CN114541516A - Coarse grid filtering and cleaning structure of water intake - Google Patents
Coarse grid filtering and cleaning structure of water intake Download PDFInfo
- Publication number
- CN114541516A CN114541516A CN202210222596.4A CN202210222596A CN114541516A CN 114541516 A CN114541516 A CN 114541516A CN 202210222596 A CN202210222596 A CN 202210222596A CN 114541516 A CN114541516 A CN 114541516A
- Authority
- CN
- China
- Prior art keywords
- water
- coarse grid
- motor
- dam
- water channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
-
- 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
- E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a water intake coarse grid filtering and cleaning structure, which relates to the field of nuclear power station water intake filtering and cleaning structures and solves the problems that an existing nuclear power station water intake filtering device is easy to block, manual blockage cleaning is greatly restricted by weather environment, chemical drugs are put in the filtering device, equipment is affected and marine environment is polluted. The device has the characteristics of high intelligent degree, convenience in cleaning the water intake of the nuclear power station and capability of effectively salvaging the blockage.
Description
Technical Field
The invention relates to the field of water intake over-filtration cleaning structures of nuclear power stations, in particular to a water intake coarse grid over-filtration cleaning structure.
Background
The problem of blockage of a filter device at a water intake of a nuclear power station is an urgent problem to be solved by the nuclear industry of various countries. The nuclear power unit has the advantages that a large amount of marine organisms are accumulated to block a filter device of a water intake of a nuclear power station, so that the nuclear power unit is subjected to power reduction and shutdown events, huge economic loss is borne, and great production potential safety hazards are brought. At present, most of filter devices adopted by a water intake of a nuclear power station in China are coarse grids, and the existing cleaning modes of the coarse grids are mainly divided into two categories:
cleaning by manpower at regular intervals
The mode is greatly influenced by climate and environment, particularly when typhoon comes, a large amount of floating objects and domestic garbage quickly rush to a water intake, workers are difficult to operate in the typhoon environment, if blockage is not cleared timely, the cooling of nuclear power station core equipment is threatened, the work of the whole nuclear power station is influenced, and great production safety hidden danger is brought.
Administering chemical drugs
Through put into chemical medicine at the water intaking mouth and restrain the growth of marine organism or directly kill it, reduce adnexed marine organism on the thick grid, carry out indirect clearance to the thick grid, reduce the probability that water intaking system blockked up. However, the inhibition effect is very limited, especially in the season of vigorous growth and breeding of marine organisms, the small-dose drug delivery is difficult to play a role, and the large-dose drug delivery can cause certain influence on working instruments of the nuclear power station, even can affect the marine ecological environment, and has too large risk.
Therefore, a coarse grid filtering cleaning structure of the water intake is provided.
Disclosure of Invention
The invention aims to provide a coarse grid filtering and cleaning structure for a water intake, which solves the problems that the existing filtering device for the water intake of a nuclear power station is easy to block, is greatly restricted by weather environment through manual blockage cleaning, and can affect equipment and pollute marine environment when chemical medicines are put in.
In order to achieve the purpose, the invention provides the following technical scheme: a filtering and cleaning structure for a coarse grating of a water intake comprises a dam water channel, a water inlet, a water outlet, water baffles, a coarse grating, a flow velocity sensor and an underwater camera, wherein the inner walls of the left side and the right side of the dam water channel are respectively provided with a slide way and a slide rail, the inner walls of the left side and the right side of the dam water channel are provided with a groove, the upper end and the lower end between the inner walls of the front side and the rear side of each groove are fixedly provided with an electrified baffle plate, a connecting shaft is arranged between the electrified baffle plates on the upper side and the lower side, and a first motor is respectively arranged in the slide way and the slide rail, and the output end of the lower side of each first motor is fixedly connected with a screw rod, the surface of the screw rod is sheathed with a slide block in a threaded manner, an electric slide rod is fixedly connected between the slide blocks at the left side and the right side, and the surface of the electric slide bar is sleeved with an electric slide block in a sliding manner, the electric slide block is provided with a cleaning mechanism, and the water outlet is provided with a fishing mechanism.
Preferably, the breakwater sets up in water inlet department to with be provided with elevating gear between the dam water course, thick grid fixed mounting is in the inner wall of dam water course between two parties, the slide sets up with the slide rail bilateral symmetry, and sets up between water inlet and thick grid with the recess, the recess sets up in slide and slide rail front side.
