CN113893595A - Floater collecting device for ecological aquatic product cultivation - Google Patents
Floater collecting device for ecological aquatic product cultivation Download PDFInfo
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- CN113893595A CN113893595A CN202111288934.6A CN202111288934A CN113893595A CN 113893595 A CN113893595 A CN 113893595A CN 202111288934 A CN202111288934 A CN 202111288934A CN 113893595 A CN113893595 A CN 113893595A
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- collecting
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- filter screen
- aquatic product
- fixed plate
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- 238000007667 floating Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 208000034699 Vitreous floaters Diseases 0.000 description 16
- 238000003825 pressing Methods 0.000 description 11
- 238000009360 aquaculture Methods 0.000 description 7
- 244000144974 aquaculture Species 0.000 description 7
- 241000251468 Actinopterygii Species 0.000 description 5
- 241001465754 Metazoa Species 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 235000015170 shellfish Nutrition 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 244000268590 Euryale ferox Species 0.000 description 1
- 235000006487 Euryale ferox Nutrition 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000010824 fish disease Diseases 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydroponics (AREA)
Abstract
The invention discloses a floating object collecting device for ecological aquatic product cultivation, which belongs to the technical field of collecting devices and comprises a base, wherein supporting rods are arranged at the positions, close to corners, of the upper end surface of the base, sliding plates are sleeved on the supporting rods in a threaded manner, a fixing ring is fixedly arranged between the sliding plates, a collecting barrel is fixedly arranged in the fixing ring, a filter screen is arranged in the collecting barrel, and a baffle is arranged at the position, close to the upper end, in the collecting barrel; the inner wall of collecting vessel is close to the fixed position of upper end and has the fixed plate, the up end fixed mounting of fixed plate has the stopper, the border of filter screen hangs on the stopper, the inner wall fixed mounting of collecting vessel has the backup pad that is located the fixed plate top, the position that the inside of collecting vessel is located the fixed plate upper end is provided with the clamping ring, the lower terminal surface fixed mounting of clamping ring has the limiting plate, the spacing groove has been seted up to the lower terminal surface of limiting plate, can be convenient for dismantle the change to the filter screen wherein, and prevent to take place the floater condition of floating back.
Description
Technical Field
The invention relates to the technical field of collecting devices, in particular to a floating object collecting device for ecological aquatic product cultivation.
Background
The aquaculture industry is a production industry for cultivating aquatic economy animals and plants by using a suitable water area. An important component of fisheries. The time when people are engaged in aquaculture is later than the fishing industry which adopts natural aquatic resources. The emergence and development of aquaculture industry, which is one of the agricultural production departments, marks the enhancement of the human influence and the ability to control water areas, and the aquaculture industry is a water area which can be used by human for cultivation (including planting), and utilizes aquaculture technology and facilities to perform aquatic economic animal and plant cultivation according to the ecological habits of cultivation objects and the requirements on the environmental conditions of the water areas. According to different water area properties, the method is divided into a mariculture industry and a freshwater culture industry. According to the objects of cultivation and planting, the fish, shrimp, crab, shellfish, algae, gordon euryale seed, lotus root, etc. are divided into fish, shrimp, crab, shellfish, etc.
The water is the environment for the fish to live in, and the better water can reduce the occurrence of fish diseases and is more beneficial to the growth and the survival of the fish. In actual production, the quality of water can be judged through the change of water color, ammonia nitrogen content, bottom mud color and the like, and due to the deposition of humus in pool water, animal residues, residual bait and excrement are decomposed after being deposited at the bottom of the pool, so that the bottom mud in the pool is blackened and smelled, harmful substances such as methane, hydrogen sulfide and nitrite are easily generated, and the threat to aquatic animals living in middle and lower layers is easily caused.
The traditional Chinese patent (publication number: CN112495034A) discloses a suspended matter collecting device for aquaculture, which comprises a trapezoidal box, wherein a filter box is arranged in the trapezoidal box, the side wall of the filter box extends outwards to form a fixed edge, a plurality of positioning bolts matched with the trapezoidal box are arranged on the fixed edge, a filter screen piece is arranged in the filter box, a water pumping mechanism is arranged at the bottom of the trapezoidal box, a reset mechanism matched with the water pumping mechanism is arranged in the filter box, a movable plate is fixedly connected to the side wall of the trapezoidal box, a lifting mechanism matched with the trapezoidal box is arranged on the movable plate, and a separation screen is fixedly connected to the movable plate. The invention adopts the mode of matching the filter screen piece and the isolation screen, the isolation screen can prevent large-scale floaters and cultured fishes from being sucked, the first filter screen and the second filter screen adopt the filter screens with different meshes, and suspended matters with different sizes can be filtered step by step, thereby efficiently filtering different suspended matters.
