CN211773290U - Flow guide facility with water quality purification and fish nest functions - Google Patents

Abstract

The utility model discloses a have water purification, water conservancy diversion facility of fish nest function concurrently, the water conservancy diversion facility is arranged in surface flow wetland bottom, including gabion cylinder mould, filler check guest cylinder mould is fixed lays in gabion cylinder mould top, be equipped with the filler in the gabion cylinder mould, filler check guest cylinder mould fills water purification and packs, be equipped with vegetation kind district on the filler check guest cylinder mould, water conservancy diversion facility bottom forms the fish nest space of nesting. The utility model discloses the water conservancy diversion facility not only has the effect of adjustment surface flow wetland water flow state, still has water purification function, fish nest function to ecosystem in the surface flow wetland has been richened. The utility model discloses the main material that the gabion net pad was filled is the sand gravel or the engineering lump stone abandonment material of surface current wetland excavation, and convenient for material collection reduces wetland construction cost. The diversion facility is directly laid at the bottom of the surface flow wetland, the construction is simple, and the excavation of a foundation or the independent foundation treatment is not needed.

Description

Flow guide facility with water quality purification and fish nest functions

Technical Field

The utility model relates to a wetland treatment field especially relates to a have water purification, water conservancy diversion facility of fish nest function concurrently.

Background

The traditional flow guiding facilities in the surface flow wetland mostly adopt rigid flow guiding structures such as soil, dry masonry, mortar masonry or concrete, have high material taking requirements, high investment and high construction difficulty (some have higher requirements on the foundation), do not greatly contribute to water purification, are not coordinated with the ecological landscape of the wetland, and are also not beneficial to the establishment and restoration of the wetland ecosystem. The construction of an ecological diversion facility which has the functions of water purification and ecology, low cost, easy construction and good landscape effect and has certain permeability is the development direction of the industry.

Disclosure of Invention

The utility model aims at the defects of the prior art, and provides a flow guide facility which has the functions of water purification and fish nest, has simple structure, saves investment and is convenient for construction.

In order to realize the above purpose, the utility model adopts the following technical scheme:

the utility model provides a have water purification, water conservancy diversion facility of fish nest function concurrently, the water conservancy diversion facility is arranged in surface flow wetland bottom, including gabion cylinder mould, filler check guest cylinder mould is fixed to be laid in gabion cylinder mould top, be equipped with the filler in the gabion cylinder mould, filler check guest cylinder mould fills water purification and packs, be equipped with vegetation planting district on the filler check guest cylinder mould, water conservancy diversion facility bottom forms the fish nest.

Furthermore, the water quality purification filler is water quality purification filler with different particle sizes, and the water quality purification filler with different particle sizes is separated by a separation net sheet.

Furthermore, the filler is stone and clay, the clay is located in the middle of the stone cage net pad, and a clay partition is formed in the stone cage net pad and used for blocking the stone filled on two sides and blocking water.

Furthermore, the gabion mesh pad is formed by arranging two basic unit shapes of a wide unit and a narrow unit at intervals, a concave space is formed after the two unit shapes are arranged at intervals, and the concave space is used as a fish nest.

Furthermore, the width of the packing check net cage is narrower than the width unit and wider than the narrow unit, so that the structure is more stable while the fish nest is formed.

Furthermore, the vegetation planting area is a gravel covering layer, and the gravel covering layer is used for planting emergent aquatic plants.

Furthermore, the gabion mesh pad is arranged on the bottom of the surface flow wetland.

Adopt the technical scheme of the utility model, the beneficial effects of the utility model are that: compared with the prior art, the utility model discloses the water conservancy diversion facility not only has the effect of adjustment surface flow wetland water flow state, still has water purification function, fish nest function to ecosystem in the surface flow wetland has been richened. The utility model discloses the filler of the different particle diameters of arranging in the filler check guest cylinder mould not only provides the carrier for the microorganism, for emergent aquatic plant provides the basement, itself also has quality of water purification function simultaneously. The utility model discloses plant emergent aquatic plants in packing check guest cylinder mould, richened the aquatic plant quantity of wetland, absorbed pollutants such as N, P, improved the view of wetland, do benefit to ecology and environmental protection. The utility model discloses the main material that the gabion net pad was filled is the sand gravel or the engineering lump stone abandonment material of surface current wetland excavation, and convenient for material collection reduces wetland construction cost. The diversion facility is directly laid at the bottom of the surface flow wetland, the construction is simple, and the excavation of a foundation or the independent foundation treatment is not needed.

