CN111316950A - Aquaculture subsides fodder with intermittent type formula and feeds and eat device - Google Patents

Aquaculture subsides fodder with intermittent type formula and feeds and eat device Download PDF

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Publication number
CN111316950A
CN111316950A CN202010369331.8A CN202010369331A CN111316950A CN 111316950 A CN111316950 A CN 111316950A CN 202010369331 A CN202010369331 A CN 202010369331A CN 111316950 A CN111316950 A CN 111316950A
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CN
China
Prior art keywords
feeding
cavity
feed
hole
lifting
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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Withdrawn
Application number
CN202010369331.8A
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Chinese (zh)
Inventor
不公告发明人
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Yantai Shuaiheng Machinery Technology Co ltd
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Yantai Shuaiheng Machinery Technology Co ltd
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Application filed by Yantai Shuaiheng Machinery Technology Co ltd filed Critical Yantai Shuaiheng Machinery Technology Co ltd
Priority to CN202010369331.8A priority Critical patent/CN111316950A/en
Publication of CN111316950A publication Critical patent/CN111316950A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/80Feeding devices
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses an intermittent settled feed feeding device for aquaculture, which comprises a feed cavity, a floating plate positioned at the bottom of the feed cavity, a blanking mechanism positioned below the feed cavity and a feeding box positioned at the bottom of the blanking mechanism, and compared with the prior art, the intermittent settled feed feeding device for aquaculture provided by the invention has a simple structure, realizes the feeding of baits by utilizing the buoyancy and the self weight of the device, realizes the feeding of settled baits by the matching of a first blanking cavity and a second blanking cavity, provides the buoyancy for the second blanking cavity, realizes the relative rotation of the blanking cavities by the matching of a limiting mechanism so as to open feed holes, realizes the separation of the feed holes when the weight of the baits in the feeding box reaches the standard, can further realize the limiting of the feeding of the baits by the matching of a closed switch structure in the feeding device, has a simple structure, is suitable for popularization.

