CN107593567B - Combined type gallery green crab breeding device - Google Patents
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- CN107593567B CN107593567B CN201711008358.9A CN201711008358A CN107593567B CN 107593567 B CN107593567 B CN 107593567B CN 201711008358 A CN201711008358 A CN 201711008358A CN 107593567 B CN107593567 B CN 107593567B
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Abstract
Aiming at the problems existing in the main blue crab breeding mode at present, the inventor designs and manufactures a combined type gallery blue crab breeding device which mainly comprises a combined box, a shelter pipe, a cover plate, a water pipe and a bottom discharge groove, wherein the combined box is divided into a plurality of management rooms by partition plates; the upper surface of the combined box is opened and covered by a cover plate, and the periphery, the bottom surface and the partition plate of the combined box are distributed with exchange holes; the lower part of the side surface of the management room is provided with a connecting hole, and the management room is connected with the shelter pipe through the connecting hole; the upper part of the side surface of the combined box and the upper part of the clapboard are provided with water pipe holes, and the water pipe passes through each management chamber in the combined box. The invention can be used as a device for cultivating the blue crabs and can also be used as a walking trestle for developing science popularization. The device can conveniently connect the overflowed water of buried pipe network culture systems, culture ponds, water storage ponds and the like, fully utilizes tidal energy, provides a more natural growth environment for the growth of the blue crabs, improves the survival rate of the blue crabs, is convenient for developing blue crab culture in mangrove wetland, and realizes a sustainable development mode of wetland culture and protection.
Description
Technical Field
The invention belongs to an aquaculture device, and particularly relates to a combined type plank road blue crab culture device.
Background
The blue crabs have wide edible range, considerable breeding benefit, low cost and easy implementation, become one of the main breeding varieties of coastal breeding industry, are particularly favored by people in mangrove wetland, and have higher market price than other breeding varieties. At present, the main modes of blue crab cultivation are as follows:
the pond culture mode is a main mode for farmer culture at the present stage, young blue crabs are put into a pond and are fed regularly, the mode can utilize the existing culture pond and can be used only by slightly modifying the existing culture pond, the feeding is convenient, but the mode has unstable income, firstly, because the blue crabs are all in the same pond, the mutual killing phenomenon is easy to occur, the survival rate is not high, and the quantity of the blue crabs cannot be accurately judged in real time; secondly, the incidence of diseases is increased along with the increase of the culture time, and the disease is difficult to control after the occurrence; thirdly, the traditional soil pond is simple and easy and is easy to escape.
The condition of the industrialized box type breeding mode is controllable, each cage of crabs avoids mutual killing of blue crabs, soft-shell crabs with higher price can be produced, the environment is artificially established in the mode, the technical requirement is higher, the environment suitable for the growth of the blue crabs is difficult to build, death is easy to result, the investment cost is higher, and later development is to be researched.
Purse net breeding only needs to carry out purse net and put in crab seedlings in an earlier stage, does not need to throw in feed, ingests natural bait, but factors such as destruction of blue crabs and mouse damage cause damage of the purse net, so that the work of net supplement is complex, the blue crabs escape more, in addition, the recapture rate is extremely low, and the income is poor.
The mangrove aquarium culture mode is considered to be most ecological, the method can culture mangroves without destroying the mangroves, the investment cost is low, the application range is wide, however, the environment of the mangroves is not beneficial to the shelling of green crabs, the environment in the mangroves cannot clear residual baits and sludge and deteriorates day by day, the green crabs are easy to die at high temperature in summer, in addition, the daily management needs to frequently step on mudflats to cause great interference to the wetland of the mangroves, and the mode is gradually eliminated.
Therefore, the existing blue crab breeding modes have certain defects and lack of a feasible mode for breeding the blue crabs in the mangrove wetland.
Disclosure of Invention
The invention aims to provide a combined type plank road blue crab culture device which is scientific in design, simple in structure and good in effect, so that blue crab culture can be conveniently developed in mangrove wetland.
