CN214031900U

CN214031900U - Ecological infiltration system

Info

Publication number: CN214031900U
Application number: CN202023137858.2U
Authority: CN
Inventors: 吴进; 张可; 陈婷婷; 封丽; 姚源; 廖伟伶; 余义昌; 许林季
Original assignee: Chongqing Academy Of Eco-Environmental Sciences
Current assignee: Chongqing Academy Of Eco-Environmental Sciences
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-24
Anticipated expiration: 2030-12-23

Abstract

The application discloses ecological filtration system, including at least one single-stage ecological filtration system, wherein, single-stage ecological filtration system is including setting up the first filter material layer on former soil bearing layer, and cover in proper order spacing layer, the second filter material layer on first filter material layer upper portion and planting soil layer, it has the purification plant to plant in the planting soil layer, first filter material layer the spacing layer with all have the microorganism that can get rid of the pollutant in the second filter material layer. The application provides an above-mentioned ecological filtration system can change the peripheral natural bank slope soil structure of water, promotes the natural filtration effect, plays the interception effect to the pollutant that carries in the surface runoff to can purify the pollutant in the surface runoff, reduce the pollutant total amount that the surface runoff got into groundwater.

Description

Ecological infiltration system

Technical Field

The utility model belongs to the technical field of the water purifies, especially relate to an ecological filtration system.

Background

Since river water has a characteristic of flowing, the ecosystem of a river is easily affected by external pollutants, and once pollution occurs, the pollution easily spreads to the whole river basin, and can affect the ecology of the surrounding land, the ecology of underground water, the ecology of lake reservoirs, and the ecology of the downstream estuaries, gulfs and oceans.

The pollution of rivers is mainly caused by the following aspects: firstly, industrial pollution needs a large amount of water in the industrial process, the water brings a large amount of pollutants into rivers, circulating water of a power plant can cause thermal pollution, secondly, urban life pollution is caused, the functions of the initial cities and towns are imperfect, river pollution can be caused when a large amount of rainwater, domestic sewage and garbage enter the rivers, thirdly, river pollution can be caused by modern agricultural development, a large amount of pesticides and chemical fertilizers are used in agriculture, inflow of a large amount of chemical fertilizers can cause large growth of plants in the rivers, eutrophication of water bodies is caused, the pesticides can cause short-term or long-term harm to aquatic organisms, and in addition, excrement, sewage, garbage and the like formed in the processes of livestock breeding, slaughtering and the like are also included. Modern society pays more and more attention to the treatment of water body pollution such as rivers, however, there is not an effective system that utilizes ecological mode to get rid of water body pollution in the prior art yet.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an ecological infiltration system can change the soil structure of the peripheral natural bank slope of water, promotes the natural infiltration effect, plays the interception effect to the pollutant that carries in the surface runoff to can purify the pollutant in the surface runoff, reduce the pollutant total amount that the surface runoff got into groundwater.

The utility model provides a pair of ecological filtration system, including at least one single-stage ecological filtration system, wherein, single-stage ecological filtration system is including setting up the first filtering material layer on former soil bearing layer, and cover in proper order spacing layer, second filtering material layer and planting soil layer on first filtering material layer upper portion, it has the purification plant to plant in the planting soil layer, first filtering material layer the spacing layer with all have the microorganism that can get rid of the pollutant in the second filtering material layer.

Preferably, in the above ecological infiltration system, the first filter material layer and the second filter material layer are a slag layer or a waste filler layer of a sewage plant.

Preferably, in the above ecological infiltration system, the thickness of the first filter material layer and the second filter material layer is 5 cm to 10 cm.

Preferably, in the above ecological infiltration system, the microorganisms include aerobic microorganisms and/or facultative microorganisms and/or anaerobic microorganisms.

Preferably, in the above ecological infiltration system, the thickness of the spacer layer ranges from 5 cm to 10 cm.

Preferably, in the above ecological infiltration system, the planting soil layer is a purplish red mudstone layer.

Preferably, in the above ecological infiltration system, the thickness of the planting soil layer ranges from 10 cm to 15 cm.

Preferably, in the above ecological infiltration system, the purification plant comprises droughhaired parasol herb and/or canna indica and/or iris tectorum and/or calamus and/or reed and/or ramose scouring rush herb.

