CN108176098A - A kind of automatic pollution removing filtering grid - Google Patents
A kind of automatic pollution removing filtering grid Download PDFInfo
- Publication number
- CN108176098A CN108176098A CN201810006339.0A CN201810006339A CN108176098A CN 108176098 A CN108176098 A CN 108176098A CN 201810006339 A CN201810006339 A CN 201810006339A CN 108176098 A CN108176098 A CN 108176098A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- link block
- fixed seat
- automatic pollution
- pollution removing
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 238000005202 decontamination Methods 0.000 claims abstract description 42
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 42
- 239000010865 sewage Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000002000 scavenging effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
- B01D2029/033—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting bar screens
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of automatic pollution removing filtering grids, including filtering surface, and the filtering surface is mounted on the water-fetching head position of conduit pipe, several filter hole are provided on the filtering surface, decontamination apparatus there are two being symmetrical arranged before the filtering surface, the decontamination apparatus includes the first fixed seat, and the top side of first fixed seat is provided with the first link block, and the side of first link block is provided with cross bar.Advantageous effect:Reasonable design, simple in structure, project cost is at low cost, operation and maintenance expense is relatively low, and the first effect grid clogging fetched water in untreated sewage source heat pump system is efficiently solved, so as to be effectively improved the ability of its primarily efficient filter, so as to significantly reduce upstream device decontamination pressure;Automatic pollution removing is realized simultaneously, the frequency of manual maintenance is reduced, improves the operational reliability of entire subsystem, so that it is more suitable for extensive use.
Description
Technical field
The present invention relates to technical field of ground source heat pump, it particularly relates to a kind of automatic pollution removing filtering grid.
Background technology
At present, in untreated sewage source heat pump system and engineering, sewage subsystem is the key that determine engineering success or not,
Since the water quality situation of native sewage water is complicated, rich in the dirty sundries that suspends, the blocking of heat transmission equipment is easily caused, therefore should in engineering
To the extraction of sewage and a technical barrier that can not avoid in sewage source heat pump engineering is treated as in.
Common technological means is in engineering, from trunk sewer transverse diversion, interrupts trunk canal, builds a water intaking Fang Han by laying bricks or stones,
It fetches water in Fang Hanzhong.Overanxious grid is just imitated in the water-fetching head setting of conduit pipe, to filter out the sundries of big dimension in sewage.
Then sewage is allowed to flow to the water treating pond specially built (buffer pool) by conduit pipe gravity, then at water treating pond (buffer pool)
In by submersible sewage pump by sewage lifting to heat pump computer room exchange heat use.
In the prior art, most engineering sets just effect grid in water-fetching head, to prevent first grid of imitating from blocking, generally
Using the coarse rack that pore size filter specification is larger, such as 80mm × 80mm.Even in this way, it still can occur just to imitate grid blocking
Phenomenon, it is often necessary to manually be cleared up, and increase downstream water treating pond (buffer pool) and deter the decontamination pressure of equipment.
Engineering setting mechanical grille in water treating pond (buffer pool) in part decontaminates, but the operating cost of this design is too high, economically
It is not feasible.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Invention content
For the problems in the relevant technologies, the present invention proposes a kind of automatic pollution removing filtering grid, to overcome existing related skill
Above-mentioned technical problem present in art.
