CN111173057A - Automatic desilting economizer in river course - Google Patents
Automatic desilting economizer in river course Download PDFInfo
- Publication number
- CN111173057A CN111173057A CN202010025320.8A CN202010025320A CN111173057A CN 111173057 A CN111173057 A CN 111173057A CN 202010025320 A CN202010025320 A CN 202010025320A CN 111173057 A CN111173057 A CN 111173057A
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- Prior art keywords
- dredging
- sludge
- plate
- positioning
- mud
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
An automatic dredging energy-saving device for a river channel comprises a dredging boat, a mud pump and a sludge treatment device; the supporting piece is arranged on the dredging ship and connected with the transverse plate; the first telescopic device is arranged on the transverse plate and connected with the positioning cover; a partition board is horizontally arranged in the positioning cover; the rotating shaft is connected with the driving device and the rotating shaft is connected with the turntable; the mud stirring rod is connected with the turntable in a sliding manner; the elastic piece is connected with the limiting piece and the turntable; the mud pumping pipe is arranged on the mud pumping pump and extends into the positioning cover; the sludge discharge pipe is arranged on the sludge pump; a sieve plate and a filter plate are arranged in the sludge treatment device; the second telescopic device is horizontally arranged on the sludge treatment device and is connected with the extrusion plate; the storage battery is electrically connected with the solar power generation panel and the hydroelectric generation device. The river channel sludge cleaning machine is simple to operate, convenient to use, capable of automatically cleaning sludge in a river channel, time-saving and labor-saving in the cleaning process, high in cleaning efficiency, good in cleaning effect, capable of generating power by using solar energy and power potential energy of water flow, energy-saving and environment-friendly, and excellent in use effect.
Description
Technical Field
The invention relates to the technical field of river channel dredging, in particular to an automatic dredging energy-saving device for a river channel.
Background
The river course in the middle and the lower reaches of the river becomes shallower and narrower due to silt or sediment stagnation for a long time, so that the flood capacity of the river becomes worse and worse, flood disasters can easily occur once the river course meets super-strong rainfall weather, great hidden dangers are caused to the life safety of people, and the like, and the best method is to deepen the river course and carry out desilting on the river course;
at present, the method for dredging the river channel generally moves the sludge in the river channel to a certain position or two sides of the river channel so as to achieve the purpose of cleaning the sludge, but the method for dredging the river channel easily causes secondary deposition, so that the sludge enters the river channel again to cause stasis, the dredging effect is poor, and improvement is needed.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides the automatic river channel dredging energy-saving device which is simple to operate, convenient to use, capable of automatically cleaning sludge in a river channel, time-saving and labor-saving in the cleaning process, high in cleaning efficiency, good in cleaning effect, capable of generating power by using solar energy and the power potential energy of water flow, energy-saving and environment-friendly, and excellent in use effect.