In order to solve the technical problems, the invention adopts the following technical scheme:
the combined type gallery green crab cultivation device mainly comprises a combined box, a shelter pipe, a cover plate, a water pipe and a bottom row groove, wherein the combined box is divided into a plurality of management rooms by partition plates; the upper surface of the combined box is opened and covered by a cover plate, and the periphery, the bottom surface and the partition plate of the combined box are distributed with exchange holes; the lower part of the side surface of the management room is provided with a connecting hole, and the management room is connected with the shelter pipe through the connecting hole; the upper part of the side surface of the combined box and the upper part of the clapboard are provided with water pipe holes, and the water pipe passes through each management chamber in the combined box.
The combined box is a rectangular box body made of PP plates, and the rectangular box body is evenly divided into two rows by partition plates to form 16 management rooms.
The length of the combined box is 200cm, the width is 60cm, and the height is 30 cm; the thickness of the PP plate is 0.5cm, and the partition plates are 1cm lower than the side plates on the periphery of the combined box; one side of each management chamber, which faces outwards, on the long-side plate of the combined box is provided with a connecting hole with the diameter of 16cm, and the connecting holes are tangent to the middle part of the bottom plate; water pipe holes with the aperture of 5cm are reserved on the management room partition boards and the short side plates of the combination box 2cm away from the top and 2cm away from the long side plates; exchange holes with the diameter of 1cm are distributed on the periphery and the bottom surface of each management room.
The shelter pipe is made of a PVC pipe, one end of the PVC pipe is provided with a hollow connecting hole, and the other end of the PVC pipe is connected with a pipe cap.
The length of the shelter pipe is 30cm, the outer diameter of the shelter pipe is 16cm, two bolt holes are reserved at the end of a connecting hole of the shelter pipe, and the distance between the two bolt holes is 0.5 cm.
The cover plate is a glass fiber reinforced plastic grating, the thickness of the glass fiber reinforced plastic grating is 2.5cm, and the size of the grating holes is 1.2 x 1.2 cm.
The water flowing pipe is a PVC pipe, and water spraying holes are distributed on one surface of the PVC pipe facing the management room.
The pipe diameter of the water flowing pipe is 5cm, the length of the water flowing pipe is 210cm, the water flowing pipe penetrates through each water pipe hole and passes through 3 water spraying holes with the diameter of 2mm reserved above each management chamber, and an angle of 30 degrees is formed between each water spraying hole and the vertical direction.
The combined type gallery green crab cultivation device further comprises a bottom row groove, the bottom row groove is arranged below the combined box, the bottom row groove is a semicircular pipe formed by dividing a PVC pipe into two parts from the middle, and the diameter of the semicircular pipe is 20 cm.
Aiming at the problems existing in the main blue crab breeding mode at present, the inventor designs and manufactures a combined type gallery blue crab breeding device which mainly comprises a combined box, a shelter pipe, a cover plate, a water pipe and a bottom discharge groove, wherein the combined box is divided into a plurality of management rooms by partition plates; the upper surface of the combined box is opened and covered by a cover plate, and the periphery, the bottom surface and the partition plate of the combined box are distributed with exchange holes; the lower part of the side surface of the management room is provided with a connecting hole, and the management room is connected with the shelter pipe through the connecting hole; the upper part of the side surface of the combined box and the upper part of the clapboard are provided with water pipe holes, and the water pipe passes through each management chamber in the combined box. By applying the invention, the overflowing water of a buried pipe network culture system, a culture pond, a water storage pond and the like can be conveniently connected, the tidal energy is fully utilized, a more natural growth environment is provided for the growth of the blue crabs, and the survival rate of the blue crabs is improved; meanwhile, one crab in one room can prevent the escape of the green crabs and the killing among individuals and is convenient for catching and catching the cultured finished products; in addition, the method is simple and convenient to operate, avoids environmental influence caused by treading on the mudflat by manual operation, and realizes a sustainable development mode of wetland cultivation and protection; finally, the invention can also be used as a walking plank road for wetland science popularization education.
Drawings
FIG. 1 is a schematic structural diagram of the combined type trestle blue crab cultivation device.
