CN112030913A - River channel garbage cleaning device - Google Patents
River channel garbage cleaning device Download PDFInfo
- Publication number
- CN112030913A CN112030913A CN202010892878.6A CN202010892878A CN112030913A CN 112030913 A CN112030913 A CN 112030913A CN 202010892878 A CN202010892878 A CN 202010892878A CN 112030913 A CN112030913 A CN 112030913A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- filter screen
- river channel
- garbage
- metal filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 57
- 238000004140 cleaning Methods 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000003562 lightweight material Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 241001465754 Metazoa Species 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 5
- 238000005188 flotation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a river channel garbage cleaning device which comprises a metal filter screen, wherein two ends of the metal filter screen are fixedly connected with supporting rods, the supporting rods are connected with a base in a sliding mode, a hollow groove is formed in the base, the bottom end of each supporting rod is fixedly connected with a sliding block, the sliding block is connected in the hollow groove in a sliding mode, and the bottom end of the base is fixedly connected with a base. The invention drives the non-floating garbage suspended in the water body under the water surface to float to the water surface by virtue of the floating action of the bubble partition wall, so that the interception and filtration of the metal filter screen and the subsequent further cleaning are facilitated, the interception and cleaning effects on the garbage in the river channel are obviously improved, meanwhile, the water body can be aerated to increase the oxygen content, the growth of aquatic animals and plants in the river channel is facilitated, and the unified interception, cleaning and collecting work on the garbage in the river channel can be finished only by installing a garbage collecting bag at the garbage collecting opening.
Description
Technical Field
The invention relates to the technical field of river channel garbage cleaning, in particular to a river channel garbage cleaning device.
Background
The water pollution phenomenon is increasingly serious due to the influence of domestic sewage discharge, domestic garbage dumping and the like. Many rivers are polluted to different degrees, and a large amount of garbage flows in the river channel all the year round. The existing treatment method for the garbage in the river channel is generally manual salvage, but the garbage in the river channel flows along with the river, so that the salvage difficulty is high, the labor cost is high, the salvage efficiency is low, the garbage can be intercepted on the river surface by using the intercepting net, but the intercepting net has an effect of obstructing the flow of the river, in order to ensure that the flow of the river is not influenced, the intercepting net is generally only arranged at the river surface and used for intercepting floating garbage on the river surface, the suspended garbage under the river surface can not be effectively intercepted, in addition, the intercepted garbage needs to be cleaned regularly, and the cleaning difficulty is large.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the existing treatment method for the garbage in the river channel is generally manual salvage, but the garbage in the river channel flows along with the river, so that the salvage difficulty is high, the labor cost is high, the salvage efficiency is low, the garbage can be intercepted on the river surface by using the intercepting net, but the intercepting net has an effect of obstructing the flow of the river, in order to ensure that the flow of the river is not influenced, the intercepting net is generally only arranged at the river surface and used for intercepting floating garbage on the river surface, the suspended garbage under the river surface can not be effectively intercepted, in addition, the intercepted garbage needs to be cleaned regularly, and the cleaning difficulty is large.
In order to achieve the purpose, the invention adopts the following technical scheme:
a river channel garbage cleaning device comprises a metal filter screen, wherein supporting rods are fixedly connected to two ends of the metal filter screen, a base is connected to the supporting rods in a sliding mode, a hollow groove is formed in the base, a sliding block is fixedly connected to the bottom end of the supporting rods and is connected to the hollow groove in a sliding mode, a base is fixedly connected to the bottom end of the base, two fixing plates are symmetrically and fixedly connected to one side wall of the metal filter screen, a Roots air pump is fixedly connected to one end, away from the metal filter screen, of each fixing plate, a switching ring is fixedly connected to the Roots air pump, a connecting shaft is rotatably connected between the two switching rings, a buoy is fixedly connected to the connecting shaft, a plurality of baffle plates are arranged on the outer side wall of the buoy, two driving gears are symmetrically and fixedly connected to the connecting shaft, and a first power shaft and a, the improved Roots pump is characterized in that an exhaust pipe and an outlet pipe are respectively arranged at the upper end and the lower end of the Roots air pump, one end, away from the Roots air pump, of the outlet pipe is fixedly connected with an air storage pipe, the air storage pipe is fixedly connected with an exhaust pipe, a cavity is arranged in the exhaust pipe, an exhaust hole communicated with the cavity is formed in the upper end face of the exhaust pipe, a through hole communicated with the cavity is formed in the side wall of the bottom of the air storage pipe, a driven gear meshed with a driving gear is fixedly connected to a first power shaft, a driving gear is fixedly connected to the first power shaft, a transmission gear meshed with the driving gear is fixedly connected to a second power shaft, a driving bevel gear is fixedly connected to the transmission gear, a garbage accumulation preventing device.
