CN209890450U - Subsurface flow constructed wetland - Google Patents
Subsurface flow constructed wetland Download PDFInfo
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- CN209890450U CN209890450U CN201920381209.5U CN201920381209U CN209890450U CN 209890450 U CN209890450 U CN 209890450U CN 201920381209 U CN201920381209 U CN 201920381209U CN 209890450 U CN209890450 U CN 209890450U
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Abstract
The utility model relates to an undercurrent constructed wetland, it includes the sewage pipe, the cloth water basin that links to each other with the sewage pipe and locates the undercurrent bed district that the sewage pipe one side was kept away from in the cloth water district, the cloth water basin is provided with and carries out filterable filtering mechanism to the granule in the sewage, evenly be provided with a plurality of division boards along the direction that sewage was laid in the cloth water basin to adjacent division board is crisscross setting from top to bottom, forms the sedimentation tank between the adjacent division board that is located the downside or is located the division board of downside and the lateral wall in cloth water basin, all is equipped with the filter between two adjacent division boards, the cloth water basin is connected with the outlet pipe, the other end of outlet pipe stretches into in the undercurrent bed district, the undercurrent bed district includes the precoat and locates the packing layer of precoat. The utility model discloses have and filter the effect in order to guarantee scrubbing efficiency to the fixed casing in the sewage.
Description
Technical Field
The utility model belongs to the technical field of the technique of wetland and specifically relates to an undercurrent constructed wetland is related to.
Background
Subsurface flow wetlands are the type of artificial wetlands that are more commonly used. The subsurface flow wetland is an artificial landscape which takes hydrophilic plants as surface greening materials and sandstone soil as fillers and leads water to permeate and filter naturally. The water-saving device is deeply favored by people by the characteristics of no surface water, small occupied area, high utilization rate and convenient maintenance.
In the prior art, a referred chinese patent with an authority bulletin No. CN206521324U discloses an undercurrent artificial wetland, which includes an outer shell, a plurality of inner shells arranged at intervals in the outer shell, and a water level adjusting assembly arranged between the outer shell and the inner shells, wherein a porous supporting plate is arranged at the bottom of the inner shell, geotechnical cloth, a pebble layer, a backfilling sand layer, a porous ceramsite layer and a gravel layer are sequentially arranged on the upper portion of the porous supporting plate, a plurality of water distribution pipes are arranged in the gravel layer, a water collecting cavity is arranged at the bottom of the porous supporting plate and the bottom of the inner shell, water discharging holes are arranged around the water collecting cavity, the water level adjusting assembly includes a water level plate and an adjusting plate, a beam is arranged at the upper portion of the outer shell, and two sets of hoisting.
The above prior art solutions have the following drawbacks: guarantee that water distribution and play water can reach even unanimous effect through setting up water level adjusting part among the prior art, but when handling sewage, can contain more impurity in the sewage usually, if directly carry the undercurrent bed to go, can cause the undercurrent bed district to take place to block up, and then cause the plant can't in time absorb the composition in the sewage, the treatment effeciency of sewage is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed casing in the sewage filters in order to guarantee the undercurrent constructed wetland of scrubbing efficiency.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an undercurrent artificial wetland comprises a sewage pipe, a water distribution pool and an undercurrent bed area, wherein the water distribution pool is connected with the sewage pipe, the undercurrent bed area is arranged on one side, far away from the sewage pipe, of the water distribution area, the water distribution pool is provided with a filtering mechanism for filtering particles in sewage, a plurality of partition plates are uniformly arranged in the water distribution pool along the sewage arrangement direction, adjacent partition plates are arranged in a vertically staggered mode, a sedimentation pool is formed between the adjacent partition plates positioned on the lower side or between the partition plates positioned on the lower side and the side wall of the water distribution pool, a filter plate is arranged between every two adjacent partition plates, two sides of the filter plate are respectively detachably connected with the adjacent partition plates, one side, close to the undercurrent bed, of the water distribution pool is connected with a water outlet pipe communicated with the inside of the water distribution pool, the other end of the water outlet pipe extends into the underc, and a denitrification filter material is arranged in the filter material layer.
