CN112715466A - Double-arc-shaped continuous concentration and pollution discharge device and method for shrimp culture system - Google Patents
Double-arc-shaped continuous concentration and pollution discharge device and method for shrimp culture system Download PDFInfo
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- CN112715466A CN112715466A CN202011440303.7A CN202011440303A CN112715466A CN 112715466 A CN112715466 A CN 112715466A CN 202011440303 A CN202011440303 A CN 202011440303A CN 112715466 A CN112715466 A CN 112715466A
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- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 32
- 238000005273 aeration Methods 0.000 claims description 7
- 230000003203 everyday effect Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000013618 particulate matter Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 238000009313 farming Methods 0.000 claims 2
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
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- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
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- 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
Abstract
The invention discloses a double-arc continuous concentration and blowdown device and method for a shrimp culture system, which are characterized by comprising at least two symmetrically arranged dirt collecting pipes, wherein the open ends of the dirt collecting pipes are positioned at the center of the bottom of a culture pond, one ends of the dirt collecting pipes, which are close to the wall of the culture pond, are communicated with the bottoms of air lifting pipes, a transverse pipe communicated with the air lifting pipes is arranged between the two air lifting pipes and positioned on the water surface of the culture pond, a detachable coarse arc-shaped screen bent towards the transverse pipe is arranged on the outer wall of the transverse pipe and close to the side of the wall of the culture pond, a strip hole is formed in the pipe wall of the transverse pipe and positioned in the region of the coarse arc-shaped screen, a collecting tank is arranged between the bottom of the coarse arc-shaped screen and the bottom of the transverse pipe, a detachable fine arc-shaped screen for filtering water filtered by the coarse arc-shaped screen is arranged below, Dead shrimps and ill shrimps with poor vitality are discharged after residual baits and excrement are concentrated, and the water consumption for pollution discharge is greatly reduced.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a double-arc-shaped continuous concentration and pollution discharge device and method for a shrimp culture system.
Background
In a shrimp culture system, in order to ensure that the culture system maintains a good water quality environment, the waste such as residual bait, excrement, shrimp shells, dead shrimps and the like needs to be discharged out of the culture system in time. The shrimp culture sewage discharge system is basically characterized in that various pollutants are gathered near a sewage discharge outlet at the center of the bottom of a pot-shaped pool by promoting water flow to rotate, and then the pollutants are discharged out of the culture system through a sewage discharge pipe under the action of water pressure difference. An escape-proof net is required to be arranged at the sewage outlet to prevent live shrimps from being discharged, but shrimp shells, sick shrimps and dead shrimps are difficult to discharge at the same time, so that the escape-proof net is blocked; because the escape-proof net is arranged underwater, the escape-proof net is difficult to replace during cultivation, and further the pollution discharge effect is reduced, and sick shrimps and dead shrimps are easy to decay and decompose and further pollute the water, so that some shrimp cultivation systems are additionally provided with dead shrimp and sick shrimp pollution discharge pipelines simultaneously and are independently controlled, but the discharge of live shrimps cannot be prevented. Therefore, when live shrimps are prevented from escaping, dirt such as shrimp shells, dead shrimps, ill shrimps with poor vitality, residual bait, excrement and the like in the culture water body is discharged out of the culture system in time, and the method is a key technology for successfully culturing the shrimps.
