CN103238554A - Ecotype enclosed method for culturing fish through circulation water - Google Patents

Ecotype enclosed method for culturing fish through circulation water Download PDF

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Publication number
CN103238554A
CN103238554A CN2013101865907A CN201310186590A CN103238554A CN 103238554 A CN103238554 A CN 103238554A CN 2013101865907 A CN2013101865907 A CN 2013101865907A CN 201310186590 A CN201310186590 A CN 201310186590A CN 103238554 A CN103238554 A CN 103238554A
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water
pond
solid
sewage
fish
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CN2013101865907A
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CN103238554B (en
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王志敏
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TIANJIN XINGSHENGHAI FRESHWATER AQUACULTURE CO Ltd
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TIANJIN XINGSHENGHAI FRESHWATER AQUACULTURE CO Ltd
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Abstract

The invention discloses an ecotype enclosed method for culturing fish through circulation water. Natural seawater, underground salt water, underground fresh water and geothermal water are mainly utilized and mixed, and an industrial culture foundation for producing pollution-free healthy seafood is built and used. A solid-liquid separation purification device is used for replacing sand filtration of a biological filter, ammonia nitrogen and nitrite nitrogen are degraded after water passing through a biological film on biological filler in the biological filter, and the total purification rate of water body particles is over 99%. An aeration pond is arranged to conduct aeration and oxygenation on a culture water body to enable the content of dissolved oxygen in water in a fish culture pond to be kept at 8-14mg/L, finally the water body is sterilized through ultraviolet light, clean ecological water is input into the fish culture pond, and the return water in the fish culture pond is purified repeatedly and utilized in a circulating mode. Sewage discharged from a culture system is purified by an open-air pond and flows back to a water storage sedimentation pond to achieve zero-discharge complete enclosed circulation water factory-like fish culture.

Description

Ecological closed cycle water fish-cultivating method
Technical field
The invention belongs to the industrialized field of aquaculture, relate to ecological closed cycle water fish-cultivating method specifically.Mainly utilize natural sea-water, saline groundwater, fresh groundwater and GEOTHERMAL WATER allotment and recycle to build and produce pollution-free healthy seafood industrialized aquaculture base.
Background technology
In disclosed technology, its patent No. is 200910128325.7, and name is called " ecological closed cycle water fish-cultivating method ".The main utilization set up retaining sedimentation basin and water distribution workshop at inshore intake place; Crawl is built in the workshop of breeding fish, and builds the backwater channel in the crawl outside and carries out precipitate and separate, utilizes two-stage biofilter to purify water, and supplies water to crawl behind disinfection by ultraviolet light by pipeline; The sewage that the process of breeding fish is discharged purifies through two-stage waste water treatment pond, and sewage purification back up to standard flows into the retaining sedimentation basin and utilizes again.In this patent working process, found following deficiency.
1, the one-level biofilter is sand filtration, stops up easily, needs 3-4 artificial backwash every day, and 1 sand filter of everyone each backwash needs time 50-60 minute; Need stop the water circulation when backwash, the dissolved oxygen of water replenishes by flowing water in the crawl, and flowing water stops, and the dissolved oxygen content expendable descends, and causes the living environment change of fish bigger, is unfavorable for metabolism and the growth of fish; Consumption of water is more during backwash, and labor strength is big; More serious disadvantage is exactly when workman's backwash, and the screen cloth with the anti-leak-stopping sand under the layer of sand staves easily, and sand is slipped through the net, and in the bottom alluvial, blackening is fouled, and polluted water influences the growth of fish and reduces the survival rate of fish, i.e. human factor influence is bigger.
2, a tubular structure in feedwater piping, designing of ultraviolet ray disinfector, there are two drawbacks in such ultraviolet ray disinfector, and the one, installation difficulty is big, the maintenance trouble; The 2nd, the dress ultraviolet lamp blocks ultraviolet ray behind the quartz socket tube outer wall set-off in the quartz socket tube, reduces Disinfection Effect, must regularly take out quartz socket tube, cleans the foul of its outer wall, and is very inconvenient.
3, utilize the backwater channel to carry out precipitate and separate and have drawback, the backwater channel reaches 60000mm, width 500mm, and the particle deposition is disperseed, and sweep-out pattern is big, and the operation element amount of removing contamination is big; The backwater channel needs cleaning every day, and 1 operative employee cleans 1 backwater channel needs the time more than 30 minutes, and easy cleaning is unclean, and residual particles on the backwater channel influences water quality, also will drain the water in the channel when cleaning simultaneously, wastes water very much.
4, oxygenation way, when using liquid oxygen, each cultivating system configuration one cover gas-liquid mixing pump, 0.7 kilowatt ~ 1.5 kilowatts of power, or the special-purpose device of air that looses is installed, and crawl water inlet dissolved oxygen content 15mg/L ~ 20mg/L, crawl delivery port dissolved oxygen content is not less than 5mg/L.Gas-liquid mixing pump and diffusing device of air just increase water oxygen gas, and function singleness does not possess the isolation of purified effect.