By adopting the technical scheme, when the subsurface flow wetland is used for treating sewage, the sewage firstly enters the water distribution tank from the sewage pipe, then flows to the subsurface flow bed area through sequentially flowing above the lower side partition plate and below the upper side partition plate, meanwhile, the sewage in the sedimentation tank can be sedimentated under the action of gravity, solid particles can be accumulated at the bottom of the sedimentation tank, and simultaneously the sewage can be filtered when passing through the adjacent filter plates, so that when the sewage flows to the other side of the water distribution tank, the water flows out through the water outlet pipe and flows into the subsurface flow area, the sewage is treated by plants on the upper filter material layer, the treated sewage flows out through the filler layer, and as the solid particles in the sewage are removed before entering the subsurface flow area, the sewage cannot be blocked in the subsurface flow area, and the sewage removal efficiency is higher, and a denitrification filter material is added into the soil to solve the problem that the nitrogen content in the sewage exceeds the standard, so that the normal growth of plants is ensured.
The utility model discloses further set up to: and the side wall of each settling pond is connected with a slurry pump, and one side of the slurry pump, which is far away from the settling pond, is connected with a sewage discharge pipe.
By adopting the technical scheme, when a certain amount of solid particles are accumulated in the sedimentation tank, mud can be formed at the bottom of the sedimentation tank, and when a certain amount of mud is accumulated in the sedimentation tank, the mud at the bottom of the sedimentation tank can be pumped out by the mud pump so as to further process the mud.
The utility model discloses further set up to: one end of each of the plurality of sewage discharge pipes, which is far away from the mud pump, is provided with a sewage discharge pipe, and each sewage discharge pipe is connected with the sewage discharge pipe.
Through adopting above-mentioned technical scheme, concentrate the discharge in sending into the sewage pipe through the mud with in a plurality of blow off pipes, it is more convenient to handle.
The utility model discloses further set up to: the efficient sewage treatment device is characterized by further comprising a sewage draining area, wherein cattail, iris or lotus can be planted on the upper portion of the sewage draining area, and one end, far away from the sewage discharge pipe, of the sewage discharge pipe extends into the sewage discharging area.
Through adopting above-mentioned technical scheme, send into the bottom in sewage area with mud through the slush pump, then the plant in the rethread sewage area handles mud, and is simple and convenient.
The utility model discloses further set up to: and a sealing cover is fixedly arranged at the top of the water distribution tank.
Through adopting above-mentioned technical scheme, seal the upper portion in water distribution pond through setting up sealed lid, prevent that the smell in the water distribution pond from flowing.
The utility model discloses further set up to: the bottom of the water distribution tank is obliquely arranged towards one side close to the mud pump.
Through adopting above-mentioned technical scheme, through setting up the slope of water distribution pond in order to make things convenient for mud to the one side of slush pump, the slush pump can be taken mud out more fast like this.
The utility model discloses further set up to: the position department that the division board corresponds both sides about the filter all is equipped with the connecting plate, the both sides of filter are all inserted and are established between being a pair of connecting plate that sets up from top to bottom, be connected with the bolt that carries out the fixing to both between connecting plate and the filter.
Through adopting above-mentioned technical scheme, through inserting the filter between two connecting plates to through twisting the bolt in order to accomplish the fixed to the filter, the filter can not take place to rock under the spacing of two connecting plates, and the installation is stable.
The utility model discloses further set up to: all be equipped with the rubber pad between connecting plate and the filter, one side that the filter is close to cloth pond lateral wall is equipped with the buckler, vibrating motor has set firmly in the buckler.
Through adopting above-mentioned technical scheme, after the filter uses between one section, vibrating motor work can shake down the fixed granule of filter bottom adhesion to prevent that fixed granule from blockking up the filter and leading to sewage treatment's efficiency to descend.
To sum up, the utility model discloses a beneficial technological effect does:
1. the utility model arranges the partition plates which are distributed at intervals up and down in the water distribution tank, and the filter plate is connected between the adjacent partition plates to filter the sewage, so that the impurities in the sewage can not block the passage which flows through the sewage when the sewage enters the undercurrent bed region, thereby ensuring the efficiency of sewage treatment;
2. the utility model arranges a slurry pump at one side of the sedimentation tank to pump out and process the slurry in the sedimentation tank, so as to prevent the excessive accumulation of the sludge in the slurry tank;
3. the utility model discloses an all connect out the efficiency of dirty pipe in order to guarantee mud output with a plurality of blow off pipes.
