CN106592732A - Saline-alkali soil drainage, storage, purifying, and recycling system based on sponge city - Google Patents
Saline-alkali soil drainage, storage, purifying, and recycling system based on sponge city Download PDFInfo
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- CN106592732A CN106592732A CN201710007671.4A CN201710007671A CN106592732A CN 106592732 A CN106592732 A CN 106592732A CN 201710007671 A CN201710007671 A CN 201710007671A CN 106592732 A CN106592732 A CN 106592732A
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- saline
- water
- plant
- purification
- alkali
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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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
Abstract
The invention discloses a saline-alkali soil drainage, storage, purifying, and recycling system based on a sponge city, comprising a purifying water storage channel, a saline-alkali water purifying pond, and a biological filtering pond; the purifying water storage channel comprises a channel body, wherein the top part of the channel body is provided with a slope, and slope plants are planted on the slope; the channel body is internally and orderly provided with a zeolite filler layer, a geotechnical cloth, a planting soil layer and a salt excretion plant; the bottom part of the zeolite filler layer is paved with a water collecting pipe; the saline-alkali water purifying plants are planted in the saline-alkali water purifying pond, and a plant floating block is arranged in the saline-alkali water purifying pond, and the bottom part of the plant floating block is provided with a mesh bag; the top part of the biological filtering pond is provided with a mixer with a cover, and a biological filler is arranged in the filler biological filtering pond. According to the invention, the concept of sponge city is infused to a water circle of the land around the city, the rainwater storage, purification and use of saline-alkali land is contained in the water cycle of the whole sponge city, thus the system is good for constructing a more comprehensive urban sponge body, and providing a new concept for governing the geological pollution of people.
Description
Technical field
The invention belongs to sewage disposal system field, and in particular to the purified treatment to saline-alkali water and eutrophic water body with follow
Ring is utilized, more particularly, to a kind of based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system.
Background technology
Saline-alkali soil refers to solonchak, alkaline earth and various salinization, the general designation of alkali-affected soil.The growth of its meeting serious harm crop,
Large area land resource is utilized, overall productivity in agriculture declines.There is large-area saline and alkaline soil in China, strengthens saline and alkaline
The prevention and improvement on ground is the important channel for improving China's agricultural development.The discharging mode in tradition plantation salt-soda soil is drenched for salt-soda soil
Wash water (including man-made irrigation water and rainwater) directly imports lake, river by escape canal, while also long-term remaining in irrigation canals and ditches
Substantial amounts of sewage.Not only saline and alkaline is higher for salt-soda soil institute displacement hull, while also remaining the nitrogen of substantial amounts of agricultural fertilizer, phosphorus unit
Element.Therefore, salt-soda soil discharge into water not only results in the eutrophication pollution to river, lake, while savings is in gutter
Saline-alkali water can also penetrate into salt-soda soil again, and Secondary Saline occurs with moisture evaporation, the leaching of irrigation water, rainwater is made
Substantially reduce, but also a certain degree of soil erosion can be caused.Traditional discharging mode is also very big while polluting
Waste water resource, the process of saline-alkali water, reuse have great importance for the saving and recycling of water resource.Currently
It is less about the technology of saline and alkaline water process, Constructed Wetland For Purifying water body is predominantly built, or builds BAF etc.
Carry out for urban water after sewage disposal, process that target, means are more single, reuse type not no for water body (irrigate,
Drip washing or urban water) staged care is carried out, and it is not carried out efficient circulation of the water body between purification, irrigation leaching, wave
Substantial amounts of water resource is taken.Therefore, exploitation with saline alkali land drainage staged care with recycle the device that combines and be conducive to
Realize the raising of water utilization rate, especially the area to shortage of fresh water, the stage purification of saline-alkali water with recycle
It is particularly important.
