CN107961635A - A kind of graphite dust electrostatic precipitation system and method - Google Patents
A kind of graphite dust electrostatic precipitation system and method Download PDFInfo
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- CN107961635A CN107961635A CN201711405060.1A CN201711405060A CN107961635A CN 107961635 A CN107961635 A CN 107961635A CN 201711405060 A CN201711405060 A CN 201711405060A CN 107961635 A CN107961635 A CN 107961635A
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- dust
- bag filter
- graphite
- roots blower
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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, including pass sequentially through scalable suction tube, holding vessel, cyclone dust collectors, aerial cooler, the first bag filter, the first roots blower and the first electrostatic precipitator of pipeline connection；The second bag filter, the second roots blower and the second electrostatic precipitator are further included, the second bag filter is connected with the second roots blower by pipeline；Holding vessel includes the scalable discharge duct for being arranged at bottom, and dust cover is equipped with outside scalable discharge duct, and dust cover is equipped with opening, and opening is connected by pipeline with the second bag filter lower part；The present invention completes the dedusting in feeding and discharge process, the pretreatment of collection dust, cooling, purification, the advanced dust pelletizing system of one by double roots blowers and the switching of double bag filters；Process step design rationally, scientific structure, characteristics of compact layout, operate easy to maintenance, high dust collection efficiency, fully meet high pressure, high temperature, high concentrate dust purification discharge.
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 dust electrostatic precipitation system
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 precipitation system and side
Method.
Technical scheme is as follows：
A kind of graphite dust electrostatic precipitation system is provided, including passes sequentially through the scalable suction tube, holding vessel, rotation of pipeline connection
Wind deduster, aerial cooler, the first bag filter, the first roots blower and the first electrostatic precipitator；
The cyclone dust collectors bottom is connected with bag filter by pipeline；
First roots blower is used for the power for providing the conveying of pyrographite dust, and the pyrographite dust is through the first Roots
The negative pressure air conveying that wind turbine produces；
Further include the second bag filter, the second roots blower and the second electrostatic precipitator, second bag filter with
Second roots blower is connected by pipeline；
The holding vessel includes the scalable discharge duct for being arranged at bottom, and dust cover, institute are equipped with outside the scalable discharge duct
State dust cover and be equipped with opening, the opening is connected by pipeline with the second bag filter lower part；
First electrostatic precipitator and the second electrostatic precipitator structure are identical, including dedusting passage；Positioned at dedusting passage
In electrode, 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.
Further, the scalable discharge duct is connected with storage pot bottom, is provided with sluice valve and is used to control graphite powder
Dirt 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
First bag filter is connected by pipeline.
Further, sluice valve is additionally provided with, the sluice valve is arranged at cyclone dust collectors and the first bag filter
Between, for being opened and closed the pipeline of connection cyclone dust collectors and the first bag filter.
Preferably, the aerial cooler model KLH types.
Further, first bag filter is identical with the second bag filter mechanism, including from top to bottom successively
Upper gas tank, the cylinder being fixedly connected, the upper gas tank are connected with the upper surface of cylinder, and filter bag is housed in the cylinder, under cylinder
End is provided with flue-dust retainer；
The upper gas tank is equipped with opening, and the opening is connected with the first roots blower and the second roots blower by pipeline respectively；
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；
The present invention also provides a kind of method of graphite dust electrostatic precipitation system, comprise the following steps：
First step starts the first roots blower, and the graphitiferous dust air-flow forms gas containing dust by holding vessel and through sedimentation
Stream, the graphite dust is through settling 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 the first bag filter, is filtered through the first bag filter, is formed clean
Net air, the first electrostatic precipitator is discharged by the first roots blower；
First electrostatic precipitator further collects un-cleared graphite dust, is finally completed the place of graphite dust
Reason and collection；
Second step starts the second roots blower, closes the first roots blower, and graphite dust is through scalable discharging in the holding vessel
Pipe draws off and produces airborne dust, and dust-contained airflow enters the second bag filter by pipeline, is filtered through the second bag filter, is formed
Pure air, the second electrostatic precipitator is discharged by the second roots blower；
Second electrostatic precipitator further collects un-cleared graphite dust, is finally completed the place of graphite dust
Reason and collection.
