CN212559649U - Multi-functional double-deck soft wall that encloses suitable for submerged plant plants - Google Patents
Multi-functional double-deck soft wall that encloses suitable for submerged plant plants Download PDFInfo
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- CN212559649U CN212559649U CN202021446047.8U CN202021446047U CN212559649U CN 212559649 U CN212559649 U CN 212559649U CN 202021446047 U CN202021446047 U CN 202021446047U CN 212559649 U CN212559649 U CN 212559649U
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Abstract
The utility model provides a multifunctional double-layer soft enclosure suitable for planting submerged plants, which comprises a plurality of sections of floating bodies; the separation film is folded in half to form a double-layer structure; the carbon fiber grass comprises a porous reticular microorganism carrier ball, a fiber strip and a fixing band; the bottom fixing device comprises gravels and steel pipes. Multi-functional double-deck soft wall suitable for submerged plant plants pass through body and divider membrane and set up along the bank, form and independently enclose and cover the district, the upper reaches set up and keep off and flow the board and reduce rivers, improve soft wall life that encloses, the divider membrane bottom is consolidated through the rubble counter weight, encloses and separates the inboard and set up micropore aeration dish and carbon fiber grass, increase and enclose inside dissolved oxygen to hang the membrane through the microorganism of carbon fiber grass and purify enclosing the interior water quality that separates.
Description
Technical Field
The utility model belongs to river course ecological remediation field especially relates to a multi-functional double-deck soft wall that encloses suitable for benthophyte plants.
Background
With the continuous promotion of ecological civilization construction, domestic black and odorous water body treatment and restoration are carried out fiercely, and after basic engineering contents such as sewage interception, sediment treatment and the like are completed, the in-situ ecological restoration of rivers and lakes gradually becomes the key point of black and odorous water body treatment.
In the in-situ ecological restoration of the river channel, the planting of submerged plants is one of the core technologies. The submerged plant is suitable for being planted in an environment with slow flow rate and less herbivorous fishes, and is widely applied to small lakes. However, the river has many fishes and high water flow speed, which are unfavorable for the growth of submerged plants, so that the submerged plants are often gnawed by the fishes or washed away by water flow, and the problems of unstable water level, difficult fish cleaning and the like also exist in large lakes, which are unfavorable for the planting of the submerged plants.
Obviously, the water flow influence factors and fish school influence factors of river channels and large lakes are not easy to eliminate artificially, and the enclosure zone is enclosed by the enclosure for planting submerged plants, so that the influence of water flow and fish can be eliminated, and further, the planting area is spread by points and surfaces, and the method is a common method at present. The existing area enclosing technology adopts single-layer soft enclosing partition, and has two types of water permeability and water impermeability, the function is single, the main function is water body sealing, the function of certain sewage and sewage discharge outlet isolation can be realized, but the separating effect on fishes is not obvious. On one hand, the function of the soft enclosure is single, and other functions of the separation membrane are not deeply excavated; on the other hand, in rivers and lakes with high water flow speed and large water level change, the bottom of the river and lake is easy to float in a partial area interfered by water flow, fishes easily enter the river and lake, the problem that submerged plants in the enclosed area are gnawed by the fishes cannot be solved, the bottleneck of the submerged plant planting technology is not broken through, and certain limitation exists.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a multi-functional double-deck soft enclosure suitable for benthophyte plants aims at solving prior art's in the very fast river course of velocity of flow, the unstable lake of water level not ideal, enclose the problem that separates function singleness, utilization ratio are low.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a multifunctional double-layer soft barricade suitable for planting submerged plants, which comprises,
the floating bodies float on the water surface in multiple sections, and the adjacent sections of floating bodies are fixedly connected;
the separation membrane is folded in half to form a double-layer structure, the folding part of the separation membrane is the lower end, and the upper end of the separation membrane is fixedly connected with the floating body;
the carbon fiber grass comprises porous reticular microorganism carrier balls, fiber strips and fixing bands, wherein the fixing bands are fixed on the inner side walls of the separation membranes, the fiber strips are fixed on the fixing bands, and the porous reticular microorganism carrier balls are fixed on the fiber strips;
the bottom fixing device comprises gravels and steel pipes, the gravels are located on the inner side of the folding part of the separation membrane, the upper end of each steel pipe is fixedly connected with the bottom end of the separation membrane, and the lower end of each steel pipe is inserted into the bottom of the river.
