CN105478242B - Pin electrode current measuring device and measuring method in high pressure electrostatic separator - Google Patents
Pin electrode current measuring device and measuring method in high pressure electrostatic separator Download PDFInfo
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- CN105478242B CN105478242B CN201510912507.9A CN201510912507A CN105478242B CN 105478242 B CN105478242 B CN 105478242B CN 201510912507 A CN201510912507 A CN 201510912507A CN 105478242 B CN105478242 B CN 105478242B
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- pin electrode
- pin
- transfer roller
- switch
- electric connection
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/06—Ionising electrode being a needle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/24—Details of magnetic or electrostatic separation for measuring or calculating parameters, efficiency, etc.
Abstract
The present invention relates to the pin electrode current measuring device in a kind of high pressure electrostatic separator and measuring method, described device includes high voltage power supply, microampere meter, switch-board and porcupine roller type electric discharge device；Drawing in the output termination of high voltage power supply has the first power line and second source line, and microampere meter is serially connected on second source line；The switch set body that switch-board is made up of some selecting switch, the first electric connection that each selecting switch includes connecting with the first power line, the second electric connection to connect with second source line and the movable contact electrically connected in a manner of selecting one with the first electric connection or the holding of the second electric connection；Transfer roller and some pin electrodes that porcupine roller type electric discharge device includes support, is horizontally supported at by roll shaft on support；Earthing or grounding means is provided with transfer roller；The insulation hack lever parallel with the roll shaft of transfer roller is provided with the top of support, pin electrode is fixed on insulation hack lever, and every pin electrode is perpendicularly oriented to the roll shaft of transfer roller, and every pin electrode electrically connects with the movable contact of a selecting switch.
Description
Technical field
The present invention relates to a kind of current measuring device and measuring method, in specifically a kind of high pressure electrostatic separator
Pin electrode current measuring device and measuring method.
Background technology
High pressure electrostatic separator mainly by HV generator, shell, insulation board, material conveying plate chain, power wheel, turn
The parts such as roller, discharge electrode and recovery plate chain form, for separating conductor and idioelectric mixture.Electrostatic separation is a kind of clean
Sorting technology, will not as in general industry sorting cause serious water pollution, therefore be widely used in industrial ore dressing and
The fields such as offal treatment.The operation principle of high pressure electrostatic separator is：When material is by transfer roller and corona electrode effect institute shape
Into high voltage electric field in when, can by the collective effect of electric field force, gravity and centrifugal force, due to various materials electrical property not
Together, therefore stress also differs, therefore can form different running routes when material falls, be achieved in material conductor with
Idioelectric separation.
In assorting room, the principal element that influences particle to be sorted separation is space electrical field and Electric Field Distribution, because
The research of this Electric Field Characteristics to high-voltage electrostatic sorting is very crucial.But the pin of existing high pressure electrostatic separator is electric
Electrode current measurement apparatus is only used for measuring the total current of all pin electrodes, and what is measured is electric discharge total amount, and is unable to measurement stream warp
The discharge current of single pin electrode or the discharge current of any several pin electrodes combination, therefore also can not just determine each location point
The concrete numerical value for the electric charge released.This, which results in researcher, can not accurately analyze position between pin electrode and transfer roller, pin
When the radical of electrode, length of pin electrode etc. change, how the charge density of radiation changes, i.e., not can determine that in different knots
Structure pin electrode treats what kind of influence is sorting charging particle effect have when discharging.
The content of the invention
An object of the present invention is just to provide the pin electrode current measuring device in a kind of high pressure electrostatic separator, with solution
Certainly existing current measuring device can not measure the problem of discharge current of single or any a plurality of needles electrode.
The second object of the present invention is just to provide the pin electrode current measuring method in a kind of high pressure electrostatic separator, so as to
Yu researcher can accurately analyze the influence that differing needles electrode arrangement configurations treat sorting charging particle effect.