Fig. 2 is a schematic view of a shelter structure of the combined-type trestle blue crab culture device.
FIG. 3 is a schematic diagram of a cover plate structure of the combined type trestle blue crab culturing device.
FIG. 4 is a schematic view of the structure of the water pipe of the combined type stacked-passage blue crab cultivation device.
FIG. 5 is a schematic view of the structure of the bottom row of grooves of the combined type plank road blue crab cultivation device.
In the figure: the combined box comprises a combined box body 1, a partition plate 1-1, exchange holes 1-2, water pipe holes 1-3, connecting holes 1-4, a refuge pipe 2, bolt holes 2-1, PVC pipes 2-2, pipe caps 2-3, bolts 2-4, a cover plate 3, grooves 3-1, a water flowing pipe 4, water spray holes 4-1 and a bottom discharge groove 5.
Detailed Description
Basic structure and function
As shown in fig. 1 to 5, the combined-type gallery blue crab cultivation device of the present invention mainly comprises a combined box 1, a shelter pipe, a cover plate 3, a water pipe 4 and a bottom drainage groove 5, wherein the combined box is divided into a plurality of management rooms by partition boards 1-1, and the bottom drainage groove is installed below the combined box; the upper surface of the combined box is opened and covered by a cover plate, and the periphery, the bottom surface and the partition plate of the combined box are distributed with exchange holes 1-2; the lower part of the side surface of the management chamber is provided with connecting holes 1-4, and the management chamber is connected with the refuge pipe 2 through the connecting holes; the upper part of the side surface of the combined box and the upper part of the clapboard are provided with water pipe holes 1-3, and the water pipe traverses each management chamber in the combined box.
The combined box is mainly used for feeding baits, clearing sludge and the like in the culture process, monitoring the growth condition of the blue crabs in real time, providing a feeding area for the blue crabs, effectively preventing the blue crabs from escaping and killing each other among individuals, supporting the cover plate above, and providing a more natural environment for the blue crabs due to the surrounding exchange holes.
The shelter pipe caters to the habit of the green crab cave and is buried in the sediment to avoid the high temperature in summer.
The apron plays anti-skidding effect, and the managers of being convenient for walk and carry out wetland science popularization education.
The water flowing pipe is arranged above each management room and can be connected to bury overflowing water of a pipe network culture system culture pond or a water storage pond, so that flowing water is provided for the blue crab culture moment, the growth requirements of the blue crab on shelling and the like are guaranteed, the reutilization of tidal water is realized, and the utilization rate of tidal energy is improved.
The bottom discharge groove mainly plays a role in collecting the drainage of the crab house and removing residual baits.
Second, concrete preparation
The combined box is a rectangular box body made of a PP plate, and is 200cm long, 60cm wide and 30cm high; the rectangular box body is evenly divided into two rows of 16 management rooms with the same size by the partition boards (if the construction area conditions do not allow, a single-row 8-room combined box can also be adopted). The thickness of the PP plate of the combined box is 0.5cm, and the partition plates are 1cm lower than the side plates on the periphery of the combined box; one side of each management chamber, which faces outwards, on the long-side plate of the combined box is provided with a connecting hole with the diameter of 16cm, and the connecting holes are tangent to the middle part of the bottom plate; water pipe holes with the aperture of 5cm are reserved on the management room partition boards and the short side plates of the combination box 2cm away from the top and 2cm away from the long side plates; the periphery and bottom of each management room are distributed with 1cm diameter exchange holes, each surface can be arranged in 5 rows X5, and the total number of holes is 25. Wherein the content of the first and second substances,
the shelter tube was made of PVC pipe 2-2, 30cm long with an outer diameter of 16 cm. One end of the shelter pipe is provided with a hollow connecting hole, and the other end of the PVC pipe is connected with the pipe cap 2-3. Two bolt holes 2-1 are reserved at the connecting hole end of the refuge pipe, the distance between the two bolt holes is 0.5cm, and after the connecting hole end of the refuge pipe is sleeved into the connecting hole, bolts 2-4 are respectively inserted and fixed at the inner side and the outer side of the combined box.
