CN106836141B - Continuous flushing type water delivery open channel sewage blocking device - Google Patents
Continuous flushing type water delivery open channel sewage blocking device Download PDFInfo
- Publication number
- CN106836141B CN106836141B CN201710052191.XA CN201710052191A CN106836141B CN 106836141 B CN106836141 B CN 106836141B CN 201710052191 A CN201710052191 A CN 201710052191A CN 106836141 B CN106836141 B CN 106836141B
- Authority
- CN
- China
- Prior art keywords
- sprocket wheel
- chain
- traction
- frame
- barrier net
- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Housing For Livestock And Birds (AREA)
- Sewage (AREA)
Abstract
The present invention relates to a kind of continuous flushing type water delivery open channel sewage blocking devices comprising the first traction device that pontoon bridge, the fixed frame that pontoon bridge upper surface one end is arranged in, the sliding rack that the pontoon bridge upper surface other end is arranged in, the motor being arranged on fixed frame are connect with motor drive and the garbage barrier net piece being arranged on traction device;First traction device includes the sprocket wheel V that fixed frame upper end is arranged in, the sprocket wheel VI of fixed frame lower end is set, the sprocket wheel VII of sliding rack upper end is set, be arranged in sliding rack lower end sprocket wheel VIII and with the sprocket wheel V, sprocket wheel VII, sprocket wheel VI, the chain III that sprocket wheel VIII is separately connected, the output shaft of the sprocket wheel V and motor is sequentially connected, the garbage barrier net piece is suspended on chain III, the present invention is rotated by sprocket-driven chains, garbage barrier net piece automatic cycle is arranged on chain to carry out blocking dirty work, automatic realize blocks dirty work, save hand labor, dirty job costs are blocked in saving.
Description
Technical field
It is a kind of for intercepting algae and floating in water delivery open channel water the present invention relates to a kind of water delivery open channel sewage blocking device
Object and the automated machine device for realizing auto-flushing and decontamination.
Background technique
The maximum water channel diversion project in China --- project of South-to-North water diversion is just put into operation in succession, east line, middle line therein
Engineering comes into operation in succession, but in use, can breed some water plants, algae out in water, these sundries can be with
Water (flow) direction gradually flow to downstream, seriously pollute water quality.In response to this, two kinds be widely used at present block dirty mode
Are as follows: more piece pontoon bridge is linked together, across two dam body of water delivery open channel center and is swum on the water surface, in pontoon bridge width direction
Side is equipped with steelframe or resettlement groove.A kind of mode is that the upper end of several garbage barrier net pieces is successively hung directly from pontoon bridge with rope
Steelframe on, garbage barrier net piece in water carries out blocking dirt because of the impulse force of water flow in certain tilt angle;Another way be by
Several garbage barrier net pieces, which are sequentially inserted into, to carry out blocking dirt in the resettlement groove of pontoon bridge.At regular intervals, by manually dragging garbage barrier net piece
It is rinsed to specified place, again replaces garbage barrier net piece after the completion of rinsing.It needs to rush all garbage barrier net pieces every time
It washes one time, rinses four to five times daily, need 1-2 hour every time.Both modes take a lot of work, are time-consuming, is laborious, working efficiency
It is low, but also exist because mention net, it is off line continuous not in time due to caused by block the problems such as dirty less effective, while also because of pontoon bridge
There are security risks when so that staff working for shaking.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of continuous flushing type water delivery open channel sewage blocking devices, and the device is not
It only can efficiently block dirt, remove contamination, blowdown, but also human and material resources and financial resources can be reduced, greatly save operating cost.
The technical scheme adopted by the invention is that: a kind of continuous flushing type water delivery open channel sewage blocking device comprising pontoon bridge is set
Set pontoon bridge upper surface one end fixed frame, the pontoon bridge upper surface other end is set sliding rack, be arranged on fixed frame
Motor, the first traction device being connect with motor drive and the garbage barrier net piece being arranged on the first traction device.