Preferably, in the above ecological infiltration system, more than 2 single-stage ecological infiltration systems are included.

According to the above description, the utility model provides an above-mentioned ecological filtration system because single-stage ecological filtration system is including setting up the first filter material layer on the native bearer layer, and cover in proper order spacing layer, the second filter material layer on first filter material layer upper portion and planting soil layer, it purifies the plant to plant in the planting soil layer, first filter material layer the spacing layer with all have the microorganism that can get rid of the pollutant in the second filter material layer, consequently can utilize this to purify the soil structure that the plant changes the peripheral natural bank slope of water, can promote the natural percolation effect moreover, play the interception effect to the pollutant that carries in the surface runoff to can purify the pollutant in the surface runoff through the microorganism, reduce the pollutant total amount that the surface runoff got into the water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of an embodiment of an ecological infiltration system provided by the present invention.

Detailed Description

The core of the utility model is to provide an ecological filtration system can change the soil structure of the peripheral natural bank slope of water, promotes the natural filtration effect, plays the interception effect to the pollutant that carries in the surface runoff to can purify the pollutant in the surface runoff, reduce the pollutant total amount that the surface runoff got into groundwater.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an embodiment of an ecological filtration system is shown in fig. 1, fig. 1 is the utility model provides a schematic diagram of an ecological filtration system's embodiment, this system includes at least one single-stage ecological filtration system, that is to say, can include a single-stage ecological filtration system, also can include two or more single-stage ecological filtration systems, this all can be according to actual need and free choice, wherein, single-stage ecological filtration system is including setting up the first filter material layer 2 on native bearing layer 1, and cover in proper order at the wall 3 on first filter material layer 2 upper portion, second filter material layer 4 and planting soil layer 5, plant in planting soil layer 5 and have purification plant 6, all have the microorganism that can get rid of the pollutant in first filter material layer 2, wall 3 and the second filter material layer 4.

It should be noted that the single-stage ecological infiltration system is established on an original soil bearing layer 1, surface runoff flows through the surface of the uppermost planting soil layer, water naturally and continuously permeates from top to bottom under the action of gravity in the flowing process, namely, the water firstly reaches a second filter material layer 4 from a planting soil layer 5, then enters a spacing layer 3, then enters a first filter material layer 2, and finally permeates into the original soil bearing layer 1, so that the water is intercepted layer by layer, the natural infiltration effect is improved, the pollutants carried in the surface runoff are intercepted, the pollutants with strong adsorption capacity in the two filter material layers can be adsorbed and retained, the pollutants are purified by metabolism of microorganisms attached to the surfaces of the materials, purified plants planted on the planting soil layers can consume the pollutants in the growing process, and the purification capacity of the system is improved, ensuring that the water which finally flows into the original soil bearing layer 1 and enters the underground water body is cleaner. It should be further noted that the system is built on the original soil bearing layer 1, in-situ transformation can be mainly used, the original soil bearing layer 1 is a foundation layer of the whole system, geological stability is required, soil is suitable for plant growth to be optimal, and when the field soil is loose and the structure is unstable, the soil can be tamped manually to ensure that the soil has a stable foundation.

According to the above description, the utility model provides an in the embodiment of the above-mentioned ecological filtration system, because single-stage ecological filtration system is including setting up the first filter material layer on the native bearer layer, and cover the wall on first filter material layer upper portion in proper order, the second filter material layer and plant the soil layer, it purifies the plant to plant in the soil layer, first filter material layer, all have the microorganism that can get rid of the pollutant in wall and the second filter material layer, consequently, can utilize this to purify the plant and change the peripheral natural bank slope soil structure of water, and can promote the natural infiltration effect, the pollutant that carries in the surface runoff plays the interception effect, and can purify the pollutant in the surface runoff through the microorganism, reduce the pollutant total amount that the surface runoff got into groundwater.

In a specific embodiment of the above ecological infiltration system, the first filter material layer and the second filter material layer may preferably be a slag layer or a waste filler layer of a sewage plant, and specifically, the filter material used herein mainly functions to adsorb pollutants in surface runoff, so that the pollutants are retained on the filter material, and the filter material is used as a carrier for microbial growth, and the pollutants are removed through metabolism of microbes, thereby recovering the adsorption function of the filter material layers, so that the system has self-recovery capability, the filter material has good air permeability, the microbes may be aerobic microbes and/or facultative microbes and/or anaerobic microbes, which may be a symbiotic system of multiple groups of microbes, and the two filter material layers may mainly contain solid wastes such as slag, waste filler of a sewage plant, and the like, which are solid in structure, stable in chemical performance, low in manufacturing cost, strong in adsorption capability, and have a porosity not less than 50%, further, the thickness of the first filter material layer and the second filter material layer may preferably be 5 cm to 10 cm.

