CN107473394A - A kind of ecological purifier and application method in semiclosed property marine site - Google Patents

A kind of ecological purifier and application method in semiclosed property marine site Download PDF

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Publication number
CN107473394A
CN107473394A CN201710939106.1A CN201710939106A CN107473394A CN 107473394 A CN107473394 A CN 107473394A CN 201710939106 A CN201710939106 A CN 201710939106A CN 107473394 A CN107473394 A CN 107473394A
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breeding cage
marine site
ecological
shellfish
bolting silk
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CN201710939106.1A
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Chinese (zh)
Inventor
见凯
骆其君
严小军
朱艺峰
周成旭
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Ningbo University
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Ningbo University
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Priority to CN201710939106.1A priority Critical patent/CN107473394A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The invention discloses a kind of ecological purifier in semiclosed property marine site, it is made up of several ecological purification units, passes through connection cable series arrangement between the ecological purification unit;The ecological purification unit includes the breeding cage of several paliform being arranged in order from top to bottom, it is attached between the breeding cage by connecting lifting rope, the top of the breeding cage is provided with several ball floats, cap edge positioned at the breeding cage of top is fastened in stake by stake cable, and the bottom of the stake is fixed on seabed;The bottom of the breeding cage and surrounding are equipped with plastics fishing net, the cultivation matrix for shellfish attachment are furnished with the breeding cage, the bottom of the breeding cage, which is equipped with, to prevent from cultivating the back cover bolting silk that matrix is spilt, and the top of the breeding cage is also equipped with sealing bolting silk.The structure of the present invention is simple, easy to use, the higher economic benefit of acquisition while double of closure marine site carries out ecological purification well.

Description

A kind of ecological purifier and application method in semiclosed property marine site
Technical field
The invention belongs to marine ecology purification techniques field, and in particular to a kind of ecological purifier in semiclosed property marine site With application method.
Background technology
Semiclosed property marine site is due to artificial or natural factor, result in and isolates with Adjacent Sea Area, and Lu Yuan shadow Sound is still present, and it is poor that therefore, the current in the marine site are not smooth, water body exchanges, and eutrophication is serious, serious red tide calamity easily occurs Evil.And carry out ecological purification in natural marine site, large-scale economic algae is generally introduced into, the growth using large-scale economic algae is entered Journey, and the elements such as C, N, P in marine site are absorbed, by harvesting large-scale economic algae so that the nutriment in water body be transferred out of The marine systems.It after continuous running, will effectively improve culture zone Water Eutrophication situation, and reduce the nutrition salt solution in waters It is flat, increase dissolved oxygen in water body, improve water quality, purifying aquaculture marine ecosystem.
At present, the existing relevant report of culture zone Water Eutrophication, patent of invention are improved in natural marine site CN105165680A discloses a kind of large yellow croaker-asparagus integrated culture match pattern, the patent provides one kind in large yellow croaker The method that asparagus is kept hanging in aquaculture net cage.Patent of invention CN103598081A discloses a kind of artificial algae field and its construction side Method, some algal reefs are linked together by static line, large-scale economic shellfish is hung between algal reef into algae, with large-scale on algal reef Economic shellfish seedling.Patent of invention CN103609424A discloses a kind of composite type artificial algal reef, is made using waste shell Mesh bag is put into metal framework, and one's own physical property reefs is may make up by the spore release and attachment of frond on seedling rope.But in view of Large-scale economic algae needs to cultivate since small, and begins to aging death to the regular period, therefore, is often confined to specific Space and time in, and a large amount of existing in water body is marine microalgae, and therefore, above patent is to the planktonic organism in marine site Species and biomass do not have substantial improvement.
There is substantial amounts of microalgae in ocean, marine microalgae is a double-edged sword, first, as primary producer, ocean Microalgae can from ocean absorbed nitrogen and phosphorus, and discharge a large amount of dissolved oxygens;But because the individual of marine microalgae is smaller, it is difficult to receive Obtain, it is impossible to collection in time, separate and depart from water body, and fast rotting, and internal nitrogen and phosphorus are dissolved rapidly into environment, so as to Influence water quality.In the semiclosed property marine site of eutrophication, the possibility that there is biomass quickly to increase, even break out for marine microalgae Property.Therefore, one of integral link that marine microalgae can only be as restoration of the ecosystem, it is difficult to serve as marine ecology sanctifier.Therefore, one The device or method that kind can reduce marine microalgae rapidly are urgently developed, to realize the kind of marine microalgae in semiclosed property marine site Class, quantity and biomass reach dynamic equilibrium.
