CN113213693A - Biological food chain culture box type nutrient salt removing device for eutrophic water pollution treatment and aquaculture and construction method thereof - Google Patents
Biological food chain culture box type nutrient salt removing device for eutrophic water pollution treatment and aquaculture and construction method thereof Download PDFInfo
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
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- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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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
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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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Husbandry (AREA)
- Marine Sciences & Fisheries (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Zoology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a biological food chain culture box type nutritive salt removing device for eutrophic water pollution treatment and aquaculture and a construction method thereof. Comprises a suspension box body and a biological bacteria membrane body cultivation and purification device constructed outside the box body; the aquatic animal culture water body oxygenation purification device is constructed in the box body, the siphon separation and collection device for decomposing organic nutrient salt converted substance liquid by biological bacteria and aquatic animals, the biological bacteria fermentation and biological bacteria oxidation decomposition device for the organic nutrient salt converted substance, the water supernatant biological disinfection and decanting device and other multifunctional units are integrated into the aquaculture and eutrophication water body nutrient salt separation extraction treatment technical system. The invention organically combines eutrophic water pollution treatment with aquaculture from the actual standpoint, selects, cultures and domesticates organisms such as microorganisms, aquatic animals, aquatic plants and the like in the natural environment, constructs a multi-element, multi-direction, interdependent and mutually complementary biological food chain technical system, and creates a novel economic industrial mode of mutual coordination of investment and output of the fusion development of environmental protection and aquaculture industry.
Description
The technical field is as follows:
the invention belongs to the technical field of pollution treatment in the aquaculture industry, and particularly relates to a biological food chain culture box type nutrient salt removing device for eutrophic water pollution treatment and aquaculture and a construction method thereof.
Background art:
at present, the two problems of water body environment protection and the survival development of aquaculture industry at home and abroad are related to how human beings and natural environment develop orderly and harmoniously, and the consequences of the problems are as follows: the rapid development of the aquaculture industry can meet the material demand of people on aquatic products, but the existing aquaculture technology maintains and improves the yield by expanding the aquaculture area and putting a large amount of artificially synthesized feed and chemical disinfectants, and the residual feed, chemical disinfectants and a large amount of fish excretion are released into the water body to form a new pollution source, accelerate and expand the pollution of the water body, and generate carcinogenic, teratogenic and mutagenic 'three-cause' materials and other toxic and harmful substances in the water body; the increasing material demand of the public is influenced if the development of aquaculture industry is limited in order to protect the environment of water body.
In order to effectively solve the contradiction and ensure the water environment protection and the healthy development of the aquaculture industry, the development of a comprehensive technical system suitable for the water pollution control of lakes and reservoirs and the aquaculture and a construction method thereof are urgently needed.
The applicant applied chinese patent applications (application No. 201410212301.0, application publication No. CN103979676A, entitled suspension lift aeration biological filter membrane system for polluted water treatment and restoration and construction method thereof) on 5/19/2014 and chinese patent applications (application No. ZL201410720843.9, application publication No. CN104478083A, entitled air-wash water type three-dimensional biological chain membrane open treatment system for polluted water treatment and construction method thereof) on 12/2/2014. The applicant obtains a more perfect, scientific and advanced treatment technology system through repeated practical research and empirical summary on the polluted water treatment site for many years.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The invention content is as follows:
the invention aims to provide a biological food chain culture box type nutritive salt removing device for eutrophic water pollution treatment and aquaculture and a construction method thereof, so that the defects of the existing polluted water treatment technology and the traditional aquaculture method are overcome.
In order to achieve the purpose, the invention provides a box-type nutritive salt removing device for eutrophic water pollution treatment and aquaculture biological food chain culture, which comprises a box body suspended in a water body, wherein the box body is an open box body formed by hot-pressing waterproof cloth, the whole box body is arranged in the water body, the peripheral edges of an opening of the box body are connected with a floating body to form a suspended box body suspended in the water body, the floating body is a closed ring-shaped floating body which is made of a pipe material (preferably made of Polyethylene (PE) material) with a solid arm through heating connection and floats on the water body, a plurality of functional units are built in the box body, and the functional units are communicated with one another through pipelines in the suspended box body according to design requirements;
the several functional units include: the aquatic animal (filter feeding fish) culture device is internally provided with a water body oxygenation system, an aquatic animal excrement and other waste liquid siphon collection system;
the aquatic animal excrement and other waste collecting and treating device is internally provided with a collecting, precipitating and fermenting system, a supernatant biological bacterium biochemical decomposition system and a supernatant disinfecting and decanting system;
and a biological bacterium culture membrane body device is arranged outside the suspension box body.
Preferably, in the above technical scheme, the floating body floats on the surface of the water body, the tank body is placed in the water body, water in the tank body is isolated from the natural water body, and a water inlet at one end of the tank body is communicated with the natural water body.
