CN103168715B - Aquatic organism habitat device constructed manually - Google Patents

Aquatic organism habitat device constructed manually Download PDF

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Publication number
CN103168715B
CN103168715B CN201210535762.2A CN201210535762A CN103168715B CN 103168715 B CN103168715 B CN 103168715B CN 201210535762 A CN201210535762 A CN 201210535762A CN 103168715 B CN103168715 B CN 103168715B
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waste plastic
plastic bottle
bottle
main body
rod member
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CN103168715A (en
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俞存根
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Artificial Fish Reefs (AREA)

Abstract

The invention discloses an aquatic organism habitat device constructed manually and aims to provide the aquatic organism habitat device constructed manually which is not only low in manufacturing and transporting cost and not prone to being corroded, but also convenient to manufacture and applicable to various plastic bottles with or without threads on bottle ports and is assembled by means of waste plastic bottles. The aquatic organism habitat device constructed manually comprises a prefabricated connecting part and a plurality of first waste plastic bottles, wherein the prefabricated connecting part comprises a prefabricated plate and a plurality of connecting rods which are uniformly distributed on the periphery of the fabricated plate and extent outward, an opening is formed in the bottom of each first plastic bottle, and each first waste plastic bottle is fixedly connected at the end portion of each connecting rod through each bottle port in a sleeved mode.

Description

A kind of artificial constructed aquatile perches device
Technical field
The present invention relates to fish shelter field, be specifically related to a kind of artificial constructed aquatile that is placed in seabed and perch device.
Background technology
Plastic bottle is a kind of article common in daily life, makes finished product conventionally taking polyethylene or polypropylene etc. as material, and by blow molding.Plastic bottle brings great convenience to our daily life, but also becomes troubling rubbish source because of its hard degradation, and environment is worked the mischief.
On the other hand, because the deterioration of marine environment and the transition of marine fishery resources develop and destroy day by day serious, how to improve this problem by artificial mode imperative; Wherein improve marine ecosystem environment in the mode of throwing in artificial fish shelter, build the good environment that marine organisms perch, obtained good effect for fish etc. provide the place of breeding, growth and forage etc.Current artificial fish shelter is made up of objects such as stone, concrete block, waste and old car and boat conventionally.For example, China Patent Publication No. CN201821746U, open day on May 11st, 2011, the name of innovation and creation is called a kind of waste and old fishing boat repacking fishing bank, this application case utilizes the hull of waste and old fishing boat to transform, the mixed earth reefs of hollow out is set in deck in ship structure, and bottom in hull arranges mixed earth body and forms fishing bank.For another example, China Patent Publication No. CN102599081A, in open day on July 25th, 2012, the name of innovation and creation is called a kind of artificial fish shelter, and by steel bar concrete casting, all-in-one-piece upper unit, lower left quarter unit and right lower quadrant unit form the utilization of this application case; It builds fish by combination stacked and lays eggs and the place of perching, and can also greatly improve stability and the hydrodynamic force of artificial fish shelter in the situation that of multiple combination.
The fish shelter that utilizes at present the objects such as waste and old car and boat to form, because its material of main part is that iron and steel is easily corroded, makes fish shelter structural stability poor; And the fish shelter being formed by the object such as stone or concrete block, it exists quality large, and not only cost of transportation is high and cost is also very high; And waste plastic bottle is due to it, to have quality light, and the feature that hard degradation is difficult for being corroded is fish shelter if can utilize waste plastic bottle to build to be suitable for the device that aquatile perches, and not only cost of manufacture is low, and can effectively solve the problem of waste plastic bottle; Thereby how to utilize waste plastic bottle to build to be suitable for the device that aquatile perches be very significant.
Summary of the invention
The object of the invention is the easy corrosion existing in the fish shelter in order to overcome prior art, or making, problem that cost of transportation is high, provide that one is not only made, cost of transportation is low, be difficult for being corroded; And easy to make, assembled versatility is got well and is beneficial to the artificial constructed aquatile of waste plastic bottle that utilizes that aquatile perches and perches device.
Technical scheme of the present invention is:
Artificial constructed aquatile perches a device, comprises prefabricated connector and some the first waste plastic bottles, and described prefabricated connector comprises prefabricated board and some connecting rods that is evenly distributed on also past extension on prefabricated board periphery; The bottle bottom opening of described the first waste plastic bottle, each the first waste plastic bottle is fixed on the end of each connecting rod by its bottleneck socket.
