CN109647069B - Self-cleaning dust filtering device for filter screen - Google Patents
Self-cleaning dust filtering device for filter screen Download PDFInfo
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- CN109647069B CN109647069B CN201910101465.9A CN201910101465A CN109647069B CN 109647069 B CN109647069 B CN 109647069B CN 201910101465 A CN201910101465 A CN 201910101465A CN 109647069 B CN109647069 B CN 109647069B
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- filtering
- filter
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- chambers
- cylindrical cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a filter screen self-cleaning dust filtering device, which comprises a shell, wherein the shell is provided with a cylindrical cavity with a vertical axis and a plurality of vertically arranged cylindrical filtering chambers which are arranged above the cylindrical cavity and communicated with the cylindrical cavity, the plurality of filtering chambers are uniformly distributed along an arc coaxial with the cylindrical cavity, and a filter screen arranged at the inner side of the filtering chambers is arranged on the shell; the area of any filter chamber above the filter screen is communicated with the area of one adjacent filter chamber below the filter screen, so that the filter chambers are communicated in sequence; the shell is provided with an air inlet and an air outlet which are respectively communicated with the filtering chambers arranged at the two ends of the distribution circular arc, so that any one of the filtering chambers has an air flow direction from bottom to top; a rotary disc is arranged in the cylindrical cavity, and a through hole corresponding to any one of the filter chambers is formed in the rotary disc; the shell is provided with sewage draining holes which are vertically arranged below the rotary table, and the sewage draining holes are arranged on the distribution circumference of the filtering chambers and do not overlap with any filtering chamber; the shell is provided with a motor which is in transmission connection with the turntable.
Description
Technical Field
The invention relates to the technical field of dust treatment, in particular to a filter device for self-cleaning dust of a filter screen.
Background
In the processes of object burning, mining production, mechanical processing and the like, various dusts such as smoke dust, mine dust, powder and the like can be generated, and if the dusts are not treated, the dusts can greatly affect the health and living environment of human beings, animals and plants; the dust removal method that has more adopted at present utilizes equipment such as sack cleaner, cyclone to introduce the dust into the container and filters and accomplish, and this type of equipment technique is comparatively mature, and the filter effect can satisfy actual demand basically, nevertheless because it adopts mostly filters the mode of subsiding, after the dust subsides, because the air current constantly pours into, can cause the dust particle that the container bottom has subsided to be disturbed by the air current and mixed flow once more, makes the dust density in the container increase gradually, easily blocks the filter screen, reduces filtration efficiency.
Disclosure of Invention
Aiming at the situation, in order to make up for the technical defects in the prior art, the invention provides a filter screen self-cleaning dust filtering device, which aims to solve the problem of secondary mixed flow in the dust filtering process.
The technical scheme for solving the problem is as follows: the filter comprises a shell, wherein the shell is provided with a cylindrical cavity with a vertical axis and a plurality of vertically arranged cylindrical filter chambers which are arranged above the cylindrical cavity and communicated with the cylindrical cavity, the plurality of filter chambers are uniformly distributed along an arc coaxial with the cylindrical cavity, and the shell is provided with a horizontally arranged filter screen arranged at the inner side of the filter chambers; the area of any filter chamber above the filter screen is communicated with the area of the filter chamber adjacent to one side below the filter screen, and the area of any filter chamber below the filter screen is communicated with the area of the filter chamber adjacent to the other side above the filter screen, so that the filter chambers are sequentially communicated in series to form a multi-stage filter system; the shell is provided with an air inlet hole and an air outlet hole, the air inlet hole and the air outlet hole are respectively communicated with the filtering chambers arranged at two ends of the distribution circular arc of the plurality of filtering chambers, so that any one of the filtering chambers is in a downward-upward airflow direction, dust is guaranteed to be blocked below the filtering screens and falls down smoothly, and the filtering effects of the plurality of filtering screens are sequentially enhanced along the air inlet direction to realize graded filtering; the cylindrical cavity is internally provided with a rotatable turntable which is coaxially corresponding to the cylindrical cavity and has the same height, and the turntable is provided with a through hole which is coaxially corresponding to any one of the filter chambers; the shell is provided with sewage draining holes vertically arranged below the rotary table, the sewage draining holes are arranged on the distribution circumference of the filtering chambers and do not vertically correspond to or overlap with any one of the filtering chambers, and when the rotary table rotates, the sewage draining holes can be coaxially communicated with the through holes; the shell is provided with a motor which is in transmission connection with the turntable.
