CN219079299U - Lake water quality purifying device - Google Patents

Abstract

The utility model discloses a lake water purification device, which comprises a central purification floating platform arranged on the water surface of a lake, and is characterized in that: the central purification floating platform is in a ladder shape with a wide bottom and a narrow top, the central purification floating platform consists of a lower layer platform, a middle layer platform and an upper layer platform which are arranged in a stacked manner from bottom to top, the inner cavity of each layer of platform is hollow, the top of the inner cavity of each layer of platform is open, the lower part of the inner cavity of each layer of platform is filled with a physical filter layer, the side wall of each layer of platform corresponding to the position of the physical filter layer is provided with a water outlet, the upper part of the inner cavity of each layer of platform is provided with aquatic plants, and the central purification floating platform is also provided with a water pump and a water lifting pipeline which can pump lake water to the upper layer of platform. The utility model has the beneficial effects of good water quality purifying effect, ecological environment protection in the purifying process and low maintenance cost.

Description

Lake water quality purifying device

Technical Field

The utility model relates to the field of water quality purification, in particular to a lake water quality purification device.

Background

At present, from the monitoring section data of lakes, the condition of water quality reduction of the lakes is common, and part of high-quality water quality of the lakes is reduced from class III to class IV, and the main influence indexes are turbidity, total phosphorus, chemical oxygen demand, five-day biochemical oxygen demand and other exceeding problems.

At present, in order to solve the problem that the water quality in urban lakes does not reach the standard, the main measures are to control the sewage discharge and enable the water body to recover from self-cleaning, but practice proves that the method can enable the water quality in the lakes to reach three or more water qualities reaching the standard from self-cleaning, and the time is 5-10 years, and the speed is slower. Therefore, a method for purifying water body assisted by aquatic plants and microorganisms is proposed by professionals, for example, chinese patent application No. CN201921648642.7 discloses a lake water quality purifying device, plants are planted on a water surface floating bed, and oxygen generated by photosynthesis of the plants is pumped into lake water through an air pump, so that the oxygen content of the lake water is increased, and the growth of floating algae is inhibited. The plants are supplemented with light through the light supplementing lamp, so that the plants can be subjected to photosynthesis for 24 hours, and the oxygen production is increased.

However, such methods have the following problems: 1. the physical impurities in the lake water cannot be filtered. 2. The light supplementing needs to consume a large amount of electric energy, which is not environment-friendly. 3. The light supplementing lamp works in a high humidity environment for a long time and needs to be frequently maintained and replaced.

In addition, the ecological greening island is built on part of the landscape lakes, the ecological greening island floats in the lakes, the plant community carries out biological adsorption and absorption on total phosphorus, nitrogen, chemical oxygen demand, five-day biochemical oxygen demand and the like in the water body, and the total amount of the treated water body is limited although the ecological greening island has a certain improvement effect on the peripheral water quality and water area and plays roles of greening and landscape.

Disclosure of Invention

The utility model aims to solve the defects of the background technology and provides the lake water quality purifying device which has good water quality purifying effect, ecological and environment-friendly purifying process and low maintenance cost.

In order to achieve the above purpose, the utility model provides a lake water purification device, including a central purification floating platform arranged on the lake water surface, which is characterized in that: the central purification floating platform is in a ladder shape with a wide bottom and a narrow top, the central purification floating platform consists of a lower layer platform, a middle layer platform and an upper layer platform which are arranged in a stacked manner from bottom to top, the inner cavity of each layer of platform is hollow, the top of the inner cavity of each layer of platform is open, the lower part of the inner cavity of each layer of platform is filled with a physical filter layer, the side wall of each layer of platform corresponding to the position of the physical filter layer is provided with a water outlet, the upper part of the inner cavity of each layer of platform is provided with aquatic plants, and the central purification floating platform is also provided with a water pump and a water lifting pipeline which can pump lake water to the upper layer of platform.

