CN108124800A - Oyster floatable hangs raft cultural method - Google Patents

Oyster floatable hangs raft cultural method Download PDF

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Publication number
CN108124800A
CN108124800A CN201711445524.1A CN201711445524A CN108124800A CN 108124800 A CN108124800 A CN 108124800A CN 201711445524 A CN201711445524 A CN 201711445524A CN 108124800 A CN108124800 A CN 108124800A
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CN
China
Prior art keywords
buoyant raft
raft
oyster
buoyant
loop bar
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CN201711445524.1A
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Chinese (zh)
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CN108124800B (en
Inventor
上官云山
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广西正五海洋产业股份有限公司
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Priority to CN201711445524.1A priority Critical patent/CN108124800B/en
Priority claimed from CN201711445524.1A external-priority patent/CN108124800B/en
Publication of CN108124800A publication Critical patent/CN108124800A/en
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Publication of CN108124800B publication Critical patent/CN108124800B/en

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/50Culture of aquatic animals of shellfish
    • A01K61/54Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/70Artificial fishing banks or reefs
    • A01K61/75Artificial fishing banks or reefs floating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses oyster floatables to hang raft cultural method, belongs to cultural technique field, including:Build buoyant raft;Hang raft cultivation;Monthly sampling Detection buoyant raft gain in weight after supporting is thrown, after detecting buoyant raft gain in weight every time, increases float quantity;It it is 2.2~2.4 meters by buoyant raft submergence depth at 29.8~34.9 DEG C;It it is 3.3~3.5 meters by buoyant raft submergence depth at 35~39.9 DEG C;It it is 4.4~4.6 meters by buoyant raft submergence depth during higher than 40 DEG C;It is 2.4~2.6m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;It is 4.5~4.7m by buoyant raft submergence depth when maximum wind velocity reaches 14~15 grades;It is 5.4~5.6m by buoyant raft submergence depth during maximum wind velocity >=16 grade.The present invention can evade the direct impact of intense light irradiation, high heat wave and stormy waves, and effective protection buoyant raft and oyster improve the survival rate of oyster, achieve preferable economic benefit.

Description

Oyster floatable hangs raft cultural method
Technical field
The present invention relates to cultural technique fields.It is more particularly related to oyster floatable hangs raft cultural method.
Background technology
Crassostrea rivularis artificial breeding has more than 300 years history in China, and initial stage cultural method mainly has beach (in coastal waters) Lapidation block, tile, ceramics, glue tire adopt foster, and the later stage adopt in a manner of bamboo and wood, cement products etc. foster to insert, and yield obtains very It is big to be promoted.In recent years, it is influenced by coastal industry, agriculture blowdown etc., greater coasting area substrate pollution is serious, and bottom area inserts foster oyster disease It largely breaks out, suffers heavy losses, insert foster technology and gradually suffer exit.
Present oyster culture is developed to using buoyant raft in deep water hanging culture, and due to the improvement of breeding environment, disease obtains effectively Control, also, culture-cycle shortening, cost reduction improve culture efficiency.
Although suspended longline farming makes pest and disease damage obtain certain control, still, during oyster culture, breeding facility is swum in On sea, when high temperature season comes, intense light irradiation, heat-flash wave directly affect the growth of oyster, easily cause the death of oyster.2016 Year megathermal climate, the coastal sea surface temperature in the South Sea continue 30 degree or more, and the oyster for causing more than 90% suspended longline farming is dead.Work as typhoon When coming, strong wind, strong wave, which are directly formed buoyant raft, to be impacted, and is easily wrecked.Wei Maxun typhoons in 2014, maximum wind velocity reach To 17 grades, the coastal buoyant raft in the South Sea, net cage have almost damaged, and the economic loss brought is immeasurable.
Invention content
The object of the present invention is to provide oyster floatables to hang raft cultural method so that buoyant raft can float as needed and under It is heavy, evade the direct impact of intense light irradiation, high heat wave and stormy waves, effective protection buoyant raft and oyster, obtain preferable economic benefit.
In order to realize these purposes and other advantages according to the present invention, provide oyster floatable and hang raft cultural method, Including:
A, buoyant raft is built, and at least one float is set on buoyant raft, the buoyancy of all floats is made to be more than the gravity of buoyant raft;
B, raft cultivation is hung;
C, 1~6 month after supporting is thrown, monthly sampling Detection buoyant raft gain in weight 1 time;7~12 months after supporting are thrown, are monthly taken out Sample detection buoyant raft gain in weight 2 times;Throw 13~24 months after supporting, monthly sampling Detection buoyant raft gain in weight 3 times;Throw support after 25~ 36 months, monthly sampling Detection buoyant raft gain in weight 4 times;Every time after detection buoyant raft gain in weight, increase float quantity, make all floats Buoyancy be more than buoyant raft gravity;
D, it is 2.2~2.4 meters by buoyant raft submergence depth when temperature reaches 29.8~34.9 DEG C;When temperature reaches 35~ It it is 3.3~3.5 meters by buoyant raft submergence depth at 39.9 DEG C;It is 4.4~4.6 by buoyant raft submergence depth when temperature is higher than 40 DEG C Rice;
E, it is 2.4~2.6m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;When maximum wind velocity reaches 14 It is 4.5~4.7m by buoyant raft submergence depth at~15 grades;When maximum wind velocity >=16 grade, by buoyant raft submergence depth for 5.4~ 5.6m。
Preferably, the oyster floatable is hung in raft cultural method, when temperature reaches 30~34.9 DEG C, by buoyant raft Submergence depth is 2.3 meters;It it is 3.4 meters by buoyant raft submergence depth when temperature reaches 35~39 DEG C;When temperature is higher than 40 DEG C, It it is 4.5 meters by buoyant raft submergence depth;It is 2.5m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;When most strong wind It is 4.6m by buoyant raft submergence depth when speed reaches 14~15 grades;When maximum wind velocity >=16 grade, it is by buoyant raft submergence depth 5.5m。
Preferably, the oyster floatable is hung in raft cultural method, and the buoyant raft includes:
Buoyant raft ontology is grid;
More offspring ropes are disposed on the bottom of the buoyant raft ontology, are installed on buoyant raft ontology at the top of seedling rope, bottom Portion is provided with heavy pendant.