Drawings
Fig. 1 is a schematic cross-sectional view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic structural view of the sealing cover removing structure of the water distribution tank of the present invention.
Fig. 4 is a schematic view of the left side of the cloth water tank of the present invention.
Fig. 5 is a schematic view of the present invention showing a partial cross section of the water distribution pool.
In the figure, 1, a sewage pipe; 11. a sewage pump; 2. a water distribution pool; 21. a sealing cover; 22. a partition plate; 221. a connecting plate; 222. a bolt; 223. a rubber pad; 23. a sedimentation tank; 24. a filter plate; 241. a waterproof cover; 242. a vibration motor; 25. a water outlet pipe; 26. a slurry pump; 261. a blow-off pipe; 262. a sewage outlet pipe; 3. a submerged bed zone; 31. a filter material layer; 32. a filler layer; 321. a drainage layer; 322. a filter layer; 33. a water outlet pool; 4. a sewage discharge area; 5. clove; 6. fructus forsythiae; 7. stenoloma chusanum (L.) Ching.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 3, for the utility model discloses an undercurrent constructed wetland, including sewer pipe 1, cloth water basin 2, undercurrent bed district 3 and blowdown water district 4, cloth water basin 2 is rectangle and level and places, and sewer pipe 1 is total a plurality of and stretches out from the sewage treatment station, and in the other end stretched into cloth water basin 2, all was equipped with sewage pump 11 on every sewer pipe 1, the sealed lid 21 of the top seal fixedly connected with rectangle of cloth water basin 2. A plurality of partition plates 22 are arranged in the water distribution tank 2, the number of the partition plates 22 is four, the number of the partition plates 22 is two, the two partition plates are fixedly connected with the bottom of the water distribution tank 2, the two partition plates are fixedly connected with the side wall of the water distribution tank 2 and are tightly attached to a sealing cover 21 at the top of the water distribution tank 2, each partition plate 22 is vertically arranged, and two sides of each partition plate are fixedly connected with the inner side wall of the water distribution tank 2. In this way, sedimentation tanks 23 are formed between the side wall of the cloth water tank 2 and the partition plates 22 at the lower part and between two adjacent partition plates 22 at the lower part, so that three sedimentation tanks 23 are formed from the sewage pipe 1 to the undercurrent bed area 3, clove 5 and forsythia 6 are planted above the undercurrent bed area 3, and plants with sewage purification capability, such as cymbopogon flexuosus, cattail, serratia cauliflora, reshizus flowers, arundo donax, sargassum flavoperennis, elm, berberis purpurea or winter jasmine can also be planted, and are not limited to these plants. These plants absorb the dirt in the sewage to achieve the effect of purifying the sewage.
As shown in fig. 1 and 2, the upper surface of the partition plate 22 at the lower part is higher than the lower surface of the partition plate 22 at the upper part, a certain gap is formed between the adjacent partition plates 22, a filter plate 24 is horizontally arranged between the two adjacent partition plates 22, horizontally arranged connecting plates 221 are fixedly arranged on the side walls of the partition plates 22 corresponding to the upper and lower sides of the filter plate 24, thus, both sides of each filter plate 24 are provided with a pair of connecting plates 221 which are arranged up and down, both sides of the filter plate 24 are inserted into the pair of connecting plates 221, and a plurality of vertically arranged bolts 222 are in threaded connection with each pair of connecting plates 221 and the filter plate 24, and each connecting plate 221 is equipped with rubber pad 223 in the one side that is close to filter 24 firmly, and rubber pad 223 is the rectangle and the cross section the same with connecting plate 221, and rubber pad 223 hugs closely with the lateral wall of filter 24, and bolt 222 passes rubber pad 223 and with rubber pad 223 threaded connection when fixing filter 24. The undercurrent bed area 3 is arranged on one side of the water distribution pool 2 far away from the sewage pipe 1.
As shown in fig. 4 and 5, a water outlet pipe 25 is connected to one side of the water distribution pool 2 close to the undercurrent bed area 3, and the water outlet pipe 25 extends into the undercurrent bed area 3. A rectangular waterproof cover 241 is arranged below one side of the filter plate 24 close to the side wall of the water distribution tank 2, and a vibration motor 242 is fixedly arranged in the waterproof cover 241.