Further, the length of the floating body is 1-1.2m, the floating body comprises an outer membrane and a filler, the outer membrane is made of watertight HDPE, and the filler is made of a high polymer material with the density smaller than that of water.
Furthermore, the height of the folded separation membrane is higher than 20% of the highest water level of the river channel, the upper end of the separation membrane is connected with the floating body through a connecting ring, and the separation membrane is made of a water-permeable PVC high polymer material.
The device is characterized by further comprising a flow baffle plate, wherein the flow baffle plate is arranged at the upper part of the separation membrane and consists of a plurality of galvanized steel pipes, the galvanized steel pipes are vertically arranged and are arranged in a row along the direction perpendicular to the water flow, the distance between every two adjacent galvanized steel pipes is 5-8cm, and the lower ends of the galvanized steel pipes are inserted into the bottom of a river.
Furthermore, the fiber strips are made of carbon fiber, the length of the fiber strips is 350-450mm, 20-30 porous reticular microorganism carrier balls are fixed on each fiber strip, and the fiber strips and the porous reticular microorganism carrier balls float in water.
Furthermore, the distance between the fixing belt and the river bottom is 30-40cm, and the fixing belt is made of PVC high polymer materials.
The device further comprises an aeration device, wherein the aeration device comprises a micropore aeration disc and a fan, the micropore aeration disc is fixed on the position, 20-30cm away from the river bottom, of the inner side wall of the separation membrane, and the micropore aeration disc is connected with the fan through a pipeline.
Furthermore, the steel pipe is galvanized steel pipe, and the steel pipe is squeezed into river bottom mud layer 20cm, and the steel pipe has prefabricated buckle ring from its bottom 20cm department, the separation membrane bottom is equipped with the mounting hole, the holding ring is installed to the mounting hole, the external diameter of buckle ring is greater than the external diameter of holding ring, and the buckle ring links to each other with the holding ring.
Furthermore, the inner diameter of the galvanized steel pipe is 20mm, the wall thickness is 2.8mm, and the bottom of the galvanized steel pipe is provided with a conical head.
Compared with the prior art, the utility model discloses following advantage and beneficial effect have at least:
1. water body enclosure partition
The utility model discloses can construct the water body along the river levee and enclose the shaded area, and through double-deck soft barricade and bottom grit counter weight, more efficient will enclose the shaded area and keep apart from the river course water, ensure on the one hand at the condition that the velocity of water is very fast or the water level variation is great that water pressure will not enclose the barricade bottom jack-up, lead to fish to get into, gnaw and eat the submerged plant; on the other hand, the impact caused by water flow can be effectively relieved, the water body in the enclosed area is stabilized, the plants are prevented from being washed by the water flow, and basic growth conditions are provided for the growth of submerged plants;
2. aeration oxygenation device
The microporous aeration disc is fixed on the separation membrane of the soft enclosure, so that the problems that the aeration equipment is simple and firm to install and the equipment is displaced or even washed away after rainstorm can be solved; on the other hand, the dissolved oxygen in the water body can be increased, the power of the water body is enhanced, and the treatment of the black and odorous water body is facilitated;
3. microbial decontamination
Carbon fiber grass is fixed on the soft surrounding separation membrane, and porous reticular microorganism carrier balls are suspended on the carbon fiber grass to provide an attachment matrix for microorganisms to form a biological membrane, so that the pollution is reduced through the oxidation of the biological membrane, the water body purification capacity is improved, and meanwhile, the exogenous pollution introduced by the exchange between the enclosed area and the external water body is treated in an emergency manner;
4. enhanced soft barricade stability
Set up through the upper reaches and keep off the impact that the board reduces rivers and divides diaphragm and body, and keep off the board and constitute by many galvanized steel pipes, also can reach better effect of helping away when being convenient for construct, the extension keeps off and flows board life, and the bottom is fixed through the steel pipe and is increased the dual fixed of counter weight grit simultaneously, greatly increased the stability of soft enclosure.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic top view of an embodiment of the present invention;
fig. 2 is a schematic front view of the enclosure according to the embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the embodiment of the present invention, in which the cross-section is perpendicular to the separation membrane;
fig. 4 is a schematic cross-sectional view of the embodiment of the present invention, in which the cutting plane is parallel to the separation membrane and located inside the double-layer structure of the separation membrane.
