CN107983071A - A kind of graphite dust electrostatic precipitation system and method based on biswitch - Google Patents
A kind of graphite dust electrostatic precipitation system and method based on biswitch Download PDFInfo
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- CN107983071A CN107983071A CN201711405078.1A CN201711405078A CN107983071A CN 107983071 A CN107983071 A CN 107983071A CN 201711405078 A CN201711405078 A CN 201711405078A CN 107983071 A CN107983071 A CN 107983071A
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- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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Abstract
The invention discloses a kind of graphite dust electrostatic precipitation system and method based on biswitch, including pass sequentially through scalable suction tube, holding vessel, cyclone dust collectors, aerial cooler, bag filter, roots blower and the electrostatic precipitator of pipeline connection；The roots blower is used for the power for providing graphite powder conveying, the negative pressure air conveying that the graphite powder is produced through roots blower；Switching device one and switching device two are further included, switching device one is arranged on the pipeline for connecting the aerial cooler and bag filter, and switching device two is arranged on the pipeline for connecting the scalable discharge duct and the bag filter bottom；The present invention switches the dedusting in feeding and discharge process by biswitch device, integrates dust pretreatment, cooling, tail gas clean-up, the advanced dust pelletizing system of flexibly control；Design reasonable, scientific structure, characteristics of compact layout, operate easy to maintenance, high dust collection efficiency, fully meet the purification discharge of high pressure, high temperature, high concentrate dust.
Description
Technical field
The present invention relates to the dedusting technology field of tail gas clean-up processing, more particularly to a kind of graphite powder based on biswitch
Dirt electrostatic precipitation system and method.
Background technology
In lithium ion battery negative material workshop, it is necessary to techniques such as the material fragmentations such as graphite, grinding, sortings；By
It is very high to negative material Particle size requirements, it is necessary to the material fragmentations such as graphite, grinding to very in the particularity of ion cathode material lithium
Carefully；Due to equipment and the limitation of technique, substantial amounts of dust is inevitably produced in practical operation, due to these dust particles very
Carefully, it is difficult sedimentation to swim in workshop, not only pollutes workshop condition, and very big prestige is also produced to the health of the operator in workshop
The side of body；Traditional lithium ion battery negative material workshop deduster is mostly cloth-bag type and dry powder Clothoid type, but is directed to very little
Dust particles, it may occur that effusion cloth bag and situation about cannot settle completely, dust removing effects are undesirable.
For above-mentioned smoke characteristic, now more using cleaner to realize dedusting purpose, but this cleaner must expire
The features such as high pressure resistant, effective temperature-reducing of foot, multiple dedusting ensures emission compliance, space is restricted, and the structure that must be taken into account in design is tight
Gather, convenient operating maintenance.
The content of the invention
The defects of in order to overcome the prior art problem, the present invention provides a kind of graphite dust electrostatic based on biswitch to remove
Dirt system and method.
Technical scheme is as follows：
There is provided the graphite dust electrostatic precipitation system based on biswitch, including pass sequentially through pipeline connection scalable suction tube,
Holding vessel, cyclone dust collectors, aerial cooler, bag filter, roots blower and electrostatic precipitator；
The roots blower is used for the power for providing the conveying of pyrographite powder, and the negative pressure that the graphite powder is produced through roots blower is empty
Gas conveys；
The holding vessel includes the scalable discharge duct for being arranged at bottom, and dust excluding hood, institute are equipped with outside the scalable discharge duct
State dust excluding hood and be equipped with opening, the opening is connected with the bag filter by pipeline；
The cyclone dust collectors bottom is connected with bag filter by pipeline；
Switching device one and switching device two are further included, the switching device one is arranged at the connection aerial cooler and cloth bag
On the pipeline of deduster, the switching device two is arranged at the connection scalable discharge duct and the bag filter bottom
On pipeline；
The electrostatic precipitator includes dedusting passage；Electrode in dedusting passage, the material of the electrode is resistance wire
Material；
One inlet channel, the inlet channel include the first inlet channel and the second inlet channel, the first inlet channel and sieve
The connection of thatch wind turbine 5 is used to be passed through the gas containing graphite dust to dedusting passage；Second channel is used to be passed through combustion to dedusting passage
Burn auxiliary gas；
Detection device for the dust concentration for detecting dedusting channel exit；
Power supply unit.