Description

Aquaculture subsides fodder with intermittent type formula and feeds and eat device
Technical Field
The invention relates to a fish culture technology, in particular to an intermittent type settlement feed feeding device for aquaculture.
Background
Aquaculture is a production activity in which aquatic animals and plants are bred, cultivated, and harvested under artificial control, generally including the overall process of growing aquatic products from offspring seeds under artificial feeding management, and broadly also including the multiplication of aquatic resources.
The fish can grow up only by eating the fish food, the feed input cost is the largest in various production inputs of aquaculture, investigation shows that the feed input cost of general aquaculture products accounts for more than 70 percent of the total cost of the aquaculture, the fish food is generally thrown into a fishpond manually for the fish to eat, when the fish food is thrown into the fishpond manually, time and labor are wasted, the fish food is thrown for a long time, hands and arms are easy to ache, the culture techniques of different feeders are different, standardized feeding is difficult to realize by the feeling and experience alone, the fish growth is adversely affected as a result, the unit area yield is reduced, excessive feed sinks into the bottom of the fishpond to waste feed water, competition is difficult by depending on low-cost labor force, the investment level of the technology and equipment must be increased, and the existing bait feeding device has various defects, for example, a large amount of bait is not eaten by the fish in a culture net cage, formula of shedding bait feeding device exists the fodder utilization efficiency and hangs down, bait subsides also can influence the growth environment of bottom shell fish in the bottom of the pool, cause the eutrophication trend of substrate environment, the surplus of bait can not in time be pinpointed to the bait of disposable input, can't clear away and know whether bait need feed once more, consequently the urgent need one kind can come the automatic device of discharging regulation bait input volume according to fish foraging volume, and can prevent subsiding of fodder, with the effect of feeding that overcomes prior art and not reach.
Disclosure of Invention
The invention aims to provide an intermittent settlement feed feeding device for aquaculture, which can realize intermittent feeding of baits, wherein the feeding of the baits depends on the food intake of fishes, meanwhile, the baits can be prevented from settling, and the purpose of automatic feeding can be realized after one-time feeding.
The invention provides an intermittent settling feed feeding device for aquaculture, which comprises a feed cavity, a floating plate positioned at the bottom of the feed cavity, a feeding mechanism positioned below the feed cavity, and a feeding box positioned at the bottom of the feeding mechanism, and is characterized in that the feeding mechanism is fixedly arranged at the bottom of the feed cavity, the feeding mechanism comprises a first feeding cavity positioned above, an outer sleeve positioned below the first feeding cavity, a lifting mechanism positioned inside the outer sleeve, a second feeding cavity positioned below the outer sleeve, and a limiting mechanism, the first feeding cavity and the outer sleeve can rotate freely, the second feeding cavity is fixedly arranged below the outer sleeve, a first feeding hole is formed in the first feeding cavity, a second feeding hole is formed in the second feeding cavity, the first feeding hole and the second feeding hole are distributed in a staggered manner, the limiting mechanism comprises a positioning pin and a limiting groove, the limiting groove is formed in the first feeding cavity, the lifting mechanism comprises a lifting upper part and a lifting lower part, wherein the lifting upper part is a cylindrical cavity, the upper part of the lifting upper part is fixedly connected with the bottom of the first blanking cavity, a pipeline communicated with the first blanking hole is arranged in the lifting upper part, a base station is arranged below the lifting upper part, a connecting rod is arranged on the base station, the lifting lower part is a cylindrical wall, a funnel-shaped passage is arranged on the bottom surface of the lifting lower part and is used for being communicated with the first blanking hole and the pipeline, a fixing hole matched with the connecting rod is arranged above the lifting lower part, a telescopic rod is further arranged on the lifting lower part, channels matched with the telescopic rod are arranged on the lifting upper part and the first blanking cavity, and the lifting lower part can move up and down along the connecting rod to drive the telescopic rod to move up and down, the feeding mechanism comprises a feeding box, a first feeding hole and a second feeding hole, wherein the feeding box is arranged in the feeding box, the feeding box is fixedly connected with the first feeding hole, the feeding box is fixedly connected with the second feeding hole, and the bottom of the feeding box is provided with a buoy which provides buoyancy for the second feeding hole and the feeding box to move upwards.
Furthermore, the feeding box is a hollow cavity, two sides of the feeding box are provided with inlets which are communicated with each other, and a certain distance is reserved between each inlet and the bottom of the feeding box.
Further, the included angle between the inclined groove and the horizontal plane is 15-30 degrees.
Further, the tail end of the positioning pin is provided with a protrusion, wherein the protrusion is used for being matched with the limiting groove to limit the movement of the positioning pin.
Furthermore, an expansion spring is arranged above the connecting rod, and the top of the expansion spring is fixedly connected with the first blanking cavity.
