CN103960193B - The numerous foster water treatment system of Sungkiang weever of simulation natural ecological environment and Operations Management method - Google Patents

The numerous foster water treatment system of Sungkiang weever of simulation natural ecological environment and Operations Management method Download PDF

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Publication number
CN103960193B
CN103960193B CN201410189579.0A CN201410189579A CN103960193B CN 103960193 B CN103960193 B CN 103960193B CN 201410189579 A CN201410189579 A CN 201410189579A CN 103960193 B CN103960193 B CN 103960193B
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water
pond
main channel
treatment
pipeline
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CN103960193A (en
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王金秋
罗武松
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SHANGHAI CHUNLU AQUATIC TECHNOLOGY Co Ltd
Fudan University
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SHANGHAI CHUNLU AQUATIC TECHNOLOGY Co Ltd
Fudan University
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Abstract

The invention belongs to aquacultural engineering technical field, be specially one simulation natural habitat Sungkiang weever and breed cultivation water treatment system and Operations Management method.Present system includes Seawater Treatment subsystem and fresh water treatment subsystem, allocates the needs of salinity according to Sungkiang weever different growth phases during operation;Two set treatment subsystem structures are identical with operation logic, but filtrate, cultivate and the kind of the biology that selects to purify water is not quite similar;Two set subsystems all include main channel, high-order water tower, connect pipeline three part.The present invention uses biocoene handling principle, it is not necessary to large-scale, complicated equipment, builds low cost, and water quality index can reach the standard of country's surface water II class water;This system is ecology, green, environmental protection, energy-saving system, and the numerous foster water of large-scale ecological that can be widely applied to the migration fishes such as Sungkiang weever processes.

Description

The numerous foster water treatment system of Sungkiang weever of simulation natural ecological environment and Operations Management Method
Technical field
The invention belongs to aquacultural engineering technical field, a kind of Sungkiang weever simulating natural ecological environment is numerous Support water treatment system and Operations Management method.
Background technology
Sungkiang weever is two grades of aquatic wild protection animals of country of China, is also one of China four big fresh water name fishes, has Well scientific research value, the ecological value and economic worth.It, from last century the fifties, is just opened by Fudan University constantly Exhibition further investigation, achieves many achievements in research.Breach Sungkiang weever series key technology in recent years: spray fry produces, The technology such as desalination fingerling cultivating, bait culture apparatus, batch production pipe bucket system, it is achieved that the complete artificial scale of Sungkiang weever filial generation Change and breed breeding production, effectively promote Sungkiang weever protection of resources and exploitation.
The present invention mainly Sungkiang weever breed with in breeding process, according to the wild habitat of Sungkiang weever in nature The feature of water, builds the processing system of breeding water.The present invention is based on simulation Natural Water Environmental Technology, to aquaculture organism institute Need use water to process and manage, ecology water treatment technology is combined with natural force, reach effective, low consumption process water Purpose.This system eliminate conventional water process used by large-scale, expensive water treatment facilities device and equipment, use physics, biology, from So power treatment technology, Installed capital cost reduces by more than 30%, and operating cost reduces by more than 70%, and culture benefit promotes more than 50%.
Summary of the invention
It is an object of the invention to provide a kind of cost of investment few, operating cost is low, and the simulation that culture benefit is high is naturally raw The numerous foster water treatment system of Sungkiang weever of state environment, and running and management method are provided.
The numerous foster water treatment system of Sungkiang weever of the simulation natural ecological environment that the present invention provides, light according to Sungkiang weever sea The ecological habit of water migration, devises two set treatment subsystem, i.e. Seawater Treatment subsystem and fresh water treatment subsystem.Run Time, according to Sungkiang weever different growth phases, the needs of salinity are allocated.Two set treatment subsystem construction structure and fortune Row principle is identical, but filtrate, cultivates and the kind of the biology that selects to purify water is not quite similar.Two set subsystems all include main body Channel, high-order water tower, connection pipeline three part.
One, system structure design
(1) main channel
The main channel of the numerous foster water treatment system of Sungkiang weever of the simulation natural ecological environment of the present invention is by two long 90- 120m, the cement of wide 2.5-3.5m or glass-reinforced plastic material are built and are formed, and two channels are separated into several (such as 13) ponds respectively Son, is divided into 5 functional areas: step net filter tank, step sand filter, plant purification district, animal purifying area, clear water storehouse.
