CN107826814A - A kind of graphite dust processing recovery system and method - Google Patents
A kind of graphite dust processing recovery system and method Download PDFInfo
- Publication number
- CN107826814A CN107826814A CN201711405059.9A CN201711405059A CN107826814A CN 107826814 A CN107826814 A CN 107826814A CN 201711405059 A CN201711405059 A CN 201711405059A CN 107826814 A CN107826814 A CN 107826814A
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- Prior art keywords
- dust
- sack cleaner
- roots blower
- graphite
- retracting device
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
- B65G69/186—Preventing escape of dust by means of non-sealed systems with aspiration means
-
- 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
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of graphite dust processing recovery system and method, for anode-baking, including pass sequentially through scalable suction tube, holding vessel, cyclone dust collectors, aerial cooler, the first sack cleaner, the first roots blower and the first retracting device of pipeline communication；Also include the second sack cleaner, the second roots blower and the second retracting device, the second sack cleaner and the second roots blower pass through pipeline communication；Holding vessel includes the scalable discharge duct for being arranged at bottom, and dust cover is provided with outside scalable discharge duct, and dust cover is provided with opening, and opening is connected by pipeline with the second sack cleaner bottom；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 sack cleaners；Process step design rationally, scientific structure, characteristics of compact layout, operation it is easy to maintenance, efficiency of dust collection is high, fully meets 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 dust processing recovery 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 produced in practical operation unavoidably, due to these dust granules 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 granules, it may occur that effusion cloth bag and situation about can not 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 high pressure resistant, effective temperature-reducing of foot, the features such as 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 prior art problem, the invention provides a kind of graphite dust processing recovery system and side
Method.
Technical scheme is as follows：
A kind of graphite dust processing recovery system is provided, including passes sequentially through the scalable suction tube, holding vessel, rotation of pipeline communication
Wind deduster, aerial cooler, the first sack cleaner, the first roots blower and the first retracting device；
The cyclone dust collectors bottom passes through pipeline communication with sack cleaner；
First roots blower is used for the power for providing high-temperature material conveying, and the high-temperature material produces through the first roots blower
Negative pressure air conveying；
Also include the second sack cleaner, the second roots blower and the second retracting device, second sack cleaner and second
Roots blower passes through pipeline communication；
The holding vessel includes the scalable discharge duct for being arranged at bottom, and dust cover, institute are provided with outside the scalable discharge duct
State dust cover and be provided with opening, the opening is connected by pipeline with the second sack cleaner bottom；
First retracting device and the second retracting device structure are identical, including return passage, waterfall booth and recovery room；The backflow
Room is provided with air exhauster, gas outlet, the first back flow plate and the second back flow plate；The air exhauster is arranged on the top of return passage；Institute
State the right side that gas outlet is arranged on air exhauster；First back flow plate is half arc, and the first back flow plate is arranged on the interior of return passage
Portion；Second back flow plate is half arc；
The waterfall booth is provided with air inlet, crosses filter fan, compression plate, screw fan, water inlet and delivery port；The air inlet is set
On the left of waterfall booth；The filter fan of crossing is provided with filtering flabellum and fix bar, crosses filter fan and is fixed on by fix bar on air inlet；
The filtering flabellum is provided with four；The compression plate is arranged on the right side of air inlet, and compression plate is half arc；The screw fan is set
Put and the right side of compression plate, screw fan are provided with spiral fan；The water inlet is arranged on the right side of waterfall booth；The delivery port
The bottom of waterfall booth is arranged on, delivery port is provided with outlet valve；
The recovery room is provided with recovery port, heating chamber and escape pipe, and recovery room is arranged on the lower section of waterfall booth；The recovery port
It is arranged on the bottom right side of recovery room；The heating chamber is arranged on the top of recovery room；The escape pipe is arranged on recovery room
Right side top.
Further, the scalable discharge duct is connected with storage pot bottom, is provided with sluice valve and is unloaded for control material
Material；
Input port and delivery outlet are provided with the top of the storage tank, the input port connects with the scalable suction tube, described
Delivery outlet connects with the cyclone dust collectors.