A Chinese utility model patent with publication number CN203735271U, which was published in 2013, 7, month and 30, discloses a high-level shrimp pool floating ball type sewage drainer; the device can effectively discharge the shrimp shells out of the pool, and is difficult to overhaul and replace during cultivation due to being arranged at a drain outlet at the bottom of the high-position shrimp culture pool. The Chinese patent invention with publication number CN105724307A, which is disclosed in 2016, 7, 6, discloses an air-lift type decontamination device suitable for indoor industrial shrimp culture; the device releases the bubble when passing through the blowdown, and the frightening live shrimp leaves the drain and is not discharged, then through gaseous promotion drain apron, gets rid of the dead shrimp in shrimp pond, the bad sick shrimp of vigor, incomplete bait, excrement and urine fast. However, the device is provided with a sewage discharge sleeve and a chassis which are also provided with the bottom of the aquaculture water body, dead shrimps, ill shrimps with poor vitality, residual bait and excrement are difficult to be discharged and observed, the live shrimps can still be taken out by water flow and are difficult to be noticed during sewage discharge, and the device is provided with a movable part, so that the water can be easily blocked by foreign matters. The Chinese invention patent with publication number CN109452215A, which is disclosed on 12.3.2019, discloses a device and a method for removing dirt and preventing live shrimps from escaping in a circulating water shrimp culture system, and the Chinese invention patent with publication number CN110278911A, which is disclosed on 27.2019, provides a split type surface dirt collector suitable for the live shrimps of the circulating water shrimp culture system to automatically return to a pond. The two devices provided by the invention can collect shrimp shells, dead shrimps and ill shrimps with poor vitality and prevent overflow from escaping the shrimps, but the overall structure of the dirt collector is more complex, residual bait and excrement are required to be connected into a subsequent separation device for further separation treatment, the dirt collector can only be used in a circulating water culture system in a matched manner, a water pump and other series of auxiliary equipment are required for the subsequent separation treatment, the investment cost and the energy consumption are higher, and the dirt collector is difficult for general farmers to bear. Therefore, research and development one kind can effectively concentrate shrimp shell, dead shrimp, the bad sick shrimp of vigor and filth and in time discharge, and then reduce the blowdown water yield, can also prevent simultaneously that the live shrimp from escaping, easy access, simple structure's waste fitting discharging has important meaning to promoting the high density of shrimp breed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-arc continuous concentration and pollution discharge device and a double-arc continuous concentration and pollution discharge method for a shrimp culture system, which can timely separate out shrimp shells, dead shrimps and ill shrimps with poor vitality, concentrate residual baits and excrement and then discharge the residual baits and the excrement, and greatly reduce the pollution discharge water consumption.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a two arcs of shrimp culture system are concentrated waste fitting discharging in succession, includes the dirty pipe of collection that two piece at least symmetries set up, dirty pipe of collection hug closely breed bottom of the pool portion and lay, the open end of dirty pipe of collection be located breed bottom of the pool portion center department, dirty pipe of collection be close to breed pool wall one end with the air-lift pipe be linked together, two air-lift pipe between and be located breed the surface of water in pond on be provided with the violently pipe of air-lift pipe intercommunication, the outer wall of violently pipe just be close to breed pool wall side be provided with court violently the crooked detachable thick radial sieve of violently pipe, the pipe wall of violently pipe on just be located thick radial sieve region be provided with the rectangular hole that is used for flowing out to breed sewage, thick radial sieve's bottom with violently be provided with the collecting vat that is used for collecting jumbo size particulate matter between the bottom of violently managing, thick radial sieve's below be provided with and be used for filtering the The top of thin arc screen cloth with thick arc screen cloth be connected and its bottom be located breed pond top department, thin arc screen cloth towards breed pond outer bend and its triangle-shaped bottom be provided with the collection fill that is used for collecting small-size particulate matter.
The pipe wall of the sewage collecting pipe is provided with a plurality of sewage sucking holes close to the side of the bottom of the culture pond, and the open end of the sewage collecting pipe is provided with an elbow towards a sewage collecting hopper at the bottom of the culture pond.
The sewage collecting pipe is communicated with the air stripping pipe through a reducer pipe.
The open-top of air-lift pipe stretch out the surface of water of breed pond, air-lift intraductal being provided with an at least nanometer aeration pipe, nanometer aeration pipe pass through compressed air pipe and be connected with outside oxygen-increasing machine.
First baffles are respectively arranged on two sides of the collecting tank, and the height of the first baffle 15 is 1-2 cm.