First traction device of the present invention includes the sprocket wheel V that fixed frame upper end is arranged in, fixed frame lower end is arranged in
Sprocket wheel VI, the sprocket wheel VII that sliding rack upper end is set, the sprocket wheel VIII that sliding rack lower end is set and with the sprocket wheel V, sprocket wheel
VII, the output shaft of the chain III that sprocket wheel VI, sprocket wheel VIII are separately connected, the sprocket wheel V and motor is sequentially connected, the garbage barrier net
Piece is suspended on chain III.
The present invention is provided with the second traction device, second traction device and in the side of first traction device
One traction device structure is identical, and first traction device is connected with the second traction device by transmission device, the transmission
Device includes the chain wheel I being arranged on motor output shaft, the transmission shaft being arranged on fixed frame, the chain that transmission shaft one end is arranged in
Wheel II, the sprocket wheel III that the transmission shaft other end is set and the sprocket wheel being sequentially connected with the sprocket wheel V of the second traction device by axis
IV, the chain wheel II is sequentially connected with chain wheel I by chain I, and the sprocket wheel III is sequentially connected with sprocket wheel IV by chain II, institute
Garbage barrier net piece is stated to be arranged between two chains III.
The present invention is provided with guide rail on the pontoon bridge, and the sliding rack is arranged on guide rail, in the sliding rack
It is provided with tensioning apparatus, the tensioning apparatus includes that the drawing piece being fixedly connected with sliding rack, one end and the drawing piece are fixed
It the lead screw of connection and is fixed on pontoon bridge and the tensioning bracket in drawing piece side;It is provided on the tensioning bracket
Via hole, the other end of the lead screw pass through via hole and are connect by screw with tensioning bracket.
The present invention is provided with more than two axis of traction between two chains III, and axis of traction both ends are provided with guiding
Wheel is provided with corresponding main guide rail in the outside of two chains III, and the directive wheel is arranged in main guide rail.
Garbage barrier net piece of the present invention includes frame, the steel wire rack being arranged in frame and is arranged above frame and hangs down
Directly in the earrings set of frame, the garbage barrier net piece interleaved is arranged in III two sides of chain.
Garbage barrier net piece of the present invention includes frame, the steel wire rack being arranged in frame and is arranged above frame and hangs down
Directly in the earrings set of frame, the earrings set deviates the axial midpoint of earrings set with frames points, and the earrings set is nested with
On axis of traction, the earrings covers the positive and negative interval setting on axis of traction.
The invention also includes flusher, the flusher includes water collection sheet and hydraulic giant, the water collection sheet and hydraulic giant
It is separately positioned on garbage barrier net piece two sides.
The present invention is provided with blowdown apparatus below the flusher, and the blowdown apparatus includes being arranged under water collection sheet
Catch basin, the water pump being arranged in catch basin and the sewage pipe being connected with water pump of side, the catch basin are arranged in pontoon bridge
On.
The invention also includes control system, the control system is used to control the opening and closing of motor, hydraulic giant and water pump.
The positive effect of the present invention are as follows: the present invention is rotated by sprocket-driven chains, and garbage barrier net piece is arranged on chain certainly
Dynamic circulation carries out blocking dirty work, and automatic realize blocks dirty work, saves hand labor, and dirty job costs are blocked in saving.Sprocket wheel VII and chain
Wheel VIII is arranged in the adjustable sliding rack in position, and sliding rack connects tensioning apparatus, and the synchronous tension of chain III may be implemented;This
Invention is additionally provided with flusher, can be rinsed to garbage barrier net piece, meanwhile, blowdown dress is provided with below flusher
Set, can automatically sweep away the dirt of garbage barrier net on piece, be then discharged by blowdown apparatus, it is automatic realize remove contamination, the work of blowdown
Make, be further reduced labour, saves operating cost.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention;
Fig. 2 is V structural schematic diagram of sprocket wheel of the invention;
Fig. 3 is the first traction device and the second traction device structural schematic diagram of the invention;
Fig. 4 is flusher structural schematic diagram of the invention;
Fig. 5 is tensioning device structure schematic diagram of the invention;
Fig. 6 is garbage barrier net chip architecture schematic diagram of the invention;
Fig. 7 is that axis of traction and garbage barrier net piece of the invention assemble relational structure schematic diagram.
