CN205740677U - A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus - Google Patents

A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus Download PDF

Info

Publication number
CN205740677U
CN205740677U CN201620607162.6U CN201620607162U CN205740677U CN 205740677 U CN205740677 U CN 205740677U CN 201620607162 U CN201620607162 U CN 201620607162U CN 205740677 U CN205740677 U CN 205740677U
Authority
CN
China
Prior art keywords
layer
nitrogen
phosphorus
water
shunting
Prior art date
Application number
CN201620607162.6U
Other languages
Chinese (zh)
Inventor
黄倩倩
俞俐敏
Original Assignee
江西省永安建设有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江西省永安建设有限公司 filed Critical 江西省永安建设有限公司
Priority to CN201620607162.6U priority Critical patent/CN205740677U/en
Application granted granted Critical
Publication of CN205740677U publication Critical patent/CN205740677U/en

Links

Abstract

The utility model discloses a kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus, it relates to technical field of sewage;Layer of plants is arranged below water distribution layer, and water distribution layer is arranged below nitrification layer, and nitrification layer is arranged below the double aeration layer of shunting, the double aeration layer of shunting is arranged below water-bearing layer, water-bearing layer is arranged below denitrification layer, and denitrification layer is arranged below dephosphorization layer, and dephosphorization layer is arranged below the drainage blanket that catchments.This utility model has the beneficial effect that it is loaded by multiple filler mixture or layering and improves permeance property, in case locking system blocking;By reducing the invalid space of system, add activated sludge cake and improve the bacterial content of internal system, increase Fe C light electrolysis layer, thus hydraulic load is greatly improved;By arranging shunting layer, shunt a part of high carbon source sewage to lower floor, thus improve denitrification denitrogenation efficiency without additional carbon;By adding sawdust, the denitrification demand to carbon source can be supplemented when shunting is not enough by slow release carbon source;By increasing dephosphorization layer, to improve the adsorption capacity of P elements.