And second baffles are respectively arranged on two sides of the fine arc-shaped screen.
The thick arc-shaped screen mesh is a plastic mesh with the mesh specification of 10-80 meshes. Gradually changing the screen into a sieve with a low mesh number as the shrimps grow up in the culture process.
The fine arc-shaped screen mesh is a silk mesh with the mesh specification of 150-300 meshes.
The method for double-arc continuous concentration and pollution discharge of the shrimp culture system by using the device comprises the following steps:
(1) when feeding, closing the air intake of the air, and stopping water lifting and dirt collection;
(2) after feeding for 1.0-1.5h, finishing shrimp feeding, starting air-stripping air intake, starting water-lifting dirt-collecting filtration, and stopping air-stripping water-lifting until next feeding;
(3) the first coarse arc-shaped screen is patrolled once every day, and shrimp shells, dead shrimps and ill shrimps with poor vitality, which are intercepted on the first coarse arc-shaped screen and in the collecting tank, are manually removed;
(4) manually cleaning the collecting hopper at the bottom of the second fine arc-shaped screen once every day, checking the state of the residual bait, and adjusting the next bait feeding amount according to the residual bait amount;
(5) in the culture process, the first coarse sieve is gradually replaced by a sieve with a low mesh number as the shrimps grow up.
Compared with the prior art, the invention has the advantages that: when the aeration nanotube in the air stripping pipe starts to work, dirt (residual bait, excrement, shrimp shells, dead shrimps and ill shrimps with poor vitality) deposited at the bottom of the pond is sucked and flows out through the long holes in the horizontal pipe, and is continuously filtered and intercepted through two arc sieves, wherein the first arc sieve is a coarse arc sieve, the meshes of the sieve are large, only the shrimp shells, the shrimp bodies and the like with larger sizes are intercepted, and the residual bait and the excrement fall to the second arc sieve through the first arc sieve; the second sieve is a fine sieve with small meshes, the residual bait and excrement are intercepted and concentrated, and the filtered water directly falls back to the culture pond. In operation, the live shrimps intercepted on the first coarse sieve can jump out of the low baffle plates on two sides of the collecting tank by jumping and return to the culture pond. The shrimp shell, dead shrimps and ill shrimps with poor vitality are intercepted by the first sieve bend and fall into the collecting tank, and are manually removed every day. The residual bait and excrement intercepted on the second curved sieve gradually slide into the collecting hopper under the action of water flow scouring, and are manually collected and cleaned at regular intervals.
(1) The device provided by the invention overcomes the defect that the drain outlet at the bottom of the shrimp culture pond is easily blocked by the escape-proof net, the escape-proof net and the sewage disposal and sewage interception device are arranged on the surface layer, so that timely sewage disposal is realized, the removal conditions of shrimp shells, dead shrimps, sick shrimps and residual bait excrement can be effectively mastered in the whole culture process, meanwhile, live shrimps can automatically return to the culture water body, and the shrimp shells, the dead shrimps and the sick shrimps with poor vitality can be conveniently and manually removed. Dead shrimps and residual bait in the shrimp culture can be found and mastered in time.
(2) The two sieve bows are movable and convenient to replace and clean, and the first sieve bows can be conveniently replaced with sieve bows of different specifications in different breeding stages.
(3) The water consumption for sewage discharge is low. Because the second sieve bend can concentrate the residual bait excrement and urine, can greatly reduce the blowdown water consumption in breeding.
In conclusion, the double-arc-shaped continuous concentration and pollution discharge device and method for the shrimp culture system are suitable for culture ponds with various shapes in the existing shrimp culture system, particularly solve the problem that shrimp shells, dead shrimps and pollutants are difficult to discharge in high-density industrial culture, and effectively prevent live shrimps from escaping; the invention can be used for timely mastering the conditions of dead shrimps, excessive baits and the like at the bottom of the pond.