Sponge city is new generation of city storm water man- agement concept, refers to that city can have to water as sponge suitable well
Should be able to power be " elasticity " so as to environmental change and natural disaster can be better adapted to.Can absorb water when rainy, seep water, water-retention,
Water purification, catchment, the water release of storage is used when needing.It is currently applied to sponge urban construction device facility, is mostly
The midget plant of urban inner residential area is concentrated on, such as permeable road, stored water roof, water-retention garden etc., but, it is wide for being related to
The big plantation soil device facility that especially rainwater in salt-soda soil and irrigation water accumulation and purification are recycled is little.Meanwhile, in recent years
Come sunk type greenery patches, permeable road etc. to quickly grow, but application be still very narrow, and filler is more single, although infiltration ability compared with
By force, but it is difficult to purify rainwater, the rainwater of its accumulation is often through soil, the preliminary filtration of filler, water body
It is still the early-stage rainwater of pollution, causes the recycling of water body to be restricted, flows into river, lake and will also result in eutrophication dirt
Dye.Therefore study and develop suitable for vast plantation soil especially salt-soda soil while there is the device of water-retention, purification function
Can preferably realize to rainwater and field irrigation drip washing water reuse and reduce pollution, sponge urban construction is particularly weighed
Will.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided arrange in a kind of salt-soda soil based on sponge city
Water accumulation, purification and cyclic utilization system, among the theory in sponge city is dissolved into the water circulation in surrounding city soil, salt
The alkali ground accumulation of rainfall, purification, using the water circulation for bringing whole sponge city into, be conducive to building a more comprehensive city
City's spongy body, administers ecological pollution for people and provides a new thinking.
The purpose of the present invention is achieved through the following technical solutions.
The present invention based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, including being arranged at salt
The purification water-retention irrigation canals and ditches that alkali is located in, the purification water-retention irrigation canals and ditches are connected with the saline and alkaline water purifying tank connected with salt-soda soil, the salt
Aqueous alkali clarifier-tank is connected with the biofilter connected with municipal network pipeline；
The purification water-retention irrigation canals and ditches include irrigation canals and ditches main body, and the irrigation canals and ditches body top is provided with connection irrigation canals and ditches main body and saline and alkaline
The bank protection on ground, the bank protection kind are implanted with slope-protecting plant, the irrigation canals and ditches main body and are disposed with zeolite filler layer, soil from the bottom to top
Work cloth, plantation soil layer and salt-secreting plant, the zeolite filler layer bottom is equipped with collector pipe；
Plant in the saline and alkaline water purifying tank and be implanted with saline-alkali water purifying plant, in the saline and alkaline water purifying tank, be provided with plant drift
Floating block, the floating plant block bottom are provided with the mesh bag of internal filling filler cleanser；
The blender for adding a cover son is provided with the top of the biofilter, biology is provided with described filler biofilter and is filled out
Material.
The planting soil and biofermentation residue that the plantation soil layer is grown by suitable salt-secreting plant is mixed.
The saline-alkali water purifying plant includes salt-secreting plant, salt-tolerant plant and emergent aquactic plant.
The floating plant block includes that surrounding and bottom have the plastics floating block of water penetration, is filled with the plastics floating block
For the planting soil of plant growing.
Filler cleanser in the mesh bag includes industrial residue, humic acidss and the furfural dregs of calcium ions.
The saline and alkaline water purifying tank is set to inverted trapezoidal, and the biofilter is set to rectangle, the saline and alkaline water purifying tank
The lip that underground, the saline and alkaline water purifying tank and biofilter are respectively positioned on biofilter is above ground.
The biologic packing material be spherical filler with holes, filler Shang You Institute of Micro-biology need nutrient matrix.
Connected with lift pump by pipeline between the saline and alkaline water purifying tank and purification water-retention irrigation canals and ditches, the saline and alkaline Water warfare
Connected with lift pump by pipeline between pond and biofilter, pass through pipeline between the saline and alkaline water purifying tank and salt-soda soil and carry
Water pump is connected.