5, a leg-of-mutton current dead angle area is arranged near the biofilter board of classification, the dead angle is unfavorable for the water quality exchange, also is unfavorable for biomembranous formation.
Summary of the invention
In view of above-mentioned present situation, the invention provides a kind of ecological closed cycle water fish-cultivating method.Mode by channeltype biofilter, not classification, the pipeline mode of perforation, and disinfection by ultraviolet light entirely, aeration oxygen replenishing pond has not only reduced the influence of human factor to breeding fish, and reduces the cost of breeding fish, and effectively improves the efficient of breeding fish.
Technical solution of the present invention is: ecological closed cycle water fish-cultivating method comprises:
(1) water source of breeding fish: the place sets up the retaining sedimentation basin at the inshore intake, makes geothermal well near the retaining sedimentation basin, salt water well, fresh water well; Supplied water to the water distribution workshop by retaining sedimentation basin, geothermal well, salt water well and fresh water well;
(2) water distribution workshop: comprise first sand filter, second sand filter, distribution reservoir, aqueduct; Second sand filter is connected with the retaining sedimentation basin by pipeline, and the natural sea-water after filtering is offered distribution reservoir; First sand filter is connected with the salt water well, offers distribution reservoir after the saline groundwater filtration with the salt water well; Distribution reservoir is connected by pipeline with fresh water well, the geothermal well of supplying with fresh water and GEOTHERMAL WATER respectively; Be deployed into the temperature that is suitable for breeding fish and the water of salinity with natural sea-water, GEOTHERMAL WATER, fresh water and saline groundwater in distribution reservoir, this distribution reservoir is connected with the workshop of breeding fish by aqueduct, and supplies water to the workshop of breeding fish;
(3) workshop of breeding fish: comprise high-order water feeder and a plurality of crawls that formed at interval by partition wall each other; The water inlet of high-order water feeder is connected with distribution reservoir by aqueduct, and its delivery port is equipped with the water supply trunk line, is connected with the crawl at close each partition wall position, pond by each branch's water-supply-pipe of drawing on the water supply trunk line; Wherein, high-order water feeder is higher than crawl, and the difference in height in two ponds is 800-1200mm; Central authorities arrange water return pipeline at the bottom of the pond of crawl, and this water return pipeline is connected with the Separation of Solid and Liquid purification facility;
(4) Separation of Solid and Liquid purification facility: comprise one-level solid-liquid separation tank, secondary solid-liquid separation tank, front end diversion basin, water pump groove, water circulating pump, three grades of solid-liquid separation tanks, terminal diversion basin, backwater trunk line, sewage conduct, biofilter, aeration oxygen replenishing pond and disinfection by ultraviolet light ponds; Wherein:
The one-level solid-liquid separation tank is that crawl is carried out the Separation of Solid and Liquid first time by the backwater that water return pipeline gives off, the sewage that separates the back generation is input to sewage disposal system by sewage conduct and purifies, purifying waste water after the separation enters the secondary solid-liquid separation tank by the backwater trunk line and carries out solid-liquid and separate for the second time, sewage after the separation is sent to sewage disposal system again by sewage conduct and purifies, stream of cleaned water after separating is gone into the water pump groove, be transported to by water circulating pump and be transported to three grades of solid-liquid separation tanks again behind the front end diversion basin and carry out Separation of Solid and Liquid for the third time, sewage after the separation is transported to the waste water treatment cell system by sewage conduct and purifies, purifying waste water after will separating at last is transported to terminal diversion basin, and will purify waste water by the mouth of a river excessively on the terminal diversion basin is transported to the biofilter;
The biofilter is channeltype, fills the stereo-elastic biologic packing material in the biofilter, will purify waste water by being transported to the aeration oxygen replenishing pond after the processing of biofilter;
The aeration oxygen replenishing pond is communicated with the disinfection by ultraviolet light pond, and aerator is installed in the bottom in aeration oxygen replenishing pond;
The disinfection by ultraviolet light pond is communicated with the high-order water feeder in the workshop of breeding fish, and ultraviolet ray disinfector is installed in the disinfection by ultraviolet light pond;
(5) sewage disposal system: comprise one-level waste water treatment pond, B-grade sewage processing pond; Wherein:
One-level waste water treatment pond water inlet is connected with the Separation of Solid and Liquid purification facility by sewage conduct, culture in the described one-level waste water treatment pond for the shellfish of purifying waste water, purifying waste water after handling through one-level waste water treatment pond flows into B-grade sewage by pipeline and purifies the pond;
B-grade sewage purifies cultivates in the pond for pasture and water and the algae of purifying waste water; Send into the retaining sedimentation basin by purifying waste water after the B-grade sewage purification pond processing through sand filtration wall, concrete duct.