Drawings
FIG. 1 is a schematic structural diagram I of a double-arc sewage discharging device of a shrimp culturing system;
FIG. 2 is a schematic structural view II of a double-arc sewage discharging device of the shrimp culturing system;
fig. 3 is a schematic view showing the connection relationship between the coarse and fine arc screens according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Detailed description of the preferred embodiment
A shrimp culture system double-arc continuous concentration and pollution discharge device comprises at least two symmetrical dirt collecting pipes 1, the dirt collecting pipes 1 are tightly attached to the bottom of a culture pond 2 to be placed, the open end of each dirt collecting pipe 1 is positioned at the center of the bottom of the culture pond 2, one end, close to the wall of the culture pond 2, of each dirt collecting pipe 1 is communicated with an air lifting pipe 3, a transverse pipe 4 communicated with the air lifting pipe 3 is arranged between the two air lifting pipes 3 and on the water surface of the culture pond 2, a detachable thick arc screen 5 bent towards the transverse pipe 4 is arranged on the outer wall of the transverse pipe 4 and close to the wall side of the culture pond 2, long strip holes 6 for flowing out of culture sewage are arranged on the pipe wall of the transverse pipe 4 and in the area of the thick arc screen 5, a collecting tank 7 for collecting large-size particles is arranged between the bottom of the thick arc screen 5 and the bottom of the transverse pipe 4, a detachable fine arc screen 8 for filtering water filtered by the thick arc screen 5 is, the top of thin arc screen 8 is connected and its bottom is located 2 tops of breed pond with thick arc screen 5, and thin arc screen 8 is provided with the collection fill 9 that is used for collecting small-size particulate matter towards breeding 2 outer bendings in pond and its triangle-shaped bottom.
In this embodiment, the pipe wall of the sewage collecting pipe 1 and the bottom side of the culture pond 2 are provided with a plurality of sewage sucking holes 10, and the open end of the sewage collecting pipe 1 is provided with an elbow 11 facing the sewage collecting hopper 10 at the bottom of the culture pond 2. The sewage collecting pipe 1 is communicated with the air stripping pipe 3 through a reducer pipe 12. The open-top of air-lift pipe 3 stretches out the surface of water of breeding pond 2, is provided with an at least nanometer aeration pipe 13 in the air-lift pipe 3, and nanometer aeration pipe 13 passes through compressed air pipe 14 and is connected with outside oxygen-increasing machine.
In this embodiment, as shown in fig. 3, first baffles 15 are respectively arranged on two sides of the collecting tank 7, the height of the first baffles 15 is 1-2cm, and second baffles 16 are respectively arranged on two sides of the fine arc-shaped screen 8. The thick arc-shaped screen 5 is a plastic net with the mesh specification of 10-80 meshes. The fine arc-shaped screen mesh 8 is a silk screen with mesh specification of 150 and 300 meshes.
Detailed description of the invention
A method for double-arc continuous concentration and pollution discharge of a shrimp culture system by using the device in the first embodiment comprises the following steps:
(1) when feeding, closing the air intake of the air, and stopping water lifting and dirt collection;
(2) after feeding for 1.0-1.5h, finishing shrimp feeding, starting air-stripping air intake, starting water-lifting dirt-collecting filtration, and stopping air-stripping water-lifting until next feeding;
(3) the first coarse arc-shaped screen 5 is patrolled once every day, and shrimp shells, dead shrimps and ill shrimps with poor vitality, which are intercepted on the first coarse arc-shaped screen 5 and in the collecting tank 7, are manually removed;
(4) manually cleaning the collecting hopper 9 behind the second fine arc-shaped screen mesh 8 once every day, checking the state of the residual bait, and adjusting the next bait feeding amount according to the residual bait amount;
(5) in the process of cultivation, the first coarse sieve 5 is gradually replaced by a sieve with a low mesh number as the shrimps grow up.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples. Those skilled in the art should also realize that changes, modifications, additions and substitutions can be made without departing from the true spirit and scope of the invention.
