CN106944224B - One kind being used for the pretreated high electric field pulse ore crushing apparatus of ore - Google Patents
One kind being used for the pretreated high electric field pulse ore crushing apparatus of ore Download PDFInfo
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- CN106944224B CN106944224B CN201710206526.9A CN201710206526A CN106944224B CN 106944224 B CN106944224 B CN 106944224B CN 201710206526 A CN201710206526 A CN 201710206526A CN 106944224 B CN106944224 B CN 106944224B
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- 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
- B02C23/14—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
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/36—Adding fluid, other than for crushing or disintegrating by fluid energy the crushing or disintegrating zone being submerged in liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
-
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses one kind to be used for the pretreated high electric field pulse ore crushing apparatus of ore, and the ore belonged in mineral processing crushes preconditioning technique field.Its device mainly includes power supply, single-phase voltage regulator, exchange ignition transformer, six voltage doubling rectifing circuits, super-pressure ceramic capacitor, gas switch, high-field electrode, conductive cylinder, electric discharge muck bucket, vibration screen, dielectric, solid-liquid separator and product collector etc., and the above each unit is connected into a complete device systems by conducting wire and other auxiliary devices fixed installation.Ore alternative dissociation after the present apparatus is handled is broken, and running crack and crack is generated on ore internal mineral interface, and then improve mineral cleavage characteristic, reduces subsequent processing energy consumption, while avoiding the overground of valuable mineral, improves separation index.
Description
Technical field
The invention belongs to the ores of Mineral Processing Engineering to crush preconditioning technique field, and in particular to one kind is pre- for ore
The high electric field pulse ore crushing apparatus of processing.
Background technique
Mineral Resources in China is in the majority with lean ore, and mineral deposit symbiosis, Associated Constituents are more, and ore forms complex and disseminated grain size
Carefully.Therefore, the ore dressing work of China's ore faces bigger difficulty, low efficiency and the problems such as at high cost.Wherein ore reduction
Field sixty-four dollar question has: broken and grinding attachment, which is invested, and maintenance cost is very high, energy consumption is high, generation is excessive to be handled
Fine fraction and dissociate insufficient coarse fraction, increase the difficulty of subsequent sorting operation.
Current breaking method used by industrial is mainly mechanically pulverized.Mechanical crushing is the granularity by reducing ore
Dissociate valuable mineral and gangue mineral, for valuable mineral and the compact ore of gangue mineral, Mechanical Crushing is being broken
Be easy to appear the overground of valuable mineral during broken, method for separating to the recycling ability of valuable mineral with the reduction of granularity and under
Drop loses part valuable mineral, can not obtain effective recycling.
Valuable mineral and gangue mineral (iron mineral and quartz mineral in such as iron ore) electric conductivity in ore has obvious poor
Different, the research and development of the high electric field pulse ore crushing apparatus based on the effect of this conductivity difference selective crushing ore have important
Meaning.On the basis of guaranteeing valuable mineral quality, operation cost of enterprises is saved, the waste of resource is reduced.
Summary of the invention
For existing machinery crushing technology above shortcomings, the present invention provides a kind of with selective crushing ore work
High electric field pulse electric discharge ore crushing apparatus.The present apparatus is based on useful metal mineral and gangue nonmetallic mineral electric conductivity in ore
Matter is different, so that valuable mineral crystal grain is obtained sufficiently dissociation by selective crushing, i.e., valuable mineral is by die break at monomer mine
Composition granule, it is ensured that monomer dissociation valuable mineral granularity and quality are able to satisfy the requirement of follow-up separation technique in milling product, reduce
Subsequent processing energy consumption.
