CN209835763U - Bidirectional self-cleaning anti-blocking composite vertical flow constructed wetland - Google Patents
Bidirectional self-cleaning anti-blocking composite vertical flow constructed wetland Download PDFInfo
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- CN209835763U CN209835763U CN201920419882.3U CN201920419882U CN209835763U CN 209835763 U CN209835763 U CN 209835763U CN 201920419882 U CN201920419882 U CN 201920419882U CN 209835763 U CN209835763 U CN 209835763U
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Abstract
The utility model discloses a compound vertical current constructed wetland is prevented blockking up by two-way self-cleaning, including the wetland pond, the wetland pond sets up on the crane, and wetland pond and crane constitute lift wetland unit, and lift wetland unit is a plurality of, and the bottom in the wetland pond of adjacent lift wetland unit is through the intercommunication hose intercommunication. The utility model discloses can freely adjust down the pond and go upward the elevation difference between the pond, supplement the overflow force through increasing both elevation differences when the flood peak is not enough. The ascending tank and the descending tank can be operated alternately in function, when the original descending tank is seriously blocked, the original descending tank is used as the ascending tank, the ascending water is used for back flushing the blocked area, the back flushing does not waste a clean water source, the energy consumption is avoided, and the normal operation of the wetland is not interrupted. And the modular design is adopted, the treatment efficiency is high, the operation is stable, and the combination among the units is free and convenient.
Description
Technical Field
The utility model relates to a compound vertical current constructed wetland treatment sewage technical field, concretely relates to compound vertical current constructed wetland is prevented blockking up by two-way self-cleaning.
Background
The composite vertical flow artificial wetland is a novel vertical flow artificial wetland and consists of a descending pool and an ascending pool. Sewage flows through the descending tank from top to bottom uniformly through a water distribution pipe at the top of the descending tank, then enters the ascending tank through a communicating hole at the bottom, then passes through the ascending tank from bottom to top, is purified by plants on the surfaces of the descending tank and the ascending tank and filler inside, and is finally collected by a water collecting pipe on the surface of the ascending tank and then discharged outside. The composite vertical flow artificial wetland has good nitrogen and phosphorus removal capability, and is a hot spot for researching the vertical flow artificial wetland at present.
The water resistance of the traditional composite vertical flow artificial wetland is larger than that of the conventional vertical flow artificial wetland, so that a descending pool (particularly the position of 0-5 cm on the surface layer) is easy to block; and the ascending tank is not easy to block because the inlet water is treated by the descending tank and the concentration of suspended matters is low. Therefore, a plurality of composite vertical flow artificial wetlands are additionally provided with the backwashing devices in the descending pool, and the backwashing devices have higher cost and energy consumption and can block the normal operation of the wetlands during backwashing.
Therefore, aiming at the defects in the prior art, the research on the bidirectional self-cleaning anti-blocking composite vertical flow constructed wetland is necessary, wherein the bidirectional self-cleaning anti-blocking composite vertical flow constructed wetland has strong anti-blocking capability and can automatically clean the packing layer, and the normal operation of the wetland is not influenced during cleaning.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of existence among the prior art, provide a compound vertical current constructed wetland is prevented blockking up by two-way self-cleaning, anti-clogging ability is strong, ability self-cleaning packing layer, does not influence wetland normal operating when wasing.
The purpose of the utility model is realized through the following technical measures:
the utility model provides a compound vertical current constructed wetland is prevented blockking up by two-way self-cleaning, includes the wetland pond, and the wetland pond sets up on the crane, and wetland pond and crane constitute lift wetland unit, and lift wetland unit is a plurality of, and the bottom in the wetland pond of adjacent lift wetland unit is through the intercommunication hose intercommunication.
The wetland pond is internally provided with a lower packing layer, an intermediate packing layer and an upper packing layer from bottom to top in sequence, wetland plants are planted on the upper packing layer, and the upper packing layer is also provided with a bidirectional water inlet and outlet pipe.