As shown in fig. 1 and 3, when the subsurface flow wetland is used for treating sewage, the sewage firstly enters the water distribution tank 2 from the sewage pipe 1, then flows to the subsurface flow bed region 3 through the upper part of the lower side partition plate 22 and the lower part of the upper side partition plate 22 in sequence, meanwhile, the sewage in the sedimentation tank 23 is sedimented under the action of gravity, solid particles are accumulated at the bottom of the sedimentation tank 23, meanwhile, the sewage is filtered when passing between the adjacent filter plates 24, therefore, when the sewage flows to the other side of the water distribution tank 2, the water flows out through the water outlet pipe 25 and flows into the subsurface flow region, the sewage is treated by the plants on the upper filter material layer 31, the treated sewage flows out through the filler layer 32, and because the solid particles in the sewage are removed before entering the subsurface flow region, the sewage cannot be blocked in the subsurface flow region, the decontamination efficiency is higher.
The upper part of the water distribution tank 2 is sealed by arranging the sealing cover 21, so that the odor in the water distribution tank 2 is prevented from flowing out. Through inserting filter 24 between two connecting plates 221 to through screwing in bolt 222 in order to accomplish the fixed to filter 24, filter 24 can not take place to rock under two connecting plates 221's spacing, and the installation is stable. After the filter plate 24 is used for a period, the vibration motor 242 is operated to vibrate the fixed particles adhered to the bottom of the filter plate 24, thereby preventing the fixed particles from clogging the filter plate 24 and causing a decrease in the efficiency of sewage treatment.
The position department that the diversion basin corresponds every sedimentation basin 23 outside all is equipped with slush pump 26, slush pump 26 communicates each other with adjacent sedimentation basin 23, the bottom of water distribution pond 2 sets up towards the one side that is close to slush pump 26, one side that the diversion basin was kept away from to slush pump 26 is connected with blow off pipe 261, blow off pipe 261 is total three and parallel to each other like this, and one side that three blow off pipe 261 kept away from slush pump 26 is equipped with the dirty pipe 262 that goes out that the level set up, go out dirty pipe 262 and blow off pipe 261 with high setting and communicate each other with three blow off pipe 261 respectively.
The sewage discharge area 4 is located at one side of the undercurrent bed area 3, water is provided inside the sewage discharge area 4, and the upper part of the sewage discharge area 4 can be planted with the serrate bracken 7, and also can be planted with plants having sewage purification ability such as typha orientalis, iris and lotus, and is not limited to these plants. These plants purify the water, and the end of the sewage outlet pipe 262 far from the sewage discharge pipe 261 extends into the sewage discharge area 4.
When a certain amount of solid particles are accumulated in the sedimentation tank 23, slurry is formed at the bottom of the sedimentation tank 23, and when a certain amount of slurry is accumulated in the sedimentation tank 23, the slurry at the bottom of the sedimentation tank 23 can be pumped out by a slurry pump 26 to be further processed. The sludge in the plurality of sewage pipes 261 is sent into the sewage outlet pipe 262 to be discharged in a centralized manner, so that the treatment is more convenient. The sludge is sent to the bottom of the sewage discharge area 4 through the sludge pump 26, and then is treated through the plants in the sewage discharge area 4, so that the method is simple and convenient. By arranging the distribution basin 2 obliquely to facilitate the sludge toward the side of the mud pump 26, the mud pump 26 can more rapidly pump out the sludge.