(II) technical scheme
The invention provides an automatic dredging energy-saving device for a river channel, which comprises a dredging boat, a transverse plate, a supporting piece, a first telescopic device, a positioning cover, a driving device, a rotating shaft, a rotating disc, a mud stirring rod, positioning teeth, an elastic piece, a limiting piece, a mud pump, a mud pumping pipe, a mud discharging pipe, a mud treatment device, an extrusion plate, a second telescopic device, a solar power generation plate, a storage battery and a hydroelectric generation device, wherein the transverse plate is arranged on the top of the dredging boat;
the transverse plate is arranged above the dredging ship, the transverse plate extends towards the direction far away from the dredging ship, and the supporting piece is vertically arranged on the dredging ship and connected with the transverse plate; the positioning cover is positioned below the transverse plate, and the first telescopic device is vertically arranged on the transverse plate and connected with the positioning cover; the opening of the positioning cover faces downwards, and a partition plate is horizontally arranged in the positioning cover; the rotating shaft is rotatably arranged on the partition plate and connected with the output end of the driving device, and the rotating shaft is connected with the rotating disc; the turntable is provided with a through hole, and the mud stirring rod is vertically arranged and is connected with the turntable in a sliding manner; the limiting piece is horizontally arranged on the mud stirring rod and is positioned above the rotary disc, and the elastic piece is sleeved on the mud stirring rod and is connected with the limiting piece and the rotary disc; the positioning teeth are arranged on the mud stirring rod and positioned below the rotary disc, and the tips of the positioning teeth face downwards;
the mud pump is arranged on the transverse plate, and the mud pumping pipe is arranged on the mud pump and extends into the positioning cover; the sludge treatment device is arranged on the dredging ship, the sludge discharge pipe is arranged on the sludge pump, and the output port of the sludge discharge pipe is positioned right above the sludge treatment device; a sieve plate and a filter plate are arranged in the sludge treatment device, and the filter plate is positioned below the sieve plate; the extrusion plate is vertically positioned between the sieve plate and the filter plate, and the second telescopic device is horizontally arranged on the sludge treatment device and is connected with the extrusion plate; the sludge treatment device is provided with an output pipe and a sealing door, and the dredging ship is correspondingly provided with a sludge storage device with an upward opening; the bottom of the sludge treatment device is provided with a drain pipe which horizontally penetrates through the dredging boat and extends outwards;
a fixed rod is vertically arranged on the dredging ship, and the solar power generation panel is arranged on the fixed rod; the storage battery is arranged in the dredging ship, and the hydroelectric generation device is arranged on the dredging ship; the input end of the storage battery is electrically connected with the solar power generation panel and the hydraulic power generation device, and the output end of the storage battery is electrically connected with each power utilization component.
Preferably, an electric driving device is further arranged on the dredging ship;
the electric driving device comprises a motor, an output shaft and a propeller; the motor is arranged in the dredging ship, the output shaft is connected with the output end of the motor, and the propeller is arranged on the output shaft and positioned on the periphery of the dredging ship.
Preferably, the first telescopic device and the second telescopic device are electric telescopic rods.
Preferably, the hydroelectric power generation device comprises a generator set, a transmission shaft and blades; the generator set is arranged in the dredging ship, and the input end of the generator set is connected with the transmission shaft; the paddle sets up on the transmission shaft and is located the periphery of desilting ship.
Preferably, the device also comprises a positioning rod and a pressing plate;
a guide block is arranged on the dredging ship, a positioning hole is vertically arranged on the guide block, and the positioning rod penetrates through the positioning hole and is inserted into the river channel; the pressing plate is arranged on the positioning rod and is positioned above the guide block.
Preferably, the bottom end of the positioning rod is in a shape of cusp.
Preferably, the number of the positioning rods is four groups and the positioning rods are distributed around the dredging ship.
Preferably, the number of the mud stirring rods is multiple, and each circle of mud stirring rods is distributed in an annular array around the circle center of the rotary table.
Preferably, the mud pumping pipe is a hose.
The technical scheme of the invention has the following beneficial technical effects:
the dredging ship is driven to a position to be dredged, the first telescopic device enables the positioning cover to move downwards and enter the river channel, and the positioning cover encloses the position to be dredged, so that the pollution to the nearby water area in the dredging process is effectively prevented; the positioning teeth are inserted into the sludge, the driving device enables the rotary table to rotate circumferentially in the horizontal direction through the rotating shaft, and then all the sludge stirring rods rotate along with the rotating shaft, the sludge stirring rods cut, turn and stir out the sludge at the bottom of the river channel, and the sludge pump pumps the sludge in the positioning cover into the sludge treatment device; the sieve plate sieves out stone soil blocks and the like in the sludge, the second expansion device pushes the extrusion plate to extrude the sludge, the filter plate separates the sludge from water in the sludge, the filtered water is discharged into a river channel through the drain pipe, the sludge soil blocks and the like enter the sludge storage device, the operation is simple, the use is convenient, the sludge in the river channel can be automatically cleaned, the cleaning process is time-saving and labor-saving, the cleaning efficiency is high, and the cleaning effect is good;
the solar power generation panel converts solar energy into electric energy, the hydraulic power generation device converts the power potential energy of water flow into the electric energy, and the storage battery stores the electric energy and supplies the electric energy to each electric component, so that the energy-saving and environment-friendly effects are achieved, and the use is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an automatic dredging energy-saving device for a river channel provided by the invention.
