CN110720414B

CN110720414B - Collection device is bred to marine mussel

Info

Publication number: CN110720414B
Application number: CN201910647144.9A
Authority: CN
Inventors: 袁跃峰
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2021-08-20
Anticipated expiration: 2039-07-17
Also published as: CN110720414A

Abstract

The invention discloses a marine mussel culture collecting device, which belongs to the field of aquaculture and comprises a floating barrel, a seedling rope, a net bag and a mussel scraper knife, wherein the floating barrel is provided with a through hole from top to bottom, the seedling rope is threaded in the through hole, and the mussel scraper knife can cut byssus of mussels attached to the seedling rope by lifting the seedling rope in the through hole, so that the mussels fall into the net bag, the mussel falling operation is finished at sea, the seedling rope and the mussels do not need to be transported back to the bank together, the operation is convenient, the byssus of the seedling rope in water can also increase nutrients in the water area, and the problems that the mussels are inconvenient to take off from the seedling rope and the environment is influenced by stacking the seedling rope on the bank are solved.

Description

Collection device is bred to marine mussel

Technical Field

The invention relates to an aquaculture device, in particular to a marine mussel culture collecting device.

Background

Mussels are also called green mouth, and dry products are called mussels, which are bivalves mollusks with a black brown shell and live on seashore rocks. Mussels are easy to artificially breed in large quantities due to their strong vitality, and have high nutritive value, the protein content of the dried mussel meat is up to 59.3%, and also contain various vitamins and various trace elements such as manganese, zinc, selenium and iodine which are necessary for human body.

When mussels are cultured, byssus of the mussels are attached to the seedling ropes, and the mussels and the seedling ropes are usually fished up and transported together during harvesting. The weight of the seedling rope is larger, so that the amount of exercise is increased; meanwhile, when mussels are harvested, the mussels need to fall off from the seedling ropes through the device, and the operation is complex; during operation, the seedling rope can be piled on the beach in a large amount, and because the residual byssus of the seedling rope is protein, after the seedling rope is placed on the beach for a period of time, odor can be generated and flies can be attracted, and the environment around the beach is seriously influenced.

For example, a method and a device for cultivating mussels with anti-typhoon disclosed in the chinese patent document, which is disclosed in the publication No. CN201410426629.2 and includes a suspension cage and a seedling rope, have the disadvantages that the seedling rope needs to be transported back to the shore together with the mussels when the mussels are harvested, the transportation amount is increased, and when the seedling rope is stacked on the shore, the rotting of residual byssus can generate odor to attract flies, thereby affecting the environment, and the operation is complicated when the mussels are taken off from the seedling rope.

Disclosure of Invention

The invention provides a marine mussel culture collecting device, which aims to overcome the problems that in the prior art, when mussels are collected, seedling ropes for culturing the mussels need to be transported back to the shore together with the mussels, the transportation capacity is large, the mussels are inconvenient to take off from the seedling ropes, and the environment is influenced by stacking of the seedling ropes.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention relates to a marine mussel culture collecting device, which comprises a floating barrel floating on the water surface, a seedling rope for culturing mussels and a net bag for harvesting the mussels, wherein the floating barrel is provided with a through hole from top to bottom; the upper end of the mesh bag is connected to the floating barrel.

When the seedling rope is pulled upwards through the hanging ring, the scraper knife can cut byssus of the mussels, so that the mussel can be taken off; the circular truncated cone inclined surface of the scraper knife can extrude the mussels outwards while cutting the mussel byssus, so that an outward force is applied to the byssus, and the cutting is more convenient and effective; the net bag hung on the outer side surface of the floating barrel can catch mussels falling off from the seedling rope, can prevent the mussels from falling off from the seedling rope and being lost in the culture process, and can prevent organisms such as starfish and fish eating the mussels; after mussels are harvested, the seedling ropes are still hung on the floating barrel, residual foot filaments on the seedling ropes can be decomposed by plankton in seawater after losing activity, or become nutrients of algae intercropped with the mussels, so that nutrients of seawater in a culture area are maintained, and when the next round of culture starts, the seedling ropes are taken down to collect seedlings, and the step of cleaning the seedling ropes is omitted.

