CN105399286B - A kind of Novel cultivation water body in-situ Ecosystem restoration system - Google Patents

A kind of Novel cultivation water body in-situ Ecosystem restoration system Download PDF

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Publication number
CN105399286B
CN105399286B CN201510985532.XA CN201510985532A CN105399286B CN 105399286 B CN105399286 B CN 105399286B CN 201510985532 A CN201510985532 A CN 201510985532A CN 105399286 B CN105399286 B CN 105399286B
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tank
pond
clarifier
water
situ
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CN105399286A (en
Inventor
储忝江
原居林
杨元杰
孙翠萍
孙涛
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Zhejiang Institute of Freshwater Fisheries
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Zhejiang Institute of Freshwater Fisheries
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00Aeration of stretches of water

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The present invention relates to breeding water body original position restoration of the ecosystem fields, and in particular to a kind of Novel cultivation water body in-situ Ecosystem restoration system.Including set gradually along the sequencing that flow is passed through one or more sedimentation basins, for adhere to beneficial microorganism floating ball pond, fluitante clarifier-tank, one or more Constructed Wetland For Purifying pond, microalgae clarifier-tank, algivorous insect clarifier-tank, for removing the fish freshwater mussel clarifier-tank of remaining microalgae and algivorous insect and being eventually used for increasing the aeration tank of dissolved oxygen in water, be provided with purification filtrate and planting aquatic plants in the Constructed Wetland For Purifying pond.Inhomogeneous pond mainly for go water removal in carbon, phosphorus nutrition element and organic matter type it is different, the application is reasonably set successively by each pond, COD most in water, nitrogen phosphorus and suspended material can be effectively removed, therefore the water impurity after system purification reparation is few, purifying rate is high, oxygen content is high.

