CN113213693B - Biological food chain culture box type nutrient salt removal device for eutrophic water pollution control and aquaculture and construction method thereof - Google Patents
Biological food chain culture box type nutrient salt removal device for eutrophic water pollution control and aquaculture and construction method thereof Download PDFInfo
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- CN113213693B CN113213693B CN202011457016.7A CN202011457016A CN113213693B CN 113213693 B CN113213693 B CN 113213693B CN 202011457016 A CN202011457016 A CN 202011457016A CN 113213693 B CN113213693 B CN 113213693B
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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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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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
- Y02W10/00—Technologies for wastewater treatment
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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)
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- 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 nutrient salt removing device for eutrophic water pollution treatment and aquaculture and a construction method thereof. Comprises a suspension box body and a biological fungus membrane cultivation and purification device constructed outside the box body; an aquatic animal culture water oxygenation purification device constructed in a box body, a liquid siphon separation and collection device for decomposing organic nutritive salt conversion substances by biological bacteria and aquatic animals, a biological bacteria fermentation and biological bacteria oxidation decomposition device for the organic nutritive salt conversion substances, a water supernatant biological disinfection and decanting device and other multifunctional units are integrated into an aquaculture and eutrophic water nutritive salt separation and extraction treatment technical system. The invention organically combines eutrophic water pollution control with aquaculture from practical point of view, selects, cultivates and domesticates organisms such as microorganisms, aquatic animals and aquatic plants in natural environment, builds a multi-element, multi-azimuth, interdependence and mutually complementary biological food chain technical system, and creates a novel economic industry mode of the combination of input and output of the fusion development of environmental protection and aquaculture industry.
Description
Technical field:
the invention belongs to the technical field of pollution control in the aquaculture industry, and particularly relates to a biological food chain culture box type nutrient salt removal device for eutrophic water pollution control and aquaculture and a construction method thereof.
The background technology is as follows:
at present, two problems related to the ordered and harmonious development of human and natural environments, namely the water environmental protection and the survival development of aquaculture industry at home and abroad, are developed, and the problems are as follows: the great development of the aquaculture industry can meet the material demands of people on aquatic products, but the existing aquaculture technology maintains and improves the yield by expanding the aquaculture area and greatly adding artificial synthetic feeds and chemical sterilizing bactericides, and the residual feeds, the chemical sterilizing bactericides and a great amount of fish diarrhea substances are released into the water body to form new pollution sources so as to accelerate and expand the pollution of the water body and generate cancerogenic, teratogenic and mutagenic 'three-causing' substances and other toxic and harmful substances in the water body; the growing material demands of the people are affected if the development of the aquaculture industry is limited in order to protect the water environment.
In order to effectively solve the contradiction, protect the water environment and make the aquaculture industry develop healthily, it is now highly demanded to develop a comprehensive technical system suitable for controlling the water pollution of lakes and reservoirs and aquaculture and a construction method thereof.
The applicant applies for Chinese patent application (application number 201410212301.0, application publication number CN103979676A, named as suspended lifting type aeration biological filter membrane system for pollution water treatment and restoration and construction method thereof) in 5.19 and applies for Chinese patent application (application number ZL201410720843.9, application publication number CN104478083A, named as air washing water type three-dimensional biological chain membrane open type treatment system for pollution water treatment and construction method thereof) in 12.2 of 2014 respectively. The applicant obtains a more perfect and scientific advanced treatment technology system through repeated practical research and experience summarization 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 of ordinary skill in the art.
The invention comprises the following steps:
the invention aims to provide a biological food chain culture box type nutrient salt removing device for eutrophic water pollution treatment and aquaculture and a construction method thereof, thereby overcoming the defects in the prior polluted water treatment technology and the traditional aquaculture method.
The invention provides a biological food chain culture box type nutrient salt removing device for eutrophic water pollution control and aquaculture, 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 the box body opening are connected with a floating body to form a suspension box body suspended in the water body, the floating body is a closed ring-shaped floating body which floats on the water body and is formed by heating and connecting (preferably made of polyethylene PE) pipes of solid arms, and a plurality of functional units are constructed in the box body, and the functional units are mutually communicated through pipelines according to design requirements in the suspension box body;
the several functional units include: the aquatic animal (filter feeding fish) cultivation device is internally provided with a water oxygenation system and a siphon collection system for aquatic animal excreta and other waste liquid;
the aquatic animal excrement and other waste collecting and treating devices are internally provided with a sediment collecting and fermenting system, a supernatant biological bacteria biochemical decomposing system and a supernatant sterilizing and decanting system;
the outside of the suspension box body is provided with a biological fungus culture membrane body device.
