CN203912949U - The separator of a kind of small jellyfish and fish eggs and larvae sample - Google Patents

The separator of a kind of small jellyfish and fish eggs and larvae sample Download PDF

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Publication number
CN203912949U
CN203912949U CN201420340131.XU CN201420340131U CN203912949U CN 203912949 U CN203912949 U CN 203912949U CN 201420340131 U CN201420340131 U CN 201420340131U CN 203912949 U CN203912949 U CN 203912949U
Authority
CN
China
Prior art keywords
screen cloth
connecting tube
reducing connecting
main pipe
separator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420340131.XU
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Chinese (zh)
Inventor
王雪辉
杜飞雁
林昭进
刘维达
王跃中
梁新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Original Assignee
South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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Filing date
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Application filed by South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences filed Critical South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Priority to CN201420340131.XU priority Critical patent/CN203912949U/en
Application granted granted Critical
Publication of CN203912949U publication Critical patent/CN203912949U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

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  • Sampling And Sample Adjustment (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Catching Or Destruction (AREA)

Abstract

The separator that the utility model discloses a kind of small jellyfish and fish eggs and larvae sample, is characterized in that: described separator comprises main pipe and valve (7); In described main pipe's inside cavity, be provided with mesh size and be enough to the mesoporous screen cloth (4) that stops that small jellyfish passes and allows fish eggs and larvae pass, described main pipe is positioned on the tube wall below mesoporous screen cloth (4) and has osculum, and this osculum is provided with mesh size is enough to the small-bore bolting silk (8) that stops that fish eggs and larvae passes, and described valve (7) is installed on main pipe's bottom.The utility model can be easy from fish eggs and larvae sample by small jellyfish, efficiently and rapidly separate, and reaches the object that fish eggs and larvae sample is easy to bottling and carries, and guarantees carrying out smoothly of marine field investigation work; And, the utlity model has simple in structure, easy accessibility, easy operating and the low advantage of cost.