As a preferable scheme of the utility model, a plurality of plant floating blocks are arranged at the upper part of the inner cavity of each layer of platform, a planting groove is formed at the top of each plant floating block, a through hole through which the root system of the aquatic plant can pass is formed at the bottom of each plant floating block, the aquatic plant is arranged in the planting groove, and the root system of the aquatic plant passes through the through hole and is suspended below the plant floating block.

Further, the physical filter layer consists of a middle coarse sand layer and a pebble layer which are arranged up and down, and the water outlet holes are formed in the side wall of each layer of platform corresponding to the pebble layer.

The inner cavity of the lower layer platform is internally provided with a support column, the heights of the support column and the opening of the lower layer platform are equal, and the middle layer platform is arranged on the support column of the lower layer platform; the inner cavity of the middle layer platform is provided with a supporting column, the opening of the supporting column is equal in height to the opening of the middle layer platform, and the upper layer platform is arranged on the supporting column of the lower layer platform.

Further, the lower layer platform is of a cylindrical structure with the diameter of 10-15 m, the middle layer platform is of a cylindrical structure with the diameter of 6-8 m, the upper layer platform is of a cylindrical structure with the diameter of 3-4 m, and the lower layer platform, the middle layer platform and the upper layer platform are arranged in concentric circles in the vertical direction.

More further, around its a week on the lake surface around the central purification floating platform, the inner chamber cavity of supplementary purification floating platform and bottom are open, a plurality of planting holes have been seted up on the roof of supplementary purification floating platform, be equipped with aquatic plant in the planting hole, run through along its length direction in the inner chamber of supplementary purification floating platform and be equipped with the inlet tube, the one end of inlet tube is located supplementary purification floating platform, the other end and the water lifting pipeline intercommunication of inlet tube, a plurality of inlet openings have been seted up to the lateral wall that the inlet tube is located supplementary purification floating platform internal portion, the root system of aquatic plant in the planting hole covers the inlet opening.

And the auxiliary purification floating tables are arranged at equal intervals and are circumferentially arranged on the outer side of the central purification floating table, and the auxiliary purification floating tables are 8-12 m long, 2-4 m wide and 4-6 m high.

Further, the aperture of the water inlet holes is 0.5-1 cm, and the distance between adjacent water inlet holes is 15-15 cm.

Further, the water lifting pipelines are provided with a plurality of water outlets, and the water outlets of the water lifting pipelines are respectively positioned at the openings of the lower layer platform, the middle layer platform and the upper layer platform.

Further, the water pump is driven by the solar panel power supply.

The utility model adopts the three-layer ladder type central purification floating platform structure, so that lake water can freely fall between the upper, middle and lower layers of platforms to form drop water, the contact area between the drop water and air is increased, the oxygen content is further increased, and the growth of floating algae is inhibited. Secondly, the root system of the aquatic plant at the water inlet hole and the root system of the aquatic plant on the central purification floating platform adsorb, degrade and convert impurities in the lake water, so that the water quality purification is promoted to reach the standard. Finally, the physical filter layer consisting of the medium coarse sand layer and the pebble layer is used for physically filtering impurities in the lake water. In conclusion, the utility model has simple structure and convenient use, can effectively remove the problems of exceeding indexes such as chromaticity, turbidity, solid particle content, nitrogen, phosphorus and the like in water, ensures that the treated water quality can reach three standards, ensures that local indexes can reach two types, and has great popularization value.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a cross-sectional view taken along A-A of a central purge float.

Fig. 3 is a structural view of the plant-growing floating block.

FIG. 4 is a B-B cross-sectional view of the auxiliary purge float.

FIG. 5 is a C-C cross-sectional view of the auxiliary purge float.

In the figure: the central purification floating platform 1, the lower layer platform 1.1, the middle layer platform 1.2, the upper layer platform 1.3, the physical filter layer 2, the middle coarse sand layer 2.1, the pebble layer 2.2, the water outlet hole 3, the aquatic plant 4, the water pump 5, the water lifting pipeline 6, the plant floating block 7, the planting groove 8, the through hole 9, the support column 10, the auxiliary purification floating platform 11, the planting hole 12, the water inlet pipe 13, the water inlet hole 14 and the solar panel 15.