Preferably, in the above technical scheme, the floating body floats on the surface of the water body, the box body is placed in the water body, water in the box body is isolated from the natural water body, and the water inlet at one end of the box body is communicated with the natural water body.
Preferably, in the above technical scheme, the floating body is manufactured by adopting a Polyethylene (PE) material injection molding process, and polystyrene foam materials are filled in the finished floating body and the pipe fitting for compaction when the floating body is assembled on site.
The standard structure of the floating body is that molds such as rectangular pipe bodies, rectangular pipe tee joints, rectangular pipe four-way joints, rectangular pipe bending heads and the like with the same standard are respectively developed and manufactured, and batch vacuum shaping technology is adopted in factories for injection molding production.
Preferably, in the above technical scheme, the material of the box body is mainly oxford, knife scraping cloth, coating cloth and waterproof canvas which are woven by short fiber and produced by spraying PVC glue through hot press forming.
The waterproof box comprises a functional area formed by a box body formed by hot pressing materials such as oxford cloth, knife scraping cloth, coating cloth, waterproof canvas and the like.
Preferably, in the above technical scheme, the lower parts of the two sides of the floating body are fixed by angle steel and fastener hoops and then are connected with the box body shaping steel pipe and the box body edge gas hole to form a floating box body.
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 size of 1cm multiplied by 1 cm) is used for hot pressing and fixing on the water inlet hole to form a water inlet barrier, and a liquid siphon discharge port is reserved at the bottom of the other end of the suspension box body.
Preferably, in the technical scheme, the water oxygenation system in the breeding device is manufactured into hoses by using PVC oxford cloth, and the hoses are respectively positioned on the bottom of the aquatic animal breeding box and the box body in a hot pressing mode to construct an underwater oxygenation pipe network.
Preferably, in the technical scheme, the oxford with good air permeability is used for the water oxygenation system in the cultivation device and is fixed into the aeration uniform distribution layer of the oxygenation pipe network at the bottom of the aquatic animal cultivation box through hot pressing.
Preferably, in the above technical solution, the siphon collecting system connects the bottom of the aquatic animal culturing tank with the bottom of the aquatic animal excrement and other waste collecting and treating tank by using a hose made of PVC oxford, and the aquatic animal excrement and other waste is collected into the aquatic animal excrement and other waste collecting and treating device by using a liquid siphon technology.
Preferably, in the above technical scheme, a partition wall is manufactured by oxford at one third of the long position of the aquatic animal excrement and other waste collection and treatment box body, the partition wall is co-high with the box body, transverse water passing holes (with the preferred size of 60cm multiplied by 20 cm) are respectively reserved at the two-thirds height of the partition wall from bottom to top, a biological bacteria fermenting device is constructed in a sedimentation area at the water inlet side for fermenting excrement and waste, a biological bacteria film body device is constructed at the water outlet side of the partition wall for secondarily decomposing separated supernatant fluid, a hose is manufactured by using PVC oxford, the tank bottom and the air outlet of a fan are respectively and thermally pressed and positioned at the water outlet side of the aquatic animal excrement and other waste collection and treatment box body, and the oxford with good air permeability is connected with the air outlet of the fan for carrying out hot-pressing oxygenation on the tank bottom of the water outlet side of the unit body, and an aeration distribution layer is constructed on the tank bottom oxygenation pipe network of the partition wall with good air permeability.
Preferably, in the above technical scheme, the suspension box body is externally provided with a biological fungus culture membrane device, the biological fungus culture membrane device comprises a biological membrane support formed by connecting and fixing angle steel fixed by a metal material and a fastener on a floating body at a distance of 50 cm, biological fillers are fixed on a grid-shaped net sheet, and the net sheet is mounted on the support to form a biological membrane.
