CN103803709A - Vetiver grass sewage purifying system and method thereof - Google Patents
Vetiver grass sewage purifying system and method thereof Download PDFInfo
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- CN103803709A CN103803709A CN201410054342.1A CN201410054342A CN103803709A CN 103803709 A CN103803709 A CN 103803709A CN 201410054342 A CN201410054342 A CN 201410054342A CN 103803709 A CN103803709 A CN 103803709A
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- caulis miscanthis
- miscanthis floriduli
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Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a vetiver grass sewage purifying system and method thereof. Primarily, through a bioengineering mode, the system comprises a cushion layer made from sufficiently-decomposed vetiver grass leaves and root cap and a vetiver grass base woven from the root and stem of vetiver grass; the vetiver grass is planted in the vetiver grass base; the cushion layer below the base performs decomposition and fermentation on the pollutants in sewage, the stability of the large-particle wastewater colloid can be preliminarily broken, and the substance obtained by decomposition is the fertilizer for the growth of the vetiver grass; the harvested vetiver grass can be repeatedly made into the cushion layer or base to realize cyclic utilization; the vetiver grass base can increase the purifying area to comprehensively remove total N, total P and heavy metals in the sewage. In the invention, all parts of vetiver grass and derivatives thereof are sufficiently utilized to form an environment-friendly and recyclable sewage purifying system, the shortcomings of the traditional water purifying measures are overcome, the cost is low, and the continuity is strong; meanwhile, the system has the characteristics of large purifying range, good purifying effect and the like.
Description
Technical field
The present invention relates to clean dirty technical field, refer in particular to a kind of Caulis Miscanthis floriduli sewage purification system and method thereof.
Background technology
Along with China's industry and economic fast development, Industrial " three Waste " quantity discharged increases constantly, add excessive and use unreasonably agricultural chemicals, chemical fertilizer and without planning dump rubbish etc., river course and groundwater resource pollution problem are become increasingly conspicuous, and due to the deficiency of its water purification condition, make the difficulty of water pollution control of China larger.
The at present pollution of the drinking water source of China is also very serious, meets drinking water standard person and only accounts for 30%, and 195 the city monitoring results in the whole nation show, 97% urban groundwater is subject to pollution in various degree, and 40% urban groundwater pollutes more the trend increasing the weight of year by year.The investigation that the pollution situation in 532 rivers of China is carried out shows, has 436 rivers and is subject to pollution in various degree, accounts for 82% of investigation sum.Till 1994, national each great river is all subject to pollution in various degree, and is development trend, and the pollution in industrial flourishing near cities waters is particularly outstanding.Thus, how to implement effective control and regulation to water pollution, to ensure socioeconomic Sustainable development and HUMAN HEALTH, oneself becomes the hot issue of common concern.
Because Caulis Miscanthis floriduli is that a kind of biomass is large especially, nitrogenous, phosphorus nutrient is high, have the perennial grass of Lu Sheng and aquatic feature concurrently, thus paid attention to by a lot of environmental administrations from the beginning, and for the purification of polluted-water.In the long term, along with the requirement of environmental protection is more and more higher, the superiority of Caulis Miscanthis floriduli purifying water body and relevant green technology will be subject to paying attention to more widely and applying, at present, Vetiver Grass Technology clean dirty field range of application is at home very limited, the design and researchp of the novel environment friendly system to Caulis Miscanthis floriduli is also relatively less, is difficult to adapt to and meet the new demand that contemporary field of Environment Protection proposes, thereby is necessary economic, energy-conservation, the efficient novel Caulis Miscanthis floriduli environment friendly system of design.
Summary of the invention
The object of the invention is to for the existing state of the art, a kind of Caulis Miscanthis floriduli sewage purification system and method thereof are provided, in bionic mode, degradation of organic substances rapidly, removes full N, full P and heavy metal, reaches the object of odorless, zero release.
For achieving the above object, the present invention adopts following technical scheme:
Caulis Miscanthis floriduli sewage purification system, comprises the leaf of Caulis Miscanthis floriduli and rhizome made bed course after abundant decomposition, the base that the root of Caulis Miscanthis floriduli and stem are woven into and be planted in the Caulis Miscanthis floriduli in base scope.
