CN209259778U - A kind of compounded mix artificial swamp of denitrogenation dephosphorizing - Google Patents
A kind of compounded mix artificial swamp of denitrogenation dephosphorizing Download PDFInfo
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- CN209259778U CN209259778U CN201821323038.2U CN201821323038U CN209259778U CN 209259778 U CN209259778 U CN 209259778U CN 201821323038 U CN201821323038 U CN 201821323038U CN 209259778 U CN209259778 U CN 209259778U
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Abstract
The utility model relates to technical field of sewage, and in particular to a kind of compounded mix artificial swamp of denitrogenation dephosphorizing, including the conditioning tank, vertical current constructed wetland and horizontal drowned flow artificial wet land set gradually by water (flow) direction；Conditioning tank includes reservoir and the water distributing trough for adjusting reservoir water yield and flow velocity；Water distributing trough water inlet end is connected to reservoir water outlet；The water inlet of vertical current constructed wetland is connected to water distributing trough water outlet；The water outlet of vertical current constructed wetland is connected to distributing channel water inlet end；Distributing channel water outlet is connected to the water inlet end of horizontal drowned flow artificial wet land；The position of distributing channel water outlet is higher than the position of distributing channel water inlet end；Vertical current constructed wetland is successively equipped with crushed rock filler layer, slow release carbon source packing layer and aluminium sludge media layer from bottom to top.It effectively solves the problems, such as that microorganism denitrification process carbon source is insufficient in artificial swamp, matrix is poor to phosphorus adsorption effect, alleviates artificial swamp substrate clogging problem, intensified denitrification and dephosphorization effect.
Description
Technical field
The utility model relates to technical field of sewage, and in particular to a kind of compounded mix Manual moist of denitrogenation dephosphorizing
Ground.
Background technique
The excessive input of current lake basins nitrogen, phosphorus becomes one of the main reason for leading to Water Environment In Lakes problem.In recent years
Come the improvement with urban wastewater treatment firm sewage disposal technology and the raising of efficiency, sewage has reached national emission standard, but this
A little sewage qualities are still super to be still higher by surface water quality standard several times, and sewage water is huge, and direct emission is to natural waters such as lakes
Body causes grave danger.
Artificial swamp because its stable effluent quality, low energy consumption, maintenance management facilitates the advantages that be widely applied.Artificial swamp pair
The purification of water quality mainly passes through absorption, the nitrification and denitrification process of microorganism and the absorption of matrix of wetland plant rhizome.
For urban wastewater treatment firm biochemical tail water, domestic sewage in rural areas and industrial wastewater etc., what is currently researched and developed is suitable for tail water
The artificial wet land system of advanced treating improves Nitrogen/Phosphorus Removal by base material improvement, plant selection, system optimization etc., but
Due in artificial swamp carbon source rate of release it is unstable cause denitrification process inhibit, be also easy to produce secondary pollution and artificial swamp
Traditional filler is undesirable to the adsorption effect of phosphorus and easy blocking, and the effluent quality after existing process is still in bad five
Class, treatment effect is not significant, and water outlet still has larger impact to natural water body.Wetland Substrate plays in denitrogenation dephosphorizing function at it
There is vital effect, reasonable Performance of Constructed Wetlands Substrates combined system can greatly improve the clean-up effect of wetland.
Utility model content
The application provides a kind of compounded mix artificial swamp of denitrogenation dephosphorizing, effectively solves the anti-nitre of microorganism in artificial swamp
Change process carbon source is insufficient, matrix is to the problem of phosphorus adsorption effect difference, alleviates artificial swamp substrate clogging problem, intensified denitrification and dephosphorization
Effect.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of denitrogenation dephosphorizing
Compounded mix artificial swamp, including the conditioning tank, vertical current constructed wetland and horizontal drowned flow artificial set gradually by water (flow) direction
Wetland；
Conditioning tank includes reservoir and the water distributing trough for adjusting reservoir water yield and flow velocity；The connection of water distributing trough water inlet end
In reservoir water outlet；
The water inlet of vertical current constructed wetland is connected to water distributing trough water outlet；The water outlet of vertical current constructed wetland is connected to
Distributing channel water inlet end；Distributing channel water outlet is connected to the water inlet end of horizontal drowned flow artificial wet land；The position of distributing channel water outlet is high
In the position of distributing channel water inlet end；
Vertical current constructed wetland is successively equipped with crushed rock filler layer, slow release carbon source packing layer and aluminium sludge media from bottom to top
Layer.
