CN103053449A - 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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- CN103053449A CN103053449A CN2012105632244A CN201210563224A CN103053449A CN 103053449 A CN103053449 A CN 103053449A CN 2012105632244 A CN2012105632244 A CN 2012105632244A CN 201210563224 A CN201210563224 A CN 201210563224A CN 103053449 A CN103053449 A CN 103053449A
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- 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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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
The marine facility cultivation has been made significant contribution for China's sea fishery economic development.Current, seining cultivation, raft culture and cage culture are that of paramount importance several means are developed in sea farming, 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, the 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, its significant characteristic and advantage is arranged: the one,, the extensive seining cultivation area in shallow sea is wide, effectively the 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, the horizontal anomalous movement space can reach hundreds of rice even upper 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, the attack of hiding high current, billow, improve the cultivation survival rate, and the quality of cultivation object is nearer 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, the seining cultivation engineering has distinctive care action, and open-celled structure can allow young postlarva pass freely through etting, obtains to protect in the purse seine zone.Simultaneously, the tiny residual bait that forms in the process of throwing something and feeding also can by the consumption of wild young postlarva class, be conducive to protect the mariculture area ecotope.
Present seining cultivation device is as long as be made 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 in sandbag in the bottom.In the process of cultivation, can adhere in the vertical rod and much be with hard-shelled marine organisms, when stormy waves and tidal range are arranged, purse seine along with seawater rise and fall with vertical rod on the duricrust marine organisms rub mutually, and the degree of depth of purse seine, can occur relaxing when low tide take high tide level as design standard because considering tidal range, the damage of purse seine is caused in the capital, causes cultivating object and escapes from purse seine.And the damaged location major part of purse seine concentrates on and is difficult under water discover, so that the application of above-mentioned this cultivator is limited by very large.
Summary of the invention
Technical problem to be solved by this invention provides 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 the technical scheme that adopts: 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 the bank structure, the two ends of described main float tube are connected respectively to connect the bank structure and can relatively describedly connect the bank structure and vertically 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 the 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.
Fix by connector between two described main float tubes, be provided with handrail tube above described main float tube, the part that is positioned on the water surface of purse seine can be suspended on the handrail tube thus.
Preferably, described connector is support or three-way piece.
Described connect the bank structure comprise with seashore fixing connect the bank main structure body by what concrete was made, the described bank main structure body forward position minimum point that connects is positioned at below the low tide, the described bank main structure body that connects is provided with the longitudinally chute that is set up in parallel, place floating drum in the described chute, described floating drum is connected with the main float tube of respective side by the rigid connecting joint, when seawater rose and fell, main float tube rose and fell thereupon, drove floating drum and did mobile longitudinally in chute.
Along continuous straight runs is respectively arranged with chain and ball float string on the described purse seine, thereby thereby can avoid purse seine to pile up winding when different tidal level 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 are guaranteed that imperial shape sandbag is gone up evenly along its length to distribute.
Compared with prior art, the invention has the advantages that: adopt under HDPE master's float tube the fixedly mode of purse seine, guaranteed the requirement of strength of purse seine buoyancy system; After adopting double main float tube can be convenient to seashore construction, purse seine and the bondage of imperial shape sandbag on buoyancy system, are realized the integral body haul of purse seine system, for the installation of purse seine system provides a kind of innovation scheme; Connect in the 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 fish and escape; Dragon shape sandbag can guarantee the close contact in purse seine and seabed; Add chain and ball float string in the purse seine, can avoid purse seine under different tidal level, wrapping phenomena to occur.
Description of drawings
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
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
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.By connector 12, weld and be fixed such as support (can use the support of deep water mesh cage) or three-way piece between two main float tubes 11.Be provided with handrail tube 13 above main float tube 11, preferred, available diameter is that the HDPE pipeline welding of 110mm forms.
Netting system 2 comprises purse seine 21, fixes with main float tube 11, can adopt polyethylene (PE) net or polyamide (PA) net, is higher than the purse seine 21 of water surface part, can be suspended on the handrail tube 13, escapes to prevent that fish from jumping.Because there is tidal range in the sea area, cause SEA LEVEL VARIATION, so the degree of depth of purse seine 21 should consider tidal range, namely take high-tide level as design standard.For the PA net, therefore its density can occur relaxing when low tide greater than the density of water.For the PE net, although the PE reticular density is lighter than water, in the breeding process of sea area, after generation is adhered to, still might occur sinking.Therefore, for after avoiding purse seine 21 lax the end twine, referring to Fig. 4, along continuous straight runs is provided with chain 22 and ball float string 23 on purse seine 21, 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, namely the strip sandbag is filled sand in the sandbag, the likeness in form long queue, therefore named it, be arranged at the bottom of netting system 2, be used 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 go up evenly distribution along its length.