It is provided by the invention a kind of as shown in Fig. 1 for the pretreated high electric field pulse ore crushing apparatus of ore, mainly by
Power supply (1), single-phase voltage regulator (2), exchange ignition transformer (3), six voltage doubling rectifing circuits (4), super-pressure ceramic capacitor
(5), copper rod (6), high-field electrode (7), conductive cylinder (8), electric discharge muck bucket (9), vibration screen (10), dielectric (11), give
Ore storage bin (12), dielectric storehouse (13), earth lead (14), solid-liquid separator (15), product collector (16), gas switch
(17), high-voltage conducting wires (18), insulation bung (19), dielectric circulating line (20), vibration device (21), insulation vibrating arm (24)
Composition, wherein power supply (1) belongs to daily power supply unit, and power supply (1) is connected with single-phase voltage regulator (2), and single-phase voltage regulator (2) is again
It is connected with ignition transformer (3) is exchanged, exchange ignition transformer (3) output termination six voltage doubling rectifing circuits (4), six times of repoussages
Current circuit (4) output end and the input terminal of super-pressure ceramic capacitor (5) are connected, the both ends of super-pressure ceramic capacitor (5)
It is in parallel with the both ends of gas switch (17), the high-voltage rectifying oscillating circuit that can export high electric field pulse is constituted with this, it is high
The output end of pressure rectification oscillating circuit is that super-pressure ceramic capacitor (5) output end after parallel connection is connected with high-voltage conducting wires (18)
It connects, one end of multiple copper rods (6) is connected in parallel on high-voltage conducting wires (18), and the other end of copper rod (6) is equipped with high-field electrode (7), copper
Stick (6) is insulated on the insulation bung (19) for being fixed on and being located at the top of electric discharge muck bucket (9), and is equipped with high-field electrode
(7) one end is deep into electric discharge muck bucket (9)；The outer layer of electric discharge muck bucket (9) is made of insulating material, wherein with nylon material
Material is preferred, and the liner of electric discharge muck bucket (9) is inlaid with conductive cylinder (8), and the top of electric discharge muck bucket (9) is tubular, and bottom is
It is that tubular bottom is equipped with vibration screen (10) in place of the transition of back taper, tubular and back taper, the upper of muck bucket (9) of discharging
It is fixed on portion's insulated part side wall vibration device (21), and is connect with vibration screen (10) by insulation vibrating arm (24)；It puts
The back taper bottom of electric muck bucket (9) is connected by discharge port and conveyance conduit with solid-liquid separator (15), solid-liquid separator
(15) it is followed by product collector (16) and dielectric circulating line (20), is had in the upper portion side wall of electric discharge muck bucket (9)
Dielectric entrance and ore inlet, wherein dielectric entrance is connected by pipeline with dielectric storehouse (13), and ore inlet passes through
Chute or feeding belt give ore storage bin (12) to be connected together；One end of earth lead (14) pass through electric discharge muck bucket (9) outer layer with
Its internal conductive cylinder (8) is connected, and the other end of earth lead (14) is directly grounded the circuit for constituting entire circuit.
When work, startup power supply (1) power supply exchanges ignition transformer (3) boosting and six through single-phase voltage regulator (2) transformation
High voltage direct current is exported after voltage doubling rectifing circuit (4) rectifier boost, is charged to super-pressure ceramic capacitor (5), charging voltage
Rise time is musec order, and after the voltage at super-pressure ceramic capacitor both ends reaches certain value, gas in parallel is opened therewith
(17) breakdown conducting is closed, the rise time is exported in the high electric field pulse of nanosecond order, is loaded into copper rod through high-voltage conducting wires (18)
(6) it and is transmitted on high-field electrode (7)；High-field electrode (7) and conductive cylinder (8) material use stainless steel, and insulation cylinder material is
Nylon.Conductive cylinder (8) is grounding electrode, is connected with the earth by earth lead (14)；The tubular bottom of electric discharge muck bucket (9)
It is equipped with vibration screen (10), vibration screen is by insulation vibrating arm (24) and is fixed on electric discharge muck bucket (9) upper portion insulating portion
The vibration device (21) of point side wall is connected, and screen size can be according to requiring to be adjusted；High-field electrode (7) is high electric field pulse
Input terminal, the high electric field pulse that high electric field pulse electric discharge device is formed are output to by high-field electrode (7) and are placed on conductive cylinder (8)
On interior bulky grain ore (22), and earth lead (14) forming circuit is connect with conductive cylinder (8).It high-field electrode (7) and leads
Torch body forms voltage difference between (8)；When the voltage on high-field electrode (7) reaches certain value, then in high-field electrode (7) and
Cylindrical drum is discharged between (8), and electric discharge occurs inside the ore being immersed in dielectric (11), due in nanosecond pulse
Under effect, it is greater than ore by the dielectric strength of dielectric of water, so internal along valuable mineral and arteries and veins in bulky grain ore (22)
Be concatenated to form plasma channel between stone mineral interface, between high-field electrode and conductive cylinder after multiple discharge, then can
The bulky grain ore (22) that grain granularity is 10mm-100mm is crushed to the little particle ore (23) that grain graininess is 5mm-60mm, small
Granular ore (23) by vibration screen (10) sieve after fall into absolutely electric discharge muck bucket (9) bottom centrum lower part, after precipitation with
A small amount of dielectric (11) discharge electric discharge muck bucket (9) is outside and interior into solid-liquid separator (15), is separated by solid-liquid separator (15)
Little particle ore (23) out enters product collector (16), in case being used continuously when subsequent broken, grinding operation.Final particle
Size depends on the size of sieve pore, can be according to requiring to be adjusted slot size.
