CN109603399A - A kind of whistle type rotary pulse bag filter - Google Patents
A kind of whistle type rotary pulse bag filter Download PDFInfo
- Publication number
- CN109603399A CN109603399A CN201910045225.1A CN201910045225A CN109603399A CN 109603399 A CN109603399 A CN 109603399A CN 201910045225 A CN201910045225 A CN 201910045225A CN 109603399 A CN109603399 A CN 109603399A
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- China
- Prior art keywords
- gas
- ash bucket
- frame
- dust
- pulse
- 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.)
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Links
- 239000003034 coal gas Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000012423 maintenance Methods 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 83
- 239000000428 dust Substances 0.000 description 45
- 238000004140 cleaning Methods 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000010926 purge Methods 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- 238000013517 stratification Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of whistle type rotary pulse bag filter, it is characterized in that by top cover, maintenance door, chamber structure air-purifying chamber, cloth bag, frame, dust-laden filtration barrel body, enter the wind mouthpiece, explosion-protection equipment, fixed frame, ash bucket support frame frame, lower support frame, ash bucket, manhole, unloading valve, unload grey rapping apparatus, overhaul staircase, gas source inlet pipe omits and component, gas inclusion component, pulse spraying equipment, pulse jet outlet omits and component, speed reducer, slewing gear, from coal gas blowback import, from coal gas whistle type anti-blowpipe, the outlet of blowback purified gas, purified gas outlet conduit, purified gas outlet header road, high pressure blower composition.
Description
Technical field
The present invention relates to technical field of dust removal equipment, return in particular by high pressure nitrogen pulse dust cleaning+purified gas whistle type
Turn pulsed jet cloth filter.
Background technique
As country steps up environmental requirement, environmental protection standard and supervision are more and more tighter, in closed mineral hot furnace tail
Industries, original matched back-blowing deduster such as gas purification, blast furnace gas purification and coal-gas recovering, energy recovery usually run one
After the section time, dedusting resistance is increased, deashing ability weakens, fluctuation of service, and efficiency of dust collection is not high, and concentration of emission is not achieved existing
Environmental requirement standard.The solution that this problem has never had.
Summary of the invention
After usually running a period of time present invention is generally directed to original back-blowing deduster, the increasing of dedusting resistance, deashing
The problem of reduced capability, fluctuation of service, efficiency of dust collection is not high, and existing environmental requirement standard is not achieved in concentration of emission, provides
A kind of whistle type rotary pulse bag filter.
A kind of whistle type rotary pulse bag filter, it is characterized in that by top cover (1), maintenance door (2), the net gas of chamber structure
Room (3), cloth bag (4), frame (5), dust-laden filtration barrel body (6), air inlet mouthpiece (7), explosion-protection equipment (8), fixed frame (9),
Ash bucket support frame frame (10), ash bucket (12), manhole (13), unloading valve (14), unloads grey rapping apparatus at lower support frame (11)
(15), staircase (16), the summary of gas source inlet pipe and component (17), gas inclusion component (18), pulse spraying equipment (19), pulse are overhauled
Be blown outlet slightly and component (20), speed reducer (21), slewing gear (22), from coal gas blowback import (23), from coal gas
Whistle type anti-blowpipe (24), blowback purified gas outlet (25), purified gas outlet conduit (26), purified gas outlet header road (27),
High pressure blower (28) composition；If chamber structure air-purifying chamber (3), top cover (1) is installed on chamber structure air-purifying chamber (3), on top cover (1)
Equipped with maintenance door (2), in the intermediate aperture installation blowback purified gas outlet (25) of top cover (1), blowback purified gas exports (25) inner sleeve
It from coal gas whistle type anti-blowpipe (24), is connect from coal gas whistle type anti-blowpipe (24) with slewing gear (22), revolution transmission
Speed reducer (21) are housed at the top of device (22)；Gas inclusion component (18) front end is connect with gas source inlet pipeline (17), gas inclusion group
Part (18) rear end is connect with pulse spraying equipment (19), and pulse spraying equipment (19) divides into pulse jet export pipeline component (20)
It is connected to from coal gas whistle type anti-blowpipe (24)；Blowback purified gas outlet (25) is connect with high pressure blower (28) import, high-pressure blast
Machine (28) outlet is connect with purified gas outlet header road (27), purified gas outlet header road (27) is branched off into two-way pipeline: all the way
Connect the purified gas outlet conduit (26) of proprietor's gas holder, another way is connected to gas inlet (23), from gas inlet (23) with from coal
Port whistle type anti-blowpipe (24) connection；Chamber structure air-purifying chamber (3) sealed bottom connects dust-laden filtration barrel body (6), dust-laden filtering
Cylinder (6) is provided with cloth bag (4) and frame (5), and dust-laden filtration barrel body (6) outer wall is equipped with explosion-protection equipment (8), enters the wind mouthpiece
(7) it is mounted on dirt filtration barrel body (6) middle and upper part；Dust-laden filtration barrel body (6) is using fixed frame (9) and ash bucket braced frame (10)
Welding, ash bucket braced frame (10) are connect with lower support frame (11), and lower support frame lower end and ground cement pedestal weld；Ash
Bucket (12) is mounted on ash bucket braced frame (10) above, and ash bucket (12) lower part is equipped with maintenance (13) and unloads grey rapping apparatus (15),
Ash bucket (12) bottom is then unloading valve (14)；Maintenance staircase (16) lower end is fixed on ground cement pedestal, is successively up distinguished
It is fixed on ash bucket braced frame (10) and fixed frame (9).
