CN102826657B - Carbon fiber wetland type ecological floating bed and arrangement method thereof - Google Patents
Carbon fiber wetland type ecological floating bed and arrangement method thereof Download PDFInfo
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- CN102826657B CN102826657B CN201210308945.0A CN201210308945A CN102826657B CN 102826657 B CN102826657 B CN 102826657B CN 201210308945 A CN201210308945 A CN 201210308945A CN 102826657 B CN102826657 B CN 102826657B
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Abstract
The invention relates to a carbon fiber wetland type ecological floating bed and an arrangement method thereof, belonging to the field of sewage treatment. The carbon fiber wetland type ecological floating bed comprises a bed body, a biological carbon fiber material, floating bed plants and a wetland tank, wherein the wetland tank is arranged in the bed body; the interior of the wetland tank is filled with a porous light-weight artificial wetland filler; the floating bed plants are planted in the middle of the filler; and the biological carbon fiber material is hung on a suspension rod at the bottom of the wetland tank. According to the carbon fiber wetland type ecological floating bed, the processes of the ecological floating bed, bio-contact oxidation and the artificial wetland are reasonably combined to ensure that sewage is firstly subjected to bio-contact oxidation to degrade most pollutants, then the sewage is intercepted and further degraded through the wetland structure, and finally, through the absorption effect of plant roots, the quality of the sewage is better improve; and meanwhile, the reasonable layout of plants can be used for achieving the purposes of beautifying the environment, improving the ecological diversity and promoting the degradation effect on the pollutants of the whole floating bed system.
Description
Technical field
The present invention relates to the biological floating bed and method to set up of a kind of carbon fiber wet land type, belong to sewage treatment area.
Background technology
Biological floating bed technology is application cultivation technique without soil, the terrestrial plant of waterplant or improvement domestication is transplanted to and swims in the water surface and can bear on the carrier that the materials such as greater weight bamboo, foamed polystyrene board make, go deep into powerful Root Absorption in water, adsorb, hold back the technology of the nutritive substances such as the nitrogen phosphorus in water body by plant, pollutent in the microbiological deterioration water body that root system of plant adheres to simultaneously, and moved away from water body with the form of results plant materials, thereby reaching the object purifying water, is a kind of effective original position ecological reestablishment.
At the initial stage in 20th century, floating bed technology starts to rise and be used as the spawning place of Studies on Avian Habitat and fish.In the eighties in 20th century, the scholar of Germany has designed the biological floating bed of this modern times, and is applied to first purifying contaminated water body afterwards.Until after nineteen ninety-five international lake Meeting Held, this technology further approved, and is promoted and applies in the developed country such as Japanese, American-European rapidly.
China is the biological floating bed technology of having introduced in 1991, now, has been widely used in the improvement of the different polluted-waters such as lake, reservoir, city river.Now, worldwide, biological floating bed technology has become an important Water quality restoration technology, and is successfully applied in the restoration of the ecosystem in many lakes, river, ecological training works.For example, in the prosperous garden, Nanjing of China, Wuxi Wu Lihu, Beijing Shichahai, the polluted waters in multiple places such as the Yongdinghe River has all carried out biological floating bed ecological engineering, result demonstration, and this technology has good decontamination effect improving to water body, TN, TP all can reduce by 50%, water transparency is improved, and algae density reduces, and in water body, dissolved oxygen increases.In particular, utilize river course, incity, biological floating bed technology governance city in Shanghai City, not only effectively eliminated water body black smelly phenomenon, controlled the crisis of algal bloom, and beautified The Surroundings in Cities.
Biological floating bed principal feature: biological floating bed is a kind of original position ecological reestablishment, is generally applicable to the water body that river, lake and reservoir etc. can only original position purify; It is mainly to utilize self metabolism of the microorganism that adheres on sorption to Eutrophication materials in water body of plant in floating bed and the flourishing root system of plant to carry out decomposing pollutant, thereby realizes dirty water purification; Secondly, this is a kind of improvement technology of pure biology, can not produce mud etc., does not have secondary pollution problem; Again, the application of this technology can increase the species diversity in water body, makes to suffer the water ecosystem recover the original ecological balance of ecological damage; Finally, the effect that this technology can also play view and beautify the environment, wherein, can have certain economic benefit if planted economic crops; Generally speaking, this technology has low investment, the advantage of low power consuming.