The construction method of the biological food chain culture box type nutrient salt removal device for eutrophic water pollution control and aquaculture comprises the following steps:
s1, determining the specification and the size of a single culture treatment device according to the hydrogeological condition of a water body and the eutrophication degree of the water body, and respectively arranging one or more sets of culture treatment devices on the water body;
s2, conveying equipment and materials matched with factory production to the site for assembly according to the site situation and a formulated scheme;
and S3, matching the rectangular pipe body, the rectangular pipe tee joint, the rectangular pipe four-way joint, the rectangular pipe elbow and other pipe fittings according to the design specification, filling polystyrene foam materials in the pipe fitting body, and forming the floating body through hot melting connection.
S4, fixing angle steel of the connecting piece by using fastener hoops below two sides of the formed floating body, and connecting the angle steel with the box body forming steel pipe and the box body edge gas hole;
s5, manufacturing a box body of the suspension box into a aquatic animal cultivation box by adopting oxford sprayed with PVC glue through a hot press shaping process according to the design specification and size, reserving polyethylene air holes at intervals of 50 cm at a position 5 cm below a formed box body edge, and fixedly connecting 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, hot-pressing and shaping the rectangular water inlet hole on the reserved hole by using a nylon net with meshes of 1cm multiplied by 1cm to form a water inlet barrier, and reserving a liquid siphon discharge port at the bottom of the other end of the box body;
s7, manufacturing hoses by using PVC oxford, and respectively hot-pressing and positioning the hoses on the bottom and the box body of the aquatic animal breeding box according to design requirements, and connecting the hoses with an air outlet of a fan for oxygenation of water bodies;
s8, using oxford with good air permeability to be fixed into an aeration distribution layer of an air supply pipe network at the bottom of the aquatic animal cultivation box through hot pressing, so that air entering the bottom of the box is uniformly released into a water body through the aeration distribution layer;
s9, manufacturing oxford cloth sprayed with PVC glue into a aquatic animal excrement and other waste collection treatment box through a hot press shaping process according to the design specification and size, reserving polyethylene air holes at intervals of 50 cm at the position 5 cm below the edge of a shaping box body, and fixedly connecting with fastener angle steel on one side of a floating body;
s10, connecting the bottom of an aquatic animal breeding box with the bottom of an aquatic animal excrement and other waste collection treatment box 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 oxford at the position of one third of the long part of the aquatic animal excrement and other waste collection and treatment box body, keeping a transverse water passing hole of 60cm multiplied by 20cm respectively at the height of two thirds of the partition wall from bottom to top, constructing a biological bacteria fermentation device at a sedimentation area at one water inlet side to ferment and treat the excrement and other waste, and constructing a biological bacteria film device at the water outlet side of the partition wall to secondarily and chemically decompose the separated supernatant;
s12, manufacturing hoses by using PVC oxford, and respectively hot-pressing and positioning the hoses on the tank bottom and the tank body at the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment tank, wherein the hoses are connected with an air outlet of a fan and used for oxygenation of aerobic bacteria in the water body of the unit;
s13, using oxford with good air permeability to fix the oxford into an aeration distribution layer of a tank bottom air supply pipe network on the water outlet side of a partition wall of an aquatic animal excrement and other waste collecting and precipitating tank through hot pressing, so that air entering the bottom of the tank body is uniformly released into a water body through the aeration distribution layer;
s14, mounting a bracket on angle steel at the joint of a box body and a floating body at the water outlet side of a partition wall of the aquatic animal excrement and other waste collection and treatment box by using a metal material, fixing biological filler on a latticed net sheet, and mounting the net sheet on the bracket made of the metal material to construct an aerobic bacteria biomembrane body device;
s15, installing a CMH biological sterilization device in a supernatant area of the aquatic animal excrement and other waste collection treatment box to biologically sterilize the supernatant;
s16, installing a decanting device at the tail end of a sterilizing area of the aquatic animal excrement and other waste collection and treatment box for decanting supernatant after biochemical decomposition and biological sterilization into a water body;
s17, hot-pressing and positioning oxford strips at intervals of every 30 cm on the outer side of the manufactured and formed aquatic animal cultivation and aquatic animal excrement and other waste collection treatment box body and the outer bottom of the box body to form connecting strips for connecting with box body forming steel pipes;
s18, constructing a biological film body device outside the suspension box body, connecting and fixing angle steel fixed by a metal material and a fastener on the floating body at a distance of 50 cm to form a biological film body bracket, fixing biological filler on a grid-shaped net sheet, and then installing the net sheet on the bracket to form the biological film body.