The invention can discharge the dust-containing gas after being filtered and purified step by step, and the settled dust particles are continuously transferred to the sewage discharge hole to be discharged, thereby ensuring the timely and effective isolation of the settled substance and the dust-containing gas, avoiding the remixing of the settled particles, and obviously improving the filtering effect and the filtering efficiency; the invention utilizes the scraper to clean the filter screen in real time so as to ensure the effective filtering capacity of the filter screen and avoid the blockage caused by the accumulation of dust particles below the filter screen.
The invention can discharge the dust-containing gas after being filtered and purified, and the settled dust particles are continuously transferred to the sewage discharge hole to be discharged, thereby ensuring the timely and effective isolation of the settled substance and the dust-containing gas, avoiding the remixing of the settled particles, and obviously improving the filtering effect and the filtering efficiency; the invention utilizes the dust removing shovel to scrape and clean the through hole and the sewage discharge hole, can ensure the effective volume of the through hole and avoid the dust particles from being accumulated in the arc-shaped cavity to cause blockage.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view a-a of the present invention.
Fig. 4 is a sectional view taken along line B-B of fig. 2 according to the present invention.
Fig. 5 is a cross-sectional view taken along line C-C of fig. 2 in accordance with the present invention.
Fig. 6 is a perspective cross-sectional view of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the invention comprises a housing 1, wherein the housing 1 is provided with a cylindrical cavity 2 with a vertical axis and a plurality of vertically arranged cylindrical filter chambers 3 which are arranged above the cylindrical cavity 2 and communicated with the cylindrical cavity 2, the plurality of filter chambers 3 are uniformly distributed along an arc coaxial with the cylindrical cavity 2, and the housing 1 is provided with a horizontally arranged filter screen 4 arranged inside the filter chambers 3; the area of any filter chamber 3 above the filter screen 4 is communicated with the area of the filter chamber 3 adjacent to one side below the filter screen 4, and the area of any filter chamber 3 below the filter screen 4 is communicated with the area of the filter chamber 3 adjacent to the other side above the filter screen 4, so that the filter chambers 3 are sequentially communicated in series to form a multi-stage filter system; the shell 1 is provided with an air inlet 5 and an air outlet 6, the air inlet 5 and the air outlet 6 are respectively communicated with the filtering chambers 3 arranged at two ends of the distribution circular arc of the plurality of filtering chambers 3, so that any one of the filtering chambers 3 has a downward-upward airflow trend, dust is prevented from being retained below the filtering screens 4 and smoothly falls, and the filtering effects of the plurality of filtering screens 4 are sequentially enhanced along the air inlet direction to realize graded filtering; a rotatable turntable 7 which is coaxially corresponding to the cylindrical cavity 2 and has the same height and is matched with the cylindrical cavity 2 is arranged in the cylindrical cavity 2, and a vertical through hole 8 which is coaxially corresponding to any one of the filter chambers 3 is formed in the turntable 7; the shell 1 is provided with a sewage draining hole 9 vertically arranged below the rotary table 7, the sewage draining hole 9 is arranged on the distribution circumference of the filter chambers 3 and does not vertically correspond to or overlap any one of the filter chambers 3, and when the rotary table 7 rotates, the sewage draining hole 9 can be coaxially communicated with the through hole 8; the shell 1 is provided with a motor 10 which is in transmission connection with the rotating disc 7.