In the accompanying drawings: 1. water delivery open channels;2. pontoon bridge;3. garbage barrier net piece;3-1. steel wire rack;3-2. frame;4. sprocket wheel VI;5. solid
Determine frame;6. sprocket wheel V;7. sprocket wheel IV;8. chain II;9. sprocket wheel III;10. chain III;11. directive wheel;12. main guide rail;13. water
Rifle;14. water collection sheet;15. catch basin;16. water pump;17. sprocket wheel VII;18. sliding rack;19. sprocket wheel VIII;20. tensioning apparatus;20-
1. drawing piece;20-2. being tensioned bracket;20-3. screw;20-4. lead screw;21. transmission shaft I;22. chain wheel I;23. chain wheel II;24.
Chain I;25. motor;26. drive shaft I;27. guide rail;28. earrings set;29. counterweight;30. control system;31. axis of traction;32.
Sewage pipe.
Specific embodiment
As illustrated in the accompanying drawings from 1 to 3, the present invention includes the pontoon bridge 2 being arranged in water delivery open channel 1, is arranged in 2 upper surface one of pontoon bridge
The fixed frame 5 at end, the sliding rack 18 that the 2 upper surface other end of pontoon bridge is set, the motor 25 and motor being arranged on fixed frame 5
First traction device of 25 transmission connections and the garbage barrier net piece 3 being arranged on the first traction device;The pontoon bridge 2 is by multiple floating
Case section is by being rigidly connected, and length is adjustable, to adapt to water surface change width.
First traction device includes the sprocket wheel V 6 that 5 upper end of fixed frame is arranged in, the chain that 5 lower end of fixed frame is arranged in
Take turns VI 4, sprocket wheel VII 17 that 18 upper end of sliding rack is set, the sprocket wheel VIII 19 that 18 lower end of sliding rack is set and with the sprocket wheel
V 6, the output shaft of the chain III 10 that sprocket wheel VII 17, sprocket wheel VI 4, sprocket wheel VIII 19 are separately connected, the sprocket wheel V 6 and motor 25 passes
Dynamic connection, the garbage barrier net piece 3 are suspended on chain III 10.4 sprocket wheels drive chain III to be driven, and then drive and be arranged on III
3 shuttling movement of garbage barrier net piece, constantly realize block dirty work.
The side of first traction device is provided with the second traction device, second traction device and the first traction
Apparatus structure is identical, and first traction device is connected with the second traction device by transmission device, the transmission device packet
It includes the chain wheel I 22 being arranged on 25 output shaft of motor, the transmission shaft 21 being arranged on fixed frame 5, be arranged in 21 one end of transmission shaft
Chain wheel II 23, the sprocket wheel III 9 of 21 other end of transmission shaft is set and is connect with the sprocket wheel V of the second traction device sprocket wheel
IV 7, the chain wheel II 23 is sequentially connected with chain wheel I 22 by chain I 24, and the sprocket wheel III 9 passes through chain II 8 with sprocket wheel IV 7
Transmission connection, the garbage barrier net piece 3 are arranged between two chains III 10.Two traction devices pass through motor 25 and drive
It is moved synchronously.It drives garbage barrier net piece 3 to move jointly using two groups of traction devices, works more steady, the service life is longer.
As shown in Fig. 5, the present invention is provided with guide rail 27 on the pontoon bridge 2, and the sliding rack 18 is arranged in guide rail 27
On, tensioning apparatus 20 is provided in the sliding rack 18, the tensioning apparatus 20 includes being fixedly connected with sliding rack 18
It drawing piece 20-1, one end and the drawing piece 20-1 lead screw 20-4 being fixedly connected and is fixed on 2 on pontoon bridge and is leading
The tensioning bracket 20-2 of the side draw piece 20-1;Via hole is provided on the tensioning bracket 20-2, the lead screw 20-4's is another
End is fixedly connected by screw 20-3 with tensioning bracket 20-2 across via hole.