Further, the scalable discharge duct is connected with storage pot bottom, is provided with sluice valve and is used to control graphite powder
Discharging；
Input port and delivery outlet are provided with the top of the storage tank, the input port is connected with the scalable suction tube, described
Delivery outlet is connected with the cyclone dust collectors.
Further, the cyclone dust collectors top is connected with aerial cooler, and bottom is in funnel type, funnel type bottom with
Bag filter is connected by pipeline；
Further, sluice valve is additionally provided with, the sluice valve is arranged between cyclone dust collectors and bag filter, is used for
The pipeline of opening and closing connection cyclone dust collectors and bag filter.
Preferably, the aerial cooler model KLH types.
Further, the bag filter includes upper gas tank, the cylinder being fixedly connected sequentially from top to bottom, the upper gas
Case is connected with the upper surface of cylinder, filter bag is housed in the cylinder, cylinder lower end is provided with flue-dust retainer；
The upper gas tank is equipped with opening, and the opening is connected with roots blower by pipeline；
The flue-dust retainer lower part connects dust leg, and the dust leg is additionally provided with sluice valve with flue-dust retainer lower part, and ash is unloaded for controlling.
Further, be additionally provided with blowing device, the blowing device includes gas bag and pulse valve, the pulse valve with
Connection at the top of upper gas tank；
Preferably, the switching device one and switching device two are electronic dish valve.
The present invention also provides a kind of method for being used for the graphite dust electrostatic precipitation system based on biswitch, including following step
Suddenly：
Graphitiferous powder air-flow described in first step forms dust-containing air stream by holding vessel and through sedimentation, and the graphite powder is through sedimentation
Into holding vessel；
The dust-containing air stream is by passing sequentially through cyclone dust collectors, aerial cooler and bag filter, part dust settling
Into in cyclone dust collectors, the dust-containing air stream enters aerial cooler, realizes temperature decrease, and the temperature decrease to 100 ~
150℃；
Dust-containing air stream of the temperature through rapid drawdown enters bag filter, filters through bag filter, is discharged by roots blower
Into electrostatic precipitator；
The electrostatic precipitator carries out further dedusting to un-cleared graphite dust, is finally completed the processing of graphite dust；
Second step turns off the switch device one, opens switching device two, starts roots blower, and graphite powder warp can in the holding vessel
Flexible discharge duct draws off and produces airborne dust, and dust-contained airflow enters bag filter by pipeline, is filtered through bag filter, by sieve
Thatch wind turbine is discharged into electrostatic precipitator；
The electrostatic precipitator carries out further dedusting to un-cleared graphite dust, be finally completed graphite dust processing and
Collect.
The present invention has the beneficial effect that：
In the present invention, by the switching of open and-shut mode between switching device one and switching device two, complete in feeding and discharge process
Dedusting, integrate dust pretreatment, cooling, tail gas clean-up, flexibly control advanced overhead traveling crane dust pelletizing system；Process step design
Rationally, scientific structure, characteristics of compact layout, easy to maintenance, the high dust collection efficiency of operation, fully meet high pressure, high temperature, high concentrate dust
Purification discharge；
Using electrostatic absorption principle, the graphite dust in compressed air is collected, and graphite dust is adhered to resistance wire
On, by being heated to resistance wire, make to be attached to the graphite on resistance wire and fully burn, and then realize the suction to graphite dust
Dirt, collection and nuisanceless disposal.Graphite dust can thoroughly, effectively be collected and the graphite chip dust after collection is carried out
Nuisanceless disposal.
Brief description of the drawings
Fig. 1 is conveyed for the present embodiment and discharging dust pelletizing system schematic diagram；
Fig. 2 is the present embodiment storing cell schematics；
Fig. 3 is the pre- dedusting of the present embodiment and cooling unit schematic diagram；
Fig. 4 is the present embodiment dust removing units schematic diagram；
Fig. 5 is the present embodiment electrostatic precipitator schematic diagram.
