CN214495877U - Ecosystem constructed by tidal artificial wetland and multi-dimensional ecological floating island - Google Patents
Ecosystem constructed by tidal artificial wetland and multi-dimensional ecological floating island Download PDFInfo
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- CN214495877U CN214495877U CN202120515545.1U CN202120515545U CN214495877U CN 214495877 U CN214495877 U CN 214495877U CN 202120515545 U CN202120515545 U CN 202120515545U CN 214495877 U CN214495877 U CN 214495877U
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Abstract
The utility model relates to the technical field of ecological treatment, in particular to an ecological system constructed by a tidal artificial wetland and a multidimensional ecological floating island, which comprises a water inlet control system and a multi-stage tidal flow artificial wetland system, wherein the multi-stage tidal flow artificial wetland system comprises a plurality of subunit wetlands which are mutually connected in series and form a ladder structure; each subunit wetland comprises a bed body and a plant system, wherein the bed body is internally provided with a filler and a siphon pipe, the siphon pipe is arranged on the side wall of the bed body, and the siphon pipe is connected with the adjacent subunit wetlands. The water inlet control system is used for controlling the water inlet of the multi-stage tidal flow artificial wetland system, the operation mode of the multi-stage tidal flow artificial wetland in the prior art is changed into indirect operation, and the alternating conversion of aerobic and anoxic states of the wetland is realized through water level change based on the characteristics of the tidal flow wetland; through the matrix of improvement vertical current constructed wetland system, the footpath is greater than the top layer, has strengthened the utility model discloses an effect of siphon effect has prevented ecosystem's jam.
Description
Technical Field
The utility model relates to the technical field of ecological treatment, in particular to an ecosystem constructed by a tidal artificial wetland and a multidimensional ecological floating island.
Background
The artificial wetland is a novel ecological treatment technology developed in recent years, and has attracted more and more attention due to the advantages of small occupied area, good treatment effect, good sanitary condition and the like. The artificial wetland is constructed by a controllable marsh ground in an artificial construction mode. The sewage is controllably delivered to the wetland and flows along a certain direction, and is treated by the ways of filtration, sedimentation, adsorption, ion exchange, microbial decomposition, plant absorption and the like under the coordination of physics, chemistry and biology. The artificial wetland has good effects on the removal of organic matters, heavy metals, disinfection by-product precursors and the like, is widely applied to the fields of water quality purification and recovery of polluted water, non-point source pollution control, rainwater treatment and utilization, sewage treatment and the like, and has the remarkable advantages of stable pollutant removal effect, low investment, low operation cost and the like.
The tidal flow wetland is an artificial wetland researched and proposed by Bimingham university in recent years, and is mainly characterized in that the bed body of the wetland is filled with water and drained in an intermittent water inlet mode, and when sewage fills the bed body, air in the bed body is squeezed out and consumed, and a mechanism is gradually submerged. When the sewage is discharged, a large amount of air enters the bed body. The air movement caused by the alternate water inlet and outlet enables the interior of the wetland to continuously form an aerobic-anaerobic process, thereby realizing the removal of pollutants.
The floating island is a carrier constructed by using the principle of ecological engineering, and then the aquatic plants or the improved domesticated terrestrial plants are transplanted to the water surface carrier manually, and the plants on the floating island grow competitively and absorb nitrogen, phosphorus and other nutrients by using the root system, so that the nutrients in the water body are transferred to the plants. The floating island purification technology can improve the water quality, greatly improve the transparency of the water body and particularly has good inhibition effect on algae.
In the prior art, plants are planted on the surface of a wetland, the planting density is low, the filler is made of heavy materials such as crushed stone ceramsite and the like, the blockage is easy to lose efficacy, and the workload of cleaning and maintaining is huge. The filler of the surface flow wetland and the vertical flow wetland is soaked in water for a long time and is in an anoxic or anaerobic environment, the sewage flows in the filler, and oxygen brought to microorganisms in the filler is relatively limited. Meanwhile, as the filler is mainly the crushed stone ceramsite, the surface area of the filler for the attachment and growth of microorganisms is not large enough.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: in order to solve the problems existing in the prior art, the utility model provides an ecosystem that tidal artificial wetland and multidimensional ecological floating island are constructed.
