CN210103671U

CN210103671U - Ecological barrier enclosing device for river drain outlet

Info

Publication number: CN210103671U
Application number: CN201920248032.1U
Authority: CN
Inventors: 李传扬; 张力; 张金
Original assignee: Nanjing Hengmao Environmental Protection Technology Co Ltd
Current assignee: Nanjing Hengmao Environmental Protection Technology Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-02-21
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses an ecological fender device that encloses for river course drain, it is including setting up in the planting groove of drain below, plants the inslot portion and is provided with the energy dissipation groove, and the energy dissipation groove just gets into the energy dissipation groove at first to the water that the drain set up and guarantee the drain, and the planting tank bottom is provided with the medium and packs. The utility model arranges the energy dissipation groove, the medium filler and the planting aquatic plant in the planting groove, and the root system of the plant can penetrate through the planting groove to the river water for the habitat of biological biofilm, microorganism, fish and the like in water; and energy dissipation stones are laid at the bottom of the energy dissipation grooves to reduce the erosion of rainwater entering a river to plants and fillers in the planting grooves. The device provided by the utility model not only can effectively get rid of the initial stage rainwater and carry the pollutant that gets into the river course, help river course view to promote moreover, water ecosystem's recovery and construction, promote the self-purification ability and the antipollution impact energy of water simultaneously.

Description

Ecological barrier enclosing device for river drain outlet

Technical Field

The utility model relates to an ecology encloses fender device, in particular to an ecology encloses fender device for river drain.

Background

The rapid development of urbanization and the rapid increase of the impervious underlying surface, the initial rainwater carries a large amount of surface runoff pollutants to enter a rainwater pipe network system and directly enters nearby water bodies through a river-following sewage discharge outlet, and pollution impact is caused to the riverway water environment and an ecological system; in recent years, the governments and countries have vigorously promoted and guided the improvement of water environment, and in the action plan for preventing and treating water pollution ("water ten items"), the problem that black and odorous substances are in water, the source is on shore, the key is at a sewage outlet, and the core is at a pipe network is provided, so that the core and key problems of water environment improvement are pointed out very clearly.

At present, in the improvement and remediation work aiming at the water environment, the remediation work of a sewage discharge outlet is a key, which is a main way for pollutants to enter a river channel, and the source control and the pollutant interception are always emphasized.

In the drain renovation, take tight shutoff's measure to the sewage drain, can effectively block the pollutant and go into the river, nevertheless to the rainwater drain, then can not carry out simple shutoff, need take certain measure if increase vatch basin or lay and intercept dirty main pipe etc. and transmit a part rainwater to sewage pipe network system, nevertheless the investment is great, the cycle length is applicable to the long distance river course that has numerous drains along the river, is not suitable for the small-size view type river course in the central city district.

Disclosure of Invention

In order to solve the problem of the sewage discharge outlet of the river channel, the invention provides the ecological barrier device for the sewage discharge outlet of the river channel, which can effectively reduce and control pollutants entering the river under the condition of smaller investment and shorter engineering period and has obvious effect on the improvement of water environment and water ecological system.

The technical scheme adopted by the invention is as follows:

the utility model provides an ecological fender device that encloses for river drain, is including setting up in the planting groove of drain below, plants inslot portion and is provided with the energy dissipation groove, and the energy dissipation groove just gets into the energy dissipation groove at first to the water that the drain set up and guarantee the drain, and the planting tank bottom is provided with the medium and packs.

Further, the ecological retaining device for the river drain outlet is characterized in that the energy dissipation groove is a groove with gravels or pebbles arranged inside.

Further, an ecological fence device for the river drain, the edge of planting the groove is higher than the river surface of water all the time, or encloses the fender structure through setting up at the edge for it is higher than the river surface of water all the time to enclose the height that keeps off the structure.

Further, an ecological barrier device that encloses for river drain, the medium packs including upper coconut husk layer, middle metalling and bottom planting soil layer.

Furthermore, the ecological barrier enclosing device for the river drain outlet is structurally provided with an overflow port.

Furthermore, the ecological barrier enclosing device for the sewage draining exit of the river channel is characterized in that landscape stones or gravels are arranged at the bottom of the river channel below the planting groove.

Furthermore, the ecological barrier enclosing device for the river drain outlet is characterized in that the barrier enclosing structure is a wood pile integrally arranged with the edge of the planting groove, the top end of the wood pile is higher than the water surface of the river, and the bottom end of the wood pile is arranged at the bottom of the riverbed.

The utility model provides an ecological barrier device for a river drain, wherein a planting groove can be customized according to the pipe diameter of the drain, is arranged around the drain and is fixed around the drain; the energy dissipation groove is arranged in the planting groove and is used for slowing down the erosion of the sewage entering the river; the medium filler is arranged in the planting groove in layers and used for the functions of interception, filtration, purification and the like of pollutants. Aquatic plants can be planted in the planting grooves and are planted in the planting grooves for interception and degradation of pollutants and lifting of waterscape.

The utility model discloses in provide plant the groove, can be according to the size and the rainy season water yield of current situation drain, view demand etc. and customize the planting groove that satisfies above-mentioned function by the producer, arrange the medium filler in planting the inslot layering simultaneously, upper coconut husk thickness can be 10-20 centimetres, middle metalling thickness can be 5-10 centimetres, and planting soil thickness can be 10-25 centimetres, and plant aquatic plant in planting soil.

The aquatic plants in the planting tank can be selected to resist pollution impact, have developed root systems and stronger landscape ornamental value, specifically, calamus flavus, allium mongolicum regel, thalictrum crenata, arundo donax, cattail, droughhaired bevel herb, reed and the like can be selected, and the aquatic plants are selected as far as possible according to the local natural conditions. In the process of selecting and planting the aquatic plants, the root systems of the plants are firstly ensured to be distributed on the soil layer and penetrate through the soil layer to enter the water body, and the root systems can construct a biological membrane system in water and have a certain degradation effect on organic matters in the water.

The utility model discloses in the implementation, can be in planting the groove below, above the river course bottom, arrange the bold rubble in order, can guarantee to have the unequal gap of 5-20 centimetres size between the rubble, for aquatic animals and plants, microorganism etc. provide the place of perching, help water ecosystem's recovery and perfect. Set up at the edge of planting the groove and enclose fender structure, should enclose fender structure and can be for the stake that sets up with the limit integration of planting the groove, the stake combines with planting the groove for block outside river and get into and plant the groove, be used for planting the protection in groove simultaneously, and the later stage operation of being convenient for is maintained.

Furthermore, in the planting groove, an overflow port is formed in the position, 20-30 cm away from the top end of the timber pile, of the side wall of the timber pile so as to ensure that excessive rainwater can enter a water body through the overflow port during raining, and the overflow port is set to be circular, rectangular or in other shapes so as to ensure smooth overflow by combining with the requirements on overflowing capacity and landscape.

The utility model provides an ecological fender device that encloses for river drain, through at first in introducing the energy dissipation groove with the water of river drain, through the scour prevention materials such as cobble that set up in the energy dissipation groove, overflow to planting the inslot after the energy dissipation, carry out next stage and handle. Then plant aquatic plant in planting the groove, utilize aquatic plant to realize further filtering, utilize the medium filler that sets up in planting the groove simultaneously also can realize the filter effect, and what finally filtered is the overflow to the river course in, realized reducing the pollution that the drain directly inserted the river and produced, fine improvement river course water environment.

Aiming at the improvement of the drainage outlet of the river channel, the invention introduces the ecological enclosure treatment concept and mainly has the following beneficial effects:

1. through the setting of ecological fender that encloses, can effectively reduce direct access river pollutant concentration, reduce the impact of pollutant to the water, it is very important to improving river course water environment.

2. Ecological fender that encloses is according to its function and view demand, through the collocation of design customization, plant, green promotes the river course water scenery, increases the river course aesthetic measure, arouses people to the protection consciousness of river course water environment.

3. The ordered large broken stone is constructed at the bottom of the river channel, so that a habitat can be provided for aquatic animals, plants and microorganisms in the river channel, the improvement of an ecological system of the river channel is facilitated, and the self-purification capacity and the pollution impact resistance capacity of a water body are improved.

Drawings

Fig. 1 is a schematic structural view of an ecological barrier device for a drain outlet of a river provided in embodiment 1;

fig. 2 is a schematic view of energy dissipation grooves and medium fillers in the structure of the ecological retaining wall device for the drain outlet of the river provided in embodiment 1;

in the above fig. 1 and 2, 1 is a sewage draining exit, 2 is a river channel, 3 is a planting groove, 4 is an energy dissipation groove, 41 is gravel, 5 is a medium filler, 51 is an upper coconut husk layer, 52 is a middle gravel layer, 53 is a bottom planting soil layer, and 6 is gravel.

The specific implementation mode is as follows:

in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1, for the ecology that is used for the river drain of this embodiment to enclose fender device sketch map, wherein be provided with in 1 below of drain in river course 2 and plant groove 3, plant 3 inside energy dissipation grooves 4 that are provided with of groove, wherein energy dissipation grooves 4 set up to the drain, and guarantee that the water of drain at first gets into energy dissipation grooves 4, the bottom of planting groove 3 is provided with medium filler 5.