Compared with the prior art, the invention has the following beneficial effects:
the beneficial effects of the invention are as follows:
1. the invention overcomes and solves the problem of environmental destruction and economic development restriction caused by water protection and development and utilization in two different fields of water environmental protection and aquaculture industry expansion and development in the current domestic and foreign natural water environmental pollution prevention and treatment, has succeeded in a plurality of water pollution treatment projects, fills up the technical blank of treatment after a large number of lakes and reservoirs of water are polluted, and simultaneously provides a novel aquaculture concept and a complete scientific, environment-friendly, energy-saving, safe and efficient aquaculture technical mode formed by the concept for the aquaculture industry.
2. According to the natural laws such as physiological functions and life habits of various organisms in a natural water body, a scientific and practical technology path is adopted to build living environments suitable for respective living development and organically combine the living environments to form a biological food chain, carbon, nitrogen, phosphorus and sulfide in the water body and bacterial algae substances which are products of eutrophication of the water body are stably, continuously and effectively removed, the ecological system and self-cleaning function of the water body are recovered, and meanwhile, the harm of the water body secondary pollution and the harm of residual harmful substances in the water body to human beings caused by the carcinogenic, teratogenic and mutagenic three-cause harmful substances generated by other water body treatment technologies and aquaculture technologies due to the regular and massive chemical bactericide spraying can be avoided.
3. The invention is based on constructing a multifunctional suspension type culture box body, and the technical system of organically combining the aquaculture and the water body treatment technology developed by taking a biological food chain as a core creates and realizes an economic industry chain win-win mode of consolidating and developing water body pollution treatment by purifying water by fish, culturing fish by water and producing economic benefits by fish.
4. The invention has the following specific ideas of energy conservation and environmental protection: 1. the biological bacteria convert organic pollutants into water and inorganic matters, and meanwhile, the biological bacteria are also natural baits of fishes to be eaten; 2. the fish consumes a large amount of bacteria and algae substances which are the products of water eutrophication in the growth process, the water is purified, and meanwhile, the finished fish provides rich and various high-quality fish proteins and delicious taste for society; 3. the fish diarrhea is collected and fermented by biological bacteria to form organic fertilizer for crop growth and fertilization.
5. Compared with the patent applied by the applicant, the invention organically combines the eutrophic water pollution control with the aquaculture from the practical point of view, selects, cultures and domesticates organisms such as microorganisms, aquatic animals and aquatic plants in natural environment, constructs a multi-element, multi-azimuth, interdependence and mutually complementary biological food chain technical system, and creates a novel economic industry mode of the combination of input and output of the fusion development of environmental protection and aquaculture industry.
Description of the drawings:
FIG. 1 is a top view of a treatment system according to embodiment 1 of the present invention.
FIG. 2 is a cross-sectional view of the treatment system A-A of example 1 of the present invention.
FIG. 3 is a cross-sectional view of a treatment system B-B according to example 1 of the present invention.
FIG. 4 is a cross-sectional view of a treatment system C-C according to example 1 of the present invention.
The specific embodiment is as follows:
the following detailed description of the embodiments of the invention is, however, to be understood that the invention is not limited to the embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising" or the like will be understood to include the stated element or component without excluding other elements or components.