Preferably, a mesh bag hook is arranged on the outer side surface of the floating barrel, the mesh bag is hung on the mesh bag hook, a pull rope hook is further arranged on the outer side surface of the floating barrel, a pull rope is hung on the pull rope hook, a plurality of retaining rings are arranged on the mesh bag close to the bag opening, the retaining rings are circumferentially arranged, one end of the pull rope is hung on the pull rope hook, the other end of the pull rope circumferentially sequentially penetrates through the retaining rings, and the pull rope is clamped on the retaining rings through a knot at the end; after the mussel takes off from the seedling rope, only need hang the stay cord one end on the stay cord couple and fix on the ship to take off the pocket from the buckle, the pocket will receive the gravity tenesmus, tightens up the stay cord simultaneously, restraints the pocket mouth with the pocket automatically, need not manual restraint sack, and it is more convenient to make the operation of collecting.

Preferably, a nutrient bag is hung at the bottom end of the seedling rope, and solid nutrients which can be slowly dissolved in seawater and provide nutrients for plankton are filled in the nutrient bag; when the seedling rope just put down, the mussel still is in the larva stage, and its quality is lighter, and the adsorption affinity of sufficient silk is also less, and the seedling rope is waved along with the wave easily, shakes off the mussel larva on the seedling rope, the nourishment bag can play the fixed action when the seedling rope puts down, reduces rocking of seedling rope, increases the biological quantity of swimming in the waters on every side simultaneously, for the mussel provides more nutrients, along with the gradual growth of mussel, weight increase gradually, and the nourishment in the nourishment bag also reduces gradually, and the nourishment in the nourishment bag is used up when the mussel is received goods, can not increase the weight when mentioning the seedling rope.

Preferably, the outer side surface of the floating barrel is provided with a lock catch for fixing the floating barrel, in the prior art, a fixed cultivation frame is arranged in a cultivation area, and the floating barrel is prevented from floating with the waves by buckling the lock catch on a rope hung on the cultivation frame.

Preferably, the bottom surface of the floating barrel is provided with a water inlet, and the water inlet is provided with a first plug which can be plugged; when mussels are collected, the seedling ropes are lifted upwards, the mussels can contact with the bottom surface of the floating barrel, the floating barrel is hollow, the weight is small, the buoyancy force is large, the mussels can be driven by the mussels to lift, the mussel scraper cannot play a role in removing the mussels, seawater can enter the floating barrel through the water inlet after the first sealing plug is pulled out, the gravity of the floating barrel can be increased, and the mussel removing force of the mussel scraper is increased; the floating barrel is buckled on the culture frame through the lock catch, so that the floating barrel cannot be completely sunk to the water bottom; when the first sealing plug is pulled out and water enters the floating barrel, the gas originally existing in the barrel cannot be discharged, and the floating barrel cannot be filled with water, so that the weight increasing effect of the floating barrel is limited, and the gas originally existing in the barrel can be discharged through the vent hole by pulling out the second sealing plug, so that the weight increasing effect of the floating barrel is improved; simultaneously, can use the air gun to pour into gas into in the vent hole after collecting the completion when the mussel to discharge the water in the keg float from the water inlet, go up first sealing plug and second sealing plug again, the keg float can normally float again.

Preferably, kelp spores are attached to the mesh bags and are used for realizing intercropping of kelp and mussel; the kelp has extremely high nutritive value and is a good and healthy food, and the kelp can play a role in shading light after growing on the mesh bag and provide a lightless environment suitable for the growth of mussels; meanwhile, the kelp plays important roles of fixing light energy, absorbing carbon dioxide, synthesizing organic substances, releasing oxygen, purifying water quality and the like in a marine ecosystem as primary productivity in the sea; since the cultivation period and cultivation time of the kelp are close to those of the mussels, the kelp can be harvested together with the mussels after being sleeved on the mesh bags; the kelp on the mesh bag can also provide a barrier for natural enemies of some mussels to enter the mesh bag to steal the mussels.

