CN109548737B - Marine shellfish offspring seed screening plant - Google Patents
Marine shellfish offspring seed screening plant Download PDFInfo
- Publication number
- CN109548737B CN109548737B CN201910029387.6A CN201910029387A CN109548737B CN 109548737 B CN109548737 B CN 109548737B CN 201910029387 A CN201910029387 A CN 201910029387A CN 109548737 B CN109548737 B CN 109548737B
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- screening
- frame
- seed
- fixed
- groove
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- 238000012216 screening Methods 0.000 title claims abstract description 133
- 235000015170 shellfish Nutrition 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 29
- 230000000903 blocking effect Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 description 16
- 239000011435 rock Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000003466 welding 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
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
-
- 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
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a marine shellfish offspring seed screening device, which is technically characterized by comprising a frame, wherein a screening groove is arranged on the frame, a screening mechanism is arranged in the screening groove, a feeding device is arranged at the left end above the screening mechanism, the marine shellfish offspring seed screening device also comprises a power mechanism for driving the screening mechanism to shake left and right, the screening mechanism comprises a screening frame and a screen mesh fixed on the screening frame, the right end of the screening frame is provided with a discharge hole, the lower end of the screening groove is connected with a first discharge pipe and a second discharge pipe, the inner wall of the screening groove is connected with a water inlet pipe, the water inlet pipe is connected with a water supply device, a separation plate is arranged in the screening groove, the separation plate separates the bottom of the screening groove into a small-size offspring seed discharge area and a large offspring seed discharge area from left to right in sequence, and when the screening mechanism drives the screening frame to shake, the discharge hole is always positioned above the large offspring seed discharge area. The invention has the functions of automatically screening marine shellfish offspring seeds and high screening efficiency.
Description
Technical Field
The invention relates to the field of marine shellfish offspring seed screening, in particular to a marine shellfish offspring seed screening device.
Background
When the marine shellfish offspring seed cultivation is carried out, the marine shellfish offspring seed is usually screened gradually according to the specification and the size, so that the small-specification offspring seed and the large-specification offspring seed are separated, the targeted cultivation is convenient, the finally cultivated aquatic products are similar in size, and unqualified offspring seed can be eliminated timely. The traditional screening mode is a manual mode that marine shellfish offspring seeds are placed on a screen with a certain mesh size and move back and forth, so that small-size offspring seeds pass through the screen and fall down, and large-size offspring seeds are left on the screen, so that separation of large-size offspring seeds and small-size offspring seeds is achieved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the marine shellfish offspring seed screening device which has the functions of automatically screening marine shellfish offspring seeds and high screening efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a marine shellfish seed screening plant, includes the frame, be equipped with the screening groove in the frame, be equipped with screening mechanism in the screening groove, the left end of screening mechanism's top is equipped with feed arrangement, still including the power unit who is used for driving screening mechanism and control to rock, screening mechanism includes screening frame and fixes the screen cloth on the screening frame, the right-hand member of screening frame is equipped with the discharge gate, the lower extreme of screening groove is connected with first discharging pipe and second discharging pipe, be connected with the inlet tube on the inner wall of screening groove, the inlet tube is connected with water supply installation, be equipped with the division board in the screening groove, division board separates into little specification seed discharging zone and big seed discharging zone from left to right in proper order with the bottom of screening groove, when screening mechanism drives screening frame and rocks, the discharge gate is located big seed discharging zone's top all the time.
Through adopting above-mentioned technical scheme, constantly carry the sea water through the inlet tube to the screening inslot, marine shellfish seed enters into on the screen cloth through feed mechanism, because the screen cloth can make a round trip to rock under power unit's drive, make the marine shellfish seed that enters into on the screen cloth evenly scatter, because the right-hand member of screening frame is equipped with the discharge gate, and marine shellfish seed on the screen cloth constantly drops from the discharge gate, thereby make marine shellfish seed gradually remove from the left end of screen cloth right-hand member, small-size seed drops to little seed discharge area through the mesh on the screen cloth and discharges through first discharging pipe in the removal process, big seed finally drops to big seed discharge area through the discharge gate and discharges through the second discharging pipe, thereby realized the automatic screening of big specification seed and little specification seed, screening efficiency has been improved. Can promote the sea water in the screening groove and rock back and forth when screening frame rocks back and forth for marine shellfish seed can be more quick remove to the discharge gate under the effect of sea water, improve screening efficiency.