Preferably, prevent that rubbish from piling up device includes two collars, two the collar is symmetry fixed connection on metal filters, the collar internal rotation is connected with the pivot, one of pivot serves the driven helical gear that fixedly connected with and drive helical gear meshing is connected, fixedly connected with runner in the pivot, it is a plurality of connect through the drive belt transmission between the runner, the pivot is kept away from one of runner and is served fixedly connected with slip pipe box, sliding connection has the slip push pedal in the slip pipe box, two magnetic paths of fixedly connected with on the lateral wall of slip push pedal, be equipped with stop device on the metal filters.
Preferably, stop device includes a plurality of limiting plates, and is a plurality of the limiting plate all is the arc setting, the limiting plate is the one-to-one setting with the slip push pedal.
Preferably, the rotating wheel is provided with a groove, and the transmission belt is clamped in the groove.
Preferably, the floating cylinder is made of a light material with the density lower than that of water, the sliding push plate is made of a light material with the density lower than that of water, and both the floating cylinder and the sliding push plate float on the water surface.
Compared with the prior art, the invention has the beneficial effects that:
1. the metal filter screen is arranged in the river channel, and is driven to automatically adjust to a proper height under the buoyancy action of the buoy, then the floating barrel and the connecting shaft are driven to rotate by the impact force of water flow on the baffle plate, the connecting shaft drives the Roots air pump to work, air is pumped through the air pumping pipe, after being pressurized, the air is sent into the air storage pipe through the air outlet pipe, and along with the increase of the air, the air enters the cavity along the through hole and then floats upwards from the air outlet hole in a bubble form, thereby forming a bubble partition wall, floating the non-floating garbage suspended in the water body under the water surface to the water surface under the floating action of bubbles so as to facilitate interception and filtration of the metal filter screen and subsequent further cleaning, thereby the promotion that is showing is to the interception and the clearance effect of rubbish in the river course, can also aerate the oxygen to the water simultaneously, increases oxygen content, helps the growth of aquatic animals and plants in the river course.
2. Drive gear can also drive the pivot rotation through driven helical gear when rotatory, thereby it rotates together to drive a plurality of runners, it is rotatory that the pivot drives the slip push pedal again, the rotatory motion that utilizes the slip push pedal promotes the rubbish of floating on with the metal filter net and the rubbish that floats on to the garbage collection mouth department of both sides, only need to adorn a garbage collection bag in garbage collection mouth department, can accomplish the unified interception to rubbish in the river course, clearance and collection work, the in-process of slip push pedal to vertical state is being rotatory, along with the bottom depth of entry deepening, buoyancy crescent, when buoyancy is greater than gravity and magnetic force, the slip push pedal upwards floats along the slip pipe box, its bottom length reduces by a wide margin, thereby can effectually avoid having rubbish to hang on the slip push pedal and influence its continuation work.
Drawings
Fig. 1 is a schematic front structural view of a river waste cleaning device according to the present invention;
fig. 2 is a sectional view of an internal structure of a river waste cleaning device according to the present invention;
fig. 3 is a schematic view of a connection structure between a first power shaft and a second power shaft on a roots air pump of the river waste cleaning device provided by the invention;
FIG. 4 is an enlarged view of the structure A of FIG. 3;
fig. 5 is a schematic structural diagram of a pontoon of a river waste cleaning device according to the present invention;
fig. 6 is a schematic structural diagram of the back of a metal filter screen of the river waste cleaning device provided by the invention.