Fig. 2 is a front view of an automatic dredging energy-saving device for river channels.
Fig. 3 is a partially enlarged view of a portion a of the automatic river channel dredging energy-saving device provided by the invention.
Fig. 4 is a schematic structural diagram of a sludge treatment device in the automatic river dredging energy-saving device provided by the invention.
Reference numerals: 1. a dredging ship; 2. a transverse plate; 3. a support member; 4. a first telescoping device; 5. a positioning cover; 6. a partition plate; 7. a drive device; 8. a rotating shaft; 9. a turntable; 10. a mud stirring rod; 11. positioning teeth; 12. an elastic member; 13. a limiting member; 14. a mud pump; 15. a mud pumping pipe; 16. a sludge discharge pipe; 17. a sludge treatment device; 18. a sieve plate; 19. filtering the plate; 20. a pressing plate; 21. a second telescoping device; 22. an output pipe; 23. a sealing door; 24. a drain pipe; 25. a sludge storage device; 26. fixing the rod; 27. a solar power panel; 28. a storage battery; 29. a hydroelectric power generation device; 30. a guide block; 31. positioning a rod; 32. and pressing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the automatic river dredging energy saving device provided by the invention comprises a dredging boat 1, a transverse plate 2, a supporting member 3, a first telescopic device 4, a positioning cover 5, a driving device 7, a rotating shaft 8, a rotating disc 9, a mud stirring rod 10, a positioning tooth 11, an elastic member 12, a limiting member 13, a mud pump 14, a mud pumping pipe 15, a mud discharging pipe 16, a sludge treatment device 17, an extrusion plate 20, a second telescopic device 21, a solar power generation plate 27, a storage battery 28 and a hydroelectric generation device 29;
the transverse plate 2 is arranged above the dredging ship 1, the transverse plate 2 extends towards the direction far away from the dredging ship 1, and the supporting piece 3 is vertically arranged on the dredging ship 1 and connected with the transverse plate 2; the positioning cover 5 is positioned below the transverse plate 2, and the first telescopic device 4 is vertically arranged on the transverse plate 2 and connected with the positioning cover 5; the opening of the positioning cover 5 is downward, and a partition plate 6 is horizontally arranged in the positioning cover; the rotary table 9 is horizontally arranged below the partition plate 6, the driving device 7 is arranged on the partition plate 6, the rotating shaft 8 is rotatably arranged on the partition plate 6 and connected with the output end of the driving device 7, and the rotating shaft 8 is connected with the rotary table 9; a through hole is formed in the turntable 9, and the mud stirring rod 10 is vertically arranged and is connected with the turntable 9 in a sliding manner; the limiting piece 13 is horizontally arranged on the mud stirring rod 10 and is positioned above the rotary table 9, and the elastic piece 12 is sleeved on the mud stirring rod 10 and is connected with the limiting piece 13 and the rotary table 9; the positioning teeth 11 are arranged on the mud stirring rod 10 and are positioned below the rotary table 9, and the tips of the positioning teeth 11 face downwards;
the mud pump 14 is arranged on the transverse plate 2, and the mud pumping pipe 15 is arranged on the mud pump 14 and extends into the positioning cover 5; the sludge treatment device 17 is arranged on the dredging ship 1, the sludge discharge pipe 16 is arranged on the sludge pump 14, and the output port of the sludge discharge pipe 16 is positioned right above the sludge treatment device 17; a sieve plate 18 and a filter plate 19 are arranged in the sludge treatment device 17, and the filter plate 19 is positioned below the sieve plate 18; the extrusion plate 20 is vertically positioned between the sieve plate 18 and the filter plate 19, and the second telescopic device 21 is horizontally arranged on the sludge treatment device 17 and is connected with the extrusion plate 20; the sludge treatment device 17 is provided with an output pipe 22 and a sealing door 23, and the dredging ship 1 is correspondingly provided with a sludge storage device 25 with an upward opening; the bottom of the sludge treatment device 17 is provided with a drain pipe 24, and the drain pipe 24 horizontally penetrates through the dredging ship 1 and extends outwards;
a fixed rod 26 is vertically arranged on the dredging ship 1, and a solar power generation plate 27 is arranged on the fixed rod 26; the storage battery 28 is arranged in the dredging ship 1, and the hydraulic power generation device 29 is arranged on the dredging ship 1; the input end of the storage battery 28 is electrically connected with the solar power generation panel 27 and the hydraulic power generation device 29, and the output end is electrically connected with each power utilization component.