The invention is further provided with: the power mechanism comprises a supporting frame positioned below the screening mechanism, a limiting structure used for limiting horizontal movement of the screening mechanism is arranged on the supporting frame, a screening motor is fixed at the upper right end of the frame, a rotating plate is fixed on a motor shaft of the screening motor, a transmission rod is hinged to the rotating plate, the other end of the transmission rod is hinged to the supporting frame, two portal frames are fixed at the upper end of the frame, two connecting springs are fixed on a cross rod of each portal frame, and the lower ends of the two connecting springs on the same portal frame are fixedly connected with front connecting rods and rear connecting rods on the supporting frame respectively.
Through adopting above-mentioned technical scheme, make sifting frame and carriage be difficult for taking place the relative movement on the horizontal direction through stop gear for sifting frame can remove together with the carriage, can drive the pivoted board when screening motor rotates and rotate, thereby it removes to drive the carriage through the transfer line, the motion track at the motion period both ends of carriage is a circular, both ends alternate the oscilaltion when making carriage and screening mechanism back and forth reciprocating motion, form the action that like chef overturned the spoon when cooking, thereby it is ascending and descending when evenly scattering to the discharge gate removal to make the seed that is located screening mechanism, make small-size seed and large-size seed easy separation, be convenient for screen out small-size seed.
The invention is further provided with: the limiting structure is as follows: limiting blocks are fixed on the front side and the rear side of the supporting frame, limiting rods are fixed on the left side and the right side of the supporting frame, and the transmission rod is hinged to the limiting rods on the right side.
Through adopting above-mentioned technical scheme, make the relative braced frame of screening frame be difficult for taking place the back-and-forth displacement through two stopper, make the relative braced frame of screening frame be difficult for taking place the left and right sides displacement through two gag lever posts to make the screening frame move together along with the braced frame, be convenient for remove small-size seed through the screen cloth.
The invention is further provided with: the feeding mechanism comprises a feeding hopper fixed with a left portal frame, an auxiliary pipe is arranged in the feeding hopper and connected with a water supply device, and a plurality of spray holes are formed in the circumferential side wall of the auxiliary pipe.
Through adopting above-mentioned technical scheme, when screening the offspring seed, in leading-in feeder hopper of marine shellfish offspring seed that the size is in the same place, enter into on the screen cloth through the lower extreme opening of feeder hopper, supply water for the auxiliary pipe through water supply installation for marine shellfish offspring seed in the feeder hopper can drop on the screen cloth fast under the impact of rivers, and can in time wash down the marine shellfish offspring seed that adheres on the feeder hopper inner wall, prevent the feeder hopper jam, improved feed efficiency.
The invention is further provided with: the screening frame comprises a mounting frame and a blocking frame which are welded together, the blocking frame is located at the upper end of the mounting frame, the screen is fixed between the mounting frame and the blocking frame, and the discharge port is formed in the right end of the blocking frame.
Through adopting above-mentioned technical scheme, when manufacturing the screening frame, separately processing with installing frame and blocking the frame, then fixed then with installing frame and blocking the frame welding with the upper end of screen cloth with installing frame for the screening frame can be made in segmentation, and the processing degree of difficulty reduces.
The invention is further provided with: a plurality of baffles are sequentially fixed in the blocking frame from left to right.
Through adopting above-mentioned technical scheme, the baffle can follow and block the frame and make a round trip to rock for thereby the aquatic wave in the screening frame is stronger thereby drives marine shellfish offspring and rolls from top to bottom, makes little specification offspring and big specification offspring more easily separate, is convenient for remove little specification offspring through the screen cloth, makes the probability that mixes little specification offspring in the big specification offspring that sieves out lower.
The invention is further provided with: the bottom of the screening groove is trapezoid, and is big in top and small in bottom.
Through adopting above-mentioned technical scheme, the bottom of screening groove is trapezoidal and big-end-up makes marine shellfish offspring more easily concentrate in the middle part of the bottom of screening groove, is convenient for discharge through first discharging pipe and second discharging pipe.