Example 1 method for constructing a biological food and feed-chain culture tank-type nutrient salt removal apparatus 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 comprises a suspension box body 1, angle steel 4 and 4-1 fixed by fasteners arranged below two sides of the suspension body 2 of the suspension box body 1 are respectively connected with shaped steel pipes and a bead gas hole on the box bodies 3 and 3-1 and the box bodies 14 and 14-1 to be fixed into two box bodies with different functions, namely a water production culture box, a fish excrement and other waste collection treatment box, and a water oxygenation system which is arranged in the aquaculture box body and consists of flexible pipes 18 and 18-1 made of a fan 17 and PVC oxford cloth and oxford cloth aeration distribution layers 16 and 16-1; a liquid siphon collecting system for aquatic animal excreta and other wastes, which is formed by a water decanting device 10, 10-1, a liquid siphon discharge port 5, 5-1 and a PVC oxford hose 13, 13-1 in the aquaculture box body and in the aquatic animal excreta and other wastes collecting and treating box; a supernatant biological bacteria biochemical decomposition system consisting of a fan 17, hoses 18 and 18-1 made of PVC oxford, aeration distribution layers 21 and 21-1 and biological bacteria membrane bodies 8 and 8-1 and a supernatant disinfection and water decanting system consisting of CMH biological disinfection devices 15 and 15-1 and water decanting devices 10 and 10-1 in a water animal excrement and other waste collection treatment box; the biological bacteria culturing device is jointly constructed by a bracket 6, 6-1, 6-2 at the outer side of the floating body of the suspension box and a biological filler net sheet 7, 7-1 and 7-2, and the processing 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 condition of a water body and the eutrophication degree of the water body, and respectively arranging one or more sets of culture treatment devices on the water body;
and secondly, conveying equipment and materials matched with factory production to the site for assembly according to the site conditions and the established scheme.
And thirdly, proportioning the rectangular pipe body, the rectangular pipe tee joint, the rectangular pipe four-way joint, the rectangular pipe elbow and other pipe fittings according to the design specification, filling polystyrene foam materials in the pipe fitting body, and connecting the pipe fittings through hot melting to form the floating body 2.
And fourthly, fastening the angle steel 4 of the connecting piece by using fastening pieces to be wrapped and hooped below two sides of the formed floating body 2 for connecting with the box body forming steel pipe and the box body edge mouth and air holes.
Fifthly, the box bodies 3 and 3-1 of the suspension box are manufactured into the aquatic animal cultivation box by adopting oxford sprayed with PVC glue through a hot press shaping process according to the design specification and size, and air holes made of polyethylene are reserved at intervals of 50 cm at the position 5 cm below the edge of the formed box bodies 3 and 3-1 and are used for being fixedly connected with the fastener angle steels 4 and 4-1 on one side of the floating body 2.
And sixthly, reserving rectangular water inlet holes at one ends of the aquatic animal culturing boxes 3 and 3-1, hot-pressing and shaping the rectangular water inlet holes on the reserved holes by using nylon nets with meshes of 1cm multiplied by 1cm to form water inlet barrier grids 12 and 12-1, and reserving liquid siphon discharge ports 5 and 5-1 at the bottoms of the other ends of the aquatic animal culturing boxes.
Seventh, the PVC oxford is used for manufacturing hoses 18 and 18-1, which are respectively positioned on the bottoms of the aquatic animal cultivation boxes 3 and 3-1 and the box body in a hot pressing way, and are connected with the air outlet of the fan 17 for oxygenation of water.
Eighth step, oxford with good air permeability is used for hot pressing and fixing to form aeration distribution layers 16, 16-1 of the air supply pipe network at the bottom of the aquatic animal cultivation boxes 3, 3-1, so that air entering the bottom of the box body is uniformly dispersed and released into the water body through the aeration distribution layers 16, 16-1.
And ninth, manufacturing the oxford fabric sprayed with the PVC glue into aquatic animal excrement and other waste collection treatment boxes 14 and 14-1 through a hot press shaping process according to the design specification and size, and reserving polyethylene air holes at intervals of 50 cm at the position 5 cm below the edge of the formed box body for fixedly connecting with fastener angle steels 4 and 4-1 on one side of the floating body 2.
Tenth, the hoses 13, 13-1 made of PVC oxford are arranged at the bottom parts of the aquatic animal cultivation boxes 3, 3-1, the liquid siphon discharge ports 5, 5-1 are communicated with the bottoms of the aquatic animal excreta and other waste collection treatment boxes 14, 14-1, and the aquatic animal excreta and other waste are collected by the liquid siphon technology.