In the step 4 of the present invention, the pool wall of described one-level solid-liquid separation tank is circular, be conical at the bottom of the pond, the pool wall diameter is 1000mm, tapering is 4, be respectively equipped with the opposite entery and delivery port of direction on the pool wall, the Inlet and outlet water direction of entery and delivery port forms a determining deviation each other near the tangential direction of circle in the pool wall; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 110mm which is provided with sewage draining valve.
In the step 4 of the present invention, described secondary solid-liquid separation tank is square pond, and four jiaos is big fillet, is conical at the bottom of the pond, and pool side is long to be 5000mm, and tapering is 10, and pool wall is provided with entery and delivery port, and entery and delivery port shifts to install relatively; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 160mm which is provided with sewage draining valve.
In the step 4 of the present invention, described three grades of solid-liquid separation tanks are higher than crawl, and the difference in height in two ponds is 1000mm; Three grades of solid-liquid separation tanks are square pond, and four jiaos is big fillet, are conical at the bottom of the pond, and pool side is long to be 2000mm, tapering is 4, and pool wall is provided with entery and delivery port, and entery and delivery port shifts to install relatively, described entery and delivery port be the identical rectangle of size, it is wide to be 300mm, height is 1000mm; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 110mm which is provided with sewage draining valve; Three grades of solid-liquid separation tanks are positioned at the biofilter, and a plurality of three grades of identical solid-liquid separation tanks are set continuously, hang the stereo-elastic biologic packing material in it.
In the step 4 of the present invention, described biofilter 12 is channeltype, and the pond length overall is 45000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply; The biofilter 12 every square metre hang 100 of biologic packing materials, every diameter 150mm, effective length 1800mm.
In the step 4 among the present invention, described aeration oxygen replenishing pond is the rectangle pond, and the pond is long to be 3000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply; The pool wall bottom in aeration oxygen replenishing pond is provided with the foursquare mouth of a river of crossing of length of side 500mm and is communicated with the disinfection by ultraviolet light pond, at the pool wall in the aeration oxygen replenishing pond adjacent with the disinfection by ultraviolet light pond foam separatory funnel is installed.
In the step 4 of the present invention, described disinfection by ultraviolet light pond is the rectangle pond, and the pond is long to be 1000mm, the pond is wide to be 600mm, Chi Shen is 2000mm, and ultraviolet ray disinfector is installed in the disinfection by ultraviolet light pond, and this ultraviolet ray disinfector comprises quartz socket tube, quartz burner and caisson; Wherein:
Quartz burner is 75 watts, totally 21, divides 3 row configurations, 7 of every row, the solely control of whenever itemizing;
The diameter of quartz socket tube is 25mm;
Caisson is made of the PVC plate, has the installing hole of distribution at caisson, and the aperture is 26mm, and pitch-row is 80mm, and the quartz socket tube that quartz burner is installed is inserted in the installing hole of caisson.
Main improvement of the present invention and good effect are:
1, a plurality of three grades of solid-liquid separation tanks continuously is set, carries out the sand filtration that systematic separating granular replaces the one-level biofilter.Three grades of solid-liquid separation tanks 13 are square pond, and four jiaos is big fillet, are conical at the bottom of the pond, and pool side is long to be 2000mm, tapering is 4, and pool wall is provided with entery and delivery port, and entery and delivery port shifts to install relatively, described entery and delivery port be the identical rectangle of size, it is wide to be 300mm, height is 1000mm; Three grades of solid-liquid separation tanks are built in the biofilter, establish a plurality of three grades of solid-liquid separation tanks continuously, hang the stereo-elastic biologic packing material in the pond; Be conducive to interception and the sinking of particle, concentrate the center that is deposited in conical bottom, blowdown is discharged 1 time every day, discharges 5-10 at every turn and gets final product second, reduces cost, and raises the efficiency, and reduces the human factor influence.
Biologic packing material also plays the effect that the biofilter purifies water simultaneously.Multistage continuous precipitation purifies, and the water quality one-level more cleans than one-level, and the purification efficiency of solid-liquid separation tank is better than sand filter.
2, the disinfection by ultraviolet light pond is set, the disinfection by ultraviolet light pond is the rectangle pond, and the pond is long to be 1000mm, the pond is wide to be 600mm, Chi Shen is 2000mm, and ultraviolet ray disinfector is installed in the disinfection by ultraviolet light pond, and this ultraviolet ray disinfector comprises quartz socket tube, quartz burner and caisson.This ultraviolet ray disinfector is easy for installation, just is suspended in the sterilization pool to get final product, in case the quartz socket tube set-off is pulled out and got final product scrub, inserts after cleaning again, and is simple.
3, replace the backwater channel at the other one-level solid-liquid separation tank that arranges of each crawl; Adopt this one-level solid-liquid separation tank, particle is concentrated and is deposited on the bottom, opens bottom valve 5-10 and can discharge second, does not need cleaning, and is simple to operate, economizes on water, saves time.