Preferably, the oyster floatable is hung in raft cultural method, and more offspring ropes are made of multiple row seedling rope, more Row seedling rope is arranged at intervals along the longitudinal direction, and a row seedling rope is arranged at intervals in transverse direction, a row seedling rope one strip of correspondence Heavy pendant, heavy pendant are set in transverse direction, and the bottom of each offspring rope in a row seedling rope is installed on corresponding heavy pendant;
The buoyant raft further includes:
Multipair montant, heavy corresponding a pair of of a montant of pendant, the top of a pair of of montant are fixedly connected respectively with buoyant raft ontology, bottom Both ends of the portion respectively with corresponding heavy pendant are fixedly connected, and the montant is telescopic rod;
More drawstrings, montant correspond to a drawstring, and one end of drawstring is passed through after montant and corresponding heavy pendant is consolidated Fixed connection, the other end of drawstring is located at the outside of montant, and is fixed on buoyant raft ontology.
Preferably, the oyster floatable is hung in raft cultural method, and the montant by setting gradually from top to bottom More piece loop bar forms, and the loop bar being located above is set on loop bar that is adjacent thereto and being disposed below, and the loop bar is inside Hollow cylindrical, it is each to save loop bar coaxial arrangement, and equal length, the top of a loop bar and the loop bar for being set in its outside Top between be respectively arranged with two connecting ropes, two connecting ropes are set relative to the axisymmetrical of loop bar, the top of connecting rope Portion is fixedly connected with bottom at the top of two corresponding loop bars respectively, and the length of connecting rope is less than or equal to and its top Distance between the top and bottom of connected loop bar, in addition to the loop bar positioned at bottom, the center of the bottom of other loop bars is all provided with It puts there are one circular through-hole, underlying loop bar is placed through the through-hole on the loop bar above it, and underlying set The outer diameter of bar is equal with the diameter of the through-hole on the loop bar being positioned above.
Preferably, the oyster floatable is hung in raft cultural method, and the length of the connecting rope is less than and its top Distance between the top and bottom of connected loop bar.
Preferably, the oyster floatable is hung in raft cultural method, and the buoyant raft further includes:
More cross bars, it is equal with the quantity of heavy pendant, and correspond, cross bar is parallel with heavy pendant, and positioned at corresponding Heavy pendant surface, the top of each offspring rope corresponding with heavy pendant and drawstring is wrapped on corresponding cross bar, cross bar It is removably attached on buoyant raft ontology.
The present invention includes at least following advantageous effect:
The present invention is by lifting two drawstrings on a pair of of montant, you can lifts the oyster on a row seedling rope, one row of observation The growth conditions of oyster on seedling rope are weighed.It is higher or when wind-force is larger in temperature, it can be simultaneously to two drawstrings of decentralization With a row seedling rope, the oyster on a row seedling rope is made to sink to respective depth, the gravitation of traction anchor can also be used, slowly tightening traction Rope, respective depth is sunk to by buoyant raft.
The present invention can make buoyant raft float and sink as needed, evade the direct impact of intense light irradiation, high heat wave and stormy waves, Effective protection buoyant raft and oyster, improve the survival rate of oyster, achieve preferable economic benefit.
The present invention gradually increases float quantity in the growth course of oyster, but is increased without too much, making increased floating Son can balance the gain in weight of oyster within a certain period of time, and 1-3 people station can be made, without sinking, both to can guarantee in this way on buoyant raft Buoyant raft floats, and buoyant raft can be made to sink under the effect of smaller external force when buoyant raft sinks, thus can save a large amount of people Power.If starting just to set many floats, the buoyancy of float can be very big, when can cause the buoyant raft to sink, needs very big external force ability Make its sinking.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structure diagram of buoyant raft according to an embodiment of the invention;
Fig. 2 is the structure diagram of row seedling rope according to an embodiment of the invention, drawstring and guide rope;
Fig. 3 is the structure diagram according to an embodiment of the invention for being located at two intermediate loop bars.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, to enable those skilled in the art's reference Specification word can be implemented according to this.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes The orientation or position relationship shown is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit of the invention System.
Embodiment 1
Oyster floatable hangs raft cultural method, including:
A, using buoyant material, such as China fir, squarely buoyant raft is worked out, and this at least one poly- second is set on buoyant raft Alkene float 170 makes the buoyancy of all floats 170 be more than the gravity of buoyant raft, after buoyant raft is placed on sea, because float 170 generates Buoyancy be more than the gravity of buoyant raft, buoyant raft can be made to be ultimately at floating state, buoyant raft is fixed to (fixed form is existing later Have any one of technology, such as be fixed by drawing anchor), make its can not float or make its can only small range float;
B, raft cultivation is hung, hanging culture mode is any one of the prior art;
C, 1~6 month after supporting is thrown, monthly sampling Detection buoyant raft gain in weight 1 time;7~12 months after supporting are thrown, are monthly taken out Sample detection buoyant raft gain in weight 2 times;Throw 13~24 months after supporting, monthly sampling Detection buoyant raft gain in weight 3 times;Throw support after 25~ 36 months, monthly sampling Detection buoyant raft gain in weight 4 times;Every time after detection buoyant raft gain in weight, increase by 170 quantity of float, make to own Buoyancy caused by float 170 is more than the gravity of buoyant raft;Every time after detection buoyant raft gain in weight, increase by 170 quantity of float, make to own The buoyancy of float 170 is more than the gravity of buoyant raft, and before next time is detected, and buoyant raft is made to be constantly in floating state, such as increases floating After son, can just be balanced or the gain in weight before oyster detects in next time be suitably larger than, and 2 people is enable to stand on buoyant raft without under It is heavy;The growing state of periodic detection oyster mainly monitors the speed of growth of oyster, measures oyster gain in weight, and correspondingly increase Add 170 quantity of float, buoyant raft is made to keep original balance, after oyster is avoided to increase weight, buoyant raft sinks.
D, monitored according to Local Weather Report and automatic control, calculate different temperature grades formed water temperature to the harm of oyster and Suitable highest water temperature layer adjusts buoyant raft submergence depth.When temperature reaches 29.8~34.9 DEG C (extremely hot), buoyant raft is sunk deep Spend is 2.2 meters;It it is 3.3 meters by buoyant raft submergence depth when temperature reaches 35~39.9 DEG C (strange heat);When temperature is higher than 40 DEG C It it is 4.4 meters by buoyant raft submergence depth when (very hot);
E, it is 2.4m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;When maximum wind velocity reaches 14~15 It is 4.5m by buoyant raft submergence depth during grade;It is 5.4m by buoyant raft submergence depth when maximum wind velocity >=16 grade.
