CN111869620B - A sewage discharge system for a high-density grass carp breeding tank - Google Patents
A sewage discharge system for a high-density grass carp breeding tank Download PDFInfo
- Publication number
- CN111869620B CN111869620B CN202010655821.4A CN202010655821A CN111869620B CN 111869620 B CN111869620 B CN 111869620B CN 202010655821 A CN202010655821 A CN 202010655821A CN 111869620 B CN111869620 B CN 111869620B
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- Prior art keywords
- fixedly connected
- sieve
- pivot
- sludge pump
- fixed
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- 239000010865 sewage Substances 0.000 title claims abstract description 24
- 241000252230 Ctenopharyngodon idella Species 0.000 title claims abstract description 21
- 238000009395 breeding Methods 0.000 title 1
- 230000001488 breeding effect Effects 0.000 title 1
- 230000000694 effects Effects 0.000 claims abstract description 25
- 239000010802 sludge Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002689 soil Substances 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000005188 flotation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/10—Cleaning bottoms or walls of ponds or receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Food Science & Technology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to the technical field of water tank pollution discharge and discloses a grass carp high-density culture water tank pollution discharge system which comprises a sludge pump, wherein the input end of the sludge pump is fixedly communicated with a sewage suction pipeline, the lower end of the sewage suction pipeline is fixedly sleeved with a fixing sleeve, and the outer surface of the fixing sleeve is fixedly sleeved with a mounting plate. This grass carp high density breed basin drain, through fixed cover joint respectively being located upper and lower stop collar of sieve on the surface of pivot for the pivot can freely rotate in the sieve, utilize the plectane of pivot top surface to connect the blade, make huge suction power in the dirt absorbing pipeline drive the blade rotatory, realize the rotation of pivot, and through the clearance pole of being connected in lower stop collar side, make the clearance pole rotatory in the sieve bottom surface all the time, and strike off the dirt of adhesion in the sieve bottom surface, avoid the sieve mesh jam of sieve, guarantee the suction effect, avoid the sludge pump idle running, avoid the unusual power consumption of sludge pump, excellent in use effect.
Description
Technical Field
The invention relates to the technical field of water tank sewage disposal, in particular to a sewage disposal system for a grass carp high-density culture water tank.
Background
In the grass carp cultivation process, grass carp is usually cultivated in a concrete water tank, and excrement and residual bait in the grass carp high-density cultivation process are accumulated at the bottom of the water tank, so that water quality is required to be treated and maintained in time, and a sludge pump communicating pipeline is adopted to realize cleaning.
The prior grass carp high-density cultivation water tank sewage disposal system has the advantages that in the use process, as the sieve plate is arranged at the bottom of the sewage suction pipeline, dirt is refined through meshes of the sieve plate, however, part of dirt has stronger adhesiveness, so that the dirt blocks the meshes of the sieve plate, the suction effect of the dirt is reduced, the dirt cleaning efficiency is reduced, the output power of a sludge pump is increased, the electric energy is consumed, the energy consumption of the sludge pump is increased, the energy conservation performance is not realized, the sludge pump idles even, the sludge pump is damaged, the dirt adsorption effect is poor, and the use effect is poor.
In addition, the prior grass carp high-density cultivation water tank sewage disposal system has the advantages that in the use process, because dirt has certain thickness, after the dirt suction pipeline falls to the top surface of the dirt, the bottom surface of the dirt suction pipeline is contacted with the dirt, the suction area is small, and because the dirt is relatively solid after being precipitated, the dirt forms a whole, the suction effect of the dirt is poor, the dirt cannot be effectively and rapidly sucked, the friction force between the dirt needs to be overcome, the dirt suction time is long, and the use effect is poor.