The content of the invention
To overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of ecological purifier in semiclosed property marine site with Application method, and according to the situation of reality, it is determined that suitable type of rearing, detection method, cultivation density, control measures, are realized Set the ecological purification in marine site.
A kind of ecological purifier in semiclosed property marine site, is made up of, the ecological purification several ecological purification units Pass through connection cable series arrangement between unit;The ecological purification unit includes several fence being arranged in order from top to bottom The breeding cage of shape, it is attached by connecting lifting rope between the breeding cage, the top of the breeding cage is provided with several Ball float, the cap edge positioned at the breeding cage of top are fastened in stake by stake cable, and the bottom of the stake is fixed on seabed;Institute State the bottom of breeding cage and surrounding is equipped with plastics fishing net, the cultivation matrix for shellfish attachment, institute are furnished with the breeding cage The bottom for stating breeding cage is equipped with the back cover bolting silk for preventing that cultivation matrix from spilling, and the top of the breeding cage is also equipped with sealing sieve Thin,tough silk.
Preferably, it is 2m often to arrange the distance between ecological purification unit.
Preferably, the connection cable is the blending rope formed using 3 bursts of single blending of restricting, and per share single rope is by 1:1 Wei Ni Synthetic fibre mixes sth. made by twisting with plastic monofilament and formed, a diameter of 4cm of the connection cable.
Preferably, the breeding cage is square breeding cage or cylindrical breeding cage.
Preferably, the length of the connection lifting rope is 0.5m;The ball float is inflation ball float, and the ball float is hung by ball float Rope is fixedly connected on the top of the breeding cage positioned at top.
Preferably, the surrounding of the breeding cage is also equipped with inclosure bolting silk.
Preferably, the aperture of the plastics fishing net is less than shellfish;The aperture of the back cover bolting silk is 60-100 mesh;The envelope The aperture of mouth bolting silk is 120-160 mesh;The aperture of the inclosure bolting silk is 120-160 mesh.
Further, the cultivation matrix in the breeding cage of top is fine sand, and the fine sand, which is used to cultivate, to be used to cultivate It is one or more in qin clam, Ruditapes philippinarum, Mactra veneriformis, the diameter of the fine sand be less than qin clam, Ruditapes philippinarum or Mactra veneriformis;Cultivation matrix in the breeding cage of lower floor is the thin ooze for cultivating blood clam and/or mud blood clam.
Further, present invention also offers a kind of ecological purifier application method in semiclosed property marine site, including it is following Step:
(1) shellfish kind is screened according to the marine microalgae species in the semiclosed property marine site that need to be purified and water layer, gathers shellfish Seedling carries out sea area domestication;
(2) ecological purifier breeding cage bottom and surrounding lay plastics fishing net, in the bottom of breeding cage and Top carries out back cover bolting silk and seals the laying of bolting silk respectively, and corresponding cultivation matrix is distributed into according to the shellfish kind of culture, will The shellfish tamed by step (1) is put into corresponding breeding cage, and breeding cage is deployed to the semiclosed property marine site that need to purify In corresponding water layer;
(3) environmental condition in semiclosed property marine site and the health status of the shellfish in breeding cage are detected in time, and are observed Marine alga adhesion condition in the color change and back cover bolting silk of back cover bolting silk and cultivation matrix, detect that dead shellfish individual needs Cleaning in time;
(4) season is bred, inclosure bolting silk is covered in the surrounding of plastics fishing net, breeding cage is spilt to prevent shellfish larvae.
Compared with prior art, the inventive method has the following advantages that:
(1) present invention is by building the ecological purifier used in a kind of semiclosed property marine site, with shallow sea raft culture Method, breeding cage can be made to be positioned in region and the water layer of selection, shellfish is screened according to pollution condition, and lays Corresponding cultivation matrix, imports the shellfish through domestication, particularly Bivalve, marine microalgae of quickly being ingested in shellfish growth course, Make the reduction of the planktonic organism in water body, while reduce particulate matter, reduce the turbidity of water body, enhance the transparency, improve water quality.