The present invention has the beneficial effect that：
In the present invention, by the switching of open and-shut mode between the first roots blower and the second roots blower, the first bag filter with
Second bag filter is respectively completed the dedusting in feeding and discharge process, the pretreatment of collection dust, cooling, tail gas clean-up, flexible
Control the advanced overhead traveling crane dust pelletizing system being integrated；Process step design rationally, scientific structure, characteristics of compact layout, operation it is easy to maintenance, remove
Dirt is efficient, fully meets the purification discharge of high pressure, high temperature, high concentrate dust；
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 graphite dust electrostatic precipitation system is provided as shown in Fig. 1 ~ 5, in the present embodiment, for anode-baking, including successively
By pipeline connect scalable suction tube 8, holding vessel 1, cyclone dust collectors 2, aerial cooler 3, the first bag filter 4,
First roots blower 5 and the first electrostatic precipitator 9；
2 bottom of cyclone dust collectors is connected with bag filter 4 by pipeline；
First roots blower 5 is used for the power for providing the conveying of pyrographite dust, and pyrographite dust is produced through the first roots blower 5
Raw negative pressure air conveying；
Further include the second bag filter 6, the second roots blower 7 and the second electrostatic precipitator 10, the second bag filter 6 with
Second roots blower 7 is connected by pipeline；
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 cover 110, prevents
Dust hood 110 is equipped with opening 112, and opening 112 is connected by pipeline 111 with 6 lower part of the second bag filter；
First electrostatic precipitator 9 is identical with 10 structure of the second electrostatic precipitator, including dedusting passage 90；Positioned at dedusting passage
Electrode 91 in 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 dust 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 is logical with the first bag filter 4
Piping connects；
Sluice valve 202 is additionally provided with, sluice valve 202 is arranged between 3 and first bag filter 4 of cyclone dust collectors, for opening
Close the pipeline of connection 3 and first bag filter 4 of cyclone dust collectors.
Wherein, aerial cooler model KLH types.
First bag filter 4 is identical with 7 structure of the second bag filter, including is fixedly connected sequentially from top to bottom upper
Gas tank 400, cylinder 401, upper gas tank 400 are connected with the upper surface of cylinder 401, and filter bag, 401 lower end of cylinder are housed in cylinder 401
It 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；
A kind of flow of graphite dust electrostatic precipitation system provided in this embodiment is as follows：
Start the first roots blower 5,
Graphitiferous dust air-flow forms dust-containing air stream by holding vessel 1 and through sedimentation, and graphite dust is through settling into holding vessel
1；
Dust-containing air stream is sunk by passing sequentially through cyclone dust collectors 2,3 and first bag filter 4 of aerial cooler, part dust
Drop enters in cyclone dust collectors 2, and dust-containing air stream enters aerial cooler 3, realizes temperature decrease, temperature decrease to 100 ~ 150
℃；
Dust-containing air stream of the temperature through rapid drawdown enters the first bag filter 4, is filtered through the first bag filter 4, is formed clean
Air, the first electrostatic precipitator is discharged by the first roots blower 5；
First electrostatic precipitator 9 further collects un-cleared graphite dust, is finally completed the processing of graphite dust
And collection；
Start the first roots blower 5, close the second roots blower 7, graphite dust is drawn off through scalable discharge duct 11 in holding vessel 1
And airborne dust is produced, dust-contained airflow enters the second bag filter 6 by pipeline, is filtered through the second bag filter 6, is formed clean
Air, the second electrostatic precipitator is discharged by the second roots blower 7；
Second electrostatic precipitator 10 further collects un-cleared graphite dust, is finally completed the processing of graphite dust
And 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 (8)
- A kind of 1. graphite dust electrostatic precipitation system, it is characterised in that including pass sequentially through pipeline connection scalable suction tube, Holding vessel, cyclone dust collectors, aerial cooler, the first bag filter, the first roots blower and the first electrostatic precipitator；The cyclone dust collectors bottom is connected with bag filter by pipeline；First roots blower is used for the power for providing the conveying of pyrographite dust, and the pyrographite dust is through the first Roots The negative pressure air conveying that wind turbine produces；Further include the second bag filter, the second roots blower and the second electrostatic precipitator, second bag filter with Second roots blower is connected by pipeline；The holding vessel includes the scalable discharge duct for being arranged at bottom, and dust cover, institute are equipped with outside the scalable discharge duct State dust cover and be equipped with opening, the opening is connected by pipeline with the second bag filter lower part；First electrostatic precipitator and the second electrostatic precipitator structure are identical, including dedusting passage；Positioned at dedusting passage In electrode, 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 dust 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 the first 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 the first bag filter, for being opened and closed connection cyclone dust collectors and the first bag-type dust The pipeline of device.