The cover plate 3 is a glass fiber reinforced plastic grid, the thickness of the glass fiber reinforced plastic grid is 2.5cm, and the size of the grid holes is 1.2 x 1.2 cm. Each combined type trestle blue crab culture device is provided with 2 cover plates, each cover plate is 100cm long and 61cm wide, cuboids of 1cm (width) × 1cm (height) × 100cm (length) are cut on two long sides of each cover plate, cuboids of 0.5cm (width) × 1cm (height) × 59cm (length) are cut on one side of a short side, and a groove 3-1 is formed and embedded into the combined box.
The water flowing pipe is a PVC pipe, the pipe diameter is 5cm, and the length is 210 cm. The water flowing pipe passes through each water pipe hole and is reserved with 3 water spraying holes 4-1 with the diameter of 2mm towards one side of each management chamber above each management chamber.
The bottom row of grooves is a semicircular pipe formed by dividing a PVC pipe into two parts from the middle, and the diameter of the semicircular pipe is 20 cm.
Thirdly, installation and use
The combination box, the shelter pipe and the water flow pipe are assembled into a whole on a mud flat, a pit for embedding the combination box and the shelter pipe is dug out on the mud flat, a bottom drainage groove is pre-embedded below the combination box, the assembled device is placed in the pit, the shelter pipe needs to be completely embedded in soil, two thirds of the combination box is embedded in the combination box, a cover plate is covered, water overflowing from an underground pipe network culture system or a water storage pond is connected into the water flow pipe through a PVC pipe with the pipe diameter of 5cm, the height of the water flow pipe needs to be lower than the water surface height of a water source, and a water spraying hole forms an angle of 30 degrees with the vertical direction.
After the device is installed, a green crab is put into each management room (crab house), a female crab and a male crab can also be put into each management room, but one of the green crabs and the male crab needs to be observed and removed in time in the later period, the length of the first crab is more than 3cm, baits are fed as much as possible every day according to the tidal water condition, the baits can be fresh trash fishes or oysters and the like, the combination box is directly plugged into the bait through the grid holes in the cover plate, the cover plate is opened about half a month, and residual baits, sludge and the like in the crab house are cleaned. The water can be used as a plank road after the ebb tide for the science popularization education and daily management of the wetland. Application example
The water flowing pipe of the combined type gallery blue crab culture device is connected with the overflow hole of the mangrove forest underground pipe network culture system, the overflow hole is utilized to provide flowing water for the device, 50 blue crabs with the average weight of 30g are thrown in for culture, after 3-month and half-month culture, the survival rate reaches more than 85%, the shells can be molted for 2 times, the average weight is increased by about 200g, the maximum individual exceeds 300g, and the test has been successful preliminarily.
The combined type plank road green crab culture device can be applied to the areas such as mangrove shoals, bare beaches, spartina alterniflora and the like. The flowing water can be connected with the overflowing water of a buried pipe network culture system or a water storage pond, the flowing water is provided for mudflat blue crab culture, the shelling condition of the blue crabs in the culture process is guaranteed, the reuse of tidal water is realized, the tidal energy is fully utilized, and the utilization rate of the tidal energy is improved. The design of each crab box avoids mutual killing among individuals, is convenient for inspection, can know the breeding quantity and the individual size in real time, control the growth condition of the blue crabs, and can supplement crab seedlings at any time once the blue crabs die, and also can accurately realize size grabbing and size keeping for sale. The internal near natural environment of the crab house is realized by the exchange holes of the crab house, the instability of artificial construction conditions is reduced, a more suitable living environment is provided for the blue crabs, and the residual baits can be removed by the exchange holes and the bottom discharge grooves at the bottom. The sheltering pipe not only provides a sheltering dark environment for the blue crabs, but also has the effect of effectively reducing the temperature by being buried in the sludge in high-temperature seasons. The cuboid combination box, the shelter pipe and the cover plate jointly form a main body of the crab house, so that the escape of blue crabs can be prevented, the crab house can be used as a walking plank road, the breeding management is convenient, the trampling on mudflats is avoided, the wetland popularization can be developed, and the organic combination of wetland protection and utilization is realized.