Embodiment
With reference to embodiment, the present invention is further illustrated.Wherein, attached drawing only for illustration,
What is represented is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which the reality of the present invention is better described
Example is applied, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, some known features and its explanation may be omitted and will be understood by attached drawing.
Embodiment 1
A kind of conveying of pyrographite powder, discharging and dust pelletizing system based on biswitch are provided as shown in Fig. 1 ~ 5, in the present embodiment,
Scalable suction tube 8, holding vessel 1, cyclone dust collectors 2, aerial cooler 3, bag-type dust including passing sequentially through pipeline connection
Device 4, roots blower 5 and electrostatic precipitator 9；
Roots blower 5 is used for the power for providing the conveying of pyrographite powder, the negative pressure air that pyrographite powder is produced through roots blower 5
Conveying；
Holding vessel 1 includes the scalable discharge duct 11 for being arranged at bottom, and the scalable outside of discharge duct 11 is equipped with dust excluding hood 110, removes
Dust hood 110 is equipped with opening 112, and opening 112 is connected with bag filter 4 by pipeline；
3 bottom of cyclone dust collectors is connected with bag filter 4 by pipeline；
Switching device 1 and switching device 27 are further included, switching device 1 is arranged at connection aerial cooler 3 and bag-type dust
On the pipeline of device 4, switching device 27 is arranged on the pipeline for connecting scalable discharge duct 11 and 4 bottom of bag filter；
Electrostatic precipitator 9 includes dedusting passage 90；Electrode 91 in dedusting passage 90, the material of electrode 91 is resistance wire
Material；
One inlet channel 92, inlet channel 92 includes the first inlet channel 920 and the second inlet channel 921, the first air inlet are led to
Road 920 is connected with roots blower 5 for being passed through the gas containing graphite dust to dedusting passage 90；Second channel 921 be used for
Dedusting passage 90 is passed through combustion aiding gas；
Detection device 93 for the dust concentration for detecting 90 exit of dedusting passage；
Power supply unit（It is not shown）.
The present invention selects resistance wire material, and as electrode, it can be in high pressure（Mesohigh of the present invention refers to the electricity of 20kV ~ 800kV
Pressure）The lower effect for playing electrostatic precipitation, electrode surface is adsorbed in by graphite dust；When the graphite dust being adsorbed on electrode reaches
After a certain amount of, then make electrode in low pressure（Mesolow of the present invention refers to the voltage of 110V ~ 380V）The heat effect of resistance wire is played, is made
The graphite burning being attached on electrode, produces carbon dioxide, so as to achieve the purpose that graphite dust nuisanceless disposal.
Scalable discharge duct 11 is connected with 1 bottom of holding vessel, is provided with sluice valve 12 and is used to control graphite powder discharging；
The top of holding vessel 1 is provided with input port 101 and delivery outlet 102, and input port 101 is connected with scalable suction tube 8, delivery outlet
102 connect with cyclone dust collectors 2.
2 top of cyclone dust collectors is connected with aerial cooler 3, and bottom is in funnel type, and bottom passes through pipe with bag filter 4
Road connects；
Sluice valve 202 is additionally provided with, sluice valve 202 is arranged between cyclone dust collectors 3 and bag filter 4, for the company of opening and closing
The pipeline of logical cyclone dust collectors 3 and bag filter 4.
Wherein, aerial cooler model KLH types.
Bag filter 4 includes upper gas tank 400, the cylinder 401 being fixedly connected sequentially from top to bottom, upper gas tank 400 and cylinder
The upper surface connection of body 401, cylinder 401 is interior to be equipped with filter bag, and 401 lower end of cylinder is provided with flue-dust retainer 403；
Upper gas tank 400 is equipped with opening 408, and opening 408 is connected with roots blower 5 by pipeline；
403 lower part of flue-dust retainer connects dust leg 406, and dust leg 406 is additionally provided with sluice valve 407 with 403 lower part of flue-dust retainer, for controlling
System unloads ash.