The reflexive blowing-out gray technology of high pressure nitrogen pulse dust cleaning+purified gas whistle type: by gas inclusion component (18), gas source inlet
The high pressure of pipeline (17), pulse spraying equipment (19), pulse spraying equipment (19), pulse jet export pipeline component (20) composition
Pulse of nitrogen soot cleaning system with by from coal gas whistle type anti-blowpipe (24), blowback purified gas outlet (25), high pressure blower (28), from
Coal gas whistle type anti-blowpipe (24), slewing gear (22), speed reducer (21) composition purified gas whistle type from reverse gas cleaning
The cooperative ash removal method of system, i.e. high pressure nitrogen pulse dust cleaning+purified gas whistle type are clear in blowback from reverse gas cleaning mode
While bag, the vibration of dither gas is generated, its main feature is that pulsating vibration while guaranteeing effectively to purge filter bag, when blowback increase
Vibration frequency is added, vibration frequency is made to spread all over entire filter bag, achieved the purpose that dust layer is stripped first, and will not dust is complete
Full town dissipates, and in the time to one, the dust sedimentation peeled off, this dust stratification is peeled off, dust cohesion phenomenon, exists without dust is coagulated
Ash bucket is fallen into static balance time rapidly.The stabilization for ensuring that bag filter differential pressure, significantly improve life-span of the filter bag and
Ash-removal effect.
Dusty gas filter process: dusty gas enters filter chamber's upper space of shell, big partial size through deduster entrance
Dust under the influence of centrifugal force, separate, and moved along housing wall, gradually fall into ash bucket.Molecule is suspended in
It is diffused between the gap of filter bag by airflow distribution device even into filter chamber in gas, dust is delayed at filter bag appearance
Face, clean gas come together in top clean gas room through sack, are discharged by air outlet.With the progress of filtration, outside filter bag
The dust in face is more and more thicker, and resistance of the filter bag gradually increases, and deduster determines automatic control when resistance value pressure difference control system or definite value at this time
Device plays a role, and triggering electric-control system connects blowback air-flow, while pulse valve works, and generates the vibration of dither gas, passes through
Whistle type rotary pulse soot cleaning system makes resistance of the filter bag drop to certain numerical value: when resistance of the filter bag increases to about 800 ~ 1200Pa
When, then carry out clear bag work；Resistance of the filter bag is about 600 ~ 700Pa after clear bag.The filter bag that cleaning blows after managing is filtered again
Work, maintains the continuous work of deduster.The dust purged from filter bag is fallen into together with the crude particle dust of pre-separation
In ash bucket, it is discharged through unloading valve.
Deashing process: using high pressure nitrogen pulse dust cleaning+purified gas whistle type from reverse gas cleaning mode, in the clear bag of blowback
Meanwhile the vibration of dither gas is generated, its main feature is that pulsating vibration while guaranteeing effectively to purge filter bag, when blowback, increase
Vibration frequency, makes vibration frequency spread all over entire filter bag, achievees the purpose that dust layer is stripped first, and will not be the complete town of dust
It dissipates, in the time for giving one, the dust sedimentation peeled off, this dust stratification is peeled off, dust cohesion phenomenon, without solidifying dust in nature
Ash bucket is fallen into sedimentation time rapidly.
