CN104984825B - Microfine moist material friction electrical selection method and device - Google Patents
Microfine moist material friction electrical selection method and device Download PDFInfo
- Publication number
- CN104984825B CN104984825B CN201510423980.0A CN201510423980A CN104984825B CN 104984825 B CN104984825 B CN 104984825B CN 201510423980 A CN201510423980 A CN 201510423980A CN 104984825 B CN104984825 B CN 104984825B
- Authority
- CN
- China
- Prior art keywords
- friction
- drier
- sieve
- microfine
- control valve
- 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.)
- Expired - Fee Related
Links
Abstract
The present invention relates to microfine moist material friction electrical selection method and device, microfine moist material enters the drying that sieve particle making contact of the drier with being located therein realizes material, material makes material particles broken scattered with the friction-bar collision friction in drier simultaneously, opposite polarity electric charge on the material web of different component；Material after drying and being charged by friction enters in high-voltage electrostatic field, realizes the separation of different in nature powered material；When the moisture-saturated of molecular sieve, sieve particle is regenerated, the present invention uses negative-pressure suction method, contribute to the mixing of microfine moist material and disperse；Mole sieve drier handles microfine moist material, by molecular sieve adsorption surface of material moisture, realizes the drying of moist material, improves particle friction collision effect by friction-bar, realizes and be efficiently charged by friction.
Description
Technical field
The present invention relates to microfine moist material friction electrical selection method and device, belong to Mineral Processing Engineering field, mainly
For the multicomponent physical separation of microfine moist material, the fine granule material friction electrical selection point under wet environment can be also used for
From.
Background technology
The physical separation of the various ingredients in fine granule material can be realized with friction electrical selection technology.Work as fine granule material
When being deposited in wet environment, the moisture in meeting absorption air causes material to stick or reunite, during air-flow conveying particle,
Intergranular friction collision probability is reduced, and is charged by friction efficiency decline.Meanwhile, after microfine particle surface adsorption moisture, make particle
The dielectric constant increase on surface, particle conductive capability enhancing is easier to occur after particle friction is powered, during interparticle contact
Electric charge transfer or transmission, this will influence the friction electrical selection effect of charged particle.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides microfine moist material friction electrical selection method and dress
Put, during being charged by friction microfine moist material surface moisture can be made to be absorbed by mole sieve drier, reduction particle
Dielectric constant；Simultaneously with sieve particle frictional impact during, make moist material scattered and broken, increase material and molecule
The collision probability of particle is sieved, strengthens tribocharge charging effect, so as to improve the separative efficiency of the friction electrical selection of microfine moist material.
What the present invention was obtained by following technical proposals：A kind of microfine moist material friction electrical selection method, including it is following
Step：
Blower fan work formation negative pressure will mix scattered in the microfine moist material inlet nozzle in stock chest；It is fine
Grain moist material enters the drying that sieve particle making contact of the drier with being located therein realizes material, while material is with doing
Friction-bar collision friction in dry device makes material particles broken scattered, opposite polarity electric charge on the material web of different component；Through
Cross the material after drying and being charged by friction to enter in high-voltage electrostatic field, realize the separation of different in nature powered material；When molecular sieve
Moisture-saturated, regenerates to sieve particle.
A kind of microfine moist material friction electrical selection device, including roots blower, the nozzle that is connected with roots blower, are set
Below nozzle and with the stock chest that is connected in the middle part of nozzle, the high-pressure electrostatic for separating charged material separates field, is arranged on height
The splicing plate for pressing electrostatic separation square off field, the switch board being controlled to roots blower, regulation high-pressure electrostatic separation field voltage
Pressure regulator, and separate the high voltage power supply that field provides electric energy for high-pressure electrostatic；Also include being located between nozzle and high pressure separation chamber
For mole sieve drier that microfine moist material is dried and is charged by friction, the mole sieve drier is fitted with
The industrial air heater and dehumidification tube of regeneration condition can be provided molecular sieve therein.