The high electric field pulse ore crushing apparatus that this invention is completed should carry out as follows using.
(1) start vibration device (21), vibration screen (10) vibration is driven by insulation vibrating arm (24)；Its vibration frequency
For 300 times/min~1200 time/min, the discharge port valve for being located at electric discharge muck bucket (9) bottom is closed, opens dielectric respectively
A certain number of dielectrics (11) and bulky grain ore (22) are imported into electric discharge muck bucket by the valve of entrance and ore inlet
(9) in, wherein the volume ratio of dielectric (11) and bulky grain ore (22) should be 1:2~5；When insulator (11) and bulky grain mine
Stone (22) closes the valve of above-mentioned two entrance when being filled into 2/3 to the 3/4 of electric discharge muck bucket (9) total measurement (volume)；
(2) startup power supply (1) is powered, and through single-phase voltage regulator (2) transformation, exchanges ignition transformer (3) boosting and six multiplication of voltages
High voltage direct current is exported after rectification circuit (4) rectifier boost, is charged to super-pressure ceramic capacitor (5), subsequent electricity is then passed through
Road direction high-field electrode (7) constantly conveys electric pulse, and sends bulky grain ore (22) to, so that it is shattered broken.Its pulse strength
For 50kV~300kV, pulse frequency is 10Hz~20Hz；
(3) be again turned on after 10min~15min after startup power supply (1) power supply electric discharge muck bucket (9) dielectric entrance and
The valve of ore inlet opens simultaneously its discharge port valve, controls the flow of insulator (11) and bulky grain ore (22), guarantees
The volume ratio of dielectric (11) and bulky grain ore (22) in electric discharge muck bucket (9) remains 1:2~5, dielectric (11) with
The loading of bulky grain ore (22) is the 2/3~3/4 of electric discharge muck bucket (9) total measurement (volume)；
(4) the discharge port valve for opening electric discharge muck bucket (9) simultaneously, starts and is attached thereto logical solid-liquid separator (15),
The little particle ore (23) that solid-liquid separator (15) is isolated enters in product collector (16), in case subsequent use, is isolated
Dielectric (11) returns among dielectric storehouse (13) through dielectric circulating line (20), and cycle uses.
Compared with prior art, the features of the present invention and beneficial effect are:
Compare traditional sample broke device, this highly selective broken to have many good qualities: it is easy to clean, do not intersect
Pollution；Selective crushing does not destroy mineral crystal form etc..It is optimal along brilliant failure mode that electric pulse is broken, can not only make mine
Stone is broken, and running crack and crack are generated on ore internal mineral interface, and then improves mineral cleavage characteristic.Ore warp
After high electric field pulse is broken, one side ore strength can be substantially reduced, it is contemplated that reduce by 30% or more ore grinding energy consumption；Another aspect energy
So that ore is considerably increased the liberation degree of minerals of valuable mineral along the boundary breaking of different minerals, helps to improve ore point
Select index.Main innovation point of the invention is:
(1) the structure design of multi-pair electrodes realizes high efficiency and the company of high electric field pulse electric discharge ore crushing apparatus breaking ores
Continuous property.
(2) screen mesh size can be changed according to the requirement to breaking ores granular size, meets broken, grinding operation demand.
(3) the broken equipment of high electric field pulse electric discharge can dissociate ore along mineral grains interface, i.e. selective crushing,
Rather than crushed, in this way can keep component original form while by valuable mineral from the other components of surrounding
It separates.
(4) the broken equipment of high electric field pulse electric discharge can be produced in the case where not reducing valuable mineral grain graininess in ore
The valuable mineral content of crushed product can be improved compared to being mechanically pulverized in raw more mono mineral particles, improves crushed product
Liberation degree of minerals is conducive to the reduction of subsequent processing process energy consumption, saves entreprise cost.
Detailed description of the invention
Fig. 1 be it is a kind of crush pretreated high electric field pulse ore crushing apparatus structural schematic diagram for ore, in figure: 1 is electricity
Source, 2 be single-phase voltage regulator, and 3 be exchange ignition transformer, and 4 be six voltage doubling rectifing circuits, and 5 be super-pressure ceramic capacitor, and 6 are
Copper rod, 7 be high-field electrode, and 8 be conductive cylinder, and 9 be electric discharge muck bucket, and 10 be vibration screen, and 11 be dielectric, and 12 is to mines
Storehouse, 13 be dielectric storehouse, and 14 be earth lead, and 15 be solid-liquid separator, and 16 be product collector, and 17 be gas switch, and 18 are
High-voltage conducting wires, 19 be insulation bung, and 20 be dielectric circulating line, and 21 be vibration device, and 22 be bulky grain ore, and 23 be small
Grain ore, 24 be insulation vibrating arm.