In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:
an ecological system constructed by a tidal artificial wetland and a multi-dimensional ecological floating island comprises a water inlet control system and a multi-stage tidal flow artificial wetland system, wherein the water inlet control system is arranged in the multi-stage tidal flow artificial wetland system and is used for controlling the water inlet of the multi-stage tidal flow artificial wetland system;
the multi-stage tidal flow artificial wetland system comprises a plurality of subunit wetlands which are connected in series, wherein the subunit wetlands form a ladder structure; each subunit wetland comprises a bed body and a plant system, wherein the bed body is internally provided with a filler and a siphon, the plant system is arranged on the filler, the siphon is arranged on the side wall of the bed body, and the siphon is connected with the adjacent subunit wetland;
the water inlet control system comprises a water inlet pipe, an electromagnetic valve, a control box and a liquid level sensor, wherein the water inlet pipe is communicated with the subunit wetland, the electromagnetic valve is arranged on the water inlet pipe, the liquid level sensor is arranged in the bed body, and the control box is respectively connected with the electromagnetic valve and the liquid level sensor.
As an improvement of the technical scheme of the ecological system constructed by the tidal artificial wetland and the multidimensional ecological floating island, the water inlet control system also comprises a water pump, and the water pump is connected with the water inlet pipe; and a PLC and a timer are arranged in the control box.
As an improvement of the technical scheme of the ecological system constructed by the tidal artificial wetland and the multidimensional ecological floating island, the water inlet control system is arranged at the first place of the subunit wet place.
As an improvement of the technical scheme of the ecological system constructed by the tidal artificial wetland and the multidimensional ecological floating island, the plant system comprises a floating body, a net, soil and plants; the floating body is arranged on the filler, the net is laid on the floating body, and the plants are placed on the net through the soil.
As an improvement of the technical scheme of the ecosystem that tidal constructed wetland and multidimensional ecological floating island are constructed, the inlet tube and the siphon are all connected with a perforated water distributor, which is arranged inside the bed body.
As an improvement of the technical scheme of the ecological system constructed by the tidal artificial wetland and the multidimensional ecological floating island, the height difference between two adjacent subunit wetlands is 40-50 cm.
As an improvement of the technical scheme of the ecological system constructed by the tidal artificial wetland and the multidimensional ecological floating island, the filler is porous polyurethane filler.
The utility model has the advantages that:
1. the water inlet control system controls the opening and closing of the electromagnetic valve according to the height of the liquid level, so that the indirect water inlet effect is realized, the water filling and draining of the bed body are realized, and the effect of removing pollutants in sewage is realized;
2. the siphon effect of the utility model is enhanced and the blockage is effectively prevented by using the effluent of the upper subunit wetland as the inlet of the lower subunit wetland through a plurality of subunit wetlands which are connected in series and form a ladder structure, which is different from the existing surface flow and vertical flow wetlands;
3. the plant system floats upwards due to the buoyancy generated by the floating body, and the plant root system is soaked in the sewage, so that the planting density of the plant can be increased compared with the prior art that the plant is planted on the surface of the wetland.
Drawings
FIG. 1 is a schematic view of the flow structure of the present invention;
FIG. 2 is a schematic plan view of the sub-unit wetland of the present invention;
fig. 3 is a schematic view of the sectional structure of the subunit wetland in the present invention.
Description of reference numerals: 1-subunit wetland; 2-bed body; 3-a plant system; 4-a filler; 5-siphon tube; 6-water inlet pipe; 7-an electromagnetic valve; 8-a control box; 9-a liquid level sensor; 10-a water pump; 11-a float; 12-a plant; 13-perforated water distribution pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1, an ecosystem constructed by a tidal artificial wetland and a multi-dimensional ecological floating island comprises a water inlet control system and a multi-stage tidal flow artificial wetland system, wherein the water inlet control system is arranged in the multi-stage tidal flow artificial system and is used for controlling the water inlet of the multi-stage tidal flow artificial wetland system.
The multi-stage tidal flow artificial wetland system comprises a plurality of subunit wetlands 1 which are connected in series, and the subunit wetlands 1 form a ladder structure. Each subunit wetland 1 comprises a bed body 2, a filler 4 and a siphon 5 are arranged in the bed body 2, a plant system 3 is arranged on the filler 4, the siphon 5 is arranged on the side wall of the bed body 2, and the siphon 5 is connected with the adjacent subunit wetland 1.
The water inlet control system comprises a water inlet pipe 6, an electromagnetic valve, a control box 8 and a liquid level sensor 9, wherein the water inlet pipe 6 is communicated with a first subunit wetland 1, the electromagnetic valve is arranged on the water inlet pipe 6, the liquid level sensor 9 is arranged in a bed body 2, and the control box 8 is respectively connected with the electromagnetic valve and the liquid level sensor 9. Preferably, the filler 4 is a porous polyurethane filler 4, the specific surface area of the filler is large, attachment and growth of microorganisms are facilitated, the specific gravity of the filler is close to a suspension state in water, water flow is facilitated, and blockage is avoided more effectively.