Further, the cyclone dust collectors top connects with aerial cooler, and bottom is in funnel type, funnel type bottom with
First sack cleaner passes through pipeline communication.
Further, sluice valve is additionally provided with, the sluice valve is arranged at cyclone dust collectors and the first sack cleaner
Between, for being opened and closed the pipeline of connection cyclone dust collectors and the first sack cleaner.
Preferably, the aerial cooler model KLH types.
Further, first sack cleaner is identical with the second sack cleaner mechanism, including from top to bottom successively
Upper gas tank, the cylinder being fixedly connected, the upper gas tank connect with the upper surface of cylinder, and the cylinder is built with filter bag, under cylinder
End is provided with flue-dust retainer；
The upper gas tank is provided with opening, and the opening passes through pipeline communication with the first roots blower and the second roots blower respectively；
The flue-dust retainer bottom connects dust leg, and the dust leg is additionally provided with sluice valve with flue-dust retainer bottom, 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
Connected at the top of upper gas tank；
The present invention also provides a kind of method of graphite dust processing recovery system, comprises the following steps：
In first step material conveying process, start the first roots blower, it is described to contain material pneumatic by holding vessel and through settling shape
Into dust-containing air stream, the material is through settling into holding vessel；
The dust-containing air stream is by passing sequentially through cyclone dust collectors, aerial cooler and sack cleaner, part dust settling
Into in cyclone dust collectors, the dust-containing air stream air inlet cooler realizes temperature decrease, the temperature decrease to 100 ~
150℃；
Dust-containing air stream of the temperature through rapid drawdown enters the first sack cleaner, is filtered through the first sack cleaner, is formed clean
Net air, the first retracting device is discharged by the first roots blower；
First retracting device is further collected to un-cleared graphite dust, be finally completed graphite dust processing and
Collect；
In second step discharge process, start the second roots blower, close the first roots blower, material warp can in the holding vessel
Flexible discharge duct draws off and produces airborne dust, and dust-contained airflow enters the second sack cleaner by pipeline, through the second sack cleaner
Filtering, pure air is formed, the second retracting device is discharged by the second roots blower；
Second retracting device is further collected 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 the first roots blower and the second roots blower, the first sack cleaner with
Second sack cleaner is respectively completed the dedusting in feeding and discharge process, the pretreatment of collection dust, cooling, tail gas clean-up, flexible
Control the advanced dust pelletizing system being integrated；Process step design rationally, scientific structure, characteristics of compact layout, operation it is easy to maintenance, dedusting effect
Rate is high, fully meets the purification discharge of high pressure, high temperature, high concentrate dust.
Brief description of the drawings
Fig. 1 is the present embodiment conveying 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 retracting device schematic diagram.
Embodiment
With reference to embodiment, the present invention is further illustrated.Wherein, being given for example only property of accompanying drawing illustrates,
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 parts of accompanying drawing have omission, zoomed 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 accompanying drawing.