Description

A kind of Novel cultivation water body in-situ Ecosystem restoration system
Technical field
The present invention relates to breeding water original position restoration of the ecosystem fields, and in particular to a kind of Novel cultivation water original position restoration of the ecosystem System.
Background technology
It in aquaculture industry, is polluted for energy saving reduce, needs that breeding water repair simultaneously circulating repetition It utilizes, existing method is directly to carry out microbial cleaning again after simple precipitation is carried out to breeding water, then directly sends pond back to The pool is cultivated, and clean-up effect is barely satisfactory, suspended matter easily on attachment, the growth of microorganism difficulty or capacity of decomposition reduce, It is easily blocked between each pond, parts for maintenance, turnover rate are high, and consumptive material is big, and the Water warfare rate of output is low, and various organic matter kinds It is more, part organic matter can only be purified.
Invention content
The purpose of the present invention is provide a kind of Novel cultivation water body in-situ Ecosystem restoration system regarding to the issue above.
A kind of Novel cultivation water repair system, the one or more including being set gradually along the sequencing that flow is passed through are sunk Shallow lake pond, for adhering to beneficial microorganism floating ball pond, fluitante clarifier-tank, one or more Constructed Wetland For Purifying pond, microalgae Clarifier-tank, algivorous insect clarifier-tank, for remove the fish freshwater mussel clarifier-tank of remaining microalgae and algivorous insect and be eventually used for increase water The aeration tank of middle dissolved oxygen amount, purification stone is provided in the Constructed Wetland For Purifying pond and is planted is implanted with water plant.
The water plant in fluitante and Constructed Wetland For Purifying pond in fluitante clarifier-tank can be consumed in water The nutrients such as nitrogen, phosphorus, while the organic matter in water is decomposed, so as to purifying water body.
Fish freshwater mussel can eat up remaining phytoplankton in water.
Preferably, the sedimentation basin is three set gradually, set in each sedimentation basin perpendicular to water (flow) direction It is equipped with 1-3 screen holder, two hack levers and set that the screen holder includes being set up in upper and lower in sedimentation basin and is arranged in parallel The strainer being placed on two hack levers.
Preferably, the hack lever is reinforcing bar, the strainer is hydroformylation silk and/or hairbrush net, and the fluitante purifies Pond is located at pool wall top with respect to inlet and outlet, the water inlet is respectively arranged on two pool walls, and water outlet is located at pool wall Lower part, there are two strainers for each interior setting of the sedimentation basin, and the strainer of close water outlet is more than close to the strainer mesh of water inlet Mesh, be provided on the water outlet in the floating ball pond protection that prevents floating ball from taking or blocking water outlet out of from water outlet with water every Net.
It is set in sedimentation basin as strainer using silk floss net and hairbrush net, substantially increases the precipitation filtering effect of sedimentation basin Fruit, while strainer width of mesh is different, the particulate matter to differ in size can be filtered off, since water is to flow always, therefore at one The limited time of precipitation and filtering in pond, clean-up effect is also limited, and the application uses three continuous precipitation ponds, is equipped in pond Strainer substantially increases the filter net effect to water so that after sedimentation basin, most suspended substances are removed.
Preferably, the first wetland that the sequencing that the Constructed Wetland For Purifying pond includes passing through along flow is set gradually Clarifier-tank, the second wetland purification pond and third wetland purification pond are provided with pelelith in the first wetland purification pond, and second is net Change in pond and be provided with zeolite, magnetic bead is provided in third clarifier-tank.
The eyelet of pelelith, zeolite and magnetic bead successively is gradually reduced, it is adsorbable fall different size of poisonous and harmful substance with And suspended matter, good purification, and it is first thick rear thin, the purification efficiency in Constructed Wetland For Purifying pond can be improved.
Preferably, the repair system further includes the solar panel for providing power for water inlet.
How much also different solar panel is according to the available power of difference in season, if summer is more, winter is few, and this Biological summer temperature height in the water of application enlivens, and water pollution is fast, otherwise winter pollution is slow, lucky with solar panel It prepares, rightly provides the energy, it is more energy efficient, environmentally friendly.
Preferably, the Constructed Wetland For Purifying pond and fish freshwater mussel clarifier-tank are respectively respectively arranged in pond on opposite two pool walls Inlet and outlet, the water inlet are located at pool wall lower part, and water outlet is located at pool wall top.
The water outlet and water inlet in each pond are located at the diagonal setting close to pond, in conjunction with the water outlet in most of pond Mouthful and water inlet be set down, it is long to reach the maximum road that flows through so as to ensureing flow in a pond, can be into the pond Row is corresponding adequately to be decomposed or purifies.
Preferably, cultivation You great Piao in the fluitante clarifier-tank.
Preferably, the microalgae in the microalgae clarifier-tank includes chlorella vulgaris, scenedesmus and/or chlorella pyrenoidosa, Algivorous insect in the algivorous insect clarifier-tank includes Daphnia magna.
Preferably, the water plant in the Constructed Wetland For Purifying pond is the oenanthe stolonifera that Zhou Nianjun can be grown.
Oenanthe stolonifera is edible, realizes organically cycle.
Preferably, it is additionally provided between the fish freshwater mussel clarifier-tank and aeration tank net for removing the strainer of suspended particulate substance Change pond.
Strainer clarifier-tank filters off the suspended matter that fish freshwater mussel pond generates.
Sequencing between above-mentioned pond is according to cleaning principle and to reach best most efficiently most energy-efficient purification effect What fruit set gradually, the cultivation water after forming sediment by precipitation eliminates most of particulate matter and suspended matter, is the water process in later stage Excellent basis is provided, the fluency of entire cleaning system is substantially increased, reduces the maintenance rate of whole system, system can Continuous working period is longer, each pond utilization ratio higher.
Cultivation water by precipitation smoothly enters floating ball pond without big pellet impurity or suspended matter, using being attached to floating ball On beneficial microbe the nutriments such as nitrogen, the phosphorus in water and some organic matters are decomposed, and some oxygen into Enter in water and are done by oxygenation and is prepared for water oxygenation, the also purification for next step pond, ensure that next step pond can quickly, efficiently transport Turn.Fluitante clarifier-tank is sent into behind floating ball pond and further decomposes the nutriments such as nitrogen, phosphorus and some organic matters.
Constructed Wetland For Purifying pond is sent into after fluitante clarifier-tank, the nutrients such as nitrogen, phosphorus are not only decomposed in wetland purification pond Matter and some organic matters, while also various fine suspensions of different sizes in water and other poisonous and harmful substances are fallen in absorption.
Microalgae after Constructed Wetland For Purifying in microalgae pond further decomposes the nutriments such as nitrogen, phosphorus and some are organic Matter is then fed into algivorous insect clarifier-tank removal microalgae, then removes phytoplankton through fish freshwater mussel pond, is finally filtered, is aerated.
The present invention above-mentioned technical purpose technical scheme is that:
In conclusion the invention has the advantages that:
1st, different types of pond is directed to the nutriments such as nitrogen, the phosphorus gone in water removal and organic matter type is different, this Apply for that each pond is reasonably set successively, most nutriments such as impurity, nitrogen phosphorus accordingly in water can be effectively removed And organic matter, therefore by the system purification reparation after water impurity it is few, purifying rate is high, oxygen content is high.
2nd, the repair system purification speed of the application is fast, efficient, small, and at low cost, maintenance rate is low, and operating is stablized, Long lifespan.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this It is all protected in the right of invention by Patent Law.
Embodiment one:
A kind of Novel cultivation water repair system, the one or more including being set gradually along the sequencing that flow is passed through are sunk Shallow lake pond(1), for adhering to beneficial microorganism floating ball pond(2), fluitante clarifier-tank(3), one or more artificial swamps it is net Change pond, microalgae clarifier-tank(7), algivorous insect clarifier-tank(8), fish freshwater mussel clarifier-tank for removing remaining microalgae and algivorous insect(9) And it is eventually used for increasing the aeration tank of dissolved oxygen in water(10), purification stone is provided in the Constructed Wetland For Purifying pond and is planted There is water plant.Water plant in the Constructed Wetland For Purifying pond includes oenanthe stolonifera.It is cultivated in the fluitante clarifier-tank You great Piao.Microalgae in the microalgae clarifier-tank includes chlorella vulgaris, scenedesmus and chlorella pyrenoidosa, the algivorous insect purification Algivorous insect in pond includes Daphnia magna.
The sedimentation basin is three set gradually, and water (flow) direction is provided with 1-3 in each sedimentation basin Screen holder(11), the screen holder includes two hack levers for being set up in upper and lower in sedimentation basin and being arranged in parallel(12)And setting Strainer on two hack levers(13).The hack lever is reinforcing bar, and the strainer is hydroformylation silk and/or hairbrush net, and the floating is planted Object clarifier-tank is located at pool wall top, water outlet position with respect to inlet and outlet, the water inlet is respectively arranged on two pool walls In setting in pool wall lower part, each sedimentation basin there are two strainer, the strainer mesh close to water inlet is more than close to water outlet Strainer mesh.Being provided on the water outlet in the floating ball pond prevents floating ball from taking or blocking the anti-of water outlet out of from water outlet with water Protect filter.
The first wetland purification pond that the sequencing that the Constructed Wetland For Purifying pond includes passing through along flow is set gradually (4), the second wetland purification pond(5)With third wetland purification pond(6).Pelelith is provided in the first wetland purification pond, the Zeolite is provided in two clarifier-tanks, magnetic bead is provided in third clarifier-tank.
The Constructed Wetland For Purifying pond and fish freshwater mussel clarifier-tank be respectively respectively arranged on opposite two pool walls in pond water inlet and Water outlet, the water inlet are located at pool wall lower part, and water outlet is located at pool wall top.
Embodiment two:
Unlike the embodiments above be in is additionally provided with to remove suspension between the fish freshwater mussel clarifier-tank and aeration tank The strainer clarifier-tank of particulate matter(14).The repair system further includes the solar panel for providing power for water inlet.
Inhomogeneous pond mainly for go water removal in carbon phosphorus compound and organic matter type it is different, this Shen It is please reasonably set, can remove the overwhelming majority in water corresponding impurity, carbon phosphorus compound and had successively by first each pond Machine matter, therefore the water impurity after system purification reparation is few, purifying rate is high, and oxygen content is high, and COD can decline 60 ~ 90%, N can 45 ~ 50% can be declined by declining 30 ~ 60%, P.

Claims (8)

1. a kind of Novel cultivation water body in-situ Ecosystem restoration system, it is characterised in that:Including along the sequencing that flow is passed through according to One or more sedimentation basins of secondary setting(1), for adhering to beneficial microorganism floating ball pond(2), fluitante clarifier-tank(3)、 Multiple Constructed Wetland For Purifying ponds, microalgae clarifier-tank(7), algivorous insect clarifier-tank(8), for removing remaining microalgae and algivorous insect Fish freshwater mussel clarifier-tank(9)And it is eventually used for increasing the aeration tank of dissolved oxygen in water(10), set in the Constructed Wetland For Purifying pond There is purification filtrate and plant and be implanted with water plant, water (flow) direction is provided with 1-3 screen holder in each sedimentation basin (11), the screen holder includes two hack levers for being set up in upper and lower in sedimentation basin and being arranged in parallel(12)Be set to two framves Strainer on bar(13);The first wetland that the sequencing that the Constructed Wetland For Purifying pond includes passing through along flow is set gradually is net Change pond(4), the second wetland purification pond(5)With third wetland purification pond(6), volcano is provided in the first wetland purification pond Stone is provided with zeolite in the second clarifier-tank, magnetic bead is provided in third clarifier-tank.
2. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:The hack lever is Reinforcing bar, the strainer are hydroformylation silk and/or hairbrush net, and the fluitante clarifier-tank on two pool walls with respect to being respectively arranged with into water Mouth and water outlet, the water inlet are located at pool wall top, and water outlet is located at pool wall lower part, and two are provided in each sedimentation basin A strainer is more than the strainer mesh close to water outlet close to the strainer mesh of water inlet, is set on the water outlet in the floating ball pond There is the protection filter for preventing floating ball from taking or blocking water outlet out of from water outlet with water.
3. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:It is described to repair system System further includes the solar panel for providing power for water inlet.
4. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:The Manual moist Ground clarifier-tank and fish freshwater mussel clarifier-tank are respectively respectively arranged with inlet and outlet, the water inlet position in pond on opposite two pool walls In pool wall lower part, water outlet is located at pool wall top.
5. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:The floating is planted Cultivation You great Piao in object clarifier-tank.
6. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:The microalgae is net The microalgae changed in pond includes chlorella vulgaris, scenedesmus and/or chlorella pyrenoidosa, the algivorous insect packet in the algivorous insect clarifier-tank Include Daphnia magna.
7. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:It is described artificial Water plant in wetland purification pond is the oenanthe stolonifera that Zhou Nianjun can be grown.
8. a kind of Novel cultivation water body in-situ Ecosystem restoration system according to claim 1, it is characterised in that:The fish freshwater mussel is net Change the strainer clarifier-tank being additionally provided between pond and aeration tank for removing suspended particulate substance(14).
CN201510985532.XA 2015-12-25 2015-12-25 A kind of Novel cultivation water body in-situ Ecosystem restoration system Active CN105399286B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109574421A (en) * 2019-01-31 2019-04-05 清华大学深圳研究生院 A kind of reverse osmosis concentration enhanced water processing method and equipment
CN116835758A (en) * 2021-01-14 2023-10-03 山东大学 Biological-ecological coupling sewage treatment method
CN113415953A (en) * 2021-07-14 2021-09-21 贵州大学 Mountain area sloping field flowing water culture tail water treatment system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030116502A1 (en) * 2000-08-23 2003-06-26 Debusk Thomas A. Algal and nutrient control system and method for a body of water
CN101327997A (en) * 2008-07-24 2008-12-24 中山大学 Comprehensive processing method of aquiculture sewerage
WO2010044115A1 (en) * 2008-10-17 2010-04-22 Tecnosea S.R.L. Integrated system for the treatment and the reuse of the aquaculture effluents
CN104509946A (en) * 2013-09-27 2015-04-15 兴化市味野食品有限公司 Recycle washing device for vegetables
CN104944711A (en) * 2015-07-03 2015-09-30 广州太和水生态科技有限公司 Water processing method and device based on water ecosystem
CN205313323U (en) * 2015-12-25 2016-06-15 浙江省淡水水产研究所 Novel aquaculture water body normal position ecological remediation system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030116502A1 (en) * 2000-08-23 2003-06-26 Debusk Thomas A. Algal and nutrient control system and method for a body of water
CN101327997A (en) * 2008-07-24 2008-12-24 中山大学 Comprehensive processing method of aquiculture sewerage
WO2010044115A1 (en) * 2008-10-17 2010-04-22 Tecnosea S.R.L. Integrated system for the treatment and the reuse of the aquaculture effluents
CN104509946A (en) * 2013-09-27 2015-04-15 兴化市味野食品有限公司 Recycle washing device for vegetables
CN104944711A (en) * 2015-07-03 2015-09-30 广州太和水生态科技有限公司 Water processing method and device based on water ecosystem
CN205313323U (en) * 2015-12-25 2016-06-15 浙江省淡水水产研究所 Novel aquaculture water body normal position ecological remediation system

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