CN109006451B - Over-and-under type laver breeding device - Google Patents
Over-and-under type laver breeding device Download PDFInfo
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- CN109006451B CN109006451B CN201810980335.2A CN201810980335A CN109006451B CN 109006451 B CN109006451 B CN 109006451B CN 201810980335 A CN201810980335 A CN 201810980335A CN 109006451 B CN109006451 B CN 109006451B
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- laver
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
Abstract
The invention provides a lifting type laver culturing device, which comprises culturing cages which are arrayed and float on the sea surface, wherein a lifting assembly is arranged below the culturing cages, the bottoms of the lifting assemblies are connected and arranged on a seabed sinking body through traction ropes, the culturing cages are connected through connecting ropes, and the tail ends of the connecting ropes are connected with anchor piles arranged on the seabed. The device has the lifting function, the laver can be aired, is slightly influenced by the natural environment, has strong stability and low seedling falling rate, and can also calculate the growth rate of the laver in the culture process.
Description
Technical Field
The invention belongs to the field of laver cultivation devices, and particularly relates to a lifting type laver cultivation device.
Background
The laver is an important economical bath product, has good taste and rich nutrition, and contains protein 31.3%, water-soluble polysaccharides 30.2%, fat 0.7%, and vitamin B essential to human body according to analysis of chemical research institute of Chinese academy of sciences1B2(and trace elements such as zinc, manganese, iron, copper and the like which are necessary for human bodies), has the effects of preventing and treating diseases besides eating, and is also an important raw material of the emerging agar industry. The laver cultivation has the characteristics of short production period, simple production operation, no loss of feed, low production cost and high income, and is an important way for fully utilizing coastal mudflats, developing production and removing poverty and leading to enrichment in coastal areas.
At present, the laver is planted in offshore sea water directly in China, and the specific culture mode is as follows: and building frames in the offshore sea area, and arranging nylon ropes on the frames, wherein the nylon ropes are used for growth and climbing of the laver. The problems that exist in this way are: 1. the influence of natural climate is large; 2. the laver disease is easy to spread; 3. the airing of the laver and the like requires manual operation, which is labor-intensive and not suitable for large-area cultivation of the laver.
Disclosure of Invention
The invention aims to provide a lifting type laver culturing device which has a lifting function, can be used for drying laver in the air, is slightly influenced by natural environment, has strong stability and low seedling falling rate, and can also calculate the growth rate of the laver in the culturing process.
The technical scheme adopted by the invention for realizing the purpose is as follows: a lifting type laver culturing device comprises culturing cages which are arranged in an array and float on the sea surface, wherein a lifting assembly is arranged below each culturing cage, the bottoms of the lifting assemblies are connected through traction ropes and arranged on a seabed sinking body, the culturing cages are connected through connecting ropes, and the tail ends of the connecting ropes are connected with anchor piles arranged on the seabed. According to the invention, the laver is planted on the cultivation cage, other marine products can be cultivated in the cultivation cage, the laver is separated from water and dried out on the cultivation cage by utilizing the lifting assembly and the natural power of tidal range, the floating range of the cultivation cage can be limited by the arrangement of the lifting assembly, the stability of the cultivation cage is effectively improved, and the seedling falling rate can be effectively reduced particularly after the conchosporium seedling net piece is planted in the sea. And the lifting assembly can be disassembled, the cultivation cage can rotate under the influence of sea waves and water flow, and the cultivation cage rotates to enable part of the laver to be separated from water and dried to expose part of the laver in seawater, so that the laver is dried and exposed in a self-circulation manner.
Furthermore, the cultivation cages are arrayed in a rectangular cultivation floating frame. The laver culture area is divided, the floating range of the culture cage is limited, and the stability of the culture cage is effectively improved.
Further, lifting unit includes the bracing piece that sets up with breeding the cage is perpendicular, and upper end of the support bar is located and breeds the cage and be equipped with spacing, and the bracing piece lower extreme is equipped with the fin. Breed the cage and can float from top to bottom at the bracing piece when floating from top to bottom along with the tidal water, prevent bracing piece and breed the cage separation through spacing, further improve the stability of breeding the cage in the district, the fin that the bracing piece lower extreme set up can effectively improve the stability of bracing piece, avoids wave or rivers to cause apart from strikeing to make its acutely swing to the bracing piece, influences the lift of breeding the cage.