Preferably, in the above technical scheme, the floating body is manufactured by adopting an injection molding process of a Polyethylene (PE) material, and the floating body is formed by filling a polystyrene foam material in the finished floating body and the pipe fitting in a dense manner during field assembly.
The specification and structure of the floating body are respectively developed and manufactured into dies of a rectangular pipe body, a rectangular pipe tee joint, a rectangular pipe four-way joint, a rectangular pipe elbow and the like with the same specification, and the dies are produced by injection molding in a factory through a batch vacuum forming process.
Preferably, in the above technical scheme, the box body is mainly made of oxford cloth, knife cloth, coating cloth and waterproof canvas which are woven by short fiber and produced by spraying PVC glue through hot press forming.
The functional area is formed by a box body formed by materials such as oxford cloth, knife scraping cloth, coating cloth, waterproof canvas and the like which are made of waterproof materials through hot pressing.
Preferably, in the above technical scheme, the lower parts of the two sides of the floating body are connected with the box body shaping steel pipe and the box body edge opening air hole into the floating box body after being fixed by angle steel and a fastener hoop.
Preferably, in the above technical scheme, a rectangular water inlet hole is reserved at one end of the aquatic animal breeding device, a nylon net (preferably with a mesh size of 1cm × 1 cm) is used for hot-pressing and fixing the water inlet hole to form a water inlet barrier, and a liquid siphon drain is reserved at the bottom of the other end tank of the suspension tank body.
Preferably, in the above technical scheme, the water oxygenation system in the aquaculture device is made of PVC oxford fabric into hoses which are respectively hot-pressed and positioned on the bottom of the aquatic animal aquaculture tank and the tank body to construct an underwater oxygenation pipe network.
Preferably, in the technical scheme, the oxford fabric with good air permeability for the water oxygenation system in the culture device is fixed into the aeration uniform distribution layer of the aquatic animal culture tank bottom oxygenation pipe network through hot pressing.
Preferably, in the above technical solution, the siphon collection system connects the bottom of the aquatic animal raising tank with the bottom of the aquatic animal excrement and other waste collection and treatment tank through a hose made of PVC oxford fabric, and the liquid siphon technology collects the aquatic animal excrement and other waste into the aquatic animal excrement and other waste collection and treatment device.
Preferably, in the technical scheme, one third of the length of the aquatic animal excrement and other waste collection and treatment box is provided with a partition wall made of oxford cloth, the partition wall and the box body are at the same height, transverse water through holes (preferably 60cm multiplied by 20 cm) are respectively reserved at the two thirds height of the partition wall from the bottom to the top, a biological bacteria fermentation device is constructed in the precipitation area at the water inlet side to carry out fermentation treatment on excrement and waste, the biological bacteria membrane device is constructed on the side of the partition wall water outlet to carry out secondary biochemical decomposition on the separated supernatant, the flexible pipes made of PVC oxford are respectively positioned on the bottom of the box and the box body on the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment box in a hot pressing way and are connected with the air outlet of the fan for increasing oxygen for aerobic bacteria in the water body of the unit, the aeration distribution layer is constructed by fixing oxford with good air permeability on the oxygen increasing pipe network at the bottom of the box on the water outlet side of the partition wall through hot pressing.
Preferably, in the above technical solution, a biofilm culturing device is arranged outside the suspension box, the biofilm culturing device comprises a biofilm bracket formed by connecting and fixing steel angles fixed by metal materials and fasteners on the floating body at an interval of 50 cm, and the biofilm is constructed by fixing biological fillers on a grid-shaped mesh and mounting the mesh on the bracket.
A construction method of a biological food chain culture box type nutritive salt removing device for eutrophic water pollution treatment and aquaculture comprises the following steps:
s1, determining the specification and the size of the monomer culture treatment device according to the hydrogeological conditions of the water body and the eutrophication degree of the water body, and respectively arranging one or more culture treatment devices on the water body;
s2, conveying equipment and materials matched with factory production to the site for assembly according to site conditions and established schemes;
and S3, matching the pipe fittings such as the rectangular pipe body, the rectangular pipe tee joint, the rectangular pipe four-way joint, the rectangular pipe elbow and the like according to the design specification requirements, filling polystyrene foaming materials in the pipe fittings, and forming the floating body through hot melting connection.
