CN111333193A - Layered basket type constructed wetland filler structure and installation method thereof - Google Patents
Layered basket type constructed wetland filler structure and installation method thereof Download PDFInfo
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- CN111333193A CN111333193A CN202010156278.3A CN202010156278A CN111333193A CN 111333193 A CN111333193 A CN 111333193A CN 202010156278 A CN202010156278 A CN 202010156278A CN 111333193 A CN111333193 A CN 111333193A
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- filler
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- pool wall
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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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a layered basket type constructed wetland filler structure and an installation method thereof, wherein the filler structure comprises a pool wall, a plurality of filler layers and grid plates, the cross section of the pool wall is in a step shape, a plurality of horizontally extending step edges are arranged on the pool wall, the step edges are arranged on the pool wall at intervals along the vertical direction, the extending widths of the step edges are gradually increased from top to bottom layer by layer, the grid plates can be detachably installed on the step edges on the same horizontal plane, stainless steel baffles are arranged on the edges of the grid plates, lifting rings or handles are arranged on the edges of the stainless steel baffles, the fillers in the filler layers are laid on the grid plates, the widths of the filler layers and the grid plates are gradually decreased from top to bottom layer by layer, and the particle sizes of the fillers in the filler layers are increased from top to bottom layer by layer. The filler structure can realize layered and particle size-based installation of the filler, is convenient to maintain, can independently take out the blocked filler layer, and can be put back after being cleaned, thereby not influencing the normal use of the whole artificial wetland.
Description
Technical Field
The invention relates to the technical field of constructed wetlands, in particular to a layered basket type constructed wetland filler structure and an installation method thereof.
Background
The artificial wetland is an ecological system which is formed by simulating a natural wetland and consists of matrix filler, plants, microorganisms and a water body, realizes the purification of sewage by utilizing the triple synergistic effects of the matrix filler, the aquatic plants and the microorganisms, and can be applied to various fields of processing eutrophic lakes, low-concentration domestic sewage, industrial wastewater, urban storm runoff pollution, deep purification of tail water of sewage treatment plants, combination with landscape construction and the like. The filler of the artificial wetland is mainly built below the ground, the filler is easy to block after the artificial wetland is adopted to treat sewage for a period of time, at the moment, the filler of the artificial wetland needs to be completely turned out and cleaned, and then the filler is put into the artificial wetland again, and the turned-out filler is easy to be disordered and cannot be classified according to the particle size, so that the cleaned filler cannot be laid in the artificial wetland in layers according to the originally designed particle size, and the installation difficulty is greatly increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a layered basket type constructed wetland filler structure and an installation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a basket constructed wetland filler structure is carried in layering, includes pool wall, a plurality of packing layer and grating, the cross-section of pool wall is the echelonment, be provided with the ladder edge that a plurality of levels extend on the pool wall, the ladder edge sets up along vertical direction interval on the pool wall, just the extension width on ladder edge from top to bottom successive layer increases progressively, and ladder edge on being located same horizontal plane all can be dismantled on and install the grating, the edge of grating is equipped with the stainless steel baffle, and the edge of stainless steel baffle is equipped with promotes rings or handle, and the packing in the packing layer is laid on the grating, and the width of packing layer and grating is steadilyd decrease by the upper to lower successive layer, and the particle diameter of the packing in each layer of packing layer increases by the upper to lower successive layer.
The edge of the grid plate is provided with the stainless steel baffle plate, so that the filler at the edge can be prevented from sliding off when the filler layer is lifted, the edge of the stainless steel baffle plate is provided with the lifting rings or the handles, and the filler in the filler layer is laid on the grid plate to form a basket-type filler structure, so that the filler layer can be lifted like a basket. When the upper-layer filler needs to be cleaned, the upper-layer filler can be cleaned only by directly hanging out; when the middle layer filler needs to be cleaned, after the upper layer filler is lifted out, the middle layer filler is lifted out for cleaning; when the lowest layer of filler needs to be cleaned, the fillers on the upper layer and the middle layer are lifted layer by layer from top to bottom, and finally the lowest layer of filler is lifted for cleaning.
