CN115093071A

CN115093071A - A repair system for cold water fish culture tail water

Info

Publication number: CN115093071A
Application number: CN202210630345.XA
Authority: CN
Inventors: 李中华; 陈力; 张清靖; 马国庆; 侯晓龙; 吴彦
Original assignee: Hebei Academy Of Marine And Fishery Sciences Hebei Marine Fishery Ecological Environment Monitoring Station
Current assignee: Hebei Academy Of Marine And Fishery Sciences Hebei Marine Fishery Ecological Environment Monitoring Station
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-23
Anticipated expiration: 2042-06-06
Also published as: CN115093071B

Abstract

The invention provides a restoration system for cold water fish culture tail water, which belongs to the technical field of water ecological restoration and comprises a sedimentation tank, a biological brush filtering structure and a plant purification structure, wherein the sedimentation tank is used for containing and filtering untreated culture tail water; the biological brush filtering structure is used for filtering the culture tail water treated by the sedimentation tank; the plant purification structure is used for absorbing plant nutrient substances contained in the culture tail water passing through the biological brush filtering structure. According to the restoration system for the cold water fish culture tail water, provided by the invention, the solid matters and plant nutrient substances in the culture tail water are respectively treated efficiently, so that the purification treatment effect of the culture tail water is effectively improved.

Description

A repair system for cold water fish culture tail water

Technical Field

The invention belongs to the technical field of water ecological restoration, and particularly relates to a restoration system for cold water fish culture tail water.

Background

In the aquaculture process, a large amount of toxic and harmful organic matters such as residual baits, excrement and biological corpses and toxic and harmful inorganic matters such as ammonia nitrogen, hydrogen sulfide and nitrous acid are accumulated in the pond. Therefore, the culture water level can cause eutrophication of the surrounding water areas of the culture area, and is one of the main control objects of agricultural non-point source pollution. The culture tail water needs to be discharged periodically in the culture process of the pond so as to ensure the normal growth of the aquatic products. However, the direct discharge of the culture tail water into the outer river can bring negative effects on the environment of the natural water area.

Therefore, the prior aquaculture tail water treatment system firstly treats the aquaculture tail water and then discharges the treated tail water meeting the aquaculture standard, and mainly traps fishes in a water tank and is provided with a solid matter collecting device at the rear end.

The solid matter collecting device is mostly connected with a deposition area at the rear end of the culture system, and the solid matter deposited in the area is transferred to a ground sedimentation tank through a dirt absorbing device to realize dirt interception. However, all the waste gas can not be transferred by the solid matters deposited in the region, and the rest waste still enters the outer pond along with the water flow, so that the nutrient elements such as nitrogen and phosphorus in the water body of the outer pond exceed the standard, and the water treatment effect is influenced to a certain extent. Meanwhile, the existing ground sedimentation tank has limited treatment effect on wastes, so that a large amount of solid suspended matters still enter an outer pond along with overflow water of the sedimentation tank to cause water eutrophication.

Disclosure of Invention

The invention aims to provide a repairing system for cold water fish culture tail water, and aims to solve the technical problems that an existing culture tail water repairing system is limited in treatment effect on wastes and poor in water control effect.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is a restoration system for tail water of cold water fish culture, comprising: the sedimentation tank is used for containing and filtering untreated breeding tail water;

the biological brush filtering structure is used for filtering the culture tail water treated by the sedimentation tank;

and the plant purification structure is used for absorbing plant nutrient substances contained in the culture tail water passing through the biological brush filtering structure.

Preferably, the bio-brush filter structure comprises:

a frame body;

the biological brush assembly is provided with a plurality of groups, and each group of biological brush assembly is respectively connected with the frame body; the biological brush component is used for being immersed in the culture tail water;

and the cleaning assembly is connected with the frame body and is used for driving at least one group of the biological brush assembly to move and cleaning solid matters attached to the biological brush assembly.

Preferably, the washing assembly comprises:

a housing connected to the frame;

a rotating assembly disposed within the housing; the biological brush component is used for driving at least one group of biological brush components to move;

the flushing assembly is arranged in the shell and used for flushing the biological brush assembly in the shell; the flushing assembly is in communication with the plant purification structure.