A kind of beneficial effect of whistle type rotary pulse bag filter of the present invention is can effectively to solve original back-blowing
Deduster runs the increasing of dedusting resistance, deashing ability decrease, fluctuation of service after a period of time, and efficiency of dust collection is not high, discharges dense
The case where degree is not achieved existing environmental requirement standard, influences enterprise and normally produce, or even endanger workers ' health generation.Simultaneously
Solves the contradiction that pulsed jet cloth filter cost is high, back-blowing deduster ash-removal effect is bad.
Detailed description of the invention
Fig. 1 is whistle type rotary pulse bag filter structural front view of the invention.
In figure, 1. top covers, 2. maintenance doors, 3. chamber structure air-purifying chambers, 4. cloth bags, 5. frames, the filtering of 6. dust-ladens
Cylinder, 7. air inlet mouthpieces, 8. explosion-protection equipments, 9. fixed frames, 10. ash bucket braced frames, 11. lower support frames,
12. ash bucket, 13. maintenance/peep hole, 14. unloading valves, 15. unload grey rapping apparatus, and 16. overhaul staircases, guardrail, platform,
17. gas source inlet pipeline, 18. gas inclusion components, 19. pulse spraying equipments, 20. pulse jet export pipeline components, 21.
Speed reducer, 22. slewing gears, 23. from gas inlet, and 24. from coal gas whistle type anti-blowpipe, 25. blowback purified gas
Outlet, 26. purified gas outlet conduits, 27. purified gas outlet header roads, 28. high pressure blowers.
Fig. 2 is whistle type rotary pulse bag filter structure A--A top view of the invention.
In figure, 1. top covers, 2. maintenance doors, 4. cloth bags, 5. frames, 17. gas source inlet pipelines, 18. gas inclusion groups
Part, 19. pulse spraying equipments, 23. from gas inlet.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of whistle type rotary pulse bag filter, it is characterized in that by top cover (1), maintenance door
(2), chamber structure air-purifying chamber (3), cloth bag (4), frame (5), dust-laden filtration barrel body (6), air inlet mouthpiece (7), explosion-protection equipment
(8), fixed frame (9), ash bucket support frame frame (10), lower support frame (11), ash bucket (12), manhole (13), unloading valve
(14), grey rapping apparatus (15), maintenance staircase (16), the summary of gas source inlet pipe and component (17), gas inclusion component (18), pulse are unloaded
Blowing device (19), pulse jet outlet are slightly and component (20), speed reducer (21), slewing gear (22), anti-from coal gas
It blows into mouth (23), export (25), purified gas outlet conduit (26), clean coal from coal gas whistle type anti-blowpipe (24), blowback purified gas
Gas outlet header road (27), high pressure blower (28) composition；If chamber structure air-purifying chamber (3), chamber structure air-purifying chamber is installed on (3)
Top cover (1), top cover (1) are equipped with maintenance door (2), and in the intermediate aperture installation blowback purified gas outlet (25) of top cover (1), blowback is net
Gas exit (25) inner sleeve is from coal gas whistle type anti-blowpipe (24), from coal gas whistle type anti-blowpipe (24) and slewing gear
(22) it connects, speed reducer (21) is housed at the top of slewing gear (22)；Gas inclusion component (18) front end and gas source inlet pipeline
(17) it connects, gas inclusion component (18) rear end is connect with pulse spraying equipment (19), and pulse spraying equipment (19) divides into pulse spray
Blow-off outlet pipeline assembly (20) is connected to from coal gas whistle type anti-blowpipe (24)；Blowback purified gas exports (25) and high pressure blower
(28) import connect, high pressure blower (28) outlet connect with purified gas outlet header road (27), purified gas outlet header road (27)
It is branched off into two-way pipeline: connecing the purified gas outlet conduit (26) of proprietor's gas holder all the way, another way is connected to gas inlet (23), from
Gas inlet (23) is connected to from coal gas whistle type anti-blowpipe (24)；Chamber structure air-purifying chamber (3) sealed bottom connects dust-laden mistake
Filter cylinder body (6), dust-laden filtration barrel body (6) are provided with cloth bag (4) and frame (5), and dust-laden filtration barrel body (6) outer wall is equipped with explosion-proof dress
It sets (8), air inlet mouthpiece (7) is mounted on dirt filtration barrel body (6) middle and upper part；Dust-laden filtration barrel body (6) using fixed frame (9) with
Ash bucket braced frame (10) welding, ash bucket braced frame (10) are connect with lower support frame (11), lower support frame lower end and ground
The welding of face cement substrate；Ash bucket (12) is mounted on ash bucket braced frame (10) above, ash bucket (12) lower part be equipped with maintenance (13) and
It unloads grey rapping apparatus (15), ash bucket (12) bottom is then unloading valve (14)；Maintenance staircase (16) lower end is fixed on ground cement base
On seat, successively up it is separately fixed on ash bucket braced frame (10) and fixed frame (9).