What an object of the present invention was realized in：A kind of pin electrode current measuring device of high pressure electrostatic separator,
Including high voltage power supply, microampere meter, switch-board and pin-roll shape electric discharge device；
Drawing in the output termination of the high voltage power supply has two-way power line, is divided into the first power line and second source line, institute
Microampere meter is stated to be serially connected on second source line；
The switch-board forms a switch set body by some selecting switch, and each selecting switch includes first
Electric connection, the second electric connection and movable contact；Wherein, first electric connection connects with first power line, second electricity
Joint connects with the second source line, and the movable contact is protected in a manner of selecting one with first electric connection or the second electric connection
Hold electrical connection；
The pin-roll shape electric discharge device includes support, transfer roller and some pin electrodes；The transfer roller passes through roll shaft horizontal support
On the bracket, earthing or grounding means is provided with the transfer roller；Be provided with the support above the transfer roller with it is described
The parallel insulation hack lever of the roll shaft of transfer roller, the pin electrode is fixed in a manner of single on the insulation hack lever, described in every
Pin electrode is perpendicularly oriented to the roll shaft of the transfer roller, and the every pin electrode electrically connects with the movable contact of a selecting switch.
In apparatus of the present invention, some spliced eyes are provided with the insulation hack lever, the every pin electrode is plugged on one
In spliced eye.
In apparatus of the present invention, the arrangement width of the pin electrode is less than the roll surface length of the transfer roller.
Some pin electrodes are provided separately by apparatus of the present invention, make to come independently of one another, and by switch-board to every pin electricity
Pole is respectively controlled, so as to measure the discharge current of the discharge current value of any one pin electrode or any a plurality of needles electrode
It is worth sum, discharge current on single or any a plurality of needles electrode can not accurately be measured by solving existing pin electrode current measuring device
Size, can not specifically to pin electrode discharge current quantitative study the problem of.
Apparatus of the present invention are simple in construction, practical, and cost is low, and measure accurately, substantially increase separator pin electrode
Current measurement efficiency, for research differing needles electrode arrangements in the case of, the regularity of distribution for sorting electric field provides powerful support, is
Manufacture and design pin-roll shape high pressure electrostatic separator that the efficiency of separation is high, effect is good and established solid foundation, to high-pressure electrostatic point
Select the Curve guide impeller of machine structure significant.
What the second object of the present invention was realized in：A kind of pin electrode current measuring method of high pressure electrostatic separator,
It is characterized in that comprise the following steps：
The pin electrode current measuring device of a set of high pressure electrostatic separator is set, and the device includes high voltage power supply, microampere a,
Table, switch-board and pin-roll shape electric discharge device；
Drawing in the output termination of the high voltage power supply has two-way power line, is divided into the first power line and second source line, institute
Microampere meter is stated to be serially connected on second source line；
The switch-board forms a switch set body by some selecting switch, and each selecting switch includes first
Electric connection, the second electric connection and movable contact；Wherein, first electric connection connects with first power line, second electricity
Joint connects with the second source line, and the movable contact is protected in a manner of selecting one with first electric connection or the second electric connection
Hold electrical connection；
The pin-roll shape electric discharge device includes support, transfer roller and some pin electrodes；The transfer roller passes through roll shaft horizontal support
On the bracket, earthing or grounding means is provided with the transfer roller；Be provided with the support above the transfer roller with it is described
The parallel insulation hack lever of the roll shaft of transfer roller, the pin electrode is fixed in a manner of single on the insulation hack lever, described in every
Pin electrode is perpendicularly oriented to the roll shaft of the transfer roller, and the every pin electrode electrically connects with the movable contact of a selecting switch；
B, the movable contact of each selecting switch in switch-board is respectively closed on respective first electric connection, makes pin-roll shape
All pin electrodes in electric discharge device switch on power, and then, open high voltage power supply, all pin electrodes are for transfer roller production below
Raw electric discharge phenomena；
C, a certain pin electrode to be measured is selected, using insulating bar by the movable contact of the selecting switch to connect with the pin electrode to be measured
It is closed on its second electric connection, the pin electrode is connected high voltage power supply again after the microampere meter connected on the power line, this
When microampere meter registration be the pin electrode discharge current value；
D, the movable contact with the selecting switch that chaining pin electrode connects is closed on its first electric connection using insulating bar,
Select again and survey next pin electrode to be measured, repeat step c, obtain the discharge current value of the pin electrode；
E, the pin electrode to be measured of any combination is selected, the pin electrode to be measured in being combined using insulating bar with this connects each
The movable contact of selecting switch is closed on respective second electric connection, each pin electrode in the combination is connected by microampere meter
High voltage power supply, now the registration of microampere meter is the summation of the discharge current value of all pin electrodes in the combination；
F, measurement finishes, and closes high voltage power supply, removes the earthing or grounding means of transfer roller, and measurement terminates.