The side wall of the wetland pool is a stainless steel plate or a composite polyethylene plate, and the top of the side wall of the wetland pool is 200-300 mm higher than the top of the upper packing layer.
The wetland plant is reed, iris, canna or calamus.
The upper packing layer is a gravel packing with the particle size of 8-15 mm, and the middle packing layer is a gravel packing with the particle size of 20-40 mm; the lower packing layer is a gravel packing with the particle size of 50-80 mm; the thicknesses of the upper filler layer, the middle filler layer and the lower filler layer are all 300-400 mm.
The bidirectional water inlet and outlet pipe is a PE or UPVC pipe, the bidirectional water inlet and outlet pipe comprises a water inlet and outlet pipe and a water distribution pipe communicated with a water inlet and outlet end, the pipe diameters of the water inlet and outlet pipe and the water distribution pipe are both 80-150 mm, water inlet and outlet holes are formed in the pipe wall of the water distribution pipe, the aperture of each water inlet and outlet hole is 10-20 mm, the distance between every two adjacent water inlet and outlet holes is 150-200 mm, and the water distribution pipe is arranged on the upper packing layer in a shape of a Chinese character.
The lifting frame comprises an upper platform and a lower lifting support, wherein the upper platform is arranged at the top of the lower lifting support, and the wetland pool is arranged on the upper platform.
The upper platform as described above is a reinforced concrete slab or a stainless steel plate.
The communication hose is a rubber hose or a PVC hose, the pipe diameter of the communication hose is 150 mm-200 mm, and one or more communication hoses for communicating the bottoms of the wetland pools of the adjacent lifting wetland units are provided.
Compared with the prior art, the utility model, following beneficial effect does have:
1. the height difference between the descending pool and the ascending pool can be freely adjusted, and when the water head is insufficient, the overflow force is supplemented by increasing the height difference between the descending pool and the ascending pool.
2. The ascending tank and the descending tank can be operated alternately in function, when the original descending tank is seriously blocked, the original descending tank is used as the ascending tank, the ascending water is used for back flushing the blocked area, the back flushing does not waste a clean water source, the energy consumption is avoided, and the normal operation of the wetland is not interrupted.
3. And the modular design is adopted, the treatment efficiency is high, the operation is stable, and the combination among the units is free and convenient.
Drawings
Fig. 1 is a schematic view of a connection structure of two adjacent lifting wetland units of the present invention;
fig. 2 is a schematic top view of the wetland pool of the present invention.
Wherein: 1-lifting wetland unit; 2-a communication hose; 3-a wetland pool; 4, lifting the rack; 5-side walls of the wetland pool; 6-wetland plants; 7-filling the filler layer; 8-filling the filler layer; 9-lower packing layer; 10-bidirectional water inlet and outlet pipes; 11-an upper platform; 12-lower lifting support.
Detailed Description
To facilitate understanding and practice of the invention by those of ordinary skill in the art, the following detailed description of the invention is provided in connection with the examples, and it is to be understood that the examples described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Example 1:
the utility model provides a compound vertical current constructed wetland is prevented blockking up by two-way self-cleaning, includes wetland pond 3, and wetland pond 3 sets up on crane 4, and wetland pond 3 and crane 4 constitute lift wetland unit 1, and lift wetland unit 1 is a plurality of, and the bottom in the wetland pond 3 of adjacent lift wetland unit 1 is through the intercommunication hose 2 intercommunication.
A lower packing layer 9, a middle packing layer 8 and an upper packing layer 7 are sequentially arranged in the wetland pool 3 from bottom to top, wetland plants 6 are planted on the upper packing layer 7, and a bidirectional water inlet and outlet pipe 10 is also arranged on the upper packing layer 7.
The side wall of the wetland pool 3 is a stainless steel plate or a composite polyethylene plate, and the top of the side wall of the wetland pool 3 is 200-300 mm higher than the top of the upper packing layer 7.