Drawings

FIG. 1 is a schematic top view of a gabion mesh pad and a filler gabion mesh cage in a diversion facility with water purification and fish nest functions provided by the present invention;

FIG. 2 is a first cross-sectional view of a gabion mesh pad and a filler gabion mesh cage in a diversion facility with water purification and fish nest functions provided by the present invention;

FIG. 3 is a cross-sectional view of a gabion mesh pad and a filler gabion mesh cage in a diversion facility with water purification and fish nest functions, which is provided by the present invention;

fig. 4 is a schematic view of a fish nest area in a diversion facility with water purification and fish nest functions provided by the utility model.

The wetland comprises a surface flow wetland bottom, a gabion mesh pad 2, a filler gabion mesh cage 3, stones 4, clay 5, a filler gabion mesh cage 6, a separation mesh sheet 7, a water quality purification filler 8, a gravel covering layer 9, emergent aquatic plants 10 and a fish nest.

Detailed Description

The specific embodiments of the present invention will be further explained with reference to the accompanying drawings.

As shown in the figure, a have water purification, water conservancy diversion facility of fish nest function concurrently, the water conservancy diversion facility is arranged in surface flow wetland bottom 1, including gabion cylinder mould 2, filler check guest cylinder mould 5 is fixed to be laid in gabion cylinder mould 2 top, be equipped with the filler in the gabion cylinder mould 2, filler check guest cylinder mould 5 is filled water purification and is packed 7, be equipped with vegetation planting district on the filler check guest cylinder mould 5. The framework of the packing check net cage 5 is formed by welding steel bars.

The water quality purifying filler 7 is water quality purifying filler 7 with different grain diameters, and the water quality purifying filler 7 with different grain diameters are separated by a separation net sheet 6. The mesh size of the partition net sheet 6 is set according to the filler particle diameter.

The water quality purification filler 7 can be gravel, ceramsite, zeolite, volcanic rock, slag and the like with certain particle size requirements, but the permeability coefficient of the filler check cage 5 needs to be comprehensively considered when the particle sizes are combined, and meanwhile, a reverse filter layer is constructed to prevent the filler from being separated out.

The filling weight is stone 3 and clay 4, clay 4 is located in the middle of stone 3, forms the clay and cuts off, the stone of separation both sides.

The gabion mesh pad 2 comprises a rectangular body area and a communicating area, the gabion mesh pad is formed by arranging two basic unit shapes of a wide unit and a narrow unit at intervals, and a concave space is formed after the two basic unit shapes are arranged at intervals to serve as a fish nest. The width of packing check guest cage is narrower than wide unit, is wider than narrow unit, when forming the fish nest, and the structure is more firm.

The fish nest 10 is a space for fish to inhabit and breed in the surface flow wetland. The utility model discloses fish nest 10 forms between gabion cylinder mould 2 and filler check guest cylinder mould 5, form good perching, reproduction environment.

The vegetation planting area is a gravel covering layer 8, and the gravel covering layer 8 is used for planting emergent aquatic plants 9. The emergent aquatic plant 9 is a properly grown variety and has strong absorption capacity of pollutants such as N, P and a developed root system.

The surface flow wetland bottom 1 is required to be flat in topography, and has certain foundation bearing capacity after being tamped and leveled.

The gabion mesh pad 2 is arranged on the bottom 1 of the surface flow wetland.

