CN203708986U - Pond multifunctional duckweed cultivation net cage - Google Patents

Pond multifunctional duckweed cultivation net cage Download PDF

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Publication number
CN203708986U
CN203708986U CN201420105819.XU CN201420105819U CN203708986U CN 203708986 U CN203708986 U CN 203708986U CN 201420105819 U CN201420105819 U CN 201420105819U CN 203708986 U CN203708986 U CN 203708986U
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CN
China
Prior art keywords
net cage
duckweed
pond
functional
buoyancy aid
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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Withdrawn - After Issue
Application number
CN201420105819.XU
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Chinese (zh)
Inventor
黄凯
黄丽达
周宇
文衍红
程远
黄清
唐丽宁
黄秀芸
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Guangxi University
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Guangxi University
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Priority to CN201420105819.XU priority Critical patent/CN203708986U/en
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Publication of CN203708986U publication Critical patent/CN203708986U/en
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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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Abstract

The utility model discloses a pond multifunctional duckweed cultivation net cage. The pond multifunctional duckweed cultivation net cage comprises a net cage, a floating body check block and an outer edge net, wherein the upper end face of the net cage is an open face, the net cage is provided with a sinker; the floating body check block is arranged at the upper end of the net cage in a mode of surrounding the edge of the upper end of the net cage; and the outer edge net is a net-shaped piece body and is connected with the floating body check block, laid around the upper end of the net cage in a surrounded mode and provided with a floater so as to float on the water surface. The net cage is suspended in water under the joint effect of buoyancy of the floating body check block and the floater and sedimentation force of the sinker, and the floating body check block floats on the water surface in a mode of exposing the upper half part out of the water surface and is provided with at least one feed port. The pond multifunctional duckweed cultivation net cage has an extremely good cultivation and breed conservation function and can continuously provide duckweed for fishes and have the effect of purifying water quality of a pond. In addition, the pond multifunctional duckweed cultivation net cage can be used for cultivating ornamental fishes such as goldfish and can serve as a temporary rearing net cage for the fishes in case of necessity.