As the improved technical solution of the utility model, the pond body of reservoir be disposed with from bottom to top concrete layer,
Impervious barrier and blotter.
As the improved technical solution of the utility model, vertical current constructed wetland flows from top to bottom；Perpendicular flow artificial is wet
Overburden layer is additionally provided in ground on aluminium sludge media layer and plants the deep root bunch type plant in overburden layer, deep root bunch type
The planting density of plant is 25~30 plants/square metre.
As the improved technical solution of the utility model, the outer wall of vertical current constructed wetland include be arranged from top to bottom it is mixed
Solidifying soil layer and impervious barrier.
As the improved technical solution of the utility model, vertical current constructed wetland is successively equipped with crushed rock filler from bottom to top
Layer, slow release carbon source packing layer and aluminium sludge media layer；30~50mm of partial size of filler in crushed rock filler layer, laying height 20~
40cm；10~20mm of partial size of filler in slow release carbon source packing layer is laid with 15~35cm of height；Filler in aluminium sludge media layer
10~15mm of partial size is laid with 10~30cm of height.
As the improved technical solution of the utility model, the outer wall of horizontal drowned flow artificial wet land includes being arranged from top to bottom
Concrete layer and impervious barrier.
It include successively being laid in horizontal drowned flow artificial wet land from bottom to top as the improved technical solution of the utility model
Crushed rock filler layer, slow release carbon source packing layer and aluminium sludge media layer.
As the improved technical solution of the utility model, 20~40mm of partial size of filler in crushed rock filler layer is laid with height
15~35cm；10~15mm of partial size of filler in slow release carbon source packing layer is laid with 15~40cm of height；It is filled out in aluminium sludge media layer
3~8mm of partial size of material is laid with 10~25cm of height.
As the improved technical solution of the utility model, the top kind of aluminium sludge media layer is implanted with the scattered type plant of deep root,
The planting density of the deep scattered type plant of root is 35~45 plants/square metre.
The broken of the gravel formation that partial size is 40~50mm is equipped with as the improved technical solution of the utility model, in reservoir
Stone bed course.
Beneficial effect
At reinforcing by the preliminary adjusting of conditioning tank, vertical current constructed wetland and horizontal drowned flow artificial wet land compounded mix
The setting of reason and vertical current constructed wetland and horizontal drowned flow artificial wet land parameter, COD, TN in sewage treatment plant's biochemical tail water,
TP is effectively removed, and sewage drainage standard is significantly improved, and substantially reduces threat of the sewage to natural water bodies such as lakes.
Particularly, by the combination of aluminium sludge media and slow release carbon source filler, denitrification efficiency is improved, total nitrogen is reduced and contains
Amount, and have very strong adsorption capacity to phosphorus, hence it is evident that pollutant load in biochemical tail water is cut down, COD, TN, TP in water outlet are cut down
Rate reaches 60% or more.
Detailed description of the invention
Fig. 1 is a kind of overall flow schematic diagram of the compounded mix artificial swamp of denitrogenation dephosphorizing of the utility model, wherein 1 generation
Table conditioning tank；2 represent vertical current constructed wetland；3 represent horizontal drowned flow artificial wet land；
Fig. 2 is the structural schematic diagram of the conditioning tank in a kind of compounded mix artificial swamp of denitrogenation dephosphorizing of the utility model；
Wherein 11, water inlet pipe；12, impervious barrier；13, concrete layer；14, outlet pipe；15, water distributing trough；
Fig. 3 is the structure of the vertical current constructed wetland in a kind of compounded mix artificial swamp of denitrogenation dephosphorizing of the utility model
Schematic diagram；Wherein: 21, water distribution pipe；22, impervious barrier；23, concrete layer；24, deep root bunch type plant；25, aluminium sludge media
Layer；26, slow release carbon source packing layer；27, crushed rock filler layer；28, outlet pipe；29, distributing channel；210, inlet and outlet pipes.
Fig. 4 is the knot of the horizontal drowned flow artificial wet land in a kind of compounded mix artificial swamp of denitrogenation dephosphorizing of the utility model
Structure schematic diagram；Wherein 31, water inlet pipe；32, impervious barrier；33, concrete layer；34, the deep scattered type plant of root；35, aluminium sludge media
Layer；36, slow release carbon source packing layer；37, crushed rock filler layer；38, outlet pipe.
