CN112554261A - River course device of decontaminating - Google Patents
River course device of decontaminating Download PDFInfo
- Publication number
- CN112554261A CN112554261A CN202011325237.9A CN202011325237A CN112554261A CN 112554261 A CN112554261 A CN 112554261A CN 202011325237 A CN202011325237 A CN 202011325237A CN 112554261 A CN112554261 A CN 112554261A
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- Prior art keywords
- motor
- suction cover
- sewage suction
- sewage
- extraction pump
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- Pending
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Classifications
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- 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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- 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
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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
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
- E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
- E02F3/9281—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements with axis of rotation in horizontal and transverse direction of the suction pipe
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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
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
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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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a river channel sewage disposal device, which comprises a sewage suction cover, a first extraction pump, a second extraction pump and a separation box, wherein the sewage suction cover is arranged on the sewage suction cover; the sewage suction cover is of a cylindrical structure with a downward opening, the top end of the sewage suction cover is communicated with one end of the first extraction pump through a sewage suction pipe, a cutting device is arranged inside the sewage suction cover, a first motor is arranged outside the sewage suction cover, and one end of the cutting device penetrates through one side of the sewage suction cover and is in transmission connection with an output shaft of the first motor; the other end of the extraction pump is communicated with the top of the separation box through a sewage discharge pipe; the separation box comprises an inner cylinder and an outer cylinder, a second motor is arranged at the top of the separation box, a stirring paddle is arranged in the inner cylinder, the top of the stirring paddle is in transmission connection with an output shaft of the second motor, separation holes are formed in the periphery of the inner cylinder, and the top of the inner cylinder is communicated with a second extraction pump; the top end of the outer cylinder is provided with a pulp inlet hole, the top of the outer side of the outer cylinder is provided with a drain hole, and the bottom of the outer cylinder is provided with a sewage discharge hole; the device for cleaning the river channel is prevented from being blocked by sundries, the device is damaged, and the cleaning efficiency and the cleaning effect of the river channel are improved.
Description
Technical Field
The invention relates to a sewage disposal device, in particular to a river channel sewage disposal device.
Background
In recent years, environmental pollution is serious, especially water resources are polluted most seriously in water conservancy projects, and how to control river channels becomes the most important problem to be solved at present. When the river channel is cleaned, the sludge in the river channel is rotten and smelly for a long time, and great influence is brought to water quality, so that the cleanness of the sludge in the river channel is ensured firstly to treat water well. Most of traditional river channel cleaning is carried out through mechanical equipment, sludge deposited on the river bottom is blown and stirred into turbid watery state and flows away along with river water, or the sludge is extracted and then is discharged to other positions, and therefore the dredging effect is achieved. In the process of utilizing the extraction pump to extract the rivers that contain mud to the device of decontaminating, because river water not only contains mud, still contain many if tendril plant, branch and difficult degradation and debris such as the great rubbish of volume, when directly sucking in the river course device of decontaminating, cause mechanical jam easily, when causing the not hard up or damage of internals water content in the mud water is higher simultaneously, need extract the post-separation and discharge, work load increases, the efficiency of decontaminating and the effect of decontaminating to the river course have been reduced.
Disclosure of Invention
The invention aims to: provides a river channel cleaning device to solve the problems provided in the background technology.
The technical scheme of the invention is as follows:
the utility model provides a river course device of decontaminating which characterized in that: comprises a sewage suction cover, a first extraction pump, a second extraction pump and a separation box; the sewage suction cover is of a cylindrical structure with a downward opening, the top end of the sewage suction cover is communicated with one end of a first extraction pump through a sewage suction pipe, a cutting device is arranged inside the sewage suction cover, a first motor is arranged outside the sewage suction cover, and one end of the cutting device penetrates through one side of the sewage suction cover and is in transmission connection with an output shaft of the first motor; the other end of the extraction pump is communicated with the top of the separation box through a sewage discharge pipe; the separation box is of a double-layer barrel-shaped structure comprising an inner barrel and an outer barrel, a second motor is arranged at the top of the separation box, a stirring paddle is arranged in the inner barrel, the top of the stirring paddle is in transmission connection with an output shaft of the second motor, separation holes are formed in the periphery of the inner barrel, and the top of the inner barrel is communicated with a second extraction pump; the top end of the outer barrel is provided with a pulp inlet hole, the top of the outer side of the outer barrel is provided with a drain hole, and the bottom of the outer barrel is provided with a sewage discharge hole.
Sharp teeth are arranged on the outer edge of the opening of the dirt suction cover.