4, the aeration oxygen replenishing pond is set, the aeration oxygen replenishing pond is the rectangle pond, and the pond is long to be 3000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply; The aeration oxygen replenishing pond is installed centrifugal aerator and at the pool wall in the aeration oxygen replenishing pond adjacent with the disinfection by ultraviolet light pond foam separatory funnel is installed.This aerator has two functions, and the one, play the oxygenation effect, at the air entry feeding pure oxygen of aerator, dissolved oxygen content reaches more than the 20mg/L, if feed ozone simultaneously, has both disinfection function again.
Like this, compare with disclosed patented technology, save liquid oxygen more than 50% at gas-liquid mixing pump and diffusing device of air, can further improve output.The 2nd, produce a large amount of foams during the aerator operation, impurity in the foam surface adsorbed water, foam enter the foam separatory funnel, and impurity is separated with foam, plays the effect that purifies water.
5, the design biofilter is channeltype, not classification, the full pipeline mode that connects, and has solved near the drawback of " a leg-of-mutton current dead angle area is arranged the biofilter board of classification, and the dead angle is unfavorable for the water quality exchange, also is unfavorable for biomembranous formation "; Another characteristics of channeltype are to prolong the flowing water path, and its flow process prolongs more than one times than original biofilter, significantly improves purification efficiency, reduces progression, reduces the flowing water dead angle, reduces cost, and increases water quality.
Description of drawings
Fig. 1 is process chart of the present invention;
Fig. 2 is the facility allocation plan of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are specified.
The process chart of ecological closed cycle water fish-cultivating method as shown in Figure 1 comprises the water source of breeding fish, water distribution workshop, the workshop of breeding fish, Separation of Solid and Liquid purification facility and sewage disposal system.
Provided the configuration of ecological closed cycle water fish-cultivating facility as Fig. 2.Comprise:
1, set up the water source 31 of breeding fish: select the natural sea-water bank of good environment condition, the place sets up retaining sedimentation basin 1 at the inshore intake, and the counterparty who enters the retaining sedimentation basin at seawater builds pool area 20000m to being provided with a sluice 2 2More than.Retaining sedimentation basin 1 is the sandy soil structures, should bank protection, avoid impacting muddy water because of stormy waves.The appearance water depth of retaining sedimentation basin 1 should be conducive to the water quality that keeps stable more than 3m.
Near retaining sedimentation basin 1, make geothermal well 3, salt water well 4, fresh water well 5; By 8 water supply to the water distribution workshop of retaining sedimentation basin 1, salt water well 4, fresh water well 5 and geothermal well 3.
2, set up water distribution workshop 8: comprise two first sand filters 6, two second sand filters 7, two distribution reservoirs 9, aqueduct 30;
The natural sea-water that retaining sedimentation basin 1 provides contains impurity such as silt, need be through being input to distribution reservoir 9 again after 7 twice filtration of second sand filter.
The saline groundwater that provides of salt water well 4 contains more has metal ions such as injury iron, manganese to fish, through 6 twice filtration of first sand filter, effectively remove metal ions such as iron, manganese after, be input to distribution reservoir 9 again.
The water harmful substance that geothermal well 3 and fresh water well 5 provide is less, need not filter, and is directly inputted to the distribution reservoir 9 in water distribution workshop 8.
Distribution reservoir 9, its height 3m, the water capacity of each distribution reservoir is 200m 3, be deployed into the water of breeding fish of suitable temperature and salinity 9 li of distribution reservoirs with natural sea-water, GEOTHERMAL WATER, fresh water and saline groundwater, flow automatically to the workshop 10 of breeding fish by aqueduct 30.
3, set up the workshop 10 of breeding fish: comprise two high-order water feeders 16 and 20 crawls 11;
High-order water feeder 16 is the rectangle pond, and long is 1000mm, and wide is 600mm, is 2000mm deeply.High-order water feeder 16 is than crawl 11 high 1000mm, the water inlet of high-order water feeder 16 is connected with distribution reservoir 9 by aqueduct 30, its delivery port is equipped with water supply trunk line 29, is connected with the crawl 11 at close each partition wall position, pond by each branch's water-supply-pipe of drawing on the water supply trunk line 29; Wherein, to be higher than the difference in height in crawl 11, two ponds be 1000mm to high-order water feeder 16; Can be successfully be that the water supply trunk line 29 of 200mm is input to crawl 11 with water through caliber.
Crawl 11, crawl are square pond, and the length of side is 6000mm, and four jiaos is circular, is conical at the bottom of the pond, and tapering is 50.The pool wall eccentric position of crawl 11 is provided with each branch's water-supply-pipe of drawing on water inlet pipe and the water supply trunk line 29 and links to each other, and can make water in the crawl form eddy flow when intaking like this and become running water.Establish water return pipeline at the bottom of the pond of crawl 11, be embedded in advance at the bottom of the pond, caliber is 110mm, is discharged to Separation of Solid and Liquid purification facility 32 by this water return pipeline backwater of will breeding fish.
