CN207308072U - It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device - Google Patents
It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device Download PDFInfo
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- CN207308072U CN207308072U CN201721166446.7U CN201721166446U CN207308072U CN 207308072 U CN207308072 U CN 207308072U CN 201721166446 U CN201721166446 U CN 201721166446U CN 207308072 U CN207308072 U CN 207308072U
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Abstract
It is used to dry method grinding and select the electrostatic during powder actively to neutralize device the utility model discloses a kind of, it is characterised in that：Include at least：Electrostatic transmitter unit, electrostatic transmitter unit include N platform electrostatic generators；1≤N≤4；The peak impulse voltage of every electrostatic generator is 0~60KV；Every electrostatic generator includes four SLCC output ports；Electrostatic Detection Unit；Control unit；The electrostatic transmitter unit is electrically connected by D Sub ports with control unit；Electrostatic Detection Unit tests the field strength polarity of electrostatic entrained by grinding material, according to the principle that the polarity of tested material, identical charges repel each other for foundation, selects the polarity of electrostatic generator；Control unit controls the working status of every electrostatic generator.By using above-mentioned technical proposal, the patent actively neutralize eliminate due to caused by electrostatic grinding material the adhesion on metal grinding media surface, the liner plate of grinding machine, powder classifier blade surface, parcel the problems such as.
Description
Technical field
It the utility model is related to dry powder device and destatic technical field, be used for dry method grinding more particularly to one kind and select powder
During electrostatic actively neutralize device.
Background technology
Due to dry method grinding and to select powder carried out in the environment of relatively dry, by grinding and the material of sorting due to mutual
Between be contacting and separating, and with grinding and selecting being contacting and separating for powder equipment, the electrostatic of larger intensity can be produced.Electrostatic it is big
It is small related with speed that is contacting and separate, by taking cement grinding as an example, the ceiling voltage of electrostatic entrained by the cement powder of grinding machine outlet
Reachable -5kV.
Due to carrying high-tension electrostatic by the material of grinding, contacted since electrostatic force material can be adhered to
Grinding and select on powder equipment.It is adhered to grinding and selects the material on powder equipment to influence whether grinding and select the positive production fortune of powder equipment
OK, mill efficiency can be caused to decline, grinding efficiency reduce the problems such as.
Due to grinding and powder equipment generally use metal is selected to make, as long as it is believed that by grinding and selecting powder equipment good
Good ground connection can eliminate the electrostatic entrained by it.But ground connection can not solve material sticks in the grinding and choosing contacted
The problem of on powder equipment, be primarily due to by grinding or to select the material of powder be mostly inorganic non-metallic material, and these materials are
Insulator (non-conductor), when using metal make grinding and select powder equipment be grounded after, the electrostatic entrained by it is guided, its electricity
Buckling is 0V, however by grinding or the material for selecting powder it is electrically charged will not be guided, still carry high voltage electrostatic.
Electrostatic entrained by these materials, which can polarize rapidly, grinding and selects powder equipment, still can firmly adsorb on these hardwares,
When metal make grinding and select gather sufficiently high voltage on powder equipment after, its static electrification is guided again, this process
It is a cyclic process repeatedly.
Utility model content
The technical problems to be solved in the utility model is：There is provided that a kind of control accuracy is high to be used for dry method grinding and select powder mistake
Electrostatic in journey actively neutralizes device；The patent is actively neutralized to eliminate caused by electrostatic grinding material in metal grinding
The problems such as dielectric surface, the liner plate of grinding machine, the adhesion on powder classifier blade surface, parcel.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：
It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device, include at least：
Electrostatic transmitter unit, the electrostatic transmitter unit include N platform electrostatic generators；1≤N≤4；Every electrostatic generator
Peak impulse voltage be 0~60KV；Every electrostatic generator includes four SLCC output ports；
Electrostatic Detection Unit；
Control unit；The electrostatic transmitter unit is electrically connected by D-Sub ports with control unit；
The Electrostatic Detection Unit tests the field strength polarity of electrostatic entrained by grinding material, according to test result according to
According to the principle that identical charges repel each other, the polarity of electrostatic generator is selected；Described control unit controls the work shape of every electrostatic generator
State.
Preferably, the utility model additionally uses following technical solution：
Further：The Electrostatic Detection Unit is contact-type electrostatic instrument.
Further：The Electrostatic Detection Unit includes：Electrostatic tester host, the probe equipped with conductive plate, metallic conduction
Rod.
Further：Described control unit is PLC controller.
Further：Described control unit includes breaker, intermediate relay, CPU, AI module, AO modules, touch-screen, PPI
Cable, signal isolator, terminal and portable protective shell.