As shown in Fig. 7, multiple axis of traction 31 are provided between two chains III 10, are set at 31 both ends of axis of traction
It is equipped with directive wheel 11, the outside of two chains III 10 is provided with corresponding main guide rail 12, the setting of directive wheel 11 exists
In main guide rail 12.The both ends of axis of traction 31 position respectively the external ear for penetrating two chains III 10 side by side and with chain III 10 together
Operation, 31 both ends of axis of traction are separately installed with directive wheel 11, can run in 12 slot of main guide rail, to reduce working resistance.
As shown in Fig. 6, the garbage barrier net piece 3 includes frame 3-2, the steel wire rack 3-1 being arranged in frame 3-2 and setting
Above frame 3-2 and perpendicular to the earrings of frame 3-2 set 28, when only one group of traction device, garbage barrier net piece 3 is staggeredly set
It sets in III 10 two sides of chain.When there is two groups of traction devices, the earrings set 28 is with frame 3-2 tie point not in earrings set 28
Axial midpoint, the earrings set 28 positive and negative interval setting on axis of traction 31.It is possible to prevente effectively from adjacent garbage barrier net piece 3 is mentioning
It rises, interfered during decentralization and because spacing changes at turn arc trajectory.
As shown in Fig. 4, the invention also includes flusher, the flusher includes water collection sheet 14 and hydraulic giant 13,
The water collection sheet 14 is separately positioned on the two sides of garbage barrier net piece 3 with hydraulic giant 13.When garbage barrier net piece 3 is higher by by the traction of chain III 10
After the water surface, 13 face garbage barrier net piece 3 of hydraulic giant in flusher, and the dirt on garbage barrier net piece 3 is swept away, it realizes automatic clear
It is dirty.
Blowdown apparatus is provided with below the flusher, the blowdown apparatus includes being arranged below water collection sheet 14
Catch basin 15, the water pump 16 being arranged in catch basin 15 and the sewage pipe 32 being connected with water pump 16, the catch basin 15
It is arranged on pontoon bridge 2.It is discharged by the dirt that flusher is swept away by blowdown apparatus, realizes automatic pollutant removal function.
As shown in Fig. 2, the invention also includes control systems 30, and the control system 30 is for controlling motor 25, hydraulic giant
13 and water pump 16.Control system 30 can realize three kinds of functions: one is the revolving speed of control motor 25, and become according to seasonal temperature
Change and the how many pairs of motors 25 for breeding floating material in water delivery open channel water is caused to be adjusted the speed automatically, and then improves and block dirty effect;Its
Second is that control hydraulic giant 13 works, when garbage barrier net piece 3 is by flusher, 13 automatic water jetting of hydraulic giant is rinsed;The third is control water
16 start and stop are pumped, when the water level in catch basin 15 rises to setting height, water pump 16 automatically turns on work, when in catch basin 15
When water level decreasing is to setting height, water pump 16 is automatically stopped work.
Water flow cutting direction and the water flow of dirty work and formation are blocked along the operation of water flow vertical direction for balance garbage barrier net piece 3
Counterweight 29 is arranged below garbage barrier net piece 3 or adds auxiliary guide rail and is overcome for two torque reactions in direction;Main guide rail 12
For closed circular structure, be mainly used for providing for axis of traction 31 be oriented to and undertake the self weight of garbage barrier net piece 3 and block water resistance and
The self weight of chain III 10.
The working principle of the invention is:
Under the control of control system 30, motor 25 drives drive shaft I 26, makes two drive sprockets V through two-stage chain conveyer
6 obtain power and movement simultaneously, and the rotation of two drive sprockets V 6 drives two chains III 10 through driven sprocket VI 4, driven chain
VII 17, driven sprocket VIII 19 is taken turns in the circular flow in 1 width direction of water delivery open channel of pontoon bridge 2, is suspended on two chains III 10
Garbage barrier net piece 3 between lower section will be along 12 circular flow of main guide rail.Garbage barrier net piece 3 on the lower chain of chain III 10, which is in, to be blocked
Dirty working condition;Promotion state is in positioned at lower garbage barrier net piece 3 of the chain on cochain transition one end of chain III 10;Positioned at chain III
Garbage barrier net piece 3 on 10 cochains by the flusher that is fixed on pontoon bridge 2 hydraulic giant 13 and water collection sheet 14 in control system 30
Control under carry out auto-flushing, dirt after flushing and sewage are stored in catch basin 15, then by the water pump 16 in drainage
And sewage pipe 32 is voluntarily handled under the control of control system 30;Blocking on the downward chain transition other end of III 10 cochain of chain
Dirty mesh sheet 3, which is in down, is put into water state.