Detailed Description

The following describes the utility model in further detail, including preferred embodiments, by way of the accompanying drawings and by way of examples of some alternative embodiments of the utility model.

Examples: the lake water purification device shown in figures 1-5 comprises a central purification floating platform 1 arranged on the lake water surface, wherein the central purification floating platform 1 is in a ladder shape with a wide bottom and a narrow top, the central purification floating platform 1 consists of a lower layer platform 1.1, a middle layer platform 1.2 and an upper layer platform 1.3 which are arranged in a stacked manner from bottom to top, the inner cavity of each layer of platform is hollow, the top of the inner cavity of each layer of platform is open, and the lower part of the inner cavity of each layer of platform is filled with a physical filter layer 2. The physical filter layer 2 consists of a middle coarse sand layer 2.1 and a pebble layer 2.2 which are arranged up and down, the middle coarse sand layer 2.1 and the pebble layer 2.2 are separated by geotechnical cloth, and water outlet holes 3 are formed in the side wall of each layer of platform corresponding to the pebble layer 2.2.

The inner cavity of the lower layer platform 1.1 is provided with a support column 10, the support column 10 is equal in height to the opening of the lower layer platform 1.1, and the middle layer platform 1.2 is erected on the support column 10 of the lower layer platform 1.1; the inner cavity of the middle layer platform 1.2 is provided with a support column 10, the opening of the support column 10 and the middle layer platform 1.2 are equal in height, and the upper layer platform 1.3 is erected on the support column 10 of the lower layer platform 1.1.

The lower layer platform 1.1 is of a cylindrical structure with the diameter of 10-15 m, the middle layer platform 1.2 is of a cylindrical structure with the diameter of 6-8 m, the upper layer platform 1.3 is of a cylindrical structure with the diameter of 3-4 m, and the lower layer platform 1.1, the middle layer platform 1.2 and the upper layer platform 1.3 are arranged in concentric circles in the vertical direction. The lower layer platform 1.1, the middle layer platform 1.2, the upper layer platform 1.3 and the support column 10 are made of bricked or concrete materials.

The upper portion of every layer of platform inner chamber is equipped with a plurality of planting floating blocks 7, and planting groove 8 has been seted up at the top of planting floating block 7, and through-hole 9 that can supply water to plant 4 root system to pass has been seted up to the bottom of planting floating block 7, and aquatic plant 4 locates planting inslot 8, and aquatic plant 4 root system passes through-hole 9 and hangs in planting floating block 7 below.

The central purification floating platform 1 is also provided with a water pump 5 and a plurality of water lifting pipelines 6, water outlets 3 of the water lifting pipelines 6 are respectively positioned at openings of the lower-layer platform 1.1, the middle-layer platform 1.2 and the upper-layer platform 1.3, and the water pump 5 is driven by power supplied by the solar panel 15.

Eight auxiliary purification floating tables 11 are arranged on the lake water surface around the central purification floating table 1 around the lake water surface, the eight auxiliary purification floating tables 11 are arranged on the outer side of the central purification floating table 1 in an equidistant surrounding mode, the auxiliary purification floating tables 11 are 8-12 m long, 2-4 m wide and 4-6 m high. The auxiliary purification floating platform 11 adopts log or phyllostachys pubescens, the inner cavity of the auxiliary purification floating platform 11 is hollow and the bottom is open, a plurality of planting holes 12 are formed in the top wall of the auxiliary purification floating platform 11, aquatic plants 4 are arranged in the planting holes 12, a water inlet pipe 13 penetrates through the inner cavity of the auxiliary purification floating platform 11 along the length direction of the inner cavity, the water inlet pipe 13 is a hard pipe, one end of the water inlet pipe 13 is positioned in the auxiliary purification floating platform 11, and the other end of the water inlet pipe 13 is communicated with the water lifting pipeline 6. The side wall of the water inlet pipe 13, which is positioned in the auxiliary purification floating platform 11, is provided with a plurality of water inlet holes 14, and the root systems of the aquatic plants 4 in the planting holes 12 cover the water inlet holes 14. The aperture of the water inlet 14 is 0.5-1 cm, and the distance between the adjacent water inlet 14 is 15-25 cm. The auxiliary purification floating platform 11 not only filters the lake water, but also plays a role of assisting the balance center purification floating platform 1 to prevent the falling.