Eleventh, making partition walls 9 and 9-1 with oxford at one third of the length of the aquatic animal excrement and other waste collecting and treating boxes 14 and 14-1, respectively keeping 60cm x20cm transverse water holes at the two-thirds height of the partition walls 9 and 9-1 from bottom to top, constructing biological bacteria fermenting devices 22 and 22-1 at the water inlet side for a settling zone to ferment the aquatic animal excrement and waste, and constructing biological bacteria film devices 8 and 8-1 at the water outlet side of the partition walls 9 and 9-1 to secondarily decompose separated supernatant.
Twelfth, the PVC oxford is used for manufacturing hoses 18 and 18-1, the hoses are respectively positioned on the bottoms and the bodies of the aquatic animal excrement and other waste collection treatment boxes 4, 4-1 partition walls 9 and 9-1 on the water outlet side and are connected with the air outlet of the fan 17, and the hoses are used for oxygenation of aerobic bacteria in the water body of the unit.
And thirteenth step, the oxford cloth with good air permeability is used for being fixed into the aeration water distribution layer of the tank bottom air supply pipe network at the water outlet side of the aquatic animal excrement and other waste collection 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 water distribution layers 21 and 21-1.
Fourteenth step, metal material is used for installing brackets 19 and 19-1 on angle steels 4 and 4-1 at the connection parts of the tank bodies and floating bodies at the water outlet side of the separating walls 9 and 9-1 of the aquatic animal excrement and other waste collecting and settling tanks 14 and 14-1, biological fillers are fixed on grid-shaped net sheets 20 and 20-1, and then the net sheets are installed on the brackets 19 and 19-1 made of metal materials to construct aerobic bacteria biological membrane devices 8 and 8-1.
Fifteenth, the supernatant liquid separated by the biological bacterial membrane devices 8 and 8-1 of the aquatic animal excrement and other waste collection treatment tanks 14 and 14-1 is biologically disinfected by installing the CMH biological disinfection devices 15 and 15-1 in the supernatant liquid tanks.
Sixteenth, installing a CMH biological disinfection device 15, 15-1 in the supernatant tank separated from the aquatic animal excrement and other waste collection treatment tanks 14, 14-1 biological fungus membrane devices 8, 8-1, and arranging a water decanting system 10, 10-1 at the tail end of the CMH biological disinfection device 15, 15-1 to discharge the treated water into a water body.
Seventeenth, hot-pressing and positioning the formed aquatic animal raising boxes 3 and 3-1 and aquatic animal excrement and other waste collecting and treating boxes 14 and 14-1 into connecting strips at intervals of every two meters at intervals of every 30 cm by using oxford strips on the outer sides and the outer bottoms of the boxes for connecting with the box body shaping steel pipes.
Eighteenth, constructing membrane bodies 23, 23-1 of biological bacteria culturing devices outside the floating body 2 of the suspension box, connecting and fixing angle steel fixed by a metal material and a fastener on the floating body at intervals of 50 cm to form biological membrane body brackets 6, 6-1 and 6-2, fixing biological fillers on grid-shaped net sheets 7, 7-1 and 7-2, and installing the net sheets 7, 7-1 and 7-2 on the brackets 6, 6-1 and 6-2 to form biological membrane bodies 23, 23-1.
Example 1 test application in the treatment of eutrophic water pollution:
the yellow village of the west-good bridge street in the rain flower area of Nanjing is provided with two ponds with the area of about six mu, and because more than twenty households inhabitants reside around the ponds, daily domestic water of the inhabitants is basically discharged into the ponds to cause serious eutrophication of water bodies of the ponds, the area of four fifths of the blackening and odorizing water bodies is covered by thick blue algae, great trouble is caused to the life of local inhabitants, and resident complaints are continuously caused from spring to autumn every year.
The west good bridge street is used for changing the living environment of yellow village residents, bidding is disclosed on the internet, and finally, the west good bridge street adopts the technology of the invention to treat the Huang Cuner pond eutrophication water body. The water quality detection results of the pond sampling before treatment are as follows: the ammonia nitrogen is 11.7mg/L, the dissolved oxygen is 0.8mg/L, the total phosphorus is 0.7mg/L, and the transparency is 12cm.
The biological food chain culture box type nutrient salt removing device for water pollution control and aquaculture constructed by the invention is used for treating the pond, the blue algae floating on the water surface completely disappears after the treatment system of the embodiment 1 is operated for one month, the water becomes clear and odor completely disappears, the water quality is obviously improved, and the water quality of the pond reaches the five standards of national surface water, so that the local residents can carry out fishy cultivation on the pond.