Further, above energy dissipation groove 4 is for the groove that is provided with the gravel in inside, and the limit of planting groove 3 is higher than the river course surface of water all the time, also can set up on the edge and enclose the fender structure for it is higher than the river course surface of water to enclose the fender structure, and then prevents that river water from getting into to plant the groove, guarantees that the water of planting in the groove gets into the river course through the mode of overflow.

Furthermore, the bottom of the river channel below the planting groove 3 is also provided with landscape stones or gravels 6, which provide habitat for aquatic animals, plants and microorganisms in the river channel, contribute to perfecting the ecological system of the river channel, and improve the self-purification capacity and the anti-pollution impact capacity of the water body.

As shown in fig. 2, the schematic diagram of the media filler 5 arranged at the bottom of the energy dissipation groove 4 and the planting groove 3 is shown, wherein gravels 41 are laid at the bottom of the energy dissipation groove 4, the media filler 5 comprises an upper coconut husk layer 51, a middle gravel layer 52 and a bottom planting soil layer 53, and the media filler can play a role in filtering and precipitating water and can realize further filtering effect by planting aquatic plants.

The utility model discloses mainly to small-size river course current situation rainwater drain, according to drain pipe diameter size, like DN 400's rainwater drain, customizable length is wide x high =3.5m x 1.5 m's planting groove and stake support, under the simple explanation, after planting many-sided factors such as the size in groove, overflow mouth need combine drain size and rainy season water yield to synthesize and consider, design the customization.

The planting groove is arranged on the periphery of the sewage draining outlet through the timber pile and the fixed detachable tool, then medium filter materials such as coconut husk, bark, shells, volcanic rock and the like are arranged in the planting groove in a layered mode, the middle layer is arranged with a gravel layer with the diameter of 3-10mm, the lowest layer is arranged with a planting soil layer for plant growth, and the bottom of the planting groove is provided with a layer of geotechnical cloth to prevent soil loss.

The energy dissipation groove is specially arranged at the front end of the planting groove, energy dissipation stones such as pebbles are laid in the energy dissipation groove in order, the particle size is 15-40mm, so that the scouring of rainwater on medium fillers in the planting groove is reduced, and the rainwater after energy dissipation overflows into the planting groove in the lateral direction to be treated in the next step.

The plants in the planting tank need to combine functions and attractive requirements, the selected plants have developed root systems, can grow root hairs in soil, and can still grow plants with more root hairs in water, meanwhile, the plants need to have certain pollution impact resistance, and the plants which are applied more in the water environment treatment process at present comprise calamus, calamus flavus, allium mongolicum regel, Thymus flower, Arundo donax, Typha latifolia, Ecliptae herba, Phragmites communis and the like, but the plants are only one part of the plants, and more plants need to be combined with local conditions and discovery and research of future aquatic plants and can be supplemented into the planting tank.

The aquatic plant root system in the planting groove can form a biological film with a certain degradation function after a period of time in the water body, and has a great effect on improving the water quality.

The method is characterized in that large broken stones and the like are arranged above the bottom of the river channel, the broken stones are selected from various kinds, such as granite, marble and the like, gaps among the broken stones are about 5-20 cm, inhabitation places are mainly provided for aquatic animals and plants, microbial communities and the like, and the restoration of the ecological system of the river channel is facilitated.

The basic principles and key concepts as well as the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an ecological fender device that encloses for river drain, its characterized in that, including setting up in the planting groove of drain below, plants inslot portion and is provided with the energy dissipation groove, and the energy dissipation groove just sets up and guarantees that the water of drain at first gets into the energy dissipation groove to the drain, and the planting tank bottom is provided with the medium and packs.

2. The ecological retaining wall device for the sewage draining exit of the river channel as claimed in claim 1, wherein the energy dissipation groove is a groove with gravels or pebbles arranged inside.

3. The ecological barrier device of claim 1, wherein the edge of the planting groove is always higher than the water surface of the river, or the barrier structure is arranged on the edge, so that the height of the barrier structure is always higher than the water surface of the river.

4. The ecological retaining device for the sewage draining exit of the river channel as claimed in claim 1, wherein the medium filler comprises an upper coconut husk layer, a middle crushed stone layer and a bottom planting soil layer.

5. The ecological barrier device for the sewage drain of the river channel as claimed in claim 3, wherein the barrier structure is provided with an overflow port.

6. The ecological retaining device for the sewage draining exit of the river channel as claimed in claim 1, wherein landscape stones or gravels are arranged at the bottom of the river channel below the planting groove.

7. The ecological retaining device for the sewage draining exit of the river channel as claimed in claim 3, wherein the retaining structure is a wooden pile integrally arranged with the edge of the planting groove, the top end of the wooden pile is higher than the water surface of the river channel, and the bottom end of the wooden pile is arranged at the bottom of the riverbed.