On the other hand, the sewage draining system of the prior grass carp high-density cultivation water tank is characterized in that in the use process, when the dirt at the bottom of the suction part is sucked, the dirt sucking pipeline is contacted with the concrete water tank by gravity, the bottom surface of the suction pipeline is blocked to a certain extent, the suction effect is poor, and when the suction pipeline is dragged to move, side turning is easily generated at the bottom of the suction pipeline, the suction port of the dirt sucking pipeline is changed, the dirt sucking effect is reduced, and the moving effect is poor.
Disclosure of Invention
The invention provides a sewage draining system of a grass carp high-density cultivation water tank, which has the advantages of avoiding blocking of a sieve plate, improving dirt sucking effect and facilitating movement of a dirt sucking pipeline, and solves the problems in the background art.
The invention provides a grass carp high-density cultivation water tank sewage disposal system which comprises a sludge pump, wherein the input end of the sludge pump is fixedly communicated with a sewage suction pipeline, the lower end of the sewage suction pipeline is fixedly sleeved with a fixing sleeve, the outer surface of the fixing sleeve is fixedly sleeved with a mounting plate, the bottom surface of the mounting plate is fixedly connected with a vertical rod, the bottom end of the vertical rod is fixedly provided with a truckle, the bottom surface of the inner surface of the fixing sleeve is fixedly sleeved with a sieve plate, the bottom surface of the sieve plate is movably sleeved with a rotating shaft, the outer surface of the rotating shaft is respectively sleeved with an upper limit sleeve and a lower limit sleeve, the outer surface of the lower limit sleeve is fixedly connected with a cleaning rod, the top surface of the rotating shaft is fixedly connected with a circular plate, the side surface of the circular plate is fixedly connected with a blade, the outer surface of the rotating shaft is movably clamped with a movable sleeve, and the outer surface of the movable sleeve is fixedly connected with a crushing rod.
Preferably, the upper limit sleeve is located above the screen plate, and the lower limit sleeve is located below the screen plate.
Preferably, the top surface of the movable sleeve is provided with an inner groove, and the side surface of the inner groove is provided with a clamping groove.
Preferably, the outer surface of the rotating shaft is movably sleeved with the inner groove, the clamping rod is fixedly connected with the outer surface of the rotating shaft, the outer surface of the clamping rod is movably clamped with the clamping groove, and a spring is fixedly connected between the bottom surface of the inner groove and the bottom surface of the rotating shaft.
Preferably, the side fixedly connected with backup pad of truckle, the medial surface fixedly connected with dead lever of backup pad, the inner fixedly connected with scraper blade of dead lever.
Preferably, the outer surface of the vertical rod is fixedly sleeved with a weight sleeve.
Preferably, the side surface of the sludge pump is fixedly connected with a connecting plate, and the side surface of the connecting plate is fixedly connected with a pontoon.
Preferably, the lower end of the movable sleeve is fixedly connected with a conical head, and the lower end of the conical head is positioned below the caster.
The invention has the following beneficial effects:
1. This grass carp high density breed basin drain through the bottom surface activity at the sieve adjusts the pivot to fixedly cup joint last stop collar and the lower stop collar that are located the sieve respectively on the surface of pivot, make the pivot can freely rotate in the sieve, the plectane that utilizes the pivot top surface connects the blade, make huge suction force in the dirt absorbing pipeline drive the blade rotatory, realize the rotation of pivot, and through the clearance pole of being connected in lower stop collar side, make the clearance pole rotatory in the sieve bottom surface all the time, and strike off the dirt of adhesion in the sieve bottom surface, avoid the sieve mesh jam of sieve, guarantee the suction effect, avoid the sludge pump idle running, avoid the unusual power consumption of sludge pump, excellent in use effect.
2. This grass carp high density breed basin drain through at the surface activity joint movable sleeve of pivot to at the broken pole of the surface connection of movable sleeve, make rotatory pivot drive movable sleeve rotatory, and make broken pole stir garrulous and the separation each other of dirt, avoid the dirt of adhesion each other to be difficult to the suction, strengthen the suction effect of dirt, save suction time, improve blowdown efficiency, excellent in use effect.