The basket type packing structure provided by the invention has the advantages that the size is gradually reduced from top to bottom layer by layer, the cross section of the pool wall is in the ladder shape, the lower layer of packing is conveniently and smoothly hung out, the cross section of the pool wall is in the ladder shape, the function of bearing the weight of the packing can be realized by depending on the pool wall, and the risk that a dead water area is easily generated when the packing structure goes to the lower layer can be avoided.
The filler is laid according to the particle size in layers, the particle size of the filler in each layer of filler layer is increased from top to bottom layer by layer, the filler in the lower layer is convenient to support the filler in the middle-upper layer, and the fillers with different particle sizes are convenient to mount, lift out in layers and clean in layers, so that the artificial wetland is particularly suitable for the vertical flow type artificial wetland.
The height of the stainless steel baffle is set according to the height of each packing layer, preferably, the height of the stainless steel baffle is 100-400mm, and the fillers on the edge can be effectively prevented from sliding off when the packing layers are lifted.
Preferably, the mesh apertures of the mesh plates are smaller than the particle size of the filler laid on the layer of mesh plate, so that the filler is prevented from falling off from the mesh plate.
Preferably, the filler structure is provided with 3 filler layers, and the filler structure sequentially comprises a first filler layer, a first grid plate, a second filler layer, a second grid plate, a third filler layer and a third grid plate from top to bottom.
Preferably, the grain diameter of the filler in the first filler layer is 10-20mm, the grain diameter of the filler in the second filler layer is 20-40mm, the grain diameter of the filler in the third filler layer is 50-60mm, the filler of the third filler layer can be selected from the fillers such as cobblestones, broken stones, gravels and the like, the fillers of the first filler layer and the second filler layer can be selected from the fillers such as gravel, volcanic rock filter materials, manganese sand and the like, the layered installation, the layered lifting and the layered cleaning of the fillers with different grain diameters are facilitated,
preferably, the grid plate is connected with the pool wall through a detachable part, so that the grid plate is convenient to mount and fix.
Preferably, the material of the grid plate is stainless steel.
The invention also provides an installation method of the layered basket type constructed wetland filler structure, which comprises the following steps:
(1) laying the filler on each layer of grid plate according to different particle sizes in a layering manner;
(2) and (4) mounting each layer of grid plates with the fillers from bottom to top layer by layer on the pool wall.
When the filler structure is blocked and the filler needs to be cleaned, the filler layer is lifted layer by using a crane like a basket, and the filler on the upper layer can be cleaned only by directly lifting the filler on the upper layer; when the middle layer filler needs to be cleaned, after the upper layer filler is lifted out, the middle layer filler is lifted out for cleaning; when the lowest layer of filler needs to be cleaned, the fillers on the upper layer and the middle layer are lifted layer by layer from top to bottom, and finally the lowest layer of filler is lifted for cleaning. After the washing is finished, the fixed packing layers are installed layer by layer, the maintenance is convenient, the packing of each packing layer cannot be disordered and cannot be classified according to the particle size, and therefore the washed packing cannot be laid in the artificial wetland layer by layer according to the originally designed particle size.
Compared with the prior art, the invention has the beneficial effects that:
the basket type filler structure can realize layered and particle size-based installation of the filler, is convenient to maintain, can independently take out the blocked filler layer, and can be put back after being cleaned, so that the normal use of the whole artificial wetland is not influenced.
Drawings
FIG. 1 is a schematic diagram of a layered basket type constructed wetland filler structure of the invention, which comprises 1-a pool wall, 2-a stainless steel baffle, 3-a first filler layer, 4-a first grid plate, 5-a second filler layer, 6-a second grid plate, 7-a third filler layer, 8-a third grid plate and 9-a detachable component.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples. It will be understood by those skilled in the art that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the examples, the experimental methods used were all conventional methods unless otherwise specified, and the materials used, etc., were commercially available without otherwise specified.