Furthermore, a ram which is parallel to and connected with the breeding cage is connected to the support rod below the limiting strip, a force measuring device is connected to the support rod below the ram, an elliptical floating block capable of sliding up and down on the support rod is arranged below the force measuring device, and two ends of the ram are connected with the same end point of the support rod below the floating block through elastic ropes. The buoyancy of the floating block is obviously increased under the influence of tide rising when seawater rises, the floating block floats upwards relative to the supporting rod, the cantilever rod and the culture cage can be separated from the seawater surface due to the structure of the floating block, namely, laver is dried out, the floating block generates extrusion force on the force measuring device in the floating process of the floating block, the force measuring device can transmit collected force measuring data to a land computer through a wireless transmission technology, the growth rate of the cultured laver is calculated according to a calculation formula, a raiser collects the laver according to the calculation result, the collection amount of the laver is increased, the floating block begins to slide downwards to the culture cage to be contacted with the water surface under the tensioning force of the elastic rope when the tide level descends, and the design realizes that the culture cage is automatically separated from the water and dried out when the tide rises by utilizing a lifting assembly and the natural force of the tide difference.
The calculation formula for calculating the yield of the laver is as follows:
K1＝(L-L0)/t；
K2＝(LnN-LnN0)/t；
in the formula K1Absolute growth rate; k2A specific growth rate; l, N represents the average weight of thallus Porphyrae at each force measuring device obtained by the current measurement; l is0、N0Representing the average weight of the laver at each dynamometer obtained by the last measurement; t is time.
Furthermore, the supporting rods are connected with rotatable rotating bodies, the rotating bodies are provided with annular grooves, and the ratio of the groove top width K1 to the groove bottom width K2 of the annular grooves is 1: 0.56-0.63. The rotary bodies are arranged on the supporting rods, when seawater current flows through a cultivation area, the rotary bodies on a plurality of supporting rods generate rotation action to reduce the flow speed of the seawater current, and generate flow blocking action on the seawater current, annular grooves for limiting the ratio of the fixed width of the grooves to the low width of the grooves are arranged on the rotary bodies to change the peripheral flow field of the rotary bodies, the facing flow of the rotary bodies and the side surfaces of the rotary bodies generate horseshoe vortex due to the water flow of the annular groove structures, the influence of the seawater current on cultivation laver in the upper layer of the seawater is reduced by the tail fins at the lower ends of the supporting rods or the seawater current flows to the seabed, the impact force of the seawater on the cultivation laver in the upper layer of the cultivation area is eliminated, the wind wave resistance of the device is improved, and the device is prevented from being damaged by the sea waves or from falling off a large, the laver cultivation stability in the cultivation area is improved, and the production benefit is ensured.
Furthermore, a floating ball is connected to the connecting rope between the cultivation cages, and a noctilucent coating is coated on the surface of the floating ball. The floating ball 3 can relatively improve the floatability of the cultivation cage, and the floating ball can also define the range of a laver cultivation area at night, so that laver can be harvested or other cultivation operations can be facilitated, and the environment can be beautified.
Further, breed the cage and include the cage body, and cage body surface all is equipped with the netting, and cage body surface is seted up and is imported and exported. The laver is planted on the cultivation cage, and other marine products can be cultivated in the cultivation cage, so that the cultivation benefit is enlarged.
Furthermore, the cage body is made of a buoyancy material, so that the buoyancy of the breeding cage is guaranteed.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the laver is planted on the cultivation cage, and meanwhile, other marine products can be cultivated in the cultivation cage, so that the cultivation benefit is enlarged, the laver is dried out of water on the cultivation cage by utilizing the lifting assembly and the tidal range natural force, the floating range of the cultivation cage can be limited by the arrangement of the lifting assembly, and the stability of the cultivation cage is effectively improved; and the lifting assembly can be disassembled, the cultivation cage can rotate under the influence of sea waves and water flow, and the cultivation cage rotates to enable part of the laver to be separated from water and dried to expose part of the laver in seawater, so that the laver is dried and exposed in a self-circulation manner.
The lifting type laver culture device provided by the invention overcomes the defects of the prior art, and is reasonable in design and convenient to operate.
Drawings
FIG. 1 is a top view of the apparatus of the present invention installed in a sea area;
FIG. 2 is a schematic illustration of the apparatus of the present invention installed in the sea;
FIG. 3 is a schematic structural view of a cultivation cage;
FIG. 4 is a schematic view of the lifting assembly;
fig. 5 is an enlarged view of a portion a of fig. 4.
Description of reference numerals: 1. cultivating a floating frame; 2. a breeding cage; 201. a cage body; 202. netting; 203. an inlet and an outlet; 3. a floating ball; 4. connecting ropes; 5. anchoring piles; 6. a lifting assembly; 601. a support bar; 602. a limiting strip; 603. a tail wing; 604. a ram; 605. a force measuring device; 606. floating blocks; 607. an elastic cord; 7. a hauling rope; 8. sinking the body; 9. a rotating body; 9a, a ring groove.
