy rod II 5-2 and the alloy rod III 5-3 are made of the same material and are all copper-tungsten alloy rods.
The method comprises the following steps:
(1) open the valve of insulating liquid entry and ore entry on broken chamber I7-1 respectively, leading into broken chamber I7-1 with insulating liquid and the large granule ore of a certain amount, wherein, the volume ratio of insulating liquid and large granule ore is 1: 2-4; when the insulating liquid and the large-particle ore are filled to 2/3-3/4 of the total volume of the crushing cavity I7-1, valves of an insulating liquid inlet and an ore inlet are closed;
(2) the power supply 1 is started to supply power, the gas switch I2-1 is conducted, the voltage is changed through the transformer I3-1, the impulse voltage generator I4-1 continuously transmits high-voltage electric pulses to the high-voltage positive electrode I6-1 through a subsequent circuit and transmits the high-voltage electric pulses to large-particle ores, and the large-particle ores are shattered, wherein the pulse intensity is 90kV, and the pulse frequency is 2-10 Hz;
(3) starting a power supply 1 to supply power for 10-15 min, opening valves of an insulating liquid inlet and an ore inlet of a crushing cavity II 7-2, simultaneously opening a discharging device I8-1, starting a screen conveyer I9-1 and a solid-liquid separation device I12-1, conveying oversize materials into the crushing cavity II 7-2 through a rubber belt, conveying undersize materials into the solid-liquid separation device I12-1, conveying small-particle ores separated by the solid-liquid separation device I12-1 into a concentrate collector I13-1, and returning separated insulating liquid into a liquid feeding bin 11 through a recovery pipeline 15 for recycling;
(4) the gas switch II 2-2 is conducted, voltage transformation is carried out through the transformer II 3-2, the impulse voltage generator II 4-2 continuously transmits high-voltage electric pulses to the high-voltage positive electrode II 6-2 through a subsequent circuit and transmits the high-voltage electric pulses to ores, so that the ores are shattered, wherein the impulse strength is 120kV, and the impulse frequency is 2-10 Hz;
(5) starting a power supply 1 to supply power for 10-15 min, opening valves of an insulating liquid inlet and an ore inlet of a crushing cavity III 7-3, simultaneously opening a discharging device II 8-2, starting a screen conveyer II 9-2 and a solid-liquid separation device II 12-2, conveying oversize materials into the crushing cavity III 7-3 through a rubber belt, conveying undersize materials into the solid-liquid separation device II 12-2, conveying small-particle ores separated by the solid-liquid separation device II 12-2 into a concentrate collector II 13-2, and returning separated insulating liquid into a liquid feeding bin 11 through a recovery pipeline 15 for recycling;
(6) the gas switch III 2-3 is conducted, voltage transformation is carried out through the transformer III 3-3, the impulse voltage generator III 4-3 continuously transmits high-voltage electric pulses to the high-voltage positive electrode III 6-3 through a subsequent circuit and transmits the high-voltage electric pulses to ores, so that the ores are shattered, wherein the impulse intensity is 150kV, and the impulse frequency is 2-10 Hz;
(7) opening a discharging device III 8-3, starting a screen mesh conveying device III 9-3 and a solid-liquid separation device III 12-3, conveying oversize materials into a tailing collector 14 through a rubber belt, conveying undersize materials into the solid-liquid separation device III 12-3, conveying small-particle ores separated by the solid-liquid separation device III 12-3 into a concentrate collector III 13-3, and returning separated insulating liquid into a liquid feeding bin 11 through a recovery pipeline 15 for recycling.
The above description is only of a few embodiments of the present invention, and it should be noted that: for the high-voltage electric pulse ore crushing device, any different connection modes can be used without departing from the principle of the invention, and the different connection modes are also considered as the protection scope of the invention; it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (4)
1. A continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment comprises a power supply, an ore feeding bin and a liquid feeding bin, and is characterized by further comprising a gas switch, a transformer, an impulse voltage generator, an alloy rod, a high-voltage positive electrode, a crushing cavity, a grounding wire and a high-voltage negative electrode; the gas switch, the transformer, the impulse voltage generator, the alloy bar, the high-voltage positive electrode, the crushing cavity, the grounding lead and the high-voltage negative electrode are all arranged in a plurality of same numbers,
the device comprises a power supply, a gas switch, an impulse voltage generator, an alloy rod, a grounding wire, a high-voltage negative electrode, a high-voltage positive electrode, a high-voltage pulse generating circuit, a material discharging device, a grounding wire, a high-voltage negative electrode, a circuit of the whole circuit, wherein the power supply is connected with one end of the gas switch, the other end of the gas switch is connected with one end of a transformer, the other end of the transformer is connected with one end of the impulse voltage generator, the high-voltage pulse generating circuit is formed by the units together, one end of the alloy rod is connected with the other end of the impulse voltage generator, the other end of the alloy rod is connected with the high-voltage positive electrode, the alloy rod is mounted at the top of a crushing cavity in an insulating way, one end of the alloy rod, which is connected with the high-voltage positive electrode, is arranged in the crushing cavity, the,
it has ore deposit mouth and insulating liquid entry to open respectively on the upper portion lateral wall in broken chamber, give ore deposit storehouse and the ore deposit mouth intercommunication in first broken chamber, give the insulating liquid entry intercommunication in liquid storehouse and each broken chamber, the discharging device below is equipped with screen cloth conveyer, and screen cloth conveyer below is equipped with solid-liquid separator, and the undersize material gets into solid-liquid separator, and the separation back solid gets into the concentrate collector, and the liquid circulates for the liquid storehouse through the recovery pipeline giving after the separation, and the ore deposit mouth in next broken chamber is passed through to screen cloth conveyer's one end, sends the material on the screen to next broken intracavity, and it is complete until the concentrate is collected, and the residual material gets into the tailing collector.