S4, fastening the connecting angle steel with fasteners under the two sides of the forming floating body, and connecting the connecting angle steel with the box body shaping steel pipe and the box body edge opening air hole;
s5, manufacturing an aquatic animal breeding box by an oxford fabric sprayed with PVC glue according to the design specification and size through a hot-press forming process, reserving air holes made of polyethylene materials every 50 centimeters at positions 5 centimeters below the edge of the formed box body, and fixedly connecting the air holes with fastener angle steel on one side of the floating body;
s6, reserving a rectangular water inlet hole at one end of the aquatic animal breeding box, forming a water inlet barrier by hot pressing a nylon net with meshes of 1cm multiplied by 1cm on the reserved hole, and reserving a liquid siphon discharge port at the bottom of the box at the other end of the box body;
s7, respectively positioning the hoses on the bottom of the aquatic animal breeding box and the box body by hot pressing according to design requirements, and connecting the hoses with an air outlet of a fan for water oxygenation;
s8, fixing the oxford fabric with good air permeability into an aeration distribution layer of an air supply pipe network at the bottom of the aquatic animal breeding box through hot pressing, and uniformly releasing air entering the bottom of the box body into a water body through the aeration distribution layer;
s9, manufacturing the aquatic animal excrement and other waste collection and treatment box by using oxford coated with PVC glue through a hot-pressing forming process according to the designed specification and size, reserving air holes made of polyethylene materials at intervals of 50 cm at positions 5 cm below the edge opening of the forming box body, and fixedly connecting the air holes with fastener angle steel on one side of the floating body;
s10, connecting the bottom of the aquatic animal breeding box with the bottom of an aquatic animal excrement and other waste collecting and treating box body by using a hose made of PVC oxford, and collecting the aquatic animal excrement and other waste by using a liquid siphon technology;
s11, manufacturing a partition wall by using oxford cloth at one third of the length of a box for collecting and treating the excrement of the aquatic animals and other wastes, wherein the partition wall is as high as the box, transverse water passing holes of 60cm multiplied by 20cm are reserved at two thirds of the height of the partition wall from the bottom to the top, a biological bacteria fermentation device is constructed in a precipitation area at the water inlet side to ferment the excrement and other wastes, and a biological bacteria membrane device is constructed at the water outlet side of the partition wall to carry out secondary biochemical decomposition on the separated supernatant;
s12, making hoses by PVC oxford fabric, respectively hot-pressing and positioning the hoses on the bottom and the upper part of the box body of the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment box, and connecting the hoses with an air outlet of a fan for increasing oxygen for aerobic bacteria in the water body of the unit;
s13, fixing the oxford fabric with good air permeability into an aeration distribution layer of a box bottom air supply pipe network on the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and sedimentation box through hot pressing, and uniformly releasing air entering the bottom of the box body into a water body through the aeration distribution layer;
s14, installing a bracket on the angle steel at the joint of the floating body and the box body at the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment box by using a metal material, fixing biological fillers on a latticed net sheet, and installing the net sheet on the bracket made of the metal material to construct an aerobic bacteria biofilm body device;
s15, installing a CMH biological disinfection device in a supernatant area of the aquatic animal excrement and other waste collection and treatment box to carry out biological disinfection on the supernatant;
s16, installing a decanting device at the end of the sterilizing area of the aquatic animal excrement and other waste collecting and treating box for decanting the supernatant liquid after biochemical decomposition and biological sterilization out of the aquaculture device and discharging the supernatant liquid into a water body;
s17, carrying out hot pressing and positioning by using oxford cloth strips every 30 centimeters at intervals of every two meters on the outer side and the outer bottom of the manufactured and formed aquatic animal breeding and aquatic animal excrement and other waste collection and treatment box body to form connecting strips for connecting with the forming steel pipes of the box body;
s18, constructing a biological biofilm body device outside the suspension box, connecting and fixing a metal material and angle steel fixed by a fastener on the floating body at an interval of 50 cm to form a biological biofilm body bracket, fixing biological fillers on a latticed net sheet, and then installing the net sheet on the bracket to construct the biological biofilm body.
Compared with the prior art, the invention has the following beneficial effects:
the invention has the following beneficial effects:
1. the invention overcomes and solves the problem of environmental protection of water body and the problem of restricting economic development caused by water body protection and development and utilization in the two different fields of natural water body environmental pollution prevention and control and the expanded development of aquaculture industry at home and abroad at present, has succeeded in a plurality of water body pollution treatment projects, fills the technical blank of treating polluted water bodies in large lakes and reservoirs, and simultaneously provides a novel aquaculture concept for the aquaculture industry and a set of complete scientific, environment-friendly, energy-saving, safe and efficient aquaculture technical modes formed by the concept.
2. The invention adopts scientific and practical technical path to build living environment suitable for respective living development according to natural laws of physiological functions, life habits and the like of various organisms in the water body of the nature and organically combine the living environment to form a biological food chain, so as to keep stable, continuous and effective removal of carbon, nitrogen, phosphorus, sulfide and product bacteria and algae substances after water body eutrophication in the water body, recover a diversified ecological system and self-purification function of the water body, and simultaneously avoid secondary pollution of the water body and harm of harmful substances remained in the water body to human beings caused by toxic and harmful substances such as carcinogenesis, teratogenesis, mutagenicity and the like generated by the water body due to long-term and large-amount chemical bactericide spraying of other water body treatment technologies and aquaculture technologies.
