CN112813943A - Environment-friendly treatment equipment for cleaning river pollutants - Google Patents
Environment-friendly treatment equipment for cleaning river pollutants Download PDFInfo
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- CN112813943A CN112813943A CN202110004231.XA CN202110004231A CN112813943A CN 112813943 A CN112813943 A CN 112813943A CN 202110004231 A CN202110004231 A CN 202110004231A CN 112813943 A CN112813943 A CN 112813943A
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- sieve plate
- rod
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtration Of Liquid (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an environment-friendly treatment device for cleaning river pollutants, which comprises an installation base capable of being inserted into a river channel, wherein a lifting mechanism is arranged on the installation base, a locking mechanism for locking the lifting height of the lifting mechanism is arranged on the lifting mechanism, a floating plate is arranged on the lifting mechanism, and a frame body is arranged on the floating plate to automatically salvage the river floating pollutants; the river channel cleaning is performed by replacing workers, so that the river channel cleaning cost is saved; after fishing, the fishing rod is automatically sent into the containing box, and is not required to be manually treated and contained, so that manpower and material resources are saved; the structure of the invention adopts a driving element to finish the circular actions of salvaging and containing pollutants, can continuously salvage for many times, has high working efficiency, ensures that the river channel is not polluted, saves the manufacturing cost and ensures the cleaning strength of the river channel.
Description
Technical Field
The invention relates to river channel environment-friendly treatment equipment, in particular to environment-friendly treatment equipment for cleaning river channel pollutants.
Background
Along with the reinforcing of environmental protection consciousness, people regard more and more in the aspect of administering water pollution, the floated rubbish just is a common pollution phenomenon on the river face, these floaters will cause water pollution if not handling, the mode of netting is salvaged or salvages through the large tracts of land to the clearance of river face floaters rubbish often adopts the manual work at present clears up, artifical clearance mode efficiency is lower, speed is slow and inconvenient, can not provide one kind and to float and to store to the containing box in the automatic accomodating of the back of dragging for the pollutant of the surface of water, lead to follow-up workman's labour to increase, the workman needs periodic clearance simultaneously, the clearance is with high costs, the extravagant cost.
Therefore, the existing river channel environmental protection treatment equipment needs to be further improved.
Disclosure of Invention
The invention aims to provide an environment-friendly treatment device for cleaning river pollutants, which can automatically scoop up floating pollutants on the water surface and automatically accommodate the floating pollutants after scooping up, thereby saving labor force and cost.
In order to achieve the purpose, the invention adopts the following scheme:
an environment-friendly treatment device for cleaning river pollutants comprises an installation base which can be inserted into a river channel, wherein a lifting mechanism is arranged on the installation base, a locking mechanism for locking the lifting height of the lifting mechanism is arranged on the lifting mechanism, a floating plate is arranged on the lifting mechanism, a frame body is arranged on the floating plate, a first supporting transverse rod and a second supporting transverse rod are arranged on the frame body, a vertical guide shaft sleeve is arranged on the second supporting transverse rod, a vertical shaft is movably arranged in the vertical guide shaft sleeve, a connecting transverse plate is arranged on the vertical shaft, a reciprocating driving mechanism for driving the connecting transverse plate to reciprocate up and down is arranged on the first supporting transverse rod, the reciprocating driving mechanism is connected with the connecting transverse plate, and a transverse rotating shaft is arranged on the frame body between the first supporting transverse rod and the second supporting transverse rod, a first turnover rod is arranged at one end of the transverse rotating shaft, a rotating seat is arranged on the frame body above the transverse rotating shaft, a filtering sieve plate is hinged on the rotating seat, a first hinge seat is arranged on the lower surface of the filtering sieve plate, a first connecting rod is hinged between the first hinge seat and the outer end of the first turnover rod, a second turnover rod is arranged at the other end of the transverse rotating shaft, a garbage collection box is arranged on the vertical shaft, a second hinge seat is arranged on the side wall of the garbage collection box, and a second connecting rod is hinged between the second hinge seat and the outer end of the second turnover rod;
the filtering sieve plate comprises a horizontal sieve plate, the inner side edge of the horizontal sieve plate is connected with an inclined sieve plate, the inclined sieve plate is arranged in an upward inclined mode towards the direction of the garbage collection box, and the horizontal position of the horizontal sieve plate is lower than the horizontal position of the lower surface of the floating plate; the horizontal position of the horizontal sieve plate is lower than that of the garbage collection box.