Blowing device 402 is additionally provided with, blowing device 402 includes gas bag 404 and pulse valve 405, pulse valve 405 and upper gas
The connection of the top of case 400；
Wherein, switching device 1 and switching device 27 are electronic dish valve.
A kind of pyrographite powder conveying based on biswitch provided in this embodiment, discharging and dust pelletizing system flow such as
Under：
In graphite powder course of conveying, switching device 1 is opened, turns off the switch device 27, starts roots blower 5,
Graphitiferous powder air-flow forms dust-containing air stream by holding vessel 1 and through sedimentation, and graphite powder is through settling into holding vessel 1；
Dust-containing air stream by passing sequentially through cyclone dust collectors 2, aerial cooler 3 and bag filter 4, part dust settling into
Enter in cyclone dust collectors 2, dust-containing air stream enters aerial cooler 3, realizes temperature decrease, temperature decrease is to 100 ~ 150 DEG C；
Dust-containing air stream of the temperature through rapid drawdown enters bag filter 4, is filtered through bag filter 4, pure air is formed, by sieve
Thatch wind turbine 5 is discharged into electrostatic precipitator 9；
Electrostatic precipitator 9 further collects un-cleared graphite dust, is finally completed processing and the receipts of graphite dust
Collection；
In discharge process, device 1 is turned off the switch, open switching device 27, start roots blower 5, graphite powder in holding vessel 1
Drawn off through scalable discharge duct 11 and produce airborne dust, dust-contained airflow enters bag filter 4 by pipeline, through bag filter 4
Filtering, forms pure air, electrostatic precipitator is discharged into by roots blower 5；
Electrostatic precipitator 9 further collects un-cleared graphite dust, is finally completed processing and the receipts of graphite dust
Collection.
Obviously, above-described embodiment is only intended to clearly illustrate technical scheme example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
It can make other variations or changes in different ways.Any modification for being made within the spirit and principles of the invention, etc.
With replacement and improvement etc., should be included within the protection of the claims in the present invention.
Claims (9)
1. a kind of graphite dust electrostatic precipitation system based on biswitch, it is characterised in that including passing sequentially through pipeline connection
Scalable suction tube, holding vessel, cyclone dust collectors, aerial cooler, bag filter, roots blower and electrostatic precipitator；
The roots blower is used for the power for providing the conveying of pyrographite powder, and the pyrographite powder produces negative through roots blower
Press air conveying；
The holding vessel includes the scalable discharge duct for being arranged at bottom, and dust excluding hood, institute are equipped with outside the scalable discharge duct
State dust excluding hood and be equipped with opening, the opening is connected with the bag filter by pipeline；
The cyclone dust collectors bottom is connected with bag filter by pipeline；
Switching device one and switching device two are further included, the switching device one is arranged at the connection aerial cooler and cloth bag
On the pipeline of deduster, the switching device two is arranged at the connection scalable discharge duct and the bag filter bottom
On pipeline；
The electrostatic precipitator includes dedusting passage；Electrode in dedusting passage, the material of the electrode is resistance wire
Material；
One inlet channel, the inlet channel include the first inlet channel and the second inlet channel, the first inlet channel and sieve
The connection of thatch wind turbine is used to be passed through the gas containing graphite dust to dedusting passage；Second channel is used to be passed through burning to dedusting passage
Aid in gas；
Detection device for the dust concentration for detecting dedusting channel exit；
Power supply unit.
2. graphite dust electrostatic precipitation system according to claim 1, it is characterised in that the scalable discharge duct and storage
Pot bottom connects, and is provided with sluice valve and is used to control graphite powder discharging；
Input port and delivery outlet are provided with the top of the storage tank, the input port is connected with the scalable suction tube, described
Delivery outlet is connected with the cyclone dust collectors.
3. graphite dust electrostatic precipitation system according to claim 1, it is characterised in that the cyclone dust collectors top and sky
Gas Cooler connects, and bottom is in funnel type, and funnel type bottom is connected with bag filter by pipeline.