But, in biological floating bed practice process, also there are some problems: first, we know that the receptivity of floating bed plant root is limited, on floating bed plant root system, microbial biomass and kind are also limited, for the water body of heavy contamination, cause this traditional floating bed art breading effect limited.In addition, the specific surface area of floating bed plant stalk system is limited, for microorganism provide to perch area also limited.Present stage, the capacity of anti-storm of floating bed a little less than, bed body firm not.The reliability of technology and stability are not also very high.Though the floating bed technical finesse effect of present stage is better, length consuming time, is difficult to meet some ageing processing projects of having relatively high expectations.Along with greatly developing of the treatment process of various sanitary sewage trade effluents, the technology and the technique that are applicable in a large number the processing of life production waste are developed, but, the present stage pollution problem of surface water of China is more and more serious, the improvement of river, lake reservoir water body has more and more caused the attention of country and government, purification techniques how to develop effective surface water body has become researchist's new problem, also more and more comes into one's own.
Summary of the invention
The present invention aims to provide the biological floating bed and method to set up of a kind of novel carbon fiber wet land type, limited to improve the detergent power of traditional floating bed, the present situation of length consuming time.
Technical scheme of the present invention is as follows:
A kind of carbon fiber wet land type is biological floating bed, comprises a body, biological carbon filamentary material, floating bed plant and wetland groove; Described wetland groove is arranged on a body inside, and protrudes from a body bottom; The solid porous light Performance of Constructed Wetlands Substrates of described wetland groove; Filler among is implanted with floating bed plant, and floating bed plant root system is covered with whole wetland groove inside, forms reticulated structure; Described biological carbon filamentary material is suspended in the hanger bar of described wetland trench bottom.
Further, described bed body is PVC foam bed body.
Further, described wetland groove comprises wetland groove support bar, wetland groove framework, nylon rope net, hanger bar, suppending hole and suspension strop; Described wetland groove support bar, wetland groove framework adopt lightweight water-resistant material bamboo chip, and wetland groove support bar is supported on whole wetland groove on floating bed bed body; Described wetland groove framework is connected with the wetland groove support bar on top, is arranged at wetland groove support bar bottom, and described nylon rope net is fixed on outside wetland groove framework, and wetland trench bottom is provided with hanger bar, is provided with suppending hole in hanger bar, is provided with suspension strop in suppending hole.
Further, described biological carbon filamentary material is ecological carbon-fibre composite or biological carbon fiber water treatment filler.Wherein, described ecological carbon-fibre composite comprises sandwich layer and skin, and sandwich layer is greater than 1300m by specific surface area
2the bio-active carbon fibre of/g forms, and skin is made up of the eyelet fabric of polypropylene fiber, and skin is wrapped in the periphery of sandwich layer.Further, described ecological carbon-fibre composite also comprises the ring-type looped pile portion being evenly arranged on skin, and described ring-type looped pile portion is composited by polypropylene fiber and polyster fibre.Described biological carbon fiber water treatment filler has biocompatibility, is pencil or discoid, is vertically placed in water, has aquatic-weed-shaped ecologic structure, can wave with mobile water body.
Further, in the wet land filler of described wetland groove inside, added microbiobacterial agent, described microbiobacterial agent is by multiple composition the in photosynthetic bacterium, yeast, bud pole bacterium, nitrobacteria, denitrifying bacterium.
Further, described floating bed plant is emergent, comprises yellow flag, cattail, reed, Scirpus tabernaemontani or Spiked Loosestrife; Or described floating bed plant is economic class vegetable crop; Or described floating bed plant is more than one the arbitrary combination of viewing and admiring class flowers and plants.