Preferably, the plant purification structure comprises:

a suspension assembly on which plants are planted;

the first protection component is connected with the suspension component and is used for protecting the plants planted on the suspension component;

and the buoyancy enhancing component is connected with the suspension component and used for enhancing the buoyancy of the suspension component.

Preferably, the plant purification structure further comprises a dustfall assembly, and the dustfall assembly is connected with the suspension assembly; the dust fall assembly is used for carrying out dust removal operation on the plants.

Preferably, the first shield assembly comprises:

the protective net box main body is used for accommodating the suspension assembly; one end of the protective net box main body is an opening end;

the solar panels are arranged along the protective net box main body and pass through the rotating shaft component and the protective net box main body, and each solar panel has a first state and a second use state, and the solar panels are unfolded to absorb solar energy in the first state; and in the second state, the solar panels are matched with each other to cover the opening end of the protective net box main body.

Preferably, plant purification structure still includes with dust fall subassembly swing joint's excision subassembly.

Preferably, the cleaving assembly comprises:

a housing, in which a containing cavity is arranged;

a cutting member disposed on the housing;

the conveying piece is arranged on the shell and used for conveying the plants cut by the cutting piece into the accommodating cavity;

and the moving piece is connected with the shell and is used for driving the shell to move relative to the second protection component.

Preferably, a dirt cleaning structure is arranged in the sedimentation tank; the decontaminating structure is used for removing solids in the tail water.

Preferably, a water body monitoring assembly for monitoring the water body environment is also included.

The repair system for the cold water fish culture tail water provided by the invention has the beneficial effects that: compared with the prior art, the restoration system for the cold water fish culture tail water provided by the invention has the advantages that solid matters and plant nutrient substances in the culture tail water are respectively efficiently treated by matching the sedimentation tank, the biological brush filtering structure and the plant purifying structure, so that the purifying treatment effect on the culture tail water is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural composition diagram of a repair system for tail water of cold water fish culture according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram illustrating a biological brush filtering structure adopted by a system for restoring tail water of cold-water fish culture according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram ii of a biological brush filtering structure adopted by a system for restoring tail water of cold-water fish culture according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a plant purification structure adopted by a restoration system for cold water fish culture tail water according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another plant purification structure adopted by the restoration system for the tail water of cold-water fish culture according to the embodiment of the invention;

fig. 6 is a schematic structural diagram of a biological filtering structure adopted by a system for restoring tail water of cold-water fish culture according to an embodiment of the present invention.

In the figure: 1. a sedimentation tank; 2. a biological brush filtration structure; 21. a frame body; 22. a bio-brush assembly; 23. cleaning the assembly; 231. a housing; 232. a rotating assembly; 233. a flushing assembly; 3. a plant purification structure; 31. A suspension assembly; 32. a first guard assembly; 321. a protective box main body; 322. a solar panel; 33. a dust fall assembly; 34. cutting off the component; 341. a housing; 342. cutting off the parts; 343. a conveying member; 344. a movable member; 35. a buoyancy enhancing assembly; 4. a dirt removing structure; 5. a water body monitoring assembly.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6 together, a repairing system for tail water of cold water fish culture according to the present invention will now be described. The repair system for the tail water of cold water fish culture is characterized by comprising: the device comprises a sedimentation tank 1, a biological brush filtering structure 2 and a plant purifying structure 3, wherein the sedimentation tank 1 is used for containing and filtering untreated breeding tail water; the biological brush filtering structure 2 is used for filtering the culture tail water treated by the sedimentation tank 1; the plant purification structure 3 is used for absorbing plant nutrient substances contained in the culture tail water passing through the biological brush filtering structure 2.