The cutting device comprises two groups of cutting shafts which are arranged in parallel, two ends of each of the two cutting shafts are respectively and rotatably connected with the inner walls of two sides of the dirt suction cover, a plurality of crushing teeth are fixedly connected to the outer walls of the two groups of cutting shafts in an annular array at equal intervals, and the crushing teeth on the two groups of cutting shafts are arranged in a staggered mode.
The cutting shafts are in transmission connection with the output shaft of the first motor, the belt pulley is mounted on the outer side of the other cutting shaft, and the two groups of cutting shafts which are arranged in parallel are in transmission connection through the belt.
And a screen is fixedly connected between the top end closing opening of the sewage suction cover and the bottom end of the sewage suction pipe.
The separation holes are uniformly distributed on the periphery of the inner cylinder, and the aperture of each separation hole is smaller than the diameter of the mesh of the screen.
The stirring rake includes actuating lever and paddle, the last case wall that the separation box was passed to the actuating lever upper end is connected with the second motor in separation box top that sets firmly, the lower extreme of actuating lever extends to the lower part inner chamber of inner tube, and the periphery equipartition of actuating lever has the bar paddle.
A motor box is arranged on the outer side of the dirt suction cover, and a first motor and a belt are arranged in the motor box.
The invention has the beneficial effects that:
the river channel cleaning device can effectively prevent vines, branches and garbage which is difficult to degrade and large in volume in slurry from entering the cleaning device, and further damage to parts and the whole device is caused; the separator box can carry out the preliminary separation to muddy water and purify, the development of the follow-up water treatment work of being convenient for:
1. the outer edge of the opening of the sewage suction cover is provided with a tooth-shaped structure, so that the sewage suction cover can be inserted into the sludge and fixed conveniently; the cutting device arranged in the dirt absorbing cover can cut and crush the vines and branches in the slurry and garbage which is not easy to degrade and has larger volume, so that the vines and the branches are convenient to extract;
2. the crushing teeth which are arranged in a staggered way on the two groups of cutting shafts can more effectively crush sundries in a staggered way, and the crushing effect is better;
3. the screen has strict mesh sizes, and the screen is arranged between the sewage suction cover and the sewage suction pipe, so that uncut solid suspended matters in the screened mud can be intercepted and screened conveniently, and the solid suspended matters are retained in the sewage suction cover for further chopping;
4. the double-barrel structure of the inner barrel and the outer barrel is used for stirring the slurry through the stirring paddle of the inner barrel, so that the slurry is convenient to extract, and the moisture in the slurry can be thrown out of the outer barrel through the separation holes in the periphery of the inner barrel;
5. because the water discharge hole of the outer cylinder is arranged at the top of the outer side of the outer cylinder, the muddy water flowing out of the separation hole can flow out of the water discharge hole after being precipitated and filtered in the outer cylinder;
6. the sewage discharge hole of the outer cylinder is convenient for discharging the mud impurities precipitated to the bottom after being used for a period of time.
7. The stirring paddle can stir the slurry primarily screened by the screen mesh, the moisture in the slurry can be thrown out of the outer barrel through the separation holes in the stirring process, and the slurry is stirred and is conveniently extracted by the second extraction pump;
8. the motor case is arranged outside the dirt suction cover, the motor case can play waterproof and antifouling protection effects on the first motor and the belt pulley, and the service life of the motor is prolonged
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner barrel structure;
FIG. 3 is a schematic view of the structure of a stirring paddle;
fig. 4 is a schematic view of a transmission structure of the first motor.
In the figure: 1. a dirt suction cover; 2. a first extraction pump; 3. an outer cylinder; 4. an inner barrel; 5. a stirring paddle; 6. a cutting shaft; 7. crushing teeth; 8. a first motor; 9. a second motor; 10. a sewage suction pipe; 11. a blow-off pipe; 12. pointed teeth; 13. screening a screen; 14. a drain hole; 15. a sewage draining hole; 16. a second extraction pump; 17. a motor case; 18. a belt; 19. a paddle; 20. a separation well.
The specific implementation mode is as follows:
specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted at the outset that the discussion of any embodiment of the present invention is illustrative only and is not intended to suggest that the scope of the present disclosure (including the claims) is limited to these examples; there are many other variations of the different aspects of the invention as described above which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.