Description

Multi-functional duckweed is cultivated net cage in pond
Technical field
The utility model relates to technical field of aquaculture, and particularly the multi-functional duckweed in a kind of pond is cultivated net cage.
Background technology
Duckweed refers to that wolffia arrhiza, little duckweed, duckweed spirodela etc. belong to the aquatic floating plant of Lemnaceae.The content of duckweed crude protein and vitamin is high, nutritious, good palatability, and reproduction speed is fast, be the high-quality bait of phytophagy and ominivore-fish, and it also has certain medical value.Utilizing duckweed to breed fish and can not only cultivate the fingerling that specification is large and neat, and also have great importance in the cultivation of adult fish, is to reduce feed cost, the effective way of increasing economic efficiency.In addition, in pond, cultivate duckweed and also can play the effect that purifies and regulate and control water quality.
Duckweed is mainly grown in the surface of water body, and its more suitable growth water temperature is 20-30 DEG C, and duckweed both can be cultivated in existing fish pond, also can cultivate by special pond.Owing to carrying out the cultivation of special pond, special pond need to be set in addition, and to drop into special artificial culture and fish for and throw something and feed, cost is higher, so method seldom adopts, and it is comparatively general to adopt existing fish pond to carry out the method for duckweed cultivation, in the water surface of limpid, low nutrition, not only poor growth of duckweed, and fiber, ash and carbohydrate content in its body is high, protein content is low.On the contrary, in the eutrophic water surface, duckweed growth is vigorous, and protein content is high, and raw fiber and the ash content of coal are low.
At present, the method that existing fish pond is carried out duckweed cultivation and carried out fish culture is: after the beginning of spring, before fingerling is thrown in pond, first pond is introduced the duckweed of some, along with temperature turns warm, duckweed reproduction speed is very fast, and therefore duckweed is just covered with whole pond very soon.At this time, in the time that temperature is suitable, just in past pond, throwing in fingerling cultivates, in breeding process, along with the continuous growth of fish, the feed of throwing something and feeding toward pond is also along with increase, tired this water body is tending towards eutrophication more, in theory, this water body is applicable to the duckweed growth in pond very much, and it is very vigorous that duckweed also should corresponding growth.But present situation is for a long time that the adult fish culture stage in fishing breeding pond be can not see duckweed (unless temporarily again putting duckweed in pond) at all.Its reason is: due to the good palatability of duckweed; along with the continuous growth of fish; owing to duckweed being lacked to relevant safeguard measure, the duckweed in whole pond has easily been eaten by fish, causes pond to be difficult to can also cultivate continuously duckweed in adult fish culture.
For above-mentioned technological deficiency, how making pond can in cultured fishes, can also continue to cultivate duckweed is a problem of needing solution badly.
Utility model content
The utility model can not continue to cultivate the technological deficiency of duckweed simultaneously in order to overcome existing pond of breeding fish, invent the multi-functional duckweed in a kind of pond and cultivated net cage, it can ensure cultured fishes simultaneously and cultivation duckweed in pond, and the net cage of supporting temporarily that can also serve as common fish or ornamental fish uses, simple in structure, easy to use.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
The multi-functional duckweed in a kind of pond is cultivated net cage, and it comprises:
Net cage, its upper surface is open surface, and it is provided with sinker;
Buoyancy aid block, it is arranged at described net cage upper end to be surrounded on the mode of described net cage upper end-face edge;
Outer hoddy, it is netted lamellar body, it is connected with described buoyancy aid block and around being layed in described net cage upper end around, and it is provided with float to float on the water surface;
Described net cage is in the acting in conjunction low suspension of described buoyancy aid block and the buoyancy of float and the settling capacity of described sinker water, and the mode that described buoyancy aid block surfaces with the first half floats on the water surface.
Preferably, described sinker is several and the edge that hang on described net cage lower end.
Preferably, described sinker material is stone material or metal.
Preferably, described sinker is fusiformis shape or oval spherical.
Preferably, described float is several and the edge that hang on described outer hoddy.
Preferably, the material of described float is bamboo and wood materials, plastics or rubber.
Preferably, described float is fusiformis shape or oval spherical or spherical.
Preferably, the material of described buoyancy aid block is bamboo and wood materials, plastics or rubber.
Preferably, described buoyancy aid block is rectangular-shaped floating bar by some or cylindrical float tube is formed by connecting.
Preferably, also comprise that a fixture rests on specific region for limiting described net cage.
Preferential, described fixture is at least one and is fixed on the dead lever being fixedly connected with in pond and with described net cage.
Preferably, described fixture comprises that at least one block of stone and at least one are connected in the rope on described net cage described stone
Preferably, also comprise a door, it can be covered on described buoyancy aid block upper end.
Preferably, described buoyancy aid block is provided with at least one outwardly foodstuff mouth, and described foodstuff mouth communicates with described net cage upper end open surface.
Preferably, described outer hoddy is connected with the upper surface of described buoyancy aid block, and the top of described foodstuff mouth is covered by described outer hoddy.
Preferably, described foodstuff mouth is four and is distributed in respectively described buoyancy aid block front, rear, left and right four direction.
The utility model compared with prior art, has following beneficial effect:
1, the multi-functional duckweed in a kind of pond of the utility model is cultivated net cage, acting in conjunction by buoyancy aid block, float and sinker is suspended in pond waters net cage to carry out duckweed cultivation, buoyancy aid block and net cage can prevent that duckweed from leaving in casing or fish trip network access case, and by outer hoddy is set, can prevent that fish from jumping in net cage, can ensure in pond cultured fishes simultaneously and and duckweed be cultivated and conservation.
2, the further advantage of the utility model is simple in structure, and suspension effect is good, easy to use, and cost is lower.
3, the utility model further advantage be that the material of buoyancy aid block and float is bamboo and wood materials, plastics or rubber etc., sinker material is stone material or metal etc., it is easily manufactured, cost is lower.
4, the utility model further advantage be to be provided with foodstuff mouth for fish duckweed, can automatically feed fish and can protect again duckweed.
5, the utility model further advantage be can also be used for cultivating and fancy fishes such as cultivation goldfish etc., if desired, that also can work as fish supports net cage use temporarily, its applicability is strong.