Breed the tail water and directly arrange into and precipitate in sedimentation tank 1, some solid can deposit in sedimentation tank 1, then through the breed tail water of sediment through biological brush filtration 2, biological brush filtration 2 carries out secondary filter to breeding the tail water, biological brush filtration 2 can intercept the cured substance of breeding the tail water, contain plant nutrient substance in the filterable breed tail water of biological brush filtration 2, the nutrient substance of breeding the tail water can plant purification structure 3 absorb, breed the tail water that has handled through plant purification structure 3 reaches and can discharge by final emission after the standard.

Compared with the prior art, the restoration system for the cold water fish culture tail water provided by the invention has the advantages that solid matters and plant nutrient substances in the culture tail water are respectively efficiently treated by the cooperation of the sedimentation tank 1, the biological brush filtering structure 2 and the plant purifying structure 3, so that the purification treatment effect on the culture tail water is effectively improved.

In some embodiments of the present invention, referring to fig. 1 to 6 together, the biological brush filter structure 2 includes: the biological brush cleaning device comprises a frame body 21, a biological brush assembly 22 and a cleaning assembly 23, wherein the biological brush assembly 22 is provided with a plurality of groups, and each group of biological brush assemblies 22 are respectively connected with the frame body 21; the biological brush component 22 is used for being immersed in the culture tail water; the cleaning assembly 23 is connected to the frame 21 and is used for driving at least one group of the bio-brush assemblies 22 to move and cleaning the solid matter attached to the bio-brush assemblies 22. The cleaning component 23 is arranged to clean the biological brush component 22 timely, so that the effective service time of the biological brush component 22 is effectively prolonged, and the treatment effect of the culture tail water restoration system is improved. The cleaning assembly 23 is arranged to clean the bio-brush assembly 22 while the bio-brush assembly 22 is working normally.

In this embodiment, the frame 21 is formed by splicing a plurality of stainless steel plates. A plurality of first connecting plates are arranged on the upper end face of the frame body 21 at intervals from left to right; a plurality of second connecting plates are arranged on the lower end face of the frame body 21 at intervals from left to right. The arrangement positions of the first connecting plates correspond to the arrangement positions of the second connecting plates one by one.

In this embodiment, the bio-brush module 22 is movably connected to the frame 21. Facilitating movement of the bio-brush assembly 22. The number of the bio-brush assemblies 22 is half of the first connection plate. Specifically, the biological brush assembly 22 includes a first movable belt, a second movable belt, and a biological brush body. The first movable belt is rotatably connected with the two adjacent first connecting plates. The second movable belt is rotatably connected with two adjacent second connecting plates. One end of the biological brush main body is connected with the first movable belt, and the other end of the biological brush main body is connected with the second movable belt. The biological brush main body is provided with a plurality of groups at intervals along the first movable belt. The first movable belt and the second movable belt are of a soft ring structure. Wherein, part of the first movable belt is movably connected with the cleaning component 23. Part of the second movable belt is movably connected with the cleaning component 23; at least one set of biological brush bodies is now located within cleaning assembly 23.

The biological brush main body is generally 15cm in diameter, the brush length is determined according to the water depth, is generally about 20cm higher than the jellyfish, is fixed up and down, and is 12-13cm in distance, so that the brushes are crossed, and the situation that particulate matters in tail water are intercepted in front of the filter dam as much as possible under the slight impact of water flow can be still ensured.

In some embodiments, cleaning assembly 23 cleans one set of bio-brush assemblies 22 first, and cleans another set of bio-brush assemblies 22 after the cleaning of the set of bio-brush assemblies 22 is completed.

In some embodiments, cleaning assembly 23 is capable of cleaning all of biological brush assemblies 22 simultaneously.

In some embodiments, the washing assembly 23 comprises: a housing 231, a rotating assembly 232 and a washing assembly 233, wherein the housing 231 is connected with the frame 21; the rotating assembly 232 is disposed within the housing 231; for moving at least one set of biological brush components 22; a flushing assembly 233 is disposed within the housing 231 for flushing the bio-brush assembly 22 located within the housing 231; the rinse assembly 233 communicates with the plant purification structure 3.