The technical proposal of the invention is realized in this way:
A kind of automatic pollution removing filtering grid, including filtering surface, and the filtering surface is mounted on the water-fetching head of conduit pipe
Position is provided with several filter hole on the filtering surface, is symmetrical arranged that there are two decontamination apparatus, institutes before the filtering surface
It states decontamination apparatus and includes the first fixed seat, the top side of first fixed seat is provided with the first link block, and described first connects
The side for connecing block is provided with cross bar, the side of the cross bar and side far from first link block is provided with the second connection
Block, second link block are flexibly connected with the second fixed seat, and the two bottom sides of the cross bar are fixedly installed head rod,
The bottom of the head rod is provided with third link block, and the third link block is connect with driving motor, and described first is solid
The top side that the top opposite side of reservation is provided with the 4th link block is provided with the second connecting rod, and the one of second connecting rod
Side and the side of the 4th link block is provided with third connecting rod, the side of the third connecting rod is fixed with third
Seat, the crown center position of second connecting rod is fixedly installed the 4th connecting rod, the top side of the 4th connecting rod
The first connecting seat is provided with, support plate is provided at the top of first connecting seat, is provided at the top of the support plate several
Group decontamination plate, and the decontamination plate is close to the filtering surface, the top side of the support plate and separate first connecting seat
Side be provided with the second connecting seat, the bottom of second connecting seat is provided with the 5th connecting rod, the 5th connecting rod
Bottom is fixedly installed the 6th connecting rod, and the side of the 6th connecting rod is provided with the 5th link block, and the 5th connection
It the side of block and is connect far from the side of the 6th connecting rod with the side of second fixed seat, the 6th connecting rod
Opposite side is provided with the 7th connecting rod, and the side of the 7th connecting rod and the side far from the 6th connecting rod are provided with the
Four fixed seats.
Further, it is flexibly connected between the connecting rod by first rotating shaft.
Further, first link block and second link block are connect with the 4th link block and the described 5th
It is fixedly connected between block by the second shaft.
Further, to be staggered between the decontamination apparatus.
Further, the side of the decontamination plate is both provided with harrow nail, and the direction of the harrow nail and the decontamination apparatus
The direction of motion it is identical.
Further, the side of the decontamination plate is both provided with harrow nail, and the direction of the harrow nail and the decontamination apparatus
The direction of motion it is identical.
Further, first fixed seat, second fixed seat, the third fixed seat and the 4th fixed seat
It is fixed by screws on the wall of water-fetching head position of the conduit pipe.
Further, the decontamination filtering grid can be rectangular configuration or circular configuration.
Further, the driving motor is frequency control motor.
Further, the driving motor is fixed on the wall of the water-fetching head position of the conduit pipe by fixed frame
Outside.
Beneficial effects of the present invention:Reasonable design, simple in structure, project cost is at low cost, and operation and maintenance expense is relatively low,
And the first effect grid clogging fetched water in untreated sewage source heat pump system is efficiently solved, at the beginning of being effectively improved it
The ability of filtering is imitated, so as to significantly reduce upstream device decontamination pressure;Automatic pollution removing is realized simultaneously, reduces manual maintenance
Frequency, the operational reliability of entire subsystem is improved, so that it is more suitable for extensive use.
In addition, by being both provided with harrow nail in the side of decontamination plate, so as to be effectively improved its scavenging effect;Passing through will
The driving motor is set as frequency control motor so that it can control its rotating speed by manual adjustment, so that can
Speed change decontamination is carried out with number according to sundries, so as to efficiently avoid being brought not due to it keeps high rotating speed for a long time
Necessary waste, so that it has effectively saved the energy.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structure diagram of the decontamination apparatus of automatic pollution removing filtering grid according to embodiments of the present invention;
Fig. 2 is a kind of structure diagram of automatic pollution removing filtering grid according to embodiments of the present invention.
In figure:
1st, filtering surface;2nd, filter hole;3rd, decontamination apparatus;4th, the first fixed seat;5th, the first link block;6th, cross bar;7th, second
Link block;8th, the second fixed seat;9th, head rod;10th, third link block;11st, driving motor;12nd, the 4th link block;13、
Second connecting rod;14th, third connecting rod;15th, third fixed seat;16th, the 4th connecting rod;17th, the first connecting seat;18th, support plate;
19th, plate is decontaminated;20th, harrow nail;21st, the second connecting seat;22nd, the 5th connecting rod;23rd, the 6th connecting rod;24th, the 5th link block;25、
Seven connecting rods;26th, the 4th fixed seat;27th, first rotating shaft;28th, the second shaft.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, a kind of automatic pollution removing filtering grid is provided.