The inventive method realizes in high pressure electrostatic separator the discharge current of every pin electrode or any a plurality of needles electrode
Discharge current summation accurate measurement, between electric field change or each pin electrode electric field that single pin electrode can be accurately reflected
Influence each other.The inventive method is simple to operate, it is easy to accomplish, it is Electric Field Distribution of the researcher to the pin electrode of different structure
Research provide conveniently, in the design of pin-roll shape electrostatic separator, for determine pin electrode length, position and quantity pair
The influence of Electric Field Distribution provides accurate foundation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
In figure：1st, high voltage power supply, the 2, first power line, 3, second source line, 4, microampere meter, 5, transfer roller, 6, hack lever, 7, branch
Spacer plate, 8, pin electrode, 9, selecting switch, 10, isolation mesa, 11, switch-board, 12, pin-roll shape electric discharge device.
Embodiment
Embodiment 1：The pin electrode current measuring device of high pressure electrostatic separator.
As shown in Fig. 1 ~ Fig. 2, apparatus of the present invention are mainly discharged by high voltage power supply 1, microampere meter 4, switch-board 11 and pin-roll shape
The grade of device 12 part forms.
Two-way power line in parallel, respectively the first power line 2 and second source are drawn in the output termination of high voltage power supply 1
Line 3, microampere meter 4 is serially connected in one end of the close high voltage power supply 1 of second source line 3, for measuring the current value on pin electrode 8.
Switch-board 11 is made up of some selecting switch 9, and each selecting switch 9 includes the first electric connection, the second electric connection
And movable contact, wherein the first electric connection connects with the first power line 2, the second electric connection connects with second source line 3, movable contact with
One mode is selected to keep electrically connecting with the first electric connection or the second electric connection.Surface of shell and each selecting switch in switch-board 11
Position indicates digital number respectively corresponding to 9, is easy to identification to operate.For safety, switch-board 11 and microampere meter 4 are arranged at
In isolation mesa 10（Such as Fig. 1）.
Pin-roll shape electric discharge device 12 includes support, transfer roller 5 and some pin electrodes 8, and support be arranged in parallel exhausted including two pieces
Edge supporting baffle 7 and the hack lever 6 being erected between two pieces of tops of supporting baffle 7, transfer roller 5 are horizontally supported at two pieces of branch by roll shaft
Between spacer plate 7, and its roll shaft is parallel with hack lever 6.Row's spliced eye is offered on hack lever 6, each pin electrode 8 is plugged in one
In individual spliced eye, and the roll shaft of transfer roller 5 is perpendicularly oriented to, the top of every pin electrode is dynamic by wire and selecting switch 9
Contact electrically connects.The arrangement width of pin electrode should be less than the roll surface length of transfer roller, to ensure that each pin electrode can be with transfer roller
Effect produces discharge current.Each pin electrode 8 is separate, does not contact each other, in order to measure putting on single pin electrode 8
Electric current value.Digital number is indicated respectively in the surface of shell of pin-roll shape electric discharge device 12 position corresponding with each pin electrode,
The digital number of each pin electrode is identical with the digital number of coupled selecting switch, in order to measure the progress of operation.
When selecting switch 9 is closed on the first electric connection on the first power line 2, pin electrode 8 connects with high voltage power supply 1
It is logical, and acted on transfer roller 5, produce discharge current.When on the second electric connection that selecting switch 9 is closed on second source line 3,
Pin electrode 8 is connected after microampere meter 4 with high voltage power supply 1, and acted on transfer roller 5, produces discharge current, now microampere meter 4
Registration is the discharge current value on pin electrode 8.On the second electric connection that only a switch 9 is closed on second source line 3
When, what is measured is the discharge current value on single pin electrode 8, and multiple switch 9 is respectively closed into respective second electric connection
When upper, what is measured is the summation of the discharge current value on this plurality of needles electrode 8.
