CN113197152B - Fish swimming back system - Google Patents
Fish swimming back system Download PDFInfo
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- CN113197152B CN113197152B CN202110399540.1A CN202110399540A CN113197152B CN 113197152 B CN113197152 B CN 113197152B CN 202110399540 A CN202110399540 A CN 202110399540A CN 113197152 B CN113197152 B CN 113197152B
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- 230000009182 swimming Effects 0.000 title claims description 11
- 241000251468 Actinopterygii Species 0.000 claims abstract description 235
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 239000010865 sewage Substances 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000006213 oxygenation reaction Methods 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001617 migratory effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 235000015170 shellfish Nutrition 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/10—Cleaning bottoms or walls of ponds or receptacles
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/02—Receptacles specially adapted for transporting live 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Zoology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a fish swimming-back system, which comprises a recovery module for collecting fish sewage and a classification module for separating fish in the fish sewage from other impurities, wherein the recovery module is communicated with the classification module, and the classification module is communicated with an external water source; a collecting device for filtering and collecting the fish sewage in the water and a fish sewage collecting hopper for collecting the fish sewage are arranged in the recovery module, and the fish sewage collecting hopper is communicated with the classification module through a conveying channel; the classification module comprises a separation tank for separating fishes and other impurities in the fish sewage and a fishing device for fishing the fishes and returning the fishes to an external water source, wherein the fishing device is arranged in the separation tank. According to the invention, the recovery module and the classification module which are communicated with each other are arranged, so that fish is separated and transported after fish sewage is collected, and finally the fish is discharged to an external water source, thereby achieving the purposes of reducing the garbage treatment burden of the nuclear power station and protecting marine organisms.
Description
Technical Field
The invention relates to the technical field of sewage treatment of power plants, in particular to a fish swimming-back system.
Background
At present, the circulating cooling water of domestic large-scale coastal power plants mostly adopts a seawater direct-flow cooling mode, the cooling mode needs a large amount of circulating water, for example, a million kilowatt nuclear power unit, the circulating water amount is about 60m 3 And(s) in the presence of a catalyst. The marine fishes enter the pump room through the circulating cooling water intake, and the fishes with small size can easily enter the fine filtration area through the coarse grids with large sieve meshes. After entering the fine filtration area, the fish can not pass through a filter screen with fine and dense sieve pores (the diameter of the sieve pores is about 3mm) or return to the sea in a countercurrent way. The shellfish marine life and the filtered impurities are collected by a sewage system of the filter screen together and are treated as biological garbage by a power plant garbage treatment system. The working load of pollution discharge and garbage treatment of the power plant is increased for the fishes entering the circulating water system; on the other hand, if the fishes entering the pump room cannot be timely returned to the sea, the fishes will be returned to the power plant areaThe survival and the propagation of the rare marine fishes generate destructive attack, and the marine ecology protection is greatly influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fish migratory system aiming at the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the fish swimming-back system comprises a recovery module for collecting fish sewage and a classification module for separating fish in the fish sewage from other impurities, wherein the recovery module is communicated with the classification module, and the classification module is communicated with an external water source;
a collecting device for filtering and collecting the fish sewage in the water and a fish sewage collecting hopper for collecting and conveying the fish sewage are arranged in the recovery module, and the fish sewage collecting hopper is communicated with the classification module through a conveying channel;
the classification module comprises a separation tank for separating fishes and other impurities in the fish sewage and a fishing device for fishing the fishes and returning the fishes to an external water source, wherein the fishing device is arranged in the separation tank.
Preferably, collection device includes the conveying frame and fixes at least one on the conveying frame is used for the splendid attire dirty fill of accomodating of fish, the conveying frame drives accomodate the fill and remove in order with accomodate the dirty transport of fish in the fill to dirty collection of fish is fought.
Preferably, the conveying frame is a circular conveying frame, the plurality of containing hoppers are uniformly distributed on the conveying frame along the periphery, a first power device is arranged on the conveying frame, and the plurality of containing hoppers are driven by the first power device to do circular motion perpendicular to the water surface;
the lowest point of the storage hopper on the conveying frame is arranged below the water surface, and the highest point of the storage hopper on the conveying frame is arranged above the water surface.