Description

A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus
Technical field
This utility model relates to technical field of sewage, is specifically related to a kind of multimedium ground with high removal efficiency of nitrogen and phosphorus Lower percolation sewage treatment apparatus.
Background technology
The water resource of China is the shortest, and particularly area, villages and small towns faces water quality deterioration, and wastewater treatment rate is the highest, and process reaches The problems such as mark rate is low, and large-scale wastewater treatment plant construction investment and financing is difficult and operating cost is high.For the problems referred to above in villages and small towns, decentralized Sewage disposal technology subsurface infiltration technology is arisen at the historic moment, and University Of Shenyang, Guangzhou Di Huasuodeng mechanism of the Chinese Academy of Sciences are to this technology Carry out relatively in-depth study, and achieve certain popularization achievement.Although it is low that this technology has operating cost, COD clearance Advantages of higher, has obtained being widely recognized as of society, but the development of this technology is the most ripe, still suffers from many problems.Existing The technology promoted mainly faces four problems: filter layer easily blocks and causes thrashing, and hydraulic load is low to be caused taking up an area greatly, instead Nitrification is suppressed causes denitrification effect poor, and filling adsorption capacity is low causes phosphorus to penetrate too early.
Summary of the invention
The purpose of this utility model is to provide a kind of multimedium subsurface infiltration sewage disposal dress with high removal efficiency of nitrogen and phosphorus Putting, it is loaded by multiple filler mixture or layering improves permeance property, in case locking system blocking;By reducing the invalid of system Space, adds activated sludge cake and improves the bacterial content of internal system, increases Fe-C light electrolysis layer, thus waterpower is greatly improved and bears Lotus;By arranging shunting layer, shunt a part of high carbon source sewage to lower floor, thus improve denitrification denitrogenation effect without additional carbon Rate;By adding sawdust, the denitrification demand to carbon source can be supplemented when shunting is not enough by slow release carbon source;Removed by increase Phosphorous layer, to improve the adsorption capacity of P elements.
In order to solve the problem existing for background technology, this utility model is by the following technical solutions: it comprises plant Layer, water distribution layer, nitrification layer, shunting hold concurrently aeration layer, water-bearing layer, denitrification layer, dephosphorization layer, catchment drainage blanket;Set below layer of plants Having water distribution layer, water distribution layer that nitrification layer is arranged below, nitrification layer is arranged below the double aeration layer of shunting, and the double aeration layer of shunting is arranged below Water-bearing layer, water-bearing layer is arranged below denitrification layer, and denitrification layer is arranged below dephosphorization layer, and dephosphorization layer is arranged below draining of catchmenting Layer.
Described layer of plants thickness is 100-200mm, and layer of plants is by watermifoil and Medulla Junci, Herba Reineckeae Carneae, Festuca Arundinacea, knot thread One or more companion plantings in grass.
Described water distribution layer thickness is 100-200mm, and water distribution layer is made up of the PVC perforated pipe that spacing is 300-500mm, Grit and rubble it is filled with between the pipe of perforated pipe.
Described nitrification layer thickness is 200-300mm, and nitrification layer is added activated sludge cake and meadow burozem, red by Fe-C pelletizing One or more layered combination in earth, three kinds of fillers of sandy soil.
Described shunting aeration layer thickness of holding concurrently is 100-200mm, and shunting aeration layer of holding concurrently is the PVC of 500-1000mm by spacing Perforated pipe composition, it is filled with grit and rubble between the pipe of perforated pipe.
Described water-bearing layer thickness is 10-100mm, and water-bearing layer is made up of high water-permeability sponge.
Described denitrification layer thickness is 200-500mm, and denitrification layer is by sawdust and the one in the peat composed of rotten mosses, red soil, sandy soil Or several layering or mixture combine.
Described dephosphorization layer thickness is 100-200mm, dephosphorization layer by iron ore, sponge iron, Vermiculitum, Dali rubble, slag, Two or more mixtures in flyash, PAC, loess, red soil.
The described drainage blanket thickness that catchments is 200-300mm, and the drainage blanket that catchments is by the PVC perforation that spacing is 500-1000mm Pipe composition, it is filled with rubble between the pipe of perforated pipe.
After using said structure, this utility model has the beneficial effect that it is loaded by multiple filler mixture or layering and improves Permeance property, in case locking system blocking;By reducing the invalid space of system, add activated sludge cake and improve the thin of internal system Bacterial content, increases Fe-C light electrolysis layer, thus hydraulic load is greatly improved;By arranging shunting layer, shunt a part of high carbon source Sewage is to lower floor, thus improves denitrification denitrogenation efficiency without additional carbon;By adding sawdust, can be logical when shunting is not enough Cross slow release carbon source and supplement the denitrification demand to carbon source;By increasing dephosphorization layer, to improve the adsorption capacity of P elements.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-layer of plants;2-water distribution layer;3-nitrification layer;The double aeration layer of 4-shunting;5-water-bearing layer;6-denitrification layer;7-dephosphorization Layer;8-catchments drainage blanket.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and concrete Embodiment, is further elaborated to this utility model.Should be appreciated that detailed description of the invention described herein is only used To explain this utility model, it is not used to limit this utility model.
As it is shown in figure 1, this detailed description of the invention adopts the following technical scheme that it comprises layer of plants 1, water distribution layer 2, nitrification layer 3, shunt hold concurrently aeration layer 4, water-bearing layer 5, denitrification layer 6, dephosphorization layer 7, catchment drainage blanket 8;Layer of plants 1 is arranged below water distribution layer 2, Water distribution layer 2 is arranged below nitrification layer 3, and nitrification layer 3 is arranged below the double aeration layer 4 of shunting, and the double aeration layer 4 of shunting is arranged below aqueous Layer 5, water-bearing layer 5 is arranged below denitrification layer 6, and denitrification layer 6 is arranged below dephosphorization layer 7, and dephosphorization layer 7 is arranged below draining of catchmenting Layer 8.
Described layer of plants 1 thickness is 100-200mm, and layer of plants 1 is by watermifoil and Medulla Junci, Herba Reineckeae Carneae, Festuca Arundinacea, knot One or more companion plantings in grass in detail.
Described water distribution layer 2 thickness is 100-200mm, and water distribution layer 2 is made up of the PVC perforated pipe that spacing is 300-500mm , it is filled with grit and rubble between the pipe of perforated pipe.
Described nitrification layer 3 thickness is 200-300mm, nitrification layer 3 by Fe-C pelletizing add activated sludge cake and meadow burozem, One or more layered combination in red soil, three kinds of fillers of sandy soil.
Described shunting aeration layer 4 thickness of holding concurrently is 100-200mm, and shunting aeration layer 4 of holding concurrently is 500-1000mm's by spacing PVC perforated pipe composition, it is filled with grit and rubble between the pipe of perforated pipe.
Described water-bearing layer 5 thickness is 10-100mm, and water-bearing layer 5 is made up of high water-permeability sponge.
Described denitrification layer 6 thickness is 200-500mm, and denitrification layer 6 is by sawdust and in the peat composed of rotten mosses, red soil, sandy soil Kind or several layering or mixture combine.
Described dephosphorization layer 7 thickness is 100-200mm, and dephosphorization layer 7 is by iron ore, sponge iron, Vermiculitum, Dali rubble, steel Two or more mixtures in slag, flyash, PAC, loess, red soil.
Described drainage blanket 8 thickness that catchments is 200-300mm, and the drainage blanket 8 that catchments is worn by the PVC that spacing is 500-1000mm Hole pipe composition, it is filled with rubble between the pipe of perforated pipe.
The operation principle of this detailed description of the invention is: the main plant in layer of plants 1 is " the purification essence of great sight Spirit " watermifoil, the Main Function of layer of plants 1 is one-level denitrogenation dephosphorizing, and self-regulation pond or anaerobic pond sewage out contains Higher ammonium nitrogen, is absorbed by root system of plant, the preliminary content reducing nitrogen element, in addition by the capillarity of root system, also System water distribution can be made more uniform.The plants such as watermifoil also have ornamental value;The Main Function of water distribution layer 2 is uniform cloth Water, can carry root system of plant simultaneously, and root system can be as the carrier of antibacterial;Fe-C pelletizing in nitrification layer 3 refers to that commercially available ferrum charcoal is filled out Material or the compound of slag and straw charcoal, it efficiently removes the COD in sewage, the activity in nitrification layer 3 by light electrolysis principle Sludge cake refers to the mummification product after the sludge press filtration of water treatment plant, and its Main Function is next by improving the bacteria containing amount of system Improve COD and the clearance of ammonia nitrogen;The Main Function of the double aeration layer 4 of shunting is water distribution uniformity and aeration, shunting water distribution and aeration Process is alternately;The effect in water-bearing layer 5 is with the passage risen to denitrifying gaseous products, and blocking oxygen enters anti-simultaneously Nitrification layer 6;In denitrification layer 6, sawdust functions as slow release carbon source, supply Denitrification use;The effect of dephosphorization layer 7 Mainly by the P elements in the fixing water of the effects such as absorption or flocculation, complexation.
The above, is only in order to the technical solution of the utility model to be described and unrestricted, those of ordinary skill in the art couple Other amendment or equivalent that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope, all should contain in the middle of right of the present utility model.