The wetland plant 6 is reed, iris, canna or calamus.
The upper packing layer 7 is a gravel packing with the particle size of 8-15 mm, and the middle packing layer 8 is a gravel packing with the particle size of 20-40 mm; the lower packing layer 9 is a gravel packing with the particle size of 50-80 mm; the thicknesses of the upper filler layer 7, the middle filler layer 8 and the lower filler layer 9 are all 300-400 mm.
The bidirectional water inlet and outlet pipe 10 is a PE or UPVC pipe, the bidirectional water inlet and outlet pipe 10 comprises a water inlet and outlet pipe and a water distribution pipe communicated with a water inlet and outlet end, the pipe diameters of the water inlet and outlet pipe and the water distribution pipe are both 80-150 mm, a water inlet and outlet hole is formed in the pipe wall of the water distribution pipe, the aperture of the water inlet and outlet hole is 10-20 mm, the distance between every two adjacent water inlet and outlet holes is 150-200 mm, and the water distribution pipe is arranged on the upper packing layer 7 in a shape.
The lifting frame 4 comprises an upper platform 11 and a lower lifting support 12, the upper platform 11 is arranged at the top of the lower lifting support 12, and the wetland pool 3 is arranged on the upper platform 11.
The upper platform 11 is a reinforced concrete slab or a stainless steel slab.
The communicating hose 2 is a rubber hose or a PVC hose, the pipe diameter of the communicating hose 2 is 150 mm-200 mm, and one or more communicating hoses 2 communicating the bottoms of the wetland pools 3 of the adjacent lifting wetland units 1 are provided.
When the wetland treatment device is used, the elevation of the tops of the wetland pools 3 of the two adjacent lifting wetland units 1 is different, the bottoms of the wetland pools 3 are connected through the communicating hoses 2, the wetland pool 3 with higher elevation of the top is used as a descending pool, and the wetland pool 3 with lower elevation of the top is used as an ascending pool. The sewage is treated by the descending tank from the top, then enters the ascending tank through the bottom communicating hose 2 for treatment, and is discharged from the top of the ascending tank. Because the elevation of the tops of the wetland pools 3 of the two adjacent lifting wetland units 1 can be adjusted, when the water head is insufficient due to the increase of the blocking resistance of the internal fillers (the lower filler layer 9, the middle filler layer 8 and the upper filler layer 7) of the wetland pools 3, the water head can be lifted by increasing the elevation difference between the two adjacent wetland pools 3, and the influence of blocking on wetland effluent is reduced.
When the descending pool is seriously blocked, the elevation of the original descending pool can be reduced by alternately lifting, and the descending pool is used as an ascending pool; the elevation of the original ascending pool is raised, and the ascending pool is used as a descending pool. Meanwhile, the water inlet function and the water outlet function of the bidirectional water inlet and outlet pipe 10 are alternated. Because the water inlet of the upper pond is treated by the lower pond, the content of suspended matters is very low, the backwashing function is realized, and the backwashing can be carried out on the filler blocking area.
Example 2
As shown in fig. 1 to 2, there are two lifting wetland units 1;
the communication hose 2 is a rubber hose, the pipe diameter of the communication hose 2 is 150mm, and 1 communication hose 2 is arranged to be connected with the wetland pools 3 of the two lifting wetland units 1;
the lateral wall of wetland pond 3 is the compound polyethylene board that 10mm is thick, and compound polyethylene board specification is: length × width × height ═ 1.5m × 1.5m × 1.1 m;
the wetland plant 6 is canna indica, and the planting density is 8 plants per square meter;
the upper packing layer 7 is a gravel packing with the particle size of 8-12 mm, and the thickness is 300 mm;
the filler layer 8 is a crushed stone filler with the particle size of 20-30 mm, and the thickness is 300 mm;
the lower packing layer 9 is a gravel packing with the particle size of 50-65 mm and the thickness of 300 mm;
the pipe diameter of the bidirectional water inlet and outlet pipe 10 is 80mm, the aperture of the water inlet and outlet holes is 10mm, and the distance between the adjacent water inlet and outlet holes is 150 mm;
upper portion platform 11 is reinforced concrete board, and the specification is: length × width × thickness is 1.8 × 0.2 m;
the lower lifting support 12 is a manual lifting support, the height adjusting range is 0-1 m, and the suspension fixing device can suspend and fix at any height within the adjusting range;
the others correspond to example 1.