Preferably, the cleaning mechanism comprises a second motor, a circular cleaning brush and a four-blade cutter, the second motor is fixedly mounted on the rear side of the electric sliding block, the circular cleaning brush is fixedly mounted at the output end of the rear side of the second motor, and the four-blade cutter is mounted at the center of the circular cleaning brush.
Preferably, salvage the mechanism and include third motor, pivot, salvage roll board, the mesh of permeating water, the delivery port right side fixed mounting in dam water course has the third motor, third motor right side output end fixedly connected with pivot, the left end of pivot is passed through the bearing and is connected with the left side inner wall rotation in dam water course, and the pivot is two settings from top to bottom in the dam water course, salvage the surface that the roll board cover was established in two upper and lower pivots, salvage the surface array of roll board and seted up the mesh of permeating water.
Preferably, the four-blade cutter is embedded in the circular cleaning brush, and the rear end of the circular cleaning brush is attached to the front side face of the thick grating.
Preferably, the output end of the left side of the third motor is fixedly sleeved with the rotating shaft on the upper side, and the distance between the two sides of the salvaging rolling plate and the dam water channel is 1-3 CM.
Preferably, the lower inner wall of the dam water channel is provided with a front underwater camera and a rear underwater camera which are respectively arranged on the front side and the rear side of the water baffle and face opposite directions.
Preferably, a plurality of flow velocity sensors are arranged on the inner walls of the left side and the right side of the dam water channel in an array mode, and the flow velocity sensors are arranged on the inner walls of the left side and the right side of the dam water channel between the coarse grating and the salvaging rolling plate.
Compared with the prior art, the coarse grid filtering and cleaning structure for the water intake provided by the invention has the following beneficial effects:
1. the invention provides a coarse grid filtering and cleaning structure of a water intake, which is characterized in that underwater cameras are arranged on the front side and the rear side of a water baffle, thus, when the water baffle is opened and water passes through the water channel of the dam, observation can be carried out through the water baffle, when marine organisms enter the dam water channel, the background controls the electrified baffle plate to discharge electricity so as to stun the organisms, and flows along with the water flow, and when the flow velocity detected by the flow velocity sensor is reduced, the sliding block can be controlled by the first motor and the second motor to drive the electric sliding rod to move up and down and move left and right on the surface of the electric sliding rod, thereby driving the round cleaning brush to rotate at one side of the thick grating to clean the thick grating, and can cut some blockages and stir garrulously through the four-bladed cutter of the embedded installation of circular cleaning brush, and then can effectually clear up the grid.
2. The invention provides a coarse grid filtering and cleaning structure of a water intake, wherein marine organisms stunned by a power-on fence plate and blockages cleaned and broken by a circular cleaning brush and a four-blade cutter flow onto a salvaging rolling plate through the coarse grid, the salvaging rolling plate is driven to rotate by a third motor, and the blockage residues are salved.
Drawings
Fig. 1 is a schematic structural diagram of a coarse grid filtering and cleaning structure of a water intake.
Fig. 2 is a schematic view of a filtering structure of a coarse grid of a water intake.
Fig. 3 is a schematic side view of a coarse grid filtering structure of a water intake.
Fig. 4 is a rear view of a coarse grid filtering cleaning structure of a water intake.
Fig. 5 is a right side view of a coarse grid filtering cleaning structure of a water intake.
Fig. 6 is a top view of a coarse grid filter cleaning structure of a water intake.
