CN201301249Y - Combined-flow artificial floating island water body purification device - Google Patents
Combined-flow artificial floating island water body purification device Download PDFInfo
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- CN201301249Y CN201301249Y CNU2008201754858U CN200820175485U CN201301249Y CN 201301249 Y CN201301249 Y CN 201301249Y CN U2008201754858 U CNU2008201754858 U CN U2008201754858U CN 200820175485 U CN200820175485 U CN 200820175485U CN 201301249 Y CN201301249 Y CN 201301249Y
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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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Abstract
The utility model relates to a combined-flow artificial floating island water body purification device which is provided with an artificial floating island framework that is internally provided with a particle filling area (6); the particle filling area is internally filled with particle filler (6a) which is closely stacked and distributed in a dispersing way at the lower part of the artificial floating island framework; sparse filler (7a) with good flow-passing property is arranged in the space among spread particle filling areas (6c), so that a sparse filling area (7) with the flow rate being obviously higher than the permeating flow rate of the particle filling area is formed; and the particle filling area is distributed at the upper part of the artificial floating island framework in a way of a whole piece or divided pieces, so that an upper layer particle filling area (6b) which can be planted with humidogene emergent aquatic plants can be formed. Different kinds of filling areas are set by the device, so that combined flow having porous medium interstitial flow and space continuous water flow which can coexist is formed, and the water body can be fully purified through the actions of physics, chemistry, plant, microorganism and the like. When the combined-flow artificial floating island water body purification device is adopted for treating eutrophic surface water bodies such as river, lake and the like, the effect of removing nitrogen and phosphorus with high efficiency can be achieved.
Description
Technical field
The utility model belongs to a kind of device of administering sewage, is specifically related to the device that a kind of artificial floating island is administered sewage.
Background technology
Body eutrophication is one of main Environmental Problems of facing of the mankind, also is one of puzzlement China environmental problem for many years.Body eutrophication mainly is to be caused by the nitrogen in point-source pollution and the pollution of area source, phosphorus.Point-source pollution mainly is because the present urban operating mechanism of China imperfection also, the construction of municipal sewage plant can't adapt to the needs of socio-economic development, National urban sanitary sewage disposal rate only is 37.4%, and raw sewerage directly enters in the receiving water bodies such as river, lake greatly; Pollution of area source mainly is because nitrogenous fertilizer, phosphate fertilizer that agricultural is used can not be utilized by plant fully, enters in the receiving water body with face of land runoff in the precipitation process, causes that the water body concentration of nitrogen and phosphorus raises, and causes body eutrophication.
Because not having ability at present handles all sewage collectings, also can not stop using of nitrogenous fertilizer, phosphate fertilizer, so often adopt river course direct purification technology, promptly sewage is purified in flowing through the process in river course by certain technique means, reduce nitrogen, phosphorus content, thereby reduce the nutritive substance total amount that enters the lake.River course direct purification technology mainly comprises stream aeration oxygenation, phytoremediation band, artificial swamp, technology of biological membrane, microbial preparation technology and artificial floating island technology at present.Preceding several technology have limited it and have promoted the use of on a large scale owing to there are shortcomings such as purification efficiency is low, investment height, very flexible.Existing artificial floating island technology then has reduced investment, handiness height, to the advantage of the good purification of nitrogen in the river water body, but it is very poor that its shortcoming is the decontamination effect improving of phosphorus, therefore needs further exploitation to have the artificial floating island technology of high-efficient denitrification and dephosphorization function simultaneously.
The utility model is exactly at this point, has the device of the NEW TYPE OF COMPOSITE person who lives in exile worker floating island water body purification of high-efficient denitrification and dephosphorization function when developing on existing artificial floating island basis.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of device with purifying combined-flow artificial floating island water body of high-efficient denitrification and dephosphorization function, and this device can be purified water body by effects such as physics, chemistry, plant and microorganisms fully.
The technical scheme that addresses the above problem is: be provided with artificial floating island framework (3), it is characterized in that: be provided with in the described artificial floating island framework and have certain water-permeable and than the granular filler district (6) of bigger serface, be filled with closelypacked granular filler (6a) in the granular filler district, described granular filler district is a discrete distribution in artificial floating island framework bottom, be provided with the sparse filler (7a) of good fluidity in the space between the dispersed particulates packing area (6c), formation can make the flow velocity that flows through it the sparse packing area (7) apparently higher than granular filler district seepage velocity, described granular filler district is that full wafer or burst distribute at the artificial floating island framework upper, formation can be planted the granular filler district, upper strata (6b) of humidogene emergent, and float is housed on the framework.