As shown in Figs. 1-2, a kind of automatic pollution removing filtering grid according to embodiments of the present invention, including filtering surface 1, and it is described
Filtering surface 1 is mounted on the water-fetching head position of conduit pipe, several filter hole 2, the filtering are provided on the filtering surface 1
It is symmetrical arranged before face 1 there are two decontamination apparatus 3, the decontamination apparatus 3 includes the first fixed seat 4, first fixed seat 4
Top side be provided with the first link block 5, the side of first link block 5 is provided with cross bar 6, the side of the cross bar 6
And the side far from first link block 5 is provided with the second link block 7,7 and second fixed seat of the second link block, 8 activity
Connection, the two bottom sides of the cross bar 6 are fixedly installed head rod 9, and the bottom of the head rod 9 is provided with third
Link block 10, the third link block 10 are connect with driving motor 11, and the top opposite side of first fixed seat 4 is provided with
The top side of four link blocks 12 is provided with the second connecting rod 13, and the side of second connecting rod 13 and the separate described 4th connect
The side for connecing block 12 is provided with third connecting rod 14, side and the third fixed seat 15 of the third connecting rod 14, and described second
The crown center position of connecting rod 13 is fixedly installed the 4th connecting rod 16, and the top side of the 4th connecting rod 16 is provided with
First connecting seat 17, the top of first connecting seat 17 is provided with support plate 18, if the top of the support plate 18 is provided with
A dry group decontamination plate 19, and the decontamination plate 19 is close to the filtering surface 1, the top side of the support plate 18 and far from described the
The side of a connecting seat 17 is provided with the second connecting seat 21, and the bottom of second connecting seat 21 is provided with the 5th connecting rod 22,
The bottom of 5th connecting rod 22 is fixedly installed the 6th connecting rod 23, and the side of the 6th connecting rod 23 is provided with the 5th
Link block 24, and the side of the 5th link block 24 and the side far from the 6th connecting rod 23 and second fixed seat
8 side connection, the opposite side of the 6th connecting rod 23 are provided with the 7th connecting rod 25, the side of the 7th connecting rod 25
And the side far from the 6th connecting rod 23 is provided with the 4th fixed seat 26.
By means of above-mentioned technical proposal, switched by the control for opening driving motor 11, so that 11 band of driving motor
Dynamic third link block 10 rotates, so that head rod 9 drives cross bar 6 to rotate, so that the 4th link block 12 and the
Five link blocks 24 drive the second connecting rod 13 and the 6th connecting rod 23 to move respectively, so that the 4th connecting rod 16 and the 5th connects
Extension bar 22 drives support plate 18 to move back and forth simultaneously, so that its decontamination plate 19 can be to the outstanding of the attaching on filtering surface 1
It hangs dirt and soft dirt strikes off, while the dirt removed can be washed away again by the flow in trunk canal, realize the technology effect of primarily efficient filter
Fruit;Reasonable design of the present invention, simple in structure, project cost is at low cost, and operation and maintenance expense is relatively low, and efficiently solves original
The first effect grid clogging fetched water in crude sewage source heat pump system, so as to be effectively improved the ability of its primarily efficient filter, from
And significantly reduce upstream device decontamination pressure;Automatic pollution removing is realized simultaneously, the frequency of manual maintenance is reduced, improves whole
The operational reliability of a subsystem, so that it is more suitable for extensive use.