Preferably, the floating barrel is provided with a through groove from top to bottom, the through groove is communicated with the through hole in the floating barrel and the side face of the floating barrel, and the seedling rope can be transversely placed into the through hole from the through groove, so that the seedling rope is more convenient to install.

Preferably, the periphery of the through hole on the upper side of the floating barrel is provided with a hanging ring groove matched with the hanging ring, the hanging ring is clamped in the hanging ring groove, and after the seedling rope is placed in the through hole, the hanging ring is clamped in the hanging ring groove and cannot slide out of the through groove.

Preferably, the upper side surface of the floating barrel is provided with a handle for carrying the floating barrel, so that the floating barrel is convenient to carry.

Preferably, an inclined opening matched with the mussel cutter is formed between the upper side face of the floating barrel and the through hole, the mussel cutter can be inserted into the inclined opening of the floating barrel below the floating barrel, the bottom face of the floating barrel is placed on the handle to be stacked, and the inclined opening is matched with the mussel cutter, so that the floating barrel can be vertically and orderly stacked; the handle can support the bottom surface of the floating barrel, so that the stacking is more reliable.

Therefore, the invention has the following beneficial effects: (1) the mussels can be taken off at sea, the operation is convenient, the seedling rope is collected when the mussels are cultivated in a next round, residual byssus on the seedling rope can be decomposed in the sea, the beach environment cannot be influenced, and the nutrients in the water area are increased; (2) when the mussels are in the juvenile stage, the stability of the seedling rope is improved, and the mussels are prevented from falling off the seedling rope; (3) when collecting, the mussels are collected in the mesh bag and are not easy to drop and lose.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of a pontoon according to the invention.

Fig. 3 is a cross-sectional view of a pontoon according to the invention.

In the figure: 1. float bucket 11, through-hole 12, mussel spiller 13, pocket couple 14, stay cord couple 15, water inlet 16, first sealing plug 17, blow vent 18, second sealing plug 19, lead to groove 110, hasp 111, handle 112, rings groove 113, bevel connection 2, seedling rope 21, rings 3, pocket 31, buckle 4, stay cord 41, knot 5, nourishment bag 6, mussel.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