3. The invention is based on constructing a multifunctional suspension type cultivation box body, develops a technical system organically combining aquaculture and water body treatment technologies by taking a biological food chain as a core, and creates and realizes an economic industry chain win-win mode that fish purifies water, breeds fish and generates economic benefits to consolidate and develop water body pollution treatment.
4. The invention specifically embodies the energy-saving and environment-friendly concept that: firstly, the biological bacteria convert organic pollutants into water and inorganic matters, and meanwhile, the biological bacteria are eaten as natural baits of fishes; secondly, a large amount of bacterial and algae substances which are the eutrophication products of water bodies are consumed by the fishes in the growth process, so that the water bodies are purified, and meanwhile, the finished fishes provide abundant and various delicious high-quality fish proteins for the society; thirdly, the fish excretion is collected and fermented by biological bacteria to become organic fertilizer for crop growth and fertilization.
5. Compared with the patent applied by the applicant before, the eutrophic water pollution treatment and aquaculture are organically combined from the practical standpoint, organisms such as microorganisms, aquatic animals, aquatic plants and the like in the natural environment are selected, cultured and domesticated, and a multi-element, multi-direction, interdependent and mutually complementary biological food chain technical system is constructed, so that a novel economic industrial mode that the investment and the output of the fusion development of the environmental protection and aquaculture industry are matched with each other is created.
Description of the drawings:
FIG. 1 is a top view of a processing system according to example 1 of the present invention.
FIG. 2 is a cross-sectional view of a treatment system A-A according to example 1 of the present invention.
FIG. 3 is a cross-sectional view of a treatment system B-B in accordance with example 1 of the present invention.
FIG. 4 is a cross-sectional view of a treatment system C-C in accordance with example 1 of the present invention.
The specific implementation mode is as follows:
the following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Example 1 construction method of biological food chain culture box type nutrient salt removing device for eutrophic water pollution control and aquaculture
As shown in fig. 1, 2, 3 and 4, the biological food chain culture box type nutrient salt removing device for eutrophic water pollution control and aquaculture of the embodiment comprises a suspension box body 1, wherein the suspension box body 1 is respectively connected and fixed with two box bodies with different functions, namely a water production culture box and a fish feces and other waste collection and treatment box, through angle steels 4 and 4-1 fixed by fasteners arranged below two sides of a floating body 2 and fixed on the box bodies 3 and 3-1 and steel pipes and air holes along openings on the box bodies 14 and 14-1, and a water body oxygenation system consisting of a fan 17, hoses 18-1 made of PVC oxford fabric and oxford fabric aeration distribution layers 16 and 16-1 arranged in the aquaculture box body; the aquatic animal excrement and other waste liquid siphon collecting system consists of a water decanting device 10, a water decanting device 10-1, a liquid siphon discharge port 5, a water decanting device 5-1 and a PVC oxford hose 13, a water decanting device 13-1; a supernatant biological bacteria biochemical decomposition system consisting of a fan 17, flexible pipes 18 and 18-1 made of PVC oxford fabric, aeration distribution layers 21 and 21-1 and biological bacteria membrane bodies 8 and 8-1 in the aquatic animal excrement and other waste collection and treatment box, and a supernatant disinfection and decanting system consisting of CMH biological disinfection devices 15 and 15-1 and decanting devices 10 and 10-1; the biological bacteria culture device is constructed by the supports 6, 6-1 and 6-2 outside the floating body of the suspension box and the biological filler meshes 7, 7-1 and 7-2, and the treatment device floats on the surface of the water body.
The construction method of the system of the embodiment comprises the following steps:
firstly, determining the specification and the size of a culture treatment suspension box body 1 according to the hydrogeological conditions of a water body and the eutrophication degree of the water body, and respectively arranging one or more culture treatment devices on the water body;
and secondly, transporting equipment and materials matched with factory production to the site for assembly according to site conditions and established schemes.
Thirdly, mixing the pipe fittings such as the rectangular pipe body, the rectangular pipe tee joint, the rectangular pipe four-way joint and the rectangular pipe elbow according to the design specification requirement, filling the polystyrene foaming material in the pipe fittings, and forming the floating body 2 through hot melting connection.
And fourthly, fixing the connecting piece angle iron 4 below two sides of the forming floating body 2 by using a fastener hoop for connecting with the box body shaping steel pipe and the box body edge opening air hole.