3. This grass carp high density breed basin drain through the bottom surface at the mounting panel connects the pole setting to add the truckle in the bottom surface of riser, and cup joint the heavy object cover at the external surface mounting of pole setting, make pole setting and truckle have and remove gravity, after the dirt suction of dirt absorbing pipeline bottom finishes, the truckle receives the action of gravity and falls on concrete tank top surface, and has vertical stability, when carrying out dirt absorbing pipeline again and remove, utilize the truckle to realize the steady removal of dirt absorbing pipeline, avoid the side turning of dirt absorbing pipeline, improve suction stability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is a schematic bottom view of the structural retaining sleeve of the present invention;
FIG. 4 is an exploded view of the screen deck and shaft of the present invention;
FIG. 5 is an exploded view of the present invention between the moving sleeve and the shaft;
FIG. 6 is a cross-sectional view of a structural active sleeve of the present invention;
fig. 7 is a schematic view of a caster of the present invention.
The device comprises a sludge pump, a soil sucking pipeline, a fixing sleeve, a mounting plate, a vertical rod, a trundle, a 7, a sieve plate, a 8, a rotating shaft, a 9, a circular plate, a 10, a blade, an 11, an upper limit sleeve, a 12, a lower limit sleeve, a 13, a cleaning rod, a 14, a clamping rod, a 15, a movable sleeve, a 16, an inner groove, a 17, a clamping groove, a 18, a conical head, a 19, a crushing rod, a 20, a supporting plate, a 21, a fixing rod, a 22, a scraper, a 23, a heavy object sleeve, a 24, a spring, a25, a connecting plate, a 26 and a pontoon.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a sewage drainage system for grass carp high-density cultivation water tank comprises a sludge pump 1, wherein the input end of the sludge pump 1 is fixedly communicated with a sewage suction pipeline 2, the lower end of the sewage suction pipeline 2 is fixedly sleeved with a fixed sleeve 3, the outer surface of the fixed sleeve 3 is fixedly sleeved with a mounting plate 4, the bottom surface of the mounting plate 4 is fixedly connected with a vertical rod 5, the bottom end of the vertical rod 5 is fixedly provided with a truckle 6, the bottom surface of the inner surface of the fixed sleeve 3 is fixedly sleeved with a screen plate 7, the bottom surface of the screen plate 7 is movably sleeved with a rotating shaft 8, the outer surface of the rotating shaft 8 is respectively sleeved with an upper limit sleeve 11 and a lower limit sleeve 12, the outer surface of the lower limit sleeve 12 is fixedly connected with a cleaning rod 13, the top surface of the rotating shaft 8 is fixedly connected with a circular plate 9, the side surface of the circular plate 9 is fixedly connected with a blade 10, the outer surface of the rotating shaft 8 is movably clamped with a movable sleeve 15, and the outer surface of the movable sleeve 15 is fixedly connected with a crushing rod 19.
Wherein, go up stop collar 11 and be located the top of sieve 7, lower stop collar 12 is located the below of sieve 7, utilizes last stop collar 11 and lower stop collar 12 to guarantee that pivot 8 can not slide from top to bottom, guarantees that pivot 8 is only rotary motion.
Wherein, the top surface of the movable sleeve 15 is provided with an inner groove 16, the side surface of the inner groove 16 is provided with a clamping groove 17, and the movable sleeve 15 rotates along with the rotating shaft 8 and has an upward movement effect by utilizing the clamping groove 17 and the clamping rod 14 on the outer surface of the rotating shaft 8 to be movably clamped.
The outer surface of the rotating shaft 8 is movably sleeved with the inner groove 16, the clamping rod 14 is fixedly connected to the outer surface of the rotating shaft 8, the outer surface of the clamping rod 14 is movably clamped with the clamping groove 17, a spring 24 is fixedly connected between the bottom surface of the inner groove 16 and the bottom surface of the rotating shaft 8, the movable sleeve 15 can move up and down along the rotating shaft 8 by utilizing the elasticity of the spring 24, and the effect of compressing the spring 24 by upwards moving after contacting the bottom surface of the water tank is ensured while the effect of breaking dirt is ensured.