The oyster floatable that this programme provides hangs raft cultural method, and buoyant raft can be made to float and sink as needed, evaded The direct impact of intense light irradiation, high heat wave and stormy waves, effective protection buoyant raft and oyster, improves the survival rate of oyster, achieves Preferable economic benefit.During sinking, using the gravitation for drawing anchor, traction rope is slowly tightened, buoyant raft is sunk into respective depth.This Sample even if buoyant raft sinks 7 days, will not influence the growth of oyster in continuous high temperature weather.After temperature is lower or non high temperature feelings Under condition or when after typhoon or without typhoon, buoyant raft is made to float, during floating, unlock traction rope, using the buoyancy of ship, manually carry Buoyant raft is played, floats up to suitable highest water temperature layer as required, maximum buoyant raft can be fixed later to the water surface.
The oyster floatable is hung in raft cultural method, and as shown in Figure 1 to Figure 3, the buoyant raft includes:
Buoyant raft ontology 100 is grid;Such as pass through rope by horizontal and vertical more China firs 101 arranged in a crossed manner It is formed after binding.Using the left and right directions in Fig. 1 as horizontal direction, front-rear direction is longitudinal direction.
More offspring ropes 110, are disposed on the bottom of the buoyant raft ontology 100, and the top of seedling rope 110 is installed in buoyant raft On ontology 100, bottom is provided with heavy pendant 120.
The top of seedling rope 110 can be directly anchored on the China fir to form buoyant raft ontology 100, also can be on buoyant raft ontology 100 Main rope 130 is set in transverse direction, makes main rope 130 parallel with ocean current main flow direction, then each offspring rope 110 of stitch on main rope 130. By the way of the main rope 130 of setting again stitch seedling rope 110, the use of China fir can be reduced, mitigates the weight of buoyant raft.
The oyster floatable is hung in raft cultural method, and more offspring ropes 110 are made of multiple row seedling rope 110, multiple row Seedling rope 110 is arranged at intervals along the longitudinal direction, and a row seedling rope 110 is arranged at intervals in transverse direction, and a row seedling rope 110 is fixed on one On main rope 130, main rope 130 is parallel with ocean current main flow direction, and a row seedling rope 110 corresponds to the heavy pendant 120 of a strip, sinks and falls 120 Cross section is uniform, for example, cuboid or cylindrical, and heavy pendant 120 is set in transverse direction, each in a row seedling rope 110 The bottom of seedling rope 110 is installed on corresponding heavy pendant 120;Seedling rope 110 is stretched by heavy pendant 120.
The buoyant raft further includes:
Multipair montant 140, a heavy pendant 120 correspond to a pair of of montants 140, the top of a pair of of montant 140 respectively with buoyant raft sheet Body 100 is fixedly connected, that is, is fixed on China fir, and both ends of the bottom respectively with corresponding heavy pendant 120 are fixedly connected, described perpendicular Bar 140 is telescopic rod;120 composition U-shaped of a pair of of montant 140 and heavy pendant, because top and the buoyant raft ontology 100 of montant 140 are fixed Connection, such montant 140 and heavy pendant 120 can not be moved relative to buoyant raft ontology 100.A row seedling rope 110 is connected by heavy pendant 120 It picks up and so that seedling rope 110 is difficult to shake under wind wave action, and it is difficult to be intertwined to make seedling rope 110, and then makes the anti-of buoyant raft Stormy waves ability is stronger.
More drawstrings 150, montant 140 correspond to a drawstring 150, one end of drawstring 150 pass through after montant 140 and with Its corresponding heavy pendant 120 is fixedly connected, and the other end of drawstring 150 is located at the outside of montant 140, the other end of drawstring 150 according to It needs to be fixed on buoyant raft ontology 100.
By lifting two drawstrings 150 on a pair of of montant 140, you can lift the oyster on a row seedling rope 110, observation one The growth conditions of oyster on row seedling rope 110 are weighed.The length of seedling rope 110, drawstring 150 and montant 140 should be longer, When temperature is higher, it can sink to the oyster on a row seedling rope 110 simultaneously to two 150 and one row seedling ropes 110 of drawstring of decentralization After respective depth, the upper end of seedling rope 110 and drawstring 150 is fixed on buoyant raft ontology 100 or main rope 130, traction can also be used The gravitation of anchor, slowly tightens traction rope, and buoyant raft is sunk to respective depth.
The oyster floatable is hung in raft cultural method, and the montant 140 is by the more piece set that sets gradually from top to bottom Bar 141 forms, and the loop bar 141 being located above is set on loop bar 141 that is adjacent thereto and being disposed below, the loop bar 141 For the cylindrical of inner hollow, each loop bar 141 that saves is coaxially disposed, and equal length, the top of a loop bar 141 and is set in Two connecting ropes 142 are respectively arranged between the top of its external loop bar 141, two connecting ropes 142 are relative to loop bar 141 Axisymmetrical is set, and the top of the top and bottom of connecting rope 142 respectively with two corresponding loop bars 141 is fixedly connected, The length of connecting rope 142 is less than or equal to the distance between the top and bottom of loop bar 141 being connected with its top, under being located in this way The top of the loop bar 141 of side can be through always in the through-hole on the loop bar 141 being located above, except the loop bar 141 positioned at bottom Outside, the center of the bottom of other loop bars 141 is respectively provided with there are one circular through-hole, and the bottom of the loop bar 141 of bottom is provided with For the hole that drawstring 150 passes through, underlying loop bar 141 is placed through the through-hole on the loop bar 141 above it, and positioned at lower section Loop bar 141 outer diameter it is equal with the diameter of the through-hole on the loop bar 141 being positioned above.When unclamping drawstring 150, positioned at lower section The loop bar 141 in its own gravity and below of loop bar 141 gravity under can pass through through-hole where it, make montant 140 Elongation.
In this way in two drawstrings 150 on lifting a pair of of montant 140, heavy pendant 120 moves up, while montant 140 is received Contracting, montant 140 play the guiding role, and make heavy pendant 120 can only vertical shift.