In an alternative embodiment, the dredging ship 1 is also provided with an electric driving device; the electric driving device comprises a motor, an output shaft and a propeller; the motor is arranged in the dredging ship 1, the output shaft is connected with the output end of the motor, and the propeller is arranged on the output shaft and positioned at the periphery of the dredging ship 1. In operation, the motor makes the screw rotate through the output shaft to realize electric drive, the use is more convenient.
In an alternative embodiment, the first and second telescopic devices 4, 21 are electric telescopic rods.
In an alternative embodiment, the hydro-power generation device 29 includes a generator set, a drive shaft, and paddles; the generator set is arranged in the dredging ship 1, and the input end of the generator set is connected with the transmission shaft; the paddle is arranged on the transmission shaft and is positioned at the periphery of the dredging ship 1.
In an optional embodiment, the device further comprises a positioning rod 31 and a pressing plate 32; the dredging ship 1 is provided with a guide block 30, a positioning hole is vertically arranged on the guide block 30, and a positioning rod 31 penetrates through the positioning hole and is inserted into a river channel; the pressing plate 32 is provided on the positioning rod 31 and positioned above the guide block 30; the bottom end of the positioning rod 31 is in a shape of cusp, and the positioning rods 31 are four groups and distributed around the dredging ship 1, so that the positioning effect is improved. In operation, when driving the desilting ship 1 to the position of waiting to desilt, exert decurrent pressure to the pressing plate 32 and make locating lever 31 insert the river course bottom, realize the location to desilting ship 1, help carrying out the desilting operation, the desilting operation process is comparatively stable.
In an alternative embodiment, the number of the mud stirring rods 10 is multiple, and each circle of the mud stirring rods 10 is distributed in an annular array around the center of the rotary table 9, which is beneficial to improving the dredging effect.
In an alternative embodiment, the mud pipe 15 is a hose.
When the dredging device is used, the dredging ship 1 is driven to a position to be dredged, then the first telescopic device 4 enables the positioning cover 5 to move downwards and enter a river channel, and the positioning cover 5 encloses the position to be dredged, so that the pollution to nearby water areas in the dredging process is effectively prevented; the positioning teeth 11 are inserted into the sludge, the driving device 7 enables the rotary table 9 to rotate circumferentially in the horizontal direction through the rotating shaft 8, then all the sludge stirring rods 10 rotate along with the sludge, the sludge stirring rods 10 cut, turn and stir out the sludge at the bottom of a river channel, and the sludge pump 14 pumps the sludge in the positioning cover 5 into the sludge treatment device 17; the screen plate 18 screens out stone soil blocks and the like in the sludge, the second expansion device 21 pushes the extrusion plate 20 to extrude the sludge, the filter plate 19 separates the sludge and water in the sludge, the filtered water is discharged into a river channel through the water discharge pipe 24, the sludge soil blocks and the like enter the sludge storage device 25, the operation is simple, the use is convenient, the sludge in the river channel can be automatically cleaned, the cleaning process is time-saving and labor-saving, the cleaning efficiency is high, and the cleaning effect is good;
the solar power generation panel 27 converts solar energy into electric energy, the hydraulic power generation device 29 converts the power potential energy of water flow into electric energy, and the storage battery 28 stores and supplies the electric energy to each electric component, so that the energy-saving and environment-friendly effects are achieved, and the use is facilitated.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. An automatic dredging energy-saving device for a river channel is characterized by comprising a dredging ship (1), a transverse plate (2), a supporting piece (3), a first telescopic device (4), a positioning cover (5), a driving device (7), a rotating shaft (8), a rotary table (9), a mud stirring rod (10), positioning teeth (11), an elastic piece (12), a limiting piece (13), a mud pump (14), a mud pumping pipe (15), a mud discharging pipe (16), a sludge treatment device (17), an extrusion plate (20), a second telescopic device (21), a solar power generation plate (27), a storage battery (28) and a hydraulic power generation device (29);