As a preferred item of the utility model, the height difference of the adjacent two subunit wetlands 1 is 40-50cm, which is convenient for the siphon 5 to feed water into the lower subunit wetland 1.
The utility model discloses when using, intake to subunit wetland 1 through inlet tube 6, through the height of the level in the level sensor 9 response bed body 2 in subunit wetland 1, opening and closing of 8 control solenoid valves of control box realizes the effect of intaking to subunit wetland 1 through the control system control of intaking. Simultaneously, because a plurality of subunit wetlands 1 form the ladder structure, and siphon 5 connects adjacent subunit wetland 1, the play water of higher level subunit wetland 1 is as the intake of subordinate subunit wetland 1, and the water in the subunit wetland 1 of first level flows to the subunit wetland 1 of next stage through siphon 5 in, and is different with current surface current and vertical current wetland, has strengthened the utility model discloses a siphon effect has prevented the jam effectively.
The utility model discloses in, through the intaking of the multistage tidal current constructed wetland system of the control system control of intaking, change the operation mode of multistage tidal current constructed wetland among the prior art into indirect operation, based on the characteristics of tidal current wetland, through water level variation, realized the alternative transform of wetland good oxygen and oxygen deficiency. Simultaneously, through the matrix of improvement vertical current constructed wetland system, the footpath is greater than the top layer, has strengthened the utility model discloses an effect of siphon effect has prevented ecosystem's jam.
In detail, since the multi-stage tidal flow constructed wetland system includes a plurality of sub-unit wetlands 1 connected in series with each other, and the plurality of sub-unit wetlands 1 form a stepped structure, in the present application, the plurality of sub-unit wetlands 1 form a stepped structure, and each sub-unit wetland 1 is, for example, an ecological floating island. Still because every subunit wetland 1 all includes the bed body 2, be provided with filler 4 in the bed body 2, the bed body 2 of the first subunit wetland 1 of inlet tube 6 intercommunication, the bed body 2 of inlet tube 6 intercommunication first level subunit wetland 1 promptly, when sewage passes through first level subunit wetland 1, the effect of getting rid of the pollutant has been realized, then sewage flows to next-level subunit wetland 1 through siphon 5, different with current surface flow and vertical flow wetland, through a plurality of subunit wetlands 1, the matrix of the system through improvement vertical flow constructed wetland has been realized, the footpath is greater than the top layer, strengthened the utility model discloses an effect of siphon effect has prevented the effect of ecosystem's jam.
Meanwhile, the water inlet control system controls the water inlet of the water inlet pipe 6, the operation mode of the multistage tidal flow artificial wetland in the prior art is changed into indirect operation, and the alternate conversion of aerobic and anoxic states of the wetland is realized through water level change. Because be provided with level sensor 9 in the bed body 2, and control box 8 is connected with solenoid valve and level sensor 9 respectively, when using, through level sensor 9 response bed body 2 water level's height, control box 8 is according to the condition of water level height, the opening and closing of control solenoid valve realizes the effect of intaking to subunit wetland 1 through the control system control of intaking.
As the utility model discloses a preferred technical scheme, control system that intakes sets up in first level subunit wetland 1 department, because the bed body 2 of inlet tube 6 intercommunication first level subunit wetland 1 can set up the appointed high department in the bed body 2 of first level subunit wetland 1 to level sensor 9, when the water level in the bed body 2 is less than the appointed height, controller control solenoid valve is opened, makes sewage enter into the bed body 2 in, also makes control system that intakes's setting more economize the cost like this.
As an implementation mode of the utility model, in the first-stage subunit wetland 1, the water inlet pipe 6 and the siphon 5 are arranged on the two opposite sides of the bed body 2, so that the flowing distance of sewage in the bed body 2 is maximized. Preferably, the water inlet control system further comprises a water pump 10, the water pump 10 is connected with the water inlet pipe 6, and water inlet pressure is provided through the water pump 10. More preferably, a PLC and a timer are arranged in the control box 8, and the PLC controls the opening and closing of the electromagnetic valve, and the timer controls the water filling time and the draining time of the wetland.
The plant system 3 comprises a floating body 11, a net, soil and plants 12; the floating body 11 is arranged on the filler 4, the net is laid on the floating body 11, and the plant 12 is placed on the net through soil. The plant 12 is one or more of swamp cabbage, reed, cattail, cyperus, zizania latifolia and saxifrage, and the planting density is about 10-20 plants/m2。
As an improvement of the technical scheme of the utility model, the inlet tube 6 with siphon 5 all is connected with perforation water distributor 7, and perforation water distributor 7 sets up inside bed body 2, can be under perforation water distributor 7's effect for the speed of sewage business turn over inlet tube 6 and siphon 5 has improved sewage treatment's efficiency.