4. graphite dust electrostatic precipitation system according to claim 3, it is characterised in that be additionally provided with sluice valve, the cunning
Plate valve is arranged between cyclone dust collectors and bag filter, for being opened and closed the pipe of connection cyclone dust collectors and bag filter
Road.
5. graphite dust electrostatic precipitation system according to claim 1, it is characterised in that the aerial cooler model
KLH types.
6. graphite dust electrostatic precipitation system according to claim 1, it is characterised in that the bag filter is included from upper
Upper gas tank, the cylinder being fixedly connected sequentially under, the upper gas tank are connected with the upper surface of cylinder, equipped with filter in the cylinder
Bag, cylinder lower end is provided with flue-dust retainer；
The upper gas tank is equipped with opening, and the opening is connected with roots blower by pipeline；
The flue-dust retainer lower part connects dust leg, and the dust leg is additionally provided with sluice valve with flue-dust retainer lower part, and ash is unloaded for controlling.
7. graphite dust electrostatic precipitation system according to claim 6, it is characterised in that blowing device is additionally provided with, it is described
Blowing device includes gas bag and pulse valve, and the pulse valve at the top of upper gas tank with being connected.
8. the conveying of pyrographite powder, discharging and dust pelletizing system according to claim 1, it is characterised in that the switching device
One and switching device two are electronic dish valve.
9. one kind is used for the method for the graphite dust electrostatic precipitation system based on biswitch described in claim 1 ~ 8 any one,
It is characterised in that it includes following steps：
S1. switching device one is opened, turns off the switch device two, starts roots blower,
The graphitiferous powder air-flow forms dust-containing air stream by holding vessel and through sedimentation, and the graphite powder is through settling into storage
Tank；
The dust-containing air stream is by passing sequentially through cyclone dust collectors, aerial cooler and bag filter, part dust settling
Into in cyclone dust collectors, the dust-containing air stream enters aerial cooler, realizes temperature decrease, and the temperature decrease to 100 ~
150℃；
Dust-containing air stream of the temperature through rapid drawdown enters bag filter, filters through bag filter, is discharged by roots blower
Into electrostatic precipitator；
The electrostatic precipitator further collects un-cleared graphite dust, be finally completed graphite dust processing and
Collect；
S2. device one is turned off the switch, opens switching device two, starts roots blower, graphite powder is through scalable in the holding vessel
Discharge duct draws off and produces airborne dust, and dust-contained airflow enters bag filter by pipeline, is filtered through bag filter, by Roots's wind
Machine is discharged into electrostatic precipitator；
The electrostatic precipitator further collects un-cleared graphite dust, be finally completed graphite dust processing and
Collect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405078.1A CN107983071A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust electrostatic precipitation system and method based on biswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405078.1A CN107983071A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust electrostatic precipitation system and method based on biswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107983071A true CN107983071A (en) | 2018-05-04 |
Family
ID=62041458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711405078.1A Withdrawn CN107983071A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust electrostatic precipitation system and method based on biswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279909A (en) * | 2021-12-31 | 2022-04-05 | 华中科技大学 | Dust particle natural sedimentation simulation device and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492756A (en) * | 2014-12-08 | 2015-04-08 | 沈阳航空航天大学 | Graphite dust disposing device |
| CN105126529A (en) * | 2015-10-08 | 2015-12-09 | 泰安中意重型工业设备有限公司 | Method and device for inorganized emission flying dust pollution government |
-
2017
- 2017-12-22 CN CN201711405078.1A patent/CN107983071A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492756A (en) * | 2014-12-08 | 2015-04-08 | 沈阳航空航天大学 | Graphite dust disposing device |
| CN105126529A (en) * | 2015-10-08 | 2015-12-09 | 泰安中意重型工业设备有限公司 | Method and device for inorganized emission flying dust pollution government |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279909A (en) * | 2021-12-31 | 2022-04-05 | 华中科技大学 | Dust particle natural sedimentation simulation device and application thereof |
| CN114279909B (en) * | 2021-12-31 | 2024-05-14 | 华中科技大学 | Dust particle natural sedimentation simulation device and application thereof |
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Application publication date: 20180504 |