CN108174806A - The Oyster in Raft Culture cultural method of anti-exposure - Google Patents
The Oyster in Raft Culture cultural method of anti-exposure Download PDFInfo
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- CN108174806A CN108174806A CN201711447667.6A CN201711447667A CN108174806A CN 108174806 A CN108174806 A CN 108174806A CN 201711447667 A CN201711447667 A CN 201711447667A CN 108174806 A CN108174806 A CN 108174806A
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- oyster
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- 241000237502 Ostreidae Species 0.000 title claims abstract description 150
- 235000020636 oyster Nutrition 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 230000005484 gravity Effects 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000004083 survival effect Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 244000050510 Cunninghamia lanceolata Species 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 241001116468 Cunninghamia Species 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical class C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001522252 Crassostrea rivularis Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses the Oyster in Raft Culture cultural methods of anti-exposure, belong 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 when temperature reaches 29.8~34.9 DEG C；It it is 3.3~3.5 meters by buoyant raft submergence depth when temperature reaches 35~39.9 DEG C；It it is 4.4~4.6 meters by buoyant raft submergence depth when temperature is higher than 40 DEG C.The present invention can make buoyant raft float and sink as needed, evaded the direct impact of intense light irradiation, high heat wave, and effective protection buoyant raft and oyster improve the survival rate of oyster, achieve preferable economic benefit.
Description
Technical field
The present invention relates to cultural technique fields.It is more particularly related to the Oyster in Raft Culture cultural method of anti-exposure.
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 is had
Effect 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, and 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, brings
Economic loss be immeasurable.
Invention content
The object of the present invention is to provide the Oyster in Raft Culture cultural method of anti-exposure so that buoyant raft can float as needed and
Sink, evade the direct impact of intense light irradiation, high heat wave, effective protection buoyant raft and oyster, obtain preferable economic benefit.
In order to realize these purposes and other advantages according to the present invention, the Oyster in Raft Culture cultivation side of anti-exposure is provided
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.
It preferably,, will be floating when temperature reaches 30~34.9 DEG C in the Oyster in Raft Culture cultural method of the anti-exposure
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
When, it is 4.5 meters by buoyant raft submergence depth.
Preferably, in the Oyster in Raft Culture cultural method of the anti-exposure, 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, in the Oyster in Raft Culture cultural method of the anti-exposure, more offspring ropes are made of multiple row seedling rope,
Multiple row seedling rope is arranged at intervals along the longitudinal direction, and a row seedling rope is arranged at intervals in transverse direction, and the heavy pendant is concave character type, and its is recessed
Concave portion is downward；
The buoyant raft further includes：
More first cross bars, a row seedling rope correspond to first cross bar, and first cross bar is set in transverse direction, and first
Cross bar passes through the recessed portion of each heavy pendant on a corresponding row seedling rope；
Multipair montant, first cross bar correspond to a pair of of montant, and the top of a pair of of montant is fixed respectively with buoyant raft ontology to be connected
It connects, both ends of the bottom respectively with the first corresponding cross bar are fixedly connected, and the montant is telescopic rod；
More drawstrings, montant correspond to a drawstring, and one end of drawstring passes through after montant and corresponding first is horizontal
Bar is fixedly connected, and the other end of drawstring is located at the outside of montant, and is fixed on buoyant raft ontology.
Preferably, in the Oyster in Raft Culture cultural method of the anti-exposure, the montant by setting gradually from top to bottom
More piece loop bar composition, the loop bar being located above is set on loop bar that is adjacent thereto and being disposed below, and the loop bar is interior
The hollow cylindrical in portion, it is each to save loop bar coaxial arrangement, and equal length, in addition to the loop bar positioned at the top, other loop bars
The top of side wall is fixed, and there are one limited blocks, and in addition to the loop bar positioned at bottom, the center of the bottom of other loop bars is respectively provided with
There are one circular through-hole, in the loop bar that the limited block on underlying loop bar is positioned above, underlying loop bar is worn
Cross the through-hole on the loop bar being positioned above, and the through-hole on the outer diameter of underlying loop bar and the loop bar that is positioned above
Diameter is equal.
Preferably, in the Oyster in Raft Culture cultural method of the anti-exposure, the bottom of the seedling rope and the top of heavy pendant
Center be fixedly connected；
The buoyant raft further includes：
More guide ropes, an offspring rope correspond to two guide ropes, and two guide ropes are symmetrical relative to seedling rope corresponding with its
Setting, one end of guide rope is fixedly connected with buoyant raft ontology, and the other end is passed through after corresponding heavy pendant with corresponding the
One cross bar is fixedly connected, and guide rope is in elongation state.
Preferably, in the Oyster in Raft Culture cultural method of the anti-exposure, first cross bar is cuboid, described
Spaced two sides and the recessed portion of heavy pendant form gap α along the longitudinal direction on first cross bar1, 0 ＜ α1＜ 1mm.
Preferably, in the Oyster in Raft Culture cultural method of the anti-exposure, the limited block is circular ring shape, and is set in
On corresponding loop bar, the outer ring of limited block and the madial wall formation gap α for being set in its external loop bar2, 0 ＜ α2＜
1mm。
Preferably, in the Oyster in Raft Culture cultural method of the anti-exposure, the buoyant raft further includes：
More second cross bars, it is equal with the quantity of the first cross bar, and correspond, the second cross bar and the first cross bar are put down
Row, and positioned at the surface of the first corresponding cross bar, the top of each offspring rope corresponding with the first cross bar, drawstring and guide rope
Portion is wrapped on the second corresponding cross bar, and the second cross bar is removably attached on buoyant raft ontology.