The mole sieve drier is the hollow tube-shape of end opening up and down, and drier is interior to be provided with sieve particle and friction
Rod, friction-bar is cylindric, sets multigroup along the length direction of drier, every group of friction-bar is distributed in equilateral triangle, friction-bar
One end insertion mole sieve drier side wall face in, the other end is extended to beyond wall；Drier both ends open is equipped with
The air distribution plate that can prevent sieve particle from fleeing from and not influenceing material to pass through；The import of the mole sieve drier and go out
Mouth is equipped with control valve, passes through branch pipe between inlet control valve and mole sieve drier and connects industrial air heater, control of export
Connected between valve and mole sieve drier on moisture discharge pipe, industrial air heater branch pipe and moisture discharge pipe and be respectively provided with control
Valve, when being dehumidified to material, the inlet control valve and discharge control valve of mole sieve drier are opened, industrial air heater branch pipe
And the control valve on moisture discharge pipe is closed；When being regenerated to molecular sieve, mole sieve drier inlet control valve is closed
And discharge control valve, the control valve on industrial air heater branch pipe and moisture discharge pipe is in open mode.
The mole sieve drier is arranged to two structures in parallel, and two mole sieve driers are all connected with industrial hot blast
Machine, when a drier completes material conveying, is charged by friction, its molecular sieve adsorption material particles moisture, another drier
The regenerative process of sieve particle is completed, two mole sieve driers alternately, realize the continuous drying of material.
The beneficial effects of the invention are as follows：Using negative-pressure suction method, contribute to the mixing of microfine moist material and disperse；
Mole sieve drier handles microfine moist material, by molecular sieve adsorption surface of material moisture, realizes the dry of moist material
It is dry, particle friction collision effect is improved by friction-bar, realizes and is efficiently charged by friction.
Brief description of the drawings
Fig. 1 is the example structure schematic diagram of microfine moist material friction electrical selection device of the present invention.
Fig. 2 is mole sieve drier internal structure schematic diagram.
Fig. 3 is Fig. 2 A to structural representation.
The mark of each part is as follows in accompanying drawing：1. switch board, 2. roots blowers, 3. stock chests, 4. negative-pressure suction pipes, 5. just
Pole plate, 6. rewinding plates, 7. high voltage power supplies, 8. pressure regulators, 9. negative plates, 10. control valve B, 11. control valve D, 12. molecular sieves are done
Dry device B, 13. control valve F, 14. control valve H, 15. control valve G, 16. control valve E, 17. industrial air heaters, 18. molecular sieve dryings
Device A, 19. control valve C, 20. control valve A, 21. nozzles, 22. air distribution plates, 23. friction-bars, 24. molecular sieves.
Embodiment
The microfine moist material friction electrical selection method of the present invention, when the regulation roots blower 2 of switch board 1 is operated, in pipeline
The microfine moist material that the compressed air of flowing is formed in negative-pressure suction pipe 4 in suction function, absorption stock chest 3 enters spray
In mouth 21, microfine moist material be sufficiently mixed under airflow function it is scattered, but be due to material humidity easily stick or reunite, gas
During stream conveying particle, the reduction of intergranular friction collision probability is charged by friction efficiency decline, meanwhile, microfine particle surface
After adsorption moisture, making the dielectric constant of particle surface increases, the enhancing of particle conductive capability, and after particle friction is powered, particle is indirect
It is easier occur electric charge transfer or transmission during touching, this will influence the friction electrical selection effect of charged particle；Therefore, the present invention increases
The step of moist material is dried is added, moist material enters point as shown in Figure 1 under the rolling action of gas
In son sieve drier 12, the particle of molecular sieve 24 and moist material making contact adsorb the moisture on its surface, obtain material particles
Dry, reduce dielectric constant, make the reduction of its conductive capability, charge transfer or transfer are not likely to produce after material particles are powered；Together
When, friction-bar 23 makes material particles be broken and disperse, and improves particle friction collision probability, and enhancing material particle friction is powered
Effect；Dry powered material enters through what the control of pressure regulator 8 high voltage power supply 7 was formed between positive plate 5 and negative plate 9
In high-voltage electrostatic field, the material particles with opposite polarity electric charge are adsorbed by opposite polarity electrode plate, and not powered material is therefrom
Between fall and collected by rewinding plate 6, realize the friction electrical selection of microfine moist material.