Compared with prior art, the beneficial effect brought by technical scheme is：
(1) present invention realizes the purification to salt-soda soil irrigation water and rainfall, accumulation and utilization, has fully demonstrated sponge city
The theory of ' storage, net, use ', brings salt-soda soil water circulation into sponge city so as to become one of whole sponge city water cycle
Point, reach and salt-soda soil water circulation is included a part for whole sponge city water cycle, builds a more comprehensive city
The purpose of spongy body；
(2) present invention achieves saline alkali land drainage has reached solution saline-alkali water for the staged care of different reuse types
Purified treatment is single, the indefinite purpose of target, while also having broken off relations the low problem of utilization ratio of device；
(3) reuse of the present invention based on saline-alkali water is irrigated and is not required to denitrogenation dephosphorizing, only need to reduce saline and alkaline, and the system reaches
The efficient reuse of saline-alkali water, the purpose for saving water source；
(4) material therefor industrial residue of the present invention and humic acid the like waste are cheap and easy to get, realize twice laid,
And there is relatively low operating cost；
(5), in the present invention, the filler cleanser in the mesh bag of floating plant block bottom is conveniently replaceable, and protects clean-up effect
Hold good and have relatively low maintenance cost；
(6), in the present invention, saline and alkaline water purifying tank not only plays the role of to neutralize saline and alkaline, and animals and plants therein can make
For the pretreatment pool of biofilter denitrogenation dephosphorizing, the load of biofilter is reduced, clean-up effect is more preferable；
(7) water body is constantly circulated between irrigating, purifying, and realizes salt-soda soil is repaiied while saline and alkaline is reduced
Multiple, improvement；
(8) present invention realizes the reuse to purifying water body while saline alkali land drainage is purified, and makes the repeatable profit of water body
With, be conducive to saving water resource, especially for the area of shortage of fresh water, the purified treatment of saline-alkali water is anticipated with recycling
Justice is great；
(9) as the saline alkali land drainage for purifying is used for urban water and is back to irrigation water, remittance river, lake are reduced
Deng sewage, reached reduction river, lake because of the discharge of the ditch water in a canal of rich Nitrogen-and Phosphorus-containing the purpose of eutrophication pollution.
Description of the drawings
Fig. 1 is the arrangement block diagram of the present invention；
Fig. 2 is the schematic diagram of purification water-retention irrigation canals and ditches in the present invention；
Fig. 3 is the schematic diagram of saline and alkaline water purifying tank in the present invention；
Fig. 4 is the schematic diagram of floating plant block in the present invention；
Fig. 5 is the schematic diagram of biofilter in the present invention.
Reference:1 irrigation canals and ditches main body；2 bank protections；3 slope-protecting plants；4 zeolite filler layers；5 geotextiles；6 kinds of plant soil layers；7 secrete
Salt plant；8 collector pipes；9 floating plant blocks；10 mesh bags；11 saline-alkali water purifying plants；12 lift pumps；13 lids；14 blenders；
15 biologic packing materials.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme is described in further detail.
The present invention be directed to saline-alkali water and eutrophic water body purified treatment with recycle problem, sponge urban construction and
Saline alkali land drainage purified treatment is combined, it is proposed that it is a kind of based on the saline alkali land drainage accumulation in sponge city, purify and recycle
System, as shown in figure 1, including purification water-retention irrigation canals and ditches, saline and alkaline water purifying tank and biofilter.The purification water-retention irrigation canals and ditches are arranged at
It is saline and alkaline to be located in, between the saline and alkaline water purifying tank and purification water-retention irrigation canals and ditches, between saline and alkaline water purifying tank and biofilter, saline-alkali water
Connected with lift pump 12 by pipeline between clarifier-tank and salt-soda soil, the biofilter is connected with municipal network pipeline.Fig. 1 illustrates
The sequence of flow of water body, cyclic process, the particular location for respectively constructing facility are changed.