In order to make the tightly packed body of above-mentioned particle packing area can have bigger specific surface area, have certain water-permeable again, the granular filler particle diameter that fill the packing area can be selected 0.1-50mm.
The granular filler of filling in the tightly packed body of the above-mentioned particle packing area can be biological ceramic particle and/or zeolite filler and/or quartz sand and/or other similar material filler.
Above-mentioned sparse filler can be fibrous bundle filler and/or combined stuffing and/or elastic filler and/or other random fill.
The utility model design artificial floating island on be that packing area by two kinds of different in kinds constitutes, can directly be structured on the surface water bodies such as river, lake.
The closelypacked granular filler district that is provided with on the chinampa has than bigger serface, has the biofilm adsorption, can provide carrier for microbial growth, the microbial metabolism that utilizes its stronger biofilm ability and adsorption coprecipitation effect that the pollutent in the water is adhered on the filler is removed, remove the objectionable impurities in the water body, purifying water body;
For guaranteeing the inflow-rate of water turbine of artificial floating island system, described granular filler district is a discrete distribution in the framework bottom, is provided with sparse packing area between the granular filler district of distribution.The present invention is provided with two kinds of packing areas, can form the different compounded mix district of current drag in the artificial floating island framework, the combined-flow that makes current formation Porous Media and space continuity current and deposit.The granular filler district has certain retardation to current, and current velocity of flow in the tightly packed body of particle is more slow relatively, is the seepage flow state, and this makes the granular filler zone mainly be in the hypoxic/anaerobic state; And current are very fast relatively in sparse filler inner flow velocity, make sparse filler zone mainly be in oxygen condition, thereby in artificial floating island filler zone, form different dissolved oxygen zone, after current pass sparse filler zone and the tightly packed body of particle, can under the effect of aerobic, anerobe, carry out denitrogenation efficiently and remove capable harmful substances with hydraulic connection.
Because the tightly packed body of particle in the granular filler district can adopt compacting to pile up the mode of filling, therefore plant can directly be planted thereon, the utility model can be the wet water emergent of upper strata granular filler district plantation, utilize emergent in process of growth, can absorb nitrogen, phosphorus in the water body, further reach the purpose of purifying water body.In addition, granular filler has insulation effect in temperature lower season to the emergent root system.Although north of china in winter plant withered death because the existence of granular filler makes emergent can recover 1 year spring, has been avoided the annual trouble that spring, plant need be planted again
Adopt the utility model that enriched surface water bodies such as river, lake are handled, can obtain the effect of high-efficient denitrification and dephosphorization, and have stable, use flexibly, the investment working cost is low, convenient management, advantage such as both artistic and practical, to being subjected to point source, pollution of area source to cause nitrogen, higher river, the lake of phosphorus concentration to be administered, can reduce the nutritive substance load in the water surrounding to a certain extent, alleviate the eutrophication level.
Description of drawings
Fig. 1, the utility model device example structure synoptic diagram
The A of Fig. 2, Fig. 1 is to structural representation
Fig. 3, the utility model embodiment unit biological particles filler body structure synoptic diagram
Simulation flow-shape figure in Fig. 4, " stalactitic " mixed fillers district
Simulation flow-shape figure in Fig. 5, the single packing area
The sparse filler 8-of the 1-emergent 2-root system of plant 3-framework 4-screen cloth 5-screen cloth bracing frame 6-granular filler district 6a-granular filler 6b-upper strata sparse packing area 7a-of granular filler district 6c-dispersed particulates packing area 7-steel wire 9-air pump 10-aeration tube 11-aeration head 12-air valve 13-float 14-rope 15-anchoring pile
Embodiment
This example is provided with artificial floating island framework 3, and as the supporter of total system, the granular filler 6a on the chinampa is filled in the screen cloth 4 that is supported by screen cloth bracing frame 5, forms granular filler district 6.
This example bottom in the artificial floating island framework is provided with the dispersed particulates packing area 6c of some columns, and its upper end is connected as a single entity with the granular filler district 6b that the upper strata is linked to be sheet, makes the integral particle packing area 6 in the artificial floating island be the Stalactitum shape.This structure can increase the exchange capacity of granular filler and current.
