CN103798119A - Multifunctional lemna minor culturing net cage for pond - Google Patents
Multifunctional lemna minor culturing net cage for pond Download PDFInfo
- Publication number
- CN103798119A CN103798119A CN201410085127.8A CN201410085127A CN103798119A CN 103798119 A CN103798119 A CN 103798119A CN 201410085127 A CN201410085127 A CN 201410085127A CN 103798119 A CN103798119 A CN 103798119A
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- Prior art keywords
- net cage
- duckweed
- pond
- functional
- buoyancy aid
- 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.)
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Links
- 244000207740 Lemna minor Species 0.000 title claims abstract description 68
- 235000006439 Lemna minor Nutrition 0.000 title claims abstract description 68
- 238000012258 culturing Methods 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 235000001855 Portulaca oleracea Nutrition 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 33
- 239000004575 stone Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000005060 rubber Substances 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 abstract description 37
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 241000252229 Carassius auratus Species 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract 1
- 230000000384 rearing effect Effects 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019629 palatability Nutrition 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 241000209524 Araceae Species 0.000 description 1
- 235000019750 Crude protein Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000339996 Lemna obscura Species 0.000 description 1
- 241000209501 Spirodela Species 0.000 description 1
- 240000000818 Wolffia arrhiza Species 0.000 description 1
- 235000002740 Wolffia arrhiza Nutrition 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a multifunctional lemna minor culturing net cage for a pond, which 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 sinkers; the floating body check block is arranged at the upper end of the net cage in a manner of surrounding the edge of the upper edge of the net cage; the outer edge net is a netty sheet body, is connected with the floating body check block, is laid around the upper end of the net cage in a surrounding manner and is provided with floats so as to float on the water surface; the net cage is suspended in the water under the combined action of buoyancies of the floating body check block and the floats and sinking forces of the sinkers; the floating body check block floats on the water surface in a manner that the top half part of the floating body check block is exposed out of the water surface; the floating body check block is provided with at least one foodstuff opening. The multifunctional lemna minor culturing net cage for the pond has good lemna minor culturing and preservation functions and not only can continuously provide edible lemna minor for fishes, but also takes an effect of purifying water quality of the pond. Moreover, the multifunctional lemna minor culturing net cage for the pond can also be used for culturing and breeding fancy fishes such as goldfishes and the like and can also be used as a temporary rearing net cage of fishes in necessity.
Description
Technical field
The present invention relates to technical field of aquaculture, 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 ℃, 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.
Summary of the invention
The present invention 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 guarantee 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 present invention 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 present invention compared with prior art, has following beneficial effect:
1, the multi-functional duckweed in a kind of pond of the present invention 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 guarantee in pond cultured fishes simultaneously and and duckweed be cultivated and conservation.
2, a further advantage of the invention is simple in structurely, suspension effect is good, easy to use, and cost is lower.
3, the present invention 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 present invention further advantage be to be provided with foodstuff mouth for fish duckweed, can automatically feed fish and can protect again duckweed.
5, the present invention 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 present invention 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 present invention 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.
Accompanying drawing explanation
The perspective view that accompanying drawing 1 is cultivated net cage for the multi-functional duckweed in pond of the present invention;
Accompanying drawing 2 is vertical view of the present invention;
Accompanying drawing 3 is buoyancy aid stop block structure schematic diagram of the present invention;
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 present invention 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 scope of the present invention is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, " left side ", " right side ", 'fornt', 'back' be all take 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 present invention.
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:
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 present invention 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 invention, 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 present invention has good duckweed and cultivates and conservation function, can be constantly for fish provide edible duckweed, play again the effect that purifies pond water quality.In addition, the present invention also can cultivate and cultivate the fancy fishes such as goldfish, also can be used as if desired the temporarily foster net cage operative installations of fish.
Disclosed is above only specific embodiments of the invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of, as all fallen into protection scope of the present invention.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085127.8A CN103798119B (en) | 2014-03-10 | 2014-03-10 | Multi-functional duckweed cultivates net cage in pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085127.8A CN103798119B (en) | 2014-03-10 | 2014-03-10 | Multi-functional duckweed cultivates net cage in pond |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103798119A true CN103798119A (en) | 2014-05-21 |
| CN103798119B CN103798119B (en) | 2015-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410085127.8A Expired - Fee Related CN103798119B (en) | 2014-03-10 | 2014-03-10 | Multi-functional duckweed cultivates net cage in pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103798119B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105453939A (en) * | 2016-01-21 | 2016-04-06 | 湖南省森林植物园 | Method for fabricating simple royal water lily cultivation container |
| CN108244002A (en) * | 2018-03-20 | 2018-07-06 | 中冶节能环保有限责任公司 | A kind of ecological method and system that growth is broken out using fingerling control duckweed |
| CN109997671A (en) * | 2019-05-14 | 2019-07-12 | 中铁四川生态城投资有限公司 | A kind of suspension polyculture method of chrysanthemum bladderwort and duckweed |
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| CN103332790A (en) * | 2013-06-20 | 2013-10-02 | 河海大学 | Light enhancing oxygen-enriched organism structural system for synchronously repairing eutrophicated water bodies in rivers and lakes and sediments in situ |
| CN203708986U (en) * | 2014-03-10 | 2014-07-16 | 广西大学 | Pond multifunctional duckweed cultivation net cage |
-
2014
- 2014-03-10 CN CN201410085127.8A patent/CN103798119B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4536988A (en) * | 1984-01-31 | 1985-08-27 | The Lemna Corporation | Aquatic biomass containment barrier and method of assembling same |
| US5050341A (en) * | 1990-05-02 | 1991-09-24 | Penda Corporation | Thermoplastic aquatic biomass containment barrier with reinforced hinge |
| CN101074558A (en) * | 2007-01-25 | 2007-11-21 | 河北农业大学 | Urban water-body bank ecological restoring apparatus |
| CN102448286A (en) * | 2009-04-20 | 2012-05-09 | Pa有限责任公司 | Cultivation, harvesting and processing of floating aquatic species with high growth rates |
| DE102009033574A1 (en) * | 2009-07-16 | 2011-02-03 | Hermann-Josef Wilhelm | Method for producing biomass of aquatic plants in greenhouses, involves providing plant trough with distributed ball spheres or introducing balls in plant trough, adhering aquatic plants at balls, and making balls from buoyant material |
| CN202272773U (en) * | 2011-08-25 | 2012-06-13 | 上海海洋大学 | Net cage type ecological mattress with adjustable sinking position |
| CN102531183A (en) * | 2012-01-04 | 2012-07-04 | 上海海洋大学 | Method for controlling eutrophication of fish farming area in freshwater cage by floating plants |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105453939A (en) * | 2016-01-21 | 2016-04-06 | 湖南省森林植物园 | Method for fabricating simple royal water lily cultivation container |
| CN108244002A (en) * | 2018-03-20 | 2018-07-06 | 中冶节能环保有限责任公司 | A kind of ecological method and system that growth is broken out using fingerling control duckweed |
| CN108244002B (en) * | 2018-03-20 | 2023-06-13 | 中冶节能环保有限责任公司 | Ecological method and system for controlling sudden growth of duckweed by using fingerling |
| CN109997671A (en) * | 2019-05-14 | 2019-07-12 | 中铁四川生态城投资有限公司 | A kind of suspension polyculture method of chrysanthemum bladderwort and duckweed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103798119B (en) | 2015-09-30 |
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