the transverse plate (2) is arranged above the dredging ship (1), the transverse plate (2) extends towards the direction far away from the dredging ship (1), and the supporting piece (3) is vertically arranged on the dredging ship (1) and connected with the transverse plate (2); the positioning cover (5) is positioned below the transverse plate (2), and the first telescopic device (4) is vertically arranged on the transverse plate (2) and connected with the positioning cover (5); the opening of the positioning cover (5) faces downwards, and a partition plate (6) is horizontally arranged in the positioning cover; the rotary table (9) is horizontally arranged below the partition plate (6), the driving device (7) is arranged on the partition plate (6), the rotating shaft (8) is rotatably arranged on the partition plate (6) and connected with the output end of the driving device (7), and the rotating shaft (8) is connected with the rotary table (9); a through hole is arranged on the turntable (9), and the mud stirring rod (10) is vertically arranged and is connected with the turntable (9) in a sliding way; the limiting piece (13) is horizontally arranged on the mud stirring rod (10) and is positioned above the rotary table (9), and the elastic piece (12) is sleeved on the mud stirring rod (10) and is connected with the limiting piece (13) and the rotary table (9); the positioning teeth (11) are arranged on the mud stirring rod (10) and positioned below the rotary disc (9), and the tips of the positioning teeth (11) face downwards;
the mud pump (14) is arranged on the transverse plate (2), and the mud pumping pipe (15) is arranged on the mud pump (14) and extends into the positioning cover (5); the sludge treatment device (17) is arranged on the dredging ship (1), the sludge discharge pipe (16) is arranged on the sludge pump (14), and the output port of the sludge discharge pipe (16) is positioned right above the sludge treatment device (17); a sieve plate (18) and a filter plate (19) are arranged in the sludge treatment device (17), and the filter plate (19) is positioned below the sieve plate (18); the extrusion plate (20) is vertically positioned between the sieve plate (18) and the filter plate (19), and the second telescopic device (21) is horizontally arranged on the sludge treatment device (17) and is connected with the extrusion plate (20); an output pipe (22) and a sealing door (23) are arranged on the sludge treatment device (17), and a sludge storage device (25) with an upward opening is correspondingly arranged on the dredging ship (1); a drain pipe (24) is arranged at the bottom of the sludge treatment device (17), and the drain pipe (24) horizontally penetrates through the dredging ship (1) and extends outwards;
a fixing rod (26) is vertically arranged on the dredging ship (1), and a solar power generation panel (27) is arranged on the fixing rod (26); the storage battery (28) is arranged in the dredging ship (1), and the hydraulic power generation device (29) is arranged on the dredging ship (1); the input end of the storage battery (28) is electrically connected with the solar power generation panel (27) and the hydraulic power generation device (29), and the output end is electrically connected with each electric component.
2. The automatic dredging energy-saving device for the river channel according to claim 1, wherein an electric driving device is further arranged on the dredging boat (1);
the electric driving device comprises a motor, an output shaft and a propeller; the motor is arranged in the dredging ship (1), the output shaft is connected with the output end of the motor, and the propeller is arranged on the output shaft and positioned at the periphery of the dredging ship (1).
3. The automatic river channel dredging energy-saving device according to claim 1, wherein the first telescoping device (4) and the second telescoping device (21) are electric telescopic rods.