(2) present invention with the ecological purification in semiclosed property marine site with reduce inorganic nitrogen phosphorus, improve water quality, it is impossible to environment lose It is supreme principle to leak culture and its possible discarded object, lays ecological purifier, cultivates perennial large-scale economic shellfish For core, economic shellfish is imported, the marine microalgae of inorganic nitrogen phosphorus can be absorbed by ingesting, and only do subtraction, not do addition, reduce water body In marine microalgae, so as to purify water.
(3) ecological purifier of the invention is a highly effective reliable selection for semiclosed property marine site, and it has There is the features such as key elements such as efficient absorption N, P, reproducible, simple to operate, can quickly be harvested using the device of the present invention, together When, economic shellfish is confined to breeding cage, prevent to environment omit, culture to open marine site diffusion, improvement water quality, only It is good to change marine ecosystem, the effect of reduction eutrophication.
(4) present invention determines the number and arrangement lattice of specific ecological purification unit according to specific maritime environment pollution situation Office, and water layer position is located at by the length adjustment breeding cage of the number of ball float, ball float lifting rope and connection lifting rope, to meet The shellfish of screening can be positioned at certain water layer according to natural habit and be cultivated and carry out phase to ingesting for microalgae by it The purification of water layer is answered, solves the problems, such as that shellfish species is allocated with kind.
(5) present invention is laid on bottom and surrounding in breeding cage with bolting silk, selects the bolting silk cage of certain mesh to solve Permeability and semi-enclosed contradiction, permeability is the individual less phytoplankton in water body can be entered into breeding cage, and half seals The shellfish larvae that closing makes individual larger is retained in cage, avoids the individual appearance of large-scale economic shellfish and its history of life multiple links The situation of escape.
(6) present invention places sand in the breeding cage bottom of top, by qin clam, Ruditapes philippinarum, Mactra veneriformis etc. Bivalve is placed in sand, solves the problems, such as shellfish set, and the diameter of the grains of sand is less than shellfish, is advantageous to quick separating, harvesting; Thin ooze is placed in the breeding cage bottom of lower floor, the Bivalves such as blood clam, mud blood clam are placed in ooze, shellfish layering is solved and supports The problem of growing.And in the bolting silk of breeding cage bottom outer plastics fishing net covering 60-100 mesh, it can effectively prevent from cultivating base Matter spills breeding cage, is spread to marine site is opened.
Summary, structure of the invention is simple, easy to use, and ecological purification is carried out in double of closure marine site well While obtain higher economic benefit.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the ecological purifier in the semiclosed property marine site of the present invention;
Fig. 2 is Fig. 1 top view;
Reference:1st, stake;2nd, stake cable;3rd, ball float;4th, breeding cage;5th, connection cable;6th, bolting silk is sealed;7th, inclosure sieves Thin,tough silk;8th, matrix is cultivated;9th, ball float lifting rope;10th, back cover bolting silk;11st, lifting rope is connected.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes.
As shown in Figure 1-2, a kind of ecological purifier in semiclosed property marine site, is made up of several ecological purification units, By the series arrangement of connection cable 5 between the ecological purification unit, the connection cable 5 is to be formed using 3 bursts of single blending of restricting Blending rope, per share single rope is by 1:1 vinylon mixes sth. made by twisting with plastic monofilament and formed, a diameter of 4cm of the connection cable 5.Often It is 2m to arrange the distance between ecological purification unit.
The ecological purification unit includes the breeding cage 4 of several paliform being arranged in order from top to bottom, the cultivation Cage 4 is square breeding cage or cylindrical breeding cage, is attached between the breeding cage 4 by connecting lifting rope 11, the connection The length of lifting rope 11 is 0.5m.The top of the breeding cage 4 is provided with several ball floats 3, and the ball float 3 is inflation ball float, The ball float 3 is fixedly connected on the top of the breeding cage 4 positioned at top by ball float lifting rope 9.The number that the present invention passes through ball float 3 The length adjustment breeding cage 4 of mesh, ball float lifting rope 9 and connection lifting rope 11 is located at water layer position, to meet screened shellfish Cultivation and the purification of corresponding water layer.The number of the ecological purification unit, the number of general layout and the breeding cage 4, position Depending on specific maritime environment pollution situation.