Description

The separator of a kind of small jellyfish and fish eggs and larvae sample
Technical field
The utility model relates to the separator of a kind of small jellyfish and fish eggs and larvae sample.
Background technology
Fish eggs and larvae is that the stock of fish self supplements and the basis of sustainable development, and its kind is many, quantity is large, is determining the supplementary of fishery resources.By the research of its distributed number rule, can determine the position in fishing ground, center, and provide important clue for finding spawning colony.The investigation of fish eggs and larvae, is the important channel of understanding and grasping fish spawning ground and egg-laying period, and the science estimation that can be fishery resources amount is provided fundamental basis.In addition, as halobiontic prey and predator, fish eggs and larvae or the important content of marine ecosystems research.
Fish eggs and larvae is used macroplankton collection conventionally, then filters unnecessary seawater through etting and net bottom pipe, and bottling is preserved and taken back lab analysis.Spring, summer are the prolific peak periods of jellyfish, the change of the marine ecosystems structure causing because of overfishing in recent years in addition, the jellyfish class quantity showed increased in offshore fish spawning ground, cause the fish eggs and larvae sample collecting to be difficult to bottling preservation fast because being mixed with a large amount of jellyfishes, and had a strong impact on the progress of field investigation.Therefore, be badly in need of energy of designing and making by small jellyfish effective separated device from the fish eggs and larvae sample gathering.
Utility model content
Technical problem to be solved in the utility model is: the separator of a kind of small jellyfish and fish eggs and larvae sample is provided, and can small jellyfish is easy from fish eggs and larvae sample, efficiently and rapidly separate.
Solve the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
A separator for small jellyfish and fish eggs and larvae sample, is characterized in that: described separator comprises main pipe and valve; In described main pipe's inside cavity, be provided with mesh size and be enough to the mesoporous screen cloth that stops that small jellyfish passes and allows fish eggs and larvae pass, described main pipe is positioned on the tube wall below mesoporous screen cloth and has osculum, and this osculum is provided with mesh size is enough to the small-bore bolting silk that stops that fish eggs and larvae passes, and described valve installation is in main pipe's bottom.
As a kind of improvement of the present utility model, in described main pipe's inside cavity, be also provided with the large aperture screen cloth that is positioned at mesoporous screen cloth top, the mesh size of this large aperture screen cloth is more than the mesh size of mesoporous screen cloth.
As preferred embodiment of the present utility model, described main pipe is by upper tube body, the first reducing connecting tube, lower tube body and the second reducing connecting tube form, described the first reducing connecting tube and the second reducing connecting tube are by upper pipe portion, reducing portion and lower pipe portion form, upper pipe portion and the lower tube portion of described the first reducing connecting tube are not set in the bottom of upper tube body and the upper end of lower tube body, the upper pipe portion of the second reducing connecting tube is set in the bottom of lower tube body, the lower pipe portion of described the second reducing connecting tube is main pipe's bottom, described large aperture screen cloth is installed between the upper pipe portion of the bottom of upper tube body and the first reducing connecting tube, described mesoporous screen cloth is installed between the lower pipe portion and the upper end of lower tube body of the first reducing connecting tube.
As a kind of embodiment of the present utility model, described upper tube body and lower tube body are respectively the pipe of axial length 250mm and 200mm, the upper pipe portion internal diameter size of the outside dimension of described upper tube body and the first reducing connecting tube is 160mm, the upper pipe portion internal diameter size of the lower pipe portion internal diameter size of described the first reducing connecting tube, the outside dimension of lower tube body and the second reducing connecting tube is 110mm, and the lower pipe portion outside dimension of described the second reducing connecting tube is 50mm.
As a kind of embodiment of the present utility model, described main pipe is made by PVC material.
As a kind of embodiment of the present utility model, described mesoporous screen cloth and large aperture screen cloth are made by nylon material.
As a kind of embodiment of the present utility model, described valve is ball valve.
As a kind of embodiment of the present utility model, described osculum comprises four rectangular through holes that are circumferentially uniformly distributed setting along main pipe, and described rectangular through holes is of a size of 80*40mm.
Compared with prior art, the utlity model has following beneficial effect:
First, the utility model in use, the fish eggs and larvae sample that is mixed with small jellyfish is poured into the inner cavity of main pipe from main pipe's upper port, make small jellyfish, jellyfish fragment and rubbish etc. are blocked on mesoporous screen cloth, only fish eggs and larvae sample can follow current to pass mesoporous screen cloth, and utilize small-bore bolting silk to stop fish eggs and larvae sample and discharge the effect that excessive water flows, make fish eggs and larvae sample can enter into main pipe's foot and be stopped by valve, finally, open valve and be available sample bottle quick collection to the fish eggs and larvae sample after separation,
The second, the utility model, by large aperture screen cloth is set, is first blocked in most small jellyfish on the screen cloth of large aperture, thereby has reduced the required pressure bearing of mesoporous screen cloth, has improved the reliability of separator;
The 3rd, the utility model forms main pipe with upper tube body, the first reducing connecting tube, lower tube body and the second reducing connecting tube, makes separator more be easy to dismounting;
In sum, the utility model can be easy from fish eggs and larvae sample by small jellyfish, efficiently and rapidly separate, and reaches the object that fish eggs and larvae sample is easy to bottling and carries, and guarantees carrying out smoothly of marine field investigation work; And, the utlity model has simple in structure, easy accessibility, easy operating and the low advantage of cost.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of separator of the present utility model;
Fig. 2 is the structure exploded perspective view of separator of the present utility model.
Embodiment
As depicted in figs. 1 and 2, the separator of small jellyfish of the present utility model and fish eggs and larvae sample comprises main pipe, large aperture screen cloth 2, mesoporous screen cloth 4, small-bore bolting silk 8 and valve 7, wherein, main pipe is comprised of upper tube body 1, the first reducing connecting tube 3, lower tube body 5 and the second reducing connecting tube 6, the mesh size of mesoporous screen cloth 4 is enough to stop that small jellyfish passes and allows fish eggs and larvae pass, the mesh size of large aperture screen cloth 2 is more than the mesh size of mesoporous screen cloth 4, and the mesh size of small-bore bolting silk 8 is enough to stop that fish eggs and larvae passes.
The first reducing connecting tube 3 of the present utility model and the second reducing connecting tube 6 are by upper pipe portion, reducing portion and lower pipe portion form, the upper pipe portion of the first reducing connecting tube 3 and lower tube portion are not set in the bottom of upper tube body 1 and the upper end of lower tube body 5, the upper pipe portion of the second reducing connecting tube 6 is set in the bottom of lower tube body 5, large aperture screen cloth 2 is installed between the upper pipe portion of the bottom of upper tube body 1 and the first reducing connecting tube 3, mesoporous screen cloth 4 is installed between the lower pipe portion and the upper end of lower tube body 5 of the first reducing connecting tube 3, make mesoporous screen cloth 4 be positioned at the below of large aperture screen cloth 2, it is to have osculum on the tube wall of lower tube body 5 that main pipe is positioned on the tube wall of mesoporous screen cloth 4 belows, and this osculum comprises four rectangular through holes that are circumferentially uniformly distributed setting along main pipe, and these four rectangular through holes are by 8 sealings of small-bore bolting silk, the bottom that valve 7 is installed on main pipe i.e. the lower pipe portion of the second reducing connecting tube 6.
Above-mentioned main pipe is made by PVC material, mesoporous screen cloth 4 and large aperture screen cloth 2 are made by nylon material, upper tube body 1 and lower tube body 5 are respectively the pipe of axial length 250mm and 200mm, the upper pipe portion internal diameter size of the outside dimension of upper tube body 1 and the first reducing connecting tube 3 is 160mm, the lower pipe portion internal diameter size of the first reducing connecting tube 3, the upper pipe portion internal diameter size of the outside dimension of lower tube body 5 and the second reducing connecting tube 6 is 110mm, the lower pipe portion outside dimension of the second reducing connecting tube 6 is 50mm, the size of four rectangular through holes is 80*40mm, valve 7 is ball valve.
During use, the upper port that is upper tube body 1 from main pipe's upper port by the fish eggs and larvae sample that is mixed with small jellyfish is poured into the inner cavity of main pipe, most of small jellyfish is blocked on large aperture screen cloth 2, indivedual especially little small jellyfishs of build, jellyfish fragment and rubbish etc. are blocked on mesoporous screen cloth 4, only fish eggs and larvae sample can follow current to pass in large aperture screen cloth 2 and mesoporous screen cloth 4 inflow lower tube bodies 5, utilize small-bore bolting silk 8 to stop fish eggs and larvae sample and discharge the effect that excessive water flows, make fish eggs and larvae sample can enter into the second reducing connecting tube 6 and be stopped by valve 7, finally, open valve 7 and be available sample bottle quick collection to the fish eggs and larvae sample after separation.
The utility model does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary skill knowledge and the customary means of this area; do not departing under the above-mentioned basic fundamental thought of the utility model prerequisite; the utility model can also be made equivalent modifications, replacement or the change of other various ways, all drops among protection domain of the present utility model.