Embodiment 2：The pin electrode current measuring method of high pressure electrostatic separator.
The inventive method comprises the following steps：
The pin electrode current measuring device of high pressure electrostatic separator described in embodiment 1 is set a,.
B, the movable contact of each selecting switch 9 in switch-board 11 is respectively closed on respective first electric connection, makes pin-roller
All pin electrodes 8 in type electric discharge device 12 switch on power, and then, open high voltage power supply 1, all pin electrodes 8 are for below
Transfer roller 5 produce electric discharge phenomena.
C, a certain pin electrode 8 to be measured is selected, using insulating bar by the selecting switch 9 to connect with pin electrode 8 to be measured
Movable contact is closed on the second corresponding electric connection, the pin electrode 8 is switched to after microampere meter 4 in high voltage power supply 1,
Now the registration of microampere meter 4 is the discharge current value of the single pin electrode 8.
The selecting switch 9 to connect with chaining pin electrode 8 is closed into to connect with the first power line 2 using insulating bar d,
On one electric connection, then select and survey next pin electrode 8 to be measured, repeat step c, obtain the discharge current value of the single pin electrode 8.With
This analogizes, and can measure the discharge current value of any single pin electrode respectively.
E, the pin electrode to be measured 8 of selection any combination, each pin electrode 8 to be measured in being combined using insulating bar with this
The movable contact of each selecting switch 9 to connect closes on respective second electric connection respectively, each pin electrode 8 in the combination is passed through
Cross after microampere meter 4 and be switched to again in high voltage power supply 1, now the registration of microampere meter 4 is the electric discharge of all pin electrodes 8 in the combination
Current value summation.The measured each group discharge current value of analysis, you can obtain the electric discharge distribution situation of pin-roll shape separator and each
The relation that influences each other between pin electrode electric field.
F, measurement finishes, and closes high voltage power supply 1, removes the earthing or grounding means of transfer roller 5, and measurement terminates.
Claims (3)
1. a kind of pin electrode current measuring device of high pressure electrostatic separator, it is characterized in that, including high voltage power supply, microampere meter, open
Close disk and pin-roll shape electric discharge device；
Drawing in the output termination of the high voltage power supply has two-way power line, is divided into the first power line and second source line, described micro-
Peace table is serially connected on second source line；
The switch-board forms a switch set body by some selecting switch, and each selecting switch includes the first electricity
Joint, the second electric connection and movable contact；Wherein, first electric connection connects with first power line, and second electricity connects
Head connects with the second source line, and the movable contact is kept in a manner of selecting one with first electric connection or the second electric connection
Electrical connection；
The pin-roll shape electric discharge device includes support, transfer roller and some pin electrodes；The transfer roller is horizontally supported at institute by roll shaft
State on support, earthing or grounding means is provided with the transfer roller；It is provided with the support above the transfer roller and the transfer roller
The parallel insulation hack lever of roll shaft, the pin electrode is fixed in a manner of single on the insulation hack lever, in the insulating frame
Some spliced eyes are provided with bar, the every pin electrode is plugged in a spliced eye, and each pin electrode is separate, described in every
Pin electrode is perpendicularly oriented to the roll shaft of the transfer roller, and the every pin electrode electrically connects with the movable contact of a selecting switch.
2. the pin electrode current measuring device of high pressure electrostatic separator according to claim 1, it is characterized in that, the pin electricity
The arrangement width of pole is less than the roll surface length of the transfer roller.