As shown in the attached figure 1, the river channel decontamination device comprises a decontamination cover 1, a first extraction pump 2, a second extraction pump 16 and a separation box; the sewage suction cover 1 is of a cylindrical structure with a downward opening, the top end of the sewage suction cover 1 is communicated with one end of a first extraction pump 2 through a sewage suction pipe 10, a cutting device is arranged inside the sewage suction cover 1, a first motor 8 is arranged outside the sewage suction cover 1, and one end of the cutting device penetrates through one side of the sewage suction cover 1 and is in transmission connection with an output shaft of the first motor 8; the other end of the extraction pump is communicated with the top of the separation box through a sewage discharge pipe 11; the separation box is of a double-layer barrel-shaped structure comprising an inner barrel 4 and an outer barrel 3, a second motor 9 is arranged at the top of the separation box, a stirring paddle 5 is arranged in the inner barrel 4, the top of the stirring paddle 5 is in transmission connection with an output shaft of the second motor 9, separation holes 20 are formed in the periphery of the inner barrel 4, and the top of the inner barrel 4 is communicated with a second extraction pump 16; the top end of the outer cylinder 3 is provided with a pulp inlet hole, the top of the outer side of the outer cylinder 3 is provided with a water drain hole 14, and the bottom of the outer cylinder 3 is provided with a sewage discharge hole 15.
The cutting device comprises two groups of cutting shafts 6 which are arranged in parallel, two ends of each of the two cutting shafts 6 are respectively and rotatably connected with the inner walls of two sides of the dirt suction cover 1, a plurality of crushing teeth 7 are fixedly connected to the outer walls of the two groups of cutting shafts 6 in an annular array at equal intervals, and the crushing teeth 7 on the two groups of cutting shafts 6 are arranged in a staggered mode. The cutting device arranged in the dirt suction cover 1 can cut and crush the vines and branches in the slurry and the garbage which is not easy to degrade and has large volume, and the slurry can be conveniently extracted. The crushing teeth 7 which are arranged on the two groups of cutting shafts 6 in a staggered way can more effectively crush sundries in a staggered way, and the crushing effect is better.
As shown in fig. 4, one group of cutting shafts 6 is in transmission connection with the output shaft of the first motor 8, the outer side of the other group of cutting shafts 6 is provided with a belt 18 wheel, and the two groups of cutting shafts 6 arranged in parallel are in transmission connection through the belt 18.
A screen 13 is fixedly connected between the top end closing opening of the sewage suction cover 1 and the bottom end of the sewage suction pipe 10. The screen 13 has strict series of mesh sizes, and the screen 13 is arranged between the sewage suction cover 1 and the sewage suction pipe 10, so that uncut solid suspended matters in the screened mud can be intercepted and screened conveniently, and the uncut solid suspended matters are retained in the sewage suction cover 1 for further chopping.
As shown in fig. 2, the separation holes 20 are uniformly distributed on the periphery of the inner cylinder 4, and the aperture of the separation holes 20 is smaller than the diameter of the mesh of the screen 13.
The double-barrel structure of the inner barrel 4 and the outer barrel 3 stirs the slurry through the stirring paddle 5 of the inner barrel 4, so that the slurry is convenient to extract, and the moisture in the slurry can be thrown out of the outer barrel 3 through the separation holes 20 on the periphery of the inner barrel 4; since the drain hole 14 of the tub 3 is provided at the top outside the tub 3, the muddy water flowing out of the separation hole 20 can flow out of the drain hole 14 after being filtered by settling in the tub 3; the drainage hole 15 of the outer tub 3 facilitates the drainage of slurry impurities settled to the bottom after a period of use.
As shown in the attached drawing 3, the stirring paddle 5 comprises a driving rod and paddles 19, the upper end of the driving rod penetrates through the upper box wall of the separation box and is connected with a second motor 9 fixedly arranged at the top end of the separation box, the lower end of the driving rod extends to the lower inner cavity of the inner barrel 4, and the outer periphery of the driving rod is uniformly provided with the bar paddles 19. The stirring paddle 5 can stir the mud after the preliminary screening by the screen 13, and the moisture in the mud can be thrown out of the outer barrel 3 through the separation holes 20 in the stirring process, so that the mud can be extracted by the second extraction pump 16 conveniently while being stirred.