(1) step net filter tank: be divided into 3 grades, wherein, the 1st grade of filter screen is arranged on the end of cultivating workshop blowdown irrigation canals and ditches, leans on At nearly water treatment system oral siphon, the 2nd, 3 two-stage filter screens are separately positioned in the 1st and No. 3 pond of main channel, each pond Long 5-6.5m;
The filter screen in step net filter tank uses the mesh sheet of different pore size, it is achieved filtering function;1st grade of filter screen can be by multiple rule The mesh sheet in checkerwork cell footpath combines, such as, can be the combination of the mesh sheet in 80 mesh, 100 mesh and 150 three specification apertures of mesh, and material can Using nylon wire, the combination of these mesh sheet to form filtering area, the mesh sheet of the 2nd, 3 grades of net filters can use the mesh sheet material of usual idle call Material;
The effect of net filter is that physical barrier processes system from the large-scale granular substance entrance water in cultivating workshop draining-off sewage In system, can effectively intercept surplus bait, ight soil, waft into leaf etc., and other large-scale suspended particulate etc..Meanwhile, mesh sheet is also Biological preferably attaching substratum, can adhere to various biology, and participation breeding water was also carried out a biological disposal upon by these aufwuches Journey.The mesh sheet being used as to filter can be carried out the most quickly and easily.
(2) step sand filter: by several a length of 5-6.5m, alternately one group of pond group in main channel Become, specifically include: 1 gravel pond, 1 zeolite pond, 2 coral sand ponds, 2 medical stone ponds, 2 shell ponds, 1 mixing fine sand Pond (thin medical stone thin zeolite mixing pit).
Step sand filter is used for physical filtering, and can provide multiple biological growthing environment, and heterogeneity chiltern filtrate is piled up The filter bed formed, multiplies the animal having many microorganisms and detritus food chain, forms so-called biomembrane, and these biomembranes participate in The mineralization process that water processes, can be decomposed into inorganic salts by the organic matter in water body.Sand filter blanket can be anti-by be disposed below Flushing system is rinsed, cleans, and to keep its permeability filtered and biocenological metabolism, prevents it aging, that is Maintain its efficient disposal ability.
(3) plant purification district: being arranged on water and process the position, o.11 pond of channel, long 16-20m, plantation is each in this pond Class plant (such as pasture and water and vegetables etc.), by the growth course of plant, absorb through filter and after mineralization process in water rich in battalion Support salt, reduce the fertile degree of water, reach the purpose of clean water.
In seawater channel and fresh water channel, the floristics selecting plantation is different, both plantation sea in seawater channel Ocean plant, plants fresh plant in fresh water channel.
(4) animal purifying area: in addition to filter screen pond, mixing fine sand pond and clear water storehouse, other each process in pond, all can inoculate Animal corresponding with animal stocking, participates in the processing procedure of water.
In seawater channel and fresh water channel, it is different for selecting inoculation and the animal species put in a suitable place to breed, i.e. in seawater channel Inoculate and put marine animal in a suitable place to breed, fresh water channel inoculated and puts fresh water animals in a suitable place to breed.
(5) clear water storehouse: be last pond of main channel, flow to the water in this pond the most treated totally, can reach Country's surface water II above standard of class water.One water lift water pump is set in clear water storehouse, water is directly carried in high-order water tower standby With.
(2) high-order water tower
The high-order water tower construction end in main channel, is used for carrying into water, improves potential energy by a high position, in order to injects and supports The water growing workshop has enough pressure, keeps the flow of water and has certain hydraulic pressure function.Two water are had inside high-order water tower Case, i.e. 2 square ponds, it is respectively used to contain seawater and fresh water, at the bottom of pond, the elevation away from circulation channel top is 2.8 3.5m, for Armored concrete or glass-reinforced plastic material build up, and are stamped the ceiling of sunshade above.
(3) pipeline is connected:
Having four, one is input channel, is the pipeline connecting cultivating workshop gutter with secondary screen pond, for by car Between the sewage got rid of import water treatment system, this piping facility has a conversion gate, controls water and enters seawater channel or fresh water canal Road;Two is water lift pipeline, is the pipeline connecting main channel with high-order water tower, and this pipeline water pump directly and in clear water storehouse is even Connect, water pump water lift is imported high-order water tower;Three is output channel, connects the pipeline of high-order water tower and cultivating workshop system, this pipe Road is connected with the inlet channel of each culturing pool in workshop again, and breeding water is imported culturing pool;Four is internal recycle pipeline, is used for Connecting clear water storehouse and 2 grades of net filter tanks, make water treatment system form a system closed, effect is to carry out list in water treatment system Solely during circulation, the water in clear water storehouse is imported the 2nd grade of net filter tank.