In the figure: 1. a dam waterway; 2. a water inlet; 3. a water outlet; 4. a water baffle; 5. coarse grating; 6. a slideway; 7. a slide rail; 8. a groove; 9. a power-on balustrade; 10. a connecting shaft; 11. a first motor; 12. a slider; 13. a screw rod; 14. an electric slide bar; 15. an electric slider; 16. a circular cleaning brush; 17. a four-blade cutter; 18. a third motor; 19. a rotating shaft; 20. fishing the rolled plate; 21. water-permeable meshes; 22. a flow rate sensor; 23. provided is an underwater camera.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-6, the present invention provides a technical solution: a coarse grid filtering and cleaning structure of a water intake comprises a dam water channel 1, a water inlet 2, a water outlet 3, a water baffle 4, a coarse grid 5, a flow velocity sensor 22 and an underwater camera 23, wherein the inner walls of the left side and the right side of the dam water channel 1 are respectively provided with a slide way 6 and a slide way 7, the inner walls of the left side and the right side of the dam water channel 1 are provided with grooves 8, the upper end and the lower end between the inner walls of the front side and the rear side of each groove 8 are respectively and fixedly provided with an electrified baffle plate 9, a connecting shaft 10 is arranged between the electrified baffle plates 9 of the upper side and the lower side, the slide way 6 and the slide way 7 are respectively provided with a first motor 11, the output end of the lower side of each first motor 11 is respectively and fixedly connected with a screw rod 13, a slide block 12 is sleeved on the surface of the screw rod 13, an electric slide rod 14 is fixedly connected between the slide blocks 12 of the left side and the right side, an electric slide block 15 is sleeved with an electric slide block 15, a cleaning mechanism is arranged on the electric block 15, a salvaging mechanism is arranged at the water outlet 3, a water baffle 4 is arranged at the water inlet 2, a lifting device is arranged between the water baffle and the dam water channel 1, a coarse grating 5 is fixedly arranged on the inner wall of the dam water channel 1 in the middle, a slide way 6 and a slide rail 7 are arranged in bilateral symmetry, a groove 8 is arranged between the water inlet 2 and the coarse grating 5, the groove 8 is arranged at the front sides of the slide way 6 and the slide rail 7, the cleaning mechanism comprises a second motor, a circular cleaning brush 16 and a four-blade cutter 17, the second motor is fixedly arranged at the rear side of an electric slide block 15, the output end at the rear side of the second motor is fixedly provided with the circular cleaning brush 16, the center of the circular cleaning brush 16 is provided with the four-blade cutter 17, the salvaging mechanism comprises a third motor 18, a rotating shaft 19, a salvaging rolling plate 20 and a permeable mesh 21, the right side of the water outlet 3 of the dam water channel 1 is fixedly provided with the third motor 18, the output end at the right side of the third motor 18 is fixedly connected with the rotating shaft 19, the left end of pivot 19 is passed through the bearing and is connected with the left side inner wall rotation of dam water course 1, and pivot 19 is two settings from top to bottom in dam water course 1, salvages roll board 20 cover and establishes on two pivot 19's from top to bottom surfaces, salvages the surface array of roll board 20 and has seted up the mesh 21 that permeates water, and four blade cutters 17 are embedded in circular cleaning brush 16, and the rear end of circular cleaning brush 16 sets up with the front side laminating of thick grid 5.
In the embodiment, the underwater cameras 23 are arranged on the front side and the rear side of the water baffle plate, so that the water baffle plate 4 can be opened, when water passes through the dam water channel 1, observation is carried out through the underwater cameras, when marine organisms enter the dam water channel 1, the electrified baffle plate 9 is controlled by the background to discharge electricity, the organisms are stunned and flow along with water flow, meanwhile, when the flow rate detected by the flow rate sensor 22 is reduced, the electric slide bar 14 is driven to move up and down through the first motor 11 and the second motor, the electric slide bar 15 moves left and right on the surface of the electric slide bar 14, the circular cleaning brush 16 can be driven to rotate on one side attached to the coarse grating 5, the coarse grating 5 is cleaned, some blocking objects can be cut and crushed through the four-blade cutter 17 embedded in the circular cleaning brush 16, and the grating can be cleaned effectively, meanwhile, the circular cleaning brush 16 can be cleaned by ultrasonic wave, so that some hard marine adsorbates with strong adsorbability, such as oyster and barnacle, are cleaned, smashed and vibrated to fall off.
Example two:
referring to fig. 1-6, on the basis of the first embodiment, the present invention provides a technical solution: the output end on the left side of the third motor 18 is fixedly sleeved with the rotating shaft 19 on the upper side, the distance between the two sides of the fishing rolling plate 20 and the dam water channel 1 is 1-3CM, the lower inner wall of the dam water channel 1 is provided with a front underwater camera 23 and a rear underwater camera 23, the front underwater cameras are respectively arranged on the front side and the rear side of the water baffle 4, the directions of the front underwater cameras and the rear underwater cameras are opposite, the inner wall arrays on the left side and the right side of the dam water channel 1 are provided with a plurality of flow velocity sensors 22, and the flow velocity sensors 22 are arranged on the inner walls on the left side and the right side of the dam water channel 1 between the coarse grating 5 and the fishing rolling plate 20.
In this embodiment, through the marine organism that uses circular telegram breast board 9 to stun to and through the jam that circular cleaning brush 16 and four blade cutters 17 clearance were smashed will flow to salvaging on the roll board 20 through thick grid 5, and then drive through third motor 18 and salvage roll board 20 and rotate, and then drive and salvage above jam residue, only need set up a conveyer belt at the rear side of salvaging roll board 20 like this, can in time transport away the jam residue can.
