CN202465398U - Suspended combination ecological filter bed - Google Patents
Suspended combination ecological filter bed Download PDFInfo
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- CN202465398U CN202465398U CN2012200492604U CN201220049260U CN202465398U CN 202465398 U CN202465398 U CN 202465398U CN 2012200492604 U CN2012200492604 U CN 2012200492604U CN 201220049260 U CN201220049260 U CN 201220049260U CN 202465398 U CN202465398 U CN 202465398U
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- ecological filter
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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 discloses a suspended combination ecological filter bed which takes lifting float baskets as basic units, wherein double suspension filter layers are filled in the float baskets, and a water distribution device is respectively installed at the connection clearances of the float baskets, so the whole suspension float bed is formed. When the suspended combination ecological filter bed is used, a plurality of float baskets are connected with each other to float in a water body to be repaired; and the double suspension filter layers are used as the core functional areas of the ecological filter bed, and organically integrate plant uptake, filter material absorption, filtration, bio-film formation and various purification mechanisms, so the efficient repair of the eutrophic water can be realized. The suspended combination ecological filter bed has the advantages of simple structure, convenience in assembly, easiness in planting, no filter material blockage and the like, and is particularly suitable for the repairing of the seriously eutrophic water, which is difficult to be effectively realized by depending on a single technological mode.
Description
Technical field
The utility model relates to a kind of floated combined ecological filter bed that eutrophication water is repaired that is used for, and belongs to the sewage purification technology field.
Background technology
Ecological filter bed is a kind of water body recovery technique that on the vertical current constructed wetland basis, grows up; Because of its organic integration the multiple purification mechanism of the degradation function etc. of plant, animal and mikrobe in filtration, absorption and the system; Repairing effect is stablized fast, and low temperature season still can keep last effect preferably.This technological major defect is: 1. easy obstruction of operating period filtrate hardened, and needs frequent flushing or replacing filtrate, and operation expense is higher; 2. floor space is bigger, and the civil engineering construction phase is longer, and the urban applications nervous relatively in land resources receives great restriction.Patent 200620065822.9 has announced that a kind of packaged type that is used for water body purification is ecological filter bed; This device realizes that through the outer container that the Biomedia filtrate is packed into an open upper end position moves; Increased the handiness of using; But there is defective in its structure design, and the obstruction of the filtrate problem that hardens is also unresolved.
By contrast, utilize the biological floating bed technology of water surface space plantation water purification plant, because of have implement convenient, running cost is low, it is little and do not have advantage such as bad ecological disturbance to remove difficulty, has obtained application comparatively widely.This technological weak point is to receive the plant-growth cycle to limit, and the water body repairing effect manifests slower, and it is bigger influenced by seasonal factor, is difficult to realize efficient reparation that continue to eutrophication water.
In addition; Limit by planting patterns and growing environment, the water purification plant in the biological floating bed and ecological filter bed technology is many to be main with happiness water-based ornamental plant, is difficult to realize the high economic added value; It is many with disposition of solid waste to remove the back, fails to realize the recycling of eutrophication water.
Summary of the invention
The purpose of the utility model is: through to the integrated of ecological filter bed and biological floating bed technology with promote; A kind of floated combined ecological filter bed is provided; Both can efficiently repair eutrophication water, be convenient to implementation and operation again, the low-cost input; Low expense is moved, and can realize the recycling of eutrophication water.
The technical solution of the utility model is: this combined ecological filter bed is an elementary cell with the floating basket of lift, fills the two filtering layers of suspension in the floating basket of lift, and water distributor is installed in the gap of floating basket and floating basket, whole formation suspension filter bed.
Wherein, two filtering layers that suspend are made up of fly ash float layer and recessed soil matrix ultralight filter material layer, and the fly ash float layer is positioned at the top of recessed soil matrix ultralight filter material layer.
Wherein, recessed soil matrix ultralight filtrate is that size is 6-10mm according to the suspended composite filtering material of the proportion 0.6-0.9 of patent ZL200710133724.3 preparation; Or other suspended filter material that has adsorptivity and biological friendly concurrently also can adopt.
Wherein, The floating basket of lift is made up of basketry body, water wing, support net and height adjustment assembly, sealing around a basketry body and basket end is a screen cloth, and water wing is socketed in the outside of basketry body through height adjustment assembly; The support net is connected the inwall of basketry body, is positioned at about 100mm place, basketry body opening end below.