Preferably, the containing hopper is formed by surrounding a pore plate, a covered edge made of a flexible material is arranged at the edge of the containing hopper, and the flexible material is a corrosion-resistant flexible material.
Preferably, collection device still includes towards the dirty collection fill of fish sprays the first efflux pipe of rivers, first efflux pipe drives through spraying rivers accomodate in the fill dirty entering of fish the dirty collection fill of fish.
Preferably, the fish swimming system further comprises a circulating water pump, the recycling module and the condenser are communicated through the circulating water pump, the recycling module is further provided with a first filter screen for isolating fish dirt in the recycling module, and water filtered by the first filter screen is communicated with the circulating water pump and enters the condenser;
the first filter screen is arranged in the inner periphery of the recovery module to form a filtering space with the periphery closed, and the circulating water pump is communicated with the filtering space.
Preferably, an overflow weir is arranged in the separation tank, the overflow weir divides the separation tank into a front tank and a rear tank, and the front tank is communicated with the conveying channel;
and the fish in the fish sewage enters the rear pond from the front pond through the overflow weir, and the rest impurities in the fish sewage are precipitated in the front pond.
Preferably, the fishing device is arranged in the rear pool, the classification module further comprises a fish collecting plate used for receiving the fished fish and placing the fished fish into an external water source, and the fish collecting plate is communicated with the external water source.
Preferably, the fishing device comprises a support and a plurality of fish lifting plates uniformly distributed on the support, the fish lifting plates are driven by the support to do circular motion on a plane vertical to the water surface by taking the center of the support as the circle center, and the fishing device further comprises a second power device which drives the support to drive the fish lifting plates to move.
Preferably, the fish collecting plate is arranged in the middle of the fishing device, the classification module further comprises water jet flow and a second jet pipe used for enabling the fish on the fish lifting plate to enter the fish collecting plate, and the second jet pipe is arranged above the fish collecting plate.
Preferably, the rear tank further comprises at least one second filter screen, and water in the rear tank is filtered by the second filter screen and then discharged to the external water source;
the fish collecting plate is communicated with an external water source.
Preferably, the fish return system further comprises a recuperation module communicated with the classification module, the recuperation module comprises a buffer pool, and the fish salvaged by the fishing device is returned to an external water source after being recuperated by the buffer pool.
Preferably, the recuperation module further comprises at least one water supplementing and oxygen supplementing pipeline, and water and oxygen are introduced into the buffer pool through the water supplementing and oxygen supplementing pipeline;
the buffer pool is communicated with the external water source through a release channel, and the fish in the buffer pool is released to the external water source through the release channel.
Preferably, the fish migratory system still includes the coarse filtration module that is used for filtering large-scale impurity, the coarse filtration module includes at least one coarse filtration bars, the coarse filtration module is located before the recovery module, and with the recovery module intercommunication.
The invention has the following beneficial effects: according to the invention, the recovery module and the classification module which are communicated with each other are arranged, so that fish is separated and transported after fish sewage is collected, and finally the fish is discharged to an external water source, thereby achieving the purposes of reducing the garbage treatment burden of the nuclear power station and protecting marine organisms.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view showing the overall structure of an embodiment of the fish swimming system of the present invention;
FIG. 2 is a schematic view of the structure of a collection device according to one embodiment of the present invention;
FIG. 3 is a schematic view of a bucket according to an embodiment of the present invention;
FIG. 4 is a schematic view of the mating structure of the dirt collection funnel, the transfer channel and the first screen according to one embodiment of the invention;
FIG. 5 is a block diagram of a classification module according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a side view of a classification module according to an embodiment of the invention;
FIG. 7 is a schematic structural diagram of a fish lifting plate according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a rest module according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The fish swimming system provided by the invention can be used in circulating water taking facilities of nuclear power plants and thermal power plants, and after fish enters a pump room filtering room through a water taking culvert or an open channel, the fish can return to an external water source again through the fish swimming system, so that the fish can be returned under the premise of not damaging the fish, and the aim of protecting the ecological environment is fulfilled. In the invention, the external water source can be sea, and the marine fishes are filtered and classified by the fish swimming-back system and then returned to the sea.