In the process of raising in the existing aquaculture, a lot of suspended matters often appear, and in the process of collecting the suspended matters, the filter screen in the suspended matters is difficult to disassemble and replace, and the condition that the floating matters float back easily occurs.
Based on the above, the invention designs the floating object collecting device for ecological aquatic product cultivation to solve the problems.
Disclosure of Invention
The invention aims to provide a floating object collecting device for ecological aquatic product cultivation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a floater collecting device for ecological aquatic product cultivation comprises a base, wherein supporting rods are arranged at positions, close to corners, of the upper end face of the base, sliding plates are sleeved on the supporting rods in a threaded mode, a fixing ring is fixedly installed between the sliding plates, a collecting barrel is fixedly installed inside the fixing ring, a filter screen is arranged inside the collecting barrel, and a baffle is arranged at a position, close to the upper end, inside the collecting barrel;
the inner wall of collecting vessel is close to the fixed position of upper end and has the fixed plate, and the up end fixed mounting of fixed plate has the stopper, and the border of filter screen hangs on the stopper, and the inner wall fixed mounting of collecting vessel has the backup pad that is located the fixed plate top, and the position that the inside of collecting vessel is located the fixed plate upper end is provided with the clamping ring, and the lower terminal surface fixed mounting of clamping ring has the limiting plate, and the spacing groove has been seted up to the lower terminal surface of limiting plate, spacing groove and stopper phase-match.
Preferably, a limiting rod is fixedly connected between the supporting plate and the fixing plate, a second spring is sleeved on the limiting rod in a sliding mode, and the second spring is fixedly installed between the pressing ring and the fixing plate.
Preferably, the guide plate is detachably mounted at the top end of the inner part of the collecting barrel, the guide rod is fixedly mounted between the guide plate and the supporting plate, and the lifting plate is slidably mounted on the guide rod.
Preferably, the baffle is fixedly installed between the lifting plates, a first spring is fixedly installed between the lifting plates and the supporting plate, and the first spring is sleeved on the guide rod.
Preferably, the outer side surface of the baffle is positioned below the guide plate, and the top end surface of the guide plate is an inclined surface.
Preferably, the upper end face of the baffle is provided with filtering holes, and the aperture of each filtering hole is larger than that of the filter screen.
Preferably, the top end face of each supporting rod is fixedly provided with a top plate, one supporting rod is in threaded connection with the sliding plate, and the lower end face of each supporting rod is rotatably connected with the base.
Preferably, the lower end surface center position of the collecting barrel is provided with a water outlet pipe, and the other end of the water outlet pipe is connected with a water suction pump.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is installed at the bottom end of an aquatic product culture pond by adopting a base, then the filter screen is placed in the collecting barrel, the pressing ring is lifted upwards, the second spring is stretched to separate the limiting block from the limiting plate, the edge of the filter screen is hung on the limiting block, the pressing ring is loosened, the second spring releases tension to enable the pressing ring to move downwards, and the limiting groove in the limiting plate is driven to be in contact with the limiting block, so that the edge of the filter screen is limited on the limiting block and is fixed by adopting the pressing ring, the filter screen can be effectively installed and disassembled, and floaters collected in the filter screen can be conveniently cleaned;
2. when the floater is in the same direction as on the deflector gets into the baffle, push down the baffle, make the baffle drive the lifter plate and push down first spring, thereby make and produce the clearance between baffle and the deflector, the floater falls into the inside of filter screen via clearance between the two, rivers are taken out by the water pump via the outlet pipe, when need not to carry out the floater and collect, close the water pump, rivers can not drive the inside removal of floater to the collecting vessel, first spring release pressure, make and promote baffle rebound, make its and deflector contact, the condition that the floater that prevents the inside collection of filter screen from wafting takes place, improve the effect of collecting, convenient to use person operates.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A of FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;
FIG. 4 is a view of the combination of the limiting plate and the limiting groove of the present invention;
fig. 5 is an associated view of the collection bucket and baffle of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a support bar; 3. a top plate; 4. a slide plate; 5. a stationary ring; 6. a collection barrel; 7. filtering with a screen; 8. a water outlet pipe; 9. a baffle plate; 10. pressing a ring; 11. a fixing plate; 12. a guide plate; 13. a lifting plate; 14. a support plate; 15. a first spring; 16. a guide bar; 17. a limiting rod; 18. a second spring; 19. a limiting plate; 20. a limiting block; 21. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, the present invention provides a technical solution of a floating object collecting device for ecological aquatic product cultivation: a floater collecting device for ecological aquatic product cultivation comprises a base 1, supporting rods 2 are arranged at positions, close to corners, of the upper end face of the base 1, sliding plates 4 are sleeved on the supporting rods 2 in a threaded mode, a fixing ring 5 is fixedly installed between the sliding plates 4, a collecting barrel 6 is fixedly installed inside the fixing ring 5, a filter screen 7 is arranged inside the collecting barrel 6, and a baffle 9 is arranged at a position, close to the upper end, inside the collecting barrel 6;
the inner wall of collecting vessel 6 is close to position fixed mounting of upper end has fixed plate 11, the up end fixed mounting of fixed plate 11 has stopper 20, the border of filter screen 7 hangs on stopper 20, the inner wall fixed mounting of collecting vessel 6 has the backup pad 14 that is located the 11 tops of fixed plate, the position that the inside of collecting vessel 6 is located the 11 upper ends of fixed plate is provided with clamping ring 10, the lower terminal surface fixed mounting of clamping ring 10 has limiting plate 19, limiting groove 21 has been seted up to limiting plate 19's lower terminal surface, limiting groove 21 and stopper 20 phase-match.