Two, the operation management method of the numerous foster water treatment system of Sungkiang weever of simulation natural ecological environment
(1) workshop and water treatment system cardiopulmonary bypass in beating heart
Every day and culturing pool are removed contamination and are run simultaneously the water treatment system of the present invention, i.e. workshop cultivating system and water treatment system Systemic circulation.This cyclic process includes:
1. dark reaction process: the filthy water that culturing pool is removed, enters the circulation of culturing pool system by the drainage pipeline in pond Ditch, now water flow velocity is slow, is in dark reaction state.When water flows into the end of circulation ditch, just enter the 1st grade of present system Wang Lv district, when water is by this district, the large-scale suspension in water, such as residual bait or other floating thing, just filtered, afterwards by block interception Water enters input channel, then controls water entrance seawater channel or fresh water channel by the conversion gate on pipeline.When cultivation car Between when carrying out circulation and the cleaning work in seawater pond, change gate, make input channel connect seawater channel, start Seawater Treatment The circulation of system;When cultivating workshop carries out circulation and the cleaning work of fresh-water pool, change gate, make input channel connect fresh water Channel, starts the circulation of fresh water treatment subsystem.
2. foam fraction factor process: controlling water velocity by entering sluice gate, the water making entrance water process channel forms urgency Stream, just can produce a large amount of foam in overboard side, these bubble surfaces can adsorb the various particulate soil that are carried in water and The organic matter of solubility, herein, by drainage way, disposes these foams discontinuously, reaches to remove the purpose of dirt.
This process instead of the effect of usual foam (albumen) separator, can be substantially reduced cost of investment.
3. coarse sand multistage filtering process: through the water of foam fraction factor, the dense mesh layer in step net filter tank, and ladder Layers of sand at different levels in level sand filter, the small-sized and minitype particle thing being loaded with is filtered further and is precipitated, and has stayed these In filter tank, reach the clean effect of filter.
4. microorganism and scavenger conversion process: filter with the mesh sheet in step sand filter and sand etc. in the filter of step net In the space of material, multiply the animal having many microorganisms and detritus food chain, such as microorganism, microalgae, protozoan, wheel animalcule, branch Angle class, aquatic insect and larva, shrimps, oligochaetes, Polychaeta etc., the organic matter that they decompose and picked-up precipitates, will It is converted into microbes biomass and inorganic salts etc., so, flows out net filter and the water of sand filter, and content of organics substantially reduces, Inorganic salt content increases.
The most spontaneous and put grazing food chain conversion process in a suitable place to breed: by the operation of a period of time, system to bear certainly various The animal of various kinds, they can form a grazing food chain voluntarily, herd food link by each, complete organic transformed Journey;Meanwhile, according in water food organisms multiply situation, the fish etc. suitably putting high nutrition stratum in a suitable place to breed complete to carry out a biological disposal upon Journey.By the conversion process of above-mentioned food chain, the organic matter in overwhelming majority waters in suspension can be added up as end animal organism amount, Periodically the animal of higher level is removed system again, reach to remove the purpose of Organic substance in water.
6. plant transformation process: annual in different seasons, the needs processed according to water, in plant purification pond, plantation is each Class water plant, or vegetable aquaculture, flow through this pond water rich in nutritive salt, and by the sorption enhanced of plant, fertilizer degree drops significantly Low, reach the purpose purified water.
7. fine sand filter process: through the water of said process, enter last filter tank of step sand filter, i.e. mix Fine sand pond, removes the bulky grain suspension brought in water by plant purification pond, and through fine and closely woven filter process, water cleans without miscellaneous Matter, substantially can reach country's surface water II class water standard.
8. auxiliary UV line processing procedure: in water lift pipeline stage casing, can install a set of ultraviolet sterilization device, and clear water storehouse goes out The microorganisms such as the water come, flows through herein, the bacterium carried, just can be killed, reach the purpose purified water further.By purple Outer lamp be sterilized further after Escherichia coli in water body < 1/L, vibrios number < 1/L(seawater).
(2) alone cycle of water treatment system
This circulation according to Various Seasonal, or cultivating workshop water consumption number, at water treatment system input sewage quantity relatively Greatly, or during water treatment system internal circulating load deficiency, open system subcycle.
By the self-loopa of system, can make water treatment procedure fully, effectively, it is ensured that water treatment efficiency.
(3) seawater subsystem, fresh water subsystem switching control
Seawater subsystem, fresh water treatment subsystem can be independent carry out alone cycle, to keep the good operation of system State.When water treatment system is run with cultivating workshop system in parallel, owing to aquaculture organism Sungkiang weever is migratory species, no With season need to regulate different salinity, we can by control sea water and fresh water subsystem water lift pipeline uninterrupted and The uninterrupted of output channel regulates salinity.Can also first close a certain subsystem to run, first inject seawater or fresh water, so Afterwards by injecting fresh water or the seawater of proportioning, thus reach required salinity.