4, set up Separation of Solid and Liquid purification facility 32: comprise one-level solid-liquid separation tank 20, secondary solid-liquid separation tank 17, front end diversion basin 22, water pump groove 18, water circulating pump 19, three grades of solid-liquid separation tanks 13, terminal diversion basin 23, backwater trunk line 21, sewage conduct 24, biofilter 12, aeration oxygen replenishing pond 14 and disinfection by ultraviolet light ponds 15; Wherein:
One-level solid-liquid separation tank 20 is brick mix structure, and pool wall is circular, is conical at the bottom of the pond, the pool wall diameter is 1000mm, and tapering is 4, is respectively equipped with the opposite entery and delivery port of direction on the pool wall, the Inlet and outlet water direction of entery and delivery port forms a determining deviation each other near the tangential direction of circle in the pool wall; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 110mm which is provided with sewage draining valve.One-level solid-liquid separation tank 20 be positioned at adjacent 2 crawl exterior angles the intersection; The backwater of discharging from the water return pipeline of crawl 11 contains particles such as the ight soil of fish, remaining bait, this backwater enters into one-level solid-liquid separation tank 20 formation eddy flows and reaches the Separation of Solid and Liquid purpose, separate the sewage of back generation and discharged by the bottom blow-down pipe of one-level solid-liquid separation tank 20, the sewage disposal system 33 outside sewage conduct 24 flow into the workshop of breeding fish purifies; The one-level Separation of Solid and Liquid to purify waste water by caliber be that the backwater trunk line 21 of 315mm flows into secondary solid-liquid separation tanks 17 and carries out the Separation of Solid and Liquid second time.
(17 is square pond to described secondary solid-liquid separation tank, and four jiaos is big fillet, is conical at the bottom of the pond, and pool side is long to be 5000mm, and tapering is 10, and pool wall is provided with entery and delivery port, and entery and delivery port shifts to install relatively; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 160mm which is provided with sewage draining valve.Sewage after the Separation of Solid and Liquid is sent to sewage disposal system 33 purifications by sewage conduct 24 for the second time, and secondary solid-liquid separation tank 17 is than water pump groove 18 high 500mm, and the overflow of purifying waste water after the separation enters water pump groove 18.
Water pump groove 18 is rectangle, and long is 5000mm, and wide is 1000mm, is 1500mm deeply, the water pump groove 18 other water circulating pumps 19 of establishing.
Water circulating pump 19 adopts mixed-flow pump, diameter 200mm, and the amount of pumping up water is 200mm per hour 3, 5500 watts of power, and frequency converter is installed can energy savings; By water circulating pump 19 water in the water pump groove 18 is transported to front end diversion basin 22.
Front end diversion basin 22 is rectangle, and long is 2000mm, and wide is 1000mm, is 2000mm deeply, and the function of this front end diversion basin 22 is to subdue the impulse force of being carried the water of coming by water circulating pump 19; Arrange 1 at 1/3 place, pool wall top of the front end diversion basin 22 that closes on three grades of solid-liquid separation tanks 13 and cross the mouth of a river, this bleeder is designed to flat-sided shape, and the bleeder is wide to be 500mm, and height is 1000mm.Water flows into three grades of solid-liquid separation tanks 13 via the bleeder and carries out Separation of Solid and Liquid for the third time.
Three grades of solid-liquid separation tanks 13, these three grades of solid-liquid separation tanks 13 are than crawl 11 high 1000mm; These three grades of solid-liquid separation tanks 13 are square pond, and the length of side is 2000mm, and four jiaos is big fillet, circle of position taper at the bottom of the pond, tapering is 4, and pool wall is provided with entery and delivery port, and entery and delivery port shifts to install relatively, described entery and delivery port be the identical rectangle of size, it is wide to be 300mm, height is 1000mm; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 110mm which is provided with sewage draining valve; Three grades of solid-liquid separation tanks 13 are positioned at the biofilter, and 5 three grades of identical solid-liquid separation tanks are set continuously, hang the stereo-elastic biologic packing material in it.Water flows into through the diagonal angle of three grades of solid-liquid separation tanks and flows out, forming centrifugal cyclone sediment separates, after 5 three grades of Separation of Solid and Liquid, the sewage after the separation is transported to waste water treatment cell system 33 by sewage conduct 24 and purifies, and purifying waste water after the separation is transported to terminal diversion basin 23.
Terminal diversion basin 23 is the rectangle pond, and long is 2000mm, and wide is 1000mm, is 2000mm deeply.Diversion basin closes on and on the side pool wall of biofilter 12 1 open type is set and crosses the mouth of a river endways, and it is wide to be 1000mm, and height is 2000mm.Water in the terminal diversion basin 23 flows into biofilter 12 through the mouth of a river.