Claims (9)
1. The utility model provides a two arc continuous concentrated waste fitting discharging of shrimp culture system which characterized in that: comprises at least two dirt collecting pipes which are symmetrically arranged, the dirt collecting pipes are tightly attached to the bottom of a culture pond and are placed, the open ends of the dirt collecting pipes are positioned at the center of the bottom of the culture pond, the dirt collecting pipes are close to one end of a culture pond wall and communicated with the air lifting pipes, a transverse pipe communicated with the air lifting pipes is arranged between the two air lifting pipes and positioned on the water surface of the culture pond, a detachable thick arc screen towards the transverse pipe is arranged on the outer wall of the transverse pipe and close to the side of the culture pond wall, a strip hole for flowing out culture sewage is arranged on the pipe wall of the transverse pipe and positioned in the thick arc screen area, a collecting tank for collecting large-size particles is arranged between the bottom of the thick arc screen and the bottom of the transverse pipe, a detachable fine arc screen for filtering water filtered by the thick arc screen is arranged below the thick arc screen, the top of thin arc screen cloth with thick arc screen cloth be connected and its bottom be located breed pond top department, thin arc screen cloth towards breed pond outer bend and its triangle-shaped bottom be provided with the collection fill that is used for collecting small-size particulate matter.
2. The double-arc continuous concentration and drainage device of the shrimp culture system of claim 1, which is characterized in that: the pipe wall of the sewage collecting pipe is provided with a plurality of sewage sucking holes close to the side of the bottom of the culture pond, and the open end of the sewage collecting pipe is provided with an elbow towards a sewage collecting hopper at the bottom of the culture pond.
3. The double-arc sewage draining device of the shrimp farming system of claim 1, wherein: the sewage collecting pipe is communicated with the air stripping pipe through a reducer pipe.
4. The double-arc continuous concentration and drainage device of the shrimp culture system of claim 1, which is characterized in that: the open-top of air-lift pipe stretch out the surface of water of breed pond, air-lift intraductal being provided with an at least nanometer aeration pipe, nanometer aeration pipe pass through compressed air pipe and be connected with outside oxygen-increasing machine.
5. The double-arc continuous concentration and drainage device of the shrimp culture system of claim 1, which is characterized in that: first baffles are respectively arranged on two sides of the collecting tank, and the height of the first baffle 15 is 1-2 cm.
6. The double-arc continuous concentration and drainage device of the shrimp culture system of claim 1, which is characterized in that: and second baffles are respectively arranged on two sides of the fine arc-shaped screen.
7. The double-arc continuous concentration and drainage device of the shrimp culture system of claim 1, which is characterized in that: the thick arc-shaped screen mesh is a plastic mesh with the mesh specification of 10-80 meshes.
8. The double-arc continuous concentration and drainage device of the shrimp culture system of claim 1, which is characterized in that: the fine arc-shaped screen mesh is a silk mesh with the mesh specification of 150-300 meshes.
9. A method for double-arc continuous concentrated blowdown of a shrimp farming system using the apparatus of any one of claims 1-8, comprising the steps of:
(1) when feeding, closing the air intake of the air, and stopping water lifting and dirt collection;
(2) after feeding for 1.0-1.5h, finishing shrimp feeding, starting air-stripping air intake, starting water-lifting dirt-collecting filtration, and stopping air-stripping water-lifting until next feeding;
(3) the first coarse arc-shaped screen is patrolled once every day, and shrimp shells, dead shrimps and ill shrimps with poor vitality, which are intercepted on the first coarse arc-shaped screen and in the collecting tank, are manually removed;
(4) manually cleaning the collecting hopper at the bottom of the second fine arc-shaped screen once every day, checking the state of the residual bait, and adjusting the next bait feeding amount according to the residual bait amount;
(5) in the culture process, the first coarse sieve is gradually replaced by a sieve with a low mesh number as the shrimps grow up.
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