Specific embodiment
To keep the purpose and technical solution of the utility model embodiment clearer, implement below in conjunction with the utility model
The attached drawing of example, is clearly and completely described the technical solution of the utility model embodiment.Obviously, described embodiment
It is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the embodiments of the present invention,
Those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work belongs to practical
Novel protected range.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
Case study on implementation
The compounded mix artificial swamp of a kind of denitrogenation dephosphorizing as shown in Figure 1, including the tune set gradually by water (flow) direction
Save pond 1, vertical current constructed wetland 2 and horizontal drowned flow artificial wet land 3.
As shown in Fig. 2, conditioning tank is for adjusting higher level's water yield and flow velocity；The water inlet pipe 11 of conditioning tank and 14 phase of outlet pipe
To setting；Conditioning tank includes reservoir and the water distributing trough 15 for adjusting reservoir water yield and flow velocity；Water distributing trough water inlet end connects
Pass through reservoir water outlet (outlet pipe 14)；Pool bottom soil compression sets gradually concrete layer 13, impervious barrier from bottom to top
12；Blotter is laid in pond body, the water outlet of water distributing trough is arranged at the top of pond body, accesses by the water distributing trough of setting next
Grade system；The impervious barrier is made of two cloth, one film, and specification is 0.9mm or more；Blotter is the gravel of 40~50mm.
As shown in figure 3, vertical current constructed wetland flows from up to down, i.e., the top of vertical current constructed wetland is equipped with water distribution pipe
21, water distribution pipe is connected to the water outlet of water distributing trough, and to vertical current constructed wetland water distribution uniformity.
For convenience of water process, water distribution uniformity is arranged at the top of vertical current constructed wetland in the water distribution pipe 21 on surface, including even
Logical water inlet pipe, main water distributor and plug；Vertical current constructed wetland bottom is arranged multiple water outlets and accesses distributing channel 29.
Distributing channel 29 is equipped between vertical current constructed wetland and horizontal drowned flow artificial wet land.Delay in order to enable distributing channel has
The purpose of punching, aided filter, the position of distributing channel water outlet are higher than the position of distributing channel water inlet end.That is vertical current constructed wetland
Outlet pipe 28 is located at the lower section of vertical current constructed wetland, is connected to 29 lower end of distributing channel；Distributing channel upper end is equipped with inlet and outlet pipes
210；It is able to achieve by inlet and outlet pipes water inlet and vertical current constructed wetland is inversely cleaned.
The water inlet of vertical current constructed wetland is connected to water distributing trough water outlet；The water outlet of vertical current constructed wetland is connected to
Distributing channel water inlet end；Distributing channel water outlet is connected to the water inlet end of horizontal drowned flow artificial wet land；
Vertical current constructed wetland is successively equipped with crushed rock filler layer 27, slow release carbon source packing layer 26 and aluminium sludge from bottom to top
Packing layer 25；The outer wall of vertical current constructed wetland includes the concrete layer 23 and impervious barrier 22 being arranged from top to bottom；The antiseepage
Layer is made of two cloth, one film, and specification is 0.9mm or more.
Wherein, the combination of one or both of crushed rock filler layer choosing zeolite, gravel arbitrary volume ratio；
When concrete application, slow release carbon source filler includes each substance of following parts by weight:
40~60 parts of macroporous substances
15-30 parts of bond material
5~8 parts of modified corn core
10~20 parts of oyster shell powder；
Macroporous substances include one of porous zeolite, pelelith or steel slag or a variety of；
Bond material includes one of portland cement, red soil or flyash or a variety of.
When using the component materials as slow release carbon source filler, the slow release carbon source filler be by weight by permeability compared with
High macroporous substances, (preparation of 201810674764.7 method of Chinese patent, the patent are this list for bond material, modified corn core
Position application) and oyster shell powder in blender first carry out dry-mixed 10~30min, up to mixing is mixed thoroughly；By dry-mixed mixing
Predetermined ratio water (water enables dry-mixed mixing to moisten completely) is added to carry out 20~40min of wet mixing, until mixing quality is consistent, material
It is evenly dispersed between material, stand 1~2h；Mixing is placed in prepare in mold and is formed, after demoulding, is placed at shady and cool ventilation and is supported
Exist up to slow release carbon source filler wherein the modified corn core passes through 1%~2% volumetric concentration alkaline hydrogen peroxide within shield 3~10 days
90~100 DEG C of 2~3h of water bath with thermostatic control modifications are made.