Biofilter 12, biofilter 12 is channeltype, not classification, the full perforation, the pond length overall is 45000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply.Every square metre is hung about 100 of stereo-elastic biologic packing materials in the biofilter 12, and this stereo-elastic biologic packing material is made by polyethylene filament, and shape is test-tube brush seemingly, every diameter 150mm, and its effective length (part is arranged) is 1800mm.The major function of biofilter 12 is to utilize deliquescent ammonia nitrogen, nitrite in the epontic microbial film decomposition water of biologic packing material.Current are through the biofilter 12, and water quality further purifies and cleans.Biofilter 12 is than aeration oxygen replenishing pond 14 high 200mm, and the water overflow of biofilter enters aeration oxygen replenishing pond 14.
Aeration oxygen replenishing pond 14 is the rectangle pond, and the pond is long to be 3000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply; In the bottom, aeration basin near biofilter 12 1 2.2 kilowatts aerator is installed, is utilized aerator oxygenation, in the aerator air inlet pipe, feed pure oxygen, the dissolved oxygen content of cycle water is reached more than the 20mm/L, to guarantee in the crawl enough oxygen being arranged.Start aerator, make Chi Shui reach fluidized state, the surface forms foam, at the pool wall in the aeration oxygen replenishing pond adjacent with disinfection by ultraviolet light pond 15 the foam separatory funnel is installed and is separated foam.The water of oxygenation is crossed the mouth of a river by the pool wall bottom length of side 500mm square that is located at the aeration oxygen replenishing pond and is entered disinfection by ultraviolet light pond 15.
Disinfection by ultraviolet light pond 15 is the rectangle pond, and the pond is long to be 1000mm, and the pond is wide to be 600mm, and the pond is 2000mm deeply, and ultraviolet ray disinfector is installed in the disinfection by ultraviolet light pond, and this ultraviolet ray disinfector comprises quartz socket tube, quartz burner and caisson; Wherein:
Quartz burner is 75 watts, totally 21, divides 3 row configurations, 7 of every row, the solely control of whenever itemizing;
The diameter of quartz socket tube is 25mm;
Caisson is made of the PVC plate, has the installing hole of distribution at caisson, and the aperture is 26mm, and pitch-row is 80mm, and the quartz socket tube that quartz burner is installed is inserted in the installing hole of caisson.Can directly insert or extract like this, be convenient to install and clean.
Through after the disinfection by ultraviolet light, can kill virus, bacterium and protozoa in the water.So far water has been finished system-wide purified treatment.Disinfection by ultraviolet light pond 15 is communicated with the high-order water feeder 16 in the workshop 10 of breeding fish, and the water that purifies is sent into high-order water feeder 16.
5, set up sewage disposal system 33: sewage disposal system comprises one-level waste water treatment pond 25, B-grade sewage processing pond 27; Wherein:
One-level waste water treatment pond 25 water inlets are connected described one-level waste water treatment pond 25, pond area 10000m by sewage conduct 24 with Separation of Solid and Liquid purification facility 32 2, culture for the shellfish of purifying waste water, as multiple shellfishes such as Yi razor clam, Mactra veneriformis, by the natural drainage habit of shellfish, with the sewage water filtration purification of muddiness.Flow into B-grade sewages through purifying waste water after 25 processing of one-level waste water treatment pond by pipeline 26 and purify ponds 27;
B-grade sewage purifies pond 27, pond area 10000m 2Cultivate for pasture and water and the algae of purifying waste water in secondary purification pond 27, as macros such as the climing algaes in river, these algae absorb the rich nutritive material in the water, and the degradation of pollutant in the water is purified, and make water reach the standard that can breed fish again.Send into retaining sedimentation basin 1 by purifying waste water after 27 processing of B-grade sewage purification pond through sand filtration wall, concrete duct 28.
So far, the backwater of breeding fish has been finished the circulation of a complete closed, and such mode of breeding fish had both been protected inner breeding environment, had protected external environment condition again, reached zero-emission.
Need to prove that in the above-described embodiments, crawl 11 is circular pond also, one-level solid-liquid separation tank 20 is square pond (four jiaos be circular) also, and secondary solid-liquid separation tank 17 is circular pond also, and three grades of solid-liquid separation tanks 13 are circular pond also.