Detailed Description
The invention is described in further detail below with reference to examples and figures:
example 1:
as shown in fig. 1-3, the lifting laver culturing device comprises culturing cages 2 which are arrayed and float on the sea surface, a lifting assembly 6 is arranged below the culturing cages 2, the bottoms of the lifting assembly 6 are connected and arranged on a seabed sinker 8 through a traction rope 7, the culturing cages 2 are connected through connecting ropes 4, and the tail ends of the connecting ropes 4 are connected with anchor piles 5 arranged on the seabed. According to the invention, the laver is planted on the cultivation cage 2, other marine products can be cultivated in the cultivation cage 2, the laver is dried out of water on the cultivation cage 2 by using the lifting assembly 6 and tidal range natural force, the floating range of the cultivation cage 2 can be limited by the arrangement of the lifting assembly 6, the stability of the cultivation cage 2 is effectively improved, and the falling rate can be effectively reduced particularly after a conchosporium esculentum seedling net is put into the sea. And the lifting assembly 6 can be disassembled, the cultivation cage 2 can rotate under the influence of sea waves and water flow, and the cultivation cage 2 rotates to enable part of the laver to be separated from water and dried to expose part of the laver in the sea water, so that the laver self-circulation drying and exposing are realized.
The cultivation cages 2 are arranged in the rectangular cultivation floating frame 1 in an array. The laver culture area is divided, the floating range of the culture cage 2 is limited, and the stability of the culture cage 2 is effectively improved.
The connecting rope 4 between the cultivation cages 2 is connected with a floating ball 3, and the surface of the floating ball 3 is coated with a luminous coating. The floating ball 3 can relatively improve the floatability of the culture cage 2, and the floating ball 3 can also determine the range of a laver culture area at night so as to facilitate the harvest of laver or other culture operations and beautify the environment.
The cage body 201 is made of a buoyant material, and buoyancy of the breeding cage 2 is guaranteed.
Example 2:
as shown in fig. 4 and 5, the present embodiment further optimizes the scheme based on embodiment 1 as follows: the lifting component 6 comprises a supporting rod 601 which is perpendicular to the breeding cage 2, the upper end of the supporting rod 601 is located in the breeding cage 2 and is provided with a limiting strip 602, and the lower end of the supporting rod 601 is provided with a tail wing 603. Breed cage 2 and can float from top to bottom at bracing piece 601 when floating from top to bottom along with the tidal water, prevent bracing piece 601 and breed cage 2 separation through spacing 602, further improve the stability of breeding cage 2 in the district, the fin 603 that the bracing piece 601 lower extreme set up can effectively improve the stability of bracing piece 601, avoids wave or rivers to cause apart from strikeing to make its acutely swing to bracing piece 601, influences the lift of breeding cage 2.
A ram 604 which is parallel to and connected with the breeding cage is connected on the support rod 601 below the limit strip 602, a force measuring device 605 is connected on the support rod 601 below the ram 604, an elliptical floating block 606 which can slide up and down on the support rod 601 is arranged below the force measuring device 605, and two ends of the ram 604 are respectively connected with the same end point of the support rod 601 below the floating block 606 through an elastic rope 607. The buoyancy of the floating block 606 is obviously increased under the influence of tide rising when seawater rises, the floating block 606 floats upwards relative to the supporting rod 601, the cantilever 604 and the culture cage 2 can be separated from the seawater surface due to the structure of the floating block 606, i.e. laver is dried out, in the floating process of the floating block 606, the floating block 606 generates extrusion force on the force measuring device 605, the force measuring device 605 can transmit collected force measurement data to a land computer through a wireless transmission technology, the growth rate of the cultured laver is calculated according to a calculation formula, a raiser collects the laver according to the calculation result, the collection amount of the laver is improved, the floating block 606 starts to slide downwards to the culture cage 2 to be contacted with the water surface under the tensioning force of the elastic rope 607 when the tide level is lowered, and the design realizes that the culture cage 2 is automatically dried out when the tide rises by utilizing the lifting assembly 6 and the natural force of the tide difference.
The calculation formula for calculating the yield of the laver is as follows:
K1＝(L-L0)/t；
K2＝(LnN-LnN0)/t；
in the formula K1Absolute growth rate; k2A specific growth rate; l, N represents the average weight of thallus Porphyrae at each force measuring device obtained by the current measurement; l is0、N0Representing the average weight of the laver at each dynamometer obtained by the last measurement; t is time.