The present invention includes at least following advantageous effect：
The present invention can lift whole string oyster on an offspring rope by lifting seedling rope, observe the growth conditions of oyster, lead to
Cross two drawstrings lifted on a pair of of montant, you can lift the oyster on a row seedling rope, observe the life of the oyster on a row seedling rope
Long status is weighed.When temperature is higher, can make male on a row seedling rope simultaneously to two drawstrings of decentralization and a row seedling rope
Oyster sinks to respective depth, and the gravitation of traction anchor can also be used, slowly tighten traction rope, buoyant raft is sunk to respective depth.
The present invention can make buoyant raft float and sink as needed, evade the direct impact of intense light irradiation, high heat wave, effectively protect
Buoyant raft and oyster have been protected, has improved the survival rate of oyster, has achieved 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 of heavy pendant according to an embodiment of the invention；
Fig. 4 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
The Oyster in Raft Culture cultural method of anti-exposure, including：
A, using buoyant material, such as China fir 101, squarely buoyant raft is worked out, and at least one gather is set on buoyant raft
This ethylene float 180 makes the buoyancy of all floats 180 be more than the gravity of buoyant raft, after buoyant raft is placed on sea, because of float 180
The buoyancy of generation is more than the gravity of buoyant raft, and buoyant raft can be made to be ultimately at floating state, buoyant raft is fixed (fixed form later
It is fixed for any one of the prior art, such as by drawing anchor), it is made not float or makes it can only small range drift
It is dynamic；
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 180 quantity of float, make to own
Buoyancy caused by float 180 is more than the gravity of buoyant raft, and before next time is detected, buoyant raft is made to be constantly in floating state, such as
After increasing float, 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 sinking；The growing state of periodic detection oyster mainly monitors the speed of growth of oyster, measures oyster gain in weight, and phase
Ground is answered to increase by 180 quantity of float, buoyant raft is made to keep original balance, after oyster is avoided to increase weight, buoyant raft sinking.
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).
The Oyster in Raft Culture cultural method for the anti-exposure that this programme provides, can make buoyant raft float and sink as needed, evade
The direct impact of intense light irradiation, high heat wave, effective protection buoyant raft and oyster, improves the survival rate of oyster, achieves preferably
Economic benefit.During sinking, using the gravitation for drawing anchor, traction rope is slowly tightened, buoyant raft is sunk into respective depth.Exist in this way
Continuous high temperature weather even if buoyant raft sinks 7 days, will not influence the growth of oyster.After temperature is lower, buoyant raft is made to float, on
When floating, traction rope is unlocked, using the buoyancy of ship, manually lifts buoyant raft, floats up to suitable highest water temperature layer as required, maximum can
To the water surface, buoyant raft is fixed later.
In the Oyster in Raft Culture cultural method of the anti-exposure, as shown in Figures 1 to 4, 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 to be formed on the China fir 101 of buoyant raft ontology, also can be in buoyant raft ontology upper edge horizontal stroke
To the main rope 130 of direction setting, make main rope 130 parallel with ocean current main flow direction, then each offspring rope 110 of stitch on main rope 130.Using
The mode of main 130 stitch seedling rope 110 again of rope is set, the use of China fir 101 can be reduced, mitigate the weight of buoyant raft.
In the Oyster in Raft Culture cultural method of the anti-exposure, more offspring ropes 110 are made of multiple row seedling rope 110, more
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 the main rope 130 of root, main rope 130 is parallel with ocean current main flow direction, and the heavy pendant 120 is concave character type, and its recessed portion is downward；
The buoyant raft further includes：
More first cross bars 140, a row seedling rope 110 correspond to first cross bar 140, and first cross bar 140 is transversely
Direction is set or extension, and the first cross bar 140 passes through the recessed portion of each heavy pendant 120 on a corresponding row seedling rope 110, sinks
Pendant 120 stretches seedling rope 110, and be shelved on the first cross bar 140 vertically；
Multipair montant 150, first cross bar 140 correspond to a pair of of montant 150, and the top of a pair of of montant 150 is respectively with floating
Raft ontology 100 is fixedly connected, that is, is fixed on China fir 101, and both ends of the bottom respectively with the first corresponding cross bar 140 are fixed
Connection, the montant 150 are telescopic rod；A pair of of 150 and first cross bar 140 of montant forms U-shaped, because montant 150 top with
Buoyant raft ontology 100 is fixedly connected, and such 150 and first cross bar 140 of montant can not be moved relative to buoyant raft ontology 100.Pass through
Each heavy pendant 120 on one row seedling rope 110 is together in series by one cross bar 140 so that each heavy pendant 120 on a row seedling rope 110
Capacity of anti-storm it is stronger, make seedling rope 110 be difficult be intertwined.
More drawstrings 160, montant 150 correspond to a drawstring 160, one end of drawstring 160 pass through after montant 150 and with
Its corresponding first cross bar 140 is fixedly connected, and the other end of drawstring 160 is located at the outside of montant 150, the other end of drawstring 160
It is fixed on buoyant raft as needed.
It can lift whole string oyster on an offspring rope 110 by lifting seedling rope 110, observe the growth conditions of oyster, lead to
Cross two drawstrings 160 lifted on a pair of of montant 150, you can lift the oyster on a row seedling rope 110, observe a row seedling rope 110
On oyster growth conditions or weigh.The length of seedling rope 110, drawstring 160 and montant 150 should be longer, temperature compared with
Gao Shi can make the oyster on a row seedling rope 110 sink to respective depth simultaneously to two 160 and one row seedling ropes 110 of drawstring of decentralization
Afterwards, the upper end of seedling rope 110 and drawstring 160 is fixed on buoyant raft ontology 100 or main rope 130, the gravitation of traction anchor can also be used,
Slowly tightening traction rope, respective depth is sunk to by buoyant raft.