A limiting rod 17 is fixedly connected between the supporting plate 14 and the fixing plate 11, a second spring 18 is slidably sleeved on the limiting rod 17, and the second spring 18 is fixedly installed between the pressing ring 10 and the fixing plate 11.
The upper end face of the baffle 9 is provided with a filtering hole, and the aperture of the filtering hole is larger than that of the filter screen 7.
The upper end face of the support rod 2 is fixedly provided with a top plate 3, one support rod 2 is in threaded connection with the sliding plate 4, and the lower end face of the support rod 2 is rotatably connected with the base 1.
The lower terminal surface central point of collecting vessel 6 puts and has seted up outlet pipe 8, and the other end of outlet pipe 8 is connected with the suction pump.
Working principle; firstly, the device is arranged at the bottom end of an aquatic product culture pond by adopting a base 1, then a filter screen 7 is arranged inside a collecting barrel 6, a pressing ring 10 is lifted upwards, a second spring 18 is stretched to separate a limiting block 20 from a limiting plate 19, the edge of the filter screen 7 is hung on the limiting block 20, the pressing ring 10 is loosened, the second spring 18 releases tension to enable the pressing ring 10 to move downwards, a limiting groove 21 on the limiting plate 19 is driven to be in contact with the limiting block 20, the edge of the filter screen 7 is limited on the limiting block 20 and is fixed by adopting the pressing ring 10, the filter screen 7 can be effectively installed and disassembled, floaters collected inside the filter screen 7 can be conveniently cleaned, then a guide plate 12 is arranged on the inner wall of the collecting barrel 6, a water pump is started, water on the water surface of the culture pond is pumped by a water outlet pipe 8, and water is replenished into the culture pond at the same time, so that a water level difference is formed inside the collecting barrel 6, and the floating objects on the water surface of the culture pond continuously enter the filter screen 7, thereby carrying out the work of filtering and collecting.
Example 2
As shown in fig. 2 and 5, in the case where the other portions are the same as those of embodiment 1, the present embodiment is different from embodiment 1 in that:
a guide plate 12 is detachably mounted at the top end of the inner part of the collecting barrel 6, a guide rod 16 is fixedly mounted between the guide plate 12 and the supporting plate 14, and a lifting plate 13 is slidably mounted on the guide rod 16.
The baffle 9 is fixedly arranged between the lifting plates 13, a first spring 15 is fixedly arranged between the lifting plates 13 and the supporting plate 14, and the first spring 15 is sleeved on the guide rod 16.
The outer side surface of the baffle 9 is positioned below the guide plate 12, and the top end surface of the guide plate 12 is an inclined surface.