The microfine moist material friction electrical selection device of the present invention, as shown in accompanying drawing 1,2 and 3, the device includes Roots's wind
Machine 1, nozzle 21, stock chest 3, high-pressure electrostatic separation field, splicing plate 6, switch board 1, pressure regulator 8, high voltage power supply 7 and molecular sieve are dry
Dry device 18；Roots blower 1 is connected with switch board 1, and the air outlet of roots blower 1 connects one end of nozzle 21, nozzle by pipeline
21 other end separates field by be linked in sequence mole sieve drier 18,12 and high-pressure electrostatic of pipeline, and the middle part of nozzle 21 is vertical
A negative-pressure suction pipe 4 is connected, the bottom of negative-pressure suction pipe 4 is connected with stock chest 3；Above and below the mole sieve drier 18,12 is
The particle of molecular sieve 24 and friction-bar 23 are provided with the hollow tube-shape of end opening, drier, friction-bar 23 is cylindric, along drier
Length direction set multigroup, every group of friction-bar 23 is distributed in equilateral triangle, and mole sieve drier is inserted in one end of friction-bar 23
18th, in 12 side wall face, the other end is extended to beyond wall；Drier both ends open, which is equipped with, can prevent 24, molecular sieve
The air distribution plate 22 that material particles are passed through is fled from and do not influenceed to grain；The import of the mole sieve drier 18,12 is provided with control
Valve A20, B10, outlet are provided with control valve E16, F13, between inlet control valve A20, B10 and mole sieve drier 18,12 respectively
Industrial air heater 17 is connected by branch pipe, moisture is connected respectively between discharge control valve E16, F13 and mole sieve drier 18,12
Set between discharge pipe, the mole sieve drier 18,12 of industrial air heater 18 and control is set on control valve C19, D11, moisture discharge pipe
Valve G15, H14 processed；The high-voltage electrostatic field uses parallel plate electrode structure, and one of is positive plate 5, and another piece is negative plate 9,
Parallel plate electrode is connected with pressure regulator 8 and high voltage power supply 7, and powered material is adsorbed by two-plate respectively, and not powered material is by rewinding plate 6
Collect.
When being dehumidified to material, the inlet control valve A20 and discharge control valve E16 of mole sieve drier 18 are beaten
Open, by the inlet control valve B10 of mole sieve drier 12, discharge control valve F13 and industrial air heater control valve C19, D11 and
Control valve G15, H14 on moisture discharge pipe is closed, and material is dried and is charged by friction by mole sieve drier 18；If
The moisture that molecular sieve 24 in mole sieve drier 18 is adsorbed reaches saturation, and closing control valve A20 and E16 open the work of the side
Industry air-heater control valve C19 and moisture discharge pipe control valve G15, hot-air enters mole sieve drier 18 by control valve, right
Molecular sieve 24 is regenerated, and the moist hot air after processing passes through control valve G15 discharge systems, at the same time, opens molecular sieve
Material is dried the inlet control valve B10 and discharge control valve F13 of drier 12, and two mole sieve driers 18 and 12 are handed over
For using, continuous work is enabled the device to；
When mole sieve drier be one group when, can also reach drying and being charged by friction to fine moist material, simply pair
The drying of material and the regeneration of molecular sieve is needed alternately.