In the embodiment shown in fig. 1-3, the device comprises a floating barrel 1 floating on the water surface, a seedling rope 2 for cultivating mussels, and a mesh bag 3 for harvesting mussels 6, wherein the floating barrel is provided with a through hole 11 from top to bottom, the upper end of the seedling rope is provided with a hanging ring 21 for lifting the seedling rope, the seedling rope is threaded in the through hole, the hanging ring is clamped at the upper side of the floating barrel, mussel shoveling knives 12 are arranged around the through hole at the bottom of the floating barrel, and the mussel shoveling knives are in a circular truncated cone shape; the outer side surface of the floating barrel is provided with a plurality of net bag hooks 13, the net bags are hung on the net bag hooks, the floating barrel and the mussel cutter are made of an integrally formed metal material, the surface of the floating barrel is coated with antirust paint, and the sections of the mussel cutter are in two triangles; the lifting ring at the upper end of the seedling rope can be lifted by a hand or a small crane on a ship, the size of the through hole is slightly larger than the diameter of the seedling rope, a pocket opening of the pocket is provided with a pocket hanging ring, the pocket hanging ring is hung on a pocket hook, the upper side surface of the floating bucket is also provided with a handle, and the handle can facilitate the floating bucket to be carried; the outer side surface of the floating barrel is provided with a stay cord hook 14, a stay cord 4 is hung on the stay cord hook, a plurality of buckles 31 are arranged on the mesh bag close to the bag opening, the buckles are circumferentially arranged, one end of the stay cord is hung on the stay cord hook, the other end of the stay cord circumferentially penetrates through the buckles in sequence and is clamped on the buckles through a knot 41 at the end, the stay cord is hung on the stay cord hook through a stay cord hanging ring, the outer diameter of the stay cord hanging ring is smaller than the inner diameter of the buckles, the knot does not need to be untied when the stay cord is installed, and only the end of the stay cord with the stay cord hanging ring needs to be sequentially penetrated through the buckles and hung on the stay cord hook; the bottom end of the seedling rope is hung with a nutrient bag 5, solid nutrients which can be slowly dissolved in seawater are contained in the nutrient bag, the material of the nutrient bag is filter cloth, solid particles cannot escape from the bag, filter pulp formed by dissolving the solid nutrients in the seawater can seep out of the nutrient bag, the fixed nutrients are not feed of mussels, but organic fertilizers which are used as food and increase plankton in a water area, and the mussels eat plankton, so that the mussels are indirectly provided with the nutrients; the outer side surface of the floating barrel is provided with a lock catch 110 for fixing the floating barrel, the lower side of the lock catch is provided with a buckle tongue which can be pressed down, the lock catch can be buckled on a rope on the culture frame after the buckle tongue is pressed down, and then the buckle tongue automatically resets through a spring, so that the floating barrel is fixed on the rope; the bottom surface of the floating barrel is provided with a water inlet 15, the water inlet is provided with a pluggable first sealing plug 16, the upper side surface of the floating barrel is provided with a vent 17, the vent is provided with a pluggable second sealing plug 18, the first sealing plug and the second sealing plug are fixed on the floating barrel through fixing ropes to prevent falling and losing, the floating barrel is provided with a through groove 19 from top to bottom, the through groove is communicated with a through hole in the floating barrel and the side surface of the floating barrel, the seedling ropes can be transversely placed into the through hole from the through groove, and the width of the through groove is the same as the diameter of the through hole; a hanging ring groove 112 matched with the hanging ring is arranged around the through hole on the upper side surface of the floating bucket, the hanging ring is clamped in the hanging ring groove, and enough space is still left on the upper surface of the floating bucket after the hanging ring is clamped in the hanging ring groove, so that the floating bucket is convenient to lift; the side is equipped with the handle 111 that is used for carrying the keg float on the keg float, be equipped with between side and the through-hole on the keg float with the bevel connection 113 of mussel spiller adaptation, the keg float can be through inserting the mussel spiller in the bevel connection of below keg float to put the keg float bottom surface and pile up on hand, when mussel spiller inserted the bevel connection completely, the handle of below keg float just in time contacted with the bottom of top keg float.

When mussels are cultured, the seedling rope with mussel larvae is taken out of the larva culture pond, the nutrient bags filled with solid nutrients are hung at the bottom ends of the seedling ropes, the seedling ropes are transversely placed into the through holes from the through grooves, the hanging rings at the upper ends of the seedling ropes are clamped in the hanging ring grooves, so that the seedling ropes are not easy to slide out of the through grooves, meanwhile, the weight of the nutrient bags plays a role in fixing the seedling ropes, and the mussel larvae are prevented from falling off due to the floating of the seedling ropes; the solid nutrient in the nutrient bag can be gradually dissolved in the seawater and seeps out of the nutrient bag, so that the number of plankton in the water is increased, and food is provided for the mussel; when mussels are harvested, the solid nutrients in the nutrient bags are completely dissolved, so that the weight of the mussel rope is reduced when the mussel rope is lifted.