In summary, the invention has the following beneficial effects:
marine shellfish offspring seed falls on the screen through the feeder hopper, and the screen cloth is 8 font rocks back and forth under screening motor's effect for small-size offspring seed constantly automatic pass the screen cloth discharge, and large-size offspring seed passes through the bin outlet discharge, has realized the automatic screening of big and small-size offspring seed, has improved screening efficiency, and the people of being convenient for use.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic cross-sectional view of the present embodiment;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
fig. 4 is an exploded view showing the connection of the supporting frame and the screening mechanism in this embodiment.
Reference numerals: 1. a frame; 2. a feed mechanism; 3. a screening mechanism; 4. a power mechanism; 11. a sieving groove; 12. a partition plate; 13. a small-sized seedling discharging area; 14. a large-specification seed discharging area; 15. a first discharge pipe; 16. a second discharge pipe; 17. a water inlet pipe; 21. a feed hopper; 22. an auxiliary tube; 23. a spray hole; 31. a mounting frame; 32. a blocking frame; 33. a screen; 34. a baffle; 321. a discharge port; 41. a support frame; 42. a portal frame; 43. a connecting spring; 44. a limiting block; 45. a limit rod; 46. a screening motor; 47. a rotating plate; 48. A transmission rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses marine shellfish offspring seed screening plant, as shown in fig. 1, 2, including frame 1, install feed mechanism 2 on the frame 1, feed mechanism 2 below is equipped with screening mechanism 3, and screening mechanism 3 is connected with power unit 4, feeds screening mechanism 3 through feed mechanism 2 and then drives screening mechanism 3 through power unit 4 and move, realizes the automatic screening of large-size offspring seed and small-size offspring seed.
As shown in fig. 1 and 2, a screening tank 11 is arranged in a frame 1, the bottom of the screening tank 11 is trapezoidal and is big end down, a separation plate 12 is fixed at the bottom of the screening tank 11, the left side of the separation plate 12 is a small-specification seed discharging area 13, the right side of the separation plate 12 is a large-specification seed discharging area 14, a first discharging pipe 15 is connected to the bottom of the small-specification seed discharging area 13, two second discharging pipes 16 are connected to the bottom of the large-specification seed discharging area 14, and control valves (not shown in the figure) are installed on the first discharging pipe 15 and the second discharging pipes 16.
As shown in fig. 2 and 3, the power mechanism 4 includes a supporting frame 41 located in the frame 1, two portal frames 42 are fixed at the upper end of the frame 1, two connecting springs 43 are fixed on the cross bar of the portal frames 42, the lower ends of the two connecting springs 43 on the same portal frame 42 are respectively fixedly connected with front and rear connecting rods on the supporting frame 41, limiting blocks 44 are fixed at the front and rear sides of the supporting frame 41 to prevent the screening mechanism 3 from falling from the front and rear sides of the supporting frame 41, limiting rods 45 are fixed at the left and right sides of the supporting frame 41, and the limiting rods 45 can prevent the screening mechanism 3 from falling from the left and right sides of the supporting frame 41.
As shown in fig. 2 and 3, the power mechanism 4 further includes a screening motor 46 fixed on the right side of the upper end of the frame 1, a rotating plate 47 fixed on a motor shaft of the screening motor 46, a transmission rod 48 hinged on the rotating plate 47, and a limit rod 45 hinged on the right side of the supporting frame 41 at the other end of the transmission rod 48. When screening motor 46 rotates, can drive the pivoted plate 47 and rotate then drive the screening mechanism 3 motion of carriage 41 and top through transfer line 48 and push rod, the motion track at carriage 41 and its both ends is a circular when the motion for carriage 41 and screening mechanism 3 reciprocating motion simultaneously both ends are the reciprocating motion in turn, thereby make the seed that lies in screening mechanism 3 evenly scatter and roll up and down when removing to discharge gate 321, the action of like chef top spoon when cooking, make the seed can be in the more even of roll-over in-process, and be convenient for roll the seed that lies in originally the top below and filter, improve filtration efficiency.
As shown in fig. 2 and 3, the feeding mechanism 2 is located above the left end of the screening mechanism 3, the feeding mechanism 2 includes a feeding hopper 21 fixed on a left portal frame 42, the feeding hopper 21 is big and small in top and small in bottom, an auxiliary pipe 22 is arranged in the feeding hopper 21, a plurality of spray holes 23 are arranged on the circumferential side wall of the auxiliary pipe 22, the auxiliary pipe 22 is connected with a water supply device (not shown in the drawings), water is sprayed onto the inner wall of the feeding hopper 21 through the spray holes 23, so that marine shellfish fries attached to the inner wall of the feeding hopper 21 can be flushed into the screening mechanism 3 under the action of water flow, and the feeding hopper 21 is prevented from being blocked.