Preferably, the casing 1 is provided with a scraper 11 which is in contact with the lower end surface of the filter screen 4 and rotates along the axis of the filter chamber 3, the scraper 11 is in transmission connection with the motor 10, and the scraper 11 rotates along with the motor 10 in real time to ensure that dust accumulated on the filter screen 4 is removed in time.
Preferably, the housing 1 is provided with a rotatable retainer 12 which is arranged at the lower end of the filtering chamber 3 and is coaxial with the filtering chamber 3, the retainer 12 is connected with the scraper 11 through a vertical shaft 13 so as to enable the retainer and the scraper to rotate simultaneously, the housing 1 is provided with a sun gear 14 which is coaxially connected with the motor 10 and a planet gear 15 which is coaxially connected with the retainer 12, and the sun gear 14 is meshed with the planet gear 15; and performing shaft seal treatment between the retainer 12 and the shell 1.
Preferably, the end face of the rotating disc 7 is in contact type sealing with the end face of the cylindrical cavity 2.
Preferably, the through holes 8 are distributed along the circumference of the axis of the rotating disc 7, the distribution intervals of the through holes 8 are the same as the distribution intervals of the filtering chambers 3, so that when the rotating disc 7 rotates, a part of the through holes 8 can be coaxially corresponding to the filtering chambers 3 one by one, and one through hole 8 can be coaxially corresponding to the sewage draining hole 9.
Preferably, the housing 1 comprises an upper housing 101, a middle housing 102 and a lower housing 103, and the upper housing 101, the middle housing 102 and the lower housing 103 are sequentially connected through flanges; the cylindrical cavity 2 and the rotary table 7 are arranged on the middle shell 102, the filter chamber 3, the filter screen 4, the air inlet 5 and the air outlet 6 are arranged on the upper shell 101, and the sewage discharge hole 9 and the motor 11 are arranged on the lower shell 103.
Preferably, the present invention further comprises a bracket 16, and the housing 1 is disposed on the bracket 16.
When the dust-containing gas filter is used, the motor 10 is started to enable the rotary disc 7 to rotate at a slower speed, dust-containing gas is introduced into the filter chamber 3 through the gas inlet 5, the dust-containing gas sequentially passes through the filter chambers 3 which are connected in series and is filtered from bottom to top through the filter screens 4, in the process, the dust-containing gas is filtered and purified step by the plurality of filter screens 4, dust particles with larger volume impact the filter screens 4 to be rebounded and fall into the through holes 8 downwards, one part of particles with smaller volume is rebounded and then falls off, and the other part of particles with smaller volume is accumulated on the surface of the filter screens 4 and then gradually increases in weight and falls off; the purified gas is discharged through the exhaust hole 6.
In the process of filtering the dust-containing gas, because the plurality of filter screens 4 have the filtering function which is enhanced step by step, the generated filtering effect is more obvious and is faster than the single-stage filtering speed, and the filter screens 4 are not easy to be blocked in the gas filtering direction from bottom to top; simultaneously, because the continuous rotation of carousel 7, the continuous cyclic variation of through hole 8 that corresponds with filter chamber 3, and different through hole 8 corresponds with blowoff hole 9 circulation in proper order, makes the dust granule of gathering in the through hole 8 discharge through blowoff hole 9, not only can collect impurity in time, can also realize filtering process and the isolation of blowoff process, effectively avoids the dust granule of gathering to be mixed by the secondary that the air current disturbance produced, further improves the filter effect.
In addition, during the operation of the motor 10, the scraper 11 rotates through the transmission mechanism formed by the sun gear 14, the planet gear 15, the retainer 12 and the vertical shaft, and the scraper 11 continuously rubs with the lower end surface of the filter screen 4 during the rotation process to scrape off dust particles blocked on the filter screen 4; in order to further improve the screen cleaning effect, a brush may be provided on the scraper 11, and the retained particles on the screen 4 may be peeled off by the brush.