The present invention is to act on nature, ecological theory, and the designed and water treatment system of construction has the advantage that
1. economizing type: eliminate the water treatment facilities device equipment of Large expensive, greatly reduce investment;
2. convenience type: the principle of employing is complicated, science, but operating process is simple, it is easy to management;
3. environment-friendly type: by physics, biological processing procedure, do not have applying of any chemicals, actually environmental protection Type, the water safety after process is the most secure;
It is the most energy-saving: with the connection of workshop cultivating system, using 1 grade of water lift, the mode of multistage gravity overflow is circulated, Energy ezpenditure is reduced to minimum.
Accompanying drawing explanation
Fig. 1 is water treatment system matter energy flow graph of the present invention.
Fig. 2 is water treatment system plane of the present invention.
Fig. 3 is water treatment system profile of the present invention.
Detailed description of the invention
One, the structure of simulated ecological water treatment system
At cultivating system channel bottom construction below horizontal Series of Water mud sump, connected by pipeline one on the other, formed The step flowing of water.The ground of the water from first to last one-level one-level that cultivating system is discharged flows through, and finally enters clear water storehouse, passes through water pump Pump enters back into cultivating system use to high-order water tower, the water of water tower, it is achieved recycling of whole water system.Whole water treatment system Including main body irrigation canals and ditches, high-order water tower and connecting water pipe three part.Wherein the functional unit composition of main channel includes following 5 Point: step net filter tank, step sand filter, plant purification district, animal purifying area, clear water storehouse.
(1) main channel
1. step net filter tank
Use the mesh sheet of 0.2mm~2mm different pore size, in the separately folded strip pond being put in long 6m, wide 3m, bottom Corner weight is fixed, and upper strata minor face bamboo pole is fixed, and after adding water, mesh sheet is just freely opened in water layer, forms filtering layer.This Bright separately designed three grades net filter tanks, alternate in step sand filter;
(1) first order net filter tank
Being arranged on the end of workshop blowdown channel, at the oral siphon of nearly link blowdown channel and water treatment system, this net is filtered Pond is that three layers of nylon bolting silk are embedded in stainless steel framework the screen frame being made, every layer of screen frame interval 50~80cm insertion groove respectively In, wire side is vertical with current;In the face of the size of the direction bolting silk mesh of current is followed successively by 80 mesh, 100 mesh and 150 mesh.
(2) second level net filter tank
Being arranged in first pond of water treatment system, 3m width, the polyethylene mesh sheet of 100m length are converted into and pond size repeatedly Unanimously, putting in pond, the corner of mesh sheet is fixed on the seat, corner in pond respectively with weight, and the above narrow limit of mesh sheet is tied up at diameter Being on 10 cm thick bamboo tubes, in order to float on the surface, fall with water liter, after the water filling of pond, the mesh sheet of folding is just freely drawn in water layer Open, take Water space.
(3) the 3rd polar net filter tanks
Position and one sand filter of second level net cell compartment, its structure is identical with net filter tank, the second level.
2. step sand filter
It is made up of the pond of 9 long 6m, respectively 1, gravel pond, 1, zeolite pond, 2, coral sand pond, medical stone pond 2 Individual, 2, shell pond and thin medical stone thin zeolite mixing pit 1.Mainly step biocoene purification process, combines multiple filter Material, is aided with simulation circulation, regulation and control hydraulic pressure etc..It is followed successively by from water intake end selection of filtering material: 0.5~1cm gravel, zeolite, shell are the most miscellaneous Braised, coral sand, oyster shell, medical stone, activated carbon.
3. plant purification pond
Large-scale vascular plant has inorganic salts in absorption water body, increases the effects such as water body dissolved oxygen.Pond by a long 18m Son, as required planting plants, select plantation seawater macrophyte in seawater subsystem, selects plantation fresh water big in freshwater system Type plant and vegetable aquaculture class plant.Freshwater system can be cultivated wild rice stem, tomato, lettuce, cucumber, romaine lettuce, strawberry, lotus rhizome Deng;Sea water service system can be cultivated fragrant plant mentioned in ancient texts, undaria pinnitafida etc..Different water plants have different nutritional needs, it is necessary to according to water body Feature selects suitable aquatic plant species, its detergent power of guarantee.The cultivation of large-scale vascular plant not only increases The ecological purification function of whole system, the product produced can also produce economic benefit.
4. animal clarifier-tank
In each clarifier-tank, put aquatic animal in a suitable place to breed.Aquatic animal mainly includes small-sized shrimps, phytophagous fish, filter food Property fish, scrape feeding fish.Oppossum shrimp, gammarid etc. can be cultivated in seawater water treatment system;Freshwater system can be cultivated green grass or young crops Shrimp, China arm tail shrimp etc..These a few seed shrimp vitality are strong, and spectrum of ingesting is wide, can clear up organic debris in water treatment system, algae Deng, again can be as the high-quality bait of Sungkiang weever.