Fig. 2 is the scanning electronic microscope observation figure of the standard crushed product of magnetic iron ore.
Fig. 3 is the scanning electronic microscope observation figure of the high electric field pulse crushed product of magnetic iron ore.
Fig. 4 is the scanning electronic microscope observation figure of the standard crushed product of extreme poverty hematite.
Fig. 5 is the scanning electronic microscope observation figure of the high electric field pulse crushed product of extreme poverty hematite.
Specific embodiment
The present invention will be further described with reference to embodiments.
The broken equipment of high electric field pulse used in the embodiment of the present invention electric discharge to ore carry out it is broken used in device and
The structure that summary of the invention is described is identical, carries out ore reduction using device is somebody's turn to do, analyzes each grade yield and gold of crushed product
Belong to content, liberation degree of minerals, microscopic appearance, and it is compared with Mechanical Crushing product.
Embodiment 1
The sample ore that the present embodiment uses is The Great Hermit Hill magnetic iron ore, and main chemical compositions are as shown in table 1.It can be seen by table 1
Out, valuable element is iron in raw ore, and TFe grade is that 32.61%, FeO content is 17.49%；Major impurity is SiO2, account for
45.77%；Objectionable impurities S, P content are lower.The chemical phase analysis of raw ore Fe element is shown in Table 2, as shown in Table 2, iron in ore
Mainly exist in the form of magnetic iron ore, iron occupation rate is up to 79.70% in magnetic iron ore, secondly with siderite, red (brown) iron ore and silicon
The form of sour iron exists, and exists in the form of iron sulfide on a small quantity.
1 raw ore chemical composition analysis of table/%
Chemical phase analysis result/% of 2 iron in ore element of table
The Great Hermit Hill magnetic iron ore is crushed with high electric field pulse electric discharge ore crushing apparatus.+ 30mm content is accounted for 70% 500Kg mine
Stone feeds high electric field pulse equipment cylindrical drum, in electrode spacing 100mm, discharge voltage 60kV, persistently to ore electric discharge broken 400
It is secondary, disconnect power supply, breakdown products under collection screen after the completion of electric discharge.The ore of same weight is marked with roller pair breaking crusher machine
Quasi- breakdown products compare the characteristic of two kinds of breakdown products.
Size exclusion is carried out to two kinds of breakdown products and carries out each grade containing Fe and Ti, the results are shown in Table 3 and table 4.
The size distribution of 3 standard breakdown products of table and each grade product TFe grade
The size distribution of 4 high electric field pulse breakdown products of table and each grade product TFe grade
By table 3 and table 4 it is found that the fine fraction content of high electric field pulse crushed product is higher than standard crushed product, -1mm's
Content is increased to 29.19% by 20.35%, and TFe grade is increased to 35.72% by 34.92%.This illustrates high electric field pulse
Broken equipment can more efficiency crushing ore, while improving the content of valuable mineral.
This research and utilization scanning electron microscope observes the reduzate microscopic appearance of magnetic iron ore, as a result sees attached drawing
In Fig. 2 and Fig. 3.
As shown in Figure 2, the roller pair breaking product of magnetic iron ore, valuable mineral magnetic iron ore is cracked, i.e., transcrystalline is broken；By scheming
3 it is found that the high electric field pulse of magnetic iron ore is broken is dissociated along mineral grains interface, keeps original form of valuable mineral.
Embodiment 2
The sample ore that the present embodiment uses is derived from the extreme poverty hematite in thousand Mining Limited Company dressing plant of saddle, main
Chemical component is as shown in table 5.As can be seen from Table 5, main metal element is iron in extreme poverty hematite, and TFe grade is
19.34%, belong to extreme poverty hematite.Wherein FeO grade is 0.68%, it is known that magnet mineral content is less in ore.SiO2Contain
Amount up to 75.18% illustrates that main gangue mineral is silica.Secondly Al2O3It is respectively 0.17% He with content of MgO
0.28%, other constituent contents are lower.
5 raw ore chemical composition analysis of table/%
Extreme poverty hematite is crushed in use for laboratory high electric field pulse electric discharge ore crushing apparatus.Granularity+20mm content is accounted for
85% 500Kg ore feeds high electric field pulse equipment cylindrical drum, in electrode spacing 100mm, discharge voltage 80kV, persistently to mine
Stone electric discharge is 600 times broken, disconnects power supply, breakdown products under collection screen after discharging completely.The ore of same weight is broken with to roller
Broken crusher machine obtains standard breakdown products, compares the characteristic of two kinds of breakdown products.