Embodiment 1
A kind of graphite dust processing recovery system is provided as shown in Fig. 1 ~ 5, in the present embodiment, including passes sequentially through pipeline communication
Scalable suction tube 8, holding vessel 1, cyclone dust collectors 2, aerial cooler 3, the first sack cleaner 4, the and of the first roots blower 5
First retracting device 9；
The bottom of cyclone dust collectors 2 passes through pipeline communication with sack cleaner 4；
First roots blower 5 is used for the power for providing high-temperature material conveying, and high-temperature material is through negative pressure caused by the first roots blower 5
Air conveys；
Also include the second sack cleaner 6, the second roots blower 7 and the second retracting device 10, the second sack cleaner 6 and second
Roots blower 7 passes through pipeline communication；
Holding vessel 1 includes the scalable discharge duct 11 for being arranged at bottom, and the scalable outside of discharge duct 11 is provided with dust cover 110, prevented
Dust hood 110 is provided with opening 112, and opening 112 is connected by pipeline 111 with the bottom of the second sack cleaner 6；
First retracting device 9 is identical with the structure of the second retracting device 10, including including return passage 90, waterfall booth 91 and recovery room
92；
Return passage 90 is provided with air exhauster 900, gas outlet 901, the first back flow plate 902 and the second back flow plate 903；Air exhauster 900
It is arranged on the top of return passage 90；Gas outlet 901 is arranged on the right side of air exhauster 900；First back flow plate 902 is half arc, the
One back flow plate 902 is arranged on the inside of return passage 90；Second back flow plate 903 is half arc；
Waterfall booth 91 is provided with air inlet 910, crosses filter fan 911, compression plate 912, screw fan 913, water inlet 914 and delivery port
915；Air inlet 910 is arranged on the left side of waterfall booth 91；Cross filter fan 911 and be provided with filtering flabellum 9110 and fix bar 9112, filtering
Fan 911 is fixed on air inlet 910 by fix bar 9112；Filtering flabellum 9110 is provided with four；Compression plate 912 be arranged on into
The right side of air port 910, compression plate 912 is half arc；Screw fan 913 is arranged on the right side of compression plate 912, and screw fan 913 is provided with
Spiral fan 9130；Water inlet 914 is arranged on the right side of waterfall booth 91；Delivery port 915 is arranged on the bottom of waterfall booth 910, goes out
The mouth of a river 915 is provided with outlet valve 9150；
Recovery room 92 is provided with recovery port 920, heating chamber 921 and escape pipe 922, and recovery room 92 is arranged under waterfall booth 91
Side；Recovery port 920 is arranged on the bottom right side of recovery room 92；Heating chamber 921 is arranged on the top of recovery room 92；Escape pipe 922
It is arranged on the right side top of recovery room 92.
Scalable discharge duct 11 is connected with the bottom of holding vessel 1, is provided with sluice valve 12 and is used for control material discharging；
The top of holding vessel 1 is provided with input port 101 and delivery outlet 102, and input port 101 connects with scalable suction tube 8, delivery outlet
102 connect with cyclone dust collectors 2.
The top of cyclone dust collectors 2 connects with aerial cooler 3, and bottom is in funnel type, and bottom is logical with the first sack cleaner 4
Piping connects；
Sluice valve 202 is additionally provided with, sluice valve 202 is arranged between the sack cleaner 4 of cyclone dust collectors 3 and first, for opening
Close the pipeline of the connection sack cleaner 4 of cyclone dust collectors 3 and first.
Wherein, aerial cooler model KLH types.
First sack cleaner 4 is identical with the structure of the second sack cleaner 7, including is fixedly connected sequentially from top to bottom upper
Gas tank 400, cylinder 401, upper gas tank 400 connect with the upper surface of cylinder 401, and cylinder 401 is built with filter bag, the lower end of cylinder 401
It is provided with flue-dust retainer 403；
Upper gas tank 400 is provided with opening 408, and opening 408 passes through pipeline communication with roots blower 5；
The bottom of flue-dust retainer 403 connects dust leg 406, and dust leg 406 is additionally provided with sluice valve 407 with the bottom of flue-dust retainer 403, 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 top of case 400 connects；
A kind of flow for graphite dust processing recovery system that the present embodiment provides is as follows：
Start the first roots blower 5,
Dust-containing air stream is formed containing material pneumatic by holding vessel 1 and through sedimentation, material is through settling into holding vessel 1；
Dust-containing air stream is sunk by passing sequentially through cyclone dust collectors 2, the sack cleaner 4 of aerial cooler 3 and first, part dust
Drop enters in cyclone dust collectors 2, dust-containing air stream air inlet cooler 3, realizes temperature decrease, temperature decrease to 100 ~ 150
℃；
Dust-containing air stream of the temperature through rapid drawdown enters the first sack cleaner 4, is filtered through the first sack cleaner 4, by first sieve
Thatch blower fan 5 discharges the first retracting device 9；
First retracting device 9 is further collected to un-cleared graphite dust, is finally completed processing and the receipts of graphite dust
Collection；
Start the second roots blower 7, close the first roots blower 5, material draws off and produced through scalable discharge duct 11 in holding vessel 1
Raw airborne dust, dust-contained airflow enter the second sack cleaner 6 by pipeline, filtered through the second sack cleaner 6, are formed clean empty
Gas, the second retracting device 10 is discharged by the second roots blower 7；
Second retracting device 10 is further collected to un-cleared graphite dust, is finally completed processing and the receipts of graphite dust
Collection.