Wherein, water distributor is made up of hydraulic pipe, atomizing water-distribution nozzle and submersible pump, and the bottom of hydraulic pipe connects submersible pump, and the atomizing water-distribution nozzle is installed on the arm of hydraulic pipe.
Wherein, the atomizing water-distribution nozzle is the adjustable refraction sprinkler of flow, has flat fog effect, can in whole area coverage, evenly fall into water; Or other water-distributing device with same function also can adopt.
Wherein, floating pearl laminar surface laying plantation net.
During installation; With the floating basket of lift is elementary cell, and some floating baskets are connected to each other through connection cord, float in the water body to be repaired; Fill fly ash float and recessed soil matrix ultralight filtrate in the floating basket; Form pair filtering layers that suspend, water distributor is installed, the floated combined ecological filter bed of whole formation in the gap that floating basket connects.
During use,, will purify plant seed and directly sow on the net, pat compacting in plantation floating pearl laminar surface laying plantation net; Start water distributor after the bud seedling all sprouts, former water is spilled in the air through the atomizing water-distribution nozzle, and the air water mixed solution of formation gets into water body from the screen bottom of floating basket after two filtering layers that suspend filter; During the plant-growth end cycle; Promote the basketry height through height adjustment assembly, plant main body root breaks away from water body with the support net, through water distributor its fly ash float that carries is washed the floating basket that falls back; Plant then removes through plantation net full wafer, gets into the next round plantation.
This ecological filter bed purification mechanism comprises:
(1) filtrate absorption; Recessed soil matrix ultralight filtrate has adsorptive power efficiently, fast pollutent such as nitrogen phosphorus in the adsorbed water body.
(2) the suspend filtration of holding back of two filtering layers; When sewage is flowed through two filtering layer from top to down, the suspended particulate in the water and adhere to pollutent and promptly held back filtration by filter material layer.
(3) water distribution oxygenation; Sewage is spilled in the air through the atomizing water-distribution nozzle, forms a large amount of small dropletss or membranaceous water, and the form drippage with the air water mixed solution is accompanied by filtration procedure, and the dissolved oxygen in the water body is constantly replenished.
(4) bio-film colonization; Recessed soil matrix ultralight filtrate is biological friendly filtrate; Be easy to bio-film colonization; The pollutent of enrichment and water distribution oxygenation are bio-film colonization and have created good condition in two filtering layers; Through implementing the intermittent type water distribution, also can in water body, form replacing of aerobic, anoxic and anaerobic environment, further strengthen the denitrogenation dephosphorizing effect.
(5) plant absorbing; The fly ash float layer proterties on the two filtering layer tops of suspension is similar to the sandy soil that contain water saturation, the seed that purifies plant directly sowed on the fly ash float layer, fast germinating to seedling; Plant utilizes root system from two filtering layers, to obtain the required nutritive substances such as nitrogen phosphorus of growth on the one hand, and the opposing party directly absorbs the nutritive substance in the sewage through cauline leaf in the water distribution process.
The two filtering layers of suspension in the filter bed pass through absorption and have filtered enrichment a large amount of pollutents such as nitrogen phosphorus; For the growth of plant and the breeding of mikrobe provide the sufficient nutrient source; And plant and mikrobe make the filtrate adsorptive power be able to regeneration to the consumption of pollutent; Water distribution oxygenation has improved the efficient of bio-film colonization, and is beneficial to the growth of root system of plant, and the Collaboration of various water purification mechanism makes the ecological filter bed lasting efficient repair ability that demonstrates.
With existing ecological filter bed compared with techniques, the utility model also has following significant advantage:
(1) implementation cost is low; Whole device is suspended in the water surface, not land occupation, do not take the water body space, need not civil engineering construction, apparatus structure is simple, assembles flexiblely, is easy to management maintenance.
(2) no filtrate blockage problem; After filtrate was hung the film success, proportion increased, and filter material layer expands, and packed structures fluffs diffusing, can make the eliminating that comes off smoothly of aged microbial film, thereby efficiently solved the ecological filter bed obstruction problem that blocks water; In addition, the adjusting through water distribution intensity also can realize the change of suspended filter material layer degrees of expansion, and then improves hydraulics.
