CN103053449B - Large-scale ecological purse seine breeding device in shallow sea - Google Patents
Large-scale ecological purse seine breeding device in shallow sea Download PDFInfo
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- CN103053449B CN103053449B CN201210563224.4A CN201210563224A CN103053449B CN 103053449 B CN103053449 B CN 103053449B CN 201210563224 A CN201210563224 A CN 201210563224A CN 103053449 B CN103053449 B CN 103053449B
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- purse seine
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- 238000009395 breeding Methods 0.000 title abstract description 5
- 230000001488 breeding effect Effects 0.000 title abstract description 5
- 238000007667 floating Methods 0.000 claims abstract description 15
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 241000251468 Actinopterygii Species 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 229920001903 high density polyethylene Polymers 0.000 abstract 2
- 239000004700 high-density polyethylene Substances 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000009318 large scale farming Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a large-scale ecological purse seine breeding device in shallow sea. The large-scale ecological purse seine breeding device in the shallow sea comprises a buoyancy system, a netting system, a dragon-shaped sandbag and an anchoring system, wherein the buoyancy system comprises double-row main floating pipes which are arranged in a parallel mode at intervals and a shore connecting structure which is fixedly arranged on the shore; two ends of the main floating pipes are respectively connected to the shore connecting structure and can longitudinally move up and down relative to the shore connecting structure; the netting system comprises a purse seine and the upper end of the purse seine is fixedly connected with the main floating pipes; the dragon-shaped sandbag is arranged at the bottom of the netting system; the anchoring system comprises a main anchor rope, the upper end of the main anchor rope is connected to the main floating pipes, and the lower end of the main anchor rope is fixedly arranged at the bottom of the sea through a piled anchor or an anchor block. The large-scale ecological purse seine breeding device in the shallow sea has the advantages of meeting the strength requirement of the buoyancy system of the purse seine by utilizing a mode of fixing the purse seine under the HDPE (high-density polyethylene) main floating pipes; ensuring a purse seine system to be always connected closely with a coastal connecting section and avoiding escape of the fish due to the fact that a buoy which is arranged in the shore connecting structure changes along with water levels; and being capable of avoiding the purse seine winding under different tide levels by arranging a chain and a floating ball string in the purse seine.
Description
Technical field
The present invention relates to a kind of fish-farming in shallow marine water device, especially a kind of shallow sea large scale ecological seining cultivation device.
Background technology
Marine facility cultivation has been made significant contribution for China's sea fishery economic development.Current, seining cultivation, raft culture and cage culture are the of paramount importance several means of sea farming exploitation, wherein the extensive seining cultivation in shallow sea is that traditional offshore beach seining cultivation is to the expansion of off-lying sea deep water sea area, but structurally there were significant differences with traditional offshore beach purse seine engineering, generally can rely on island, outside, carrying out one or more surfaces and enclose and block, is one of important form of following marine facility cultivation.
The extensive seining cultivation in shallow sea is compared with other aquaculture models such as deep-water net cage cultures, there is its significant characteristic and advantage: the one,, the extensive seining cultivation area in shallow sea is wide, effectively cultivation volume is large, can be up to tens sides, be equivalent to hundreds of deep water mesh cages, no matter overall cost or unit volume construction costs all will be far below deep water mesh cages; The 2nd,, the cultivation object activity space of the extensive seining cultivation in shallow sea is large, horizontal anomalous movement space can reach hundreds of rice and even go up km, the vertical activity space bottom of can going directly, and can in water-bed hermatolith district, perch, look for food, freely select suitable living environment, hide the attack of high current, billow, improve cultivation survival rate, and the quality of cultivation object is more closely natural, ecological; The 3rd,, the etting of seining cultivation engineering is open-celled structure, the inside and outside water body of culturing area can free exchange, belongs to typical open cultivation pattern.What is more important, seining cultivation engineering has distinctive care action, and open-celled structure can allow young postlarva pass freely through etting, in purse seine region, obtains and protects.Meanwhile, the tiny residual bait forming in the process of throwing something and feeding also can be consumed by wild young postlarva class, is conducive to protect mariculture area ecotope.
Current seining cultivation device is as long as consist of some vertical rods, purse seine and sandbag etc., and vertical rod plays a supportive role, and purse seine is tied up in vertical rod, is in contact with one another between the two, and the bottom is fixed on sandbag in bottom.In the process of cultivation, in vertical rod, can adhere to and much be with hard-shelled marine organisms, when having stormy waves and tidal range, purse seine is along with seawater fluctuating and the duricrust marine organisms in vertical rod rub mutually, and the degree of depth of purse seine, because considering tidal range, be take high tide level as design standard, there will be lax when low tide, the damage of purse seine is caused in capital, causes cultivating object and escapes from purse seine.And the damaged location major part of purse seine concentrates on and be difficult to discover, the application of above-mentioned this cultivator is limited by very large under water.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of purse seine of effectively avoiding and damages, and is suitable for the shallow sea large scale ecological seining cultivation device of large-scale farming.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of shallow sea large scale ecological seining cultivation device, comprise buoyancy system, netting system, imperial shape sandbag and anchoring system, described buoyancy system comprises the double main float tube that parallel interval arranges, it is characterized in that, also comprise with seashore fixing connect bank structure, the two ends of described main float tube be connected respectively to connect bank structure and can be relatively described in connect bank structure and longitudinally move up and down; Described netting system comprises purse seine, and the upper end of described purse seine and described main float tube are connected and fixed; Described imperial shape sandbag is arranged at the bottom of described netting system; Described anchoring system comprises Bower Anchor rope, and the upper end of described Bower Anchor rope is connected to described main float tube, and the lower end of described Bower Anchor rope is fixed by piled anchor or anchor block and seabed.
