CN102531277B - Purification method and device of cold-water fish cultivation water body in mountain gully watershed - Google Patents
Purification method and device of cold-water fish cultivation water body in mountain gully watershed Download PDFInfo
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- CN102531277B CN102531277B CN 201110327918 CN201110327918A CN102531277B CN 102531277 B CN102531277 B CN 102531277B CN 201110327918 CN201110327918 CN 201110327918 CN 201110327918 A CN201110327918 A CN 201110327918A CN 102531277 B CN102531277 B CN 102531277B
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Abstract
The invention discloses a purification method of a cold-water fish cultivation water body in mountain gully watershed. The method comprises the following process flows: 1) dispersing a biological flocculating agent by utilizing the characteristic that drop water at a potential difference water inlet is torrent and carrying out biological flocculoreaction; 2) filtering water flow obtained by biological flocculoreaction with ceramsite supported microorganism; 3) returning the water flow filtered by the ceramsite supported microorganism back to a fishpond; 4) entering turbid water obtained after biological flocculoreaction and pond washing water for the fishpond into constructed wetland; and 5) carrying out ecological purification on effluent from the constructed wetland and then discharging the purified effluent. The invention also relates to a device for realizing the method.
Description
Technical field
The present invention relates to the aquaculture water treatment device, relate more specifically to a kind of purifying method for ditch territory, mountain area cold water fish aquaculture water.
The invention still further relates to a kind of device of realizing above-mentioned purifying method.
Background technology
In recent years, ditch territory, mountain area fishery economic has obtained development faster, an important industry that develops into local economic development of some ditches territory cold water fish industry, formed a series of cold water fish such as collection hatching, cultivation, sale, barbecue and food and drink industrial zones as Bohai Sea town, HuaiRou, Beijing City cold water fish aquaculture industry, good reputation with river of rainbow trout cuisines, become local mainstay industry, effectively promoted the development of local economy.But lack of standardizationization of peasant cultivation for many years, feed and the unordered input of fish medicine, the unprocessed direct discharging of fish faeces movement has caused the serious nitrogen and phosphorus pollution of aquaculture water.On the one hand, breeding water is unprocessed directly to be discharged in the aquaculture water of downstream, easily cultured fishes is affected, and has particularly reduced the surviving rate of fry kind; On the other hand, the aquaculture water of pollution is discharged in the river, easily causes the decline of water quality of river, particularly when it is discharged in the river of upstream, drinking water source ground, easily causes the pollution of Drinking Water Source Quality, and then affects the surrounding resident drinking water safety.Therefore, it is one of key factor that ensures mountain area ditch territory sustainable economic development that ditch territory, mountain area cold water fish aquaculture water purifies, and is also the emphasis of improvement of the ecological environment.
Ditch territory, mountain area cold water fish cultivation treatment process commonly used has aeration, precipitation, filtration, biological-ecological recovery technique, throws in chemical agent technology, biological floating bed technology, membrane separation technique, stability chlorine dioxide technology and SBR sewage purification technology etc. at present, but it is limited that these single technology exist contaminant removal capacity, or invest the problems such as running cost is high, management maintenance is difficult, therefore be necessary to develop the treatment combination system that is fit to the cold water fish cultivation of ditch territory, mountain area.
Summary of the invention
The object of the present invention is to provide the purifying method of ditch territory, a kind of mountain area cold water fish aquaculture water.
It is a kind of be used to realizing the above-mentioned purpose device that another purpose of the present invention is to provide.
For achieving the above object, ditch territory, mountain area provided by the invention cold water fish aquaculture water purifying method, its flow process is:
1) utilize the torrent characteristics of ground potential difference water-in drop to disperse biological flocculant, carry out the biofloculation reaction;
2) the reacted current of biofloculation are filtered by the haydite loading microorganisms;
3) current after the haydite loading microorganisms filters return to fishpond;
4) the wash pool water of the reacted muddy water of biofloculation and fishpond enters artificial swamp;
5) water outlet of artificial swamp is discharged through after ecological purification.