The utility model provides a layering basket formula constructed wetland filler structure, includes pool wall 1, a plurality of packing layer and grating, the cross-section of pool wall is the echelonment, be provided with the ladder edge that a plurality of levels extend on the pool wall 1, the ladder edge sets up along vertical direction interval on pool wall 1, just the extension width on ladder edge from top to bottom successive layer increases progressively, and ladder edge that lies in on the same horizontal plane all can be dismantled to install grating, grating's edge is equipped with stainless steel baffle 2, and stainless steel baffle 2's edge is equipped with promotes rings or handle, and the packing in the packing layer is laid on grating, and the width of packing layer and grating steadily decrease by the upper to lower successive layer, and the particle diameter of the packing in each layer of packing layer increases by the upper to lower successive layer.
According to the invention, the stainless steel baffle plate 2 is arranged at the edge of the grid plate, so that the filler at the edge can be prevented from sliding off when the filler layer is lifted, the lifting rings or handles are arranged at the edge of the stainless steel baffle plate 2, and the filler in the filler layer is laid on the grid plate to form a basket type filler structure, so that the filler layer is lifted like a basket when lifted out; when the upper-layer filler needs to be cleaned, the upper-layer filler can be cleaned only by directly hanging out; when the middle layer filler needs to be cleaned, after the upper layer filler is lifted out, the middle layer filler is lifted out for cleaning; when the lowest layer of filler needs to be cleaned, the fillers on the upper layer and the middle layer are lifted layer by layer from top to bottom, and finally the lowest layer of filler is lifted for cleaning.
The basket type packing structure provided by the invention has the advantages that the size is gradually reduced from top to bottom layer by layer, the cross section of the pool wall 1 is in the shape of the ladder, the lower layer of packing is conveniently and smoothly hung out, the cross section of the pool wall 1 is in the shape of the ladder, the weight of the packing can be supported by the pool wall, and the risk that a dead water area is easily generated when the packing goes to the lower layer can be avoided.
The number of layers of the filler layer and the filler can be selected according to relevant constructed wetland specifications. The filler is laid according to the particle size in layers, the particle size of the filler in each layer of filler layer is increased from top to bottom layer by layer, so that the filler in the lower layer supports the filler in the middle-upper layer, the fillers with different particle sizes are conveniently installed, lifted out in layers and cleaned in layers, and the artificial wetland vertical flow type wet land filling material is particularly suitable for the artificial wetland in the vertical flow mode.
The height of the stainless steel baffle plate 2 is set according to the height of each packing layer, preferably, the height of the stainless steel baffle plate 2 is 100-400mm, and the fillers on the edge can be effectively prevented from sliding off when the packing layers are lifted.
In the invention, the mesh apertures of the mesh plates are smaller than the particle size of the filler laid on the layer of mesh plates, for example, the particle size of the filler is 20mm, and the mesh apertures of the layer of mesh plates should be smaller than 20mm to prevent the filler from falling off.
In the invention, the number of the filler layers in the filler structure is 3, and the filler structure sequentially comprises a first filler layer 3, a first grid plate 4, a second filler layer 5, a second grid plate 6, a third filler layer 7 and a third grid plate 8 from top to bottom.
In the invention, the grain diameter of the filler in the first filler layer 3 is 10-20mm, the grain diameter of the filler in the second filler layer 5 is 20-40mm, the grain diameter of the filler in the third filler layer 7 is 50-60mm, the filler in the third filler layer 7 can be selected from the fillers such as cobblestones, broken stones, gravels and the like, the fillers in the first filler layer 3 and the second filler layer 5 can be selected from the fillers such as gravels, volcanic rock filter materials, manganese sands and the like, thereby facilitating the layered installation, layered lifting and layered cleaning of the fillers with different grain diameters,
in the invention, the grid plate is connected with the pool wall 1 through detachable parts 9 such as angle steel, I-shaped steel corbels and the like, so that the grid plate is convenient to install and fix.
In the invention, the grid plate is made of stainless steel.
The invention also provides an installation method of the layered basket type constructed wetland filler structure, which comprises the following steps:
(1) laying the filler on each layer of grid plate according to different particle sizes in a layering manner;
(2) and (4) mounting each layer of grid plates with the fillers from bottom to top layer by layer on the pool wall.