Air with dust enters waterfall booth 91 from air inlet 910, and air exhauster 900 drives air flow, crosses filter fan 911
Rotated under the action of the forces of the wind with screw fan 913, and evoke the water curtain in waterfall booth 91, by air wetting and by air
Dust granules settle, and filter fan 911 and screw fan 913 entrain the pellets into the bottom excessively, play a part of dual sedimentation, the sky of humidification
When reaching the position of the first back flow plate 902 and the second back flow plate 903, steam can be assembled to flow back gas together with dust, and second
Back flow plate 903 can be by current meeting waterfall booth 91, and the air after filtering is walked gas outlet 901 and discharged；When the dust collection of waterfall booth 91
To after a period of time, outlet valve 9150 is opened, the liquid in waterfall booth 91 is entered recovery room 92, in the effect of heating chamber 921
Under, it is evaporated, steam is discharged from blast pipe 922, and the graphite dust of recovery is collected from the processing of recovery port 920.
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 changes in different forms.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)
1. a kind of graphite dust handles recovery system, it is characterised in that including pass sequentially through pipeline communication scalable suction tube,
Holding vessel, cyclone dust collectors, aerial cooler, the first sack cleaner, the first roots blower and the first retracting device；
The cyclone dust collectors bottom passes through pipeline communication with sack cleaner；
First roots blower is used for the power for providing high-temperature material conveying, and the high-temperature material produces through the first roots blower
Negative pressure air conveying；
Also include the second sack cleaner, the second roots blower and the second retracting device, second sack cleaner and second
Roots blower passes through pipeline communication；
The holding vessel includes the scalable discharge duct for being arranged at bottom, and dust cover, institute are provided with outside the scalable discharge duct
State dust cover and be provided with opening, the opening is connected by pipeline with the second sack cleaner bottom；
First retracting device and the second retracting device structure are identical, including return passage, waterfall booth and recovery room；The backflow
Room is provided with air exhauster, gas outlet, the first back flow plate and the second back flow plate；The air exhauster is arranged on the top of return passage；Institute
State the right side that gas outlet is arranged on air exhauster；First back flow plate is half arc, and the first back flow plate is arranged on the interior of return passage
Portion；Second back flow plate is half arc；
The waterfall booth is provided with air inlet, crosses filter fan, compression plate, screw fan, water inlet and delivery port；The air inlet is set
On the left of waterfall booth；The filter fan of crossing is provided with filtering flabellum and fix bar, crosses filter fan and is fixed on by fix bar on air inlet；
The filtering flabellum is provided with four；The compression plate is arranged on the right side of air inlet, and compression plate is half arc；The screw fan is set
Put and the right side of compression plate, screw fan are provided with spiral fan；The water inlet is arranged on the right side of waterfall booth；The delivery port
The bottom of waterfall booth is arranged on, delivery port is provided with outlet valve；
The recovery room is provided with recovery port, heating chamber and escape pipe, and recovery room is arranged on the lower section of waterfall booth；The recovery port
It is arranged on the bottom right side of recovery room；The heating chamber is arranged on the top of recovery room；The escape pipe is arranged on recovery room
Right side top.
2. graphite dust processing recovery 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 for control material discharging；
Input port and delivery outlet are provided with the top of the storage tank, the input port connects with the scalable suction tube, described
Delivery outlet connects with the cyclone dust collectors.
3. graphite dust processing recovery 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 passes through pipeline communication with the first sack cleaner.
4. graphite dust processing recovery 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 sack cleaner, for being opened and closed connection cyclone dust collectors and the first bag-type dust
The pipeline of device.