Between two described main float tubes, by connector, fix, above described main float tube, be provided with handrail tube, the part that purse seine is positioned on the water surface thus can be suspended on handrail tube.
Preferably, described connector is support or three-way piece.
Described connect bank structure comprise with seashore fixing by concrete, made connect bank main structure body, the described bank main structure body forward position minimum point that connects is positioned at below low tide, the described bank main structure body that connects is provided with the chute being longitudinally set up in parallel, in described chute, place floating drum, described floating drum is connected with the main float tube of corresponding side by rigid connecting joint, when seawater rises and falls, main float tube rises and falls thereupon, drives floating drum to move longitudinally in chute.
On described purse seine, along continuous straight runs is respectively arranged with chain and ball float string, thereby thereby can avoid purse seine when different tidal level, to pile up winding damages purse seine.
The bottom of described purse seine and described imperial shape sandbag junction are provided with and reinforce section, adopt three-layer network to reinforce, and improve bonding strength, avoid possible wear-out failure.
The described imperial shape sandbag coarse granule sand that geotechnological nonwoven wraps up of serving as reasons, and segmented seal, guarantee that imperial shape sandbag is uniformly distributed along its length.
Compared with prior art, the invention has the advantages that: adopt under the main float tube of HDPE the fixedly mode of purse seine, guaranteed the requirement of strength of purse seine buoyancy system; Adopt double main float tube can be convenient to after seashore construction, purse seine and the bondage of imperial shape sandbag, in buoyancy system, are realized to the integral body haul of purse seine system, for the installation of purse seine system provides a kind of innovation scheme; Connect in bank structure and establish floating drum, with fluctuation of water table, guaranteed that purse seine system and seashore linkage section combine closely all the time, avoid occurring that fish escape; Dragon shape sandbag can guarantee the close contact in purse seine and seabed; In purse seine, add chain and ball float string, can avoid purse seine to occur wrapping phenomena under different tidal level.
Accompanying drawing explanation
Fig. 1 is the floor map of cultivator of the present invention;
Fig. 2 is the end view of cultivator of the present invention when high tide level;
Fig. 3 is the end view of cultivator of the present invention when low tide;
Fig. 4 is the local enlarged side view that connect bank part of cultivator of the present invention when different tidal level;
Fig. 5 be cultivator of the present invention connect bank structure partial amplification plan view.
Fig. 6 is that the bank structure partial that connects of cultivator of the present invention amplifies front view.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Referring to Fig. 1-Fig. 3, a kind of shallow sea large scale ecological seining cultivation device, comprises buoyancy system 1, netting system 2, imperial shape sandbag 3, anchoring system 4 and connect bank structure 5.
Buoyancy system 1, comprise the double main float tube 11 that parallel interval arranges, preferably, main float tube 11 cross sections are triangle, high density polyvinyl fluoride (HDPE) pipeline welding of available diameter 250mm forms, HDPE has good water proofing property, cold-resistant warm tolerance, and mechanical strength is good, is applicable to the briny environment in shallow sea.Between two main float tubes 11 by connector 12, as support (can use the support of deep water mesh cage) or three-way piece welding and be fixed.Above main float tube 11, be provided with handrail tube 13, preferred, the HDPE pipeline welding that available diameter is 110mm forms.
Netting system 2, comprises purse seine 21, fixing with main float tube 11, can adopt polyethylene (PE) net or polyamide (PA) net, and the purse seine 21 higher than water surface part, can be suspended on handrail tube 13, to prevent that fish from jumping, escapes from.Because sea area exists tidal range, cause SEA LEVEL VARIATION, so the degree of depth of purse seine 21 should consider tidal range, take high-tide level as design standard.For PA net, its density is greater than the density of water, therefore when low tide, there will be lax.For PE net, although PE reticular density is lighter than water, in the breeding process of sea area, after generation is adhered to, still likely occur sinking.Therefore, for after avoiding purse seine 21 lax the end be wound around, referring to Fig. 4, on purse seine 21, along continuous straight runs is provided with chain 22 and ball float string 23, the available buoyancy that the unit length of ball float string 23 provides should be much smaller than the unit weight of imperial shape sandbag 3, but is greater than the unit weight of chain 22.In bottom and imperial shape sandbag 3 junctions of purse seine 21, be provided with and reinforce section 24, adopt three-layer network to reinforce, improve bonding strength.