Furthermore, the number of the mounting bases is two, and the lifting mechanisms are respectively arranged on the two mounting bases;
the lifting mechanism comprises a telescopic outer pipe vertically and fixedly arranged on the mounting base and a telescopic inner rod movably arranged in the telescopic outer pipe;
the locking mechanism comprises a locking nut arranged on the telescopic outer pipe, and the end part of the locking nut is tightly pressed on the outer wall of the telescopic inner rod to limit the movement of the telescopic inner rod.
Further, the density of the floating plate is less than that of the water, and the floating plate is made of foam; the horizontal sieve plate and the inclined sieve plate are provided with a plurality of filtering holes.
Further, the horizontal position of the first support rail is lower than the horizontal position of the second support rail.
Further, reciprocating drive mechanism is including setting up motor cabinet on the first support horizontal pole, vertically be provided with waterproof motor on the motor cabinet, be provided with the vertical articulated shaft on the connection diaphragm, it has the swinging arms to articulate on the vertical articulated shaft, the outer end of swinging arms with it has the drive connecting rod to articulate between waterproof motor's the output.
Further, the second turning rod is arranged in the opposite direction relative to the first turning rod, and the second turning rod and the first turning rod are arranged in a collinear manner.
Furthermore, guide plates are respectively arranged on two sides of the filtering sieve plate.
Furthermore, the garbage collection box comprises a fixed box body with an opening at the upper part and a detachable box body arranged in the fixed box body, and the opening at the upper part of the detachable box body is arranged.
Further, be provided with the remote control module on the support body, remote control module communication connect in reciprocating drive mechanism.
Further, the horizontal position of the upper opening of the detachable box body is higher than the horizontal position of the uppermost edge of the inclined sieve plate. In summary, compared with the prior art, the invention has the beneficial effects that:
the invention solves the problems existing in the prior river water surface floater cleaning process, and has the following advantages:
1. automatically fishing floating pollutants in the river channel; the river channel cleaning is performed by replacing workers, so that the river channel cleaning cost is saved;
2. after fishing, the fishing rod is automatically sent into the containing box, and is not required to be manually treated and contained, so that manpower and material resources are saved;
3. the structure of the invention adopts a driving element to finish the circular actions of salvaging and containing pollutants, can continuously salvage for many times, has high working efficiency, ensures that the river channel is not polluted, saves the manufacturing cost and ensures the cleaning strength of the river channel.
