CN111387116B - Method and device for controlling and utilizing hydro-fluctuation belt of reservoir - Google Patents
Method and device for controlling and utilizing hydro-fluctuation belt of reservoir Download PDFInfo
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- CN111387116B CN111387116B CN202010315555.0A CN202010315555A CN111387116B CN 111387116 B CN111387116 B CN 111387116B CN 202010315555 A CN202010315555 A CN 202010315555A CN 111387116 B CN111387116 B CN 111387116B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000013049 sediment Substances 0.000 claims abstract description 104
- 241000252234 Hypophthalmichthys nobilis Species 0.000 claims abstract description 80
- 241000237858 Gastropoda Species 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000009395 breeding Methods 0.000 claims abstract description 14
- 230000001488 breeding effect Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 29
- 239000000945 filler Substances 0.000 claims description 28
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 235000013305 food Nutrition 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 241000196324 Embryophyta Species 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003864 humus Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 235000015097 nutrients Nutrition 0.000 abstract description 2
- 241000269319 Squalius cephalus Species 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 241000195493 Cryptophyta Species 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 230000000050 nutritive effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 108010028690 Fish Proteins Proteins 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000252232 Hypophthalmichthys Species 0.000 description 1
- 241000192710 Microcystis aeruginosa Species 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a method and a device for treating and utilizing a water-level-fluctuating zone of a reservoir, which comprises a silver carp and bighead carp sediment collecting device and a snail offspring seed cultivating device: a layer of dense net is arranged on the outer side of the bottom of the middle culture net cage for silver carp and bighead carp fries, a cone-shaped dirt collecting bucket is arranged on the outer side of the dense net, and a suction device capable of sucking sediment is arranged inside the tail end of the dirt collecting bucket. The snail offspring seed cultivating net cage of snail offspring seed cultivating device has sediment stuffing box in the bottom, stuffing is laid inside the stuffing box, and the sucking device is connected via pipeline to the sediment stuffing box to suck sediment into the stuffing. The invention sucks the sediment at the bottom of the middle culture net cage of the chub and bighead carp fries, prevents the sediment from being decomposed by microorganisms and returns to the water body in the form of nutrient salt again, thereby achieving the effect of purifying the water body; the sucked sediment provides bait for the snails, solves the problem of bait supply for artificial breeding of the snails, and saves the breeding cost.
Description
Technical Field
The invention relates to a method and a device for treating and utilizing a water-level-fluctuating zone of a reservoir, belonging to the technical field of fishery treatment.
Background
The water purification fishery is an effective method for protecting and restoring the water quality of reservoirs, which is raised in recent years, along with the effective treatment of industrial pollution, the nutrition load of most reservoir areas mainly comes from agriculture and living non-point source pollution, the water quality of reservoir areas mainly depends on nitrogen and phosphorus nutrient salts, such as eutrophication of water bodies to a certain extent, algae can be greatly propagated under proper conditions to form water bloom, and sometimes serious peculiar smell is caused to influence drinking water sources, so that the health of human beings is endangered.
The water purifying fishery is based on the nutrition relation of food nets in an aquatic ecological system, and utilizes a reasonable fishery mode to reduce the density of algae and improve the transparency of water. Silver carp and bighead carp are used as part of an ecological system food network, and algae, zooplankton, organic debris and the like are used as foods. The silver carp and bighead carp have influence on nitrogen and phosphorus in water, on one hand, when harvesting, part of nitrogen and phosphorus are taken away from the system in the form of fish protein, and the silver carp and bighead carp account for about 3.01% and 5.28% of total nitrogen. More importantly, plankton is converted to stool (containing algae clusters, etc.) by a filter feeding action that is much greater than the direct removal of fish catch. However, the sediment such as the feces formed by silver carp, bighead carp and the like can be decomposed by microorganisms in the water body, and returns to the water body again in the form of nutritive salt, so that how to collect and effectively utilize the sediment by an economically feasible means and accelerate the removal effect of nitrogen and phosphorus is one of the problems which need to be solved in the development of water purification fishery.