As shown in fig. 2, 3 and 4, the screening mechanism 3 comprises a mounting frame 31 and a blocking frame 32 welded together, the mounting frame 31 and the blocking frame 32 are positioned in the frame 1, a screen 33 is fixed between the mounting frame 31 and the blocking frame 32, and a discharge port 321 is arranged on the right side of the blocking frame 32 because the screen 33 is thinner and does not affect the connection of the mounting frame 31 and the blocking frame 32. When the screening motor 46 drives the supporting frame 41 and the screening mechanism 3 to move, marine shellfish seeds falling on the screen 33 are evenly spread through continuous reciprocating movement, small-size seeds pass through the screen 33 in the spreading process and fall into the small-size seed discharging area 13, and after continuous screening, the marine shellfish seeds are continuously discharged through the discharging hole 321 and the small-size seeds in the marine shellfish seeds are gradually reduced, so that the marine shellfish seeds can be continuously spread to the right side, the function of rightward displacement of the marine shellfish seeds is realized, and most of marine shellfish seeds discharged from the discharging hole 321 fall into the large-size seed discharging area 14 due to the screening of the screen 33, and the marine shellfish seeds in the large-size seed discharging area 14 are prevented from being easily mixed with the marine shellfish seeds in the small-size seed discharging area 13 by the barrier plate 12.
As shown in fig. 1 and 2, a water inlet pipe 17 communicating with the screening tank 11 is fixed to the frame 1, and the water inlet pipe 17 is connected to a water supply device. The auxiliary pipe 22 and the water inlet pipe 17 are used for continuously feeding water into the installation hopper, and the first discharging pipe 15 and the second discharging pipe 16 are used for continuously updating the seawater in the screening tank 11. When the screening motor 46 drives the installation frame 31 to shake, water in the installation frame 31 can be driven to move back and forth, marine shellfish offspring seeds can be separated easily through the pushing of water flow, and the screening effect on the marine shellfish offspring seeds is improved. A plurality of baffles 34 are sequentially fixed in the baffle frame 32 from left to right, gaps allowing large-size fries to pass through are reserved between the baffles 34 and the screen 33, the baffles 34 can improve the pushing effect on water, so that marine shellfish fries can move towards a discharge hole on the right side more easily, and screening efficiency is improved.
The specific screening process comprises the following steps: marine shellfish offspring seed is put into feeder hopper 21, marine shellfish offspring seed falls to the left end of screen cloth 33 under the effect of auxiliary pipe 22 rivers, then screening mechanism 3 makes a round trip to rock under screening motor 46 effect for marine shellfish offspring seed that falls gradually moves rightwards and discharges from discharge gate 321, and small-size offspring seed passes screen cloth 33 and falls into small-size offspring seed discharge area 13 and discharge through first discharging pipe 15 in the removal process, and large-size offspring seed falls into large-size offspring seed discharge area 14 through discharge gate 321 and discharges, thereby has realized the automatic screening of large-size offspring seed and small-size offspring seed, and screening speed is fast, and the people of being convenient for use.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present invention should be included in the scope of the present invention.