Above described bed course, be provided with one deck filtering net.
Described bed course is substratum, inoculation Caulis Miscanthis floriduli on it.
On described bed course, inoculate Caulis Miscanthis floriduli and a small amount of environment probiotic bacterium.
Described base is back taper wide at the top and narrow at the bottom.
Described base bottom is provided with some through holes.
The clean dirty step of this system is:
A levels land: be mainly by sewage region form zanjon carry out smooth so that the plantation of Caulis Miscanthis floriduli;
B kind is planted Caulis Miscanthis floriduli: annual 4-6 month, Caulis Miscanthis floriduli tillering seedling is planted among base, more smooth with soil covering;
C bed course is degradable fermented: the leaf of Caulis Miscanthis floriduli and root cap are made bed course after abundant decomposition, and soft, dispersion that the cus-cus haystack layer after decomposition becomes, is brownish black, contains main crop nutrition content, for example nitrogen, phosphorus, potassium, calcium and magnesium, pH value 7.0.On this system bed course inside, arrange filtering net, in order to fixing Caulis Miscanthis floriduli decomposition object, first sewage entered wherein by sewage mouth, can filter macrobead pollutent; Matrix bed course is as substratum, on it, can inoculate aquatic environment probiotic bacterium, above Caulis Miscanthis floriduli is planted in, the organism such as the fecaluria of discharging in underground sewage all can reach rapid degraded through microorganism fully fermenting, reach the object of odorless, zero release, simultaneously all right as fertilizer sources nourishes the growth of Caulis Miscanthis floriduli, realizes the object of ecological, environmental protective;
The comprehensive purification of d base: base utilizes the root of Caulis Miscanthis floriduli and stem to make, to improve the comprehensive utilization ratio of Caulis Miscanthis floriduli resource, make Caulis Miscanthis floriduli resource utilization, reach with this object that repeats regeneration, can improve dirty water purification area at scavenging process simultaneously, thereby increasing degree of purification, removes the full N of underground sewage middle and high concentration, full P and heavy metal Cu, Zn, As etc. in all directions;
This base shape-designing is simultaneously back taper wide at the top and narrow at the bottom, and current are entered by base below, and whirlwind-type rises, and can expand purification area; Also can adopt bionic principle, bionical Inspiration Sources is in lotus seat, and the one, can dredge rainwater, ground current are discharged by the water hole passage of base, the 2nd, adopt understructure to carry bulky feature, reach the effect of current speed limit, make its decontamination effect improving better;
E cus-cus grass roots and leaf purify: aspect disposing of sewage, Caulis Miscanthis floriduli root is volatilizable volatile oil, can effectively solve the stench problem of underground sewage, improves underground Air quality.The cauline leaf of Caulis Miscanthis floriduli can also absorb the pollutents such as airborne sulfurous gas, thereby effectively solves topsoil.The sewage emitting for underground pipelines such as processing hospital, its cauline leaf can stop bacterium and viral propagation, thereby has reduced the harm of sewage;
F Caulis Miscanthis floriduli management: 11-12 month then can be gathered in Caulis Miscanthis floriduli over-ground part, and recycle, lets alone repeated growth, can continue harvesting later annual 11-12 month.
Beneficial effect of the present invention is:
1. cost of investment is low
At economic aspect, the cost of investment that underground sewage is processed and working cost are very large.With regard to the current technology of biological membrane generally using both at home and abroad, physical and chemical process, contact oxidation technology, reuse water processing cost is generally between 1.5～3.6 yuan/m3, and in many areas, this price will be far above the price of tap water.So although traditional underground sewage treatment technology application is more extensive, it is built, overhead charges are too high, and can not realize the innoxious and resource utilization of sewage disposal completely;
Caulis Miscanthis floriduli sewage purification system has overcome the deficiency of water purification measure in the past, in economic aspect Caulis Miscanthis floriduli recovery technique take sun power as the energy, reduced investment, cost is only 10%～50% of Engineering Remediation Techniques, it is the new technology that a kind of environmental protection can reuse, and required maintenance cost is not high yet.Meanwhile, Caulis Miscanthis floriduli over-ground part is gathered in to management, the material of results can be re-used in bed course and the base making etc. of purification system, makes it produce the economic worth of certain recycling.So having, this novel Caulis Miscanthis floriduli Depurative design invests the advantages such as low, profitable on ecology.
2. environment protecting is good
The water purification measure of China also exists many problems, and for example dephosphorization technique is the bottleneck problem of municipal sewage treatment, because the materials such as a large amount nitrogen phosphate and sulfur containing in sewage, under anaerobic bacterium effect, are very easily given birth to repugnant substance contaminate environment.Biomembrance process is the conventional way of disposing of sewage at present, but this way is only applicable to the not too serious waste water region of organic contamination.Chemistry reparation is to administer the emergency method of sewage, can not life-time service, otherwise can cause biomagnification and the biomagnification of pharmaceutical chemicals, thus the whole ecosystem is had a negative impact;
Moreover microbial technique is also current emerging a kind of sewage disposal technology, but this technology also has certain limitation, especially add that external bacterial classification may cause and indigenous microorganism between struggle for existence, affect the balance of aquatic system in polluted water body.In addition, in sewage, also contain the microorganisms such as a large amount of pathogenic bacterias, virus and parasitic ovum, and the organism such as carbohydrate, fat, protein, and series metal thing and salts substances.So the drawback of aforesaid method is all can not process preferably multiple pollutant simultaneously.And this vetiver grass system can carry out full N to sewage, effective removal of full P and heavy metal Cu, Zn, As, does not cause secondary pollution to environment simultaneously, for the feasible method that provides is provided the underground sewage of mass-producing.
3. aesthetics is high
Caulis Miscanthis floriduli is a kind of beautiful decorative plant, is planted near underground pipeline city or factory, can be used for beautifying ground.On cleaner, the Caulis Miscanthis floriduli coverage rate of Cong Cong is very large, and leaf look dark green, and blade height very hangs low and causes, and grows dense, well-balanced and charming, makes the region that original pollution level is large immediately shine and so add lustre to, rich aesthstic meaning.
4. multilayer functionalization
Whole device is made in the utilization of Caulis Miscanthis floriduli regenerated aggregate, one can repeatedly be purified waste water large organic content and can also make ambient air be filtered further, cause landscape planting impact to a certain degree, moreover can also in the time of the rainy day, dredge draining, multilayer functionalization and stable performance, can replace original traditional underground drain, there is light weight, make the advantages such as simple, cost is low and sharp useless rate is high, result of use is good.
accompanying drawing explanation:
The system architecture schematic diagram that accompanying drawing 1 is invention;
The system base current whirlwind-type rising schematic diagram that accompanying drawing 2 is invention;
The system flowchart that accompanying drawing 3 is invention.
embodiment:
In order to make juror can the present invention's object, feature and function be had further and be understood, hereby lift preferred embodiment and coordinate graphic being described in detail as follows:
Refer to shown in Fig. 1 to Fig. 3, it is the structural representation of the present invention's preferred embodiment, the present invention is Caulis Miscanthis floriduli sewage purification system and method thereof, comprise leaf and the rhizome made bed course 1 after abundant decomposition of Caulis Miscanthis floriduli 3, described bed course 1 is provided with one deck filtering net 11 above, can fix Caulis Miscanthis floriduli decomposition object and filter macrobead pollutent, bed course 1 is substratum, on it, inoculate Caulis Miscanthis floriduli 3 or increase a small amount of environment probiotic bacterium, the organism such as the fecaluria of discharging in underground sewage all can reach rapid degraded through microorganism fully fermenting.
This system also comprises the root of Caulis Miscanthis floriduli 3 and base 2 that stem is woven into and is planted in the Caulis Miscanthis floriduli 3 in base 2 scopes, the base that Caulis Miscanthis floriduli 3 weaves is back taper wide at the top and narrow at the bottom, the first can be dredged rainwater, ground current are discharged by the water hole passage of base, the 2nd, utilize the bulky feature of base 2 structural bearing, reach the effect of current speed limit, make its decontamination effect improving better, and its bottom is provided with some through holes 21, facilitates root growth.
Whole system is placed in underground, Caulis Miscanthis floriduli part is basseted, waste water is tangentially entered by bottom, on water inlet pipe before sump pump, utilize principle of negative pressure first to pass through biological degradation bed course 1 by waste water, can tentatively destroy the stability of oarse-grained waste water colloid, in waste water as the pollutents such as ight soil can be held back by bed course 1, decomposing and fermenting, it decomposes material of gained becomes the fertilizer that Caulis Miscanthis floriduli 3 grows, recycle, and the root place that waste water is transported to Caulis Miscanthis floriduli 3 afterwards purifies.
The base of this system is to be formed by the root of Caulis Miscanthis floriduli and stem braiding itself, constantly regeneration, along with the increase of system base 2 height, flow velocity is constantly slack-off, in waste water, small and light particulate matter produces whirlwind-type rising and enters Caulis Miscanthis floriduli 3 filtrating areas in this system middle and lower part, it is large that the contact area of sewage and Caulis Miscanthis floriduli base 2 and Caulis Miscanthis floriduli leaf also becomes gradually, after purifying lentamente, sewage obtains omnibearing vegetalitas filtration, effectively remove the full N of underground sewage middle and high concentration, full P and heavy metal Cu, Zn, As etc., sewage after filtering and the colloid pollution thing having decomposed are along with the current overwhelming majority is discharged continuously by water shoot.
Caulis Miscanthis floriduli sewage purification system both can have been applied the factory river larger with area, also can be for area less sewage ditch, water drain etc.This recovery technique can the contaminated underground irrigation canals and ditches of omnibearing purification, and the vegetation that increases earth's surface covers, and pollutent is degraded on the spot and eliminated, and surrounding enviroment are disturbed little, can not destroy and implement place, embody environmental friendliness principle.Because Caulis Miscanthis floriduli is a kind of water purification plant, can not impact original aquatic ecosystem.
Caulis Miscanthis floriduli sewage purification system is lived again on the basis utilizing Caulis Miscanthis floriduli, and effectively N, P, chemical oxygen demand (COD) (COD), biochemical oxygen demand (BOD) (BOD), total nitrogen (TN) and the non-ionic ammonia etc. in purifying eutrophication water body, have good environmental benefit.
Certainly, above diagram, only for preferred embodiments of the present invention, not limits use range of the present invention with this, therefore, everyly in the principle of the invention, make equivalent change and all should be included in protection scope of the present invention.
Claims (9)
1. Caulis Miscanthis floriduli sewage purification system, is characterized in that: comprise the root of the leaf of Caulis Miscanthis floriduli and rhizome made bed course (1), Caulis Miscanthis floriduli after abundant decomposition and base (2) that stem is woven into and be planted in the Caulis Miscanthis floriduli (3) in base (2) scope.
2. Caulis Miscanthis floriduli sewage purification system according to claim 1, is characterized in that: described bed course (1) is provided with one deck filtering net (11) above.
3. Caulis Miscanthis floriduli sewage purification system according to claim 1, is characterized in that: described bed course (1) is substratum, inoculation Caulis Miscanthis floriduli (3) on it.
4. Caulis Miscanthis floriduli sewage purification system according to claim 1, is characterized in that: described bed course (1) upper inoculation Caulis Miscanthis floriduli (3) and a small amount of environment probiotic bacterium.
5. Caulis Miscanthis floriduli sewage purification system according to claim 1, is characterized in that: described base (2) is back taper wide at the top and narrow at the bottom.
6. Caulis Miscanthis floriduli sewage purification system according to claim 5, is characterized in that: described base (2) bottom is provided with some through holes (21).