Description of reference numerals:
1. a float; 2. a flow baffle plate; 3. a connecting ring; 4. carbon fiber grass; 4.1, porous reticular microorganism carrier spheres; 4.2, fiber strips; 4.3, fixing the belt; 5. separating the membrane; 6. a microporous aeration disc; 7. a bottom fixture; 7.1, sand and stone; 7.2, a positioning ring; 7.3, steel pipes.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A multifunctional double-layer soft enclosure suitable for planting submerged plants comprises a floating body 1, a flow baffle 2, a connecting ring 3, carbon fiber grass 4, a separation membrane 5, aeration equipment and a bottom fixing device 7.
The floating bodies 1 have multiple sections, each section of the floating body 1 is composed of an outer membrane and a high polymer material (such as foam plastic) filled in the outer membrane and having density smaller than that of water, the outer membrane is made of a water-tight HDPE material, and the floating bodies 1 of adjacent sections are connected through sewing.
The flow baffle plate 2 is arranged on the upstream of the separation membrane 5 and is used for resisting the impact of upstream water flow and prolonging the service life of the soft enclosure, the height of the galvanized steel pipe is set according to the highest water level, specifically, the flow baffle plate 2 is composed of a plurality of galvanized steel pipes, the inner diameter of each galvanized steel pipe is 20mm, the wall thickness is 2.8mm, the distance between every two galvanized steel pipes is 5-8cm, the bottom of each galvanized steel pipe is customized to be a conical head, and the bottom mud layer can be conveniently driven into the galvanized steel pipes for fixation.
The separation membrane 5 is of a double-layer structure and formed by folding one separation membrane 5 in half, is convenient to manufacture and relatively firmer, the separation membrane 5 is not easily disturbed by water flow and is made of a permeable PVC high polymer material, and has the characteristics of firmness, corrosion resistance and the like, the folding part of the separation membrane 5 is the lower end, the upper end of the separation membrane 5 is connected with the floating body 1 through the metal connecting ring 3, and the lower end of the separation membrane is fixed at the bottom of a river through the bottom fixing device 7.
The carbon fiber grass 4 is sewn on the inner side wall of the separation membrane 5, the fixed height is about 30-40cm away from the river bottom, and the carbon fiber grass 4 consists of a porous reticular microorganism carrier ball 4.1, a fiber strip 4.2 and a fixed belt 4.3.
The porous reticular microorganism carrier ball 4.1 is also called a porous spherical suspension carrier, the porosity is more than or equal to 95 percent, the porous reticular microorganism carrier ball is made of high polymer materials for the attachment of microorganisms, the relative density of the materials is 0.92, the material can float in water, the diameter is 2-3cm, the surface of the ball body is of a porous structure so as to increase the oxygen content in the ball, the solid part of the ball body is of a reticular structure so as to increase the attachment area of the microorganisms and strengthen the film hanging effect, and the porous reticular microorganism carrier ball 4.1 has the characteristics of light weight and high attachment efficiency.
The fiber strips 4.2 are carbon fiber materials for fixing the porous reticular microorganism carrier balls 4.1, the length is 350-450mm, 20-30 porous reticular microorganism carrier balls 4.1 are fixed on each fiber strip 4.2, and the fiber strips 4.2 and the porous reticular microorganism carrier balls 4.1 thereon float in water.
The fixing belt 4.3 is a PVC high polymer material belt for fixing the fiber belt 4.2.
The type of the aeration equipment is microporous aeration equipment, which comprises a microporous aeration disc 6 and a fan (not shown in the figure), wherein the microporous aeration disc 6 is fixed on the inner side wall of the separation membrane 5 by binding and sewing, the distance from the inner side wall to the river bottom is 20-30cm, and the aeration efficiency of the microporous aeration disc 6 is high. The fan can be arranged on a side slope or a submerged fan is adopted.
