CN101613168A - A kind of purifying method of prawn culturing sewage - Google Patents
A kind of purifying method of prawn culturing sewage Download PDFInfo
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- CN101613168A CN101613168A CN200910040840A CN200910040840A CN101613168A CN 101613168 A CN101613168 A CN 101613168A CN 200910040840 A CN200910040840 A CN 200910040840A CN 200910040840 A CN200910040840 A CN 200910040840A CN 101613168 A CN101613168 A CN 101613168A
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Abstract
The present invention relates to a kind of purifying method of prawn culturing sewage, comprise aquaculture wastewater is carried out biopurification, filtration, purification and three grades of purifications of adsorption cleaning successively, effectively filter objectionable impurities such as solubility oxious component and suspended substance in the aquaculture water.Biopurification is absorb to culture solubility oxious component such as ammonium in the sewage that the pond emits and the organic granular in filter-feeding shellfish and the filter-feeding fish filter food sewage by algae.Filtration, purification is to make the water body sand filtration field of flowing through, and suspended particle and planktonic organism in the water are filtered.Adsorption cleaning is to make the soluble substance some in the water adsorbed by corallite and activated carbon surface, and a part is grown in the conversion that probiotics absorbs of corallite and activated carbon surface.Reusable edible aquaculture water of the present invention reduces sewage emissions, reduces the possibility of disease of prawn outbreak of epidemic.Owing to thrown in algae, shellfish and filter-feeding fish, increase income on the one hand, improved the culturing economic benefit.
Description
Technical field
The present invention relates to hydrocoles and propagate the field artificially, particularly the filter method of prawn culturing sewage.
Background technology
The water pollution that hydrocoles is cultured is a serious day by day problem, particularly to the shrimp culture, because it is big to cultivation density in shrimp culture's process, daily ration, feeding quantity is many, metabolic waste is many, aquaculture water eutrophication phenomenon is serious day by day, and most prawn culturings field (comprising the pool cultivated and high-elevation breeding pond of soil) is all with the waste water after breeding process and the breed end, refuse is without just directly discharging of any processing, plant and surrounding enviroment and even overall situation are caused certain pollution, so destroyed ecotope, two have increased the possibility of shrimp disease outbreak of epidemic.
At present, the processing for the prawn culturing water generally has following several method: 1) throw in beneficial organism.Such as in shrimp culture pond, throwing in probiotics, algae and the animals and plants etc. that swim.2) and fish, shellfish etc. are raised together with.3) the sand filtration well filters.4) settling tank post precipitation discharging etc.These methods play a role to the discharging that reduces aquaculture wastewater.But all there is weak point separately in they.Such as: method 1) can reduce solubility oxious component (ammonia nitrogen, nitroso-group salt etc.) in the aquaculture water, but then powerless for the macrobead suspended substance; Method 2) can remove part macrobead suspended substance, but can't remove the solubility objectionable impurities in the aquaculture water, simultaneously, fish, shellfish itself also will be discharged certain metabolic waste; Method 3) and method 4) can remove most suspended substances, but can not reduce in the aquaculture water solubility the evil composition.
Still there is not to take all factors into consideration the situation of the objectionable impurities of aquaculture wastewater in the purifying method of the aquaculture wastewater of current use, the purifying method of pollutents such as the suspended substance in comprehensively purifying waste water, solubility objectionable constituent.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, design and a kind ofly can effectively filter objectionable impurities such as solubility oxious component and suspended substance in the aquaculture water, avoid causing the purifying method of the prawn culturing sewage of environmental pollution.
To achieve these goals, the present invention includes following technical characterictic: a kind of purifying method of prawn culturing sewage, comprise that specifically step is as follows: will culture the aquaculture wastewater of discharging in the pond and pass through biopurification, filtration, purification and adsorption cleaning successively, the water body after being purified.
Described biopurification purifies aquaculture wastewater for utilizing filter-feeding shellfish, filter-feeding fish and/or algae.Described filter-feeding shellfish is oyster, clam son, hang razor clam or mussel; Described filter-feeding fish is a tilapia, rhizome of Chinese monkshood fish or yellowfin porgy; Described algae is laver or fragrant plant mentioned in ancient texts.
Described filtration, purification is for utilizing filter sand to the aquaculture wastewater filtration, purification.Further, utilize filter sand that the filtrate of aquaculture wastewater filtration, purification is entered screened well, enter adsorption cleaning by the water pump extracting then.So increase precipitation, and help controlling the sewage input of next step purification, guarantee carrying out smoothly of next step aquaculture wastewater.