Wherein, the side fixedly connected with backup pad 20 of truckle 6, the medial surface fixedly connected with dead lever 21 of backup pad 20, the inner fixedly connected with scraper blade 22 of dead lever 21 utilizes scraper blade 22 to realize the clearance of truckle 6 runner, avoids runner adhesion a large amount of dirt.
Wherein, the outer surface fixed sleeve of pole setting 5 has cup jointed heavy object cover 23, utilizes heavy object cover 23 to improve the gravity of pole setting 5 for truckle 6 has downward stability, avoids turning on one's side.
Wherein, the side fixedly connected with connecting plate 25 of sludge pump 1, the side fixedly connected with flotation pontoon 26 of connecting plate 25 utilizes the buoyancy effect of flotation pontoon 26, realizes the floating of sludge pump 1, guarantees the stability that sludge pump 1 is located on the surface of water.
The lower end of the movable sleeve 15 is fixedly connected with a conical head 18, the lower end of the conical head 18 is positioned below the caster 6, and the movable sleeve 15 is convenient to insert dirt by using the conical head 18, so that the suction effect is improved.
The working principle is that the sludge pump 1 is started, sludge at the bottom of the sewage suction pipeline 2 is sucked upwards, the blades 10 rotate and drive the rotating shaft 8 connected with the bottom end of the circular plate 9 to rotate, the lower limit sleeve 12 rotates, the cleaning rod 13 connected to the side face of the lower limit sleeve 12 rotates to scrape the bottom face of the sieve plate 7, the rotating shaft 8 drives the movable sleeve 15 movably clamped at the outer side of the rotating shaft 8 to rotate along with the rotation of the blades 10, the crushing rod 19 on the outer surface of the movable sleeve 15 rotates to stir the dirt layers, the dirt layers are separated from each other and crushed and sucked into the sewage suction pipeline 2, when the dirt at the bottom of the sewage suction pipeline 2 is sucked and the bottom face of the water tank leaks out, the conical head 18 drives the movable sleeve 15 to compress the spring 24, the movable sleeve 15 moves upwards along the rotating shaft 8, the caster 6 contacts the bottom face of the water tank, and the caster 6 moves along the bottom face of the water tank along with the movement of the sewage suction pipeline 2.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a grass carp high density cultivation basin drain, includes sludge pump (1), its characterized in that the input of sludge pump (1) is fixed to be linked together has soil pick-up pipeline (2), the lower extreme of soil pick-up pipeline (2) is fixed to be cup jointed fixed cover (3), the surface fixed of fixed cover (3) has cup jointed mounting panel (4), the bottom surface fixedly connected with pole setting (5) of mounting panel (4), the bottom fixed mounting of pole setting (5) has truckle (6), the bottom surface fixed cup joint of fixed cover (3) internal surface sieve (7), the bottom surface activity of sieve (7) has cup jointed pivot (8), the surface of pivot (8) has cup jointed upper limit sleeve (11) and lower limit sleeve (12) respectively, the surface fixed connection of lower limit sleeve (12) has clearance pole (13), the top surface fixed connection of pivot (8) has plectane (9), the side fixed connection of plectane (9) has blade (10), the surface activity joint of pivot (8) has movable sleeve (15), the surface activity joint of pivot (8) has broken pole (19).
An inner groove (16) is formed in the top surface of the movable sleeve (15), and a clamping groove (17) is formed in the side surface of the inner groove (16);
the side surface of the trundle (6) is fixedly connected with a supporting plate (20), the inner side surface of the supporting plate (20) is fixedly connected with a fixed rod (21), and the inner end of the fixed rod (21) is fixedly connected with a scraping plate (22);
The outer surface of the upright rod (5) is fixedly sleeved with a weight sleeve (23);
the lower end of the movable sleeve (15) is fixedly connected with a conical head (18), and the lower end of the conical head (18) is positioned below the caster wheel (6).