Certain slow release carbon source filler also can be using the substances such as polyhydroxyalkanoates or flyash or in the prior art
What is able to achieve other any substances of same purpose.
The aluminium sludge media ingredient (for the prior art) and the preparation method comprises the following steps: zeolite or steel slag and water factory's aluminium sludge raw material
Stirring is granulated, and dries 2~3h at 105~120 DEG C to remove moisture removal, roast 6~8h manufacture in 500~600 DEG C of anaerobics and
At.
Further, vertical current constructed wetland be successively equipped with from bottom to top crushed rock filler layer, slow release carbon source packing layer with
Aluminium sludge media layer；30~50mm of partial size of filler in crushed rock filler layer is laid with 20~40cm of height；In slow release carbon source packing layer
10~20mm of partial size of filler is laid with 15~35cm of height；10~15mm of partial size of filler in aluminium sludge media layer is laid with height
10~30cm.It is realized to the control of the porosity of vertical current constructed wetland, and the cutout or blocking of vertical current constructed wetland are avoided.
In order to provide attachment place and oxygen and a small amount of carbon source, aluminium sludge media in vertical current constructed wetland for microorganism
It is additionally provided with overburden layer on layer and plants the deep root bunch type plant 24 in overburden layer, deep root bunch type plant 24 is giantreed
And/or wilson iris；The planting density of deep root bunch type plant is 25~30 plants/square metre.
Sewage enters vertical current constructed wetland from conditioning tank, successively crosses aerobic-anaerobic, and it is de- that nitrification and denitrification successively occurs
Nitrogen, the suction phosphorus of polyP bacteria release phosphorus, and the suction-operated of matrix, wherein denitrification denitrogenation accounts for leading process, and sewage is through distributing channel reoxygenation
Into two grades of horizontal drowned flow artificial wet land, horizontal drowned flow artificial wet land after same process, and this process dephosphorization account for it is leading, simultaneously
Along with denitrification process.
As shown in figure 4, water inlet pipe 31 is arranged at the top of the horizontal drowned flow artificial wet land, outlet pipe 38 is arranged in bottom；Water inlet
Pipe 31 is connected to distributing channel pipeline water outlet (inlet and outlet pipes 210)；Horizontal drowned flow artificial wet land includes pond body, filler, earthing in pond
Layer, the water plant for being planted in top and the outlet pipe for horizontal drowned flow artificial wet land water outlet.The wing of pond body is equipped with certainly
Impervious barrier 32 and concrete layer 33 are equipped on down.
Filler includes the crushed rock filler layer 37 being successively laid with from bottom to top, slow release carbon source in pond in horizontal drowned flow artificial wet land
Packing layer 36 and aluminium sludge media layer 35；The top of aluminium sludge media layer 35 is laid with overburden layer, and kind is implanted with deep root and dissipates in overburden layer
Raw type plant 34, the planting density of the deep scattered type plant of root are 35~45 plants/square metre；
20~40mm of partial size of filler in crushed rock filler layer is laid with 15~35cm of height；Filler in slow release carbon source packing layer
10~15mm of partial size, be laid with height 15~40cm；3~8mm of partial size of filler in aluminium sludge media layer, laying height 10~
25cm。
In, the combination of one or both of crushed rock filler layer choosing zeolite, gravel arbitrary volume ratio；
When concrete application, slow release carbon source filler includes each substance of following parts by weight:
40~60 parts of macroporous substances
15-30 parts of bond material
5~8 parts of modified corn core
10~20 parts of oyster shell powder；
Macroporous substances include one of porous zeolite, pelelith or steel slag or a variety of；
Bond material includes one of portland cement, red soil or flyash or a variety of.
Certain slow release carbon source filler also can be using the substances such as polyhydroxyalkanoates or flyash or in the prior art
What is able to achieve other any substances of same purpose.