5. clear water storehouse
Both having stored the pond of the water after above-mentioned several levels filters and carries out a biological disposal upon, water now is limpid, clean.At clear water Sterilization, the regulation temperature etc. of can carrying out disinfection in storehouse process.Use uviol lamp sterilization technology, after being sterilized further by uviol lamp Escherichia coli < 1/L in water body;Control water temperature and be less than its limiting temperature stood, to meet its growth need safely and fast Ask;Salinity regulation needs the salinity needed according to Sungkiang weever different growth phases to allocate.
(2) high-order water tower
High-order water tower not only has water storage function, it is also possible to play aeration oxygen replenishing function.By water pump by the water in clear water storehouse Pump is to high-order water tower, and water is abundant and air contact in flowing and impact process, has good aeration oxygen replenishing effect, by this After technique, in water body, oxygen content can reach more than 7mg/L.
(3) pipeline is connected
Connecting pipeline and include four, one is input channel, connects the pipeline in cultivating workshop gutter and two grades of net ponds, effect Being that the sewage got rid of in workshop imports water treatment system, this piping facility has a conversion gate, control water enter seawater channel or Fresh water channel;Two is water lift pipeline, connects the pipeline of main channel and high-order water tower, this pipeline water pump directly and in clear water storehouse Connect, water pump water lift is imported high-order water tower;Three is output channel, connects the pipeline of high-order water tower and cultivating workshop system, should Pipeline is connected with the inlet channel of each culturing pool in workshop again, and breeding water is imported culturing pool;Four is internal recycle pipeline, even Connecing the pipeline between clear water storehouse and 2 grades of net filter tanks, make water treatment system form a system closed, effect is to process system at water When system carries out alone cycle, the water in clear water storehouse is imported 2 grades of net filter tanks.
Present invention additionally comprises the water stream channel in the unit pond of circulation channel, described water stream channel includes managing at the bottom of pond Road, top, pond overflow wall, water lift pipeline, elevation water pump and aqueduct;Wherein:
1, described pond bottom pipeline, is i.e. No. 1 and No. 2, No. 3 and No. 4, No. 5 and No. 6, No. 7 and No. 8 the, No. 9 and the bottom of No. 10, No. 12 and No. 13 pool wall, the embedding pipeline of several a diameter of 12-18cm, For water stream channel;
2, top, described pond overflow wall, is i.e. No. 2 and No. 3, No. 4 and No. 5, No. 6 and No. 7, No. 8 and the No. 9, No. 10 and o.11, o.11 and the pool wall in No. 12 pond, 8-12cm lower than other pool wall, define water from Chi Dingliu Dynamic passage;
3, described water lift pipeline, is i.e. the pipe being mounted with a diameter 25-35cm between clear water storehouse and high-order water tower Road, rises to the pipeline in high-order water tower for water;
4, described elevation water pump, is i.e. mounted in clear water storehouse, for the device of water lift;
5, described aqueduct, i.e. connects high-order water tower and the pipeline of workshop cultivating system, by this pipeline, process is closed In each culturing pool of the water input cultivating workshop system of lattice.
The water treatment system of the present invention, also includes current flowing mode, is designed as four kinds:
(1) pond torrent is entered
The current of this water flow mode, are that the drainage pipeline by cultivating workshop system directly leaks into pond, splash substantial amounts of foam, Play the effect of foam separator;
(2) bottom unhurried current
The current of this type of flow, are slowly to be permeated from the head bay of system by the pond bottom pipeline laid, flow to downstream Pond, water now fully contacts with the filtering material in full pond, improves treatment effeciency;
(3) top overflow
The current of this type of flow, are the overflow wall by design-build, from the head bay of system tile and, flow to down You Chi, water now fully and air contact, reaches the effect of aeration oxygen replenishing;
(4) high-order jet flow
The current of this type of flow, shape when being by elevation water pump, the water in clear water storehouse to be pressed in high-order water tower by water pipe Becoming, owing to pressure is relatively big, water is spray regime when flowing out the mouth of pipe, is fully contacted with air once again, reaches to carry during this The effect of high dissolved oxygen content.
Two, system administration and maintenance
Maintaining stablizing of community of aquatic organism is to realize the premise that water quality efficiently processes, owing to various ecological factors are to aquatic The change of biology community structure, succession have opposite impacts on, so needing according to circumstances to take appropriate measures.
1, cleaned system work
Biocoene succession in system, in system, normal metabolism all can produce some materials that are superfluous or that decay, These material demands are cleared up the most in time, in order to avoid adversely affecting system.According to circumstances in time system is carried out Cleaning, the superfluous organic matter of cleaning and thing of decaying, prevent spreading unchecked of individual organisms kind, the collapse of anti-locking system.