6, the utility model further advantage be to be provided with door, at strong wind or rain etc. in weather and to cover in buoyancy aid block upper end so that net cage open surface is built by door, avoid duckweed all to be scraped and fly or be blown into foodstuff mouth by wind.
7, the utility model further advantage be to be provided with positioner, it can limit net cage and rest on specific region, avoids net cage arbitrarily to drift about, convenient management.
Brief description of the drawings
Accompanying drawing 1 is the perspective view that the multi-functional duckweed in the utility model pond is cultivated net cage;
Accompanying drawing 2 is vertical view of the present utility model;
Accompanying drawing 3 is buoyancy aid stop block structure schematic diagram of the present utility model;
Wherein:
1, net cage;
2, sinker;
3, outer hoddy;
4, float;
5, foodstuff mouth;
6, buoyancy aid block;
7, rope;
8, stone.
Embodiment
Further describe the utility model referring to accompanying drawing and in conjunction with embodiment, to make those skilled in the art can implement according to this with reference to specification word, but be to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present utility model " on ", D score, " left side ", " right side ", 'fornt', 'back' be all taking the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technical scheme of the utility model.
Embodiment
As depicted in figs. 1 and 2, the multi-functional duckweed in a kind of pond is cultivated net cage, and it comprises net cage 1, sinker 2, outer hoddy 3, float 4, foodstuff mouth 5 and buoyancy aid block 6, wherein:
Net cage 1 is prismatoid shape or cubic, the upper surface of net cage 1 is open surface, and it opens wide using the opening as net cage 1, and other sides are netted, net cage 1 can adopt the net sheet of synthetic fibers braiding to sew up and form, and the open surface of net cage 1 is interior for duckweed is cultivated.
Sinker 2 has several and hang on equably on the four edges edge of net cage 1 lower surface, sinker 2 need to provide enough settling capacities for net cage 1, therefore its material density should be greater than the density of water, the utility model preferably its material is stone material or metal, and sinker 2 is oval spherical or fusiformis shape, be arranged on the edge of net cage 1 lower surface so that bundle, and sinker 2 does not have seamed edge can effectively reduce the netting twine wearing and tearing to net cage 1.
Buoyancy aid block 6 with the upper end that is surrounded on the mode of net cage 1 upper end four edges edge and is arranged at net cage 1 so that the upper end of net cage 1 is surrounded, the front, rear, left and right four direction of buoyancy aid block 6 is respectively arranged with four outwardly foodstuff mouths 5, foodstuff mouth 5 is square-shaped, and former and later two foodstuff mouths 5 are symmetrical, two the foodstuff mouths 5 in left and right are symmetrical, the open surface of foodstuff mouth 5 and net cage 1 upper end.Buoyancy aid block 6 need to swim on the water surface and provide buoyancy for net cage 1, therefore it should be less than the buoyancy material of the density of water for density, the utility model preferably its material is bamboo and wood materials, foam, plastics or rubber, and its material can be also other composite fibre materials or high molecular polymer.As shown in Figure 3, buoyancy aid block 6 can be float tube cylindraceous or rectangular-shaped floating bar is sequentially formed by connecting by some.
Outer hoddy 3 is netted lamellar body, its inner side corresponding with net cage 1 upper end and its inside with being connected of float tube block 6, and the lateral extension of outer hoddy 3 launches to be layed on the net cage 1 upper end open surface water surface around, on the edge in outer hoddy 3 outsides, be evenly provided with several floats 4, the material of float 4 is bamboo and wood materials, foam, plastics or rubber, its material can be also other composite fibre materials or high molecular polymer, its profile is fusiformis shape or oval spherical or spherical, float 4 makes outer hoddy 3 keep launching and floats on the water surface so that near water surface water tank 1 is covered.Because float 4 need to float on the water surface and provide buoyancy for net cage 1, therefore its material density should be less than the density of water, the utility model preferably its material is bamboo and wood materials, foam, plastics or rubber, and its material can be also other composite fibre materials or high molecular polymer.
The acting in conjunction low suspension of the settling capacity that the buoyancy that net cage 1 produces at buoyancy aid block 6 and float 4 and sinker 2 produce is in water, and the mode that buoyancy aid block 6 surfaces with a part floats on the water surface so that duckweed is surrounded in the open surface of net cage 1.Outer hoddy 3 can prevent that fish from jumping near net cage 1 and drop and enter in net cage 1 after getting up.Because foodstuff mouth 5 communicates with the open surface of net cage 1 upper end, it is edible for fish that duckweed can flow out to foodstuff mouth 5, and the side of net cage 1 can prevent that fish from entering in net cage 1 from foodstuff mouth 5.Outer hoddy 3 also can be set to be connected with the upper surface of buoyancy aid block 1, and the top of foodstuff mouth 3 covered by outer hoddy 3, and outer hoddy 3 also can stop fish to jump into net cage 1 from foodstuff mouth 5.In the time that duckweed growth is covered with the open surface of net cage 1, duckweed just can be extruded in foodstuff mouth 5, simultaneously because outer hoddy 3 outsides also float on the water surface, therefore outer hoddy 3 can also prevent duckweed toward external diffusion so that duckweed is concentrated in foodstuff mouth 5.
Wait in weather quilt to be scraped to fly to leave net cage 1 for avoiding duckweed at strong wind or raining, one door (figure does not look) also can be set in addition, door can be both that netted lamellar body can be also other tabular objects, while needs, cover in buoyancy aid block 6 upper ends so that net cage 1 open surface is built by door, avoid duckweed all to be scraped and fly or be blown into foodstuff mouth 5 by wind.
In addition, cultivate and management to facilitate for net cage 1 restriction is rested on to specific region, a positioner also can be set to avoid net cage arbitrarily to drift about.Positioner comprises that at least one block of heavier stone 8 and at least one is connected to the rope 7 on net cage 1 stone 8, at the bottom of stone 8 sinks to pond and by rope 7, hauls net cage, can limit net cage 1 to drift at a distance.Positioner can also be some and be fixed on the backstay (figure does not look) being connected in pond and with net cage 1.
The utility model can be connected net cage 1, buoyancy aid block 6, outer hoddy 3, float 4 and sinker 2 by netting twine and gang rope.When duckweed is positioned over and cultivates in the open surface of net cage 1 of the present utility model, can prevent from that fish from jumping to enter in net cage 1 or duckweed leaves net cage 1, and fish only can, by foodstuff mouth 5 duckweed that ingests, can effectively avoid duckweed to eat and be consumed because fish are excessive.The utlity model has good duckweed and cultivate and conservation function, can be constantly for fish provide edible duckweed, play again the effect that purifies pond water quality.In addition, the fancy fishes such as goldfish also can be cultivated and cultivate to the utility model, also can be used as if desired the temporarily foster net cage operative installations of fish.
Disclosed is above only specific embodiment of the utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of, as all fallen into protection domain of the present utility model.