The invention has compact structure and simple operation, the dust-containing gas is discharged after being filtered and purified step by step, and the settled dust particles are continuously transferred to the sewage discharge hole to be discharged along with the movement of the through holes, thereby ensuring the timely and effective isolation of the settled substances and the dust-containing gas, avoiding the air flow disturbance to mix the settled particles and the dust-containing gas again, and obviously improving the filtering effect and the filtering efficiency.
In addition, the scraper plate is used for continuously cleaning the filter screen in the using process of the filter screen cleaning machine, so that the effective gas passing rate of the filter screen is ensured, and the phenomenon that dust particles are gathered below the filter screen to be blocked due to the fact that more impurities are accumulated on the filter screen to influence the effective filtering amount of the filter screen is avoided.
Claims (5)
1. A self-cleaning dust filtering device for a filter screen comprises a shell (1) and is characterized in that the shell (1) is provided with a cylindrical cavity (2) with a vertical axis and a plurality of vertically arranged cylindrical filtering chambers (3) which are arranged above the cylindrical cavity (2) and communicated with the cylindrical cavity (2), the plurality of filtering chambers (3) are uniformly distributed along an arc coaxial with the cylindrical cavity (2), and the shell (1) is provided with the filter screen (4) arranged on the inner side of the filtering chambers (3); the area of any filtering chamber (3) above the filtering screen (4) is communicated with the area of the filtering chamber (3) adjacent to one side below the filtering screen (4), and the area of any filtering chamber (3) below the filtering screen (4) is communicated with the area of the filtering chamber (3) adjacent to the other side above the filtering screen (4); the shell (1) is provided with an air inlet (5) and an air outlet (6), the air inlet (5) and the air outlet (6) are respectively communicated with the filtering chambers (3) arranged at the two ends of the distribution circular arc, so that any one of the filtering chambers (3) has an air flow direction from bottom to top; a rotary table (7) which is coaxially matched with the cylindrical cavity (2) is arranged in the cylindrical cavity (2), and a vertical through hole (8) corresponding to any one of the filter chambers (3) is formed in the rotary table (7); the shell (1) is provided with a sewage draining hole (9) arranged below the rotary disc (7), the sewage draining hole (9) does not vertically correspond to or overlap with any one of the filter chambers (3), and when the rotary disc (7) rotates, the sewage draining hole (9) is coaxially communicated with the through hole (8); the shell (1) is provided with a motor (10) which is in transmission connection with the turntable (7);
the end surface of the rotary disc (7) is in contact sealing with the end surface of the cylindrical cavity (2);
the through holes (8) are distributed along the axis circumference of the rotating disc (7), and the distribution intervals of the through holes (8) are the same as those of the filtering chambers (3).
2. A filter screen self-cleaning dust filter device according to claim 1, wherein the housing (1) is provided with a scraper (11) which contacts with the lower end surface of the filter screen (4) and rotates along the axis of the filter chamber (3), and the scraper (11) is in transmission connection with the motor (10).
3. A filter screen self-cleaning dust filter device according to claim 2, characterized in that the housing (1) is provided with a rotatable holder (12) which is arranged at the lower end of the filter chamber (3) and is coaxial with the filter chamber (3), the holder (12) is connected with the scraper (11) via a vertical shaft (13), the housing (1) is provided with a sun wheel (14) which is coaxial with the motor (10) and a planet wheel (15) which is coaxial with the holder (12), and the sun wheel (14) is meshed with the planet wheel (15).
4. The filter screen self-cleaning dust filtering device according to claim 1, wherein the housing (1) comprises an upper housing (101), a middle housing (102) and a lower housing (103), and the upper housing (101), the middle housing (102) and the lower housing (103) are sequentially connected through flanges; the cylindrical cavity (2) and the rotary disc (7) are arranged on the middle shell (102), the filtering chamber (3), the filtering net (4), the air inlet hole (5) and the air outlet hole (6) are arranged on the upper shell (101), and the sewage draining hole (9) and the motor (10) are arranged on the lower shell (103).