Inhale 1 outside of dirt cup and be provided with motor case 17, first motor 8 and belt 18 set up in motor case 17, and motor case 17 can play waterproof antifouling protection to first motor 8 and belt 18 wheel, extension motor life
In specific use, firstly, the dirt absorbing cover 1 of the river channel dirt cleaning device is arranged at a position to be cleaned, the dirt absorbing cover 1 is inserted into sludge through the sharp teeth 12 by means of self gravity, at the moment, the first motor 8 and the first extraction pump 2 are started, the driving shaft of the first motor 8 drives one group of cutting shafts 6 to rotate, and the other group of cutting shafts 6 simultaneously rotate through the belt 18; the first extraction pump 2 is operated, sludge impurities in a river channel are extracted into the sewage suction cover 1 due to negative pressure, the crushing teeth 7 on the outer wall of the cutting shaft 6 start to crush sundries with larger volume, and the sludge and the crushed aggregates with particle size capable of passing through the screen 13 are sucked into the sewage suction pipe 10, further enter the sewage discharge pipe 11 through the first extraction pump 2 and then flow into the inner cylinder 4 of the separation box; sundries intercepted by the screen 13 in the dirt suction cover 1 are retained in the dirt suction cover 1 and are continuously cut into crushed materials by the cutting device until the size of the particles can pass through the screen 13.
After the second motor 9 and the second extraction pump 16 are started, muddy water entering the inner cylinder 4 of the separation box is stirred by the stirring paddle 5, part of water is thrown out due to centrifugal action and flows into the outer cylinder 3 through the separation holes 20 uniformly distributed on the inner cylinder 4, and mud with larger particles which cannot pass through the separation holes 20 is extracted out of the inner cylinder 4 by the second extraction pump 16 in the stirring of the stirring paddle 5 and flows out through the sewage discharge hole 15 for next treatment; the muddy water that gets into outer tube 3, after the sediment of a period of time, the water that highly reaches the wash port 14 height can flow out from wash port 14, the silt of great granule has been separated out, the water that flows out from wash port 14, be favorable to carrying out follow-up sewage advanced treatment, for example, according to the blowdown standard needs, the staff can set up filtration membrane on wash port 14, carry out high-efficient separation to sewage through membrane treatment technology, just the method is mainly used for the advanced treatment and the second grade of waste water, the equipment is simple, energy-conservation, normal atmospheric temperature operation, advantages such as pollution-free, wide application in numerous trades of industrial field. And the small-particle silt settled at the bottom of the outer cylinder 3 can be discharged and treated by opening the sewage discharge hole 15 after a period of time according to the sedimentation condition.
The second motor 9 and the second extraction pump 16 may be operated in an intermittent on and off manner according to the extraction workload. When the first motor 8 and the first extraction pump 2 work, slurry continuously enters the inner barrel 4 in the separation box, when the inner barrel 4 is filled with slurry, the second motor 9 and the second extraction pump 16 are started, at the moment, the stirring paddle 5 starts to rotate, the second extraction pump 16 extracts the slurry from the inner barrel 5, after the slurry in the inner barrel is extracted, the second motor 9 and the second extraction pump 16 are closed, in the process of waiting for the slurry to continuously enter the inner barrel 4 in the separation box again, the stirring paddle 5 stops rotating due to the fact that the second motor 9 is closed, the slurry flowing into the outer barrel 3 from the separation hole 20 of the inner barrel 4 can still precipitate, better precipitation and filtration effects are achieved, and the second motor 9 and the second extraction pump 16 are in the mode, so that the device is more environment-friendly and energy-saving.
By using the river channel decontamination device, vine plants, branches and garbage which is difficult to degrade and has larger volume in slurry can be effectively prevented from entering the inside of the decontamination device, so that parts and the whole device are damaged; the separator box can carry out the preliminary separation to muddy water and purify, and the development of follow-up water treatment work of being convenient for provides effective support to sewage treatment's advanced treatment.
Furthermore, spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", etc. are used to define the components, and are only used to facilitate distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, especially, have no special meaning in "main, secondary" or arrangement order, and therefore, should not be construed as limiting the scope of the present application.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (8)
1. The utility model provides a river course device of decontaminating which characterized in that: comprises a sewage suction cover (1), a first extraction pump (2), a second extraction pump (16) and a separation box; the sewage suction cover (1) is of a cylindrical structure with a downward opening, the top end of the sewage suction cover (1) is communicated with one end of a first extraction pump (2) through a sewage suction pipe (10), a cutting device is arranged inside the sewage suction cover (1), a first motor (8) is arranged outside the sewage suction cover (1), and one end of the cutting device penetrates through one side of the sewage suction cover (1) and is in transmission connection with an output shaft of the first motor (8); the other end of the extraction pump is communicated with the top of the separation box through a sewage discharge pipe (11); the separation box comprises an inner cylinder (4) and an outer cylinder (3), a second motor (9) is arranged at the top of the separation box, a stirring paddle (5) is arranged in the inner cylinder (4), the top of the stirring paddle (5) is in transmission connection with an output shaft of the second motor (9), separation holes (20) are formed in the periphery of the inner cylinder (4), and the top of the inner cylinder (4) is communicated with a second extraction pump (16); the top end of the outer barrel (3) is provided with a pulp inlet hole, the top of the outer side of the outer barrel (3) is provided with a water drain hole (14), and the bottom of the outer barrel (3) is provided with a sewage discharge hole (15).