Snails (collectively called as river snails, dan Luo and the like) are emerging paddy field breeding varieties in Guangxi province, and mainly provide raw material products for snail powder in Guangxi province industry, one of the main bottlenecks of current industry development is batch supply of artificial snail seedlings, and a traditional breeding integrated mode is to put seed snails in paddy fields for natural breeding, so that breeding time is long, survival rate is low, quality of seedlings is not guaranteed, breeding density is not clear, and technology is difficult to standardize. However, artificial seedling breeding is difficult to solve the bait supply problem. The initial stage of the snail offspring has the characteristics of filter feeding and scraping feeding, mainly depends on the ingestion of benthic diatom and fine humus in natural water, has higher cost and technical requirements for cultivating biological bait and concentrating in the artificial breeding process, and restricts the development of snail offspring industry; the pool area is urgently needed to collect and utilize the sediment, and if the snails can be reasonably cultivated in the pool area to treat and utilize the sediment, the method is a multi-purpose technical means.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method and a device for treating and utilizing a water level fluctuation belt of a reservoir, which can generate a large amount of sediments such as feces in a water area where silver carp and bighead carp are cultivated in the reservoir, and the sediments are decomposed by microorganisms in the water body and return to the water body again in the form of nutritive salt to form the water level fluctuation belt of the reservoir; the invention reasonably breeds the snails in the reservoir area, not only treats the sediment, purifies the water body, but also provides bait for the snails; not only reduces the economic investment, but also enlarges the economic income, and has multiple purposes.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention firstly provides a method for treating and utilizing a water level fluctuating zone of a reservoir, which comprises the following steps:
(1) Setting silver carp and bighead carp sediment collecting device: a layer of dense net is arranged at the outer side of the bottom of the middle culture net cage for silver carp and bighead carp fries, and a cone-shaped dirt collecting bucket is arranged at the outer side of the dense net; the upper bottom of the dirt collecting bucket is circular or elliptical, is connected with the bottom of the middle culture net cage for silver carp fries and bighead carp fries through a connecting piece, is conical at the tail end, and is internally provided with a suction device capable of sucking sediment;
(2) Set up spiral shell seed breeding device: a rectangular net cage frame is made by 12 frame supports, then the net is sewn around the net cage frame, and the net is not sewn on the upper bottom and the lower bottom of the net cage frame; the water-proof material is made into a cuboid box body without an upper bottom as a sediment filling box, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole; paving a layer of filler at the bottom of the sediment filler box, and uniformly arranging floats at the upper part of the periphery of the net cage frame, so that the upper edge of the sediment filler box exceeds the water surface; the suction device is communicated with the sediment filling box through a pipeline, so that sucked sediment can be directly flushed into the filling;
(3) Deposit utilization: spreading snail fries in the filler in the sediment filler box, then starting a suction device, sucking sediment out by using the suction device and directly flushing the sediment into the filler in the sediment filler box; snail offspring has the characteristics of filtering and scraping food, and the benthic diatom and the fine humus in the sediment are ingested to proliferate.
In the above technical scheme, in the step (1), since the feed is not fed during the middle cultivation of the silver carps and bighead carps in the water purification fishery, the bottom area of the net cage is large, and the bottom area is preferably 10m×10m wide.
In the technical scheme, in the step (1), the dense net is made of polyethylene material, the area of the dense net is the same as that of the bottom of the middle culture net cage for silver carp fries, and the meshes of the dense net are 1mm.
In the above technical scheme, in the step (1), the overall height of the dirt collecting bucket is 1-1.5m, and the diameter of the upper bottom is 3-5m.
In the above technical solution, in step (1), the suction device uses electric power to provide suction power; the suction device is powered by a solar storage battery.
In the above technical scheme, in the step (2), the cage frame is made of pvc material or bamboo material; the length and the width are not more than 8 meters, and the height is not more than 0.5 meter, so as to prevent deformation under the action of water flow.
In the above technical scheme, in the step (2), the material of the netting is polyethylene material, and the mesh is 1mm.
In the above technical scheme, in the step (2), the material of the sediment stuffing box is preferably aluminum plastic plate or tarpaulin, and the height of the sediment stuffing box is 15cm.
In the technical scheme, in the step (2), the filler is calcium carbonate particles and/or plant fibers, and the thickness is 3cm.
In the above technical solution, in the step (3), the suction device is provided with an automatic switch device, and the automatic switch is turned on every 8 hours, and the time for sucking the sediment every time is 30 minutes.