Superfluous organic matter cleaning: when the metabolism amount of breed variety is big, and the conditions such as cultivation load is higher, Illumination are relatively Qiang Shi, the aquatile in water treatment system will amount reproduction.If artificial regulatory, once exceedes certain threshold value the most in addition, Whole system will be collapsed.In this case, it is possible to prescind a part of large-scale aquatic vascular plant, drag for or filter off a part Planktonic organism in water body, to prevent spreading unchecked of individual species.
Thing of decaying is cleared up: in system, normal metabolism all can produce some materials decayed, these materials decayed Water quality can be produced harmful effect, need periodic cleaning.
2, nutritive salt regulation and control
Mainly according to life habit, the cultivation density of breed variety, load regulates.When cultivating load and being relatively low, Need to be properly added nutritive salt, to maintain stability and the high efficiency of the whole ecosystem.When cultivating load and being higher, it is not necessary to Add nutritive salt, need to increase phytophagous fish quantity, strengthening system cleaning work, remove system surplus organic matter in time.
3, the control of internal circulating load
The internal circulating load of water treatment system needs to be adjusted according to different situations, and the factor of reference has as follows: cultivation product The change of the ecological factors such as kind, cultivates load, situation of change biological in system, illumination.
4, the monitoring of chemical measurements of water
The water of different phase in water treatment system is monitored by every day, understands biological change in water treatment system in time Dynamically, main daily monitoring index is as follows: DO, pH, NH3-N、NO2-N, COD, SS, transparency, Escherichia coli etc..According to monitoring Result adjusts in time, to ensure the long-term high-efficiency operation of water treatment system.

Claims (5)

1. the Sungkiang weever simulating natural ecological environment breeds cultivation water treatment system, it is characterised in that include Seawater Treatment The needs of salinity, during operation, are allocated by subsystem and fresh water treatment subsystem according to Sungkiang weever different growth phases;Two Set treatment subsystem structure is identical with operation logic, the kind of biology but filtrate, the plant of plantation and selection purify water It is not quite similar;Two set subsystems all include main channel, high-order water tower, connect pipeline three part;Wherein:
(1) main channel
Main channel has two, a length of 90-120m, a width of 2.5-3.5m, uses cement or glass-reinforced plastic material to build and forms, and two Individual main channel is separated into several ponds respectively, is divided into following 5 functional areas: step net filter tank, step sand filter, plant Purifying area, animal purifying area, clear water storehouse;
(1) step net filter tank: be divided into 3 grades, wherein, the 1st grade of filter screen is arranged on the end of cultivating workshop blowdown irrigation canals and ditches, forms the One-level net filter tank, at water treatment system oral siphon, the 2nd, 3 two-stage filter screens are separately positioned on No. 1 pond of main channel With in No. 3 pond, forming net filter tank, the second level and third level net filter tank respectively, the length in second and third grade of net filter tank is 5- 6.5m;
The filter screen in step net filter tank uses the mesh sheet of different pore size, it is achieved filtering function;1st grade of filter screen is by plurality of specifications aperture Mesh sheet combines, and the combination of these mesh sheet forms filtering area, and the mesh sheet of the 2nd, 3 grades of filter screens uses the mesh sheet material of usual idle call Material;
The step net filter tank large-scale granular substance in the sewage that physical barrier is got rid of from cultivating workshop system enters at water In reason system;Meanwhile, mesh sheet is also the attaching substratum of some biologies, it is possible to attachment varied organisms, and the biology of these attachments also will Participate in breeding water biological treatment process;
(2) step sand filter: be made up of several a length of 5-6.5m, alternately one group of pond in main channel, tool Body includes: 1 gravel pond, 1 zeolite pond, 2 coral sand ponds, 2 medical stone ponds, 2 shell ponds, 1 mixing fine sand pond;
Step sand filter is used for physical filtering, and provides multiple biological growthing environment, and formation piled up by heterogeneity chiltern filtrate Filter bed, for multiplying the animal of microorganism and detritus food chain, forms so-called biomembrane, and these biomembranes participate in what water processed Mineralization process, is decomposed into inorganic salts by the organic matter in water body;Sand filter blanket is rinsed by the backpurge system that is disposed below, Cleaning, to keep its permeability filtered and biocenological metabolism, prevents biocoene aging, remains efficient and processes Ability;
(3) plant purification district: be arranged on the position, o.11 pond of main channel, long 16-20m, plant all kinds of in this pond Plant, by the growth course of plant absorb through filter and after mineralization process in water rich in nutritive salt, reduce the fertile degree of water, Purify water;
In the main channel of the main channel of Seawater Treatment subsystem and fresh water treatment subsystem, select the floristics of plantation Difference, plants sea-plant, plants light in the main channel of fresh water treatment subsystem in the main channel of Seawater Treatment subsystem Water plant;