Fifthly, the box bodies 3 and 3-1 of the suspension box are made into aquatic animal breeding boxes by adopting oxford sprayed with PVC glue according to the designed specification and size through a hot-pressing shaping process, and air holes made of polyethylene materials are reserved at the positions 5 cm below the edge openings of the forming box bodies 3 and 3-1 at intervals of 50 cm and are used for being fixedly connected with the fastener angle steels 4 and 4-1 on one side of the floating body 2.
Sixthly, reserving rectangular water inlet holes at one ends of the aquatic animal breeding boxes 3 and 3-1, forming water inlet barriers 12 and 12-1 by hot pressing the reserved holes with a nylon net with meshes of 1cm multiplied by 1cm, and reserving liquid siphon discharge ports 5 and 5-1 at the bottom of the other end of the aquatic animal breeding box.
Seventhly, making hoses 18 and 18-1 from PVC oxford fabric, respectively hot-pressing and positioning the hoses on the bottoms of the aquatic animal breeding boxes 3 and 3-1 and the box body, and connecting the hoses with an air outlet of a fan 17 for water oxygenation.
And eighthly, fixing the oxford fabric with good air permeability into aeration distribution layers 16 and 16-1 of air supply pipe networks at the bottoms of the aquatic animal breeding boxes 3 and 3-1 through hot pressing, so that the air entering the bottom of the box body is uniformly dispersed and released into the water body through the aeration distribution layers 16 and 16-1.
And ninthly, manufacturing the aquatic animal excrement and other waste collecting and treating boxes 14 and 14-1 by using oxford coated with PVC glue through a hot-pressing forming process according to the designed specification and size, reserving air holes made of polyethylene material at intervals of 50 cm at positions 5 cm below the edge of the forming box body, and fixedly connecting the air holes with the fastener angle steels 4 and 4-1 on one side of the floating body 2.
Tenth, hoses 13 and 13-1 made of PVC oxford are arranged at the bottoms of the aquatic animal breeding tanks 3 and 3-1, liquid siphon discharge outlets 5 and 5-1 are communicated with the bottoms of the aquatic animal excrement and other waste collecting and treating tanks 14 and 14-1, and the aquatic animal excrement and other waste are collected by a liquid siphon technology.
Step ten, manufacturing a partition wall 9 and a partition wall 9-1 by using oxford cloth at one third of the length of the collection and treatment box 14 and the collection and treatment box 14-1 for the aquatic animal excrement and other wastes, wherein the partition wall 9 and the partition wall 9-1 are as high as the box body 14 and the box body 14-1, respectively reserving 60cmx20cm transverse water through holes at the two thirds from the bottom to the upper part of the partition wall 9 and the partition wall 9-1, constructing a biological bacteria fermentation device 22 and 22-1 at the water inlet side for performing fermentation treatment on the aquatic animal excrement and wastes, and constructing a biological bacteria film device 8 and 8-1 at the water outlet side of the partition wall 9 and the partition wall 9-1 for performing secondary biochemical decomposition on the separated supernatant.
And a twelfth step, making flexible pipes 18 and 18-1 by PVC oxford fabric, respectively hot-pressing and positioning the flexible pipes on the bottom of the aquatic animal excrement and other waste collection and treatment tank 4, 4-1 partition walls 9 and 9-1 water outlet side and the tank body, and connecting the flexible pipes with an air outlet of a fan 17 for increasing oxygen for aerobic bacteria in the unit water body.
And step thirteen, the oxford cloth with good air permeability is fixed into an aeration distribution layer of a tank bottom air supply pipe network at the water outlet side of the aquatic animal excrement and other waste collection and treatment tanks 14, 14-1 partition walls 9 and 9-1 through hot pressing, so that the air entering the bottom of the tank body is uniformly dispersed and released into the water body through the aeration distribution layers 21 and 21-1.
Fourteenth, installing supports 19 and 19-1 with metal materials on the angle steels 4 and 4-1 at the connecting parts of the box body and the floating body at the water outlet side of the aquatic animal excrement and other waste collection and sedimentation boxes 14, 14-1 partition walls 9 and 9-1, fixing the biological fillers on the latticed meshes 20 and 20-1, and then installing the meshes on the supports 19 and 19-1 with the metal materials to construct aerobic bacteria biofilm body devices 8 and 8-1.
Fifteenth, mounting CMH biological disinfection devices 15 and 15-1 in the supernatant separated from the aquatic animal excrement and other waste collection and treatment boxes 14 and 14-1 biological biofilm body devices 8 and 8-1 to carry out biological disinfection on the supernatant.
Sixthly, arranging CMH biological disinfection devices 15 and 15-1 in the supernatant tanks separated from the aquatic animal excrement and other waste collection and treatment tanks 14 and 14-1 biological bacteria membrane devices 8 and 8-1, arranging decanting systems 10 and 10-1 at the tail ends of the CMH biological disinfection devices 15 and 15-1, and discharging the treated water into water.
