CN201801419U - Algal-bacterial symbiotic ecological ditch - Google Patents

Algal-bacterial symbiotic ecological ditch Download PDF

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Publication number
CN201801419U
CN201801419U CN 201020511382 CN201020511382U CN201801419U CN 201801419 U CN201801419 U CN 201801419U CN 201020511382 CN201020511382 CN 201020511382 CN 201020511382 U CN201020511382 U CN 201020511382U CN 201801419 U CN201801419 U CN 201801419U
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CN
China
Prior art keywords
ecological
water
ditch
drop plate
porous
Prior art date
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CN 201020511382
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Chinese (zh)
Inventor
李谷
陶玲
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中国水产科学研究院长江水产研究所
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Priority to CN 201020511382 priority Critical patent/CN201801419U/en
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Publication of CN201801419U publication Critical patent/CN201801419U/en

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Abstract

The utility model relates to an algal-bacterial symbiotic ecological ditch, belonging to the technical field of ecological treatment of aquaculture wastewater. The ecological ditch comprises a water inlet, polyethylene grids, porous ecological bricks, a water outlet, a drop plate, an overflow weir and the like. The ecological ditch is characterized in that the ecological ditch is trapezoid; the porous ecological bricks are paved on the two side walls of the ditch; the porous ecological bricks and the polyethylene grids are alternately paved at the bottom of the ditch; the water outlet and an outlet gate are arranged at the tail end of the ditch; the drop plate is arranged outside the outlet gate; and the overflow weir is arranged at one side of the drop plate. By utilizing the symbiotic relationship between algae and beneficial microorganisms, the ecological ditch increases the content of the dissolved oxygen in water and suppresses propagation of pernicious bacteria. The ecological ditch solves the problem that the existing attached algae and the microorganisms are hard to realize mutualism, thus reducing the wastewater recycle effect to some extent. The ditch can increase the dissolved oxygen in water entering into the pond, deeply purify and remove eutrophic substances in water, realize synchronization of oxygenation and water purification and recycle the culture wastewater.