Be suspended on side by side, the symmetrical garbage barrier net piece 3 between two chains, III 10 lower section, passed in motor 25, transmission device, chain
Cycle operation is realized under dynamic driving, entirely blocks dirt-promotion-flushing-decentralization cycle operation, certainly by the control of control system 30
It is dynamic to complete, artificial decontamination operation is eliminated, operating cost is greatly saved.
Claims (9)
1. a kind of continuous flushing type water delivery open channel sewage blocking device, it is characterised in that it includes pontoon bridge (2), is arranged on pontoon bridge (2)
The fixed frame (5) of surface one end, setting pontoon bridge (2) upper surface other end sliding rack (18), be arranged on fixed frame (5)
Motor (25), with first traction device of motor (25) transmission connection and the garbage barrier net piece that is arranged on the first traction device
(3);
First traction device include setting fixed frame (5) upper end sprocket wheel V (6), be arranged in fixed frame (5) lower end
Sprocket wheel VI (4), setting sliding rack (18) upper end sprocket wheel VII (17), setting sliding rack (18) lower end sprocket wheel VIII (19) with
And the chain III (10) being separately connected with the sprocket wheel V (6), sprocket wheel VII (17), sprocket wheel VI (4), sprocket wheel VIII (19), the chain
The output shaft for taking turns V (6) and motor (25) is sequentially connected, and the garbage barrier net piece (3) is suspended on chain III (10).
2. continuous flushing type water delivery open channel sewage blocking device according to claim 1, it is characterised in that in first traction
The side of device is provided with the second traction device, and second traction device is identical as the first traction device structure, and described first
Traction device is connected with the second traction device by transmission device, and the transmission device includes being arranged in motor (25) output shaft
On chain wheel I (22), be arranged transmission shaft (21) on fixed frame (5), setting transmission shaft (21) one end chain wheel II (23),
Sprocket wheel III (9) in transmission shaft (21) other end and the chain that is sequentially connected with the sprocket wheel V of the second traction device by axis are set
IV (7) are taken turns, the chain wheel II (23) and chain wheel I (22) are sequentially connected by chain I (24), the sprocket wheel III (9) and sprocket wheel IV
(7) it is sequentially connected by chain II (8), the garbage barrier net piece (3) is arranged between two chains III (10).
3. continuous flushing type water delivery open channel sewage blocking device according to claim 1 or 2, it is characterised in that in the pontoon bridge
(2) it is provided on guide rail (27), the sliding rack (18) is arranged on guide rail (27), is provided on the sliding rack (18)
Tensioning apparatus (20), the tensioning apparatus (20) include drawing piece (20-1), one end and the institute being fixedly connected with sliding rack (18)
State the lead screw (20-4) and be fixed on pontoon bridge (2) and in the side drawing piece (20-1) that drawing piece (20-1) is fixedly connected
It is tensioned bracket (20-2);Via hole is provided on the tensioning bracket (20-2), the other end of the lead screw (20-4) passed through
Hole is connect by screw (20-3) with tensioning bracket (20-2).
4. continuous flushing type water delivery open channel sewage blocking device according to claim 2, it is characterised in that in two chains
It is provided with more than two axis of traction (31) between III (10), axis of traction (31) both ends are provided with directive wheel (11), in two institutes
It states and is provided with corresponding main guide rail (12) on the outside of chain III (10), directive wheel (11) setting is in main guide rail (12).
5. continuous flushing type water delivery open channel sewage blocking device according to claim 1, it is characterised in that the garbage barrier net piece (3)
Including frame (3-2), the steel wire rack (3-1) being arranged in frame (3-2) and setting above frame (3-2) and perpendicular to frame
The earrings set (28) of frame (3-2), garbage barrier net piece (3) interleaved are arranged in chain III (10) two sides.