5. graphite dust processing recovery system according to claim 1, it is characterised in that the aerial cooler model
KLH types.
6. graphite dust processing recovery system according to claim 1, it is characterised in that first sack cleaner and the
Two sack cleaner 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 the cylinder is provided with flue-dust retainer built with filter bag, cylinder lower end；
The upper gas tank is provided with opening, and the opening passes through pipeline communication with the first roots blower and the second roots blower respectively；
The flue-dust retainer bottom connects dust leg, and the dust leg is additionally provided with sluice valve with flue-dust retainer bottom, and ash is unloaded for controlling.
7. graphite dust processing recovery 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 processing recovery system described in claim 1 ~ 7 any one, it is characterised in that bag
Include following steps：
S1. the first roots blower is started, it is described to form dust-containing air stream, the thing containing material pneumatic by holding vessel and through sedimentation
Material is through settling into holding vessel；
The dust-containing air stream is by passing sequentially through cyclone dust collectors, aerial cooler and the first sack cleaner, part dust
Settle into cyclone dust collectors, the dust-containing air stream air inlet cooler realizes temperature decrease, and the temperature decrease arrives
100~150℃；
Dust-containing air stream of the temperature through rapid drawdown enters the first sack cleaner, is filtered through the first sack cleaner, by first
Roots blower discharges the first retracting device；
First retracting device is further collected to un-cleared graphite dust, be finally completed graphite dust processing and
Collect；
S2. start the second roots blower, close the first roots blower, material is drawn off simultaneously through scalable discharge duct in the holding vessel
Airborne dust is produced, dust-contained airflow enters the second sack cleaner by pipeline, is filtered through the second sack cleaner, by second Roots's wind
Machine discharges the second retracting device；
Second retracting device is further collected to un-cleared graphite dust, be finally completed graphite dust processing and
Collect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405059.9A CN107826814A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust processing recovery system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405059.9A CN107826814A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust processing recovery system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107826814A true CN107826814A (en) | 2018-03-23 |
Family
ID=61645306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711405059.9A Withdrawn CN107826814A (en) | 2017-12-22 | 2017-12-22 | A kind of graphite dust processing recovery system and method |
Country Status (1)
| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0526808A1 (en) * | 1991-08-05 | 1993-02-10 | Siemens Aktiengesellschaft | Method and device for transporting of powder |
| 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 |
| CN205037712U (en) * | 2015-09-25 | 2016-02-17 | 鹤壁市恒力橡塑股份有限公司 | Dry recovery system of DPG dust two -stage |
| CN105771499A (en) * | 2014-12-19 | 2016-07-20 | 段竹琴 | Silicon-iron electric furnace flue gas purifying and dust recovering system |
| CN106110785A (en) * | 2016-08-08 | 2016-11-16 | 北方重工集团有限公司 | A kind of locellus pulse jet system that rotates is for bag-type whirlwind dust remover |
| CN205903754U (en) * | 2016-08-23 | 2017-01-25 | 江西斯诺新能源有限公司 | A dust removal recovery plant for graphite dust |
-
2017
- 2017-12-22 CN CN201711405059.9A patent/CN107826814A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0526808A1 (en) * | 1991-08-05 | 1993-02-10 | Siemens Aktiengesellschaft | Method and device for transporting of powder |
| CN105771499A (en) * | 2014-12-19 | 2016-07-20 | 段竹琴 | Silicon-iron electric furnace flue gas purifying and dust recovering system |
| CN205037712U (en) * | 2015-09-25 | 2016-02-17 | 鹤壁市恒力橡塑股份有限公司 | Dry recovery system of DPG dust two -stage |
| 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 |
| CN106110785A (en) * | 2016-08-08 | 2016-11-16 | 北方重工集团有限公司 | A kind of locellus pulse jet system that rotates is for bag-type whirlwind dust remover |
| CN205903754U (en) * | 2016-08-23 | 2017-01-25 | 江西斯诺新能源有限公司 | A dust removal recovery plant for graphite dust |
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Application publication date: 20180323 |