Description

A kind of ecological canal of helotisn
Technical field:
The utility model relates to a kind of ecological canal of helotisn, belongs to aquiculture waste water Ecological Disposal technical field.
Background technology:
China is populous, and there is a serious shortage in the supply for water resources per capita, is therefore paid much attention to for the purifying treatment and the cycling and reutilization of waste water.The scientific worker has carried out going deep into persistent research in a large number for this reason, and some terms of settlement are provided.The processing that existingly advance, the escape canal purification techniques is mainly used in riverway water quality purification, farmland discharging-irrigating water and sanitary sewage etc. is such as planting planting submerged plant, emergent, floating plant and placement shellfish etc. to purify water in irrigation canals and ditches; Arrange biologic packing material in addition in channel, as the stereo biological filler, artificial pasture and water, biological brush etc. utilize these bio-carrier particle-bound bacterias, and waste water is carried out purifying treatment; Be exactly to be equipped with the aeration spare that links to each other with apparatus of oxygen supply in addition in the irrigation canals and ditches bottom, biologic packing material of the irrigation canals and ditches inner suspension energy purifying water body on this aeration spare or the like.Prior art can partly be removed rich nutritive materials such as nitrogen in the water body, phosphorus, has played certain purifying water quality, advances the escape canal construction and transform also to have following defectives but apply it to pond culture; First waste water cleansing and recycling dissolved oxygen in water degree after treatment is low, and intestinal bacteria exceed standard, and do not reach China's water quality standard for fishery, can not culture cycling use of water as the fish pond; It two is that existing irrigation canals and ditches cover with the cement shop, makes the periphtic algae that can make oxygen and the microorganism that can play purifying water quality be difficult to mutualism, and purification of waste water and oxygenation are carried out simultaneously, has reduced the cycling utilization of wastewater effect to a certain extent; It three is prior art early investment height, and poor operability is carried out renovation and utilization to existing discarded irrigation canals and ditches, the idle waterways of advancing around the cultivating pool with being difficult to suit measures to local conditions.
Summary of the invention:
The purpose of this utility model is, a kind of polythene net lattice and porous ecological brick laid in irrigation canals and ditches is provided, by the beneficial microorganism symbiosis mutuality of interest of fixed growth on the algae that adheres on the polyethylene grid and the porous ecological brick, reach ammonia nitrogen in effective conversion breeding wastewater, suppress the purification of water quality ecological canal that harmful bacterium grows, increases oxygen in water content; With solve existing irrigation canals and ditches algae, bacterium is difficult to mutualism, purification of waste water and oxygenation can not be carried out simultaneously, have reduced the ecological canal of the helotisn of pond culture wastewater recycle effect problem.
The utility model is to realize above-mentioned purpose by following technical solution:
A kind of ecological canal of helotisn, it by water-in, polyethylene grid, porous ecological brick, water outlet, go out water board, drop plate and overflow weir constitute, it is characterized in that: ecological canal is up big and down small prismatoid structure, be equipped with the porous ecological brick on the both sides irrigation canals and ditches wall of ecological canal, the bottom of ecological canal alternately is equipped with porous ecological brick and polyethylene grid; The irrigation canals and ditches wall of ecological canal end is provided with water outlet, and water board is housed out on the water outlet, and the water outlet that goes out the water board outside is connected with the drop plate, and the opposite side of drop plate is provided with the overflow weir that is communicated with the fishpond.
Described drop plate is made of the cement plate of inlaying pebbles, described water outlet, drop plate, the stepped structure setting of overflow weir and fishpond.
The utility model beneficial effect compared with prior art is:
Polyethylene grid and the porous ecological brick of the ecological canal of this helotisn by laying in the irrigation canals and ditches, by attached to the algae on the polyethylene grid be embedded in probiotics symbiosis mutuality of interest on the porous ecological brick, further removing the ammonia nitrogen while in the water, improve oxygen in water content, suppress harmful bacterium breeding; The irrigation canals and ditches end goes out water board can regulate water level and flow velocity in the irrigation canals and ditches, and the drop plate plays the aeration oxygen replenishing effect, and overflow weir plays the control current and tackles the dead periphtic algae that comes off simultaneously.The utility model both can utilize the depleted irrigation canals and ditches to transform, do not need extra occupation of land, also can be by design requirements construction again, fabrication cost is few, engineering construction is simple, and breeding water can internal recycling use, and is specially adapted to the deep purifying of wetland, biological pond water outlet, can reach the purpose of conserve water resource and minimizing environmental pollution, good in economic efficiency.