The oyster floatable is hung in raft cultural method, and the length of the connecting rope 142 is less than what is be connected with its top Distance between the top and bottom of loop bar 141.
The top of loop bar 141 underlying in this way can be through always in the through-hole on the loop bar 141 being located above so that Underlying loop bar 141 can only move up and down under the guiding role of through-hole.
The oyster floatable is hung in raft cultural method, and the buoyant raft further includes:
More cross bars 160, it is equal with the quantity of heavy pendant 120, and correspond, cross bar 160 is parallel with heavy pendant 120, and Positioned at the surface of corresponding heavy pendant 120, wound with the top of 120 corresponding each offspring ropes 110 of heavy pendant and drawstring 150 On corresponding cross bar 160, cross bar 160 is removably attached on buoyant raft ontology 100.Main rope 130 need not be set at this time.
The length of seedling rope 110, drawstring 150 and montant 140 should be longer, when temperature is higher, rotatable cross bar 160, and pine Open the seedling rope 110 being wrapped on cross bar 160, drawstring 150, make the oyster on a row seedling rope 110 sink (buoyant raft ontology 100 not under It is heavy) to after respective depth, cross bar 160 is fixed on buoyant raft ontology 100.The gravitation of traction anchor can also be used, slowly tightening is led Oyster is sunk to respective depth by messenger.After temperature reduction, cross bar 160 is removed from buoyant raft ontology 100, rotates backward horizontal stroke Bar 160 makes seedling rope 110, drawstring 150 be wrapped on cross bar 160, and oyster rises to the surface layer of water body, even on the upper of buoyant raft Side.By setting cross bar 160, it can make seedling rope 110, drawstring 150 that can keep length variation consistent in short-term in elongated or change.
Need monitor oyster the speed of growth or measure oyster gain in weight when, rotatable cross bar 160, make seedling rope 110, Drawstring 150 is wrapped on cross bar 160 or is lifted up the second cross bar 170, and oyster rises to the surface layer of water body, even on floating The top of raft after weighing, is unclamped seedling rope 110, the drawstring 150 being wrapped on cross bar 160, is made on a row seedling rope 110 After oyster sinks to respective depth, cross bar 160 is fixed on buoyant raft ontology 100.
Embodiment 2
Oyster floatable hangs raft cultural method, including:
A, using buoyant material, such as China fir, squarely buoyant raft is worked out, and this at least one poly- second is set on buoyant raft Alkene float 170 makes the buoyancy of all floats 170 be more than the gravity of buoyant raft, after buoyant raft is placed on sea, because float 170 generates Buoyancy be more than the gravity of buoyant raft, buoyant raft can be made to be ultimately at floating state, buoyant raft is fixed to (fixed form is existing later Have any one of technology, such as be fixed by drawing anchor), make its can not float or make its can only small range float;
B, raft cultivation is hung, hanging culture mode is any one of the prior art;
C, 1~6 month after supporting is thrown, monthly sampling Detection buoyant raft gain in weight 1 time;7~12 months after supporting are thrown, are monthly taken out Sample detection buoyant raft gain in weight 2 times;Throw 13~24 months after supporting, monthly sampling Detection buoyant raft gain in weight 3 times;Throw support after 25~ 36 months, monthly sampling Detection buoyant raft gain in weight 4 times;Every time after detection buoyant raft gain in weight, increase by 170 quantity of float, make to own Buoyancy caused by float 170 is more than the gravity of buoyant raft;Every time after detection buoyant raft gain in weight, increase by 170 quantity of float, make to own The buoyancy of float 170 is more than the gravity of buoyant raft, and before next time is detected, buoyant raft is made to be constantly in floating state;Periodic detection is male The growing state of oyster mainly monitors the speed of growth of oyster, measures oyster gain in weight, and correspondingly increase by 170 quantity of float, Buoyant raft is made to keep original balance, after oyster is avoided to increase weight, buoyant raft sinks.
D, monitored according to Local Weather Report and automatic control, calculate different temperature grades formed water temperature to the harm of oyster and Suitable highest water temperature layer adjusts buoyant raft submergence depth.When temperature reaches 29.8~34.9 DEG C, it is by buoyant raft submergence depth 2.3 rice;It it is 3.4 meters by buoyant raft submergence depth when temperature reaches 35~39.9 DEG C;It, will be under buoyant raft when temperature is higher than 40 DEG C Heavy depth is 4.5 meters;
E, it is 2.5m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;When maximum wind velocity reaches 14~15 It is 4.6m by buoyant raft submergence depth during grade;It is 5.5m by buoyant raft submergence depth when maximum wind velocity >=16 grade.It is above difference At temperature and wind speed, the optimal depth of buoyant raft sinking.
The oyster floatable that this programme provides hangs raft cultural method, and buoyant raft can be made to float and sink as needed, evaded The direct impact of intense light irradiation, high heat wave and stormy waves, effective protection buoyant raft and oyster, improves the survival rate of oyster, achieves Preferable economic benefit.During sinking, using the gravitation for drawing anchor, traction rope is slowly tightened, buoyant raft is sunk into respective depth.This Sample even if buoyant raft sinks 7 days, will not influence the growth of oyster in continuous high temperature weather.After temperature is lower or non high temperature feelings Under condition or when after typhoon or without typhoon, buoyant raft is made to float, during floating, unlock traction rope, using the buoyancy of ship, manually carry Buoyant raft is played, floats up to suitable highest water temperature layer as required, maximum buoyant raft can be fixed later to the water surface.
The oyster floatable is hung in raft cultural method, and as shown in Figure 1 to Figure 3, the buoyant raft includes:
Buoyant raft ontology 100 is grid;Such as pass through rope by horizontal and vertical more China firs 101 arranged in a crossed manner It is formed after binding.Using the left and right directions in Fig. 1 as horizontal direction, front-rear direction is longitudinal direction.
More offspring ropes 110, are disposed on the bottom of the buoyant raft ontology 100, and the top of seedling rope 110 is installed in buoyant raft On ontology 100, bottom is provided with heavy pendant 120.
The top of seedling rope 110 can be directly anchored on the China fir to form buoyant raft ontology 100, also can be on buoyant raft ontology 100 Main rope 130 is set in transverse direction, makes main rope 130 parallel with ocean current main flow direction, then each offspring rope 110 of stitch on main rope 130. By the way of the main rope 130 of setting again stitch seedling rope 110, the use of China fir can be reduced, mitigates the weight of buoyant raft.