Described adsorption cleaning purifies aquaculture wastewater for utilizing corallite and/or gac.Further, corallite and/or the gac in the described adsorption cleaning is attached with nitrobacteria.In order to increase the process of adsorption cleaning, described corallite and/or gac are located at by dividing plate and are divided in the water channel of several U-shaped canals.
Purify the back water body and reenter breed pond internal recycle utilization.
Compared with prior art, the present invention has following beneficial effect: the present invention carries out biopurification, filtration, purification and three grades of purifications of adsorption cleaning successively to aquaculture wastewater, can effectively filter objectionable impurities such as solubility oxious component and suspended substance in the aquaculture water.Wherein biopurification absorb to be cultured solubility oxious component such as ammonium salt in the sewage that the pond emits by algae, nitrate etc., and can use it for anything else after algae (as the river hedge) results (as abalone bait), biopurification is also by the organic granular in filter-feeding shellfish and the filter-feeding fish filter food sewage, part suspended substance and part objectionable impurities soluble in water were eliminated when aquaculture wastewater was flowed through organic evolution, finished one-level and filtered; During filtration, purification, the water body sand filtration field of flowing through, suspended particle and planktonic organism in the water are filtered, and water quality is further improved, and this is that filter the second stage; During adsorption cleaning, the soluble substance some in the water is adsorbed by corallite and activated carbon surface, and a part is grown, and water quality is further purified in the conversion that probiotics absorbs of corallite and activated carbon surface, and this filters for the third stage.One aspect of the present invention reusable edible aquaculture water reduces sewage emissions, alleviates the pressure of ecotope, reduction is to hydrobiont, as the outbreak of disease popular possibility of prawn, on the one hand owing to thrown in algae, shellfish and filter-feeding fish, increase income, improved the culturing economic benefit.
Description of drawings
Fig. 1 is a circulating water cultivation pattern diagram of the present invention;
Fig. 2 is a biological filter of the present invention structural representation;
Fig. 3 is a sand filtration system architecture synoptic diagram of the present invention.
Embodiment
The present invention is a kind of purifying method of prawn culturing sewage, at existing big to the cultivation density in shrimp culture's process, daily ration, feeding quantity is many, metabolic waste is many, the situation that aquaculture water eutrophication phenomenon is serious, under the dissatisfactory situation of single purification pattern effect, three grades of purification filtering patterns have been designed.
After the aquaculture wastewater of culturing the pond among the present invention is discharged, pass through these the three grades of purifications of biopurification, filtration, purification and adsorption cleaning successively, the water body after being purified at last, the water body after the purification is capable of circulation to be entered and cultures in the pond utilization and also can directly get rid of.
Illustrate that with Fig. 1 its concrete steps are: at first be the prawn culturing sewage in the shrimp aquaculture pond 4 to be entered biopurification ditch 13 through sewage well 6 and blow-off pipe 5 carry out biopurification.Put filter-feeding shellfish such as oyster, clam son, the razor clam of hanging, mussel etc. in the biopurification ditch 13 in a suitable place to breed, with filter-feeding fish such as tilapia, rhizome of Chinese monkshood fish, yellowfin porgy etc., these bioenergys organic granular in the aquaculture wastewater of ingesting, also planting in the biopurification ditch 13 has algae, as laver, fragrant plant mentioned in ancient texts, these algae can absorb the solubility oxious component in the sewage that shrimp culture pond emits, as ammonium salt, and nitrate etc.Like this, aquaculture wastewater has obtained purifying for the first time in biopurification ditch 13;
Secondly the water body in the biopurification ditch 13 is through sand filtration field 12, because the sand filtration effect, water body enters screened well 10 by the water inlet pipe under the sand filtration field 12.When water body entered screened well 10, the suspended substance in the seawater, planktonic organism, wild fish shrimp crab and ovum thereof etc. all were filtered, and so far breeding seawater obtains purifying for the second time.
Water body in the screened well 10 can be entered biological filter 9 by the water pump extracting as required the time then and carry out adsorption cleaning.Be provided with in the biological filter 9 and adhere to probiotics on corallite and gac and corallite and the gac seawater is further purified.Corallite and gac have huge surface-area on the one hand, can adsorb a large amount of oxious components, also be probiotics on the other hand, as nitrobacteria, provide and adhered to the place, and probiotics can further absorb the oxious component in the seawater decomposition, and so far aquaculture water is purified for the third time.
Can get back to recirculation utilization in the shrimp culture pond through the breeding seawater after three purifications.Owing in whole breeding process, outwards do not discharge aquaculture wastewater, solved a large amount of aquaculture wastewaters to the sea area pollution problem on the one hand, ecological benefits have obtained embodiment; Owing in the biopurification ditch, put economic shellfish, fish and marine alga etc. in a suitable place to breed, improved the economic benefit of culturing again on the one hand.