This programme utilize waste plastic bottle corrosion-resistant, quality is light, and itself has the feature of cavity; By prefabricated connector, some the first waste plastic bottles are connected, and the first waste plastic bottle bottle bottom opening; Dropped into seabed and can be formed that to be beneficial to the device that aquatile perches be fish shelter.Prefabricated connector not only can play the effect of connection, the effect of all right its counterweight.Formation is suitable for the place that aquatile perches by cavity in each bottle and the gap mutually overlapping between the first waste plastic bottle together.
On the other hand, this programme utilizes the bottleneck socket of waste plastic bottle to be fixed on the end of each connecting rod, and it is easy to make, and has screw thread or do not establish threaded plastic bottle and carry out assembledly applicable to various bottlenecks, has the advantages that versatility is good.
As preferably, in the first waste plastic bottle of each bottle of bottom opening, have at least on a plastic bottle and have some to be strip antenna from its bottle of bottom opening end toward interior clipping, and the root of each antenna is positioned at the bottle middle part of the first waste plastic bottle; Each antenna extends expansion toward the first waste plastic bottle surrounding.
On the bottle of this programme, by bottle, the end one side cutting has some to be strip antenna, and each antenna extends expansion toward the first waste plastic bottle surrounding; This is conducive to halobiontic apposition growth, forms a large amount of marine organisms on waste plastic bottle, and then draws a large amount of fish formation fishing grounds.
As preferably, comprise main body rod member, one end of main body rod member is provided with positive stop, and the other end is provided with screw thread and screw thread is provided with locking nut; One plate face of described prefabricated board is provided with the perpendicular structure bar of some and plate face prefabricated board, and respectively builds bar and be uniformly distributed setting along Ban Mian edge, its place, and prefabricated board middle part is also provided with connecting hole; On described main body rod member side by side be provided with some above-mentioned prefabricated connectors, and each prefabricated connector is set on main body rod member by the connecting hole on its prefabricated board; On described main body rod member, the plate face of the prefabricated board adjacent with positive stop is resisted against on positive stop, and on main body rod member, the plate face of the prefabricated board adjacent with locking nut is resisted against on locking nut end face; Structure bar on described each prefabricated board is towards the same side, and the end of structure bar on each prefabricated board is resisted against on the plate face of the prefabricated board being adjacent; On main body rod member, two-phase neighbour's prefabricated board is suitable for common formation of structure bar therebetween the cylinder mould that fish perch arbitrarily.
This programme utilize main body rod member as skeleton by some prefabricated connectors being serially connected side by side, and be fixed by locking nut, and then form a Stability Analysis of Structures having and be suitable in a large number gap that aquatile perches and the three-dimensional space structure of cavity; Not only making, easy for installation, and be suitable for batch making.Especially structure bar wherein not only plays the position-limiting action to each prefabricated connector, and the prefabricated board at structure bar and its two ends also jointly forms and is suitable for the cylinder mould that fish perch.
As preferably, on main body rod member, lean on one end of positive stop to be provided with balancing weight, and balancing weight is connected with main body rod member by rope; One end by screw thread on described main body rod member is provided with balancing weight buoyant device, the buoyancy of this buoyant device be greater than main body rod member and on each prefabricated connector and the gravity sum of the first waste plastic bottle, and the buoyancy of this buoyant device be less than main body rod member and on each prefabricated connector, the gravity sum of the first waste plastic bottle and balancing weight.
The position that current artificial fish shelter is rendered to seabed is all random, uncontrollable, thereby fish shelter is normally stacked by a large amount of fish shelter monomers at present, and a large amount of interstitial space of random formation; This for as how fish shelter monomer still less construct more, to be suitable for the place that fish perch be more greatly disadvantageous, this also causes the economy of current fish shelter not good.
The device of perching of this programme utilizes main body rod member as skeleton, utilize buoyant device and balancing weight to be arranged on the two ends of main body rod member, and the buoyancy of this buoyant device be less than main body rod member and on each prefabricated connector, the gravity sum of the first waste plastic bottle and balancing weight; When this perches device in input like this, can limit in the distribution in seabed perching device, make main body rod member be vertical state; And then the whole device of perching is towered in seabed, can farthest improve and perch the three dimensions that device occupies; And simulated sea bottom coral reef forms and is suitable in a large number the place that aquatile perches, multiplies at seabed structure with the minimum device of perching.