The oyster floatable is hung in raft cultural method, and more offspring ropes 110 are made of multiple row seedling rope 110, multiple row Seedling rope 110 is arranged at intervals along the longitudinal direction, and a row seedling rope 110 is arranged at intervals in transverse direction, and a row seedling rope 110 is fixed on one On main rope 130, main rope 130 is parallel with ocean current main flow direction, and a row seedling rope 110 corresponds to the heavy pendant 120 of a strip, sinks and falls 120 Cross section is uniform, for example, cuboid or cylindrical, and heavy pendant 120 is set in transverse direction, each in a row seedling rope 110 The bottom of seedling rope 110 is installed on corresponding heavy pendant 120;Seedling rope 110 is stretched by heavy pendant 120.
The buoyant raft further includes:
Multipair montant 140, a heavy pendant 120 correspond to a pair of of montants 140, the top of a pair of of montant 140 respectively with buoyant raft sheet Body 100 is fixedly connected, that is, is fixed on China fir, and both ends of the bottom respectively with corresponding heavy pendant 120 are fixedly connected, described perpendicular Bar 140 is telescopic rod;120 composition U-shaped of a pair of of montant 140 and heavy pendant, because top and the buoyant raft ontology 100 of montant 140 are fixed Connection, such montant 140 and heavy pendant 120 can not be moved relative to buoyant raft ontology 100.A row seedling rope 110 is connected by heavy pendant 120 It picks up and so that seedling rope 110 is difficult to shake under wind wave action, and it is difficult to be intertwined to make seedling rope 110, and then makes the anti-of buoyant raft Stormy waves ability is stronger.
More drawstrings 150, montant 140 correspond to a drawstring 150, one end of drawstring 150 pass through after montant 140 and with Its corresponding heavy pendant 120 is fixedly connected, and the other end of drawstring 150 is located at the outside of montant 140, the other end of drawstring 150 according to It needs to be fixed on buoyant raft ontology 100.
By lifting two drawstrings 150 on a pair of of montant 140, you can lift the oyster on a row seedling rope 110, observation one The growth conditions of oyster on row seedling rope 110 are weighed.The length of seedling rope 110, drawstring 150 and montant 140 should be longer, When temperature is higher, it can sink to the oyster on a row seedling rope 110 simultaneously to two 150 and one row seedling ropes 110 of drawstring of decentralization After respective depth, the upper end of seedling rope 110 and drawstring 150 is fixed on buoyant raft ontology 100 or main rope 130, traction can also be used The gravitation of anchor, slowly tightens traction rope, and buoyant raft is sunk to respective depth.
The oyster floatable is hung in raft cultural method, and the montant 140 is by the more piece set that sets gradually from top to bottom Bar 141 forms, and the loop bar 141 being located above is set on loop bar 141 that is adjacent thereto and being disposed below, the loop bar 141 For the cylindrical of inner hollow, each loop bar 141 that saves is coaxially disposed, and equal length, the top of a loop bar 141 and is set in Two connecting ropes 142 are respectively arranged between the top of its external loop bar 141, two connecting ropes 142 are relative to loop bar 141 Axisymmetrical is set, and the top of the top and bottom of connecting rope 142 respectively with two corresponding loop bars 141 is fixedly connected, The length of connecting rope 142 is less than or equal to the distance between the top and bottom of loop bar 141 being connected with its top, under being located in this way The top of the loop bar 141 of side can be through always in the through-hole on the loop bar 141 being located above, except the loop bar 141 positioned at bottom Outside, the center of the bottom of other loop bars 141 is respectively provided with there are one circular through-hole, and the bottom of the loop bar 141 of bottom is provided with For the hole that drawstring 150 passes through, underlying loop bar 141 is placed through the through-hole on the loop bar 141 above it, and positioned at lower section Loop bar 141 outer diameter it is equal with the diameter of the through-hole on the loop bar 141 being positioned above.When unclamping drawstring 150, positioned at lower section The loop bar 141 in its own gravity and below of loop bar 141 gravity under can pass through through-hole where it, make montant 140 Elongation.
In this way in two drawstrings 150 on lifting a pair of of montant 140, heavy pendant 120 moves up, while montant 140 is received Contracting, montant 140 play the guiding role, and make heavy pendant 120 can only vertical shift.
The oyster floatable is hung in raft cultural method, and the length of the connecting rope 142 is less than what is be connected with its top Distance between the top and bottom of loop bar 141.
The top of loop bar 141 underlying in this way can be through always in the through-hole on the loop bar 141 being located above so that Underlying loop bar 141 can only move up and down under the guiding role of through-hole.
The oyster floatable is hung in raft cultural method, and the buoyant raft further includes:
More cross bars 160, it is equal with the quantity of heavy pendant 120, and correspond, cross bar 160 is parallel with heavy pendant 120, and Positioned at the surface of corresponding heavy pendant 120, wound with the top of 120 corresponding each offspring ropes 110 of heavy pendant and drawstring 150 On corresponding cross bar 160, cross bar 160 is removably attached on buoyant raft ontology 100.Main rope 130 need not be set at this time.
The length of seedling rope 110, drawstring 150 and montant 140 should be longer, when temperature is higher, rotatable cross bar 160, and pine Open the seedling rope 110 being wrapped on cross bar 160, drawstring 150, make the oyster on a row seedling rope 110 sink (buoyant raft ontology 100 not under It is heavy) to after respective depth, cross bar 160 is fixed on buoyant raft ontology 100.The gravitation of traction anchor can also be used, slowly tightening is led Oyster is sunk to respective depth by messenger.After temperature reduction, cross bar 160 is removed from buoyant raft ontology 100, rotates backward horizontal stroke Bar 160 makes seedling rope 110, drawstring 150 be wrapped on cross bar 160, and oyster rises to the surface layer of water body, even on the upper of buoyant raft Side.By setting cross bar 160, it can make seedling rope 110, drawstring 150 that can keep length variation consistent in short-term in elongated or change.
Need monitor oyster the speed of growth or measure oyster gain in weight when, rotatable cross bar 160, make seedling rope 110, Drawstring 150 is wrapped on cross bar 160 or is lifted up the second cross bar 170, and oyster rises to the surface layer of water body, even on floating The top of raft after weighing, is unclamped seedling rope 110, the drawstring 150 being wrapped on cross bar 160, is made on a row seedling rope 110 After oyster sinks to respective depth, cross bar 160 is fixed on buoyant raft ontology 100.