Specifically, referring to fig. 1, the fish swimming system provided by the present invention may include a recovery module 10 and a classification module 20 which are sequentially communicated, after an external water source and fish sewage enter the recovery module 10, the recovery module 10 salvages the fish sewage in water and conveys the fish sewage to the classification module 20 through a conveying channel 13, and fish and other impurities in the fish sewage are distinguished in the classification module 20 and are released to the sea. In the present invention, the fish waste specifically includes marine fish and other marine impurities, such as silt, shellfish and the like.
Further, on the basis of the recovery module 10 and the classification module 20, in some embodiments, the fish migratory system may further include a coarse filtration module 40 for primarily filtering large garbage, and further referring to fig. 1, the coarse filtration module 40 may specifically include a plurality of coarse filtration grids 41, and an external water source enters the recovery module 10 after being filtered by the coarse filtration grids 41.
The recycling module 10 may in some embodiments comprise a collecting device 11 for collecting fish waste and a fish waste collecting tank 12, and a first filter 14 for filtering fish waste, wherein, referring to fig. 3, in the present invention, the fish waste collecting tank 12 is communicated with the sorting module 20 through a conveying channel 13, a plurality of first filters 14 in the recycling module 10 are enclosed to form a filtering space enclosed all around, the fish waste is blocked outside the filtering space through the first filters 14, and water can enter the filtering space through the first filters 14, the filtering space is communicated with a circulating water pump 50, and the filtered water enters the circulating water pump 50 and then enters a condenser, i.e. enters the working environment of the power plant. In the present invention, the pores of the first filter screen 14 are much smaller than the coarse filter grid 41, so that all fish and sewage can be isolated outside the closed space, and the water source entering the working environment of the power plant is ensured to be clean.
Further, in the present invention, the fish sewage isolated outside the filtering space is salvaged by the collecting device 11 and thrown into the fish sewage collecting hopper 12, the fish sewage collecting hopper 12 is communicated with the sorting module 20 through the transfer channel 13, the fish sewage passes through the fish sewage collecting hopper 12 and enters the transfer channel 13, and the fish sewage enters the sorting module 20 through the transfer channel 13 for sorting.
Referring to fig. 2, the collecting device 11 includes a conveying frame 111 and at least one receiving bucket 112 fixedly disposed on the conveying frame 111, wherein the receiving bucket 112 is used for salvaging and transporting the fish sewage in the water to the fish sewage collecting bucket 12. In some embodiments, the conveying frame 111 may be circular, and a plurality of frameworks arranged along the radial direction are disposed on the conveying frame 111, and the included angles between adjacent frameworks are kept consistent, so that the conveying frame 111 performs a circular motion around the center of the circle as an axis under the driving of the first power device. Furthermore, each framework is fixedly provided with one storage hopper 112, the plurality of storage hoppers 112 are installed on the same side of the corresponding framework, preferably, an opening plane of each storage hopper 112 is perpendicular to the corresponding framework, or an acute angle is formed between the opening plane of each storage hopper 112 and the corresponding framework, the conveying frame 111 rotates towards the side where the storage hopper 112 is installed under the driving of the first power device, namely, when the storage hopper 112 is arranged on the left side of the framework, the first power device drives the conveying frame 111 to rotate clockwise; when the receiving hopper 112 is disposed on the right side of the frame, the first power device drives the conveying frame 111 to rotate counterclockwise. Further, the lowest point of the transfer rack 111 is located below the water surface, and the highest point is located above the water surface, so that fish and sewage in the water can be salvaged through the storage bucket 112. In some embodiments, the receiving hopper 112 is formed by surrounding a perforated plate, that is, a plurality of holes are formed on the receiving hopper 112 for draining fish dirt, so as to reduce the conveying burden of the conveying rack 111; referring to fig. 3, an edge 1121 made of a flexible material is disposed at an edge of an opening of the receiving hopper 112 to prevent the edge of the receiving hopper 112 from being too sharp to hurt fish during fishing fish and dirt, and specifically, the edge 1121 may be a seawater corrosion resistant rubber edge 1121. Of course, besides the above mentioned circular transmission rack 111, other types of the transmission rack 111 and the receiving bucket 112 in the prior art can be considered to fall within the protection scope of the present invention, and are not described herein again.