4. The automatic river channel dredging energy-saving device according to claim 1, wherein the hydroelectric power generation device (29) comprises a generator set, a transmission shaft and blades; the generator set is arranged in the dredging ship (1), and the input end of the generator set is connected with the transmission shaft; the paddle is arranged on the transmission shaft and is positioned at the periphery of the dredging ship (1).
5. The automatic river channel dredging energy-saving device according to claim 1, further comprising a positioning rod (31) and a pressing plate (32);
a guide block (30) is arranged on the dredging ship (1), a positioning hole is vertically formed in the guide block (30), and a positioning rod (31) penetrates through the positioning hole and is inserted into a river channel; the pressing plate (32) is provided on the positioning rod (31) and is positioned above the guide block (30).
6. The automatic river channel dredging energy-saving device according to claim 5, wherein the bottom end of the positioning rod (31) is in a shape of a pointed tooth.
7. The automatic dredging energy-saving device for the river channel according to claim 5, wherein the number of the positioning rods (31) is four and the positioning rods are distributed around the dredging ship (1).
8. The automatic river channel dredging energy-saving device according to claim 1, wherein the number of the mud stirring rods (10) is multiple, and each circle of the mud stirring rods (10) is distributed in an annular array around the center of the rotary table (9).
9. The automatic river channel dredging energy-saving device according to claim 1, wherein the sludge pumping pipe (15) is a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025320.8A CN111173057A (en) | 2020-01-10 | 2020-01-10 | Automatic desilting economizer in river course |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025320.8A CN111173057A (en) | 2020-01-10 | 2020-01-10 | Automatic desilting economizer in river course |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111173057A true CN111173057A (en) | 2020-05-19 |
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ID=70647705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010025320.8A Pending CN111173057A (en) | 2020-01-10 | 2020-01-10 | Automatic desilting economizer in river course |
Country Status (1)
| Country | Link |
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| CN (1) | CN111173057A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718086A (en) * | 2020-07-03 | 2020-09-29 | 江苏航运职业技术学院 | Heavy metal pollution river lake bed mud prosthetic devices |
| CN111997118A (en) * | 2020-08-10 | 2020-11-27 | 东珠生态环保股份有限公司 | River channel dredging ship with sludge treatment function and working method thereof |
| CN113622474A (en) * | 2021-09-15 | 2021-11-09 | 郝艳阳 | Environment-friendly water-conservancy water electric dredging device |
| CN114293614A (en) * | 2022-01-10 | 2022-04-08 | 浙江丰茂盛业建设有限公司 | Novel ecological restoration device for comprehensive treatment of river sludge and construction method thereof |
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| CN206873528U (en) * | 2017-06-02 | 2018-01-12 | 郑州工业应用技术学院 | A kind of road bridge construction Accrete clearing device |
| CN207194050U (en) * | 2017-07-25 | 2018-04-06 | 苏州科技大学 | A kind of portable river sewage processing silt cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111718086A (en) * | 2020-07-03 | 2020-09-29 | 江苏航运职业技术学院 | Heavy metal pollution river lake bed mud prosthetic devices |
| CN111718086B (en) * | 2020-07-03 | 2022-06-17 | 江苏航运职业技术学院 | Heavy metal pollution river lake bed mud prosthetic devices |
| CN111997118A (en) * | 2020-08-10 | 2020-11-27 | 东珠生态环保股份有限公司 | River channel dredging ship with sludge treatment function and working method thereof |
| CN113622474A (en) * | 2021-09-15 | 2021-11-09 | 郝艳阳 | Environment-friendly water-conservancy water electric dredging device |
| CN114293614A (en) * | 2022-01-10 | 2022-04-08 | 浙江丰茂盛业建设有限公司 | Novel ecological restoration device for comprehensive treatment of river sludge and construction method thereof |
| CN114293614B (en) * | 2022-01-10 | 2023-02-17 | 浙江丰茂盛业建设有限公司 | Novel river sludge comprehensive treatment ecological restoration device and construction method thereof |
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Application publication date: 20200519 |
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| RJ01 | Rejection of invention patent application after publication |