The supporting rod 601 is connected with a rotatable rotating body 9, the rotating bodies 9 are provided with annular grooves 9a, and the ratio of the groove top width K1 to the groove bottom width K2 of the annular grooves 9a is 1: 0.56-0.63. The overlarge sea waves in the laver culturing process can cause the laver on the culturing cage 2 to fall off or the culturing parts to be damaged, and certain influence is generated on the culturing benefit, when seawater current flows through the culturing area, the rotating bodies 9 on a plurality of supporting rods 601 generate rotation action to reduce the flow speed of the seawater current, and the rotating bodies 9 generate flow resistance action to the seawater current, the annular groove 9a which limits the ratio of the fixed width of the groove and the low width of the groove is arranged on the rotating bodies 9 to change the surrounding flow field of the rotating bodies 9, the facing current and the side surface of the rotating bodies 9 generate horseshoe vortex phenomenon due to the structural water flow of the annular groove 9a, the influence of the seawater current on the cultured laver on the upper layer of the seawater is reduced by the empennage 603 at the lower end of the supporting rods 601 or the seawater current flows to the seabed, the impact force of the upper layer of the, the device is prevented from being damaged by sea waves or the cultured laver drops greatly, so that the culture stability of the laver in a culture area is improved, and the production benefit is ensured.
Example 3:
when the device of the invention is actually used: selecting a proper shallow sea culture area, putting the device into the shallow sea area and planning the culture area, avoiding densely extruding the device in the same sea area, selecting stocking at the bottom of nine months or the beginning of ten months, preparing for seedling collection, paying attention to reinforcement management after the net piece is laid in the sea, and in the culture process: the buoyancy of the floating block 606 is obviously increased under the influence of tide rising when seawater rises, the floating block 606 floats upwards relative to the supporting rod 601, the cantilever 604 and the culture cage 2 can be separated from the seawater surface due to the structure of the floating block 606, i.e. laver is dried out, in the floating process of the floating block 606, the floating block 606 generates extrusion force on the force measuring device 605, the force measuring device 605 can transmit collected force measurement data to a land computer through a wireless transmission technology, the growth rate of the cultured laver is calculated according to a calculation formula, a raiser collects the laver according to the calculation result, the collection amount of the laver is improved, the floating block 606 starts to slide downwards to the culture cage 2 to be contacted with the water surface under the tensioning force of the elastic rope 607 when the tide level is lowered, and the design realizes that the culture cage 2 is automatically dried out when the tide rises by utilizing the lifting assembly 6 and the natural force of the tide difference.
And the lifting assembly 6 can be disassembled, the cultivation cage 2 can rotate under the influence of sea waves and water flow, and the cultivation cage 2 rotates to enable part of the laver to be separated from water and dried to expose part of the laver in the sea water, so that the laver self-circulation drying and exposing are realized.
The ratio of the top width K1 to the bottom width K2 of the ring groove 9a is not limited to 1: 0.56-0.63, but may be 1:0.56, 1:0.57, 1:0.58, 1:0.59, 1:0.6, 1:0.61, 1:0.62 or 1: 063.
Cultivation test:
carrying out a culture test on the porphyra haitanensis by adopting three groups of equipment;
the first test apparatus was: conventional porphyra haitanensis cultivation device-column, net combination (control group 1);
the second test device is: the laver culturing device of the present invention and the culturing device with the lifting assembly removed (control group 2);
the third test device is: the laver culturing apparatus (experimental group) of the present invention;
the three groups of devices are subjected to culture tests in areas with the same area (200 square meters per group), the other culture conditions are consistent, and the culture method comprises the following steps: performing one-time conchospore collection, stimulating at 6 o ' clock in the first day and the later, finishing at 7 o ' clock in the second morning, wherein the stimulation time is 13 hours, and the conchospores are intensively released at 11 o ' clock in the second day. The salinity of seawater is 1.020, the water temperature is 26.4 ℃ and the air temperature is 28.2 ℃ when the seedlings are picked. The seedling collecting method adopts an artificial hand dyeing method. After the seedlings are picked by the net curtain, the vegetable seedlings can be seen by naked eyes on the 30 th day of the laver net curtain and grow to 3cm on the 37 th day of the laver seedling culture process. The seedling culture is carried out in a paragraph, and the net curtain is used for evacuating and culturing. When the seedling of the laver seedling is cultivated to 3cm, the net curtain is scattered and hung on the net 202 of the cultivation cage 2 to be cultivated.