Size exclusion test is carried out to two kinds of breakdown products and each grade iron content measurement result is shown in Table 6 and table 7.
The size distribution of 6 standard breakdown products of table and each grade product TFe grade
The size distribution of 7 high electric field pulse breakdown products of table and each grade product TFe grade
By table 6 and table 7 it is found that the fine fraction content of high electric field pulse crushed product is high compared with standard crushed product, -0.1mm
Content be increased to 24.73% by 21.96%, and TFe grade is increased to 23.33% by 22.50%.This illustrates high-voltage electricity arteries and veins
Break through broken equipment can more efficiency crushing ore, while improving the content of valuable mineral.
This research and utilization scanning electron microscope observes the reduzate microscopic appearance of extreme poverty hematite, as a result
See Fig. 4 and Fig. 5.
As shown in Figure 4, crackle is that occur at random in the roller pair breaking product of extreme poverty hematite, is realized brokenly by mechanical force
Broken, the partial fracture in ore is not along bloodstone-quartz interface.And as shown in Figure 5, extreme poverty hematite is through high electric field pulse
Broken rear ore particles fracture crack is more coarse and with trace and stomata is burnt, this explanation is in high electric field pulse shattering process
There are hot environments in the discharge channel that middle bloodstone-silica interfaces are formed, and aggravate ore particles fragmentation；And make broken edge
Mineral grains interface is dissociated, and original form of useful constituent is kept.
Claims (1)
1. one kind is used for the pretreated high electric field pulse ore crushing apparatus of ore, the daily power supply unit of the device is power supply (1),
Characterized by further comprising single-phase voltage regulator (2), exchange ignition transformer (3), six voltage doubling rectifing circuits (4), super-pressure ceramics
Capacitor (5), copper rod (6), high-field electrode (7), conductive cylinder (8), electric discharge muck bucket (9), vibration screen (10), dielectric
(11), ore storage bin (12), dielectric storehouse (13), earth lead (14), solid-liquid separator (15), product collector (16), gas are given
Switch (17), high-voltage conducting wires (18), insulation bung (19), dielectric circulating line (20), vibration device (21), insulation vibrating arm
(24), wherein power supply (1) is connected with single-phase voltage regulator (2), single-phase voltage regulator (2) again with exchange ignition transformer (3) be connected
It connects, exchange ignition transformer (3) output termination six voltage doubling rectifing circuits (4), six voltage doubling rectifing circuits (4) output end and super-pressure
The input terminal of ceramic capacitor (5) is connected, and the both ends of the both ends of super-pressure ceramic capacitor (5) and gas switch (17) are mutually simultaneously
Connection, the high-voltage rectifying oscillating circuit that can export high electric field pulse is constituted with this, the output end of high-voltage rectifying oscillating circuit is
Super-pressure ceramic capacitor (5) output end after parallel connection is connected with high-voltage conducting wires (18), and one end of multiple copper rods (6) is connected in parallel on
On high-voltage conducting wires (18), the other end of copper rod (6) is equipped with high-field electrode (7), and copper rod (6) insulating mounting, which is fixed on, is located at electric discharge
On insulation bung (19) at the top of muck bucket (9), and the one end for being equipped with high-field electrode (7) is deep into electric discharge muck bucket
(9) in；The outer layer of electric discharge muck bucket (9) is made of insulating material, and the liner of electric discharge muck bucket (9) is inlaid with conductive cylinder (8),
The top of electric discharge muck bucket (9) is tubular, and it is the installation of tubular bottom in place of the transition of tubular and back taper that bottom, which is back taper,
Have vibration screen (10), is fixed with vibration device (21) in the upper portion insulating partial sidewall of electric discharge muck bucket (9), and and vibrating screen
Net (10) passes through insulation vibrating arm (24) connection；Discharge muck bucket (9) back taper bottom by discharge port and conveyance conduit with
Solid-liquid separator (15) is connected, and solid-liquid separator (15) is followed by product collector (16) and dielectric circulating line (20), puts
Dielectric entrance and ore inlet are had in the upper portion side wall of electric muck bucket (9), wherein dielectric entrance is same by pipeline
Dielectric storehouse (13) is connected, and ore inlet gives ore storage bin (12) to be connected by the way that chute or feeding belt are same；Earth lead (14)
One end pass through electric discharge muck bucket (9) outer layer with its inside conductive cylinder (8) be connected, the other end of earth lead (14)
It is directly grounded,
Wherein, the vibration frequency of vibration device (21) is 300 times/min to 1200/min.
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