The separation membrane 5 is sequentially fixed with the carbon fiber grass 4 and the microporous aeration disc 6 from top to bottom, the water quality in the enclosure is purified by the microorganism hanging membrane of the carbon fiber grass 4, and the dissolved oxygen of the water in the enclosure is increased by the aeration of the microporous aeration disc 6.
The bottom fixture 7 consists of sand 7.1, a positioning ring 7.2 and a steel tube 7.3.
The sand 7.1 is crushed stone and fine sand, and is mainly used for balancing weight along the line to prevent the separation membrane 5 from floating due to water waves.
The positioning ring 7.2 is fixed at the bottom end of the separation membrane 5, and the positioning ring 7.2 is fixed after the separation membrane 5 is perforated, so that the separation membrane 5 is prevented from being damaged, and the diameter of the positioning ring is about 30 mm.
The steel pipe 7.3 is galvanized steel pipe, and galvanized steel pipe's internal diameter is 20mm, and the wall thickness is 2.8mm, and the bottom customization is the cone, is convenient for squeeze into the bottom mud layer and fixes, and in order to guarantee fixed effect, the steel pipe 7.3 should squeeze into 20cm in the river bottom, and corresponding to this, the steel pipe 7.3 is from the prefabricated buckle ring in bottom 20cm department, and the ring external diameter is greater than holding ring 7.2 for firmly fix the diaphragm 5. In addition, the sand 7.1 can be filled into the bag to form a sand bag, and the weight is balanced along the line to prevent the bottom of the soft enclosure from floating. The lower part of the separation membrane 5 is anchored and compressed by a steel pipe 7.3 and a sand 7.1, and the effective positioning and stabilizing effects can be achieved.
The construction of the multifunctional double-layer soft enclosure suitable for planting submerged plants comprises the following steps:
1. soft enclosure prefabrication
(1) According to the actual situation of the site, a relatively straight region close to the shore is selected as an enclosing region, and the height of the separation membrane 5 is selected according to hydrological data, the normal water level and the highest water level of the river channel of the region.
(2) The height of the folded separation membrane 5 is preferably 20% higher than the highest water level of the river channel to cope with the change of the water level.
(3) In order to ensure the extension and the flexibility of the soft enclosure, the length of a single-section floating body 1 is preferably 1-1.2m, the floating body 1 is separated from the floating body 1 through sewing, the number of the floating bodies 1, the height of a separation membrane 5 and the length of the soft enclosure which are matched are customized according to actual conditions, no less than 4 connecting rings 3 are arranged on each side of each floating body 1, and the connecting rings 3 are correspondingly established by perforating the separation membrane 5.
(4) The microporous aeration disc 6 is preferably arranged 20-30cm away from the bottom of a river bed, and it should be noted that the height of the separation membrane 5 is usually higher than the water level of the river channel, and the microporous aeration disc 6 has a proper balance weight to straighten the separation membrane 5. in the actual manufacturing process, the height of the normal water level is taken as a reference, the microporous aeration disc 6 is arranged 20-30cm away from the river bottom, and one microporous aeration disc 6 is arranged under every 2 floating bodies 1 on average to ensure the aeration efficiency, and the aeration efficiency can be adjusted according to the specific water level and the water quality.
(5) The carbon fiber grass 4 is a microorganism attaching matrix and can effectively degrade water body pollution, the carbon fiber grass 4 consists of a fixing band 4.3, a fiber band 4.2 and a porous reticular microorganism carrier ball 4.1, wherein the fixing band 4.3 is a component part for connecting the fiber band 4.2, is sewn on a separation membrane 5 and is arranged at the upper part of the microporous aeration device and is 30-40cm away from the river bottom; the fiber strip 4.2 is fixed between the fixing band 4.3 and the separation membrane 5, is a strip for connecting the porous reticular microorganism carrier ball 4.1, and has the length of 350mm-450 mm; the porous reticular microorganism carrier ball 4.1 is an attachment matrix of microorganism, and is sewed on the fiber strips 4.2, and about 20-30 porous reticular microorganism carrier balls 4.1 are fixed on each fiber strip 4.2.