An accommodating cavity is arranged in the housing 231. The rotating assembly comprises a plurality of groups of first rotating parts arranged from left to right along the upper end face of the frame body 21, a plurality of groups of second rotating parts arranged from left to right along the lower end face of the frame body 21 and a transmission part movably connected with the shell 231. The transmission part is used for driving any one group of first rotating parts to rotate. The transmission part can rotate by moving any one group of the first rotating parts electrically. The second rotating portion corresponds one-to-one to the second movable belt in the bio-brush assembly 22. The second rotating part can drive the second movable belt to rotate when rotating. The first rotating portions correspond one-to-one to the first movable belts in the bio-brush assembly 22. The first rotating part can drive the first movable belt to rotate. The transmission part comprises a motor movably connected with the frame body 21 and a telescopic rod connected with the transmission end of the motor. The first rotating part is provided with a groove for the telescopic rod to extend into, and a clamping block is arranged in the groove. More specifically, the telescopic rod comprises a second sleeve and a clamping plate, wherein the first sleeve is sleeved on the first sleeve, the clamping plate is connected with the second sleeve, and the second sleeve can move along the axial direction of the first sleeve. One end of the first sleeve is connected with the motor. Still include the spring, spring one end and first bushing connection, the other end and second bushing connection. The first permanent magnet piece is arranged in the first sleeve. The electromagnetic member is disposed within the second sleeve. The electromagnetic piece and the first permanent magnetic piece are arranged at a certain distance. And the magnetic pole of the end of the electromagnetic piece close to the first permanent magnetic piece is opposite. When the telescopic link rotated, cardboard and fixture block blocked, can drive first rotating part and rotate.

The flushing assembly 233 includes: a rotating drum, a sponge block arranged on the rotating drum, and a washing head arranged on the barrel for washing the sponge block or/and the biological brush assembly 22. The drum rotates in synchronization with the rotation assembly 232. The flushing head is connected with the plant purification structure 3 through a pipeline. The tail end of the pipeline is provided with a water pump.

In some embodiments of the present invention, referring to fig. 1 to 6, the plant purification structure 3 includes: the floating assembly 31, the first protection assembly 32 and the buoyancy enhancement assembly 35, wherein plants are planted on the floating assembly 31; the first protection component 32 is connected with the suspension component 31 and is used for protecting plants planted on the suspension component 31; buoyancy enhancing assembly 34 is coupled to levitation assembly 31 for enhancing the buoyancy of levitation assembly 31. The plant is composed of low temperature resistant water culture plants.

The plant species of the restoration system for the cold water fish culture tail water can be one or more of loosestrife, iris, cress, cattail, watercress, watermifoil, eyeweed and hydrilla verticillata. Preferably, the filtering dam selects plants as the watermifoil. The floating bed is prepared from herba Chelidonii, rhizoma Iridis Tectori, rhizoma Typhae, herba Oenanthes Javanicae, and herba Rabdosiae Glaucocalycis.

The suspension assembly 31 comprises a plurality of hollow pipes connected with each other, and the hollow pipes surround to form a frame structure. The frame structure is provided with a supporting net rack. The plant is planted in the holding tank that frame structure and support rack formed.

In this embodiment, the first protection component 32 is a protective cage main body 321 and a solar panel 322 connected to the protective cage main body 321. The end of the protective box body 321 facing away from the water body is an open end. The solar panel 322 is rotatably connected to the protective cage main body 321 through a rotating shaft assembly. The solar panel 322 covers the open end of the protective box main body 321. Solar panels 322 can float on the water. Specifically, the first guard assembly 32 includes: a protective net box body 321 and a solar panel 322, wherein the protective net box body 321 is used for accommodating the suspension assembly 31; one end of the protective net box main body 321 is an open end; the solar panels 322 are provided with a plurality of pieces along the protective net box main body 321, each solar panel 322 passes through the rotating shaft component and the protective net box main body 321, each solar panel 322 has a first state and a second use state, and the solar panels 322 are unfolded to absorb solar energy in the first state; in the second state, the solar panels 322 are engaged with and cover the open end of the protective cage main body 321.