In the Oyster in Raft Culture cultural method of the anti-exposure, the montant 150 is by the more piece that sets gradually from top to bottom
Loop bar 151 forms, and the loop bar being located above is set on loop bar that is adjacent thereto and being disposed below, and the joint number of loop bar 151 is got over
It is more, and often save more shorter better, loop bar 151 has certain weight, makes montant 150 in the seawater in elongation state, the set
Bar 151 is the cylindrical of inner hollow, and each loop bar 150 that saves is coaxially disposed, and equal length, except the loop bar positioned at the top
Outside 151, the top of the side wall of other loop bars 151 is fixed there are one limited block 152, in addition to the loop bar 151 positioned at bottom,
The center of the bottom of his loop bar 151 is respectively provided with there are one circular through-hole, and the bottom of the loop bar 151 of bottom is provided with for drawstring
160 holes passed through, in the loop bar 151 that the limited block 152 on underlying loop bar 151 is positioned above, underlying set
Bar 151 is placed through the through-hole on the loop bar 151 above it, and the outer diameter of underlying loop bar 151 and is positioned above
The diameter of through-hole on loop bar 151 is equal.Under the gravity of loop bar of the underlying loop bar in its own gravity and below
The through-hole where it can be passed through, extends montant.
In this way in two drawstrings 160 on lifting a pair of of montant 150, the first cross bar 140 moves up, while montant
150 shrink, and montant 150 play the guiding role, and makes the first cross bar 140 can only vertical shift.
In the Oyster in Raft Culture cultural method of the anti-exposure, the bottom of the seedling rope 110 is fallen with sinking in 120 top
Centre is fixedly connected；
The buoyant raft further includes：
More guide ropes 190, an offspring rope 110 correspond to two guide ropes 190, and two guide ropes 190 are relative to right with its
The seedling rope 110 answered is symmetrical arranged, should be separated by a distance between guide rope 190 and seedling rope 110 so that oyster in growth course,
Guide rope 190 will not be contacted, one end of guide rope 190 is fixedly connected with buoyant raft ontology 100, and the other end passes through corresponding sink
It is fixedly connected after pendant 120 with the first corresponding cross bar 140, guide rope 190 is in elongation state.
120 meeting of pendant when lifting the whole string oyster on an offspring rope 110, is sunk along guide rope 190 by lifting seedling rope 110
It moves up, when transferring seedling rope 110, and heavy pendant 120 can be made under the effect of gravity, return to original position.Heavy pendant 120 has
Certain weight, heavy pendant 120 can stretch seedling rope 110 downwards always, and when lifting seedling rope 110, the first cross bar has certain
Weight, and montant is pressed on the first cross bar, thus the first cross bar 140 can make guide rope 190 be constantly in straight condition, and make to lead
Guiding role is played to rope 190.Seedling rope 110, drawstring 160, guide rope 190 and montant 150 length should be longer, temperature compared with
Gao Shi, can be simultaneously to decentralization 190, two drawstrings of guide rope, 160 and one row seedling rope 110, and extend montant 150, in a row seedling
After oyster on rope 110 sinks to respective depth, the upper end of seedling rope 110, guide rope 190 and drawstring 160 is fixed on buoyant raft sheet
On body 100 or main rope 130, the gravitation of traction anchor can also be used, slowly tighten traction rope, buoyant raft is sunk into respective depth.
In the Oyster in Raft Culture cultural method of the anti-exposure, first cross bar 140 is cuboid, and described first is horizontal
Spaced two sides and the recessed portion of heavy pendant 120 form gap α along the longitudinal direction on bar 1401, 0 ＜ α1＜ 1mm.
Friction is small between 120 and first cross bar 140 of pendant heavy in this way, after seedling rope 110 is lifted up, is also convenient for heavy pendant
120 return to original position.When seedling rope 110 stretches, the concave face of the heavy pendant 120 of top contact of the first cross bar 140.
In the Oyster in Raft Culture cultural method of the anti-exposure, the limited block 152 be circular ring shape, and be set in it is right with it
On the loop bar 151 answered, the outer ring of limited block 152 and the madial wall formation gap α for being set in its external loop bar 1512, 0 ＜ α2＜
1mm.Friction is small between limited block 152 and its external loop bar 151 in this way, also can make loop bar 151 that can only move up and down.
In the Oyster in Raft Culture cultural method of the anti-exposure, the buoyant raft further includes：
More second cross bars 170, it is equal with the quantity of the first cross bar 140, and correspond, the second cross bar 170 and the
One cross bar 140 is parallel, and positioned at the surface of the first corresponding cross bar 140, with 140 corresponding each offspring rope of the first cross bar
110th, the top of drawstring 160 and guide rope 190 is wrapped on the second corresponding cross bar 170, and the second cross bar 170 is detachable
Ground is fixed on buoyant raft ontology 100.Main rope need not be set at this time.
Seedling rope 110, drawstring 160, guide rope 190 and montant 150 length should be longer, when temperature is higher, rotatably
Second cross bar 170 unclamps seedling rope 110, drawstring 160, the guide rope 190 being wrapped on the second cross bar 170, makes a row seedling rope 110
On oyster sink (buoyant raft ontology 100 does not sink) to respective depth after, the second cross bar 170 is fixed on buoyant raft ontology 100.
The gravitation of traction anchor can also be used, slowly tighten traction rope, oyster is sunk into respective depth.After temperature reduction, from buoyant raft
The second cross bar 170 is removed on ontology 100, rotates backward the second cross bar 170, winds seedling rope 110, drawstring 160, guide rope 190
On the second cross bar 170 or the second cross bar 170 is lifted up, oyster rises to the surface layer of water body, even on the upper of buoyant raft
Side.By setting the second cross bar 170, it can make seedling rope 110, drawstring 160 and guide rope 190 that can keep length in short-term in elongated or change
Degree variation is consistent.