2. The high-density grass carp culture water tank sewage disposal system as claimed in claim 1, wherein the upper limit sleeve (11) is positioned above the sieve plate (7), and the lower limit sleeve (12) is positioned below the sieve plate (7).
3. The grass carp high-density cultivation water tank sewage disposal system of claim 1, wherein the outer surface of the rotating shaft (8) is movably sleeved with the inner groove (16), a clamping rod (14) is fixedly connected to the outer surface of the rotating shaft (8), the outer surface of the clamping rod (14) is movably clamped with the clamping groove (17), and a spring (24) is fixedly connected between the bottom surface of the inner groove (16) and the bottom surface of the rotating shaft (8).
4. The grass carp high-density cultivation water tank sewage disposal system of claim 1, wherein a connecting plate (25) is fixedly connected to the side face of the sludge pump (1), and a pontoon (26) is fixedly connected to the side face of the connecting plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655821.4A CN111869620B (en) | 2020-07-09 | 2020-07-09 | A sewage discharge system for a high-density grass carp breeding tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655821.4A CN111869620B (en) | 2020-07-09 | 2020-07-09 | A sewage discharge system for a high-density grass carp breeding tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111869620A CN111869620A (en) | 2020-11-03 |
| CN111869620B true CN111869620B (en) | 2025-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010655821.4A Active CN111869620B (en) | 2020-07-09 | 2020-07-09 | A sewage discharge system for a high-density grass carp breeding tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112517406B (en) * | 2020-11-11 | 2021-09-21 | 郭秋生 | Civil engineering field waste material classification recovery device based on environmental protection |
| CN112547724A (en) * | 2020-11-20 | 2021-03-26 | 徐州蓝湖信息科技有限公司 | Suction head assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212629595U (en) * | 2020-07-09 | 2021-03-02 | 盐城工业职业技术学院 | A high-density grass carp aquaculture tank sewage system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100930602B1 (en) * | 2009-06-12 | 2009-12-09 | 의왕개발 주식회사 | Eco-friendly dredger |
| CN207260220U (en) * | 2017-08-25 | 2018-04-20 | 上海环能企业发展有限公司 | A kind of silt-cleaning vessel for river way |
| CN107836407A (en) * | 2017-11-24 | 2018-03-27 | 无锡流水鱼智能科技有限公司 | A kind of flowing water fish culture tank calandria dirt collection sewage sucking system and its method of work |
| PT3560613T (en) * | 2018-04-26 | 2024-11-26 | Gerotto Federico S R L | Suction device for the removal of muddy and/or viscous sediment stratified on the bottom of a storage tank bottom |
| CN108411970A (en) * | 2018-04-28 | 2018-08-17 | 黄宇松 | Dredging device for hydraulic engineering |
| CN209185431U (en) * | 2018-12-04 | 2019-08-02 | 中国水产科学研究院南海水产研究所 | Cultivating pool sewage suction device |
| CN210597429U (en) * | 2019-09-06 | 2020-05-22 | 王玉玲 | Water conservancy water and electricity is ditch desilting device for construction |
| CN210857337U (en) * | 2019-10-29 | 2020-06-26 | 中建管建设项目管理有限公司 | Hydraulic and hydroelectric engineering is with high-efficient desilting equipment |
| CN210946961U (en) * | 2019-10-31 | 2020-07-07 | 周口市水利建筑工程局 | Hydraulic engineering's silt clean-up equipment |
| CN111188376B (en) * | 2020-03-11 | 2024-12-03 | 中国电建集团贵阳勘测设计研究院有限公司 | Reservoir sludge cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212629595U (en) * | 2020-07-09 | 2021-03-02 | 盐城工业职业技术学院 | A high-density grass carp aquaculture tank sewage system |
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