The embodiment is arranged beside a natural lake with serious eutrophication, the inlet water is the outlet water of the lake water body after being precipitated for 12 hours in a sedimentation tank, and the treated water amount is 2m3And d. After the operation for 6 months, the effluent quality is stable, the vegetation grows well, but the wetland filler layers (the lower filler layer 9, the middle filler layer 8 and the upper filler layer)7) Gradually, the blockage phenomenon occurs, the wetland stably runs for 6 months after the elevation difference between the wetland pools 3 of the two lifting wetland units 1 is gradually increased, and then the wetland is unsmooth in water outlet. Then the height of the lifting frame 4 is adjusted, the functions of the ascending pool and the descending pool of the two wetland pools 3 are exchanged and operated, and the wetland blockage phenomenon is obviously improved.
Table 1 example 1 results of monitoring of operating water quality
Example 3
As shown in fig. 1 to 2, there are two lifting wetland units 1;
the communication hose 2 is a rubber hose, the pipe diameter of the communication hose 2 is 200mm, and 2 communication hoses 2 are arranged to be connected with the wetland pools 3 of the two lifting wetland units 1;
the lateral wall of wetland pond 3 is 5mm thick corrosion resistant plate, and the corrosion resistant plate specification is: length × width × height ═ 1.8 × 1.5 m;
the wetland plants 6 are reeds, and the planting density is 12 plants per square meter;
the upper packing layer 7 is a crushed stone packing with the particle size of 12-15 mm and the thickness of 400 mm;
the filler layer 8 is a crushed stone filler with the particle size of 30-40 mm, and the thickness is 400 mm;
the lower packing layer 9 is a gravel packing with the particle size of 65-80 mm, and the thickness is 400 mm;
the pipe diameter of the bidirectional water inlet and outlet pipe 10 is 150mm, the aperture of the water inlet and outlet holes is 20mm, and the distance between the adjacent water inlet and outlet holes is 200 mm;
the upper platform 11 is a stainless steel plate and has the specification: length × width × thickness is 2.0 × 2.0m × 0.1 m;
the lower lifting support 12 is an automatic lifting support, the height adjusting range is 0-1.5 m, and the suspension fixing at any height in the adjusting range can be realized;
the others correspond to example 1.
The embodiment is arranged beside a natural lake with serious eutrophication, the inlet water is the outlet water of the lake water body after being precipitated for 12 hours in a sedimentation tank, and the treatment is carried outThe water amount is 3m3And d. After the operation for 7 months, the effluent quality is stable, the vegetation grows well, but the wetland packing layers (the lower packing layer 9, the middle packing layer 8 and the upper packing layer 7) gradually have a blocking phenomenon, and the wetland stably operates for 5 months again after the elevation difference between the two lifting wetland units is gradually increased, and then the effluent of the wetland is not smooth. Then the height of the lifting frame 4 is adjusted, the functions of the ascending pool and the descending pool of the two wetland pools 3 are exchanged and operated, and the wetland blockage phenomenon is obviously improved.
Table 2 example 2 results of monitoring of operating water quality
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a compound vertical current constructed wetland is prevented blockking up by two-way self-cleaning, includes wetland pond (3), its characterized in that, wetland pond (3) set up on crane (4), and wetland pond (3) and crane (4) constitute lift wetland unit (1), and lift wetland unit (1) is a plurality of, and the bottom in the wetland pond (3) of adjacent lift wetland unit (1) is through intercommunication hose (2) intercommunication.