5. The filter screen self-cleaning dust filter device according to claim 1, further comprising a bracket (16), wherein the housing (1) is placed on the bracket (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101465.9A CN109647069B (en) | 2019-01-31 | 2019-01-31 | Self-cleaning dust filtering device for filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101465.9A CN109647069B (en) | 2019-01-31 | 2019-01-31 | Self-cleaning dust filtering device for filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109647069A CN109647069A (en) | 2019-04-19 |
| CN109647069B true CN109647069B (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101465.9A Active CN109647069B (en) | 2019-01-31 | 2019-01-31 | Self-cleaning dust filtering device for filter screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN109647069B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB768918A (en) * | 1954-05-07 | 1957-02-20 | Henry Johnson Hersey Jr | Improvements in or relating to gas filters |
| KR20030053785A (en) * | 2001-12-24 | 2003-07-02 | 주식회사 포스코 | A Dust Removing Equipment of Dust Collection Filter |
| CN104958961A (en) * | 2015-05-26 | 2015-10-07 | 蚌埠市瑞风净化设备工程有限责任公司 | Automatic cleaning air purifying apparatus |
| CN108554108A (en) * | 2018-06-29 | 2018-09-21 | 靳瑞 | A kind of multistage filtering deduster |
| CN108854303A (en) * | 2018-06-29 | 2018-11-23 | 靳瑞 | Mechanical ash removing formula bag filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009038326A2 (en) * | 2007-09-21 | 2009-03-26 | Piezonics Co. Ltd. | Scrubber using mesh filter and apparatus for exhaust gas treatment in semiconductor fabrication equipments using the same |
| CN107626165A (en) * | 2017-11-17 | 2018-01-26 | 合肥合意环保机电装备制造有限公司 | A kind of rotary type efficient sack cleaner |
-
2019
- 2019-01-31 CN CN201910101465.9A patent/CN109647069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB768918A (en) * | 1954-05-07 | 1957-02-20 | Henry Johnson Hersey Jr | Improvements in or relating to gas filters |
| KR20030053785A (en) * | 2001-12-24 | 2003-07-02 | 주식회사 포스코 | A Dust Removing Equipment of Dust Collection Filter |
| CN104958961A (en) * | 2015-05-26 | 2015-10-07 | 蚌埠市瑞风净化设备工程有限责任公司 | Automatic cleaning air purifying apparatus |
| CN108554108A (en) * | 2018-06-29 | 2018-09-21 | 靳瑞 | A kind of multistage filtering deduster |
| CN108854303A (en) * | 2018-06-29 | 2018-11-23 | 靳瑞 | Mechanical ash removing formula bag filter |
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| Publication number | Publication date |
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| CN109647069A (en) | 2019-04-19 |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20210408 Address after: 325000 No.6 daizhai Road, Fengmen street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Cai Dexiu Address before: No.71 Zhongyuan West Road, Zhongyuan District, Zhengzhou City, Henan Province, 450000 Applicant before: Li Caihong |
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Effective date of registration: 20211013 Address after: 535000 room 506, No. 9 (innovation building), Longxiang Road, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Haiqing Energy Saving Technology Co.,Ltd. Address before: 325000 No.6 daizhai Road, Fengmen street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Cai Dexiu |
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Effective date of registration: 20211110 Address after: 535000 floor 1, standard plant 7, poverty alleviation and entrepreneurship Park, phase II, high tech Industrial Development Zone, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi haizhiyuan environmental protection equipment Co., Ltd Address before: 535000 room 506, No. 9 (innovation building), Longxiang Road, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Haiqing Energy Saving Technology Co., Ltd |