In this way, sewage enters conditioning tank 1 by drainpipe 11, runoff investigation is carried out, while playing the role of buffering, kept away
It is excessive to subsequent processing generation percussion to exempt from water, can also play certain sedimentation effect, reduce Wetland clogging risk；
The water outlet of conditioning tank 1 enters vertical current people after water distributing trough is by 2 surface water distribution pipe 21 of vertical current constructed wetland
Work wetland, giantreed, wilson iris are planted in vertical current constructed wetland 2, and the deeper Root Distribution of the two can provide for microorganism
Adhere to place and oxygen and a small amount of carbon source, is conducive to the movable progress of microbial life；It is compound in vertical current constructed wetland
Filling system is the main undertaker of the movable main place of microbial life and denitrogenation dephosphorizing, wherein aluminium sludge media layer
25 and slow release carbon source packing layer 26 can be with high-efficient denitrification and dephosphorization, aluminium sludge media it is a kind of regenerated with zeolite or activity of steel slag it is compound
Material has preferable adsorption effect to phosphorus, while having certain removal effect to nitrogen and organic matter.And slow release carbon source filler is not only
Filler, the slow release carbon source for providing playground for microorganism, and being wrapped up can provide carbon for denitrifying bacterium denitrification
Source, while the other materials that the material prepared is added has both to the preferable assimilation effect of phosphorus；
Enter the further intensive treatment of horizontal drowned flow artificial wet land 3, horizontal drowned flow by the sewage of vertical current constructed wetland 2
The scattered type plant 34 of deep root of artificial swamp plantation is cattail, Scirpus tabernaemontani etc., and root system buries also relatively deeply, and dispersion growth provides between plant
More underground distributions；Due to the difference of drainage flow mode, current wetland composite filler particles partial size Relative vertical turning flow artificial
Wetland becomes smaller, and increases the accessible area of sewage and filtrate, while adjusting the filling proportion between filler, increases aluminium sludge media
The absorption of the ratio enhancing phosphorus of layer 35, the appropriate ratio for reducing slow release carbon source packing layer 36 are finally reached the effect to purify water.
In order to prove that the scheme of the application can be realized the processing to sewage, when concrete application, following processing side can be used
Method.
The compounded mix artificial marsh sewage treating method of denitrogenation dephosphorizing, comprising:
Conditioning tank is connected to source of sewage, adjusts water distributing trough, control water distributing trough flow into the effluent flow rate of vertical current constructed wetland with
The hydraulic surface loading for guaranteeing vertical current constructed wetland is 0.682~0.953m3/m2·d；
The crushed rock filler layer of vertical current constructed wetland, the loading of slow release carbon source packing layer and aluminium sludge media layer are controlled,
So that porosity is 0.33~0.52, while the length-width ratio that vertical current constructed wetland is arranged is (1~2.5): 1, sewage is vertical
Hydraulic detention time in artificial wetland is 12~for 24 hours；
Distributing channel is adjusted, control distributing channel flows into the flow velocity of horizontal drowned flow artificial wet land to guarantee horizontal drowned flow artificial wet land
Waterpower surface loading be 0.362~0.514m3/m2·d；The crushed rock filler layer of controlled level drowned flow artificial wet land, slow release carbon source
The loading of packing layer and aluminium sludge media layer, so that porosity is 0.45~0.68, length-width ratio is 3:(1~2), sewage is in water
The hydraulic detention time on flat drowned flow artificial wet land surface is 18~30h.
Concrete application are as follows:
Sewage plant biochemical tail water enters conditioning tank by drainage pipeline, carries out runoff investigation, while playing the role of buffering,
It avoids water excessive and percussion is generated to subsequent processing, can also play certain sedimentation effect, reduce Wetland clogging risk.It adjusts
Save pool unit, long 4m, lower bottom width 1m, upper bottom width 2m, high 1m；Conditioning tank water outlet passes through vertical current constructed wetland table by water distributing trough
Enter wet land filler after the water distribution pipe of face, water outlet enters next stage and handles after three layers of wet land filler act on.Perpendicular flow artificial is wet
The hydraulic surface loading of ground southern area is 0.752m3/m2.d, hydraulic detention time 18h, long 3m, wide 1.5m, high 1.0m are filled out
Expect that porosity is 0.42, start-up is carried out using sewage plant activated sludge, wetland plant is using deep root bunch type, planting density
For 25 plants/square metre.The waterpower surface loading of horizontal drowned flow artificial wet land is 0.435m3/m2.d, hydraulic detention time 18h,
Unit long 5m, wide 2m, high 0.6m, filler porosity are 0.51, carry out start-up, wetland plant using sewage plant activated sludge
The scattered type of deep root is selected, planting density is 40 plants/square metre.