Described purifying method, wherein, the biological flocculant that in step 1, the biofloculation reaction is adopted is lactobacillus (Envi-plus).
Described purifying method, wherein, the haydite loading microorganisms in step 2 is aperture 0.4-0.6 nanometer haydite load Rhodospirillaceae Rhodopseudomonas.
The device of realizing above-mentioned purifying method provided by the invention, it mainly comprises:
The biofloculation settling tank connects haydite loading microorganisms filtering basin;
Haydite loading microorganisms filtering basin connect fishpond;
The biofloculation settling tank is connected with fishpond and is connected artificial swamp;
The artificial swamp connection ecological purification pool;
Connection downstream row ditch, the ecological purification pool.
Described device, wherein, the biological flocculant in the biofloculation settling tank is lactobacillus (Envi-plus).
Described device, wherein, the haydite aperture in haydite loading microorganisms filtering basin is the 0.4-0.6 nanometer.
Described device, wherein, in haydite loading microorganisms filtering basin, the microorganism of load is the Rhodospirillaceae Rhodopseudomonas.
Described device, wherein, artificial swamp is surperficial drowned flow artificial wet land, the artificial swamp kind is implanted with waterplant.
Described device, wherein, the waterplant of artificial swamp plantation is cattail, calamus, Canna generalis Bailey and Spiked Loosestrife.
Described device, wherein, the ecological purification pool is provided with the active water machine of the sun and hangs the biological floating bed of carbon fibre ecological grass, wherein, the mode of biological floating bed employing water surface soilless culture waterplant, the biological floating bed 15-20% that accounts for the water surface.
The present invention can reduce the content of nitrogen and phosphorous in the cold water fish aquaculture water of ditch territory, mountain area, improves the water quality of ditch territory, mountain area cold water fish aquaculture water, for the purification of ditch territory, mountain area cold water fish aquaculture water, repair technical support is provided.
Description of drawings
Fig. 1 is refining plant schematic diagram of the present invention.
Embodiment
Ditch territory, mountain area provided by the invention cold water fish aquaculture water purifies associated plant, mainly includes:
Biofloculation settling tank 3 connects nano functional haydite loading microorganisms filtering basin 4;
Nano functional haydite loading microorganisms filtering basin 4 connect fishpond 5;
Biofloculation settling tank 3 and fishpond 5 be connecting surface drowned flow artificial wet land 6 simultaneously;
Surface drowned flow artificial wet land 6 connects the complex ecological multifunctional purifying pool 7;
The complex ecological multifunctional purifying pool 7 connects downstream row ditch 8.
In aforesaid combination technique, the optimum condition of each section is:
The hybrid mode of the flocculation agent of biofloculation settling tank and pending cold water fish aquaculture water is disperseed biological flocculant for the torrent characteristics of utilizing ground potential difference water-in drop.
The nano functional haydite aperture of nano functional haydite loading microorganisms filtering basin is the 0.4-0.6 nanometer;
The loading microorganisms of nano functional haydite loading microorganisms filtering basin is the Rhodospirillaceae Rhodopseudomonas.
The waterplant of surface drowned flow artificial wet land plantation can be that courage is not limited to cattail, calamus, Canna generalis Bailey and Spiked Loosestrife etc.
The ecological purification pool is provided with and the active water machine of the sun is set and hangs the biological floating bed of carbon fibre ecological grass.Wherein, the mode of biological floating bed employing water surface soilless culture waterplant, the biological floating bed 15-20% that accounts for the water surface.
Purifying method of the present invention and device have been realized the high-efficient denitrification and dephosphorization of ditch territory, mountain area cold water fish aquaculture water, improved the water quality of ditch territory, mountain area cold water fish aquaculture water, reduced processing cost, the present invention simultaneously has the characteristics of installation, area flexible design, ecological safety and stable water outlet.Compare with other aquaculture water Pollution abatement technology, the present invention is applicable to the improvement of flowing water culture water body, and treatment system has good decontamination effect improving under cold condition.
Be described in detail below in conjunction with accompanying drawing.