In this embodiment, the solar panel 322 includes an arc main body, plate bodies disposed on two sides of the arc main body, and a solar energy converter disposed on an arc surface of the arc main body. The solar panels 322 are provided with a plurality of pieces, and each solar panel 322 is rotatably connected with the opening end of the protective net box main body 321. The solar panel 322 has two states of use. In a first use state, the solar panel 322 is in an unfolded state, at the moment, the solar panel 322 contacts with the water surface, and the arc-shaped plate main body and the plate bodies arranged on two sides of the arc-shaped plate main body can prevent water from soaking the solar energy converter. The solar energy converter is irradiated by the sun, and then the conversion of the solar energy is completed. In the second use state, each solar panel 322 is in the amalgamation state, and each solar panel 322 amalgamates a lid, covers the open end of protection net case main part, avoids under the adverse circumstances (such as heavy rain, hail) condition, to plant and solar panel 322's harm. One end of the arc-shaped plate main body, which deviates from the solar energy converter, is provided with a buoyancy part, and the buoyancy part is contacted with the water surface in a first use state.

In some embodiments, the aquaculture tail water remediation system further comprises a water body monitoring assembly 5 for monitoring the water body environment. The water body monitoring assembly 5 comprises an underwater monitoring assembly, a control terminal assembly and a water quality monitoring assembly. The solar panel 322 is connected with an electricity storage structure, and the electricity storage structure is electrically connected with the underwater monitoring assembly, the control terminal assembly and the water quality monitoring assembly. The underwater monitoring assembly is used for detecting the condition of an underwater environment. The water quality monitoring assembly is used for detecting the water quality in real time. The monitoring results of the underwater monitoring assembly and the water quality monitoring assembly can be transmitted to the control terminal assembly. The user can know the operation condition in real time through the control terminal. The control terminal can be in communication connection with communication equipment such as a mobile phone. The user can remotely learn through communication equipment such as a mobile phone.

In some embodiments, the buoyancy enhancing element 35 is a floating ball structure connected to the suspension element 31 by a rope.

In some embodiments, plant cleaning structure 3 further comprises a dustfall assembly 33, dustfall assembly 33 being connected to suspension assembly 31; dust fall subassembly 31 is used for carrying out the dust removal operation to the plant. Dust fall subassembly 31 is including setting up water pump in the water body, with suspension subassembly 31 swing joint's sprinkler structure, the water pump passes through pipeline and sprinkler structure intercommunication. The spray head structure comprises a connecting body and a spray head body arranged in the movable body. The connector and suspension subassembly 31 swing joint can rotate along suspension subassembly 31's surface, make things convenient for the homogeneity that the shower nozzle knot sprayed water. The connector is a cross-shaped plate body structure.

In this embodiment, the plant purification structure 3 further comprises a cutting assembly 34 movably connected to the dustfall assembly 33. The cleaving assembly 34 includes: the device comprises a shell 341, a cutting part 342, a conveying part 343 and a movable part 345, wherein an accommodating cavity is arranged in the shell 341; the cut-off piece 342 is provided on the housing 341; the conveying member 343 is arranged on the housing 341 and is used for conveying the plants cut by the cutting member 342 into the accommodating cavity; the movable element 344 is connected to the housing 341 and configured to drive the housing 341 to move relative to the second protection component 42. The housing 341 has a groove for receiving vegetation. The cut-away piece 342 is located within the recess. The cut-off pieces 342 are slidably connected to the side walls of the groove. The cut-off 342 comprises a fan-shaped rotating cut-off portion with a slide block connected to a slide block. The delivery member 433 is an air suction assembly. When the fan-shaped rotary cutting part cuts the plants, the plants are sucked into the accommodating cavity in the shell 341 by the conveying member 433. Moving member 344 includes a transverse moving member and a longitudinal moving member connected to the transverse moving member. The transverse moving member is an electric telescopic member, and the electric telescopic member is connected with the housing 341. The longitudinal movement member includes a driving motor, a gear for being driven by the driving motor.

In some embodiments provided by the embodiment of the present invention, the dust settling assembly 33 is provided with a chute, and a rack adapted to the gear is provided on a side wall of the chute. The drive motor drives the gear to rotate, so that the cutting assembly 43 can move along the support rod.