The reflexive blowing-out gray technology of high pressure nitrogen pulse dust cleaning+purified gas whistle type: by gas inclusion component (18), gas source inlet
The high pressure of pipeline (17), pulse spraying equipment (19), pulse spraying equipment (19), pulse jet export pipeline component (20) composition
Pulse of nitrogen soot cleaning system with by from coal gas whistle type anti-blowpipe (24), blowback purified gas outlet (25), high pressure blower (28), from
Coal gas whistle type anti-blowpipe (24), slewing gear (22), speed reducer (21) composition purified gas whistle type from reverse gas cleaning
The cooperative ash removal method of system, i.e. high pressure nitrogen pulse dust cleaning+purified gas whistle type are clear in blowback from reverse gas cleaning mode
While bag, the vibration of dither gas is generated, its main feature is that pulsating vibration while guaranteeing effectively to purge filter bag, when blowback increase
Vibration frequency is added, vibration frequency is made to spread all over entire filter bag, achieved the purpose that dust layer is stripped first, and will not dust is complete
Full town dissipates, and in the time to one, the dust sedimentation peeled off, this dust stratification is peeled off, dust cohesion phenomenon, exists without dust is coagulated
Ash bucket is fallen into static balance time rapidly.The stabilization for ensuring that bag filter differential pressure, significantly improve life-span of the filter bag and
Ash-removal effect.
Dusty gas filter process: dusty gas enters filter chamber's upper space of shell, big partial size through deduster entrance
Dust under the influence of centrifugal force, separate, and moved along housing wall, gradually fall into ash bucket.Molecule is suspended in
It is diffused between the gap of filter bag by airflow distribution device even into filter chamber in gas, dust is delayed at filter bag appearance
Face, clean gas come together in top clean gas room through sack, are discharged by air outlet.With the progress of filtration, outside filter bag
The dust in face is more and more thicker, and resistance of the filter bag gradually increases, and deduster determines automatic control when resistance value pressure difference control system or definite value at this time
Device plays a role, and triggering electric-control system connects blowback air-flow, while pulse valve works, and generates the vibration of dither gas, passes through
Whistle type rotary pulse soot cleaning system makes resistance of the filter bag drop to certain numerical value: when resistance of the filter bag increases to about 800 ~ 1200Pa
When, then carry out clear bag work；Resistance of the filter bag is about 600 ~ 700Pa after clear bag.The filter bag that cleaning blows after managing is filtered again
Work, maintains the continuous work of deduster.The dust purged from filter bag is fallen into together with the crude particle dust of pre-separation
In ash bucket, it is discharged through unloading valve.
Deashing process: using high pressure nitrogen pulse dust cleaning+purified gas whistle type from reverse gas cleaning mode, in the clear bag of blowback
Meanwhile the vibration of dither gas is generated, its main feature is that pulsating vibration while guaranteeing effectively to purge filter bag, when blowback, increase
Vibration frequency, makes vibration frequency spread all over entire filter bag, achievees the purpose that dust layer is stripped first, and will not be the complete town of dust
It dissipates, in the time for giving one, the dust sedimentation peeled off, this dust stratification is peeled off, dust cohesion phenomenon, without solidifying dust in nature
Ash bucket is fallen into sedimentation time rapidly.
Claims (1)
1. a kind of whistle type rotary pulse bag filter, it is characterized in that by top cover (1), maintenance door (2), chamber structure air-purifying chamber
(3), cloth bag (4), frame (5), dust-laden filtration barrel body (6), air inlet mouthpiece (7), explosion-protection equipment (8), fixed frame (9), ash
Bucket support frame frame (10), ash bucket (12), manhole (13), unloading valve (14), unloads grey rapping apparatus at lower support frame (11)
(15), staircase (16), the summary of gas source inlet pipe and component (17), gas inclusion component (18), pulse spraying equipment (19), pulse are overhauled
Be blown outlet slightly and component (20), speed reducer (21), slewing gear (22), from coal gas blowback import (23), from coal gas
Whistle type anti-blowpipe (24), blowback purified gas outlet (25), purified gas outlet conduit (26), purified gas outlet header road (27),
High pressure blower (28) composition；If chamber structure air-purifying chamber (3), top cover (1) is installed on chamber structure air-purifying chamber (3), on top cover (1)
Equipped with maintenance door (2), in the intermediate aperture installation blowback purified gas outlet (25) of top cover (1), blowback purified gas exports (25) inner sleeve
It from coal gas whistle type anti-blowpipe (24), is connect from coal gas whistle type anti-blowpipe (24) with slewing gear (22), revolution transmission
Speed reducer (21) are housed at the top of device (22)；Gas inclusion component (18) front end is connect with gas source inlet pipeline (17), gas inclusion group
Part (18) rear end is connect with pulse spraying equipment (19), and pulse spraying equipment (19) divides into pulse jet export pipeline component (20)
It is connected to from coal gas whistle type anti-blowpipe (24)；Blowback purified gas outlet (25) is connect with high pressure blower (28) import, high-pressure blast
Machine (28) outlet is connect with purified gas outlet header road (27), purified gas outlet header road (27) is branched off into two-way pipeline: all the way
Connect the purified gas outlet conduit (26) of proprietor's gas holder, another way is connected to gas inlet (23), from gas inlet (23) with from coal
Port whistle type anti-blowpipe (24) connection；Chamber structure air-purifying chamber (3) sealed bottom connects dust-laden filtration barrel body (6), dust-laden filtering
Cylinder (6) is provided with cloth bag (4) and frame (5), and dust-laden filtration barrel body (6) outer wall is equipped with explosion-protection equipment (8), enters the wind mouthpiece
(7) it is mounted on dirt filtration barrel body (6) middle and upper part；Dust-laden filtration barrel body (6) is using fixed frame (9) and ash bucket braced frame (10)
Welding, ash bucket braced frame (10) are connect with lower support frame (11), and lower support frame lower end and ground cement pedestal weld；Ash
Bucket (12) is mounted on ash bucket braced frame (10) above, and ash bucket (12) lower part is equipped with maintenance (13) and unloads grey rapping apparatus (15),
Ash bucket (12) bottom is then unloading valve (14)；Maintenance staircase (16) lower end is fixed on ground cement pedestal, is successively up distinguished
It is fixed on ash bucket braced frame (10) and fixed frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045225.1A CN109603399A (en) | 2019-01-17 | 2019-01-17 | A kind of whistle type rotary pulse bag filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045225.1A CN109603399A (en) | 2019-01-17 | 2019-01-17 | A kind of whistle type rotary pulse bag filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109603399A true CN109603399A (en) | 2019-04-12 |
Family
ID=66019941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910045225.1A Pending CN109603399A (en) | 2019-01-17 | 2019-01-17 | A kind of whistle type rotary pulse bag filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109603399A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833729A (en) * | 2019-12-02 | 2020-02-25 | 武汉淡蓝环保科技开发有限公司 | Bag type dust collector for preventing ash from bridging for waste incineration treatment |
| CN113976540A (en) * | 2021-05-19 | 2022-01-28 | 重庆工程职业技术学院 | Dust collector of cylindric sack |
| CN116870602A (en) * | 2023-07-10 | 2023-10-13 | 湖南远东机械制造股份有限公司 | A cylindrical pulse pleated bag dust collector |
-
2019
- 2019-01-17 CN CN201910045225.1A patent/CN109603399A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833729A (en) * | 2019-12-02 | 2020-02-25 | 武汉淡蓝环保科技开发有限公司 | Bag type dust collector for preventing ash from bridging for waste incineration treatment |
| CN110833729B (en) * | 2019-12-02 | 2021-04-13 | 南通凌志环保科技有限公司 | Bag type dust collector for preventing ash from bridging for waste incineration treatment |
| CN113976540A (en) * | 2021-05-19 | 2022-01-28 | 重庆工程职业技术学院 | Dust collector of cylindric sack |
| CN113976540B (en) * | 2021-05-19 | 2023-10-13 | 重庆工程职业技术学院 | A dust removal device for cylindrical bags |
| CN116870602A (en) * | 2023-07-10 | 2023-10-13 | 湖南远东机械制造股份有限公司 | A cylindrical pulse pleated bag dust collector |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190412 |