In the technical proposal, in the step (3), the seed density of the snail is 400-1000/m 2 Preferably 800-1000 pieces/m 2 。
The invention also provides a device for treating and utilizing the reservoir hydro-fluctuation belt, which comprises a silver carp and bighead carp sediment collecting device and a snail offspring seed cultivating device, and is characterized in that:
the silver carp and bighead carp sediment collecting device is characterized in that a layer of dense net is arranged on the outer side of the bottom of a silver carp and bighead carp fry intermediate cultivation net box, and a cone-shaped dirt collecting bucket is arranged on the outer side of the dense net; the upper bottom of the dirt collecting bucket is round or oval, and is connected with the bottom of the middle culture net cage for silver carp fries through a connecting piece; the tail end is conical, and a suction device capable of sucking sediment is arranged in the tail end;
the snail offspring seed cultivating device is characterized in that the snail offspring seed cultivating net cage is arranged as a main body, and a sediment stuffing box is arranged at the bottom of the snail offspring seed cultivating net cage: the snail offspring seed cultivation net cage comprises a cuboid net cage frame and net clothes sewn on the periphery of the net cage frame, wherein floats are uniformly arranged on the upper part of the periphery of the net cage frame; the sediment stuffing box is a cuboid box body without an upper bottom, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole;
the sediment stuffing box is internally paved with stuffing, and the suction device is communicated with the sediment stuffing box through a pipeline, so that sucked sediment is directly flushed into the stuffing.
In the technical scheme, the bottom area of the middle culture net cage for the silver carp fries is preferably 10m long by 10m wide.
In the technical scheme, the dense net is made of polyethylene material, the area of the dense net is the same as that of the bottom of the middle culture net cage for silver carp and bighead carp fries, and the meshes of the dense net are 1mm.
In the technical scheme, the integral height of the sewage collecting bucket is 1-1.5m, and the diameter of the upper bottom is 3-5m.
In the above technical solution, the suction device uses electric power to provide suction power; the suction device is powered by a solar storage battery.
In the above technical scheme, the suction device is provided with an automatic switch device, the automatic switch is turned on every 8 hours, and the time for sucking sediment every time is 30 minutes.
In the technical scheme, the net cage frame is made of pvc material or bamboo material; the length and the width are not more than 8 meters, and the height is not more than 0.5 meter.
In the technical scheme, the netting is made of polyethylene material, and meshes are 1mm.
In the above technical scheme, the sediment stuffing box is made of watertight material, preferably aluminum-plastic plate or tarpaulin; the height of the sediment stuffing box is 15cm.
In the technical scheme, the filler is calcium carbonate particles and/or plant fibers, and the thickness of the filler is 3cm.
The invention has the technical advantages that: sediment at the bottom of the middle culture net cage of the silver carp and bighead carp fries is sucked away, so that the sediment is prevented from being decomposed by microorganisms and returned to the water body in the form of nutritive salt again, and the effect of purifying the water body is achieved; the sucked sediment provides bait for the snails, solves the problem of bait supply for artificial breeding of the snails, and saves the breeding cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a device for controlling and utilizing a hydro-fluctuation belt of a reservoir according to the present invention;
wherein: 1 is a silver carp and bighead carp fingerling intermediate cultivation net cage, 2 is a dense net, 3 is a dirt collecting bucket, 4 is a suction device, 5 is a snail fingerling cultivation net cage, and 6 is a sediment stuffing box.
Detailed Description
The following detailed description of the technical scheme of the present invention is provided, but the present invention is not limited to the following descriptions:
the invention firstly provides a treatment and utilization device of a reservoir hydro-fluctuation belt, which comprises a silver carp and bighead carp sediment collection device and a snail offspring seed cultivation device, as shown in figure 1:
the silver carp and bighead carp sediment collecting device is characterized in that a layer of dense net 2 is arranged on the outer side of the bottom of a silver carp and bighead carp offspring seed intermediate cultivation net cage 1, and a cone-shaped dirt collecting hopper 3 is arranged on the outer side of the dense net; the upper bottom of the dirt collecting bucket 3 is round or oval, and is connected with the bottom of the middle culture net cage for silver carp fries through a connecting piece; the tail end is conical, and a suction device 4 capable of sucking sediment is arranged inside the tail end;
the snail offspring seed cultivating device is characterized in that the snail offspring seed cultivating net cage 5 is arranged on the main body, and a sediment stuffing box 6 is arranged at the bottom of the snail offspring seed cultivating net cage: the snail offspring seed cultivation net cage comprises a cuboid net cage frame and net clothes sewn on the periphery of the net cage frame, wherein floats are uniformly arranged on the upper part of the periphery of the net cage frame; the sediment stuffing box is a cuboid box body without an upper bottom, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole;
the sediment stuffing box is internally paved with stuffing, and the suction device is communicated with the sediment stuffing box through a pipeline, so that sucked sediment is directly flushed into the stuffing.