The undercurrent bed area 3 comprises a filter material layer 31 and a filler layer 32, a denitrification filter material is arranged in the filter material layer 31, the filler layer 32 is arranged below the filter material layer 31, the filler layer 32 comprises a filter layer 322 arranged below the filter material layer 31 and a water drainage layer 321 arranged below the filter layer 322, the filter layer 322 is composed of filler with small particle size and used for placing soil infiltration at the top of the undercurrent bed area 3, the water drainage layer 321 is composed of filler with large particle size, and the material of the water drainage layer can be zeolite, broken stone or cobblestone. And a water outlet tank 33 is arranged on one side of the undercurrent bed area 3, which is far away from the water distribution tank 2, and is used for discharging filtered water, and a denitrification filter material is added into soil to solve the problem that the nitrogen content in the sewage exceeds the standard and ensure the normal growth of plants.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an undercurrent constructed wetland, includes sewage pipe (1), cloth pond (2) that link to each other with sewage pipe (1) and locate the cloth water district and keep away from undercurrent bed district (3) of sewage pipe (1) one side, its characterized in that: the sewage treatment device is characterized in that the water distribution tank (2) is provided with a filtering mechanism for filtering particles in sewage, a plurality of partition plates (22) are uniformly arranged in the water distribution tank (2) along the sewage arrangement direction, the adjacent partition plates (22) are arranged in a vertically staggered manner, a sedimentation tank (23) is formed between the adjacent partition plate (22) positioned on the lower side or the partition plate (22) positioned on the lower side and the side wall of the water distribution tank (2), a filter plate (24) is arranged between the two adjacent partition plates (22), two sides of the filter plate (24) are respectively detachably connected with the adjacent partition plates (22), one side of the water distribution tank (2) close to the undercurrent bed is connected with a water outlet pipe (25) communicated with the inside of the water distribution tank (2), the other end of the water outlet pipe (25) extends into the undercurrent bed area (3), the undercurrent bed area (3) comprises a filter material layer (31) on the upper part and a filler layer (32), a denitrification filter material is arranged in the filter material layer (31).
2. The subsurface flow constructed wetland according to claim 1, characterized in that: the side wall of each settling pond (23) is connected with a mud pump (26), and one side, far away from the settling pond (23), of the mud pump (26) is connected with a drainage pipe (261).
3. The subsurface flow constructed wetland according to claim 2, characterized in that: and one ends of the plurality of sewage discharge pipes (261) far away from the mud pump (26) are provided with sewage discharge pipes (262), and each sewage discharge pipe (261) is connected with the sewage discharge pipe (262).
4. The subsurface flow constructed wetland according to claim 3, characterized in that: the novel sewage treatment device is characterized by further comprising a sewage draining area (4), wherein cattail, iris or lotus can be planted on the upper portion of the sewage draining area (4), and one end, far away from the sewage discharge pipe (261), of the sewage outlet pipe (262) extends into the sewage draining area (4).
5. The subsurface flow constructed wetland according to claim 1, characterized in that: the top of the water distribution tank (2) is fixedly provided with a sealing cover (21).
6. The subsurface flow constructed wetland according to claim 2, characterized in that: the bottom of the water distribution tank (2) is obliquely arranged towards one side close to the mud pump (26).
7. The subsurface flow constructed wetland according to claim 1, characterized in that: the partition plate (22) is provided with connecting plates (221) at positions corresponding to the upper side and the lower side of the filter plate (24), the two sides of the filter plate (24) are inserted between a pair of connecting plates (221) which are arranged up and down, and bolts (222) for fixing the connecting plates (221) and the filter plate (24) are connected between the connecting plates (221) and the filter plate (24).
8. The subsurface flow constructed wetland according to claim 7, characterized in that: all be equipped with rubber pad (223) between connecting plate (221) and filter (24), one side that filter (24) are close to cloth water pond (2) lateral wall is equipped with buckler (241), buckler (241) internal fixation has vibrating motor (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381209.5U CN209890450U (en) | 2019-03-26 | 2019-03-26 | Subsurface flow constructed wetland |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920381209.5U CN209890450U (en) | 2019-03-26 | 2019-03-26 | Subsurface flow constructed wetland |
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| CN209890450U true CN209890450U (en) | 2020-01-03 |
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| CN201920381209.5U Active CN209890450U (en) | 2019-03-26 | 2019-03-26 | Subsurface flow constructed wetland |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047482A (en) * | 2020-08-24 | 2020-12-08 | 同济大学建筑设计研究院(集团)有限公司 | Vertical subsurface flow wetland and water distribution method |
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2019
- 2019-03-26 CN CN201920381209.5U patent/CN209890450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047482A (en) * | 2020-08-24 | 2020-12-08 | 同济大学建筑设计研究院(集团)有限公司 | Vertical subsurface flow wetland and water distribution method |
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