The working process of the utility model is as follows:

the water pump 5 pumps lake water to the central purification floating platform 1 through the water inlet pipe 13 and the water lifting pipeline 6 under the power supply drive of the solar panel 15. In the process, the root system of the aquatic plant 4 on the auxiliary purifying floating platform 11 filters the lake water entering the water inlet hole 14.

Lake water is pumped to the openings of the lower layer platform 1.1, the middle layer platform 1.2 and the upper layer platform 1.3 of the central purification floating platform 1 by a plurality of water lifting pipelines 6 respectively and gradually fills the inner cavities of the water lifting pipelines. In the process that the inner cavities of the lower layer platform 1.1, the middle layer platform 1.2 and the upper layer platform 1.3 are gradually filled with lake water, a part of lake water is physically filtered through the group of the middle coarse sand layer 2.1 and the pebble layer 2.2 in each layer of platform, and then flows into the lower layer platform through the water outlet holes 3 on the side wall of each layer of platform. Meanwhile, the plant-growing floating blocks 7 float on the surface of the lake water in each layer of platform, and the root system of the plant-growing floating blocks is used for filtering the lake water.

After the inner cavities of the lower layer platform 1.1, the middle layer platform 1.2 and the upper layer platform 1.3 are gradually filled with lake water, redundant lake water flows over the edge of each layer of platform and falls to the lower layer of platform, so that drop water is formed, the contact area of the lake water and air is increased, the oxygen content is increased, and the growth of floating algae is inhibited. In addition, the power of the water pump 5 can be regulated to enable the lake water to form water spray through the water outlet of the water lifting pipeline 6, so that the lake water forms water fall when falling into the inner cavity of each layer of platform, the oxygen content of the lake water is further increased, and meanwhile, a fountain type landscape can be formed.

The aquatic plant 4 mainly includes:

submerged aquatic plants: goldfish algae, herba Sonchi Oleracei, and herba Potamogeton crispus.

High-stalk aquatic plants: emerging aquatic plants, lotus, shallot, reed, and the like.

Aquatic vines: vinic aeolian flowers, vine roses, bay vine, garlic vine and the like.

Multiple aquatic plants can be selected for collocation to form a greening landscape.

Compared with the prior art, the utility model has the advantages that:

1. the three-layer ladder type central purification floating platform 1 is adopted, so that lake water can freely fall between the upper, middle and lower layers of platforms to form water fall, the contact area between the lake water and air is increased, the oxygen content is further increased, and the growth of floating algae is inhibited.

2. The water quality purification standard is promoted by absorbing, degrading and converting impurities in the lake water through the root system of the aquatic plant 4 at the water inlet 14 and the root system of the aquatic plant 4 on the central purification floating platform 1 and by physically filtering the impurities in the lake water by the physical filter layer 2 consisting of the middle coarse sand layer 2.1 and the pebble layer 2.2.

3. The water pump 5 is driven by the power supply of the solar panel 15, an additional circuit is not required, and the safety of normal use is ensured while the electric energy is saved.

4. The whole device runs autonomously at ordinary times without consumable materials, and the maintenance cost is low.

5. The three-layer stepped central purification floating platform 1 and the auxiliary purification floating platform 11 surrounding the three-layer stepped central purification floating platform form an aquatic flower bed type ecological greening landscape.