In the figure: 1 metal filter screen, 2 support rods, 3 bases, 4 empty grooves, 5 sliding blocks, 6 bases, 7 fixing plates, 8 Roots air pumps, 9 adapter rings, 10 connecting shafts, 11 floating cylinders, 12 baffles, 13 driving gears, 14 first power shafts, 15 second power shafts, 16 exhaust pipes, 17 exhaust pipes, 18 air storage pipes, 19 exhaust pipes, 20 cavities, 21 exhaust holes, 22 through holes, 23 driven gears, 24 driving gears, 25 transmission gears, 26 driving bevel gears, 27 mounting rings, 28 rotating shafts, 29 driven bevel gears, 30 rotating wheels, 31 transmission belts, 32 sliding pipe sleeves, 33 sliding push plates, 34 magnetic blocks, 35 limiting plates and 36 garbage collection ports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a river course rubbish cleaning device, including metal filters 1, equal fixedly connected with bracing piece 2 on metal filters 1's the both ends, sliding connection has base 3 on bracing piece 2, be equipped with dead slot 4 in the base 3, fixedly connected with slider 5 on bracing piece 2's the bottom, slider 5 sliding connection is in dead slot 4, base 3's bottom fixedly connected with base 6, two fixed plates 7 of symmetry fixedly connected with on metal filters 1's the lateral wall, equal fixedly connected with roots air pump 8 on one of metal filters 1 is kept away from to two fixed plates 7, fixedly connected with switching ring 9 on roots air pump 8, rotate between two switching rings 9 and be connected with connecting axle 10, fixedly connected with flotation pontoon 11 on connecting axle 10, be equipped with a plurality of baffles 12 on flotation pontoon 11's the lateral wall.
Two driving gears 13 are symmetrically and fixedly connected to the connecting shaft 10, a first power shaft 14 and a second power shaft 15 are respectively arranged on the roots air pump 8, an air exhaust pipe 16 and an air outlet pipe 17 are respectively arranged at the upper end and the lower end of the roots air pump 8, one end, far away from the roots air pump 8, of the air outlet pipe 17 is fixedly connected with an air storage pipe 18, an exhaust pipe 19 is fixedly connected to the air storage pipe 18, a cavity 20 is arranged in the exhaust pipe 19, an exhaust hole 21 communicated with the cavity 20 is formed in the upper end face of the exhaust pipe 19, a through hole 22 communicated with the cavity 20 is formed in the bottom side wall of the air storage pipe 18, a driven gear 23 meshed with the driving gears 13 is fixedly connected to the first power shaft 14, a driving gear 24 is fixedly connected to the first power shaft 14, and a transmission gear 25.
Fixedly connected with drive helical gear 26 on the drive gear 25, it piles up the device to be equipped with on metal filters 1 to prevent rubbish, it includes two collars 27 to prevent rubbish and piles up the device, two collars 27 are symmetry fixed connection on metal filters 1, the internal rotation of collar 27 is connected with pivot 28, pivot 28 serve one of fixedly connected with and drive helical gear 26 mesh driven helical gear 29 of being connected, fixedly connected with runner 30 on the pivot 28, connect through the transmission of drive belt 31 between a plurality of runners 30, be equipped with the recess on the runner 30, 31 joints of drive belt are in the recess, pivot 28 is kept away from runner 30 serve fixedly connected with slip pipe box 32, sliding connection has slip push pedal 33 in the slip pipe box 32.
Two magnetic paths 34 of fixedly connected with on the lateral wall of slip push pedal 33, the flotation pontoon 11 chooses for use the light material that density is less than water to make, the light material that density is less than water is chosen for use to slip push pedal 33 and makes, flotation pontoon 11 and slip push pedal 33 all float on the surface of water, be equipped with stop device on metal filters 1, stop device includes a plurality of limiting plates 35, a plurality of limiting plates 35 all are the arc setting, limiting plate 35 is the one-to-one setting with slip push pedal 33, be equipped with rubbish collection mouth 36 on the metal filters 1.