In some embodiments of the present invention, referring to fig. 1 to 6, a cleaning structure 4 is disposed in the sedimentation tank 1; the cleaning structure 4 is used for removing solids in the tail water. The arrangement of the sewage disposal structure 4 can remove solid matters in the tail water in time, reduce the dissolution of nitrogen and phosphorus in the tail water and reduce the pressure of subsequent water purification. The sewage cleaning structure 4 is one or more of a sewage suction pump and an underwater silt remover.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A remediation system for cold water fish farming tailwater, comprising:

a sedimentation tank (1) for holding and filtering untreated culture tail water;

the biological brush filtering structure (2) is used for filtering the culture tail water treated by the sedimentation tank (1);

the plant purification structure (3) is used for absorbing plant nutrient substances contained in the culture tail water passing through the biological brush filtering structure (2).

2. A renovation system for tail water of cold water fish farming according to claim 1, characterized in that the biological brush filter structure (2) comprises:

a frame body (21);

the biological brush assembly (22) is provided with a plurality of groups, and each group of biological brush assembly (22) is respectively connected with the frame body (21); the biological brush component (22) is used for being immersed in the culture tail water;

and the cleaning assembly (23) is connected with the frame body (21) and is used for driving at least one group of the biological brush assembly (22) to move and cleaning solid matters attached to the biological brush assembly (22).

3. A renovation system for cold water fish culture tailwater according to claim 2, characterized in that the cleaning assembly (23) comprises:

a housing (231) connected to the frame (21);

a rotating assembly (232) disposed within the housing (231); for moving at least one group of the biological brush components (22);

a flushing assembly (233) disposed within the housing (231) for flushing the bio-brush assembly (22) located within the housing (231); the flushing assembly (233) is in communication with the plant purification structure (3).

4. A system for renovation of tail water for cold water fish farming according to claim 3, characterized in that the phytosanitary structure (3) comprises:

a suspension assembly (31) on which plants are planted;

the first protection component (32) is connected with the suspension component (31) and is used for protecting the plants planted on the suspension component (31);

a buoyancy enhancing assembly (35) connected to the suspension assembly (31) for enhancing the buoyancy of the suspension assembly (31).

5. The system for remediating tail water from cold water fish farming of claim 4, wherein: the plant purification structure (3) further comprises a dust fall assembly (33), and the dust fall assembly (33) is connected with the suspension assembly (31); the dust fall assembly (33) is used for performing dust removal operation on the plants.

6. The system for remediating tail water from cold water fish farming of claim 5, wherein: the first shield assembly (32) includes:

a protective net box body (321) for accommodating the suspension assembly (31); one end of the protective net box main body (321) is an opening end;

the solar panels (322) are arranged along the protective net box main body (321), each solar panel (322) passes through the rotating shaft component and the protective net box main body (321), each solar panel (322) has a first state and a second use state, and the solar panels (322) are unfolded to absorb solar energy in the first state; and in the second state, the solar panels (322) are matched with each other to cover the opening end of the protective net box main body (321).

7. The system for remediating tail water from cold water fish farming of claim 6, wherein: plant purification structure (3) still include with dust fall subassembly (33) swing joint's excision subassembly (34).

8. The system for remediating tail water from a cold water fish farming of claim 7, wherein: the cleaving assembly (34) includes:

a housing (341) in which a housing chamber is provided;

a cut-off member (342) provided on the housing (341);

a conveying member (343) arranged on the housing (341) and used for conveying the plants cut by the cutting member (342) to the accommodating cavity;

the movable piece (344) is connected with the shell (341) and is used for driving the shell (341) to move relative to the dustfall assembly (33).

9. A remediation system for cold water fish farming tailwater according to claim 8, wherein: a sewage disposal structure (4) is arranged in the sedimentation tank (1); the decontamination structure (4) is used for removing solids in the tail water.

10. A remediation system for use with cold water fish farming tailwater according to any one of claims 1 to 9 wherein: the water body monitoring device also comprises a water body monitoring assembly (5) for monitoring the water body environment.