As shown in Fig. 2 the purification water-retention irrigation canals and ditches include irrigation canals and ditches main body 1, the irrigation canals and ditches main body 1 is designed as rectangle, width
For 4 meters, it is highly 1.5 meters.Bank protection 2 is provided with the top of the irrigation canals and ditches main body 1, the bank protection 2 is used to connect irrigation canals and ditches main body 1 and salt
Alkali ground, 2 kinds of the bank protection are implanted with slope-protecting plant 3.The bank protection 2 is set to inclination angle 30-45 degree, about 10 meters of length, the shield
Runoff and side are oozed irrigation water not only for slope 2 and slope-protecting plant 3 and rainwater introduces irrigation canals and ditches main body 1, while also interception function, can have
Effect prevents erosion.The irrigation canals and ditches main body 1, bank protection 2 and slope-protecting plant 3 realize irrigation water and rainwater collect and under ooze
Filter and preliminary purification.
It is disposed with zeolite filler layer 4 in the irrigation canals and ditches main body 1 from the bottom to top, filters permeable geotextiles 5, plantation soil layer
6 and salt-secreting plant 7.4 bottom center of zeolite filler layer lays a collector pipe 8,8 end of collector pipe connection lift pump
12,12 other end connecting line of the lift pump leads to saline and alkaline water purifying tank.8 diameter of the collector pipe, 10 cm, tube wall
The pore of 3-5 millimeters is furnished with, when water-retention irrigation canals and ditches water-retention is purified, collector pipe 8 collects the sewage of irrigation canals and ditches main body 1, opens collector pipe 8
The lift pump 12 of connection, realizes the conveying of the sewage of irrigation canals and ditches main body 1 to saline and alkaline water purifying tank.4 thickness of zeolite filler layer is 1
Rice, 4 pairs of saline-alkali water of the zeolite filler layer have neutralization, can reduce the saline and alkaline of water body.The plantation soil layer 6 is about
0.5 meter, the planting soil and biofermentation residue that the plantation soil layer 6 is grown by suitable salt-secreting plant 7 is mixed, can be by 9：1
Mixing, wherein, planting soil plays a part of Filtration Adsorption, the acidic bio fermentation residue for containing further can reduce water body pH with
Salinity.The salt-secreting plant 7 has Absorption to salt, can tentatively reduce water salinity.
As shown in figure 3, the saline and alkaline water purifying tank is set to inverted trapezoidal structure, located underground, lip is slightly above
Face.The saline and alkaline water purifying tank side inclination angle is 30-40 degree, and bottom of pond length is 20 meters, and pond width is 15 meters, and pond is high 4 meters.Institute
State to plant in saline and alkaline water purifying tank and be implanted with saline-alkali water purifying plant 11, the saline-alkali water purifying plant 11 includes salt-secreting plant, salt tolerant
Plant and emergent aquactic plant etc..Floating in the saline and alkaline water purifying tank has floating plant block 9.As shown in figure 4, the floating plant block
9 are designed as rectangular configuration, and length is respectively 2 meters, 1.5 meters, 0.3 meter, quantity about 5, and the floating plant block 9 includes
There is the plastics floating block of preferable water penetration, plastics floating block surrounding and bottom to have tiny hole for surrounding and bottom, and the plastics are floated
Plant growing is supplied full of planting soil in block.
9 bottom of floating plant block hangs a mesh bag 10, about 3 cubic metres of 10 volume of the mesh bag, in the mesh bag 10
Equipped with filler cleanser, described filler cleanser includes the industrial residue of the calcium ions such as zeolite and ardealite, furfural dregs, humic
Sour the like waste, described filler cleanser can effectively reduce water body saline and alkaline, and the effect with the saline and alkaline soil of improvement.