(4) animal purifying area: except step net filter tank, mixing fine sand pond and clear water storehouse in addition to, in other each pond, all inoculation with Put corresponding animal in a suitable place to breed, participate in the processing procedure of water;
In the main channel of the main channel of Seawater Treatment subsystem and fresh water treatment subsystem, select that inoculates and put in a suitable place to breed to move Species is different, inoculates and put in a suitable place to breed marine animal, the main body of fresh water treatment subsystem in the main channel of Seawater Treatment subsystem Channel is inoculated and puts fresh water animals in a suitable place to breed;
(5) clear water storehouse: be last pond of main channel, flow to the water in this pond the most treated totally, reaches country The above standard of surface water II class water;One water lift water pump is set in clear water storehouse, for directly being risen to by water in high-order water tower;
(2) high-order water tower
High-order water tower is built in the end of main channel, is used for carrying into water, improves potential energy, in order to injects cultivating workshop system Water have enough pressure, make water keep certain flow and have certain hydraulic pressure;Two water tanks are had inside high-order water tower, should Two water tanks are 2 square ponds, are respectively used to contain seawater and fresh water, and at the bottom of pond, square pond, the elevation away from top, main channel is 2.8-3.5m, builds up for armored concrete or glass-reinforced plastic material, is stamped the ceiling of sunshade above;
(3) pipeline is connected
Having four, one is input channel, for connecting gutter and the net filter tank, the second level of cultivating workshop system, will cultivate car Between the sewage discharged of system import water treatment system, this input channel facility has a conversion gate, controls water and enters Seawater Treatment The main channel of system or the main channel of fresh water treatment subsystem;Two is water lift pipeline, is used for connecting main channel with high Position water tower, this water lift pipeline is directly connected with the water pump in clear water storehouse, and the water pumped out by water pump imports high-order water tower;Three is output Pipeline, is used for connecting high-order water tower and cultivating workshop system, this output channel and the entering of each culturing pool in cultivating workshop system Waterpipe is connected, and breeding water is imported culturing pool;Four is internal recycle pipeline, is used for connecting clear water storehouse and net filter tank, the second level, Making described Sungkiang weever breed cultivation water treatment system and form a system closed, effect is numerous at described Sungkiang weever Bring up to grow, when water treatment system carries out alone cycle, the water in clear water storehouse is imported net filter tank, the second level.
The Sungkiang weever of simulation natural ecological environment the most according to claim 1 breeds cultivation water treatment system, its feature It is: also include that the water stream channel in each pond of main channel, described water stream channel include pond bottom pipeline, top, pond overflow wall; Wherein:
(1) described pond bottom pipeline, refer between No. 1 pond and No. 2 pond, between No. 3 pond and No. 4 pond, Between No. 5 pond and No. 6 pond, between No. 7 pond and No. 8 pond, between No. 9 pond and No. 10 pond, The pipeline of several a diameter of 12-18cm that the bottom of pool wall is embedding between No. 12 pond and No. 13 pond, leads to as current Road;
(2) top, described pond overflow wall, refer to by between No. 2 pond and No. 3 pond, No. 4 pond and No. 5 pond it Between, between No. 6 pond and No. 7 pond, No. 8 pond and No. 9 pond, No. 10 pond and o.11 pond, the 11st The overflow wall that the pool wall in number pond and No. 12 pond is formed, top, described pond overflow wall 8-12cm low than other pool wall, formation The passage that water flows from Chi Ding.
The Sungkiang weever of simulation natural ecological environment the most according to claim 2 breeds cultivation water treatment system, its feature It is: the type of flow of current is designed as four kinds:
(1) pond torrent is entered
The current of this type of flow, are that the drainage pipeline by cultivating workshop system directly leaks into pond, splash substantial amounts of foam, play The effect of foam separator;
(2) bottom unhurried current
The current of this type of flow, are to breed the upper of cultivation water treatment system by the pond bottom pipeline laid from described Sungkiang weever Trip pond is slowly permeated, and flows to pond, downstream, and water now fully contacts with the filtering material in whole ponds, and raising processes effect Rate;
(3) top overflow
The current of this type of flow, are to push up overflow wall by the pond of design-build, breed cultivation water from described Sungkiang weever and process Pond, the upstream tiling of system and under, flow to pond, downstream, water now fully and air contact, reaches the effect of aeration oxygen replenishing Really;
(4) high-order jet flow
The current of this type of flow, are formed when being and be pressed in high-order water tower by water pipe by the water in clear water storehouse by elevation water pump , owing to pressure is relatively big, water is spray regime when flowing out the mouth of pipe, is fully contacted with air once again during this, reaches to improve The effect of dissolved oxygen content.