Cap edge positioned at the breeding cage 4 of top is fastened in stake 1 by stake cable 2, and the bottom of the stake 1 is fixed on Seabed.The bottom of the breeding cage 4 and surrounding are equipped with plastics fishing net, and the aperture of the plastics fishing net is less than required cultivation Shellfish, so as to prevent the escape of cage shellfish.The cultivation matrix 8 for shellfish attachment is furnished with the breeding cage 4, positioned at most pushing up Cultivation matrix 8 in the breeding cage 4 at end is fine sand, and the fine sand is used to cultivate one in qin clam, Ruditapes philippinarum, Mactra veneriformis Kind is a variety of, and the diameter of the fine sand is less than qin clam, Ruditapes philippinarum or Mactra veneriformis;In the breeding cage 4 of lower floor Cultivation matrix 8 is the thin ooze for cultivating blood clam and/or mud blood clam.
The bottom of the breeding cage 4, which is equipped with, to prevent from cultivating the back cover bolting silk 10 that matrix 8 is spilt, the top of the breeding cage 4 Portion is also equipped with sealing bolting silk 6, and the surrounding of the breeding cage 4 is also equipped with inclosure bolting silk 7.The aperture of the back cover bolting silk 10 is 60-100 mesh, the aperture of the sealing bolting silk 6 is 120-160 mesh, and the aperture of the inclosure bolting silk 7 is 120-160 mesh.
A kind of ecological purifier application method in semiclosed property marine site, comprises the following steps:
(1) shellfish kind is screened according to the marine microalgae species in the semiclosed property marine site that need to be purified and water layer, gathers shellfish Seedling carries out sea area domestication;
(2) ecological purifier breeding cage 4 bottom and surrounding lay plastics fishing net, in the bottom of breeding cage 4 Carry out back cover bolting silk 10 respectively with top and seal the laying of bolting silk 6, corresponding cultivation base is distributed into according to the shellfish kind of culture Matter 8, by by step (1) domestication shellfish be put into corresponding breeding cage 4, breeding cage 4 is deployed to need to purify it is semiclosed The corresponding water layer in property marine site;
(3) environmental condition in semiclosed property marine site and the health status of shellfish are detected in time, and observe back cover bolting silk 10 With the marine alga adhesion condition in the color change and back cover bolting silk 10 of cultivation matrix 8, it is timely to detect that dead shellfish individual needs Cleaning;
(4) season is bred, in the surrounding covering inclosure bolting silk 7 of plastics fishing net, can effectively prevent the shellfish larvaes such as blood clam, clam from leaking Go out breeding cage 4, and carry out the maintenance and renewal of the seedlings such as blood clam, clam in time.
Using the ecological purifier of the present invention, cultivated by the experiments of 2 months, it can be seen from Table 1 that, experiment cultivation The dissolved oxygen content in area is greatly improved compared with compareing culture zone, and particularly suspended particulate substance reduction significantly therefore can It is higher to the degradation rate of pollutant by the ecological restoration device of the present invention to draw, water quality can be obviously improved.
Table 1 tests the Indexes Comparison result of culture zone and check plot
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (10)

1. a kind of ecological purifier in semiclosed property marine site, is made up of, the ecological purification list several ecological purification units Pass through connection cable series arrangement between member;It is characterized in that:The ecological purification unit includes several from top to bottom successively The breeding cage of the paliform of arrangement, it is attached by connecting lifting rope between the breeding cage, the top peace of the breeding cage Equipped with several ball floats, the cap edge positioned at the breeding cage of top is fastened in stake by stake cable, and the bottom of the stake is consolidated It is scheduled on seabed;The bottom of the breeding cage and surrounding are equipped with plastics fishing net, are furnished with the breeding cage for shellfish attachment Matrix is cultivated, the bottom of the breeding cage, which is equipped with, to prevent from cultivating the back cover bolting silk that matrix is spilt, and the top of the breeding cage is also It is equipped with sealing bolting silk.
2. the ecological purifier in semiclosed property marine site according to claim 1, it is characterised in that:Often arrange ecological purification list The distance between member is 2m.
3. the ecological purifier in semiclosed property marine site according to claim 1, it is characterised in that:The connection cable is The blending rope formed using 3 bursts of single blending of restricting, per share single rope is by 1:1 vinylon mixes sth. made by twisting with plastic monofilament and formed, the connection A diameter of 4cm of hawser.
4. the ecological purifier in semiclosed property marine site according to claim 1, it is characterised in that:The breeding cage is side Shape breeding cage or cylindrical breeding cage.
5. the ecological purifier in semiclosed property marine site according to claim 1, it is characterised in that:The connection lifting rope Length is 0.5m.