Description of drawings:
Fig. 1 is a kind of cross section structure synoptic diagram of ecological canal of helotisn;
Fig. 2 is a kind of plan structure synoptic diagram of ecological canal of helotisn.
Among the figure: 1, water-in, 2, water outlet, 3, the polyethylene grid, 4, the porous ecological brick, 5, go out water board, 6, the drop plate, 7, overflow weir, 8, the fishpond.
Embodiment:
The ecological canal of this helotisn by water-in 1, water outlet 2, polyethylene grid 3, porous ecological brick 4, go out water board 5, drop plate 6 and overflow weir 7 constitute.The cross section of ecological canal is up big and down small prismatoid structure, is equipped with porous ecological brick 4 on the both sides irrigation canals and ditches wall of ecological canal, and the bottom of ecological canal alternately is equipped with porous ecological brick 4 and polyethylene grid 3; The effect of porous ecological brick 4 is to be used for beneficial microorganism to fix, and polyethylene grid 3 is used to adhere to the algae of self-sow.The irrigation canals and ditches wall of ecological canal end is provided with water outlet 2, and water board 5 is housed out on the water outlet 2, goes out water board 5 and works water level and the flow velocity effect of regulating in the control irrigation canals and ditches.The water outlet 2 that goes out water board 5 outsides is connected with drop plate 6, and the opposite side of drop plate 6 is provided with the overflow weir 7 that is communicated with fishpond 8.The water outlet 2 of ecological canal, drop plate 6, overflow weir 7 and fishpond 8 stepped structure settings.The purpose of drop plate 6 is pebbless of being inlayed by on it, and water outlet 2 effusive current are played aeration oxygen replenishing, and overflow weir 7 is controlled current on the one hand, tackles simultaneously on the other hand to come off on the polyethylene grid 3 or dead algae (referring to accompanying drawing 1-2).
The ecological canal working process of this helotisn is, with the breeding wastewater in the fishpond 8 by water pump lifting to wetland, wetland effluent is entered in the ecological canal by water-in 1, owing to be equipped with polythene net lattice 3 and porous ecological brick 4 on ecological canal bottom and the irrigation canals and ditches wall, the fixed beneficial microorganism can be with the larger molecular organics in the breeding wastewater on the porous ecological brick 4, be converted into the small-molecule substance of the algae utilization that can directly be adhered on the polyethylene grid 3, produce CO simultaneously 2, somatomedin and inorganic salt etc. promote the material of frustule growth to help the periphtic algae growth on the polyethylene grid 3.
The periphtic algae of growth is emitted oxygen on the polyethylene grid 3 when utilizing nitrogen, phosphorus nutrition salt, improve the water body dissolved oxygen content, the required material of secretion bacterial growth during the frustule growth, for the growth of the beneficial microorganism on the porous ecological brick 4 provides good ecotope, the harmful microorganism growth is suppressed.Thus, just formed the biological mutualism microbial film of phycomycete on polyethylene grid 3 in the ecological canal and porous ecological brick 4 carriers, breeding wastewater has been produced effective cleaning action.Breeding wastewater is flowed out by water outlet 2 after ecological canal purifies, hit the thin water layer of formation by the pebbles resistance that inlay on drop plate 6 surfaces, and further mix the increase dissolved oxygen amount with air, and behind overflow weir 7, enter fishpond 8 then, then finish a purification of waste water working cycle.
The utility model can solve pond circulation water culture in breeding wastewater purifying problems such as the back dissolved oxygen in water is low through artificial swamp or biological pond, can make that dissolved oxygen is increased to more than the 6mg/L in the breeding wastewater, make ammonia nitrogen, total nitrogen, total phosphorus, BOD 5, amount of total colibacillus reduces by 19.01%, 6.06%, 16.23%, 17.61%, 40.39% respectively, pollution substance obtains deep purifying, the water quality that makes circulation enter the pond reaches pond culture water quality standard (seeing Table 1).Nutritive substances such as the nitrogen phosphorus of removing in these irrigation canals and ditches are fixed in the periphtic algae frond, filter algae net place at overflow weir 7 after the frond death can thoroughly remove nitrogen, phosphorus nutrition from water body easily by manually fishing for, and has solved the nitrogen phosphorus nutrition difficulty thorough problem removed from system that exists in other irrigation canals and ditches purification techniques.Simultaneously irrigation canals and ditches form through transforming after and do not influence the pond behind the ecological canal and advance draining, to the breeding production operation less than influencing.
Table 1 algae-bacterium ecological canal is to the decontamination effect improving of pollutent

Claims (2)

1. the ecological canal of a helotisn, it by water-in (1), water outlet (2), polyethylene grid (3), porous ecological brick (4), go out water board (5), drop plate (6) and overflow weir (7) constitute, it is characterized in that: ecological canal is up big and down small prismatoid structure, be equipped with porous ecological brick (4) on the both sides irrigation canals and ditches wall of ecological canal, the bottom of ecological canal alternately is equipped with porous ecological brick (4) and polyethylene grid (3); The irrigation canals and ditches wall of ecological canal end is provided with water outlet (2), water board (5) is housed out on the water outlet (2), the water outlet that goes out water board (5) outside is connected with drop plate (6), and the opposite side of drop plate (6) is provided with the overflow weir (7) that is communicated with fishpond (8).
2. the ecological canal of a kind of helotisn according to claim 1, it is characterized in that: described drop plate (6) is made of the cement plate of inlaying pebbles, described water outlet (2), drop plate (6), overflow weir (7) and fishpond (8) stepped structure setting.
CN 201020511382 2010-08-23 2010-08-23 Algal-bacterial symbiotic ecological ditch CN201801419U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015382A (en) * 2012-12-28 2013-04-03 镇江山水湾生态农业开发有限公司 Agricultural non-point source pollution ecological intercepting ditch
WO2014013494A1 (en) 2012-07-19 2014-01-23 Aquanos Energy Ltd. Systems and methods for waste treatment
CN103535310A (en) * 2013-10-08 2014-01-29 威海长青海洋科技股份有限公司 Self-purification type aquaculture pond and building method thereof
CN103563818A (en) * 2013-10-23 2014-02-12 浙江海洋学院 Phycomycete water prawn circulating aquaculture system
CN104230095A (en) * 2014-01-20 2014-12-24 浙江青草地园林市政建设发展有限公司 Ecological intercepting and purifying system for suburban domestic sewage
CN104703469A (en) * 2012-09-07 2015-06-10 万斯创新公司 Symbiotic shrimp and algae growth system
CN104737949A (en) * 2015-03-06 2015-07-01 通威股份有限公司 Double-pond circulating aquaculture method
CN105731656A (en) * 2016-03-09 2016-07-06 上海交通大学 Alga-rich trench system for farmland tail water treatment and treatment method
CN105948267A (en) * 2016-06-22 2016-09-21 陈朝民 Purification method of eutrophicated water body
CN105961303A (en) * 2016-06-03 2016-09-28 山东大学 Fish-bacterium-algae-symbiotic ecological breeding system and running method thereof

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9790112B2 (en) 2012-07-19 2017-10-17 Aquanos Energy Ltd. Systems and methods for waste treatment
WO2014013494A1 (en) 2012-07-19 2014-01-23 Aquanos Energy Ltd. Systems and methods for waste treatment
CN104540785A (en) * 2012-07-19 2015-04-22 奥扩诺斯能源有限公司 Systems and methods for waste treatment
CN104703469A (en) * 2012-09-07 2015-06-10 万斯创新公司 Symbiotic shrimp and algae growth system
CN103015382A (en) * 2012-12-28 2013-04-03 镇江山水湾生态农业开发有限公司 Agricultural non-point source pollution ecological intercepting ditch
CN103535310A (en) * 2013-10-08 2014-01-29 威海长青海洋科技股份有限公司 Self-purification type aquaculture pond and building method thereof
CN103563818A (en) * 2013-10-23 2014-02-12 浙江海洋学院 Phycomycete water prawn circulating aquaculture system
CN103563818B (en) * 2013-10-23 2016-03-02 浙江海洋学院 Phycomycete water system prawn circulating water culture system
CN104230095A (en) * 2014-01-20 2014-12-24 浙江青草地园林市政建设发展有限公司 Ecological intercepting and purifying system for suburban domestic sewage
CN104230095B (en) * 2014-01-20 2016-05-04 浙江青草地园林市政建设发展有限公司 A kind of outskirts of a town domestic sewage ecological cuts clean system
CN104737949A (en) * 2015-03-06 2015-07-01 通威股份有限公司 Double-pond circulating aquaculture method
CN105731656A (en) * 2016-03-09 2016-07-06 上海交通大学 Alga-rich trench system for farmland tail water treatment and treatment method
CN105961303A (en) * 2016-06-03 2016-09-28 山东大学 Fish-bacterium-algae-symbiotic ecological breeding system and running method thereof
CN105961303B (en) * 2016-06-03 2019-02-12 山东大学 A kind of ecological cultivation system and its operation method of fish-bacterium-algae symbiosis
CN105948267A (en) * 2016-06-22 2016-09-21 陈朝民 Purification method of eutrophicated water body

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