When mussels are harvested, the first sealing plug and the second sealing plug are pulled out, seawater enters the floating barrel through the water inlet, air in the floating barrel is discharged through the vent hole, the mass of the floating barrel is increased, and the floating barrel is hung on the culture frame through a rope and cannot be completely sunk to the bottom of the water; at the moment, the lifting ring is lifted upwards, the seedling rope and the mussel scraper knife move relatively to cut mussel byssus attached to the seedling rope, and meanwhile, the round platform inclined surface of the mussel scraper knife pushes the peripheral mussels outwards, so that the cutting is more effective; after the byssus is cut off, the mussels fall off from the seedling rope and fall into the mesh bag; after all the mussels fall off, putting down the hanging rings to reset the seedling ropes; the pull rope hanging ring is taken down from the pull rope hook and hung on the ship body, then the mesh bag is taken down from the mesh bag hanging ring, the mesh bag falls under the gravity, and meanwhile, the bag opening is bound at the buckle ring; after the bag opening is closed, the pull rope hanging ring on the ship body is taken down, the net bag is lifted from the water and placed on the ship, and the net bag is tied by the pull rope; and after the seawater is discharged, the first sealing plug and the second sealing plug are plugged again, and the floating barrel floats on the sea surface again.

Mussel results the back, and the seedling rope is stayed in the sea water, and remaining byssus loses the active back, can regard as the nourishment of plankton, has increased the nutrient in waters, has promoted the circulation of the interior ecosystem of waters, treats that the cultivation of lower round mussel begins the time, takes off the use with the seedling rope again.

Claims

1. A marine mussel culture collecting device is characterized by comprising a floating barrel (1) floating on the water surface, a seedling rope (2) used for culturing mussels and a net bag (3) used for harvesting the mussels, wherein the floating barrel is provided with a through hole (11) from top to bottom, the upper end of the seedling rope is provided with a lifting ring (21) used for lifting the seedling rope, the seedling rope is threaded in the through hole, the lifting ring is clamped on the upper side of the floating barrel, mussel shoveling knives (12) are arranged at the bottom of the floating barrel around the through hole, and the mussel shoveling knives are in a shape of a circular truncated cone; the upper end of the mesh bag is connected to the floating barrel, a mesh bag hook is arranged on the outer side face of the floating barrel, the mesh bag is hung on the mesh bag hook, a pull rope hook (14) is further arranged on the outer side face of the floating barrel, a pull rope (4) is hung on the pull rope hook, a plurality of retaining rings (31) are arranged on the mesh bag close to the bag opening, the retaining rings are circumferentially arranged, one end of the pull rope is hung on the pull rope hook, the other end of the pull rope circumferentially penetrates through the retaining rings in sequence, and a knot (41) passing through the end is clamped on the retaining rings.

2. The marine mussel culture harvesting device of claim 1, wherein a nutrient bag (5) is hung at the bottom end of the seedling rope, and solid nutrients which can be slowly dissolved in seawater and provide nutrients for plankton are contained in the nutrient bag.

3. The marine mussel culture harvesting device of claim 1, wherein a lock catch (110) for fixing the pontoon is arranged on the outer side of the pontoon.

4. A marine mussel culture harvesting device according to claim 3, wherein the bottom of the floating barrel is provided with a water inlet (15), the water inlet is provided with a first pluggable sealing plug (16), the upper side of the floating barrel is provided with a vent hole (17), and the vent hole is provided with a second pluggable sealing plug (18).

5. The marine mussel culture harvesting device of claim 1, wherein kelp spores are attached to the mesh bag for intercropping kelp and mussels.

6. The marine mussel culture harvesting device of claim 1, wherein the pontoon is provided with through slots (19) from top to bottom, the through slots communicate the through holes on the pontoon with the sides of the pontoon, and the seedling ropes can be transversely put into the through holes from the through slots.

7. The marine mussel culture harvesting device of claim 1, wherein a ring hanging groove (112) adapted to the hanging ring is formed around the through hole on the upper side of the floating bucket, and the hanging ring is clamped in the ring hanging groove.

8. The marine mussel culture harvesting device of claim 1, wherein the upper side of the pontoon is provided with a handle (111) for carrying the pontoon.

9. A marine mussel culture harvesting device according to claim 8, wherein a bevel (113) adapted to the mussel cutter is provided between the upper side of the float barrel and the through hole, and the float barrel can be stacked by inserting the mussel cutter into the bevel of the float barrel below and placing the bottom of the float barrel on the handle.