The working principle is as follows: when the device is installed and used, during training, the underwater cameras 23 are arranged on the front side and the rear side of the water baffle plate, so that the water baffle plate 4 can be opened, when water passes through the dam water channel 1, observation is carried out through the underwater cameras, when marine organisms enter the dam water channel 1, the electrified baffle plate 9 is controlled by the background to discharge electricity, the organisms are stunned and flow along with water, meanwhile, when the flow rate detected by the flow rate sensor 22 is reduced, the electric slide bar 14 is driven to move up and down through the first motor 11 and the second motor, the electric slide bar 15 moves left and right on the surface of the electric slide bar 14, the circular cleaning brush 16 can be driven to rotate on one side attached to the coarse grating 5, the coarse grating 5 is cleaned, and some blockages can be cut and crushed through the four-blade cutter 17 embedded in the circular cleaning brush 16, the grille can be effectively cleaned, and meanwhile, the circular cleaning brush 16 can be combined with ultrasonic cleaning to clean some harder marine adsorbates with strong adsorbability, such as oyster and barnacle, by stirring and vibrating; through the marine organism that uses circular telegram breast board 9 to hit the halo to and through the jam that circular cleaning brush 16 and four blade cutters 17 clearance were smashed will flow to on salvaging roll board 20 through thick grid 5, and then drive through third motor 18 and salvage roll board 20 and rotate, and then drive and salvage above jam residue, only need set up a conveyer belt at the rear side of salvaging roll board 20 like this, can in time transport away the jam residue can.
Claims (8)
1. A coarse grid filtering and cleaning structure of a water intake comprises a dam water channel (1), a water inlet (2), a water outlet (3), water baffles (4), coarse grids (5), flow velocity sensors (22) and underwater cameras (23), wherein the inner walls of the left side and the right side of the dam water channel (1) are respectively provided with a slide rail (6) and a slide rail (7), the inner walls of the left side and the right side of the dam water channel (1) are provided with grooves (8), the coarse grid filtering and cleaning structure is characterized in that the upper end and the lower end between the inner walls of the front side and the rear side of each groove (8) are respectively and fixedly provided with an electrified baffle plate (9), a connecting shaft (10) is arranged between the electrified baffle plates (9) on the upper side and the lower side, first motors (11) are respectively arranged in the slide rail (6) and the slide rail (7), the output end of the lower side of each first motor (11) is respectively and fixedly connected with a screw rod (13), a slide block (12) is sleeved on the surface thread of each screw rod (13), the left and right sides be fixedly connected with electric slide bar (14) between slider (12), and the surperficial slip cover of electric slide bar (14) is equipped with electric slider (15), be provided with clearance mechanism on electric slider (15), delivery port (3) department is provided with salvages the mechanism.
2. The coarse grid filtering and cleaning structure of the water intake according to claim 1, wherein the water baffle (4) is arranged at the water inlet (2) and a lifting device is arranged between the water baffle and the dam water channel (1), the coarse grid (5) is fixedly arranged on the inner wall of the dam water channel (1) in the middle, the slide ways (6) and the slide rails (7) are arranged in bilateral symmetry, the groove (8) is arranged between the water inlet (2) and the coarse grid (5), and the groove (8) is arranged at the front sides of the slide ways (6) and the slide rails (7).
3. The coarse grid filtering and cleaning structure of the water intake according to claim 2, wherein the cleaning mechanism comprises a second motor, a circular cleaning brush (16) and a four-blade cutter (17), the second motor is fixedly installed at the rear side of the electric slide block (15), the output end of the rear side of the second motor is fixedly installed with the circular cleaning brush (16), and the four-blade cutter (17) is installed at the center of the circular cleaning brush (16).
4. The coarse grid filtering and cleaning structure of the water intake according to claim 3, wherein the fishing mechanism comprises a third motor (18), a rotating shaft (19), a fishing rolling plate (20) and water-permeable meshes (21), the third motor (18) is fixedly installed on the right side of the water outlet (3) of the dam water channel (1), the rotating shaft (19) is fixedly connected to the right output end of the third motor (18), the left end of the rotating shaft (19) is rotatably connected with the inner wall of the left side of the dam water channel (1) through a bearing, the rotating shaft (19) is arranged in the dam water channel (1) in an upper-lower mode, the fishing rolling plate (20) is sleeved on the surfaces of the upper-lower rotating shaft (19), and the water-permeable meshes (21) are formed in the surface array of the fishing rolling plate (20).