Further, promote the lower part below and cover the second material hole when the device is static, when the cursory drive second unloading chamber rises, realize first unloading chamber and the relative rotation of outer cover with the help of the cooperation of location slightly with the spacing groove, make the second material hole link up with the funnel-shaped passageway that promotes the lower part mutually, the telescopic link supports to pull to turn round and makes first material hole keep unobstructed, and then make the fodder flow in the second material hole, after device weight is greater than cursory and provides buoyancy, the device wholly moves down, the telescopic link is turned round mutually with pulling to break away from this moment, it blocks up first material hole to pull to turn round the end, the device stops the unloading operation.
Further, the funnel-shaped passage has a certain draft angle, and the draft angle is 5-10 °.
Further, the top of the funnel-shaped passage is spaced from the raised upper bottom surface by a distance greater than the height of the vertical slot.
The invention has the beneficial effects that: the intermittent settlement feed feeding device for aquaculture, provided by the invention, is simple in structure, realizes feeding of baits by utilizing the buoyancy and self weight of the device, realizes feeding of settlement type baits by matching the first baiting cavity and the second baiting cavity, provides buoyancy for the second baiting cavity by the buoy, realizes relative rotation of the baiting cavities by matching of the limiting mechanism to open the feed holes, realizes separation of the feed holes when the weight of the baits in the feeding box below reaches the standard, can further realize limiting of feeding of the baits by matching of a closed switch structure in the feeding box, is simple in structure and is suitable for popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the blanking mechanism of the present invention;
FIG. 3 is a top view of the first and second discharge chambers of the present invention;
FIG. 4 is a schematic structural view of a spacing mechanism of the present invention;
FIG. 5 is a schematic view of the elevated upper portion of the present invention;
FIG. 6 is a schematic view of the structure of the raised lower portion of the present invention.
A, a feeding cavity, B, a floating plate, C, a blanking mechanism, D, a feeding box, 1, a first blanking cavity, 11, a first material hole, 2, an outer sleeve body, 3, a lifting mechanism, 31, a lifting upper part, 311, a base station, 312, a connecting rod, 313, a telescopic spring, 32, a lifting lower part, 321, a funnel-shaped passage, 322, a fixing hole, 323, a telescopic rod, 4, a second blanking cavity, 41, a second material hole, 5, a limiting mechanism, 51, a positioning pin, 52, a limiting groove, 521, a vertical groove, 522, an inclined groove, 6, a float, 7 and a closed switch.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," if used, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "in communication with" are to be construed broadly, and may be, for example, fixedly, detachably, or integrally connected, mechanically, electrically, directly or indirectly through intervening elements, or in communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the figure, the intermittent type settlement feed feeding device for aquaculture comprises a feed cavity A, a floating plate B positioned at the bottom of the feed cavity, a feeding mechanism C positioned below the feed cavity, and a feeding box D positioned at the bottom of the feeding mechanism, and is characterized in that the feeding mechanism C is fixedly arranged at the bottom of the feed cavity A, wherein the feeding mechanism C comprises a first feeding cavity 1 positioned above, an outer sleeve body 2 positioned below the first feeding cavity, a lifting mechanism 3 positioned inside the outer sleeve body, a second feeding cavity 4 positioned below the outer sleeve body 2, and a limiting mechanism 5, the first feeding cavity 1 and the outer sleeve body 2 can freely rotate, the second feeding cavity 4 is fixedly arranged below the outer sleeve body 2, a first feeding hole 11 is formed in the first feeding cavity 1, a second feeding hole 41 is formed in the second feeding cavity 4, wherein the first feeding hole 11 and the second feeding hole 41 are distributed in a staggered manner, the limiting mechanism 5 comprises a positioning pin 51 and a limiting groove 52, wherein the limiting groove 52 is arranged on the first discharging cavity 1 and comprises a vertical groove 521 and an inclined groove 522, the positioning pin 51 is arranged on the outer casing 2 and is matched with the limiting groove 52 to limit the displacement of the outer casing 2 relative to the first discharging cavity 1, the lifting mechanism 3 comprises a lifting upper part 31 and a lifting lower part 32, the lifting upper part 31 is a cylindrical cavity, the upper part of the lifting upper part is fixedly connected with the bottom of the first discharging cavity 1, a pipeline communicated with the first discharging hole 11 is arranged in the lifting upper part, a base table 311 is arranged below the lifting upper part 31, a connecting rod 312 is arranged on the base table, the lifting lower part 32 is a cylindrical wall, a funnel-shaped passage 321 is arranged on the bottom surface of the lifting upper part and is used for communicating with the first discharging hole 11 and the pipeline, and a fixing hole 322 matched with the connecting rod is, the lifting lower part 32 is further provided with a telescopic rod 323, the lifting upper part 31 and the first discharging cavity 1 are provided with passages matched with the telescopic rod 323, the lifting lower part 32 can move up and down along the connecting rod 312 to drive the telescopic rod 323 to move up and down, the discharging mechanism C further comprises a cavity beside the first discharging hole 11 and a closing switch 7 arranged in the cavity, the telescopic rod 323 extends into the cavity, the closing switch 7 comprises a torsion spring and an L-shaped wrench, the telescopic rod 323 moves up and down to control the wrench to rotate so as to open and close the first discharging hole 11, the feeding box D is fixedly connected with the second discharging cavity 4, the bottom of the feeding box D is provided with a float 6, and the float 6 provides buoyancy for the second discharging cavity 4 and the feeding box D to move up.