- 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 first bag filter and Two bag filter mechanisms are identical, including upper gas tank, the cylinder being fixedly connected sequentially from top to bottom, the upper gas tank and cylinder Upper surface connects, and 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 the first roots blower and the second roots blower by pipeline respectively；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. one kind is used for the method for graphite dust electrostatic precipitation system described in claim 1 ~ 7 any one, it is characterised in that bag Include following steps：S1. in graphite dust course of conveying, the first roots blower is started, the graphitiferous dust air-flow is by holding vessel and through heavy Drop forms dust-containing air stream, and the graphite dust is through settling into holding vessel；The dust-containing air stream is by passing sequentially through cyclone dust collectors, aerial cooler and the first bag filter, part dust Settle into cyclone dust collectors, the dust-containing air stream enters aerial cooler, realizes temperature decrease, and the temperature decrease arrives 100~150℃；Dust-containing air stream of the temperature through rapid drawdown enters the first bag filter, is filtered through the first bag filter, by first Roots blower discharges the first electrostatic precipitator；First electrostatic precipitator carries out further dedusting to un-cleared graphite dust, is finally completed the place of graphite dust Reason；S2. in discharge process, start the second roots blower, close the first roots blower, graphite dust warp can in the holding vessel Flexible discharge duct draws off and produces airborne dust, and dust-contained airflow enters the second bag filter by pipeline, through the second bag filter Filtering, the second electrostatic precipitator is discharged by the second roots blower；Second electrostatic precipitator carries out further dedusting to un-cleared graphite dust, is finally completed the place of graphite dust Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405060.1A CN107961635A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust electrostatic precipitation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405060.1A CN107961635A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust electrostatic precipitation system and method |
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| Publication Number | Publication Date |
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| CN107961635A true CN107961635A (en) | 2018-04-27 |
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| CN201711405060.1A Withdrawn CN107961635A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust electrostatic precipitation system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743303A (en) * | 2019-11-07 | 2020-02-04 | 青岛盛世泰华环保科技有限公司 | Carbon rapid cooling and dedusting process and equipment |
| CN112588062A (en) * | 2020-11-28 | 2021-04-02 | 温州索纽环保科技有限公司 | Environment-friendly air dust collecting device for cement production workshop |
| CN112718243A (en) * | 2019-10-14 | 2021-04-30 | 中国石油化工股份有限公司 | Dust prevention and control device for polyester chip pre-crystallization treatment process |
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 CN201711405060.1A patent/CN107961635A/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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718243A (en) * | 2019-10-14 | 2021-04-30 | 中国石油化工股份有限公司 | Dust prevention and control device for polyester chip pre-crystallization treatment process |
| CN112718243B (en) * | 2019-10-14 | 2022-12-09 | 中国石油化工股份有限公司 | Dust prevention and control device for polyester chip pre-crystallization treatment process |
| CN110743303A (en) * | 2019-11-07 | 2020-02-04 | 青岛盛世泰华环保科技有限公司 | Carbon rapid cooling and dedusting process and equipment |
| CN112588062A (en) * | 2020-11-28 | 2021-04-02 | 温州索纽环保科技有限公司 | Environment-friendly air dust collecting device for cement production workshop |
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Application publication date: 20180427 |
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