Integral particle packing area 6 in the artificial floating island is to be combined by 8 unit grain filler bodies, the cross section of each unit grain filler body top 6b1 is greater than the cross section of bottom, each unit grain filler body top 6b1 is combined into granular filler district, the upper strata 6b that can plant the humidogene emergent, each unit grain filler body bottom is the cylinder 6c1 of downward extension, in the space between each unit grain filler body bottom cylinder sparse filler 7a is housed, forms sparse packing area 7.
Each unit grain filler body top 6b1 can roughly be turbination or square taper or reverse frustoconic, this 6b1 side of being, routine unit grain filler body top is plate-like, plate bottom, side is provided with the cross section less than square plate cross section, the downward cylinder 6c1 that extends, side plate 6b1 and cylinder 6c1 by the cross section from the top down the cone 6d1 of convergent be connected as a single entity, the big up and small down funnel-form of each unit grain filler body profile, 6b1 side, 8 unit grain filler body top plate joint becomes to be linked to be granular filler district, the upper strata 6b of the described artificial floating island framework internal upper part of sheet, the cylinder 6c of bottom extends to base of frame (also may extend into the bottom), sparse filler filler 7a is housed in the space between the granular filler cylinder 6c, forms sparse packing area 7.
The artificial floating island frame size is: length * wide * height=2m * 1m * 1m, the square plate 6b1 on each unit grain filler body top is of a size of: length * wide * height=0.5m * 0.5m * 0.1m, cone 6d1 segment thickness is 0.1m, the height of cylinder part is 0.8m, cylinder 6c1 cross section is square, and is of a size of: 0.2m * 0.1m.The square plate body on 8 unit grain filler body tops pieces together granular filler district, the upper strata 6b of 2m * 1m * 0.1m, and the granular filler cylinder 6c that bottom, upper strata granular filler district extends to the framework cavity bottom is connected as a single entity by conical part and upper strata granular filler district respectively.
Each unit grain filler body all is to be made of the shape screen cloth 4 filler particles filler 6a identical with unit grain filler body profile, in advance prefabricated unit grain filler body scene on artificial floating island can be pieced together required stalactitic granular filler district 6 like this, screen cloth 4 is fixed on the screen cloth bracing frame 5 that is located in the framework.
The unit grain filler body of composition integral particle noted earlier packing area is big up and small down shape, its top can be combined into join together (as the square sheet that is linked to be) though or can not be linked to be sheet (as circle) but distribute than the granular filler district, upper strata of comparatively dense, be used to plant more humidogene emergent.
Also unit grain filler body can be designed to the shape of diameter unanimity up and down, but the diameter of unit grain filler body is also answered corresponding increase in this case, enough area plantation humidogene emergents are arranged to guarantee its top.
Artificial floating island framework 3 and screen cloth bracing frame 5 are made by the pvc pipe material.Screen cloth 4 adopts zinc-plated net.
It is that particle diameter is the biological ceramic particle of 3-8mm that this routine particle is filled out the granular filler 6a that fills in the grain district,, contain:
SiO
260-65%; CaO and/or MgO 3-5%; Al
2O
317-22%; Fe
2O
35-8%.
Contained SiO in the above-mentioned haydite
2, CaO, MgO, Al
2O
3And Fe
2O
3Deng composition, can remedy the deficiency of present artificial floating island by the phosphorus in the adsorption coprecipitation effect removal water body to phosphorus decontamination effect improving difference.
The tightly packed body of particle described in the utility model method packing area requires to have bigger specific surface area, be in order to form bigger biofilm area, the particle diameter of filling a material is more little, specific surface area can be big more, but particle diameter is too small, can make the water-permeable of accumulation body packing area too small, though the compounded mix district that forms by small offence flow packing area and big inflow-rate of water turbine packing area that the utility model will be provided with, but small offence flow flow district also needs certain water-permeable, its purification function of competence exertion, so the selection of the grain diameter of the tightly packed body of particle packing area should guarantee that there is bigger specific surface area this packing area, guarantee to have certain water-permeable again, usually the granular filler particle diameter of this packing area should be advisable at 0.1-50mm, and preferred version is that particle diameter is 1-20mm.
Be provided with the sparse filler 7a of some fibres in the cavity in the framework between the granular filler cylinder of bottom, form sparse packing area 7, the sparse filler that this example adopts is a fibrous bundle combination filler, promptly form by the fibrous bundle filler that is installed on the plastic skeleton, fibrous bundle combination filler upper end hangs on the screen cloth on top steel wire 8 relative fixed that lower end and framework bottom are provided with.
Fibrous bundle combination filler 7a monolithic diameter is 15cm, and the mounting center spacing is 20cm.
It is strong that fibrous bundle combination filler has the biofilm ability, the characteristics that conveyance capacity is good.
Wet this life emergent 1 of this example is selected cattail and reed, plant on upper strata granular filler district 6b, planting density be 38～40 strains/square metre, planting proportion is 1: 1, the side of wherein intaking plantation cattail, water outlet one side plantation reed, its root system of plant 2 can deeply be covered with whole biological particles packing area 6, and can further pass screen cloth 4 and be grown in the whole artificial floating island matrix areas.
The artificial floating island feed-water end is equipped with the aerating apparatus that comprises air pump 9, aeration tube 10, aeration head 11, by the size of one control air valve 12 control aeration rates.Air pump 9 is fixed on the artificial floating island feed-water end framework 3, and aeration head 11 is positioned at and gos deep into position, framework 0.6m place, and in the practical application, can adjust air valve 12 control gas-water ratios is 10: 1.Aerating apparatus can further improve the oxygen dissolved in the water body, improves the water body purification effect.
The utility model is provided with two kinds of packing areas on artificial floating island, through the filling shape and the size of two kinds of fillers are tested, adopt this example " stalactitic " filling mode can in the artificial floating island framework, form the different compounded mix district of current drag, the combined-flow that makes current formation Porous Media and space continuity current and deposit, this combined-flow is three-dimensional Qu Bianzhuan current (Fig. 4), make water body when flowing through the artificial floating island system, pass the filler zone of different dissolved oxygen content repeatedly, be granular filler zone and fibrous bundle combination territory, packing area, thereby under the effect of aerobic/anerobe, realize denitrogenation dephosphorizing function efficiently.If the zone that current flow through has only a kind of filler, then can not form this three-dimensional bent current (Fig. 5) that become, decontamination effect improving adopts the decontamination effect improving of " stalactitic " filling mode far away from this example.
Artificial floating island framework 3 both sides are provided with float 13, make the artificial floating island can be at the buoyancy function low suspension in water surface, and float is hollow drum, and its size is calculated according to the artificial floating island mass of system.In the use, artificial floating island is fixed on the anchoring pile 15 of riverbed or bottom, lake by rope 14.
This routine biological particles filler porosity is 40%, and total packing volume is 0.4m
3, useful volume is 0.16m
3, the total packing volume of fibrous bundle combination filler is 1.6m
3, useful volume is 1.5m
3, the total useful volume of artificial floating island system is 1.66m
3, hydraulic detention time is 42h, day output is 0.95m
3/ d.Embodiment adopts continuous water intake mode, intakes to be northern canal river, and hydraulic detention time is 42h, and through trimestral continuous operation, each pollutent mean concns sees Table 1 in the effluent quality after raw water quality and process native system are handled.
Table 1 Inlet and outlet water water quality table
| Water-quality guideline | NH 4 +-N | NO 3 --N | NO 2 --N | Total inorganic nitrogen | TP |
| Water inlet mean value (mg/L) | 9.80 | 1.72 | 0.22 | 11.74 | 1.69 |
| Water outlet mean value (mg/L) | 0.43 | 0.8 | 0.1 | 1.33 | 0.23 |
| Average removal rate (%) | 95.6 | 53.5 | 54.6 | 88.7 | 83.0 |
As shown in table 1, the device of purifying combined-flow artificial floating island water body can effectively be removed nitrogen, the phosphorus in the water body.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; every foundation technical spirit of the present utility model all still belongs to the protection domain of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1, the device of purifying combined-flow artificial floating island water body, be provided with artificial floating island framework (3), it is characterized in that: be provided with in the described artificial floating island framework and have certain water-permeable and than the granular filler district (6) of bigger serface, be filled with closelypacked granular filler (6a) in the granular filler district, described granular filler district is a discrete distribution in artificial floating island framework bottom, be provided with the sparse filler (7a) of good fluidity in the space between the dispersed particulates packing area (6c), formation can make the flow velocity that flows through it the sparse packing area (7) apparently higher than granular filler district seepage velocity, described granular filler district is that full wafer or burst distribute at the artificial floating island framework upper, formation can be planted the granular filler district, upper strata (6b) of humidogene emergent, and float is housed on the framework.