In the invention, the bottom area of the middle culture net cage for silver carp fries is preferably 10m long by 10m wide.
In the invention, the dense net is made of polyethylene material, the area of the dense net is the same as that of the bottom of the middle culture net cage for silver carp fries, and the meshes of the dense net are 1mm.
In the invention, the integral height of the sewage collecting bucket is 1-1.5m, and the diameter of the upper bottom is 3-5m.
In the invention, the suction device uses electric power to provide suction power; the suction device is powered by a solar storage battery.
In the invention, the suction device is provided with an automatic switch device, the automatic switch is started every 8 hours, and the time for sucking sediment every time is 30 minutes.
In the invention, the net cage frame is made of pvc material or bamboo material; the length and the width are not more than 8 meters, and the height is not more than 0.5 meter.
In the invention, the net is made of polyethylene material, and the meshes are 1mm.
In the invention, the sediment stuffing box is made of watertight material, preferably aluminum-plastic plate or tarpaulin; the height of the sediment stuffing box is 15cm.
In the invention, the filler is calcium carbonate particles and/or plant fibers, and the thickness of the filler is 3cm.
The invention also provides a method for controlling and utilizing the reservoir hydro-fluctuation belt, which comprises the following steps:
(1) Setting silver carp and bighead carp sediment collecting device: a layer of dense net 2 is arranged at the outer side of the bottom of the middle culture net cage 1 for silver carp and bighead carp fries, and a cone-shaped dirt collecting bucket 3 is arranged at the outer side of the dense net; the upper bottom of the dirt collecting bucket is round or oval, is connected with the bottom of the middle culture net cage for silver carp and bighead carp fries through a connecting piece, is conical at the tail end, and is internally provided with a suction device 4 capable of sucking sediment;
(2) Set up spiral shell seed breeding device: a rectangular net cage frame is made by 12 frame supports, then the net is sewn around the net cage frame, and the net is not sewn on the upper bottom and the lower bottom of the net cage frame; the water-proof material is made into a cuboid box body without an upper bottom as a sediment filling box, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole; paving a layer of filler at the bottom of the sediment filler box, and uniformly arranging floats at the upper part of the periphery of the net cage frame, so that the upper edge of the sediment filler box exceeds the water surface; the suction device is communicated with the sediment filling box through a pipeline, so that sucked sediment can be directly flushed into the filling;
(3) Deposit utilization: the snail offspring seed is sown in the filler in the sediment filler box (the inoculation density is 800-1000 pieces/m) 2 ) Then starting a suction device, sucking out sediment by using the suction device and directly flushing the sediment into the filler of the sediment filler box; snail offspring has the characteristics of filtering and scraping food, and the benthic diatom and the fine humus in the sediment are ingested to proliferate.