2. The continuous high-voltage electric pulse ore crushing device for the multi-metal ore step enrichment according to claim 1, wherein the side wall of the crushing cavity is made of an insulating material, and the bottom of the crushing cavity is made of a conductive material.
3. The continuous high-voltage electric pulse ore crushing device for the multi-metal ore step-wise enrichment according to claim 1, wherein the upper part of the crushing cavity is cylindrical, and the bottom part is inverted conical.
4. The continuous type high-voltage electric pulse ore crushing device for multi-metal ore step enrichment according to claim 1, wherein the alloy rod is a copper-tungsten alloy rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175083.3A CN111229423B (en) | 2020-03-13 | 2020-03-13 | Continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175083.3A CN111229423B (en) | 2020-03-13 | 2020-03-13 | Continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111229423A CN111229423A (en) | 2020-06-05 |
| CN111229423B true CN111229423B (en) | 2021-07-06 |
Family
ID=70867825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010175083.3A Active CN111229423B (en) | 2020-03-13 | 2020-03-13 | Continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111229423B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452497B (en) * | 2020-11-02 | 2022-04-15 | 昆明理工大学 | Method and device for preparing tailing nano-particles by using high-power electromagnetic pulses |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2081259C1 (en) * | 1995-02-22 | 1997-06-10 | Научно-исследовательский институт высоких напряжений при Томском политехническом университете | Method for making pieces of substandard reinforced concrete |
| JP2000179277A (en) * | 1998-12-11 | 2000-06-27 | Komatsu Ltd | Electrode for electric crushing |
| CN104772209B (en) * | 2015-03-06 | 2017-03-08 | 中国科学院电工研究所 | A kind of light-operated pulse for polycrystalline silicon crushing device triggers system |
| CN206661389U (en) * | 2017-03-31 | 2017-11-24 | 东北大学 | A kind of high electric field pulse ore crushing apparatus for ore pretreatment |
| CN106824455B (en) * | 2017-03-31 | 2022-05-20 | 东北大学 | Application method of high-voltage electric pulse ore crushing device for ore pretreatment |
| CN106944224B (en) * | 2017-03-31 | 2019-07-23 | 东北大学 | One kind being used for the pretreated high electric field pulse ore crushing apparatus of ore |
| CN106944223B (en) * | 2017-03-31 | 2018-11-27 | 东北大学 | A method of grinding efficiency is improved using electric pulse pretreatment ore |
| CN106944225B (en) * | 2017-03-31 | 2018-08-28 | 东北大学 | A kind of high electric field pulse preprocess method that strong permanent magnet mine is crushed and sorts |
| CN106824454B (en) * | 2017-03-31 | 2018-10-23 | 东北大学 | A kind of high electric field pulse preprocess method strengthened refractory gold ore and leached |
| CN110721793A (en) * | 2019-11-18 | 2020-01-24 | 国网青海省电力公司电力科学研究院 | Underwater high-voltage pulse discharging crushing device |
-
2020
- 2020-03-13 CN CN202010175083.3A patent/CN111229423B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111229423A (en) | 2020-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110215985B (en) | High-voltage electric pulse device for ore crushing pretreatment | |
| CN106984412B (en) | A kind of lean hematite ore high electric field pulse selective molecular attraction Preconcentration | |
| CN106944225B (en) | A kind of high electric field pulse preprocess method that strong permanent magnet mine is crushed and sorts | |
| CN106824455B (en) | Application method of high-voltage electric pulse ore crushing device for ore pretreatment | |
| CN106944223B (en) | A method of grinding efficiency is improved using electric pulse pretreatment ore | |
| CN206661389U (en) | A kind of high electric field pulse ore crushing apparatus for ore pretreatment | |
| WO2021004189A1 (en) | High-voltage electrical pulse pretreatment method for reinforcing galena crushing and sorting | |
| CN108014913B (en) | Ultra-lean magnetite beneficiation method and system for associated phosphorus minerals | |
| CN105057087A (en) | Tin-tungsten ore selection method | |
| CN111229423B (en) | Continuous high-voltage electric pulse ore crushing device for multi-metal ore step-by-step enrichment | |
| CN106824454A (en) | It is a kind of to strengthen the high electric field pulse preprocess method that refractory gold ore is leached | |
| CN111036327A (en) | Tungsten ore granule circulation broken sieving mechanism | |
| CN109317309A (en) | A kind of magnetic separator and its beneficiation method | |
| CN110215986B (en) | High-voltage electric pulse pretreatment method for strengthening scheelite crushing and sorting | |
| CN102230070B (en) | Novel three-stage pre-dressing and crushing process for low-grade magnetite | |
| CN110756335A (en) | Device and method for recovering metal from waste circuit board fine-grained crushed product | |
| CN211436331U (en) | Reducing mechanism is used in ore dressing | |
| CN103143651A (en) | Waste electric wire crushing and separation method and device | |
| CN110193416B (en) | High-voltage electric pulse pretreatment method for strengthening crushing and sorting of chalcopyrite | |
| CN101161349B (en) | Ore-sorting system and technique for iron ore powder | |
| CN102230071B (en) | Novel technology of low-grade magnetite two-stage pre-selecting and crushing | |
| CN111203312A (en) | High-voltage electric pulse crushing pre-weakening and enriching process for metal ore | |
| CN213855012U (en) | Novel distributing device before intelligent sorting | |
| CN106944224B (en) | One kind being used for the pretreated high electric field pulse ore crushing apparatus of ore | |
| CN112169965B (en) | Ore high-voltage pulse discharge pretreatment system and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |