CN220990051U - Cloth bag dust collector using negative pressure back blowing to remove ash - Google Patents
Cloth bag dust collector using negative pressure back blowing to remove ash Download PDFInfo
- Publication number
- CN220990051U CN220990051U CN202321964434.4U CN202321964434U CN220990051U CN 220990051 U CN220990051 U CN 220990051U CN 202321964434 U CN202321964434 U CN 202321964434U CN 220990051 U CN220990051 U CN 220990051U
- Authority
- CN
- China
- Prior art keywords
- dust
- blowing
- dust collection
- fixed frame
- bin
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 118
- 238000007664 blowing Methods 0.000 title claims abstract description 51
- 239000004744 fabric Substances 0.000 title claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a cloth bag dust removing device for removing dust by negative pressure back blowing, which comprises: a dust removal bin; the dust collection device comprises a dust collection bin, a fixed frame, a plurality of groups of partition plates, a plurality of groups of filter bags, a dust collection cavity and a plurality of groups of filter bags, wherein the fixed frame is arranged in the dust collection bin, the inner cavity of the dust collection bin is divided into a gas-purifying chamber and a dust-collecting chamber from top to bottom by the fixed frame, the middle part of the fixed frame is provided with a fixed shaft, the circumferential surface of the fixed shaft is provided with the plurality of groups of partition plates, the inner cavity of the fixed frame is divided into the plurality of groups of dust collection cavities, the dust collection cavities are internally provided with the filter bags, and the openings of the filter bags are communicated with the dust-collecting chamber.
Description
Technical Field
The utility model relates to the technical field of bag dust removal, in particular to a bag dust removal device for removing dust by negative pressure back blowing.
Background
The bag type dust collector is a dry dust filtering device; the dust collector is suitable for collecting fine, dry and non-fibrous dust, the filter bag is made of woven filter cloth or non-woven felt, the dust-containing gas is filtered by utilizing the filtering effect of the fiber fabric, and the bag type dust collector needs to be maintained regularly for carrying out back-blowing dust cleaning operation.
When the existing bag-type dust collector performs back-blowing dust removal operation of the filter bag, the dust removal effect of an online mode is often poor, so that the back-blowing dust removal of an offline mode is generally adopted. However, the off-line ash removal mode needs to stop the dust filtering function of a single bin of the dust remover, so that the load of other dust removing bins can be increased, the service life of a dust removing cloth bag is shortened, and the dust removing efficiency is reduced.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a cloth bag dust removing device for removing dust by negative pressure back blowing, which comprises the following specific technical scheme:
utilize sack dust collector of negative pressure back-blowing deashing, include:
A dust removal bin;
The fixed frame is arranged in the dust removal bin, the inner cavity of the dust removal bin is divided into a gas-purifying chamber and a dust gas chamber from top to bottom by the fixed frame, the middle part of the fixed frame is provided with a fixed shaft, the circumferential surface of the fixed shaft is provided with a plurality of groups of baffle plates, the inner cavity of the fixed frame is divided into a plurality of groups of dust removal cavities, the dust removal cavities are internally provided with filter bags, the openings of the filter bags are communicated with the dust gas chamber, and the top of the fixed frame is provided with a plurality of groups of through holes for communicating the dust removal cavities with the gas-purifying chamber;
the back-blowing assembly is rotationally arranged on the fixed frame;
The driving piece drives the back-blowing assembly to rotate, and the back-blowing assembly sequentially rotates to the through holes on the dust removing cavity so as to carry out back-blowing dust removal on the filter bag, wherein the rotating angle is an axle center included angle between two groups of adjacent through holes.
The back blowing assembly comprises a rotating pipe which is arranged at the top of the fixed frame in a rotating way, the top of the rotating pipe penetrates through the dust collection bin and extends to the outside of the dust collection bin, an induced draft pipe is inserted into the top of the rotating pipe in a rotating way, a trans-blowing pipe is arranged on the surface of the rotating pipe and located in the clean air chamber in a communicating way, an air outlet of the trans-blowing pipe corresponds to the position of the through hole, and a driving gear is fixedly sleeved on the surface of the rotating pipe and located outside the dust collection bin.
The driving piece comprises a support arranged on the dust removal bin, a rotating shaft is rotatably inserted on the support, a motor is arranged at the top of the rotating shaft, a sector gear is integrally formed on the surface of the rotating shaft, and the sector gear is meshed with the driving gear.
The surface of the rotating pipe is fixedly sleeved with a ratchet wheel below the driving gear, and the top of the dedusting bin is rotationally connected with a stop pawl matched with the ratchet wheel through a torsion spring.
The diameter of the bottom of the reverse blowing pipe is larger than that of the through hole.
The utility model has the beneficial effects that:
Starting the driving piece, the driving piece can drive the blowback subassembly to rotate for the air outlet of blowback subassembly can clear up the filter bag in every group dust removal cavity in proper order through the through-hole on the different dust removal cavities, and when the filter bag of clearance one of them dust removal cavity, the filter bag in several groups dust removal cavity can normally work in addition, does not disturb dust removal work, thereby can not reduce the efficiency of dust removal.
Drawings
FIG. 1 is a front view of the overall structure of the present utility model;
FIG. 2 is a top view of the attachment of the mounting frame to the back-blowing tube of the present utility model;
FIG. 3 is a top view of a mounting frame of the present utility model;
FIG. 4 is an enlarged block diagram of the portion A of FIG. 1 according to the present utility model;
FIG. 5 is a schematic view showing the engagement of the sector gear with the drive gear according to the present utility model;
FIG. 6 is a schematic view showing the connection of the ratchet and the stopping pawl according to the present utility model
Reference numerals: 10. a dust removal bin; 11. an exhaust pipe; 12. an air inlet pipe; 13. a dust air chamber; 14. a gas purifying chamber; 20. a filter bag; 30. a fixed frame; 31. a through hole; 32. a partition plate; 40. a rotary tube; 41. a reverse blowing pipe; 42. a drive gear; 43. a ratchet wheel; 44. a stopping pawl; 50. a rotating shaft; 51. a sector gear; 52. and a motor.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The cloth bag dust collector for removing ash by negative pressure back blowing comprises a dust removal bin 10; the dust removal device comprises a fixed frame 30, a dust removal bin 10 and a dust collection device, wherein the fixed frame 30 is arranged in the dust removal bin 10, the fixed frame 30 divides the inner cavity of the dust removal bin 10 into a gas-purifying chamber 14 and a dust-purifying chamber 13 from top to bottom, a fixed shaft is arranged in the middle of the fixed frame 30, a plurality of groups of partition plates 32 are arranged on the circumferential surface of the fixed shaft, the inner cavity of the fixed frame 30 is divided into a plurality of groups of dust removal cavities, filter bags 20 are arranged in the dust removal cavities, the openings of the filter bags 20 are communicated with the dust-purifying chamber 13, and a plurality of groups of through holes 31 for communicating the dust removal cavities with the gas-purifying chamber 14 are formed in the top of the fixed frame 30; the back-blowing assembly is rotatably arranged on the fixed frame 30; the driving piece drives the back-blowing assembly to rotate, and the back-blowing assembly sequentially rotates to the through holes 31 on the dust removing cavity so as to carry out back-blowing dust removal on the filter bag 20, wherein the rotating angle is an axis included angle between two groups of adjacent through holes 31.
The dust bin 10 is provided with the exhaust pipe 11 communicated with the air purifying chamber 14, the upper side wall of the dust bin 10 is provided with the air inlet pipe 12 communicated with the dust air chamber 13, the air to be dedusted enters the dust air chamber 13 of the dust bin 10 through the air inlet pipe 12, the air enters the filter bag through the opening of the filter bag 20, the air is filtered through the filter bag, the filtered air enters the air purifying chamber 14 through the through hole 31, and finally the air is discharged out of the dust bin 10 through the exhaust pipe 11, when the dust in the filter bag 20 is required to be cleaned, the driving piece is started, the driving piece can drive the blowback assembly to rotate, the air outlet of the blowback assembly can sequentially pass through the through holes 31 on different dust removing cavities, the filter bags 20 in each group of dust removing cavities can be cleaned in sequence, and when the filter bags 20 of one group of dust removing cavities are cleaned, the filter bags 20 in the other groups of dust removing cavities can work normally, the normal dust filtering operation is not disturbed, and therefore the dust filtering operation is not stopped, the dust removing efficiency is not reduced, the section of the fixing frame 30 is circular, the multiple groups of through holes 31 are uniformly distributed in annular equidistance.
In an embodiment, referring to fig. 1 and fig. 4, the blowback assembly includes a rotating tube 40 rotatably disposed at the top of the fixed frame 30, the top of the rotating tube 40 penetrates through the dust collection bin 10 and extends to the outside of the dust collection bin 10, an induced draft tube is rotatably inserted at the top of the rotating tube 40, a reverse blowing tube 41 is disposed on the surface of the rotating tube 40 and in the air purification chamber 14 in a connecting manner, an air outlet of the reverse blowing tube 41 corresponds to the position of the through hole 31, a driving gear 42 is fixedly sleeved on the surface of the rotating tube 40 and in the outside of the dust collection bin 10, specifically, the induced draft tube is communicated with the reverse blower, the induced draft tube directs the reverse blowing air flow into the rotating tube 40, the reverse blowing tube 41 flows through the rotating tube 40, and finally the air flow is blown into the dust collection cavity by the air outlet of the reverse blowing tube 41, during operation, the driving member drives the driving gear 42 to rotate through the rotating tube 40 to drive the reverse blowing tube 41 to perform circumferential motion, and the air outlet of the reverse blowing tube 41 can sequentially pass through groups of through holes 31, when the reverse blowing tube 41 is aligned with the through holes 31, and the reverse blowing tube 41 falls into the dust collection cavity 20, and the dust collection cavity 20 is changed, and the dust collection cavity is in the state of the filter bag is changed.
In order to make the trans-blowing pipe 41 reach the through hole 31 and stay for a period of time, refer to fig. 1, fig. 4 and fig. 5, the driving piece comprises a bracket arranged on the dust removal bin 10, a rotating shaft 50 is rotatably inserted on the bracket, a motor 52 is arranged at the top of the rotating shaft 50, a sector gear 51 is integrally formed on the surface of the rotating shaft 50, the sector gear 51 is meshed with the driving gear 42, specifically, the motor 52 is started, the motor 52 drives the sector gear 51 to rotate through the rotating shaft 50, when the sector gear 51 and the driving gear 42 are in a meshed state, the sector gear 51 drives the driving gear 42 to rotate, so that the trans-blowing pipe 41 moves from one group of through holes 31 to the other group of through holes 31, when the rotating shaft 50 drives the sector gear 51 to continue to rotate, so that the sector gear 51 and the driving gear 42 are not in a meshed state, and at the moment, the driving gear 42 does not rotate, so that the trans-blowing pipe 41 stays above the group of through holes 31, and the air flow can be continuously introduced into a dust removal cavity corresponding to the group of through holes 31, the filter bag is satisfied, and when the sector gear 51 and the driving gear 42 is not in a clockwise rotation with the filter bag 31, and the filter bag can not be driven to rotate clockwise again, and the filter bag 41 can not be cleaned, and the filter bag can be rotated in the same place or the position can be rotated, and the filter bag can be rotated and the counter-clockwise.
In order to avoid that the rotating tube 40 moves when the driving gear 42 is separated from the sector gear 51, referring to fig. 4 and 6, a ratchet wheel 43 is fixedly sleeved on the surface of the rotating tube 40 and below the driving gear 42, a stop pawl 44 matched with the ratchet wheel 43 is rotatably connected to the top of the dust removal bin 10 through a torsion spring, and the position of the ratchet wheel 43 is locked through the stop pawl 44, so that the ratchet wheel 43 can only rotate along the direction driven by the sector gear 51.
In order to avoid the gas overflowing from the through hole 31 in the cleaning process of the filter bag 20, referring to fig. 1, the diameter of the bottom of the back-blowing pipe 41 is larger than that of the through hole 31, and the back-blowing pipe 41 can completely cover the through hole 31, so that the gas overflowing is effectively avoided, and the cleaning effect of the filter bag 20 is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. Utilize sack dust collector of negative pressure back-blowing deashing, its characterized in that includes:
A dust removal bin (10);
The dust collection device comprises a fixed frame (30), a dust collection chamber (10) and a dust collection chamber (13), wherein the fixed frame (30) is arranged inside the dust collection chamber (10), the inner cavity of the dust collection chamber (10) is divided into a clean air chamber (14) and a dust air chamber (13) from top to bottom by the fixed frame (30), a fixed shaft is arranged in the middle of the fixed frame (30), a plurality of groups of partition plates (32) are arranged on the circumferential surface of the fixed shaft, the inner cavity of the fixed frame (30) is divided into a plurality of groups of dust collection cavities, filter bags (20) are arranged in the dust collection cavities, the openings of the filter bags (20) are communicated with the dust air chamber (13), and a plurality of groups of through holes (31) for communicating the dust collection cavities with the clean air chamber (14) are formed in the top of the fixed frame (30);
the back-blowing assembly is rotationally arranged on the fixed frame (30);
the driving piece drives the back-blowing assembly to rotate, and the back-blowing assembly sequentially rotates to the through holes (31) on the dust removing cavity so as to carry out back-blowing dust removal on the filter bag (20), and the rotating angle is the axis included angle between two groups of adjacent through holes (31).
2. The cloth bag dust removing device for removing dust by negative pressure back blowing according to claim 1, wherein: the back-blowing assembly comprises a rotating pipe (40) arranged at the top of the fixed frame (30), the top of the rotating pipe (40) penetrates through the dust collection bin (10) and extends to the outside of the dust collection bin (10), an air guiding pipe is rotationally inserted into the top of the rotating pipe (40), a trans-blowing pipe (41) is arranged on the surface of the rotating pipe (40) and located in the air purifying chamber (14), an air outlet of the trans-blowing pipe (41) corresponds to the position of the through hole (31), and a driving gear (42) is fixedly sleeved on the surface of the rotating pipe (40) and located outside the dust collection bin (10).
3. The cloth bag dust removing device for removing dust by negative pressure back blowing according to claim 2, wherein: the driving piece comprises a support arranged on the dust removal bin (10), a rotating shaft (50) is rotatably inserted on the support, a motor (52) is arranged at the top of the rotating shaft (50), a sector gear (51) is integrally formed on the surface of the rotating shaft (50), and the sector gear (51) is meshed with the driving gear (42).
4. The cloth bag dust collector using negative pressure back blowing for ash removal according to claim 3, wherein: the surface of the rotating tube (40) is fixedly sleeved with a ratchet wheel (43) below the driving gear (42), and the top of the dust removal bin (10) is rotationally connected with a stop pawl (44) matched with the ratchet wheel (43) through a torsion spring.
5. The cloth bag dust removing device for removing dust by negative pressure back blowing according to claim 2, wherein: the diameter of the bottom of the reverse blowing pipe (41) is larger than that of the through hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964434.4U CN220990051U (en) | 2023-07-25 | 2023-07-25 | Cloth bag dust collector using negative pressure back blowing to remove ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964434.4U CN220990051U (en) | 2023-07-25 | 2023-07-25 | Cloth bag dust collector using negative pressure back blowing to remove ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220990051U true CN220990051U (en) | 2024-05-24 |
Family
ID=91089308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321964434.4U Active CN220990051U (en) | 2023-07-25 | 2023-07-25 | Cloth bag dust collector using negative pressure back blowing to remove ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220990051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120054125A (en) * | 2025-04-25 | 2025-05-30 | 西安重型技术有限责任公司 | Energy-saving and environment-friendly pulse cloth bag dust collector |
| CN120618119A (en) * | 2025-06-21 | 2025-09-12 | 山东清然生物科技有限公司 | Honeycomb type dust filter for producing spunlaced non-woven fabrics |
-
2023
- 2023-07-25 CN CN202321964434.4U patent/CN220990051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120054125A (en) * | 2025-04-25 | 2025-05-30 | 西安重型技术有限责任公司 | Energy-saving and environment-friendly pulse cloth bag dust collector |
| CN120618119A (en) * | 2025-06-21 | 2025-09-12 | 山东清然生物科技有限公司 | Honeycomb type dust filter for producing spunlaced non-woven fabrics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220990051U (en) | Cloth bag dust collector using negative pressure back blowing to remove ash | |
| CN116688662A (en) | Air inlet pipe of bag-type dust collector and bag-type dust collector | |
| CN216259637U (en) | Special bag type dust collector for mine dust removal | |
| CN213492561U (en) | Bag-type dust collector | |
| CN119793080A (en) | A bag dust collector | |
| CN110652827B (en) | High-efficiency pulse type composite cloth bag dust remover | |
| CN110433576B (en) | A bag-type dust pelletizing system that mediation effect is good for air purification | |
| CN222841736U (en) | Cloth bag dust remover convenient to clean | |
| CN212309125U (en) | Pulse bag type dust collector for boiler | |
| CN221107487U (en) | Dust collector with filter core self-cleaning function | |
| CN215843588U (en) | Electrostatic adsorption pulse dust removal bag-type dust collector | |
| CN217855287U (en) | High-efficient pulsed sack cleaner | |
| CN112169471A (en) | Dust remover for waste gas treatment of glass cellar | |
| CN219539764U (en) | Automatic waste discharge device of waste gas dust remover | |
| CN214182227U (en) | Large-scale industrial dust collecting equipment | |
| CN116272218A (en) | Rotary switching type air flow ash removal bag type dust remover | |
| CN211189612U (en) | High-efficient pulsed compound sack cleaner | |
| CN215692502U (en) | Bag-type dust collector | |
| CN118179159B (en) | Back-suction ash-cleaning dust remover | |
| CN222076152U (en) | Self-cleaning cloth bag dust remover | |
| CN219149544U (en) | Large dust-removing filter bag chamber | |
| CN221618866U (en) | Cloth bag dust remover | |
| CN219399364U (en) | Chemical dust treatment device | |
| CN223505049U (en) | A high-power bag filter | |
| CN218516297U (en) | Pulse bag-type dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |