CN104944711B - Method for treating water based on aquatic ecosystem and device thereof - Google Patents
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Abstract
The present invention relates to a kind of method for treating water based on aquatic ecosystem and device thereof.This method for treating water comprises the steps: that (1) sewage, after grid and/or setting pot pre-process, is derived；(2) water outlet importing algae reactor reacts；(3) reacted mixed liquor importing algivorous insect reactor reacts；(4), after the algivorous insect in the mixed liquor after separating reaction, artificial wet land system is directed water into, or, reacted mixed liquor is imported the ecological treatment system comprising aquatic animal, water plant and microorganism, water outlet after process.This method for treating water, sanitary sewage or other waste water can directly be processed into ground Table II Group III water, and directly natural water will not be polluted by discharge, is a kind of low cost, efficient, the processing method of resource, and water treatment procedure produces without secondary pollutions such as excess sludges, low-carbon environment-friendly.
Description
Technical field
The present invention relates to water body treating technology, particularly relate to a kind of method for treating water based on aquatic ecosystem
And device.
Background technology
The main method that water processes has physics, chemistry, bioanalysis, and concrete technology includes respectively: filters, mix
Retrogradation shallow lake, activated sludge process, biomembrance process, film process, high-level oxidation technology etc., and various process side
The improvement of method and combination application.Wherein, activated sludge process, biomembrance process are widely used in sewage disposal
In two stage treatment, film processes, high-level oxidation technology is mainly used in the advanced treating that water processes.
At present, the maximum emission standard that various waste water process is urban wastewater treatment firm pollutant emission standard one
Level A mark, the water outlet after town sewage plant processes remains bad V class water quality, still can after entering natural water
Cause the pollution problem of eutrophication.Additionally, most widely used activated sludge process can not be kept away with biomembrance process
The generation excess sludge exempted from, excess sludge faces the process disposal costs of great number, and landfill stabilization also needs to take up an area,
Cause the waste of land resource.The technology such as film process are applied in advanced treating to improve town sewage plant
Effluent quality, but its cost, operating cost are high.
Presently, temporarily without a kind of can be with low cost, low energy consumption, the sewage water treatment method of high effluent quality.
Summary of the invention
Based on this, it is necessary to provide a kind of method for treating water based on aquatic ecosystem.
A kind of method for treating water based on aquatic ecosystem, comprises the steps:
(1) sewage is after grid and/or setting pot pre-process, and derives；
(2) water outlet of step (1) being imported algae reactor to react, reacted mixed liquor is derived；
(3) mixed liquor of step (2) is imported algivorous insect reactor to react, reacted mixed liquor
Derive；
(4) after the algivorous insect in separating step (3) mixed liquor, direct water into artificial wet land system, process
Rear water outlet, or,
Step (3) mixed liquor is imported the Ecological Disposal system comprising aquatic animal, water plant and microorganism
System, water outlet after process.
Wherein in an embodiment, the condition of step (2) described reaction is: intensity of illumination is
3000-10000LX (lux)；Water temperature 10-30 DEG C；PH 7-9, under the conditions of described, reaction is to mixing
Chlorophyll-a Content in liquid is 100～400 μ g/L or amount of algae is to lead when 60,000,000～1.5 hundred million/L
Go out, need during described reaction to carry out intermittent aerating.
Wherein in an embodiment, the method for described intermittent aerating is: every 1-6h aeration 4-10h.Thus
Carbon dioxide algal grown needed for and amount of oxygen are effectively ensured.
Wherein in an embodiment, the condition of step (3) described reaction is: water temperature 5-35 DEG C, pH5-9,
Reaction time 4-24h.
Wherein in an embodiment, before the water outlet of step (1) imports, algae in described algae reactor
Quantity is ten thousand/L of 500-3000.
Wherein in an embodiment, before the mixed liquor of step (2) imports, described algivorous insect reactor is eaten
The quantity of algae worm is 100-600mg/L.
Wherein in an embodiment, described algae is edible algae or oil-producing algae.There is economic utilization
It is worth and is prone to be utilized by algivorous insect simultaneously.
Wherein in an embodiment, the method for step (4) described separation algivorous insect is gravitational method, centrifugal process
Or filtration method.
Wherein in an embodiment, described artificial wet land system includes packing layer and the emergent aquactic plant layer of stacking,
And it is attached to the microorganism of described packing layer.
The present invention also provides for a kind of water treatment facilities based on aquatic ecosystem, including the grid being sequentially connected with,
Setting pot, support and have the algae reactor of algae, support and have the algivorous insect reactor of algivorous insect and water depth to process
Device, wherein, described water depth processing means is the life supported and have water plant, aquatic animal and microorganism
State water treating pond, or, the worm separator being sequentially connected with and artificial wet land system.
Principle and the advantage of the present invention are as follows:
Sanitary sewage or other waste water usually contain substantial amounts of organic matter, nitrogen, phosphorus, inorganic salt and other material,
While it is pollutant, being also can be utilized nutriment by biological, microorganism, the present invention is basis at this
On, through experimental exploring, drawing a kind of method for treating water based on aquatic ecosystem, its principle is as follows:
(1) sewage first pre-processes through grid and/or setting pot, remove with this foreign material in waste water, rubbish,
Particulate matter, fine particle, sandstone etc.；
(2) be then directed into water outlet to support and have in the reactor of algae, temperature of the present invention, pH value,
Under the conditions of illumination, carbon dioxide, oxygen etc., algae makes full use of the dirts such as the organic matter in waste water, nitrogen, phosphorus
Dye thing is bred as the nutriment needed for growth, raised growth, thus Pollutants in Wastewater is converted into algae
Class material；
(3) being imported in the reactor that cultivation has algivorous insect with waste water mixed liquor by algae, algivorous insect with algae is
Major Foods, under the conditions of temperature of the present invention, pH value etc., it is ensured that algivorous insect is raw at exponential phase
Long breeding, through self metabolism and breeding, quickly removes Measures of Algae in Water Body, and algivorous insect is given birth in a large number simultaneously
Long breeding, thus algae substances is converted into algivorous insect；
(4) algivorous insect and waste water mixed liquor can be introduced directly into and comprise aquatic animal, water plant and microorganism
Ecological treatment system, algivorous insect is the bait of aquatic animal, and thus pollutant is eventually converted into aquatic animal,
Realizing the resource of polluter, in waste water, the polluter such as remaining nutritive salt is in water plant, microorganism
Effect under be removed；Or, by mixed liquor algivorous insect separate after, water be directed into include water plant and
The artificial wet land system of microorganism, the in like manner contaminant remaining in removal waste water, and the algivorous insect of isolated
Can be used as feeding bait or other purposes of the aquatic animals such as fishes and shrimps, it is achieved recycling.Meanwhile, manually
Wet land system and ecological treatment system also have certain landscape function.
Sewage via above-mentioned steps process after, water quality reaches earth's surface II-III class water, can drain into natural water or
Utilize as water resource.
Compared with prior art, the method have the advantages that
Method for treating water based on aquatic ecosystem of the present invention, by Ecosystem Food chain principle, will
Pollutant is converted into algivorous insect, aquatic animals and plants etc., can sanitary sewage or other waste water be directly processed into
Earth's surface II-III class water, directly natural water will not be polluted by discharge, on the contrary can be directly as water resource
Utilize, be a kind of low cost, efficient, the processing method of resource, and without excess sludge in water treatment procedure
Produce Deng secondary pollution, low-carbon environment-friendly.
Water treatment facilities based on aquatic ecosystem of the present invention, simple in construction, it is simple to actual application.
Accompanying drawing explanation
Fig. 1 is water treatment facilities schematic diagram based on aquatic ecosystem of the present invention；
Fig. 2 is the flow chart of method for treating water based on aquatic ecosystem of the present invention, wherein,
Grid 10, grid water inlet 101, grid delivery port 102；
Setting pot 20, setting pot water inlet 201, setting pot delivery port 202, agitating device 203；
Algae reactor 30, algae reactor water inlet 301, algae reactor delivery port 302, artificial lighting
System 303, aerating system 304, heating system 305；
Algivorous insect reactor 40, algivorous insect reactor water inlet 401, algivorous insect reactor delivery port 402, add
Hot systems 403；
Ecological water treating pond 50, ecological water treating pond water inlet 501, ecological water treating pond delivery port 502 is heavy
Water plant 503, floating and floatingleaved plant 504, aquatic animal 505, emergent aquactic plant 506, microorganism 507；
Worm separator 60, worm separator water inlet 601, worm separator delivery port 602, piece-rate system
603, algivorous insect collection device 604；
Artificial wet land system 70, artificial swamp water inlet 701, artificial wetland effluent mouth 702, emergent aquactic plant layer
703, packing layer 704, microorganism 706 (apposition growth is on packing layer 704)；
Chlorination equipment 80.
Detailed description of the invention
Algivorous insect of the present invention is the special big with algae, organic particulate matter for food of a kind of improved domestication
Type class zooplankter.
Below in conjunction with specific embodiment, method for treating water based on aquatic ecosystem and the device thereof of the present invention are made
Further details of explanation.
Embodiment 1
A kind of water treatment facilities (as shown in Figure 1) based on aquatic ecosystem of the present embodiment, including being sequentially connected with
Grid 10, setting pot 20, support and have the algae reactor 30 of algae, support and have the algivorous insect reactor of algivorous insect
40, water depth processing means and chlorination equipment 80, wherein, described water depth processing means has water for supporting
The ecological water treating pond 50 of raw plant, aquatic animal and microorganism, wherein,
Described setting pot 20 is provided with agitating device 203 (including motor and screw)；Described algae reactor
30 are provided with artificial lighting system 303, aerating system 304 and heating system 305；Described algivorous insect reactor
40 are also equipped with heating system 403.
A kind of method for treating water based on aquatic ecosystem, uses above-mentioned water treatment facilities, comprises the steps (stream
Journey figure is shown in Fig. 2):
(1) sanitary sewage (sanitary sewage that source is collected by city planting ductwork) enters through grid water inlet 101
Grid 10, removes the foreign material in waste water, rubbish, large particulate matter etc., is then led by grid delivery port 102
Go out；
(2) water outlet is imported in setting pot 20 through pipeline by setting pot water inlet 201, fine particle, sandstone etc.
It is removed, setting pot delivery port 202 derives；
(3) water outlet is imported in algae reactor 30 by algae reactor water inlet 301 through pipeline and reacts,
In described algae reactor 30, the quantity of algae (edible algae) is 5,000,000/L, passes through artificial lighting
System 303 and heating system 305, the reaction condition controlled in algae reactor is: the people of 5000LX intensity
Work illumination, temperature, at 10-30 degree Celsius, can heat when temperature is relatively low, maintains the pH of water body to be simultaneously
7-9, enables algae fast-growth, the most day by day by aerating system 304 intermittent aerating: every 2h aeration
6h, when detecting that amount of algae is about 100,000,000/L in algae reactor, by algae together with water via algae
Reactor delivery port 302 is derived；
In algae reactor, algae utilizes the pollutants such as the organic matter in waste water, nitrogen, phosphorus as growth institute
The nutriment needed, is maintained at the breeding of exponential phase raised growth, Pollutants in Wastewater is converted into algae
Material；
(4) water outlet through pipeline imported by algivorous insect reactor water inlet 401 algivorous insect reactor 40 is carried out anti-
Should, in described algivorous insect reactor 40, the quantity of algivorous insect is 200mg/L, is maintained by heating system 403
Water temperature 5-35 degree Celsius, the pH simultaneously maintaining water body is 5-9, reacts 12h, by algivorous insect and water one
Rise and derive via algivorous insect reactor delivery port 402；
In algivorous insect reactor, algivorous insect, with algae for food, through self metabolism and breeding, removes water
Algae in body, the simultaneously breeding of algivorous insect raised growth, algae is converted into algivorous insect；
(5) water outlet is imported ecological water treating pond 50, described life through pipeline by ecological water treating pond water inlet 501
State water treating pond 50 is supported has water plant (to include submerged plant 503 (eel grass), floating and floatingleaved plant 504
(water lily) and emergent aquactic plant 506 (canna)), aquatic animal 505 (mandarin fish) and microorganism 507 (nitre
Change bacterium, denitrifying bacteria etc.), then water is derived via ecological water treating pond delivery port 502；
This ecological treatment system forms the complete ecosystem, algivorous insect with aquatic animal, water plant, microorganism
Being the bait of aquatic animal, pollutant is converted into aquatic animal the most at last, it is achieved the resource of polluter,
In waste water remaining polluter water plant, microorganism effect under be removed, meanwhile, at this ecology
Reason system also has certain landscape function；
(6) water outlet is after carrying out disinfection during pipeline enters chlorination equipment 80, i.e. completes water and processes.
Disinfect rear water quality and reach earth's surface II-III class water, natural water can be drained into or as water resource
Utilize.
Embodiment 2
A kind of water treatment facilities (as shown in Figure 1) based on aquatic ecosystem of the present embodiment, by embodiment 1 institute
State the water depth processing means in water treatment facilities and replace with the worm separator 60 and Manual moist being sequentially connected with
Ground system 70, remaining device is with embodiment 1.
A kind of method for treating water (flow chart is shown in Fig. 2) based on aquatic ecosystem, sewage is collected from city planting ductwork
Sanitary sewage, use above-mentioned water treatment facilities, step is with embodiment 1, and difference is:
The intensity of step (2) described illumination is 3000LX, and the method for described intermittent aerating is every 6h aeration
10h；
The water outlet of step (4) is entered worm separator 60 through pipeline by worm separator water inlet 601, passes through
Algivorous insect is separated by piece-rate system 603 (whizzer) with water, and the algivorous insect of separation enters algivorous insect and collects
Device 604, can be as the bait of nursing fishes and shrimps, and polluter is converted into aquatic animal the most at last, it is achieved resource
Changing and utilize, water is imported artificial wet land system 70 through pipeline by artificial swamp water inlet 701, this artificial swamp system
System 70 includes packing layer 704 (haydite etc.) and the emergent aquactic plant layer 703 (canna, again power flower) of stacking,
And it is attached to the microorganism 706 (nitrobacteria, denitrifying bacteria) of packing layer and aquatic at artificial swamp
Under the effect of plant and microorganism, remaining the polluters such as nutritive salt and be removed, then water outlet is by artificial swamp
Delivery port 702 is derived, and enters after carrying out disinfection in chlorination equipment 80, i.e. completes water and processes.
Disinfect rear water quality and reach earth's surface II-III class water, natural water can be drained into or as water resource
Utilize.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. a method for treating water based on aquatic ecosystem, it is characterised in that comprise the steps:
(1) sewage is after grid and/or setting pot pre-process, and derives；
(2) water outlet of step (1) being imported algae reactor to react, reacted mixed liquor is derived；
(3) mixed liquor of step (2) is imported algivorous insect reactor to react, reacted mixed liquor
Derive；
(4) after the algivorous insect in separating step (3) mixed liquor, direct water into artificial wet land system, process
Rear water outlet, or,
Step (3) mixed liquor is imported the Ecological Disposal system comprising aquatic animal, water plant and microorganism
System, water outlet after process.
Method for treating water based on aquatic ecosystem the most according to claim 1, it is characterised in that step
Suddenly the condition of (2) described reaction is: intensity of illumination is 3000-10000LX；Water temperature 10-30 DEG C；PH 7-9,
Under the conditions of described, the Chlorophyll-a Content reacted to mixed liquor is 100～400 μ g/L or amount of algae is
Derive when 60000000～1.5 hundred million/L, need during described reaction to carry out intermittent aerating.
Method for treating water based on aquatic ecosystem the most according to claim 2, it is characterised in that institute
The method stating intermittent aerating is: every 1-6h aeration 4-10h.
Method for treating water based on aquatic ecosystem the most according to claim 1, it is characterised in that step
Suddenly the condition of (3) described reaction is: water temperature 5-35 DEG C, pH5-9, reaction time 4-24h.
Method for treating water based on aquatic ecosystem the most according to claim 1, it is characterised in that step
Suddenly, before the water outlet of (1) imports, in described algae reactor, the quantity of algae is ten thousand/L of 500-3000.
Method for treating water based on aquatic ecosystem the most according to claim 1, it is characterised in that step
Suddenly, before the mixed liquor of (2) imports, in described algivorous insect reactor, the quantity of algivorous insect is 100-600mg/L.
Method for treating water based on aquatic ecosystem the most according to claim 1, it is characterised in that institute
Stating algae is edible algae or oil-producing algae.
8. according to the method for treating water based on aquatic ecosystem described in any one of claim 1-7, its feature
Being, the method for step (4) described separation algivorous insect is gravitational method, centrifugal process or filtration method.
9. according to the method for treating water based on aquatic ecosystem described in any one of claim 1-7, its feature
Being, described artificial wet land system includes packing layer and the emergent aquactic plant layer of stacking, and fills out described in being attached to
The microorganism of the bed of material.
10. a water treatment facilities based on aquatic ecosystem, it is characterised in that include the lattice being sequentially connected with
Grid, setting pot, support and have the algae reactor of algae, support and have algivorous insect reactor and the water depth of algivorous insect
Processing means, wherein, described setting pot is provided with agitating device；Described water depth processing means has for supporting
The ecological water treating pond of water plant, aquatic animal and microorganism, or, the worm separator being sequentially connected with and
Artificial wet land system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105399286B (en) * | 2015-12-25 | 2018-06-26 | 浙江省淡水水产研究所 | A kind of Novel cultivation water body in-situ Ecosystem restoration system |
| CN107619159A (en) * | 2017-11-07 | 2018-01-23 | 潘庆智 | A kind of method and application system of pollution administration water quality |
| CN107963776A (en) * | 2017-11-10 | 2018-04-27 | 上海曼斐电器贸易有限公司 | A kind of sewage-treatment plant |
| CN108862592A (en) * | 2018-05-31 | 2018-11-23 | 安徽美自然环境科技有限公司 | A kind of purification system for scenic spot pond eutrophication water |
| CN111072151A (en) * | 2019-12-26 | 2020-04-28 | 南大（常熟）研究院有限公司 | Water quality purification method for multi-pond running water chain surface flow constructed wetland |
| CN112777861A (en) * | 2020-12-31 | 2021-05-11 | 北京邦源环保科技股份有限公司 | Natural ecological treatment process for domestic sewage |
| CN117088573B (en) * | 2023-10-09 | 2024-02-20 | 广州弘鑫环保科技有限公司 | Sewage treatment device with aeration mechanism and treatment method |
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