2. The bidirectional self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 1, characterized in that a lower packing layer (9), a middle packing layer (8) and an upper packing layer (7) are sequentially arranged in the wetland pool (3) from bottom to top, wetland plants (6) are planted on the upper packing layer (7), and a bidirectional water inlet and outlet pipe (10) is further arranged on the upper packing layer (7).
3. The bidirectional self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 1, characterized in that the side wall of the wetland pool (3) is made of stainless steel plates or composite polyethylene plates, and the top of the side wall of the wetland pool (3) is 200 ~ 300mm higher than the top of the upper packing layer (7).
4. The bi-directional self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 2, characterized in that the wetland plants (6) are reeds, irises, canna, or calamus.
5. The bidirectional self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 2, characterized in that the upper filler layer (7) is a gravel filler with a particle size of 8-15 mm, and the filler layer (8) is a gravel filler with a particle size of 20-40 mm; the lower packing layer (9) is a gravel packing with the particle size of 50-80 mm; the thicknesses of the upper filler layer (7), the middle filler layer (8) and the lower filler layer (9) are all 300-400 mm.
6. The bidirectional self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 2, characterized in that the bidirectional water inlet and outlet pipe (10) is a PE or UPVC pipe, the bidirectional water inlet and outlet pipe (10) comprises a water inlet and outlet pipe and a water distribution pipe communicated with the water inlet and outlet end, the pipe diameters of the water inlet and outlet pipe and the water distribution pipe are both 80-150 mm, water inlet and outlet holes are formed in the pipe wall of the water distribution pipe, the aperture of the water inlet and outlet holes is 10-20 mm, the distance between adjacent water inlet and outlet holes is 150-200 mm, and the water distribution pipe is arranged on the upper packing layer (7) in a shape of a Chinese character' wan.
7. The two-way self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 1, characterized in that the crane (4) comprises an upper platform (11) and a lower lifting support (12), the upper platform (11) is arranged on the top of the lower lifting support (12), and the wetland pool (3) is arranged on the upper platform (11).
8. The bi-directional self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 7, characterized in that the upper platform (11) is a reinforced concrete slab or a stainless steel slab.
9. The two-way self-cleaning anti-clogging composite vertical flow constructed wetland according to claim 1, characterized in that the communication hose (2) is a rubber hose or a PVC hose, the pipe diameter of the communication hose (2) is 150 mm-200 mm, and one or more communication hoses (2) are provided for communicating the bottoms of the wetland pools (3) of the adjacent lifting wetland units (1).
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| CN201920419882.3U CN209835763U (en) | 2019-03-29 | 2019-03-29 | Bidirectional self-cleaning anti-blocking composite vertical flow constructed wetland |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851055A (en) * | 2019-03-29 | 2019-06-07 | 武汉中科水生环境工程股份有限公司 | A kind of two-way self-cleaning anti-clogging composite vertical current artificial wetland |
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- 2019-03-29 CN CN201920419882.3U patent/CN209835763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851055A (en) * | 2019-03-29 | 2019-06-07 | 武汉中科水生环境工程股份有限公司 | A kind of two-way self-cleaning anti-clogging composite vertical current artificial wetland |
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Address after: Room 09, 22nd Floor, Building A, Wuhan Optics Valley International Chamber of Commerce, No. 2-2 Guandongyuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430071 Patentee after: Wuhan Zhongke Aquatic Ecological Environment Co.,Ltd. Address before: 25th Floor, Huayin Building, No. 786 Minzhu Road, Wuhan City, Hubei Province, 430071 Patentee before: WUHAN ZHONGKE HYDRBIOLOGY ENVIRONMENT ENGINEERING CO.,LTD. |