See also Fig. 1, ditch territory, a kind of mountain area provided by the invention cold water fish aquaculture water purifies combined system and mainly is formed by connecting by pipeline by biofloculation settling tank 3, nano functional haydite loading microorganisms filtering basin 4, surperficial drowned flow artificial wet land 6, the complex ecological multifunctional purifying pool 7 etc.Include: biofloculation settling tank 3 connects nano functional haydite loading microorganisms filtering basin 4; Nano functional haydite loading microorganisms filtering basin 4 connect fishpond 5; Biofloculation settling tank 3 and fishpond 5 be connecting surface drowned flow artificial wet land 6 simultaneously; Surface drowned flow artificial wet land 6 connects the complex ecological multifunctional purifying pool 7; The complex ecological multifunctional purifying pool 7 connects downstream row ditch 8.
In aforesaid combination technique, the optimum condition of each section is:
The hybrid mode of the flocculation agent of biofloculation settling tank and pending cold water fish aquaculture water is disperseed biological flocculant for the torrent characteristics of utilizing ground potential difference water-in drop, and biological flocculant of the present invention is known lactobacillus (Envi-plus);
The nano functional haydite aperture of nano functional haydite loading microorganisms filtering basin is the 0.4-0.6 nanometer;
The loading microorganisms of nano functional haydite loading microorganisms filtering basin is the Rhodospirillaceae Rhodopseudomonas;
The waterplant of surface drowned flow artificial wet land plantation is cattail, calamus, Canna generalis Bailey and Spiked Loosestrife.
The ecological purification pool is provided with and the active water machine of the sun is set and hangs the biological floating bed of carbon fibre ecological grass, wherein, and the mode of biological floating bed employing water surface soilless culture waterplant, the biological floating bed 15-20% that accounts for the water surface.
Pending upstream aquaculture water 1 takes full advantage of original ground potential difference with biological flocculant 2, water-in drop at biofloculation settling tank 3 mixes, then enter biofloculation settling tank 3 flocculation sediments, biofloculation settling tank 3 connects nano functional haydite loading microorganisms filtering basin 4, water outlet after in biofloculation settling tank 3, biofloculation is processed enters nano functional haydite loading microorganisms filtering basin 4, nano functional haydite diameter in nano functional haydite loading microorganisms filtering basin 4 is the 5-6 millimeter, a large amount of micropores is arranged, porosity is more than 40%, about 0.5 nanometer of aperture.Nano functional haydite area load has microbiobacterial agent simultaneously, and the microbiobacterial agent of load is the Rhodospirillaceae Rhodopseudomonas, comprises rhodopseudomonas acidophilus, Rhodopseudomonas palustris and Rhodopseudomonas spheroides.Nano functional haydite loading microorganisms filtering basin 4 connect fishpond 5, and the water after nano functional haydite loading microorganisms filtering basin 4 are processed directly enters fishpond 5, for culturing pool 5 supplies water; Biofloculation settling tank 3 and fishpond 5 be connecting surface drowned flow artificial wet land 6 simultaneously, the muddy water that biofloculation settling tank 3 produces and the wash pool water of fishpond 5 enter surperficial drowned flow artificial wet land 6 by pipeline respectively, and the waterplant of surperficial drowned flow artificial wet land plantation is such as but not limited to cattail, calamus, Canna generalis Bailey and Spiked Loosestrife.The water outlet of surface drowned flow artificial wet land 6 enters the complex ecological multifunctional purifying pool 7 by pipeline and is further processed, the complex ecological multifunctional purifying pool 7 is provided with the active water machine of the sun and hangs the biological floating bed of carbon fibre ecological grass, increase fast dissolved oxygen in water body by moving water machine, especially the dissolved oxygen concentration of bottom water body, realize the flow direction from top to bottom that other aerating apparatuss can't be realized.Wherein, the mode of biological floating bed employing water surface soilless culture waterplant, biological floating bed 15% of the water surface that accounts for.Be discharged into downstream row ditch 8 finally by crossing water outlet after process on the complex ecological multifunctional purifying pool 7.Show by analysis, method and apparatus of the present invention is to TN, TP, NH
3The main clean clearance of water-quality guideline such as-N all reaches more than 80%, and water outlet reaches " aquaculture water quality standard ".
Claims (5)
1. ditch territory, mountain area cold water fish aquaculture water purifying method, its flow process is:
1) utilize the torrent characteristics of ground potential difference water-in drop to disperse biological flocculant, carry out the biofloculation reaction, biological flocculant is lactobacillus;
2) the reacted current of biofloculation are filtered by the haydite loading microorganisms, and the haydite loading microorganisms is aperture 0.4-0.6 nanometer haydite load Rhodospirillaceae Rhodopseudomonas;
3) current after the haydite loading microorganisms filters return to fishpond;
4) the wash pool water of the reacted muddy water of biofloculation and fishpond enters artificial swamp;
5) water outlet of artificial swamp is discharged through after ecological purification.
2. device of realizing the described purifying method of claim 1, it mainly comprises:
The biofloculation settling tank connects haydite loading microorganisms filtering basin;
Haydite loading microorganisms filtering basin connect fishpond;
The biofloculation settling tank is connected with fishpond and is connected artificial swamp;
The artificial swamp connection ecological purification pool;
Connection downstream row ditch, the ecological purification pool.
3. device according to claim 2, wherein, artificial swamp is surperficial drowned flow artificial wet land, the artificial swamp kind is implanted with waterplant.
4. according to claim 2 or 3 described devices, wherein, the waterplant of artificial swamp plantation is cattail, calamus, Canna generalis Bailey and Spiked Loosestrife.
5. device according to claim 2, wherein, the ecological purification pool is provided with the active water machine of the sun and hangs the biological floating bed of carbon fibre ecological grass, wherein, the mode of biological floating bed employing water surface soilless culture waterplant, the biological floating bed 15-20% that accounts for the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110327918 CN102531277B (en) | 2011-10-25 | 2011-10-25 | Purification method and device of cold-water fish cultivation water body in mountain gully watershed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110327918 CN102531277B (en) | 2011-10-25 | 2011-10-25 | Purification method and device of cold-water fish cultivation water body in mountain gully watershed |
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| CN102531277A CN102531277A (en) | 2012-07-04 |
| CN102531277B true CN102531277B (en) | 2013-05-15 |
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| CN104211259B (en) * | 2014-09-16 | 2016-11-02 | 同济大学 | A kind of multifunctional ecological cleaning system of scale recirculating aquaculture water |
| CN104920280B (en) * | 2015-06-23 | 2017-06-06 | 陈武昌 | Suitable for the pearl culture device of industrial aquaculture |
| CN106797906B (en) * | 2017-01-05 | 2020-08-28 | 南通大学 | Circulating aquaculture system capable of storing heat by utilizing solar energy |
| CN107117717A (en) * | 2017-06-05 | 2017-09-01 | 河海大学 | A kind of wet land system that technology and the coastal aquaculture system of field irrigation technology purification are held based on microorganism |
| CN112028387B (en) * | 2020-08-12 | 2022-09-06 | 东珠生态环保股份有限公司 | Artificial wetland restoration method for non-point source polluted water treatment |
| CN113371904B (en) * | 2021-07-08 | 2024-01-23 | 宜昌市水利水电勘察设计院有限公司 | Biological slow filtering purification system and purification method for rural domestic sewage |
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| CA2549299A1 (en) * | 2006-06-02 | 2007-12-02 | Joaquin Ruiz Tirado | System and process to purify water in a freshwater fish farm plant with and without water recirculation by means of metallic foam filter |
| CN100558659C (en) * | 2006-12-12 | 2009-11-11 | 上海水产大学 | The method of circulating water culture system water treatment |
| CN102153246A (en) * | 2011-05-04 | 2011-08-17 | 南开大学 | Constructed wetland and oxygen enrichment biological treatment combined repair method for polluted water body of regenerated water landscape river |
| CN202482167U (en) * | 2011-10-25 | 2012-10-10 | 中国环境科学研究院 | Device for purifying cold water fish culture water in ravines of mountain areas |
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