In some embodiments, in order to ensure that the fish sewage in the receiving bucket 112 enters the fish sewage collecting bucket 12, it is preferable that the receiving device further includes a first jet pipe 113 which can inject water flow, and the first jet pipe 113 injects the fish sewage in the receiving bucket 112 into the fish sewage collecting bucket 112 by injecting the water flow. Specifically, preferably first jet pipe 113 is close to the summit setting of conveying frame 111, and the preferred orientation fish dirt collecting hopper 12's of the water jet direction of first jet pipe 113 direction sprays to drive through rivers and accomodate the dirty accuracy of fish in the fill 112 and get into in the fish dirt collecting hopper 12.
Further, referring to fig. 5, the fish waste entering the fish waste collecting hopper 12 enters the classification module 20 through the conveying channel 13, the classification module 20 includes a separation tank 21, a fishing device 22 and a fish collecting tray 23, the fish waste entering the separation tank 21 through the conveying channel 13 is classified in the separation tank 21, fish and other impurities are distinguished, then the fish swarm is fished and transported to the fish collecting tray 23 through the fishing device 22, and the fish collecting tray 23 discharges the fish to an external water source. Specifically, the separation tank 21 is provided with an overflow weir 211, preferably, the overflow weir 211 is arranged vertically to the bottom wall of the separation tank 21 and lower than the outer wall of the separation tank 21, and the overflow weir 211 divides the separation tank 21 into a front tank 212 and a rear tank 213, wherein the front tank 212 is communicated with the conveying channel 13. The fish sewage enters the front pool 212 through the conveying channel 13, the impurities such as silt, shellfish and the like with larger mass can be precipitated in the front pool 212, the water in the front pool 212 is accumulated, when the water level is higher than the height of the overflow weir 211, the water in the front pool 212 enters the rear pool 213 through the overflow weir 211, at the moment, the fish in the front pool 212 can pass through the overflow weir 211 along with the water flow to enter the rear pool 213, the fishing device 22 is arranged in the rear pool 213, the fish in the rear pool 213 is fished to a certain height, the fish is transported to the fish collecting plate 23, and the fish is thrown to an external water source through the fish collecting plate 23.
In some embodiments, and with further reference to fig. 5, the fishing device 22 is embodied as a rotational separator, and includes a support 221 and a plurality of fish-lifting plates 222 disposed on the support 221, wherein the support 221 includes at least two concentric rings, and the fish-lifting plates 222 are fixed between the two concentric rings and disposed along the radial direction of the concentric rings. The bracket 221 and the fish lifting plate 222 are driven by the second power device to make circular motion around the center of the circle as the axis, wherein the lowest point of the bracket 221 is arranged below the water surface of the rear pool 213, so that fish in the pool can be fished, the highest point of the bracket 221 is arranged above the water surface of the rear pool 213, preferably, the fish collecting plate 23 is arranged in the middle of the fishing device 22, when the fish lifting plate 222 rotates to above the fish collecting plate 23, fish on the fish lifting plate 222 can be transferred to the fish collecting plate 23, and specifically, the fish on the fish lifting plate 222 can be transferred to the fish lifting plate 222 through the second jet pipe 24 by means of jet water flow. The second jet pipe 24 is specifically arranged above the fish collecting tray 23, and continuously sprays water flow in a direction parallel to the fish collecting tray 23, and when the fish lifting plate 222 rotates to a position near the second jet pipe 24, the water flow sprayed by the second jet pipe 24 can drive the fish on the fish lifting plate 222 to move, so that the fish falls on the fish collecting tray 23. Further, in order to make the fish on the fish lifting plate 222 smoothly fall into the fish receiving plate 23, it is preferable that the fish lifting plate 222 is disposed on the bracket 221 with a certain angle, specifically, referring to fig. 6, the fish receiving plate 23 is horizontally disposed on the platform, the fish lifting plate 222 forms an acute angle with the horizontal plane, and one end of the fish lifting plate 222 close to the fish receiving plate 23 is disposed lower than one end of the fish receiving plate 23, so that the fish lifting plate 222 has a certain inclination towards the fish receiving plate 23, the second jet pipe 24 is disposed on one side of the bracket 221 away from the fish receiving plate 23, and sprays water flow in a direction parallel to the fish lifting plate 222, so that the fish on the fish lifting plate 222 smoothly enters the fish receiving plate 23 under the driving of the water flow, in some embodiments, the fish lifting plate 222 is specifically a hole plate, and has a plurality of water leakage holes, and drains water while fishing the fish, so as to reduce the burden of the equipment, it is preferable that the fish lifting plate 222 is a stainless steel hole plate, which has good corrosion resistance, further, in order to prevent the gap between the fish lifting plate 222 and the wall of the rear pool 213 from pressing the fish when lifting the fish, and in order to prevent the fish from sliding down on the fish lifting plate 222 in other directions, referring to fig. 7, it is preferable that a rubber plate 2221 made of soft rubber material is disposed at the edge of the fish lifting plate 222, the rubber plate 2221 has a certain height, protrudes from the surface of the fish lifting plate 222, and can seal the gap between the fish lifting plate 222 and the rear pool 213, and prevent the fish from sliding down on the fish lifting plate 222 to a certain extent, and further, in order to ensure that the fish can slide towards the fish receiving plate 23 and enter the fish receiving plate 23, it is preferable that the rubber plate 2221 is not disposed at the side of the fish lifting plate 222 towards the fish receiving plate 23, so that the fish can slide towards the side and enter the fish receiving plate 23.