7. a clean dirty method for the clean dirty system of Caulis Miscanthis floriduli, the steps include:
A. level land: be mainly by sewage region form zanjon carry out smooth so that the plantation of Caulis Miscanthis floriduli;
B. plant and plant Caulis Miscanthis floriduli: annual 4-6 month, Caulis Miscanthis floriduli tillering seedling is planted among base, more smooth with soil covering;
C. bed course is degradable fermented: the leaf of Caulis Miscanthis floriduli and root cap are made bed course after abundant decomposition, soft, dispersion that cus-cus haystack layer after decomposition becomes, be brownish black, contain main crop nutrition content, pH value is 7.0, arranges filtering net on bed course, in order to fixing Caulis Miscanthis floriduli decomposition object, first sewage entered wherein by sewage mouth, can filter macrobead pollutent; Matrix bed course, as substratum, can be inoculated aquatic environment probiotic bacterium on it, and above Caulis Miscanthis floriduli is planted in, the organism such as the fecaluria of discharging in underground sewage all can reach rapid degraded through microorganism fully fermenting;
D. the comprehensive purification of base: base utilizes the root of Caulis Miscanthis floriduli and stem to make, to improve the comprehensive utilization ratio of Caulis Miscanthis floriduli resource, make Caulis Miscanthis floriduli resource utilization, reach with this object that repeats regeneration, can improve dirty water purification area at scavenging process, strengthen degree of purification simultaneously;
E. cus-cus grass roots and leaf purify: aspect disposing of sewage, Caulis Miscanthis floriduli root is volatilizable volatile oil, can effectively solve the stench problem of underground sewage, improve underground Air quality, the cauline leaf of Caulis Miscanthis floriduli can also absorb the pollutents such as airborne sulfurous gas, thereby effectively solves topsoil, the sewage emitting for underground pipelines such as processing hospital, its cauline leaf can stop bacterium and viral propagation, thereby has reduced the harm of sewage;
F. Caulis Miscanthis floriduli management: 11-12 month then can be gathered in Caulis Miscanthis floriduli over-ground part, and recycle, lets alone repeated growth, can continue harvesting later annual 11-12 month.
8. according to the clean dirty method of the clean dirty system of a kind of Caulis Miscanthis floriduli of claim 7, it is characterized in that: described Caulis Miscanthis floriduli carries out abundant decomposition by its leaf and root cap after harvesting again, adds in bed course recycle.
9. according to the clean dirty method of the clean dirty system of a kind of Caulis Miscanthis floriduli of claim 7, it is characterized in that: described base is back taper wide at the top and narrow at the bottom, current are entered by base below, along with the increase of system base height, flow velocity is constantly slack-off, and in waste water, small and light particulate matter produces whirlwind-type rising and enters Caulis Miscanthis floriduli filtrating area in this system middle and lower part.
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4261193A1 (en) * | 2022-04-13 | 2023-10-18 | Paul E. Sturm | Wetland wastewater treatment system |
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| MXJL04000046A (en) * | 2004-12-07 | 2006-06-08 | Ct De Investigacion Y Asistenc | Process for treating vinasses. |
| CN101306880A (en) * | 2008-07-01 | 2008-11-19 | 浙江大学 | Process for harnessing eutrophication water body by interplanting plant on water |
| CN101514054A (en) * | 2009-03-30 | 2009-08-26 | 同济大学 | Combined ecological floating bed device |
| CN102943349A (en) * | 2012-11-29 | 2013-02-27 | 云南农业大学 | Degradable braided fabric and application thereof |
| CN102992485A (en) * | 2012-08-21 | 2013-03-27 | 南阳市乾景中药材开发有限公司 | Method for treating sewage by constructing artificial wetland with vetiver grass |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MXJL04000046A (en) * | 2004-12-07 | 2006-06-08 | Ct De Investigacion Y Asistenc | Process for treating vinasses. |
| CN101306880A (en) * | 2008-07-01 | 2008-11-19 | 浙江大学 | Process for harnessing eutrophication water body by interplanting plant on water |
| CN101514054A (en) * | 2009-03-30 | 2009-08-26 | 同济大学 | Combined ecological floating bed device |
| CN102992485A (en) * | 2012-08-21 | 2013-03-27 | 南阳市乾景中药材开发有限公司 | Method for treating sewage by constructing artificial wetland with vetiver grass |
| CN102943349A (en) * | 2012-11-29 | 2013-02-27 | 云南农业大学 | Degradable braided fabric and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4261193A1 (en) * | 2022-04-13 | 2023-10-18 | Paul E. Sturm | Wetland wastewater treatment system |
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