When needing to monitor the speed of growth of oyster or measure the gain in weight of oyster, rotatable second cross bar 170 makes seedling rope
110th, drawstring 160, guide rope 190 are wrapped on the second cross bar 170, and oyster rises to the surface layer of water body, even on buoyant raft
Top after weighing, unclamps seedling rope 110, drawstring 160, the guide rope 190 being wrapped on the second cross bar 170, makes a row seedling
After oyster on rope 110 sinks to respective depth, the second cross bar 170 is fixed on buoyant raft ontology 100.
Embodiment 2
The Oyster in Raft Culture cultural method of anti-exposure, including：
A, using buoyant material, such as China fir 101, squarely buoyant raft is worked out, and at least one gather is set on buoyant raft
This ethylene float 180 makes the buoyancy of all floats 180 be more than the gravity of buoyant raft, after buoyant raft is placed on sea, because of float 180
The buoyancy of generation is more than the gravity of buoyant raft, and buoyant raft can be made to be ultimately at floating state, buoyant raft is fixed (fixed form later
It is fixed for any one of the prior art, such as by drawing anchor), it is made not float or makes it can only small range drift
It is dynamic；
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 180 quantity of float, make to own
The buoyancy of float 180 is more than the gravity of buoyant raft, and before next time is detected, buoyant raft is made to be constantly in floating state；Such as increase 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
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 180 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 2.3 meters；It it is 3.4 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 4.5 meters by buoyant raft submergence depth when (very hot).It is the optimal depth that buoyant raft sinks above under different temperatures.
The Oyster in Raft Culture cultural method for the anti-exposure that this programme provides, can make buoyant raft float and sink as needed, evade
The direct impact of intense light irradiation, high heat wave, effective protection buoyant raft and oyster, improves the survival rate of oyster, achieves preferably
Economic benefit.During sinking, using the gravitation for drawing anchor, traction rope is slowly tightened, buoyant raft is sunk into respective depth.Exist in this way
Continuous high temperature weather even if buoyant raft sinks 7 days, will not influence the growth of oyster.After temperature is lower, i.e., at a temperature of other,
Buoyant raft is made to float, during floating, traction rope is unlocked, using the buoyancy of ship, manually lifts buoyant raft, float up to suitable highest as required
Water temperature layer, maximum buoyant raft can be fixed later to the water surface.
In the Oyster in Raft Culture cultural method of the anti-exposure, as shown in Figures 1 to 4, 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 to be formed on the China fir 101 of buoyant raft ontology, also can be in buoyant raft ontology upper edge horizontal stroke
To the main rope 130 of direction setting, make main rope 130 parallel with ocean current main flow direction, then each offspring rope 110 of stitch on main rope 130.Using
The mode of main 130 stitch seedling rope 110 again of rope is set, the use of China fir 101 can be reduced, mitigate the weight of buoyant raft.
In the Oyster in Raft Culture cultural method of the anti-exposure, more offspring ropes 110 are made of multiple row seedling rope 110, more
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 the main rope 130 of root, main rope 130 is parallel with ocean current main flow direction, and the heavy pendant 120 is concave character type, and its recessed portion is downward；
The buoyant raft further includes：
More first cross bars 140, a row seedling rope 110 correspond to first cross bar 140, and first cross bar 140 is transversely
Direction is set or extension, and the first cross bar 140 passes through the recessed portion of each heavy pendant 120 on a corresponding row seedling rope 110, sinks
Pendant 120 stretches seedling rope 110, and be shelved on the first cross bar 140 vertically；
Multipair montant 150, first cross bar 140 correspond to a pair of of montant 150, and the top of a pair of of montant 150 is respectively with floating
Raft ontology 100 is fixedly connected, that is, is fixed on China fir 101, and both ends of the bottom respectively with the first corresponding cross bar 140 are fixed
Connection, the montant 150 are telescopic rod；A pair of of 150 and first cross bar 140 of montant forms U-shaped, because montant 150 top with
Buoyant raft ontology 100 is fixedly connected, and such 150 and first cross bar 140 of montant can not be moved relative to buoyant raft ontology 100.Pass through
Each heavy pendant 120 on one row seedling rope 110 is together in series by one cross bar 140 so that each heavy pendant 120 on a row seedling rope 110
Capacity of anti-storm it is stronger, make seedling rope 110 be difficult be intertwined.
More drawstrings 160, montant 150 correspond to a drawstring 160, one end of drawstring 160 pass through after montant 150 and with
Its corresponding first cross bar 140 is fixedly connected, and the other end of drawstring 160 is located at the outside of montant 150, the other end of drawstring 160
It is fixed on buoyant raft as needed.
It can lift whole string oyster on an offspring rope 110 by lifting seedling rope 110, observe the growth conditions of oyster, lead to
Cross two drawstrings 160 lifted on a pair of of montant 150, you can lift the oyster on a row seedling rope 110, observe a row seedling rope 110
On oyster growth conditions or weigh.The length of seedling rope 110, drawstring 160 and montant 150 should be longer, temperature compared with
Gao Shi can make the oyster on a row seedling rope 110 sink to respective depth simultaneously to two 160 and one row seedling ropes 110 of drawstring of decentralization
Afterwards, the upper end of seedling rope 110 and drawstring 160 is fixed on buoyant raft ontology 100 or main rope 130, the gravitation of traction anchor can also be used,
Slowly tightening traction rope, respective depth is sunk to by buoyant raft.