As shown in figure 5, the biofilter is set to rectangular configuration, underground is respectively positioned on, lip is slightly above ground.Institute
The length for stating biofilter is respectively 10 meters, 10 meters, 3 meters, and cell body surrounding is steel and concrete structure, and biofilter quantity can arrange
For 2-3 seats.Equipped with the blender 14 for adding a cover son 13 at the top of the biofilter, the content that can control oxygen in biofilter is come
Different clean-up effects are reached, in the biofilter, add biologic packing material 15, the biologic packing material 15 is spherical porous filler,
The nutrient matrix that filler Shang You Institute of Micro-biology needs.When the lid 13 of biofilter is opened, blender 14 is in running status, this
When biologic packing material 15 be stirred to float and contact with oxygen, sink again afterwards, float, be so circulated, realize that microorganism is supported
And water body purification, similar to biological rotating disk.When lid 13 is closed, blender 14 is out of service, makes microorganism be in anaerobism shape
State, reaches the purpose of denitrogenation dephosphorizing.
The saline and alkaline water purifying tank and biofilter realize accumulation, purification and the reuse of classifying of irrigation water and rainwater.
Water body after the saline and alkaline water purifying tank process is back to the pouring washing water in salt-soda soil, with salt-soda soil, purification water-retention irrigation canals and ditches group
Into a water circulation system, circulation of the water body between salt-soda soil, purification water-retention irrigation canals and ditches and saline and alkaline water purifying tank can effectively reduce water
The saline and alkaline of body simultaneously carries out leaching to salt-soda soil.
The present invention draining accumulation, purify and recycle process：Certain irrigate or rainfall in, water body runoff and side
Bleed-through crosses bank protection 2, and slope-protecting plant 3 is tentatively intercepted, and reduces soil erosion.Purification water-retention is pooled to through the water body of bank protection 2
Irrigation canals and ditches, pass sequentially through salt-secreting plant 7, plantation soil layer 6, geotextiles 5 and zeolite filler layer 4 by lower permeable housing, obtain preliminary net
Change.The lift pump 12 of connection collector pipe 8 is opened when the water-retention in irrigation canals and ditches main body 1 there was not plantation soil layer 6, is made in irrigation canals and ditches main body 1
Water body saline and alkaline water purifying tank is transported to by underdrain pipe 8.Flow into the sewage of saline and alkaline water purifying tank by the plant in pond,
Soil, biology obtain a certain degree of purification, and now the filler cleanser in mesh bag 10 is contacted with water body, start to play reduction water
The effect of body saline and alkaline.Water body in the saline and alkaline water purifying tank is divided into following two parts and is used：
(1) when being irrigated, open connection irrigation pipeline lift pump 12, through purification water body by Pipeline transport extremely
Facility is poured in salt-soda soil, carries out irrigation, the drip washing in salt-soda soil with fresh water by a certain percentage, ratio can as needed with local fresh water
Resource situation is changed.Irrigate, washing water again passes by bank protection and imports purification water-retention irrigation canals and ditches, repeat above flow process, make water circulation.
(2) when the water body of saline and alkaline water purifying tank reaches 0.5 meter or so is pushed up apart from pond, open saline and alkaline water purifying tank and biology
Lift pump 12 between filter tank, water body are delivered to biofilter by lift pump 12 after the preliminary treatment of saline and alkaline water purifying tank.
After water body flows into biofilter, during beginning, the lid 13 of biofilter is in open mode, and blender 14 in stirring fortune
Row state, well into water body, the microorganism on biologic packing material 15 starts aerobic purification.Closing lid 13 afterwards makes at microorganism
In anaerobic state, biological removal Organic substance and denitrogenation dephosphorizing are and so on realized.Water body after the purification of biofilter is connect by pipeline
City planting ductwork supplies urban water.
The present invention not only realizes saline and alkaline Water warfare, the efficient circulation irrigated, and also achieves the classification to saline alkali land drainage
Process.Meanwhile, collection, accumulation, purification being oozed under having carried out to the salt-soda soil rainfall of surrounding city or inside and is recycled, which meets
Sponge the idea of the city, contributes to improving the water circulation in sponge city, builds a more perfect, efficient city spongy body.
Although above the present invention is described, above-mentioned specific embodiment be only it is schematic, without departing from
In the case of the present invention, many forms can also be made, be belonged within the protection of the present invention.