Claims (7)

1. ecological closed cycle water fish-cultivating method comprises:
(1) near the water source (31) of breeding fish: set up retaining sedimentation basin (1) at inshore intake place, retaining sedimentation basin (1), beat geothermal well (3), salt water well (4) and fresh water well (5); Supplied water to water distribution workshop (8) by retaining sedimentation basin (1), geothermal well (3), salt water well (4) and fresh water well (5);
(2) water distribution workshop (8): water distribution workshop (8) comprise first, second sand filter (6,7), distribution reservoir (9), aqueduct (30); Second sand filter (7) is connected with retaining sedimentation basin (1) by pipeline, and the natural sea-water after filtering is offered distribution reservoir (9); First sand filter (6) is connected with salt water well (4), and (4 saline groundwater offers distribution reservoir (9) after filtering with the salt water well; Distribution reservoir (9) is connected by pipeline with fresh water well (5), the geothermal well (3) of supplying with fresh water and GEOTHERMAL WATER respectively; Be deployed into the temperature that is suitable for breeding fish and the water of salinity 9 li of distribution reservoirs with natural sea-water, GEOTHERMAL WATER, fresh water and saline groundwater; This distribution reservoir (9) is connected with the workshop of breeding fish (10) by aqueduct (30), and supplies water to the workshop of breeding fish (10);
(3) workshop (10) of breeding fish: comprise high-order water feeder (16) and a plurality of crawls (11) that formed at interval by partition wall each other; The water inlet of high-order water feeder (16) is connected with distribution reservoir (9) by aqueduct (30), its delivery port is equipped with water supply trunk line (29), is connected with the crawl (11) at close each partition wall position, pond by each branch's water-supply-pipe of drawing on the water supply trunk line (29); Wherein, high-order water feeder (16) is higher than crawl (11), and the difference in height in two ponds is 800-1200mm; Central authorities arrange water return pipeline at the bottom of the pond of crawl (11), and this water return pipeline is connected with Separation of Solid and Liquid purification facility (32);
(4) Separation of Solid and Liquid purification facility (32): comprise one-level solid-liquid separation tank (20), secondary solid-liquid separation tank (17), front end diversion basin (22), water pump groove (18), water circulating pump (19), three grades of solid-liquid separation tanks (13), terminal diversion basin (23), backwater trunk line (21), sewage conduct (24), biofilter (12), aeration oxygen replenishing pond (14) and disinfection by ultraviolet light pond (15); Wherein:
One-level solid-liquid separation tank (20) is that crawl (11) is carried out the Separation of Solid and Liquid first time by the backwater that water return pipeline gives off, the sewage that separates the back generation is input to sewage disposal system (33) by sewage conduct (24) and purifies, purifying waste water after the separation enters secondary solid-liquid separation tank (17) by backwater trunk line (21) and carries out solid-liquid and separate for the second time, sewage after the separation is sent to sewage disposal system (33) again by sewage conduct (24) and purifies, stream of cleaned water after separating is gone into water pump groove (18), be transported to by water circulating pump (19) and be transported to three grades of solid-liquid separation tanks (13) again behind the front end diversion basin (22) and carry out Separation of Solid and Liquid for the third time, level sewage after the separation is transported to waste water treatment cell system (33) by sewage conduct (24) and purifies, purifying waste water after will separating at last is transported to terminal diversion basin (23), and will purify waste water by the mouth of a river excessively on the terminal diversion basin (23) is transported to biofilter (12);
Biofilter (12) is channeltype, fills the stereo-elastic biologic packing material in biofilter (12), will purify waste water by being transported to aeration oxygen replenishing pond (14) after biofilter (12) processing;
Aeration oxygen replenishing pond (14) is communicated with disinfection by ultraviolet light pond (15), and aerator is installed in the bottom of aeration oxygen replenishing pond (14);
Disinfection by ultraviolet light pond (15) is communicated with the high-order water feeder (16) of the workshop of breeding fish (10), and ultraviolet ray disinfector is installed in disinfection by ultraviolet light pond (15);
(5) sewage disposal system (33): sewage disposal system comprises one-level waste water treatment pond (25), B-grade sewage processing pond (27); Wherein:
One-level waste water treatment pond (25) water inlet is connected with Separation of Solid and Liquid purification facility (32) by sewage conduct (24), culture in the described one-level waste water treatment pond (25) for the shellfish of purifying waste water, purifying waste water after handling through one-level waste water treatment pond (25) flows into B-grade sewage by pipeline (26) and purifies pond (27);
B-grade sewage purifies cultivates in the pond (27) for pasture and water and the algae of purifying waste water; Send into retaining sedimentation basin (1) by purifying waste water after the processing of B-grade sewage purification pond (27) through sand filtration wall, concrete duct (28).
2. ecological closed cycle water fish-cultivating method according to claim 1, it is characterized in that: the pool wall of the described one-level solid-liquid separation tank of step (4) (20) is for circular, be conical at the bottom of the pond, the pool wall diameter is 1000mm, tapering is 4, be respectively equipped with the opposite entery and delivery port of direction on the pool wall, the Inlet and outlet water direction of entery and delivery port forms a determining deviation each other near the tangential direction of circle in the pool wall; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 110mm which is provided with sewage draining valve.
3. ecological closed cycle water fish-cultivating method according to claim 1, it is characterized in that: the described secondary solid-liquid separation tank of step (4) (17) is square pond, four jiaos is big fillet, be conical at the bottom of the pond, pool side is long to be 5000mm, tapering is 10, and pool wall is provided with entery and delivery port, and entery and delivery port shifts to install relatively; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 160mm which is provided with sewage draining valve.