In order to realize above-mentioned inventive method, the present invention includes and culture pond 4, biopurification ditch 13, sand filtration field 12 and biological filter 9, its concrete syndeton is as follows:
Be illustrated in figure 1 as circulating water cultivation pattern diagram of the present invention, specifically comprise inlet channel 1, inlet channel is connected with the water source, and inlet channel 1 end has inlet gate 11, and inlet gate can be opened a sluice gate into water, can open a sluice gate draining again, and is flexible.Inlet gate 11 leads to biopurification ditch 13, is provided with filter sand field 12 in the biopurification ditch 13, and bottom, sand field has the filtered water inlet pipe to communicate with screened well 10.Screened well 10 and biological filter 9 link to each other by water pump.So increase precipitation, and help controlling the sewage input of next step purification, guarantee carrying out smoothly of next step aquaculture wastewater.Biological filter 9 discharge ends communicate with water-distributing well 8 and rising pipe 7.Shrimp culture pond 4 central authorities have sewage well 6 and blow-off pipe 5 to communicate with the biopurification ditch.Shrimp culture pond 4 also has emptying gate 3 to communicate with waterways 2.Total system both can cycling use of water, and the different needs of prawn culturing process water body in different steps satisfied in draining flexibly, water inlet again.
Fig. 2 is the structural representation of biological filter 9 of the present invention, has dividing plate 95 that filtering basin 9 are separated into U type ditch 94 in the biological filter 9, and U type ditch 94 has increased the length that purifies, and also makes easing up of current, has increased the effect of adsorption cleaning.Fill the filtering layer that corallite and gac are formed in the U type ditch 94.U type ditch 94 front ends have into water Buffer Pool 96, end has water outlet Buffer Pool 93, water inlet Buffer Pool 96 and water outlet Buffer Pool 93 have played the effect of buffering water body, guarantee the sluggish flow between the corallite of biological filter 9 and gac of water body in the adsorption cleaning process, improved adsorption effect, make nitrobacteria to the abundant digest and decompose of the energy of the pollutent in the water body, corallite and gac also can fully adsorb impurity, and sluggish flow has also guaranteed the existence of nitrobacteria.Rising pipe is provided with water-distributing well 92 and rising pipe 91, and the water body after the purification enters plant by water-distributing well 92 and rising pipe 91.
Fig. 3 is a sand filtration system architecture synoptic diagram of the present invention.Cross filter sand field 12 and from top to bottom lay fine sand and coarse sand, bottom, sand field is embedded with water inlet pipe 121, have prosopyle 122 on the water inlet pipe 121, outsourcing filtering net 123, the filter effect that lower leaf is provided with on fine sand and the coarse sand is best, and the design of prosopyle 122 and outsourcing filtering net 123 has avoided sand to stop up the prosopyle.Water body is stored in the screened well 10 after entering water inlet pipe 121 through filter sand, and the seawater after the filtration can enter the further filtration, purification in biological filter through drinking-water pipe and rising pipe by water pump 124 water lifts and enter in the shrimp culture pond then.The setting that screened well 10 and water pump 124 draw water can increase contamination precipitation in the water body, can control next step adsorption cleaning again, satisfies the flooding quantity requirement of adsorption cleaning process need.
Claims (9)
1, a kind of purifying method of prawn culturing sewage is characterized in that passing through biopurification, filtration, purification and adsorption cleaning successively, the water body after being purified with culturing the aquaculture wastewater of discharging in the pond.
2, the purifying method of prawn culturing sewage according to claim 1 is characterized in that described biopurification purifies aquaculture wastewater for utilizing filter-feeding shellfish, filter-feeding fish and/or algae.
3, the purifying method of prawn culturing sewage according to claim 2 is characterized in that described filter-feeding shellfish is oyster, clam son, hang razor clam or mussel; Described filter-feeding fish is a tilapia, rhizome of Chinese monkshood fish or yellowfin porgy; Described algae is laver or fragrant plant mentioned in ancient texts.
4, the purifying method of prawn culturing sewage according to claim 1 is characterized in that described filtration, purification is for utilizing filter sand to the aquaculture wastewater filtration, purification.
5, the purifying method of prawn culturing sewage according to claim 4 is characterized in that utilizing filter sand that the filtrate of aquaculture wastewater filtration, purification is entered screened well, enters adsorption cleaning by the water pump extracting then.