Dragon shape sandbag 3, strip sandbag, fills sand in sandbag, likeness in form long queue, therefore named it, be arranged at the bottom of netting system 2, for guaranteeing combining closely of netting system 2 and seabed, prevent that fish from escaping from.The coarse granule sand that dragon shape sandbag 3 can adopt geotechnological nonwoven to wrap up, and segmented seal, guarantee that imperial shape sandbag 3 is uniformly distributed along its length.
Anchoring system 4, specifies marine site for netting system 2 is fixed on, and avoids netting system 2 to drift about under wave flow action.Anchoring system 4 comprises Bower Anchor rope 41, component ball float 42, piled anchor 43 and balancing weight 44.The upper end of Bower Anchor rope 41 is connected to main float tube 11, and lower end is fixed by piled anchor 43 and seabed.On Bower Anchor rope 41, near being connected with component ball float 42 with main float tube 11 junctions, on Bower Anchor rope 41, near piled anchor 43 places, be connected with balancing weight 44, component ball float 42 and balancing weight 44 are for guaranteeing that when the different tidal level, Bower Anchor rope 41 still keeps tensioning state.For guaranteeing that anchor is effect, avoid buoyancy system to occur larger horizontal drift, the mean inclination that anchoring system 4 is arranged is generally in 1:3 left and right.Piled anchor 43 also can adopt anchor block, anchor etc., depending on sediment situation.
The two ends of main float tube 11 are respectively equipped with and connect bank structure 5, connect bank structure 5 comprise by concrete, made connect bank main structure body 51, fix with seashore, its forward position one side of seashore (away from) minimum point is positioned at below low tide.Connect bank main structure body 51 and be provided with the chute longitudinally 52 being set up in parallel, the interior placement floating drum 53 of chute 52, can change up and down along with tidal level.Floating drum 53 is connected with rigid connecting joint 54, then by rigid connecting joint 54, is connected to the main float tube 11 of corresponding side.Both guaranteed the location of main float tube 11, and can make again main float tube 11 by floating drum 53, move longitudinally when seawater rises and falls, referring to Fig. 4-Fig. 6, the main float tube 11 shown in Fig. 4 wherein, top be high tide level time, below be low tide time.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the ordinary skill in the art, not departing under principle prerequisite of the present invention, can also make various deformation and improvement, this also should be considered as protection scope of the present invention.
Claims (7)
1. a shallow sea large scale ecological seining cultivation device, comprise buoyancy system (1), netting system (2), imperial shape sandbag (3) and anchoring system (4), described buoyancy system (1) comprises the double main float tube (11) that parallel interval arranges, it is characterized in that, also comprise with seashore fixing connect bank structure (5), the two ends of described main float tube (11) be connected respectively to connect bank structure (5) and can be relatively described in connect bank structure (5) and vertically move; Described netting system (2) comprises purse seine (21), and the upper end of described purse seine (21) and described main float tube (11) are connected and fixed; Described imperial shape sandbag (3) is arranged at the bottom of described netting system (2); Described anchoring system (4) comprises Bower Anchor rope (41), and the upper end of described Bower Anchor rope (41) is connected to described main float tube (11), and the lower end of described Bower Anchor rope (41) is fixed by piled anchor (43) or anchor block and seabed.
2. shallow sea as claimed in claim 1 large scale ecological seining cultivation device, is characterized in that, fixing by connector (12) between two described main float tubes (11), in described main float tube (11) top, is provided with handrail tube (13).
3. shallow sea as claimed in claim 2 large scale ecological seining cultivation device, is characterized in that, described connector (12) is support or three-way piece.
4. shallow sea as claimed in claim 1 large scale ecological seining cultivation device, it is characterized in that, described connect bank structure (5) comprise with seashore fixing by concrete, made connect bank main structure body (51), described bank main structure body (51) the forward position minimum point that connects is positioned at below low tide, the described bank main structure body (51) that connects is provided with the chute longitudinally (52) being set up in parallel, in described chute (52), place floating drum (53), described floating drum (53) is connected with the main float tube (11) of corresponding side by rigid connecting joint (54).
5. shallow sea as claimed in claim 1 large scale ecological seining cultivation device, is characterized in that, the upper along continuous straight runs of described purse seine (21) is respectively arranged with chain (22) and ball float string (23).
6. shallow sea as claimed in claim 5 large scale ecological seining cultivation device, is characterized in that, the bottom of described purse seine (21) and described imperial shape sandbag (3) junction are provided with and reinforce section (24).
7. the shallow sea large scale ecological seining cultivation device as described in any one in claim 1-6, is characterized in that, described imperial shape sandbag (3) serve as reasons the coarse granule sand that geotechnological nonwoven wraps up segmented seal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210563224.4A CN103053449B (en) | 2012-12-21 | 2012-12-21 | Large-scale ecological purse seine breeding device in shallow sea |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210563224.4A CN103053449B (en) | 2012-12-21 | 2012-12-21 | Large-scale ecological purse seine breeding device in shallow sea |
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| CN103053449A CN103053449A (en) | 2013-04-24 |
| CN103053449B true CN103053449B (en) | 2014-10-29 |
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| CN201210563224.4A Expired - Fee Related CN103053449B (en) | 2012-12-21 | 2012-12-21 | Large-scale ecological purse seine breeding device in shallow sea |
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