4. ecological closed cycle water fish-cultivating method according to claim 1, it is characterized in that: the described three grades of solid-liquid separation tanks of step (4) (13) are higher than crawl (11), and the difference in height in two ponds is 1000mm; Three grades of solid-liquid separation tanks (13) are square pond, four jiaos is big fillet, be conical at the bottom of the pond, pool side is long to be 2000mm, and tapering is 4, and pool wall is provided with entery and delivery port, entery and delivery port shifts to install relatively, described entery and delivery port be the identical rectangle of size, it is wide to be 300mm, height is 1000mm; Blow-off pipe is established at the center at the bottom of conical pond, and caliber 110mm which is provided with sewage draining valve; Three grades of solid-liquid separation tanks (13) are positioned at the biofilter, and a plurality of three grades of identical solid-liquid separation tanks are set continuously, hang the stereo-elastic biologic packing material in it.
5. ecological closed cycle water fish-cultivating method according to claim 1 is characterized in that: the described biofilter of step (4) (12) is channeltype, and the pond length overall is 45000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply; Biofilter (12) hangs 100 of biologic packing materials, every diameter 150mm, effective length 1800mm for every square metre.
6. ecological closed cycle water fish-cultivating method according to claim 1, it is characterized in that: step (4) described aeration oxygen replenishing pond (14) is the rectangle pond, and the pond is long to be 3000mm, and the pond is wide to be 2000mm, and the pond is 2000mm deeply; The pool wall bottom in aeration oxygen replenishing pond is provided with the foursquare mouth of a river of crossing of length of side 500mm and is communicated with the disinfection by ultraviolet light pond, at the pool wall in the aeration oxygen replenishing pond adjacent with disinfection by ultraviolet light pond (15) the foam separatory funnel is installed.
7. ecological closed cycle water fish-cultivating method according to claim 1, it is characterized in that: step (4) described disinfection by ultraviolet light pond (15) is the rectangle pond, the pond is long to be 1000mm, the pond is wide to be 600mm, Chi Shen is 2000mm, ultraviolet ray disinfector is installed in the disinfection by ultraviolet light pond, and this ultraviolet ray disinfector comprises quartz socket tube, quartz burner and caisson; Wherein:
Quartz burner is 75 watts, totally 21, divides 3 row configurations, 7 of every row, the solely control of whenever itemizing;
The diameter of quartz socket tube is 25mm;
Caisson is made of the PVC plate, has the installing hole of distribution at caisson, and the aperture is 26mm, and pitch-row is 80mm, and the quartz socket tube that quartz burner is installed is inserted in the installing hole of caisson.
CN201310186590.7A 2013-05-20 2013-05-20 Ecotype enclosed method for culturing fish through circulation water Expired - Fee Related CN103238554B (en)

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CN103518662A (en) * 2013-09-09 2014-01-22 莆田科大生物科技开发有限公司 Multistage water treatment system for closed type recirculating aquaculture
CN103583434A (en) * 2013-11-12 2014-02-19 浙江海洋学院 Sepia-lycidas flow-type artificial fry breeding device
CN103931545A (en) * 2014-04-04 2014-07-23 中国水产科学研究院渔业机械仪器研究所 Track-type aquaculture water processing system and process method thereof
CN104082211A (en) * 2014-07-07 2014-10-08 秦皇岛粮丰海洋生态科技开发股份有限公司 Horizontal three-channel circulating water fish breeding method
CN104351119A (en) * 2014-12-02 2015-02-18 重庆鸿沥金属材料有限公司 Aquaculture heat supply and oxygen supply mechanism
CN105794706A (en) * 2014-12-31 2016-07-27 付顺林 Ecological-type closed-water-recycling aquaculture system
CN104855310A (en) * 2015-05-06 2015-08-26 龙南源头活水生态科技有限责任公司 Acrossocheilus fasciatus simulated ecological factory large scale breeding and domestication method
CN105230551A (en) * 2015-10-28 2016-01-13 中国水产科学研究院淡水渔业研究中心 Low carbon high efficiency pond circulation water cultivation system
CN105994120A (en) * 2016-07-13 2016-10-12 通威股份有限公司 Pond bottom blowdown circulatory system
CN106857363A (en) * 2017-01-22 2017-06-20 秦皇岛粮丰海洋生态科技开发股份有限公司 A kind of light-transmission type bio-decontamination cycle water fish farming system
CN106857368A (en) * 2017-03-15 2017-06-20 广西精工海洋科技有限公司 A kind of sea farming system
CN107079869A (en) * 2017-03-16 2017-08-22 广西精工海洋科技有限公司 A kind of industrial circulating water cultivating system
CN107410160A (en) * 2017-05-07 2017-12-01 彭水县碧水清泉渔业有限公司 Intelligent control circulating water treatment utilizes integrated system
CN108862854A (en) * 2018-07-05 2018-11-23 河北科技师范学院 Sea pond circulating water culture system
CN110228903A (en) * 2019-06-11 2019-09-13 淮安市水产技术指导站 The purification of aquaculture tail water and circulation utilization method
CN110622903A (en) * 2019-08-27 2019-12-31 防城港市泾渭水产养殖有限公司 Intelligent ecological box type aquaculture system
CN110622903B (en) * 2019-08-27 2021-07-30 广西泾渭科技有限公司 Intelligent ecological box type aquaculture system
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