4. the Sungkiang weever of the simulation natural ecological environment as described in one of claim 1-3 breeds the fortune of cultivation water treatment system Make management method, it is characterised in that including: cultivating workshop system and described Sungkiang weever are bred cultivation water treatment system and followed parallel Inscription of loop;Cyclic process includes:
(1) dark reaction process: the filthy water that the culturing pool of cultivating workshop system is cleared out of, enters cultivation by drainage pipeline therein The circulation ditch of cell system, now water flow velocity is slow, is in dark reaction state;When water flows into the end of circulation ditch, enter described pine River perch breeds the first order net filter tank of cultivation water treatment system, during by first order net filter tank, the large-scale suspension in water, quilt Filter screen intercepts and filters, and water enters input channel afterwards, then controls water entrance Seawater Treatment by the conversion gate on input channel The main channel of subsystem or the main channel of fresh water treatment subsystem;When cultivating workshop system carry out seawater pond circulation and During cleaning work, change gate, make input channel connect the main channel of Seawater Treatment subsystem, start Seawater Treatment subsystem Circulation;When cultivating workshop system carries out circulation and the cleaning work of fresh-water pool, change gate, make input channel connect fresh water The main channel of processing subsystem, starts the circulation of fresh water treatment subsystem;
(2) foam fraction factor process: control water velocity by entering sluice gate, makes the water of entrance main channel form torrent, makes Producing a large amount of foams at water, these bubble surfaces can adsorb the organic of the various particulate soil being carried in water and solubility Thing;Herein, by drainage way, dispose these foams discontinuously;
(3) coarse sand multistage filtering process: the water after foam fraction factor, the dense mesh layer in step net filter tank, and step Layers of sand at different levels in sand filter, the small-sized and minitype particle thing being loaded with is filtered further and is precipitated, and stays these filter tanks In;
(4) microorganism and scavenger conversion process: filtrate in mesh sheet in the filter screen in step net filter tank and step sand filter Space in, multiply the animal having many microorganisms and detritus food chain, they decompose and the organic matter that precipitates of picked-up, will It is converted into microbes biomass and inorganic salts, so, flows out filter screen and the water of step sand filter, and content of organics reduces, nothing Machine salt content increases;
(5) spontaneous and put grazing food chain conversion process in a suitable place to breed: by the operation of a period of time, described Sungkiang weever breeds cultivation water Can certainly bear various animal in processing system, they form a grazing food chain voluntarily, herd food link by each, Complete organic conversion process;Meanwhile, according in water food organisms multiply situation, suitably put the fish of high nutrition stratum in a suitable place to breed Complete biological treatment process;By the conversion process of above-mentioned grazing food chain, the organic matter in overwhelming majority water in suspension is tired out Amass as end animal organism amount, more periodically the animal of higher level is removed system, remove the organic matter in water;
(6) plant transformation process: annual in different seasons, the needs processed according to water, all kinds of water are planted in plant purification district Raw plant;When flowing through plant purification district rich in the water of nutritive salt, by the sorption enhanced of plant, fertilizer degree is substantially reduced, to enter one Step purifies water;
(7) fine sand filter process: the water processed through above cyclic process, enters last filter tank of step sand filter, should Last filter tank is mixing fine sand pond, removes the bulky grain suspension come in water by plant purification zone, through fine and closely woven mistake Filter, makes water clean free from admixture, reaches country's surface water II class water standard;
(8) auxiliary UV line processing procedure: in water lift pipeline stage casing, installs a set of ultraviolet sterilization device, clear water storehouse water out, When flowing through herein, the bacterial micro-organism carried is killed, to purify water further.
5. the Sungkiang weever of simulation natural ecological environment as claimed in claim 4 breeds the Operations Management of cultivation water treatment system Method, it is characterised in that also include: Seawater Treatment subsystem, fresh water treatment subsystem switching control;
Seawater Treatment subsystem, fresh water treatment subsystem can be independent carry out alone cycle, to keep described Sungkiang weever numerous Bring up the good running status growing water treatment system;When described Sungkiang weever breeds cultivation water treatment system and cultivating workshop system During parallel running, owing to aquaculture organism Sungkiang weever is migratory species, need different seasons to regulate different salinity, because of This, regulate salt by controlling sea, the uninterrupted of water lift pipeline of fresh water treatment subsystem and the uninterrupted of output channel Degree;Or first close a certain processing subsystem to run, first inject seawater or fresh water, then by controlling injection fresh water or seawater Proportioning, regulate salinity.
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