Claims (9)

1. a multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus, it is characterised in that it comprises plant Layer, water distribution layer, nitrification layer, shunting hold concurrently aeration layer, water-bearing layer, denitrification layer, dephosphorization layer, catchment drainage blanket;Set below layer of plants Having water distribution layer, water distribution layer that nitrification layer is arranged below, nitrification layer is arranged below the double aeration layer of shunting, and the double aeration layer of shunting is arranged below Water-bearing layer, water-bearing layer is arranged below denitrification layer, and denitrification layer is arranged below dephosphorization layer, and dephosphorization layer is arranged below draining of catchmenting Layer.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The layer of plants thickness being characterised by described is 100-200mm, and layer of plants is by watermifoil and Medulla Junci, Herba Reineckeae Carneae, Festuca Arundinacea, knot thread One or more companion plantings in grass.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The water distribution layer thickness being characterised by described is 100-200mm, and water distribution layer is made up of the PVC perforated pipe that spacing is 300-500mm, Grit and rubble it is filled with between the pipe of perforated pipe.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The nitrification layer thickness being characterised by described is 200-300mm, and nitrification layer is added activated sludge cake and meadow burozem, red by Fe-C pelletizing One or more layered combination in earth, three kinds of fillers of sandy soil.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The shunting being characterised by described aeration layer thickness of holding concurrently is 100-200mm, and shunting aeration layer of holding concurrently is the PVC of 500-1000mm by spacing Perforated pipe composition, it is filled with grit and rubble between the pipe of perforated pipe.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The water-bearing layer thickness being characterised by described is 10-100mm, and water-bearing layer is made up of high water-permeability sponge.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The denitrification layer thickness being characterised by described is 200-500mm, and denitrification layer is by sawdust and the one in the peat composed of rotten mosses, red soil, sandy soil Or several layering or mixture combine.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The dephosphorization layer thickness being characterised by described is 100-200mm, dephosphorization layer by iron ore, sponge iron, Vermiculitum, Dali rubble, slag, Two or more mixtures in flyash, PAC, loess, red soil.
A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus the most according to claim 1, its The drainage blanket thickness that catchments being characterised by described is 200-300mm, and the drainage blanket that catchments is by the PVC perforation that spacing is 500-1000mm Pipe composition, it is filled with rubble between the pipe of perforated pipe.
CN201620607162.6U 2016-06-21 2016-06-21 A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus CN205740677U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620607162.6U CN205740677U (en) 2016-06-21 2016-06-21 A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620607162.6U CN205740677U (en) 2016-06-21 2016-06-21 A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus

Publications (1)

Publication Number Publication Date
CN205740677U true CN205740677U (en) 2016-11-30

Family

ID=57387113

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620607162.6U CN205740677U (en) 2016-06-21 2016-06-21 A kind of multimedium subsurface infiltration sewage-treatment plant with high removal efficiency of nitrogen and phosphorus

Country Status (1)

Country Link
CN (1) CN205740677U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107540159A (en) * 2017-09-29 2018-01-05 路域生态工程有限公司 A kind of system and method for enhanced type filtration system treatment of sewage in expressway service
CN107739095A (en) * 2017-11-22 2018-02-27 路域生态工程有限公司 A kind of anti-blocking medium enhanced type rapid diafiltration sewage treating system
CN108126636A (en) * 2017-12-21 2018-06-08 张大玲 A kind of chemical-biological cooperates with denitrogenation dephosphorizing reactor
CN109111045A (en) * 2018-09-20 2019-01-01 北京师范大学 A kind of intensified anti-nitrated denitrogenation dephosphorizing diafiltration bed system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107540159A (en) * 2017-09-29 2018-01-05 路域生态工程有限公司 A kind of system and method for enhanced type filtration system treatment of sewage in expressway service
CN107739095A (en) * 2017-11-22 2018-02-27 路域生态工程有限公司 A kind of anti-blocking medium enhanced type rapid diafiltration sewage treating system
CN108126636A (en) * 2017-12-21 2018-06-08 张大玲 A kind of chemical-biological cooperates with denitrogenation dephosphorizing reactor
CN109111045A (en) * 2018-09-20 2019-01-01 北京师范大学 A kind of intensified anti-nitrated denitrogenation dephosphorizing diafiltration bed system
CN109111045B (en) * 2018-09-20 2020-09-29 北京师范大学 Enhanced denitrification and dephosphorization percolation bed system

Similar Documents

Publication Publication Date Title
Vymazal The use of hybrid constructed wetlands for wastewater treatment with special attention to nitrogen removal: a review of a recent development
Prodanovic et al. Green walls for greywater reuse: Understanding the role of media on pollutant removal
CN205275309U (en) Sewage treatment plant tail water degree of depth processing system
CN104098231B (en) A kind of immobilized microorganism artificial wet land system
Vymazal Horizontal sub-surface flow and hybrid constructed wetlands systems for wastewater treatment
CN101456652B (en) Device of depth denitrogen and phosphorus removal composite processing system by micro-power and method thereof
CN100415662C (en) System and process for sawage treating with baffling wet land filtering tank and rateral underflow wet land bed
CN102251459B (en) System for carrying out collection, purification and utilization on rainwater on road surfaces
Wang et al. A full-scale treatment of freeway toll-gate domestic sewage using ecology filter integrated constructed rapid infiltration
CN202881048U (en) Multi-medium constructed wetland water treatment system
CN105712599B (en) A kind of landscape water body sediment repairing agent, method of preparation and use
CN104085990B (en) A kind of auxiliary highway facilities sewage multimedium biological and ecological coprocessing system and method
CN101979343B (en) Process for treating landscape water eutrophication
CN201952325U (en) Stepwise function-reinforced biological ecological oxidation pond
CN103936161B (en) A kind of plant carbon source strengthened artificial wet land that utilizes is to the method and system of low-carbon high-nitrogen sewage denitrogenation
CN107445422A (en) A kind of pollution of river bed mud ecological restoring method
CN103910463A (en) Novel process for BC urban sewage treatment
CN101987760B (en) Horizontal underflow constructed wetland capable of strengthening denitrification at low temperature
CN103253822B (en) Compound constructed wetland tail water treatment system
CN103588362B (en) Composite vertical current constructed wetland system
CN107055754A (en) A kind of circulation Zero-valent Iron biofilter of intensive treatment domestic sewage in rural areas
CN1673122A (en) Efficient ecological waste water treating apparatus and method
CN202246266U (en) Device for purifying water body by constructed wetland
CN103613240B (en) The device and method of multi-stage ecological sewage purification treatment
CN104098232B (en) A kind of assembled aerobic-anaerobic artificial wet land system

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161130

Termination date: 20170621

CF01 Termination of patent right due to non-payment of annual fee