Claims (8)

1. a separator for small jellyfish and fish eggs and larvae sample, is characterized in that: described separator comprises main pipe and valve (7); In described main pipe's inside cavity, be provided with mesh size and be enough to the mesoporous screen cloth (4) that stops that small jellyfish passes and allows fish eggs and larvae pass, described main pipe is positioned on the tube wall below mesoporous screen cloth (4) and has osculum, and this osculum is provided with mesh size is enough to the small-bore bolting silk (8) that stops that fish eggs and larvae passes, and described valve (7) is installed on main pipe's bottom.
2. separator according to claim 1, it is characterized in that: in described main pipe's inside cavity, be also provided with the large aperture screen cloth (2) that is positioned at mesoporous screen cloth (4) top, the mesh size of this large aperture screen cloth (2) is more than the mesh size of mesoporous screen cloth (4).
3. separator according to claim 2, it is characterized in that: described main pipe is by upper tube body (1), the first reducing connecting tube (3), lower tube body (5) and the second reducing connecting tube (6) form, described the first reducing connecting tube (3) and the second reducing connecting tube (6) are by upper pipe portion, reducing portion and lower pipe portion form, the upper pipe portion of described the first reducing connecting tube (3) and lower tube portion are not set in the bottom of upper tube body (1) and the upper end of lower tube body (5), the upper pipe portion of the second reducing connecting tube (6) is set in the bottom of lower tube body (5), the lower pipe portion of described the second reducing connecting tube (6) is main pipe's bottom, described large aperture screen cloth (2) is installed between the upper pipe portion of the bottom of upper tube body (1) and the first reducing connecting tube (3), described mesoporous screen cloth (4) is installed between the lower pipe portion of the first reducing connecting tube (3) and the upper end of lower tube body (5).
4. separator according to claim 3, it is characterized in that: described upper tube body (1) and lower tube body (5) are respectively the pipe of axial length 250mm and 200mm, the upper pipe portion internal diameter size of the outside dimension of described upper tube body (1) and the first reducing connecting tube (3) is 160mm, the upper pipe portion internal diameter size of the lower pipe portion internal diameter size of described the first reducing connecting tube (3), the outside dimension of lower tube body (5) and the second reducing connecting tube (6) is 110mm, and the lower pipe portion outside dimension of described the second reducing connecting tube (6) is 50mm.
5. according to the separator described in claim 1 to 4 any one, it is characterized in that: described main pipe is made by PVC material.
6. according to the separator described in claim 2 to 4 any one, it is characterized in that: described mesoporous screen cloth (4) and large aperture screen cloth (2) are made by nylon material.
7. according to the separator described in claim 1 to 4 any one, it is characterized in that: described valve (7) is ball valve.
8. according to the separator described in claim 1 to 4 any one, it is characterized in that: described osculum comprises four rectangular through holes that are circumferentially uniformly distributed setting along main pipe, and described rectangular through holes is of a size of 80*40mm.
CN201420340131.XU 2014-06-24 2014-06-24 The separator of a kind of small jellyfish and fish eggs and larvae sample Expired - Fee Related CN203912949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420340131.XU CN203912949U (en) 2014-06-24 2014-06-24 The separator of a kind of small jellyfish and fish eggs and larvae sample

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420340131.XU CN203912949U (en) 2014-06-24 2014-06-24 The separator of a kind of small jellyfish and fish eggs and larvae sample

Publications (1)

Publication Number Publication Date
CN203912949U true CN203912949U (en) 2014-11-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109169482A (en) * 2018-10-09 2019-01-11 深圳市福田区动物防疫监督所 The device of automatic sub-sieve shrimps in transport
CN115868435A (en) * 2022-11-08 2023-03-31 西南大学 Tropical fish hatching box and hatching method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109169482A (en) * 2018-10-09 2019-01-11 深圳市福田区动物防疫监督所 The device of automatic sub-sieve shrimps in transport
CN115868435A (en) * 2022-11-08 2023-03-31 西南大学 Tropical fish hatching box and hatching method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

Termination date: 20150624

EXPY Termination of patent right or utility model