According to the invention, the metal filter screen 1 is arranged in a river channel, the metal filter screen 1 is driven to automatically adjust to a proper height under the action of buoyancy of a floating barrel 11, then the floating barrel 11 and a connecting shaft 10 are driven to rotate by means of impact force of water flow on a baffle 12, the connecting shaft 10 drives a first power shaft 14 and a second power shaft 15 on a Roots air pump 8 to rotate together by means of a driving gear 13, a driven gear 23, a driving gear 24 and a transmission gear 25, the Roots air pump 8 works, air is pumped by an air pumping pipe 16, and is sent into an air storage pipe 18 through an air outlet pipe 17 after being pressurized, and along with increase of air, the air enters a cavity 20 along a through hole 22 and then floats upwards from an air outlet 21 in a bubble mode, so that a bubble partition wall is.
With the help of the floating action of bubble, the non-floating rubbish drive of suspending in the water body under the surface of water floats to the surface of water, so that metal filters 1 intercepts and filters and subsequent further clearance, thereby the promotion that is showing is to the interception and the clearance effect of rubbish in the river course, simultaneously can also aerate the oxygen to the water, increase oxygen content, help the growth of aquatic animals and plants in the river course, drive gear 25 can also drive pivot 28 rotation through driven helical gear 29 when rotatory, thereby drive a plurality of runners 30 and rotate together, pivot 28 drives the rotation of sliding push plate 33 again, the rotatory motion that utilizes sliding push plate 33 promotes floating rubbish of interception and the floating rubbish that goes up on metal filters 1 to the rubbish collection mouth 36 department of both sides.
Only need locate to adorn a garbage collection bag at garbage collection mouth 36, can accomplish the unified interception to rubbish in the river course, clearance and collection work, slide push plate 33 is rotatory to the in-process of vertical state, along with the bottom depth of entry deepening, buoyancy crescent, when buoyancy is greater than gravity and magnetic force, slide push plate 33 upwards floats along sliding pipe sleeve 32, its bottom length reduces by a wide margin, thereby can effectually avoid having rubbish to hang on slide push plate 33 and influence its continuation work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A river channel garbage cleaning device comprises a metal filter screen (1) and is characterized in that two ends of the metal filter screen (1) are fixedly connected with supporting rods (2), the supporting rods (2) are connected with a base (3) in a sliding mode, empty grooves (4) are formed in the base (3), sliders (5) are fixedly connected to the bottom ends of the supporting rods (2), the sliders (5) are connected into the empty grooves (4) in a sliding mode, the bottom end of the base (3) is fixedly connected with a base (6), two fixing plates (7) are symmetrically and fixedly connected to one side wall of the metal filter screen (1), a Roots air pump (8) is fixedly connected to one end, far away from the metal filter screen (1), of each fixing plate (7), an adapter ring (9) is fixedly connected to the Roots air pump (8), and a connecting shaft (10) is rotatably connected between the two adapter rings (9), the improved Roots pump is characterized in that a float (11) is fixedly connected to the connecting shaft (10), a plurality of baffle plates (12) are arranged on the outer side wall of the float (11), two driving gears (13) are symmetrically and fixedly connected to the connecting shaft (10), a first power shaft (14) and a second power shaft (15) are respectively arranged on the Roots air pump (8), an air suction pipe (16) and an air outlet pipe (17) are respectively arranged at the upper end and the lower end of the Roots air pump (8), an air storage pipe (18) is fixedly connected to one end, far away from the Roots air pump (8), of the air outlet pipe (17), an exhaust pipe (19) is fixedly connected to the air storage pipe (18), a cavity (20) is arranged in the exhaust pipe (19), an exhaust hole (21) communicated with the cavity (20) is arranged on the upper end face of the exhaust pipe (19), a through hole (22) communicated, fixedly connected with and driven gear (23) that driving gear (13) meshing is connected on first power axle (14), fixedly connected with drive gear (24) on first power axle (14), fixedly connected with and drive gear (25) that drive gear (24) meshing is connected on second power axle (15), fixedly connected with drive helical gear (26) on drive gear (25), be equipped with on metal filters (1) and prevent that the rubbish piles up the device, be equipped with rubbish collection mouth (36) on metal filters (1).