Drawings
FIG. 1 is one of the first use state change perspective views of the present invention;
FIG. 2 is one of the second use state change perspective views of the present invention;
FIG. 3 is one of the third use state change perspective views of the present invention;
FIG. 4 is a second perspective view of the first variation of the operating condition of the present invention;
FIG. 5 is a second perspective view of a second variation of the present invention;
FIG. 6 is a third perspective view of a third variation of the present invention;
FIG. 7 is a first use state change front view of the present invention;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7 in accordance with the present invention;
FIG. 9 is a second use state change front view of the present invention;
FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9 in accordance with the present invention;
FIG. 11 is a third use state change front view of the present invention;
FIG. 12 is a cross-sectional view taken along line C-C of the present invention at 11;
FIG. 13 is a first use state change rear view of the present invention;
FIG. 14 is a second use state change rear view of the present invention;
FIG. 15 is a third use state change rear view of the present invention;
fig. 16 is an exploded view of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to FIGS. 1-16, the present invention provides
An environment-friendly treatment device for cleaning river pollutants comprises an installation base 1 capable of being inserted into a river channel, wherein an elevating mechanism 2 is arranged on the installation base 1, a locking mechanism 3 for locking the elevating height of the elevating mechanism 2 is arranged on the elevating mechanism 2, a floating plate 4 is arranged on the elevating mechanism 2, a frame body 40 is arranged on the floating plate 4, a first supporting transverse rod 5 and a second supporting transverse rod 6 are arranged on the frame body 40, a vertical guide shaft sleeve 7 is arranged on the second supporting transverse rod 6, a vertical shaft 8 is movably arranged in the vertical guide shaft sleeve 7, a connecting transverse plate 9 is arranged on the vertical shaft 8, a reciprocating driving mechanism 10 for driving the connecting transverse plate 9 to reciprocate up and down is arranged on the first supporting transverse rod 5, the reciprocating driving mechanism 10 is connected with the connecting transverse plate 9, and a transverse rotating shaft 11 is arranged on the frame body 40 between the first supporting transverse rod 5 and the second supporting transverse rod 6, a first turnover rod 12 is arranged at one end of the transverse rotating shaft 11, a rotating seat 13 is arranged on the frame body 40 above the transverse rotating shaft 11, a filter sieve plate 14 is hinged on the rotating seat 13, a first hinge seat 15 is arranged on the lower surface of the filter sieve plate 14, a first connecting rod 16 is hinged between the first hinge seat 15 and the outer end of the first turnover rod 12, a second turnover rod 17 is arranged at the other end of the transverse rotating shaft 11, a garbage collection box 18 is arranged on the vertical shaft 8, a second hinge seat 19 is arranged on the side wall of the garbage collection box 18, and a second connecting rod 20 is hinged between the second hinge seat 19 and the outer end of the second turnover rod 17;
the filtering sieve plate 14 comprises a horizontal sieve plate 141, the inner side edge of the horizontal sieve plate 141 is connected with an inclined sieve plate 142, the inclined sieve plate 142 is arranged in an upward inclined mode towards the direction of the garbage collection box 18, and the horizontal position of the horizontal sieve plate 141 is lower than the horizontal position of the lower surface of the floating plate 4; the horizontal position of the horizontal screen plate 141 is lower than that of the garbage collection box 18;
the use principle of the above structure is as follows:
firstly, setting a reference for fishing the position of the river surface floater: the mounting bases 1 are inserted into soil in a river for stable mounting, the two mounting bases 1 are arranged to ensure stability, after the locking mechanism 3 is loosened, the lifting mechanism 2 is driven by the floating plate 4 to freely move downhill (the density of the floating plate 4 is smaller than that of water, and the floating plate 4 naturally floats on the water surface), after the floating plate 4 floats stably, a worker locks the locking mechanism 3 to enable the lifting mechanism 2 not to move up and down, at the moment, the garbage collection box 18 is just positioned above the water surface, the horizontal sieve plate 141 at the front end of the filtering sieve plate 14 is positioned in the water, one part of the inclined sieve plate 142 of the filtering sieve plate 14 is positioned above the water surface, and the other part of the inclined sieve plate is positioned in the water;