As preferably, in the first waste plastic bottle, have in a plastic bottle and in bottle end direction, be provided with side by side some layers from its bottleneck easily by the ferrous metal layer of seawater corrosion, the thickness of each ferrous metal layer is between 0.21 to 0.53 millimeter; Each ferrous metal layer is connected with the first waste plastic bottle inner wall sealing, and is tightly connected between the bottleneck of this first waste plastic bottle and connecting rod; Between its bottleneck and adjacent ferrous metal layer and form airtight cultivation cavity between adjacent two ferrous metal layers, in each airtight cultivation cavity, be equipped with respectively sawdust and some algae spores in this first waste plastic bottle; A bottle bottom opening end for this first waste plastic is provided with envelope and hides the scrim layer of this port, between this scrim layer and adjacent ferrous metal layer, is also provided with sawdust and some algae spores.
This programme utilizes plastic bottle to be difficult for being corroded, and ferrous metal layer is easily by the feature of seawater corrosion, has made the algae culture ware of this programme.The rate of corrosion of common iron and steel in seawater is that between annual 0.1 to 0.2 millimeter, its darkest hot spot can reach 0.2 to 0.65 millimeter; Thereby the thickness of the ferrous metal layer of this programme is between 0.21 to 0.53 millimeter, make after ferrous metal layer and contact with sea water, roughly in 1 year, can be penetrated by seawater corrosion, and then make the algae sporocyst sea water immersion in the airtight cultivation cavity after this ferrous metal layer, and as nutrition base, algae spore is grown by sawdust in suitable season.
This programme in plastic bottle from bottle bottom opening toward interior side by side some layers of ferrous metal layer are set; To be corroded successively year by year toward interior each ferrous metal layer from bottle bottom opening in plastic bottle in order to make, and then make algae spore in each airtight cultivation cavity year by year successively by sea water immersion, and sawdust can form nutrition base, algae spore is grown in suitable season; Thereby this programme perch device be thrown into behind seabed for successive years in can grow year by year algae, and then initiatively attract a large amount of marine organisms to form fishing ground.
As preferably, the spacing between adjacent two ferrous metal layers is between 2 to 4.5 millimeters.
As preferably, in the middle part of the end face of connecting rod, be provided with spliced eye; In described the first waste plastic bottle, be also provided with the second waste plastic bottle of bottle bottom opening, the fixing shank that is provided with in the bottleneck of the second waste plastic bottle; Shank is multidiameter shape, and one end that on shank, cross-sectional area is larger is plugged in the bottleneck of the second waste plastic bottle, and one end that cross-sectional area is less is positioned at the second waste plastic bottle outside and is plugged in spliced eye; A bottle bottom opening end for described the second waste plastic bottle is positioned at the bottle middle part of the first waste plastic bottle, and the bottle bottom opening area of the second waste plastic bottle be the first waste plastic bottle bottle bottom opening area 1/4 to 1/2 between.
This programme is by sheathed plastic bottle on waste plastic bottle, forms multi-level, complicatedly, and is applicable to the place that the big or small fish of various differences perch, live.Because the bottle end of the second waste plastic bottle is positioned at the bottle middle part of the first waste plastic bottle, and the bottle bottom opening area of the second waste plastic bottle be the first waste plastic bottle bottle bottom opening area 1/4 to 1/2 between; It has following benefit: one, in the first waste plastic bottle at the bottom of its bottle with bottle end of the second waste plastic bottle between cavity, can be used as the perching of larger fish, life area; Its two, the second waste plastic bottle can construct the cavity of a small volume in the first waste plastic bottle, be applicable to as taking refuge of small fish perch in one's power, life area; They are three years old, between the second waste plastic bottle and the first waste plastic bottle, also will form an annular housing, at the bottom of gap ratio the second waste plastic bottle bottle between the inside and outside wall of this annular housing, bore is less, its be applicable to as the sanctuary of less juvenile fish and perch, life area.
On the other hand, the shank of multidiameter shape, can be fixed on the second waste plastic bottle the spliced eye of connecting rod end face easily as connecting rod.
As preferably, the bottle of first, second waste plastic bottle is provided with some through holes, and the cross-sectional area of this through hole be the second waste plastic bottle bottle bottom opening area 1/10 to 1/4 between.