In some embodiments, referring to fig. 6, in order to prevent the water in the rear pool 213 from accumulating and overflowing, the overflow weir cannot perform an overflow effect, it is preferable that a second filter mesh 2131 is further disposed on the rear pool 213, and the rear pool 213 is communicated with an external water source through the second filter mesh 2131, that is, the water in the rear pool 213 can be directly discharged to the external water source after being filtered by the second filter mesh 2131, so as to prevent the water from accumulating in the rear pool 213.
In the present invention, the first power device and the second power device are both motors, and the motors respectively drive the conveying frame 111 and the bracket 221 to work uninterruptedly.
In some embodiments, the fish receiving plate 23 can be directly connected to an external water source, that is, the fished fish can be directly returned to the external water source; in other embodiments, a rest module 30 is further included in communication with the fish receiving tray 23 to provide a place for rest and health for the fish shoal, since the shoal may have slight health problems due to equipment collisions, jet impingement, and direct placement may result in poor survival of the shoal. Specifically, referring to fig. 1 and 8, the recuperation module 30 includes a buffer tank 31 and a water and oxygen supplementing pipeline 32 communicated with the buffer tank 31, and the water and oxygen supplementing pipeline 32 supplements water and oxygen in the buffer tank 31 in time to adjust the water level in the buffer tank 31, and meanwhile, the buffer tank 31 can be communicated with an external water source through a release channel 33, and after the fish school is fully recuperated, the external water source can be directly released through the release channel 33, thereby achieving the purpose of the present invention and protecting the ecological environment of the ocean.
According to the fish swimming-back system provided by the invention, the recovery module 10 and the classification module 20 are matched to filter fish sewage in an external water source, so that clean water enters a power plant to work, and meanwhile, fish and other garbage in the fish sewage are separated and released, so that the water source of the power plant is ensured to be utilized, the damage to marine organisms is reduced to the greatest extent, and the protection of marine ecological environment is facilitated.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The fish swimming-back system is characterized by comprising a recovery module (10) for collecting fish sewage and a classification module (20) for separating fish in the fish sewage from other impurities, wherein the recovery module (10) is communicated with the classification module (20), and the classification module (20) is communicated with an external water source;
a collecting device (11) for filtering and collecting the fish sewage in the water and a fish sewage collecting hopper (12) for collecting and conveying the fish sewage are arranged in the recovery module (10), and the fish sewage collecting hopper (12) is communicated with the classification module (20) through a conveying channel (13);
the classification module (20) comprises a separation tank (21) for separating fish and other impurities in the fish sewage, and a fishing device (22) for fishing the fish and discharging the fish to an external water source, wherein the fishing device (22) is arranged in the separation tank (21);
the collecting device (11) comprises a conveying frame (111) and at least one containing bucket (112) fixed on the conveying frame (111) and used for containing the fish sewage, and the conveying frame (111) drives the containing bucket (112) to move so as to transfer the fish sewage in the containing bucket (112) to the fish sewage collecting bucket (12);
the conveying frame (111) is a circular conveying frame, the containing hoppers (112) are uniformly distributed on the conveying frame (111) along the periphery, a first power device is arranged on the conveying frame (111), and the containing hoppers (112) are driven by the first power device to do circular motion perpendicular to the water surface;
the lowest point of the storage hopper (112) on the conveying frame (111) is arranged below the water surface, and the highest point of the storage hopper (112) on the conveying frame is arranged above the water surface;
an overflow weir (211) is arranged in the separation tank (21), the overflow weir (211) divides the separation tank (21) into a front tank (212) and a rear tank (213), and the front tank (212) is communicated with the conveying channel (13);
the fish in the fish sewage enters the rear pond (213) from the front pond (212) through the overflow weir (211), and the rest impurities in the fish sewage are precipitated in the front pond (212);
the fishing device (22) is arranged in the rear pool (213), the classification module (20) further comprises a fish collecting disc (23) used for receiving the fished fish and placing the fished fish into an external water source, and the fish collecting disc (23) is communicated with the external water source;
the fishing device (22) comprises a support (221) and a plurality of fish lifting plates (222) uniformly distributed on the support (221), the fish lifting plates (222) are driven by the support (221) to do circular motion on a plane perpendicular to the water surface by taking the center of the support (221) as a circle center, the fishing device (22) further comprises a second power device, and the second power device drives the support (221) to drive the fish lifting plates (222) to move.