then starting the equipment to perform salvage work: after starting, the reciprocating driving mechanism 10 is connected with the connecting transverse plate 9, so that the connecting transverse plate 9 moves up and down, the vertical shafts 8 at two ends of the connecting transverse plate 9 are driven to reciprocate up and down on the vertical guide shaft sleeve 7, and the garbage collection box 18 is driven to move up and down when the vertical shafts 8 move up and down (note that an opening above the garbage collection box 18 is always positioned above the water surface in the process of moving up and down to prevent water from entering); when the garbage collection box 18 moves up and down, the second hinge base 19 of the side wall moves along with the up-down horizontal position, at this time, the end part of the transverse rotating shaft 11 is provided with the second turning rod 17, a second connecting rod 20 is hinged between the second turning rod 17 and the second hinge base 19, the second hinge base 19 drives the second connecting rod 20 to drive the second turning rod 17 to rotate around the axis of the transverse rotating shaft 11 in a reciprocating way, the first turning rod 12 at the other side also rotates around the axis of the transverse rotating shaft 11 in a reciprocating way (the outer ends of the first turning rod 12 and the second turning rod 17 are in the action of switching in turn from top to bottom, when the outer end of the first turning rod 12 moves downwards, the second turning rod 17 moves upwards, vice versa, then, the first turning rod 12 is pulled by the first connecting rod 16, and the first connecting rod 16 is hinged with the first hinge base 15, under the pulling of the first connecting rod 16, the filtering sieve plate 14 hinged on the rotating seat 13 swings up and down around the axis of the rotating seat 13;
finally, the garbage collection box 18 and the filtering sieve plate 14 move up and down in turn under the driving of the reciprocating driving mechanism 10; when the part of the filtering sieve plate 14 is in water, the pollutants on the water surface are above the horizontal sieve plate 141, in the process of turning over the filtering sieve plate 14, when the horizontal sieve plate 141 is separated from the water surface, the floaters on the water surface are fished out, meanwhile, the garbage collection box 18 on the other side descends, the opening above the garbage collection box 18 is lower than the rear end of the inclined sieve plate 142, the pollutant garbage falls into the garbage collection box 18 for storage and storage (the opening above the garbage collection box 18 is always higher than the horizontal plane) along the horizontal sieve plate 141 and the inclined sieve plate 142 from the rear end of the inclined sieve plate 142, at the moment, the filtering sieve plate 14 is turned down into the water, the garbage collection box 18 is lifted upwards, the floating pollutants enter the upper part of the horizontal sieve plate 141 again, preparation is made.
In the installation, in order to allow floating contaminants to enter the upper side of the horizontal screen plate 141, the opening position of the filter screen plate 14 is set so as to be aligned with the direction of the water flow, thereby facilitating the fishing of the floating contaminants.
The filtering sieve plate 14 separates the polluted floating objects from water, prevents the water from entering the garbage collection box 18, and can be provided with an opening on the garbage collection box 18 to facilitate drainage.
The number of the mounting bases 1 is two, and the lifting mechanisms 2 are respectively arranged on the two mounting bases 1;
the lifting mechanism 2 comprises a telescopic outer pipe 201 vertically and fixedly arranged on the mounting base 1 and a telescopic inner rod 202 movably arranged in the telescopic outer pipe 201;
a lifting mechanism 2 is provided in which a telescopic inner rod 202 is vertically movable relative to a telescopic outer tube 201.
The locking mechanism 3 comprises a locking nut 301 arranged on the telescopic outer tube 201, and the end part of the locking nut 301 is tightly pressed on the outer wall of the telescopic inner rod 202 to limit the movement of the telescopic inner rod 202; the utility model provides a mode of setting of locking mechanism 3, through turning tightly lock nut 301, lock nut 301 compresses tightly the interior pole 202 surface of stretching out and drawing back, prevents that the interior pole 202 of stretching out and drawing back from reciprocating.
The density of the floating plate 4 is less than that of water, and the floating plate 4 is made of foam; a plurality of filtering holes 500 are arranged on the horizontal sieve plate 141 and the inclined sieve plate 142; the floating plate 4 is used for setting the height of the lifting mechanism 2 to ensure that the filtering sieve plate 14 and the garbage collection box 18 are positioned to the most reasonable water surface position;
the horizontal position of the first support rail 5 is lower than the horizontal position of the second support rail 6.