Claims (1)
1. A combined type gallery blue crab cultivation device is characterized by mainly comprising a combined box, a shelter pipe, a cover plate, a water flowing pipe and a bottom row groove, wherein the combined box is divided into a plurality of management rooms by partition plates; the upper surface of the combined box is opened and covered by a cover plate, and the periphery, the bottom surface and the partition plate of the combined box are distributed with exchange holes; the lower part of the side surface of the management chamber is provided with a connecting hole, and the management chamber is connected with the shelter pipe through the connecting hole; the upper part of the side surface of the combined box and the upper part of the clapboard are provided with water pipe holes, and the water pipe traverses through each management chamber in the combined box; the combined box is a rectangular box body made of PP plates, and the interior of the rectangular box body is averagely divided into two rows by partition plates, and the two rows of the management chambers are 16; the shelter pipe is made of a PVC pipe, one end of the PVC pipe is provided with a hollow connecting hole, and the other end of the PVC pipe is connected with a pipe cap; the water flowing pipe is a PVC pipe, the pipe diameter of the water flowing pipe is 5cm, the length of the water flowing pipe is 210cm, the water flowing pipe penetrates through each water pipe hole and passes through 3 water spraying holes with the diameter of 2mm reserved above each management chamber, and the water spraying holes form an angle of 30 degrees with the vertical direction; the cover plate is a glass fiber reinforced plastic grating, the thickness of the glass fiber reinforced plastic grating is 2.5cm, and the size of the grating holes is 1.2 x 1.2 cm; the bottom row groove is arranged below the combined box and is a semicircular pipe formed by dividing a PVC pipe into two parts from the middle, and the diameter of the semicircular pipe is 20 cm; the length of the combined box is 200cm, the width of the combined box is 60cm, and the height of the combined box is 30 cm; the thickness of the PP plate is 0.5cm, and the partition plates are 1cm lower than the side plates on the periphery of the combined box; one side of each management chamber, which faces outwards, on the long-side plate of the combined box is provided with a connecting hole with the diameter of 16cm, and the connecting holes are tangent to the middle part of the bottom plate; water pipe holes with the aperture of 5cm are reserved on the management room partition boards and the short side plates of the combination box 2cm away from the top and 2cm away from the long side plates; exchange holes with the diameter of 1cm are distributed on the periphery and the bottom surface of each management room; the length of the shelter pipe is 30cm, the outer diameter of the shelter pipe is 16cm, two bolt holes are reserved at the end of a connecting hole of the shelter pipe, and the distance between the two bolt holes is 0.5 cm.
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Cited By (1)
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| CN101836610B (en) * | 2010-05-14 | 2012-02-29 | 广东海洋大学 | Method for cultivating blue crabs with heavy shells on floating rafts |
| CN102318575B (en) * | 2011-08-24 | 2013-07-24 | 湖北长江天鹅洲白*豚国家级自然保护区管理处 | Method for culturing cowfish by using net cage |
| CN202819290U (en) * | 2012-08-15 | 2013-03-27 | 中国水产科学研究院东海水产研究所 | Crab cage culture module with connecting device and system thereof |
| CN204146177U (en) * | 2014-08-06 | 2015-02-11 | 黄志伟 | A kind of crab cultivation case |
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| CN106069886A (en) * | 2016-06-07 | 2016-11-09 | 苏州蓑笠翁养生科技有限公司 | A kind of semi-automatic crab cultivation device |
| AU2016101347A4 (en) * | 2016-08-01 | 2016-09-01 | Lee Mu Tsai Investment Pty Ltd | Container |
| CN107258655A (en) * | 2017-08-03 | 2017-10-20 | 务川自治县仡乡红水产养殖有限公司 | A kind of combined type crab cultivation box |
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| WO2022164398A1 (en) * | 2021-01-28 | 2022-08-04 | Limaiem Amine | A crab jar for fattening, rearing or soft-shell crabs and crab jar wall composed of crab jars |
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