(3) be applicable to the large-scale planting of cash crop; The planting patterns of sowing can make plant have more flourishing root system compared to transplanting, and the optional scope of plant variety is also more extensive, the plantation of suitable exploitation mass-producing economy.Planting economic crops has not only produced economic value added, has also fundamentally solved the post-processed difficult problem of water purification plant.
Description of drawings
Fig. 1 is the floated combined ecological filter bed organigram of the utility model.
Fig. 2 is the floating basket structural representation of the lift of Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
Among the figure: 1 basketry body, 2 water wings, 3 height adjustment assemblies, 4 support nets, 5 screen clothes, 6 fly ash float layers, 7 recessed soil matrix ultralight filter material layers are planted net for 8 kinds, 9 hydraulic pipes, 10 atomizing water-distribution nozzles, 11 submersible pumps, 12 purify plant, 13 connection cords.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further description, can not be interpreted as it is restriction the utility model.
As shown in Figure 1, this combined ecological filter bed is an elementary cell with the floating basket of lift, fills the two filtering layers of suspension in the floating basket, and water distributor is installed in the gap of floating basket and floating basket, whole formation suspension filter bed.
Like Fig. 2, shown in 3; Wherein, The floating basket of lift is made up of basketry body 1, water wing 2, support net 4 and height adjustment assembly 3; Sealing around the basketry body 1 an and basket end is a screen cloth 5, water wing 2 is socketed in the outside of basketry body 1 through height adjustment assembly 3, and the inwall that support net 4 is connected basketry body 1 is positioned at basketry body opening end below.
Wherein, support net 4 inwall that is connected basketry body 1 is positioned at 100mm place, basketry body opening end below.
Wherein, water distributor is made up of hydraulic pipe 9, atomizing water-distribution nozzle 10 and submersible pump 11, and the bottom of hydraulic pipe 9 connects submersible pump 11, and atomizing water-distribution nozzle 10 is installed on the arm of hydraulic pipe 9.
Wherein, two filtering layers that suspend are made up of fly ash float layer 6 and recessed soil matrix ultralight filter material layer 7, and fly ash float layer 6 is positioned at the top of recessed soil matrix ultralight filter material layer 7.
Wherein, plantation net 8 is laid on fly ash float layer 6 surface.
Wherein, recessed soil matrix ultralight filtrate is that size is 6-10mm according to the suspended composite filtering material of the proportion 0.6-0.9 of patent ZL200710133724.3 preparation; Or other suspended filter material that has adsorptivity and biological friendly concurrently also can adopt.
As shown in Figure 1, during installation, some floating baskets are connected to each other through connection cord 13; Float in the water body to be repaired; The interior fly ash float 6 of filling of floating basket forms pair filtering layers that suspend with recessed soil matrix ultralight filtrate 7, in the gap that floating basket connects water distributor is installed, the floated combined ecological filter bed of whole formation.
During use, float pearl layer 6 surface laying plantation net 8, the seed that purifies plant 12 is directly being sowed in plantation netted on 8, patting compacting; Start water distributor after the bud seedling all sprouts, effluent stream screen bottom from floating basket behind two filtering layers that suspend gets into water body; During the plant-growth end cycle; Promote basketry body 1 height through height adjustment assembly 3, plant main body root breaks away from water body with support net 4, through water distributor its fly ash float that carries is washed the floating basket that falls back; Plant then removes through planting the net full wafer, gets into the next round plantation.
Implement
Example 1:
Choose certain landscape water corridor, campus as water body to be repaired, this water body total area 400 m2, the about 2m of the depth of water; Water body is muddy, is strong green, and the algal bloom in summer is with stench flavor; Lake water water quality: COD is 20.34 mg/L, and TN is 6.367 mg/L, and TP is 0.543 mg/L; Ammonia nitrogen is 1.548mg/L, and DO is 1.22 mg/L, and transparency is 0.23m.