Whole bed body can provide whole buoyancy of structure in floating bed, can make whole floating bed float on the water surface, and floating bed size and carbon fiber length can be according to waterhead area situation by artificial control and changes.
The biological floating bed method to set up of above-mentioned carbon fiber wet land type, comprises the steps:
Step 1: first by the wet land filler of the solid porous light of wetland groove, and described floating bed plant is cultivated in the wet land filler of wetland groove inside;
Step 2: described biological carbon filamentary material on demand density be suspended on the aperture of wetland trench bottom hanger bar;
Step 3: add microbiobacterial agent between the wet land filler of wetland groove inside;
Step 4: the wetland groove that installs wet land filler, floating bed plant and hang up properly biological carbon filamentary material is put into PVC foam bed body, and will couple together with rope or iron wire between each floating bed;
Step 5: the floating bed coupling together in step 4 is put in micropollutant water, adds microbiobacterial agent in the water body around floating bed.
Wherein, all floating beds that couple together cover the 30%-50% of described water body water surface area.
Beneficial effect
Carbon fiber wet land type provided by the present invention is biological floating bed, biological floating bed, bio-contact oxidation and artificial wetland process are reasonably combined, make sewage first make most of contaminant degradation through bio-contact oxidation, holding back and further degraded through wetland structure again, last sorption of passing through again plant root, finally makes sewage quality well be improved.Meanwhile, the reasonable Arrangement of plant can be beautified the environment, and improves ecological diversity, promotes the effect of falling of whole floating bed system.
The ecological carbon-fibre composite of floating bed structure provided by the present invention below, by being greater than 1300m by specific surface area
2the bio-active carbon fibre of/g is as sandwich layer, makes this biological carbon filamentary material have that specific surface area is large, pore size distribution is reasonable, the feature that adsorptivity is high, after filamentary material biofilm to the clearance of CODcr more than 80%, the effect of ammonia nitrogen removal frank more than 60%.
In addition, the ecological carbon-fibre composite providing in the present invention is by carrying out surface-active-treatment to bio-active carbon fibre, make it have excellent biocompatibility, not only by the adsorption purifying water body of self, and can attract fast microorganism species, form active biological film on its surface, these microorganisms are take organic pollutant as energy derive, by the organic pollutant in the metabolism degraded water body of self.Can effectively improve the treatment effect of floating bed to sewage, greatly shorten the time of Water quality restoration.
Ecological carbon-fibre composite provided by the present invention is by being greater than 1300m by specific surface area
2the bio-active carbon fibre of/g is as sandwich layer, and at sandwich layer arranged outside polypropylene fiber eyelet fabric to play enhancement, specific surface area is large, pore size distribution is reasonable having to make this ecological carbon-fibre composite, when the high advantage of adsorptivity, there is higher intensity, so sturdy and durable, be convenient to clean and maintenance, mud is received in difficult Tibetan, has reduced replacing number of times, has extended work-ing life.
Ecological carbon-fibre composite provided by the present invention has interception function by ring-type looped pile portion is set at skin to the microorganism in sewage and organic pollutant, be conducive to bio-active carbon fibre absorption microorganism species and organic pollutant, the ring-type looped pile self being made up of polypropylene fiber and polyster fibre also has biofilm effect simultaneously, form microbial film, the organic pollutant of degrading in water body by metabolism on its surface.
In addition, another kind of floating bed water treatment filler (being biological carbon the filamentary material)-high strength biological carbon fiber water treatment filler providing in the present invention, because specific surface area is large, high-strength carbon fiber becomes the high strength biological carbon fiber with excellent biocompatibility after surface treatment, not only by the adsorption purifying water body of self, and can attract fast microorganism species, form active biological film on its surface, these microorganisms are take organic pollutant as energy derive, by the organic pollutant in the metabolism degraded water body of self.
This kind of high strength biological carbon fiber water treatment filler has aquatic-weed-shaped biomimetic features, and very thin (5-7 micron) of diameter, successfully solved in current sewage purification and wastewater treatment process microorganism colonization biofilm speed slow, easily rot, easily hide receive mud, be difficult for that cleaning and regeneration, work-ing life are short, sluggish flow between filler, sluicing power are little, filler material easily stops up and often replacing of needs, the shortcomings such as structures maintenance difficult, have very high economic benefit.
The tensile strength of high strength biological carbon fiber is 3.5-4.9GPa, and tensile modulus is 220-240GPa, makes filler have very high intensity, sturdy and durable, is convenient to clean and maintenance, and mud is received in difficult Tibetan, changes number of times few, long service life.
High strength biological carbon fiber water treatment filler is made ribbon and is used, and is vertically placed in water, forms aquatic-weed-shaped biomimetic features, wave with mobile water body, and the waving of similar pasture and water, sphere of action is large, and water treatment successful strengthens.
High strength biological carbon fiber in the present invention is except having absorb polluted matter and bio-film colonization effect, and there is very high intensity, pencil or discoid high strength biological carbon fibrous packing form aquatic-weed-shaped biomimetic features, microorganism in sewage and organic pollutant are had to interception function, be conducive to biological carbon fibers adsorption microorganism species and organic pollutant, the organic pollutant of degrading in water body by metabolism.
Wetland groove provided by the present invention, that traditional floating bed and biological catalytic oxidation are combined, play the key structure of the effect of forming a connecting link, the Performance of Constructed Wetlands Substrates of interior filling, adopts the filler of many spaces bigger serface high biological activity, there is high-moisture-retention, effectively enriched microorganism, acts on plant with being, can also play the effect of fixing plant simultaneously, in addition, the feature of the lightweight of this filler also makes floating bed be easier to swim on the water surface.The growing environment that the inner many spaces anaerobic environment forming of wetland groove can provide for anerobe, contributes to the carrying out of nitration denitrification, finally can improve the efficiency of denitrogenation dephosphorizing.The use of wetland groove, can completely contact the root system of plant with water body, greatly improved decontamination effect improving.Meanwhile, can also there is the landscape function of beautifying the environment by the proportioning plantation of different plants, in purifying waste water, also beautify environment.
Carbon fiber wet land type provided by the present invention is biological floating bed, after using, has greatly improved speed and the effect of purification of water quality in micropollutant water.Multiple hold back, degraded and the chemical adsorption of microbial film remove CODcr, ammonia nitrogen and total phosphorus to a great extent in the short period, meanwhile, the root system of waterplant can be secreted the algal control factor, organizes the photosynthesis of algae, can effectively suppress the amount of algae in water body.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic enforcement of the present invention and explanation thereof are used for explaining the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the biological floating bed side-view of carbon fiber wet land type of the present invention;
Fig. 2 is the biological floating bed vertical view of carbon fiber wet land type of the present invention;
Fig. 3 is wetland groove structural representation of the present invention.
In figure, 1-floating bed plant, 2-bed body, 3-wetland groove, 4-hanger bar, 5-biological carbon filamentary material, 6-wet land filler, 7-wetland groove support bar, 8-wetland groove framework, 9-nylon rope net, 10-suppending hole; 11-suspension strop.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in embodiments of the invention is described in detail, but following embodiment and accompanying drawing are only for understanding the present invention, and can not limit the present invention, the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
In order to improve the problem of long action time in existing biological floating bed technique, improve biological floating bed treatment effect and shorten action time, research staff is studied from the aspect such as structure and material from biological floating bed.In order to take into account biological floating bed running cost and the characteristic of the floating water surface, structure and the material of research staff to floating bed is studied, by adopting the material of some high strength, anti-pollution, high biological activity and lightweight, improve the processing efficiency of floating bed, reduce cost.