The result of laver cultivation is:
control group 1: a large amount of seedlings are dropped after the laver enters the sea, and the situation that partial laver grows badly is caused;
control group 2: partial seedling falling phenomenon occurs after the laver enters the sea, and the laver grows normally;
experimental groups: the seedling dropping rate is low after the laver is taken off the sea, the situation of suffocation or poor growth during the cultivation period is avoided, and the growth vigor of the laver is good.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected or electrically connected; may be directly connected or may be indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The conventional techniques related to the above embodiments are conventional techniques, and therefore, will not be described in detail herein.
The embodiments described above are intended to illustrate the technical solutions of the present invention in detail, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modification, supplement or similar substitution made within the scope of the principles of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a over-and-under type laver breeding device which characterized in that: the device comprises cultivation cages (2) which are arrayed and float on the sea surface, wherein lifting components (6) are arranged below the cultivation cages (2), the bottoms of the lifting components (6) are connected and arranged on a seabed sinker (8) through traction ropes (7), the cultivation cages (2) are connected through connecting ropes (4), and the tail ends of the connecting ropes (4) are connected with anchor piles (5) arranged on the seabed;
the culture cages (2) are arranged in a rectangular culture floating frame (1) in an array manner;
the lifting assembly (6) comprises a supporting rod (601) which is perpendicular to the breeding cage (2), the upper end of the supporting rod (601) is positioned in the breeding cage (2) and is provided with a limiting strip (602), and the lower end of the supporting rod (601) is provided with a tail wing (603);
a ram (604) which is parallel to and connected with the breeding cage is connected to the support rod (601) below the limiting bar (602), a force measuring device (605) is connected to the support rod (601) below the ram (604), an elliptical floating block (606) which can slide up and down on the support rod (601) is arranged below the force measuring device (605), and two ends of the ram (604) are respectively connected with the same end point of the support rod (601) below the floating block (606) through an elastic rope (607); the supporting rod (601) is connected with a rotatable rotating body (9), the rotating body (9) is provided with ring grooves (9a), and the ratio of the groove top width K1 to the groove bottom width K2 of the ring grooves (9a) is 1: 0.56-0.63; a floating ball (3) is connected to a connecting rope (4) between the culture cages (2), and a noctilucent coating is coated on the surface of the floating ball (3); the breeding cage (2) comprises a cage body (201), the surface of the cage body (201) is provided with a netting (202), the surface of the cage body (201) is provided with an inlet and an outlet (203),
in the floating process of the floating block (606) in water, the floating block (606) generates extrusion force on the force measuring device (605), the force measuring device (605) transmits collected force measuring data into a land computer through wireless transmission, the growth rate of the cultured laver is calculated according to a calculation formula, and a raiser collects the laver according to the calculation result;
the calculation formula for calculating the yield of the laver is as follows:
K1＝(L-L0)/t；
in the formula K1Absolute growth rate; l represents the average weight of the laver at each force measuring device obtained by the measurement; l is0Representing the average weight of the laver at each dynamometer obtained by the last measurement; t is time.
2. The elevating type laver culturing device according to claim 1, wherein: the cage body (201) is prepared from a buoyant material.
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| CN201810980335.2A CN109006451B (en) | 2018-08-27 | 2018-08-27 | Over-and-under type laver breeding device |
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| CN201810980335.2A CN109006451B (en) | 2018-08-27 | 2018-08-27 | Over-and-under type laver breeding device |
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| CN109006451B true CN109006451B (en) | 2021-01-26 |
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| JP3217390B2 (en) * | 1991-06-28 | 2001-10-09 | ニチモウ株式会社 | Installation method of laver net |
| JP2004313158A (en) * | 2003-04-19 | 2004-11-11 | Yamada Jitsugyo Kk | Method for culturing laver and antifouling tool used for the same |
| CN201188805Y (en) * | 2008-05-16 | 2009-02-04 | 兰准西 | Floating-buoy up-down laver cultivation device |
| CN102084809A (en) * | 2010-12-13 | 2011-06-08 | 淮海工学院 | Sinking and floating seaweed cultivating device |
| CN103299933A (en) * | 2013-06-09 | 2013-09-18 | 浙江海洋学院普陀科学技术学院 | Combined elevation and raft type cultivation device |
| CN103385165B (en) * | 2013-07-04 | 2015-04-08 | 苍南县喜智宝养殖有限公司 | Cultivation device |
| CN107079805B (en) * | 2014-06-13 | 2019-08-02 | 连云港海之林复合材料有限公司 | Laver culture is with voluntarily doing device and cultivation apparatus |
| CN204482628U (en) * | 2015-02-11 | 2015-07-22 | 相鹏 | Novel alga string cage breeding box |
| CN106417129A (en) * | 2016-09-06 | 2017-02-22 | 安庆建金智能科技有限公司 | Hanger-type stereoscopic culture cage |
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