2. The fish swimming system according to claim 1, wherein the receiving hopper (112) is surrounded by a perforated plate, and the edge of the receiving hopper (112) is provided with a covered edge (1121) made of a flexible material, wherein the flexible material is a corrosion-resistant flexible material.
3. The fish swimming system according to claim 1, wherein the collecting device (11) further comprises a first jet pipe (113) for injecting a water flow toward the fish waste collecting hopper (12), the first jet pipe (113) driving the fish waste in the receiving hopper (112) into the fish waste collecting hopper (12) by injecting the water flow.
4. The fish return system according to claim 1, further comprising a circulating water pump (50), wherein the circulating water pump (50) is used for communicating the recovery module (10) and the condenser, the recovery module (10) is further provided with a first filter screen (14) for isolating fish dirt in the recovery module (10), and water filtered by the first filter screen (14) is communicated with the circulating water pump (50) and enters the condenser;
first filter screen (14) are in it establishes to enclose in recovery module (10) and constitutes confined filtration space all around, circulating water pump (50) with filtration space intercommunication sets up.
5. The fish swimming system according to claim 1, wherein the fish collecting tray (23) is arranged in the middle of the fishing device (22), the sorting module (20) further comprises a second jet pipe (24) for injecting water flow for letting the fish on the fish lifting plate (222) enter the fish collecting tray (23), the second jet pipe (24) being arranged above the fish collecting tray (23).
6. The fish swimming system of claim 5, wherein the rear pool (213) further comprises at least one second filter screen (2131), and the water in the rear pool (213) is discharged to the external water source after being filtered by the second filter screen (2131);
the fish collecting plate (23) is communicated with an external water source.
7. The fish return system according to claim 1, further comprising a recuperation module (30) in communication with the classification module (20), wherein the recuperation module (30) comprises a buffer pool (31), and the fish salvaged by the fishing device (22) are recuperated by the buffer pool (31) and then returned to an outside water source.
8. The fish return system according to claim 7, wherein the resting module (30) further comprises at least one water replenishment oxygenation line (32), through which water and oxygen are fed to the buffer tank (31);
the buffer tank (31) is communicated with the external water source through a release channel (33), and the fish in the buffer tank (31) is released to the external water source through the release channel (33).
9. The fish swimming system according to claim 1, further comprising a coarse filtration module (40) for filtering large impurities, the coarse filtration module (40) comprising at least one coarse filtration grate (41), the coarse filtration module (40) being provided before the recovery module (10) and being in communication with the recovery module (10).
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| CN202110399540.1A CN113197152B (en) | 2021-04-14 | 2021-04-14 | Fish swimming back system |
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| CN202110399540.1A CN113197152B (en) | 2021-04-14 | 2021-04-14 | Fish swimming back system |
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| CN113197152B true CN113197152B (en) | 2022-08-09 |
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| CN107142913A (en) * | 2017-06-29 | 2017-09-08 | 宿州冬宇环保科技有限公司 | Fish sewage disposal apparatus in a kind of river course |
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