In the Oyster in Raft Culture cultural method of the anti-exposure, the montant 150 is by the more piece that sets gradually from top to bottom
Loop bar 151 forms, and the loop bar being located above is set on loop bar that is adjacent thereto and being disposed below, and the joint number of loop bar 151 is got over
It is more, and often save more shorter better, loop bar 151 has certain weight, and montant 150 is in the seawater in elongation state, the loop bar
151 be the cylindrical of inner hollow, and each loop bar 150 that saves is coaxially disposed, and equal length, except the loop bar 151 positioned at the top
Outside, the top of the side wall of other loop bars 151 is fixed there are one limited block 152, in addition to the loop bar 151 positioned at bottom, other
The center of the bottom of loop bar 151 is respectively provided with there are one circular through-hole, and the bottom of the loop bar 151 of bottom is provided with for drawstring
160 holes passed through, in the loop bar 151 that the limited block 152 on underlying loop bar 151 is positioned above, underlying set
Bar 151 is placed through the through-hole on the loop bar 151 above it, and the outer diameter of underlying loop bar 151 and is positioned above
The diameter of through-hole on loop bar 151 is equal.When unclamping drawstring, loop bar of the underlying loop bar in its own gravity and below
The through-hole where it can be passed through under gravity, extends montant.
In this way in two drawstrings 160 on lifting a pair of of montant 150, the first cross bar 140 moves up, while montant
150 shrink, and montant 150 play the guiding role, and makes the first cross bar 140 can only vertical shift.
In the Oyster in Raft Culture cultural method of the anti-exposure, the bottom of the seedling rope 110 is fallen with sinking in 120 top
Centre is fixedly connected；
The buoyant raft further includes：
More guide ropes 190, an offspring rope 110 correspond to two guide ropes 190, and two guide ropes 190 are relative to right with its
The seedling rope 110 answered is symmetrical arranged, should be separated by a distance between guide rope 190 and seedling rope 110 so that oyster in growth course,
Guide rope 190 will not be contacted, one end of guide rope 190 is fixedly connected with buoyant raft ontology 100, and the other end passes through corresponding sink
It is fixedly connected after pendant 120 with the first corresponding cross bar 140, guide rope 190 is in elongation state.
120 meeting of pendant when lifting the whole string oyster on an offspring rope 110, is sunk along guide rope 190 by lifting seedling rope 110
It moves up, when transferring seedling rope 110, and heavy pendant 120 can be made under the effect of gravity, return to original position.Heavy pendant 120 has
Certain weight, heavy pendant 120 can stretch seedling rope 110 downwards always, and when lifting seedling rope 110, the first cross bar has certain
Weight, and montant is pressed on the first cross bar, thus the first cross bar 140 can make guide rope 190 be constantly in straight condition, and make to lead
Guiding role is played to rope 190.Seedling rope 110, drawstring 160, guide rope 190 and montant 150 length should be longer, temperature compared with
Gao Shi, can be simultaneously to decentralization 190, two drawstrings of guide rope, 160 and one row seedling rope 110, and extend montant 150, in a row seedling
After oyster on rope 110 sinks to respective depth, the upper end of seedling rope 110, guide rope 190 and drawstring 160 is fixed on buoyant raft sheet
On body 100 or main rope 130, the gravitation of traction anchor can also be used, slowly tighten traction rope, buoyant raft is sunk into respective depth.
In the Oyster in Raft Culture cultural method of the anti-exposure, first cross bar 140 is cuboid, and described first is horizontal
Spaced two sides and the recessed portion of heavy pendant 120 form gap α along the longitudinal direction on bar 1401, 0 ＜ α1＜ 1mm.
Friction is small between 120 and first cross bar 140 of pendant heavy in this way, after seedling rope 110 is lifted up, is also convenient for heavy pendant
120 return to original position.When seedling rope 110 stretches, the concave face of the heavy pendant 120 of top contact of the first cross bar 140.
In the Oyster in Raft Culture cultural method of the anti-exposure, the limited block 152 be circular ring shape, and be set in it is right with it
On the loop bar 151 answered, the outer ring of limited block 152 and the madial wall formation gap α for being set in its external loop bar 1512, 0 ＜ α2＜
1mm.Friction is small between limited block 152 and its external loop bar 151 in this way, also can make loop bar 151 that can only move up and down.
In the Oyster in Raft Culture cultural method of the anti-exposure, the buoyant raft further includes：
More second cross bars 170, it is equal with the quantity of the first cross bar 140, and correspond, the second cross bar 170 and the
One cross bar 140 is parallel, and positioned at the surface of the first corresponding cross bar 140, with 140 corresponding each offspring rope of the first cross bar
110th, the top of drawstring 160 and guide rope 190 is wrapped on the second corresponding cross bar 170, and the second cross bar 170 is detachable
Ground is fixed on buoyant raft ontology 100.
Seedling rope 110, drawstring 160, guide rope 190 and montant 150 length should be longer, when temperature is higher, rotatably
Second cross bar 170 unclamps seedling rope 110, drawstring 160, the guide rope 190 being wrapped on the second cross bar 170, makes a row seedling rope 110
On oyster sink (buoyant raft ontology 100 does not sink) to respective depth after, the second cross bar 170 is fixed on buoyant raft ontology 100.
The gravitation of traction anchor can also be used, slowly tighten traction rope, oyster is sunk into respective depth.After temperature reduction, from buoyant raft
The second cross bar 170 is removed on ontology 100, rotates backward the second cross bar 170, winds seedling rope 110, drawstring 160, guide rope 190
On the second cross bar 170 or the second cross bar 170 is lifted up, oyster rises to the surface layer of water body, even on the upper of buoyant raft
Side.By setting the second cross bar 170, it can make seedling rope 110, drawstring 160 and guide rope 190 that can keep length in short-term in elongated or change
Degree variation is consistent.
When needing to monitor the speed of growth of oyster or measure the gain in weight of oyster, rotatable second cross bar 170 makes seedling rope
110th, drawstring 160, guide rope 190 are wrapped on the second cross bar 170, and oyster rises to the surface layer of water body, even on buoyant raft
Top after weighing, unclamps seedling rope 110, drawstring 160, the guide rope 190 being wrapped on the second cross bar 170, makes a row seedling
After oyster on rope 110 sinks to respective depth, the second cross bar 170 is fixed on buoyant raft ontology 100.