The foregoing descriptions of specific exemplary embodiments of the present invention are 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 the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various 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 (2)
1. The biological food chain culture box type nutrient salt removing device for eutrophic water pollution treatment and aquaculture 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 formed by hot pressing a waterproof cloth material, the whole box body is placed in the water body, the peripheral edges of the opening of the box body are connected with a floating body to form a suspension box body suspended in the water body, the floating body is a closed ring-shaped floating body which floats on the water body and is formed by heating and connecting pipes of solid arms, and a plurality of functional units are constructed in the box body and are mutually communicated through pipelines according to design requirements in the suspension box body;
the several functional units include: the aquatic animal breeding device is internally provided with a water 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 provided with a sediment collecting and fermenting system, a supernatant biological bacteria biochemical decomposing system and a supernatant sterilizing and decanting system;
the outside of the suspension box body is provided with a biological fungus culture membrane body device;
the floating body floats on the surface of the water body, the box body is arranged in the water body, water in the box body is isolated from the natural water body, and a water inlet at one end of the box body is communicated with the natural water body;
the floating body is manufactured by adopting a Polyethylene (PE) material injection molding process, and polystyrene foam materials are filled in the finished floating body and the pipe fitting for compacting when the floating body is assembled on site;
the suspension box body material is mainly formed by hot-pressing oxford cloth, knife scraping cloth, coating cloth and waterproof canvas which are woven by short fiber and produced by spraying PVC glue;
the lower parts of the two sides of the floating body are fixed by angle steel and fastener hoops and then are connected with the box body shaping steel pipe and box body edge mouth gas holes to form a suspension box body;
a rectangular water inlet hole is reserved at one end of the aquatic animal breeding 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 port is reserved at the bottom of the other end of the suspension box body;
the water oxygenation system in the breeding device is manufactured into hoses by using PVC oxford, and the hoses are respectively positioned on the bottom of the aquatic animal breeding box and the box body in a hot pressing way to construct an underwater oxygenation pipe network;
the water oxygenation system in the breeding device is formed by fixing oxford with good air permeability into an aeration uniform distribution layer of an oxygenation pipe network at the bottom of an aquatic animal breeding box through hot pressing;
the siphon collecting system connects the bottom of the aquatic animal culturing box with the bottom of the aquatic animal excrement and other waste collecting and treating box by using a hose made of PVC oxford, and collects the aquatic animal excrement and other waste into the aquatic animal excrement and other waste collecting and treating device by using a liquid siphon technology;
manufacturing a partition wall with oxford at the long third part of the aquatic animal excrement and other waste collection and treatment box body, respectively reserving transverse water holes at the partition wall from bottom to top at the two thirds of the height, constructing a biological bacteria fermentation device at a sedimentation area at the water inlet side to ferment the excrement and the waste, secondarily decomposing the separated supernatant by constructing a biological bacteria film device at the water outlet side of the partition wall, respectively hot-pressing and positioning hoses with the oxford to the bottom of the water outlet side of the aquatic animal excrement and other waste collection and treatment box body and the box body, connecting with a fan air outlet to aerate aerobic bacteria in the unit water body, and fixing the oxford with good air permeability on an aeration pipe network at the bottom of the water outlet side of the partition wall through hot pressing to construct an aeration distribution layer;
the biological bacteria culture membrane device is arranged outside the suspension box body and comprises a biological membrane support formed by connecting and fixing angle steel fixed by a metal material and a fastener on the floating body at a distance of 50 cm, biological filler is fixed on a grid-shaped net sheet, and the net sheet is arranged on the support to form a biological membrane.