Claims (8)
1. based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, including be arranged at it is saline and alkaline be located in it is net
Change water-retention irrigation canals and ditches, it is characterised in that the purification water-retention irrigation canals and ditches are connected with the saline and alkaline water purifying tank connected with salt-soda soil, the salt
Aqueous alkali clarifier-tank is connected with the biofilter connected with municipal network pipeline；
The purification water-retention irrigation canals and ditches include irrigation canals and ditches main body, and the irrigation canals and ditches body top is provided with connection irrigation canals and ditches main body and salt-soda soil
Bank protection, the bank protection kind are implanted with slope-protecting plant, the irrigation canals and ditches main body and are disposed with zeolite filler layer, geotechnique from the bottom to top
Cloth, plantation soil layer and salt-secreting plant, the zeolite filler layer bottom is equipped with collector pipe；
Plant in the saline and alkaline water purifying tank and be implanted with saline-alkali water purifying plant, in the saline and alkaline water purifying tank, be provided with floating plant
Block, the floating plant block bottom are provided with the mesh bag of internal filling filler cleanser；
The blender for adding a cover son is provided with the top of the biofilter, described filler is provided with biologic packing material in biofilter.
2. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, the planting soil and biofermentation residue that the plantation soil layer is grown by suitable salt-secreting plant is mixed.
3. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, the saline-alkali water purifying plant includes salt-secreting plant, salt-tolerant plant and emergent aquactic plant.
4. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, the floating plant block includes that surrounding and bottom have the plastics floating block of water penetration, is filled with the plastics floating block
For the planting soil of plant growing.
5. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, the filler cleanser in the mesh bag includes industrial residue, humic acidss and the furfural dregs of calcium ions.
6. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, the saline and alkaline water purifying tank is set to inverted trapezoidal, the biofilter is set to rectangle, the saline and alkaline water purifying tank and
Biofilter is respectively positioned on the lip of underground, the saline and alkaline water purifying tank and biofilter and is above ground.
7. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, the biologic packing material be spherical filler with holes, filler Shang You Institute of Micro-biology need nutrient matrix.
8. according to claim 1 based on the saline alkali land drainage accumulation in sponge city, purification and cyclic utilization system, which is special
Levy and be, connected with lift pump by pipeline between the saline and alkaline water purifying tank and purification water-retention irrigation canals and ditches, the saline and alkaline Water warfare
Connected with lift pump by pipeline between pond and biofilter, pass through pipeline between the saline and alkaline water purifying tank and salt-soda soil and carry
Water pump is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007671.4A CN106592732A (en) | 2017-01-05 | 2017-01-05 | Saline-alkali soil drainage, storage, purifying, and recycling system based on sponge city |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710007671.4A CN106592732A (en) | 2017-01-05 | 2017-01-05 | Saline-alkali soil drainage, storage, purifying, and recycling system based on sponge city |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750504A (en) * | 2017-11-15 | 2018-03-06 | 潍坊友容实业有限公司 | Salt-soda soil reverse osmosis water process system for recycling |
| CN109874639A (en) * | 2019-03-21 | 2019-06-14 | 金陵科技学院 | A kind of farmland sand irrigation canals and ditches soil and water conservation works system |
| CN112956301A (en) * | 2021-01-30 | 2021-06-15 | 福建荣冠环境建设集团有限公司 | Construction technology for controlling salt return based on sponge ecological wetland |
| CN112970367A (en) * | 2021-02-04 | 2021-06-18 | 福建荣冠环境建设集团有限公司 | Technology for restoring saline-alkali soil by adopting ecological vegetation based on sponge city principle |
| CN114524520A (en) * | 2022-02-21 | 2022-05-24 | 中国水产科学研究院渔业机械仪器研究所 | Ecological modification method for saline-alkali discharge channel |
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| CN114524520A (en) * | 2022-02-21 | 2022-05-24 | 中国水产科学研究院渔业机械仪器研究所 | Ecological modification method for saline-alkali discharge channel |
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