One specific application of this embodiment is: when the floater is in the same direction as on the deflector 12 gets into baffle 9, baffle 9 pushes down, make baffle 9 drive lifter plate 13 and push down first spring 15, thereby make and produce the clearance between baffle 9 and the deflector 12, the floater falls into the inside of filter screen 7 via clearance between the two, rivers are taken out by the water pump via outlet pipe 8, when need not to carry out the floater collection, close the water pump, rivers can not drive the floater and to the inside removal of collecting vessel 6, first spring 15 release pressure, make and promote baffle 9 and upwards remove, make its and deflector 12 contact, the condition that the floater that prevents the inside collection of filter screen 7 from floating takes place, improve the effect of collecting, convenient to use person operates.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an ecological aquatic products are floater collection device for breed, includes base (1), its characterized in that: the device comprises a base (1), supporting rods (2) are arranged at positions, close to corners, of the upper end face of the base (1), sliding plates (4) are sleeved on the supporting rods (2) in a threaded mode, fixing rings (5) are fixedly installed between the sliding plates (4), a collecting barrel (6) is fixedly installed inside the fixing rings (5), a filter screen (7) is arranged inside the collecting barrel (6), and a baffle (9) is arranged at a position, close to the upper end, inside the collecting barrel (6);
the utility model discloses a filter screen, including collecting vessel (6), inner wall, stopper (11), inner wall, limiting groove (21), spacing groove (21) and stopper (20), the inner wall of collecting vessel (6) is close to the fixed position of upper end and installs fixed plate (11), the up end fixed mounting of fixed plate (11) has stopper (20), the border of filter screen (7) hangs on stopper (20), the inner wall fixed mounting of collecting vessel (6) has backup pad (14) that are located fixed plate (11) top, the inside position that is located fixed plate (11) upper end of collecting vessel (6) is provided with clamping ring (10), the lower terminal surface fixed mounting of clamping ring (10) has limiting plate (19), spacing groove (21) have been seted up to the lower terminal surface of limiting plate (19), spacing groove (21) and stopper (20) phase-match.
2. The floating object collecting device for ecological aquatic product cultivation according to claim 1, characterized in that: fixedly connected with gag lever post (17) between backup pad (14) and fixed plate (11), sliding sleeve has second spring (18) on gag lever post (17), second spring (18) fixed mounting is between clamping ring (10) and fixed plate (11).
3. The floating object collecting device for ecological aquatic product cultivation according to claim 1, characterized in that: the position demountable installation on the inside top of collecting vessel (6) has deflector (12), fixed mounting has guide bar (16) between deflector (12) and backup pad (14), slidable mounting has lifter plate (13) on guide bar (16).
4. The device for collecting floating objects for ecological aquatic product cultivation according to claim 3, wherein: the baffle (9) is fixedly arranged between the lifting plates (13), a first spring (15) is fixedly arranged between the lifting plates (13) and the supporting plate (14), and the first spring (15) is sleeved on the guide rod (16).
5. The device for collecting floating objects for ecological aquatic product cultivation according to claim 4, wherein: the outer side surface of the baffle (9) is positioned below the guide plate (12), and the top end surface of the guide plate (12) is an inclined surface.
6. The floating object collecting device for ecological aquatic product cultivation according to claim 1, characterized in that: the upper end face of the baffle (9) is provided with a filtering hole, and the aperture of the filtering hole is larger than that of the filter screen (7).
7. The floating object collecting device for ecological aquatic product cultivation according to claim 1, characterized in that: the upper end face of the supporting rod (2) is fixedly provided with a top plate (3), one supporting rod (2) is in threaded connection with the sliding plate (4), and the lower end face of the supporting rod (2) is rotatably connected with the base (1).
8. The floating object collecting device for ecological aquatic product cultivation according to claim 1, characterized in that: the water outlet pipe (8) is arranged at the center of the lower end face of the collecting barrel (6), and the other end of the water outlet pipe (8) is connected with a water suction pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111288934.6A CN113893595A (en) | 2021-11-02 | 2021-11-02 | Floater collecting device for ecological aquatic product cultivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111288934.6A CN113893595A (en) | 2021-11-02 | 2021-11-02 | Floater collecting device for ecological aquatic product cultivation |
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| Publication Number | Publication Date |
|---|---|
| CN113893595A true CN113893595A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111288934.6A Pending CN113893595A (en) | 2021-11-02 | 2021-11-02 | Floater collecting device for ecological aquatic product cultivation |
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| Country | Link |
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| CN (1) | CN113893595A (en) |
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| CN212283100U (en) * | 2020-05-29 | 2021-01-05 | 郑州泉水之源供水设备有限公司 | Stainless steel hair filter |
| CN212417196U (en) * | 2020-04-26 | 2021-01-29 | 中化重庆涪陵化工有限公司 | Slime filtering device with conveniently replaced filter bag |
| CN212680322U (en) * | 2020-02-19 | 2021-03-12 | 赵国成 | Anti-blocking type edible water treatment device |
| CN112495034A (en) * | 2020-11-23 | 2021-03-16 | 德清瓜山水产养殖有限公司 | Suspended solid collection device for aquaculture |
| CN213246430U (en) * | 2020-08-28 | 2021-05-25 | 陈正洪 | Pond purifier is used in ecological breed of crab |
| CN213448805U (en) * | 2020-10-22 | 2021-06-15 | 成都理工大学 | Portable water surface floater removing device for nuclear engineering reservoir |
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Application publication date: 20220107 |