The utility model discloses ecosystem's that morning and evening tides formula constructed wetland and multidimension ecological chinampa found theory of operation flow: the sewage enters the primary subunit wetland 1 through the water inlet pipe 6, suspended matters are precipitated in the subunit wetland 1 under the action of gravity, and the suspended matters are attached to and accumulated on the surface of the filler 4. When the sewage enters the primary subunit wetland 1, the timer starts to time; when the liquid level in the bed body 2 in the first-stage subunit wetland 1 reaches the designated height, the control box 8 closes the electromagnetic valve, so that the water inlet pipe 6 stops feeding water, the water pump 10 stops working, and the timer stops timing. The plant system 3 in the subunit wetland 1 floats up due to the buoyancy generated by the floating bodies 11, and the roots of the plants 12 are soaked in the sewage.
Under the action of the siphon pipes 5 of the plurality of the subunit wetlands 1, the effluent of the upper subunit wetland 1 is taken as the inlet water of the lower subunit wetland 1, the sewage flows into the next subunit wetland 1 through the siphon pipes 5, and when the sewage reaches the position of the last subunit wetland 1, the sewage is discharged out of the multi-stage tidal flow artificial wetland system.
Along with the siphon 5 gradually discharges sewage to the lower subunit wetland 1, the liquid level in the bed body 2 gradually drops, the filler 4 contacts with the air, the utilization of the oxygen in the air by the microorganisms attached to the filler 4 is greatly improved, and the growth of the microorganisms is greatly facilitated.
And the timer restarts timing until the liquid level is reduced to the position of the liquid level sensor 9, the liquid level sensor 9 transmits information to the control box 8, the control box 8 controls the electromagnetic valve to be opened, the water pump 10 is started, and the sewage is enabled to enter the subunit wetland 1 again.
Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. An ecosystem constructed by a tidal artificial wetland and a multi-dimensional ecological floating island is characterized by comprising a water inlet control system and a multi-stage tidal flow artificial wetland system, wherein the water inlet control system is arranged in the multi-stage tidal flow artificial wetland system and is used for controlling the water inlet of the multi-stage tidal flow artificial wetland system;
the multi-stage tidal flow artificial wetland system comprises a plurality of subunit wetlands which are connected in series, wherein the subunit wetlands form a ladder structure; each subunit wetland comprises a bed body and a plant system, wherein the bed body is internally provided with a filler and a siphon, the plant system is arranged on the filler, the siphon is arranged on the side wall of the bed body, and the siphon is connected with the adjacent subunit wetland;
the water inlet control system comprises a water inlet pipe, an electromagnetic valve, a control box and a liquid level sensor, wherein the water inlet pipe is communicated with the subunit wetland, the electromagnetic valve is arranged on the water inlet pipe, the liquid level sensor is arranged in the bed body, and the control box is respectively connected with the electromagnetic valve and the liquid level sensor.
2. The ecosystem built by the tidal constructed wetland and the multidimensional ecological floating island according to claim 1, wherein the water inlet control system further comprises a water pump, and the water pump is connected with the water inlet pipe; and a PLC and a timer are arranged in the control box.
3. The ecosystem of tidal constructed wetland and multi-dimensional ecological floating islands according to claim 2, wherein the water inlet control system is arranged at the wet place of the first subunit.
4. The ecosystem for the tidal constructed wetland and the multidimensional ecological floating island according to claim 1, wherein the plant system comprises floating bodies, nets, soil and plants; the floating body is arranged on the filler, the net is laid on the floating body, and the plants are placed on the net through the soil.
5. The ecosystem of the tidal constructed wetland and the multidimensional ecological floating island according to claim 1, wherein the water inlet pipe and the siphon pipe are both connected with a perforated water distribution pipe, and the perforated water distribution pipe is arranged inside the bed body.
6. The ecosystem of the tidal constructed wetland and the multidimensional ecological floating island according to claim 1, wherein the height difference between two adjacent sub-unit wetlands is 40-50 cm.
7. The ecosystem of tidal constructed wetland and multidimensional ecological floating islands according to claim 1, wherein the filler is a porous polyurethane filler.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149083A (en) * | 2021-11-26 | 2022-03-08 | 哈尔滨工业大学（深圳） | Plant carbon source based novel composite artificial wetland system and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149083A (en) * | 2021-11-26 | 2022-03-08 | 哈尔滨工业大学（深圳） | Plant carbon source based novel composite artificial wetland system and application thereof |
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