6. the ecological purifier in semiclosed property marine site according to claim 1, it is characterised in that:The ball float is inflation Ball float, the ball float are fixedly connected on the top of the breeding cage positioned at top by ball float lifting rope.
7. the ecological purifier in semiclosed property marine site according to claim 1, it is characterised in that:The four of the breeding cage Week is also equipped with inclosure bolting silk.
8. the ecological purifier in semiclosed property marine site according to claim 7, it is characterised in that:The plastics fishing net Aperture is less than shellfish;The aperture of the back cover bolting silk is 60-100 mesh;The aperture of the sealing bolting silk is 120-160 mesh;It is described The aperture of inclosure bolting silk is 120-160 mesh.
9. the ecological purifier in semiclosed property marine site according to claim 8, it is characterised in that:Positioned at supporting for top It is fine sand to grow the cultivation matrix in cage, and the fine sand, which is used to cultivate, to be used to cultivate one in qin clam, Ruditapes philippinarum, Mactra veneriformis Kind is a variety of, and the diameter of the fine sand is less than qin clam, Ruditapes philippinarum or Mactra veneriformis;Supporting in the breeding cage of lower floor It is the thin ooze for cultivating blood clam and/or mud blood clam to grow matrix.
10. the ecological purifier in semiclosed property marine site according to claim 9, it is characterised in that:The present invention also provides A kind of ecological purifier application method in semiclosed property marine site, comprises the following steps:
(1) shellfish kind is screened according to the marine microalgae species in the semiclosed property marine site that need to be purified and water layer, gathers shellfish seedling Carry out sea area domestication;
(2) ecological purifier breeding cage bottom and surrounding lay plastics fishing net, at the bottom of breeding cage and top Carry out back cover bolting silk respectively and seal the laying of bolting silk, corresponding cultivation matrix is distributed into according to the shellfish kind of culture, will be passed through The shellfish of step (1) domestication is put into corresponding breeding cage, and breeding cage is deployed to the corresponding of the semiclosed property marine site that need to purify In water layer;
(3) environmental condition in semiclosed property marine site and the health status of the shellfish in breeding cage are detected in time, and observe back cover Marine alga adhesion condition in the color change and back cover bolting silk of bolting silk and cultivation matrix, it is timely to detect that dead shellfish individual needs Cleaning;
(4) season is bred, inclosure bolting silk is covered in the surrounding of plastics fishing net, breeding cage is spilt to prevent shellfish larvae.
CN201710939106.1A 2017-10-10 2017-10-10 A kind of ecological purifier and application method in semiclosed property marine site Pending CN107473394A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108812292A (en) * 2018-06-08 2018-11-16 宁波大学 A kind of sargassum fusifome and oyster alternate culture device and its application method
CN109321468A (en) * 2018-12-12 2019-02-12 无棣鲁东大学海洋研究院 The method and both culturing microalgae system of cultivating microalgae in a kind of region of ocean shoal
CN113100131A (en) * 2021-05-28 2021-07-13 中国水产科学研究院东海水产研究所 In-situ growth simulation device for filter-feeding shellfish with bottom sowing under tide and use method
CN113100147A (en) * 2021-03-05 2021-07-13 山东省海洋生物研究院 Ecological shellfish culture pond and culture method thereof

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CN107047402A (en) * 2017-04-07 2017-08-18 苑春亭 A kind of shallow sea raft culture method of suitable shellfish efficient and healthful growth
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108812292A (en) * 2018-06-08 2018-11-16 宁波大学 A kind of sargassum fusifome and oyster alternate culture device and its application method
CN108812292B (en) * 2018-06-08 2023-12-29 宁波大学 Sargassum fusiforme and oyster cultivation device and application method thereof
CN109321468A (en) * 2018-12-12 2019-02-12 无棣鲁东大学海洋研究院 The method and both culturing microalgae system of cultivating microalgae in a kind of region of ocean shoal
CN113100147A (en) * 2021-03-05 2021-07-13 山东省海洋生物研究院 Ecological shellfish culture pond and culture method thereof
CN113100147B (en) * 2021-03-05 2022-12-13 山东省海洋科学研究院(青岛国家海洋科学研究中心) Ecological shellfish culture pond and culture method thereof
CN113100131A (en) * 2021-05-28 2021-07-13 中国水产科学研究院东海水产研究所 In-situ growth simulation device for filter-feeding shellfish with bottom sowing under tide and use method

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