Claims (4)
1. Marine shellfish offspring seed screening device, including frame (1), its characterized in that: the screening machine is characterized in that a screening groove (11) is formed in the machine frame (1), a screening mechanism (3) is arranged in the screening groove (11), a feeding mechanism (2) is arranged at the left end above the screening mechanism (3), the screening machine further comprises a power mechanism (4) used for driving the screening mechanism (3) to shake left and right, the screening mechanism (3) comprises a screening frame and a screen (33) fixed on the screening frame, a discharge hole (321) is formed in the right end of the screening frame, a first discharge pipe (15) and a second discharge pipe (16) are connected to the lower end of the screening groove (11), a water inlet pipe (17) is connected to the inner wall of the screening groove (11), a separation plate (12) is arranged on the screening groove (11), and the bottom of the separation plate (12) separates the screening groove (11) into a small-size seed discharge area (13) and a large-seed discharge area; the power mechanism (4) comprises a supporting frame (41) positioned below the screening mechanism (3), a limiting structure used for limiting the horizontal movement of the screening mechanism (3) is arranged on the supporting frame (41), a screening motor (46) is fixed at the upper right end of the frame (1), a rotating plate (47) is fixed on a motor shaft of the screening motor (46), a transmission rod (48) is hinged on the rotating plate (47), the other end of the transmission rod (48) is hinged with the supporting frame (41), two portal frames (42) are fixed at the upper end of the frame (1), two connecting springs (43) are fixed on a cross rod of the portal frame (42), and the lower ends of the two connecting springs (43) on the same portal frame (42) are respectively fixedly connected with front connecting rods and rear connecting rods on the supporting frame (41); the limiting structure is as follows: limiting blocks (44) are fixed on the front side and the rear side of the supporting frame (41), limiting rods (45) are fixed on the left side and the right side of the supporting frame (41), and the transmission rods (48) are hinged with the limiting rods (45) on the right side; the feeding mechanism (2) comprises a feeding hopper (21) fixed with a portal frame (42) on the left side, an auxiliary pipe (22) is arranged in the feeding hopper (21), the auxiliary pipe (22) is connected with a water supply device, and a plurality of spray holes (23) are formed in the circumferential side wall of the auxiliary pipe (22).
2. A marine shellfish offspring seed screening apparatus according to claim 1, wherein: the screening frame comprises a mounting frame (31) and a blocking frame (32) which are welded together, the blocking frame (32) is located at the upper end of the mounting frame (31), the screen (33) is fixed between the mounting frame (31) and the blocking frame (32), and the discharging port (321) is formed in the right end of the blocking frame (32).
3. A marine shellfish offspring seed screening apparatus according to claim 2, wherein: a plurality of baffles (34) are sequentially fixed in the blocking frame (32) from left to right.
4. A marine shellfish offspring seed screening apparatus according to claim 1, wherein: the bottom of the screening groove (11) is trapezoid and is big in upper part and small in lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029387.6A CN109548737B (en) | 2019-01-13 | 2019-01-13 | Marine shellfish offspring seed screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029387.6A CN109548737B (en) | 2019-01-13 | 2019-01-13 | Marine shellfish offspring seed screening plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109548737A CN109548737A (en) | 2019-04-02 |
| CN109548737B true CN109548737B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910029387.6A Active CN109548737B (en) | 2019-01-13 | 2019-01-13 | Marine shellfish offspring seed screening plant |
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| CN (1) | CN109548737B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110367173B (en) * | 2019-08-20 | 2021-06-25 | 赖涛涛 | Loach size separation equipment for aquaculture |
| CN113925002A (en) * | 2020-07-14 | 2022-01-14 | 成都津鑫农业有限公司 | High-density and high-yield freshwater fish breeding technology |
| CN111771802A (en) * | 2020-08-26 | 2020-10-16 | 马鞍山市创源水蛭养殖专业合作社 | Maturity judging device for leech egg cocoons |
| CN113243411A (en) * | 2021-04-20 | 2021-08-13 | 广东海洋大学 | Automatic shellfish screening device |
| CN114938789B (en) * | 2022-06-17 | 2023-02-24 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | Automatic screening plant of golden yellow snakehead seedling |
| CN114946721B (en) * | 2022-06-22 | 2023-03-10 | 江苏海洋大学 | Shellfish breeding divides seedling case |
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| KR101844416B1 (en) * | 2017-03-06 | 2018-04-02 | 박동수 | Sorting device of shellfish |
| CN207978716U (en) * | 2018-03-15 | 2018-10-19 | 贵州省水利水电勘测设计研究院 | A kind of fish sorting unit for fish lift |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102273420A (en) * | 2011-08-25 | 2011-12-14 | 大连獐子岛渔业集团股份有限公司 | Device for screening scallop seedlings |
| CN202516767U (en) * | 2012-04-29 | 2012-11-07 | 山东潍坊龙威实业有限公司 | Mechanical sieve for ship |
| CN103752495A (en) * | 2014-01-10 | 2014-04-30 | 大连海洋大学 | Automatic shellfish offspring seed sorting and counting device |
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| CN109548737A (en) | 2019-04-02 |
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