Embodiment 3
The Oyster in Raft Culture cultural method of anti-exposure, including：
A, using buoyant material, such as China fir 101, squarely buoyant raft is worked out, and at least one gather is set on buoyant raft
This ethylene float 180 makes the buoyancy of all floats 180 be more than the gravity of buoyant raft, after buoyant raft is placed on sea, because of float 180
The buoyancy of generation is more than the gravity of buoyant raft, and buoyant raft can be made to be ultimately at floating state, buoyant raft is fixed (fixed form later
It is fixed for any one of the prior art, such as by drawing anchor), it is made not float or makes it can only small range drift
It is dynamic；
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 180 quantity of float, make to own
The buoyancy of float 180 is more than the gravity of buoyant raft, and before next time is detected, buoyant raft is made to be constantly in floating state；Such as increase 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 180 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).
The Oyster in Raft Culture cultural method for the anti-exposure that this programme provides, can make buoyant raft float and sink as needed, evade
The direct impact of intense light irradiation, high heat wave, effective protection buoyant raft and oyster, improves the survival rate of oyster, achieves preferably
Economic benefit.During sinking, using the gravitation for drawing anchor, traction rope is slowly tightened, buoyant raft is sunk into respective depth.Exist in this way
Continuous high temperature weather even if buoyant raft sinks 7 days, will not influence the growth of oyster.After temperature is lower, i.e., at a temperature of other,
Buoyant raft is made to float, during floating, traction rope is unlocked, using the buoyancy of ship, manually lifts buoyant raft, float up to suitable highest as required
Water temperature layer, maximum buoyant raft can be fixed later to the water surface.
In the Oyster in Raft Culture cultural method of the anti-exposure, as shown in Figures 1 to 4, 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 to be formed on the China fir 101 of buoyant raft ontology, also can be in buoyant raft ontology upper edge horizontal stroke
To the main rope 130 of direction setting, make main rope 130 parallel with ocean current main flow direction, then each offspring rope 110 of stitch on main rope 130.Using
The mode of main 130 stitch seedling rope 110 again of rope is set, the use of China fir 101 can be reduced, mitigate the weight of buoyant raft.
In the Oyster in Raft Culture cultural method of the anti-exposure, more offspring ropes 110 are made of multiple row seedling rope 110, more
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 the main rope 130 of root, main rope 130 is parallel with ocean current main flow direction, and the heavy pendant 120 is concave character type, and its recessed portion is downward；
The buoyant raft further includes：
More first cross bars 140, a row seedling rope 110 correspond to first cross bar 140, and first cross bar 140 is transversely
Direction is set or extension, and the first cross bar 140 passes through the recessed portion of each heavy pendant 120 on a corresponding row seedling rope 110, sinks
Pendant 120 stretches seedling rope 110, and be shelved on the first cross bar 140 vertically；
Multipair montant 150, first cross bar 140 correspond to a pair of of montant 150, and the top of a pair of of montant 150 is respectively with floating
Raft ontology 100 is fixedly connected, that is, is fixed on China fir 101, and both ends of the bottom respectively with the first corresponding cross bar 140 are fixed
Connection, the montant 150 are telescopic rod；A pair of of 150 and first cross bar 140 of montant forms U-shaped, because montant 150 top with
Buoyant raft ontology 100 is fixedly connected, and such 150 and first cross bar 140 of montant can not be moved relative to buoyant raft ontology 100.Pass through
Each heavy pendant 120 on one row seedling rope 110 is together in series by one cross bar 140 so that each heavy pendant 120 on a row seedling rope 110
Capacity of anti-storm it is stronger, make seedling rope 110 be difficult be intertwined.
More drawstrings 160, montant 150 correspond to a drawstring 160, one end of drawstring 160 pass through after montant 150 and with
Its corresponding first cross bar 140 is fixedly connected, and the other end of drawstring 160 is located at the outside of montant 150, the other end of drawstring 160
It is fixed on buoyant raft as needed.
It can lift whole string oyster on an offspring rope 110 by lifting seedling rope 110, observe the growth conditions of oyster, lead to
Cross two drawstrings 160 lifted on a pair of of montant 150, you can lift the oyster on a row seedling rope 110, observe a row seedling rope 110
On oyster growth conditions or weigh.The length of seedling rope 110, drawstring 160 and montant 150 should be longer, temperature compared with
Gao Shi can make the oyster on a row seedling rope 110 sink to respective depth simultaneously to two 160 and one row seedling ropes 110 of drawstring of decentralization
Afterwards, the upper end of seedling rope 110 and drawstring 160 is fixed on buoyant raft ontology 100 or main rope 130, the gravitation of traction anchor can also be used,
Slowly tightening traction rope, respective depth is sunk to by buoyant raft.
In the Oyster in Raft Culture cultural method of the anti-exposure, the montant 150 is by the more piece that sets gradually from top to bottom
Loop bar 151 forms, and the loop bar being located above is set on loop bar that is adjacent thereto and being disposed below, and the joint number of loop bar 151 is got over
It is more, and often save more shorter better, loop bar 151 has certain weight, and montant 150 is in the seawater in elongation state, the loop bar
151 be the cylindrical of inner hollow, and each loop bar 150 that saves is coaxially disposed, and equal length, except the loop bar 151 positioned at the top
Outside, the top of the side wall of other loop bars 151 is fixed there are one limited block 152, in addition to the loop bar 151 positioned at bottom, other
The center of the bottom of loop bar 151 is respectively provided with there are one circular through-hole, and the bottom of the loop bar 151 of bottom is provided with for drawstring
160 holes passed through, in the loop bar 151 that the limited block 152 on underlying loop bar 151 is positioned above, underlying set
Bar 151 is placed through the through-hole on the loop bar 151 above it, and the outer diameter of underlying loop bar 151 and is positioned above
The diameter of through-hole on loop bar 151 is equal.Under the gravity of loop bar of the underlying loop bar in its own gravity and below
The through-hole where it can be passed through, extends montant.
In this way in two drawstrings 160 on lifting a pair of of montant 150, the first cross bar 140 moves up, while montant
150 shrink, and montant 150 play the guiding role, and makes the first cross bar 140 can only vertical shift.
In the Oyster in Raft Culture cultural method of the anti-exposure, the bottom of the seedling rope 110 is fallen with sinking in 120 top
Centre is fixedly connected；
The buoyant raft further includes：
More guide ropes 190, an offspring rope 110 correspond to two guide ropes 190, and two guide ropes 190 are relative to right with its
The seedling rope 110 answered is symmetrical arranged, should be separated by a distance between guide rope 190 and seedling rope 110 so that oyster in growth course,
Guide rope 190 will not be contacted, one end of guide rope 190 is fixedly connected with buoyant raft ontology 100, and the other end passes through corresponding sink
It is fixedly connected after pendant 120 with the first corresponding cross bar 140, guide rope 190 is in elongation state.
120 meeting of pendant when lifting the whole string oyster on an offspring rope 110, is sunk along guide rope 190 by lifting seedling rope 110
It moves up, when transferring seedling rope 110, and heavy pendant 120 can be made under the effect of gravity, return to original position.Heavy pendant 120 has
Certain weight, heavy pendant 120 can stretch seedling rope 110 downwards always, and when lifting seedling rope 110, the first cross bar has certain
Weight, and montant is pressed on the first cross bar, thus the first cross bar 140 can make guide rope 190 be constantly in straight condition, and make to lead
Guiding role is played to rope 190.Seedling rope 110, drawstring 160, guide rope 190 and montant 150 length should be longer, temperature compared with
Gao Shi, can be simultaneously to decentralization 190, two drawstrings of guide rope, 160 and one row seedling rope 110, and extend montant 150, in a row seedling
After oyster on rope 110 sinks to respective depth, the upper end of seedling rope 110, guide rope 190 and drawstring 160 is fixed on buoyant raft sheet
On body 100 or main rope 130, the gravitation of traction anchor can also be used, slowly tighten traction rope, buoyant raft is sunk into respective depth.
In the Oyster in Raft Culture cultural method of the anti-exposure, first cross bar 140 is cuboid, and described first is horizontal
Spaced two sides and the recessed portion of heavy pendant 120 form gap α along the longitudinal direction on bar 1401, 0 ＜ α1＜ 1mm.
Friction is small between 120 and first cross bar 140 of pendant heavy in this way, after seedling rope 110 is lifted up, is also convenient for heavy pendant
120 return to original position.When seedling rope 110 stretches, the concave face of the heavy pendant 120 of top contact of the first cross bar 140.
In the Oyster in Raft Culture cultural method of the anti-exposure, the limited block 152 be circular ring shape, and be set in it is right with it
On the loop bar 151 answered, the outer ring of limited block 152 and the madial wall formation gap α for being set in its external loop bar 1512, 0 ＜ α2＜
1mm.Friction is small between limited block 152 and its external loop bar 151 in this way, also can make loop bar 151 that can only move up and down.
In the Oyster in Raft Culture cultural method of the anti-exposure, the buoyant raft further includes：
More second cross bars 170, it is equal with the quantity of the first cross bar 140, and correspond, the second cross bar 170 and the
One cross bar 140 is parallel, and positioned at the surface of the first corresponding cross bar 140, with 140 corresponding each offspring rope of the first cross bar
110th, the top of drawstring 160 and guide rope 190 is wrapped on the second corresponding cross bar 170, and the second cross bar 170 is detachable
Ground is fixed on buoyant raft ontology 100.
Seedling rope 110, drawstring 160, guide rope 190 and montant 150 length should be longer, when temperature is higher, rotatably
Second cross bar 170 unclamps seedling rope 110, drawstring 160, the guide rope 190 being wrapped on the second cross bar 170, makes a row seedling rope 110
On oyster sink (buoyant raft ontology 100 does not sink) to respective depth after, the second cross bar 170 is fixed on buoyant raft ontology 100.
The gravitation of traction anchor can also be used, slowly tighten traction rope, oyster is sunk into respective depth.After temperature reduction, from buoyant raft
The second cross bar 170 is removed on ontology 100, rotates backward the second cross bar 170, winds seedling rope 110, drawstring 160, guide rope 190
On the second cross bar 170 or the second cross bar 170 is lifted up, oyster rises to the surface layer of water body, even on the upper of buoyant raft
Side.By setting the second cross bar 170, it can make seedling rope 110, drawstring 160 and guide rope 190 that can keep length in short-term in elongated or change
Degree variation is consistent.
When needing to monitor the speed of growth of oyster or measure the gain in weight of oyster, rotatable second cross bar 170 makes seedling rope
110th, drawstring 160, guide rope 190 are wrapped on the second cross bar 170, and oyster rises to the surface layer of water body, even on buoyant raft
Top after weighing, unclamps seedling rope 110, drawstring 160, the guide rope 190 being wrapped on the second cross bar 170, makes a row seedling
After oyster on rope 110 sinks to respective depth, the second cross bar 170 is fixed on buoyant raft ontology 100.
Comparative example 1
After the buoyant raft for making grid, raft cultivation is hung, buoyant raft is made to float always across the sea.
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, has evaded intense light irradiation, high heat wave
Directly impact, effective protection buoyant raft and oyster, compared with comparative example 1, improve the survival rate of oyster, single average weight and
The service life of buoyant raft.And because the present invention buoyant raft stable structure, capacity of anti-storm is strong, thus can reduce the turnover rate of oyster,
The service life of buoyant raft is further improved, and achieves 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 (9)
1. the Oyster in Raft Culture cultural method of anti-exposure, 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.