Embodiment 3
Oyster floatable hangs raft cultural method, including:
A, using buoyant material, such as China fir, squarely buoyant raft is worked out, and this at least one poly- second is set on buoyant raft Alkene float 170 makes the buoyancy of all floats 170 be more than the gravity of buoyant raft, after buoyant raft is placed on sea, because float 170 generates Buoyancy be more than the gravity of buoyant raft, buoyant raft can be made to be ultimately at floating state, buoyant raft is fixed to (fixed form is existing later Have any one of technology, such as be fixed by drawing anchor), make its can not float or make its can only small range float;
B, raft cultivation is hung, hanging culture mode is any one of the prior art;
C, 1~6 month after supporting is thrown, monthly sampling Detection buoyant raft gain in weight 1 time;7~12 months after supporting are thrown, are monthly taken out Sample detection buoyant raft gain in weight 2 times;Throw 13~24 months after supporting, monthly sampling Detection buoyant raft gain in weight 3 times;Throw support after 25~ 36 months, monthly sampling Detection buoyant raft gain in weight 4 times;Every time after detection buoyant raft gain in weight, increase by 170 quantity of float, make to own Buoyancy caused by float 170 is more than the gravity of buoyant raft;Every time after detection buoyant raft gain in weight, increase by 170 quantity of float, make to own The buoyancy of float 170 is more than the gravity of buoyant raft, and before next time is detected, buoyant raft is made to be constantly in floating state;Periodic detection is male The growing state of oyster mainly monitors the speed of growth of oyster, measures oyster gain in weight, and correspondingly increase by 170 quantity of float, Buoyant raft is made to keep original balance, after oyster is avoided to increase weight, buoyant raft sinks.
D, monitored according to Local Weather Report and automatic control, calculate different temperature grades formed water temperature to the harm of oyster and Suitable highest water temperature layer adjusts buoyant raft submergence depth.When temperature reaches 29.8~34.9 DEG C (extremely hot), buoyant raft is sunk deep Spend is 2.4 meters;It it is 3.5 meters by buoyant raft submergence depth when temperature reaches 35~39.9 DEG C (strange heat);When temperature is higher than 40 DEG C It it is 4.6 meters by buoyant raft submergence depth when (very hot);
E, it is 2.6m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;When maximum wind velocity reaches 14~15 It is 4.7m by buoyant raft submergence depth during grade;It is 5.6m by buoyant raft submergence depth when maximum wind velocity >=16 grade.
The oyster floatable that this programme provides hangs raft cultural method, and buoyant raft can be made to float and sink as needed, evaded The direct impact of intense light irradiation, high heat wave and stormy waves, effective protection buoyant raft and oyster, improves the survival rate of oyster, achieves Preferable economic benefit.During sinking, using the gravitation for drawing anchor, traction rope is slowly tightened, buoyant raft is sunk into respective depth.This Sample even if buoyant raft sinks 7 days, will not influence the growth of oyster in continuous high temperature weather.After temperature is lower or non high temperature feelings Under condition or when after typhoon or without typhoon, buoyant raft is made to float, during floating, unlock traction rope, using the buoyancy of ship, manually carry Buoyant raft is played, floats up to suitable highest water temperature layer as required, maximum buoyant raft can be fixed later to the water surface.
The oyster floatable is hung in raft cultural method, and as shown in Figure 1 to Figure 3, the buoyant raft includes:
Buoyant raft ontology 100 is grid;Such as pass through rope by horizontal and vertical more China firs 101 arranged in a crossed manner It is formed after binding.Using the left and right directions in Fig. 1 as horizontal direction, front-rear direction is longitudinal direction.
More offspring ropes 110, are disposed on the bottom of the buoyant raft ontology 100, and the top of seedling rope 110 is installed in buoyant raft On ontology 100, bottom is provided with heavy pendant 120.
The top of seedling rope 110 can be directly anchored on the China fir to form buoyant raft ontology 100, also can be on buoyant raft ontology 100 Main rope 130 is set in transverse direction, makes main rope 130 parallel with ocean current main flow direction, then each offspring rope 110 of stitch on main rope 130. By the way of the main rope 130 of setting again stitch seedling rope 110, the use of China fir can be reduced, mitigates the weight of buoyant raft.
The oyster floatable is hung in raft cultural method, and more offspring ropes 110 are made of multiple row seedling rope 110, multiple row Seedling rope 110 is arranged at intervals along the longitudinal direction, and a row seedling rope 110 is arranged at intervals in transverse direction, and a row seedling rope 110 is fixed on one On main rope 130, main rope 130 is parallel with ocean current main flow direction, and a row seedling rope 110 corresponds to the heavy pendant 120 of a strip, sinks and falls 120 Cross section is uniform, for example, cuboid or cylindrical, and heavy pendant 120 is set in transverse direction, each in a row seedling rope 110 The bottom of seedling rope 110 is installed on corresponding heavy pendant 120;Seedling rope 110 is stretched by heavy pendant 120.
The buoyant raft further includes:
Multipair montant 140, a heavy pendant 120 correspond to a pair of of montants 140, the top of a pair of of montant 140 respectively with buoyant raft sheet Body 100 is fixedly connected, that is, is fixed on China fir, and both ends of the bottom respectively with corresponding heavy pendant 120 are fixedly connected, described perpendicular Bar 140 is telescopic rod;120 composition U-shaped of a pair of of montant 140 and heavy pendant, because top and the buoyant raft ontology 100 of montant 140 are fixed Connection, such montant 140 and heavy pendant 120 can not be moved relative to buoyant raft ontology 100.A row seedling rope 110 is connected by heavy pendant 120 It picks up and so that seedling rope 110 is difficult to shake under wind wave action, and it is difficult to be intertwined to make seedling rope 110, and then makes the anti-of buoyant raft Stormy waves ability is stronger.
More drawstrings 150, montant 140 correspond to a drawstring 150, one end of drawstring 150 pass through after montant 140 and with Its corresponding heavy pendant 120 is fixedly connected, and the other end of drawstring 150 is located at the outside of montant 140, the other end of drawstring 150 according to It needs to be fixed on buoyant raft ontology 100.