As a further improvement of the invention, the feeding box D is a hollow cavity, two sides of the feeding box D are provided with mutually communicated inlets, a certain distance is reserved between the inlets and the bottom of the feeding box D for accommodating settled feed, and when the weight of the settled feed exceeds the buoyancy of the buoy 6, the driving device falls back.
As a further improvement of the present invention, the inclined groove has an included angle of 15-30 ° with the horizontal plane, wherein the inclined groove 522 is used for limiting the displacement of the positioning pin 51, and the inclined groove helps the positioning pin 51 to rotate along the circumferential direction thereof, so as to drive the second discharging cylinder 4 to rotate, and further, the staggered material holes are mutually matched to realize the baiting operation of the bait.
As a further improvement of the present invention, the end of the positioning pin 51 is provided with a protrusion for cooperating with the stopper groove 52 to limit the movement of the positioning pin 51.
As a further improvement of the present invention, a telescopic spring 313 is provided above the connecting rod 312, and the top of the telescopic spring 313 is fixedly connected to the first material discharging chamber 1, wherein the telescopic spring 313 is used for telescoping to help the lifting lower part 32 to return.
As a further improvement of the invention, when the device is static, the lower part of the lifting lower part 32 covers the second material hole 41, when the float 6 drives the second material discharging cavity 4 to ascend, the relative rotation between the first material discharging cavity 11 and the outer sleeve body 2 is realized by the matching of the positioning pin 51 and the limiting groove 52, so that the second material hole 41 is communicated with the funnel-shaped passage 321 of the lifting lower part 42, the telescopic rod 323 supports against the wrench to keep the first material hole 11 smooth, further, the feed flows into the second material hole 41, when the weight of the device is larger than the weight of the float 6 to provide buoyancy, the whole device moves downwards, at the moment, the telescopic rod 323 is separated from the wrench, the tail end of the wrench blocks the first material hole 11, and the device stops the discharging operation.
As a further improvement of the present invention, the funnel-shaped passage 321 has a certain draft angle, the draft angle is 5 to 10 °, when the closing switch 7 closes the discharging cavity 11, part of the bait still falls into the cavity at the lifting lower portion 32, at this time, the funnel-shaped passage 321 is dislocated with the second feed hole 41 to control the feeding of the bait, the bait at the lifting lower portion 32 can be effectively reset by the draft angle, so as to avoid the problem that the bait blocks the lifting movement of the lifting lower portion 32 and cannot coincide the feed holes, further, when the second discharging cavity 4 moves down, the bait at the bottom of the first feed hole 11 still continuously moves down, the bait can be effectively reset by the draft angle of the funnel-shaped passage 321, so as to avoid the influence of the bait on the displacement when the lifting lower portion 32 moves up, and simultaneously, during the moving down of the second discharging cavity 4, the bait in the second feed hole 41 continuously falls, the total amount of the bait in the feeding box D is ensured.
As a further improvement of the present invention, the distance from the top of the funnel-shaped passage 321 to the bottom of the lifting upper portion 31 is greater than the height of the vertical slot 521, so that the lifting lower portion 32 is raised and the space required for rotation is kept for the rotation of the second discharging chamber 4.
The working principle of the invention is as follows: utilize cursory 6 to provide the buoyancy that rises and be used for opening and closed second material hole 41 for second unloading chamber 4, when the device is static, promote lower part 32 and cover second material hole 41, top bait can not conduct downwards, after cursory 6 drives second unloading chamber 4 and removes, second unloading chamber 4 takes place to rotate and makes first material hole 11 link up with second material hole 41 for first unloading chamber 1, and then make bait put in to second unloading chamber 4 in, after floating body 6 falls back, promote lower part 32 and shelter from second material hole 41 again, with this bait input operation of accomplishing, after the fry has eaten the bait in it the device reciprocate again and carry out intermittent type's bait input, reach and raise the mesh.
As another embodiment of the present invention, the positioning pin 51 is detachably disposed for replacing the outer casing 2 and the lower second discharging chamber 4, so as to clean the discharging mechanism C and avoid the occurrence of blockage.
As another embodiment of the present invention, the inclined groove 522 is disposed at the bottom of the vertical groove 522 and the position of the vertical groove 521 is the inclined groove 522, because of the limiting function of the expansion spring 313, the resistance of the lifted lower portion 32 after moving upwards is increased, and it is difficult to ensure the butt joint of the two material holes in the later period, after the improvement, the second feeding chamber 4 of the present invention rotates first, so that the second material hole 41 and the funnel-shaped passage 321 of the lifted lower portion 32 are in butt joint first, and the bait in the second feeding chamber falls into the feeding box D first, thereby ensuring the smooth upward movement of the lifted lower portion 32, reducing the resistance to be overcome, and making the transfer of the bait in the device smoother.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (8)