(6) Separate membrane 5 and be the bilayer structure that the folding formation of a monoblock permeable membrane, folding position is the bottommost of separating membrane 5, need punch in advance and install holding ring 7.2, and holding ring 7.2's effect is difficult damaged for accurate location and protection separating membrane 5, according to actual rivers intensity demand, confirms the number and the interval of holding ring 7.2.
(7) The bottom positioning ring 7.2 needs to be fixed through a steel pipe 7.3, sand 7.1 balance weight is added between the steel pipes 7.3, and the sand 7.1 can be packaged by sand bags for installation.
2. Soft enclosure mounting
(1) When the ship is ridden to a selected enclosure area, the outer side of the floating body 1 and the outer layer separation film 5 are firstly connected through the connecting ring 3, and the other layer of separation film 5 is pulled on the shore by a rope, so that the separation film 5 is prevented from sinking to the bottom or shifting in a soft enclosure mode.
(2) Fixing from the upstream to the downstream of the river channel, penetrating the bottom fixing ring through the steel pipe 7.3, and driving into the bottom of the riverbed until the steel pipe 7.3 is prefabricated with a buckle to firmly clamp the bottom fixing ring at the bottom of the riverbed.
(3) The outer side of the floating body 1 and the outer layer separation membrane 5 are connected from the upstream to the downstream through the connecting rings 3, one ring is connected every time, gravel 7.1 or sand bags are balanced between the adjacent steel pipes 7.3, the gravel 7.1 or the sand bags are lightly placed on the river surface at the corresponding positions, the gravel 7.1 or the sand bags naturally sink, the steel pipes 7.3 can be used for conducting proper guidance while the sand sinks, the deviation is avoided, the connecting ring 3 is connected every time the balancing of one node is completed, the gravel 7.1 or the sand bags are guaranteed not to be displaced, and the steps are circulated until all the connecting rings 3 are connected.
(4) The microporous aeration disc 6 is positioned at the inner side of the enclosure distinguishing diaphragm 5, is uniformly distributed and is connected with a fan through a pipeline, the fan can be placed on the nearby shore, and a submerged fan can also be adopted, so that the project actual condition and the field condition are taken as references.
(5) Carbon fiber grass 4 is for prefabricating in 5 inboards of compartment membrane, installs soft after enclosing, is the natural floating state, has better porosity, and unique spherical pore structure can obtain the buffering in rivers, avoids a large amount of droing of biomembrane, under the better condition of the original biomass in river course, can directly hang the membrane and cultivate, and it is lower to hang membrane efficiency under natural condition, can adopt activated sludge to cultivate for a week.
(6) After the soft enclosure is installed, the flow baffle plate 2 is installed upstream and used for resisting the impact of upstream water flow and prolonging the service life of the soft enclosure, the flow baffle plate 2 is composed of a plurality of galvanized steel pipes, the height of the steel pipes is set according to the highest water level, the bottom of the steel pipes is conical, and the steel pipes are driven into a bottom mud layer to be fixed.
To sum up, be applicable to the soft partition that encloses of multi-functional double-deck suitable for benthophyte plants mainly include body 1 and divider membrane 5, set up along the river bank, form and independently enclose the region of covering, the upper reaches set up and keep off and flow board 2 and reduce rivers, improve soft partition life that encloses. The floating body 1 floats on the water surface, the separation membrane 5 is folded into a double layer, the folded part is tightly anchored with the riverbed through a steel pipe 7.3 at the bottom and a counterweight sandstone 7.2, and the separation membrane 5 is connected with the floating body 1 through a connecting ring 3.