2, the device of purifying combined-flow artificial floating island water body according to claim 1 is characterized in that: granular filler (6a) is filled in the screen cloth (4) that is supported by screen cloth bracing frame (5), forms described granular filler district (6).
3, the device of purifying combined-flow artificial floating island water body according to claim 1, it is characterized in that: the bottom is provided with the dispersed particulates packing area (6c) of some columns in the artificial floating island framework, its upper end is connected as a single entity with the granular filler district (6b) that the upper strata is linked to be sheet, makes the integral particle packing area (6) in the artificial floating island be the Stalactitum shape.
4, the device of purifying combined-flow artificial floating island water body according to claim 3, it is characterized in that: the integral particle packing area (6) in the artificial floating island is to be combined by a plurality of unit grain filler bodies, the cross section on each unit grain filler body top (6b1) is greater than the cross section of bottom, each unit grain filler body top (6b1) is combined into the granular filler district, upper strata (6b) that can plant the humidogene emergent, each unit grain filler body bottom is the cylinder (6c1) of downward extension, in the space between each unit grain filler body bottom cylinder sparse filler (7a) is housed, forms sparse packing area (7).
5, the device of purifying combined-flow artificial floating island water body according to claim 4, it is characterized in that: each unit grain filler body all is to be made of shape screen cloth (4) the filler particles filler (6a) identical with unit grain filler body profile, and screen cloth (4) is fixed on the screen cloth bracing frame (5) that is located in the framework.
6, the device of purifying combined-flow artificial floating island water body according to claim 5, it is characterized in that: described sparse filler (7a) is fibrous bundle combination filler, its upper end hangs on the screen cloth on top, steel wire (8) relative fixed that lower end and framework bottom are provided with.
7, according to the device of the described purifying combined-flow artificial floating island water body of the arbitrary claim of claim 1-6, it is characterized in that: the granular filler of filling in the tightly packed body of the described particle packing area is that particle diameter is the granular filler of 0.1-50mm,
8, the device of purifying combined-flow artificial floating island water body according to claim 7 is characterized in that: the granular filler of filling in the tightly packed body of the described particle packing area is that particle diameter is the granular filler of 1-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201754858U CN201301249Y (en) | 2008-11-13 | 2008-11-13 | Combined-flow artificial floating island water body purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201754858U CN201301249Y (en) | 2008-11-13 | 2008-11-13 | Combined-flow artificial floating island water body purification device |
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| Publication Number | Publication Date |
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| CN201301249Y true CN201301249Y (en) | 2009-09-02 |
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ID=41084871
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| CNU2008201754858U Expired - Lifetime CN201301249Y (en) | 2008-11-13 | 2008-11-13 | Combined-flow artificial floating island water body purification device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734783B (en) * | 2008-11-13 | 2012-08-22 | 中国科学院研究生院 | Method and device for purifying combined-flow artificial floating island water body |
| CN104512966A (en) * | 2014-12-18 | 2015-04-15 | 上海中信水务产业有限公司 | Artificial ecological floating island and water purification method for sewage treatment |
| CN105461068A (en) * | 2015-11-24 | 2016-04-06 | 东莞圣源环保科技有限公司 | Biological floating island and wetland water body restoration system with biological floating island |
| CN108249710A (en) * | 2018-03-09 | 2018-07-06 | 广东浦华环保科技有限公司 | A kind of device using microbiological treatment black and odorous water |
-
2008
- 2008-11-13 CN CNU2008201754858U patent/CN201301249Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734783B (en) * | 2008-11-13 | 2012-08-22 | 中国科学院研究生院 | Method and device for purifying combined-flow artificial floating island water body |
| CN104512966A (en) * | 2014-12-18 | 2015-04-15 | 上海中信水务产业有限公司 | Artificial ecological floating island and water purification method for sewage treatment |
| CN105461068A (en) * | 2015-11-24 | 2016-04-06 | 东莞圣源环保科技有限公司 | Biological floating island and wetland water body restoration system with biological floating island |
| CN105461068B (en) * | 2015-11-24 | 2019-01-08 | 东莞圣源环保科技有限公司 | A kind of biological floating island and the wetland water body repair system with biological floating island |
| CN108249710A (en) * | 2018-03-09 | 2018-07-06 | 广东浦华环保科技有限公司 | A kind of device using microbiological treatment black and odorous water |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090902 Effective date of abandoning: 20081113 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20090902 Effective date of abandoning: 20081113 |