5. The coarse grid filtering structure of the water intake according to claim 4, wherein the four-blade cutter (17) is embedded in a circular cleaning brush (16), and the rear end of the circular cleaning brush (16) is attached to the front side surface of the coarse grid (5).
6. The coarse grid filtering cleaning structure of the water intake according to claim 5, wherein the output end of the left side of the third motor (18) is fixedly sleeved with the rotating shaft (19) on the upper side, and the distance between the two sides of the fishing rolling plate (20) and the dam water channel (1) is 1-3 CM.
7. The coarse grid filtering cleaning structure of the water intake according to claim 1, wherein the lower inner wall of the dam water channel (1) is provided with a front underwater camera and a rear underwater camera (23), and the front underwater camera and the rear underwater camera are respectively arranged on the front side and the rear side of the water baffle (4) and face oppositely.
8. The coarse grid filtering cleaning structure of the water intake according to claim 1, wherein a plurality of flow velocity sensors (22) are arranged on the left and right inner walls of the dam water channel (1) in an array manner, and the flow velocity sensors (22) are arranged on the left and right inner walls of the dam water channel (1) between the coarse grid (5) and the fishing coil (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222596.4A CN114541516A (en) | 2022-03-09 | 2022-03-09 | Coarse grid filtering and cleaning structure of water intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222596.4A CN114541516A (en) | 2022-03-09 | 2022-03-09 | Coarse grid filtering and cleaning structure of water intake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114541516A true CN114541516A (en) | 2022-05-27 |
Family
ID=81664495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210222596.4A Withdrawn CN114541516A (en) | 2022-03-09 | 2022-03-09 | Coarse grid filtering and cleaning structure of water intake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114541516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228174A (en) * | 2022-09-23 | 2022-10-25 | 珠江水利委员会珠江水利科学研究院 | System and method for cleaning water inlet and water outlet of upper warehouse of energy storage power station based on Internet of things |
-
2022
- 2022-03-09 CN CN202210222596.4A patent/CN114541516A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228174A (en) * | 2022-09-23 | 2022-10-25 | 珠江水利委员会珠江水利科学研究院 | System and method for cleaning water inlet and water outlet of upper warehouse of energy storage power station based on Internet of things |
| CN115228174B (en) * | 2022-09-23 | 2022-12-02 | 珠江水利委员会珠江水利科学研究院 | System and method for cleaning water inlet and outlet of energy storage power station warehouse based on Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114516695B (en) | Intelligent comprehensive treatment device for kitchen wastes | |
| CN108811704A (en) | Float formula pasture and water cutting and collect scrubbing device | |
| CN114541516A (en) | Coarse grid filtering and cleaning structure of water intake | |
| CN111827232A (en) | River course is renovated with floating formula rubbish cleaning device | |
| CN111155586B (en) | Treatment device and method for improving water quality of reservoir | |
| CN113863250A (en) | Municipal administration river course rubbish cleaning device | |
| CN214460761U (en) | Desilting device for river channel of ship port | |
| CN112695716B (en) | Wave drive formula marine environment handles with sea suspension rubbish cleaning device | |
| CN211285538U (en) | River channel garbage cleaning device | |
| CN111099671A (en) | Crushing type grid sewage-removing machine | |
| CN113953005B (en) | Drainage pump station for hydraulic engineering | |
| CN213926175U (en) | Pasture and water cleaning device with float structure function | |
| CN215312705U (en) | Waste recovery device for building engineering | |
| CN209866798U (en) | Raw and other materials belt cleaning device for feed production | |
| CN212271063U (en) | Hydraulic engineering desilting device | |
| CN113638460A (en) | River channel dredging ship | |
| CN203044106U (en) | Double-drum bar screen grinding cleaner | |
| CN111501679A (en) | Automatic device of decontaminating before power station trash rack | |
| CN216292185U (en) | Weeding device for river channel | |
| CN220746844U (en) | Channel floater collection device | |
| CN213298308U (en) | Crushing type cutting sewage pump | |
| CN217459110U (en) | Novel comprehensive treatment device for kitchen wastes | |
| CN218171033U (en) | Plastic waste reducing mechanism with cleaning function | |
| CN213926592U (en) | Anti-blocking water supply and drainage device for building hydraulic engineering | |
| CN219280818U (en) | Prefabricated pump station with crushing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220527 |
|
| WW01 | Invention patent application withdrawn after publication |