It should be noted that the above-mentioned spacer layer mainly serves to increase the diversity of the system and reduce the fine particles possibly existing in the second filter material layer from entering into the first filter material layer, so as to keep the performance of the second filter material layer and the first filter material layer independent from each other, the different growth environments provided in the two filter material layers can be suitable for the growth of different types of microorganisms, and also has the functions of adsorbing pollutants, carrying microorganisms and increasing the contact time of surface runoff in the system, the porosity of the spacer layer is required to be not less than 20%, and the thickness of the spacer layer can preferably range from 5 cm to 10 cm.

In another preferred embodiment of the above ecological infiltration system, the planting soil layer may be a mauve shale layer, which mainly functions to intercept large-sized floating objects and solid particles in surface runoff and fix the planted plants, reduce solid pollutants entering the water body, and ensure good growth of the plants, and may be selected from mauve shale, which has the advantages of good infiltration performance, porosity of not less than 30%, and being beneficial to the growth of plant root systems, and has better water retention performance, and the planting soil layer needs to be maintained regularly, and needs to check the clogging condition on the surface of the soil layer, and needs to be replaced in time when clogging occurs, porosity of less than 20%, or water permeability is seriously reduced, and the thickness range of the planting soil layer may be preferably 10 cm to 15 cm, and the thickness can improve infiltration performance and provide a carrier for plant growth, reducing the release of pollutants in the soil.

In another embodiment, the purification plant may include droughhaired bevel herb and/or canna indica and/or iris tectorum and/or calamus and/or reed and/or cupressure, it should be noted that the main function of the purification plant is to absorb the nutrient substances in the system through the growth of the plant, convert them into the root, stem and leaf of the plant, and reduce the pollutants in the system through regular harvest, the purification plant may be based on local economic plants, and the early experiments are performed, and the purification plant has a strong pollutant purification capability, a certain economic value, a beautiful shape, a strong adaptability, and is not easy to fall down, the spacing between the plants during the initial planting period may be not less than 30cm, the full coverage of the whole system is required during the luxurious period of growth, and the purification plant needs regular harvest.

It should be noted that the above-mentioned system may preferably comprise more than 2 single-stage ecological infiltration systems, for example, when the system is applied to a place like a terrace, one single-stage ecological infiltration system may be provided on each terrace, and it can be seen that the specific number may be selected according to actual needs, and is not limited herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An ecological infiltration system, which is characterized by comprising at least one single-stage ecological infiltration system, wherein the single-stage ecological infiltration system comprises a first filter material layer arranged on an original soil bearing layer, and a spacing layer, a second filter material layer and a planting soil layer which sequentially cover the upper part of the first filter material layer, purified plants are planted in the planting soil layer, and the first filter material layer, the spacing layer and the second filter material layer are all provided with microorganisms capable of removing pollutants.

2. The ecological infiltration system of claim 1, wherein the first and second filter material layers are slag layers or sewage plant waste filler layers.

3. The ecological infiltration system of claim 1, wherein the first and second filter material layers have a thickness of 5 to 10 centimeters.

4. The ecological percolation system according to claim 1, characterized in that said microorganisms comprise aerobic microorganisms and/or facultative microorganisms and/or anaerobic microorganisms.

5. The ecological infiltration system of claim 1, wherein the spacer layer has a thickness in the range of 5 cm to 10 cm.

6. The ecological infiltration system of claim 1, wherein the planting soil layer is a purplish red mudstone layer.

7. The ecological infiltration system of claim 1, wherein the planting soil layer has a thickness ranging from 10 cm to 15 cm.

8. The ecological infiltration system of claim 1, wherein the purification plant comprises droughhaired parasol herb and/or canna indica and/or iris and/or calamus and/or reed and/or ramose scouring rush herb.

9. The ecological percolation system according to any one of claims 1 to 8, comprising more than 2 of said single-stage ecological percolation systems.