The utility model has the advantages and positive effects of：
By using above-mentioned technical proposal,
In this patent, it is to utilize the electrostatic principle that identical charges repel each other that electrostatic, which actively neutralizes device, passes through what is made in metal
Grinding and select the opposite unipolar electric current for leading on powder equipment and carrying with itself, make its carry with neutralize before opposite polarity
Electric charge, the polarity of the electrostatic of its band can be with being adhered to grinding and selecting the material on powder equipment identical originally, so original adhesion
In grinding and select the material on powder equipment to depart from grinding due to repulsive force caused by the electrostatic of identical polar and select powder
Equipment, being neutralized by the active of interruption, which can prevent the electrostatic entrained by material from polarizing rapidly, grinding and selects powder equipment to occur
Absorption repeatedly.Neutralized by active to eliminate caused by electrostatic grinding material in metal grinding media surface, grinding machine
Liner plate, the adhesion on powder classifier blade surface, parcel the problems such as.
Brief description of the drawings
Fig. 1 is the neutralization schematic diagram of the preferred embodiment in the utility model；
Fig. 2 is the front view of the preferred embodiment in the utility model；
Fig. 3 is the right view of the preferred embodiment in the utility model；
Fig. 4 is the top view of the preferred embodiment in the utility model；
Fig. 5 is the control unit circuit diagram of the preferred embodiment in the utility model；
Wherein：1st, control unit；2nd, the first cable；3rd, electrostatic transmitter unit；4th, the second cable；5th, stent；6th, nut；7、
Tetrafluoroethene plate；8th, tetrafluoroethene casing；9th, electric discharge termination.
Embodiment
For that can further appreciate that the utility model content of the utility model, feature and effect, the following examples are hereby given, and
Attached drawing is coordinated to describe in detail as follows：
Please refer to Fig.1 to Fig. 5, it is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device, including：
Electrostatic transmitter unit, the electrostatic transmitter unit include N platform electrostatic generators；, there is both positive and negative polarity in 1≤N≤4
It is selective；The peak impulse voltage of every electrostatic generator is 0~60KV；Every electrostatic generator includes four SLCC and exports
Port；
Electrostatic Detection Unit；Including:Electrostatic tester host, the probe equipped with conductive plate, metallic conduction plate and annex etc.；
Control unit；The electrostatic transmitter unit is electrically connected by D-Sub ports with control unit；
The Electrostatic Detection Unit tests the field strength polarity of electrostatic entrained by grinding material, and test result is fed back
To control unit；Described control unit controls the working status of every electrostatic generator.
Preferably, the Electrostatic Detection Unit is contact-type electrostatic instrument.
Described control unit is PLC controller.
Described control unit includes breaker, intermediate relay, CPU, AI module, AO modules, touch-screen, PPI cables, letter
Number isolator, terminal and portable protective shell.
The electric current that this patent produces pulse using the electrostatic generator of unipolar high voltage, low current goes actively to neutralize
Reach the electrostatic of the opposed polarity of electrostatic equilibrium, so as to destroy the state of original electrostatic equilibrium, reach elimination electrostatic image force and make
Into adsorption phenomena so that eliminate grinding and select powder process paste ball, paste grate plate, paste blade the problems such as, solve dry method grinding
During, metal grinding media is ground material parcel, is adhered to milling equipment caused by static reason liner plate, leaf
Piece surface, so that the problem of causing mill efficiency, grinding efficiency to reduce；
Above-mentioned electrostatic, which actively neutralizes device, mainly includes electrostatic generating unit, Electrostatic Detection Unit and control unit；Using
High-pressure electrostatic generator is as electrostatic transmitter unit, with PLC controller unit in order to control, according to being discharged equipment (ball mill, choosing
Powder machine) actual operation parameters (such as ball mill:1) yield 2) product specific surface area；Powder concentrator：1) rotating speed 2) feed back amount) come
The parameter (number of units of operation, the voltage of output, the time interval of electric discharge) of electrostatic transmitter unit is adjusted, to realize in dry way process
The function that electrostatic actively neutralizes, can substitute the effect of chemical grinding aid completely or partially, make dry method grinding system output increased 5%
~10%, economize on electricity 4%~8%.
Electrostatic generating unit is made of 2~4 unipolar HV generators, and output voltage is adjustable, high-pressure electrostatic
The peak impulse voltage of generator can be adjustable between 0~60kV, unipolar 0-2.5mA electric currents of output, polarity according to should
Selected with institute's band polarity of live material, there is both positive and negative polarity, remote control uses the D-Sub ports of 25 pins, Mei Gejing
Electric generator has the output port of 4 SLCC types, and output port is connected by cable with electric discharge termination, and electric discharge termination bottom plate leads to
Cross bar shaped bolt hole to be fixed on supporting rack, insulated between stent and electric discharge termination bottom plate using polyfluortetraethylene plate clip type,
Electric discharge termination is not contacted with being discharged between equipment (ball mill barrel, powder concentrator rotation axis), and spacing passes through the termination bottom plate that discharges
Upper bar shaped bolt hole is adjusted；
Electrostatic generating unit is connected by D-Sub ports with control unit, and most 4 electrostatic can be achieved at the same time in control unit
Generator interruption electric discharge, it can be achieved that circulation electric discharge, stop, can remote setting electric discharge when interval time, can remote setting electrostatic
The voltage of generator；Control unit is by breaker, intermediate relay, CPU, AI module, AO modules, touch-screen, PPI cables, letter
Number isolator, terminal, portable protective shell composition；According to being discharged the actual operation parameters of equipment (ball mill, powder concentrator) (such as
Ball mill:1) yield 2) product specific surface area；Powder concentrator：1) rotating speed 2) feed back amount) come adjust electric discharge when interval time and
The discharge voltage of electrostatic generator.