2. The construction method of the biological food chain culture box type nutrient salt removal device for eutrophic water pollution control and aquaculture is characterized by comprising the following steps:
s1, determining the specification and the size of a single culture treatment device according to the hydrogeological condition of a water body and the eutrophication degree of the water body, and respectively arranging one or more sets of culture treatment devices on the water body;
s2, conveying equipment and materials matched with factory production to the site for assembly according to the site situation and a formulated scheme;
s3, matching the rectangular pipe body, the rectangular pipe tee joint, the rectangular pipe four-way joint and the rectangular pipe elbow pipe fitting according to the design specification requirement, filling polystyrene foam materials in the pipe fitting body, and forming a floating body through hot melting connection;
s4, fixing angle steel of the connecting piece by using fastener hoops below two sides of the formed floating body, and connecting the angle steel with the box body forming steel pipe and the box body edge gas hole;
s5, manufacturing the suspension box body into a aquatic animal cultivation box by adopting oxford sprayed with PVC glue through a hot press shaping process according to the design specification and size, reserving polyethylene air holes at intervals of 50 cm at a position 5 cm below a forming box body edge, and fixedly connecting 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, hot-pressing and shaping the rectangular water inlet hole on the reserved hole by using a nylon net with meshes of 1cm multiplied by 1cm to form a water inlet barrier, and reserving a liquid siphon discharge port at the bottom of the other end of the box body;
s7, manufacturing hoses by using PVC oxford, and respectively hot-pressing and positioning the hoses on the bottom and the box body of the aquatic animal breeding box according to design requirements, and connecting the hoses with an air outlet of a fan for oxygenation of water bodies;
s8, using oxford with good air permeability to be fixed into an aeration distribution layer of an air supply pipe network at the bottom of the aquatic animal cultivation box through hot pressing, so that air entering the bottom of the box is uniformly released into a water body through the aeration distribution layer;
s9, manufacturing oxford cloth sprayed with PVC glue into a aquatic animal excrement and other waste collection treatment box through a hot press shaping process according to the design specification and size, reserving polyethylene air holes at intervals of 50 cm at the position 5 cm below the edge of a shaping box body, and fixedly connecting with fastener angle steel on one side of a floating body;
s10, connecting the bottom of an aquatic animal breeding box with the bottom of an aquatic animal excrement and other waste collection treatment box 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 oxford at the position of one third of the long part of the aquatic animal excrement and other waste collection and treatment box body, keeping a transverse water passing hole of 60cm multiplied by 20cm respectively at the height of two thirds of the partition wall from bottom to top, constructing a biological bacteria fermentation device at a sedimentation area at one water inlet side to ferment and treat the excrement and other waste, and constructing a biological bacteria film device at the water outlet side of the partition wall to secondarily and chemically decompose the separated supernatant;
s12, manufacturing hoses by using PVC oxford, and respectively hot-pressing and positioning the hoses on the tank bottom and the tank body at the water outlet side of the partition wall of the aquatic animal excrement and other waste collection and treatment tank, wherein the hoses are connected with an air outlet of a fan and used for oxygenation of aerobic bacteria in the water body of the unit;
s13, using oxford with good air permeability to fix the oxford into an aeration distribution layer of a tank bottom air supply pipe network on the water outlet side of a partition wall of an aquatic animal excrement and other waste collecting and precipitating tank through hot pressing, so that air entering the bottom of the tank body is uniformly released into a water body through the aeration distribution layer;
s14, mounting a bracket on angle steel at the joint of a box body and a floating body at the water outlet side of a partition wall of the aquatic animal excrement and other waste collection and treatment box by using a metal material, fixing biological filler on a latticed net sheet, and mounting the net sheet on the bracket made of the metal material to construct an aerobic bacteria biomembrane body device;
s15, installing a CMH biological sterilization device in a supernatant area of the aquatic animal excrement and other waste collection treatment box to biologically sterilize the supernatant;
s16, installing a decanting device at the tail end of a sterilizing area of the aquatic animal excrement and other waste collection and treatment box for decanting supernatant after biochemical decomposition and biological sterilization into a water body;
s17, hot-pressing and positioning oxford strips at intervals of every 30 cm on the outer side of the manufactured and formed aquatic animal cultivation and aquatic animal excrement and other waste collection treatment box body and the outer bottom of the box body to form connecting strips for connecting with box body forming steel pipes;
s18, constructing a biological film body device outside the suspension box body, connecting and fixing angle steel fixed by a metal material and a fastener on the floating body at a distance of 50 cm to form a biological film body bracket, fixing biological filler on a grid-shaped net sheet, and then installing the net sheet on the bracket to form the biological film body.
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| 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 |
| 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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