52 floating baskets that are of a size of 550 * 400 * 300mm are placed the water surface; Connect into 2 row, intermediate arrangement hydraulic pipe and 13 miniature atomizing water-distribution nozzles, each shower nozzle water distribution diameter is 1.2m; The fly ash float bed thickness is 50mm in the floating basket; Recessed soil matrix ultralight filter material layer thickness is 200mm, and the plantation plant is selected U.S. four seasons green grass for use, and thickness of sowing is 1g/m
2
Sow after 5 days, careless seedling all sprouts, and carries out the operation of intermittent type water distribution, and every day, water distribution 6h left standstill 18h; The initial cloth water yield is 70 ml/s, increases day by day, reaches 200ml/s on the 10th; The water distribution operation was implemented after 3 days, and the opacity of water body is obviously improved, but still can smell stench flavor; Floating basket was thrown in back 15 days, and water body changes yellow-green colour into gradually by strong green, stench flavor be improved significantly, transparency reaches 0.8m, fish shuttles back and forth high-visible in the pond.In the time of 30 days, quality of water environment significantly improves, and water surface algae disappears basically, and water body presents the green clearly of pleasant, and water-quality guideline is: COD is 5.12 mg/L, and TN is 0.93 mg/L, and TP is 0.034 mg/L, and ammonia nitrogen is 0.117mg/L, and transparency is 1.8m.At this moment, the natural plant height degree reaches 7 ~ 9cm, can gather in the crops transplanting because its well developed root system and mutual dish knot, but full wafer from water, take out, very convenient; The turf that takes out is tiled in the face of land to be afforested, keeps 10 days moisture state, root system gos deep into soil, the lawn successful transplantation.This time gather in the crops 11.4m altogether
2Turf.
Embodiment 2:
Choose a certain semiclosed river course, city as water body to be repaired; This river course was the receiving water body of both sides resident living sewage originally; After implementing environmental renovation, sewage is delivered to sewage work through a section dirty training works and is focused on the back discharging, and the waters functional shift in this river course is a Landscape River; The water yield that relies on rainy season precipitation to replenish evaporation and ooze down, arid season short of rain then guarantees normal water level through regular replenishment sewage, the general moisturizing cycle is about 15 days; After certain moisturizing the 2nd day, water-quality determination was carried out in sampling, and its water-quality guideline is: COD is 110.42 mg/L, and TN is 29.859mg/L, and TP is 6.543 mg/L, and dissolved oxygen content is 0.786 mg/L, and transparency is 0.15m.
On the same day that water-quality guideline is measured, ecological floating basket is laid in the both sides, road along the river, every side two row, every row length 100m; Be connected to each other through water wing between floating basket, between two row, lay water-transmission line, every separated 4m is provided with an atomizing water-distribution nozzle on the pipeline; The water distribution diameter of shower nozzle is 2m, and floating basket is of a size of 550 * 400 * 400mm, and the fly ash float bed thickness is 20mm in the floating basket; Recessed soil matrix ultralight filter material layer thickness is 250mm, and the plantation plant is selected 605 green vegetables seeds for use, and thickness of sowing is 0.2g/m
2
Sow after 5 days, green vegetables height of seedling degree 2 ~ 3cm carries out the operation of intermittent type water distribution, and the initial cloth water yield is 50ml/s, increases day by day, increases to the maximum cloth water yield 150 ml/s during to 15 days; Every day, continuous water distribution 4h left standstill 20h; Floating basket was thrown in after 15 days, and water body is become dark green by original blackish green, and transparency significantly increases, and water body peculiar smell basically eliminate is measured its water-quality guideline and is: COD is 52.23mg/L, and TN is 10.452mg/L, and TP is 2.781mg/L, transparency 0.8m; Green vegetable leaf has grown to 6, and is plump dark green, grows fine.
Implemented second on the 16th and take turns moisturizing, this adopts indirect water supplementing method, and the submersible pump that will link to each other with water-transmission line places sewage lagoon, makes sewage at first through getting into the river course behind the depth filtration, deep bed filtration again; The water distribution parameter remains unchanged, and the time 3 day time spent is with 400m3 sewage input river course; When moisturizing was accomplished, measure its water-quality guideline and be respectively: COD was 69.76mg/L, and TN is 12.452mg/L, and TP is 4.781mg/L, and the sensory properties of water body is not seen obvious change.Second takes turns the water-quality guideline of measuring in 15th after the moisturizing is: COD is 20.09mg/L, and TN is 3.548mg/L, and TP is 0.702mg/L, and transparency is 1.2m; Existing 8 ~ 10 leaves of green vegetables this moment can be gathered, and this time gather in the crops green vegetables 240kg altogether.