As shown in Figure 1, in the typical embodiment of one of the present invention, provide a kind of carbon fiber wet land type biological floating bed, this carbon fiber wet land type is biological floating bed comprises that floating bed plant 1, bed body 2, wetland groove 3, hanger bar 4 and biological carbon filamentary material 5(specifically can be ecological carbon-fibre composite or biological carbon fiber water treatment filler).Wetland groove 3 is positioned at the inside of a body 2, and hanger bar 4 is positioned at the bottom of wetland groove 3, and biological carbon filamentary material 5 hangs in hanger bar 4.
As shown in Figure 2, bed body 2 inside are provided with 4 wetland grooves 3.The inner planting floating bed plant 1 of wetland groove 3, the root system of plant prosperity can spread all between the filler of whole wetland groove 3 inside, forms the reticulated structure of holding back with individual microorganism enrichment and physics.Floating bed plant 1 is emergent, comprises yellow flag, cattail, reed, Scirpus tabernaemontani or Spiked Loosestrife; Or described floating bed plant 1 is economic class vegetables; Or described floating bed plant 1 is for viewing and admiring more than one the arbitrary combination of class flowers and plants.
As shown in Figure 3, wetland groove 3 structures comprise wetland groove support bar 7, wetland groove framework 8, nylon rope net 9, hanger bar 4, suppending hole 10 and suspension strop 11.
Wherein wetland groove support bar 7, wetland groove framework 8 adopt lightweight water-resistant material bamboo chip, and wetland groove support bar 7 can be supported on whole wetland groove on floating bed PVC foam bed body.
Nylon rope net 9 is fixed on outside wetland groove framework 8, guarantees that wet land filler 6 can concentrate on wetland groove 3 inside, increases wet land filler 6 and the root system of plant contact area with water body simultaneously.
Hanger bar 4 adopts wider lightweight water-resistant material bamboo chip, is fixed on wetland groove 3 belows, has suppending hole 10 in hanger bar 4, and quantity is by the filler of required suspension, and the density of biological carbon filamentary material 5 is determined.On each suppending hole 10, be to have suspension strop 11, for the biological carbon filamentary material 5 of fixing wetland groove 3 belows.
What the wetland groove 3 of the floating bed inside adopting in the present invention adopted is the cancellated rectangular parallelepiped groove of lightweight water-resistant material bamboo chip and nylon rope net 9.The porous wet land filler 6 of solid lightweight, can hold back on the one hand, enriched microorganism, thereby degraded water pollutant.Also play on the other hand the effect of fixing plant.
The wet land filler 6 adopting in the present invention adopts the wet land filler of lightweight, and the weight in water can be ignored substantially, and this kind of packing density is little, many spaces, water-retentivity is strong, has high biological property and large specific surface area, can play the effect of absorption and microorganism enrichment and degradation of organic substances simultaneously.
The ecological carbon-fibre composite adopting in the present invention comprises: sandwich layer, formed by bio-active carbon fibre, and the specific surface area of this bio-active carbon fibre is greater than 1300m
2/ g; Skin, is made up of polypropylene fiber eyelet fabric, and skin is wrapped in the periphery of sandwich layer.
Further, above-mentioned ecological carbon-fibre composite also comprises the ring-type looped pile portion being arranged on equably on skin, and this ring-type looped pile portion is composited by polypropylene fiber and polyster fibre.
Further, above-mentioned bio-active carbon fibre is: the polyacrylonitrile-radical bio-active carbon fibre felt that thickness is 0.5～5mm; Thickness is the viscose glue based bioactive carbon fiber felt of 0.5～5mm; Or the asphaltic base bio-active carbon fibre of being prepared by blowing process, the polypropylene fiber silk braiding that the eyelet fabric of above-mentioned polypropylene fiber is 200D～500D by diameter forms; And polypropylene fiber silk and the braiding of polyster fibre silk that above-mentioned ring-type looped pile portion is 150D～600D by diameter form.
The another kind of water-treatment biological carbon fibre material 5 adopting in the present invention is biological carbon fiber water treatment fillers.
Preferably, above-mentioned biological carbon fiber water processing packing biological carbon fiber will first carry out high-strength carbon fiber surface degumming process.Take high-strength polypropylene itrile group carbon fiber (T300, T700) as raw material, remove the cementing agent of carbon fiber surface by 300-500 in air ℃ of thermal treatment, commercially available high-strength polypropylene itrile group carbon fiber surface has one deck resene cementing agent, this one deck cementing agent is unfavorable for adsorbing microorganism species and organic pollutant, so must carry out degumming process.
Preferably, the biological carbon fibre surface energy of above-mentioned high strength is low, and poor with the wettability of water, surface presents hydrophobicity, after surface modification is processed, carbon fiber surface oxygen-containing functional group increases, and surface can increase, improve with the wettability of water, contact angle diminishes, and surface presents wetting ability.Absorption to pollutent in sewage treatment process and biomembranous load are all closely related with composition with the structure of carbon fiber surface functional group, by adjustment sheet surface modification method and processing parameter, prepare the biological carbon fiber that wettability is good and microbial capacitive is high.The functional group on the high-strength carbon fiber surface by previous step degumming process is fewer, need to further carry out surface modified, adopt air oxidation process to carry out surface modification treatment to carbon fiber, under air atmosphere, at 400-600 ℃, carbon fiber is carried out to oxide treatment, generate various active oxygen-containing functional group at carbon fiber surface, prepare the high strength biological carbon fiber with biocompatibility.
Preferably, above-mentioned high strength biological carbon fiber carries out the preparation of pencil or discoid high strength biological carbon fiber water treatment filler.High strength biological carbon fiber is cut into certain length, makes pencil or discoid biological carbon fiber water treatment filler, when use, be vertically placed in water, form aquatic-weed-shaped biomimetic features, wave with mobile water body, the waving of similar pasture and water, sphere of action is large, and water treatment successful strengthens.
PVC foam bed body 2 provides whole floating bed structure needed buoyancy, through research staff's research, the 1m adopting in the present invention
2the floating bed bed body 60Kg that can bear a heavy burden.Weight in whole floating bed can be provided completely.
In the specific implementation, whole floating bed is to be spliced by single bed body, so the real area of floating bed can be made corresponding change according to the situation of water quality, in addition, the length of biological carbon fibre composite is to be also changed accordingly according to the situation of waterhead area and water quality.
In the specific implementation, if less demanding to responding time, also can adopt the mode of natural membrane to complete biofilm and the enrichment of microorganism in floating bed installation relief floating bed, this process need guarantees that the dissolved oxygen in water body carries out biofilm at 3-5mg/L, after biofilm success, can have fine very fast cleaning action to water body; If responding time is had relatively high expectations, water body inside adds EM bacterium powder again, increases the dissolved oxygen in water body simultaneously, guarantees that dissolved oxygen in water body is at 3-5mg/L, and the short period just can allow the rapid biofilm of microorganism, purifying sewage quickly.
Below with reference to specific embodiment, further illustrate the utilization of wetland structure of the present invention, biological carbon filamentary material 5 and the beneficial effect of the purification system including plant to sewage purification.
Wetland structure: wetland groove
Biological carbon filamentary material: ecological carbon-fibre composite
Floating bed plant: Scirpus tabernaemontani, Spiked Loosestrife, yellow flag
Floating bed structure: PVC foam bed body 2, the inner wetland groove 3 of laying of bed body, planting aquatic plants on bed body, bed body 2 belows hang ecological carbon-fibre composite.
In the present embodiment, adopt dynamic continuous flow, hydraulic detention time is 2 days, and plant growing density is 16/m
2, the implementation according to this invention after floating bed is put into water adds microbiobacterial agent, allows biofilm after one week, start to measure every day water quality.
Wetland structure: wetland groove
Biological carbon filamentary material: biological carbon fiber water treatment filler
Floating bed plant: Scirpus tabernaemontani, Spiked Loosestrife, yellow flag
Floating bed structure: PVC foam bed body 2, the inner wetland groove 3 of laying of bed body 2, planting aquatic plants on bed body 2, bed body 2 belows hang biological carbon fiber water treatment filler.
In the present embodiment, adopt dynamic continuous flow, hydraulic detention time is 2 days, and plant growing density is 16/m
2, the implementation according to this invention after floating bed is put into water adds microbiobacterial agent, allows biofilm after one week, start to measure every day water quality.
Comparative example 1
Wetland structure: nothing
Biological carbon filamentary material: nothing
Floating bed plant: Scirpus tabernaemontani, Spiked Loosestrife, yellow flag
Floating bed structure: Traditional Ecological floating bed, PVC foam bed body, planting aquatic plants on bed body
In this comparative example, adopt dynamic continuous flow, hydraulic detention time is 2 days, plant growing density is 16/m
2, after one week, start to measure every day water quality.
Adopt the carbon fiber wet land type floating bed of embodiment 1-2 and by the floating bed of comparative example 1, comparison sewage tested.
In employing embodiment 1-2, floating bed and comparative example 1 floating bed are carried out purifying treatment to aquiculture sewerage, and the water quality parameter of aquiculture sewerage is as shown in table 1, and sewage disposal result is as shown in table 2.
Table 1
| COD Cr | Turbidity | Ammonia nitrogen | Total phosphorus |
| 143.6 | 3.5 | 1.17 | 0.43 |
Table 2
| |
|
Comparative example 1 | |
| COD CrClearance | 60.01％ | 67.29％ | 10.11％ |
| Ammonia nitrogen removal frank | 76.53％ | 85.14％ | 10.54％ |
| Total tp removal rate | 45.31％ | 56.39％ | 11.37％ |
From the data of table 2, the breeding wastewater that is table 1 for water quality, use biological carbon fiber wet land type floating bed provided by the present invention water quality after treatment to be greatly improved, ammonia nitrogen removal frank and nitrogen removal rate can reach breeding wastewater emission regulation, and are better than the treatment effect of comparative example floating bed.
In employing embodiment 1-2, floating bed and comparative example 1 floating bed are carried out purifying treatment to water outlet in the middle of sewage work, and the water quality parameter of sewage work is as shown in table 3, and sewage disposal result is as shown in table 4.
Table 3
| COD Cr | Turbidity | Ammonia nitrogen | Total phosphorus |
| 60.67 | 37.41 | 31.22 | 2.55 |
Table 4
| |
|
Comparative example 1 | |
| COD CrClearance | 56.11％ | 63.59％ | 17.09％ |
| Ammonia nitrogen removal frank | 70.23％ | 81.14％ | 5.99％ |
| Total tp removal rate | 41.44％ | 49.57％ | 6.11％ |
From data in table 4, to water quality parameter as the sewage treatment process of table 3 in, biological carbon fiber wet land type floating bed provided by the present invention water water quality after treatment is greatly improved, the clearance of CODcr and ammonia nitrogen removal frank can meet sewage work's discharge standard, and the clearance of each index is all obviously better than the water outlet of comparative example.
In employing embodiment 1-2, floating bed and comparative example 1-2 floating bed are carried out purifying treatment to Changchun reuse water (river), and the water quality parameter of Changchun reuse water is as shown in table 5, and sewage disposal result is as shown in table 6.
Table 5
| COD Cr | Turbidity | Ammonia nitrogen | Total phosphorus |
| 49.1 | 24.55 | 9.63 | 1.21 |
Table 6
| |
|
Comparative example 1 | |
| COD CrClearance | 57.37％ | 61.32％ | 15.17％ |
| Ammonia nitrogen removal frank | 61.77％ | 73.14％ | 7.66％ |
| Total tp removal rate | 46.05％ | 52.79％ | 8.03％ |
From data in table 6, water quality treatment as the process of the river of table 5 in, the biological floating bed water water quality after treatment of carbon fiber wet land type provided by the present invention improves a lot, COD
crthe clearance of clearance, ammonia nitrogen removal frank, total phosphorus and turbidity all make the classification in the water environment quality standard of river be improved.In addition, the clearance of each index is all obviously better than the water outlet of comparative example.
In consolidated statement 2, table 4 and table 6, data can be found out, the carbon fiber wet land type that embodiment of the present invention 1-2 adopts is in use biological floating bed, can purify all kinds of micropollutant waters, and original position reparation, finally all reach good treatment effect, be suitable for universal and application.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a carbon fiber wet land type is biological floating bed, it is characterized in that: comprise a body, biological carbon filamentary material, floating bed plant and wetland groove; Described wetland groove is arranged on a body inside, and protrudes from a body bottom; The solid porous light Performance of Constructed Wetlands Substrates of described wetland groove; Filler among is implanted with floating bed plant, and floating bed plant root system is covered with whole wetland groove inside, forms reticulated structure; Described wetland groove comprises wetland groove support bar, wetland groove framework, nylon rope net, hanger bar, suppending hole and suspension strop; Described wetland groove support bar, wetland groove framework adopt lightweight water-resistant material bamboo chip, and wetland groove support bar is supported on whole wetland groove on floating bed bed body; Described wetland groove framework is connected with the wetland groove support bar on top, is arranged at wetland groove support bar bottom, and described nylon rope net is fixed on outside wetland groove framework, and wetland trench bottom is provided with hanger bar, is provided with suppending hole in hanger bar, is provided with suspension strop in suppending hole; Described biological carbon filamentary material is suspended in the hanger bar of described wetland trench bottom.
2. carbon fiber wet land type according to claim 1 is biological floating bed, it is characterized in that: described bed body is PVC foam bed body.
3. carbon fiber wet land type according to claim 1 is biological floating bed, it is characterized in that: described biological carbon filamentary material is ecological carbon-fibre composite or biological carbon fiber water treatment filler.
4. carbon fiber wet land type according to claim 3 is biological floating bed, it is characterized in that: described ecological carbon-fibre composite comprises sandwich layer and skin, and sandwich layer is greater than 1300m by specific surface area
2the bio-active carbon fibre of/g forms, and skin is made up of the eyelet fabric of polypropylene fiber, and skin is wrapped in the periphery of sandwich layer.
5. carbon fiber wet land type according to claim 4 is biological floating bed, it is characterized in that: described ecological carbon-fibre composite also comprises the ring-type looped pile portion being evenly arranged on skin, and described ring-type looped pile portion is composited by polypropylene fiber and polyster fibre.
6. carbon fiber wet land type according to claim 3 is biological floating bed, it is characterized in that: described biological carbon fiber water treatment filler has biocompatibility, is pencil or discoid, is vertically placed in water, there is aquatic-weed-shaped ecologic structure, can wave with mobile water body.
7. carbon fiber wet land type according to claim 1 is biological floating bed, it is characterized in that: in the wet land filler of described wetland groove inside, added microbiobacterial agent, described microbiobacterial agent is by multiple composition the in photosynthetic bacterium, yeast, genus bacillus, nitrobacteria, denitrifying bacterium.
8. carbon fiber wet land type according to claim 1 is biological floating bed, it is characterized in that: described floating bed plant is economic class vegetables; Or described floating bed plant is more than one the arbitrary combination of viewing and admiring class flowers and plants.
9. according to the biological floating bed method to set up of carbon fiber wet land type described in any one in claim 1-8, it is characterized in that: comprise the steps:
Step 1: first by solid wetland groove porous light Performance of Constructed Wetlands Substrates, and described floating bed plant is cultivated in the wet land filler of wetland groove inside;
Step 2: described biological carbon filamentary material on demand density be suspended on the aperture of wetland trench bottom hanger bar;
Step 3: add microbiobacterial agent between the wet land filler of wetland groove inside;
Step 4: the wetland groove that installs wet land filler, floating bed plant and hang up properly biological carbon filamentary material is put into PVC foam bed body, and will couple together with rope or iron wire between each floating bed;
Step 5: the floating bed coupling together in step 4 is put in micropollutant water, adds microbiobacterial agent in the water body around floating bed.
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