Seventhly, carrying out hot pressing and positioning on the outer sides and the outer bottoms of the manufactured and formed aquatic animal breeding boxes 3 and 3-1 and aquatic animal excrement and other waste collecting and treating boxes 14 and 14-1 at intervals of two meters by using oxford cloth strips at intervals of 30 centimeters to form connecting strips for connecting with the shaping steel pipes of the box body.
Eighteenth, constructing the membrane bodies 23 and 23-1 of the biological bacteria culture device outside the floating body 2 of the suspension box, connecting and fixing the biological membrane body supports 6, 6-1 and 6-2 by using metal materials at intervals of 50 cm and angle steel fixed on the floating body by fasteners, fixing biological fillers on the latticed meshes 7, 7-1 and 7-2, and then installing the meshes 7, 7-1 and 7-2 on the supports 6, 6-1 and 6-2 to construct the biological membrane bodies 23 and 23-1.
Example 1 experimental application in eutrophic water pollution treatment:
two ponds with the area about six mu are formed in the yellow village of the west bridge street in the rain flower area of Nanjing city, as more than twenty residents live in the pond, daily domestic water of the residents is basically discharged into the pond to cause serious eutrophication of the water body of the pond, four fifths of the area of the blackened and odorized water surface of the water body is covered by thick blue-green algae, great troubles are caused to the life of local residents, and the residents continuously complain every spring to autumn.
The western bridge streets are used for changing the living environment of residents in the yellow village, public bidding is carried out on the network, and finally the residents adopt the technology of the invention to treat the eutrophic water body in the second pond in the yellow village. The result of sampling and detecting the water quality of the pond before treatment is as follows: 11.7 mg/L of ammonia nitrogen, 0.8 mg/L of dissolved oxygen, 0.7 mg/L of total phosphorus and 12cm of transparency.
The biological food chain culture box type nutritive salt removing device for water pollution control and aquaculture constructed by the invention is used for treating the pond, after the treatment system in the embodiment 1 is operated for one month, blue algae floating on the water surface completely disappear, the water body becomes clear and the odor completely disappears, the water quality is obviously improved, and as the water quality of the pond reaches the five-class standard of national surface water, the pond is contracted by local residents to cultivate fish at present.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (12)
1. A box-type nutritive salt removing device for eutrophic water pollution control and aquaculture biological food chain culture comprises a box body suspended in a water body, and is characterized in that the box body suspended in the water body is an open box body made of waterproof cloth materials through hot pressing, the whole box body is placed in the water body, the peripheral edges of an opening of the box body are connected with a floating body to form a suspended box body suspended in the water body, the floating body is a closed ring-shaped floating body which is made of solid-arm pipes through heating connection and floats on the water body, a plurality of functional units are built in the box body, and the functional units are communicated with each other through pipelines in the suspended box body according to design requirements;
the several functional units include: the aquatic animal breeding device is internally provided with a water body oxygenation system, an aquatic animal excrement and other waste liquid siphon collection system;
the aquatic animal excrement and other waste collecting and treating device is internally provided with a collecting, precipitating and fermenting system, a supernatant biological bacterium biochemical decomposition system and a supernatant disinfecting and decanting system;
and a biological bacterium culture membrane body device is arranged outside the suspension box body.
2. The eutrophic water pollution control and aquaculture tank-type nutritive salt removing device of claim 1, wherein the floating body floats on the surface of the water body, the tank body is placed in the water body, the water in the tank body is isolated from the natural water body, and the water inlet at one end of the tank body is communicated with the natural water body.
3. The eutrophic water pollution control and aquaculture biological food chain culture box-type nutritive salt removing device of claim 1, wherein the floating body is made by polyethylene PE material injection molding process, and polystyrene foam material is filled in the finished floating body and the pipe fittings to be compacted when the floating body is assembled on site.
4. The box-type nutritive salt remover for eutrophic water pollution control and aquaculture chain culture of organisms according to claim 1, wherein the material of the suspension box body is mainly made of oxford cloth, knife scraping cloth, coating cloth and waterproof canvas which are woven by short fiber and produced by spraying PVC glue through hot-pressing forming.
5. The eutrophic water pollution control and aquaculture biological food chain culture box-type nutritive salt removing device of claim 1, wherein the lower parts of the two sides of the floating body are fixed by angle steel and fasteners and then connected with the box body shaping steel pipe and the box body edge opening air hole to form a suspension box body.
6. The eutrophic water pollution treatment and aquaculture biological food chain culture box-type nutritive salt removing device of claim 1, which is characterized in that a rectangular water inlet hole is reserved at one end of the aquatic animal culture device, a nylon net is used for hot-pressing and fixing the water inlet hole to form a water inlet barrier, and a liquid siphon discharge outlet is reserved at the bottom of the other end of the suspension box.