In addition, it is flexibly connected between the connecting rod by first rotating shaft 27, first link block 5 and described second
It is fixedly connected between link block 7 and the 4th link block 12 and the 5th link block 24 by the second shaft 28, it is described
To be staggered between decontamination apparatus 3, the side of the decontamination plate 19 is both provided with harrow nail 20, and the direction of the harrow nail 20 with
The direction of motion of the decontamination apparatus 3 is identical, is fixed between the main shaft of the driving motor 11 and the third link block 10
Connection, first fixed seat 4, second fixed seat 8, the third fixed seat 15 and the 4th fixed seat 26 pass through
Screw is fixed on the wall of water-fetching head position of the conduit pipe, and the decontamination filtering grid can be rectangular configuration or circle
Shape structure, the driving motor 11 are frequency control motor, and the driving motor 11 is fixed on the aqueduct by fixed frame
The outside of the wall of the water-fetching head position in road, by being both provided with harrow nail 20 in the side of decontamination plate 19, so as to effectively carry
Its high scavenging effect;By the way that the driving motor 11 is set as frequency control motor so that it can pass through manual adjustment
Control its rotating speed so that according to sundries number carry out speed change decontamination, so as to efficiently avoiding growing because of it
The unnecessary waste that time keeps high rotating speed and brings, so that it has effectively saved the energy.
In conclusion by means of the above-mentioned technical proposal of the present invention, reasonable design is simple in structure, and project cost is at low cost,
Operation and maintenance expense is relatively low, and efficiently solves the first effect grid clogging fetched water in untreated sewage source heat pump system,
So as to be effectively improved the ability of its primarily efficient filter, so as to significantly reduce upstream device decontamination pressure;It realizes simultaneously
Automatic pollution removing reduces the frequency of manual maintenance, improves the operational reliability of entire subsystem, so that it is more suitable for wide
General application.
In addition, by being both provided with harrow nail 20 in the side of decontamination plate 19, so as to be effectively improved its scavenging effect;It is logical
It crosses and the driving motor 11 is set as frequency control motor so that it can control its rotating speed by manual adjustment, so as to
Allow to carry out speed change decontamination according to the number of sundries, so as to efficiently avoid the band when it keeps high rotating speed for a long time
The unnecessary waste come, so that it has effectively saved the energy.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of automatic pollution removing filtering grid is automatic, which is characterized in that including filtering surface (1), and the filtering surface (1) is mounted on
The water-fetching head position of conduit pipe, is provided with several filter hole (2) on the filtering surface (1), before the filtering surface (1)
Face is symmetrically arranged with two decontamination apparatus (3), and the decontamination apparatus (3) includes the first fixed seat (4), first fixed seat
(4) top side is provided with the first link block (5), and the side of first link block (5) is provided with cross bar (6), the horizontal stroke
The side of bar (6) and the side of first link block (5) is provided with the second link block (7), second link block (7)
It being flexibly connected with the second fixed seat (8), the two bottom sides of the cross bar (6) are fixedly installed head rod (9), and described first
The bottom of connecting rod (9) is provided with third link block (10), and the third link block (10) connect with driving motor (11), described
The top side that the top opposite side of first fixed seat (4) is provided with the 4th link block (12) is provided with the second connecting rod (13),
The side of second connecting rod (13) and the side of the 4th link block (12) is provided with third connecting rod (14), institute
The side of third connecting rod (14) and third fixed seat (15) are stated, the crown center position of second connecting rod (13), which is fixed, to be set
It is equipped with the 4th connecting rod (16), the top side of the 4th connecting rod (16) is provided with the first connecting seat (17), and described first
Support plate (18) is provided at the top of connecting seat (17), several groups of decontamination plates (19) are provided at the top of the support plate (18),
And the decontamination plate (19) is close to the filtering surface (1), the top side of the support plate (18) and separate described first connection
The side of seat (17) is provided with the second connecting seat (21), and the bottom of second connecting seat (21) is provided with the 5th connecting rod
(22), the bottom of the 5th connecting rod (22) is fixedly installed the 6th connecting rod (23), and the one of the 6th connecting rod (23)
Side is provided with the 5th link block (24), and the side of the 5th link block (24) and far from the 6th connecting rod (23) one
Side is connect with the side of second fixed seat (8), and the opposite side of the 6th connecting rod (23) is provided with the 7th connecting rod
(25), the side of the 7th connecting rod (25) and the side of the 6th connecting rod (23) is provided with the 4th fixed seat
(26)。
2. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that pass through between the connecting rod
First rotating shaft (27) is flexibly connected.
3. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that first link block (5) and
Pass through the second shaft between second link block (7) and the 4th link block (12) and the 5th link block (24)
(28) it is fixedly connected.
4. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that between the decontamination apparatus (3)
To be staggered.
A kind of 5. automatic pollution removing filtering grid according to claim 1, which is characterized in that the side of the decontamination plate (19)
Harrow nail (20) is both provided with, and the direction of the harrow nail (20) is identical with the direction of motion of the decontamination apparatus (3).
A kind of 6. automatic pollution removing filtering grid according to claim 1, which is characterized in that the master of the driving motor (11)
To be fixedly connected between axis and the third link block (10).
7. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that first fixed seat (4), institute
It states the second fixed seat (8), the third fixed seat (15) and the 4th fixed seat (26) and is fixed by screws in described draw
On the wall of the water-fetching head position of waterpipe.
8. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that it is described decontamination filtering grid can be
Rectangular configuration or circular configuration.
9. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that the driving motor (11) is becomes
Frequency modulation speed motor.
10. a kind of automatic pollution removing filtering grid according to claim 1, which is characterized in that the driving motor (11) is logical
Cross fixed frame be fixed on the conduit pipe water-fetching head position wall outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810006339.0A CN108176098A (en) | 2018-01-04 | 2018-01-04 | A kind of automatic pollution removing filtering grid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810006339.0A CN108176098A (en) | 2018-01-04 | 2018-01-04 | A kind of automatic pollution removing filtering grid |
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Publication Number | Publication Date |
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CN108176098A true CN108176098A (en) | 2018-06-19 |
Family
ID=62549728
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CN201810006339.0A Pending CN108176098A (en) | 2018-01-04 | 2018-01-04 | A kind of automatic pollution removing filtering grid |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2520327Y (en) * | 2002-01-18 | 2002-11-13 | 唐山市宇清环保机械有限公司 | Cascade grid dirt remover |
US20100147752A1 (en) * | 2008-12-17 | 2010-06-17 | Jarvis Jr Ernest | Automatic retractable screen system for storm drain inlets |
CN102553361A (en) * | 2010-12-30 | 2012-07-11 | 中国移动通信集团安徽有限公司 | Ventilating and filtering device capable of automatically dedusting and dedusting method |
CN202777985U (en) * | 2012-06-26 | 2013-03-13 | 绍兴市国富环保科技有限公司 | Grating cleaning machine |
KR20130096108A (en) * | 2012-02-21 | 2013-08-29 | 주식회사 엠에스테크 | Trash remover with sub-remover |
CN103520969A (en) * | 2012-07-05 | 2014-01-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Automatic decontamination filtering grating |
-
2018
- 2018-01-04 CN CN201810006339.0A patent/CN108176098A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2520327Y (en) * | 2002-01-18 | 2002-11-13 | 唐山市宇清环保机械有限公司 | Cascade grid dirt remover |
US20100147752A1 (en) * | 2008-12-17 | 2010-06-17 | Jarvis Jr Ernest | Automatic retractable screen system for storm drain inlets |
CN102553361A (en) * | 2010-12-30 | 2012-07-11 | 中国移动通信集团安徽有限公司 | Ventilating and filtering device capable of automatically dedusting and dedusting method |
KR20130096108A (en) * | 2012-02-21 | 2013-08-29 | 주식회사 엠에스테크 | Trash remover with sub-remover |
CN202777985U (en) * | 2012-06-26 | 2013-03-13 | 绍兴市国富环保科技有限公司 | Grating cleaning machine |
CN103520969A (en) * | 2012-07-05 | 2014-01-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Automatic decontamination filtering grating |
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Application publication date: 20180619 |