1. An intermittent settlement feed feeding device for aquaculture comprises a feed cavity, a floating plate positioned at the bottom of the feed cavity, a feeding mechanism positioned below the feed cavity, and a feeding box positioned at the bottom of the feeding mechanism, and is characterized in that the feeding mechanism is fixedly arranged at the bottom of the feed cavity, the feeding mechanism comprises a first feeding cavity positioned above, an outer sleeve body positioned below the first feeding cavity, a lifting mechanism positioned inside the outer sleeve body, a second feeding cavity positioned below the outer sleeve body, and a limiting mechanism, the first feeding cavity and the outer sleeve body can rotate freely, the second feeding cavity is fixedly arranged below the outer sleeve body, a first feeding hole is formed in the first feeding cavity, a second feeding hole is formed in the second feeding cavity, the first feeding hole and the second feeding hole are distributed in a staggered manner, the limiting mechanism comprises a positioning pin and a limiting groove, the limiting groove is formed in the first feeding cavity, the lifting mechanism comprises a lifting upper part and a lifting lower part, wherein the lifting upper part is a cylindrical cavity, the upper part of the lifting upper part is fixedly connected with the bottom of the first blanking cavity, a pipeline communicated with the first blanking hole is arranged in the lifting upper part, a base station is arranged below the lifting upper part, a connecting rod is arranged on the base station, the lifting lower part is a cylindrical wall, a funnel-shaped passage is arranged on the bottom surface of the lifting lower part and is used for being communicated with the first blanking hole and the pipeline, a fixing hole matched with the connecting rod is arranged above the lifting lower part, a telescopic rod is further arranged on the lifting lower part, channels matched with the telescopic rod are arranged on the lifting upper part and the first blanking cavity, and the lifting lower part can move up and down along the connecting rod to drive the telescopic rod to move up and down, the feeding mechanism comprises a feeding box, a first feeding hole and a second feeding hole, wherein the feeding box is arranged in the feeding box, the feeding box is fixedly connected with the first feeding hole, the feeding box is fixedly connected with the second feeding hole, and the bottom of the feeding box is provided with a buoy which provides buoyancy for the second feeding hole and the feeding box to move upwards.
2. An intermittent feed feeding device for aquaculture, as claimed in claim 1, wherein said feeding box is a hollow cavity with inlets on both sides, said inlets being spaced from the bottom of the feeding box.
3. An aquaculture intermittent feed sedimentation device according to claim 1 wherein said inclined grooves are angled at an angle of 15-30 ° to the horizontal.
4. An intermittent feed feeding device for aquaculture, as claimed in claim 1, wherein said locating pin is provided with a protrusion at its distal end, wherein said protrusion is adapted to cooperate with said limiting groove to limit the movement of said locating pin.
5. The settled feed feeding device for aquaculture of claim 1, wherein a telescopic spring is arranged above the connecting rod, and the top of the telescopic spring is fixedly connected with the first baiting cavity.
6. The settled feed feeding device for aquaculture as claimed in claim 1, wherein when the device is at rest, the lower part of the lifting part covers the second feed hole, when the float drives the second feed cavity to ascend, the first feed cavity and the outer sleeve body rotate relatively by means of the matching of the positioning pin and the limiting groove, the second feed hole is communicated with the funnel-shaped passage of the lifting part, the telescopic rod pushes against the wrench to keep the first feed hole smooth, so that feed flows into the second feed hole, when the weight of the device is larger than that of the float, the device moves down integrally, the telescopic rod is separated from the wrench at the moment, the tail end of the wrench blocks the first feed hole, and the device stops feeding.
7. A sinking feed feeding device for aquaculture according to claim 1, wherein the funnel shaped passage has a draft angle of 5-10 °.
8. A sinking feed feeding device for aquaculture according to claim 1, wherein the top of the funnel-shaped passage is at a distance from the raised upper bottom surface which is greater than the height of the vertical trough.
CN202010369331.8A 2020-05-02 2020-05-02 Aquaculture subsides fodder with intermittent type formula and feeds and eat device Withdrawn CN111316950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010369331.8A CN111316950A (en) 2020-05-02 2020-05-02 Aquaculture subsides fodder with intermittent type formula and feeds and eat device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010369331.8A CN111316950A (en) 2020-05-02 2020-05-02 Aquaculture subsides fodder with intermittent type formula and feeds and eat device

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CN111316950A true CN111316950A (en) 2020-06-23

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CN202010369331.8A Withdrawn CN111316950A (en) 2020-05-02 2020-05-02 Aquaculture subsides fodder with intermittent type formula and feeds and eat device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112471009A (en) * 2020-12-07 2021-03-12 叶桂金 Aquaculture method for reducing fish food sinking
CN112931354A (en) * 2021-02-03 2021-06-11 王军 Fodder sampling device and aquatic products equipment of feeding
CN115191390A (en) * 2022-07-15 2022-10-18 九江星祥水产养殖有限公司 Feeding machine for loach powder feed

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112471009A (en) * 2020-12-07 2021-03-12 叶桂金 Aquaculture method for reducing fish food sinking
CN112471009B (en) * 2020-12-07 2022-05-20 辽宁每日农业集团有限公司 Aquaculture method for reducing fish food sinking
CN112931354A (en) * 2021-02-03 2021-06-11 王军 Fodder sampling device and aquatic products equipment of feeding
CN115191390A (en) * 2022-07-15 2022-10-18 九江星祥水产养殖有限公司 Feeding machine for loach powder feed

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Application publication date: 20200623

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