The Electrostatic Detection Unit includes：Electrostatic tester host, the probe equipped with conductive plate, metal conductive bar.
Control unit 1 is connected by the first cable 2 with the D-Sub ports of electrostatic transmitter unit 3, the control of control unit 1
Schematic diagram is shown in Fig. 5；Electrostatic transmitter unit 3 is made of four HV generators, and electrostatic transmitter unit 3 passes through the second cable 4
It is connected with the electric discharge termination 9 being fixed on stent 5, by the way that the cable metal line for peelling off crust is wrapped on bolt, Ran Houtong
Cross after gasket and nut 6 compress and be fixed on the outside of tetrafluoroethene plate 7；Bolt hole is provided with the base of electric discharge termination 9, passes through spiral shell
Bolt and accessory, placing two blocks of 4mm tetrafluoroethene plates 7 in 5 top fixation steel plate both sides of stent, and 6 put on tetrafluoro second on shank of bolt
Alkene casing 8,8 length of tetrafluoroethene casing be equal to two blocks of tetrafluoroethene plates 7 thickness and 5 top fixation steel plate thickness of stent it
With；The bar shaped spiral shell of formed objects is provided with 5 top fixation steel plate of stent, two blocks of 4mm tetrafluoroethene plates 7 and electric discharge 9 base of termination
Keyhole, covers and is placed in 5 two blocks of top fixation steel plate both sides tetrafluoroethene plate 7 of stent by bolt and the accessory handle of tetrafluoroethene casing 8
The top of stent 5, electric discharge termination 9 and the spacing for being discharged equipment are fixed on the outside of tetrafluoroethene plate 7 electric discharge 9 base of termination is placed in
Fine setting can be realized by the position of bolt in bar shaped bolt hole.Coarse adjustment is realized by mobile 5 backing positions.
The adjusting of parameters such as (number of units of operation, the voltage of output, the time intervals discharged) according to electrostatic transmitter unit 3
By actual operation parameters (such as ball mill for being discharged equipment (ball mill, powder concentrator):1) yield 2) product specific surface area；
Powder concentrator：1) rotating speed 2) feed back amount) feedback control.
The embodiment of the utility model is described in detail above, but the content is only the preferable of the utility model
Embodiment, it is impossible to be construed as limiting the scope of the utility model.It is made according to the scope of application of this utility model equal
Deng change and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of be used for dry method grinding and select the electrostatic during powder actively to neutralize device, it is characterised in that：Include at least：
Electrostatic transmitter unit, the electrostatic transmitter unit include N platform electrostatic generators；1≤N≤4；The arteries and veins of every electrostatic generator
It is 0~60KV to rush crest voltage；Every electrostatic generator includes four SLCC output ports；
Electrostatic Detection Unit；
Control unit；The electrostatic transmitter unit is electrically connected by D-Sub ports with control unit；
The Electrostatic Detection Unit tests the field strength polarity of electrostatic entrained by grinding material, according to test result according to same
The principle that property is repelled each other, selects the polarity of electrostatic generator；Described control unit controls the working status of every electrostatic generator.
2. according to claim 1 be used for dry method grinding and select the electrostatic during powder actively to neutralize device, its feature exists
In：The Electrostatic Detection Unit is contact-type electrostatic instrument.
3. according to claim 1 be used for dry method grinding and select the electrostatic during powder actively to neutralize device, its feature exists
In：The Electrostatic Detection Unit includes：Electrostatic tester host, the probe equipped with conductive plate, metal conductive bar.
4. according to claim 1 be used for dry method grinding and select the electrostatic during powder actively to neutralize device, its feature exists
In：Described control unit is PLC controller.
5. according to claim 1 be used for dry method grinding and select the electrostatic during powder actively to neutralize device, its feature exists
In：Described control unit include breaker, intermediate relay, CPU, AI module, AO modules, touch-screen, PPI cables, signal every
From device, terminal and portable protective shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166446.7U CN207308072U (en) | 2017-09-12 | 2017-09-12 | It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166446.7U CN207308072U (en) | 2017-09-12 | 2017-09-12 | It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device |
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| Publication Number | Publication Date |
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| CN207308072U true CN207308072U (en) | 2018-05-04 |
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| CN201721166446.7U Active CN207308072U (en) | 2017-09-12 | 2017-09-12 | It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413508A (en) * | 2017-09-12 | 2017-12-01 | 天津水泥工业设计研究院有限公司 | It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device |
-
2017
- 2017-09-12 CN CN201721166446.7U patent/CN207308072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413508A (en) * | 2017-09-12 | 2017-12-01 | 天津水泥工业设计研究院有限公司 | It is a kind of to be used for dry method grinding and select the electrostatic during powder actively to neutralize device |
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