3. a kind of pin electrode current measuring method of high pressure electrostatic separator, it is characterized in that, comprise the following steps：
The pin electrode current measuring device of high pressure electrostatic separator described in a set of claim 1 is set a,；
B, the movable contact of each selecting switch in switch-board is respectively closed on respective first electric connection, makes pin-roll shape electric discharge
All pin electrodes in device switch on power, and then, open high voltage power supply, all pin electrodes are produced for transfer roller below and put
Electrical phenomena；
C, a certain pin electrode to be measured is selected, is closed the movable contact of the selecting switch to connect with the pin electrode to be measured using insulating bar
Onto its second electric connection, the pin electrode is set to connect high voltage power supply again after the microampere meter connected on the power line, it is now micro-
The registration of peace table is the discharge current value of the pin electrode；
D, the movable contact with the selecting switch that chaining pin electrode connects is closed on its first electric connection using insulating bar, then selected
Next pin electrode to be measured is surveyed, repeat step c, obtains the discharge current value of the pin electrode；
E, the pin electrode to be measured of any combination, each selection that the pin electrode to be measured in being combined using insulating bar with this is connected are selected
The movable contact of switch is closed on respective second electric connection, makes each pin electrode in the combination by microampere meter connection high pressure
Power supply, now the registration of microampere meter is the summation of the discharge current value of all pin electrodes in the combination；
F, measurement finishes, and closes high voltage power supply, removes the earthing or grounding means of transfer roller, and measurement terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912507.9A CN105478242B (en) | 2015-12-11 | 2015-12-11 | Pin electrode current measuring device and measuring method in high pressure electrostatic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912507.9A CN105478242B (en) | 2015-12-11 | 2015-12-11 | Pin electrode current measuring device and measuring method in high pressure electrostatic separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105478242A CN105478242A (en) | 2016-04-13 |
| CN105478242B true CN105478242B (en) | 2018-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510912507.9A Active CN105478242B (en) | 2015-12-11 | 2015-12-11 | Pin electrode current measuring device and measuring method in high pressure electrostatic separator |
Country Status (1)
| Country | Link |
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| CN (1) | CN105478242B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093537B (en) * | 2016-07-26 | 2019-02-15 | 河北大学 | High pressure electrostatic separator roll surface real-time current density measuring equipment and method |
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| SU939090A1 (en) * | 1980-08-13 | 1982-06-30 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Механической Обработки Полезных Ископаемых "Механобр" | Corona discharge electrostatic separator |
| CN1654124A (en) * | 2005-02-03 | 2005-08-17 | 上海交通大学 | Breaking and high tension electrostatic separating method for worn-out printed circuit board |
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| CN103513119A (en) * | 2013-10-18 | 2014-01-15 | 河北大学 | Method and device for measuring charge density distribution on surface of rotating roll of electrostatic sorting machine |
| DE202012010543U1 (en) * | 2012-11-06 | 2014-02-14 | Claudius Peters Projects Gmbh | Roller separator for ash separation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3308429B2 (en) * | 1995-06-26 | 2002-07-29 | 日立造船株式会社 | Electrostatic sorting device |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU939090A1 (en) * | 1980-08-13 | 1982-06-30 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Механической Обработки Полезных Ископаемых "Механобр" | Corona discharge electrostatic separator |
| CN1654124A (en) * | 2005-02-03 | 2005-08-17 | 上海交通大学 | Breaking and high tension electrostatic separating method for worn-out printed circuit board |
| CN1834674A (en) * | 2005-03-18 | 2006-09-20 | 安捷伦科技有限公司 | Method and apparatus for a reliability testing |
| DE202012010543U1 (en) * | 2012-11-06 | 2014-02-14 | Claudius Peters Projects Gmbh | Roller separator for ash separation |
| CN103513119A (en) * | 2013-10-18 | 2014-01-15 | 河北大学 | Method and device for measuring charge density distribution on surface of rotating roll of electrostatic sorting machine |
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| "Characterization of Wire Corona Electrodes at Various Discharge Gaps in Electrostatic Separation Processes";Alexandru Iuga 等;《Industry Application Conference》;20041231;第3卷;正文第1968页，附图3 * |
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Effective date of registration: 20180111 Address after: 071002, Hebei, No. 54 East Road, Hebei University, 180 Applicant after: Hebei University Address before: 071002 electrostatic Research Institute, School of physical science and technology, Hebei University, 54 East 180 Road, Hebei, Baoding Applicant before: Zhang Zisheng Applicant before: Hebei University |
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