6, the purifying method of prawn culturing sewage according to claim 1 is characterized in that described adsorption cleaning purifies aquaculture wastewater for utilizing corallite and/or gac.
7, the purifying method of prawn culturing sewage according to claim 6 is characterized in that corallite and/or the gac in the described adsorption cleaning is attached with nitrobacteria.
8,, it is characterized in that described corallite and/or gac are located at by dividing plate to be divided in the water channel of several U-shaped canals according to the purifying method of each described prawn culturing sewage of claim 6～7.
9, the purifying method of prawn culturing sewage according to claim 1 is characterized in that purifying the back water body and reenters breed pond internal recycle utilization.
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| CN200910040840A CN101613168A (en) | 2009-07-03 | 2009-07-03 | A kind of purifying method of prawn culturing sewage |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499161A (en) * | 2011-11-24 | 2012-06-20 | 吴江市水产养殖有限公司 | Fishery recirculating aquaculture system and aquaculture method |
| CN103081838A (en) * | 2012-09-28 | 2013-05-08 | 汪远 | Closed seawater ecological cycle cultivation method and device system thereof |
| CN103588360A (en) * | 2013-11-08 | 2014-02-19 | 广西大学 | Mariculture wastewater treatment method and mariculture wastewater treatment system for higher-place pond |
| CN107182869A (en) * | 2017-06-05 | 2017-09-22 | 丹东市水产技术推广总站 | A kind of razor shell offspring seed cultivation method |
| CN107935296A (en) * | 2017-11-01 | 2018-04-20 | 湖北茂源水生态资源开发有限公司 | The ecological treatment system and method for a kind of aquiculture waste water |
| CN108046439A (en) * | 2017-11-14 | 2018-05-18 | 湖北茂源水生态资源开发有限公司 | A kind of static state lake water Ecosystem restoration system |
| CN108077154A (en) * | 2017-11-29 | 2018-05-29 | 兰溪市普润斯水产养殖技术有限公司 | A kind of high density prawn On Transportaion of Live equipment |
| CN111165406A (en) * | 2020-01-03 | 2020-05-19 | 宁波大学 | Indoor cement pond scylla paramamosain family construction method |
| CN112075488A (en) * | 2020-09-16 | 2020-12-15 | 烟台雨哥食品有限公司 | Deep purification method for improving safety of shellfish food |
| CN113349156A (en) * | 2021-07-20 | 2021-09-07 | 中国水产科学研究院东海水产研究所 | Circulating water culture system on transport ship for pseudosciaena crocea relay culture |
-
2009
- 2009-07-03 CN CN200910040840A patent/CN101613168A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499161A (en) * | 2011-11-24 | 2012-06-20 | 吴江市水产养殖有限公司 | Fishery recirculating aquaculture system and aquaculture method |
| CN103081838A (en) * | 2012-09-28 | 2013-05-08 | 汪远 | Closed seawater ecological cycle cultivation method and device system thereof |
| CN103081838B (en) * | 2012-09-28 | 2014-07-02 | 汪远 | Closed seawater ecological cycle cultivation method and device system thereof |
| CN103588360A (en) * | 2013-11-08 | 2014-02-19 | 广西大学 | Mariculture wastewater treatment method and mariculture wastewater treatment system for higher-place pond |
| CN103588360B (en) * | 2013-11-08 | 2015-08-19 | 广西大学 | A kind of feed coefficient marine culture wastewater treatment process and treatment system |
| CN107182869A (en) * | 2017-06-05 | 2017-09-22 | 丹东市水产技术推广总站 | A kind of razor shell offspring seed cultivation method |
| CN107935296A (en) * | 2017-11-01 | 2018-04-20 | 湖北茂源水生态资源开发有限公司 | The ecological treatment system and method for a kind of aquiculture waste water |
| CN108046439A (en) * | 2017-11-14 | 2018-05-18 | 湖北茂源水生态资源开发有限公司 | A kind of static state lake water Ecosystem restoration system |
| CN108077154A (en) * | 2017-11-29 | 2018-05-29 | 兰溪市普润斯水产养殖技术有限公司 | A kind of high density prawn On Transportaion of Live equipment |
| CN111165406A (en) * | 2020-01-03 | 2020-05-19 | 宁波大学 | Indoor cement pond scylla paramamosain family construction method |
| CN112075488A (en) * | 2020-09-16 | 2020-12-15 | 烟台雨哥食品有限公司 | Deep purification method for improving safety of shellfish food |
| CN113349156A (en) * | 2021-07-20 | 2021-09-07 | 中国水产科学研究院东海水产研究所 | Circulating water culture system on transport ship for pseudosciaena crocea relay culture |
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Open date: 20091230 |