2. The river channel decontamination device of claim 1, wherein: sharp teeth (12) are arranged on the outer edge of the opening of the dirt suction cover (1).
3. The river channel decontamination device of claim 1, wherein: the cutting device comprises two groups of cutting shafts (6) which are arranged in parallel, two ends of each of the two cutting shafts (6) are respectively rotatably connected with the inner walls of two sides of the dirt absorbing cover (1), a plurality of crushing teeth (7) are fixedly connected to the outer walls of the two groups of cutting shafts (6) in an annular array at equal intervals, and the crushing teeth (7) on the two groups of cutting shafts (6) are arranged in a staggered mode.
4. The river channel decontamination device of claim 3, wherein: one group of cutting shafts (6) are in transmission connection with an output shaft of the first motor (8), the outer side of the other group of cutting shafts (6) is provided with a belt (18) wheel, and the two groups of cutting shafts (6) which are arranged in parallel are in transmission connection through the belt (18).
5. The river channel decontamination device of claim 1, wherein: a screen (13) is fixedly connected between the top end closing opening of the sewage suction cover (1) and the bottom end of the sewage suction pipe (10).
6. The river course decontaminating apparatus according to claim 5, wherein: the separating holes (20) are uniformly distributed on the periphery of the inner cylinder (4), and the aperture of the separating holes (20) is smaller than the diameter of the meshes of the screen (13).
7. The river channel decontamination device of claim 1, wherein: stirring rake (5) are including actuating lever and paddle (19), the last case wall that the actuating lever upper end passed the separator box is connected with separator box top second motor (9) sets firmly, the lower extreme of actuating lever extends to the lower part inner chamber of inner tube (4), and the periphery equipartition of actuating lever has bar paddle (19).
8. The river channel decontamination device of claim 1, wherein: a motor box (17) is arranged on the outer side of the dirt absorbing cover (1), and a first motor (8) and a belt (18) are arranged in the motor box (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011325237.9A CN112554261A (en) | 2020-11-23 | 2020-11-23 | River course device of decontaminating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011325237.9A CN112554261A (en) | 2020-11-23 | 2020-11-23 | River course device of decontaminating |
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| Publication Number | Publication Date |
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| CN112554261A true CN112554261A (en) | 2021-03-26 |
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ID=75044931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011325237.9A Pending CN112554261A (en) | 2020-11-23 | 2020-11-23 | River course device of decontaminating |
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| CN (1) | CN112554261A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185078A (en) * | 2021-03-31 | 2021-07-30 | 重庆城市管理职业学院 | Movable sludge treatment equipment |
| CN113748966A (en) * | 2021-08-06 | 2021-12-07 | 兰州理工大学 | Irrigation management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207073156U (en) * | 2017-08-25 | 2018-03-06 | 项瑞梁 | Riverway waste cleaning ship |
| CN208618478U (en) * | 2018-07-24 | 2019-03-19 | 徐州庚辰工贸有限公司 | A kind of quick Accrete clearing device of hydraulic engineering with agitating function |
| US20190242091A1 (en) * | 2018-02-08 | 2019-08-08 | Xiaojun Liu | Water conservating silt discharging device |
| CN211714077U (en) * | 2020-02-14 | 2020-10-20 | 姜言亮 | Dredging device for river channel |
-
2020
- 2020-11-23 CN CN202011325237.9A patent/CN112554261A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207073156U (en) * | 2017-08-25 | 2018-03-06 | 项瑞梁 | Riverway waste cleaning ship |
| US20190242091A1 (en) * | 2018-02-08 | 2019-08-08 | Xiaojun Liu | Water conservating silt discharging device |
| CN208618478U (en) * | 2018-07-24 | 2019-03-19 | 徐州庚辰工贸有限公司 | A kind of quick Accrete clearing device of hydraulic engineering with agitating function |
| CN211714077U (en) * | 2020-02-14 | 2020-10-20 | 姜言亮 | Dredging device for river channel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185078A (en) * | 2021-03-31 | 2021-07-30 | 重庆城市管理职业学院 | Movable sludge treatment equipment |
| CN113748966A (en) * | 2021-08-06 | 2021-12-07 | 兰州理工大学 | Irrigation management system |
| CN113748966B (en) * | 2021-08-06 | 2023-08-25 | 兰州理工大学 | irrigation management system |
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Application publication date: 20210326 |
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