2. the Oyster in Raft Culture cultural method of anti-exposure as described in claim 1, which is characterized in that when temperature reaches 30~34.9
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 DEG C；Work as temperature
It it is 4.5 meters by buoyant raft submergence depth during higher than 40 DEG C.
3. the Oyster in Raft Culture cultural method of anti-exposure as described in claim 1, 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. the Oyster in Raft Culture cultural method of anti-exposure as claimed in claim 3, which is characterized in that more offspring ropes are by multiple row
Seedling rope forms, and multiple row seedling rope is arranged at intervals along the longitudinal direction, and a row seedling rope is arranged at intervals in transverse direction, and the heavy pendant is character cut in bas-relief
Type, and its recessed portion is downward；
The buoyant raft further includes：
More first cross bars, a row seedling rope correspond to first cross bar, and first cross bar is set in transverse direction, the first cross bar
Across the recessed portion of each heavy pendant on a corresponding row seedling rope；
Multipair montant, first cross bar correspond to a pair of of montant, and the top of a pair of of montant is fixedly connected respectively with buoyant raft ontology, bottom
Both ends of the portion respectively with the first corresponding cross bar 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 the first corresponding cross bar is consolidated
Fixed connection, the other end of drawstring is located at the outside of montant, and is fixed on buoyant raft ontology.
5. the Oyster in Raft Culture cultural method of anti-exposure as claimed in claim 4, which is characterized in that the montant is by from top to bottom
The more piece loop bar composition set gradually, the loop bar being located above is set on loop bar that is adjacent thereto and being disposed below, described
Loop bar is the cylindrical of inner hollow, each to save loop bar coaxial arrangement, and equal length, in addition to the loop bar positioned at the top,
The top of the side wall of his loop bar is fixed there are one limited block, in addition to the loop bar positioned at bottom, in the bottom of other loop bars
Centre is respectively provided with there are one circular through-hole, in the loop bar that the limited block on underlying loop bar is positioned above, positioned at lower section
Loop bar be placed through through-hole on the loop bar above it, and on the outer diameter of underlying loop bar and the loop bar that is positioned above
Through-hole diameter it is equal.
6. the Oyster in Raft Culture cultural method of anti-exposure as claimed in claim 4, which is characterized in that the bottom of the seedling rope is with sinking
The center at the top of pendant is fixedly connected；
The buoyant raft further includes：
More guide ropes, an offspring rope correspond to two guide ropes, and two guide ropes are symmetrical arranged relative to seedling rope corresponding with its,
One end of guide rope is fixedly connected with buoyant raft ontology, and the other end passes through after corresponding heavy pendant and corresponding the first cross bar
It is fixedly connected, guide rope is in elongation state.
7. the Oyster in Raft Culture cultural method of anti-exposure as claimed in claim 4, which is characterized in that first cross bar is rectangular
The bodily form, spaced two sides and the recessed portion of heavy pendant form gap α along the longitudinal direction on first cross bar1, 0 ＜ α1
＜ 1mm.
8. the Oyster in Raft Culture cultural method of anti-exposure as claimed in claim 5, which is characterized in that the limited block is annulus
Shape, and be set on corresponding loop bar, the outer ring of limited block and the madial wall formation gap for being set in its external loop bar
α2, 0 ＜ α2＜ 1mm.
9. the Oyster in Raft Culture cultural method of anti-exposure as claimed in claim 6, which is characterized in that the buoyant raft further includes：
More second cross bars, it is equal with the quantity of the first cross bar, and correspond, the second cross bar and the first cross bar are parallel, and
Positioned at the surface of the first corresponding cross bar, the top of each offspring rope corresponding with the first cross bar, drawstring and guide rope is equal
It is wrapped on the second corresponding cross bar, the second cross bar is removably attached on buoyant raft ontology.
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| CN201711447667.6A CN108174806B (en) | 2017-12-27 | 2017-12-27 | Insolation-proof oyster raft culture method |
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| CN201711447667.6A CN108174806B (en) | 2017-12-27 | 2017-12-27 | Insolation-proof oyster raft culture method |
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| CN108174806B CN108174806B (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111066706A (en) * | 2020-01-13 | 2020-04-28 | 钦州市水产技术推广站 | Combined oyster cultivation floating valve |
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| RU2059362C1 (en) * | 1992-11-05 | 1996-05-10 | Иван Иванович Сташевский | Mussel rearing unit |
| CN106176066A (en) * | 2016-09-22 | 2016-12-07 | 徐院生 | Guiding telescopic machanism stablized by a kind of mover |
| US20170027136A1 (en) * | 2014-04-01 | 2017-02-02 | Carter Newell | Modular submersible aquaculture raft |
| CN106942113A (en) * | 2017-03-21 | 2017-07-14 | 山东省海洋生物研究院 | A kind of new shellfish culture equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036122A (en) * | 1987-11-02 | 1989-10-11 | 桑特哥·奥特门迪·巴斯托 | Marine piscinas |
| RU2059362C1 (en) * | 1992-11-05 | 1996-05-10 | Иван Иванович Сташевский | Mussel rearing unit |
| US20170027136A1 (en) * | 2014-04-01 | 2017-02-02 | Carter Newell | Modular submersible aquaculture raft |
| CN106176066A (en) * | 2016-09-22 | 2016-12-07 | 徐院生 | Guiding telescopic machanism stablized by a kind of mover |
| CN106942113A (en) * | 2017-03-21 | 2017-07-14 | 山东省海洋生物研究院 | A kind of new shellfish culture equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111066706A (en) * | 2020-01-13 | 2020-04-28 | 钦州市水产技术推广站 | Combined oyster cultivation floating valve |
| CN111066706B (en) * | 2020-01-13 | 2024-05-28 | 钦州市水产技术推广站 | Combined oyster cultivation floating cut |
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|---|---|
| CN108174806B (en) | 2020-12-04 |
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