7. The eutrophic water pollution treatment and aquaculture biological food chain aquaculture box type nutritive salt removing device of claim 1, which is characterized in that a water oxygenation system in the aquaculture device is made of PVC oxford cloth and made into hoses which are respectively positioned on the bottom of an aquatic animal aquaculture tank and on a tank body in a hot pressing manner to construct an underwater oxygenation pipe network.
8. The eutrophic water pollution control and aquaculture biological food chain aquaculture box-type nutrient salt removing device of claim 1, wherein the water oxygenation system in the aquaculture device is fixed by the high-permeability oxford fabric through hot pressing to form a uniform aeration distribution layer of the aquatic animal aquaculture tank bottom oxygenation pipe network.
9. The eutrophic water pollution abatement and biological food chain aquaculture box-type nutritive salt removing device of claim 1, wherein the siphon collecting system connects the bottom of the aquatic animal aquaculture box with the bottom of the aquatic animal excrement and other waste collecting and treating box through a hose made of PVC oxford cloth, and the aquatic animal excrement and other waste are collected into the aquatic animal excrement and other waste collecting and treating device through a liquid siphon technology.
10. The eutrophic water pollution control and aquaculture biological food chain culture box-type nutritive salt removing device of claim 1, wherein one partition wall is made of oxford cloth at one third of the length of the box for collecting and treating the excreta and other wastes of the aquatic animals, the partition wall is as high as the box, the partition wall is left with a transverse water through hole from the bottom to two thirds of the height, the settling zone at the water inlet side is used for constructing a biological bacteria fermentation device to ferment the excreta and wastes, the biological bacteria membrane body device at the water outlet side of the partition wall is used for performing secondary biochemical decomposition on the separated supernatant, the PVC oxford cloth is used for making hoses which are respectively positioned at the bottom of the box at the water outlet side of the partition wall of the box for collecting and treating the wastes of the aquatic animals and other wastes and are connected with the air outlet of the fan for increasing oxygen for the aerobic bacteria in the unit water, the aeration distribution layer is constructed by fixing oxford with good air permeability on the oxygen increasing pipe network at the bottom of the box on the water outlet side of the partition wall through hot pressing.
11. The box-type nutritive salt removing device for eutrophic water pollution control and aquaculture biological food chain culture as recited in claim 1, wherein the suspension tank is externally provided with a biological bacteria culture membrane device, the biological bacteria culture membrane device comprises a biological membrane bracket formed by connecting and fixing steel angles fixed by metal materials and fasteners on the floating body at an interval of 50 cm, and biological fillers are fixed on the grid-shaped mesh and then the mesh is mounted on the bracket to form the biological membrane.
12. A construction method of a biological food chain culture box type nutritive salt removing device for eutrophic water pollution treatment and aquaculture is characterized by comprising the following steps:
s1, determining the specification and the size of the monomer culture treatment device according to the hydrogeological conditions of the water body and the eutrophication degree of the water body, and respectively arranging one or more culture treatment devices on the water body;
s2, conveying equipment and materials matched with factory production to the site for assembly according to site conditions and established schemes;
s3, matching pipe fittings such as a rectangular pipe body, a rectangular pipe tee joint, a rectangular pipe four-way joint and a rectangular pipe elbow according to the design specification requirement, filling polystyrene foaming materials in the pipe fittings, and forming a floating body through hot melting connection;
s4, fastening the connecting angle steel with fasteners under the two sides of the forming floating body, and connecting the connecting angle steel with the box body shaping steel pipe and the box body edge opening air hole;
s5, manufacturing the suspension box body into an aquatic animal breeding box by adopting oxford cloth sprayed with PVC glue according to the design specification and size through a hot-pressing forming process, reserving air holes made of polyethylene materials at intervals of 50 cm at positions 5 cm below the edge opening of the forming box body, and fixedly connecting the air holes with a fastener angle steel on one side of the floating body;
s6, reserving a rectangular water inlet hole at one end of the aquatic animal breeding box, forming a water inlet barrier by hot pressing a nylon net with meshes of 1cm multiplied by 1cm on the reserved hole, and reserving a liquid siphon discharge port at the bottom of the box at the other end of the box body;
s7, respectively positioning the hoses on the bottom of the aquatic animal breeding box and the box body by hot pressing according to design requirements, and connecting the hoses with an air outlet of a fan for water oxygenation;