Claims (8)
1. floated combined ecological filter bed is characterized in that: this combined ecological filter bed is an elementary cell with floating basket, fills the two filtering layers of suspension in the floating basket, and water distributor is installed in the gap of floating basket and floating basket, whole formation suspension filter bed.
2. floated combined ecological filter bed according to claim 1; It is characterized in that: wherein; Two filtering layers that suspend are made up of fly ash float layer (6) and recessed soil matrix ultralight filter material layer (7), and fly ash float layer (6) is positioned at the top of recessed soil matrix ultralight filter material layer (7).
3. floated combined ecological filter bed according to claim 1; It is characterized in that: wherein; Floating basket is made up of basketry body (1), water wing (2) and support net (4), and basketry body (1) seals all around and a basket end is screen cloth (5), and water wing (2) is socketed in the outside of basketry body (1); Support net (4) is connected the inwall of basketry body (1), is positioned at basketry body opening end below.
4. floated combined ecological filter bed according to claim 3 is characterized in that: wherein, water wing (2) is socketed in the outside of basketry body (1) through height adjustment assembly (3), forms the floating basket of lift.
5. floated combined ecological filter bed according to claim 3 is characterized in that: wherein, support net (4) is connected the inwall of basketry body (1), is positioned at 100mm place, basketry body opening end below.
6. floated combined ecological filter bed according to claim 1; It is characterized in that: wherein; Water distributor is made up of hydraulic pipe (9), atomizing water-distribution nozzle (10) and submersible pump (11); The bottom of hydraulic pipe (9) connects submersible pump (11), and atomizing water-distribution nozzle (10) is installed on the arm of hydraulic pipe (9).
7. floated combined ecological filter bed according to claim 6 is characterized in that: wherein, the atomizing water-distribution nozzle is the adjustable refraction sprinkler of flow, has flat fog effect, can in whole area coverage, evenly fall into water; Or other water-distributing device with same function also can adopt.
8. floated combined ecological filter bed according to claim 2 is characterized in that: wherein, floating pearl layer (6) surface laying plantation net (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200492604U CN202465398U (en) | 2012-02-16 | 2012-02-16 | Suspended combination ecological filter bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200492604U CN202465398U (en) | 2012-02-16 | 2012-02-16 | Suspended combination ecological filter bed |
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| CN202465398U true CN202465398U (en) | 2012-10-03 |
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| CN2012200492604U Expired - Fee Related CN202465398U (en) | 2012-02-16 | 2012-02-16 | Suspended combination ecological filter bed |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944675A (en) * | 2014-03-31 | 2015-09-30 | 刘德周 | Building block type modules of horizontal structure capable of continuous downstream filtration |
| CN105210978A (en) * | 2015-10-22 | 2016-01-06 | 中国水产科学研究院南海水产研究所 | A kind of prawn high-order breeding water body circularly purifying bacteria bed |
| CN106614148A (en) * | 2017-01-24 | 2017-05-10 | 河南师范大学 | Fish-vegetable symbiotic type ecological floating bed and raising method thereof |
| CN106818558A (en) * | 2017-01-24 | 2017-06-13 | 河南师范大学 | Plant-fish co-cultured type is biological floating bed and its method for breeding |
| CN114097466A (en) * | 2021-11-23 | 2022-03-01 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Coal mining subsidence area water ecological restoration system |
-
2012
- 2012-02-16 CN CN2012200492604U patent/CN202465398U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944675A (en) * | 2014-03-31 | 2015-09-30 | 刘德周 | Building block type modules of horizontal structure capable of continuous downstream filtration |
| CN105210978A (en) * | 2015-10-22 | 2016-01-06 | 中国水产科学研究院南海水产研究所 | A kind of prawn high-order breeding water body circularly purifying bacteria bed |
| CN106614148A (en) * | 2017-01-24 | 2017-05-10 | 河南师范大学 | Fish-vegetable symbiotic type ecological floating bed and raising method thereof |
| CN106818558A (en) * | 2017-01-24 | 2017-06-13 | 河南师范大学 | Plant-fish co-cultured type is biological floating bed and its method for breeding |
| CN114097466A (en) * | 2021-11-23 | 2022-03-01 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Coal mining subsidence area water ecological restoration system |
| CN114097466B (en) * | 2021-11-23 | 2022-09-27 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Coal mining subsidence area water ecological restoration system |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130216 |