2. The river channel garbage cleaning device according to claim 1, wherein the garbage accumulation preventing device comprises two mounting rings (27), the two mounting rings (27) are symmetrically and fixedly connected to the metal filter screen (1), a rotating shaft (28) is rotatably connected to the mounting rings (27), a driven helical gear (29) meshed with the driving helical gear (26) is fixedly connected to one end of the rotating shaft (28), a rotating wheel (30) is fixedly connected to the rotating shaft (28), the rotating wheels (30) are in transmission connection through a transmission belt (31), a sliding pipe sleeve (32) is fixedly connected to one end of the rotating shaft (28) far away from the rotating wheel (30), a sliding push plate (33) is slidably connected to the sliding pipe sleeve (32), and two magnetic blocks (34) are fixedly connected to the outer side wall of the sliding push plate (33), and a limiting device is arranged on the metal filter screen (1).
3. The river channel garbage cleaning device according to claim 2, wherein the limiting device comprises a plurality of limiting plates (35), the plurality of limiting plates (35) are all arranged in an arc shape, and the limiting plates (35) and the sliding push plates (33) are arranged in a one-to-one correspondence.
4. The river channel garbage cleaning device as claimed in claim 2, wherein the rotating wheel (30) is provided with a groove, and the driving belt (31) is clamped in the groove.
5. A riverway refuse cleaning apparatus according to claim 1, characterized in that the float (11) is made of a lightweight material having a density lower than that of water, the sliding push plate (33) is made of a lightweight material having a density lower than that of water, and both the float (11) and the sliding push plate (33) float on the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010892878.6A CN112030913B (en) | 2020-08-31 | 2020-08-31 | River channel garbage cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010892878.6A CN112030913B (en) | 2020-08-31 | 2020-08-31 | River channel garbage cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN112030913A true CN112030913A (en) | 2020-12-04 |
| CN112030913B CN112030913B (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010892878.6A Active CN112030913B (en) | 2020-08-31 | 2020-08-31 | River channel garbage cleaning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112030913B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627140A (en) * | 2020-12-17 | 2021-04-09 | 深圳市真和丽生态环境股份有限公司 | River course rubbish automatic collection device |
| CN112962550A (en) * | 2021-02-05 | 2021-06-15 | 郝庆堂 | River channel garbage disposal device |
| CN113062292A (en) * | 2021-04-13 | 2021-07-02 | 张旭 | Water conservancy project construction holds back showy rubbish environmental protection cistern |
| CN114557313A (en) * | 2022-03-02 | 2022-05-31 | 李静 | Pond degassing unit that freshwater fish bred |
| CN114808875A (en) * | 2022-06-10 | 2022-07-29 | 宁波晨东环境科技有限公司 | River course cleaning device |
| CN116065546A (en) * | 2023-03-02 | 2023-05-05 | 江苏合洪环保科技有限公司 | River channel water surface garbage collection and treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112962550A (en) * | 2021-02-05 | 2021-06-15 | 郝庆堂 | River channel garbage disposal device |
| CN113062292A (en) * | 2021-04-13 | 2021-07-02 | 张旭 | Water conservancy project construction holds back showy rubbish environmental protection cistern |
| CN114557313A (en) * | 2022-03-02 | 2022-05-31 | 李静 | Pond degassing unit that freshwater fish bred |
| CN114808875A (en) * | 2022-06-10 | 2022-07-29 | 宁波晨东环境科技有限公司 | River course cleaning device |
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| CN116065546A (en) * | 2023-03-02 | 2023-05-05 | 江苏合洪环保科技有限公司 | River channel water surface garbage collection and treatment device |
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| Publication number | Publication date |
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| CN112030913B (en) | 2022-01-04 |
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