The invention is illustrated below in connection with specific examples:
example 1:
a device for treating and utilizing a water-level-fluctuating zone of a reservoir comprises a silver carp and bighead carp sediment collecting device and a snail offspring seed cultivating device:
the silver carp and bighead carp sediment collecting device is characterized in that a layer of dense net 2 is arranged on the outer side of the bottom of a silver carp and bighead carp offspring seed intermediate cultivation net cage 1, and a cone-shaped dirt collecting hopper 3 is arranged on the outer side of the dense net; the upper bottom of the dirt collecting bucket 3 is round or oval, and is connected with the bottom of the middle culture net cage for silver carp fries through a connecting piece; the tail end is conical, and a suction device 4 capable of sucking sediment is arranged inside the tail end; the bottom area of the middle culture net cage for the silver carp fries is 10m long by 10m wide; the dense net is made of polyethylene material, the area of the dense net is the same as that of the bottom of the middle culture net cage for silver carp and bighead carp fries, and the meshes of the dense net are 1mm; the integral height of the sewage collecting hopper is 1.1m, and the diameter of the upper bottom is 4m; the suction device uses electric power to provide suction power, and the solar storage battery provides electric power for the suction device; an automatic switch device is arranged on the device, the automatic switch is started every 8 hours, and the time for sucking sediment every time is 30 minutes;
the snail offspring seed cultivating device is characterized in that the snail offspring seed cultivating net cage 5 is arranged on the main body, and a sediment stuffing box 6 is arranged at the bottom of the snail offspring seed cultivating net cage: the snail offspring seed cultivation net cage comprises a cuboid net cage frame and net clothes sewn on the periphery of the net cage frame, wherein floats are uniformly arranged on the upper part of the periphery of the net cage frame; the sediment stuffing box is a cuboid box body without an upper bottom, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole; the net cage frame is made of pvc material, the area of the lower bottom is 20 square meters (length 5 meters and width 4 meters), and the height is 0.3 meter; the net is made of polyethylene material, and meshes are 1mm; the sediment stuffing box is made of aluminum plastic plates, and the height of the sediment stuffing box is 15cm;
the sediment stuffing box is internally paved with stuffing (calcium carbonate particles, the thickness is 3 cm), and the suction device is communicated with the sediment stuffing box through a pipeline, so that sucked sediment is directly flushed into the stuffing.
Example 2:
a device for treating and utilizing a water-level-fluctuating zone of a reservoir comprises a silver carp and bighead carp sediment collecting device and a snail offspring seed cultivating device:
the silver carp and bighead carp sediment collecting device is characterized in that a layer of dense net 2 is arranged on the outer side of the bottom of a silver carp and bighead carp offspring seed intermediate cultivation net cage 1, and a cone-shaped dirt collecting hopper 3 is arranged on the outer side of the dense net; the upper bottom of the dirt collecting bucket 3 is round or oval, and is connected with the bottom of the middle culture net cage for silver carp fries through a connecting piece; the tail end is conical, and a suction device 4 capable of sucking sediment is arranged inside the tail end; the bottom area of the middle culture net cage for the silver carp fries is 10m long by 10m wide; the dense net is made of polyethylene material, the area of the dense net is the same as that of the bottom of the middle culture net cage for silver carp and bighead carp fries, and the meshes of the dense net are 1mm; the integral height of the sewage collecting hopper is 1.3m, and the diameter of the upper bottom is 3.5m; the suction device uses electric power to provide suction power, the solar storage battery provides electric power for the suction device, an automatic switching device is arranged on the suction device, the automatic switching device is started every 8 hours, and the time for sucking sediment every time is 30 minutes;
the snail offspring seed cultivating device is characterized in that the snail offspring seed cultivating net cage 5 is arranged on the main body, and a sediment stuffing box 6 is arranged at the bottom of the snail offspring seed cultivating net cage: the snail offspring seed cultivation net cage comprises a cuboid net cage frame and net clothes sewn on the periphery of the net cage frame, wherein floats are uniformly arranged on the upper part of the periphery of the net cage frame; the sediment stuffing box is a cuboid box body without an upper bottom, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole; the net cage frame is made of bamboo materials, the area of the lower bottom is 20 square meters (length 5 meters and width 4 meters), and the height is 0.3 meter; the net is made of polyethylene material, and meshes are 1mm; the sediment stuffing box is made of tarpaulin and has a height of 15cm;
the sediment stuffing box is internally paved with stuffing (calcium carbonate particles, the thickness is 3 cm), and the suction device is communicated with the sediment stuffing box through a pipeline, so that sucked sediment is directly flushed into the stuffing.
Example 3:
the apparatus of example 1 was used for abatement: in 2019, the device 2 sets are arranged for use in the Hong Chao river water warehouse in the Hepu county of North sea; the snail fries are put in 4 months and 5 days, young snails with the average weight of about 1 gram are put in 400 snails per square meter, and the average weight of more than 3 grams can be achieved in about 13 days, thereby meeting the requirement of being put in a paddy field.
Example 4:
the apparatus of example 2 was used for abatement: in 2019, the device 2 sets are arranged for use in the Hong Chao river water warehouse in the Hepu county of North sea; the snail fries are put in 4 months and 5 days, young snails with the average weight of about 1 gram are put in according to 800 snails per square meter, the average weight can reach more than 3 grams after 15 days, and the requirement of being put in a paddy field is met.