Soft enclosure bottom is consolidated through grit 7.2 counter weight, and soft enclosure is by enclosing and is covered the district inboard and set up micropore aeration dish 6 and carbon fiber grass 4, and carbon fiber grass 4 below is arranged in to micropore aeration dish 6, through bottom grit 7.2 stable with enclose and separate inboard aeration oxygenation and biological biofilm carrier technique, enclose for the biological biofilm carrier guarantee aerobic environment when separating inside water dissolved oxygen to it purifies to enclose the interior water quality of isolating through the microorganism biofilm carrier.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a multi-functional double-deck soft wall that encloses suitable for submerged plant plants, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the floating body comprises a plurality of sections of floating bodies (1), wherein the plurality of sections of floating bodies (1) float on the water surface, and the adjacent sections of floating bodies (1) are fixedly connected;
the separation membrane (5) is folded in half to form a double-layer structure, the folding part of the separation membrane (5) is positioned at the lower end, and the upper end of the separation membrane (5) is fixedly connected with the floating body (1);
the carbon fiber grass (4), the carbon fiber grass (4) comprises porous reticular microorganism carrier balls (4.1), fiber strips (4.2) and fixing bands (4.3), the fixing bands (4.3) are fixed on the inner side wall of the separation membrane (5), the fiber strips (4.2) are fixed on the fixing bands (4.3), and the porous reticular microorganism carrier balls (4.1) are fixed on the fiber strips (4.2);
bottom fixing device (7), bottom fixing device (7) include grit (7.1) and steel pipe (7.3), grit (7.1) are located the folding position inboard of separating membrane (5), steel pipe (7.3) upper end and separating membrane (5) bottom fixed connection, steel pipe (7.3) lower extreme is inserted and is located the river bottom.
2. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the length of the floating body (1) is 1-1.2m, the floating body (1) comprises an outer membrane and a filler, the outer membrane is made of watertight HDPE, and the filler is made of a high polymer material with the density smaller than that of water.
3. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the height of the separation membrane (5) after being folded is higher than 20% of the highest water level of the river channel, the upper end of the separation membrane (5) is connected with the floating body (1) through a connecting ring (3), and the separation membrane (5) is made of a water-permeable PVC high polymer material.
4. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the water flow baffle is characterized by further comprising a flow baffle plate (2), wherein the flow baffle plate (2) is arranged on the upper portion of the separation membrane (5), the flow baffle plate (2) is composed of a plurality of galvanized steel pipes, the galvanized steel pipes are vertically arranged and are arranged in a row in the direction perpendicular to the water flow direction, the distance between every two adjacent galvanized steel pipes is 5-8cm, and the lower ends of the galvanized steel pipes are inserted into the bottom of a river.
5. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the fiber strips (4.2) are made of carbon fiber, the length of the fiber strips (4.2) is 350-450mm, 20-30 porous reticular microorganism carrier balls (4.1) are fixed on each fiber strip (4.2), and the fiber strips (4.2) and the porous reticular microorganism carrier balls (4.1) float in water.
6. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the distance between the fixing band (4.3) and the river bottom is 30-40cm, and the fixing band (4.3) is made of PVC high polymer materials.
7. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the device is characterized by further comprising an aeration device, wherein the aeration device comprises a microporous aeration disc (6) and a fan, the microporous aeration disc (6) is fixed at the position, 20-30cm away from the river bottom, of the inner side wall of the separation membrane (5), and the microporous aeration disc (6) is connected with the fan through a pipeline.
8. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 1, wherein: the steel pipe (7.3) are galvanized steel pipes, the steel pipe (7.3) are driven into the river bottom mud layer by 20cm, a clamping ring is prefabricated at the position of 20cm at the bottom of the steel pipe (7.3), a mounting hole is formed in the bottom end of the separation film (5), a positioning ring (7.2) is installed in the mounting hole, the outer diameter of the clamping ring is larger than that of the positioning ring (7.2), and the clamping ring is connected with the positioning ring (7.2).
9. The multifunctional double-layer soft barricade suitable for submerged plant cultivation according to claim 4 or 8, wherein: the inner diameter of the galvanized steel pipe is 20mm, the wall thickness is 2.8mm, and the bottom of the galvanized steel pipe is provided with a conical head.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111718004A (en) * | 2020-07-21 | 2020-09-29 | 岭南生态文旅股份有限公司 | Multi-functional double-deck soft wall that encloses suitable for submerged plant plants |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718004A (en) * | 2020-07-21 | 2020-09-29 | 岭南生态文旅股份有限公司 | Multi-functional double-deck soft wall that encloses suitable for submerged plant plants |
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