The concrete construction steps of the embodiment are as follows:

a) manufacturing a gabion mesh pad 2: reinforcing steel bars with the diameter of phi 8-phi 12 are used as gabion frame materials, the size of the gabion mesh pad 2 is divided into two types, and the size of a rectangular area of the gabion mesh pad 2 is as follows: the length x width x height is 1.4m x 1.0m x 0.3m, and the dimensions of the connecting area of the gabion mat 2 are: length × width × height ═ 1.0 × 0.4 × 0.3m, using mechanically or manually woven mesh sheets, and then fitting the resulting mesh sheets onto the gabion frame (without closing the cage lid);

b) laying a gabion mesh pad 2: constructing on dry land in the surface flow wetland, wherein two types of net pads are arranged alternately and are tiled on the bottom 1 of the surface flow wetland, the central axes of the rectangular area and the stone communication area are kept consistent, and no cage cover is sealed;

c) filling block stones 3 and clay 4, and sealing a cage: the selected stones 3 are loaded into the gabion mesh pad 2, the minimum edge size of the stones 3 is not smaller than the eyelets of the gabion mesh pad 2, the filled gabion mesh pad 2 is clear in edges and corners and is regular and neat, a space with the width of about 10cm is reserved in the center line position of the gabion mesh pad 2, and a cage cover is closed;

d) manufacturing a packing check net cage 5: using a phi 8-phi 12 steel bar as a filler check-up mesh cage frame material, wherein the frame size is as follows: length × width × height is 2.0 × 1.0 × 0.9m, and the knotted mesh is fitted to the frame (no mesh is attached to the top) and the partition mesh 6 of the internal filler is fitted using a mechanically or manually knitted mesh.

e) Installing and fixing the packing check net cage 5: connecting the manufactured filler check-up net cages 5 end to end and flatly paving the filler check-up net cages 5 on the closed gabion net pad 2, wherein the head ends and the tail ends of the cage bodies of each filler check-up net cage 5 are all lapped on the middle position of the net pad I of the gabion net pad 2, frames overlapped between the adjacent cage bodies are bound and connected in a spiral mode through binding wires, the binding wires are No. 8 steel wires, and the binding point intervals are 40-50 cm;

f) filling a water quality purification filler 7: filling the selected water purifying filler from two sides to the middle, namely filling the filler with large particle size and filling the filler with small particle size, wherein the particle size of the filled filler is 2-3 cm, 1-2 cm and 0.5-1.0 cm in sequence, and ensuring that the porosity of the filler is not less than 40% after filling;

g) and backfilling a 10 cm-thick gravel covering layer 8 on the surface of the filler check net cage 5, and then planting emergent aquatic plants 9.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (7)

1. The flow guide facility is arranged at the bottom of a surface flow wetland and is characterized by comprising a gabion mesh pad and a filler check net cage, wherein the filler check net cage is fixedly laid above the gabion mesh pad, fillers are arranged in the gabion mesh pad, the filler check net cage is filled with water purification fillers, and a vegetation planting area is arranged on the filler check net cage;

the bottom of the diversion facility forms a fish nest.

2. The flow guide facility with the functions of water purification and fish nest as claimed in claim 1, wherein the water purification filler is water purification fillers with different particle sizes, and the water purification fillers with different particle sizes are separated by separation meshes.

3. The diversion facility as claimed in claim 1, wherein the filling material in the gabion mat is stone and clay, and the clay is disposed in the middle of the stone to form a clay partition for blocking the stone on both sides.

4. The diversion facility with water quality purification and fish nest functions as claimed in claim 1, wherein the gabion mesh pad is formed by arranging two basic unit shapes of wide units and narrow units at intervals, and the two basic units of the wide units and the narrow units are arranged at intervals to form concave spaces to form the fish nest.

5. The diversion facility with water purification and fish nest functions as claimed in claim 4, wherein the width of the packing check net cage is narrower than the width unit and wider than the width unit.

6. The diversion facility with water quality purification and fish nest functions as claimed in claim 1, wherein the vegetation planting area is a gravel covering layer, and the gravel covering layer is used for planting emergent aquatic plants.

7. The diversion facility with water quality purification and fish nest functions as claimed in claim 1, wherein the gabion mesh pad is arranged on the bottom of the surface flow wetland.

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