Example 5:
in 2019, the device is used in a water warehouse of Hong Chao river in the city of Hepu county in North sea, 4 sets of devices are arranged, 2 sets of devices are devices in the embodiment 1, and 2 sets of devices are devices in the embodiment 2; the snail fries are put in on 9 months and 10 days, young snails with the average weight of about 1 gram are put in according to 1000 snails per square meter, and the weight of about 3 grams is put in on a 15 balance, so that the requirements of being put in rice fields are met.
The foregoing examples are merely illustrative of the technical concept and technical features of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made according to the essence of the present invention should be included in the scope of the present invention.
Claims (9)
1. The method for treating and utilizing the hydro-fluctuation belt of the reservoir is characterized by comprising the following steps of:
(1) Setting silver carp and bighead carp sediment collecting device: a layer of dense net (2) is arranged at the outer side of the bottom of the middle culture net cage (1) for silver carp and bighead carp fries, and a cone-shaped dirt collecting bucket (3) is arranged at the outer side of the dense net; the upper bottom of the dirt collecting bucket is round or oval, is connected with the bottom of the middle culture net cage of silver carp and bighead carp fries through a connecting piece, is conical at the tail end, and is internally provided with a suction device (4) capable of sucking sediment;
(2) Set up spiral shell seed breeding device: a rectangular net cage frame is made by 12 frame supports, then the net is sewn around the net cage frame, and the net is not sewn on the upper bottom and the lower bottom of the net cage frame; the water-proof material is made into a cuboid box body without an upper bottom as a sediment filling box, the upper bottom area of the box body is equal to the lower bottom area of the net box frame, and the upper bottom area and the lower bottom area are tightly connected into a whole; paving a layer of filler at the bottom of the sediment filler box, and uniformly arranging floats at the upper part of the periphery of the net cage frame, so that the upper edge of the sediment filler box exceeds the water surface; the suction device is communicated with the sediment filling box through a pipeline, so that sucked sediment can be directly flushed into the filling;
(3) Deposit utilization: spreading snail fries in the filler in the sediment filler box, then starting a suction device, sucking sediment out by using the suction device and directly flushing the sediment into the filler in the sediment filler box; snail offspring has the characteristics of filtering and scraping food, and the benthic diatom and the fine humus in the sediment are ingested to proliferate.
2. The method according to claim 1, characterized in that: in the step (1), the bottom area of the middle culture net cage for the silver carp fries is 10m long by 10m wide; the area of the dense net is the same as that of the bottom of the middle culture net cage for silver carp fries; the dense net is made of polyethylene material, and the meshes are 1mm.
3. The method according to claim 1, characterized in that: in the step (1), the integral height of the sewage collecting hopper is 1-1.5m, and the diameter of the upper bottom is 3-5m.
4. The method according to claim 1, characterized in that: in the step (1), the suction device uses electric power to provide suction power; the suction device is powered by a solar storage battery.
5. The method according to claim 1, characterized in that: in the step (2), the net cage frame is made of pvc material or bamboo material; the length and the width are not more than 8 meters, and the height is not more than 0.5 meter.
6. The method according to claim 1, characterized in that: in the step (2), the net is made of polyethylene material, and the meshes are 1mm.
7. The method according to claim 1, characterized in that: in the step (2), the sediment stuffing box is made of an aluminum plastic plate or tarpaulin, and the height of the sediment stuffing box is 15cm; the filler is calcium carbonate particles and/or plant fibers, and the thickness of the filler is 3cm.
8. The method according to claim 1, characterized in that: in the step (3), the suction device is provided with an automatic switching device, and the automatic switching device is started every 8 hours, and the time for sucking sediment every time is 30 minutes.
9. The method according to claim 1, characterized in that: in the step (3), the seed density of the snail is 400-1000 seeds/m 2 。
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| CN112262809A (en) * | 2020-10-23 | 2021-01-26 | 辽宁农业职业技术学院 | Fish and vegetable symbiotic device |
| CN115500293B (en) * | 2022-09-30 | 2024-05-14 | 广西巴马鑫坚实业集团有限公司 | Spiral shell net cage culture method |
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