The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the structure of the present utility model in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (10)

1. The utility model provides a lake water purification device, includes center purification floating platform (1) of locating on the lake surface of water, its characterized in that: the center purifies the echelonment that floating platform (1) is wide down and narrow on, and center purifies floating platform (1) and comprises lower floor's platform (1.1), middle level platform (1.2) and upper strata platform (1.3) of range upon range of arrangement from down, and the inner chamber cavity of every layer of platform is hollow and the top is open, and the lower part of every layer of platform inner chamber is filled there is physical filter layer (2), has offered apopore (3) on the lateral wall of every layer of platform position that corresponds physical filter layer (2), and the upper portion of every layer of platform inner chamber is equipped with aquatic plant (4), still be equipped with on center purifies floating platform (1) can take out lake water pump (5) and water lifting pipeline (6) of upper strata platform (1.3).

2. The lake water purification device of claim 1, wherein: the planting device is characterized in that a plurality of planting floating blocks (7) are arranged on the upper portion of each layer of platform inner cavity, planting grooves (8) are formed in the tops of the planting floating blocks (7), through holes (9) capable of allowing roots of aquatic plants (4) to pass through are formed in the bottoms of the planting floating blocks (7), the aquatic plants (4) are arranged in the planting grooves (8), and the roots of the aquatic plants (4) vertically hang below the planting floating blocks (7) through the through holes (9).

3. The lake water purification device of claim 1, wherein: the physical filter layer (2) consists of an intermediate coarse sand layer (2.1) and a pebble layer (2.2) which are arranged up and down, and the water outlet holes (3) are formed in the side wall of each layer of platform, which corresponds to the pebble layer (2.2).

4. The lake water purification device of claim 1, wherein: the inner cavity of the lower layer platform (1.1) is provided with a support column (10), the support column (10) is equal in height to the opening of the lower layer platform (1.1), and the middle layer platform (1.2) is erected on the support column (10) of the lower layer platform (1.1); the inner cavity of the middle layer platform (1.2) is internally provided with a support column (10), the heights of the support column (10) and the opening of the middle layer platform (1.2) are equal, and the upper layer platform (1.3) is erected on the support column (10) of the lower layer platform (1.1).

5. The lake water purification device of claim 1, wherein: the lower layer platform (1.1) is of a cylindrical structure with the diameter of 10-15 m, the middle layer platform (1.2) is of a cylindrical structure with the diameter of 6-8 m, the upper layer platform (1.3) is of a cylindrical structure with the diameter of 3-4 m, and the lower layer platform (1.1), the middle layer platform (1.2) and the upper layer platform (1.3) are arranged in concentric circles in the vertical direction.

6. The lake water purification device of claim 1, wherein: the utility model discloses a water purification device for the water plants, including central purification floating platform (1), inner chamber, water inlet pipe (14) are set up in the inner chamber cavity of supplementary purification floating platform (11) and bottom is uncovered, a plurality of planting holes (12) have been seted up on the roof of supplementary purification floating platform (11), be equipped with aquatic plant (4) in planting hole (12), run through along its length direction in the inner chamber of supplementary purification floating platform (11) and be equipped with inlet tube (13), the one end of inlet tube (13) is located supplementary purification floating platform (11), and the other end and the water lifting pipeline (6) of inlet tube (13) communicate, a plurality of inlet openings (14) have been seted up to the lateral wall that inlet tube (13) are located supplementary purification floating platform (11) internal position, root system of aquatic plant (4) in planting hole (12) covers inlet opening (14).

7. The lake water purification device of claim 6, wherein: eight auxiliary purification floating tables (11) are arranged on the outer side of the central purification floating table (1) in an equidistant surrounding mode, and the auxiliary purification floating tables (11) are 8-12 m long, 2-4 m wide and 4-6 m high.

8. The lake water purification device of claim 6, wherein: the aperture of the water inlet holes (14) is 0.5-1 cm, and the distance between adjacent water inlet holes (14) is 15-25 cm.

9. The lake water purification device of claim 1, wherein: the water lifting pipelines (6) are provided with a plurality of water outlets, and the water outlets of the water lifting pipelines (6) are respectively positioned at the openings of the lower-layer platform (1.1), the middle-layer platform (1.2) and the upper-layer platform (1.3).

10. The lake water purification device of claim 1, wherein: the water pump (5) is driven by power supply of the solar panel (15).

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