s8, fixing the oxford fabric with good air permeability into an aeration distribution layer of an air supply pipe network at the bottom of the aquatic animal breeding box through hot pressing, and uniformly releasing air entering the bottom of the box body into a water body through the aeration distribution layer;
s9, manufacturing the aquatic animal excrement and other waste collection and treatment box by using oxford coated with PVC glue through a hot-pressing forming process according to the designed specification and size, reserving air holes made of polyethylene materials at intervals of 50 cm at positions 5 cm below the edge opening of the forming box body, and fixedly connecting the air holes with fastener angle steel on one side of the floating body;
s10, connecting the bottom of the aquatic animal breeding box with the bottom of an aquatic animal excrement and other waste collecting and treating box body by using a hose made of PVC oxford, and collecting the aquatic animal excrement and other waste by using a liquid siphon technology;
s11, manufacturing a partition wall by using oxford cloth at one third of the length of a box for collecting and treating the excrement of the aquatic animals and other wastes, wherein the partition wall is as high as the box, transverse water passing holes of 60cm multiplied by 20cm are reserved at two thirds of the height of the partition wall from the bottom to the top, a biological bacteria fermentation device is constructed in a precipitation area at the water inlet side to ferment the excrement and other wastes, and a biological bacteria membrane device is constructed at the water outlet side of the partition wall to carry out secondary biochemical decomposition on the separated supernatant;
s12, making hoses by PVC oxford fabric, respectively hot-pressing and positioning the hoses on the bottom and the upper part of the box body of the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment box, and connecting the hoses with an air outlet of a fan for increasing oxygen for aerobic bacteria in the water body of the unit;
s13, fixing the oxford fabric with good air permeability into an aeration distribution layer of a box bottom air supply pipe network on the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and sedimentation box through hot pressing, and uniformly releasing air entering the bottom of the box body into a water body through the aeration distribution layer;
s14, installing a bracket on the angle steel at the joint of the floating body and the box body at the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment box by using a metal material, fixing biological fillers on a latticed net sheet, and installing the net sheet on the bracket made of the metal material to construct an aerobic bacteria biofilm body device;
s15, installing a CMH biological disinfection device in a supernatant area of the aquatic animal excrement and other waste collection and treatment box to carry out biological disinfection on the supernatant;
s16, installing a decanting device at the end of the sterilizing area of the aquatic animal excrement and other waste collecting and treating box for decanting the supernatant liquid after biochemical decomposition and biological sterilization out of the aquaculture device and discharging the supernatant liquid into a water body;
s17, carrying out hot pressing and positioning by using oxford cloth strips every 30 centimeters at intervals of every two meters on the outer side and the outer bottom of the manufactured and formed aquatic animal breeding and aquatic animal excrement and other waste collection and treatment box body to form connecting strips for connecting with the forming steel pipes of the box body;
s18, constructing a biological biofilm body device outside the suspension box, connecting and fixing a metal material and angle steel fixed by a fastener on the floating body at an interval of 50 cm to form a biological biofilm body bracket, fixing biological fillers on a latticed net sheet, and then installing the net sheet on the bracket to construct the biological biofilm body.
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| CN211935782U (en) * | 2020-01-17 | 2020-11-17 | 成都工业学院 | Experimental device for be used for aquatic animal to restore eutrophic water |
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| JPH078991A (en) * | 1993-06-07 | 1995-01-13 | Jinju Kyo | Anaerobic method and device for treating waste water of pig excretion |
| RU95100861A (en) * | 1995-01-19 | 1996-12-20 | В.И. Тумченок | Biomethane plant |
| CN1778716A (en) * | 2005-10-19 | 2006-05-31 | 江苏省淡水水产研究所 | Purifying system and method for mother of pearl in lake water-resource nutrient-enriched water body |
| CN101050028A (en) * | 2007-04-04 | 2007-10-10 | 华南师范大学 | Equipment for purifying ultrophication water body |
| US20100269761A1 (en) * | 2009-04-22 | 2010-10-28 | Te-Chih Nien | Method of aquaculture |
| CN101817592A (en) * | 2010-04-28 | 2010-09-01 | 中国海洋大学 | Comprehensive organism repairing method of eutrophication seawater cage culture zone |
| CN101880091A (en) * | 2010-07-15 | 2010-11-10 | 昆明光宝生物技术工程有限公司 | Method for controlling polluted water body |
| US20160362322A1 (en) * | 2014-06-27 | 2016-12-15 | Chi-Tse Kuo | Water treatment equipment for recirculating aquaculture |
| CN107512779A (en) * | 2017-09-28 | 2017-12-26 | 云南恒碧环保科技有限公司 | A kind of device of high efficiency purifying eutrophic water quality |
| CN208095727U (en) * | 2018-03-12 | 2018-11-16 | 通威股份有限公司 | A kind of box-type aquatic products recirculation system |
| CN211935782U (en) * | 2020-01-17 | 2020-11-17 | 成都工业学院 | Experimental device for be used for aquatic animal to restore eutrophic water |
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