The invention has the beneficial effects as follows: utilize aquatile that waste plastic bottle is built to perch that device is not only made, cost of transportation is low, be difficult for being corroded; And easy to make, and have screw thread or do not establish threaded plastic bottle and carry out assembledly applicable to various bottlenecks, have the advantages that versatility is good.
Brief description of the drawings
Fig. 1 is a kind of structural representation at prefabricated connector of the present invention place.
Fig. 2 is a kind of cross-sectional view that inside is provided with the first waste plastic bottle place of the second waste plastic bottle.
Fig. 3 is a kind of cross-sectional view that inside is provided with the first waste plastic bottle place of sawdust and some algae spores.
Fig. 4 is a kind of structural representation that a kind of artificial constructed aquatile of the present invention perches device.
In figure: prefabricated connector 1, prefabricated board 2, connecting rod 3, the first waste plastic bottle 4, connecting hole 5, structure bar 6, antenna 7, the second waste plastic bottle 8, shank 9, ferrous metal layer 10, airtight cultivation cavity 11, scrim layer 12, main body rod member 13, locking nut 14, balancing weight 15, buoyant device 16.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As Figure 1 and Figure 4, a kind of artificial constructed aquatile perches device, comprises main body rod member 13, prefabricated connector 1 and some the first waste plastic bottles 4.Prefabricated connector 1 comprises prefabricated board 2 and some connecting rods 3 that is evenly distributed on also past extension on prefabricated board periphery.Prefabricated board 2 is rounded, and each connecting rod 3 radially extends along prefabricated board.Prefabricated board 2 middle parts are provided with connecting hole 5.One plate face of prefabricated board 2 is provided with the perpendicular structure bar 6 of some and plate face prefabricated board, and respectively builds bar 6 and be uniformly distributed setting along Ban Mian edge, its place.Described prefabricated board 2, each connecting rod 3 and respectively build bar 6 structure that is formed in one, and its material is plastics.The complete opening in the bottle end of the first waste plastic bottle 4, and each the first waste plastic bottle 4 is fixed on the end of each connecting rod 3 by its bottleneck socket.
In the first waste plastic bottle 4 on each prefabricated connector 1, have on a plastic bottle and have some to be strip antenna 7 from its bottle of bottom opening end toward interior clipping, and the root of each antenna is positioned at the bottle middle part of the first waste plastic bottle 4.Each antenna extends expansion toward the first waste plastic bottle surrounding.
As shown in Figure 2, the end face of connecting rod 3 middle part is provided with spliced eye.In the first waste plastic bottle 4, be also provided with the second waste plastic bottle 8 of bottle bottom opening.The fixing shank 9 that is provided with in the bottleneck of the second waste plastic bottle 8.Shank 9 is multidiameter shape, and one end that on shank 9, cross-sectional area is larger is plugged in the bottleneck of the second waste plastic bottle 8, and one end that cross-sectional area is less is positioned at the second waste plastic bottle 8 outsides and is plugged in spliced eye.The bottle bottom opening end of the second waste plastic bottle 8 is positioned at the bottle middle part of the first waste plastic bottle 4, and the bottle bottom opening end of the second waste plastic bottle 8 is in the bottleneck of the first waste plastic bottle 4 and the centre position at the bottle end.The bottle bottom opening area of the second waste plastic bottle 8 be the first waste plastic bottle 4 bottle bottom opening area 1/4 to 1/2 between.The bottle of first, second waste plastic bottle is provided with some through holes.The cross-sectional area of this through hole be the second waste plastic bottle bottle bottom opening area 1/10 to 1/4 between; Specifically, the through hole sectional area on the bottle of the first waste plastic bottle be the through hole sectional area on the bottle of 1/5, the second waste plastic bottle of the bottle bottom opening area of the second waste plastic bottle be the second waste plastic bottle bottle bottom opening area 1/10.
As shown in Figure 1, Figure 3, in the first waste plastic bottle 4 on each prefabricated connector 1, have in a plastic bottle and in bottle end direction, be provided with side by side some layers from its bottleneck easily by the ferrous metal layer 10 of seawater corrosion.The thickness of each ferrous metal layer is between 0.21 to 0.53 millimeter.Each ferrous metal layer 10 is connected with the first waste plastic bottle 4 inner wall sealings, and is tightly connected between the bottleneck of this first waste plastic bottle 4 and connecting rod 3.Spacing between adjacent two ferrous metal layers 10 is 7 millimeters.In this first waste plastic bottle 4 between its bottleneck and adjacent ferrous metal layer and form airtight cultivation cavity 11 between adjacent two ferrous metal layers.In each airtight cultivation cavity, be equipped with respectively sawdust and some algae spores.A bottle bottom opening end for this first waste plastic is provided with envelope and hides the scrim layer 12 of this port, between this scrim layer and adjacent ferrous metal layer 10, is also provided with sawdust and some algae spores.