By lifting two drawstrings 150 on a pair of of montant 140, you can lift the oyster on a row seedling rope 110, observation one The growth conditions of oyster on row seedling rope 110 are weighed.The length of seedling rope 110, drawstring 150 and montant 140 should be longer, When temperature is higher, it can sink to the oyster on a row seedling rope 110 simultaneously to two 150 and one row seedling ropes 110 of drawstring of decentralization After respective depth, the upper end of seedling rope 110 and drawstring 150 is fixed on buoyant raft ontology 100 or main rope 130, traction can also be used The gravitation of anchor, slowly tightens traction rope, and buoyant raft is sunk to respective depth.
The oyster floatable is hung in raft cultural method, and the montant 140 is by the more piece set that sets gradually from top to bottom Bar 141 forms, and the loop bar 141 being located above is set on loop bar 141 that is adjacent thereto and being disposed below, the loop bar 141 For the cylindrical of inner hollow, each loop bar 141 that saves is coaxially disposed, and equal length, the top of a loop bar 141 and is set in Two connecting ropes 142 are respectively arranged between the top of its external loop bar 141, two connecting ropes 142 are relative to loop bar 141 Axisymmetrical is set, and the top of the top and bottom of connecting rope 142 respectively with two corresponding loop bars 141 is fixedly connected, The length of connecting rope 142 is less than or equal to the distance between the top and bottom of loop bar 141 being connected with its top, under being located in this way The top of the loop bar 141 of side can be through always in the through-hole on the loop bar 141 being located above, except the loop bar 141 positioned at bottom Outside, the center of the bottom of other loop bars 141 is respectively provided with there are one circular through-hole, and the bottom of the loop bar 141 of bottom is provided with For the hole that drawstring 150 passes through, underlying loop bar 141 is placed through the through-hole on the loop bar 141 above it, and positioned at lower section Loop bar 141 outer diameter it is equal with the diameter of the through-hole on the loop bar 141 being positioned above.When unclamping drawstring 150, positioned at lower section The loop bar 141 in its own gravity and below of loop bar 141 gravity under can pass through through-hole where it, make montant 140 Elongation.
In this way in two drawstrings 150 on lifting a pair of of montant 140, heavy pendant 120 moves up, while montant 140 is received Contracting, montant 140 play the guiding role, and make heavy pendant 120 can only vertical shift.
The oyster floatable is hung in raft cultural method, and the length of the connecting rope 142 is less than what is be connected with its top Distance between the top and bottom of loop bar 141.
The top of loop bar 141 underlying in this way can be through always in the through-hole on the loop bar 141 being located above so that Underlying loop bar 141 can only move up and down under the guiding role of through-hole.
The oyster floatable is hung in raft cultural method, and the buoyant raft further includes:
More cross bars 160, it is equal with the quantity of heavy pendant 120, and correspond, cross bar 160 is parallel with heavy pendant 120, and Positioned at the surface of corresponding heavy pendant 120, wound with the top of 120 corresponding each offspring ropes 110 of heavy pendant and drawstring 150 On corresponding cross bar 160, cross bar 160 is removably attached on buoyant raft ontology 100.Main rope 130 need not be set at this time.
The length of seedling rope 110, drawstring 150 and montant 140 should be longer, when temperature is higher, rotatable cross bar 160, and pine Open the seedling rope 110 being wrapped on cross bar 160, drawstring 150, make the oyster on a row seedling rope 110 sink (buoyant raft ontology 100 not under It is heavy) to after respective depth, cross bar 160 is fixed on buoyant raft ontology 100.The gravitation of traction anchor can also be used, slowly tightening is led Oyster is sunk to respective depth by messenger.After temperature reduction, cross bar 160 is removed from buoyant raft ontology 100, rotates backward horizontal stroke Bar 160 makes seedling rope 110, drawstring 150 be wrapped on cross bar 160, and oyster rises to the surface layer of water body, even on the upper of buoyant raft Side.By setting cross bar 160, it can make seedling rope 110, drawstring 150 that can keep length variation consistent in short-term in elongated or change.
Need monitor oyster the speed of growth or measure oyster gain in weight when, rotatable cross bar 160, make seedling rope 110, Drawstring 150 is wrapped on cross bar 160 or is lifted up the second cross bar 170, and oyster rises to the surface layer of water body, even on floating The top of raft after weighing, is unclamped seedling rope 110, the drawstring 150 being wrapped on cross bar 160, is made on a row seedling rope 110 After oyster sinks to respective depth, cross bar 160 is fixed on buoyant raft ontology 100.
Comparative example 1
After the buoyant raft for making grid, raft cultivation is hung, buoyant raft floats across the sea always.
Experiment 1
Sea area offshore is selected to throw in 10 kilometer ranges and support 7 meters of marine site depth of water or more, using Examples 1 to 3 and comparative example 1 method carries out oyster culture, wherein, buoyant raft long 12m, wide 7m.Hanging the specific method that raft cultivates is:It is spaced and sets on buoyant raft The more main ropes (as shown in Figure 1) extended in transverse direction are put, make main rope parallel with ocean current main flow direction, in the bottom of every main rope It is arranged at intervals more plastics seedling ropes along its length.Often string Miao Shengshang has 8~10 attachment bases, between upper and lower two attachment bases At a distance of 10cm, seedling rope bottom end binding weight is fallen as heavy, attachment base 10cm of the heavy pendant apart from lowermost end, when not sinking, topmost Attachment base from water surface 50cm, the veliger of oyster is pasted in attachment base in annual June, is made in each attachment base There are 60 spats of oyster, buoyant raft density:0.3 mu of buoyant raft is launched in 1 mu of marine site, adheres to base density:25 strings/square metre, it is supported from throwing to receipts Obtain time interval 2 years half.In Examples 1 to 3, when sinking, buoyant raft and oyster are sunk together, it is first that float or replacement are installed After float, make the buoyancy of all floats in addition to it can balance the weight of entire buoyant raft, moreover it is possible to the weight of 110-220kg is balanced, it is convenient People stands above.
Using the method oyster culture of Examples 1 to 3 and comparative example 1, cultivate the survival rate of result such as oyster, turnover rate, Single average weight, buoyant raft service life, are shown in Table 1.