The reciprocating driving mechanism 10 comprises a motor base 101 arranged on the first supporting cross rod 5, a waterproof motor 102 is longitudinally arranged on the motor base 101, a longitudinal hinged shaft 103 is arranged on the connecting cross plate 9, a swinging rod 104 is hinged on the longitudinal hinged shaft 103, and a driving connecting rod 105 is hinged between the outer end of the swinging rod 104 and the output end of the waterproof motor 102; a reciprocating mechanism is provided.
According to the invention, the second tilting bar 17 is arranged in the opposite direction with respect to the first tilting bar 12, and the second tilting bar 17 and the first tilting bar 12 are arranged in a collinear manner.
The two sides of the filtering sieve plate 14 are respectively provided with a guide plate 100.
The garbage collection box 18 comprises a fixed box body 181 with an opening at the upper part, and a detachable box body 182 arranged in the fixed box body 181, wherein the opening at the upper part of the detachable box body 182 is arranged; to allow the worker to better clean the trash in the trash receptacle 18, a removable bin 182 is provided to facilitate cleaning and replacement.
The frame body 40 is provided with a remote control module which is connected with the reciprocating driving mechanism 10 in a communication way;
the control mode for reducing the labor force through the remote control is provided, whether the reciprocating driving mechanism 10 works or not is controlled through the remote control module, manpower and material resources are saved, and meanwhile, energy is saved.
The horizontal position of the upper opening of the detachable box 182 of the present invention is higher than the horizontal position of the uppermost edge of the inclined screen 142.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an environmental protection treatment facility of river course pollutant clearance which characterized in that: the river channel lifting device comprises a mounting base (1) capable of being inserted into a river channel, wherein a lifting mechanism (2) is arranged on the mounting base (1), a locking mechanism (3) used for locking the lifting height of the lifting mechanism (2) is arranged on the lifting mechanism (2), a floating plate (4) is arranged on the lifting mechanism (2), a frame body (40) is arranged on the floating plate (4), a first supporting cross rod (5) and a second supporting cross rod (6) are arranged on the frame body (40), a vertical guide shaft sleeve (7) is arranged on the second supporting cross rod (6), a vertical shaft (8) is movably arranged in the vertical guide shaft sleeve (7), a connecting transverse plate (9) is arranged on the vertical shaft (8), and a reciprocating driving mechanism (10) used for driving the connecting transverse plate (9) to reciprocate up and down is arranged on the first supporting cross rod (5), the reciprocating driving mechanism (10) is connected with the connecting transverse plate (9), a transverse rotating shaft (11) is arranged on a frame body (40) between the first supporting transverse rod (5) and the second supporting transverse rod (6), a first turning rod (12) is arranged at one end of the transverse rotating shaft (11), a rotating seat (13) is arranged on the frame body (40) above the transverse rotating shaft (11), a filtering sieve plate (14) is hinged on the rotating seat (13), a first hinging seat (15) is arranged on the lower surface of the filtering sieve plate (14), a first connecting rod (16) is hinged between the first hinging seat (15) and the outer end of the first turning rod (12), a second turning rod (17) is arranged at the other end of the transverse rotating shaft (11), a garbage collecting box (18) is arranged on the vertical shaft (8), and a second hinging seat (19) is arranged on the side wall of the garbage collecting box (18), a second connecting rod (20) is hinged between the second hinged seat (19) and the outer end of the second turnover rod (17);
the filtering sieve plate (14) comprises a horizontal sieve plate (141), the inner side edge of the horizontal sieve plate (141) is connected with an inclined sieve plate (142), the inclined sieve plate (142) is arranged in an upward inclined mode towards the direction of the garbage collection box (18), and the horizontal position of the horizontal sieve plate (141) is lower than the horizontal position of the lower surface of the floating plate (4); the horizontal position of the horizontal sieve plate (141) is lower than that of the garbage collection box (18).
2. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: the number of the mounting bases (1) is two, and the lifting mechanisms (2) are respectively arranged on the two mounting bases (1);
the lifting mechanism (2) comprises a telescopic outer pipe (201) vertically and fixedly arranged on the mounting base (1) and a telescopic inner rod (202) movably arranged in the telescopic outer pipe (201);
the locking mechanism (3) comprises a locking nut (301) arranged on the telescopic outer pipe (201), and the end part of the locking nut (301) is pressed on the outer wall of the telescopic inner rod (202) to limit the movement of the telescopic inner rod (202).
3. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: the density of the floating plate (4) is less than that of the water, and the floating plate (4) is made of foam; the horizontal sieve plate (141) and the inclined sieve plate (142) are provided with a plurality of filtering holes (500).
4. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: the horizontal position of the first supporting cross rod (5) is lower than that of the second supporting cross rod (6).
5. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: reciprocating drive mechanism (10) is including setting up motor cabinet (101) on first support horizontal pole (5), vertically be provided with waterproof motor (102) on motor cabinet (101), be provided with vertical articulated shaft (103) on connecting diaphragm (9), it has swinging arms (104) to articulate on vertical articulated shaft (103), the outer end of swinging arms (104) with it has drive connecting rod (105) to articulate between the output of waterproof motor (102).
6. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: the second turning bar (17) is arranged in the opposite direction relative to the first turning bar (12), and the second turning bar (17) and the first turning bar (12) are arranged in a collinear manner.
7. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: and guide plates (100) are respectively arranged on two sides of the filtering sieve plate (14).
8. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: the garbage collection box (18) comprises a fixed box body (181) with an opening at the upper part and a detachable box body (182) arranged in the fixed box body (181), wherein the opening at the upper part of the detachable box body (182) is arranged.
9. The environment-friendly treatment equipment for river pollutant cleaning according to claim 1, characterized in that: be provided with the remote control module on support body (40), remote control module communication connect in reciprocating drive mechanism (10).
10. The environment-friendly treatment device for river pollutant removal according to claim 8, characterized in that: the horizontal position of the upper opening of the detachable box body (182) is higher than the horizontal position of the uppermost edge of the inclined sieve plate (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004231.XA CN112813943B (en) | 2021-01-04 | 2021-01-04 | Environment-friendly treatment equipment for cleaning river pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004231.XA CN112813943B (en) | 2021-01-04 | 2021-01-04 | Environment-friendly treatment equipment for cleaning river pollutants |
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| Publication Number | Publication Date |
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| CN112813943A true CN112813943A (en) | 2021-05-18 |
| CN112813943B CN112813943B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110004231.XA Active CN112813943B (en) | 2021-01-04 | 2021-01-04 | Environment-friendly treatment equipment for cleaning river pollutants |
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| Country | Link |
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| CN (1) | CN112813943B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373881A (en) * | 2021-05-25 | 2021-09-10 | 湖北汉源环境科技有限公司 | River course floater cleaning device |
| CN114477486A (en) * | 2022-01-10 | 2022-05-13 | 杨建华 | Large-scale kitchen skill landfill leachate treatment facility |
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| CN211773484U (en) * | 2020-01-16 | 2020-10-27 | 四川省泰达建设工程有限公司 | Tower type water conservancy trash remover |
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| CN105908686A (en) * | 2016-04-19 | 2016-08-31 | 浙江工业大学 | Floater automatic cleaning device |
| CN106493144A (en) * | 2016-09-23 | 2017-03-15 | 浙江水利水电学院 | A kind of refuse disposal installation and installation method for gaolu wetland |
| CN108860487A (en) * | 2018-03-01 | 2018-11-23 | 淮海工学院 | A kind of intelligence water surface cleaning robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373881A (en) * | 2021-05-25 | 2021-09-10 | 湖北汉源环境科技有限公司 | River course floater cleaning device |
| CN114477486A (en) * | 2022-01-10 | 2022-05-13 | 杨建华 | Large-scale kitchen skill landfill leachate treatment facility |
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| Publication number | Publication date |
|---|---|
| CN112813943B (en) | 2022-11-11 |
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