Anchoring system 4 is used for netting system 2 is fixed in the appointment marine site, 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 the lower end is fixed by piled anchor 43 and seabed.Near being connected with component ball float 42 with main float tube 11 junctions, be connected with balancing weight 44 near piled anchor 43 places on the Bower Anchor rope 44 on the Bower Anchor rope 44, component ball float 42 and balancing weight 44 are used for guaranteeing that Bower Anchor rope 41 still keeps tensioning state when different tidal level.For guaranteeing that anchor is effect, avoid buoyancy system larger horizontal drift to occur, the mean inclination that anchoring system 4 is arranged is generally about 1:3.Piled anchor 43 also can adopt anchor block, anchor etc., decides on the sediment situation.
The two ends of main float tube 11 are respectively equipped with and connect bank structure 5, connect bank structure 5 and comprise by what concrete was made and connect bank main structure body 51, fix with seashore, and its forward position one side of seashore (namely away from) minimum point is positioned at below the low tide.Connect bank main structure body 51 and be provided with the longitudinally chute 52 that is set up in parallel, chute 52 interior placement floating drums 53 can change up and down along with tidal level.Floating drum 53 is connected with rigid connecting joint 54, is connected to the main float tube 11 of respective side by rigid connecting joint 54 again.Both guaranteed the location of main float tube 11, and main float tube 11 had been done mobile longitudinally when seawater rises and falls by floating drum 53, referring to Fig. 4-Fig. 6, the main float tube 11 shown in Fig. 4 wherein, the top be high tide level the time, the below be low tide the time.
The above is preferred embodiment of the present invention only, should be pointed out that for the ordinary skill in the art, not breaking away under the principle prerequisite of the present invention, can also make various deformation and improvement, and this also should be considered as protection scope of the present invention.
Claims (7)
1. 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) are connected respectively to connect bank structure (5) and can relatively describedly 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, and is fixing by connector (12) between two described main float tubes (11), is provided with handrail tube (13) in described main float tube (11) top.
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 connect bank main structure body (51) by what concrete was made, described bank main structure body (51) the forward position minimum point that connects is positioned at below the low tide, the described bank main structure body (51) that connects is provided with the longitudinally chute (52) that is set up in parallel, place floating drum (53) in the described chute (52), described floating drum (53) is connected with the main float tube (11) of respective 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. such as each described shallow sea large scale ecological seining cultivation device among the claim 1-6, it is characterized in that described imperial shape sandbag (3) serve as reasons the coarse granule sand that geotechnological nonwoven wraps up and segmented seal.
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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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| CN201210563224.4A CN103053449B (en) | 2012-12-21 | 2012-12-21 | Large-scale ecological purse seine breeding device in shallow sea |
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Cited By (20)
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| CN103329845A (en) * | 2013-08-07 | 2013-10-02 | 贵州金大地生物技术有限公司 | High-density industrial giant spiny frog culture device |
| CN103461228A (en) * | 2013-08-05 | 2013-12-25 | 中国水产科学研究院东海水产研究所 | Large-sized composite net enclosure |
| CN103598126A (en) * | 2013-11-25 | 2014-02-26 | 中国水产科学研究院东海水产研究所 | Method for assembling aquaculture net between shores |
| CN103598127A (en) * | 2013-11-25 | 2014-02-26 | 中国水产科学研究院东海水产研究所 | Method of fitting large fishing tackle net between two shores |
| CN103598128A (en) * | 2013-11-25 | 2014-02-26 | 中国水产科学研究院东海水产研究所 | Soft connecting method for coasts and large-scale aquaculture netting |
| CN103609494A (en) * | 2013-11-25 | 2014-03-05 | 中国水产科学研究院东海水产研究所 | Connection method for seashore and netting gear net |
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| CN106577429A (en) * | 2016-12-15 | 2017-04-26 | 浙江海洋大学 | Horizontal suspended-cable large-scale shallow sea purse net |
| CN106614200A (en) * | 2016-12-14 | 2017-05-10 | 浙江海洋大学 | Support rod type purse seine aquaculture engineering shore connecting technique |
| CN106614112A (en) * | 2016-12-15 | 2017-05-10 | 浙江海洋大学 | Double-column trough type barrier net aquaculture engineering bank connecting technology |
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| CN106719217A (en) * | 2016-12-30 | 2017-05-31 | 浙江海洋大学 | The stake extensive shallow sea seining cultivation device of net separate type |
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| CN106889001A (en) * | 2016-12-30 | 2017-06-27 | 浙江海洋大学 | Flexible suspension formula shallow sea seining cultivation device |
| CN106982769A (en) * | 2016-12-30 | 2017-07-28 | 浙江海洋大学 | A kind of pair of pile type shallow sea seining cultivation engineering connects bank technology |
| CN107821268A (en) * | 2017-11-16 | 2018-03-23 | 浙江海洋大学 | A kind of pile-column anchor line fixes shallow sea cultivating large area purse seine |
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| CN106442914A (en) * | 2016-10-20 | 2017-02-22 | 姜海 | Internet-based gas supersaturation biological monitoring device |
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