The material of above-mentioned ferrous metal layer 10 can be set to " Ni2.5CrCu cast iron ", and the thickness of this ferrous metal layer is between 0.35 to 0.38 millimeter.Because the rate of corrosion of Ni2.5CrCu cast iron in seawater is that between annual 0.14 to 0.18 millimeter, its darkest hot spot can reach 0.4 to 0.45 millimeter; Thereby the thickness of this ferrous metal layer is between 0.35 to 0.4 millimeter, make, after this ferrous metal layer and contact with sea water, roughly in 1 year, can be penetrated by seawater corrosion.The material of above-mentioned ferrous metal layer can also be set to " CuCr spheroidal graphite cast-iron ", and the thickness of this ferrous metal layer is between 0.5 to 0.52 millimeter.Because the rate of corrosion of CuCr spheroidal graphite cast-iron in seawater is that between annual 0.15 to 0.19 millimeter, its darkest hot spot can reach 0.6 to 0.7 millimeter; Thereby the thickness of this ferrous metal layer is between 0.5 to 0.52 millimeter, make, after this ferrous metal layer and contact with sea water, roughly in 1 year, can be penetrated by seawater corrosion.
As shown in Figure 4, one end of main body rod member 13 is provided with positive stop, and the other end is provided with screw thread and screw thread is provided with locking nut 14.On main body rod member 13 side by side be provided with some above-mentioned prefabricated connectors 1, and each prefabricated connector 1 is set on main body rod member 13 by the connecting hole 5 on its prefabricated board 2.Structure bar 6 on each prefabricated board 2 is towards the same side, and the end of structure bar 6 on each prefabricated board is resisted against on the plate face of the prefabricated board 2 being adjacent.On main body rod member 13, the plate face of the prefabricated board 2 adjacent with positive stop is resisted against on positive stop.On main body rod member 13, the plate face of the prefabricated board 2 adjacent with locking nut 14 is resisted against on locking nut end face.On main body rod member 13, two-phase neighbour's prefabricated board 2 is suitable for common formation of structure bar 6 therebetween the cylinder mould that fish perch arbitrarily.
One end by positive stop on main body rod member 13 is provided with balancing weight 15, and balancing weight is connected with main body rod member by rope.One end by screw thread on main body rod member 13 is provided with buoyant device 16.Buoyant device is connected with main body rod member by rope, and buoyant device 16 is made up of some waste plastic bottles with closed cavity.The buoyancy of this buoyant device 16 be greater than main body rod member 13 and on each prefabricated connector 1 and the gravity sum of the first waste plastic bottle 4, and the buoyancy of this buoyant device 16 be less than main body rod member 13 and on each prefabricated connector 1, the first waste plastic bottle 4 and the gravity sum of balancing weight 15.
The device of perching of the present invention directly drops into seabed and can form aquatile and perch device.Due to the buoyancy of buoyant device 16 be greater than main body rod member 13 and on each prefabricated connector 1 and the gravity sum of the first waste plastic bottle 4, and the buoyancy of this buoyant device 16 be less than main body rod member 13 and on each prefabricated connector 1, the first waste plastic bottle 4 and the gravity sum of balancing weight 15; When this perches device in input like this, can limit in the distribution in seabed perching device, make main body rod member 13 be vertical state; And then the whole device of perching is towered in seabed, can farthest improve and perch the three dimensions that device occupies; And simulated sea bottom coral reef forms and is suitable in a large number the place that aquatile perches, multiplies at seabed structure with the minimum device of perching.