Claims (9)

1. the multi-functional duckweed in pond is cultivated a net cage, it is characterized in that: it comprises:
Net cage, its upper surface is open surface, and it is provided with sinker;
Buoyancy aid block, it is arranged at described net cage upper end to be surrounded on the mode of described net cage upper end-face edge;
Outer hoddy, it is netted lamellar body, it is connected with described buoyancy aid block and around being layed in described net cage upper end around, and it is provided with float to float on the water surface;
Described net cage is in the acting in conjunction low suspension of described buoyancy aid block and the buoyancy of float and the settling capacity of described sinker water body, and the mode that described buoyancy aid block surfaces with the first half floats on the water surface.
2. the multi-functional duckweed in pond according to claim 1 is cultivated net cage, it is characterized in that: described sinker is several and the edge that hang on described net cage lower end.
3. the multi-functional duckweed in pond according to claim 2 is cultivated net cage, it is characterized in that: described sinker material is stone material or metal.
4. the multi-functional duckweed in pond according to claim 1 is cultivated net cage, it is characterized in that: described float is several and the edge that hang on described outer hoddy.
5. the multi-functional duckweed in pond according to claim 4 is cultivated net cage, it is characterized in that: the material of described float is bamboo and wood materials, plastics or rubber.
6. the multi-functional duckweed in pond according to claim 1 is cultivated net cage, it is characterized in that: the material of described buoyancy aid block is bamboo and wood materials, plastics or rubber.
7. the multi-functional duckweed in pond according to claim 1 is cultivated net cage, it is characterized in that: also comprise that a fixture rests on specific region for limiting described net cage.
8. cultivate net cage according to the multi-functional duckweed in the pond described in any one in claim 1-7, it is characterized in that: described buoyancy aid block is provided with at least one outwardly foodstuff mouth, described foodstuff mouth communicates with the open surface of described net cage upper end.
9. the multi-functional duckweed in pond according to claim 8 is cultivated net cage, it is characterized in that: described foodstuff mouth is four and is distributed in respectively described buoyancy aid block front, rear, left and right four direction.
CN201420105819.XU 2014-03-10 2014-03-10 Pond multifunctional duckweed cultivation net cage Withdrawn - After Issue CN203708986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420105819.XU CN203708986U (en) 2014-03-10 2014-03-10 Pond multifunctional duckweed cultivation net cage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420105819.XU CN203708986U (en) 2014-03-10 2014-03-10 Pond multifunctional duckweed cultivation net cage

Publications (1)

Publication Number Publication Date
CN203708986U true CN203708986U (en) 2014-07-16

Family

ID=51148210

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Application Number Title Priority Date Filing Date
CN201420105819.XU Withdrawn - After Issue CN203708986U (en) 2014-03-10 2014-03-10 Pond multifunctional duckweed cultivation net cage

Country Status (1)

Country Link
CN (1) CN203708986U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103798119A (en) * 2014-03-10 2014-05-21 广西大学 Multifunctional lemna minor culturing net cage for pond
CN104365526A (en) * 2014-10-31 2015-02-25 洛阳昌盛水产有限公司 Water surface fish pool fixing device
CN106613277A (en) * 2017-01-10 2017-05-10 湖北科技学院 Efficient lotus root planting net cage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103798119A (en) * 2014-03-10 2014-05-21 广西大学 Multifunctional lemna minor culturing net cage for pond
CN104365526A (en) * 2014-10-31 2015-02-25 洛阳昌盛水产有限公司 Water surface fish pool fixing device
CN106613277A (en) * 2017-01-10 2017-05-10 湖北科技学院 Efficient lotus root planting net cage

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140716

Effective date of abandoning: 20150930

RGAV Abandon patent right to avoid regrant