Claims (3)
1. a kind of microfine moist material friction electrical selection device, including roots blower, the nozzle that is connected with roots blower, it is arranged on
The stock chest being connected below nozzle and with nozzle middle part, the high-pressure electrostatic for separating charged material separates field, is arranged on high pressure
Electrostatic separation splicing plate square off field, the switch board being controlled to roots blower, regulation high-pressure electrostatic separates the tune of field voltage
Depressor, and separate the high voltage power supply that field provides electric energy for high-pressure electrostatic；It is characterized in that, in addition to separated located at nozzle and high pressure
Between room for mole sieve drier that microfine moist material is dried and is charged by friction, the mole sieve drier
The industrial air heater and dehumidification tube of regeneration condition can be provided molecular sieve therein by being fitted with；The mole sieve drier is upper
Sieve particle and friction-bar are provided with the hollow tube-shape of lower ending opening, drier, friction-bar is cylindric, along the length of drier
Spend direction and set multigroup, every group of friction-bar is distributed in equilateral triangle, the side wall face of mole sieve drier is inserted in one end of friction-bar
In hole, the other end is extended to beyond wall；Drier both ends open, which is equipped with, can prevent sieve particle from fleeing from and not influenceing
The air distribution plate that material is passed through；The import of the mole sieve drier is located at bottom, and outlet is located at top, and inlet and outlet is equal
Provided with control valve, between inlet control valve and mole sieve drier by branch pipe connect industrial air heater, discharge control valve with
Connected between mole sieve drier on moisture discharge pipe, industrial air heater branch pipe and moisture discharge pipe and be respectively provided with control valve, when
When being dehumidified to material, the inlet control valve and discharge control valve of mole sieve drier are opened, industrial air heater branch pipe and
Control valve on moisture discharge pipe is closed；When being regenerated to molecular sieve, close mole sieve drier inlet control valve and go out
Mouth control valve, makes the control valve on industrial air heater branch pipe and moisture discharge pipe be in open mode.
2. a kind of microfine moist material friction electrical selection device according to claim 1, it is characterized in that, the molecular sieve is done
Dry device is arranged to two structures in parallel, and two mole sieve driers are all connected with industrial air heater, when a drier completes thing
When material is conveyed, is charged by friction, its molecular sieve adsorption material particles moisture, another drier completes the regeneration of sieve particle
Journey, two mole sieve driers alternately, realize the continuous drying of material.
3. usage right requires a kind of microfine moist material friction electrical selection side of the device described in 1-2 any one claims
Method, it is characterized in that, comprise the following steps：Blower fan work formation negative pressure, which sucks the microfine moist material in stock chest, sprays
Mixing is scattered in mouth；The sieve particle making contact that microfine moist material enters drier and is located therein realizes material
Dry, while material makes material particles broken scattered with the friction-bar collision friction in drier, on the material web of different component
Opposite polarity electric charge；Material after drying and being charged by friction enters in high-voltage electrostatic field, realizes different in nature powered material
Separation；When the moisture-saturated of molecular sieve, sieve particle is regenerated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423980.0A CN104984825B (en) | 2015-07-20 | 2015-07-20 | Microfine moist material friction electrical selection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423980.0A CN104984825B (en) | 2015-07-20 | 2015-07-20 | Microfine moist material friction electrical selection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104984825A CN104984825A (en) | 2015-10-21 |
| CN104984825B true CN104984825B (en) | 2017-08-25 |