Claims (7)

1. an artificial constructed aquatile perches device, it is characterized in that, comprise prefabricated connector (1), main body rod member (13) and some the first waste plastic bottles (4), described prefabricated connector comprises prefabricated board (2) and some connecting rods (3) that is evenly distributed on also past extension on prefabricated board periphery; The bottle bottom opening of described the first waste plastic bottle, each the first waste plastic bottle (4) is fixed on the end of each connecting rod by its bottleneck socket;
In described the first waste plastic bottle (4), having at least is had some on a plastic bottle and is strip antenna (7) from its bottle of bottom opening end toward interior clipping, and the root of each antenna is positioned at the bottle middle part of the first waste plastic bottle; Each antenna extends expansion toward the first waste plastic bottle surrounding;
One end of main body rod member is provided with positive stop, and the other end is provided with screw thread and screw thread is provided with locking nut (14); One plate face of described prefabricated board (2) is provided with the perpendicular structure bar (6) of some and plate face prefabricated board, and respectively builds bar and be uniformly distributed setting along Ban Mian edge, its place, and prefabricated board middle part is also provided with connecting hole (5); On described main body rod member (13) side by side be provided with some above-mentioned prefabricated connectors, and each prefabricated connector is set on main body rod member by the connecting hole on its prefabricated board; The plate face of the upper prefabricated board adjacent with positive stop of described main body rod member (13) is resisted against on positive stop, and on main body rod member, the plate face of the prefabricated board adjacent with locking nut is resisted against on locking nut end face; Structure bar (6) on described each prefabricated board (2) is towards the same side, and the end of structure bar on each prefabricated board is resisted against on the plate face of the prefabricated board being adjacent; The upper any two-phase neighbour's of main body rod member (13) prefabricated board (2) is suitable for common formation of structure bar (6) therebetween the cylinder mould that fish perch.
2. a kind of artificial constructed aquatile according to claim 1 perches device, it is characterized in that, the one end by positive stop on described main body rod member is provided with balancing weight (15), and balancing weight is connected with main body rod member by rope; One end by screw thread on described main body rod member is provided with buoyant device (16), the buoyancy of this buoyant device be greater than main body rod member and on each prefabricated connector and the gravity sum of the first waste plastic bottle, and the buoyancy of this buoyant device be less than main body rod member and on each prefabricated connector, the gravity sum of the first waste plastic bottle and balancing weight.
3. a kind of artificial constructed aquatile according to claim 1 perches device, it is characterized in that, in described the first waste plastic bottle (4), have in a plastic bottle and in bottle end direction, be provided with side by side some layers from its bottleneck easily by the ferrous metal layer (10) of seawater corrosion, the thickness of each ferrous metal layer is between 0.21 to 0.53 millimeter; Each ferrous metal layer is connected with the first waste plastic bottle inner wall sealing, and is tightly connected between the bottleneck of this first waste plastic bottle and connecting rod; Between its bottleneck and adjacent ferrous metal layer and form airtight cultivation cavity (11) between adjacent two ferrous metal layers, in each airtight cultivation cavity, be equipped with respectively sawdust and some algae spores in this first waste plastic bottle; A bottle bottom opening end for this first waste plastic is provided with envelope and hides the scrim layer (12) of port, between this scrim layer and adjacent ferrous metal layer, is also provided with sawdust and some algae spores.
4. a kind of artificial constructed aquatile according to claim 3 perches device, it is characterized in that, the spacing between adjacent two ferrous metal layers is between 6 to 8 millimeters.
5. a kind of artificial constructed aquatile according to claim 1 and 2 perches device, it is characterized in that, the end face middle part of described connecting rod (3) is provided with spliced eye; In described the first waste plastic bottle, be also provided with second waste plastic bottle (8) of bottle bottom opening, the fixing shank (9) that is provided with in the bottleneck of the second waste plastic bottle; Shank is multidiameter shape, and one end that on shank, cross-sectional area is larger is plugged in the bottleneck of the second waste plastic bottle, and one end that cross-sectional area is less is positioned at the second waste plastic bottle outside and is plugged in spliced eye; A bottle bottom opening end for described the second waste plastic bottle (8) is positioned at the bottle middle part of the first waste plastic bottle, and the bottle bottom opening area of the second waste plastic bottle be the first waste plastic bottle bottle bottom opening area 1/4 to 1/2 between.
6. a kind of artificial constructed aquatile according to claim 5 perches device, it is characterized in that, the bottle of described first, second waste plastic bottle is provided with some through holes, and the cross-sectional area of this through hole be the second waste plastic bottle bottle bottom opening area 1/10 to 1/4 between.
7. a kind of artificial constructed aquatile according to claim 1 and 2 perches device, it is characterized in that, the bottle of described the first waste plastic bottle is provided with some through holes.
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