When the filler structure is blocked and the filler needs to be cleaned, the filler layer is lifted layer by using a crane like a basket, and the filler on the upper layer can be cleaned only by directly lifting the filler on the upper layer; when the middle layer filler needs to be cleaned, after the upper layer filler is lifted out, the middle layer filler is lifted out for cleaning; when the lowest layer of filler needs to be cleaned, the fillers on the upper layer and the middle layer are lifted layer by layer from top to bottom, and finally the lowest layer of filler is lifted for cleaning. After the washing is finished, the fixed packing layers are installed layer by layer, the maintenance is convenient, the situation that the packing of each packing layer is disordered and cannot be classified according to the particle size is avoided, and therefore the washed packing cannot be laid in the artificial wetland layer by layer according to the originally designed particle size.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a layering basket formula constructed wetland filler structure, its characterized in that includes pool wall, a plurality of packing layer and grating, the cross-section of pool wall is the echelonment, be provided with the ladder edge that a plurality of levels extend on the pool wall, the ladder edge sets up along vertical direction interval on the pool wall, just the extension width on ladder edge from top to bottom successive layer increases progressively, and ladder edge that lies in on the same horizontal plane all can be dismantled to install the grating, the edge of grating is equipped with the stainless steel baffle, and the edge of stainless steel baffle is equipped with promotes rings or handle, and the packing in the packing layer is laid on the grating, and the width of packing layer and grating is steadilyd decrease by the upper to lower successive layer, and the particle diameter of the packing in each layer of packing layer increases by the upper to lower successive layer.
2. The layered basket type constructed wetland filler structure as recited in claim 1, wherein the height of the stainless steel baffle is 100-400 mm.
3. The layered basket type constructed wetland filler structure as recited in claim 1, wherein the mesh apertures of the mesh plates are smaller than the particle size of the filler laid on the mesh plate.
4. The layered basket type constructed wetland filler structure as claimed in claim 1, wherein the filler structure is provided with 3 filler layers, and the filler structure sequentially comprises a first filler layer, a first grid plate, a second filler layer, a second grid plate, a third filler layer and a third grid plate from top to bottom.
5. The layered basket type constructed wetland filler structure according to claim 4, wherein the particle size of the filler in the first filler layer is 10-20mm, the particle size of the filler in the second filler layer is 20-40mm, and the particle size of the filler in the third filler layer is 50-60 mm.
6. The layered basket-type constructed wetland filler structure of claim 1, wherein the grid plates are connected with the pool wall through detachable parts.
7. The layered basket type constructed wetland filler structure of claim 1, wherein the grid plate is made of stainless steel.
8. The method for installing the layered basket type artificial wetland filler structure as claimed in any one of claims 1 to 7, which is characterized by comprising the following steps:
(1) laying the filler on each layer of grid plate according to different particle sizes in a layering manner;
(2) and (4) mounting each layer of grid plates with the fillers from bottom to top layer by layer on the pool wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010156278.3A CN111333193A (en) | 2020-03-09 | 2020-03-09 | Layered basket type constructed wetland filler structure and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010156278.3A CN111333193A (en) | 2020-03-09 | 2020-03-09 | Layered basket type constructed wetland filler structure and installation method thereof |
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| CN111333193A true CN111333193A (en) | 2020-06-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479521A (en) * | 2020-12-07 | 2021-03-12 | 南京沿江资源生态科学研究院有限公司 | Modularized sludge dewatering resource ecological tower |
| CN113494127A (en) * | 2021-07-09 | 2021-10-12 | 上海宝冶集团有限公司 | Construction method for layered lifting of large-span open-web corridor steel platform |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112479521A (en) * | 2020-12-07 | 2021-03-12 | 南京沿江资源生态科学研究院有限公司 | Modularized sludge dewatering resource ecological tower |
| CN113494127A (en) * | 2021-07-09 | 2021-10-12 | 上海宝冶集团有限公司 | Construction method for layered lifting of large-span open-web corridor steel platform |
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Application publication date: 20200626 |