Wherein, it intakes as certain sewage treatment plant tail water, influent quality is COD 43.2mg/L, TN 15.6mg/L, TP
0.6mg/L, effluent quality are COD 16.5mg/L, TN 4.3mg/L, TP 0.23mg/L.By compound through intensified denitrification and dephosphorization
The implementation of packing artificial wetland, the pollutant concentrations such as COD, TN, TP in tail water are remarkably decreased, and outlet water at tail end pollutional load is cut down
Rate reaches 60% or more, and water quality is obviously improved.
Although the utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality
It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art
Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.
Claims (10)
1. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing, which is characterized in that including the adjusting set gradually by water (flow) direction
Pond, vertical current constructed wetland and horizontal drowned flow artificial wet land；
Conditioning tank includes reservoir and the water distributing trough for adjusting reservoir water yield and flow velocity；Water distributing trough water inlet end is connected to storage
Pond outlet；
The water inlet of vertical current constructed wetland is connected to water distributing trough water outlet；The water outlet of vertical current constructed wetland is connected to water distribution
Canal water inlet end；Distributing channel water outlet is connected to the water inlet end of horizontal drowned flow artificial wet land；The position of distributing channel water outlet is higher than and matches
The position of water channel water inlet end；
Vertical current constructed wetland is successively equipped with crushed rock filler layer, slow release carbon source packing layer and aluminium sludge media layer from bottom to top.
2. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that the pond of reservoir
Body is disposed with concrete layer, impervious barrier and blotter from bottom to top.
3. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that perpendicular flow artificial
Wetland flows from top to bottom；Overburden layer and plantation are additionally provided in vertical current constructed wetland on aluminium sludge media layer in overburden layer
In deep root bunch type plant, the planting density of deep root bunch type plant is 25~30 plants/square metre.
4. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that perpendicular flow artificial
The outer wall of wetland includes the concrete layer and impervious barrier being arranged from top to bottom.
5. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that perpendicular flow artificial
Wetland is successively equipped with crushed rock filler layer, slow release carbon source packing layer and aluminium sludge media layer from bottom to top；It is filled out in crushed rock filler layer
30~50mm of partial size of material is laid with 20~40cm of height；10~20mm of partial size of filler in slow release carbon source packing layer is laid with height
15~35cm；10~15mm of partial size of filler in aluminium sludge media layer is laid with 10~30cm of height.
6. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that horizontal drowned flow people
The outer wall of work wetland includes the concrete layer and impervious barrier being arranged from top to bottom.
7. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that horizontal drowned flow people
It include crushed rock filler layer, slow release carbon source packing layer and the aluminium sludge media layer being successively laid with from bottom to top in work wetland.
8. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 7, which is characterized in that crushed rock filler layer
20~40mm of partial size of middle filler is laid with 15~35cm of height；10~15mm of partial size of filler in slow release carbon source packing layer is laid with
Highly 15~40cm；3~8mm of partial size of filler in aluminium sludge media layer is laid with 10~25cm of height.
9. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 7, which is characterized in that aluminium sludge media
The top kind of layer is implanted with the scattered type plant of deep root, and the planting density of the deep scattered type plant of root is 35~45 plants/square metre.
10. a kind of compounded mix artificial swamp of denitrogenation dephosphorizing according to claim 1, which is characterized in that in reservoir
The blotter formed equipped with the gravel that partial size is 40~50mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081446A (en) * | 2018-08-16 | 2018-12-25 | 江苏龙腾工程设计股份有限公司 | A kind of the compounded mix artificial swamp and sewage water treatment method of denitrogenation dephosphorizing |
| CN113526784A (en) * | 2021-06-03 | 2021-10-22 | 哈尔滨工业大学（深圳） | Ecological purification tank for deep nitrogen and phosphorus removal of water body and application |
-
2018
- 2018-08-16 CN CN201821323038.2U patent/CN209259778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081446A (en) * | 2018-08-16 | 2018-12-25 | 江苏龙腾工程设计股份有限公司 | A kind of the compounded mix artificial swamp and sewage water treatment method of denitrogenation dephosphorizing |
| CN113526784A (en) * | 2021-06-03 | 2021-10-22 | 哈尔滨工业大学（深圳） | Ecological purification tank for deep nitrogen and phosphorus removal of water body and application |
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