Family
ID=54296788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423980.0A Expired - Fee Related CN104984825B (en) | 2015-07-20 | 2015-07-20 | Microfine moist material friction electrical selection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104984825B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921276B (en) * | 2016-05-23 | 2017-05-17 | 中国矿业大学 | Fine particle rotational flow type electric agglomeration dust removing and collecting device |
| CN107121264B (en) * | 2017-06-20 | 2018-12-25 | 大连理工大学 | A kind of experimental system and experimental method of micron particles and different surfaces collision |
| CN109261362B (en) * | 2018-10-16 | 2020-04-07 | 刘志伟 | Material separation equipment based on electrostatic adsorption |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57171456A (en) * | 1981-04-16 | 1982-10-22 | Fuji Electric Corp Res & Dev Ltd | Apparatus for classifying powder |
| CN1057593A (en) * | 1990-06-20 | 1992-01-08 | 南京化工学院 | H 2-N 2 desiccating method for ammonia synthesis |
| US6074458A (en) * | 1997-02-24 | 2000-06-13 | Separation Technologies, Inc. | Method and apparatus for separation of unburned carbon from flyash |
| JP3512310B2 (en) * | 1997-03-26 | 2004-03-29 | 日立造船株式会社 | Plastic electrostatic sorting method |
| CN2357809Y (en) * | 1998-12-21 | 2000-01-12 | 方致祥 | High-efficiency energy-saving molecular sieve drying machine |
| AU2009256088B2 (en) * | 2008-06-05 | 2016-01-07 | Provectus Engineered Materiels Ltd. | Upgraded combustion ash and its method of production |
| CN101638599A (en) * | 2009-08-11 | 2010-02-03 | 章新喜 | Dry production method of low-dust low-sulfur coal powder |
| CN101664631B (en) * | 2009-09-27 | 2012-01-11 | 西安超滤化工有限责任公司 | Energy-saving separation device for mixed gas molecular sieve |
| CN102641884B (en) * | 2011-02-17 | 2015-04-01 | 章新喜 | A processing method for circulating fluidized bed boiler fly ash |
| CN103084271B (en) * | 2013-01-23 | 2016-01-06 | 浙江大学 | A kind of regulate and control the method for ature of coal in coal gasifying process |
-
2015
- 2015-07-20 CN CN201510423980.0A patent/CN104984825B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104984825A (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104984825B (en) | Microfine moist material friction electrical selection method and device | |
| CN105149099B (en) | It is a kind of to blow friction electrical selection method and device for regurgitating for fly ash charcoal-removing | |
| CN105865171A (en) | Improved anti-blocking tea dryer | |
| CN104941812B (en) | The fine granule material friction electrical selection method and device of lateral negative-pressure adsorption | |
| CN205815928U (en) | Franklinic electricity coalescer | |
| CN205796765U (en) | A kind of dedusting demister for fume desulfurizing tower outlet | |
| CN106731427A (en) | A kind of spray drying FGD process system of sound wave auxiliary | |
| CN206549394U (en) | A kind of spray drying FGD process system of sound wave auxiliary | |
| CN105742978A (en) | Dedusting and dehumidification device for power distribution cabinet | |
| CN203663470U (en) | Traditional Chinese medicine spray dryer | |
| CN205724422U (en) | Distribution box cabinet dedusting dehumidification equipment | |
| CN209204953U (en) | A kind of electrostatic precipitator | |
| CN206944674U (en) | A kind of muf resin preparation facilities of water paint door-plate | |
| CN207694277U (en) | For food, the small-sized centrifugal spray testing machine of Chinese medicine | |
| CN211587062U (en) | Novel wet-type electrostatic precipitator | |
| CN100395500C (en) | Tech. for drying rubber assistant | |
| CN207169338U (en) | A kind of dust arrester based on cyclone dust removal and high-pressure electrostatic | |
| CN2374268Y (en) | High air speed cyclone electrical dusting unit | |
| CN207899587U (en) | A kind of high voltage electrostatic dust precipitator | |
| CN109569237A (en) | A kind of flue gas takes off white demister | |
| CN206911081U (en) | A kind of electric instrument drying device | |
| CN205192182U (en) | Pulsed pneumatic drying system | |
| CN204220292U (en) | Electrostatic precipitator | |
| CN206104525U (en) | Smoke dust pumping structure for laser coding machine | |
| CN205461567U (en) | Desulfurization defogging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20210720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |