CN107720967A - A kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal - Google Patents
A kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal Download PDFInfo
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- CN107720967A CN107720967A CN201710976540.7A CN201710976540A CN107720967A CN 107720967 A CN107720967 A CN 107720967A CN 201710976540 A CN201710976540 A CN 201710976540A CN 107720967 A CN107720967 A CN 107720967A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal, standard type wet land system is built by modularization wet land filler and is used for livestock and poultry cultivation sewage disposal, realizes technique hydraulic detention time and accuracy, processing cost, raising pollutant purification effect and the water body pH stability of the blocking of reduction artificial wet land system and adsorption saturation that porosity calculates.System of the present invention includes artificial swamp pond body, water-distributing device, modularization wet land filler and wetland plant, the modularization wet land filler is that portland cement, red soil, sandstone and water proportionally mix composition, and raw material weight ratio is that portland cement/red soil is 1 respectively:1‑1:5th, portland cement/sandstone are 1:4‑1:8th, portland cement/water is 0.5:1‑2:1, modularization wet land filler preparation process is dry-mixed, wet mixing, cover half, compression, the demoulding and maintenance.Preparation technology of the present invention is simple, cost is cheap, can large-scale industrial production.
Description
Technical field
The present invention relates to sewage disposal system, more particularly to a kind of modularization filler for livestock and poultry cultivation sewage disposal
Artificial wet land system.
Background technology
With the quick intensivization development of China's livestock and poultry cultivation, livestock and poultry cultivation sewage is increasingly becoming China's water body and soil ring
One of major source of border pollution, according to 2010《National first time Pollutant source investigation bulletin》, the COD of livestock and poultry breeding industry discharge
Reach 1268.26 ten thousand tons, account for the 41.9% of national COD total emission volumns；Nitrogen and phosphorus emission are 102.48 ten thousand tons and 16.04 ten thousand tons,
The 21.7% and 37.9% of national nitrogen and phosphorus total emission volumn is accounted for respectively.Therefore, the Chinese government is effectively treated as to it to close with society
The Important Problems of note.
Artificial swamp is a kind of ecological wastewater processing technique to grow up the 1970s, it be built by artificial and
Control the ground similar with marshland of operation, by sewage, the controlled dosing of sludge to the wetland through manually building, sewage
With sludge in a certain direction flow during, mainly using soil, artificial dielectric, plant, the physics of microorganism, chemistry,
The triple synergies of biology, a kind of technology handled sewage, sludge.Its mechanism of action include absorption, be detained, filtering,
Redox, precipitation, microorganism decomposition, conversion, plant masking, residue accumulated, water transpiration and Nutrient Absorption and all kinds of dynamic
The effect of thing.Artificial swamp unit is made up of plant, microorganism, filler and animal, and each constituent plays different works respectively
With, and mutually act synergistically so that whole Constructed Wetland Ecology System equilbrium running, play good purification function.At this
Wet land filler plays decisive skeleton function in a little units, and there is wet land filler first filtering, precipitation, absorption and flocculation etc. to make
With the suspension in water body effectively being removed, secondly wet land filler is that the growth of plant and microorganism and oxygen are transmitted and provided
Necessary requirement.At present, for different sewage type, many kinds of substance has been chosen for wet land filler, for example, soil, volcanic rock,
Cinder, red soil, fragment of brick, extra large oyster shell, zeolite, haydite, cobble etc..
U.S.'s natural resources protection Servers Organization（NRCS）Aquaculture wastewater processing guide is compiled and edit, it is proposed that artificial swamp
BOD5Load is 73 kg (ha d) -1, and hydraulic detention time is at least 12 d.Gulf of Mexico project（GMP）Investigate and be total at 68
The ecological treatment system of 135 different scales, about 1300 service datas are have collected, and establish breeding wastewater Ecological Disposal
Database.It is to ensure ecologic biological group and effluent quality that sufficiently pretreatment and enough Ecological Disposal areas are carried out to sewage
An important factor for.However, in actual application, the processing land used of aquaculture wastewater is generally limited, and can now pass through one
Serial Optimized Measures improve the detergent power of existing ecological process.In recent years, it is domestic also in artificial wetland purifying system processing
Some experimental studies and engineer applied are carried out in terms of livestock and poultry cultivation sewage, to fully understand purification of the sewage in ecological process
Mechanism, improves the treatment effeciency of eco-treatment technology, and current study hotspot mainly includes：（1）To the artificial of different configuration
The hydrodynamic characteristic of wet land system sewage is studied, and is inquired into hydraulic load, dwell time of sewage, the rate of output water, wetland and is held
Water volume（Porosity）And the coupled relation between wastewater purifying efficiency such as water yield, it is net to sewage to disclose hydraulics feature
Change the affecting laws of effect；（2）How research improves its denitrification energy while ecological process oxidation, nitrification ability is improved
Power, to solve the problems, such as organic matter removal synchronous with total nitrogen；（3）Further investigate the distribution and not of dissolved oxygen in artificial wet land system
Influence of the oxygen carrying capacity of same type plant to microhabital in packing layer, and the screening of high-performance dephosphorization filler are ground with characteristic
Study carefully；（4）Study various artificial wetland process improving technologies, application of the further investigation ecological process technology in special water processing
Characteristic present etc..
Artificial wet land system exposes some technical problems, main body in livestock and poultry cultivation advanced treatment of wastewater application process
Present livestock and poultry cultivation Man-made wetland processing system structure design need standardization and normalization with operation, and filler is reasonable
Configuration mode turns into the Important Problems wherein paid close attention to.It is presently used for filling out for the artificial wet land system of livestock and poultry cultivation sewage disposal
Material configuration relies primarily on different kind of material and manually accumulates realization, is just omited by packing material size and filler porosity simulation test
Filler accumulation mode is controlled, therefore can not standardize realize filler configuration validity in such a mode, and livestock breeding wastewater
In compared with high suspended matter content can also propose test to traditional type Wetland clogging and adsorption saturation situation, once occur to block and inhale
Attached saturated conditions can not accurately judge to block and saturation place, and because the implementation for accumulating configuration mode can not be realized to wetland
Effective quick cleaning of system, can only be solved by large area replacement, be wasted time and energy.Therefore, it is as wet in can be achieved
Ground filler standard modular configuration, can effectively solve the above problems.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of modularization filler wetland for livestock and poultry cultivation sewage disposal
System.
For the above-mentioned purpose, a kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal of the invention, it is described
System includes artificial swamp pond body, water-distributing device, modularization wet land filler and wetland plant.The livestock and poultry cultivation sewage is natural pond
Liquid, the water outlet of chemical treatment technology, biological processing unit or film process facility.
Wherein described livestock and poultry cultivation COD of sewage content is 100-2000mg/L, ammonia-nitrogen content 10-300mg/L, and total nitrogen is
30-500mg/L, total phosphorus content 5-40mg/L.
Wherein described artificial swamp pond body is mixed brick, sheet material, steel or three's arbitrary proportion mixing structure, and pond body front end is set
Put cloth pond.
Wherein described water-distributing device includes suspension Screening Network and perforated pipe.
Wherein described modularization wet land filler is that portland cement, red soil, sandstone and water proportionally mix composition.
Wherein described wetland plant is the mixed plant group of reed, hybrid Chinese pennisetum, water spinach or three's arbitrary proportion.
The structure and operation method of a kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal, including it is following
Step：
Using brick is mixed, the wetland pond body of sheet material, steel or three's arbitrary proportion mixing structure as device, transported with batch (-type) or continuous stream
Line mode is carried out, and for water outlet height less than water inlet open height 1%-20%, cloth pond occupies wetland pond body cumulative volume 1%-10%, water distribution
Bottom of pond portion sets mud discharging mouth.
The suspension Screening Network of water-distributing device is arranged in cloth pond, and its height is in height position between water inlet and delivery port
Put, be divided into two layers of arrangement, first layer suspension screening screen distance is 0.6-2 mm, and second layer suspension screening screen distance is 0.2-
0.6 mm；Cloth pond is connected with wetland sewage disposal pond body by the perforated pipe of water-distributing device, and perforated pipe is arranged at packing layer
Inside, length are the 0.1%-30% of wetland sewage disposal pond body.
Modularization wet land filler used in wetland is that portland cement, red soil, sandstone and water are proportionally mixed with composition,
The part by weight of all feedstock silicate cement and red soil is 1 before preparation:1-1:5th, the part by weight of portland cement and sandstone
For 1:4-1:8th, the part by weight of portland cement and water is 0.5:1-2:1；Modularization wet land filler, which prepares mould and should ensure that, to be filled out
Material porosity is 10%-80%, and modularization wet land filler both sides should be permeability, and modularization wet land filler is shaped as square or cylinder
Shape；
Prepared by modularization wet land filler carries out dry-mixed, dry-mixed 1- by portland cement, red soil and sandstone according to predetermined ratio first
60 minutes until mixed fillers quality single-size disperses；The water of predetermined ratio is added in mixed fillers afterwards and carries out wet mixing
1-60 minutes, until mixed fillers humidity is uniform, quality is consistent, uniform particle sizes and scattered and the good mixed fillers of wet mixing are quiet
Set to 0 .1-10 hours；The mixed fillers addition stood is prepared in mould afterwards and shaped；Finally, made above-mentioned
Wet land filler is stripped, and the place that the mixed fillers after the demoulding are placed on aeration-drying is conserved, and maintenance is after 1-28 days
Modularization wet land filler can be obtained.
After the completion of prepared by modularization wet land filler, wetland pond is arranged according to modularization wet land filler permeability direction
In vivo, modularization wet land filler permeability direction is parallel or vertical with water (flow) direction.
Wetland plant is reed, hybrid Chinese pennisetum, the mixed plant group of water spinach or three's arbitrary proportion, wetland plant
Root length need to be 5-20 cm during plantation, and wetland plant is planted between modularization wet land filler or among internal void.
After modularization filler wet land system is built, dipping pretreatment need to be carried out 1-10 days with culture solution, the training
It is river, lake water, sewage or the aqueous solution of three's arbitrary proportion mixing to support solution；After pretreatment, modularization filler wet land system
Available for livestock and poultry cultivation sewage disposal, the control of artificial wet land system hydraulic load is 1-50 cm/ days.
The invention difference from existing technology is that the present invention achieves following technique effect：
1st, the standard modular design construction of artificial wet land system is realized, the hole of artificial swamp can be accurately formulated according to actual conditions
Gap rate, so as to accurately manipulate the hydraulic detention time of artificial swamp, the problems such as avoiding the short stream of prior art generally existing pair
The interference of system manipulation；
2nd, accurate judgement artificial swamp problem points position, reduce artificial wet land system block and adsorption saturation processing cost and when
Between；
3rd, metal ion distributing homogeneity in modularization wet land filler can be achieved, and then improving wet land filler to soil phosphorus levels
While efficiency, ensure that follow-up tail water pH levels reach water quality discharge standard；
4th, the chemical attribute based on red soil and cement brick, it is possible to provide artificial wet land system is to all kinds of antibiosis in livestock and poultry cultivation sewage
The removal effect of element；
It is expected to provide a kind of new ant algorithms for helotism by the implementation achievement of this patent in a word, is returned in sewage purification and resource
Debit face has certain Research Significance.
The invention will be further described below in conjunction with the accompanying drawings.
The technical problem to be solved in the present invention is to provide a kind of modularization filler wetland for livestock and poultry cultivation sewage disposal
System.
For the above-mentioned purpose, a kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal of the invention, it is described
System includes artificial swamp pond body, water-distributing device, modularization wet land filler and wetland plant.The livestock and poultry cultivation sewage is natural pond
Liquid, the water outlet of chemical treatment technology, biological processing unit or film process facility.
Wherein described livestock and poultry cultivation COD of sewage content is 100-2000mg/L, ammonia-nitrogen content 10-300mg/L, and total nitrogen is
30-500mg/L, total phosphorus content 5-40mg/L.
Wherein described artificial swamp pond body is mixed brick, sheet material, steel or three's arbitrary proportion mixing structure, and pond body front end is set
Put cloth pond.
Wherein described water-distributing device includes suspension Screening Network and perforated pipe.
Wherein described modularization wet land filler is that portland cement, red soil, sandstone and water proportionally mix composition.
Wherein described wetland plant is the mixed plant group of reed, hybrid Chinese pennisetum, water spinach or three's arbitrary proportion.
The structure and operation method of a kind of modularization filler wet land system for livestock and poultry cultivation sewage disposal, including it is following
Step：
Using brick is mixed, the wetland pond body of sheet material, steel or three's arbitrary proportion mixing structure as device, transported with batch (-type) or continuous stream
Line mode is carried out, and for water outlet height less than water inlet open height 1%-20%, cloth pond occupies wetland pond body cumulative volume 1%-10%, water distribution
Bottom of pond portion sets mud discharging mouth.
The suspension Screening Network of water-distributing device is arranged in cloth pond, and its height is in height position between water inlet and delivery port
Put, be divided into two layers of arrangement, first layer suspension screening screen distance is 0.6-2 mm, and second layer suspension screening screen distance is 0.2-
0.6 mm；Cloth pond is connected with wetland sewage disposal pond body by the perforated pipe of water-distributing device, and perforated pipe is arranged at packing layer
Inside, length are the 0.1%-30% of wetland sewage disposal pond body.
Modularization wet land filler used in wetland is that portland cement, red soil, sandstone and water are proportionally mixed with composition,
The part by weight of all feedstock silicate cement and red soil is 1 before preparation:1-1:5th, the part by weight of portland cement and sandstone
For 1:4-1:8th, the part by weight of portland cement and water is 0.5:1-2:1；Modularization wet land filler, which prepares mould and should ensure that, to be filled out
Material porosity is 10%-80%, and modularization wet land filler both sides should be permeability, and modularization wet land filler is shaped as square or cylinder
Shape；
Prepared by modularization wet land filler carries out dry-mixed, dry-mixed 1- by portland cement, red soil and sandstone according to predetermined ratio first
60 minutes until mixed fillers quality single-size disperses；The water of predetermined ratio is added in mixed fillers afterwards and carries out wet mixing
1-60 minutes, until mixed fillers humidity is uniform, quality is consistent, uniform particle sizes and scattered and the good mixed fillers of wet mixing are quiet
Set to 0 .1-10 hours；The mixed fillers addition stood is prepared in mould afterwards and shaped；Finally, made above-mentioned
Wet land filler is stripped, and the place that the mixed fillers after the demoulding are placed on aeration-drying is conserved, and maintenance is after 1-28 days
Modularization wet land filler can be obtained.
After the completion of prepared by modularization wet land filler, wetland pond is arranged according to modularization wet land filler permeability direction
In vivo, modularization wet land filler permeability direction is parallel or vertical with water (flow) direction.
Wetland plant is reed, hybrid Chinese pennisetum, the mixed plant group of water spinach or three's arbitrary proportion, wetland plant
Root length need to be 5-20 cm during plantation, and wetland plant is planted between modularization wet land filler or among internal void.
After modularization filler wet land system is built, dipping pretreatment need to be carried out 1-10 days with culture solution, the training
It is river, lake water, sewage or the aqueous solution of three's arbitrary proportion mixing to support solution；After pretreatment, modularization filler wet land system
Available for livestock and poultry cultivation sewage disposal, the control of artificial wet land system hydraulic load is 1-50 cm/ days.
The invention difference from existing technology is that the present invention achieves following technique effect：
1st, the standard modular design construction of artificial wet land system is realized, the hole of artificial swamp can be accurately formulated according to actual conditions
Gap rate, so as to accurately manipulate the hydraulic detention time of artificial swamp, the problems such as avoiding the short stream of prior art generally existing pair
The interference of system manipulation；
2nd, accurate judgement artificial swamp problem points position, reduce artificial wet land system block and adsorption saturation processing cost and when
Between；
3rd, metal ion distributing homogeneity in modularization wet land filler can be achieved, and then improving wet land filler to soil phosphorus levels
While efficiency, ensure that follow-up tail water pH levels reach water quality discharge standard；
4th, the chemical attribute based on red soil and cement brick, it is possible to provide artificial wet land system is to all kinds of antibiosis in livestock and poultry cultivation sewage
The removal effect of element；
It is expected to provide a kind of new ant algorithms for helotism by the implementation achievement of this patent in a word, is returned in sewage purification and resource
Debit face has certain Research Significance.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of present system；
Fig. 2 is modularization wet land filler picture.
Embodiment
With reference to embodiments, the forgoing and additional technical features and advantages are described in more detail.
Implement based on modularization wet land filler.A kind of apllied mould for livestock and poultry cultivation sewage disposal of this patent
Block filler wet land system can be used for the purified treatment of various livestock and poultry cultivation sewage（It is dirty including pig-breeding sewage, milk cattle cultivating
Water and broiler breeding sewage etc.）, useless Organic substance in water, nitrogen and phosphorous nutrient, heavy metal, persistent organism are removed available for effective
（Such as antibiotic and estrogen）And pathogenic microorganisms.The COD contents that the system is adapted to handle waste water are 100-2000mg/L, ammonia
Nitrogen content is 10-300mg/L, total nitrogen 30-500mg/L, total phosphorus content 5-40mg/L.
The system startup mixes with operation using brick, sheet material, steel or three's arbitrary proportion mix the wetland pond body of structure as dress
Put, wetland pond body length-width ratio is 8/1-1/1, and wetland pond body is highly 0.3-2 m, and cloth basin bottom gradient is 1%-10%, wetland
Reaction pond body bottom gradient is 1%-2%, and pond body bottom is added by material or soil property compacting carries out permeation-proof processing.
Suspension Screening Network is arranged in cloth pond, is fixed on using coupling type mode in the pond body of cloth pond periphery, when outstanding
When the water passing rate of float Screening Network reduces 20%-60%, it can be disassembled and be cleared up；Uniform pore diameter point on water distribution perforated pipe
Cloth, pore size are set as 0.5-5 cm, and the effective screen cloth of wet land filler layer middle punch is wrapped up, in case plant residue is detained it
In, parcel net cloth aperture is 1-5 cm.
Modularization wet land filler preparing raw material part by weight used in wetland is that portland cement/red soil is 1 respectively:1-1:5、
Portland cement/sandstone are 1:4-1:8th, portland cement/water is 0.5:1-2:1.Modularization wet land filler prepares mould use
Steel, sheet material, lucite or three's arbitrary proportion are made, and have column solid structure in mould, filler preparing raw material can
It is mixed therebetween, so as to when be stripped after realize that there is preferable porosity and hole distributed effect in modularization filler.
Modularization wet land filler will sieve to material in advance when preparing, and ensure that all red soil and sandstone particle diameters are less than 1
Cm, portland cement use running water without block calculus, wet mixing water or meet the recycle-water of 3 class earth's surface water quality standards；Silicate
Cement, red soil and sandstone proportionally carry out first it is dry-mixed, afterwards add wet mixing be stirred with water；Above-mentioned mixed fillers
Need to stand 0.1-10h after stirring, afterwards prepare the mixed fillers addition stood in mould, and by the mixing in mould
Filler is compacted by manually or mechanically mode（Pressure is 1-5 kilograms）, after mixed fillers volume compression in mould again
Mixed fillers are added into mould, until mixed fillers are full of mould；Mechanical pressure device is used afterwards（Pressure is 10-100 public
Jin）Filler in mould is extruded, mixed fillers are continuously added when the mixed fillers in mould compress again, is added every time
The intensity of pressure increases 1%-20% after complete filler, stops extruding when the intensity of pressure reaches 100 kilograms；Stereotyped wet land filler exists
It is stripped after standing 1-24 hours, the place that the mixed fillers after the demoulding are placed on aeration-drying is conserved, and conserves place
Temperature is 10-40 DEG C, humidity 10-50%, curing time are 1-28 days；It is modularization wetland that filler is obtained after maintenance
Filler.
After the completion of prepared by modularization wet land filler, wetland pond is arranged according to modularization wet land filler permeability direction
In vivo, wet land filler layer top plantation wetland plant, wetland plant planting density is 0-3 strains/m2。
After modularization filler wet land system is built, dipping pretreatment need to be carried out 1-10 days with culture solution, the training
It is river, lake water, sewage or the aqueous solution of three's arbitrary proportion mixing to support solution, and nutrient solution concentration is that COD contents are less than
400mg/L, ammonia-nitrogen content are less than 20mg/L, and total nitrogen content is less than 30mg/L, and total phosphorus content is less than 5mg/L；After pretreatment, module
Change filler wet land system and can be used for livestock and poultry cultivation sewage disposal, it is 1-50 cm/ days that wetland hydraulic load, which controls, during hydraulic retention
Between control be 4-25 days, wetland plant harvesting frequency control be the 1-2 times/moon.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (5)
- A kind of 1. modularization filler wet land system for livestock and poultry cultivation sewage disposal, it is characterised in that：The system includes people Work wetland pond body, water-distributing device, modularization wet land filler and wetland plant, the modularization wet land filler be portland cement, Red soil, sandstone and water proportionally mix composition, and red soil and sandstone particle diameter are less than 1 cm, and water is running water or meets 3 class earth's surfaces The recycle-water of water quality standard.
- 2. the modularization filler wet land system according to claim 1 for livestock and poultry cultivation sewage disposal, it is characterised in that： The preparing raw material part by weight of the modularization wet land filler is that portland cement/red soil is 1 respectively:1-1:5th, silicate cement Mud/sandstone are 1:4-1:8th, portland cement/water is 0.5:1-2:1.
- 3. the modularization filler wet land system of the livestock and poultry cultivation sewage disposal according to any one of claim 1-2, it is special Sign is：In the preparation process of the modularization wet land filler, the mixed fillers after wet mixing need to stand 0.1-10 hours, and mixing is filled out Expect that into mold compression machinery pressure be 10-100 kilograms, wet land filler need to stand 1-24 hours after compression, and filler conserves the temperature in place Degree and humidity are respectively 10-40 DEG C and 10-50%.
- 4. the modularization filler wet land system of the livestock and poultry cultivation sewage disposal according to any one of claim 1-2, it is special Sign is：The porosity of the modularization wet land filler is 10%-80%, and modularization wet land filler is the penetrating square or circle in both sides Cylindricality.
- 5. the modularization filler wet land system according to claim 1 for livestock and poultry cultivation sewage disposal, it is characterised in that： After the modularization filler wet land system structure, dipping pretreatment need to be carried out 1-10 days with culture solution, the culture is molten Liquid is river, lake water, sewage or the aqueous solution of three's arbitrary proportion mixing, and COD contents are less than 400mg/L, ammonia in culture solution Nitrogen content is less than 20mg/L, total nitrogen content is less than 30mg/L, total phosphorus content is less than 5mg/L.
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| CN201710976540.7A CN107720967B (en) | 2017-10-19 | 2017-10-19 | Modular filler wetland system for livestock and poultry breeding sewage treatment |
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| CN201710976540.7A CN107720967B (en) | 2017-10-19 | 2017-10-19 | Modular filler wetland system for livestock and poultry breeding sewage treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108706742A (en) * | 2018-08-08 | 2018-10-26 | 中国科学院城市环境研究所 | A kind of Anammox type wet land system for high nitrogen sewage disposal |
| CN108892248A (en) * | 2018-08-16 | 2018-11-27 | 湖北鄂美环保科技有限公司 | A kind of sewage treatment filler and preparation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765804A (en) * | 2012-07-05 | 2012-11-07 | 华南师范大学 | Constructed wetland sewage treatment method based on modularized built-in gap filler |
| CN103332791A (en) * | 2013-07-11 | 2013-10-02 | 中国科学院城市环境研究所 | Artificial wetland capable of strongly removing antibiotic and resistance gene from culture waste water |
-
2017
- 2017-10-19 CN CN201710976540.7A patent/CN107720967B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765804A (en) * | 2012-07-05 | 2012-11-07 | 华南师范大学 | Constructed wetland sewage treatment method based on modularized built-in gap filler |
| CN103332791A (en) * | 2013-07-11 | 2013-10-02 | 中国科学院城市环境研究所 | Artificial wetland capable of strongly removing antibiotic and resistance gene from culture waste water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108706742A (en) * | 2018-08-08 | 2018-10-26 | 中国科学院城市环境研究所 | A kind of Anammox type wet land system for high nitrogen sewage disposal |
| CN108892248A (en) * | 2018-08-16 | 2018-11-27 | 湖北鄂美环保科技有限公司 | A kind of sewage treatment filler and preparation method |
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| Publication number | Publication date |
|---|---|
| CN107720967B (en) | 2020-07-14 |
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