6. continuous flushing type water delivery open channel sewage blocking device according to claim 4, it is characterised in that the garbage barrier net piece (3)
Including frame (3-2), the steel wire rack (3-1) being arranged in frame (3-2) and setting above frame (3-2) and perpendicular to frame
The earrings set (28) of frame (3-2), the earrings set (28) and frame (3-2) tie point deviate the axial midpoint of earrings set (28),
The earrings set (28) is nested on axis of traction (31), the earrings set (28) positive and negative interval setting on axis of traction (31).
7. continuous flushing type water delivery open channel sewage blocking device according to claim 3, it is characterised in that it further include flusher,
The flusher includes water collection sheet (14) and hydraulic giant (13), and the water collection sheet (14) and hydraulic giant (13), which are separately positioned on, blocks dirt
Mesh sheet (3) two sides.
8. continuous flushing type water delivery open channel sewage blocking device according to claim 7, it is characterised in that in the flusher
Lower section is provided with blowdown apparatus, and the blowdown apparatus includes that the catch basin (15) being arranged below water collection sheet (14), setting are collecting
Water pump (16) in sink (15) and the sewage pipe (32) being connected with water pump (16), the catch basin (15) are arranged in pontoon bridge
(2) on.
9. continuous flushing type water delivery open channel sewage blocking device according to claim 8, it is characterised in that it further include control system,
The control system is used to control the opening and closing of motor (25), hydraulic giant (13) and water pump (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710052191.XA CN106836141B (en) | 2017-01-24 | 2017-01-24 | Continuous flushing type water delivery open channel sewage blocking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710052191.XA CN106836141B (en) | 2017-01-24 | 2017-01-24 | Continuous flushing type water delivery open channel sewage blocking device |
Publications (2)
Publication Number | Publication Date |
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CN106836141A CN106836141A (en) | 2017-06-13 |
CN106836141B true CN106836141B (en) | 2018-12-28 |
Family
ID=59120285
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Application Number | Title | Priority Date | Filing Date |
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CN201710052191.XA Expired - Fee Related CN106836141B (en) | 2017-01-24 | 2017-01-24 | Continuous flushing type water delivery open channel sewage blocking device |
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CN (1) | CN106836141B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107761683A (en) * | 2017-11-01 | 2018-03-06 | 河北工程大学 | A kind of rolling screen type water delivery open channel sewage blocking device |
CN109371916B (en) * | 2018-11-13 | 2020-11-10 | 海南核电有限公司 | Power station sea water intaking open channel self-cleaning trash rack device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1192994A (en) * | 1997-03-07 | 1998-09-16 | 王兴根 | Automatic dirt-railing of waste water for environment protection |
CN2858771Y (en) * | 2006-01-18 | 2007-01-17 | 昆明积聚机电设备有限公司 | Highly effective solid pollutant cleaning device for cable type approach channel |
CN104695385A (en) * | 2015-02-09 | 2015-06-10 | 曹伟 | Alternate treating device of decontaminating filter screens for open channel |
CN104878730A (en) * | 2015-06-26 | 2015-09-02 | 天津农学院 | Solar micro-power self-cleaning irrigation ditch trash rack |
KR20160112269A (en) * | 2015-03-18 | 2016-09-28 | 주식회사 금성이앤씨 | Rotary type dust remover |
-
2017
- 2017-01-24 CN CN201710052191.XA patent/CN106836141B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1192994A (en) * | 1997-03-07 | 1998-09-16 | 王兴根 | Automatic dirt-railing of waste water for environment protection |
CN2858771Y (en) * | 2006-01-18 | 2007-01-17 | 昆明积聚机电设备有限公司 | Highly effective solid pollutant cleaning device for cable type approach channel |
CN104695385A (en) * | 2015-02-09 | 2015-06-10 | 曹伟 | Alternate treating device of decontaminating filter screens for open channel |
KR20160112269A (en) * | 2015-03-18 | 2016-09-28 | 주식회사 금성이앤씨 | Rotary type dust remover |
CN104878730A (en) * | 2015-06-26 | 2015-09-02 | 天津农学院 | Solar micro-power self-cleaning irrigation ditch trash rack |
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