Table 1 is using Examples 1 to 3 and the result of the method oyster culture of comparative example 1
As shown in Table 1, buoyant raft is made to float and sink as needed in Examples 1 to 3, evaded intense light irradiation, high heat wave and The direct impact of stormy waves, effective protection buoyant raft and oyster compared with comparative example 1, improve the survival rate of oyster and single heavy Amount.And because of the buoyant raft stable structure of the present invention, capacity of anti-storm is strong, thus can reduce the turnover rate of oyster, improves making for buoyant raft With the service life, and achieve good economic benefit.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited In specific details and legend shown and described herein and embodiment.

Claims (7)

1. oyster floatable hangs raft cultural method, which is characterized in that including:
A, buoyant raft is built, and at least one float is set on buoyant raft, the buoyancy of all floats is made to be more than the gravity of buoyant raft;
B, raft cultivation is hung;
C, 1~6 month after supporting is thrown, monthly sampling Detection buoyant raft gain in weight 1 time;7~12 months after supporting are thrown, monthly sampling inspection Survey buoyant raft gain in weight 2 times;Throw 13~24 months after supporting, monthly sampling Detection buoyant raft gain in weight 3 times;Throw 25~36 after supporting Month, monthly sampling Detection buoyant raft gain in weight 4 times;Every time after detection buoyant raft gain in weight, increase float quantity, make the floating of all floats Power is more than the gravity of buoyant raft;
D, it is 2.2~2.4 meters by buoyant raft submergence depth when temperature reaches 29.8~34.9 DEG C;When temperature reaches 35~39.9 DEG C when, by buoyant raft submergence depth be 3.3~3.5 meters;It it is 4.4~4.6 meters by buoyant raft submergence depth when temperature is higher than 40 DEG C;
E, it is 2.4~2.6m by buoyant raft submergence depth when maximum wind velocity reaches 12~13 grades;When maximum wind velocity reaches 14~15 It is 4.5~4.7m by buoyant raft submergence depth during grade;It is 5.4~5.6m by buoyant raft submergence depth when maximum wind velocity >=16 grade.
2. oyster floatable as described in claim 1 hangs raft cultural method, which is characterized in that when temperature reaches 29.8~34.9 DEG C when, by buoyant raft submergence depth be 2.3 meters;It it is 3.4 meters by buoyant raft submergence depth when temperature reaches 35~39.9 DEG C;Work as temperature It it is 4.5 meters by buoyant raft submergence depth when degree is higher than 40 DEG C;When maximum wind velocity reaches 12~13 grades, it is by buoyant raft submergence depth 2.5m;It is 4.6m by buoyant raft submergence depth when maximum wind velocity reaches 14~15 grades;When maximum wind velocity >=16 grade, by buoyant raft Submergence depth is 5.5m.
3. oyster floatable as described in claim 1 hangs raft cultural method, which is characterized in that the buoyant raft includes:
Buoyant raft ontology is grid;
More offspring ropes are disposed on the bottom of the buoyant raft ontology, are installed on buoyant raft ontology at the top of seedling rope, bottom is set It is equipped with heavy pendant.
4. oyster floatable as claimed in claim 3 hangs raft cultural method, which is characterized in that more offspring ropes are by multiple row seedling Rope composition, multiple row seedling rope are arranged at intervals along the longitudinal direction, and a row seedling rope is arranged at intervals in transverse direction, and a row seedling rope corresponds to one The heavy pendant of strip, heavy pendant are set in transverse direction, and the bottom of each offspring rope in a row seedling rope is installed in corresponding On heavy pendant;
The buoyant raft further includes:
Multipair montant, heavy corresponding a pair of of a montant of pendant, the top of a pair of of montant are fixedly connected respectively with buoyant raft ontology, bottom point It is not fixedly connected with the both ends of corresponding heavy pendant, the montant is telescopic rod;
More drawstrings, montant correspond to a drawstring, and one end of drawstring is passed through after montant and corresponding heavy pendant is fixed and connected It connects, the other end of drawstring is located at the outside of montant, and is fixed on buoyant raft ontology.
5. oyster floatable as claimed in claim 4 hangs raft cultural method, which is characterized in that the montant by from top to bottom according to The more piece loop bar composition of secondary setting, the loop bar being located above are set on loop bar that is adjacent thereto and being disposed below, the set Bar is the cylindrical of inner hollow, each to save loop bar coaxial arrangement, and equal length, the top of a loop bar and is set in outside it Two connecting ropes are respectively arranged between the top of the loop bar in portion, two connecting ropes are set relative to the axisymmetrical of loop bar, even The top and bottom of splicing are fixedly connected respectively at the top of two corresponding loop bars, and the length of connecting rope is less than or equal to Distance between the top and bottom of loop bar being connected with its top, in addition to the loop bar positioned at bottom, the bottom of other loop bars Center is respectively provided with there are one circular through-hole, and underlying loop bar is placed through the through-hole on the loop bar above it, and is located at The outer diameter of the loop bar of lower section is equal with the diameter of the through-hole on the loop bar being positioned above.
6. oyster floatable as claimed in claim 5 hangs raft cultural method, which is characterized in that the length of the connecting rope is less than Distance between the top and bottom of loop bar being connected with its top.
7. oyster floatable as claimed in claim 4 hangs raft cultural method, which is characterized in that the buoyant raft further includes:
More cross bars, it is equal with the quantity of heavy pendant, and correspond, cross bar is parallel with heavy pendant, and sinks positioned at corresponding The top of the surface of pendant, each offspring rope corresponding with heavy pendant and drawstring is wrapped on corresponding cross bar, and cross bar is removable It is fixed on unloading on buoyant raft ontology.
CN201711445524.1A 2017-12-27 Oyster floating type hanging raft culture method CN108124800B (en)

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CN109329159A (en) * 2018-12-06 2019-02-15 莆田市海发水产开发有限公司 A kind of anti-red tide buoyant raft abalone culture device
CN110169380A (en) * 2019-06-26 2019-08-27 唐山市曹妃甸区农林畜牧水产技术推广站 A kind of beach oyster culture method based on soil or thin sand and soil

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CN109329159A (en) * 2018-12-06 2019-02-15 莆田市海发水产开发有限公司 A kind of anti-red tide buoyant raft abalone culture device
CN110169380A (en) * 2019-06-26 2019-08-27 唐山市曹妃甸区农林畜牧水产技术推广站 A kind of beach oyster culture method based on soil or thin sand and soil

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